From 7d83e5c7816b5e343695a75ba58b32dbe1be969a Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Mon, 1 Oct 2007 20:16:28 +0000 Subject: move all sources down to a seperate src/ tree git-svn-id: file:///home/lennart/svn/public/libsydney/trunk@34 9ba3c220-e4d3-45a2-8aa3-73fcc9aff6ce --- Makefile | 47 - TODO | 29 - add.c | 51 - add.h | 13 - asyncq.c | 102 -- asyncq.h | 49 - bbuffer.c | 77 -- bbuffer.h | 19 - bufferq.c | 270 ----- bufferq.h | 42 - byteswap.c | 57 - byteswap.h | 12 - common.c | 1266 ---------------------- common.h | 67 -- continued-fraction.c | 69 -- continued-fraction.h | 6 - converter.c | 743 ------------- converter.h | 82 -- driver.h | 34 - format.c | 438 -------- format.h | 13 - g711.c | 2531 ------------------------------------------- g711.h | 40 - interleave.c | 64 -- interleave.h | 12 - llist.h | 70 -- macro.h | 104 -- malloc.c | 13 - malloc.h | 19 - meta-name-table.gperf | 11 - mutex.c | 97 -- mutex.h | 19 - once.c | 58 - once.h | 17 - oss.c | 858 --------------- resample.c | 42 - resample.h | 14 - speex/arch.h | 197 ---- speex/resample.c | 1114 ------------------- speex/speex_resampler.h | 328 ------ src/Makefile | 47 + src/TODO | 29 + src/add.c | 51 + src/add.h | 13 + src/asyncq.c | 102 ++ src/asyncq.h | 49 + src/bbuffer.c | 77 ++ src/bbuffer.h | 19 + src/bufferq.c | 270 +++++ src/bufferq.h | 42 + src/byteswap.c | 57 + src/byteswap.h | 12 + src/common.c | 1266 ++++++++++++++++++++++ src/common.h | 67 ++ src/continued-fraction.c | 69 ++ src/continued-fraction.h | 6 + src/converter.c | 743 +++++++++++++ src/converter.h | 82 ++ src/driver.h | 34 + src/format.c | 438 ++++++++ src/format.h | 13 + src/g711.c | 2531 +++++++++++++++++++++++++++++++++++++++++++ src/g711.h | 40 + src/interleave.c | 64 ++ src/interleave.h | 12 + src/llist.h | 70 ++ src/macro.h | 104 ++ src/malloc.c | 13 + src/malloc.h | 19 + src/meta-name-table.gperf | 11 + src/mutex.c | 97 ++ src/mutex.h | 19 + src/once.c | 58 + src/once.h | 17 + src/oss.c | 858 +++++++++++++++ src/resample.c | 42 + src/resample.h | 14 + src/speex/arch.h | 197 ++++ src/speex/resample.c | 1114 +++++++++++++++++++ src/speex/speex_resampler.h | 328 ++++++ src/sydney.h | 375 +++++++ src/test-asyncq.c | 62 ++ src/test-bufferq.c | 42 + src/test-llist.c | 34 + src/test-pull.c | 73 ++ src/test-sine.c | 51 + src/thread.c | 214 ++++ src/thread.h | 28 + src/volscale.c | 67 ++ src/volscale.h | 13 + src/zero.c | 53 + src/zero.h | 13 + sydney.h | 375 ------- test-asyncq.c | 62 -- test-bufferq.c | 42 - test-llist.c | 34 - test-pull.c | 73 -- test-sine.c | 51 - thread.c | 214 ---- thread.h | 28 - volscale.c | 67 -- volscale.h | 13 - zero.c | 53 - zero.h | 13 - 104 files changed, 10119 insertions(+), 10119 deletions(-) delete mode 100644 Makefile delete mode 100644 TODO delete mode 100644 add.c delete mode 100644 add.h delete mode 100644 asyncq.c delete mode 100644 asyncq.h delete mode 100644 bbuffer.c delete mode 100644 bbuffer.h delete mode 100644 bufferq.c delete mode 100644 bufferq.h delete mode 100644 byteswap.c delete mode 100644 byteswap.h delete mode 100644 common.c delete mode 100644 common.h delete mode 100644 continued-fraction.c delete mode 100644 continued-fraction.h delete mode 100644 converter.c delete mode 100644 converter.h delete mode 100644 driver.h delete mode 100644 format.c delete mode 100644 format.h delete mode 100644 g711.c delete mode 100644 g711.h delete mode 100644 interleave.c delete mode 100644 interleave.h delete mode 100644 llist.h delete mode 100644 macro.h delete mode 100644 malloc.c delete mode 100644 malloc.h delete mode 100644 meta-name-table.gperf delete mode 100644 mutex.c delete mode 100644 mutex.h delete mode 100644 once.c delete mode 100644 once.h delete mode 100644 oss.c delete mode 100644 resample.c delete mode 100644 resample.h delete mode 100644 speex/arch.h delete mode 100644 speex/resample.c delete mode 100644 speex/speex_resampler.h create mode 100644 src/Makefile create mode 100644 src/TODO create mode 100644 src/add.c create mode 100644 src/add.h create mode 100644 src/asyncq.c create mode 100644 src/asyncq.h create mode 100644 src/bbuffer.c create mode 100644 src/bbuffer.h create mode 100644 src/bufferq.c create mode 100644 src/bufferq.h create mode 100644 src/byteswap.c create mode 100644 src/byteswap.h create mode 100644 src/common.c create mode 100644 src/common.h create mode 100644 src/continued-fraction.c create mode 100644 src/continued-fraction.h create mode 100644 src/converter.c create mode 100644 src/converter.h create mode 100644 src/driver.h create mode 100644 src/format.c create mode 100644 src/format.h create mode 100644 src/g711.c create mode 100644 src/g711.h create mode 100644 src/interleave.c create mode 100644 src/interleave.h create mode 100644 src/llist.h create mode 100644 src/macro.h create mode 100644 src/malloc.c create mode 100644 src/malloc.h create mode 100644 src/meta-name-table.gperf create mode 100644 src/mutex.c create mode 100644 src/mutex.h create mode 100644 src/once.c create mode 100644 src/once.h create mode 100644 src/oss.c create mode 100644 src/resample.c create mode 100644 src/resample.h create mode 100644 src/speex/arch.h create mode 100644 src/speex/resample.c create mode 100644 src/speex/speex_resampler.h create mode 100644 src/sydney.h create mode 100644 src/test-asyncq.c create mode 100644 src/test-bufferq.c create mode 100644 src/test-llist.c create mode 100644 src/test-pull.c create mode 100644 src/test-sine.c create mode 100644 src/thread.c create mode 100644 src/thread.h create mode 100644 src/volscale.c create mode 100644 src/volscale.h create mode 100644 src/zero.c create mode 100644 src/zero.h delete mode 100644 sydney.h delete mode 100644 test-asyncq.c delete mode 100644 test-bufferq.c delete mode 100644 test-llist.c delete mode 100644 test-pull.c delete mode 100644 test-sine.c delete mode 100644 thread.c delete mode 100644 thread.h delete mode 100644 volscale.c delete mode 100644 volscale.h delete mode 100644 zero.c delete mode 100644 zero.h diff --git a/Makefile b/Makefile deleted file mode 100644 index bd82b1f..0000000 --- a/Makefile +++ /dev/null @@ -1,47 +0,0 @@ -CFLAGS=-Wall -O0 -g -W -Wno-unused-parameter `pkg-config --cflags liboil-0.3` -DRANDOM_PREFIX=saspeex -DOUTSIDE_SPEEX -D_GNU_SOURCE -pthread -LIBS=-lm `pkg-config --libs liboil-0.3` - -SOURCES=common.c malloc.c oss.c bbuffer.c format.c volscale.c byteswap.c continued-fraction.c zero.c add.c speex/resample.c resample.c interleave.c converter.c g711.c mutex.c once.c thread.c bufferq.c # asyncq.c -OBJS=$(SOURCES:.c=.o) - -all: test-bufferq test-llist test-sine test-pull #test-asyncq - -test-bufferq: test-bufferq.o bufferq.o malloc.o #$(OBJS) - $(CC) $(CFLAGS) -o $@ $^ $(LIBS) - -test-llist: test-llist.o - $(CC) $(CFLAGS) -o $@ $^ $(LIBS) - -test-sine: $(OBJS) test-sine.o - $(CC) $(CFLAGS) -o $@ $^ $(LIBS) - -test-pull: $(OBJS) test-pull.o - $(CC) $(CFLAGS) -o $@ $^ $(LIBS) - -test-asyncq: $(OBJS) test-asyncq.o - $(CC) $(CFLAGS) -o $@ $^ $(LIBS) - -*.o: *.h - -indent: - indent -bdfa -brf -kr -nbbo -nbc -ip0 -ppi 4 -cs -nbfde -npsl -br -brs -bap -i4 -bs -cdw -ce -npcs -hnl -cli4 -nut -ci8 < oss.c -# astyle --indent=spaces=4 --brackets=attach --indent-switches --max-instatement-indent=40 --pad=oper --unpad=paren --convert-tabs --mode=c < oss.c - -clean: - rm -f *.o meta-name-table.h test-bufferq test-llist test-sine core test-pull speex/*.o - -common.o: meta-name-table.h - -meta-name-table.h: meta-name-table.gperf Makefile - gperf -t -N sa_lookup_meta_name -H sa_hash_meta_name -p -C < $< | sed -e 's/{""}/{"", 0}/g' > $@ - -fixme: - find -name '*.c' -exec fgrep -H -A 3 -B 3 -i FIXME \{\} \; - -update-speex: - wget -O speex/speex_resampler.h http://svn.xiph.org/trunk/speex/include/speex/speex_resampler.h - wget -O speex/resample.c http://svn.xiph.org/trunk/speex/libspeex/resample.c - wget -O speex/arch.h http://svn.xiph.org/trunk/speex/libspeex/arch.h - -warn-export: all - nm test-bufferq test-llist test-sine test-pull | grep " T " | awk '{print $$3}' | sort | uniq diff --git a/TODO b/TODO deleted file mode 100644 index f12bf79..0000000 --- a/TODO +++ /dev/null @@ -1,29 +0,0 @@ -* Replace all "input", "output" with "read", "write" -* Vielleicht client_name nicht erzwingen, stattdessen /proc/self/exename nehmen o.ä. -* "adjust" channel map -* volume bei codecs? -* non-interleaved "int channel" -> "data[]" -* 24bit = 3 byte? 4 byte? - - -* real playback model -* threaded model - -* alsa -* jack -* pulse -* windows - - - -* s/sa_/syd_/g - -* vbr - -* should we notify about local volume changes? - -* drop the ability to query the current write index? - -* drop pread - -* stop thread diff --git a/add.c b/add.c deleted file mode 100644 index b7714f4..0000000 --- a/add.c +++ /dev/null @@ -1,51 +0,0 @@ -#include - -#include "macro.h" -#include "add.h" - -static void add_u8(void *dst, size_t dstr, const void *src1, size_t sstr1, const void *src2, size_t sstr2, size_t bytes) { - uint8_t *d = dst; - const uint8_t *s1 = src1, *s2 = src2; - - for (; bytes > 0; bytes--, d += dstr, s1 += sstr1, s2 += sstr2) { - int16_t v = (int16_t) *s1 + (int16_t) *s2 - 0x80; - - v = CLAMP(v, 0, 0xFF); - *d = (uint8_t) v; - } -} - -static void add_s16(void *dst, size_t dstr, const void *src1, size_t sstr1, const void *src2, size_t sstr2, size_t bytes) { - oil_vectoradd_s_s16(dst, dstr, src1, sstr1, src2, sstr2, bytes/sizeof(int16_t)); -} - -static void add_s32(void *dst, size_t dstr, const void *src1, size_t sstr1, const void *src2, size_t sstr2, size_t bytes) { - int32_t *d = dst; - const int32_t *s1 = src1, *s2 = src2; - - for (; bytes > 0; bytes--, d += dstr/sizeof(int32_t), s1 += sstr1/sizeof(int32_t), s2 += sstr2/sizeof(int32_t)) { - int64_t v = (int64_t) *s1 + (uint64_t) *s2; - - v = CLAMP(v, -0x80000000, 0x7FFFFFFF); - *d = (int32_t) v; - } -} - -static void add_f32(void *dst, size_t dstr, const void *src1, size_t sstr1, const void *src2, size_t sstr2, size_t bytes) { - float a = 1, b = 1; - oil_vectoradd_f32(dst, dstr, src1, sstr1, src2, sstr2, bytes/sizeof(int32_t), &a, &b); -} - -sa_add_func_t sa_get_add_func(sa_pcm_format_t f) { - - static const sa_add_func_t funcs[_SA_PCM_FORMAT_MAX] = { - [SA_PCM_FORMAT_U8] = add_u8, - [SA_PCM_FORMAT_S16_NE] = add_s16, - [SA_PCM_FORMAT_S32_NE] = add_s32, - [SA_PCM_FORMAT_FLOAT32_NE] = add_f32 - }; - - sa_assert(f < _SA_PCM_FORMAT_MAX); - - return funcs[f]; -} diff --git a/add.h b/add.h deleted file mode 100644 index 6a31bc5..0000000 --- a/add.h +++ /dev/null @@ -1,13 +0,0 @@ -#ifndef foosydneyaddhfoo -#define foosydneyaddhfoo - -#include -#include - -#include "sydney.h" - -typedef void (*sa_add_func_t) (void *dst, size_t dstr, const void *src1, size_t sstr1, const void *src2, size_t sstr2, size_t bytes); - -sa_add_func_t sa_get_add_func(sa_pcm_format_t f); - -#endif diff --git a/asyncq.c b/asyncq.c deleted file mode 100644 index 54d7d5b..0000000 --- a/asyncq.c +++ /dev/null @@ -1,102 +0,0 @@ -#include "sydney.h" -#include "asyncq.h" -#include "malloc.h" - -int sa_asyncq_init(sa_asyncq_t *a, size_t item_size) { - sa_assert(a); - - SA_LLIST_HEAD_INIT(sa_asyncq_item_t, a->items); - SA_LLIST_HEAD_INIT(sa_asyncq_item_t, a->unused); - - a->last = NULL; - a->item_size = item_size; - - if (!(a->mutex = sa_mutex_new(0))) - return SA_ERROR_OOM; - - return SA_SUCCESS; -} - -sa_asyncq_item_t *sa_asyncq_get(sa_asyncq_t *a) { - sa_assert(a); - - sa_mutex_lock(a->mutex); - - if ((i = a->unused)) - SA_LLIST_REMOVE(sa_asyncq_item_t, items, a->unused, i); - - sa_mutex_unlock(a->mutex); - - if (!i) - if (!(i = sa_malloc(SA_ALIGN(sa_asyncq_item_t) + a->item_size))) - return NULL; - - return i; -} - -void sa_asyncq_recycle(sa_asyncq_t *a, sa_asyncq_item_t *i) { - sa_assert(a); - sa_assert(i); - - sa_mutex_lock(a->mutex); - SA_LLIST_PREPEND(sa_asyncq_item_t, items, a->unused, i); - sa_mutex_unlock(a->mutex); -} - -void sa_asyncq_push(sa_asyncq_t *a, sa_asyncq_item_t *i) { - sa_assert(a); - sa_assert(i); - - sa_mutex_lock(a->mutex); - - if (a->last) - SA_LLIST_INSERT_AFTER(sa_asyncq_item_t, items, a->items, a->last, i); - else - SA_LLIST_PREPEND(sa_asyncq_item_t, items, a->items, i); - - a->last = i; - - sa_mutex_unlock(a->mutex); - - return SA_SUCCESS; -} - -sa_asyncq_item_t sa_asyncq_pop(sa_asyncq_t *a, int wait) { - sa_asyncq_item_t *i; - - sa_assert(a); - - if (wait) - sa_mutex_lock(a->mutex); - else - if (!sa_mutex_try_lock(a->mutex)) - return NULL; - - if ((i = a->items)) { - if (i == a->last) - a->last = NULL; - - SA_LLIST_REMOVE(sa_asyncq_item_t, items, a->items, i); - } - - sa_mutex_unlock(a->mutex); - - return i; -} - -void sa_asyncq_done(sa_asyncq_t *a) { - sa_asyncq_item_t *i; - sa_assert(a); - - /* The caller *must* pop all items from the queue before - * destructing us! */ - sa_assert(!a->items); - - if (a->mutex) - sa_mutex_free(a->mutex); - - while ((i = a->unused)) { - SA_LLIST_REMOVE(sa_asyncq_item_t, items, a->unused, i); - sa_free(i); - } -} diff --git a/asyncq.h b/asyncq.h deleted file mode 100644 index 2e60c23..0000000 --- a/asyncq.h +++ /dev/null @@ -1,49 +0,0 @@ -#ifndef foosydneyhasynchfoo -#define foosydneyhasynchfoo - -#include "llist.h" -#include "mutex.h" - -typedef struct sa_asyncq sa_asyncq_t; -typedef struct sa_asyncq_item sa_asyncq_item_t; - -struct sa_asyncq_item { - SA_LLIST_ITEM(sa_asyncq_item_t, items); -}; - -#define SA_ASYNCQ_ITEM_DATA(x) ((void*) ((uint8_t*) (x) + ALIGN(sizeof(sa_asyncq_item_t)))) - -struct sa_asyncq { - sa_mutex_t *mutex; - - SA_LLIST_HEAD(sa_asyncq_item_t, items); - SA_LLIST_HEAD(sa_asyncq_item_t, unused); - - sa_asyncq_item_t *last; - - size_t item_size; -}; - -/* Implements a simple asynchronous queue for - * inter-thread-communication. To reading side can act in a wait-free - * fashion (though not lock-free). Should only be used together with a - * non-sychrnoized backing buffer such as sa_bufferq. */ - -int sa_asyncq_init(sa_asyncq_t *a, size_t item_size); - -void sa_asyncq_done(sa_asyncq_t *a); - -/* Allocate a free queue item */ -sa_asyncq_item_t *sa_asyncq_get(sa_asyncq_t *a); - -/* Give the queue item back to the queue */ -void sa_asyncq_recycle(sa_asyncq_t *a); - -/* Push a previously allocated entry into the queue */ -void sa_asyncq_push(sa_asyncq_t *a, sa_asyncq_item_t *i); - -/* Pop an entry from the queue */ -sa_asyncq_item_t* sa_asyncq_pop(sa_asyncq_t *a, int wait); - - -#endif diff --git a/bbuffer.c b/bbuffer.c deleted file mode 100644 index c8cbaa0..0000000 --- a/bbuffer.c +++ /dev/null @@ -1,77 +0,0 @@ -#include - -#include "bbuffer.h" -#include "sydney.h" -#include "malloc.h" -#include "macro.h" - -int sa_bbuffer_init(sa_bbuffer_t *b, unsigned nchannels, size_t sample_size) { - sa_assert(b); - sa_assert(nchannels > 0); - sa_assert(sample_size > 0); - - b->nchannels = nchannels; - b->sample_size = sample_size; - - if (!(b->data = sa_new0(void *, nchannels))) { - b->size = NULL; - return SA_ERROR_OOM; - } - - if (!(b->size = sa_new0(size_t, nchannels))) { - sa_free(b->data); - b->data = NULL; - return SA_ERROR_OOM; - } - - return SA_SUCCESS; -} - -void sa_bbuffer_done(sa_bbuffer_t *b) { - unsigned i; - sa_assert(b); - - if (b->data) { - for (i = 0; i < b->nchannels; i++) - sa_free(b->data[i]); - - sa_free(b->data); - } - - sa_free(b->size); - - b->data = NULL; - b->size = NULL; -} - -void* sa_bbuffer_get(sa_bbuffer_t *b, unsigned channel, size_t size, int interleave) { - sa_assert(b); - sa_assert(channel < b->nchannels); - sa_assert(size > 0); - - if (interleave) { - - if (!b->data[0] || size * b->nchannels > b->size[0]) { - sa_free(b->data[0]); - b->size[0] = size * b->nchannels; - - if (!(b->data[0] = sa_malloc(b->size[0]))) - return NULL; - } - - return (uint8_t*) b->data[0] + (b->sample_size * channel); - - } else { - - if (!b->data[channel] || size > b->size[channel]) { - - sa_free(b->data[channel]); - b->size[channel] = size; - - if (!(b->data[channel] = sa_malloc(size))) - return NULL; - } - - return b->data[channel]; - } -} diff --git a/bbuffer.h b/bbuffer.h deleted file mode 100644 index 6394a11..0000000 --- a/bbuffer.h +++ /dev/null @@ -1,19 +0,0 @@ -#ifndef foosydneybbufferhfoo -#define foosydneybbufferhfoo - -#include - -/* Simple bounce buffer management routines */ - -typedef struct sa_bbuffer { - void **data; - size_t *size; - unsigned nchannels; - size_t sample_size; -} sa_bbuffer_t; - -int sa_bbuffer_init(sa_bbuffer_t *b, unsigned nchannels, size_t sample_size); -void sa_bbuffer_done(sa_bbuffer_t *b); -void* sa_bbuffer_get(sa_bbuffer_t *b, unsigned channel, size_t size, int interleave); - -#endif diff --git a/bufferq.c b/bufferq.c deleted file mode 100644 index 1965dda..0000000 --- a/bufferq.c +++ /dev/null @@ -1,270 +0,0 @@ -#include - -#include "malloc.h" -#include "macro.h" -#include "bufferq.h" - -#define SA_BUFFERQ_ITEM_CONCAT_DATA(x) ((void*) (uint8_t*) (x) + SA_ALIGN(sizeof(sa_bufferq_item_t))) - -int sa_bufferq_init(sa_bufferq_t *q, unsigned nchannels, size_t sample_size) { - sa_assert(q); - sa_assert(sample_size > 0); - sa_assert(nchannels > 0); - - memset(q, 0, sizeof(*q)); - q->sample_size = sample_size; - q->nchannels = nchannels; - - if (!(q->items = sa_new0(sa_bufferq_item_t*, nchannels))) - return SA_ERROR_OOM; - - if (!(q->last = sa_new0(sa_bufferq_item_t*, nchannels))) { - sa_free(q->items); - q->items = NULL; - return SA_ERROR_OOM; - } - - return SA_SUCCESS; -} - -void sa_bufferq_done(sa_bufferq_t *q) { - unsigned u; - sa_assert(q); - - for (u = 0; u < q->nchannels; u++) { - sa_bufferq_item_t *i; - - while ((i = q->items[u])) { - SA_LLIST_REMOVE(sa_bufferq_item_t, bufferq, q->items[u], i); - sa_free(i); - } - } - - sa_free(q->items); - sa_free(q->last); -} - -static sa_bufferq_item_t* bufferq_item_new(const void *d, int64_t idx, size_t size, sa_bufferq_item_type_t type) { - sa_bufferq_item_t *i; - sa_assert(size > 0); - - if (type == SA_BUFFERQ_ITEM_STATIC) { - if (!(i = sa_new(sa_bufferq_item_t, 1))) - return NULL; - i->data = (void*) d; - } else if (type == SA_BUFFERQ_ITEM_CONCATENATED) { - if (!(i = sa_malloc(SA_ALIGN(sizeof(sa_bufferq_item_t)) + size))) - return NULL; - i->data = SA_BUFFERQ_ITEM_CONCAT_DATA(i); - memcpy(i->data, d, size); - } else { - sa_assert(type == SA_BUFFERQ_ITEM_DYNAMIC); - - if (!(i = sa_new(sa_bufferq_item_t, 1))) - return NULL; - - i->data = (void*) d; - } - - i->type = type; - i->idx = idx; - i->size = size; - SA_LLIST_ITEM_INIT(sa_bufferq_item_t, bufferq, i); - - return i; -} - -static sa_bufferq_item_t* bufferq_item_make_writable(sa_bufferq_item_t *i) { - void *d; - sa_assert(i); - - if (i->type == SA_BUFFERQ_ITEM_CONCATENATED || i->type == SA_BUFFERQ_ITEM_DYNAMIC) - return i; - - if (!(d = sa_memdup(i->data, i->size))) - return NULL; - - i->data = d; - i->type = SA_BUFFERQ_ITEM_DYNAMIC; - return i; -} - -static void bufferq_item_free(sa_bufferq_item_t *i) { - sa_assert(i); - - if (i->type == SA_BUFFERQ_ITEM_DYNAMIC) - sa_free(i->data); - sa_free(i); -} - -int sa_bufferq_push(sa_bufferq_t *q, unsigned channel, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence, sa_bufferq_item_type_t type) { - int64_t idx; - sa_bufferq_item_t *i, *j, *n; - - sa_assert(q); - - switch (whence) { - case SA_SEEK_RELATIVE: - idx = q->write_index + offset; - break; - case SA_SEEK_ABSOLUTE: - idx = offset; - break; - case SA_SEEK_RELATIVE_END: - idx = q->end_index + offset; - break; - case _SA_SEEK_MAX: - sa_assert_not_reached(); - } - - if (q->read_index > idx && type != SA_BUFFERQ_ITEM_DYNAMIC) { - int64_t l = q->read_index - idx; - - if (l > nbytes) - l = nbytes; - - idx += l; - data += l; - nbytes -= l; - - } - - /* Allocate the new entry */ - if (!(j = bufferq_item_new(data, idx, nbytes, type))) - return SA_ERROR_OOM; - - /* Find the position where we need to insert the new entry */ - for (i = q->items[channel]; i && idx >= i->idx + i->size; i = i->bufferq_next) - ; - - /* Shorten the current entry if necessary */ - if (i && idx > i->idx) { - i->size = idx - i->idx; - i = i->bufferq_next; - } - - /* Insert the entry */ - if (i) - SA_LLIST_INSERT_BEFORE(sa_bufferq_item_t, bufferq, q->items[channel], i, j); - else { - if (q->last[channel]) - SA_LLIST_INSERT_AFTER(sa_bufferq_item_t, bufferq, q->items[channel], q->last[channel], j); - else - SA_LLIST_PREPEND(sa_bufferq_item_t, bufferq, q->items[channel], j); - - q->last[channel] = j; - } - - /* Now kick all the entries that overlap entirely with our new entry */ - for (i = j->bufferq_next; i && i->idx + i->size < j->idx + j->size ; i = n) { - n = i->bufferq_next; - SA_LLIST_REMOVE(sa_bufferq_item_t, bufferq, q->items[channel], i); - bufferq_item_free(i); - } - - q->write_index = idx + nbytes; - - if (q->write_index > q->end_index) - q->end_index = q->write_index; - - return SA_SUCCESS; -} - -void sa_bufferq_get(sa_bufferq_t *q, void *i[], size_t *bytes) { - int first = 1; - unsigned u; - sa_assert(q); - - *bytes = 0; - - for (u = 0; u < q->nchannels; u++) { - - if (q->items[u]) { - - if (q->items[u]->idx > q->read_index) { - int64_t l; - i[u] = NULL; - - l = q->items[u]->idx - q->read_index; - - if (first) { - *bytes = l; - first = 0; - } else - *bytes = l < *bytes ? l : *bytes; - } else { - int64_t l; - - i[u] = (uint8_t*) q->items[u]->data + q->read_index - q->items[u]->idx; - - l = q->items[u]->size - (q->read_index - q->items[u]->idx); - - if (first) { - *bytes = l; - first = 0; - } else - *bytes = l < *bytes ? l : *bytes; - } - - } else - i[u] = NULL; - } -} - - -void sa_bufferq_drop(sa_bufferq_t *q, int64_t bytes) { - unsigned u; - - sa_assert(q); - - q->read_index += bytes; - - for (u = 0; u < q->nchannels; u++) { - sa_bufferq_item_t *i; - - i = q->items[u]; - - while (i && q->read_index >= i->idx + i->size) { - sa_bufferq_item_t *n = i->bufferq_next; - - SA_LLIST_REMOVE(sa_bufferq_item_t, bufferq, q->items[u], i); - - bufferq_item_free(i); - i = n; - } - - if (!i) - q->last[u] = NULL; - } -} - -int sa_bufferq_realloc(sa_bufferq_t *q) { - unsigned u; - int fail = 0; - sa_assert(q); - - for (u = 0; u < q->nchannels; u++) { - sa_bufferq_item_t *i; - - for (i = q->items[u]; i; i = i->bufferq_next) { - - if (i->type != SA_BUFFERQ_ITEM_STATIC) - continue; - - if (!bufferq_item_make_writable(i)) { - fail = 1; - - /* Hmm, we couldn't allocate memory, but we can't - * return without doing anything, hence let's at least - * drop the reference to the statically allocated - * data */ - - i->size = 0; - i->data = SA_BUFFERQ_ITEM_CONCAT_DATA(i); - i->type = SA_BUFFERQ_ITEM_CONCATENATED; - } - } - } - - return fail ? SA_ERROR_OOM : SA_SUCCESS; -} diff --git a/bufferq.h b/bufferq.h deleted file mode 100644 index 2d53a45..0000000 --- a/bufferq.h +++ /dev/null @@ -1,42 +0,0 @@ -#ifndef foosydneybufferqhfoo -#define foosydneybufferqhfoo - -#include - -#include "macro.h" -#include "llist.h" -#include "sydney.h" - -typedef enum sa_bufferq_item_type { - SA_BUFFERQ_ITEM_CONCATENATED, - SA_BUFFERQ_ITEM_DYNAMIC, - SA_BUFFERQ_ITEM_STATIC -} sa_bufferq_item_type_t; - -typedef struct sa_bufferq_item { - void *data; - int64_t idx; - size_t size; - sa_bufferq_item_type_t type; - SA_LLIST_ITEM(struct sa_bufferq_item, bufferq); -} sa_bufferq_item_t; - -typedef struct sa_bufferq { - SA_LLIST_HEAD(sa_bufferq_item_t, *items); - sa_bufferq_item_t **last; - int64_t read_index, write_index, end_index; - size_t sample_size; - unsigned nchannels; -} sa_bufferq_t; - -int sa_bufferq_init(sa_bufferq_t *q, unsigned nchannels, size_t sample_size); - -void sa_bufferq_done(sa_bufferq_t *q); - -int sa_bufferq_push(sa_bufferq_t *q, unsigned channel, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence, sa_bufferq_item_type_t type); -int sa_bufferq_realloc(sa_bufferq_t *q); - -void sa_bufferq_get(sa_bufferq_t *q, void *i[], size_t *bytes); -void sa_bufferq_drop(sa_bufferq_t *q, int64_t bytes); - -#endif diff --git a/byteswap.c b/byteswap.c deleted file mode 100644 index 8ae0b7a..0000000 --- a/byteswap.c +++ /dev/null @@ -1,57 +0,0 @@ -#include - -#include "macro.h" -#include "byteswap.h" - -static void byteswap16(void *_dst, size_t dstr, const void *_src, size_t sstr, size_t bytes) { - uint16_t *dst = _dst; - const uint16_t *src = _src; - unsigned n = bytes / sizeof(uint16_t); - - for (; n > 0; n--) { - *dst = (*src >> 8) | (*src << 8); - src += sstr / sizeof(uint16_t); - dst += dstr / sizeof(uint16_t); - } -} - -static void byteswap24(void *_dst, size_t dstr, const void *_src, size_t sstr, size_t bytes) { - uint8_t *dst = _dst; - const uint8_t *src = _src; - unsigned n = bytes / (sizeof(uint8_t)*3); - - for (; n > 0; n--) { - dst[0] = src[2]; - dst[2] = src[0]; - - src += sstr / (sizeof(uint8_t)*3); - dst += dstr / (sizeof(uint8_t)*3); - } -} - -static void byteswap32(void *_dst, size_t dstr, const void *_src, size_t sstr, size_t bytes) { - uint32_t *dst = _dst; - const uint32_t *src = _src; - unsigned n = bytes / sizeof(uint32_t); - - for (; n > 0; n--) { - *dst = (*src << 24) | ((*src & 0xFF00) << 8) | ((*src >> 8) & 0xFF00) | (*src >> 24); - src += sstr / sizeof(uint32_t); - dst += dstr / sizeof(uint32_t); - } -} - -sa_byteswap_func_t sa_get_byteswap_func(sa_pcm_format_t f) { - - static const sa_byteswap_func_t funcs[_SA_PCM_FORMAT_MAX] = { - [SA_PCM_FORMAT_S16_RE] = byteswap16, - [SA_PCM_FORMAT_S24_RE] = byteswap24, - [SA_PCM_FORMAT_S32_RE] = byteswap32, - [SA_PCM_FORMAT_FLOAT32_BE] = byteswap32, - }; - - sa_assert(f < _SA_PCM_FORMAT_MAX); - - return funcs[f]; -} - diff --git a/byteswap.h b/byteswap.h deleted file mode 100644 index 4116677..0000000 --- a/byteswap.h +++ /dev/null @@ -1,12 +0,0 @@ -#ifndef foosydneyhbyteswaphfoo -#define foosydneyhbyteswaphfoo - -#include - -#include "sydney.h" - -typedef void (*sa_byteswap_func_t) (void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes); - -sa_byteswap_func_t sa_get_byteswap_func(sa_pcm_format_t f); - -#endif diff --git a/common.c b/common.c deleted file mode 100644 index 5a81d02..0000000 --- a/common.c +++ /dev/null @@ -1,1266 +0,0 @@ -#include -#include -#include - -#include "sydney.h" -#include "macro.h" -#include "malloc.h" -#include "common.h" -#include "driver.h" -#include "mutex.h" - -/* contains code */ -#include "meta-name-table.h" - -static sa_stream_t *stream_alloc(void) { - sa_stream_t *d; - - if (!(d = sa_new0(sa_stream_t, 1))) - return NULL; - - /* All fields a carefully chosen in a way that initializing them - * NUL bytes is sufficient */ - - if (!(d->mutex = sa_mutex_new(0))) { - sa_free(d); - return NULL; - } - - return d; -} - -int sa_stream_create_opaque( - sa_stream_t **s, - const char *client_name, - sa_mode_t mode, - const char *codec) { - - int error; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(mode == SA_MODE_RDONLY || mode == SA_MODE_WRONLY || mode == SA_MODE_RDWR, SA_ERROR_INVALID); - sa_return_val_if_fail(codec, SA_ERROR_INVALID); - - if (!(*s = stream_alloc())) - return SA_ERROR_OOM; - - (*s)->mode = mode; - - if (!((*s)->codec = sa_strdup(codec))) { - error = SA_ERROR_OOM; - goto fail; - } - - oil_init(); - - if (client_name) - if ((error = sa_stream_change_meta_data(*s, SA_META_CLIENT_NAME, client_name, strlen(client_name)+1)) < 0) - goto fail; - - return SA_SUCCESS; - -fail: - sa_stream_destroy(*s); - return error; -} - -int sa_stream_create_pcm( - sa_stream_t **s, - const char *client_name, - sa_mode_t mode, - sa_pcm_format_t format, - unsigned rate, - unsigned nchannels) { - - int ret; - size_t lwm; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(mode == SA_MODE_RDONLY || mode == SA_MODE_WRONLY || mode == SA_MODE_RDWR, SA_ERROR_INVALID); - sa_return_val_if_fail(format < _SA_PCM_FORMAT_MAX, SA_ERROR_INVALID); - sa_return_val_if_fail(rate > 0, SA_ERROR_INVALID); - sa_return_val_if_fail(nchannels > 0, SA_ERROR_INVALID); - - if (!(*s = stream_alloc())) - return SA_ERROR_OOM; - - (*s)->mode = mode; - (*s)->pcm_attrs.format = format; - (*s)->pcm_attrs.nchannels = nchannels; - (*s)->pcm_sample_size = sa_get_pcm_sample_size(format); - (*s)->pcm_frame_size = (*s)->pcm_sample_size * nchannels; - - if (nchannels <= 2) { - static const sa_channel_t map_stereo[2] = { SA_CHANNEL_LEFT, SA_CHANNEL_RIGHT }; - static const sa_channel_t map_mono[1] = { SA_CHANNEL_MONO }; - - if ((ret = sa_stream_set_channel_map(*s, nchannels == 2 ? map_stereo : map_mono, nchannels))) - goto fail; - } - - if ((ret = sa_stream_change_rate(*s, rate))) - goto fail; - - lwm = ((*s)->pcm_frame_size * (*s)->pcm_attrs.rate) / 20; /* 50 ms */ - - if (lwm <= 0) - lwm = (*s)->pcm_frame_size * (*s)->pcm_attrs.rate; /* 1s */ - - if (mode & SA_MODE_RDONLY) { - - if ((ret = sa_stream_set_read_lower_watermark(*s, lwm))) - goto fail; - - if ((ret = sa_stream_set_read_upper_watermark(*s, lwm*2))) - goto fail; - } - - if (mode & SA_MODE_WRONLY) { - - if ((ret = sa_stream_set_write_lower_watermark(*s, lwm))) - goto fail; - - if ((ret = sa_stream_set_write_upper_watermark(*s, lwm*2))) - goto fail; - } - - oil_init(); - - if (client_name) - if ((ret = sa_stream_change_meta_data(*s, SA_META_CLIENT_NAME, client_name, strlen(client_name))) < 0) - goto fail; - - return SA_SUCCESS; - -fail: - - sa_stream_destroy(*s); - return ret; -} - -int sa_stream_open(sa_stream_t *s) { - int ret; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, s->codec || s->pcm_attrs.channel_map, SA_ERROR_NO_INIT); - sa_return_val_if_fail_mutex(s->mutex, !(s->mode & SA_MODE_RDONLY) || (s->read_lower_watermark <= s->read_upper_watermark), SA_ERROR_INVALID); - sa_return_val_if_fail_mutex(s->mutex, !(s->mode & SA_MODE_WRONLY) || (s->write_lower_watermark <= s->write_upper_watermark), SA_ERROR_INVALID); - sa_return_val_if_fail_mutex(s->mutex, !(s->mode & SA_MODE_RDONLY) || !s->codec || (s->read_lower_watermark > 0 && s->read_upper_watermark > 0), SA_ERROR_NO_INIT); - sa_return_val_if_fail_mutex(s->mutex, !(s->mode & SA_MODE_WRONLY) || !s->codec || (s->write_lower_watermark > 0 && s->write_upper_watermark > 0), SA_ERROR_NO_INIT); - - if ((ret = driver_open(s)) == 0) - s->state = SA_STATE_STOPPED; - - sa_mutex_unlock(s->mutex); - - return ret; -} - -int sa_stream_destroy(sa_stream_t *s) { - int ret; - unsigned u; - - sa_return_val_if_fail_mutex(s->mutex, s, SA_ERROR_INVALID); - - ret = driver_destroy(s); - - sa_free(s->codec); - sa_free(s->driver); - sa_free(s->device); - sa_free(s->pcm_attrs.channel_map); - sa_free(s->read_volume); - sa_free(s->write_volume); - - for (u = 0; u < _META_NAMES_MAX; u++) - sa_free(s->meta_data[u]); - - sa_mutex_free(s->mutex); - sa_free(s); - return ret; -} - -int sa_stream_set_write_lower_watermark(sa_stream_t *s, size_t size) { - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(size > 0, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_WRONLY, SA_ERROR_STATE); - - s->write_lower_watermark = size; - - sa_mutex_unlock(s->mutex); - - return SA_SUCCESS; -} - -int sa_stream_set_read_lower_watermark(sa_stream_t *s, size_t size) { - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(size > 0, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_RDONLY, SA_ERROR_STATE); - - s->read_lower_watermark = size; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_set_write_upper_watermark(sa_stream_t *s, size_t size) { - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(size > 0, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_WRONLY, SA_ERROR_STATE); - - s->write_upper_watermark = size; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_set_read_upper_watermark(sa_stream_t *s, size_t size) { - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(size > 0, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_RDONLY, SA_ERROR_STATE); - - s->read_upper_watermark = size; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_set_channel_map(sa_stream_t *s, const sa_channel_t *map, unsigned n) { - const sa_channel_t *c; - sa_channel_t *m; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(map, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, n == s->pcm_attrs.nchannels, SA_ERROR_INVALID); - - for (c = map; n > 0; c++, n--) - if (*c >= _SA_CHANNEL_MAX) { - sa_mutex_unlock(s->mutex); - return SA_ERROR_INVALID; - } - - if (!(m = sa_memdup(map, sizeof(sa_channel_t) * s->pcm_attrs.nchannels))) { - sa_mutex_unlock(s->mutex); - return SA_ERROR_OOM; - } - - sa_free(s->pcm_attrs.channel_map); - s->pcm_attrs.channel_map = m; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_set_xrun_mode(sa_stream_t *s, sa_xrun_mode_t mode) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(mode == SA_XRUN_MODE_STOP || mode == SA_XRUN_MODE_SPIN, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); - - s->xrun_mode = mode; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_set_non_interleaved(sa_stream_t *s, int enable) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_INVALID); - sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); - - s->ni_enabled = !!enable; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_set_dynamic_rate(sa_stream_t *s, int enable) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_INVALID); - sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); - - s->dynamic_rate_enabled = !!enable; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_set_driver(sa_stream_t *s, const char *driver) { - char *d; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(driver, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); - - if (!(d = sa_strdup(driver))) { - sa_mutex_unlock(s->mutex); - return SA_ERROR_OOM; - } - - sa_free(s->driver); - s->driver = d; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_start_thread(sa_stream_t *s, sa_event_callback_t callback) { - int r; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(callback, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, !s->callback, SA_ERROR_STATE); - - r = driver_start_thread(s, callback); - - if (r == SA_SUCCESS) - s->callback = callback; - - sa_mutex_unlock(s->mutex); - return r; -} - -int sa_stream_stop_thread(sa_stream_t *s) { - int r; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, s->callback, SA_ERROR_STATE); - - r = driver_stop_thread(s); - - if (r == SA_SUCCESS) - s->callback = NULL; - - sa_mutex_unlock(s->mutex); - return r; -} - -int sa_stream_change_device(sa_stream_t *s, const char *device_name) { - char *d; - int ret; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(device_name, SA_ERROR_INVALID); - - if (!(d = sa_strdup(device_name))) - return SA_ERROR_OOM; - - sa_mutex_lock(s->mutex); - - ret = s->state == SA_STATE_INIT ? SA_SUCCESS : driver_change_device(s, device_name); - - if (ret == SA_SUCCESS) { - sa_free(s->device); - s->device = d; - } else - sa_free(d); - - sa_mutex_unlock(s->mutex); - - return ret; -} - -int sa_stream_change_read_volume(sa_stream_t *s, const int32_t vol[], unsigned n) { - int *v, ret; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(vol, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_RDONLY, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, (!s->codec && n == s->pcm_attrs.nchannels) || s->pcm_attrs.nchannels == 1, SA_ERROR_INVALID); - - if (s->codec || s->pcm_attrs.nchannels == n) { - if (!(v = sa_newdup(int32_t, vol, n))) { - sa_mutex_unlock(s->mutex); - return SA_ERROR_OOM; - } - } else { - unsigned i; - - if (!(v = sa_new(int32_t, s->pcm_attrs.nchannels))) { - sa_mutex_unlock(s->mutex); - return SA_ERROR_OOM; - } - - for (i = 0; i < s->pcm_attrs.nchannels; i++) - v[i] = vol[0]; - } - - ret = s->state == SA_STATE_INIT ? SA_SUCCESS : driver_change_read_volume(s, v); - - if (ret == SA_SUCCESS) { - sa_free(s->read_volume); - s->read_volume = v; - } else - sa_free(v); - - sa_mutex_unlock(s->mutex); - return ret; -} - -int sa_stream_change_write_volume(sa_stream_t *s, const int32_t vol[], unsigned n) { - int *v, ret; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(vol, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_WRONLY, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, (!s->codec && n == s->pcm_attrs.nchannels) || s->pcm_attrs.nchannels == 1, SA_ERROR_INVALID); - - if (s->codec || s->pcm_attrs.nchannels == n) { - if (!(v = sa_newdup(int32_t, vol, n))) { - sa_mutex_unlock(s->mutex); - return SA_ERROR_OOM; - } - } else { - unsigned i; - - if (!(v = sa_new(int32_t, s->pcm_attrs.nchannels))) { - sa_mutex_unlock(s->mutex); - return SA_ERROR_OOM; - } - - for (i = 0; i < s->pcm_attrs.nchannels; i++) - v[i] = vol[0]; - } - - ret = s->state == SA_STATE_INIT ? SA_SUCCESS : driver_change_write_volume(s, v); - - if (ret == SA_SUCCESS) { - sa_free(s->write_volume); - s->write_volume = v; - } else - sa_free(v); - - sa_mutex_unlock(s->mutex); - return ret; -} - -int sa_stream_change_rate(sa_stream_t *s, unsigned rate) { - int ret; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(rate > 0, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, s->dynamic_rate_enabled || s->state == SA_STATE_INIT, SA_ERROR_STATE); - - ret = s->state == SA_STATE_INIT ? SA_SUCCESS : driver_change_rate(s, rate); - - if (ret == SA_SUCCESS) - s->pcm_attrs.rate = rate; - - sa_mutex_unlock(s->mutex); - return ret; -} - -int sa_stream_change_user_data(sa_stream_t *s, const void *value) { - sa_return_val_if_fail(s->mutex, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - - s->user_data = (void*) value; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_set_adjust_rate(sa_stream_t *s, sa_adjust_t direction) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); - - s->adjust_rate = direction; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_set_adjust_nchannels(sa_stream_t *s, sa_adjust_t direction) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); - - s->adjust_rate = direction; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_set_adjust_pcm_format(sa_stream_t *s, sa_adjust_t direction) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); - - s->adjust_pcm_format = direction; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_set_adjust_watermarks(sa_stream_t *s, sa_adjust_t direction) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); - - s->adjust_watermarks = direction; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_state(sa_stream_t *s, sa_state_t *state) { - int ret; - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, state, SA_ERROR_INVALID); - - if (s->state == SA_STATE_INIT) { - *state = s->state; - ret = SA_SUCCESS; - } else - ret = driver_get_state(s, state); - - sa_mutex_unlock(s->mutex); - return ret; -} - -int sa_stream_get_rate(sa_stream_t *s, unsigned *rate) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(rate, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); - - *rate = s->pcm_attrs.rate; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_nchannels(sa_stream_t *s, int *nchannels) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(nchannels, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); - - *nchannels = s->pcm_attrs.nchannels; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_pcm_format(sa_stream_t *s, sa_pcm_format_t *pcm_format) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(pcm_format, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); - - *pcm_format = s->pcm_attrs.format; - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_mode(sa_stream_t *s, sa_mode_t *access_mode) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(access_mode, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - - *access_mode = s->mode; - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_codec(sa_stream_t *s, char *codec, size_t *size) { - size_t n; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(size && (*size == 0 || codec), SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->codec, SA_ERROR_STATE); - - n = strlen(s->codec)+1; - if (*size < n) { - sa_mutex_unlock(s->mutex); - return SA_ERROR_NO_SPACE; - } - - if (codec) - strcpy(codec, s->codec); - *size = n; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_write_lower_watermark(sa_stream_t *s, size_t *size) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(size, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_WRONLY, SA_ERROR_STATE); - - *size = s->write_lower_watermark; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_read_lower_watermark(sa_stream_t *s, size_t *size) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(size, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_RDONLY, SA_ERROR_STATE); - - *size = s->read_lower_watermark; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_write_upper_watermark(sa_stream_t *s, size_t *size) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(size, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_WRONLY, SA_ERROR_STATE); - - *size = s->write_upper_watermark; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_read_upper_watermark(sa_stream_t *s, size_t *size) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(size, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_RDONLY, SA_ERROR_STATE); - - *size = s->read_upper_watermark; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_channel_map(sa_stream_t *s, sa_channel_t *map, unsigned *n) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(n && (*n == 0 || map), SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); - - if (*n < s->pcm_attrs.nchannels) { - sa_mutex_unlock(s->mutex); - return SA_ERROR_NO_SPACE; - } - - if (map) - memcpy(map, s->pcm_attrs.channel_map, s->pcm_attrs.nchannels * sizeof(sa_channel_t)); - *n = s->pcm_attrs.nchannels; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_xrun_mode(sa_stream_t *s, sa_xrun_mode_t *mode) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(mode, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - - *mode = s->xrun_mode; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_non_interleaved(sa_stream_t *s, int *enabled) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(enabled, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - - *enabled = s->ni_enabled; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_dynamic_rate(sa_stream_t *s, int *enabled) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(enabled, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - - *enabled = s->dynamic_rate_enabled; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_driver(sa_stream_t *s, char *driver, size_t *size) { - size_t n; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(size && (*size == 0 || driver), SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->driver, SA_ERROR_STATE); - - n = strlen(s->driver)+1; - if (*size < n) { - sa_mutex_unlock(s->mutex); - return SA_ERROR_NO_SPACE; - } - - if (driver) - strcpy(driver, s->driver); - *size = n; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_device(sa_stream_t *s, char *device, size_t *size) { - size_t n; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(size && (*size == 0 || device), SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->device, SA_ERROR_STATE); - - n = strlen(s->device)+1; - if (*size < n) { - sa_mutex_unlock(s->mutex); - return SA_ERROR_NO_SPACE; - } - - if (device) - strcpy(device, s->device); - *size = n; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_read_volume(sa_stream_t *s, int32_t vol[], unsigned *n) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(n && (*n == 0 || vol), SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_RDONLY, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, s->read_volume, SA_ERROR_STATE); - - if (*n < s->pcm_attrs.nchannels) { - sa_mutex_unlock(s->mutex); - return SA_ERROR_NO_SPACE; - } - - if (vol) - memcpy(vol, s->read_volume, s->pcm_attrs.nchannels * sizeof(int32_t)); - *n = s->pcm_attrs.nchannels; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_write_volume(sa_stream_t *s, int32_t vol[], unsigned *n) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(n && (*n == 0 || vol), SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_WRONLY, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, s->write_volume, SA_ERROR_STATE); - - if (*n < s->pcm_attrs.nchannels) { - sa_mutex_unlock(s->mutex); - return SA_ERROR_NO_SPACE; - } - - if (vol) - memcpy(vol, s->write_volume, s->pcm_attrs.nchannels * sizeof(int32_t)); - *n = s->pcm_attrs.nchannels; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_adjust_rate(sa_stream_t *s, sa_adjust_t *direction) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(direction, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); - - *direction = s->adjust_rate; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_adjust_nchannels(sa_stream_t *s, sa_adjust_t *direction) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(direction, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); - - *direction = s->adjust_nchannels; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_adjust_pcm_format(sa_stream_t *s, sa_adjust_t *direction) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(direction, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); - - *direction = s->adjust_pcm_format; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_adjust_watermarks(sa_stream_t *s, sa_adjust_t *direction) { - sa_return_val_if_fail_mutex(s->mutex, s, SA_ERROR_INVALID); - sa_return_val_if_fail_mutex(s->mutex, direction, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - - *direction = s->adjust_watermarks; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_user_data(sa_stream_t *s, void **value) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(value, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - - *value = s->user_data; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_event_error(sa_stream_t *s, sa_error_t *error) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(error, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->event == SA_EVENT_ERROR, SA_ERROR_STATE); - - *error = s->error; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_event_notify(sa_stream_t *s, sa_notify_t *notify) { - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(notify, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->event == SA_EVENT_NOTIFY, SA_ERROR_STATE); - - *notify = s->notify; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -int sa_stream_get_position(sa_stream_t *s, sa_position_t position, int64_t *pos) { - int ret; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(pos, SA_ERROR_INVALID); - sa_return_val_if_fail(position < _SA_POSITION_MAX, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); - - ret = driver_get_position(s, position, pos); - - sa_mutex_unlock(s->mutex); - return ret; -} - -int sa_stream_read(sa_stream_t *s, void *data, size_t nbytes) { - int ret; - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(data, SA_ERROR_INVALID); - sa_return_val_if_fail(nbytes > 0, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, !s->ni_enabled, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, s->codec || (nbytes % s->pcm_frame_size) == 0, SA_ERROR_INVALID); - sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_RDONLY, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); - - ret = driver_read(s, data, nbytes); - - sa_mutex_unlock(s->mutex); - return ret; -} - -int sa_stream_read_ni(sa_stream_t *s, unsigned channel, void *data, size_t nbytes) { - int ret; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(data, SA_ERROR_INVALID); - sa_return_val_if_fail(nbytes > 0, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, channel < s->pcm_attrs.nchannels, SA_ERROR_INVALID); - sa_return_val_if_fail_mutex(s->mutex, s->ni_enabled, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, (nbytes % s->pcm_sample_size) == 0, SA_ERROR_INVALID); - sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_RDONLY, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); - - ret = driver_read_ni(s, channel, data, nbytes); - - sa_mutex_unlock(s->mutex); - return ret; -} - -int sa_stream_write(sa_stream_t *s, const void *data, size_t nbytes) { - return sa_stream_pwrite(s, data, nbytes, 0, SA_SEEK_RELATIVE); -} - -int sa_stream_write_ni(sa_stream_t *s, unsigned channel, const void *data, size_t nbytes) { - return sa_stream_pwrite_ni(s, channel, data, nbytes, 0, SA_SEEK_RELATIVE); -} - -int sa_stream_pwrite(sa_stream_t *s, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence) { - int ret; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(data, SA_ERROR_INVALID); - sa_return_val_if_fail(nbytes > 0, SA_ERROR_INVALID); - sa_return_val_if_fail(whence == SA_SEEK_RELATIVE || whence == SA_SEEK_ABSOLUTE || whence == SA_SEEK_RELATIVE_END, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, !s->ni_enabled, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, s->codec || (nbytes % s->pcm_frame_size) == 0, SA_ERROR_INVALID); - sa_return_val_if_fail_mutex(s->mutex, s->codec || (offset % s->pcm_frame_size) == 0, SA_ERROR_INVALID); - sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_WRONLY, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); - - ret = driver_pwrite(s, data, nbytes, offset, whence); - - sa_mutex_unlock(s->mutex); - return ret; -} - -int sa_stream_pwrite_ni(sa_stream_t *s, unsigned channel, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence) { - int ret; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(data, SA_ERROR_INVALID); - sa_return_val_if_fail(nbytes > 0, SA_ERROR_INVALID); - sa_return_val_if_fail(whence == SA_SEEK_RELATIVE || whence == SA_SEEK_ABSOLUTE || whence == SA_SEEK_RELATIVE_END, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, channel < s->pcm_attrs.nchannels, SA_ERROR_INVALID); - sa_return_val_if_fail_mutex(s->mutex, s->ni_enabled, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, (nbytes % s->pcm_sample_size) == 0, SA_ERROR_INVALID); - sa_return_val_if_fail_mutex(s->mutex, (offset % s->pcm_sample_size) == 0, SA_ERROR_INVALID); - sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_WRONLY, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); - - ret = driver_pwrite_ni(s, channel, data, nbytes, offset, whence); - - sa_mutex_unlock(s->mutex); - return ret; -} - -int sa_stream_get_read_size(sa_stream_t *s, size_t *size) { - int ret; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(size, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_RDONLY, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); - - ret = driver_get_read_size(s, size); - - sa_mutex_unlock(s->mutex); - return ret; -} - -int sa_stream_get_write_size(sa_stream_t *s, size_t *size) { - int ret; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(size, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_WRONLY, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); - - ret = driver_get_write_size(s, size); - - sa_mutex_unlock(s->mutex); - return ret; -} - -int sa_stream_resume(sa_stream_t *s) { - int ret; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); - - ret = driver_resume(s); - - sa_mutex_unlock(s->mutex); - return ret; -} - -int sa_stream_pause(sa_stream_t *s) { - int ret; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); - - ret = driver_pause(s); - - sa_mutex_unlock(s->mutex); - return ret; -} - -int sa_stream_drain(sa_stream_t *s) { - int ret; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_WRONLY, SA_ERROR_STATE); - sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); - - ret = driver_drain(s); - - sa_mutex_unlock(s->mutex); - return ret; -} - -size_t sa_get_pcm_sample_size(sa_pcm_format_t f) { - - switch (f) { - case SA_PCM_FORMAT_U8: - case SA_PCM_FORMAT_ULAW: - case SA_PCM_FORMAT_ALAW: - return 1; - - case SA_PCM_FORMAT_S16_LE: - case SA_PCM_FORMAT_S16_BE: - return 2; - case SA_PCM_FORMAT_S24_LE: - case SA_PCM_FORMAT_S24_BE: - return 3; - - case SA_PCM_FORMAT_S32_LE: - case SA_PCM_FORMAT_S32_BE: - case SA_PCM_FORMAT_FLOAT32_LE: - case SA_PCM_FORMAT_FLOAT32_BE: - return 4; - - case _SA_PCM_FORMAT_MAX: - ; - } - - sa_assert_not_reached(); -} - -static int meta_check_png(const void *data, size_t size) { - static const uint8_t png_signature[] = { 0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A }; - sa_assert(data); - - if (size < sizeof(png_signature)) - return 0; - - return memcmp(data, png_signature, 8) == 0; -} - -static int meta_check_utf8(const void *data, size_t size) { - int32_t idx; - - oil_utf8_validate(&idx, data, size); - - return (size_t) idx == size; -} - -static int meta_check_pid(const void *data, size_t size) { - long int pid; - char *t; - - if (size <= 0) - return 0; - - if (memchr(data, 0, size)) - return 0; - - if (!(t = sa_strndup(data, size))) - return 0; - - errno = 0; - pid = strtol(t, NULL, 10); - sa_free(t); - - if (errno != 0) - return 0; - - if (pid <= 1) - return 0; - - return 1; -} - -static int meta_check_icon_name(const void *data, size_t size) { - const char *t = data; - - if (size <= 0) - return 0; - - if (memchr(data, 0, size)) - return 0; - - if (size == 1 && t[0] == '.') - return 0; - - if (size == 2 && t[0] == '.' && t[1] == '.') - return 0; - - if (memchr(t, '/', size)) - return 0; - - return 1; -} - -static int meta_check_word(const void *data, size_t size) { - const char *t = data; - - for (; size > 0; size --, t++) - if (*t <= 32 || *t >= 127) - return 0; - - return 1; -} - -typedef int (*meta_check_func_t)(const void *data, size_t size); - -int sa_stream_change_meta_data(sa_stream_t *s, const char *name, const void *data, size_t size) { - void *d = NULL; - const struct meta_name *m; - int ret; - - static const meta_check_func_t check_table[] = { - meta_check_utf8, - meta_check_pid, - meta_check_word, /* FIXME */ - meta_check_utf8, - meta_check_icon_name, - meta_check_png, - meta_check_word, /* FIXME */ - meta_check_word, /* FIXME */ - }; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(name, SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - sa_return_val_if_fail_mutex(s->mutex, data || size == 0, SA_ERROR_INVALID); - - if (!(m = sa_lookup_meta_name(name, strlen(name)))) { - sa_mutex_unlock(s->mutex); - return SA_ERROR_NO_META; - } - - if (!check_table[m->idx](data, size)) { - sa_mutex_unlock(s->mutex); - return SA_ERROR_INVALID; - } - - if (data) - if (!(d = sa_memdup(data, size))) { - sa_mutex_unlock(s->mutex); - return SA_ERROR_OOM; - } - - ret = s->state == SA_STATE_INIT ? SA_SUCCESS : driver_change_meta_data(s, name, data, size); - - if (ret == SA_SUCCESS) { - sa_free(s->meta_data[m->idx]); - s->meta_data[m->idx] = d; - s->meta_data_size[m->idx] = size; - } else - sa_free(d); - - sa_mutex_unlock(s->mutex); - return ret; -} - -int sa_stream_get_meta_data(sa_stream_t *s, const char *name, void *data, size_t *size) { - const struct meta_name *m; - - sa_return_val_if_fail(s, SA_ERROR_INVALID); - sa_return_val_if_fail(name, SA_ERROR_INVALID); - sa_return_val_if_fail(size && (*size == 0 || data), SA_ERROR_INVALID); - sa_mutex_lock(s->mutex); - - if (!(m = sa_lookup_meta_name(name, strlen(name)))) { - sa_mutex_unlock(s->mutex); - return SA_ERROR_NO_META; - } - - if (!s->meta_data[m->idx]) { - sa_mutex_unlock(s->mutex); - return SA_ERROR_NO_DATA; - } - - if (*size < s->meta_data_size[m->idx]) { - sa_mutex_unlock(s->mutex); - return SA_ERROR_NO_SPACE; - } - - if (data) - memcpy(data, s->meta_data[m->idx], s->meta_data_size[m->idx]); - - *size = s->meta_data_size[m->idx]; - - sa_mutex_unlock(s->mutex); - return SA_SUCCESS; -} - -const char *sa_strerror(int code) { - const char * const error_table[-_SA_ERROR_MAX] = { - [-SA_SUCCESS] = "Success", - [-SA_ERROR_NOT_SUPPORTED] = "Operation not supported", - [-SA_ERROR_INVALID] = "Invalid argument", - [-SA_ERROR_STATE] = "Invalid state", - [-SA_ERROR_OOM] = "Out of memory", - [-SA_ERROR_NO_DEVICE] = "No such device", - [-SA_ERROR_NO_DRIVER] = "No such driver", - [-SA_ERROR_NO_CODEC] = "No such codec", - [-SA_ERROR_NO_PCM_FORMAT] = "No such PCM format", - [-SA_ERROR_SYSTEM] = "System error", - [-SA_ERROR_NO_INIT] = "Not initialized", - [-SA_ERROR_NO_META] = "No such meta name", - [-SA_ERROR_NO_DATA] = "No such data" - }; - - sa_return_val_if_fail(code <= 0, NULL); - sa_return_val_if_fail(code > _SA_ERROR_MAX, NULL); - - return error_table[-code]; -} diff --git a/common.h b/common.h deleted file mode 100644 index b5f316c..0000000 --- a/common.h +++ /dev/null @@ -1,67 +0,0 @@ -#ifndef foocommonh -#define foocommonh - -#include "sydney.h" -#include "mutex.h" - -#define _META_NAMES_MAX 9 - -typedef struct sa_pcm_attrs { - sa_pcm_format_t format; - unsigned rate; - unsigned nchannels; - sa_channel_t *channel_map; -} pcm_attrs_t; - -struct sa_stream { - sa_mode_t mode; - - pcm_attrs_t pcm_attrs; - size_t pcm_sample_size; - size_t pcm_frame_size; - - char *codec; - - size_t read_lower_watermark; - size_t read_upper_watermark; - size_t write_lower_watermark; - size_t write_upper_watermark; - - sa_xrun_mode_t xrun_mode; - int ni_enabled; - int dynamic_rate_enabled; - - sa_event_callback_t event_callback; - - char *device; - char *driver; - - int32_t *read_volume; - int32_t *write_volume; - - void *user_data; - - sa_state_t state; - - sa_adjust_t adjust_rate; - sa_adjust_t adjust_nchannels; - sa_adjust_t adjust_pcm_format; - sa_adjust_t adjust_watermarks; - - sa_error_t error; - sa_notify_t notify; - sa_event_t event; - - void *private; /* driver specific data */ - - void *meta_data[_META_NAMES_MAX]; - size_t meta_data_size[_META_NAMES_MAX]; - - sa_mutex_t *mutex; - - sa_event_callback_t callback; -}; - -size_t sa_get_pcm_sample_size(sa_pcm_format_t f); - -#endif diff --git a/continued-fraction.c b/continued-fraction.c deleted file mode 100644 index 6cbf8a5..0000000 --- a/continued-fraction.c +++ /dev/null @@ -1,69 +0,0 @@ -/* - * Stolen from gnumeric - * - * Original code from Morten Welinder - */ - -#include -#include - -#include "continued-fraction.h" - -void sa_continued_fraction(double val, int max_denom, int *res_num, int *res_denom) { - int n1, n2, d1, d2; - double x, y; - - if (val < 0) { - sa_continued_fraction (-val, max_denom, res_num, res_denom); - *res_num = -*res_num; - return; - } - - n1 = 0; d1 = 1; - n2 = 1; d2 = 0; - - x = val; - y = 1; - - do { - int a = (int) (x / y); - double newy = x - a * y; - int n3, d3; - - if ((n2 && a > (INT_MAX - n1) / n2) || - (d2 && a > (INT_MAX - d1) / d2) || - a * d2 + d1 > max_denom) { - *res_num = n2; - *res_denom = d2; - return; - } - - n3 = a * n2 + n1; - d3 = a * d2 + d1; - - x = y; - y = newy; - - n1 = n2; n2 = n3; - d1 = d2; d2 = d3; - } while (y > 1e-10); - - *res_num = n2; - *res_denom = d2; -} - -#if 0 - -int main(int argc, char*argv[]) { - - float value = 3.1417235; - int res_num, res_denom; - - sa_continued_fraction(value, 0xFFFF, &res_num, &res_denom); - - printf("%g ~= %i/%i = %g\n", value, res_num, res_denom, (float) res_num / res_denom); - - return 0; -} - -#endif diff --git a/continued-fraction.h b/continued-fraction.h deleted file mode 100644 index 2026b50..0000000 --- a/continued-fraction.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef foosydneycontinuedfractionhfoo -#define foosydneycontinuedfractionhfoo - -void sa_continued_fraction(double val, int max_denom, int *res_num, int *res_denom); - -#endif diff --git a/converter.c b/converter.c deleted file mode 100644 index 3b146ce..0000000 --- a/converter.c +++ /dev/null @@ -1,743 +0,0 @@ -#include -#include - -#include "speex/speex_resampler.h" - -#include "converter.h" -#include "sydney.h" -#include "macro.h" -#include "common.h" -#include "format.h" -#include "volscale.h" -#include "byteswap.h" -#include "zero.h" -#include "add.h" -#include "bbuffer.h" -#include "continued-fraction.h" -#include "malloc.h" -#include "resample.h" - -/* Steps: byteswap -> convert -> volscale -> remap -> resample -> convert -> byteswap -> interleave */ - -/* Sample formats we know to process natively */ -static int native_pcm_format_process(sa_pcm_format_t f) { - return - f == SA_PCM_FORMAT_U8 || - f == SA_PCM_FORMAT_S16_NE || - f == SA_PCM_FORMAT_S32_NE || - f == SA_PCM_FORMAT_FLOAT32_NE; -} - -/* Sample formats we know to resample natively */ -static int native_pcm_format_resample(sa_pcm_format_t f) { - return - f == SA_PCM_FORMAT_S16_NE || - f == SA_PCM_FORMAT_FLOAT32_NE; -} - -static sa_pcm_format_t byteswap_fix(sa_pcm_format_t f) { - - switch (f) { - case SA_PCM_FORMAT_U8: - case SA_PCM_FORMAT_ULAW: - case SA_PCM_FORMAT_ALAW: - return f; - - case SA_PCM_FORMAT_S16_NE: - case SA_PCM_FORMAT_S16_RE: - return SA_PCM_FORMAT_S16_NE; - - case SA_PCM_FORMAT_S24_NE: - case SA_PCM_FORMAT_S24_RE: - return SA_PCM_FORMAT_S24_NE; - - case SA_PCM_FORMAT_S32_NE: - case SA_PCM_FORMAT_S32_RE: - return SA_PCM_FORMAT_S32_NE; - - case SA_PCM_FORMAT_FLOAT32_NE: - case SA_PCM_FORMAT_FLOAT32_RE: - return SA_PCM_FORMAT_FLOAT32_NE; - - case _SA_PCM_FORMAT_MAX: - ; - } - - sa_assert_not_reached(); -} - -static sa_pcm_format_t get_work_format(sa_pcm_format_t a, sa_pcm_format_t b) { - - switch (a) { - case SA_PCM_FORMAT_U8: - case SA_PCM_FORMAT_ULAW: - case SA_PCM_FORMAT_ALAW: - - switch (b) { - case SA_PCM_FORMAT_U8: - return SA_PCM_FORMAT_U8; - - case SA_PCM_FORMAT_ULAW: - case SA_PCM_FORMAT_ALAW: - case SA_PCM_FORMAT_S16_LE: - case SA_PCM_FORMAT_S16_BE: - return SA_PCM_FORMAT_S16_NE; - - case SA_PCM_FORMAT_S24_LE: - case SA_PCM_FORMAT_S24_BE: - case SA_PCM_FORMAT_S32_LE: - case SA_PCM_FORMAT_S32_BE: - return SA_PCM_FORMAT_S32_NE; - - case SA_PCM_FORMAT_FLOAT32_LE: - case SA_PCM_FORMAT_FLOAT32_BE: - return SA_PCM_FORMAT_FLOAT32_NE; - - case _SA_PCM_FORMAT_MAX: - ; - } - - break; - - case SA_PCM_FORMAT_S16_LE: - case SA_PCM_FORMAT_S16_BE: - - switch (b) { - case SA_PCM_FORMAT_U8: - case SA_PCM_FORMAT_ULAW: - case SA_PCM_FORMAT_ALAW: - case SA_PCM_FORMAT_S16_LE: - case SA_PCM_FORMAT_S16_BE: - return SA_PCM_FORMAT_S16_NE; - - case SA_PCM_FORMAT_S24_LE: - case SA_PCM_FORMAT_S24_BE: - case SA_PCM_FORMAT_S32_LE: - case SA_PCM_FORMAT_S32_BE: - return SA_PCM_FORMAT_S32_NE; - - case SA_PCM_FORMAT_FLOAT32_LE: - case SA_PCM_FORMAT_FLOAT32_BE: - return SA_PCM_FORMAT_FLOAT32_NE; - - case _SA_PCM_FORMAT_MAX: - ; - } - break; - - case SA_PCM_FORMAT_S24_LE: - case SA_PCM_FORMAT_S24_BE: - case SA_PCM_FORMAT_S32_LE: - case SA_PCM_FORMAT_S32_BE: - - switch (b) { - case SA_PCM_FORMAT_U8: - case SA_PCM_FORMAT_ULAW: - case SA_PCM_FORMAT_ALAW: - case SA_PCM_FORMAT_S16_LE: - case SA_PCM_FORMAT_S16_BE: - case SA_PCM_FORMAT_S24_LE: - case SA_PCM_FORMAT_S24_BE: - case SA_PCM_FORMAT_S32_LE: - case SA_PCM_FORMAT_S32_BE: - return SA_PCM_FORMAT_S32_NE; - - case SA_PCM_FORMAT_FLOAT32_LE: - case SA_PCM_FORMAT_FLOAT32_BE: - return SA_PCM_FORMAT_FLOAT32_NE; - - case _SA_PCM_FORMAT_MAX: - ; - } - break; - - case SA_PCM_FORMAT_FLOAT32_LE: - case SA_PCM_FORMAT_FLOAT32_BE: - return SA_PCM_FORMAT_FLOAT32_NE; - - case _SA_PCM_FORMAT_MAX: - ; - } - - sa_assert_not_reached(); -} - -static sa_pcm_format_t fix_work_format_for_resample(sa_pcm_format_t f) { - - switch (f) { - case SA_PCM_FORMAT_U8: - case SA_PCM_FORMAT_S16_NE: - return SA_PCM_FORMAT_S16_NE; - break; - - case SA_PCM_FORMAT_S32_NE: - case SA_PCM_FORMAT_FLOAT32_NE: - return SA_PCM_FORMAT_FLOAT32_NE; - break; - - default: - ; - } - - sa_assert_not_reached(); -} - -int sa_converter_init( - sa_converter_t *c, - const pcm_attrs_t *from, - const pcm_attrs_t *to, - int dynamic_rate_enabled) { - - unsigned u, t; - int resample_required; - - sa_assert(c); - sa_assert(from); - sa_assert(to); - - memset(c, 0, sizeof(*c)); - - c->from_pcm_format = from->format; - c->to_pcm_format = to->format; - - c->from_rate = from->rate; - c->to_rate = to->rate; - - c->from_nchannels = from->nchannels; - c->to_nchannels = to->nchannels; - - if (!(c->channel_map_table = sa_new(int, (from->nchannels+1) * to->nchannels))) - goto fail; - - for (u = 0; u < to->nchannels; u++) { - unsigned k = 0; - - for (t = 0; t < from->nchannels; t++) { - - if (from->channel_map[u] == to->channel_map[t]) { - if (u != t) - c->remap_required = 1; - - c->channel_map_table[u * (from->nchannels+1) + k++] += t; - } - } - - if (k > 1) - c->sum_required = 1; - - c->channel_map_table[k] = (unsigned) -1; - } - - if (c->from_nchannels != c->to_nchannels) - c->remap_required = 1; - - resample_required = - from->rate != to->rate || - dynamic_rate_enabled; - - c->work_pcm_format = get_work_format(from->format, to->format); - if (resample_required) - c->work_pcm_format = fix_work_format_for_resample(c->work_pcm_format); - - sa_assert(native_pcm_format_process(c->work_pcm_format)); - sa_assert(!resample_required || native_pcm_format_resample(c->work_pcm_format)); - - c->from_sample_size = sa_get_pcm_sample_size(c->from_pcm_format); - c->work_sample_size = sa_get_pcm_sample_size(c->work_pcm_format); - c->to_sample_size = sa_get_pcm_sample_size(c->to_pcm_format); - - /* Get function pointers */ - c->pre_byteswap_func = sa_get_byteswap_func(from->format); - - if (byteswap_fix(from->format) != c->work_pcm_format) { - c->pre_format_func = sa_get_format_func(byteswap_fix(from->format), c->work_pcm_format); - sa_assert(c->pre_format_func); - } - - c->volscale_func = sa_get_volscale_func(c->work_pcm_format); - sa_assert(c->volscale_func); - - c->zero_func = sa_get_zero_func(c->work_pcm_format); - sa_assert(c->zero_func); - - c->add_func = sa_get_add_func(c->work_pcm_format); - sa_assert(c->add_func); - - if (resample_required) { - c->resample_func = sa_get_resample_func(c->work_pcm_format); - sa_assert(c->resample_func); - } - - if (c->work_pcm_format != byteswap_fix(to->format)) { - c->post_format_func = sa_get_format_func(c->work_pcm_format, byteswap_fix(to->format)); - sa_assert(c->post_format_func); - } - - c->post_byteswap_func = sa_get_byteswap_func(to->format); - - c->interleave_func = sa_get_interleave_func(to->format); - sa_assert(c->interleave_func); - - /* Initialize resampler */ - - if (resample_required) { - if (!(c->speex = speex_resampler_init(c->to_nchannels, c->from_rate, c->to_rate, SPEEX_RESAMPLER_QUALITY_DEFAULT, NULL))) - goto fail; - } - - /* Initialize processing variables */ - - if (!(c->from_process_data = sa_new0(void*, c->from_nchannels))) - goto fail; - - if (!(c->from_stride = sa_new0(size_t, c->from_nchannels))) - goto fail; - - if (!(c->to_process_data = sa_new0(void*, c->to_nchannels))) - goto fail; - - if (!(c->to_stride = sa_new0(size_t, c->to_nchannels))) - goto fail; - - /* Initialize volume stuff */ - if (!(c->volume_factor = sa_new(int32_t, c->from_nchannels))) - goto fail; - - if (!(c->volume_divisor = sa_new(int32_t, c->from_nchannels))) - goto fail; - - c->no_volume = 1; - - /* Initialize bounce buffers */ - - if (sa_bbuffer_init(&c->bb_pre_byteswap, c->from_nchannels, c->from_sample_size) < 0) - goto fail; - if (sa_bbuffer_init(&c->bb_pre_format, c->from_nchannels, c->work_sample_size) < 0) - goto fail; - if (sa_bbuffer_init(&c->bb_volscale, c->from_nchannels, c->work_sample_size) < 0) - goto fail; - if (sa_bbuffer_init(&c->bb_remap, c->to_nchannels, c->work_sample_size) < 0) - goto fail; - if (sa_bbuffer_init(&c->bb_resample, c->to_nchannels, c->work_sample_size) < 0) - goto fail; - if (sa_bbuffer_init(&c->bb_post_format, c->to_nchannels, c->to_sample_size) < 0) - goto fail; - if (sa_bbuffer_init(&c->bb_post_byteswap, c->to_nchannels, c->to_sample_size) < 0) - goto fail; - if (sa_bbuffer_init(&c->bb_interleave, c->to_nchannels, c->to_sample_size) < 0) - goto fail; - if (sa_bbuffer_init(&c->bb_tmp, 1, 1) < 0) - goto fail; - - return 0; - -fail: - sa_converter_done(c); - - return SA_ERROR_OOM; -} - -void sa_converter_done(sa_converter_t *c) { - sa_assert(c); - - sa_free(c->channel_map_table); - - sa_free(c->from_process_data); - sa_free(c->to_process_data); - sa_free(c->from_stride); - sa_free(c->to_stride); - - sa_bbuffer_done(&c->bb_pre_byteswap); - sa_bbuffer_done(&c->bb_pre_format); - sa_bbuffer_done(&c->bb_volscale); - sa_bbuffer_done(&c->bb_remap); - sa_bbuffer_done(&c->bb_resample); - sa_bbuffer_done(&c->bb_post_format); - sa_bbuffer_done(&c->bb_post_byteswap); - sa_bbuffer_done(&c->bb_interleave); - sa_bbuffer_done(&c->bb_tmp); - - if (c->speex) - speex_resampler_destroy(c->speex); - - sa_free(c->zero_buffer); - - sa_free(c->volume_divisor); - sa_free(c->volume_factor); - memset(c, 0, sizeof(*c)); -} - -void* sa_converter_get_zero_buffer(sa_converter_t *c, size_t size) { - void *b; - - sa_assert(c); - sa_assert(size > 0); - - if (c->zero_buffer && c->zero_size >= size) - return c->zero_buffer; - - sa_free(c->zero_buffer); - - if (!(c->zero_buffer = sa_malloc(size))) - return NULL; - - c->zero_func(b, c->work_sample_size, size); - return c->zero_func; -} - -int sa_converter_go( - sa_converter_t *c, - const void *const src[], const size_t sstr[], int sinterleave, - void **dst[], size_t *dstr[], int dinterleave, - size_t *size) { - - size_t* stride; - void** process_data; - int is_bounce; - int interleave; - unsigned i; - - sa_assert(c); - - is_bounce = 0; - stride = (size_t*) sstr; - process_data = (void**) src; - interleave = !!sinterleave; - dinterleave = !!dinterleave; - - if (c->no_volume && - !c->remap_required && - !c->resample_func && - c->from_pcm_format == c->to_pcm_format) { - - /* We can shortcut this, since we don't need to do any real work.*/ - - goto do_interleave; - } - - if (c->pre_byteswap_func) { - size_t k; - - k = dinterleave ? c->from_sample_size*c->from_nchannels : c->from_sample_size; - - for (i = 0; i < c->from_nchannels; i++) { - void *b; - - if (!(b = sa_bbuffer_get(&c->bb_pre_byteswap, i, *size, dinterleave))) - return SA_ERROR_OOM; - - c->pre_byteswap_func(b, k, process_data[i], stride[i], *size); - c->from_process_data[i] = b; - c->from_stride[i] = k; - } - - process_data = c->from_process_data; - stride = c->from_stride; - interleave = dinterleave; - is_bounce = 1; - } - - if (c->pre_format_func) { - - if (is_bounce && c->from_sample_size == c->to_sample_size) { - - /* The data to process is already in a bounce buffer, we - * can do this in-place */ - - for (i = 0; i < c->from_nchannels; i++) - c->pre_format_func(&c->bb_tmp, process_data[i], stride[i], process_data[i], stride[i], *size); - - } else { - size_t k, new_size; - - new_size = *size / c->from_sample_size * c->work_sample_size; - k = dinterleave ? c->work_sample_size*c->from_nchannels : c->work_sample_size; - - for (i = 0; i < c->from_nchannels; i++) { - void *b; - - if (!(b = sa_bbuffer_get(&c->bb_pre_format, i, new_size, dinterleave))) - return SA_ERROR_OOM; - - c->pre_format_func(&c->bb_tmp, b, k, process_data[i], stride[i], *size); - c->from_process_data[i] = b; - c->from_stride[i] = k; - } - - process_data = c->from_process_data; - stride = c->from_stride; - *size = new_size; - interleave = dinterleave; - is_bounce = 1; - } - } - - if (!c->no_volume) { - - sa_assert(c->volscale_func); - - if (is_bounce) { - - /* The data to process is already in a bounce buffer, we - * can do this in-place */ - - for (i = 0; i < c->from_nchannels; i++); - c->volscale_func(process_data[i], stride[i], process_data[i], stride[i], c->volume_factor[i], c->volume_divisor[i], *size); - - } else { - size_t k; - - k = dinterleave ? c->work_sample_size*c->from_nchannels : c->work_sample_size; - - for (i = 0; i < c->from_nchannels; i++) { - void *b; - - if (!(b = sa_bbuffer_get(&c->bb_volscale, i, *size, dinterleave))) - return SA_ERROR_OOM; - - c->volscale_func(b, k, process_data[i], stride[i], c->volume_factor[i], c->volume_divisor[i], *size); - c->from_process_data[i] = b; - c->from_stride[i] = k; - } - - process_data = c->from_process_data; - stride = c->from_stride; - interleave = dinterleave; - is_bounce = 1; - } - } - - if (c->remap_required) { - size_t k; - int need_proper_interleave = 0; - - k = dinterleave ? c->work_sample_size*c->to_nchannels : c->work_sample_size; - - for (i = 0; i < c->to_nchannels; i++) { - void *b; - int *p = &c->channel_map_table[i * (c->from_nchannels+1)]; - - if (p[0] == -1) { - /* We have to write silence to this channel */ - - if (!(b = sa_converter_get_zero_buffer(c, *size))) - return SA_ERROR_OOM; - - c->to_process_data[i] = b; - c->to_stride[i] = c->work_sample_size; - - need_proper_interleave = 1; - } else if (p[1] == -1) { - /* Just one channel, nothing to mix */ - - c->to_process_data[i] = process_data[p[0]]; - c->to_stride[i] = stride[p[0]]; - - need_proper_interleave = 1; - } else { - int j; - - /* We have to mix two or more channels */ - - if (!(b = sa_bbuffer_get(&c->bb_remap, i, *size, dinterleave))) - return SA_ERROR_OOM; - - c->add_func(b, k, process_data[p[0]], stride[p[0]], process_data[p[1]], stride[p[1]], *size); - - for (j = 2; p[j] != -1; j++) - c->add_func(b, k, b, k, process_data[p[j]], stride[p[j]], *size); - - c->to_process_data[i] = b; - c->to_stride[i] = k; - } - } - - process_data = c->to_process_data; - stride = c->to_stride; - interleave = need_proper_interleave ? -1 : dinterleave; - is_bounce = 1; - } - - if (c->resample_func) { - size_t k; - size_t new_size; - - k = dinterleave ? c->work_sample_size*c->to_nchannels : c->work_sample_size; - - new_size = (size_t) (((((uint64_t) *size+c->work_sample_size-1)/c->work_sample_size)*c->to_rate)/c->from_rate+1)*c->work_sample_size; /* FIXME */ - - for (i = 0; i < c->to_nchannels; i++) { - void *b; - - if (!(b = sa_bbuffer_get(&c->bb_resample, i, new_size, dinterleave))) - return SA_ERROR_OOM; - - c->resample_func(c->speex, i, b, k, process_data[i], stride[i], *size, &new_size); - c->to_process_data[i] = b; - c->to_stride[i] = k; - } - - process_data = c->to_process_data; - stride = c->to_stride; - *size = new_size; - interleave = dinterleave; - is_bounce = 1; - } - - if (c->post_format_func) { - - if (is_bounce && c->work_sample_size == c->to_sample_size) { - - /* The data to process is already in a bounce buffer, we - * can do this in-place */ - - for (i = 0; i < c->to_nchannels; i++) - c->post_format_func(&c->bb_tmp, process_data[i], stride[i], process_data[i], stride[i], *size); - - } else { - size_t k, new_size; - - k = dinterleave ? c->to_sample_size*c->to_nchannels : c->to_sample_size; - new_size = *size / c->work_sample_size * c->to_sample_size; - - for (i = 0; i < c->to_nchannels; i++) { - void *b; - - if (!(b = sa_bbuffer_get(&c->bb_post_format, i, new_size, dinterleave))) - return SA_ERROR_OOM; - - c->post_format_func(&c->bb_tmp, b, k, process_data[i], stride[i], *size); - c->to_process_data[i] = b; - c->to_stride[i] = k; - } - - process_data = c->to_process_data; - stride = c->to_stride; - *size = new_size; - interleave = dinterleave; - is_bounce = 1; - } - } - - if (c->post_byteswap_func) { - - if (is_bounce) { - - /* The data to process is already in a bounce buffer, we - * can do this in-place */ - - for (i = 0; i < c->to_nchannels; i++) - c->post_byteswap_func(process_data[i], stride[i], process_data[i], stride[i], *size); - - } else { - size_t k; - - k = dinterleave ? c->to_sample_size*c->to_nchannels : c->to_sample_size; - - for (i = 0; i < c->to_nchannels; i++) { - void *b; - - if (!(b = sa_bbuffer_get(&c->bb_post_byteswap, i, *size, dinterleave))) - return SA_ERROR_OOM; - - c->post_byteswap_func(b, k, process_data[i], stride[i], *size); - - c->to_process_data[i] = b; - c->to_stride[i] = k; - } - - process_data = c->to_process_data; - stride = c->to_stride; - interleave = dinterleave; - is_bounce = 1; - } - } - -do_interleave: - - if (interleave != dinterleave) { - size_t k; - - k = dinterleave ? c->to_sample_size*c->to_nchannels : c->to_sample_size; - - for (i = 0; i < c->to_nchannels; i++) { - void *b; - - if (!(b = sa_bbuffer_get(&c->bb_interleave, i, *size, dinterleave))) - return SA_ERROR_OOM; - - c->interleave_func(b, k, process_data[i], stride[i], *size); - - c->to_process_data[i] = b; - c->to_stride[i] = k; - } - - process_data = c->to_process_data; - stride = c->to_stride; - interleave = dinterleave; - is_bounce = 1; - } - - *dstr = stride; - *dst = process_data; - - return SA_SUCCESS; -} - -void sa_converter_set_volume(sa_converter_t *c, const int32_t vol[]) { - unsigned i; - int no_volume = 1; - - sa_assert(c); - - for (i = 0; i < c->from_nchannels; i++) { - int num, denom; - - if (vol[i] == 0) { - c->volume_factor[i] = 1; - c->volume_divisor[i] = 1; - } else if (vol[i] <= SA_VOLUME_MUTED) { - c->volume_factor[i] = 0; - c->volume_divisor[i] = 1; - no_volume = 0; - } else { - float f = powf(10.0, (float) vol[i] / 2000); - - sa_continued_fraction(f, 0x7FFF, &num, &denom); - - if (num != 1 || denom != 1) - no_volume = 0; - - c->volume_factor[i] = (int32_t) num; - c->volume_divisor[i] = (int32_t) denom; - } - } - - c->no_volume = no_volume; -} - -int sa_converter_go_interleaved( - sa_converter_t *c, - const void *const data, - void **dst[], size_t *dstr[], int dinterleave, - size_t *size) { - - unsigned i; - const uint8_t *d = data; - unsigned stride = c->from_nchannels * c->from_sample_size; - - for (i = 0; i < c->from_nchannels; i++) { - c->from_process_data[i] = (void*) data; - d += c->from_sample_size; - c->from_stride[i] = stride; - } - - return sa_converter_go(c, (const void *const*) c->from_process_data, c->from_stride, 1, dst, dstr, dinterleave, size); -} - -void sa_converter_set_ratio(sa_converter_t *c, unsigned rate1, unsigned rate2) { - assert(c); - assert(c->speex); - - speex_resampler_set_rate(c->speex, rate1, rate2); -} diff --git a/converter.h b/converter.h deleted file mode 100644 index 8112231..0000000 --- a/converter.h +++ /dev/null @@ -1,82 +0,0 @@ -#ifndef foosydneyconverterhfoo -#define foosydneyconverterhfoo - -#include "sydney.h" -#include "volscale.h" -#include "byteswap.h" -#include "zero.h" -#include "add.h" -#include "bbuffer.h" -#include "resample.h" -#include "format.h" -#include "common.h" -#include "interleave.h" - -typedef struct sa_converter sa_converter_t; - -struct sa_converter { - sa_pcm_format_t from_pcm_format, to_pcm_format; - unsigned from_nchannels, to_nchannels; - unsigned from_rate, to_rate; - - int sum_required; - int remap_required; - - sa_pcm_format_t work_pcm_format; - - size_t from_sample_size, work_sample_size, to_sample_size; - - sa_byteswap_func_t pre_byteswap_func, post_byteswap_func; - sa_format_func_t pre_format_func, post_format_func; - sa_volscale_func_t volscale_func; - sa_zero_func_t zero_func; - sa_add_func_t add_func; - sa_resample_func_t resample_func; - sa_interleave_func_t interleave_func; - - SpeexResamplerState *speex; - - sa_bbuffer_t bb_pre_byteswap, - bb_pre_format, - bb_volscale, - bb_remap, - bb_resample, - bb_post_format, - bb_post_byteswap, - bb_interleave, - bb_tmp; - - void **from_process_data, **to_process_data; - size_t *from_stride, *to_stride; - - int32_t *volume_factor, *volume_divisor; - int no_volume; - - int *channel_map_table; - - void *zero_buffer; - size_t zero_size; -}; - -int sa_converter_init(sa_converter_t *c, const pcm_attrs_t *from, const pcm_attrs_t *to, int dynamic_rate_enabled); -void sa_converter_done(sa_converter_t *c); - -int sa_converter_go( - sa_converter_t *c, - const void *const src[], const size_t sstr[], int sinterleave, - void **dst[], size_t *dstr[], int dinterleave, - size_t *size); - -int sa_converter_go_interleaved( - sa_converter_t *c, - const void *const data, - void **dst[], size_t *dstr[], int dinterleave, - size_t *size); - -void sa_converter_set_volume(sa_converter_t *c, const int32_t vol[]); - -void sa_converter_set_ratio(sa_converter_t *c, unsigned rate1, unsigned rate2); - -void* sa_converter_get_zero_buffer(sa_converter_t *c, size_t size); - -#endif diff --git a/driver.h b/driver.h deleted file mode 100644 index be5d4b8..0000000 --- a/driver.h +++ /dev/null @@ -1,34 +0,0 @@ -#ifndef foodriverhfoo -#define foodriverhfoo - -#include "sydney.h" - -int driver_open(sa_stream_t *dev); -int driver_destroy(sa_stream_t *dev); - -int driver_start_thread(sa_stream_t *dev, sa_event_callback_t callback); -int driver_stop_thread(sa_stream_t *dev); - -int driver_change_device(sa_stream_t *dev, const char *device_name); -int driver_change_read_volume(sa_stream_t *dev, const int32_t vol[]); -int driver_change_write_volume(sa_stream_t *dev, const int32_t vol[]); -int driver_change_rate(sa_stream_t *dev, unsigned rate); -int driver_change_meta_data(sa_stream_t *dev, const char *name, const void *data, size_t size); - -int driver_get_state(sa_stream_t *dev, sa_state_t *state); -int driver_get_position(sa_stream_t *dev, sa_position_t position, int64_t *pos); - -int driver_read(sa_stream_t *dev, void *data, size_t nbytes); -int driver_read_ni(sa_stream_t *dev, unsigned channel, void *data, size_t nbytes); - -int driver_pwrite(sa_stream_t *dev, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence); -int driver_pwrite_ni(sa_stream_t *dev, unsigned channel, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence); - -int driver_get_read_size(sa_stream_t *dev, size_t *size); -int driver_get_write_size(sa_stream_t *dev, size_t *size); - -int driver_resume(sa_stream_t *dev); -int driver_pause(sa_stream_t *dev); -int driver_drain(sa_stream_t *dev); - -#endif diff --git a/format.c b/format.c deleted file mode 100644 index f7a8755..0000000 --- a/format.c +++ /dev/null @@ -1,438 +0,0 @@ -#include -#include - -#include - -#include "format.h" -#include "g711.h" -#include "macro.h" - -/* u8 --> */ - -static int format_u8_to_s16(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - int16_t d = -0x80, f = 0x100; - - oil_conv_s16_u8(dst, dstr, src, sstr, bytes); - oil_scalaradd_s16(dst, dstr, dst, dstr, &d, bytes); - oil_scalarmult_s16(dst, dstr, dst, dstr, &f, bytes); - - return SA_SUCCESS; -} - -static int format_u8_to_s32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - int32_t d = -0x80, f = 0x1000000; - - oil_conv_s16_u8(dst, dstr, src, sstr, bytes); - oil_scalaradd_s32(dst, dstr, dst, dstr, &d, bytes); - oil_scalarmult_s32(dst, dstr, dst, dstr, &f, bytes); - - return SA_SUCCESS; -} - -static int format_u8_to_f32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - float d = -0x80, f = 1.0/0x7F; - - oil_conv_f32_u8(dst, dstr, src, sstr, bytes); - oil_scalaradd_f32(dst, dstr, dst, dstr, &d, bytes); - oil_scalarmult_f32(dst, dstr, dst, dstr, &f, bytes); - - return SA_SUCCESS; -} - -/* ulaw --> */ - -static int format_ulaw_to_s16(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - int16_t *d = dst; - const uint8_t *s = src; - - for (; bytes > 0; bytes --, d += dstr/sizeof(int16_t), s += sstr) - *d = sa_ulaw2linear16(*s); - - return SA_SUCCESS; -} - -static int format_ulaw_to_s32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - int32_t *d = dst; - const uint8_t *s = src; - - for (; bytes > 0; bytes --, d += dstr/sizeof(int32_t), s += sstr) - *d = (int32_t) sa_ulaw2linear16(*s) * 0x10000; - - return SA_SUCCESS; -} - -static int format_ulaw_to_f32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - float *d = dst; - const uint8_t *s = src; - - for (; bytes > 0; bytes --, d += dstr/sizeof(float), s += sstr) - *d = sa_ulaw2linear16(*s * 1.0F / 0x7FFF); - - return SA_SUCCESS; -} - -/* alaw --> */ - -static int format_alaw_to_s16(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - int16_t *d = dst; - const uint8_t *s = src; - - for (; bytes > 0; bytes --, d += dstr/sizeof(int16_t), s += sstr) - *d = sa_alaw2linear16(*s); - - return SA_SUCCESS; -} - -static int format_alaw_to_s32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - int32_t *d = dst; - const uint8_t *s = src; - - for (; bytes > 0; bytes --, d += dstr/sizeof(int32_t), s += sstr) - *d = (int32_t) sa_alaw2linear16(*(s++)) * 0x10000; - - return SA_SUCCESS; -} - -static int format_alaw_to_f32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - float *d = dst; - const uint8_t *s = src; - - for (; bytes > 0; bytes --, d += dstr/sizeof(float), s += sstr) - *d = sa_alaw2linear16(*(s++) * 1.0F / 0x7FFF); - - return SA_SUCCESS; -} - -/* s16 --> */ - -static int format_s16_to_u8(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - uint8_t *d = dst; - const int16_t *s = src; - unsigned n = bytes/sizeof(int16_t); - - for (; n > 0; n--, d += dstr, s += sstr/sizeof(int16_t)) - *d = (uint8_t) (*s / 0x100 + 0x80); - - return SA_SUCCESS; -} - -static int format_s16_to_ulaw(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - uint8_t *d = dst; - const int16_t *s = src; - unsigned n = bytes/sizeof(int16_t); - - for (; n > 0; n --, d += dstr, s += sstr/sizeof(int16_t)) - *d = sa_14linear2ulaw(*s); - - return SA_SUCCESS; -} - -static int format_s16_to_alaw(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - uint8_t *d = dst; - const int16_t *s = src; - unsigned n = bytes/sizeof(int16_t); - - for (; n > 0; n --, d += dstr, s += sstr/sizeof(int16_t)) - *d = sa_13linear2alaw(*s); - - return SA_SUCCESS; -} - -static int format_s16_to_s32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - int f = 0x10000; - unsigned n = bytes/sizeof(int16_t); - - oil_conv_s32_s16(dst, dstr, src, sstr, n); - oil_scalarmult_s32(dst, dstr, dst, dstr, &f, n); - - return SA_SUCCESS; -} - -static int format_s16_to_f32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - float f = 1.0/0x7ffff; - unsigned n = bytes/sizeof(int16_t); - - oil_conv_f32_s16(dst, dstr, src, sstr, n); - oil_scalarmult_f32(dst, dstr, dst, dstr, &f, n); - - return SA_SUCCESS; -} - -/* s24 --> */ - -static int format_s24_to_s32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - int32_t *d = dst; - const uint8_t *s = src; - unsigned n = bytes/3; - - for (; n > 0; n--, d += dstr/sizeof(int32_t), s += sstr/3) -#if defined(SA_LITTLE_ENDIAN) - *d = (int32_t) ((int8_t) s[2]) * 0x1000000 + s[1] * 0x10000 + s[0] * 0x100; -#elif defined(SA_BIG_ENDIAN) - *d = (int32_t) ((int8_t) s[0]) * 0x1000000 + s[1] * 0x10000 + s[2] * 0x100; -#else -#error "Unknown byte order" -#endif - - return SA_SUCCESS; -} - -static int format_s24_to_f32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - float *d = dst; - const uint8_t *s = src; - unsigned n = bytes/3; - - for (; n > 0; n--, d += dstr/sizeof(float), s += sstr/3) -#if defined(SA_LITTLE_ENDIAN) - *d = ((float) ((int8_t) s[2]) * 0x10000 + s[1] * 0x100 + s[0]) / 0x7fffff; -#elif defined(SA_BIG_ENDIAN) - *d = ((float) ((int8_t) s[0]) * 0x10000 + s[1] * 0x100 + s[2]) / 0x7fffff; -#else -#error "Unknown byte order" -#endif - - return SA_SUCCESS; -} - -/* s32 --> */ - -static int format_s32_to_u8(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - uint8_t *d = dst; - const int32_t *s = src; - unsigned n = bytes/sizeof(int32_t); - - for (; n > 0; n--, d += dstr, s += sstr/sizeof(int32_t)) - *d = (uint8_t) (*s / 0x1000000 + 0x80); - - return SA_SUCCESS; -} - -static int format_s32_to_ulaw(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - uint8_t *d = dst; - const int32_t *s = src; - unsigned n = bytes/sizeof(int32_t); - - for (; n > 0; n--, d += dstr, s += sstr/sizeof(int32_t)) - *d = sa_14linear2ulaw(*s / 0x10000); - - return SA_SUCCESS; -} - -static int format_s32_to_alaw(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - uint8_t *d = dst; - const int32_t *s = src; - unsigned n = bytes/sizeof(int32_t); - - for (; n > 0; n--, d += dstr, s += sstr/sizeof(int32_t)) - *d = sa_13linear2alaw(*s / 0x10000); - - return SA_SUCCESS; -} - -static int format_s32_to_s16(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - int16_t *d = dst; - const int32_t *s = src; - unsigned n = bytes/sizeof(int32_t); - - for (; n > 0; n--, d += dstr/sizeof(int16_t), s += sstr/sizeof(int32_t)) - *d = (int16_t) (*s / 0x10000); - - return SA_SUCCESS; -} - -static int format_s32_to_s24(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - uint8_t *d = dst; - const int32_t *s = src; - unsigned n = bytes/sizeof(float); - - for (; n > 0; n--, d += dstr/3, s += sstr/sizeof(int32_t)) { - uint32_t j = (uint32_t) (*s) >> 8; - -#if defined(SA_LITTLE_ENDIAN) - d[0] = j & 0xFF; - d[1] = (j >> 8) & 0xFF; - d[2] = (j >> 16); -#elif defined(SA_BIG_ENDIAN) - d[2] = j & 0xFF; - d[1] = (j >> 8) & 0xFF; - d[0] = (j >> 16); -#else -#error "Unknown byte order" -#endif - } - - return SA_SUCCESS; -} - -static int format_s32_to_f32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - float f = 1.0/0x7fffffff; - unsigned n = bytes/sizeof(int32_t); - - oil_conv_f32_s32(dst, dstr, src, sstr, n); - oil_scalarmult_f32(dst, dstr, dst, dstr, &f, n); - - return SA_SUCCESS; -} - -/* f32 --> */ - -static int format_f32_to_u8(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - uint8_t *d = dst; - const float *s = src; - float *buf; - float f = 0x7F, p = 0x80; - unsigned n = bytes/sizeof(float); - - if (!(buf = sa_bbuffer_get(b, 0, bytes, 1))) - return SA_ERROR_OOM; - - oil_scalarmult_f32(buf, sizeof(float), s, sstr, &f, n); - oil_scalaradd_f32(buf, sizeof(float), buf, sizeof(float), &p, n); - oil_clipconv_u8_f32(d, dstr, buf, sizeof(float), n); - - return SA_SUCCESS; -} - -static int format_f32_to_ulaw(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - uint8_t *d = dst; - const float *s = src; - unsigned n = bytes/sizeof(float); - - for (; n > 0; n --, d += dstr, s += sstr/sizeof(float)) { - float v = *s * 0x7FFF; - if (v < -0x8000) v = -0x8000; - if (v > -0x7FFF) v = -0x7FFF; - *d = sa_13linear2alaw((int16_t) v); - } - - return SA_SUCCESS; -} - -static int format_f32_to_alaw(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - uint8_t *d = dst; - const float *s = src; - unsigned n = bytes/sizeof(float); - - for (; n > 0; n --, d += dstr, s += sstr/sizeof(float)) { - float v = *s * 0x7FFF; - if (v < -0x8000) v = -0x8000; - if (v > -0x7FFF) v = -0x7FFF; - *d = sa_13linear2alaw((int16_t) v); - } - - return SA_SUCCESS; -} - -static int format_f32_to_s16(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - int16_t *d = dst; - const float *s = src; - float *buf; - float f = 0x7FFF; - unsigned n = bytes/sizeof(float); - - if (!(buf = sa_bbuffer_get(b, 0, bytes, 1))) - return SA_ERROR_OOM; - - oil_scalarmult_f32(buf, sizeof(float), s, sstr, &f, n); - oil_clipconv_s16_f32(d, dstr, buf, sizeof(float), n); - - return SA_SUCCESS; -} - -static int format_f32_to_s24(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - uint8_t *d = dst; - const float *s = src; - unsigned n = bytes/sizeof(float); - - for (; n > 0; n--, d += dstr/3, s += sstr/sizeof(float)) { - float f = *s / 0x7fffff; - uint32_t j; - - if (f > 0x7fffff) f = 0x7fffff; - if (f < -0x800000) f = -0x800000; - - j = (uint32_t) ((int32_t) f); - -#if defined(SA_LITTLE_ENDIAN) - d[0] = j & 0xFF; - d[1] = (j >> 8) & 0xFF; - d[2] = (j >> 16); -#elif defined(SA_BIG_ENDIAN) - d[2] = j & 0xFF; - d[1] = (j >> 8) & 0xFF; - d[0] = (j >> 16); -#else -#error "Unknown byte order" -#endif - } - - return SA_SUCCESS; -} - -static int format_f32_to_s32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { - int32_t *d = dst; - const float *s = src; - float *buf; - float f = 0x7FFFFFFF; - unsigned n = bytes/sizeof(float); - - if (!(buf = sa_bbuffer_get(b, 0, bytes, 1))) - return SA_ERROR_OOM; - - oil_scalarmult_f32(buf, sizeof(float), s, sstr, &f, n); - oil_clipconv_s32_f32(d, dstr, buf, sizeof(float), n); - - return SA_SUCCESS; -} - -sa_format_func_t sa_get_format_func(sa_pcm_format_t from, sa_pcm_format_t to) { - - /* Rules: we need conversion functions: - * - * 1. from all formats to all "better" work formats - * 2. from all work formats to all "lower" formats - * 3. only for NE types - */ - - static const sa_format_func_t funcs[_SA_PCM_FORMAT_MAX * _SA_PCM_FORMAT_MAX] = { - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_U8 + SA_PCM_FORMAT_S16_NE ] = format_u8_to_s16, /* done */ - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_U8 + SA_PCM_FORMAT_S32_NE ] = format_u8_to_s32, /* done */ - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_U8 + SA_PCM_FORMAT_FLOAT32_NE] = format_u8_to_f32, /* done */ - - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_ULAW + SA_PCM_FORMAT_S16_NE ] = format_ulaw_to_s16, /* done, no liboil */ - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_ULAW + SA_PCM_FORMAT_S32_NE ] = format_ulaw_to_s32, /* done, no liboil */ - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_ULAW + SA_PCM_FORMAT_FLOAT32_NE] = format_ulaw_to_f32, /* done, no liboil */ - - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_ALAW + SA_PCM_FORMAT_S16_NE ] = format_alaw_to_s16, /* done, no liboil */ - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_ALAW + SA_PCM_FORMAT_S32_NE ] = format_alaw_to_s32, /* done, no liboil */ - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_ALAW + SA_PCM_FORMAT_FLOAT32_NE] = format_alaw_to_f32, /* done, no liboil */ - - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S16_NE + SA_PCM_FORMAT_U8 ] = format_s16_to_u8, /* done, no liboil */ - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S16_NE + SA_PCM_FORMAT_ULAW ] = format_s16_to_ulaw, /* done, no liboil */ - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S16_NE + SA_PCM_FORMAT_ALAW ] = format_s16_to_alaw, /* done, no liboil */ - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S16_NE + SA_PCM_FORMAT_S32_NE ] = format_s16_to_s32, /* done */ - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S16_NE + SA_PCM_FORMAT_FLOAT32_NE] = format_s16_to_f32, /* done */ - - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S24_NE + SA_PCM_FORMAT_S32_NE ] = format_s24_to_s32, /* done, no liboil */ - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S24_NE + SA_PCM_FORMAT_FLOAT32_NE] = format_s24_to_f32, /* done, no liboil */ - - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S32_NE + SA_PCM_FORMAT_U8 ] = format_s32_to_u8, /* done, no liboil */ - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S32_NE + SA_PCM_FORMAT_ULAW ] = format_s32_to_ulaw, /* done, no liboil */ - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S32_NE + SA_PCM_FORMAT_ALAW ] = format_s32_to_alaw, /* done, no liboil */ - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S32_NE + SA_PCM_FORMAT_S16_NE ] = format_s32_to_s16, /* done, no liboil */ - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S32_NE + SA_PCM_FORMAT_S24_NE ] = format_s32_to_s24, /* done, no liboil */ - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S32_NE + SA_PCM_FORMAT_FLOAT32_NE] = format_s32_to_f32, /* done, but suboptimal */ - - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_FLOAT32_NE + SA_PCM_FORMAT_U8 ] = format_f32_to_u8, /* done */ - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_FLOAT32_NE + SA_PCM_FORMAT_ULAW ] = format_f32_to_ulaw, /* done, no liboil */ - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_FLOAT32_NE + SA_PCM_FORMAT_ALAW ] = format_f32_to_alaw, /* done, no liboil */ - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_FLOAT32_NE + SA_PCM_FORMAT_S16_NE ] = format_f32_to_s16, /* done */ - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_FLOAT32_NE + SA_PCM_FORMAT_S24_NE ] = format_f32_to_s24, /* done, no liboil */ - [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_FLOAT32_NE + SA_PCM_FORMAT_S32_NE ] = format_f32_to_s32, /* done, but suboptimal */ - }; - - sa_assert(from < _SA_PCM_FORMAT_MAX); - sa_assert(to < _SA_PCM_FORMAT_MAX); - - return funcs[from * _SA_PCM_FORMAT_MAX + to]; -} diff --git a/format.h b/format.h deleted file mode 100644 index 91caf25..0000000 --- a/format.h +++ /dev/null @@ -1,13 +0,0 @@ -#ifndef foosydneyformathfoo -#define foosydneyformathfoo - -#include - -#include "sydney.h" -#include "bbuffer.h" - -typedef int (*sa_format_func_t) (sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes); - -sa_format_func_t sa_get_format_func(sa_pcm_format_t from, sa_pcm_format_t to); - -#endif diff --git a/g711.c b/g711.c deleted file mode 100644 index df76ac7..0000000 --- a/g711.c +++ /dev/null @@ -1,2531 +0,0 @@ -/* - * This source code is a product of Sun Microsystems, Inc. and is provided - * for unrestricted use. Users may copy or modify this source code without - * charge. - * - * SUN SOURCE CODE IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING - * THE WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR - * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. - * - * Sun source code is provided with no support and without any obligation on - * the part of Sun Microsystems, Inc. to assist in its use, correction, - * modification or enhancement. - * - * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE - * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY THIS SOFTWARE - * OR ANY PART THEREOF. - * - * In no event will Sun Microsystems, Inc. be liable for any lost revenue - * or profits or other special, indirect and consequential damages, even if - * Sun has been advised of the possibility of such damages. - * - * Sun Microsystems, Inc. - * 2550 Garcia Avenue - * Mountain View, California 94043 - */ - -/* - * g711.c - * - * u-law, A-law and linear PCM conversions. - */ - -/* - * December 30, 1994: - * Functions linear2alaw, linear2ulaw have been updated to correctly - * convert unquantized 16 bit values. - * Tables for direct u- to A-law and A- to u-law conversions have been - * corrected. - * Borge Lindberg, Center for PersonKommunikation, Aalborg University. - * bli@cpk.auc.dk - * - */ - -#include "g711.h" - -#define SIGN_BIT (0x80) /* Sign bit for a A-law byte. */ -#define QUANT_MASK (0xf) /* Quantization field mask. */ -#define NSEGS (8) /* Number of A-law segments. */ -#define SEG_SHIFT (4) /* Left shift for segment number. */ -#define SEG_MASK (0x70) /* Segment field mask. */ - -#if !defined(FAST_ALAW_CONVERSION) || !defined(FAST_ULAW_CONVERSION) -static int16_t seg_aend[8] = {0x1F, 0x3F, 0x7F, 0xFF, - 0x1FF, 0x3FF, 0x7FF, 0xFFF}; -static int16_t seg_uend[8] = {0x3F, 0x7F, 0xFF, 0x1FF, - 0x3FF, 0x7FF, 0xFFF, 0x1FFF}; - -static int16_t search( - int16_t val, - int16_t *table, - int size) -{ - int i; - - for (i = 0; i < size; i++) { - if (val <= *table++) - return (i); - } - return (size); -} -#endif /* !FAST_*_CONVERSION */ - -#ifndef FAST_ALAW_CONVERSION -/* - * linear2alaw() accepts an 13-bit signed integer and encodes it as A-law data - * stored in a unsigned char. This function should only be called with - * the data shifted such that it only contains information in the lower - * 13-bits. - * - * Linear Input Code Compressed Code - * ------------------------ --------------- - * 0000000wxyza 000wxyz - * 0000001wxyza 001wxyz - * 000001wxyzab 010wxyz - * 00001wxyzabc 011wxyz - * 0001wxyzabcd 100wxyz - * 001wxyzabcde 101wxyz - * 01wxyzabcdef 110wxyz - * 1wxyzabcdefg 111wxyz - * - * For further information see John C. Bellamy's Digital Telephony, 1982, - * John Wiley & Sons, pps 98-111 and 472-476. - */ -unsigned char sa_13linear2alaw( - int16_t pcm_val) /* 2's complement (13-bit range) */ -{ - int16_t mask; - short seg; - unsigned char aval; - - /* Have calling software do it since its already doing a shift - * from 32-bits down to 16-bits. - */ - /* pcm_val = pcm_val >> 3; */ - - /* A-law using even bit inversion */ - if (pcm_val >= 0) { - mask = 0xD5; /* sign (7th) bit = 1 */ - } else { - mask = 0x55; /* sign bit = 0 */ - pcm_val = -pcm_val - 1; - } - - /* Convert the scaled magnitude to segment number. */ - seg = search(pcm_val, seg_aend, 8); - - /* Combine the sign, segment, and quantization bits. */ - - if (seg >= 8) /* out of range, return maximum value. */ - return (unsigned char) (0x7F ^ mask); - else { - aval = (unsigned char) seg << SEG_SHIFT; - if (seg < 2) - aval |= (pcm_val >> 1) & QUANT_MASK; - else - aval |= (pcm_val >> seg) & QUANT_MASK; - return (aval ^ mask); - } -} - -/* - * alaw2linear() - Convert an A-law value to 16-bit signed linear PCM - * - */ -int16_t sa_alaw2linear16( - unsigned char a_val) -{ - int16_t t; - int16_t seg; - - a_val ^= 0x55; - - t = (a_val & QUANT_MASK) << 4; - seg = ((unsigned)a_val & SEG_MASK) >> SEG_SHIFT; - switch (seg) { - case 0: - t += 8; - break; - case 1: - t += 0x108; - break; - default: - t += 0x108; - t <<= seg - 1; - } - return ((a_val & SIGN_BIT) ? t : -t); -} -#endif /* !FAST_ALAW_CONVERSION */ - -#define BIAS (0x84) /* Bias for linear code. */ -#define CLIP 8159 - -#ifndef FAST_ULAW_CONVERSION -/* - * linear2ulaw() accepts a 14-bit signed integer and encodes it as u-law data - * stored in a unsigned char. This function should only be called with - * the data shifted such that it only contains information in the lower - * 14-bits. - * - * In order to simplify the encoding process, the original linear magnitude - * is biased by adding 33 which shifts the encoding range from (0 - 8158) to - * (33 - 8191). The result can be seen in the following encoding table: - * - * Biased Linear Input Code Compressed Code - * ------------------------ --------------- - * 00000001wxyza 000wxyz - * 0000001wxyzab 001wxyz - * 000001wxyzabc 010wxyz - * 00001wxyzabcd 011wxyz - * 0001wxyzabcde 100wxyz - * 001wxyzabcdef 101wxyz - * 01wxyzabcdefg 110wxyz - * 1wxyzabcdefgh 111wxyz - * - * Each biased linear code has a leading 1 which identifies the segment - * number. The value of the segment number is equal to 7 minus the number - * of leading 0's. The quantization interval is directly available as the - * four bits wxyz. * The trailing bits (a - h) are ignored. - * - * Ordinarily the complement of the resulting code word is used for - * transmission, and so the code word is complemented before it is returned. - * - * For further information see John C. Bellamy's Digital Telephony, 1982, - * John Wiley & Sons, pps 98-111 and 472-476. - */ -unsigned char sa_14linear2ulaw( - int16_t pcm_val) /* 2's complement (14-bit range) */ -{ - int16_t mask; - int16_t seg; - unsigned char uval; - - /* Have calling software do it since its already doing a shift - * from 32-bits down to 16-bits. - */ - /* pcm_val = pcm_val >> 2; */ - - /* u-law inverts all bits */ - /* Get the sign and the magnitude of the value. */ - if (pcm_val < 0) { - pcm_val = -pcm_val; - mask = 0x7F; - } else { - mask = 0xFF; - } - if ( pcm_val > CLIP ) pcm_val = CLIP; /* clip the magnitude */ - pcm_val += (BIAS >> 2); - - /* Convert the scaled magnitude to segment number. */ - seg = search(pcm_val, seg_uend, 8); - - /* - * Combine the sign, segment, quantization bits; - * and complement the code word. - */ - if (seg >= 8) /* out of range, return maximum value. */ - return (unsigned char) (0x7F ^ mask); - else { - uval = (unsigned char) (seg << 4) | ((pcm_val >> (seg + 1)) & 0xF); - return (uval ^ mask); - } - -} - -/* - * ulaw2linear() - Convert a u-law value to 16-bit linear PCM - * - * First, a biased linear code is derived from the code word. An unbiased - * output can then be obtained by subtracting 33 from the biased code. - * - * Note that this function expects to be passed the complement of the - * original code word. This is in keeping with ISDN conventions. - */ -int16_t sa_ulaw2linear16( - unsigned char u_val) -{ - int16_t t; - - /* Complement to obtain normal u-law value. */ - u_val = ~u_val; - - /* - * Extract and bias the quantization bits. Then - * shift up by the segment number and subtract out the bias. - */ - t = ((u_val & QUANT_MASK) << 3) + BIAS; - t <<= ((unsigned)u_val & SEG_MASK) >> SEG_SHIFT; - - return ((u_val & SIGN_BIT) ? (BIAS - t) : (t - BIAS)); -} -#endif /* !FAST_ULAW_CONVERSION */ - -#ifdef FAST_ALAW_CONVERSION - -int16_t _sa_alaw2linear16[256] = { - -5504, -5248, -6016, -5760, -4480, -4224, -4992, - -4736, -7552, -7296, -8064, -7808, -6528, -6272, - -7040, -6784, -2752, -2624, -3008, -2880, -2240, - -2112, -2496, -2368, -3776, -3648, -4032, -3904, - -3264, -3136, -3520, -3392, -22016, -20992, -24064, - -23040, -17920, -16896, -19968, -18944, -30208, -29184, - -32256, -31232, -26112, -25088, -28160, -27136, -11008, - -10496, -12032, -11520, -8960, -8448, -9984, -9472, - -15104, -14592, -16128, -15616, -13056, -12544, -14080, - -13568, -344, -328, -376, -360, -280, -264, - -312, -296, -472, -456, -504, -488, -408, - -392, -440, -424, -88, -72, -120, -104, - -24, -8, -56, -40, -216, -200, -248, - -232, -152, -136, -184, -168, -1376, -1312, - -1504, -1440, -1120, -1056, -1248, -1184, -1888, - -1824, -2016, -1952, -1632, -1568, -1760, -1696, - -688, -656, -752, -720, -560, -528, -624, - -592, -944, -912, -1008, -976, -816, -784, - -880, -848, 5504, 5248, 6016, 5760, 4480, - 4224, 4992, 4736, 7552, 7296, 8064, 7808, - 6528, 6272, 7040, 6784, 2752, 2624, 3008, - 2880, 2240, 2112, 2496, 2368, 3776, 3648, - 4032, 3904, 3264, 3136, 3520, 3392, 22016, - 20992, 24064, 23040, 17920, 16896, 19968, 18944, - 30208, 29184, 32256, 31232, 26112, 25088, 28160, - 27136, 11008, 10496, 12032, 11520, 8960, 8448, - 9984, 9472, 15104, 14592, 16128, 15616, 13056, - 12544, 14080, 13568, 344, 328, 376, 360, - 280, 264, 312, 296, 472, 456, 504, - 488, 408, 392, 440, 424, 88, 72, - 120, 104, 24, 8, 56, 40, 216, - 200, 248, 232, 152, 136, 184, 168, - 1376, 1312, 1504, 1440, 1120, 1056, 1248, - 1184, 1888, 1824, 2016, 1952, 1632, 1568, - 1760, 1696, 688, 656, 752, 720, 560, - 528, 624, 592, 944, 912, 1008, 976, - 816, 784, 880, 848 -}; - -uint8_t _sa_13linear2alaw[0x2000] = { - 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, - 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, - 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, - 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1628, 1564, 1500, 1436, 1372, 1308, 1244, - 1180, 1116, 1052, 988, 924, 876, 844, - 812, 780, 748, 716, 684, 652, 620, - 588, 556, 524, 492, 460, 428, 396, - 372, 356, 340, 324, 308, 292, 276, - 260, 244, 228, 212, 196, 180, 164, - 148, 132, 120, 112, 104, 96, 88, - 80, 72, 64, 56, 48, 40, 32, - 24, 16, 8, 0 -}; - -uint8_t _sa_14linear2ulaw[0x4000] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 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0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, - 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, - 0x81, 0x81, 0x81, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, - 0x80, 0x80, 0x80, 0x80 -}; - -#endif /* FAST_ULAW_CONVERSION */ - -/* The following code was used to generate the lookup tables */ -#if 0 -int main() -{ - int x, y, find2a = 0; - - y = 0; - printf("int16_t _st_alaw2linear16[256] = {\n "); - for (x = 0; x < 256; x++) - { - printf("%8d,", st_alaw2linear16(x)); - y++; - if (y == 7) - { - y = 0; - printf("\n "); - } - } - - printf("\n};\n\nuint8_t _st_13linear2alaw[0x2000] = {\n "); - y = 0; - for (x = 0; x < 0x2000; x++) - { - printf(" 0x%02x,", st_13linear2alaw((-0x1000)+x)); - y++; - if (y == 12) - { - y = 0; - printf("\n "); - } - } - - printf("\n};\n\nint16_t _st_ulaw2linear16[256] = {\n "); - y = 0; - for (x = 0; x < 256; x++) - { - printf("%8d,", st_ulaw2linear16(x)); - y++; - if (y == 7) - { - y = 0; - printf("\n "); - } - } - - printf("\n};\n\nuint8_t _st_14linear2ulaw[0x4000] = {\n "); - y = 0; - for (x = 0; x < 0x4000; x++) - { - printf(" 0x%02x,", st_14linear2ulaw((-0x2000)+x)); - y++; - if (y == 12) - { - y = 0; - printf("\n "); - } - } - printf("\n};\n"); - -} -#endif - -/* The following is not used by SoX but kept for reference */ -#if 0 -/* copy from CCITT G.711 specifications */ -unsigned char _u2a[128] = { /* u- to A-law conversions */ - 1, 1, 2, 2, 3, 3, 4, 4, - 5, 5, 6, 6, 7, 7, 8, 8, - 9, 10, 11, 12, 13, 14, 15, 16, - 17, 18, 19, 20, 21, 22, 23, 24, - 25, 27, 29, 31, 33, 34, 35, 36, - 37, 38, 39, 40, 41, 42, 43, 44, - 46, 48, 49, 50, 51, 52, 53, 54, - 55, 56, 57, 58, 59, 60, 61, 62, - 64, 65, 66, 67, 68, 69, 70, 71, - 72, 73, 74, 75, 76, 77, 78, 79, -/* corrected: - 81, 82, 83, 84, 85, 86, 87, 88, - should be: */ - 80, 82, 83, 84, 85, 86, 87, 88, - 89, 90, 91, 92, 93, 94, 95, 96, - 97, 98, 99, 100, 101, 102, 103, 104, - 105, 106, 107, 108, 109, 110, 111, 112, - 113, 114, 115, 116, 117, 118, 119, 120, - 121, 122, 123, 124, 125, 126, 127, 128}; - -unsigned char _a2u[128] = { /* A- to u-law conversions */ - 1, 3, 5, 7, 9, 11, 13, 15, - 16, 17, 18, 19, 20, 21, 22, 23, - 24, 25, 26, 27, 28, 29, 30, 31, - 32, 32, 33, 33, 34, 34, 35, 35, - 36, 37, 38, 39, 40, 41, 42, 43, - 44, 45, 46, 47, 48, 48, 49, 49, - 50, 51, 52, 53, 54, 55, 56, 57, - 58, 59, 60, 61, 62, 63, 64, 64, - 65, 66, 67, 68, 69, 70, 71, 72, -/* corrected: - 73, 74, 75, 76, 77, 78, 79, 79, - should be: */ - 73, 74, 75, 76, 77, 78, 79, 80, - - 80, 81, 82, 83, 84, 85, 86, 87, - 88, 89, 90, 91, 92, 93, 94, 95, - 96, 97, 98, 99, 100, 101, 102, 103, - 104, 105, 106, 107, 108, 109, 110, 111, - 112, 113, 114, 115, 116, 117, 118, 119, - 120, 121, 122, 123, 124, 125, 126, 127}; - -/* A-law to u-law conversion */ -unsigned char sa_alaw2ulaw( - unsigned char aval) -{ - aval &= 0xff; - return (unsigned char) ((aval & 0x80) ? (0xFF ^ _a2u[aval ^ 0xD5]) : - (0x7F ^ _a2u[aval ^ 0x55])); -} - -/* u-law to A-law conversion */ -unsigned char sa_ulaw2alaw( - unsigned char uval) -{ - uval &= 0xff; - return (unsigned char) ((uval & 0x80) ? (0xD5 ^ (_u2a[0xFF ^ uval] - 1)) : - (unsigned char) (0x55 ^ (_u2a[0x7F ^ uval] - 1))); -} -#endif diff --git a/g711.h b/g711.h deleted file mode 100644 index ef43e3f..0000000 --- a/g711.h +++ /dev/null @@ -1,40 +0,0 @@ -#ifndef foosydneyg711hfoo -#define foosydneyg711hfoo - -/* g711.h - include for G711 u-law and a-law conversion routines -** -** Copyright (C) 2001 Chris Bagwell -** -** Permission to use, copy, modify, and distribute this software and its -** documentation for any purpose and without fee is hereby granted, provided -** that the above copyright notice appear in all copies and that both that -** copyright notice and this permission notice appear in supporting -** documentation. This software is provided "as is" without express or -** implied warranty. -*/ - -/** Copied from sox */ - -#include - -#ifdef FAST_ALAW_CONVERSION -extern uint8_t _sa_13linear2alaw[0x2000]; -extern int16_t _sa_alaw2linear16[256]; -#define sa_13linear2alaw(sw) (_sa_13linear2alaw[(sw + 0x1000)]) -#define sa_alaw2linear16(uc) (_sa_alaw2linear16[uc]) -#else -unsigned char sa_13linear2alaw(int16_t pcm_val); -int16_t sa_alaw2linear16(unsigned char); -#endif - -#ifdef FAST_ULAW_CONVERSION -extern uint8_t _sa_14linear2ulaw[0x4000]; -extern int16_t _sa_ulaw2linear16[256]; -#define sa_14linear2ulaw(sw) (_sa_14linear2ulaw[(sw + 0x2000)]) -#define sa_ulaw2linear16(uc) (_sa_ulaw2linear16[uc]) -#else -unsigned char sa_14linear2ulaw(int16_t pcm_val); -int16_t sa_ulaw2linear16(unsigned char); -#endif - -#endif diff --git a/interleave.c b/interleave.c deleted file mode 100644 index d0470f7..0000000 --- a/interleave.c +++ /dev/null @@ -1,64 +0,0 @@ -#include - -#include "macro.h" -#include "interleave.h" - -static void interleave8(void *_dst, size_t dstr, const void *_src, size_t sstr, size_t bytes) { - uint8_t *dst = _dst; - const uint8_t *src = _src; - - for (; bytes > 0; bytes--, src += sstr, dst += dstr) - *dst = *src; -} - -static void interleave16(void *_dst, size_t dstr, const void *_src, size_t sstr, size_t bytes) { - uint16_t *dst = _dst; - const uint16_t *src = _src; - unsigned n = bytes / sizeof(uint16_t); - - for (; n > 0; n--, src += sstr/sizeof(uint16_t), dst += dstr/sizeof(uint16_t)) - *dst = *src; -} - -static void interleave24(void *_dst, size_t dstr, const void *_src, size_t sstr, size_t bytes) { - uint8_t *dst = _dst; - const uint8_t *src = _src; - unsigned n = bytes / 3; - - for (; n > 0; n--, src += sstr/3, dst += dstr/3) { - dst[0] = src[0]; - dst[1] = src[1]; - dst[2] = src[2]; - } -} - -static void interleave32(void *_dst, size_t dstr, const void *_src, size_t sstr, size_t bytes) { - uint32_t *dst = _dst; - const uint32_t *src = _src; - unsigned n = bytes / sizeof(uint32_t); - - for (; n > 0; n--, src += sstr/sizeof(uint32_t), dst += dstr/sizeof(uint32_t)) - *dst = *src; -} - -sa_interleave_func_t sa_get_interleave_func(sa_pcm_format_t f) { - - static const sa_interleave_func_t funcs[_SA_PCM_FORMAT_MAX] = { - [SA_PCM_FORMAT_U8] = interleave8, - [SA_PCM_FORMAT_ULAW] = interleave8, - [SA_PCM_FORMAT_ALAW] = interleave8, - [SA_PCM_FORMAT_S16_LE] = interleave16, - [SA_PCM_FORMAT_S16_BE] = interleave16, - [SA_PCM_FORMAT_S24_LE] = interleave24, - [SA_PCM_FORMAT_S24_BE] = interleave24, - [SA_PCM_FORMAT_S32_LE] = interleave32, - [SA_PCM_FORMAT_S32_BE] = interleave32, - [SA_PCM_FORMAT_FLOAT32_LE] = interleave32, - [SA_PCM_FORMAT_FLOAT32_BE] = interleave32, - }; - - sa_assert(f < _SA_PCM_FORMAT_MAX); - - return funcs[f]; -} - diff --git a/interleave.h b/interleave.h deleted file mode 100644 index ed4a527..0000000 --- a/interleave.h +++ /dev/null @@ -1,12 +0,0 @@ -#ifndef foosydneyhinterleavehfoo -#define foosydneyhinterleavehfoo - -#include - -#include "sydney.h" - -typedef void (*sa_interleave_func_t) (void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes); - -sa_interleave_func_t sa_get_interleave_func(sa_pcm_format_t f); - -#endif diff --git a/llist.h b/llist.h deleted file mode 100644 index 3d42218..0000000 --- a/llist.h +++ /dev/null @@ -1,70 +0,0 @@ -#ifndef foosydneyllistfoo -#define foosydneyllistfoo - - -#include "macro.h" - -#define SA_LLIST_HEAD(t,head) t* head - -#define SA_LLIST_ITEM(t,name) t* name##_prev, *name##_next - -#define SA_LLIST_HEAD_INIT(t,head) (head) = (t*) NULL - -#define SA_LLIST_ITEM_INIT(t,name,item) do { \ - t *_item = (item); \ - sa_assert(_item); \ - _item->name##_prev = _item->name##_next = NULL; \ - } while(0) - -#define SA_LLIST_PREPEND(t,name,head,item) do { \ - t **_head = &(head), *_item = (item); \ - sa_assert(_item); \ - if ((_item->name##_next = *_head)) \ - _item->name##_next->name##_prev = _item; \ - _item->name##_prev = NULL; \ - *_head = _item; \ - } while (0) - -#define SA_LLIST_INSERT_BEFORE(t,name,head,at,item) do { \ - t **_head = &(head), *_item = (item), *_at = (at); \ - sa_assert(_item); \ - sa_assert(_at); \ - if ((_item->name##_prev = _at->name##_prev)) { \ - sa_assert(_item->name##_prev->name##_next == _at); \ - _item->name##_prev->name##_next = _item; \ - } else {\ - sa_assert(*_head == _at); \ - *_head = _item; \ - } \ - _item->name##_next = _at; \ - _at->name##_prev = _item; \ - } while (0) - -#define SA_LLIST_INSERT_AFTER(t,name,head,at,item) do { \ - t *_item = (item), *_at = (at); \ - sa_assert(_item); \ - sa_assert(_at); \ - if ((_item->name##_next = _at->name##_next)) { \ - sa_assert(_item->name##_next->name##_prev == _at); \ - _item->name##_next->name##_prev = _item; \ - } \ - _item->name##_prev = _at; \ - _at->name##_next = _item; \ - } while (0) - -#define SA_LLIST_REMOVE(t,name,head,item) do { \ - t **_head = &(head), *_item = (item); \ - sa_assert(_item); \ - if (_item->name##_next) \ - _item->name##_next->name##_prev = _item->name##_prev; \ - if (_item->name##_prev) \ - _item->name##_prev->name##_next = _item->name##_next; \ - else {\ - sa_assert(*_head == _item); \ - *_head = _item->name##_next; \ - } \ - _item->name##_next = _item->name##_prev = NULL; \ - } while(0) - - -#endif diff --git a/macro.h b/macro.h deleted file mode 100644 index d664c3e..0000000 --- a/macro.h +++ /dev/null @@ -1,104 +0,0 @@ -#ifndef foomacrohfoo -#define foomacrohfoo - -#include -#include - -#ifdef __GNUC__ -#define SA_PRETTY_FUNCTION __PRETTY_FUNCTION__ -#else -#define SA_PRETTY_FUNCTION "" -#endif - -#define sa_return_if_fail(expr) \ - do { \ - if (!(expr)) { \ - fprintf(stderr, "%s: Assertion <%s> failed.\n", SA_PRETTY_FUNCTION, #expr ); \ - return; \ - } \ - } while(0) - -#define sa_return_val_if_fail(expr, val) \ - do { \ - if (!(expr)) { \ - fprintf(stderr, "%s: Assertion <%s> failed.\n", SA_PRETTY_FUNCTION, #expr ); \ - return (val); \ - } \ - } while(0) - -#define sa_return_if_fail_mutex(m, expr) \ - do { \ - if (!(expr)) { \ - fprintf(stderr, "%s: Assertion <%s> failed.\n", SA_PRETTY_FUNCTION, #expr ); \ - sa_mutex_unlock(m); \ - return; \ - } \ - } while(0) - -#define sa_return_val_if_fail_mutex(m, expr, val) \ - do { \ - if (!(expr)) { \ - \ - fprintf(stderr, "%s: Assertion <%s> failed.\n", SA_PRETTY_FUNCTION, #expr ); \ - sa_mutex_unlock(m); \ - return (val); \ - } \ - } while(0) - -#define sa_assert assert - -/* An assert which guarantees side effects of x */ -#ifdef NDEBUG -#define sa_assert_se(x) x -#else -#define sa_assert_se(x) sa_assert(x) -#endif - -#define sa_assert_not_reached() sa_assert(!"Should not be reached.") - -#define sa_assert_success(x) do { \ - int _r = (x); \ - sa_assert(_r == 0); \ - } while(0) - -#define SA_ELEMENTSOF(x) (sizeof(x)/sizeof((x)[0])) - -#ifndef MAX -#define MAX(a, b) ((a) > (b) ? (a) : (b)) -#endif - -#ifndef MIN -#define MIN(a, b) ((a) < (b) ? (a) : (b)) -#endif - -#ifndef CLAMP -#define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x))) -#endif - -#ifndef FALSE -#define FALSE (0) -#endif - -#ifndef TRUE -#define TRUE (!FALSE) -#endif - -#define SA_PTR_TO_UINT(p) ((unsigned int) (unsigned long) (p)) -#define SA_UINT_TO_PTR(u) ((void*) (unsigned long) (u)) - -#define SA_PTR_TO_UINT32(p) ((uint32_t) SA_PTR_TO_UINT(p)) -#define SA_UINT32_TO_PTR(u) SA_UINT_TO_PTR((uint32_t) u) - -#define SA_PTR_TO_INT(p) ((int) SA_PTR_TO_UINT(p)) -#define SA_INT_TO_PTR(u) SA_UINT_TO_PTR((int) u) - -#define SA_PTR_TO_INT32(p) ((int32_t) SA_PTR_TO_UINT(p)) -#define SA_INT32_TO_PTR(u) SA_UINT_TO_PTR((int32_t) u) - -static inline size_t sa_align(size_t l) { - return (((l + sizeof(void*) - 1) / sizeof(void*)) * sizeof(void*)); -} - -#define SA_ALIGN(x) (sa_align(x)) - -#endif diff --git a/malloc.c b/malloc.c deleted file mode 100644 index 6a89554..0000000 --- a/malloc.c +++ /dev/null @@ -1,13 +0,0 @@ -#include - -#include "malloc.h" - -void* sa_memdup(const void* p, size_t size) { - void *r; - - if (!(r = sa_malloc(size))) - return NULL; - - memcpy(r, p, size); - return r; -} diff --git a/malloc.h b/malloc.h deleted file mode 100644 index bcaf53e..0000000 --- a/malloc.h +++ /dev/null @@ -1,19 +0,0 @@ -#ifndef foomallochfoo -#define foomallochfoo - -#include -#include - -#define sa_malloc malloc -#define sa_free free -#define sa_malloc0(size) calloc(1, (size)) -#define sa_strdup strdup -#define sa_strndup strndup - -void* sa_memdup(const void* p, size_t size); - -#define sa_new(t, n) ((t*) sa_malloc(sizeof(t)*(n))) -#define sa_new0(t, n) ((t*) sa_malloc0(sizeof(t)*(n))) -#define sa_newdup(t, p, n) ((t*) sa_memdup(p, sizeof(t)*(n))) - -#endif diff --git a/meta-name-table.gperf b/meta-name-table.gperf deleted file mode 100644 index 69db483..0000000 --- a/meta-name-table.gperf +++ /dev/null @@ -1,11 +0,0 @@ -struct meta_name { const char* name; int idx; }; -%% -sydney.client-name, 0 -sydney.process-id, 1 -sydney.language, 2 -sydney.stream-name, 3 -sydney.icon-name, 4 -sydney.icon-png, 5 -sydney.role, 6 -sydney.x11-xid, 7 -sydney.x11-display, 8 diff --git a/mutex.c b/mutex.c deleted file mode 100644 index 12a4f4a..0000000 --- a/mutex.c +++ /dev/null @@ -1,97 +0,0 @@ -#ifdef HAVE_CONFIG_H -#include -#endif - -#include -#include - -#include "macro.h" -#include "malloc.h" -#include "mutex.h" - -struct sa_mutex { - pthread_mutex_t mutex; -}; - -struct sa_cond { - pthread_cond_t cond; -}; - -sa_mutex_t* sa_mutex_new(int recursive) { - sa_mutex_t *m; - pthread_mutexattr_t attr; - - pthread_mutexattr_init(&attr); - - if (recursive) - sa_assert_success(pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE)); - - if (!(m = sa_new(sa_mutex_t, 1))) - return NULL; - - sa_assert_success(pthread_mutex_init(&m->mutex, &attr)); - return m; -} - -void sa_mutex_free(sa_mutex_t *m) { - sa_assert(m); - - sa_assert_success(pthread_mutex_destroy(&m->mutex)); - sa_free(m); -} - -void sa_mutex_lock(sa_mutex_t *m) { - sa_assert(m); - - sa_assert_success(pthread_mutex_lock(&m->mutex)); -} - -int sa_mutex_try_lock(sa_mutex_t *m) { - int e; - sa_assert(m); - - if ((e = pthread_mutex_trylock(&m->mutex)) == 0) - return 1; - - sa_assert(e == EBUSY); - return 0; -} - -void sa_mutex_unlock(sa_mutex_t *m) { - sa_assert(m); - - sa_assert_success(pthread_mutex_unlock(&m->mutex)); -} - -sa_cond_t *sa_cond_new(void) { - sa_cond_t *c; - - if (!(c = sa_new(sa_cond_t, 1))) - return NULL; - - sa_assert_success(pthread_cond_init(&c->cond, NULL)); - return c; -} - -void sa_cond_free(sa_cond_t *c) { - sa_assert(c); - - sa_assert_success(pthread_cond_destroy(&c->cond)); - sa_free(c); -} - -void sa_cond_signal(sa_cond_t *c, int broadcast) { - sa_assert(c); - - if (broadcast) - sa_assert_success(pthread_cond_broadcast(&c->cond)); - else - sa_assert_success(pthread_cond_signal(&c->cond)); -} - -int sa_cond_wait(sa_cond_t *c, sa_mutex_t *m) { - sa_assert(c); - sa_assert(m); - - return pthread_cond_wait(&c->cond, &m->mutex); -} diff --git a/mutex.h b/mutex.h deleted file mode 100644 index e83feb8..0000000 --- a/mutex.h +++ /dev/null @@ -1,19 +0,0 @@ -#ifndef foosydneymutexhfoo -#define foosydneymutexhfoo - -typedef struct sa_mutex sa_mutex_t; - -sa_mutex_t* sa_mutex_new(int recursive); -void sa_mutex_free(sa_mutex_t *m); -void sa_mutex_lock(sa_mutex_t *m); -void sa_mutex_unlock(sa_mutex_t *m); -int sa_mutex_try_lock(sa_mutex_t *m); - -typedef struct sa_cond sa_cond_t; - -sa_cond_t *sa_cond_new(void); -void sa_cond_free(sa_cond_t *c); -void sa_cond_signal(sa_cond_t *c, int broadcast); -int sa_cond_wait(sa_cond_t *c, sa_mutex_t *m); - -#endif diff --git a/once.c b/once.c deleted file mode 100644 index 5dc9764..0000000 --- a/once.c +++ /dev/null @@ -1,58 +0,0 @@ -#ifdef HAVE_CONFIG_H -#include -#endif - -#include -#include - -#include "once.h" -#include "mutex.h" -#include "malloc.h" -#include "macro.h" - -static sa_mutex_t *global_mutex; -static pthread_once_t global_mutex_once = PTHREAD_ONCE_INIT; - -static void global_mutex_once_func(void) { - global_mutex = sa_mutex_new(0); -} - -int sa_once(sa_once_t *control, sa_once_func_t func) { - int r; - - assert(control); - assert(func); - - /* Create the global mutex */ - sa_assert_success(pthread_once(&global_mutex_once, global_mutex_once_func)); - - if (!global_mutex) - return -1; - - r = 0; - - /* Create the local mutex */ - sa_mutex_lock(global_mutex); - if (!control->mutex) { - if (!(control->mutex = sa_mutex_new(1))) - r = -1; - } - sa_mutex_unlock(global_mutex); - - if (r) - return -1; - - /* Execute function */ - sa_mutex_lock(control->mutex); - if (!control->once_value) { - control->once_value = 1; - func(); - } - sa_mutex_unlock(control->mutex); - - /* Caveat: We have to make sure that the once func has completed - * before returning, even if the once func is not actually - * executed by us. Hence the awkward locking. */ - - return 0; -} diff --git a/once.h b/once.h deleted file mode 100644 index a374529..0000000 --- a/once.h +++ /dev/null @@ -1,17 +0,0 @@ -#ifndef foosydneyoncehfoo -#define foosydneyoncehfoo - -#include "mutex.h" - -typedef struct sa_once { - unsigned int once_value; - sa_mutex_t *mutex; -} sa_once_t; - -#define SA_ONCE_INIT { .once_value = 0, .mutex = NULL } - -typedef void (*sa_once_func_t) (void); - -int sa_once(sa_once_t *o, sa_once_func_t f); - -#endif diff --git a/oss.c b/oss.c deleted file mode 100644 index d09f8aa..0000000 --- a/oss.c +++ /dev/null @@ -1,858 +0,0 @@ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "sydney.h" -#include "common.h" -#include "macro.h" -#include "malloc.h" -#include "converter.h" -#include "driver.h" -#include "thread.h" -#include "bufferq.h" - -#define DEFAULT_DEVICE "/dev/dsp" -#define DRIVER_NAME "oss" - -typedef struct oss_stream oss_stream_t; -#define OSS_STREAM(x) ((oss_stream_t*) (x->private)) - -struct oss_stream { - sa_stream_t *parent; - int fd; - pcm_attrs_t real_pcm_attrs; - sa_converter_t converter_read, converter_write; - size_t read_fragment_size, write_fragment_size; - unsigned read_nfragments, write_nfragments; - sa_thread_t *thread; - int socket_fds[2]; - sa_bufferq_t bufferq; -}; - -static int simple_log2(int v) { - int k = 0; - - for (;;) { - v >>= 1; - if (!v) break; - k++; - } - - return k; -} - -static size_t fixup_bps(size_t s, size_t bps1, size_t bps2) { - return (s*bps2)/bps1; -} - -int driver_open(sa_stream_t *s) { - oss_stream_t *oss; - char *n; - int f, arg, bs, r, phase, i, found, suggested, fs, l, m; - unsigned c; - size_t real_bps = 0, bps; - int loops = 0; - - static const int format_map[_SA_PCM_FORMAT_MAX] = { - [SA_PCM_FORMAT_U8] = AFMT_U8, - [SA_PCM_FORMAT_ULAW] = AFMT_MU_LAW, - [SA_PCM_FORMAT_ALAW] = AFMT_A_LAW, - [SA_PCM_FORMAT_S16_LE] = AFMT_S16_LE, - [SA_PCM_FORMAT_S16_BE] = AFMT_S16_BE, - [SA_PCM_FORMAT_S24_LE] = AFMT_S16_NE, /* OSS doesn't know this format, hence we pick the best we can */ - [SA_PCM_FORMAT_S24_BE] = AFMT_S16_NE, - [SA_PCM_FORMAT_S32_LE] = AFMT_S16_NE, - [SA_PCM_FORMAT_S32_BE] = AFMT_S16_NE, - [SA_PCM_FORMAT_FLOAT32_LE] = AFMT_S16_NE, - [SA_PCM_FORMAT_FLOAT32_BE] = AFMT_S16_NE - }; - static const int try_rates[] = { 8000, 16000, 32000, 44100, 48000, 96000, 192000 }; - - if (s->driver && strcmp(s->driver, DRIVER_NAME)) - return SA_ERROR_NO_DRIVER; - - if (!(s->private = oss = sa_new0(oss_stream_t, 1))) - return SA_ERROR_OOM; - - oss->parent = s; - oss->socket_fds[0] = oss->socket_fds[1] = -1; - - n = s->device ? s->device : DEFAULT_DEVICE; - if (!s->codec) - bps = s->pcm_frame_size * s->pcm_attrs.rate; - - for (;;) { - /* We need to loop here, because we have to call SETFRAGMENT - * as first ioctl after the open, at a point where we - * don't now yet the sample type, freq and the number of - * channels we actually settled on. Hence we have to loop - * here: if the sampling format is too far off we have to call - * SETFRAGMENT again which can do only after reopening the - * device again. */ - - if ((oss->fd = open(n, s->mode == SA_MODE_RDONLY ? O_RDONLY : (s->mode == SA_MODE_WRONLY ? O_WRONLY : O_RDWR) | O_NOCTTY | O_NONBLOCK)) < 0) { - - if (errno == ENODEV || errno == ENOENT) - r = SA_ERROR_NO_DEVICE; - else - r = SA_ERROR_SYSTEM; - - goto fail; - } - - fcntl(oss->fd, F_SETFL, fcntl(oss->fd, F_GETFL) & ~O_NONBLOCK); /* FIXME*/ - - if (!s->device) { - if (!(n = sa_strdup(n))) { - r = SA_ERROR_OOM; - goto fail; - } - - s->device = n; - } - - /* Set fragment settings */ - if (s->mode & SA_MODE_WRONLY) { - bs = s->write_lower_watermark; - } - - if (s->mode & SA_MODE_RDONLY) { - int rbs; - - rbs = s->read_upper_watermark; - - if (s->mode & SA_MODE_WRONLY) - bs = bs > rbs ? bs : rbs; - else - bs = rbs; - } - - if (!s->codec && real_bps) - bs = fixup_bps(bs, bps, real_bps); - - fs = bs/4; - l = simple_log2(fs); - if (l < 1) l = 1; - m = (bs+(1< 0x7FFF) m = 0x7FFF; - - printf("Asking OSS for: %u fragments, %u fragsize\n", m, 1 << l); - - arg = (m << 16) | l; - - ioctl(oss->fd, SNDCTL_DSP_SETFRAGMENT, &arg); - /* We ignore errors on this call, since it's merely a hint anyway */ - - if (s->codec) { - - if (strcmp(s->codec, SA_CODEC_AC3) == 0) - f = AFMT_AC3; - else if (strcmp(s->codec, SA_CODEC_MPEG) == 0) - f = AFMT_MPEG; - else { - r = SA_ERROR_NO_CODEC; - goto fail; - } - - } else - f = format_map[s->pcm_attrs.format]; - - bs = 0; - - for (;;) { - arg = f; - - if (ioctl(oss->fd, SNDCTL_DSP_SETFMT, &arg) < 0) { - r = SA_ERROR_SYSTEM; - goto fail; - } - - if (arg == f) - break; - - /* Hmm, the device doesn't support what we're looking for, - * let's try our luck */ - - if (f == AFMT_S16_LE && !bs) { - f = AFMT_S16_BE; - bs = 1; - } else if (f == AFMT_S16_BE && !bs) { - f = AFMT_S16_LE; - bs = 1; - } else if (f == AFMT_S16_LE || f == AFMT_S16_BE) { - f = AFMT_MU_LAW; - bs = 0; - } else if (f == AFMT_MU_LAW && !bs) { - f = AFMT_A_LAW; - bs = 1; - } else if (f == AFMT_A_LAW && !bs) { - f = AFMT_MU_LAW; - bs = 1; - } else if (f == AFMT_A_LAW || f == AFMT_MU_LAW) { - f = AFMT_U8; - } else if (f == AFMT_AC3 || f == AFMT_MPEG) { - r = SA_ERROR_NO_CODEC; - goto fail; - } else { - r = SA_ERROR_NO_PCM_FORMAT; - goto fail; - } - } - - if (!s->codec) { - - switch (f) { - case AFMT_MU_LAW: - oss->real_pcm_attrs.format = SA_PCM_FORMAT_ULAW; - break; - - case AFMT_A_LAW: - oss->real_pcm_attrs.format = SA_PCM_FORMAT_ALAW; - break; - - case AFMT_U8: - oss->real_pcm_attrs.format = SA_PCM_FORMAT_U8; - break; - - case AFMT_S16_LE: - oss->real_pcm_attrs.format = SA_PCM_FORMAT_S16_LE; - break; - - case AFMT_S16_BE: - oss->real_pcm_attrs.format = SA_PCM_FORMAT_S16_BE; - break; - - default: - sa_assert_not_reached(); - } - - - found = 0; - - if (s->adjust_nchannels >= 0) { - - /* First try more channels ... */ - for (c = s->pcm_attrs.nchannels; c < 8 || c == s->pcm_attrs.nchannels; c ++) { - arg = c; - if (ioctl(oss->fd, SNDCTL_DSP_CHANNELS, &arg) < 0) { - r = SA_ERROR_SYSTEM; - goto fail; - } - - if (arg == (int) c) { - found = 1; - break; - } - } - - /* ... then try less channels */ - if (!found) { - for (c = s->pcm_attrs.nchannels - 1; c > 0; c --) { - arg = c; - if (ioctl(oss->fd, SNDCTL_DSP_CHANNELS, &arg) < 0) { - r = SA_ERROR_SYSTEM; - goto fail; - } - - if (arg == (int) c) { - found = 1; - break; - } - } - } - } else { - - /* First try less channels ... */ - for (c = s->pcm_attrs.nchannels; c > 0; c --) { - arg = c; - if (ioctl(oss->fd, SNDCTL_DSP_CHANNELS, &arg) < 0) { - r = SA_ERROR_SYSTEM; - goto fail; - } - - if (arg == (int) c) { - found = 1; - break; - } - } - - /* ... then try more channels */ - if (!found) { - for (c = s->pcm_attrs.nchannels + 1; c < 8; c ++) { - arg = c; - if (ioctl(oss->fd, SNDCTL_DSP_CHANNELS, &arg) < 0) { - r = SA_ERROR_SYSTEM; - goto fail; - } - - if (arg == (int) c) { - found = 1; - break; - } - } - } - } - - if (!found) { - errno = EIO; - r = SA_ERROR_SYSTEM; - goto fail; - } - - oss->real_pcm_attrs.nchannels = c; - - if (!(oss->real_pcm_attrs.channel_map = sa_new(sa_channel_t, c))) { - r = SA_ERROR_OOM; - goto fail; - } - - switch (c) { - case 8: - oss->real_pcm_attrs.channel_map[7] = SA_CHANNEL_REAR_RIGHT; - case 7: - oss->real_pcm_attrs.channel_map[6] = SA_CHANNEL_REAR_LEFT; - case 6: - oss->real_pcm_attrs.channel_map[5] = SA_CHANNEL_FRONT_LEFT; - case 5: - oss->real_pcm_attrs.channel_map[4] = SA_CHANNEL_FRONT_RIGHT; - case 4: - oss->real_pcm_attrs.channel_map[3] = SA_CHANNEL_LFE; - case 3: - oss->real_pcm_attrs.channel_map[2] = SA_CHANNEL_CENTER; - case 2: - oss->real_pcm_attrs.channel_map[1] = SA_CHANNEL_RIGHT; - oss->real_pcm_attrs.channel_map[0] = SA_CHANNEL_LEFT; - break; - case 1: - oss->real_pcm_attrs.channel_map[0] = SA_CHANNEL_MONO; - break; - } - - r = s->pcm_attrs.rate; - - if (r < 8000) - r = 8000; - - suggested = 0; - phase = 0; - - for (;;) { - arg = r; - - if (ioctl(oss->fd, SNDCTL_DSP_SPEED, &arg) < 0) { - r = SA_ERROR_SYSTEM; - goto fail; - } - - sa_assert(arg > 0); - - if (arg >= r*0.95 || arg <= r *1.05) - break; - - if (arg > suggested) - suggested = arg; - - if (s->adjust_rate >= 0) { - - if (phase == 0) { - /* Find the next higher sample rate to try */ - - for (i = 0; i < (int) SA_ELEMENTSOF(try_rates); i++) { - /* Yes, we could optimize a little here */ - - if (try_rates[i] > r) { - r = try_rates[i]; - break; - } - } - - - if (i == SA_ELEMENTSOF(try_rates)) { - phase = 1; - r = s->pcm_attrs.rate; - } - } - - if (phase == 1) { - /* Find the next lower sample rate to try */ - - for (i = SA_ELEMENTSOF(try_rates); i > 0; i--) { - if (suggested > try_rates[i-1] && suggested < r) { - r = suggested; - break; - } else if (try_rates[i-1] < r) { - r = try_rates[i-1]; - break; - } - } - - sa_assert(i > 0); - } - - } else { - - if (phase == 0) { - /* Find the next lower sample rate to try */ - - for (i = SA_ELEMENTSOF(try_rates); i > 0; i--) { - - if (try_rates[i-1] < r) { - r = try_rates[i-1]; - break; - } - } - - if (i == 0) { - phase = 1; - r = s->pcm_attrs.rate; - } - } - - if (phase == 1) { - /* Find the next higher sample rate to try */ - - for (i = 0; i < (int) SA_ELEMENTSOF(try_rates); i++) { - if (suggested > r && suggested < try_rates[i]) { - r = suggested; - break; - } else if (try_rates[i] < r) { - r = try_rates[i]; - break; - } - } - - sa_assert(i < (int) SA_ELEMENTSOF(try_rates)); - } - } - - } - - oss->real_pcm_attrs.rate = r; - - printf("Chosen: %u channels, %uHz, format=%u\n", oss->real_pcm_attrs.nchannels, oss->real_pcm_attrs.rate, oss->real_pcm_attrs.format); - - real_bps = oss->real_pcm_attrs.nchannels * oss->real_pcm_attrs.rate * sa_get_pcm_sample_size(oss->real_pcm_attrs.format); - - if (real_bps != bps && loops < 1) { - loops++; - - sa_free(oss->real_pcm_attrs.channel_map); - oss->real_pcm_attrs.channel_map = NULL; - - close(oss->fd); - - printf("bps changed, retrying...\n"); - continue; - } - } - - break; - } - - /* First, let's try GETBLKSIZE */ - if (ioctl(oss->fd, SNDCTL_DSP_GETBLKSIZE, &arg) >= 0) { - if (s->mode & SA_MODE_RDONLY) { - oss->read_fragment_size = arg; - oss->read_nfragments = 2; - } - - if (s->mode & SA_MODE_WRONLY) { - oss->write_fragment_size = arg; - oss->write_nfragments = 2; - } - } - - /* Now, let's use GETxSPACE */ - if (s->mode & SA_MODE_RDONLY) { - audio_buf_info info; - - if (ioctl(oss->fd, SNDCTL_DSP_GETISPACE, &info) >= 0) { - oss->read_fragment_size = info.fragsize; - oss->read_nfragments = info.fragstotal; - } - } - - if (s->mode & SA_MODE_WRONLY) { - audio_buf_info info; - - if (ioctl(oss->fd, SNDCTL_DSP_GETOSPACE, &info) >= 0) { - oss->write_fragment_size = info.fragsize; - oss->write_nfragments = info.fragstotal; - } - } - - if (s->mode & SA_MODE_WRONLY && (oss->write_fragment_size <= 0 || oss->write_nfragments <= 1)) { - errno = EIO; - r = SA_ERROR_SYSTEM; - goto fail; - } - - if (s->mode & SA_MODE_RDONLY && (oss->read_fragment_size <= 0 || oss->read_nfragments <= 1)) { - errno = EIO; - r = SA_ERROR_SYSTEM; - goto fail; - } - - if (!s->codec) { - - if (s->adjust_nchannels != 0) { - sa_channel_t *cm; - - if (!(cm = sa_newdup(sa_channel_t, oss->real_pcm_attrs.channel_map, oss->real_pcm_attrs.nchannels))) { - r = SA_ERROR_OOM; - goto fail; - } - - sa_free(s->pcm_attrs.channel_map); - s->pcm_attrs.channel_map = cm; - - s->pcm_attrs.nchannels = oss->real_pcm_attrs.nchannels; - } - if (s->adjust_rate != 0) - s->pcm_attrs.rate = oss->real_pcm_attrs.rate; - if (s->adjust_pcm_format != 0) - s->pcm_attrs.format = oss->real_pcm_attrs.format; - - if (s->mode & SA_MODE_RDONLY) - if ((r = sa_converter_init(&oss->converter_read, &oss->real_pcm_attrs, &s->pcm_attrs, s->dynamic_rate_enabled)) < 0) - goto fail; - - if (s->mode & SA_MODE_WRONLY) - if ((r = sa_converter_init(&oss->converter_write, &s->pcm_attrs, &oss->real_pcm_attrs, s->dynamic_rate_enabled)) < 0) - goto fail; - } - - if (s->adjust_watermarks) { - - if (s->mode & SA_MODE_RDONLY) { - s->read_lower_watermark = oss->read_fragment_size; - s->read_upper_watermark = oss->read_fragment_size * oss->read_nfragments; - } - - if (s->mode & SA_MODE_WRONLY) { - s->write_lower_watermark = oss->write_fragment_size; - s->write_upper_watermark = oss->write_fragment_size * oss->write_nfragments; - } - } - - if (s->mode & SA_MODE_RDONLY) - printf("Chosen for read: %u fragments, %u fragsize\n", oss->read_nfragments, oss->read_fragment_size); - - if (s->mode & SA_MODE_WRONLY) - printf("Chosen for write: %u fragments, %u fragsize\n", oss->write_nfragments, oss->write_fragment_size); - - if (sa_bufferq_init(&oss->bufferq, s->pcm_attrs.nchannels, s->pcm_sample_size) < 0) - goto fail; - - return SA_SUCCESS; - -fail: - driver_destroy(s); - return r; -} - -int driver_destroy(sa_stream_t *s) { - oss_stream_t *oss = OSS_STREAM(s); - - if (oss) { - - if (oss->thread) - driver_stop_thread(s); - - if (oss->fd >= 0) - close(oss->fd); - - sa_bufferq_done(&oss->bufferq); - - sa_free(oss->real_pcm_attrs.channel_map); - sa_converter_done(&oss->converter_read); - sa_converter_done(&oss->converter_write); - - sa_free(oss); - } - - return SA_SUCCESS; -} - -static int feed(sa_stream_t *s) { - oss_stream_t *oss = OSS_STREAM(s); - size_t w; - int ret; - - sa_assert(s); - - for (;;) { - if ((ret = driver_get_write_size(s, &w)) < 0) - return ret; - - while (w > 0) { - void* i[1]; - size_t nbytes; - uint8_t *d; - int drop; - - sa_bufferq_get(&oss->bufferq, i, &nbytes); - - if (nbytes) { - void **dst; - size_t *stride; - - if ((ret = sa_converter_go_interleaved(&oss->converter_write, i[0], &dst, &stride, 1, &nbytes))) - return ret; - - d = dst[0]; - drop = 1; - - s->state = SA_STATE_RUNNING; - - } else { - nbytes = w > oss->write_fragment_size ? oss->write_fragment_size : w; - - if (!(d = sa_converter_get_zero_buffer(&oss->converter_write, nbytes))) - return SA_ERROR_OOM; - - drop = s->xrun_mode == SA_XRUN_MODE_SPIN; - - if (s->xrun_mode == SA_XRUN_MODE_STOP) - s->state = SA_STATE_STOPPED; - } - - while (nbytes > 0) { - ssize_t l; - - if ((l = write(oss->fd, d, nbytes)) < 0) - return SA_ERROR_SYSTEM; - - sa_assert(l > 0); - - nbytes -= l; - d += l; - - w -= 1; - - if (drop) - sa_bufferq_drop(&oss->bufferq, l); - } - } - } - - return SA_SUCCESS; -} - -enum { - POLLFD_OSS_FD, - POLLFD_SOCKET_FD, - POLLFD_MAX -}; - -static void thread_func(void *data) { - struct pollfd pollfds[POLLFD_MAX]; - sa_stream_t *s = data; - oss_stream_t *oss = OSS_STREAM(s); - sigset_t mask; - - sigfillset(&mask); - pthread_sigmask(SIG_BLOCK, &mask, NULL); - - if (s->callback) { - s->event = SA_EVENT_INIT_THREAD; - if (s->callback(s, SA_EVENT_INIT_THREAD) < 0) - return; - } - - memset(pollfds, 0, sizeof(pollfds)); - - pollfds[POLLFD_SOCKET_FD].fd = oss->socket_fds[0]; - pollfds[POLLFD_SOCKET_FD].events = POLLIN; - - pollfds[POLLFD_OSS_FD].fd = oss->fd; - pollfds[POLLFD_OSS_FD].events = ((s->mode & SA_MODE_RDONLY) ? POLLIN : 0) | ((s->mode & SA_MODE_WRONLY) ? POLLOUT : 0); - - for (;;) { - int ret; - if (poll(pollfds, POLLFD_MAX, -1) < 0) { - if (errno == EINTR) - continue; - - if (s->callback) { - s->event = SA_EVENT_ERROR; - s->error = SA_ERROR_SYSTEM; - s->callback(s, SA_EVENT_ERROR); - } - break; - } - - if (pollfds[POLLFD_SOCKET_FD].revents) - break; - - if (pollfds[POLLFD_OSS_FD].revents & (POLLERR|POLLHUP|POLLNVAL)) { - - if (s->callback) { - s->event = SA_EVENT_ERROR; - s->error = SA_ERROR_SYSTEM; - errno = EIO; - s->callback(s, SA_EVENT_ERROR); - } - break; - } - - if (s->callback) { - s->event = SA_EVENT_REQUEST_IO; - if (s->callback(s, SA_EVENT_REQUEST_IO) < 0) - break; - } - - if ((ret = feed(s)) < 0) { - if (s->callback) { - s->event = SA_EVENT_ERROR; - s->error = ret; - s->callback(s, SA_EVENT_ERROR); - } - break; - } - } -} - -int driver_start_thread(sa_stream_t *s, sa_event_callback_t callback) { - oss_stream_t *oss = OSS_STREAM(s); - sa_return_val_if_fail(!oss->thread, SA_ERROR_STATE); - - s->callback = callback; - - if ((socketpair(AF_UNIX, SOCK_DGRAM, 0, oss->socket_fds)) < 0) - return SA_ERROR_SYSTEM; - - if (!(oss->thread = sa_thread_new(thread_func, s))) - return SA_ERROR_OOM; - - return SA_SUCCESS; -} - -int driver_stop_thread(sa_stream_t *s) { - oss_stream_t *oss = OSS_STREAM(s); - sa_return_val_if_fail(oss->thread, SA_ERROR_STATE); - sa_return_val_if_fail(oss->thread != sa_thread_self(), SA_ERROR_STATE); - - if (oss->socket_fds[0] >= 0) - close(oss->socket_fds[0]); - - if (oss->socket_fds[1] >= 0) - close(oss->socket_fds[1]); - - if (oss->thread) - sa_thread_free(oss->thread); - - oss->thread = NULL; - oss->socket_fds[0] = oss->socket_fds[1] = -1; - - return SA_SUCCESS; -} - -int driver_change_read_volume(sa_stream_t *s, const int32_t vol[]) { - oss_stream_t *oss = OSS_STREAM(s); - - sa_return_val_if_fail(!s->codec, SA_ERROR_NOT_SUPPORTED); - - sa_converter_set_volume(&oss->converter_read, vol); - - return SA_SUCCESS; -} - -int driver_change_write_volume(sa_stream_t *s, const int32_t vol[]) { - oss_stream_t *oss = OSS_STREAM(s); - - sa_return_val_if_fail(!s->codec, SA_ERROR_NOT_SUPPORTED); - - sa_converter_set_volume(&oss->converter_write, vol); - - return SA_SUCCESS; -} - -int driver_change_rate(sa_stream_t *s, unsigned rate) { - oss_stream_t *oss = OSS_STREAM(s); - - if (s->mode & SA_MODE_RDONLY) - sa_converter_set_ratio(&oss->converter_read, oss->real_pcm_attrs.rate, s->pcm_attrs.rate); - if (s->mode & SA_MODE_WRONLY) - sa_converter_set_ratio(&oss->converter_write, s->pcm_attrs.rate, oss->real_pcm_attrs.rate); - - return SA_SUCCESS; -} - -int driver_get_state(sa_stream_t *s, sa_state_t *state) { - *state = s->state; - return SA_SUCCESS; -} - -int driver_get_position(sa_stream_t *s, sa_position_t position, int64_t *pos) { - return SA_ERROR_NOT_SUPPORTED; -} - -int driver_read(sa_stream_t *s, void *data, size_t nbytes) { - return SA_ERROR_NOT_SUPPORTED; -} - -int driver_pwrite(sa_stream_t *s, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence) { - oss_stream_t *oss = OSS_STREAM(s); - int ret, ret2; - - if ((ret = sa_bufferq_push(&oss->bufferq, 0, data, nbytes, offset, whence, SA_BUFFERQ_ITEM_STATIC))) - return ret; - - ret = feed(s); - ret2 = sa_bufferq_realloc(&oss->bufferq); - - return ret ? ret : ret2; -} - -int driver_read_ni(sa_stream_t *s, unsigned channel, void *data, size_t nbytes) { - return SA_ERROR_NOT_SUPPORTED; -} - -int driver_pwrite_ni(sa_stream_t *s, unsigned channel, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence) { - return SA_ERROR_NOT_SUPPORTED; -} - -int driver_get_read_size(sa_stream_t *s, size_t *size) { - return SA_ERROR_NOT_SUPPORTED; -} - -int driver_get_write_size(sa_stream_t *s, size_t *size) { - return SA_ERROR_NOT_SUPPORTED; -} - -int driver_resume(sa_stream_t *s) { - return SA_ERROR_NOT_SUPPORTED; -} - -int driver_pause(sa_stream_t *s) { - return SA_ERROR_NOT_SUPPORTED; -} - -int driver_drain(sa_stream_t *s) { - oss_stream_t *oss = OSS_STREAM(s); - sa_return_val_if_fail(!oss->thread, SA_ERROR_STATE); - - if (ioctl(oss->fd, SNDCTL_DSP_SYNC, NULL) < 0) - return SA_ERROR_SYSTEM; - - return SA_SUCCESS; -} - -/* Unsupported operations */ - -int driver_change_device(sa_stream_t *s, const char *device) { - return SA_ERROR_NOT_SUPPORTED; -} - -int driver_change_meta_data(sa_stream_t *s, const char *name, const void *data, size_t size) { - return SA_ERROR_NOT_SUPPORTED; -} diff --git a/resample.c b/resample.c deleted file mode 100644 index 23c63a5..0000000 --- a/resample.c +++ /dev/null @@ -1,42 +0,0 @@ -#include "macro.h" -#include "resample.h" - -static void resample_s16(SpeexResamplerState *speex, unsigned channel, void *dst, size_t dstr, const void *src, size_t sstr, size_t in_bytes, size_t *out_bytes) { - - spx_uint32_t in_samples = in_bytes/sizeof(int16_t), out_samples = *out_bytes/sizeof(int16_t); - - speex_resampler_set_input_stride(speex, sstr/sizeof(int16_t)); - speex_resampler_set_input_stride(speex, dstr/sizeof(int16_t)); - - speex_resampler_process_int(speex, channel, src, &in_samples, dst, &out_samples); - - sa_assert(in_samples == in_bytes/sizeof(int16_t)); - - *out_bytes = out_samples * sizeof(int16_t); -} - -static void resample_f32(SpeexResamplerState *speex, unsigned channel, void *dst, size_t dstr, const void *src, size_t sstr, size_t in_bytes, size_t *out_bytes) { - - spx_uint32_t in_samples = in_bytes/sizeof(float), out_samples = *out_bytes/sizeof(float); - - speex_resampler_set_input_stride(speex, sstr/sizeof(float)); - speex_resampler_set_input_stride(speex, dstr/sizeof(float)); - - speex_resampler_process_float(speex, channel, src, &in_samples, dst, &out_samples); - - sa_assert(in_samples == in_bytes/sizeof(float)); - - *out_bytes = out_samples * sizeof(float); -} - -sa_resample_func_t sa_get_resample_func(sa_pcm_format_t f) { - - static const sa_resample_func_t funcs[_SA_PCM_FORMAT_MAX] = { - [SA_PCM_FORMAT_S16_NE] = resample_s16, - [SA_PCM_FORMAT_FLOAT32_NE] = resample_f32 - }; - - sa_assert(f < _SA_PCM_FORMAT_MAX); - - return funcs[f]; -} diff --git a/resample.h b/resample.h deleted file mode 100644 index 7734f86..0000000 --- a/resample.h +++ /dev/null @@ -1,14 +0,0 @@ -#ifndef foosydneyresamplehfoo -#define foosydneyresamplehfoo - -#include -#include - -#include "sydney.h" -#include "speex/speex_resampler.h" - -typedef void (*sa_resample_func_t) (SpeexResamplerState *speex, unsigned channel, void *dst, size_t dstr, const void *src, size_t sstr, size_t in_bytes, size_t *out_bytes); - -sa_resample_func_t sa_get_resample_func(sa_pcm_format_t f); - -#endif diff --git a/speex/arch.h b/speex/arch.h deleted file mode 100644 index e2d731a..0000000 --- a/speex/arch.h +++ /dev/null @@ -1,197 +0,0 @@ -/* Copyright (C) 2003 Jean-Marc Valin */ -/** - @file arch.h - @brief Various architecture definitions Speex -*/ -/* - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - - Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - - Neither the name of the Xiph.org Foundation nor the names of its - contributors may be used to endorse or promote products derived from - this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR - CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - -#ifndef ARCH_H -#define ARCH_H - -#ifndef OUTSIDE_SPEEX -#include "speex/speex_types.h" -#endif - -#define ABS(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute integer value. */ -#define ABS16(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 16-bit value. */ -#define MIN16(a,b) ((a) < (b) ? (a) : (b)) /**< Maximum 16-bit value. */ -#define MAX16(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 16-bit value. */ -#define ABS32(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 32-bit value. */ -#define MIN32(a,b) ((a) < (b) ? (a) : (b)) /**< Maximum 32-bit value. */ -#define MAX32(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 32-bit value. */ - -#ifdef FIXED_POINT - -typedef spx_int16_t spx_word16_t; -typedef spx_int32_t spx_word32_t; -typedef spx_word32_t spx_mem_t; -typedef spx_word16_t spx_coef_t; -typedef spx_word16_t spx_lsp_t; -typedef spx_word32_t spx_sig_t; - -#define Q15ONE 32767 - -#define LPC_SCALING 8192 -#define SIG_SCALING 16384 -#define LSP_SCALING 8192. -#define GAMMA_SCALING 32768. -#define GAIN_SCALING 64 -#define GAIN_SCALING_1 0.015625 - -#define LPC_SHIFT 13 -#define LSP_SHIFT 13 -#define SIG_SHIFT 14 - -#define VERY_SMALL 0 -#define VERY_LARGE32 ((spx_word32_t)2147483647) -#define VERY_LARGE16 ((spx_word16_t)32767) -#define Q15_ONE ((spx_word16_t)32767) - - -#ifdef FIXED_DEBUG -#include "fixed_debug.h" -#else - -#include "fixed_generic.h" - -#ifdef ARM5E_ASM -#include "fixed_arm5e.h" -#elif defined (ARM4_ASM) -#include "fixed_arm4.h" -#elif defined (ARM5E_ASM) -#include "fixed_arm5e.h" -#elif defined (BFIN_ASM) -#include "fixed_bfin.h" -#endif - -#endif - - -#else - -typedef float spx_mem_t; -typedef float spx_coef_t; -typedef float spx_lsp_t; -typedef float spx_sig_t; -typedef float spx_word16_t; -typedef float spx_word32_t; - -#define Q15ONE 1.0f -#define LPC_SCALING 1.f -#define SIG_SCALING 1.f -#define LSP_SCALING 1.f -#define GAMMA_SCALING 1.f -#define GAIN_SCALING 1.f -#define GAIN_SCALING_1 1.f - -#define LPC_SHIFT 0 -#define LSP_SHIFT 0 -#define SIG_SHIFT 0 - -#define VERY_SMALL 1e-15f -#define VERY_LARGE32 1e15f -#define VERY_LARGE16 1e15f -#define Q15_ONE ((spx_word16_t)1.f) - -#define QCONST16(x,bits) (x) -#define QCONST32(x,bits) (x) - -#define NEG16(x) (-(x)) -#define NEG32(x) (-(x)) -#define EXTRACT16(x) (x) -#define EXTEND32(x) (x) -#define SHR16(a,shift) (a) -#define SHL16(a,shift) (a) -#define SHR32(a,shift) (a) -#define SHL32(a,shift) (a) -#define PSHR16(a,shift) (a) -#define PSHR32(a,shift) (a) -#define VSHR32(a,shift) (a) -#define SATURATE16(x,a) (x) -#define SATURATE32(x,a) (x) - -#define PSHR(a,shift) (a) -#define SHR(a,shift) (a) -#define SHL(a,shift) (a) -#define SATURATE(x,a) (x) - -#define ADD16(a,b) ((a)+(b)) -#define SUB16(a,b) ((a)-(b)) -#define ADD32(a,b) ((a)+(b)) -#define SUB32(a,b) ((a)-(b)) -#define MULT16_16_16(a,b) ((a)*(b)) -#define MULT16_16(a,b) ((spx_word32_t)(a)*(spx_word32_t)(b)) -#define MAC16_16(c,a,b) ((c)+(spx_word32_t)(a)*(spx_word32_t)(b)) - -#define MULT16_32_Q11(a,b) ((a)*(b)) -#define MULT16_32_Q13(a,b) ((a)*(b)) -#define MULT16_32_Q14(a,b) ((a)*(b)) -#define MULT16_32_Q15(a,b) ((a)*(b)) -#define MULT16_32_P15(a,b) ((a)*(b)) - -#define MAC16_32_Q11(c,a,b) ((c)+(a)*(b)) -#define MAC16_32_Q15(c,a,b) ((c)+(a)*(b)) - -#define MAC16_16_Q11(c,a,b) ((c)+(a)*(b)) -#define MAC16_16_Q13(c,a,b) ((c)+(a)*(b)) -#define MAC16_16_P13(c,a,b) ((c)+(a)*(b)) -#define MULT16_16_Q11_32(a,b) ((a)*(b)) -#define MULT16_16_Q13(a,b) ((a)*(b)) -#define MULT16_16_Q14(a,b) ((a)*(b)) -#define MULT16_16_Q15(a,b) ((a)*(b)) -#define MULT16_16_P15(a,b) ((a)*(b)) -#define MULT16_16_P13(a,b) ((a)*(b)) -#define MULT16_16_P14(a,b) ((a)*(b)) - -#define DIV32_16(a,b) (((spx_word32_t)(a))/(spx_word16_t)(b)) -#define PDIV32_16(a,b) (((spx_word32_t)(a))/(spx_word16_t)(b)) -#define DIV32(a,b) (((spx_word32_t)(a))/(spx_word32_t)(b)) -#define PDIV32(a,b) (((spx_word32_t)(a))/(spx_word32_t)(b)) - - -#endif - - -#if defined (CONFIG_TI_C54X) || defined (CONFIG_TI_C55X) - -/* 2 on TI C5x DSP */ -#define BYTES_PER_CHAR 2 -#define BITS_PER_CHAR 16 -#define LOG2_BITS_PER_CHAR 4 - -#else - -#define BYTES_PER_CHAR 1 -#define BITS_PER_CHAR 8 -#define LOG2_BITS_PER_CHAR 3 - -#endif - -#endif diff --git a/speex/resample.c b/speex/resample.c deleted file mode 100644 index 1cc4d49..0000000 --- a/speex/resample.c +++ /dev/null @@ -1,1114 +0,0 @@ -/* Copyright (C) 2007 Jean-Marc Valin - - File: resample.c - Arbitrary resampling code - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are - met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - - 2. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - 3. The name of the author may not be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, - INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. -*/ - -/* - The design goals of this code are: - - Very fast algorithm - - SIMD-friendly algorithm - - Low memory requirement - - Good *perceptual* quality (and not best SNR) - - The code is working, but it's in a very early stage, so it may have - artifacts, noise or subliminal messages from satan. Also, the API - isn't stable and I can actually promise that I *will* change the API - some time in the future. - -TODO list: - - Variable calculation resolution depending on quality setting - - Single vs double in float mode - - 16-bit vs 32-bit (sinc only) in fixed-point mode - - Make sure the filter update works even when changing params - after only a few samples procesed -*/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#ifdef OUTSIDE_SPEEX -#include -static void *speex_alloc (int size) {return calloc(size,1);} -static void *speex_realloc (void *ptr, int size) {return realloc(ptr, size);} -static void speex_free (void *ptr) {free(ptr);} -#include "speex_resampler.h" -#include "arch.h" -#else /* OUTSIDE_SPEEX */ - -#include "speex/speex_resampler.h" -#include "misc.h" -#endif /* OUTSIDE_SPEEX */ - -#include - -#ifndef M_PI -#define M_PI 3.14159263 -#endif - -#ifdef FIXED_POINT -#define WORD2INT(x) ((x) < -32767 ? -32768 : ((x) > 32766 ? 32767 : (x))) -#else -#define WORD2INT(x) ((x) < -32767.5f ? -32768 : ((x) > 32766.5f ? 32767 : floor(.5+(x)))) -#endif - -/*#define float double*/ -#define FILTER_SIZE 64 -#define OVERSAMPLE 8 - -#define IMAX(a,b) ((a) > (b) ? (a) : (b)) -#define IMIN(a,b) ((a) < (b) ? (a) : (b)) - -#ifndef NULL -#define NULL 0 -#endif - -typedef int (*resampler_basic_func)(SpeexResamplerState *, spx_uint32_t , const spx_word16_t *, spx_uint32_t *, spx_word16_t *, spx_uint32_t *); - -struct SpeexResamplerState_ { - spx_uint32_t in_rate; - spx_uint32_t out_rate; - spx_uint32_t num_rate; - spx_uint32_t den_rate; - - int quality; - spx_uint32_t nb_channels; - spx_uint32_t filt_len; - spx_uint32_t mem_alloc_size; - int int_advance; - int frac_advance; - float cutoff; - spx_uint32_t oversample; - int initialised; - int started; - - /* These are per-channel */ - spx_int32_t *last_sample; - spx_uint32_t *samp_frac_num; - spx_uint32_t *magic_samples; - - spx_word16_t *mem; - spx_word16_t *sinc_table; - spx_uint32_t sinc_table_length; - resampler_basic_func resampler_ptr; - - int in_stride; - int out_stride; -} ; - -static double kaiser12_table[68] = { - 0.99859849, 1.00000000, 0.99859849, 0.99440475, 0.98745105, 0.97779076, - 0.96549770, 0.95066529, 0.93340547, 0.91384741, 0.89213598, 0.86843014, - 0.84290116, 0.81573067, 0.78710866, 0.75723148, 0.72629970, 0.69451601, - 0.66208321, 0.62920216, 0.59606986, 0.56287762, 0.52980938, 0.49704014, - 0.46473455, 0.43304576, 0.40211431, 0.37206735, 0.34301800, 0.31506490, - 0.28829195, 0.26276832, 0.23854851, 0.21567274, 0.19416736, 0.17404546, - 0.15530766, 0.13794294, 0.12192957, 0.10723616, 0.09382272, 0.08164178, - 0.07063950, 0.06075685, 0.05193064, 0.04409466, 0.03718069, 0.03111947, - 0.02584161, 0.02127838, 0.01736250, 0.01402878, 0.01121463, 0.00886058, - 0.00691064, 0.00531256, 0.00401805, 0.00298291, 0.00216702, 0.00153438, - 0.00105297, 0.00069463, 0.00043489, 0.00025272, 0.00013031, 0.0000527734, - 0.00001000, 0.00000000}; -/* -static double kaiser12_table[36] = { - 0.99440475, 1.00000000, 0.99440475, 0.97779076, 0.95066529, 0.91384741, - 0.86843014, 0.81573067, 0.75723148, 0.69451601, 0.62920216, 0.56287762, - 0.49704014, 0.43304576, 0.37206735, 0.31506490, 0.26276832, 0.21567274, - 0.17404546, 0.13794294, 0.10723616, 0.08164178, 0.06075685, 0.04409466, - 0.03111947, 0.02127838, 0.01402878, 0.00886058, 0.00531256, 0.00298291, - 0.00153438, 0.00069463, 0.00025272, 0.0000527734, 0.00000500, 0.00000000}; -*/ -static double kaiser10_table[36] = { - 0.99537781, 1.00000000, 0.99537781, 0.98162644, 0.95908712, 0.92831446, - 0.89005583, 0.84522401, 0.79486424, 0.74011713, 0.68217934, 0.62226347, - 0.56155915, 0.50119680, 0.44221549, 0.38553619, 0.33194107, 0.28205962, - 0.23636152, 0.19515633, 0.15859932, 0.12670280, 0.09935205, 0.07632451, - 0.05731132, 0.04193980, 0.02979584, 0.02044510, 0.01345224, 0.00839739, - 0.00488951, 0.00257636, 0.00115101, 0.00035515, 0.00000000, 0.00000000}; - -static double kaiser8_table[36] = { - 0.99635258, 1.00000000, 0.99635258, 0.98548012, 0.96759014, 0.94302200, - 0.91223751, 0.87580811, 0.83439927, 0.78875245, 0.73966538, 0.68797126, - 0.63451750, 0.58014482, 0.52566725, 0.47185369, 0.41941150, 0.36897272, - 0.32108304, 0.27619388, 0.23465776, 0.19672670, 0.16255380, 0.13219758, - 0.10562887, 0.08273982, 0.06335451, 0.04724088, 0.03412321, 0.02369490, - 0.01563093, 0.00959968, 0.00527363, 0.00233883, 0.00050000, 0.00000000}; - -static double kaiser6_table[36] = { - 0.99733006, 1.00000000, 0.99733006, 0.98935595, 0.97618418, 0.95799003, - 0.93501423, 0.90755855, 0.87598009, 0.84068475, 0.80211977, 0.76076565, - 0.71712752, 0.67172623, 0.62508937, 0.57774224, 0.53019925, 0.48295561, - 0.43647969, 0.39120616, 0.34752997, 0.30580127, 0.26632152, 0.22934058, - 0.19505503, 0.16360756, 0.13508755, 0.10953262, 0.08693120, 0.06722600, - 0.05031820, 0.03607231, 0.02432151, 0.01487334, 0.00752000, 0.00000000}; - -struct FuncDef { - double *table; - int oversample; -}; - -static struct FuncDef _KAISER12 = {kaiser12_table, 64}; -#define KAISER12 (&_KAISER12) -/*static struct FuncDef _KAISER12 = {kaiser12_table, 32}; -#define KAISER12 (&_KAISER12)*/ -static struct FuncDef _KAISER10 = {kaiser10_table, 32}; -#define KAISER10 (&_KAISER10) -static struct FuncDef _KAISER8 = {kaiser8_table, 32}; -#define KAISER8 (&_KAISER8) -static struct FuncDef _KAISER6 = {kaiser6_table, 32}; -#define KAISER6 (&_KAISER6) - -struct QualityMapping { - int base_length; - int oversample; - float downsample_bandwidth; - float upsample_bandwidth; - struct FuncDef *window_func; -}; - - -/* This table maps conversion quality to internal parameters. There are two - reasons that explain why the up-sampling bandwidth is larger than the - down-sampling bandwidth: - 1) When up-sampling, we can assume that the spectrum is already attenuated - close to the Nyquist rate (from an A/D or a previous resampling filter) - 2) Any aliasing that occurs very close to the Nyquist rate will be masked - by the sinusoids/noise just below the Nyquist rate (guaranteed only for - up-sampling). -*/ -static const struct QualityMapping quality_map[11] = { - { 8, 4, 0.830f, 0.860f, KAISER6 }, /* Q0 */ - { 16, 4, 0.850f, 0.880f, KAISER6 }, /* Q1 */ - { 32, 4, 0.882f, 0.910f, KAISER6 }, /* Q2 */ /* 82.3% cutoff ( ~60 dB stop) 6 */ - { 48, 8, 0.895f, 0.917f, KAISER8 }, /* Q3 */ /* 84.9% cutoff ( ~80 dB stop) 8 */ - { 64, 8, 0.921f, 0.940f, KAISER8 }, /* Q4 */ /* 88.7% cutoff ( ~80 dB stop) 8 */ - { 80, 16, 0.922f, 0.940f, KAISER10}, /* Q5 */ /* 89.1% cutoff (~100 dB stop) 10 */ - { 96, 16, 0.940f, 0.945f, KAISER10}, /* Q6 */ /* 91.5% cutoff (~100 dB stop) 10 */ - {128, 16, 0.950f, 0.950f, KAISER10}, /* Q7 */ /* 93.1% cutoff (~100 dB stop) 10 */ - {160, 16, 0.960f, 0.960f, KAISER10}, /* Q8 */ /* 94.5% cutoff (~100 dB stop) 10 */ - {192, 32, 0.968f, 0.968f, KAISER12}, /* Q9 */ /* 95.5% cutoff (~100 dB stop) 10 */ - {256, 32, 0.975f, 0.975f, KAISER12}, /* Q10 */ /* 96.6% cutoff (~100 dB stop) 10 */ -}; -/*8,24,40,56,80,104,128,160,200,256,320*/ -static double compute_func(float x, struct FuncDef *func) -{ - float y, frac; - double interp[4]; - int ind; - y = x*func->oversample; - ind = (int)floor(y); - frac = (y-ind); - /* CSE with handle the repeated powers */ - interp[3] = -0.1666666667*frac + 0.1666666667*(frac*frac*frac); - interp[2] = frac + 0.5*(frac*frac) - 0.5*(frac*frac*frac); - /*interp[2] = 1.f - 0.5f*frac - frac*frac + 0.5f*frac*frac*frac;*/ - interp[0] = -0.3333333333*frac + 0.5*(frac*frac) - 0.1666666667*(frac*frac*frac); - /* Just to make sure we don't have rounding problems */ - interp[1] = 1.f-interp[3]-interp[2]-interp[0]; - - /*sum = frac*accum[1] + (1-frac)*accum[2];*/ - return interp[0]*func->table[ind] + interp[1]*func->table[ind+1] + interp[2]*func->table[ind+2] + interp[3]*func->table[ind+3]; -} - -#if 0 -#include -int main(int argc, char **argv) -{ - int i; - for (i=0;i<256;i++) - { - printf ("%f\n", compute_func(i/256., KAISER12)); - } - return 0; -} -#endif - -#ifdef FIXED_POINT -/* The slow way of computing a sinc for the table. Should improve that some day */ -static spx_word16_t sinc(float cutoff, float x, int N, struct FuncDef *window_func) -{ - /*fprintf (stderr, "%f ", x);*/ - float xx = x * cutoff; - if (fabs(x)<1e-6f) - return WORD2INT(32768.*cutoff); - else if (fabs(x) > .5f*N) - return 0; - /*FIXME: Can it really be any slower than this? */ - return WORD2INT(32768.*cutoff*sin(M_PI*xx)/(M_PI*xx) * compute_func(fabs(2.*x/N), window_func)); -} -#else -/* The slow way of computing a sinc for the table. Should improve that some day */ -static spx_word16_t sinc(float cutoff, float x, int N, struct FuncDef *window_func) -{ - /*fprintf (stderr, "%f ", x);*/ - float xx = x * cutoff; - if (fabs(x)<1e-6) - return cutoff; - else if (fabs(x) > .5*N) - return 0; - /*FIXME: Can it really be any slower than this? */ - return cutoff*sin(M_PI*xx)/(M_PI*xx) * compute_func(fabs(2.*x/N), window_func); -} -#endif - -#ifdef FIXED_POINT -static void cubic_coef(spx_word16_t x, spx_word16_t interp[4]) -{ - /* Compute interpolation coefficients. I'm not sure whether this corresponds to cubic interpolation - but I know it's MMSE-optimal on a sinc */ - spx_word16_t x2, x3; - x2 = MULT16_16_P15(x, x); - x3 = MULT16_16_P15(x, x2); - interp[0] = PSHR32(MULT16_16(QCONST16(-0.16667f, 15),x) + MULT16_16(QCONST16(0.16667f, 15),x3),15); - interp[1] = EXTRACT16(EXTEND32(x) + SHR32(SUB32(EXTEND32(x2),EXTEND32(x3)),1)); - interp[3] = PSHR32(MULT16_16(QCONST16(-0.33333f, 15),x) + MULT16_16(QCONST16(.5f,15),x2) - MULT16_16(QCONST16(0.16667f, 15),x3),15); - /* Just to make sure we don't have rounding problems */ - interp[2] = Q15_ONE-interp[0]-interp[1]-interp[3]; - if (interp[2]<32767) - interp[2]+=1; -} -#else -static void cubic_coef(spx_word16_t frac, spx_word16_t interp[4]) -{ - /* Compute interpolation coefficients. I'm not sure whether this corresponds to cubic interpolation - but I know it's MMSE-optimal on a sinc */ - interp[0] = -0.16667f*frac + 0.16667f*frac*frac*frac; - interp[1] = frac + 0.5f*frac*frac - 0.5f*frac*frac*frac; - /*interp[2] = 1.f - 0.5f*frac - frac*frac + 0.5f*frac*frac*frac;*/ - interp[3] = -0.33333f*frac + 0.5f*frac*frac - 0.16667f*frac*frac*frac; - /* Just to make sure we don't have rounding problems */ - interp[2] = 1.-interp[0]-interp[1]-interp[3]; -} -#endif - -static int resampler_basic_direct_single(SpeexResamplerState *st, spx_uint32_t channel_index, const spx_word16_t *in, spx_uint32_t *in_len, spx_word16_t *out, spx_uint32_t *out_len) -{ - int N = st->filt_len; - int out_sample = 0; - spx_word16_t *mem; - int last_sample = st->last_sample[channel_index]; - spx_uint32_t samp_frac_num = st->samp_frac_num[channel_index]; - mem = st->mem + channel_index * st->mem_alloc_size; - while (!(last_sample >= (spx_int32_t)*in_len || out_sample >= (spx_int32_t)*out_len)) - { - int j; - spx_word32_t sum=0; - - /* We already have all the filter coefficients pre-computed in the table */ - const spx_word16_t *ptr; - /* Do the memory part */ - for (j=0;last_sample-N+1+j < 0;j++) - { - sum += MULT16_16(mem[last_sample+j],st->sinc_table[samp_frac_num*st->filt_len+j]); - } - - /* Do the new part */ - ptr = in+st->in_stride*(last_sample-N+1+j); - for (;jsinc_table[samp_frac_num*st->filt_len+j]); - ptr += st->in_stride; - } - - *out = PSHR32(sum,15); - out += st->out_stride; - out_sample++; - last_sample += st->int_advance; - samp_frac_num += st->frac_advance; - if (samp_frac_num >= st->den_rate) - { - samp_frac_num -= st->den_rate; - last_sample++; - } - } - st->last_sample[channel_index] = last_sample; - st->samp_frac_num[channel_index] = samp_frac_num; - return out_sample; -} - -#ifdef FIXED_POINT -#else -/* This is the same as the previous function, except with a double-precision accumulator */ -static int resampler_basic_direct_double(SpeexResamplerState *st, spx_uint32_t channel_index, const spx_word16_t *in, spx_uint32_t *in_len, spx_word16_t *out, spx_uint32_t *out_len) -{ - int N = st->filt_len; - int out_sample = 0; - spx_word16_t *mem; - int last_sample = st->last_sample[channel_index]; - spx_uint32_t samp_frac_num = st->samp_frac_num[channel_index]; - mem = st->mem + channel_index * st->mem_alloc_size; - while (!(last_sample >= (spx_int32_t)*in_len || out_sample >= (spx_int32_t)*out_len)) - { - int j; - double sum=0; - - /* We already have all the filter coefficients pre-computed in the table */ - const spx_word16_t *ptr; - /* Do the memory part */ - for (j=0;last_sample-N+1+j < 0;j++) - { - sum += MULT16_16(mem[last_sample+j],(double)st->sinc_table[samp_frac_num*st->filt_len+j]); - } - - /* Do the new part */ - ptr = in+st->in_stride*(last_sample-N+1+j); - for (;jsinc_table[samp_frac_num*st->filt_len+j]); - ptr += st->in_stride; - } - - *out = sum; - out += st->out_stride; - out_sample++; - last_sample += st->int_advance; - samp_frac_num += st->frac_advance; - if (samp_frac_num >= st->den_rate) - { - samp_frac_num -= st->den_rate; - last_sample++; - } - } - st->last_sample[channel_index] = last_sample; - st->samp_frac_num[channel_index] = samp_frac_num; - return out_sample; -} -#endif - -static int resampler_basic_interpolate_single(SpeexResamplerState *st, spx_uint32_t channel_index, const spx_word16_t *in, spx_uint32_t *in_len, spx_word16_t *out, spx_uint32_t *out_len) -{ - int N = st->filt_len; - int out_sample = 0; - spx_word16_t *mem; - int last_sample = st->last_sample[channel_index]; - spx_uint32_t samp_frac_num = st->samp_frac_num[channel_index]; - mem = st->mem + channel_index * st->mem_alloc_size; - while (!(last_sample >= (spx_int32_t)*in_len || out_sample >= (spx_int32_t)*out_len)) - { - int j; - spx_word32_t sum=0; - - /* We need to interpolate the sinc filter */ - spx_word32_t accum[4] = {0.f,0.f, 0.f, 0.f}; - spx_word16_t interp[4]; - const spx_word16_t *ptr; - int offset; - spx_word16_t frac; - offset = samp_frac_num*st->oversample/st->den_rate; -#ifdef FIXED_POINT - frac = PDIV32(SHL32((samp_frac_num*st->oversample) % st->den_rate,15),st->den_rate); -#else - frac = ((float)((samp_frac_num*st->oversample) % st->den_rate))/st->den_rate; -#endif - /* This code is written like this to make it easy to optimise with SIMD. - For most DSPs, it would be best to split the loops in two because most DSPs - have only two accumulators */ - for (j=0;last_sample-N+1+j < 0;j++) - { - spx_word16_t curr_mem = mem[last_sample+j]; - accum[0] += MULT16_16(curr_mem,st->sinc_table[4+(j+1)*st->oversample-offset-2]); - accum[1] += MULT16_16(curr_mem,st->sinc_table[4+(j+1)*st->oversample-offset-1]); - accum[2] += MULT16_16(curr_mem,st->sinc_table[4+(j+1)*st->oversample-offset]); - accum[3] += MULT16_16(curr_mem,st->sinc_table[4+(j+1)*st->oversample-offset+1]); - } - ptr = in+st->in_stride*(last_sample-N+1+j); - /* Do the new part */ - for (;jin_stride; - accum[0] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset-2]); - accum[1] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset-1]); - accum[2] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset]); - accum[3] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset+1]); - } - cubic_coef(frac, interp); - sum = MULT16_32_Q15(interp[0],accum[0]) + MULT16_32_Q15(interp[1],accum[1]) + MULT16_32_Q15(interp[2],accum[2]) + MULT16_32_Q15(interp[3],accum[3]); - - *out = PSHR32(sum,15); - out += st->out_stride; - out_sample++; - last_sample += st->int_advance; - samp_frac_num += st->frac_advance; - if (samp_frac_num >= st->den_rate) - { - samp_frac_num -= st->den_rate; - last_sample++; - } - } - st->last_sample[channel_index] = last_sample; - st->samp_frac_num[channel_index] = samp_frac_num; - return out_sample; -} - -#ifdef FIXED_POINT -#else -/* This is the same as the previous function, except with a double-precision accumulator */ -static int resampler_basic_interpolate_double(SpeexResamplerState *st, spx_uint32_t channel_index, const spx_word16_t *in, spx_uint32_t *in_len, spx_word16_t *out, spx_uint32_t *out_len) -{ - int N = st->filt_len; - int out_sample = 0; - spx_word16_t *mem; - int last_sample = st->last_sample[channel_index]; - spx_uint32_t samp_frac_num = st->samp_frac_num[channel_index]; - mem = st->mem + channel_index * st->mem_alloc_size; - while (!(last_sample >= (spx_int32_t)*in_len || out_sample >= (spx_int32_t)*out_len)) - { - int j; - spx_word32_t sum=0; - - /* We need to interpolate the sinc filter */ - double accum[4] = {0.f,0.f, 0.f, 0.f}; - float interp[4]; - const spx_word16_t *ptr; - float alpha = ((float)samp_frac_num)/st->den_rate; - int offset = samp_frac_num*st->oversample/st->den_rate; - float frac = alpha*st->oversample - offset; - /* This code is written like this to make it easy to optimise with SIMD. - For most DSPs, it would be best to split the loops in two because most DSPs - have only two accumulators */ - for (j=0;last_sample-N+1+j < 0;j++) - { - double curr_mem = mem[last_sample+j]; - accum[0] += MULT16_16(curr_mem,st->sinc_table[4+(j+1)*st->oversample-offset-2]); - accum[1] += MULT16_16(curr_mem,st->sinc_table[4+(j+1)*st->oversample-offset-1]); - accum[2] += MULT16_16(curr_mem,st->sinc_table[4+(j+1)*st->oversample-offset]); - accum[3] += MULT16_16(curr_mem,st->sinc_table[4+(j+1)*st->oversample-offset+1]); - } - ptr = in+st->in_stride*(last_sample-N+1+j); - /* Do the new part */ - for (;jin_stride; - accum[0] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset-2]); - accum[1] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset-1]); - accum[2] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset]); - accum[3] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset+1]); - } - cubic_coef(frac, interp); - sum = interp[0]*accum[0] + interp[1]*accum[1] + interp[2]*accum[2] + interp[3]*accum[3]; - - *out = PSHR32(sum,15); - out += st->out_stride; - out_sample++; - last_sample += st->int_advance; - samp_frac_num += st->frac_advance; - if (samp_frac_num >= st->den_rate) - { - samp_frac_num -= st->den_rate; - last_sample++; - } - } - st->last_sample[channel_index] = last_sample; - st->samp_frac_num[channel_index] = samp_frac_num; - return out_sample; -} -#endif - -static void update_filter(SpeexResamplerState *st) -{ - spx_uint32_t old_length; - - old_length = st->filt_len; - st->oversample = quality_map[st->quality].oversample; - st->filt_len = quality_map[st->quality].base_length; - - if (st->num_rate > st->den_rate) - { - /* down-sampling */ - st->cutoff = quality_map[st->quality].downsample_bandwidth * st->den_rate / st->num_rate; - /* FIXME: divide the numerator and denominator by a certain amount if they're too large */ - st->filt_len = st->filt_len*st->num_rate / st->den_rate; - /* Round down to make sure we have a multiple of 4 */ - st->filt_len &= (~0x3); - if (2*st->den_rate < st->num_rate) - st->oversample >>= 1; - if (4*st->den_rate < st->num_rate) - st->oversample >>= 1; - if (8*st->den_rate < st->num_rate) - st->oversample >>= 1; - if (16*st->den_rate < st->num_rate) - st->oversample >>= 1; - if (st->oversample < 1) - st->oversample = 1; - } else { - /* up-sampling */ - st->cutoff = quality_map[st->quality].upsample_bandwidth; - } - - /* Choose the resampling type that requires the least amount of memory */ - if (st->den_rate <= st->oversample) - { - spx_uint32_t i; - if (!st->sinc_table) - st->sinc_table = (spx_word16_t *)speex_alloc(st->filt_len*st->den_rate*sizeof(spx_word16_t)); - else if (st->sinc_table_length < st->filt_len*st->den_rate) - { - st->sinc_table = (spx_word16_t *)speex_realloc(st->sinc_table,st->filt_len*st->den_rate*sizeof(spx_word16_t)); - st->sinc_table_length = st->filt_len*st->den_rate; - } - for (i=0;iden_rate;i++) - { - spx_int32_t j; - for (j=0;jfilt_len;j++) - { - st->sinc_table[i*st->filt_len+j] = sinc(st->cutoff,((j-(spx_int32_t)st->filt_len/2+1)-((float)i)/st->den_rate), st->filt_len, quality_map[st->quality].window_func); - } - } -#ifdef FIXED_POINT - st->resampler_ptr = resampler_basic_direct_single; -#else - if (st->quality>8) - st->resampler_ptr = resampler_basic_direct_double; - else - st->resampler_ptr = resampler_basic_direct_single; -#endif - /*fprintf (stderr, "resampler uses direct sinc table and normalised cutoff %f\n", cutoff);*/ - } else { - spx_int32_t i; - if (!st->sinc_table) - st->sinc_table = (spx_word16_t *)speex_alloc((st->filt_len*st->oversample+8)*sizeof(spx_word16_t)); - else if (st->sinc_table_length < st->filt_len*st->oversample+8) - { - st->sinc_table = (spx_word16_t *)speex_realloc(st->sinc_table,(st->filt_len*st->oversample+8)*sizeof(spx_word16_t)); - st->sinc_table_length = st->filt_len*st->oversample+8; - } - for (i=-4;i<(spx_int32_t)(st->oversample*st->filt_len+4);i++) - st->sinc_table[i+4] = sinc(st->cutoff,(i/(float)st->oversample - st->filt_len/2), st->filt_len, quality_map[st->quality].window_func); -#ifdef FIXED_POINT - st->resampler_ptr = resampler_basic_interpolate_single; -#else - if (st->quality>8) - st->resampler_ptr = resampler_basic_interpolate_double; - else - st->resampler_ptr = resampler_basic_interpolate_single; -#endif - /*fprintf (stderr, "resampler uses interpolated sinc table and normalised cutoff %f\n", cutoff);*/ - } - st->int_advance = st->num_rate/st->den_rate; - st->frac_advance = st->num_rate%st->den_rate; - - - /* Here's the place where we update the filter memory to take into account - the change in filter length. It's probably the messiest part of the code - due to handling of lots of corner cases. */ - if (!st->mem) - { - spx_uint32_t i; - st->mem = (spx_word16_t*)speex_alloc(st->nb_channels*(st->filt_len-1) * sizeof(spx_word16_t)); - for (i=0;inb_channels*(st->filt_len-1);i++) - st->mem[i] = 0; - st->mem_alloc_size = st->filt_len-1; - /*speex_warning("init filter");*/ - } else if (!st->started) - { - spx_uint32_t i; - st->mem = (spx_word16_t*)speex_realloc(st->mem, st->nb_channels*(st->filt_len-1) * sizeof(spx_word16_t)); - for (i=0;inb_channels*(st->filt_len-1);i++) - st->mem[i] = 0; - st->mem_alloc_size = st->filt_len-1; - /*speex_warning("reinit filter");*/ - } else if (st->filt_len > old_length) - { - spx_int32_t i; - /* Increase the filter length */ - /*speex_warning("increase filter size");*/ - int old_alloc_size = st->mem_alloc_size; - if (st->filt_len-1 > st->mem_alloc_size) - { - st->mem = (spx_word16_t*)speex_realloc(st->mem, st->nb_channels*(st->filt_len-1) * sizeof(spx_word16_t)); - st->mem_alloc_size = st->filt_len-1; - } - for (i=st->nb_channels-1;i>=0;i--) - { - spx_int32_t j; - spx_uint32_t olen = old_length; - /*if (st->magic_samples[i])*/ - { - /* Try and remove the magic samples as if nothing had happened */ - - /* FIXME: This is wrong but for now we need it to avoid going over the array bounds */ - olen = old_length + 2*st->magic_samples[i]; - for (j=old_length-2+st->magic_samples[i];j>=0;j--) - st->mem[i*st->mem_alloc_size+j+st->magic_samples[i]] = st->mem[i*old_alloc_size+j]; - for (j=0;jmagic_samples[i];j++) - st->mem[i*st->mem_alloc_size+j] = 0; - st->magic_samples[i] = 0; - } - if (st->filt_len > olen) - { - /* If the new filter length is still bigger than the "augmented" length */ - /* Copy data going backward */ - for (j=0;jmem[i*st->mem_alloc_size+(st->filt_len-2-j)] = st->mem[i*st->mem_alloc_size+(olen-2-j)]; - /* Then put zeros for lack of anything better */ - for (;jfilt_len-1;j++) - st->mem[i*st->mem_alloc_size+(st->filt_len-2-j)] = 0; - /* Adjust last_sample */ - st->last_sample[i] += (st->filt_len - olen)/2; - } else { - /* Put back some of the magic! */ - st->magic_samples[i] = (olen - st->filt_len)/2; - for (j=0;jfilt_len-1+st->magic_samples[i];j++) - st->mem[i*st->mem_alloc_size+j] = st->mem[i*st->mem_alloc_size+j+st->magic_samples[i]]; - } - } - } else if (st->filt_len < old_length) - { - spx_uint32_t i; - /* Reduce filter length, this a bit tricky. We need to store some of the memory as "magic" - samples so they can be used directly as input the next time(s) */ - for (i=0;inb_channels;i++) - { - spx_uint32_t j; - spx_uint32_t old_magic = st->magic_samples[i]; - st->magic_samples[i] = (old_length - st->filt_len)/2; - /* We must copy some of the memory that's no longer used */ - /* Copy data going backward */ - for (j=0;jfilt_len-1+st->magic_samples[i]+old_magic;j++) - st->mem[i*st->mem_alloc_size+j] = st->mem[i*st->mem_alloc_size+j+st->magic_samples[i]]; - st->magic_samples[i] += old_magic; - } - } - -} - -SpeexResamplerState *speex_resampler_init(spx_uint32_t nb_channels, spx_uint32_t in_rate, spx_uint32_t out_rate, int quality, int *err) -{ - return speex_resampler_init_frac(nb_channels, in_rate, out_rate, in_rate, out_rate, quality, err); -} - -SpeexResamplerState *speex_resampler_init_frac(spx_uint32_t nb_channels, spx_uint32_t ratio_num, spx_uint32_t ratio_den, spx_uint32_t in_rate, spx_uint32_t out_rate, int quality, int *err) -{ - spx_uint32_t i; - SpeexResamplerState *st; - if (quality > 10 || quality < 0) - { - if (err) - *err = RESAMPLER_ERR_INVALID_ARG; - return NULL; - } - st = (SpeexResamplerState *)speex_alloc(sizeof(SpeexResamplerState)); - st->initialised = 0; - st->started = 0; - st->in_rate = 0; - st->out_rate = 0; - st->num_rate = 0; - st->den_rate = 0; - st->quality = -1; - st->sinc_table_length = 0; - st->mem_alloc_size = 0; - st->filt_len = 0; - st->mem = 0; - st->resampler_ptr = 0; - - st->cutoff = 1.f; - st->nb_channels = nb_channels; - st->in_stride = 1; - st->out_stride = 1; - - /* Per channel data */ - st->last_sample = (spx_int32_t*)speex_alloc(nb_channels*sizeof(int)); - st->magic_samples = (spx_uint32_t*)speex_alloc(nb_channels*sizeof(int)); - st->samp_frac_num = (spx_uint32_t*)speex_alloc(nb_channels*sizeof(int)); - for (i=0;ilast_sample[i] = 0; - st->magic_samples[i] = 0; - st->samp_frac_num[i] = 0; - } - - speex_resampler_set_quality(st, quality); - speex_resampler_set_rate_frac(st, ratio_num, ratio_den, in_rate, out_rate); - - - update_filter(st); - - st->initialised = 1; - if (err) - *err = RESAMPLER_ERR_SUCCESS; - - return st; -} - -void speex_resampler_destroy(SpeexResamplerState *st) -{ - speex_free(st->mem); - speex_free(st->sinc_table); - speex_free(st->last_sample); - speex_free(st->magic_samples); - speex_free(st->samp_frac_num); - speex_free(st); -} - - - -static int speex_resampler_process_native(SpeexResamplerState *st, spx_uint32_t channel_index, const spx_word16_t *in, spx_uint32_t *in_len, spx_word16_t *out, spx_uint32_t *out_len) -{ - int j=0; - int N = st->filt_len; - int out_sample = 0; - spx_word16_t *mem; - spx_uint32_t tmp_out_len = 0; - mem = st->mem + channel_index * st->mem_alloc_size; - st->started = 1; - - /* Handle the case where we have samples left from a reduction in filter length */ - if (st->magic_samples[channel_index]) - { - int istride_save; - spx_uint32_t tmp_in_len; - spx_uint32_t tmp_magic; - - istride_save = st->in_stride; - tmp_in_len = st->magic_samples[channel_index]; - tmp_out_len = *out_len; - /* magic_samples needs to be set to zero to avoid infinite recursion */ - tmp_magic = st->magic_samples[channel_index]; - st->magic_samples[channel_index] = 0; - st->in_stride = 1; - speex_resampler_process_native(st, channel_index, mem+N-1, &tmp_in_len, out, &tmp_out_len); - st->in_stride = istride_save; - /*speex_warning_int("extra samples:", tmp_out_len);*/ - /* If we couldn't process all "magic" input samples, save the rest for next time */ - if (tmp_in_len < tmp_magic) - { - spx_uint32_t i; - st->magic_samples[channel_index] = tmp_magic-tmp_in_len; - for (i=0;imagic_samples[channel_index];i++) - mem[N-1+i]=mem[N-1+i+tmp_in_len]; - } - out += tmp_out_len*st->out_stride; - *out_len -= tmp_out_len; - } - - /* Call the right resampler through the function ptr */ - out_sample = st->resampler_ptr(st, channel_index, in, in_len, out, out_len); - - if (st->last_sample[channel_index] < (spx_int32_t)*in_len) - *in_len = st->last_sample[channel_index]; - *out_len = out_sample+tmp_out_len; - st->last_sample[channel_index] -= *in_len; - - for (j=0;jin_stride*(j+*in_len-N+1)]; - - return RESAMPLER_ERR_SUCCESS; -} - -#define FIXED_STACK_ALLOC 1024 - -#ifdef FIXED_POINT -int speex_resampler_process_float(SpeexResamplerState *st, spx_uint32_t channel_index, const float *in, spx_uint32_t *in_len, float *out, spx_uint32_t *out_len) -{ - spx_uint32_t i; - int istride_save, ostride_save; -#ifdef VAR_ARRAYS - spx_word16_t x[*in_len]; - spx_word16_t y[*out_len]; - /*VARDECL(spx_word16_t *x); - VARDECL(spx_word16_t *y); - ALLOC(x, *in_len, spx_word16_t); - ALLOC(y, *out_len, spx_word16_t);*/ - istride_save = st->in_stride; - ostride_save = st->out_stride; - for (i=0;i<*in_len;i++) - x[i] = WORD2INT(in[i*st->in_stride]); - st->in_stride = st->out_stride = 1; - speex_resampler_process_native(st, channel_index, x, in_len, y, out_len); - st->in_stride = istride_save; - st->out_stride = ostride_save; - for (i=0;i<*out_len;i++) - out[i*st->out_stride] = y[i]; -#else - spx_word16_t x[FIXED_STACK_ALLOC]; - spx_word16_t y[FIXED_STACK_ALLOC]; - spx_uint32_t ilen=*in_len, olen=*out_len; - istride_save = st->in_stride; - ostride_save = st->out_stride; - while (ilen && olen) - { - spx_uint32_t ichunk, ochunk; - ichunk = ilen; - ochunk = olen; - if (ichunk>FIXED_STACK_ALLOC) - ichunk=FIXED_STACK_ALLOC; - if (ochunk>FIXED_STACK_ALLOC) - ochunk=FIXED_STACK_ALLOC; - for (i=0;iin_stride]); - st->in_stride = st->out_stride = 1; - speex_resampler_process_native(st, channel_index, x, &ichunk, y, &ochunk); - st->in_stride = istride_save; - st->out_stride = ostride_save; - for (i=0;iout_stride] = y[i]; - out += ochunk; - in += ichunk; - ilen -= ichunk; - olen -= ochunk; - } - *in_len -= ilen; - *out_len -= olen; -#endif - return RESAMPLER_ERR_SUCCESS; -} -int speex_resampler_process_int(SpeexResamplerState *st, spx_uint32_t channel_index, const spx_int16_t *in, spx_uint32_t *in_len, spx_int16_t *out, spx_uint32_t *out_len) -{ - return speex_resampler_process_native(st, channel_index, in, in_len, out, out_len); -} -#else -int speex_resampler_process_float(SpeexResamplerState *st, spx_uint32_t channel_index, const float *in, spx_uint32_t *in_len, float *out, spx_uint32_t *out_len) -{ - return speex_resampler_process_native(st, channel_index, in, in_len, out, out_len); -} -int speex_resampler_process_int(SpeexResamplerState *st, spx_uint32_t channel_index, const spx_int16_t *in, spx_uint32_t *in_len, spx_int16_t *out, spx_uint32_t *out_len) -{ - spx_uint32_t i; - int istride_save, ostride_save; -#ifdef VAR_ARRAYS - spx_word16_t x[*in_len]; - spx_word16_t y[*out_len]; - /*VARDECL(spx_word16_t *x); - VARDECL(spx_word16_t *y); - ALLOC(x, *in_len, spx_word16_t); - ALLOC(y, *out_len, spx_word16_t);*/ - istride_save = st->in_stride; - ostride_save = st->out_stride; - for (i=0;i<*in_len;i++) - x[i] = in[i*st->in_stride]; - st->in_stride = st->out_stride = 1; - speex_resampler_process_native(st, channel_index, x, in_len, y, out_len); - st->in_stride = istride_save; - st->out_stride = ostride_save; - for (i=0;i<*out_len;i++) - out[i*st->out_stride] = WORD2INT(y[i]); -#else - spx_word16_t x[FIXED_STACK_ALLOC]; - spx_word16_t y[FIXED_STACK_ALLOC]; - spx_uint32_t ilen=*in_len, olen=*out_len; - istride_save = st->in_stride; - ostride_save = st->out_stride; - while (ilen && olen) - { - spx_uint32_t ichunk, ochunk; - ichunk = ilen; - ochunk = olen; - if (ichunk>FIXED_STACK_ALLOC) - ichunk=FIXED_STACK_ALLOC; - if (ochunk>FIXED_STACK_ALLOC) - ochunk=FIXED_STACK_ALLOC; - for (i=0;iin_stride]; - st->in_stride = st->out_stride = 1; - speex_resampler_process_native(st, channel_index, x, &ichunk, y, &ochunk); - st->in_stride = istride_save; - st->out_stride = ostride_save; - for (i=0;iout_stride] = WORD2INT(y[i]); - out += ochunk; - in += ichunk; - ilen -= ichunk; - olen -= ochunk; - } - *in_len -= ilen; - *out_len -= olen; -#endif - return RESAMPLER_ERR_SUCCESS; -} -#endif - -int speex_resampler_process_interleaved_float(SpeexResamplerState *st, const float *in, spx_uint32_t *in_len, float *out, spx_uint32_t *out_len) -{ - spx_uint32_t i; - int istride_save, ostride_save; - spx_uint32_t bak_len = *out_len; - istride_save = st->in_stride; - ostride_save = st->out_stride; - st->in_stride = st->out_stride = st->nb_channels; - for (i=0;inb_channels;i++) - { - *out_len = bak_len; - speex_resampler_process_float(st, i, in+i, in_len, out+i, out_len); - } - st->in_stride = istride_save; - st->out_stride = ostride_save; - return RESAMPLER_ERR_SUCCESS; -} - - -int speex_resampler_process_interleaved_int(SpeexResamplerState *st, const spx_int16_t *in, spx_uint32_t *in_len, spx_int16_t *out, spx_uint32_t *out_len) -{ - spx_uint32_t i; - int istride_save, ostride_save; - spx_uint32_t bak_len = *out_len; - istride_save = st->in_stride; - ostride_save = st->out_stride; - st->in_stride = st->out_stride = st->nb_channels; - for (i=0;inb_channels;i++) - { - *out_len = bak_len; - speex_resampler_process_int(st, i, in+i, in_len, out+i, out_len); - } - st->in_stride = istride_save; - st->out_stride = ostride_save; - return RESAMPLER_ERR_SUCCESS; -} - -int speex_resampler_set_rate(SpeexResamplerState *st, spx_uint32_t in_rate, spx_uint32_t out_rate) -{ - return speex_resampler_set_rate_frac(st, in_rate, out_rate, in_rate, out_rate); -} - -void speex_resampler_get_rate(SpeexResamplerState *st, spx_uint32_t *in_rate, spx_uint32_t *out_rate) -{ - *in_rate = st->in_rate; - *out_rate = st->out_rate; -} - -int speex_resampler_set_rate_frac(SpeexResamplerState *st, spx_uint32_t ratio_num, spx_uint32_t ratio_den, spx_uint32_t in_rate, spx_uint32_t out_rate) -{ - spx_uint32_t fact; - spx_uint32_t old_den; - spx_uint32_t i; - if (st->in_rate == in_rate && st->out_rate == out_rate && st->num_rate == ratio_num && st->den_rate == ratio_den) - return RESAMPLER_ERR_SUCCESS; - - old_den = st->den_rate; - st->in_rate = in_rate; - st->out_rate = out_rate; - st->num_rate = ratio_num; - st->den_rate = ratio_den; - /* FIXME: This is terribly inefficient, but who cares (at least for now)? */ - for (fact=2;fact<=IMIN(st->num_rate, st->den_rate);fact++) - { - while ((st->num_rate % fact == 0) && (st->den_rate % fact == 0)) - { - st->num_rate /= fact; - st->den_rate /= fact; - } - } - - if (old_den > 0) - { - for (i=0;inb_channels;i++) - { - st->samp_frac_num[i]=st->samp_frac_num[i]*st->den_rate/old_den; - /* Safety net */ - if (st->samp_frac_num[i] >= st->den_rate) - st->samp_frac_num[i] = st->den_rate-1; - } - } - - if (st->initialised) - update_filter(st); - return RESAMPLER_ERR_SUCCESS; -} - -void speex_resampler_get_ratio(SpeexResamplerState *st, spx_uint32_t *ratio_num, spx_uint32_t *ratio_den) -{ - *ratio_num = st->num_rate; - *ratio_den = st->den_rate; -} - -int speex_resampler_set_quality(SpeexResamplerState *st, int quality) -{ - if (quality > 10 || quality < 0) - return RESAMPLER_ERR_INVALID_ARG; - if (st->quality == quality) - return RESAMPLER_ERR_SUCCESS; - st->quality = quality; - if (st->initialised) - update_filter(st); - return RESAMPLER_ERR_SUCCESS; -} - -void speex_resampler_get_quality(SpeexResamplerState *st, int *quality) -{ - *quality = st->quality; -} - -void speex_resampler_set_input_stride(SpeexResamplerState *st, spx_uint32_t stride) -{ - st->in_stride = stride; -} - -void speex_resampler_get_input_stride(SpeexResamplerState *st, spx_uint32_t *stride) -{ - *stride = st->in_stride; -} - -void speex_resampler_set_output_stride(SpeexResamplerState *st, spx_uint32_t stride) -{ - st->out_stride = stride; -} - -void speex_resampler_get_output_stride(SpeexResamplerState *st, spx_uint32_t *stride) -{ - *stride = st->out_stride; -} - -int speex_resampler_skip_zeros(SpeexResamplerState *st) -{ - spx_uint32_t i; - for (i=0;inb_channels;i++) - st->last_sample[i] = st->filt_len/2; - return RESAMPLER_ERR_SUCCESS; -} - -int speex_resampler_reset_mem(SpeexResamplerState *st) -{ - spx_uint32_t i; - for (i=0;inb_channels*(st->filt_len-1);i++) - st->mem[i] = 0; - return RESAMPLER_ERR_SUCCESS; -} - -const char *speex_resampler_strerror(int err) -{ - switch (err) - { - case RESAMPLER_ERR_SUCCESS: - return "Success."; - case RESAMPLER_ERR_ALLOC_FAILED: - return "Memory allocation failed."; - case RESAMPLER_ERR_BAD_STATE: - return "Bad resampler state."; - case RESAMPLER_ERR_INVALID_ARG: - return "Invalid argument."; - case RESAMPLER_ERR_PTR_OVERLAP: - return "Input and output buffers overlap."; - default: - return "Unknown error. Bad error code or strange version mismatch."; - } -} diff --git a/speex/speex_resampler.h b/speex/speex_resampler.h deleted file mode 100644 index c44fbcd..0000000 --- a/speex/speex_resampler.h +++ /dev/null @@ -1,328 +0,0 @@ -/* Copyright (C) 2007 Jean-Marc Valin - - File: speex_resampler.h - Resampling code - - The design goals of this code are: - - Very fast algorithm - - Low memory requirement - - Good *perceptual* quality (and not best SNR) - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are - met: - - 1. Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - - 2. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - 3. The name of the author may not be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, - INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. -*/ - - -#ifndef SPEEX_RESAMPLER_H -#define SPEEX_RESAMPLER_H - -#ifdef OUTSIDE_SPEEX - -/********* WARNING: MENTAL SANITY ENDS HERE *************/ - -/* If the resampler is defined outside of Speex, we change the symbol names so that - there won't be any clash if linking with Speex later on. */ - -/* #define RANDOM_PREFIX your software name here */ -#ifndef RANDOM_PREFIX -#error "Please define RANDOM_PREFIX (above) to something specific to your project to prevent symbol name clashes" -#endif - -#define CAT_PREFIX2(a,b) a ## b -#define CAT_PREFIX(a,b) CAT_PREFIX2(a, b) - -#define speex_resampler_init CAT_PREFIX(RANDOM_PREFIX,_resampler_init) -#define speex_resampler_init_frac CAT_PREFIX(RANDOM_PREFIX,_resampler_init_frac) -#define speex_resampler_destroy CAT_PREFIX(RANDOM_PREFIX,_resampler_destroy) -#define speex_resampler_process_float CAT_PREFIX(RANDOM_PREFIX,_resampler_process_float) -#define speex_resampler_process_int CAT_PREFIX(RANDOM_PREFIX,_resampler_process_int) -#define speex_resampler_process_interleaved_float CAT_PREFIX(RANDOM_PREFIX,_resampler_process_interleaved_float) -#define speex_resampler_process_interleaved_int CAT_PREFIX(RANDOM_PREFIX,_resampler_process_interleaved_int) -#define speex_resampler_set_rate CAT_PREFIX(RANDOM_PREFIX,_resampler_set_rate) -#define speex_resampler_get_rate CAT_PREFIX(RANDOM_PREFIX,_resampler_get_rate) -#define speex_resampler_set_rate_frac CAT_PREFIX(RANDOM_PREFIX,_resampler_set_rate_frac) -#define speex_resampler_get_ratio CAT_PREFIX(RANDOM_PREFIX,_resampler_get_ratio) -#define speex_resampler_set_quality CAT_PREFIX(RANDOM_PREFIX,_resampler_set_quality) -#define speex_resampler_get_quality CAT_PREFIX(RANDOM_PREFIX,_resampler_get_quality) -#define speex_resampler_set_input_stride CAT_PREFIX(RANDOM_PREFIX,_resampler_set_input_stride) -#define speex_resampler_get_input_stride CAT_PREFIX(RANDOM_PREFIX,_resampler_get_input_stride) -#define speex_resampler_set_output_stride CAT_PREFIX(RANDOM_PREFIX,_resampler_set_output_stride) -#define speex_resampler_get_output_stride CAT_PREFIX(RANDOM_PREFIX,_resampler_get_output_stride) -#define speex_resampler_skip_zeros CAT_PREFIX(RANDOM_PREFIX,_resampler_skip_zeros) -#define speex_resampler_reset_mem CAT_PREFIX(RANDOM_PREFIX,_resampler_reset_mem) -#define speex_resampler_strerror CAT_PREFIX(RANDOM_PREFIX,_resampler_strerror) - -#define spx_int16_t short -#define spx_int32_t int -#define spx_uint16_t unsigned short -#define spx_uint32_t unsigned int - -#else /* OUTSIDE_SPEEX */ - -#include "speex/speex_types.h" - -#endif /* OUTSIDE_SPEEX */ - -#ifdef __cplusplus -extern "C" { -#endif - -#define SPEEX_RESAMPLER_QUALITY_MAX 10 -#define SPEEX_RESAMPLER_QUALITY_MIN 0 -#define SPEEX_RESAMPLER_QUALITY_DEFAULT 4 -#define SPEEX_RESAMPLER_QUALITY_VOIP 3 -#define SPEEX_RESAMPLER_QUALITY_DESKTOP 5 - -enum { - RESAMPLER_ERR_SUCCESS = 0, - RESAMPLER_ERR_ALLOC_FAILED = 1, - RESAMPLER_ERR_BAD_STATE = 2, - RESAMPLER_ERR_INVALID_ARG = 3, - RESAMPLER_ERR_PTR_OVERLAP = 4, - - RESAMPLER_ERR_MAX_ERROR -}; - -struct SpeexResamplerState_; -typedef struct SpeexResamplerState_ SpeexResamplerState; - -/** Create a new resampler with integer input and output rates. - * @param nb_channels Number of channels to be processed - * @param in_rate Input sampling rate (integer number of Hz). - * @param out_rate Output sampling rate (integer number of Hz). - * @param quality Resampling quality between 0 and 10, where 0 has poor quality - * and 10 has very high quality. - * @return Newly created resampler state - * @retval NULL Error: not enough memory - */ -SpeexResamplerState *speex_resampler_init(spx_uint32_t nb_channels, - spx_uint32_t in_rate, - spx_uint32_t out_rate, - int quality, - int *err); - -/** Create a new resampler with fractional input/output rates. The sampling - * rate ratio is an arbitrary rational number with both the numerator and - * denominator being 32-bit integers. - * @param nb_channels Number of channels to be processed - * @param ratio_num Numerator of the sampling rate ratio - * @param ratio_den Denominator of the sampling rate ratio - * @param in_rate Input sampling rate rounded to the nearest integer (in Hz). - * @param out_rate Output sampling rate rounded to the nearest integer (in Hz). - * @param quality Resampling quality between 0 and 10, where 0 has poor quality - * and 10 has very high quality. - * @return Newly created resampler state - * @retval NULL Error: not enough memory - */ -SpeexResamplerState *speex_resampler_init_frac(spx_uint32_t nb_channels, - spx_uint32_t ratio_num, - spx_uint32_t ratio_den, - spx_uint32_t in_rate, - spx_uint32_t out_rate, - int quality, - int *err); - -/** Destroy a resampler state. - * @param st Resampler state - */ -void speex_resampler_destroy(SpeexResamplerState *st); - -/** Resample a float array. The input and output buffers must *not* overlap. - * @param st Resampler state - * @param channel_index Index of the channel to process for the multi-channel - * base (0 otherwise) - * @param in Input buffer - * @param in_len Number of input samples in the input buffer. Returns the - * number of samples processed - * @param out Output buffer - * @param out_len Size of the output buffer. Returns the number of samples written - */ -int speex_resampler_process_float(SpeexResamplerState *st, - spx_uint32_t channel_index, - const float *in, - spx_uint32_t *in_len, - float *out, - spx_uint32_t *out_len); - -/** Resample an int array. The input and output buffers must *not* overlap. - * @param st Resampler state - * @param channel_index Index of the channel to process for the multi-channel - * base (0 otherwise) - * @param in Input buffer - * @param in_len Number of input samples in the input buffer. Returns the number - * of samples processed - * @param out Output buffer - * @param out_len Size of the output buffer. Returns the number of samples written - */ -int speex_resampler_process_int(SpeexResamplerState *st, - spx_uint32_t channel_index, - const spx_int16_t *in, - spx_uint32_t *in_len, - spx_int16_t *out, - spx_uint32_t *out_len); - -/** Resample an interleaved float array. The input and output buffers must *not* overlap. - * @param st Resampler state - * @param in Input buffer - * @param in_len Number of input samples in the input buffer. Returns the number - * of samples processed. This is all per-channel. - * @param out Output buffer - * @param out_len Size of the output buffer. Returns the number of samples written. - * This is all per-channel. - */ -int speex_resampler_process_interleaved_float(SpeexResamplerState *st, - const float *in, - spx_uint32_t *in_len, - float *out, - spx_uint32_t *out_len); - -/** Resample an interleaved int array. The input and output buffers must *not* overlap. - * @param st Resampler state - * @param in Input buffer - * @param in_len Number of input samples in the input buffer. Returns the number - * of samples processed. This is all per-channel. - * @param out Output buffer - * @param out_len Size of the output buffer. Returns the number of samples written. - * This is all per-channel. - */ -int speex_resampler_process_interleaved_int(SpeexResamplerState *st, - const spx_int16_t *in, - spx_uint32_t *in_len, - spx_int16_t *out, - spx_uint32_t *out_len); - -/** Set (change) the input/output sampling rates (integer value). - * @param st Resampler state - * @param in_rate Input sampling rate (integer number of Hz). - * @param out_rate Output sampling rate (integer number of Hz). - */ -int speex_resampler_set_rate(SpeexResamplerState *st, - spx_uint32_t in_rate, - spx_uint32_t out_rate); - -/** Get the current input/output sampling rates (integer value). - * @param st Resampler state - * @param in_rate Input sampling rate (integer number of Hz) copied. - * @param out_rate Output sampling rate (integer number of Hz) copied. - */ -void speex_resampler_get_rate(SpeexResamplerState *st, - spx_uint32_t *in_rate, - spx_uint32_t *out_rate); - -/** Set (change) the input/output sampling rates and resampling ratio - * (fractional values in Hz supported). - * @param st Resampler state - * @param ratio_num Numerator of the sampling rate ratio - * @param ratio_den Denominator of the sampling rate ratio - * @param in_rate Input sampling rate rounded to the nearest integer (in Hz). - * @param out_rate Output sampling rate rounded to the nearest integer (in Hz). - */ -int speex_resampler_set_rate_frac(SpeexResamplerState *st, - spx_uint32_t ratio_num, - spx_uint32_t ratio_den, - spx_uint32_t in_rate, - spx_uint32_t out_rate); - -/** Get the current resampling ratio. This will be reduced to the least - * common denominator. - * @param st Resampler state - * @param ratio_num Numerator of the sampling rate ratio copied - * @param ratio_den Denominator of the sampling rate ratio copied - */ -void speex_resampler_get_ratio(SpeexResamplerState *st, - spx_uint32_t *ratio_num, - spx_uint32_t *ratio_den); - -/** Set (change) the conversion quality. - * @param st Resampler state - * @param quality Resampling quality between 0 and 10, where 0 has poor - * quality and 10 has very high quality. - */ -int speex_resampler_set_quality(SpeexResamplerState *st, - int quality); - -/** Get the conversion quality. - * @param st Resampler state - * @param quality Resampling quality between 0 and 10, where 0 has poor - * quality and 10 has very high quality. - */ -void speex_resampler_get_quality(SpeexResamplerState *st, - int *quality); - -/** Set (change) the input stride. - * @param st Resampler state - * @param stride Input stride - */ -void speex_resampler_set_input_stride(SpeexResamplerState *st, - spx_uint32_t stride); - -/** Get the input stride. - * @param st Resampler state - * @param stride Input stride copied - */ -void speex_resampler_get_input_stride(SpeexResamplerState *st, - spx_uint32_t *stride); - -/** Set (change) the output stride. - * @param st Resampler state - * @param stride Output stride - */ -void speex_resampler_set_output_stride(SpeexResamplerState *st, - spx_uint32_t stride); - -/** Get the output stride. - * @param st Resampler state copied - * @param stride Output stride - */ -void speex_resampler_get_output_stride(SpeexResamplerState *st, - spx_uint32_t *stride); - -/** Make sure that the first samples to go out of the resamplers don't have - * leading zeros. This is only useful before starting to use a newly created - * resampler. It is recommended to use that when resampling an audio file, as - * it will generate a file with the same length. For real-time processing, - * it is probably easier not to use this call (so that the output duration - * is the same for the first frame). - * @param st Resampler state - */ -int speex_resampler_skip_zeros(SpeexResamplerState *st); - -/** Reset a resampler so a new (unrelated) stream can be processed. - * @param st Resampler state - */ -int speex_resampler_reset_mem(SpeexResamplerState *st); - -/** Returns the English meaning for an error code - * @param err Error code - * @return English string - */ -const char *speex_resampler_strerror(int err); - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/src/Makefile b/src/Makefile new file mode 100644 index 0000000..bd82b1f --- /dev/null +++ b/src/Makefile @@ -0,0 +1,47 @@ +CFLAGS=-Wall -O0 -g -W -Wno-unused-parameter `pkg-config --cflags liboil-0.3` -DRANDOM_PREFIX=saspeex -DOUTSIDE_SPEEX -D_GNU_SOURCE -pthread +LIBS=-lm `pkg-config --libs liboil-0.3` + +SOURCES=common.c malloc.c oss.c bbuffer.c format.c volscale.c byteswap.c continued-fraction.c zero.c add.c speex/resample.c resample.c interleave.c converter.c g711.c mutex.c once.c thread.c bufferq.c # asyncq.c +OBJS=$(SOURCES:.c=.o) + +all: test-bufferq test-llist test-sine test-pull #test-asyncq + +test-bufferq: test-bufferq.o bufferq.o malloc.o #$(OBJS) + $(CC) $(CFLAGS) -o $@ $^ $(LIBS) + +test-llist: test-llist.o + $(CC) $(CFLAGS) -o $@ $^ $(LIBS) + +test-sine: $(OBJS) test-sine.o + $(CC) $(CFLAGS) -o $@ $^ $(LIBS) + +test-pull: $(OBJS) test-pull.o + $(CC) $(CFLAGS) -o $@ $^ $(LIBS) + +test-asyncq: $(OBJS) test-asyncq.o + $(CC) $(CFLAGS) -o $@ $^ $(LIBS) + +*.o: *.h + +indent: + indent -bdfa -brf -kr -nbbo -nbc -ip0 -ppi 4 -cs -nbfde -npsl -br -brs -bap -i4 -bs -cdw -ce -npcs -hnl -cli4 -nut -ci8 < oss.c +# astyle --indent=spaces=4 --brackets=attach --indent-switches --max-instatement-indent=40 --pad=oper --unpad=paren --convert-tabs --mode=c < oss.c + +clean: + rm -f *.o meta-name-table.h test-bufferq test-llist test-sine core test-pull speex/*.o + +common.o: meta-name-table.h + +meta-name-table.h: meta-name-table.gperf Makefile + gperf -t -N sa_lookup_meta_name -H sa_hash_meta_name -p -C < $< | sed -e 's/{""}/{"", 0}/g' > $@ + +fixme: + find -name '*.c' -exec fgrep -H -A 3 -B 3 -i FIXME \{\} \; + +update-speex: + wget -O speex/speex_resampler.h http://svn.xiph.org/trunk/speex/include/speex/speex_resampler.h + wget -O speex/resample.c http://svn.xiph.org/trunk/speex/libspeex/resample.c + wget -O speex/arch.h http://svn.xiph.org/trunk/speex/libspeex/arch.h + +warn-export: all + nm test-bufferq test-llist test-sine test-pull | grep " T " | awk '{print $$3}' | sort | uniq diff --git a/src/TODO b/src/TODO new file mode 100644 index 0000000..f12bf79 --- /dev/null +++ b/src/TODO @@ -0,0 +1,29 @@ +* Replace all "input", "output" with "read", "write" +* Vielleicht client_name nicht erzwingen, stattdessen /proc/self/exename nehmen o.ä. +* "adjust" channel map +* volume bei codecs? +* non-interleaved "int channel" -> "data[]" +* 24bit = 3 byte? 4 byte? + + +* real playback model +* threaded model + +* alsa +* jack +* pulse +* windows + + + +* s/sa_/syd_/g + +* vbr + +* should we notify about local volume changes? + +* drop the ability to query the current write index? + +* drop pread + +* stop thread diff --git a/src/add.c b/src/add.c new file mode 100644 index 0000000..b7714f4 --- /dev/null +++ b/src/add.c @@ -0,0 +1,51 @@ +#include + +#include "macro.h" +#include "add.h" + +static void add_u8(void *dst, size_t dstr, const void *src1, size_t sstr1, const void *src2, size_t sstr2, size_t bytes) { + uint8_t *d = dst; + const uint8_t *s1 = src1, *s2 = src2; + + for (; bytes > 0; bytes--, d += dstr, s1 += sstr1, s2 += sstr2) { + int16_t v = (int16_t) *s1 + (int16_t) *s2 - 0x80; + + v = CLAMP(v, 0, 0xFF); + *d = (uint8_t) v; + } +} + +static void add_s16(void *dst, size_t dstr, const void *src1, size_t sstr1, const void *src2, size_t sstr2, size_t bytes) { + oil_vectoradd_s_s16(dst, dstr, src1, sstr1, src2, sstr2, bytes/sizeof(int16_t)); +} + +static void add_s32(void *dst, size_t dstr, const void *src1, size_t sstr1, const void *src2, size_t sstr2, size_t bytes) { + int32_t *d = dst; + const int32_t *s1 = src1, *s2 = src2; + + for (; bytes > 0; bytes--, d += dstr/sizeof(int32_t), s1 += sstr1/sizeof(int32_t), s2 += sstr2/sizeof(int32_t)) { + int64_t v = (int64_t) *s1 + (uint64_t) *s2; + + v = CLAMP(v, -0x80000000, 0x7FFFFFFF); + *d = (int32_t) v; + } +} + +static void add_f32(void *dst, size_t dstr, const void *src1, size_t sstr1, const void *src2, size_t sstr2, size_t bytes) { + float a = 1, b = 1; + oil_vectoradd_f32(dst, dstr, src1, sstr1, src2, sstr2, bytes/sizeof(int32_t), &a, &b); +} + +sa_add_func_t sa_get_add_func(sa_pcm_format_t f) { + + static const sa_add_func_t funcs[_SA_PCM_FORMAT_MAX] = { + [SA_PCM_FORMAT_U8] = add_u8, + [SA_PCM_FORMAT_S16_NE] = add_s16, + [SA_PCM_FORMAT_S32_NE] = add_s32, + [SA_PCM_FORMAT_FLOAT32_NE] = add_f32 + }; + + sa_assert(f < _SA_PCM_FORMAT_MAX); + + return funcs[f]; +} diff --git a/src/add.h b/src/add.h new file mode 100644 index 0000000..6a31bc5 --- /dev/null +++ b/src/add.h @@ -0,0 +1,13 @@ +#ifndef foosydneyaddhfoo +#define foosydneyaddhfoo + +#include +#include + +#include "sydney.h" + +typedef void (*sa_add_func_t) (void *dst, size_t dstr, const void *src1, size_t sstr1, const void *src2, size_t sstr2, size_t bytes); + +sa_add_func_t sa_get_add_func(sa_pcm_format_t f); + +#endif diff --git a/src/asyncq.c b/src/asyncq.c new file mode 100644 index 0000000..54d7d5b --- /dev/null +++ b/src/asyncq.c @@ -0,0 +1,102 @@ +#include "sydney.h" +#include "asyncq.h" +#include "malloc.h" + +int sa_asyncq_init(sa_asyncq_t *a, size_t item_size) { + sa_assert(a); + + SA_LLIST_HEAD_INIT(sa_asyncq_item_t, a->items); + SA_LLIST_HEAD_INIT(sa_asyncq_item_t, a->unused); + + a->last = NULL; + a->item_size = item_size; + + if (!(a->mutex = sa_mutex_new(0))) + return SA_ERROR_OOM; + + return SA_SUCCESS; +} + +sa_asyncq_item_t *sa_asyncq_get(sa_asyncq_t *a) { + sa_assert(a); + + sa_mutex_lock(a->mutex); + + if ((i = a->unused)) + SA_LLIST_REMOVE(sa_asyncq_item_t, items, a->unused, i); + + sa_mutex_unlock(a->mutex); + + if (!i) + if (!(i = sa_malloc(SA_ALIGN(sa_asyncq_item_t) + a->item_size))) + return NULL; + + return i; +} + +void sa_asyncq_recycle(sa_asyncq_t *a, sa_asyncq_item_t *i) { + sa_assert(a); + sa_assert(i); + + sa_mutex_lock(a->mutex); + SA_LLIST_PREPEND(sa_asyncq_item_t, items, a->unused, i); + sa_mutex_unlock(a->mutex); +} + +void sa_asyncq_push(sa_asyncq_t *a, sa_asyncq_item_t *i) { + sa_assert(a); + sa_assert(i); + + sa_mutex_lock(a->mutex); + + if (a->last) + SA_LLIST_INSERT_AFTER(sa_asyncq_item_t, items, a->items, a->last, i); + else + SA_LLIST_PREPEND(sa_asyncq_item_t, items, a->items, i); + + a->last = i; + + sa_mutex_unlock(a->mutex); + + return SA_SUCCESS; +} + +sa_asyncq_item_t sa_asyncq_pop(sa_asyncq_t *a, int wait) { + sa_asyncq_item_t *i; + + sa_assert(a); + + if (wait) + sa_mutex_lock(a->mutex); + else + if (!sa_mutex_try_lock(a->mutex)) + return NULL; + + if ((i = a->items)) { + if (i == a->last) + a->last = NULL; + + SA_LLIST_REMOVE(sa_asyncq_item_t, items, a->items, i); + } + + sa_mutex_unlock(a->mutex); + + return i; +} + +void sa_asyncq_done(sa_asyncq_t *a) { + sa_asyncq_item_t *i; + sa_assert(a); + + /* The caller *must* pop all items from the queue before + * destructing us! */ + sa_assert(!a->items); + + if (a->mutex) + sa_mutex_free(a->mutex); + + while ((i = a->unused)) { + SA_LLIST_REMOVE(sa_asyncq_item_t, items, a->unused, i); + sa_free(i); + } +} diff --git a/src/asyncq.h b/src/asyncq.h new file mode 100644 index 0000000..2e60c23 --- /dev/null +++ b/src/asyncq.h @@ -0,0 +1,49 @@ +#ifndef foosydneyhasynchfoo +#define foosydneyhasynchfoo + +#include "llist.h" +#include "mutex.h" + +typedef struct sa_asyncq sa_asyncq_t; +typedef struct sa_asyncq_item sa_asyncq_item_t; + +struct sa_asyncq_item { + SA_LLIST_ITEM(sa_asyncq_item_t, items); +}; + +#define SA_ASYNCQ_ITEM_DATA(x) ((void*) ((uint8_t*) (x) + ALIGN(sizeof(sa_asyncq_item_t)))) + +struct sa_asyncq { + sa_mutex_t *mutex; + + SA_LLIST_HEAD(sa_asyncq_item_t, items); + SA_LLIST_HEAD(sa_asyncq_item_t, unused); + + sa_asyncq_item_t *last; + + size_t item_size; +}; + +/* Implements a simple asynchronous queue for + * inter-thread-communication. To reading side can act in a wait-free + * fashion (though not lock-free). Should only be used together with a + * non-sychrnoized backing buffer such as sa_bufferq. */ + +int sa_asyncq_init(sa_asyncq_t *a, size_t item_size); + +void sa_asyncq_done(sa_asyncq_t *a); + +/* Allocate a free queue item */ +sa_asyncq_item_t *sa_asyncq_get(sa_asyncq_t *a); + +/* Give the queue item back to the queue */ +void sa_asyncq_recycle(sa_asyncq_t *a); + +/* Push a previously allocated entry into the queue */ +void sa_asyncq_push(sa_asyncq_t *a, sa_asyncq_item_t *i); + +/* Pop an entry from the queue */ +sa_asyncq_item_t* sa_asyncq_pop(sa_asyncq_t *a, int wait); + + +#endif diff --git a/src/bbuffer.c b/src/bbuffer.c new file mode 100644 index 0000000..c8cbaa0 --- /dev/null +++ b/src/bbuffer.c @@ -0,0 +1,77 @@ +#include + +#include "bbuffer.h" +#include "sydney.h" +#include "malloc.h" +#include "macro.h" + +int sa_bbuffer_init(sa_bbuffer_t *b, unsigned nchannels, size_t sample_size) { + sa_assert(b); + sa_assert(nchannels > 0); + sa_assert(sample_size > 0); + + b->nchannels = nchannels; + b->sample_size = sample_size; + + if (!(b->data = sa_new0(void *, nchannels))) { + b->size = NULL; + return SA_ERROR_OOM; + } + + if (!(b->size = sa_new0(size_t, nchannels))) { + sa_free(b->data); + b->data = NULL; + return SA_ERROR_OOM; + } + + return SA_SUCCESS; +} + +void sa_bbuffer_done(sa_bbuffer_t *b) { + unsigned i; + sa_assert(b); + + if (b->data) { + for (i = 0; i < b->nchannels; i++) + sa_free(b->data[i]); + + sa_free(b->data); + } + + sa_free(b->size); + + b->data = NULL; + b->size = NULL; +} + +void* sa_bbuffer_get(sa_bbuffer_t *b, unsigned channel, size_t size, int interleave) { + sa_assert(b); + sa_assert(channel < b->nchannels); + sa_assert(size > 0); + + if (interleave) { + + if (!b->data[0] || size * b->nchannels > b->size[0]) { + sa_free(b->data[0]); + b->size[0] = size * b->nchannels; + + if (!(b->data[0] = sa_malloc(b->size[0]))) + return NULL; + } + + return (uint8_t*) b->data[0] + (b->sample_size * channel); + + } else { + + if (!b->data[channel] || size > b->size[channel]) { + + sa_free(b->data[channel]); + b->size[channel] = size; + + if (!(b->data[channel] = sa_malloc(size))) + return NULL; + } + + return b->data[channel]; + } +} diff --git a/src/bbuffer.h b/src/bbuffer.h new file mode 100644 index 0000000..6394a11 --- /dev/null +++ b/src/bbuffer.h @@ -0,0 +1,19 @@ +#ifndef foosydneybbufferhfoo +#define foosydneybbufferhfoo + +#include + +/* Simple bounce buffer management routines */ + +typedef struct sa_bbuffer { + void **data; + size_t *size; + unsigned nchannels; + size_t sample_size; +} sa_bbuffer_t; + +int sa_bbuffer_init(sa_bbuffer_t *b, unsigned nchannels, size_t sample_size); +void sa_bbuffer_done(sa_bbuffer_t *b); +void* sa_bbuffer_get(sa_bbuffer_t *b, unsigned channel, size_t size, int interleave); + +#endif diff --git a/src/bufferq.c b/src/bufferq.c new file mode 100644 index 0000000..1965dda --- /dev/null +++ b/src/bufferq.c @@ -0,0 +1,270 @@ +#include + +#include "malloc.h" +#include "macro.h" +#include "bufferq.h" + +#define SA_BUFFERQ_ITEM_CONCAT_DATA(x) ((void*) (uint8_t*) (x) + SA_ALIGN(sizeof(sa_bufferq_item_t))) + +int sa_bufferq_init(sa_bufferq_t *q, unsigned nchannels, size_t sample_size) { + sa_assert(q); + sa_assert(sample_size > 0); + sa_assert(nchannels > 0); + + memset(q, 0, sizeof(*q)); + q->sample_size = sample_size; + q->nchannels = nchannels; + + if (!(q->items = sa_new0(sa_bufferq_item_t*, nchannels))) + return SA_ERROR_OOM; + + if (!(q->last = sa_new0(sa_bufferq_item_t*, nchannels))) { + sa_free(q->items); + q->items = NULL; + return SA_ERROR_OOM; + } + + return SA_SUCCESS; +} + +void sa_bufferq_done(sa_bufferq_t *q) { + unsigned u; + sa_assert(q); + + for (u = 0; u < q->nchannels; u++) { + sa_bufferq_item_t *i; + + while ((i = q->items[u])) { + SA_LLIST_REMOVE(sa_bufferq_item_t, bufferq, q->items[u], i); + sa_free(i); + } + } + + sa_free(q->items); + sa_free(q->last); +} + +static sa_bufferq_item_t* bufferq_item_new(const void *d, int64_t idx, size_t size, sa_bufferq_item_type_t type) { + sa_bufferq_item_t *i; + sa_assert(size > 0); + + if (type == SA_BUFFERQ_ITEM_STATIC) { + if (!(i = sa_new(sa_bufferq_item_t, 1))) + return NULL; + i->data = (void*) d; + } else if (type == SA_BUFFERQ_ITEM_CONCATENATED) { + if (!(i = sa_malloc(SA_ALIGN(sizeof(sa_bufferq_item_t)) + size))) + return NULL; + i->data = SA_BUFFERQ_ITEM_CONCAT_DATA(i); + memcpy(i->data, d, size); + } else { + sa_assert(type == SA_BUFFERQ_ITEM_DYNAMIC); + + if (!(i = sa_new(sa_bufferq_item_t, 1))) + return NULL; + + i->data = (void*) d; + } + + i->type = type; + i->idx = idx; + i->size = size; + SA_LLIST_ITEM_INIT(sa_bufferq_item_t, bufferq, i); + + return i; +} + +static sa_bufferq_item_t* bufferq_item_make_writable(sa_bufferq_item_t *i) { + void *d; + sa_assert(i); + + if (i->type == SA_BUFFERQ_ITEM_CONCATENATED || i->type == SA_BUFFERQ_ITEM_DYNAMIC) + return i; + + if (!(d = sa_memdup(i->data, i->size))) + return NULL; + + i->data = d; + i->type = SA_BUFFERQ_ITEM_DYNAMIC; + return i; +} + +static void bufferq_item_free(sa_bufferq_item_t *i) { + sa_assert(i); + + if (i->type == SA_BUFFERQ_ITEM_DYNAMIC) + sa_free(i->data); + sa_free(i); +} + +int sa_bufferq_push(sa_bufferq_t *q, unsigned channel, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence, sa_bufferq_item_type_t type) { + int64_t idx; + sa_bufferq_item_t *i, *j, *n; + + sa_assert(q); + + switch (whence) { + case SA_SEEK_RELATIVE: + idx = q->write_index + offset; + break; + case SA_SEEK_ABSOLUTE: + idx = offset; + break; + case SA_SEEK_RELATIVE_END: + idx = q->end_index + offset; + break; + case _SA_SEEK_MAX: + sa_assert_not_reached(); + } + + if (q->read_index > idx && type != SA_BUFFERQ_ITEM_DYNAMIC) { + int64_t l = q->read_index - idx; + + if (l > nbytes) + l = nbytes; + + idx += l; + data += l; + nbytes -= l; + + } + + /* Allocate the new entry */ + if (!(j = bufferq_item_new(data, idx, nbytes, type))) + return SA_ERROR_OOM; + + /* Find the position where we need to insert the new entry */ + for (i = q->items[channel]; i && idx >= i->idx + i->size; i = i->bufferq_next) + ; + + /* Shorten the current entry if necessary */ + if (i && idx > i->idx) { + i->size = idx - i->idx; + i = i->bufferq_next; + } + + /* Insert the entry */ + if (i) + SA_LLIST_INSERT_BEFORE(sa_bufferq_item_t, bufferq, q->items[channel], i, j); + else { + if (q->last[channel]) + SA_LLIST_INSERT_AFTER(sa_bufferq_item_t, bufferq, q->items[channel], q->last[channel], j); + else + SA_LLIST_PREPEND(sa_bufferq_item_t, bufferq, q->items[channel], j); + + q->last[channel] = j; + } + + /* Now kick all the entries that overlap entirely with our new entry */ + for (i = j->bufferq_next; i && i->idx + i->size < j->idx + j->size ; i = n) { + n = i->bufferq_next; + SA_LLIST_REMOVE(sa_bufferq_item_t, bufferq, q->items[channel], i); + bufferq_item_free(i); + } + + q->write_index = idx + nbytes; + + if (q->write_index > q->end_index) + q->end_index = q->write_index; + + return SA_SUCCESS; +} + +void sa_bufferq_get(sa_bufferq_t *q, void *i[], size_t *bytes) { + int first = 1; + unsigned u; + sa_assert(q); + + *bytes = 0; + + for (u = 0; u < q->nchannels; u++) { + + if (q->items[u]) { + + if (q->items[u]->idx > q->read_index) { + int64_t l; + i[u] = NULL; + + l = q->items[u]->idx - q->read_index; + + if (first) { + *bytes = l; + first = 0; + } else + *bytes = l < *bytes ? l : *bytes; + } else { + int64_t l; + + i[u] = (uint8_t*) q->items[u]->data + q->read_index - q->items[u]->idx; + + l = q->items[u]->size - (q->read_index - q->items[u]->idx); + + if (first) { + *bytes = l; + first = 0; + } else + *bytes = l < *bytes ? l : *bytes; + } + + } else + i[u] = NULL; + } +} + + +void sa_bufferq_drop(sa_bufferq_t *q, int64_t bytes) { + unsigned u; + + sa_assert(q); + + q->read_index += bytes; + + for (u = 0; u < q->nchannels; u++) { + sa_bufferq_item_t *i; + + i = q->items[u]; + + while (i && q->read_index >= i->idx + i->size) { + sa_bufferq_item_t *n = i->bufferq_next; + + SA_LLIST_REMOVE(sa_bufferq_item_t, bufferq, q->items[u], i); + + bufferq_item_free(i); + i = n; + } + + if (!i) + q->last[u] = NULL; + } +} + +int sa_bufferq_realloc(sa_bufferq_t *q) { + unsigned u; + int fail = 0; + sa_assert(q); + + for (u = 0; u < q->nchannels; u++) { + sa_bufferq_item_t *i; + + for (i = q->items[u]; i; i = i->bufferq_next) { + + if (i->type != SA_BUFFERQ_ITEM_STATIC) + continue; + + if (!bufferq_item_make_writable(i)) { + fail = 1; + + /* Hmm, we couldn't allocate memory, but we can't + * return without doing anything, hence let's at least + * drop the reference to the statically allocated + * data */ + + i->size = 0; + i->data = SA_BUFFERQ_ITEM_CONCAT_DATA(i); + i->type = SA_BUFFERQ_ITEM_CONCATENATED; + } + } + } + + return fail ? SA_ERROR_OOM : SA_SUCCESS; +} diff --git a/src/bufferq.h b/src/bufferq.h new file mode 100644 index 0000000..2d53a45 --- /dev/null +++ b/src/bufferq.h @@ -0,0 +1,42 @@ +#ifndef foosydneybufferqhfoo +#define foosydneybufferqhfoo + +#include + +#include "macro.h" +#include "llist.h" +#include "sydney.h" + +typedef enum sa_bufferq_item_type { + SA_BUFFERQ_ITEM_CONCATENATED, + SA_BUFFERQ_ITEM_DYNAMIC, + SA_BUFFERQ_ITEM_STATIC +} sa_bufferq_item_type_t; + +typedef struct sa_bufferq_item { + void *data; + int64_t idx; + size_t size; + sa_bufferq_item_type_t type; + SA_LLIST_ITEM(struct sa_bufferq_item, bufferq); +} sa_bufferq_item_t; + +typedef struct sa_bufferq { + SA_LLIST_HEAD(sa_bufferq_item_t, *items); + sa_bufferq_item_t **last; + int64_t read_index, write_index, end_index; + size_t sample_size; + unsigned nchannels; +} sa_bufferq_t; + +int sa_bufferq_init(sa_bufferq_t *q, unsigned nchannels, size_t sample_size); + +void sa_bufferq_done(sa_bufferq_t *q); + +int sa_bufferq_push(sa_bufferq_t *q, unsigned channel, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence, sa_bufferq_item_type_t type); +int sa_bufferq_realloc(sa_bufferq_t *q); + +void sa_bufferq_get(sa_bufferq_t *q, void *i[], size_t *bytes); +void sa_bufferq_drop(sa_bufferq_t *q, int64_t bytes); + +#endif diff --git a/src/byteswap.c b/src/byteswap.c new file mode 100644 index 0000000..8ae0b7a --- /dev/null +++ b/src/byteswap.c @@ -0,0 +1,57 @@ +#include + +#include "macro.h" +#include "byteswap.h" + +static void byteswap16(void *_dst, size_t dstr, const void *_src, size_t sstr, size_t bytes) { + uint16_t *dst = _dst; + const uint16_t *src = _src; + unsigned n = bytes / sizeof(uint16_t); + + for (; n > 0; n--) { + *dst = (*src >> 8) | (*src << 8); + src += sstr / sizeof(uint16_t); + dst += dstr / sizeof(uint16_t); + } +} + +static void byteswap24(void *_dst, size_t dstr, const void *_src, size_t sstr, size_t bytes) { + uint8_t *dst = _dst; + const uint8_t *src = _src; + unsigned n = bytes / (sizeof(uint8_t)*3); + + for (; n > 0; n--) { + dst[0] = src[2]; + dst[2] = src[0]; + + src += sstr / (sizeof(uint8_t)*3); + dst += dstr / (sizeof(uint8_t)*3); + } +} + +static void byteswap32(void *_dst, size_t dstr, const void *_src, size_t sstr, size_t bytes) { + uint32_t *dst = _dst; + const uint32_t *src = _src; + unsigned n = bytes / sizeof(uint32_t); + + for (; n > 0; n--) { + *dst = (*src << 24) | ((*src & 0xFF00) << 8) | ((*src >> 8) & 0xFF00) | (*src >> 24); + src += sstr / sizeof(uint32_t); + dst += dstr / sizeof(uint32_t); + } +} + +sa_byteswap_func_t sa_get_byteswap_func(sa_pcm_format_t f) { + + static const sa_byteswap_func_t funcs[_SA_PCM_FORMAT_MAX] = { + [SA_PCM_FORMAT_S16_RE] = byteswap16, + [SA_PCM_FORMAT_S24_RE] = byteswap24, + [SA_PCM_FORMAT_S32_RE] = byteswap32, + [SA_PCM_FORMAT_FLOAT32_BE] = byteswap32, + }; + + sa_assert(f < _SA_PCM_FORMAT_MAX); + + return funcs[f]; +} + diff --git a/src/byteswap.h b/src/byteswap.h new file mode 100644 index 0000000..4116677 --- /dev/null +++ b/src/byteswap.h @@ -0,0 +1,12 @@ +#ifndef foosydneyhbyteswaphfoo +#define foosydneyhbyteswaphfoo + +#include + +#include "sydney.h" + +typedef void (*sa_byteswap_func_t) (void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes); + +sa_byteswap_func_t sa_get_byteswap_func(sa_pcm_format_t f); + +#endif diff --git a/src/common.c b/src/common.c new file mode 100644 index 0000000..5a81d02 --- /dev/null +++ b/src/common.c @@ -0,0 +1,1266 @@ +#include +#include +#include + +#include "sydney.h" +#include "macro.h" +#include "malloc.h" +#include "common.h" +#include "driver.h" +#include "mutex.h" + +/* contains code */ +#include "meta-name-table.h" + +static sa_stream_t *stream_alloc(void) { + sa_stream_t *d; + + if (!(d = sa_new0(sa_stream_t, 1))) + return NULL; + + /* All fields a carefully chosen in a way that initializing them + * NUL bytes is sufficient */ + + if (!(d->mutex = sa_mutex_new(0))) { + sa_free(d); + return NULL; + } + + return d; +} + +int sa_stream_create_opaque( + sa_stream_t **s, + const char *client_name, + sa_mode_t mode, + const char *codec) { + + int error; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(mode == SA_MODE_RDONLY || mode == SA_MODE_WRONLY || mode == SA_MODE_RDWR, SA_ERROR_INVALID); + sa_return_val_if_fail(codec, SA_ERROR_INVALID); + + if (!(*s = stream_alloc())) + return SA_ERROR_OOM; + + (*s)->mode = mode; + + if (!((*s)->codec = sa_strdup(codec))) { + error = SA_ERROR_OOM; + goto fail; + } + + oil_init(); + + if (client_name) + if ((error = sa_stream_change_meta_data(*s, SA_META_CLIENT_NAME, client_name, strlen(client_name)+1)) < 0) + goto fail; + + return SA_SUCCESS; + +fail: + sa_stream_destroy(*s); + return error; +} + +int sa_stream_create_pcm( + sa_stream_t **s, + const char *client_name, + sa_mode_t mode, + sa_pcm_format_t format, + unsigned rate, + unsigned nchannels) { + + int ret; + size_t lwm; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(mode == SA_MODE_RDONLY || mode == SA_MODE_WRONLY || mode == SA_MODE_RDWR, SA_ERROR_INVALID); + sa_return_val_if_fail(format < _SA_PCM_FORMAT_MAX, SA_ERROR_INVALID); + sa_return_val_if_fail(rate > 0, SA_ERROR_INVALID); + sa_return_val_if_fail(nchannels > 0, SA_ERROR_INVALID); + + if (!(*s = stream_alloc())) + return SA_ERROR_OOM; + + (*s)->mode = mode; + (*s)->pcm_attrs.format = format; + (*s)->pcm_attrs.nchannels = nchannels; + (*s)->pcm_sample_size = sa_get_pcm_sample_size(format); + (*s)->pcm_frame_size = (*s)->pcm_sample_size * nchannels; + + if (nchannels <= 2) { + static const sa_channel_t map_stereo[2] = { SA_CHANNEL_LEFT, SA_CHANNEL_RIGHT }; + static const sa_channel_t map_mono[1] = { SA_CHANNEL_MONO }; + + if ((ret = sa_stream_set_channel_map(*s, nchannels == 2 ? map_stereo : map_mono, nchannels))) + goto fail; + } + + if ((ret = sa_stream_change_rate(*s, rate))) + goto fail; + + lwm = ((*s)->pcm_frame_size * (*s)->pcm_attrs.rate) / 20; /* 50 ms */ + + if (lwm <= 0) + lwm = (*s)->pcm_frame_size * (*s)->pcm_attrs.rate; /* 1s */ + + if (mode & SA_MODE_RDONLY) { + + if ((ret = sa_stream_set_read_lower_watermark(*s, lwm))) + goto fail; + + if ((ret = sa_stream_set_read_upper_watermark(*s, lwm*2))) + goto fail; + } + + if (mode & SA_MODE_WRONLY) { + + if ((ret = sa_stream_set_write_lower_watermark(*s, lwm))) + goto fail; + + if ((ret = sa_stream_set_write_upper_watermark(*s, lwm*2))) + goto fail; + } + + oil_init(); + + if (client_name) + if ((ret = sa_stream_change_meta_data(*s, SA_META_CLIENT_NAME, client_name, strlen(client_name))) < 0) + goto fail; + + return SA_SUCCESS; + +fail: + + sa_stream_destroy(*s); + return ret; +} + +int sa_stream_open(sa_stream_t *s) { + int ret; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, s->codec || s->pcm_attrs.channel_map, SA_ERROR_NO_INIT); + sa_return_val_if_fail_mutex(s->mutex, !(s->mode & SA_MODE_RDONLY) || (s->read_lower_watermark <= s->read_upper_watermark), SA_ERROR_INVALID); + sa_return_val_if_fail_mutex(s->mutex, !(s->mode & SA_MODE_WRONLY) || (s->write_lower_watermark <= s->write_upper_watermark), SA_ERROR_INVALID); + sa_return_val_if_fail_mutex(s->mutex, !(s->mode & SA_MODE_RDONLY) || !s->codec || (s->read_lower_watermark > 0 && s->read_upper_watermark > 0), SA_ERROR_NO_INIT); + sa_return_val_if_fail_mutex(s->mutex, !(s->mode & SA_MODE_WRONLY) || !s->codec || (s->write_lower_watermark > 0 && s->write_upper_watermark > 0), SA_ERROR_NO_INIT); + + if ((ret = driver_open(s)) == 0) + s->state = SA_STATE_STOPPED; + + sa_mutex_unlock(s->mutex); + + return ret; +} + +int sa_stream_destroy(sa_stream_t *s) { + int ret; + unsigned u; + + sa_return_val_if_fail_mutex(s->mutex, s, SA_ERROR_INVALID); + + ret = driver_destroy(s); + + sa_free(s->codec); + sa_free(s->driver); + sa_free(s->device); + sa_free(s->pcm_attrs.channel_map); + sa_free(s->read_volume); + sa_free(s->write_volume); + + for (u = 0; u < _META_NAMES_MAX; u++) + sa_free(s->meta_data[u]); + + sa_mutex_free(s->mutex); + sa_free(s); + return ret; +} + +int sa_stream_set_write_lower_watermark(sa_stream_t *s, size_t size) { + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(size > 0, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_WRONLY, SA_ERROR_STATE); + + s->write_lower_watermark = size; + + sa_mutex_unlock(s->mutex); + + return SA_SUCCESS; +} + +int sa_stream_set_read_lower_watermark(sa_stream_t *s, size_t size) { + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(size > 0, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_RDONLY, SA_ERROR_STATE); + + s->read_lower_watermark = size; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_set_write_upper_watermark(sa_stream_t *s, size_t size) { + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(size > 0, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_WRONLY, SA_ERROR_STATE); + + s->write_upper_watermark = size; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_set_read_upper_watermark(sa_stream_t *s, size_t size) { + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(size > 0, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_RDONLY, SA_ERROR_STATE); + + s->read_upper_watermark = size; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_set_channel_map(sa_stream_t *s, const sa_channel_t *map, unsigned n) { + const sa_channel_t *c; + sa_channel_t *m; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(map, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, n == s->pcm_attrs.nchannels, SA_ERROR_INVALID); + + for (c = map; n > 0; c++, n--) + if (*c >= _SA_CHANNEL_MAX) { + sa_mutex_unlock(s->mutex); + return SA_ERROR_INVALID; + } + + if (!(m = sa_memdup(map, sizeof(sa_channel_t) * s->pcm_attrs.nchannels))) { + sa_mutex_unlock(s->mutex); + return SA_ERROR_OOM; + } + + sa_free(s->pcm_attrs.channel_map); + s->pcm_attrs.channel_map = m; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_set_xrun_mode(sa_stream_t *s, sa_xrun_mode_t mode) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(mode == SA_XRUN_MODE_STOP || mode == SA_XRUN_MODE_SPIN, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); + + s->xrun_mode = mode; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_set_non_interleaved(sa_stream_t *s, int enable) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_INVALID); + sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); + + s->ni_enabled = !!enable; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_set_dynamic_rate(sa_stream_t *s, int enable) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_INVALID); + sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); + + s->dynamic_rate_enabled = !!enable; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_set_driver(sa_stream_t *s, const char *driver) { + char *d; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(driver, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); + + if (!(d = sa_strdup(driver))) { + sa_mutex_unlock(s->mutex); + return SA_ERROR_OOM; + } + + sa_free(s->driver); + s->driver = d; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_start_thread(sa_stream_t *s, sa_event_callback_t callback) { + int r; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(callback, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, !s->callback, SA_ERROR_STATE); + + r = driver_start_thread(s, callback); + + if (r == SA_SUCCESS) + s->callback = callback; + + sa_mutex_unlock(s->mutex); + return r; +} + +int sa_stream_stop_thread(sa_stream_t *s) { + int r; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, s->callback, SA_ERROR_STATE); + + r = driver_stop_thread(s); + + if (r == SA_SUCCESS) + s->callback = NULL; + + sa_mutex_unlock(s->mutex); + return r; +} + +int sa_stream_change_device(sa_stream_t *s, const char *device_name) { + char *d; + int ret; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(device_name, SA_ERROR_INVALID); + + if (!(d = sa_strdup(device_name))) + return SA_ERROR_OOM; + + sa_mutex_lock(s->mutex); + + ret = s->state == SA_STATE_INIT ? SA_SUCCESS : driver_change_device(s, device_name); + + if (ret == SA_SUCCESS) { + sa_free(s->device); + s->device = d; + } else + sa_free(d); + + sa_mutex_unlock(s->mutex); + + return ret; +} + +int sa_stream_change_read_volume(sa_stream_t *s, const int32_t vol[], unsigned n) { + int *v, ret; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(vol, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_RDONLY, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, (!s->codec && n == s->pcm_attrs.nchannels) || s->pcm_attrs.nchannels == 1, SA_ERROR_INVALID); + + if (s->codec || s->pcm_attrs.nchannels == n) { + if (!(v = sa_newdup(int32_t, vol, n))) { + sa_mutex_unlock(s->mutex); + return SA_ERROR_OOM; + } + } else { + unsigned i; + + if (!(v = sa_new(int32_t, s->pcm_attrs.nchannels))) { + sa_mutex_unlock(s->mutex); + return SA_ERROR_OOM; + } + + for (i = 0; i < s->pcm_attrs.nchannels; i++) + v[i] = vol[0]; + } + + ret = s->state == SA_STATE_INIT ? SA_SUCCESS : driver_change_read_volume(s, v); + + if (ret == SA_SUCCESS) { + sa_free(s->read_volume); + s->read_volume = v; + } else + sa_free(v); + + sa_mutex_unlock(s->mutex); + return ret; +} + +int sa_stream_change_write_volume(sa_stream_t *s, const int32_t vol[], unsigned n) { + int *v, ret; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(vol, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_WRONLY, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, (!s->codec && n == s->pcm_attrs.nchannels) || s->pcm_attrs.nchannels == 1, SA_ERROR_INVALID); + + if (s->codec || s->pcm_attrs.nchannels == n) { + if (!(v = sa_newdup(int32_t, vol, n))) { + sa_mutex_unlock(s->mutex); + return SA_ERROR_OOM; + } + } else { + unsigned i; + + if (!(v = sa_new(int32_t, s->pcm_attrs.nchannels))) { + sa_mutex_unlock(s->mutex); + return SA_ERROR_OOM; + } + + for (i = 0; i < s->pcm_attrs.nchannels; i++) + v[i] = vol[0]; + } + + ret = s->state == SA_STATE_INIT ? SA_SUCCESS : driver_change_write_volume(s, v); + + if (ret == SA_SUCCESS) { + sa_free(s->write_volume); + s->write_volume = v; + } else + sa_free(v); + + sa_mutex_unlock(s->mutex); + return ret; +} + +int sa_stream_change_rate(sa_stream_t *s, unsigned rate) { + int ret; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(rate > 0, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, s->dynamic_rate_enabled || s->state == SA_STATE_INIT, SA_ERROR_STATE); + + ret = s->state == SA_STATE_INIT ? SA_SUCCESS : driver_change_rate(s, rate); + + if (ret == SA_SUCCESS) + s->pcm_attrs.rate = rate; + + sa_mutex_unlock(s->mutex); + return ret; +} + +int sa_stream_change_user_data(sa_stream_t *s, const void *value) { + sa_return_val_if_fail(s->mutex, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + + s->user_data = (void*) value; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_set_adjust_rate(sa_stream_t *s, sa_adjust_t direction) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); + + s->adjust_rate = direction; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_set_adjust_nchannels(sa_stream_t *s, sa_adjust_t direction) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); + + s->adjust_rate = direction; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_set_adjust_pcm_format(sa_stream_t *s, sa_adjust_t direction) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); + + s->adjust_pcm_format = direction; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_set_adjust_watermarks(sa_stream_t *s, sa_adjust_t direction) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_INIT, SA_ERROR_STATE); + + s->adjust_watermarks = direction; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_state(sa_stream_t *s, sa_state_t *state) { + int ret; + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, state, SA_ERROR_INVALID); + + if (s->state == SA_STATE_INIT) { + *state = s->state; + ret = SA_SUCCESS; + } else + ret = driver_get_state(s, state); + + sa_mutex_unlock(s->mutex); + return ret; +} + +int sa_stream_get_rate(sa_stream_t *s, unsigned *rate) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(rate, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); + + *rate = s->pcm_attrs.rate; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_nchannels(sa_stream_t *s, int *nchannels) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(nchannels, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); + + *nchannels = s->pcm_attrs.nchannels; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_pcm_format(sa_stream_t *s, sa_pcm_format_t *pcm_format) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(pcm_format, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); + + *pcm_format = s->pcm_attrs.format; + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_mode(sa_stream_t *s, sa_mode_t *access_mode) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(access_mode, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + + *access_mode = s->mode; + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_codec(sa_stream_t *s, char *codec, size_t *size) { + size_t n; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(size && (*size == 0 || codec), SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->codec, SA_ERROR_STATE); + + n = strlen(s->codec)+1; + if (*size < n) { + sa_mutex_unlock(s->mutex); + return SA_ERROR_NO_SPACE; + } + + if (codec) + strcpy(codec, s->codec); + *size = n; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_write_lower_watermark(sa_stream_t *s, size_t *size) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(size, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_WRONLY, SA_ERROR_STATE); + + *size = s->write_lower_watermark; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_read_lower_watermark(sa_stream_t *s, size_t *size) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(size, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_RDONLY, SA_ERROR_STATE); + + *size = s->read_lower_watermark; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_write_upper_watermark(sa_stream_t *s, size_t *size) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(size, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_WRONLY, SA_ERROR_STATE); + + *size = s->write_upper_watermark; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_read_upper_watermark(sa_stream_t *s, size_t *size) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(size, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_RDONLY, SA_ERROR_STATE); + + *size = s->read_upper_watermark; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_channel_map(sa_stream_t *s, sa_channel_t *map, unsigned *n) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(n && (*n == 0 || map), SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); + + if (*n < s->pcm_attrs.nchannels) { + sa_mutex_unlock(s->mutex); + return SA_ERROR_NO_SPACE; + } + + if (map) + memcpy(map, s->pcm_attrs.channel_map, s->pcm_attrs.nchannels * sizeof(sa_channel_t)); + *n = s->pcm_attrs.nchannels; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_xrun_mode(sa_stream_t *s, sa_xrun_mode_t *mode) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(mode, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + + *mode = s->xrun_mode; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_non_interleaved(sa_stream_t *s, int *enabled) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(enabled, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + + *enabled = s->ni_enabled; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_dynamic_rate(sa_stream_t *s, int *enabled) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(enabled, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + + *enabled = s->dynamic_rate_enabled; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_driver(sa_stream_t *s, char *driver, size_t *size) { + size_t n; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(size && (*size == 0 || driver), SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->driver, SA_ERROR_STATE); + + n = strlen(s->driver)+1; + if (*size < n) { + sa_mutex_unlock(s->mutex); + return SA_ERROR_NO_SPACE; + } + + if (driver) + strcpy(driver, s->driver); + *size = n; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_device(sa_stream_t *s, char *device, size_t *size) { + size_t n; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(size && (*size == 0 || device), SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->device, SA_ERROR_STATE); + + n = strlen(s->device)+1; + if (*size < n) { + sa_mutex_unlock(s->mutex); + return SA_ERROR_NO_SPACE; + } + + if (device) + strcpy(device, s->device); + *size = n; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_read_volume(sa_stream_t *s, int32_t vol[], unsigned *n) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(n && (*n == 0 || vol), SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_RDONLY, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, s->read_volume, SA_ERROR_STATE); + + if (*n < s->pcm_attrs.nchannels) { + sa_mutex_unlock(s->mutex); + return SA_ERROR_NO_SPACE; + } + + if (vol) + memcpy(vol, s->read_volume, s->pcm_attrs.nchannels * sizeof(int32_t)); + *n = s->pcm_attrs.nchannels; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_write_volume(sa_stream_t *s, int32_t vol[], unsigned *n) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(n && (*n == 0 || vol), SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_WRONLY, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, s->write_volume, SA_ERROR_STATE); + + if (*n < s->pcm_attrs.nchannels) { + sa_mutex_unlock(s->mutex); + return SA_ERROR_NO_SPACE; + } + + if (vol) + memcpy(vol, s->write_volume, s->pcm_attrs.nchannels * sizeof(int32_t)); + *n = s->pcm_attrs.nchannels; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_adjust_rate(sa_stream_t *s, sa_adjust_t *direction) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(direction, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); + + *direction = s->adjust_rate; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_adjust_nchannels(sa_stream_t *s, sa_adjust_t *direction) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(direction, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); + + *direction = s->adjust_nchannels; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_adjust_pcm_format(sa_stream_t *s, sa_adjust_t *direction) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(direction, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); + + *direction = s->adjust_pcm_format; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_adjust_watermarks(sa_stream_t *s, sa_adjust_t *direction) { + sa_return_val_if_fail_mutex(s->mutex, s, SA_ERROR_INVALID); + sa_return_val_if_fail_mutex(s->mutex, direction, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + + *direction = s->adjust_watermarks; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_user_data(sa_stream_t *s, void **value) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(value, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + + *value = s->user_data; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_event_error(sa_stream_t *s, sa_error_t *error) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(error, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->event == SA_EVENT_ERROR, SA_ERROR_STATE); + + *error = s->error; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_event_notify(sa_stream_t *s, sa_notify_t *notify) { + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(notify, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->event == SA_EVENT_NOTIFY, SA_ERROR_STATE); + + *notify = s->notify; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +int sa_stream_get_position(sa_stream_t *s, sa_position_t position, int64_t *pos) { + int ret; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(pos, SA_ERROR_INVALID); + sa_return_val_if_fail(position < _SA_POSITION_MAX, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); + + ret = driver_get_position(s, position, pos); + + sa_mutex_unlock(s->mutex); + return ret; +} + +int sa_stream_read(sa_stream_t *s, void *data, size_t nbytes) { + int ret; + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(data, SA_ERROR_INVALID); + sa_return_val_if_fail(nbytes > 0, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, !s->ni_enabled, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, s->codec || (nbytes % s->pcm_frame_size) == 0, SA_ERROR_INVALID); + sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_RDONLY, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); + + ret = driver_read(s, data, nbytes); + + sa_mutex_unlock(s->mutex); + return ret; +} + +int sa_stream_read_ni(sa_stream_t *s, unsigned channel, void *data, size_t nbytes) { + int ret; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(data, SA_ERROR_INVALID); + sa_return_val_if_fail(nbytes > 0, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, channel < s->pcm_attrs.nchannels, SA_ERROR_INVALID); + sa_return_val_if_fail_mutex(s->mutex, s->ni_enabled, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, (nbytes % s->pcm_sample_size) == 0, SA_ERROR_INVALID); + sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_RDONLY, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); + + ret = driver_read_ni(s, channel, data, nbytes); + + sa_mutex_unlock(s->mutex); + return ret; +} + +int sa_stream_write(sa_stream_t *s, const void *data, size_t nbytes) { + return sa_stream_pwrite(s, data, nbytes, 0, SA_SEEK_RELATIVE); +} + +int sa_stream_write_ni(sa_stream_t *s, unsigned channel, const void *data, size_t nbytes) { + return sa_stream_pwrite_ni(s, channel, data, nbytes, 0, SA_SEEK_RELATIVE); +} + +int sa_stream_pwrite(sa_stream_t *s, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence) { + int ret; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(data, SA_ERROR_INVALID); + sa_return_val_if_fail(nbytes > 0, SA_ERROR_INVALID); + sa_return_val_if_fail(whence == SA_SEEK_RELATIVE || whence == SA_SEEK_ABSOLUTE || whence == SA_SEEK_RELATIVE_END, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, !s->ni_enabled, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, s->codec || (nbytes % s->pcm_frame_size) == 0, SA_ERROR_INVALID); + sa_return_val_if_fail_mutex(s->mutex, s->codec || (offset % s->pcm_frame_size) == 0, SA_ERROR_INVALID); + sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_WRONLY, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); + + ret = driver_pwrite(s, data, nbytes, offset, whence); + + sa_mutex_unlock(s->mutex); + return ret; +} + +int sa_stream_pwrite_ni(sa_stream_t *s, unsigned channel, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence) { + int ret; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(data, SA_ERROR_INVALID); + sa_return_val_if_fail(nbytes > 0, SA_ERROR_INVALID); + sa_return_val_if_fail(whence == SA_SEEK_RELATIVE || whence == SA_SEEK_ABSOLUTE || whence == SA_SEEK_RELATIVE_END, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, !s->codec, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, channel < s->pcm_attrs.nchannels, SA_ERROR_INVALID); + sa_return_val_if_fail_mutex(s->mutex, s->ni_enabled, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, (nbytes % s->pcm_sample_size) == 0, SA_ERROR_INVALID); + sa_return_val_if_fail_mutex(s->mutex, (offset % s->pcm_sample_size) == 0, SA_ERROR_INVALID); + sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_WRONLY, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); + + ret = driver_pwrite_ni(s, channel, data, nbytes, offset, whence); + + sa_mutex_unlock(s->mutex); + return ret; +} + +int sa_stream_get_read_size(sa_stream_t *s, size_t *size) { + int ret; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(size, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_RDONLY, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); + + ret = driver_get_read_size(s, size); + + sa_mutex_unlock(s->mutex); + return ret; +} + +int sa_stream_get_write_size(sa_stream_t *s, size_t *size) { + int ret; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(size, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_WRONLY, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); + + ret = driver_get_write_size(s, size); + + sa_mutex_unlock(s->mutex); + return ret; +} + +int sa_stream_resume(sa_stream_t *s) { + int ret; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); + + ret = driver_resume(s); + + sa_mutex_unlock(s->mutex); + return ret; +} + +int sa_stream_pause(sa_stream_t *s) { + int ret; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); + + ret = driver_pause(s); + + sa_mutex_unlock(s->mutex); + return ret; +} + +int sa_stream_drain(sa_stream_t *s) { + int ret; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, s->mode & SA_MODE_WRONLY, SA_ERROR_STATE); + sa_return_val_if_fail_mutex(s->mutex, s->state == SA_STATE_RUNNING || s->state == SA_STATE_STOPPED, SA_ERROR_STATE); + + ret = driver_drain(s); + + sa_mutex_unlock(s->mutex); + return ret; +} + +size_t sa_get_pcm_sample_size(sa_pcm_format_t f) { + + switch (f) { + case SA_PCM_FORMAT_U8: + case SA_PCM_FORMAT_ULAW: + case SA_PCM_FORMAT_ALAW: + return 1; + + case SA_PCM_FORMAT_S16_LE: + case SA_PCM_FORMAT_S16_BE: + return 2; + case SA_PCM_FORMAT_S24_LE: + case SA_PCM_FORMAT_S24_BE: + return 3; + + case SA_PCM_FORMAT_S32_LE: + case SA_PCM_FORMAT_S32_BE: + case SA_PCM_FORMAT_FLOAT32_LE: + case SA_PCM_FORMAT_FLOAT32_BE: + return 4; + + case _SA_PCM_FORMAT_MAX: + ; + } + + sa_assert_not_reached(); +} + +static int meta_check_png(const void *data, size_t size) { + static const uint8_t png_signature[] = { 0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A }; + sa_assert(data); + + if (size < sizeof(png_signature)) + return 0; + + return memcmp(data, png_signature, 8) == 0; +} + +static int meta_check_utf8(const void *data, size_t size) { + int32_t idx; + + oil_utf8_validate(&idx, data, size); + + return (size_t) idx == size; +} + +static int meta_check_pid(const void *data, size_t size) { + long int pid; + char *t; + + if (size <= 0) + return 0; + + if (memchr(data, 0, size)) + return 0; + + if (!(t = sa_strndup(data, size))) + return 0; + + errno = 0; + pid = strtol(t, NULL, 10); + sa_free(t); + + if (errno != 0) + return 0; + + if (pid <= 1) + return 0; + + return 1; +} + +static int meta_check_icon_name(const void *data, size_t size) { + const char *t = data; + + if (size <= 0) + return 0; + + if (memchr(data, 0, size)) + return 0; + + if (size == 1 && t[0] == '.') + return 0; + + if (size == 2 && t[0] == '.' && t[1] == '.') + return 0; + + if (memchr(t, '/', size)) + return 0; + + return 1; +} + +static int meta_check_word(const void *data, size_t size) { + const char *t = data; + + for (; size > 0; size --, t++) + if (*t <= 32 || *t >= 127) + return 0; + + return 1; +} + +typedef int (*meta_check_func_t)(const void *data, size_t size); + +int sa_stream_change_meta_data(sa_stream_t *s, const char *name, const void *data, size_t size) { + void *d = NULL; + const struct meta_name *m; + int ret; + + static const meta_check_func_t check_table[] = { + meta_check_utf8, + meta_check_pid, + meta_check_word, /* FIXME */ + meta_check_utf8, + meta_check_icon_name, + meta_check_png, + meta_check_word, /* FIXME */ + meta_check_word, /* FIXME */ + }; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(name, SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + sa_return_val_if_fail_mutex(s->mutex, data || size == 0, SA_ERROR_INVALID); + + if (!(m = sa_lookup_meta_name(name, strlen(name)))) { + sa_mutex_unlock(s->mutex); + return SA_ERROR_NO_META; + } + + if (!check_table[m->idx](data, size)) { + sa_mutex_unlock(s->mutex); + return SA_ERROR_INVALID; + } + + if (data) + if (!(d = sa_memdup(data, size))) { + sa_mutex_unlock(s->mutex); + return SA_ERROR_OOM; + } + + ret = s->state == SA_STATE_INIT ? SA_SUCCESS : driver_change_meta_data(s, name, data, size); + + if (ret == SA_SUCCESS) { + sa_free(s->meta_data[m->idx]); + s->meta_data[m->idx] = d; + s->meta_data_size[m->idx] = size; + } else + sa_free(d); + + sa_mutex_unlock(s->mutex); + return ret; +} + +int sa_stream_get_meta_data(sa_stream_t *s, const char *name, void *data, size_t *size) { + const struct meta_name *m; + + sa_return_val_if_fail(s, SA_ERROR_INVALID); + sa_return_val_if_fail(name, SA_ERROR_INVALID); + sa_return_val_if_fail(size && (*size == 0 || data), SA_ERROR_INVALID); + sa_mutex_lock(s->mutex); + + if (!(m = sa_lookup_meta_name(name, strlen(name)))) { + sa_mutex_unlock(s->mutex); + return SA_ERROR_NO_META; + } + + if (!s->meta_data[m->idx]) { + sa_mutex_unlock(s->mutex); + return SA_ERROR_NO_DATA; + } + + if (*size < s->meta_data_size[m->idx]) { + sa_mutex_unlock(s->mutex); + return SA_ERROR_NO_SPACE; + } + + if (data) + memcpy(data, s->meta_data[m->idx], s->meta_data_size[m->idx]); + + *size = s->meta_data_size[m->idx]; + + sa_mutex_unlock(s->mutex); + return SA_SUCCESS; +} + +const char *sa_strerror(int code) { + const char * const error_table[-_SA_ERROR_MAX] = { + [-SA_SUCCESS] = "Success", + [-SA_ERROR_NOT_SUPPORTED] = "Operation not supported", + [-SA_ERROR_INVALID] = "Invalid argument", + [-SA_ERROR_STATE] = "Invalid state", + [-SA_ERROR_OOM] = "Out of memory", + [-SA_ERROR_NO_DEVICE] = "No such device", + [-SA_ERROR_NO_DRIVER] = "No such driver", + [-SA_ERROR_NO_CODEC] = "No such codec", + [-SA_ERROR_NO_PCM_FORMAT] = "No such PCM format", + [-SA_ERROR_SYSTEM] = "System error", + [-SA_ERROR_NO_INIT] = "Not initialized", + [-SA_ERROR_NO_META] = "No such meta name", + [-SA_ERROR_NO_DATA] = "No such data" + }; + + sa_return_val_if_fail(code <= 0, NULL); + sa_return_val_if_fail(code > _SA_ERROR_MAX, NULL); + + return error_table[-code]; +} diff --git a/src/common.h b/src/common.h new file mode 100644 index 0000000..b5f316c --- /dev/null +++ b/src/common.h @@ -0,0 +1,67 @@ +#ifndef foocommonh +#define foocommonh + +#include "sydney.h" +#include "mutex.h" + +#define _META_NAMES_MAX 9 + +typedef struct sa_pcm_attrs { + sa_pcm_format_t format; + unsigned rate; + unsigned nchannels; + sa_channel_t *channel_map; +} pcm_attrs_t; + +struct sa_stream { + sa_mode_t mode; + + pcm_attrs_t pcm_attrs; + size_t pcm_sample_size; + size_t pcm_frame_size; + + char *codec; + + size_t read_lower_watermark; + size_t read_upper_watermark; + size_t write_lower_watermark; + size_t write_upper_watermark; + + sa_xrun_mode_t xrun_mode; + int ni_enabled; + int dynamic_rate_enabled; + + sa_event_callback_t event_callback; + + char *device; + char *driver; + + int32_t *read_volume; + int32_t *write_volume; + + void *user_data; + + sa_state_t state; + + sa_adjust_t adjust_rate; + sa_adjust_t adjust_nchannels; + sa_adjust_t adjust_pcm_format; + sa_adjust_t adjust_watermarks; + + sa_error_t error; + sa_notify_t notify; + sa_event_t event; + + void *private; /* driver specific data */ + + void *meta_data[_META_NAMES_MAX]; + size_t meta_data_size[_META_NAMES_MAX]; + + sa_mutex_t *mutex; + + sa_event_callback_t callback; +}; + +size_t sa_get_pcm_sample_size(sa_pcm_format_t f); + +#endif diff --git a/src/continued-fraction.c b/src/continued-fraction.c new file mode 100644 index 0000000..6cbf8a5 --- /dev/null +++ b/src/continued-fraction.c @@ -0,0 +1,69 @@ +/* + * Stolen from gnumeric + * + * Original code from Morten Welinder + */ + +#include +#include + +#include "continued-fraction.h" + +void sa_continued_fraction(double val, int max_denom, int *res_num, int *res_denom) { + int n1, n2, d1, d2; + double x, y; + + if (val < 0) { + sa_continued_fraction (-val, max_denom, res_num, res_denom); + *res_num = -*res_num; + return; + } + + n1 = 0; d1 = 1; + n2 = 1; d2 = 0; + + x = val; + y = 1; + + do { + int a = (int) (x / y); + double newy = x - a * y; + int n3, d3; + + if ((n2 && a > (INT_MAX - n1) / n2) || + (d2 && a > (INT_MAX - d1) / d2) || + a * d2 + d1 > max_denom) { + *res_num = n2; + *res_denom = d2; + return; + } + + n3 = a * n2 + n1; + d3 = a * d2 + d1; + + x = y; + y = newy; + + n1 = n2; n2 = n3; + d1 = d2; d2 = d3; + } while (y > 1e-10); + + *res_num = n2; + *res_denom = d2; +} + +#if 0 + +int main(int argc, char*argv[]) { + + float value = 3.1417235; + int res_num, res_denom; + + sa_continued_fraction(value, 0xFFFF, &res_num, &res_denom); + + printf("%g ~= %i/%i = %g\n", value, res_num, res_denom, (float) res_num / res_denom); + + return 0; +} + +#endif diff --git a/src/continued-fraction.h b/src/continued-fraction.h new file mode 100644 index 0000000..2026b50 --- /dev/null +++ b/src/continued-fraction.h @@ -0,0 +1,6 @@ +#ifndef foosydneycontinuedfractionhfoo +#define foosydneycontinuedfractionhfoo + +void sa_continued_fraction(double val, int max_denom, int *res_num, int *res_denom); + +#endif diff --git a/src/converter.c b/src/converter.c new file mode 100644 index 0000000..3b146ce --- /dev/null +++ b/src/converter.c @@ -0,0 +1,743 @@ +#include +#include + +#include "speex/speex_resampler.h" + +#include "converter.h" +#include "sydney.h" +#include "macro.h" +#include "common.h" +#include "format.h" +#include "volscale.h" +#include "byteswap.h" +#include "zero.h" +#include "add.h" +#include "bbuffer.h" +#include "continued-fraction.h" +#include "malloc.h" +#include "resample.h" + +/* Steps: byteswap -> convert -> volscale -> remap -> resample -> convert -> byteswap -> interleave */ + +/* Sample formats we know to process natively */ +static int native_pcm_format_process(sa_pcm_format_t f) { + return + f == SA_PCM_FORMAT_U8 || + f == SA_PCM_FORMAT_S16_NE || + f == SA_PCM_FORMAT_S32_NE || + f == SA_PCM_FORMAT_FLOAT32_NE; +} + +/* Sample formats we know to resample natively */ +static int native_pcm_format_resample(sa_pcm_format_t f) { + return + f == SA_PCM_FORMAT_S16_NE || + f == SA_PCM_FORMAT_FLOAT32_NE; +} + +static sa_pcm_format_t byteswap_fix(sa_pcm_format_t f) { + + switch (f) { + case SA_PCM_FORMAT_U8: + case SA_PCM_FORMAT_ULAW: + case SA_PCM_FORMAT_ALAW: + return f; + + case SA_PCM_FORMAT_S16_NE: + case SA_PCM_FORMAT_S16_RE: + return SA_PCM_FORMAT_S16_NE; + + case SA_PCM_FORMAT_S24_NE: + case SA_PCM_FORMAT_S24_RE: + return SA_PCM_FORMAT_S24_NE; + + case SA_PCM_FORMAT_S32_NE: + case SA_PCM_FORMAT_S32_RE: + return SA_PCM_FORMAT_S32_NE; + + case SA_PCM_FORMAT_FLOAT32_NE: + case SA_PCM_FORMAT_FLOAT32_RE: + return SA_PCM_FORMAT_FLOAT32_NE; + + case _SA_PCM_FORMAT_MAX: + ; + } + + sa_assert_not_reached(); +} + +static sa_pcm_format_t get_work_format(sa_pcm_format_t a, sa_pcm_format_t b) { + + switch (a) { + case SA_PCM_FORMAT_U8: + case SA_PCM_FORMAT_ULAW: + case SA_PCM_FORMAT_ALAW: + + switch (b) { + case SA_PCM_FORMAT_U8: + return SA_PCM_FORMAT_U8; + + case SA_PCM_FORMAT_ULAW: + case SA_PCM_FORMAT_ALAW: + case SA_PCM_FORMAT_S16_LE: + case SA_PCM_FORMAT_S16_BE: + return SA_PCM_FORMAT_S16_NE; + + case SA_PCM_FORMAT_S24_LE: + case SA_PCM_FORMAT_S24_BE: + case SA_PCM_FORMAT_S32_LE: + case SA_PCM_FORMAT_S32_BE: + return SA_PCM_FORMAT_S32_NE; + + case SA_PCM_FORMAT_FLOAT32_LE: + case SA_PCM_FORMAT_FLOAT32_BE: + return SA_PCM_FORMAT_FLOAT32_NE; + + case _SA_PCM_FORMAT_MAX: + ; + } + + break; + + case SA_PCM_FORMAT_S16_LE: + case SA_PCM_FORMAT_S16_BE: + + switch (b) { + case SA_PCM_FORMAT_U8: + case SA_PCM_FORMAT_ULAW: + case SA_PCM_FORMAT_ALAW: + case SA_PCM_FORMAT_S16_LE: + case SA_PCM_FORMAT_S16_BE: + return SA_PCM_FORMAT_S16_NE; + + case SA_PCM_FORMAT_S24_LE: + case SA_PCM_FORMAT_S24_BE: + case SA_PCM_FORMAT_S32_LE: + case SA_PCM_FORMAT_S32_BE: + return SA_PCM_FORMAT_S32_NE; + + case SA_PCM_FORMAT_FLOAT32_LE: + case SA_PCM_FORMAT_FLOAT32_BE: + return SA_PCM_FORMAT_FLOAT32_NE; + + case _SA_PCM_FORMAT_MAX: + ; + } + break; + + case SA_PCM_FORMAT_S24_LE: + case SA_PCM_FORMAT_S24_BE: + case SA_PCM_FORMAT_S32_LE: + case SA_PCM_FORMAT_S32_BE: + + switch (b) { + case SA_PCM_FORMAT_U8: + case SA_PCM_FORMAT_ULAW: + case SA_PCM_FORMAT_ALAW: + case SA_PCM_FORMAT_S16_LE: + case SA_PCM_FORMAT_S16_BE: + case SA_PCM_FORMAT_S24_LE: + case SA_PCM_FORMAT_S24_BE: + case SA_PCM_FORMAT_S32_LE: + case SA_PCM_FORMAT_S32_BE: + return SA_PCM_FORMAT_S32_NE; + + case SA_PCM_FORMAT_FLOAT32_LE: + case SA_PCM_FORMAT_FLOAT32_BE: + return SA_PCM_FORMAT_FLOAT32_NE; + + case _SA_PCM_FORMAT_MAX: + ; + } + break; + + case SA_PCM_FORMAT_FLOAT32_LE: + case SA_PCM_FORMAT_FLOAT32_BE: + return SA_PCM_FORMAT_FLOAT32_NE; + + case _SA_PCM_FORMAT_MAX: + ; + } + + sa_assert_not_reached(); +} + +static sa_pcm_format_t fix_work_format_for_resample(sa_pcm_format_t f) { + + switch (f) { + case SA_PCM_FORMAT_U8: + case SA_PCM_FORMAT_S16_NE: + return SA_PCM_FORMAT_S16_NE; + break; + + case SA_PCM_FORMAT_S32_NE: + case SA_PCM_FORMAT_FLOAT32_NE: + return SA_PCM_FORMAT_FLOAT32_NE; + break; + + default: + ; + } + + sa_assert_not_reached(); +} + +int sa_converter_init( + sa_converter_t *c, + const pcm_attrs_t *from, + const pcm_attrs_t *to, + int dynamic_rate_enabled) { + + unsigned u, t; + int resample_required; + + sa_assert(c); + sa_assert(from); + sa_assert(to); + + memset(c, 0, sizeof(*c)); + + c->from_pcm_format = from->format; + c->to_pcm_format = to->format; + + c->from_rate = from->rate; + c->to_rate = to->rate; + + c->from_nchannels = from->nchannels; + c->to_nchannels = to->nchannels; + + if (!(c->channel_map_table = sa_new(int, (from->nchannels+1) * to->nchannels))) + goto fail; + + for (u = 0; u < to->nchannels; u++) { + unsigned k = 0; + + for (t = 0; t < from->nchannels; t++) { + + if (from->channel_map[u] == to->channel_map[t]) { + if (u != t) + c->remap_required = 1; + + c->channel_map_table[u * (from->nchannels+1) + k++] += t; + } + } + + if (k > 1) + c->sum_required = 1; + + c->channel_map_table[k] = (unsigned) -1; + } + + if (c->from_nchannels != c->to_nchannels) + c->remap_required = 1; + + resample_required = + from->rate != to->rate || + dynamic_rate_enabled; + + c->work_pcm_format = get_work_format(from->format, to->format); + if (resample_required) + c->work_pcm_format = fix_work_format_for_resample(c->work_pcm_format); + + sa_assert(native_pcm_format_process(c->work_pcm_format)); + sa_assert(!resample_required || native_pcm_format_resample(c->work_pcm_format)); + + c->from_sample_size = sa_get_pcm_sample_size(c->from_pcm_format); + c->work_sample_size = sa_get_pcm_sample_size(c->work_pcm_format); + c->to_sample_size = sa_get_pcm_sample_size(c->to_pcm_format); + + /* Get function pointers */ + c->pre_byteswap_func = sa_get_byteswap_func(from->format); + + if (byteswap_fix(from->format) != c->work_pcm_format) { + c->pre_format_func = sa_get_format_func(byteswap_fix(from->format), c->work_pcm_format); + sa_assert(c->pre_format_func); + } + + c->volscale_func = sa_get_volscale_func(c->work_pcm_format); + sa_assert(c->volscale_func); + + c->zero_func = sa_get_zero_func(c->work_pcm_format); + sa_assert(c->zero_func); + + c->add_func = sa_get_add_func(c->work_pcm_format); + sa_assert(c->add_func); + + if (resample_required) { + c->resample_func = sa_get_resample_func(c->work_pcm_format); + sa_assert(c->resample_func); + } + + if (c->work_pcm_format != byteswap_fix(to->format)) { + c->post_format_func = sa_get_format_func(c->work_pcm_format, byteswap_fix(to->format)); + sa_assert(c->post_format_func); + } + + c->post_byteswap_func = sa_get_byteswap_func(to->format); + + c->interleave_func = sa_get_interleave_func(to->format); + sa_assert(c->interleave_func); + + /* Initialize resampler */ + + if (resample_required) { + if (!(c->speex = speex_resampler_init(c->to_nchannels, c->from_rate, c->to_rate, SPEEX_RESAMPLER_QUALITY_DEFAULT, NULL))) + goto fail; + } + + /* Initialize processing variables */ + + if (!(c->from_process_data = sa_new0(void*, c->from_nchannels))) + goto fail; + + if (!(c->from_stride = sa_new0(size_t, c->from_nchannels))) + goto fail; + + if (!(c->to_process_data = sa_new0(void*, c->to_nchannels))) + goto fail; + + if (!(c->to_stride = sa_new0(size_t, c->to_nchannels))) + goto fail; + + /* Initialize volume stuff */ + if (!(c->volume_factor = sa_new(int32_t, c->from_nchannels))) + goto fail; + + if (!(c->volume_divisor = sa_new(int32_t, c->from_nchannels))) + goto fail; + + c->no_volume = 1; + + /* Initialize bounce buffers */ + + if (sa_bbuffer_init(&c->bb_pre_byteswap, c->from_nchannels, c->from_sample_size) < 0) + goto fail; + if (sa_bbuffer_init(&c->bb_pre_format, c->from_nchannels, c->work_sample_size) < 0) + goto fail; + if (sa_bbuffer_init(&c->bb_volscale, c->from_nchannels, c->work_sample_size) < 0) + goto fail; + if (sa_bbuffer_init(&c->bb_remap, c->to_nchannels, c->work_sample_size) < 0) + goto fail; + if (sa_bbuffer_init(&c->bb_resample, c->to_nchannels, c->work_sample_size) < 0) + goto fail; + if (sa_bbuffer_init(&c->bb_post_format, c->to_nchannels, c->to_sample_size) < 0) + goto fail; + if (sa_bbuffer_init(&c->bb_post_byteswap, c->to_nchannels, c->to_sample_size) < 0) + goto fail; + if (sa_bbuffer_init(&c->bb_interleave, c->to_nchannels, c->to_sample_size) < 0) + goto fail; + if (sa_bbuffer_init(&c->bb_tmp, 1, 1) < 0) + goto fail; + + return 0; + +fail: + sa_converter_done(c); + + return SA_ERROR_OOM; +} + +void sa_converter_done(sa_converter_t *c) { + sa_assert(c); + + sa_free(c->channel_map_table); + + sa_free(c->from_process_data); + sa_free(c->to_process_data); + sa_free(c->from_stride); + sa_free(c->to_stride); + + sa_bbuffer_done(&c->bb_pre_byteswap); + sa_bbuffer_done(&c->bb_pre_format); + sa_bbuffer_done(&c->bb_volscale); + sa_bbuffer_done(&c->bb_remap); + sa_bbuffer_done(&c->bb_resample); + sa_bbuffer_done(&c->bb_post_format); + sa_bbuffer_done(&c->bb_post_byteswap); + sa_bbuffer_done(&c->bb_interleave); + sa_bbuffer_done(&c->bb_tmp); + + if (c->speex) + speex_resampler_destroy(c->speex); + + sa_free(c->zero_buffer); + + sa_free(c->volume_divisor); + sa_free(c->volume_factor); + memset(c, 0, sizeof(*c)); +} + +void* sa_converter_get_zero_buffer(sa_converter_t *c, size_t size) { + void *b; + + sa_assert(c); + sa_assert(size > 0); + + if (c->zero_buffer && c->zero_size >= size) + return c->zero_buffer; + + sa_free(c->zero_buffer); + + if (!(c->zero_buffer = sa_malloc(size))) + return NULL; + + c->zero_func(b, c->work_sample_size, size); + return c->zero_func; +} + +int sa_converter_go( + sa_converter_t *c, + const void *const src[], const size_t sstr[], int sinterleave, + void **dst[], size_t *dstr[], int dinterleave, + size_t *size) { + + size_t* stride; + void** process_data; + int is_bounce; + int interleave; + unsigned i; + + sa_assert(c); + + is_bounce = 0; + stride = (size_t*) sstr; + process_data = (void**) src; + interleave = !!sinterleave; + dinterleave = !!dinterleave; + + if (c->no_volume && + !c->remap_required && + !c->resample_func && + c->from_pcm_format == c->to_pcm_format) { + + /* We can shortcut this, since we don't need to do any real work.*/ + + goto do_interleave; + } + + if (c->pre_byteswap_func) { + size_t k; + + k = dinterleave ? c->from_sample_size*c->from_nchannels : c->from_sample_size; + + for (i = 0; i < c->from_nchannels; i++) { + void *b; + + if (!(b = sa_bbuffer_get(&c->bb_pre_byteswap, i, *size, dinterleave))) + return SA_ERROR_OOM; + + c->pre_byteswap_func(b, k, process_data[i], stride[i], *size); + c->from_process_data[i] = b; + c->from_stride[i] = k; + } + + process_data = c->from_process_data; + stride = c->from_stride; + interleave = dinterleave; + is_bounce = 1; + } + + if (c->pre_format_func) { + + if (is_bounce && c->from_sample_size == c->to_sample_size) { + + /* The data to process is already in a bounce buffer, we + * can do this in-place */ + + for (i = 0; i < c->from_nchannels; i++) + c->pre_format_func(&c->bb_tmp, process_data[i], stride[i], process_data[i], stride[i], *size); + + } else { + size_t k, new_size; + + new_size = *size / c->from_sample_size * c->work_sample_size; + k = dinterleave ? c->work_sample_size*c->from_nchannels : c->work_sample_size; + + for (i = 0; i < c->from_nchannels; i++) { + void *b; + + if (!(b = sa_bbuffer_get(&c->bb_pre_format, i, new_size, dinterleave))) + return SA_ERROR_OOM; + + c->pre_format_func(&c->bb_tmp, b, k, process_data[i], stride[i], *size); + c->from_process_data[i] = b; + c->from_stride[i] = k; + } + + process_data = c->from_process_data; + stride = c->from_stride; + *size = new_size; + interleave = dinterleave; + is_bounce = 1; + } + } + + if (!c->no_volume) { + + sa_assert(c->volscale_func); + + if (is_bounce) { + + /* The data to process is already in a bounce buffer, we + * can do this in-place */ + + for (i = 0; i < c->from_nchannels; i++); + c->volscale_func(process_data[i], stride[i], process_data[i], stride[i], c->volume_factor[i], c->volume_divisor[i], *size); + + } else { + size_t k; + + k = dinterleave ? c->work_sample_size*c->from_nchannels : c->work_sample_size; + + for (i = 0; i < c->from_nchannels; i++) { + void *b; + + if (!(b = sa_bbuffer_get(&c->bb_volscale, i, *size, dinterleave))) + return SA_ERROR_OOM; + + c->volscale_func(b, k, process_data[i], stride[i], c->volume_factor[i], c->volume_divisor[i], *size); + c->from_process_data[i] = b; + c->from_stride[i] = k; + } + + process_data = c->from_process_data; + stride = c->from_stride; + interleave = dinterleave; + is_bounce = 1; + } + } + + if (c->remap_required) { + size_t k; + int need_proper_interleave = 0; + + k = dinterleave ? c->work_sample_size*c->to_nchannels : c->work_sample_size; + + for (i = 0; i < c->to_nchannels; i++) { + void *b; + int *p = &c->channel_map_table[i * (c->from_nchannels+1)]; + + if (p[0] == -1) { + /* We have to write silence to this channel */ + + if (!(b = sa_converter_get_zero_buffer(c, *size))) + return SA_ERROR_OOM; + + c->to_process_data[i] = b; + c->to_stride[i] = c->work_sample_size; + + need_proper_interleave = 1; + } else if (p[1] == -1) { + /* Just one channel, nothing to mix */ + + c->to_process_data[i] = process_data[p[0]]; + c->to_stride[i] = stride[p[0]]; + + need_proper_interleave = 1; + } else { + int j; + + /* We have to mix two or more channels */ + + if (!(b = sa_bbuffer_get(&c->bb_remap, i, *size, dinterleave))) + return SA_ERROR_OOM; + + c->add_func(b, k, process_data[p[0]], stride[p[0]], process_data[p[1]], stride[p[1]], *size); + + for (j = 2; p[j] != -1; j++) + c->add_func(b, k, b, k, process_data[p[j]], stride[p[j]], *size); + + c->to_process_data[i] = b; + c->to_stride[i] = k; + } + } + + process_data = c->to_process_data; + stride = c->to_stride; + interleave = need_proper_interleave ? -1 : dinterleave; + is_bounce = 1; + } + + if (c->resample_func) { + size_t k; + size_t new_size; + + k = dinterleave ? c->work_sample_size*c->to_nchannels : c->work_sample_size; + + new_size = (size_t) (((((uint64_t) *size+c->work_sample_size-1)/c->work_sample_size)*c->to_rate)/c->from_rate+1)*c->work_sample_size; /* FIXME */ + + for (i = 0; i < c->to_nchannels; i++) { + void *b; + + if (!(b = sa_bbuffer_get(&c->bb_resample, i, new_size, dinterleave))) + return SA_ERROR_OOM; + + c->resample_func(c->speex, i, b, k, process_data[i], stride[i], *size, &new_size); + c->to_process_data[i] = b; + c->to_stride[i] = k; + } + + process_data = c->to_process_data; + stride = c->to_stride; + *size = new_size; + interleave = dinterleave; + is_bounce = 1; + } + + if (c->post_format_func) { + + if (is_bounce && c->work_sample_size == c->to_sample_size) { + + /* The data to process is already in a bounce buffer, we + * can do this in-place */ + + for (i = 0; i < c->to_nchannels; i++) + c->post_format_func(&c->bb_tmp, process_data[i], stride[i], process_data[i], stride[i], *size); + + } else { + size_t k, new_size; + + k = dinterleave ? c->to_sample_size*c->to_nchannels : c->to_sample_size; + new_size = *size / c->work_sample_size * c->to_sample_size; + + for (i = 0; i < c->to_nchannels; i++) { + void *b; + + if (!(b = sa_bbuffer_get(&c->bb_post_format, i, new_size, dinterleave))) + return SA_ERROR_OOM; + + c->post_format_func(&c->bb_tmp, b, k, process_data[i], stride[i], *size); + c->to_process_data[i] = b; + c->to_stride[i] = k; + } + + process_data = c->to_process_data; + stride = c->to_stride; + *size = new_size; + interleave = dinterleave; + is_bounce = 1; + } + } + + if (c->post_byteswap_func) { + + if (is_bounce) { + + /* The data to process is already in a bounce buffer, we + * can do this in-place */ + + for (i = 0; i < c->to_nchannels; i++) + c->post_byteswap_func(process_data[i], stride[i], process_data[i], stride[i], *size); + + } else { + size_t k; + + k = dinterleave ? c->to_sample_size*c->to_nchannels : c->to_sample_size; + + for (i = 0; i < c->to_nchannels; i++) { + void *b; + + if (!(b = sa_bbuffer_get(&c->bb_post_byteswap, i, *size, dinterleave))) + return SA_ERROR_OOM; + + c->post_byteswap_func(b, k, process_data[i], stride[i], *size); + + c->to_process_data[i] = b; + c->to_stride[i] = k; + } + + process_data = c->to_process_data; + stride = c->to_stride; + interleave = dinterleave; + is_bounce = 1; + } + } + +do_interleave: + + if (interleave != dinterleave) { + size_t k; + + k = dinterleave ? c->to_sample_size*c->to_nchannels : c->to_sample_size; + + for (i = 0; i < c->to_nchannels; i++) { + void *b; + + if (!(b = sa_bbuffer_get(&c->bb_interleave, i, *size, dinterleave))) + return SA_ERROR_OOM; + + c->interleave_func(b, k, process_data[i], stride[i], *size); + + c->to_process_data[i] = b; + c->to_stride[i] = k; + } + + process_data = c->to_process_data; + stride = c->to_stride; + interleave = dinterleave; + is_bounce = 1; + } + + *dstr = stride; + *dst = process_data; + + return SA_SUCCESS; +} + +void sa_converter_set_volume(sa_converter_t *c, const int32_t vol[]) { + unsigned i; + int no_volume = 1; + + sa_assert(c); + + for (i = 0; i < c->from_nchannels; i++) { + int num, denom; + + if (vol[i] == 0) { + c->volume_factor[i] = 1; + c->volume_divisor[i] = 1; + } else if (vol[i] <= SA_VOLUME_MUTED) { + c->volume_factor[i] = 0; + c->volume_divisor[i] = 1; + no_volume = 0; + } else { + float f = powf(10.0, (float) vol[i] / 2000); + + sa_continued_fraction(f, 0x7FFF, &num, &denom); + + if (num != 1 || denom != 1) + no_volume = 0; + + c->volume_factor[i] = (int32_t) num; + c->volume_divisor[i] = (int32_t) denom; + } + } + + c->no_volume = no_volume; +} + +int sa_converter_go_interleaved( + sa_converter_t *c, + const void *const data, + void **dst[], size_t *dstr[], int dinterleave, + size_t *size) { + + unsigned i; + const uint8_t *d = data; + unsigned stride = c->from_nchannels * c->from_sample_size; + + for (i = 0; i < c->from_nchannels; i++) { + c->from_process_data[i] = (void*) data; + d += c->from_sample_size; + c->from_stride[i] = stride; + } + + return sa_converter_go(c, (const void *const*) c->from_process_data, c->from_stride, 1, dst, dstr, dinterleave, size); +} + +void sa_converter_set_ratio(sa_converter_t *c, unsigned rate1, unsigned rate2) { + assert(c); + assert(c->speex); + + speex_resampler_set_rate(c->speex, rate1, rate2); +} diff --git a/src/converter.h b/src/converter.h new file mode 100644 index 0000000..8112231 --- /dev/null +++ b/src/converter.h @@ -0,0 +1,82 @@ +#ifndef foosydneyconverterhfoo +#define foosydneyconverterhfoo + +#include "sydney.h" +#include "volscale.h" +#include "byteswap.h" +#include "zero.h" +#include "add.h" +#include "bbuffer.h" +#include "resample.h" +#include "format.h" +#include "common.h" +#include "interleave.h" + +typedef struct sa_converter sa_converter_t; + +struct sa_converter { + sa_pcm_format_t from_pcm_format, to_pcm_format; + unsigned from_nchannels, to_nchannels; + unsigned from_rate, to_rate; + + int sum_required; + int remap_required; + + sa_pcm_format_t work_pcm_format; + + size_t from_sample_size, work_sample_size, to_sample_size; + + sa_byteswap_func_t pre_byteswap_func, post_byteswap_func; + sa_format_func_t pre_format_func, post_format_func; + sa_volscale_func_t volscale_func; + sa_zero_func_t zero_func; + sa_add_func_t add_func; + sa_resample_func_t resample_func; + sa_interleave_func_t interleave_func; + + SpeexResamplerState *speex; + + sa_bbuffer_t bb_pre_byteswap, + bb_pre_format, + bb_volscale, + bb_remap, + bb_resample, + bb_post_format, + bb_post_byteswap, + bb_interleave, + bb_tmp; + + void **from_process_data, **to_process_data; + size_t *from_stride, *to_stride; + + int32_t *volume_factor, *volume_divisor; + int no_volume; + + int *channel_map_table; + + void *zero_buffer; + size_t zero_size; +}; + +int sa_converter_init(sa_converter_t *c, const pcm_attrs_t *from, const pcm_attrs_t *to, int dynamic_rate_enabled); +void sa_converter_done(sa_converter_t *c); + +int sa_converter_go( + sa_converter_t *c, + const void *const src[], const size_t sstr[], int sinterleave, + void **dst[], size_t *dstr[], int dinterleave, + size_t *size); + +int sa_converter_go_interleaved( + sa_converter_t *c, + const void *const data, + void **dst[], size_t *dstr[], int dinterleave, + size_t *size); + +void sa_converter_set_volume(sa_converter_t *c, const int32_t vol[]); + +void sa_converter_set_ratio(sa_converter_t *c, unsigned rate1, unsigned rate2); + +void* sa_converter_get_zero_buffer(sa_converter_t *c, size_t size); + +#endif diff --git a/src/driver.h b/src/driver.h new file mode 100644 index 0000000..be5d4b8 --- /dev/null +++ b/src/driver.h @@ -0,0 +1,34 @@ +#ifndef foodriverhfoo +#define foodriverhfoo + +#include "sydney.h" + +int driver_open(sa_stream_t *dev); +int driver_destroy(sa_stream_t *dev); + +int driver_start_thread(sa_stream_t *dev, sa_event_callback_t callback); +int driver_stop_thread(sa_stream_t *dev); + +int driver_change_device(sa_stream_t *dev, const char *device_name); +int driver_change_read_volume(sa_stream_t *dev, const int32_t vol[]); +int driver_change_write_volume(sa_stream_t *dev, const int32_t vol[]); +int driver_change_rate(sa_stream_t *dev, unsigned rate); +int driver_change_meta_data(sa_stream_t *dev, const char *name, const void *data, size_t size); + +int driver_get_state(sa_stream_t *dev, sa_state_t *state); +int driver_get_position(sa_stream_t *dev, sa_position_t position, int64_t *pos); + +int driver_read(sa_stream_t *dev, void *data, size_t nbytes); +int driver_read_ni(sa_stream_t *dev, unsigned channel, void *data, size_t nbytes); + +int driver_pwrite(sa_stream_t *dev, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence); +int driver_pwrite_ni(sa_stream_t *dev, unsigned channel, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence); + +int driver_get_read_size(sa_stream_t *dev, size_t *size); +int driver_get_write_size(sa_stream_t *dev, size_t *size); + +int driver_resume(sa_stream_t *dev); +int driver_pause(sa_stream_t *dev); +int driver_drain(sa_stream_t *dev); + +#endif diff --git a/src/format.c b/src/format.c new file mode 100644 index 0000000..f7a8755 --- /dev/null +++ b/src/format.c @@ -0,0 +1,438 @@ +#include +#include + +#include + +#include "format.h" +#include "g711.h" +#include "macro.h" + +/* u8 --> */ + +static int format_u8_to_s16(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + int16_t d = -0x80, f = 0x100; + + oil_conv_s16_u8(dst, dstr, src, sstr, bytes); + oil_scalaradd_s16(dst, dstr, dst, dstr, &d, bytes); + oil_scalarmult_s16(dst, dstr, dst, dstr, &f, bytes); + + return SA_SUCCESS; +} + +static int format_u8_to_s32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + int32_t d = -0x80, f = 0x1000000; + + oil_conv_s16_u8(dst, dstr, src, sstr, bytes); + oil_scalaradd_s32(dst, dstr, dst, dstr, &d, bytes); + oil_scalarmult_s32(dst, dstr, dst, dstr, &f, bytes); + + return SA_SUCCESS; +} + +static int format_u8_to_f32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + float d = -0x80, f = 1.0/0x7F; + + oil_conv_f32_u8(dst, dstr, src, sstr, bytes); + oil_scalaradd_f32(dst, dstr, dst, dstr, &d, bytes); + oil_scalarmult_f32(dst, dstr, dst, dstr, &f, bytes); + + return SA_SUCCESS; +} + +/* ulaw --> */ + +static int format_ulaw_to_s16(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + int16_t *d = dst; + const uint8_t *s = src; + + for (; bytes > 0; bytes --, d += dstr/sizeof(int16_t), s += sstr) + *d = sa_ulaw2linear16(*s); + + return SA_SUCCESS; +} + +static int format_ulaw_to_s32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + int32_t *d = dst; + const uint8_t *s = src; + + for (; bytes > 0; bytes --, d += dstr/sizeof(int32_t), s += sstr) + *d = (int32_t) sa_ulaw2linear16(*s) * 0x10000; + + return SA_SUCCESS; +} + +static int format_ulaw_to_f32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + float *d = dst; + const uint8_t *s = src; + + for (; bytes > 0; bytes --, d += dstr/sizeof(float), s += sstr) + *d = sa_ulaw2linear16(*s * 1.0F / 0x7FFF); + + return SA_SUCCESS; +} + +/* alaw --> */ + +static int format_alaw_to_s16(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + int16_t *d = dst; + const uint8_t *s = src; + + for (; bytes > 0; bytes --, d += dstr/sizeof(int16_t), s += sstr) + *d = sa_alaw2linear16(*s); + + return SA_SUCCESS; +} + +static int format_alaw_to_s32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + int32_t *d = dst; + const uint8_t *s = src; + + for (; bytes > 0; bytes --, d += dstr/sizeof(int32_t), s += sstr) + *d = (int32_t) sa_alaw2linear16(*(s++)) * 0x10000; + + return SA_SUCCESS; +} + +static int format_alaw_to_f32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + float *d = dst; + const uint8_t *s = src; + + for (; bytes > 0; bytes --, d += dstr/sizeof(float), s += sstr) + *d = sa_alaw2linear16(*(s++) * 1.0F / 0x7FFF); + + return SA_SUCCESS; +} + +/* s16 --> */ + +static int format_s16_to_u8(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + uint8_t *d = dst; + const int16_t *s = src; + unsigned n = bytes/sizeof(int16_t); + + for (; n > 0; n--, d += dstr, s += sstr/sizeof(int16_t)) + *d = (uint8_t) (*s / 0x100 + 0x80); + + return SA_SUCCESS; +} + +static int format_s16_to_ulaw(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + uint8_t *d = dst; + const int16_t *s = src; + unsigned n = bytes/sizeof(int16_t); + + for (; n > 0; n --, d += dstr, s += sstr/sizeof(int16_t)) + *d = sa_14linear2ulaw(*s); + + return SA_SUCCESS; +} + +static int format_s16_to_alaw(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + uint8_t *d = dst; + const int16_t *s = src; + unsigned n = bytes/sizeof(int16_t); + + for (; n > 0; n --, d += dstr, s += sstr/sizeof(int16_t)) + *d = sa_13linear2alaw(*s); + + return SA_SUCCESS; +} + +static int format_s16_to_s32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + int f = 0x10000; + unsigned n = bytes/sizeof(int16_t); + + oil_conv_s32_s16(dst, dstr, src, sstr, n); + oil_scalarmult_s32(dst, dstr, dst, dstr, &f, n); + + return SA_SUCCESS; +} + +static int format_s16_to_f32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + float f = 1.0/0x7ffff; + unsigned n = bytes/sizeof(int16_t); + + oil_conv_f32_s16(dst, dstr, src, sstr, n); + oil_scalarmult_f32(dst, dstr, dst, dstr, &f, n); + + return SA_SUCCESS; +} + +/* s24 --> */ + +static int format_s24_to_s32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + int32_t *d = dst; + const uint8_t *s = src; + unsigned n = bytes/3; + + for (; n > 0; n--, d += dstr/sizeof(int32_t), s += sstr/3) +#if defined(SA_LITTLE_ENDIAN) + *d = (int32_t) ((int8_t) s[2]) * 0x1000000 + s[1] * 0x10000 + s[0] * 0x100; +#elif defined(SA_BIG_ENDIAN) + *d = (int32_t) ((int8_t) s[0]) * 0x1000000 + s[1] * 0x10000 + s[2] * 0x100; +#else +#error "Unknown byte order" +#endif + + return SA_SUCCESS; +} + +static int format_s24_to_f32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + float *d = dst; + const uint8_t *s = src; + unsigned n = bytes/3; + + for (; n > 0; n--, d += dstr/sizeof(float), s += sstr/3) +#if defined(SA_LITTLE_ENDIAN) + *d = ((float) ((int8_t) s[2]) * 0x10000 + s[1] * 0x100 + s[0]) / 0x7fffff; +#elif defined(SA_BIG_ENDIAN) + *d = ((float) ((int8_t) s[0]) * 0x10000 + s[1] * 0x100 + s[2]) / 0x7fffff; +#else +#error "Unknown byte order" +#endif + + return SA_SUCCESS; +} + +/* s32 --> */ + +static int format_s32_to_u8(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + uint8_t *d = dst; + const int32_t *s = src; + unsigned n = bytes/sizeof(int32_t); + + for (; n > 0; n--, d += dstr, s += sstr/sizeof(int32_t)) + *d = (uint8_t) (*s / 0x1000000 + 0x80); + + return SA_SUCCESS; +} + +static int format_s32_to_ulaw(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + uint8_t *d = dst; + const int32_t *s = src; + unsigned n = bytes/sizeof(int32_t); + + for (; n > 0; n--, d += dstr, s += sstr/sizeof(int32_t)) + *d = sa_14linear2ulaw(*s / 0x10000); + + return SA_SUCCESS; +} + +static int format_s32_to_alaw(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + uint8_t *d = dst; + const int32_t *s = src; + unsigned n = bytes/sizeof(int32_t); + + for (; n > 0; n--, d += dstr, s += sstr/sizeof(int32_t)) + *d = sa_13linear2alaw(*s / 0x10000); + + return SA_SUCCESS; +} + +static int format_s32_to_s16(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + int16_t *d = dst; + const int32_t *s = src; + unsigned n = bytes/sizeof(int32_t); + + for (; n > 0; n--, d += dstr/sizeof(int16_t), s += sstr/sizeof(int32_t)) + *d = (int16_t) (*s / 0x10000); + + return SA_SUCCESS; +} + +static int format_s32_to_s24(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + uint8_t *d = dst; + const int32_t *s = src; + unsigned n = bytes/sizeof(float); + + for (; n > 0; n--, d += dstr/3, s += sstr/sizeof(int32_t)) { + uint32_t j = (uint32_t) (*s) >> 8; + +#if defined(SA_LITTLE_ENDIAN) + d[0] = j & 0xFF; + d[1] = (j >> 8) & 0xFF; + d[2] = (j >> 16); +#elif defined(SA_BIG_ENDIAN) + d[2] = j & 0xFF; + d[1] = (j >> 8) & 0xFF; + d[0] = (j >> 16); +#else +#error "Unknown byte order" +#endif + } + + return SA_SUCCESS; +} + +static int format_s32_to_f32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + float f = 1.0/0x7fffffff; + unsigned n = bytes/sizeof(int32_t); + + oil_conv_f32_s32(dst, dstr, src, sstr, n); + oil_scalarmult_f32(dst, dstr, dst, dstr, &f, n); + + return SA_SUCCESS; +} + +/* f32 --> */ + +static int format_f32_to_u8(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + uint8_t *d = dst; + const float *s = src; + float *buf; + float f = 0x7F, p = 0x80; + unsigned n = bytes/sizeof(float); + + if (!(buf = sa_bbuffer_get(b, 0, bytes, 1))) + return SA_ERROR_OOM; + + oil_scalarmult_f32(buf, sizeof(float), s, sstr, &f, n); + oil_scalaradd_f32(buf, sizeof(float), buf, sizeof(float), &p, n); + oil_clipconv_u8_f32(d, dstr, buf, sizeof(float), n); + + return SA_SUCCESS; +} + +static int format_f32_to_ulaw(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + uint8_t *d = dst; + const float *s = src; + unsigned n = bytes/sizeof(float); + + for (; n > 0; n --, d += dstr, s += sstr/sizeof(float)) { + float v = *s * 0x7FFF; + if (v < -0x8000) v = -0x8000; + if (v > -0x7FFF) v = -0x7FFF; + *d = sa_13linear2alaw((int16_t) v); + } + + return SA_SUCCESS; +} + +static int format_f32_to_alaw(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + uint8_t *d = dst; + const float *s = src; + unsigned n = bytes/sizeof(float); + + for (; n > 0; n --, d += dstr, s += sstr/sizeof(float)) { + float v = *s * 0x7FFF; + if (v < -0x8000) v = -0x8000; + if (v > -0x7FFF) v = -0x7FFF; + *d = sa_13linear2alaw((int16_t) v); + } + + return SA_SUCCESS; +} + +static int format_f32_to_s16(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + int16_t *d = dst; + const float *s = src; + float *buf; + float f = 0x7FFF; + unsigned n = bytes/sizeof(float); + + if (!(buf = sa_bbuffer_get(b, 0, bytes, 1))) + return SA_ERROR_OOM; + + oil_scalarmult_f32(buf, sizeof(float), s, sstr, &f, n); + oil_clipconv_s16_f32(d, dstr, buf, sizeof(float), n); + + return SA_SUCCESS; +} + +static int format_f32_to_s24(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + uint8_t *d = dst; + const float *s = src; + unsigned n = bytes/sizeof(float); + + for (; n > 0; n--, d += dstr/3, s += sstr/sizeof(float)) { + float f = *s / 0x7fffff; + uint32_t j; + + if (f > 0x7fffff) f = 0x7fffff; + if (f < -0x800000) f = -0x800000; + + j = (uint32_t) ((int32_t) f); + +#if defined(SA_LITTLE_ENDIAN) + d[0] = j & 0xFF; + d[1] = (j >> 8) & 0xFF; + d[2] = (j >> 16); +#elif defined(SA_BIG_ENDIAN) + d[2] = j & 0xFF; + d[1] = (j >> 8) & 0xFF; + d[0] = (j >> 16); +#else +#error "Unknown byte order" +#endif + } + + return SA_SUCCESS; +} + +static int format_f32_to_s32(sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes) { + int32_t *d = dst; + const float *s = src; + float *buf; + float f = 0x7FFFFFFF; + unsigned n = bytes/sizeof(float); + + if (!(buf = sa_bbuffer_get(b, 0, bytes, 1))) + return SA_ERROR_OOM; + + oil_scalarmult_f32(buf, sizeof(float), s, sstr, &f, n); + oil_clipconv_s32_f32(d, dstr, buf, sizeof(float), n); + + return SA_SUCCESS; +} + +sa_format_func_t sa_get_format_func(sa_pcm_format_t from, sa_pcm_format_t to) { + + /* Rules: we need conversion functions: + * + * 1. from all formats to all "better" work formats + * 2. from all work formats to all "lower" formats + * 3. only for NE types + */ + + static const sa_format_func_t funcs[_SA_PCM_FORMAT_MAX * _SA_PCM_FORMAT_MAX] = { + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_U8 + SA_PCM_FORMAT_S16_NE ] = format_u8_to_s16, /* done */ + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_U8 + SA_PCM_FORMAT_S32_NE ] = format_u8_to_s32, /* done */ + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_U8 + SA_PCM_FORMAT_FLOAT32_NE] = format_u8_to_f32, /* done */ + + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_ULAW + SA_PCM_FORMAT_S16_NE ] = format_ulaw_to_s16, /* done, no liboil */ + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_ULAW + SA_PCM_FORMAT_S32_NE ] = format_ulaw_to_s32, /* done, no liboil */ + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_ULAW + SA_PCM_FORMAT_FLOAT32_NE] = format_ulaw_to_f32, /* done, no liboil */ + + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_ALAW + SA_PCM_FORMAT_S16_NE ] = format_alaw_to_s16, /* done, no liboil */ + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_ALAW + SA_PCM_FORMAT_S32_NE ] = format_alaw_to_s32, /* done, no liboil */ + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_ALAW + SA_PCM_FORMAT_FLOAT32_NE] = format_alaw_to_f32, /* done, no liboil */ + + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S16_NE + SA_PCM_FORMAT_U8 ] = format_s16_to_u8, /* done, no liboil */ + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S16_NE + SA_PCM_FORMAT_ULAW ] = format_s16_to_ulaw, /* done, no liboil */ + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S16_NE + SA_PCM_FORMAT_ALAW ] = format_s16_to_alaw, /* done, no liboil */ + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S16_NE + SA_PCM_FORMAT_S32_NE ] = format_s16_to_s32, /* done */ + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S16_NE + SA_PCM_FORMAT_FLOAT32_NE] = format_s16_to_f32, /* done */ + + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S24_NE + SA_PCM_FORMAT_S32_NE ] = format_s24_to_s32, /* done, no liboil */ + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S24_NE + SA_PCM_FORMAT_FLOAT32_NE] = format_s24_to_f32, /* done, no liboil */ + + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S32_NE + SA_PCM_FORMAT_U8 ] = format_s32_to_u8, /* done, no liboil */ + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S32_NE + SA_PCM_FORMAT_ULAW ] = format_s32_to_ulaw, /* done, no liboil */ + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S32_NE + SA_PCM_FORMAT_ALAW ] = format_s32_to_alaw, /* done, no liboil */ + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S32_NE + SA_PCM_FORMAT_S16_NE ] = format_s32_to_s16, /* done, no liboil */ + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S32_NE + SA_PCM_FORMAT_S24_NE ] = format_s32_to_s24, /* done, no liboil */ + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_S32_NE + SA_PCM_FORMAT_FLOAT32_NE] = format_s32_to_f32, /* done, but suboptimal */ + + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_FLOAT32_NE + SA_PCM_FORMAT_U8 ] = format_f32_to_u8, /* done */ + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_FLOAT32_NE + SA_PCM_FORMAT_ULAW ] = format_f32_to_ulaw, /* done, no liboil */ + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_FLOAT32_NE + SA_PCM_FORMAT_ALAW ] = format_f32_to_alaw, /* done, no liboil */ + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_FLOAT32_NE + SA_PCM_FORMAT_S16_NE ] = format_f32_to_s16, /* done */ + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_FLOAT32_NE + SA_PCM_FORMAT_S24_NE ] = format_f32_to_s24, /* done, no liboil */ + [_SA_PCM_FORMAT_MAX * SA_PCM_FORMAT_FLOAT32_NE + SA_PCM_FORMAT_S32_NE ] = format_f32_to_s32, /* done, but suboptimal */ + }; + + sa_assert(from < _SA_PCM_FORMAT_MAX); + sa_assert(to < _SA_PCM_FORMAT_MAX); + + return funcs[from * _SA_PCM_FORMAT_MAX + to]; +} diff --git a/src/format.h b/src/format.h new file mode 100644 index 0000000..91caf25 --- /dev/null +++ b/src/format.h @@ -0,0 +1,13 @@ +#ifndef foosydneyformathfoo +#define foosydneyformathfoo + +#include + +#include "sydney.h" +#include "bbuffer.h" + +typedef int (*sa_format_func_t) (sa_bbuffer_t *b, void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes); + +sa_format_func_t sa_get_format_func(sa_pcm_format_t from, sa_pcm_format_t to); + +#endif diff --git a/src/g711.c b/src/g711.c new file mode 100644 index 0000000..df76ac7 --- /dev/null +++ b/src/g711.c @@ -0,0 +1,2531 @@ +/* + * This source code is a product of Sun Microsystems, Inc. and is provided + * for unrestricted use. Users may copy or modify this source code without + * charge. + * + * SUN SOURCE CODE IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING + * THE WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun source code is provided with no support and without any obligation on + * the part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY THIS SOFTWARE + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + */ + +/* + * g711.c + * + * u-law, A-law and linear PCM conversions. + */ + +/* + * December 30, 1994: + * Functions linear2alaw, linear2ulaw have been updated to correctly + * convert unquantized 16 bit values. + * Tables for direct u- to A-law and A- to u-law conversions have been + * corrected. + * Borge Lindberg, Center for PersonKommunikation, Aalborg University. + * bli@cpk.auc.dk + * + */ + +#include "g711.h" + +#define SIGN_BIT (0x80) /* Sign bit for a A-law byte. */ +#define QUANT_MASK (0xf) /* Quantization field mask. */ +#define NSEGS (8) /* Number of A-law segments. */ +#define SEG_SHIFT (4) /* Left shift for segment number. */ +#define SEG_MASK (0x70) /* Segment field mask. */ + +#if !defined(FAST_ALAW_CONVERSION) || !defined(FAST_ULAW_CONVERSION) +static int16_t seg_aend[8] = {0x1F, 0x3F, 0x7F, 0xFF, + 0x1FF, 0x3FF, 0x7FF, 0xFFF}; +static int16_t seg_uend[8] = {0x3F, 0x7F, 0xFF, 0x1FF, + 0x3FF, 0x7FF, 0xFFF, 0x1FFF}; + +static int16_t search( + int16_t val, + int16_t *table, + int size) +{ + int i; + + for (i = 0; i < size; i++) { + if (val <= *table++) + return (i); + } + return (size); +} +#endif /* !FAST_*_CONVERSION */ + +#ifndef FAST_ALAW_CONVERSION +/* + * linear2alaw() accepts an 13-bit signed integer and encodes it as A-law data + * stored in a unsigned char. This function should only be called with + * the data shifted such that it only contains information in the lower + * 13-bits. + * + * Linear Input Code Compressed Code + * ------------------------ --------------- + * 0000000wxyza 000wxyz + * 0000001wxyza 001wxyz + * 000001wxyzab 010wxyz + * 00001wxyzabc 011wxyz + * 0001wxyzabcd 100wxyz + * 001wxyzabcde 101wxyz + * 01wxyzabcdef 110wxyz + * 1wxyzabcdefg 111wxyz + * + * For further information see John C. Bellamy's Digital Telephony, 1982, + * John Wiley & Sons, pps 98-111 and 472-476. + */ +unsigned char sa_13linear2alaw( + int16_t pcm_val) /* 2's complement (13-bit range) */ +{ + int16_t mask; + short seg; + unsigned char aval; + + /* Have calling software do it since its already doing a shift + * from 32-bits down to 16-bits. + */ + /* pcm_val = pcm_val >> 3; */ + + /* A-law using even bit inversion */ + if (pcm_val >= 0) { + mask = 0xD5; /* sign (7th) bit = 1 */ + } else { + mask = 0x55; /* sign bit = 0 */ + pcm_val = -pcm_val - 1; + } + + /* Convert the scaled magnitude to segment number. */ + seg = search(pcm_val, seg_aend, 8); + + /* Combine the sign, segment, and quantization bits. */ + + if (seg >= 8) /* out of range, return maximum value. */ + return (unsigned char) (0x7F ^ mask); + else { + aval = (unsigned char) seg << SEG_SHIFT; + if (seg < 2) + aval |= (pcm_val >> 1) & QUANT_MASK; + else + aval |= (pcm_val >> seg) & QUANT_MASK; + return (aval ^ mask); + } +} + +/* + * alaw2linear() - Convert an A-law value to 16-bit signed linear PCM + * + */ +int16_t sa_alaw2linear16( + unsigned char a_val) +{ + int16_t t; + int16_t seg; + + a_val ^= 0x55; + + t = (a_val & QUANT_MASK) << 4; + seg = ((unsigned)a_val & SEG_MASK) >> SEG_SHIFT; + switch (seg) { + case 0: + t += 8; + break; + case 1: + t += 0x108; + break; + default: + t += 0x108; + t <<= seg - 1; + } + return ((a_val & SIGN_BIT) ? t : -t); +} +#endif /* !FAST_ALAW_CONVERSION */ + +#define BIAS (0x84) /* Bias for linear code. */ +#define CLIP 8159 + +#ifndef FAST_ULAW_CONVERSION +/* + * linear2ulaw() accepts a 14-bit signed integer and encodes it as u-law data + * stored in a unsigned char. This function should only be called with + * the data shifted such that it only contains information in the lower + * 14-bits. + * + * In order to simplify the encoding process, the original linear magnitude + * is biased by adding 33 which shifts the encoding range from (0 - 8158) to + * (33 - 8191). The result can be seen in the following encoding table: + * + * Biased Linear Input Code Compressed Code + * ------------------------ --------------- + * 00000001wxyza 000wxyz + * 0000001wxyzab 001wxyz + * 000001wxyzabc 010wxyz + * 00001wxyzabcd 011wxyz + * 0001wxyzabcde 100wxyz + * 001wxyzabcdef 101wxyz + * 01wxyzabcdefg 110wxyz + * 1wxyzabcdefgh 111wxyz + * + * Each biased linear code has a leading 1 which identifies the segment + * number. The value of the segment number is equal to 7 minus the number + * of leading 0's. The quantization interval is directly available as the + * four bits wxyz. * The trailing bits (a - h) are ignored. + * + * Ordinarily the complement of the resulting code word is used for + * transmission, and so the code word is complemented before it is returned. + * + * For further information see John C. Bellamy's Digital Telephony, 1982, + * John Wiley & Sons, pps 98-111 and 472-476. + */ +unsigned char sa_14linear2ulaw( + int16_t pcm_val) /* 2's complement (14-bit range) */ +{ + int16_t mask; + int16_t seg; + unsigned char uval; + + /* Have calling software do it since its already doing a shift + * from 32-bits down to 16-bits. + */ + /* pcm_val = pcm_val >> 2; */ + + /* u-law inverts all bits */ + /* Get the sign and the magnitude of the value. */ + if (pcm_val < 0) { + pcm_val = -pcm_val; + mask = 0x7F; + } else { + mask = 0xFF; + } + if ( pcm_val > CLIP ) pcm_val = CLIP; /* clip the magnitude */ + pcm_val += (BIAS >> 2); + + /* Convert the scaled magnitude to segment number. */ + seg = search(pcm_val, seg_uend, 8); + + /* + * Combine the sign, segment, quantization bits; + * and complement the code word. + */ + if (seg >= 8) /* out of range, return maximum value. */ + return (unsigned char) (0x7F ^ mask); + else { + uval = (unsigned char) (seg << 4) | ((pcm_val >> (seg + 1)) & 0xF); + return (uval ^ mask); + } + +} + +/* + * ulaw2linear() - Convert a u-law value to 16-bit linear PCM + * + * First, a biased linear code is derived from the code word. An unbiased + * output can then be obtained by subtracting 33 from the biased code. + * + * Note that this function expects to be passed the complement of the + * original code word. This is in keeping with ISDN conventions. + */ +int16_t sa_ulaw2linear16( + unsigned char u_val) +{ + int16_t t; + + /* Complement to obtain normal u-law value. */ + u_val = ~u_val; + + /* + * Extract and bias the quantization bits. Then + * shift up by the segment number and subtract out the bias. + */ + t = ((u_val & QUANT_MASK) << 3) + BIAS; + t <<= ((unsigned)u_val & SEG_MASK) >> SEG_SHIFT; + + return ((u_val & SIGN_BIT) ? (BIAS - t) : (t - BIAS)); +} +#endif /* !FAST_ULAW_CONVERSION */ + +#ifdef FAST_ALAW_CONVERSION + +int16_t _sa_alaw2linear16[256] = { + -5504, -5248, -6016, -5760, -4480, -4224, -4992, + -4736, -7552, -7296, -8064, -7808, -6528, -6272, + -7040, -6784, -2752, -2624, -3008, -2880, -2240, + -2112, -2496, -2368, -3776, -3648, -4032, -3904, + -3264, -3136, -3520, -3392, -22016, -20992, -24064, + -23040, -17920, -16896, -19968, -18944, -30208, -29184, + -32256, -31232, -26112, -25088, -28160, -27136, -11008, + -10496, -12032, -11520, -8960, -8448, -9984, -9472, + -15104, -14592, -16128, -15616, -13056, -12544, -14080, + -13568, -344, -328, -376, -360, -280, -264, + -312, -296, -472, -456, -504, -488, -408, + -392, -440, -424, -88, -72, -120, -104, + -24, -8, -56, -40, -216, -200, -248, + -232, -152, -136, -184, -168, -1376, -1312, + -1504, -1440, -1120, -1056, -1248, -1184, -1888, + -1824, -2016, -1952, -1632, -1568, -1760, -1696, + -688, -656, -752, -720, -560, -528, -624, + -592, -944, -912, -1008, -976, -816, -784, + -880, -848, 5504, 5248, 6016, 5760, 4480, + 4224, 4992, 4736, 7552, 7296, 8064, 7808, + 6528, 6272, 7040, 6784, 2752, 2624, 3008, + 2880, 2240, 2112, 2496, 2368, 3776, 3648, + 4032, 3904, 3264, 3136, 3520, 3392, 22016, + 20992, 24064, 23040, 17920, 16896, 19968, 18944, + 30208, 29184, 32256, 31232, 26112, 25088, 28160, + 27136, 11008, 10496, 12032, 11520, 8960, 8448, + 9984, 9472, 15104, 14592, 16128, 15616, 13056, + 12544, 14080, 13568, 344, 328, 376, 360, + 280, 264, 312, 296, 472, 456, 504, + 488, 408, 392, 440, 424, 88, 72, + 120, 104, 24, 8, 56, 40, 216, + 200, 248, 232, 152, 136, 184, 168, + 1376, 1312, 1504, 1440, 1120, 1056, 1248, + 1184, 1888, 1824, 2016, 1952, 1632, 1568, + 1760, 1696, 688, 656, 752, 720, 560, + 528, 624, 592, 944, 912, 1008, 976, + 816, 784, 880, 848 +}; + +uint8_t _sa_13linear2alaw[0x2000] = { + 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, + 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, + 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, + 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, + 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, + 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, + 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, + 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, + 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, + 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, + 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2b, 0x2b, 0x2b, 0x2b, + 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, + 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, + 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, + 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, + 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, + 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, + 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, + 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, + 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, + 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, + 0x2b, 0x2b, 0x2b, 0x2b, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, + 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, + 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, + 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, + 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, + 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, + 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, + 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, + 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, + 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, + 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, + 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, + 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, + 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, + 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, + 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, + 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, + 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, + 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, + 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, + 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, + 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x29, 0x2e, 0x2e, 0x2e, 0x2e, + 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, + 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, + 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, + 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, + 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, + 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, + 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, + 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, + 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, + 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, 0x2e, + 0x2e, 0x2e, 0x2e, 0x2e, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, + 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, + 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 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0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, + 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, + 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, + 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, + 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, + 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, + 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, + 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, + 0x81, 0x81, 0x81, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80 +}; + +#endif /* FAST_ULAW_CONVERSION */ + +/* The following code was used to generate the lookup tables */ +#if 0 +int main() +{ + int x, y, find2a = 0; + + y = 0; + printf("int16_t _st_alaw2linear16[256] = {\n "); + for (x = 0; x < 256; x++) + { + printf("%8d,", st_alaw2linear16(x)); + y++; + if (y == 7) + { + y = 0; + printf("\n "); + } + } + + printf("\n};\n\nuint8_t _st_13linear2alaw[0x2000] = {\n "); + y = 0; + for (x = 0; x < 0x2000; x++) + { + printf(" 0x%02x,", st_13linear2alaw((-0x1000)+x)); + y++; + if (y == 12) + { + y = 0; + printf("\n "); + } + } + + printf("\n};\n\nint16_t _st_ulaw2linear16[256] = {\n "); + y = 0; + for (x = 0; x < 256; x++) + { + printf("%8d,", st_ulaw2linear16(x)); + y++; + if (y == 7) + { + y = 0; + printf("\n "); + } + } + + printf("\n};\n\nuint8_t _st_14linear2ulaw[0x4000] = {\n "); + y = 0; + for (x = 0; x < 0x4000; x++) + { + printf(" 0x%02x,", st_14linear2ulaw((-0x2000)+x)); + y++; + if (y == 12) + { + y = 0; + printf("\n "); + } + } + printf("\n};\n"); + +} +#endif + +/* The following is not used by SoX but kept for reference */ +#if 0 +/* copy from CCITT G.711 specifications */ +unsigned char _u2a[128] = { /* u- to A-law conversions */ + 1, 1, 2, 2, 3, 3, 4, 4, + 5, 5, 6, 6, 7, 7, 8, 8, + 9, 10, 11, 12, 13, 14, 15, 16, + 17, 18, 19, 20, 21, 22, 23, 24, + 25, 27, 29, 31, 33, 34, 35, 36, + 37, 38, 39, 40, 41, 42, 43, 44, + 46, 48, 49, 50, 51, 52, 53, 54, + 55, 56, 57, 58, 59, 60, 61, 62, + 64, 65, 66, 67, 68, 69, 70, 71, + 72, 73, 74, 75, 76, 77, 78, 79, +/* corrected: + 81, 82, 83, 84, 85, 86, 87, 88, + should be: */ + 80, 82, 83, 84, 85, 86, 87, 88, + 89, 90, 91, 92, 93, 94, 95, 96, + 97, 98, 99, 100, 101, 102, 103, 104, + 105, 106, 107, 108, 109, 110, 111, 112, + 113, 114, 115, 116, 117, 118, 119, 120, + 121, 122, 123, 124, 125, 126, 127, 128}; + +unsigned char _a2u[128] = { /* A- to u-law conversions */ + 1, 3, 5, 7, 9, 11, 13, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + 32, 32, 33, 33, 34, 34, 35, 35, + 36, 37, 38, 39, 40, 41, 42, 43, + 44, 45, 46, 47, 48, 48, 49, 49, + 50, 51, 52, 53, 54, 55, 56, 57, + 58, 59, 60, 61, 62, 63, 64, 64, + 65, 66, 67, 68, 69, 70, 71, 72, +/* corrected: + 73, 74, 75, 76, 77, 78, 79, 79, + should be: */ + 73, 74, 75, 76, 77, 78, 79, 80, + + 80, 81, 82, 83, 84, 85, 86, 87, + 88, 89, 90, 91, 92, 93, 94, 95, + 96, 97, 98, 99, 100, 101, 102, 103, + 104, 105, 106, 107, 108, 109, 110, 111, + 112, 113, 114, 115, 116, 117, 118, 119, + 120, 121, 122, 123, 124, 125, 126, 127}; + +/* A-law to u-law conversion */ +unsigned char sa_alaw2ulaw( + unsigned char aval) +{ + aval &= 0xff; + return (unsigned char) ((aval & 0x80) ? (0xFF ^ _a2u[aval ^ 0xD5]) : + (0x7F ^ _a2u[aval ^ 0x55])); +} + +/* u-law to A-law conversion */ +unsigned char sa_ulaw2alaw( + unsigned char uval) +{ + uval &= 0xff; + return (unsigned char) ((uval & 0x80) ? (0xD5 ^ (_u2a[0xFF ^ uval] - 1)) : + (unsigned char) (0x55 ^ (_u2a[0x7F ^ uval] - 1))); +} +#endif diff --git a/src/g711.h b/src/g711.h new file mode 100644 index 0000000..ef43e3f --- /dev/null +++ b/src/g711.h @@ -0,0 +1,40 @@ +#ifndef foosydneyg711hfoo +#define foosydneyg711hfoo + +/* g711.h - include for G711 u-law and a-law conversion routines +** +** Copyright (C) 2001 Chris Bagwell +** +** Permission to use, copy, modify, and distribute this software and its +** documentation for any purpose and without fee is hereby granted, provided +** that the above copyright notice appear in all copies and that both that +** copyright notice and this permission notice appear in supporting +** documentation. This software is provided "as is" without express or +** implied warranty. +*/ + +/** Copied from sox */ + +#include + +#ifdef FAST_ALAW_CONVERSION +extern uint8_t _sa_13linear2alaw[0x2000]; +extern int16_t _sa_alaw2linear16[256]; +#define sa_13linear2alaw(sw) (_sa_13linear2alaw[(sw + 0x1000)]) +#define sa_alaw2linear16(uc) (_sa_alaw2linear16[uc]) +#else +unsigned char sa_13linear2alaw(int16_t pcm_val); +int16_t sa_alaw2linear16(unsigned char); +#endif + +#ifdef FAST_ULAW_CONVERSION +extern uint8_t _sa_14linear2ulaw[0x4000]; +extern int16_t _sa_ulaw2linear16[256]; +#define sa_14linear2ulaw(sw) (_sa_14linear2ulaw[(sw + 0x2000)]) +#define sa_ulaw2linear16(uc) (_sa_ulaw2linear16[uc]) +#else +unsigned char sa_14linear2ulaw(int16_t pcm_val); +int16_t sa_ulaw2linear16(unsigned char); +#endif + +#endif diff --git a/src/interleave.c b/src/interleave.c new file mode 100644 index 0000000..d0470f7 --- /dev/null +++ b/src/interleave.c @@ -0,0 +1,64 @@ +#include + +#include "macro.h" +#include "interleave.h" + +static void interleave8(void *_dst, size_t dstr, const void *_src, size_t sstr, size_t bytes) { + uint8_t *dst = _dst; + const uint8_t *src = _src; + + for (; bytes > 0; bytes--, src += sstr, dst += dstr) + *dst = *src; +} + +static void interleave16(void *_dst, size_t dstr, const void *_src, size_t sstr, size_t bytes) { + uint16_t *dst = _dst; + const uint16_t *src = _src; + unsigned n = bytes / sizeof(uint16_t); + + for (; n > 0; n--, src += sstr/sizeof(uint16_t), dst += dstr/sizeof(uint16_t)) + *dst = *src; +} + +static void interleave24(void *_dst, size_t dstr, const void *_src, size_t sstr, size_t bytes) { + uint8_t *dst = _dst; + const uint8_t *src = _src; + unsigned n = bytes / 3; + + for (; n > 0; n--, src += sstr/3, dst += dstr/3) { + dst[0] = src[0]; + dst[1] = src[1]; + dst[2] = src[2]; + } +} + +static void interleave32(void *_dst, size_t dstr, const void *_src, size_t sstr, size_t bytes) { + uint32_t *dst = _dst; + const uint32_t *src = _src; + unsigned n = bytes / sizeof(uint32_t); + + for (; n > 0; n--, src += sstr/sizeof(uint32_t), dst += dstr/sizeof(uint32_t)) + *dst = *src; +} + +sa_interleave_func_t sa_get_interleave_func(sa_pcm_format_t f) { + + static const sa_interleave_func_t funcs[_SA_PCM_FORMAT_MAX] = { + [SA_PCM_FORMAT_U8] = interleave8, + [SA_PCM_FORMAT_ULAW] = interleave8, + [SA_PCM_FORMAT_ALAW] = interleave8, + [SA_PCM_FORMAT_S16_LE] = interleave16, + [SA_PCM_FORMAT_S16_BE] = interleave16, + [SA_PCM_FORMAT_S24_LE] = interleave24, + [SA_PCM_FORMAT_S24_BE] = interleave24, + [SA_PCM_FORMAT_S32_LE] = interleave32, + [SA_PCM_FORMAT_S32_BE] = interleave32, + [SA_PCM_FORMAT_FLOAT32_LE] = interleave32, + [SA_PCM_FORMAT_FLOAT32_BE] = interleave32, + }; + + sa_assert(f < _SA_PCM_FORMAT_MAX); + + return funcs[f]; +} + diff --git a/src/interleave.h b/src/interleave.h new file mode 100644 index 0000000..ed4a527 --- /dev/null +++ b/src/interleave.h @@ -0,0 +1,12 @@ +#ifndef foosydneyhinterleavehfoo +#define foosydneyhinterleavehfoo + +#include + +#include "sydney.h" + +typedef void (*sa_interleave_func_t) (void *dst, size_t dstr, const void *src, size_t sstr, size_t bytes); + +sa_interleave_func_t sa_get_interleave_func(sa_pcm_format_t f); + +#endif diff --git a/src/llist.h b/src/llist.h new file mode 100644 index 0000000..3d42218 --- /dev/null +++ b/src/llist.h @@ -0,0 +1,70 @@ +#ifndef foosydneyllistfoo +#define foosydneyllistfoo + + +#include "macro.h" + +#define SA_LLIST_HEAD(t,head) t* head + +#define SA_LLIST_ITEM(t,name) t* name##_prev, *name##_next + +#define SA_LLIST_HEAD_INIT(t,head) (head) = (t*) NULL + +#define SA_LLIST_ITEM_INIT(t,name,item) do { \ + t *_item = (item); \ + sa_assert(_item); \ + _item->name##_prev = _item->name##_next = NULL; \ + } while(0) + +#define SA_LLIST_PREPEND(t,name,head,item) do { \ + t **_head = &(head), *_item = (item); \ + sa_assert(_item); \ + if ((_item->name##_next = *_head)) \ + _item->name##_next->name##_prev = _item; \ + _item->name##_prev = NULL; \ + *_head = _item; \ + } while (0) + +#define SA_LLIST_INSERT_BEFORE(t,name,head,at,item) do { \ + t **_head = &(head), *_item = (item), *_at = (at); \ + sa_assert(_item); \ + sa_assert(_at); \ + if ((_item->name##_prev = _at->name##_prev)) { \ + sa_assert(_item->name##_prev->name##_next == _at); \ + _item->name##_prev->name##_next = _item; \ + } else {\ + sa_assert(*_head == _at); \ + *_head = _item; \ + } \ + _item->name##_next = _at; \ + _at->name##_prev = _item; \ + } while (0) + +#define SA_LLIST_INSERT_AFTER(t,name,head,at,item) do { \ + t *_item = (item), *_at = (at); \ + sa_assert(_item); \ + sa_assert(_at); \ + if ((_item->name##_next = _at->name##_next)) { \ + sa_assert(_item->name##_next->name##_prev == _at); \ + _item->name##_next->name##_prev = _item; \ + } \ + _item->name##_prev = _at; \ + _at->name##_next = _item; \ + } while (0) + +#define SA_LLIST_REMOVE(t,name,head,item) do { \ + t **_head = &(head), *_item = (item); \ + sa_assert(_item); \ + if (_item->name##_next) \ + _item->name##_next->name##_prev = _item->name##_prev; \ + if (_item->name##_prev) \ + _item->name##_prev->name##_next = _item->name##_next; \ + else {\ + sa_assert(*_head == _item); \ + *_head = _item->name##_next; \ + } \ + _item->name##_next = _item->name##_prev = NULL; \ + } while(0) + + +#endif diff --git a/src/macro.h b/src/macro.h new file mode 100644 index 0000000..d664c3e --- /dev/null +++ b/src/macro.h @@ -0,0 +1,104 @@ +#ifndef foomacrohfoo +#define foomacrohfoo + +#include +#include + +#ifdef __GNUC__ +#define SA_PRETTY_FUNCTION __PRETTY_FUNCTION__ +#else +#define SA_PRETTY_FUNCTION "" +#endif + +#define sa_return_if_fail(expr) \ + do { \ + if (!(expr)) { \ + fprintf(stderr, "%s: Assertion <%s> failed.\n", SA_PRETTY_FUNCTION, #expr ); \ + return; \ + } \ + } while(0) + +#define sa_return_val_if_fail(expr, val) \ + do { \ + if (!(expr)) { \ + fprintf(stderr, "%s: Assertion <%s> failed.\n", SA_PRETTY_FUNCTION, #expr ); \ + return (val); \ + } \ + } while(0) + +#define sa_return_if_fail_mutex(m, expr) \ + do { \ + if (!(expr)) { \ + fprintf(stderr, "%s: Assertion <%s> failed.\n", SA_PRETTY_FUNCTION, #expr ); \ + sa_mutex_unlock(m); \ + return; \ + } \ + } while(0) + +#define sa_return_val_if_fail_mutex(m, expr, val) \ + do { \ + if (!(expr)) { \ + \ + fprintf(stderr, "%s: Assertion <%s> failed.\n", SA_PRETTY_FUNCTION, #expr ); \ + sa_mutex_unlock(m); \ + return (val); \ + } \ + } while(0) + +#define sa_assert assert + +/* An assert which guarantees side effects of x */ +#ifdef NDEBUG +#define sa_assert_se(x) x +#else +#define sa_assert_se(x) sa_assert(x) +#endif + +#define sa_assert_not_reached() sa_assert(!"Should not be reached.") + +#define sa_assert_success(x) do { \ + int _r = (x); \ + sa_assert(_r == 0); \ + } while(0) + +#define SA_ELEMENTSOF(x) (sizeof(x)/sizeof((x)[0])) + +#ifndef MAX +#define MAX(a, b) ((a) > (b) ? (a) : (b)) +#endif + +#ifndef MIN +#define MIN(a, b) ((a) < (b) ? (a) : (b)) +#endif + +#ifndef CLAMP +#define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x))) +#endif + +#ifndef FALSE +#define FALSE (0) +#endif + +#ifndef TRUE +#define TRUE (!FALSE) +#endif + +#define SA_PTR_TO_UINT(p) ((unsigned int) (unsigned long) (p)) +#define SA_UINT_TO_PTR(u) ((void*) (unsigned long) (u)) + +#define SA_PTR_TO_UINT32(p) ((uint32_t) SA_PTR_TO_UINT(p)) +#define SA_UINT32_TO_PTR(u) SA_UINT_TO_PTR((uint32_t) u) + +#define SA_PTR_TO_INT(p) ((int) SA_PTR_TO_UINT(p)) +#define SA_INT_TO_PTR(u) SA_UINT_TO_PTR((int) u) + +#define SA_PTR_TO_INT32(p) ((int32_t) SA_PTR_TO_UINT(p)) +#define SA_INT32_TO_PTR(u) SA_UINT_TO_PTR((int32_t) u) + +static inline size_t sa_align(size_t l) { + return (((l + sizeof(void*) - 1) / sizeof(void*)) * sizeof(void*)); +} + +#define SA_ALIGN(x) (sa_align(x)) + +#endif diff --git a/src/malloc.c b/src/malloc.c new file mode 100644 index 0000000..6a89554 --- /dev/null +++ b/src/malloc.c @@ -0,0 +1,13 @@ +#include + +#include "malloc.h" + +void* sa_memdup(const void* p, size_t size) { + void *r; + + if (!(r = sa_malloc(size))) + return NULL; + + memcpy(r, p, size); + return r; +} diff --git a/src/malloc.h b/src/malloc.h new file mode 100644 index 0000000..bcaf53e --- /dev/null +++ b/src/malloc.h @@ -0,0 +1,19 @@ +#ifndef foomallochfoo +#define foomallochfoo + +#include +#include + +#define sa_malloc malloc +#define sa_free free +#define sa_malloc0(size) calloc(1, (size)) +#define sa_strdup strdup +#define sa_strndup strndup + +void* sa_memdup(const void* p, size_t size); + +#define sa_new(t, n) ((t*) sa_malloc(sizeof(t)*(n))) +#define sa_new0(t, n) ((t*) sa_malloc0(sizeof(t)*(n))) +#define sa_newdup(t, p, n) ((t*) sa_memdup(p, sizeof(t)*(n))) + +#endif diff --git a/src/meta-name-table.gperf b/src/meta-name-table.gperf new file mode 100644 index 0000000..69db483 --- /dev/null +++ b/src/meta-name-table.gperf @@ -0,0 +1,11 @@ +struct meta_name { const char* name; int idx; }; +%% +sydney.client-name, 0 +sydney.process-id, 1 +sydney.language, 2 +sydney.stream-name, 3 +sydney.icon-name, 4 +sydney.icon-png, 5 +sydney.role, 6 +sydney.x11-xid, 7 +sydney.x11-display, 8 diff --git a/src/mutex.c b/src/mutex.c new file mode 100644 index 0000000..12a4f4a --- /dev/null +++ b/src/mutex.c @@ -0,0 +1,97 @@ +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include + +#include "macro.h" +#include "malloc.h" +#include "mutex.h" + +struct sa_mutex { + pthread_mutex_t mutex; +}; + +struct sa_cond { + pthread_cond_t cond; +}; + +sa_mutex_t* sa_mutex_new(int recursive) { + sa_mutex_t *m; + pthread_mutexattr_t attr; + + pthread_mutexattr_init(&attr); + + if (recursive) + sa_assert_success(pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE)); + + if (!(m = sa_new(sa_mutex_t, 1))) + return NULL; + + sa_assert_success(pthread_mutex_init(&m->mutex, &attr)); + return m; +} + +void sa_mutex_free(sa_mutex_t *m) { + sa_assert(m); + + sa_assert_success(pthread_mutex_destroy(&m->mutex)); + sa_free(m); +} + +void sa_mutex_lock(sa_mutex_t *m) { + sa_assert(m); + + sa_assert_success(pthread_mutex_lock(&m->mutex)); +} + +int sa_mutex_try_lock(sa_mutex_t *m) { + int e; + sa_assert(m); + + if ((e = pthread_mutex_trylock(&m->mutex)) == 0) + return 1; + + sa_assert(e == EBUSY); + return 0; +} + +void sa_mutex_unlock(sa_mutex_t *m) { + sa_assert(m); + + sa_assert_success(pthread_mutex_unlock(&m->mutex)); +} + +sa_cond_t *sa_cond_new(void) { + sa_cond_t *c; + + if (!(c = sa_new(sa_cond_t, 1))) + return NULL; + + sa_assert_success(pthread_cond_init(&c->cond, NULL)); + return c; +} + +void sa_cond_free(sa_cond_t *c) { + sa_assert(c); + + sa_assert_success(pthread_cond_destroy(&c->cond)); + sa_free(c); +} + +void sa_cond_signal(sa_cond_t *c, int broadcast) { + sa_assert(c); + + if (broadcast) + sa_assert_success(pthread_cond_broadcast(&c->cond)); + else + sa_assert_success(pthread_cond_signal(&c->cond)); +} + +int sa_cond_wait(sa_cond_t *c, sa_mutex_t *m) { + sa_assert(c); + sa_assert(m); + + return pthread_cond_wait(&c->cond, &m->mutex); +} diff --git a/src/mutex.h b/src/mutex.h new file mode 100644 index 0000000..e83feb8 --- /dev/null +++ b/src/mutex.h @@ -0,0 +1,19 @@ +#ifndef foosydneymutexhfoo +#define foosydneymutexhfoo + +typedef struct sa_mutex sa_mutex_t; + +sa_mutex_t* sa_mutex_new(int recursive); +void sa_mutex_free(sa_mutex_t *m); +void sa_mutex_lock(sa_mutex_t *m); +void sa_mutex_unlock(sa_mutex_t *m); +int sa_mutex_try_lock(sa_mutex_t *m); + +typedef struct sa_cond sa_cond_t; + +sa_cond_t *sa_cond_new(void); +void sa_cond_free(sa_cond_t *c); +void sa_cond_signal(sa_cond_t *c, int broadcast); +int sa_cond_wait(sa_cond_t *c, sa_mutex_t *m); + +#endif diff --git a/src/once.c b/src/once.c new file mode 100644 index 0000000..5dc9764 --- /dev/null +++ b/src/once.c @@ -0,0 +1,58 @@ +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include + +#include "once.h" +#include "mutex.h" +#include "malloc.h" +#include "macro.h" + +static sa_mutex_t *global_mutex; +static pthread_once_t global_mutex_once = PTHREAD_ONCE_INIT; + +static void global_mutex_once_func(void) { + global_mutex = sa_mutex_new(0); +} + +int sa_once(sa_once_t *control, sa_once_func_t func) { + int r; + + assert(control); + assert(func); + + /* Create the global mutex */ + sa_assert_success(pthread_once(&global_mutex_once, global_mutex_once_func)); + + if (!global_mutex) + return -1; + + r = 0; + + /* Create the local mutex */ + sa_mutex_lock(global_mutex); + if (!control->mutex) { + if (!(control->mutex = sa_mutex_new(1))) + r = -1; + } + sa_mutex_unlock(global_mutex); + + if (r) + return -1; + + /* Execute function */ + sa_mutex_lock(control->mutex); + if (!control->once_value) { + control->once_value = 1; + func(); + } + sa_mutex_unlock(control->mutex); + + /* Caveat: We have to make sure that the once func has completed + * before returning, even if the once func is not actually + * executed by us. Hence the awkward locking. */ + + return 0; +} diff --git a/src/once.h b/src/once.h new file mode 100644 index 0000000..a374529 --- /dev/null +++ b/src/once.h @@ -0,0 +1,17 @@ +#ifndef foosydneyoncehfoo +#define foosydneyoncehfoo + +#include "mutex.h" + +typedef struct sa_once { + unsigned int once_value; + sa_mutex_t *mutex; +} sa_once_t; + +#define SA_ONCE_INIT { .once_value = 0, .mutex = NULL } + +typedef void (*sa_once_func_t) (void); + +int sa_once(sa_once_t *o, sa_once_func_t f); + +#endif diff --git a/src/oss.c b/src/oss.c new file mode 100644 index 0000000..d09f8aa --- /dev/null +++ b/src/oss.c @@ -0,0 +1,858 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "sydney.h" +#include "common.h" +#include "macro.h" +#include "malloc.h" +#include "converter.h" +#include "driver.h" +#include "thread.h" +#include "bufferq.h" + +#define DEFAULT_DEVICE "/dev/dsp" +#define DRIVER_NAME "oss" + +typedef struct oss_stream oss_stream_t; +#define OSS_STREAM(x) ((oss_stream_t*) (x->private)) + +struct oss_stream { + sa_stream_t *parent; + int fd; + pcm_attrs_t real_pcm_attrs; + sa_converter_t converter_read, converter_write; + size_t read_fragment_size, write_fragment_size; + unsigned read_nfragments, write_nfragments; + sa_thread_t *thread; + int socket_fds[2]; + sa_bufferq_t bufferq; +}; + +static int simple_log2(int v) { + int k = 0; + + for (;;) { + v >>= 1; + if (!v) break; + k++; + } + + return k; +} + +static size_t fixup_bps(size_t s, size_t bps1, size_t bps2) { + return (s*bps2)/bps1; +} + +int driver_open(sa_stream_t *s) { + oss_stream_t *oss; + char *n; + int f, arg, bs, r, phase, i, found, suggested, fs, l, m; + unsigned c; + size_t real_bps = 0, bps; + int loops = 0; + + static const int format_map[_SA_PCM_FORMAT_MAX] = { + [SA_PCM_FORMAT_U8] = AFMT_U8, + [SA_PCM_FORMAT_ULAW] = AFMT_MU_LAW, + [SA_PCM_FORMAT_ALAW] = AFMT_A_LAW, + [SA_PCM_FORMAT_S16_LE] = AFMT_S16_LE, + [SA_PCM_FORMAT_S16_BE] = AFMT_S16_BE, + [SA_PCM_FORMAT_S24_LE] = AFMT_S16_NE, /* OSS doesn't know this format, hence we pick the best we can */ + [SA_PCM_FORMAT_S24_BE] = AFMT_S16_NE, + [SA_PCM_FORMAT_S32_LE] = AFMT_S16_NE, + [SA_PCM_FORMAT_S32_BE] = AFMT_S16_NE, + [SA_PCM_FORMAT_FLOAT32_LE] = AFMT_S16_NE, + [SA_PCM_FORMAT_FLOAT32_BE] = AFMT_S16_NE + }; + static const int try_rates[] = { 8000, 16000, 32000, 44100, 48000, 96000, 192000 }; + + if (s->driver && strcmp(s->driver, DRIVER_NAME)) + return SA_ERROR_NO_DRIVER; + + if (!(s->private = oss = sa_new0(oss_stream_t, 1))) + return SA_ERROR_OOM; + + oss->parent = s; + oss->socket_fds[0] = oss->socket_fds[1] = -1; + + n = s->device ? s->device : DEFAULT_DEVICE; + if (!s->codec) + bps = s->pcm_frame_size * s->pcm_attrs.rate; + + for (;;) { + /* We need to loop here, because we have to call SETFRAGMENT + * as first ioctl after the open, at a point where we + * don't now yet the sample type, freq and the number of + * channels we actually settled on. Hence we have to loop + * here: if the sampling format is too far off we have to call + * SETFRAGMENT again which can do only after reopening the + * device again. */ + + if ((oss->fd = open(n, s->mode == SA_MODE_RDONLY ? O_RDONLY : (s->mode == SA_MODE_WRONLY ? O_WRONLY : O_RDWR) | O_NOCTTY | O_NONBLOCK)) < 0) { + + if (errno == ENODEV || errno == ENOENT) + r = SA_ERROR_NO_DEVICE; + else + r = SA_ERROR_SYSTEM; + + goto fail; + } + + fcntl(oss->fd, F_SETFL, fcntl(oss->fd, F_GETFL) & ~O_NONBLOCK); /* FIXME*/ + + if (!s->device) { + if (!(n = sa_strdup(n))) { + r = SA_ERROR_OOM; + goto fail; + } + + s->device = n; + } + + /* Set fragment settings */ + if (s->mode & SA_MODE_WRONLY) { + bs = s->write_lower_watermark; + } + + if (s->mode & SA_MODE_RDONLY) { + int rbs; + + rbs = s->read_upper_watermark; + + if (s->mode & SA_MODE_WRONLY) + bs = bs > rbs ? bs : rbs; + else + bs = rbs; + } + + if (!s->codec && real_bps) + bs = fixup_bps(bs, bps, real_bps); + + fs = bs/4; + l = simple_log2(fs); + if (l < 1) l = 1; + m = (bs+(1< 0x7FFF) m = 0x7FFF; + + printf("Asking OSS for: %u fragments, %u fragsize\n", m, 1 << l); + + arg = (m << 16) | l; + + ioctl(oss->fd, SNDCTL_DSP_SETFRAGMENT, &arg); + /* We ignore errors on this call, since it's merely a hint anyway */ + + if (s->codec) { + + if (strcmp(s->codec, SA_CODEC_AC3) == 0) + f = AFMT_AC3; + else if (strcmp(s->codec, SA_CODEC_MPEG) == 0) + f = AFMT_MPEG; + else { + r = SA_ERROR_NO_CODEC; + goto fail; + } + + } else + f = format_map[s->pcm_attrs.format]; + + bs = 0; + + for (;;) { + arg = f; + + if (ioctl(oss->fd, SNDCTL_DSP_SETFMT, &arg) < 0) { + r = SA_ERROR_SYSTEM; + goto fail; + } + + if (arg == f) + break; + + /* Hmm, the device doesn't support what we're looking for, + * let's try our luck */ + + if (f == AFMT_S16_LE && !bs) { + f = AFMT_S16_BE; + bs = 1; + } else if (f == AFMT_S16_BE && !bs) { + f = AFMT_S16_LE; + bs = 1; + } else if (f == AFMT_S16_LE || f == AFMT_S16_BE) { + f = AFMT_MU_LAW; + bs = 0; + } else if (f == AFMT_MU_LAW && !bs) { + f = AFMT_A_LAW; + bs = 1; + } else if (f == AFMT_A_LAW && !bs) { + f = AFMT_MU_LAW; + bs = 1; + } else if (f == AFMT_A_LAW || f == AFMT_MU_LAW) { + f = AFMT_U8; + } else if (f == AFMT_AC3 || f == AFMT_MPEG) { + r = SA_ERROR_NO_CODEC; + goto fail; + } else { + r = SA_ERROR_NO_PCM_FORMAT; + goto fail; + } + } + + if (!s->codec) { + + switch (f) { + case AFMT_MU_LAW: + oss->real_pcm_attrs.format = SA_PCM_FORMAT_ULAW; + break; + + case AFMT_A_LAW: + oss->real_pcm_attrs.format = SA_PCM_FORMAT_ALAW; + break; + + case AFMT_U8: + oss->real_pcm_attrs.format = SA_PCM_FORMAT_U8; + break; + + case AFMT_S16_LE: + oss->real_pcm_attrs.format = SA_PCM_FORMAT_S16_LE; + break; + + case AFMT_S16_BE: + oss->real_pcm_attrs.format = SA_PCM_FORMAT_S16_BE; + break; + + default: + sa_assert_not_reached(); + } + + + found = 0; + + if (s->adjust_nchannels >= 0) { + + /* First try more channels ... */ + for (c = s->pcm_attrs.nchannels; c < 8 || c == s->pcm_attrs.nchannels; c ++) { + arg = c; + if (ioctl(oss->fd, SNDCTL_DSP_CHANNELS, &arg) < 0) { + r = SA_ERROR_SYSTEM; + goto fail; + } + + if (arg == (int) c) { + found = 1; + break; + } + } + + /* ... then try less channels */ + if (!found) { + for (c = s->pcm_attrs.nchannels - 1; c > 0; c --) { + arg = c; + if (ioctl(oss->fd, SNDCTL_DSP_CHANNELS, &arg) < 0) { + r = SA_ERROR_SYSTEM; + goto fail; + } + + if (arg == (int) c) { + found = 1; + break; + } + } + } + } else { + + /* First try less channels ... */ + for (c = s->pcm_attrs.nchannels; c > 0; c --) { + arg = c; + if (ioctl(oss->fd, SNDCTL_DSP_CHANNELS, &arg) < 0) { + r = SA_ERROR_SYSTEM; + goto fail; + } + + if (arg == (int) c) { + found = 1; + break; + } + } + + /* ... then try more channels */ + if (!found) { + for (c = s->pcm_attrs.nchannels + 1; c < 8; c ++) { + arg = c; + if (ioctl(oss->fd, SNDCTL_DSP_CHANNELS, &arg) < 0) { + r = SA_ERROR_SYSTEM; + goto fail; + } + + if (arg == (int) c) { + found = 1; + break; + } + } + } + } + + if (!found) { + errno = EIO; + r = SA_ERROR_SYSTEM; + goto fail; + } + + oss->real_pcm_attrs.nchannels = c; + + if (!(oss->real_pcm_attrs.channel_map = sa_new(sa_channel_t, c))) { + r = SA_ERROR_OOM; + goto fail; + } + + switch (c) { + case 8: + oss->real_pcm_attrs.channel_map[7] = SA_CHANNEL_REAR_RIGHT; + case 7: + oss->real_pcm_attrs.channel_map[6] = SA_CHANNEL_REAR_LEFT; + case 6: + oss->real_pcm_attrs.channel_map[5] = SA_CHANNEL_FRONT_LEFT; + case 5: + oss->real_pcm_attrs.channel_map[4] = SA_CHANNEL_FRONT_RIGHT; + case 4: + oss->real_pcm_attrs.channel_map[3] = SA_CHANNEL_LFE; + case 3: + oss->real_pcm_attrs.channel_map[2] = SA_CHANNEL_CENTER; + case 2: + oss->real_pcm_attrs.channel_map[1] = SA_CHANNEL_RIGHT; + oss->real_pcm_attrs.channel_map[0] = SA_CHANNEL_LEFT; + break; + case 1: + oss->real_pcm_attrs.channel_map[0] = SA_CHANNEL_MONO; + break; + } + + r = s->pcm_attrs.rate; + + if (r < 8000) + r = 8000; + + suggested = 0; + phase = 0; + + for (;;) { + arg = r; + + if (ioctl(oss->fd, SNDCTL_DSP_SPEED, &arg) < 0) { + r = SA_ERROR_SYSTEM; + goto fail; + } + + sa_assert(arg > 0); + + if (arg >= r*0.95 || arg <= r *1.05) + break; + + if (arg > suggested) + suggested = arg; + + if (s->adjust_rate >= 0) { + + if (phase == 0) { + /* Find the next higher sample rate to try */ + + for (i = 0; i < (int) SA_ELEMENTSOF(try_rates); i++) { + /* Yes, we could optimize a little here */ + + if (try_rates[i] > r) { + r = try_rates[i]; + break; + } + } + + + if (i == SA_ELEMENTSOF(try_rates)) { + phase = 1; + r = s->pcm_attrs.rate; + } + } + + if (phase == 1) { + /* Find the next lower sample rate to try */ + + for (i = SA_ELEMENTSOF(try_rates); i > 0; i--) { + if (suggested > try_rates[i-1] && suggested < r) { + r = suggested; + break; + } else if (try_rates[i-1] < r) { + r = try_rates[i-1]; + break; + } + } + + sa_assert(i > 0); + } + + } else { + + if (phase == 0) { + /* Find the next lower sample rate to try */ + + for (i = SA_ELEMENTSOF(try_rates); i > 0; i--) { + + if (try_rates[i-1] < r) { + r = try_rates[i-1]; + break; + } + } + + if (i == 0) { + phase = 1; + r = s->pcm_attrs.rate; + } + } + + if (phase == 1) { + /* Find the next higher sample rate to try */ + + for (i = 0; i < (int) SA_ELEMENTSOF(try_rates); i++) { + if (suggested > r && suggested < try_rates[i]) { + r = suggested; + break; + } else if (try_rates[i] < r) { + r = try_rates[i]; + break; + } + } + + sa_assert(i < (int) SA_ELEMENTSOF(try_rates)); + } + } + + } + + oss->real_pcm_attrs.rate = r; + + printf("Chosen: %u channels, %uHz, format=%u\n", oss->real_pcm_attrs.nchannels, oss->real_pcm_attrs.rate, oss->real_pcm_attrs.format); + + real_bps = oss->real_pcm_attrs.nchannels * oss->real_pcm_attrs.rate * sa_get_pcm_sample_size(oss->real_pcm_attrs.format); + + if (real_bps != bps && loops < 1) { + loops++; + + sa_free(oss->real_pcm_attrs.channel_map); + oss->real_pcm_attrs.channel_map = NULL; + + close(oss->fd); + + printf("bps changed, retrying...\n"); + continue; + } + } + + break; + } + + /* First, let's try GETBLKSIZE */ + if (ioctl(oss->fd, SNDCTL_DSP_GETBLKSIZE, &arg) >= 0) { + if (s->mode & SA_MODE_RDONLY) { + oss->read_fragment_size = arg; + oss->read_nfragments = 2; + } + + if (s->mode & SA_MODE_WRONLY) { + oss->write_fragment_size = arg; + oss->write_nfragments = 2; + } + } + + /* Now, let's use GETxSPACE */ + if (s->mode & SA_MODE_RDONLY) { + audio_buf_info info; + + if (ioctl(oss->fd, SNDCTL_DSP_GETISPACE, &info) >= 0) { + oss->read_fragment_size = info.fragsize; + oss->read_nfragments = info.fragstotal; + } + } + + if (s->mode & SA_MODE_WRONLY) { + audio_buf_info info; + + if (ioctl(oss->fd, SNDCTL_DSP_GETOSPACE, &info) >= 0) { + oss->write_fragment_size = info.fragsize; + oss->write_nfragments = info.fragstotal; + } + } + + if (s->mode & SA_MODE_WRONLY && (oss->write_fragment_size <= 0 || oss->write_nfragments <= 1)) { + errno = EIO; + r = SA_ERROR_SYSTEM; + goto fail; + } + + if (s->mode & SA_MODE_RDONLY && (oss->read_fragment_size <= 0 || oss->read_nfragments <= 1)) { + errno = EIO; + r = SA_ERROR_SYSTEM; + goto fail; + } + + if (!s->codec) { + + if (s->adjust_nchannels != 0) { + sa_channel_t *cm; + + if (!(cm = sa_newdup(sa_channel_t, oss->real_pcm_attrs.channel_map, oss->real_pcm_attrs.nchannels))) { + r = SA_ERROR_OOM; + goto fail; + } + + sa_free(s->pcm_attrs.channel_map); + s->pcm_attrs.channel_map = cm; + + s->pcm_attrs.nchannels = oss->real_pcm_attrs.nchannels; + } + if (s->adjust_rate != 0) + s->pcm_attrs.rate = oss->real_pcm_attrs.rate; + if (s->adjust_pcm_format != 0) + s->pcm_attrs.format = oss->real_pcm_attrs.format; + + if (s->mode & SA_MODE_RDONLY) + if ((r = sa_converter_init(&oss->converter_read, &oss->real_pcm_attrs, &s->pcm_attrs, s->dynamic_rate_enabled)) < 0) + goto fail; + + if (s->mode & SA_MODE_WRONLY) + if ((r = sa_converter_init(&oss->converter_write, &s->pcm_attrs, &oss->real_pcm_attrs, s->dynamic_rate_enabled)) < 0) + goto fail; + } + + if (s->adjust_watermarks) { + + if (s->mode & SA_MODE_RDONLY) { + s->read_lower_watermark = oss->read_fragment_size; + s->read_upper_watermark = oss->read_fragment_size * oss->read_nfragments; + } + + if (s->mode & SA_MODE_WRONLY) { + s->write_lower_watermark = oss->write_fragment_size; + s->write_upper_watermark = oss->write_fragment_size * oss->write_nfragments; + } + } + + if (s->mode & SA_MODE_RDONLY) + printf("Chosen for read: %u fragments, %u fragsize\n", oss->read_nfragments, oss->read_fragment_size); + + if (s->mode & SA_MODE_WRONLY) + printf("Chosen for write: %u fragments, %u fragsize\n", oss->write_nfragments, oss->write_fragment_size); + + if (sa_bufferq_init(&oss->bufferq, s->pcm_attrs.nchannels, s->pcm_sample_size) < 0) + goto fail; + + return SA_SUCCESS; + +fail: + driver_destroy(s); + return r; +} + +int driver_destroy(sa_stream_t *s) { + oss_stream_t *oss = OSS_STREAM(s); + + if (oss) { + + if (oss->thread) + driver_stop_thread(s); + + if (oss->fd >= 0) + close(oss->fd); + + sa_bufferq_done(&oss->bufferq); + + sa_free(oss->real_pcm_attrs.channel_map); + sa_converter_done(&oss->converter_read); + sa_converter_done(&oss->converter_write); + + sa_free(oss); + } + + return SA_SUCCESS; +} + +static int feed(sa_stream_t *s) { + oss_stream_t *oss = OSS_STREAM(s); + size_t w; + int ret; + + sa_assert(s); + + for (;;) { + if ((ret = driver_get_write_size(s, &w)) < 0) + return ret; + + while (w > 0) { + void* i[1]; + size_t nbytes; + uint8_t *d; + int drop; + + sa_bufferq_get(&oss->bufferq, i, &nbytes); + + if (nbytes) { + void **dst; + size_t *stride; + + if ((ret = sa_converter_go_interleaved(&oss->converter_write, i[0], &dst, &stride, 1, &nbytes))) + return ret; + + d = dst[0]; + drop = 1; + + s->state = SA_STATE_RUNNING; + + } else { + nbytes = w > oss->write_fragment_size ? oss->write_fragment_size : w; + + if (!(d = sa_converter_get_zero_buffer(&oss->converter_write, nbytes))) + return SA_ERROR_OOM; + + drop = s->xrun_mode == SA_XRUN_MODE_SPIN; + + if (s->xrun_mode == SA_XRUN_MODE_STOP) + s->state = SA_STATE_STOPPED; + } + + while (nbytes > 0) { + ssize_t l; + + if ((l = write(oss->fd, d, nbytes)) < 0) + return SA_ERROR_SYSTEM; + + sa_assert(l > 0); + + nbytes -= l; + d += l; + + w -= 1; + + if (drop) + sa_bufferq_drop(&oss->bufferq, l); + } + } + } + + return SA_SUCCESS; +} + +enum { + POLLFD_OSS_FD, + POLLFD_SOCKET_FD, + POLLFD_MAX +}; + +static void thread_func(void *data) { + struct pollfd pollfds[POLLFD_MAX]; + sa_stream_t *s = data; + oss_stream_t *oss = OSS_STREAM(s); + sigset_t mask; + + sigfillset(&mask); + pthread_sigmask(SIG_BLOCK, &mask, NULL); + + if (s->callback) { + s->event = SA_EVENT_INIT_THREAD; + if (s->callback(s, SA_EVENT_INIT_THREAD) < 0) + return; + } + + memset(pollfds, 0, sizeof(pollfds)); + + pollfds[POLLFD_SOCKET_FD].fd = oss->socket_fds[0]; + pollfds[POLLFD_SOCKET_FD].events = POLLIN; + + pollfds[POLLFD_OSS_FD].fd = oss->fd; + pollfds[POLLFD_OSS_FD].events = ((s->mode & SA_MODE_RDONLY) ? POLLIN : 0) | ((s->mode & SA_MODE_WRONLY) ? POLLOUT : 0); + + for (;;) { + int ret; + if (poll(pollfds, POLLFD_MAX, -1) < 0) { + if (errno == EINTR) + continue; + + if (s->callback) { + s->event = SA_EVENT_ERROR; + s->error = SA_ERROR_SYSTEM; + s->callback(s, SA_EVENT_ERROR); + } + break; + } + + if (pollfds[POLLFD_SOCKET_FD].revents) + break; + + if (pollfds[POLLFD_OSS_FD].revents & (POLLERR|POLLHUP|POLLNVAL)) { + + if (s->callback) { + s->event = SA_EVENT_ERROR; + s->error = SA_ERROR_SYSTEM; + errno = EIO; + s->callback(s, SA_EVENT_ERROR); + } + break; + } + + if (s->callback) { + s->event = SA_EVENT_REQUEST_IO; + if (s->callback(s, SA_EVENT_REQUEST_IO) < 0) + break; + } + + if ((ret = feed(s)) < 0) { + if (s->callback) { + s->event = SA_EVENT_ERROR; + s->error = ret; + s->callback(s, SA_EVENT_ERROR); + } + break; + } + } +} + +int driver_start_thread(sa_stream_t *s, sa_event_callback_t callback) { + oss_stream_t *oss = OSS_STREAM(s); + sa_return_val_if_fail(!oss->thread, SA_ERROR_STATE); + + s->callback = callback; + + if ((socketpair(AF_UNIX, SOCK_DGRAM, 0, oss->socket_fds)) < 0) + return SA_ERROR_SYSTEM; + + if (!(oss->thread = sa_thread_new(thread_func, s))) + return SA_ERROR_OOM; + + return SA_SUCCESS; +} + +int driver_stop_thread(sa_stream_t *s) { + oss_stream_t *oss = OSS_STREAM(s); + sa_return_val_if_fail(oss->thread, SA_ERROR_STATE); + sa_return_val_if_fail(oss->thread != sa_thread_self(), SA_ERROR_STATE); + + if (oss->socket_fds[0] >= 0) + close(oss->socket_fds[0]); + + if (oss->socket_fds[1] >= 0) + close(oss->socket_fds[1]); + + if (oss->thread) + sa_thread_free(oss->thread); + + oss->thread = NULL; + oss->socket_fds[0] = oss->socket_fds[1] = -1; + + return SA_SUCCESS; +} + +int driver_change_read_volume(sa_stream_t *s, const int32_t vol[]) { + oss_stream_t *oss = OSS_STREAM(s); + + sa_return_val_if_fail(!s->codec, SA_ERROR_NOT_SUPPORTED); + + sa_converter_set_volume(&oss->converter_read, vol); + + return SA_SUCCESS; +} + +int driver_change_write_volume(sa_stream_t *s, const int32_t vol[]) { + oss_stream_t *oss = OSS_STREAM(s); + + sa_return_val_if_fail(!s->codec, SA_ERROR_NOT_SUPPORTED); + + sa_converter_set_volume(&oss->converter_write, vol); + + return SA_SUCCESS; +} + +int driver_change_rate(sa_stream_t *s, unsigned rate) { + oss_stream_t *oss = OSS_STREAM(s); + + if (s->mode & SA_MODE_RDONLY) + sa_converter_set_ratio(&oss->converter_read, oss->real_pcm_attrs.rate, s->pcm_attrs.rate); + if (s->mode & SA_MODE_WRONLY) + sa_converter_set_ratio(&oss->converter_write, s->pcm_attrs.rate, oss->real_pcm_attrs.rate); + + return SA_SUCCESS; +} + +int driver_get_state(sa_stream_t *s, sa_state_t *state) { + *state = s->state; + return SA_SUCCESS; +} + +int driver_get_position(sa_stream_t *s, sa_position_t position, int64_t *pos) { + return SA_ERROR_NOT_SUPPORTED; +} + +int driver_read(sa_stream_t *s, void *data, size_t nbytes) { + return SA_ERROR_NOT_SUPPORTED; +} + +int driver_pwrite(sa_stream_t *s, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence) { + oss_stream_t *oss = OSS_STREAM(s); + int ret, ret2; + + if ((ret = sa_bufferq_push(&oss->bufferq, 0, data, nbytes, offset, whence, SA_BUFFERQ_ITEM_STATIC))) + return ret; + + ret = feed(s); + ret2 = sa_bufferq_realloc(&oss->bufferq); + + return ret ? ret : ret2; +} + +int driver_read_ni(sa_stream_t *s, unsigned channel, void *data, size_t nbytes) { + return SA_ERROR_NOT_SUPPORTED; +} + +int driver_pwrite_ni(sa_stream_t *s, unsigned channel, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence) { + return SA_ERROR_NOT_SUPPORTED; +} + +int driver_get_read_size(sa_stream_t *s, size_t *size) { + return SA_ERROR_NOT_SUPPORTED; +} + +int driver_get_write_size(sa_stream_t *s, size_t *size) { + return SA_ERROR_NOT_SUPPORTED; +} + +int driver_resume(sa_stream_t *s) { + return SA_ERROR_NOT_SUPPORTED; +} + +int driver_pause(sa_stream_t *s) { + return SA_ERROR_NOT_SUPPORTED; +} + +int driver_drain(sa_stream_t *s) { + oss_stream_t *oss = OSS_STREAM(s); + sa_return_val_if_fail(!oss->thread, SA_ERROR_STATE); + + if (ioctl(oss->fd, SNDCTL_DSP_SYNC, NULL) < 0) + return SA_ERROR_SYSTEM; + + return SA_SUCCESS; +} + +/* Unsupported operations */ + +int driver_change_device(sa_stream_t *s, const char *device) { + return SA_ERROR_NOT_SUPPORTED; +} + +int driver_change_meta_data(sa_stream_t *s, const char *name, const void *data, size_t size) { + return SA_ERROR_NOT_SUPPORTED; +} diff --git a/src/resample.c b/src/resample.c new file mode 100644 index 0000000..23c63a5 --- /dev/null +++ b/src/resample.c @@ -0,0 +1,42 @@ +#include "macro.h" +#include "resample.h" + +static void resample_s16(SpeexResamplerState *speex, unsigned channel, void *dst, size_t dstr, const void *src, size_t sstr, size_t in_bytes, size_t *out_bytes) { + + spx_uint32_t in_samples = in_bytes/sizeof(int16_t), out_samples = *out_bytes/sizeof(int16_t); + + speex_resampler_set_input_stride(speex, sstr/sizeof(int16_t)); + speex_resampler_set_input_stride(speex, dstr/sizeof(int16_t)); + + speex_resampler_process_int(speex, channel, src, &in_samples, dst, &out_samples); + + sa_assert(in_samples == in_bytes/sizeof(int16_t)); + + *out_bytes = out_samples * sizeof(int16_t); +} + +static void resample_f32(SpeexResamplerState *speex, unsigned channel, void *dst, size_t dstr, const void *src, size_t sstr, size_t in_bytes, size_t *out_bytes) { + + spx_uint32_t in_samples = in_bytes/sizeof(float), out_samples = *out_bytes/sizeof(float); + + speex_resampler_set_input_stride(speex, sstr/sizeof(float)); + speex_resampler_set_input_stride(speex, dstr/sizeof(float)); + + speex_resampler_process_float(speex, channel, src, &in_samples, dst, &out_samples); + + sa_assert(in_samples == in_bytes/sizeof(float)); + + *out_bytes = out_samples * sizeof(float); +} + +sa_resample_func_t sa_get_resample_func(sa_pcm_format_t f) { + + static const sa_resample_func_t funcs[_SA_PCM_FORMAT_MAX] = { + [SA_PCM_FORMAT_S16_NE] = resample_s16, + [SA_PCM_FORMAT_FLOAT32_NE] = resample_f32 + }; + + sa_assert(f < _SA_PCM_FORMAT_MAX); + + return funcs[f]; +} diff --git a/src/resample.h b/src/resample.h new file mode 100644 index 0000000..7734f86 --- /dev/null +++ b/src/resample.h @@ -0,0 +1,14 @@ +#ifndef foosydneyresamplehfoo +#define foosydneyresamplehfoo + +#include +#include + +#include "sydney.h" +#include "speex/speex_resampler.h" + +typedef void (*sa_resample_func_t) (SpeexResamplerState *speex, unsigned channel, void *dst, size_t dstr, const void *src, size_t sstr, size_t in_bytes, size_t *out_bytes); + +sa_resample_func_t sa_get_resample_func(sa_pcm_format_t f); + +#endif diff --git a/src/speex/arch.h b/src/speex/arch.h new file mode 100644 index 0000000..e2d731a --- /dev/null +++ b/src/speex/arch.h @@ -0,0 +1,197 @@ +/* Copyright (C) 2003 Jean-Marc Valin */ +/** + @file arch.h + @brief Various architecture definitions Speex +*/ +/* + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + - Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + - Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + - Neither the name of the Xiph.org Foundation nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#ifndef ARCH_H +#define ARCH_H + +#ifndef OUTSIDE_SPEEX +#include "speex/speex_types.h" +#endif + +#define ABS(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute integer value. */ +#define ABS16(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 16-bit value. */ +#define MIN16(a,b) ((a) < (b) ? (a) : (b)) /**< Maximum 16-bit value. */ +#define MAX16(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 16-bit value. */ +#define ABS32(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 32-bit value. */ +#define MIN32(a,b) ((a) < (b) ? (a) : (b)) /**< Maximum 32-bit value. */ +#define MAX32(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 32-bit value. */ + +#ifdef FIXED_POINT + +typedef spx_int16_t spx_word16_t; +typedef spx_int32_t spx_word32_t; +typedef spx_word32_t spx_mem_t; +typedef spx_word16_t spx_coef_t; +typedef spx_word16_t spx_lsp_t; +typedef spx_word32_t spx_sig_t; + +#define Q15ONE 32767 + +#define LPC_SCALING 8192 +#define SIG_SCALING 16384 +#define LSP_SCALING 8192. +#define GAMMA_SCALING 32768. +#define GAIN_SCALING 64 +#define GAIN_SCALING_1 0.015625 + +#define LPC_SHIFT 13 +#define LSP_SHIFT 13 +#define SIG_SHIFT 14 + +#define VERY_SMALL 0 +#define VERY_LARGE32 ((spx_word32_t)2147483647) +#define VERY_LARGE16 ((spx_word16_t)32767) +#define Q15_ONE ((spx_word16_t)32767) + + +#ifdef FIXED_DEBUG +#include "fixed_debug.h" +#else + +#include "fixed_generic.h" + +#ifdef ARM5E_ASM +#include "fixed_arm5e.h" +#elif defined (ARM4_ASM) +#include "fixed_arm4.h" +#elif defined (ARM5E_ASM) +#include "fixed_arm5e.h" +#elif defined (BFIN_ASM) +#include "fixed_bfin.h" +#endif + +#endif + + +#else + +typedef float spx_mem_t; +typedef float spx_coef_t; +typedef float spx_lsp_t; +typedef float spx_sig_t; +typedef float spx_word16_t; +typedef float spx_word32_t; + +#define Q15ONE 1.0f +#define LPC_SCALING 1.f +#define SIG_SCALING 1.f +#define LSP_SCALING 1.f +#define GAMMA_SCALING 1.f +#define GAIN_SCALING 1.f +#define GAIN_SCALING_1 1.f + +#define LPC_SHIFT 0 +#define LSP_SHIFT 0 +#define SIG_SHIFT 0 + +#define VERY_SMALL 1e-15f +#define VERY_LARGE32 1e15f +#define VERY_LARGE16 1e15f +#define Q15_ONE ((spx_word16_t)1.f) + +#define QCONST16(x,bits) (x) +#define QCONST32(x,bits) (x) + +#define NEG16(x) (-(x)) +#define NEG32(x) (-(x)) +#define EXTRACT16(x) (x) +#define EXTEND32(x) (x) +#define SHR16(a,shift) (a) +#define SHL16(a,shift) (a) +#define SHR32(a,shift) (a) +#define SHL32(a,shift) (a) +#define PSHR16(a,shift) (a) +#define PSHR32(a,shift) (a) +#define VSHR32(a,shift) (a) +#define SATURATE16(x,a) (x) +#define SATURATE32(x,a) (x) + +#define PSHR(a,shift) (a) +#define SHR(a,shift) (a) +#define SHL(a,shift) (a) +#define SATURATE(x,a) (x) + +#define ADD16(a,b) ((a)+(b)) +#define SUB16(a,b) ((a)-(b)) +#define ADD32(a,b) ((a)+(b)) +#define SUB32(a,b) ((a)-(b)) +#define MULT16_16_16(a,b) ((a)*(b)) +#define MULT16_16(a,b) ((spx_word32_t)(a)*(spx_word32_t)(b)) +#define MAC16_16(c,a,b) ((c)+(spx_word32_t)(a)*(spx_word32_t)(b)) + +#define MULT16_32_Q11(a,b) ((a)*(b)) +#define MULT16_32_Q13(a,b) ((a)*(b)) +#define MULT16_32_Q14(a,b) ((a)*(b)) +#define MULT16_32_Q15(a,b) ((a)*(b)) +#define MULT16_32_P15(a,b) ((a)*(b)) + +#define MAC16_32_Q11(c,a,b) ((c)+(a)*(b)) +#define MAC16_32_Q15(c,a,b) ((c)+(a)*(b)) + +#define MAC16_16_Q11(c,a,b) ((c)+(a)*(b)) +#define MAC16_16_Q13(c,a,b) ((c)+(a)*(b)) +#define MAC16_16_P13(c,a,b) ((c)+(a)*(b)) +#define MULT16_16_Q11_32(a,b) ((a)*(b)) +#define MULT16_16_Q13(a,b) ((a)*(b)) +#define MULT16_16_Q14(a,b) ((a)*(b)) +#define MULT16_16_Q15(a,b) ((a)*(b)) +#define MULT16_16_P15(a,b) ((a)*(b)) +#define MULT16_16_P13(a,b) ((a)*(b)) +#define MULT16_16_P14(a,b) ((a)*(b)) + +#define DIV32_16(a,b) (((spx_word32_t)(a))/(spx_word16_t)(b)) +#define PDIV32_16(a,b) (((spx_word32_t)(a))/(spx_word16_t)(b)) +#define DIV32(a,b) (((spx_word32_t)(a))/(spx_word32_t)(b)) +#define PDIV32(a,b) (((spx_word32_t)(a))/(spx_word32_t)(b)) + + +#endif + + +#if defined (CONFIG_TI_C54X) || defined (CONFIG_TI_C55X) + +/* 2 on TI C5x DSP */ +#define BYTES_PER_CHAR 2 +#define BITS_PER_CHAR 16 +#define LOG2_BITS_PER_CHAR 4 + +#else + +#define BYTES_PER_CHAR 1 +#define BITS_PER_CHAR 8 +#define LOG2_BITS_PER_CHAR 3 + +#endif + +#endif diff --git a/src/speex/resample.c b/src/speex/resample.c new file mode 100644 index 0000000..1cc4d49 --- /dev/null +++ b/src/speex/resample.c @@ -0,0 +1,1114 @@ +/* Copyright (C) 2007 Jean-Marc Valin + + File: resample.c + Arbitrary resampling code + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are + met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + 3. The name of the author may not be used to endorse or promote products + derived from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +/* + The design goals of this code are: + - Very fast algorithm + - SIMD-friendly algorithm + - Low memory requirement + - Good *perceptual* quality (and not best SNR) + + The code is working, but it's in a very early stage, so it may have + artifacts, noise or subliminal messages from satan. Also, the API + isn't stable and I can actually promise that I *will* change the API + some time in the future. + +TODO list: + - Variable calculation resolution depending on quality setting + - Single vs double in float mode + - 16-bit vs 32-bit (sinc only) in fixed-point mode + - Make sure the filter update works even when changing params + after only a few samples procesed +*/ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#ifdef OUTSIDE_SPEEX +#include +static void *speex_alloc (int size) {return calloc(size,1);} +static void *speex_realloc (void *ptr, int size) {return realloc(ptr, size);} +static void speex_free (void *ptr) {free(ptr);} +#include "speex_resampler.h" +#include "arch.h" +#else /* OUTSIDE_SPEEX */ + +#include "speex/speex_resampler.h" +#include "misc.h" +#endif /* OUTSIDE_SPEEX */ + +#include + +#ifndef M_PI +#define M_PI 3.14159263 +#endif + +#ifdef FIXED_POINT +#define WORD2INT(x) ((x) < -32767 ? -32768 : ((x) > 32766 ? 32767 : (x))) +#else +#define WORD2INT(x) ((x) < -32767.5f ? -32768 : ((x) > 32766.5f ? 32767 : floor(.5+(x)))) +#endif + +/*#define float double*/ +#define FILTER_SIZE 64 +#define OVERSAMPLE 8 + +#define IMAX(a,b) ((a) > (b) ? (a) : (b)) +#define IMIN(a,b) ((a) < (b) ? (a) : (b)) + +#ifndef NULL +#define NULL 0 +#endif + +typedef int (*resampler_basic_func)(SpeexResamplerState *, spx_uint32_t , const spx_word16_t *, spx_uint32_t *, spx_word16_t *, spx_uint32_t *); + +struct SpeexResamplerState_ { + spx_uint32_t in_rate; + spx_uint32_t out_rate; + spx_uint32_t num_rate; + spx_uint32_t den_rate; + + int quality; + spx_uint32_t nb_channels; + spx_uint32_t filt_len; + spx_uint32_t mem_alloc_size; + int int_advance; + int frac_advance; + float cutoff; + spx_uint32_t oversample; + int initialised; + int started; + + /* These are per-channel */ + spx_int32_t *last_sample; + spx_uint32_t *samp_frac_num; + spx_uint32_t *magic_samples; + + spx_word16_t *mem; + spx_word16_t *sinc_table; + spx_uint32_t sinc_table_length; + resampler_basic_func resampler_ptr; + + int in_stride; + int out_stride; +} ; + +static double kaiser12_table[68] = { + 0.99859849, 1.00000000, 0.99859849, 0.99440475, 0.98745105, 0.97779076, + 0.96549770, 0.95066529, 0.93340547, 0.91384741, 0.89213598, 0.86843014, + 0.84290116, 0.81573067, 0.78710866, 0.75723148, 0.72629970, 0.69451601, + 0.66208321, 0.62920216, 0.59606986, 0.56287762, 0.52980938, 0.49704014, + 0.46473455, 0.43304576, 0.40211431, 0.37206735, 0.34301800, 0.31506490, + 0.28829195, 0.26276832, 0.23854851, 0.21567274, 0.19416736, 0.17404546, + 0.15530766, 0.13794294, 0.12192957, 0.10723616, 0.09382272, 0.08164178, + 0.07063950, 0.06075685, 0.05193064, 0.04409466, 0.03718069, 0.03111947, + 0.02584161, 0.02127838, 0.01736250, 0.01402878, 0.01121463, 0.00886058, + 0.00691064, 0.00531256, 0.00401805, 0.00298291, 0.00216702, 0.00153438, + 0.00105297, 0.00069463, 0.00043489, 0.00025272, 0.00013031, 0.0000527734, + 0.00001000, 0.00000000}; +/* +static double kaiser12_table[36] = { + 0.99440475, 1.00000000, 0.99440475, 0.97779076, 0.95066529, 0.91384741, + 0.86843014, 0.81573067, 0.75723148, 0.69451601, 0.62920216, 0.56287762, + 0.49704014, 0.43304576, 0.37206735, 0.31506490, 0.26276832, 0.21567274, + 0.17404546, 0.13794294, 0.10723616, 0.08164178, 0.06075685, 0.04409466, + 0.03111947, 0.02127838, 0.01402878, 0.00886058, 0.00531256, 0.00298291, + 0.00153438, 0.00069463, 0.00025272, 0.0000527734, 0.00000500, 0.00000000}; +*/ +static double kaiser10_table[36] = { + 0.99537781, 1.00000000, 0.99537781, 0.98162644, 0.95908712, 0.92831446, + 0.89005583, 0.84522401, 0.79486424, 0.74011713, 0.68217934, 0.62226347, + 0.56155915, 0.50119680, 0.44221549, 0.38553619, 0.33194107, 0.28205962, + 0.23636152, 0.19515633, 0.15859932, 0.12670280, 0.09935205, 0.07632451, + 0.05731132, 0.04193980, 0.02979584, 0.02044510, 0.01345224, 0.00839739, + 0.00488951, 0.00257636, 0.00115101, 0.00035515, 0.00000000, 0.00000000}; + +static double kaiser8_table[36] = { + 0.99635258, 1.00000000, 0.99635258, 0.98548012, 0.96759014, 0.94302200, + 0.91223751, 0.87580811, 0.83439927, 0.78875245, 0.73966538, 0.68797126, + 0.63451750, 0.58014482, 0.52566725, 0.47185369, 0.41941150, 0.36897272, + 0.32108304, 0.27619388, 0.23465776, 0.19672670, 0.16255380, 0.13219758, + 0.10562887, 0.08273982, 0.06335451, 0.04724088, 0.03412321, 0.02369490, + 0.01563093, 0.00959968, 0.00527363, 0.00233883, 0.00050000, 0.00000000}; + +static double kaiser6_table[36] = { + 0.99733006, 1.00000000, 0.99733006, 0.98935595, 0.97618418, 0.95799003, + 0.93501423, 0.90755855, 0.87598009, 0.84068475, 0.80211977, 0.76076565, + 0.71712752, 0.67172623, 0.62508937, 0.57774224, 0.53019925, 0.48295561, + 0.43647969, 0.39120616, 0.34752997, 0.30580127, 0.26632152, 0.22934058, + 0.19505503, 0.16360756, 0.13508755, 0.10953262, 0.08693120, 0.06722600, + 0.05031820, 0.03607231, 0.02432151, 0.01487334, 0.00752000, 0.00000000}; + +struct FuncDef { + double *table; + int oversample; +}; + +static struct FuncDef _KAISER12 = {kaiser12_table, 64}; +#define KAISER12 (&_KAISER12) +/*static struct FuncDef _KAISER12 = {kaiser12_table, 32}; +#define KAISER12 (&_KAISER12)*/ +static struct FuncDef _KAISER10 = {kaiser10_table, 32}; +#define KAISER10 (&_KAISER10) +static struct FuncDef _KAISER8 = {kaiser8_table, 32}; +#define KAISER8 (&_KAISER8) +static struct FuncDef _KAISER6 = {kaiser6_table, 32}; +#define KAISER6 (&_KAISER6) + +struct QualityMapping { + int base_length; + int oversample; + float downsample_bandwidth; + float upsample_bandwidth; + struct FuncDef *window_func; +}; + + +/* This table maps conversion quality to internal parameters. There are two + reasons that explain why the up-sampling bandwidth is larger than the + down-sampling bandwidth: + 1) When up-sampling, we can assume that the spectrum is already attenuated + close to the Nyquist rate (from an A/D or a previous resampling filter) + 2) Any aliasing that occurs very close to the Nyquist rate will be masked + by the sinusoids/noise just below the Nyquist rate (guaranteed only for + up-sampling). +*/ +static const struct QualityMapping quality_map[11] = { + { 8, 4, 0.830f, 0.860f, KAISER6 }, /* Q0 */ + { 16, 4, 0.850f, 0.880f, KAISER6 }, /* Q1 */ + { 32, 4, 0.882f, 0.910f, KAISER6 }, /* Q2 */ /* 82.3% cutoff ( ~60 dB stop) 6 */ + { 48, 8, 0.895f, 0.917f, KAISER8 }, /* Q3 */ /* 84.9% cutoff ( ~80 dB stop) 8 */ + { 64, 8, 0.921f, 0.940f, KAISER8 }, /* Q4 */ /* 88.7% cutoff ( ~80 dB stop) 8 */ + { 80, 16, 0.922f, 0.940f, KAISER10}, /* Q5 */ /* 89.1% cutoff (~100 dB stop) 10 */ + { 96, 16, 0.940f, 0.945f, KAISER10}, /* Q6 */ /* 91.5% cutoff (~100 dB stop) 10 */ + {128, 16, 0.950f, 0.950f, KAISER10}, /* Q7 */ /* 93.1% cutoff (~100 dB stop) 10 */ + {160, 16, 0.960f, 0.960f, KAISER10}, /* Q8 */ /* 94.5% cutoff (~100 dB stop) 10 */ + {192, 32, 0.968f, 0.968f, KAISER12}, /* Q9 */ /* 95.5% cutoff (~100 dB stop) 10 */ + {256, 32, 0.975f, 0.975f, KAISER12}, /* Q10 */ /* 96.6% cutoff (~100 dB stop) 10 */ +}; +/*8,24,40,56,80,104,128,160,200,256,320*/ +static double compute_func(float x, struct FuncDef *func) +{ + float y, frac; + double interp[4]; + int ind; + y = x*func->oversample; + ind = (int)floor(y); + frac = (y-ind); + /* CSE with handle the repeated powers */ + interp[3] = -0.1666666667*frac + 0.1666666667*(frac*frac*frac); + interp[2] = frac + 0.5*(frac*frac) - 0.5*(frac*frac*frac); + /*interp[2] = 1.f - 0.5f*frac - frac*frac + 0.5f*frac*frac*frac;*/ + interp[0] = -0.3333333333*frac + 0.5*(frac*frac) - 0.1666666667*(frac*frac*frac); + /* Just to make sure we don't have rounding problems */ + interp[1] = 1.f-interp[3]-interp[2]-interp[0]; + + /*sum = frac*accum[1] + (1-frac)*accum[2];*/ + return interp[0]*func->table[ind] + interp[1]*func->table[ind+1] + interp[2]*func->table[ind+2] + interp[3]*func->table[ind+3]; +} + +#if 0 +#include +int main(int argc, char **argv) +{ + int i; + for (i=0;i<256;i++) + { + printf ("%f\n", compute_func(i/256., KAISER12)); + } + return 0; +} +#endif + +#ifdef FIXED_POINT +/* The slow way of computing a sinc for the table. Should improve that some day */ +static spx_word16_t sinc(float cutoff, float x, int N, struct FuncDef *window_func) +{ + /*fprintf (stderr, "%f ", x);*/ + float xx = x * cutoff; + if (fabs(x)<1e-6f) + return WORD2INT(32768.*cutoff); + else if (fabs(x) > .5f*N) + return 0; + /*FIXME: Can it really be any slower than this? */ + return WORD2INT(32768.*cutoff*sin(M_PI*xx)/(M_PI*xx) * compute_func(fabs(2.*x/N), window_func)); +} +#else +/* The slow way of computing a sinc for the table. Should improve that some day */ +static spx_word16_t sinc(float cutoff, float x, int N, struct FuncDef *window_func) +{ + /*fprintf (stderr, "%f ", x);*/ + float xx = x * cutoff; + if (fabs(x)<1e-6) + return cutoff; + else if (fabs(x) > .5*N) + return 0; + /*FIXME: Can it really be any slower than this? */ + return cutoff*sin(M_PI*xx)/(M_PI*xx) * compute_func(fabs(2.*x/N), window_func); +} +#endif + +#ifdef FIXED_POINT +static void cubic_coef(spx_word16_t x, spx_word16_t interp[4]) +{ + /* Compute interpolation coefficients. I'm not sure whether this corresponds to cubic interpolation + but I know it's MMSE-optimal on a sinc */ + spx_word16_t x2, x3; + x2 = MULT16_16_P15(x, x); + x3 = MULT16_16_P15(x, x2); + interp[0] = PSHR32(MULT16_16(QCONST16(-0.16667f, 15),x) + MULT16_16(QCONST16(0.16667f, 15),x3),15); + interp[1] = EXTRACT16(EXTEND32(x) + SHR32(SUB32(EXTEND32(x2),EXTEND32(x3)),1)); + interp[3] = PSHR32(MULT16_16(QCONST16(-0.33333f, 15),x) + MULT16_16(QCONST16(.5f,15),x2) - MULT16_16(QCONST16(0.16667f, 15),x3),15); + /* Just to make sure we don't have rounding problems */ + interp[2] = Q15_ONE-interp[0]-interp[1]-interp[3]; + if (interp[2]<32767) + interp[2]+=1; +} +#else +static void cubic_coef(spx_word16_t frac, spx_word16_t interp[4]) +{ + /* Compute interpolation coefficients. I'm not sure whether this corresponds to cubic interpolation + but I know it's MMSE-optimal on a sinc */ + interp[0] = -0.16667f*frac + 0.16667f*frac*frac*frac; + interp[1] = frac + 0.5f*frac*frac - 0.5f*frac*frac*frac; + /*interp[2] = 1.f - 0.5f*frac - frac*frac + 0.5f*frac*frac*frac;*/ + interp[3] = -0.33333f*frac + 0.5f*frac*frac - 0.16667f*frac*frac*frac; + /* Just to make sure we don't have rounding problems */ + interp[2] = 1.-interp[0]-interp[1]-interp[3]; +} +#endif + +static int resampler_basic_direct_single(SpeexResamplerState *st, spx_uint32_t channel_index, const spx_word16_t *in, spx_uint32_t *in_len, spx_word16_t *out, spx_uint32_t *out_len) +{ + int N = st->filt_len; + int out_sample = 0; + spx_word16_t *mem; + int last_sample = st->last_sample[channel_index]; + spx_uint32_t samp_frac_num = st->samp_frac_num[channel_index]; + mem = st->mem + channel_index * st->mem_alloc_size; + while (!(last_sample >= (spx_int32_t)*in_len || out_sample >= (spx_int32_t)*out_len)) + { + int j; + spx_word32_t sum=0; + + /* We already have all the filter coefficients pre-computed in the table */ + const spx_word16_t *ptr; + /* Do the memory part */ + for (j=0;last_sample-N+1+j < 0;j++) + { + sum += MULT16_16(mem[last_sample+j],st->sinc_table[samp_frac_num*st->filt_len+j]); + } + + /* Do the new part */ + ptr = in+st->in_stride*(last_sample-N+1+j); + for (;jsinc_table[samp_frac_num*st->filt_len+j]); + ptr += st->in_stride; + } + + *out = PSHR32(sum,15); + out += st->out_stride; + out_sample++; + last_sample += st->int_advance; + samp_frac_num += st->frac_advance; + if (samp_frac_num >= st->den_rate) + { + samp_frac_num -= st->den_rate; + last_sample++; + } + } + st->last_sample[channel_index] = last_sample; + st->samp_frac_num[channel_index] = samp_frac_num; + return out_sample; +} + +#ifdef FIXED_POINT +#else +/* This is the same as the previous function, except with a double-precision accumulator */ +static int resampler_basic_direct_double(SpeexResamplerState *st, spx_uint32_t channel_index, const spx_word16_t *in, spx_uint32_t *in_len, spx_word16_t *out, spx_uint32_t *out_len) +{ + int N = st->filt_len; + int out_sample = 0; + spx_word16_t *mem; + int last_sample = st->last_sample[channel_index]; + spx_uint32_t samp_frac_num = st->samp_frac_num[channel_index]; + mem = st->mem + channel_index * st->mem_alloc_size; + while (!(last_sample >= (spx_int32_t)*in_len || out_sample >= (spx_int32_t)*out_len)) + { + int j; + double sum=0; + + /* We already have all the filter coefficients pre-computed in the table */ + const spx_word16_t *ptr; + /* Do the memory part */ + for (j=0;last_sample-N+1+j < 0;j++) + { + sum += MULT16_16(mem[last_sample+j],(double)st->sinc_table[samp_frac_num*st->filt_len+j]); + } + + /* Do the new part */ + ptr = in+st->in_stride*(last_sample-N+1+j); + for (;jsinc_table[samp_frac_num*st->filt_len+j]); + ptr += st->in_stride; + } + + *out = sum; + out += st->out_stride; + out_sample++; + last_sample += st->int_advance; + samp_frac_num += st->frac_advance; + if (samp_frac_num >= st->den_rate) + { + samp_frac_num -= st->den_rate; + last_sample++; + } + } + st->last_sample[channel_index] = last_sample; + st->samp_frac_num[channel_index] = samp_frac_num; + return out_sample; +} +#endif + +static int resampler_basic_interpolate_single(SpeexResamplerState *st, spx_uint32_t channel_index, const spx_word16_t *in, spx_uint32_t *in_len, spx_word16_t *out, spx_uint32_t *out_len) +{ + int N = st->filt_len; + int out_sample = 0; + spx_word16_t *mem; + int last_sample = st->last_sample[channel_index]; + spx_uint32_t samp_frac_num = st->samp_frac_num[channel_index]; + mem = st->mem + channel_index * st->mem_alloc_size; + while (!(last_sample >= (spx_int32_t)*in_len || out_sample >= (spx_int32_t)*out_len)) + { + int j; + spx_word32_t sum=0; + + /* We need to interpolate the sinc filter */ + spx_word32_t accum[4] = {0.f,0.f, 0.f, 0.f}; + spx_word16_t interp[4]; + const spx_word16_t *ptr; + int offset; + spx_word16_t frac; + offset = samp_frac_num*st->oversample/st->den_rate; +#ifdef FIXED_POINT + frac = PDIV32(SHL32((samp_frac_num*st->oversample) % st->den_rate,15),st->den_rate); +#else + frac = ((float)((samp_frac_num*st->oversample) % st->den_rate))/st->den_rate; +#endif + /* This code is written like this to make it easy to optimise with SIMD. + For most DSPs, it would be best to split the loops in two because most DSPs + have only two accumulators */ + for (j=0;last_sample-N+1+j < 0;j++) + { + spx_word16_t curr_mem = mem[last_sample+j]; + accum[0] += MULT16_16(curr_mem,st->sinc_table[4+(j+1)*st->oversample-offset-2]); + accum[1] += MULT16_16(curr_mem,st->sinc_table[4+(j+1)*st->oversample-offset-1]); + accum[2] += MULT16_16(curr_mem,st->sinc_table[4+(j+1)*st->oversample-offset]); + accum[3] += MULT16_16(curr_mem,st->sinc_table[4+(j+1)*st->oversample-offset+1]); + } + ptr = in+st->in_stride*(last_sample-N+1+j); + /* Do the new part */ + for (;jin_stride; + accum[0] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset-2]); + accum[1] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset-1]); + accum[2] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset]); + accum[3] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset+1]); + } + cubic_coef(frac, interp); + sum = MULT16_32_Q15(interp[0],accum[0]) + MULT16_32_Q15(interp[1],accum[1]) + MULT16_32_Q15(interp[2],accum[2]) + MULT16_32_Q15(interp[3],accum[3]); + + *out = PSHR32(sum,15); + out += st->out_stride; + out_sample++; + last_sample += st->int_advance; + samp_frac_num += st->frac_advance; + if (samp_frac_num >= st->den_rate) + { + samp_frac_num -= st->den_rate; + last_sample++; + } + } + st->last_sample[channel_index] = last_sample; + st->samp_frac_num[channel_index] = samp_frac_num; + return out_sample; +} + +#ifdef FIXED_POINT +#else +/* This is the same as the previous function, except with a double-precision accumulator */ +static int resampler_basic_interpolate_double(SpeexResamplerState *st, spx_uint32_t channel_index, const spx_word16_t *in, spx_uint32_t *in_len, spx_word16_t *out, spx_uint32_t *out_len) +{ + int N = st->filt_len; + int out_sample = 0; + spx_word16_t *mem; + int last_sample = st->last_sample[channel_index]; + spx_uint32_t samp_frac_num = st->samp_frac_num[channel_index]; + mem = st->mem + channel_index * st->mem_alloc_size; + while (!(last_sample >= (spx_int32_t)*in_len || out_sample >= (spx_int32_t)*out_len)) + { + int j; + spx_word32_t sum=0; + + /* We need to interpolate the sinc filter */ + double accum[4] = {0.f,0.f, 0.f, 0.f}; + float interp[4]; + const spx_word16_t *ptr; + float alpha = ((float)samp_frac_num)/st->den_rate; + int offset = samp_frac_num*st->oversample/st->den_rate; + float frac = alpha*st->oversample - offset; + /* This code is written like this to make it easy to optimise with SIMD. + For most DSPs, it would be best to split the loops in two because most DSPs + have only two accumulators */ + for (j=0;last_sample-N+1+j < 0;j++) + { + double curr_mem = mem[last_sample+j]; + accum[0] += MULT16_16(curr_mem,st->sinc_table[4+(j+1)*st->oversample-offset-2]); + accum[1] += MULT16_16(curr_mem,st->sinc_table[4+(j+1)*st->oversample-offset-1]); + accum[2] += MULT16_16(curr_mem,st->sinc_table[4+(j+1)*st->oversample-offset]); + accum[3] += MULT16_16(curr_mem,st->sinc_table[4+(j+1)*st->oversample-offset+1]); + } + ptr = in+st->in_stride*(last_sample-N+1+j); + /* Do the new part */ + for (;jin_stride; + accum[0] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset-2]); + accum[1] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset-1]); + accum[2] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset]); + accum[3] += MULT16_16(curr_in,st->sinc_table[4+(j+1)*st->oversample-offset+1]); + } + cubic_coef(frac, interp); + sum = interp[0]*accum[0] + interp[1]*accum[1] + interp[2]*accum[2] + interp[3]*accum[3]; + + *out = PSHR32(sum,15); + out += st->out_stride; + out_sample++; + last_sample += st->int_advance; + samp_frac_num += st->frac_advance; + if (samp_frac_num >= st->den_rate) + { + samp_frac_num -= st->den_rate; + last_sample++; + } + } + st->last_sample[channel_index] = last_sample; + st->samp_frac_num[channel_index] = samp_frac_num; + return out_sample; +} +#endif + +static void update_filter(SpeexResamplerState *st) +{ + spx_uint32_t old_length; + + old_length = st->filt_len; + st->oversample = quality_map[st->quality].oversample; + st->filt_len = quality_map[st->quality].base_length; + + if (st->num_rate > st->den_rate) + { + /* down-sampling */ + st->cutoff = quality_map[st->quality].downsample_bandwidth * st->den_rate / st->num_rate; + /* FIXME: divide the numerator and denominator by a certain amount if they're too large */ + st->filt_len = st->filt_len*st->num_rate / st->den_rate; + /* Round down to make sure we have a multiple of 4 */ + st->filt_len &= (~0x3); + if (2*st->den_rate < st->num_rate) + st->oversample >>= 1; + if (4*st->den_rate < st->num_rate) + st->oversample >>= 1; + if (8*st->den_rate < st->num_rate) + st->oversample >>= 1; + if (16*st->den_rate < st->num_rate) + st->oversample >>= 1; + if (st->oversample < 1) + st->oversample = 1; + } else { + /* up-sampling */ + st->cutoff = quality_map[st->quality].upsample_bandwidth; + } + + /* Choose the resampling type that requires the least amount of memory */ + if (st->den_rate <= st->oversample) + { + spx_uint32_t i; + if (!st->sinc_table) + st->sinc_table = (spx_word16_t *)speex_alloc(st->filt_len*st->den_rate*sizeof(spx_word16_t)); + else if (st->sinc_table_length < st->filt_len*st->den_rate) + { + st->sinc_table = (spx_word16_t *)speex_realloc(st->sinc_table,st->filt_len*st->den_rate*sizeof(spx_word16_t)); + st->sinc_table_length = st->filt_len*st->den_rate; + } + for (i=0;iden_rate;i++) + { + spx_int32_t j; + for (j=0;jfilt_len;j++) + { + st->sinc_table[i*st->filt_len+j] = sinc(st->cutoff,((j-(spx_int32_t)st->filt_len/2+1)-((float)i)/st->den_rate), st->filt_len, quality_map[st->quality].window_func); + } + } +#ifdef FIXED_POINT + st->resampler_ptr = resampler_basic_direct_single; +#else + if (st->quality>8) + st->resampler_ptr = resampler_basic_direct_double; + else + st->resampler_ptr = resampler_basic_direct_single; +#endif + /*fprintf (stderr, "resampler uses direct sinc table and normalised cutoff %f\n", cutoff);*/ + } else { + spx_int32_t i; + if (!st->sinc_table) + st->sinc_table = (spx_word16_t *)speex_alloc((st->filt_len*st->oversample+8)*sizeof(spx_word16_t)); + else if (st->sinc_table_length < st->filt_len*st->oversample+8) + { + st->sinc_table = (spx_word16_t *)speex_realloc(st->sinc_table,(st->filt_len*st->oversample+8)*sizeof(spx_word16_t)); + st->sinc_table_length = st->filt_len*st->oversample+8; + } + for (i=-4;i<(spx_int32_t)(st->oversample*st->filt_len+4);i++) + st->sinc_table[i+4] = sinc(st->cutoff,(i/(float)st->oversample - st->filt_len/2), st->filt_len, quality_map[st->quality].window_func); +#ifdef FIXED_POINT + st->resampler_ptr = resampler_basic_interpolate_single; +#else + if (st->quality>8) + st->resampler_ptr = resampler_basic_interpolate_double; + else + st->resampler_ptr = resampler_basic_interpolate_single; +#endif + /*fprintf (stderr, "resampler uses interpolated sinc table and normalised cutoff %f\n", cutoff);*/ + } + st->int_advance = st->num_rate/st->den_rate; + st->frac_advance = st->num_rate%st->den_rate; + + + /* Here's the place where we update the filter memory to take into account + the change in filter length. It's probably the messiest part of the code + due to handling of lots of corner cases. */ + if (!st->mem) + { + spx_uint32_t i; + st->mem = (spx_word16_t*)speex_alloc(st->nb_channels*(st->filt_len-1) * sizeof(spx_word16_t)); + for (i=0;inb_channels*(st->filt_len-1);i++) + st->mem[i] = 0; + st->mem_alloc_size = st->filt_len-1; + /*speex_warning("init filter");*/ + } else if (!st->started) + { + spx_uint32_t i; + st->mem = (spx_word16_t*)speex_realloc(st->mem, st->nb_channels*(st->filt_len-1) * sizeof(spx_word16_t)); + for (i=0;inb_channels*(st->filt_len-1);i++) + st->mem[i] = 0; + st->mem_alloc_size = st->filt_len-1; + /*speex_warning("reinit filter");*/ + } else if (st->filt_len > old_length) + { + spx_int32_t i; + /* Increase the filter length */ + /*speex_warning("increase filter size");*/ + int old_alloc_size = st->mem_alloc_size; + if (st->filt_len-1 > st->mem_alloc_size) + { + st->mem = (spx_word16_t*)speex_realloc(st->mem, st->nb_channels*(st->filt_len-1) * sizeof(spx_word16_t)); + st->mem_alloc_size = st->filt_len-1; + } + for (i=st->nb_channels-1;i>=0;i--) + { + spx_int32_t j; + spx_uint32_t olen = old_length; + /*if (st->magic_samples[i])*/ + { + /* Try and remove the magic samples as if nothing had happened */ + + /* FIXME: This is wrong but for now we need it to avoid going over the array bounds */ + olen = old_length + 2*st->magic_samples[i]; + for (j=old_length-2+st->magic_samples[i];j>=0;j--) + st->mem[i*st->mem_alloc_size+j+st->magic_samples[i]] = st->mem[i*old_alloc_size+j]; + for (j=0;jmagic_samples[i];j++) + st->mem[i*st->mem_alloc_size+j] = 0; + st->magic_samples[i] = 0; + } + if (st->filt_len > olen) + { + /* If the new filter length is still bigger than the "augmented" length */ + /* Copy data going backward */ + for (j=0;jmem[i*st->mem_alloc_size+(st->filt_len-2-j)] = st->mem[i*st->mem_alloc_size+(olen-2-j)]; + /* Then put zeros for lack of anything better */ + for (;jfilt_len-1;j++) + st->mem[i*st->mem_alloc_size+(st->filt_len-2-j)] = 0; + /* Adjust last_sample */ + st->last_sample[i] += (st->filt_len - olen)/2; + } else { + /* Put back some of the magic! */ + st->magic_samples[i] = (olen - st->filt_len)/2; + for (j=0;jfilt_len-1+st->magic_samples[i];j++) + st->mem[i*st->mem_alloc_size+j] = st->mem[i*st->mem_alloc_size+j+st->magic_samples[i]]; + } + } + } else if (st->filt_len < old_length) + { + spx_uint32_t i; + /* Reduce filter length, this a bit tricky. We need to store some of the memory as "magic" + samples so they can be used directly as input the next time(s) */ + for (i=0;inb_channels;i++) + { + spx_uint32_t j; + spx_uint32_t old_magic = st->magic_samples[i]; + st->magic_samples[i] = (old_length - st->filt_len)/2; + /* We must copy some of the memory that's no longer used */ + /* Copy data going backward */ + for (j=0;jfilt_len-1+st->magic_samples[i]+old_magic;j++) + st->mem[i*st->mem_alloc_size+j] = st->mem[i*st->mem_alloc_size+j+st->magic_samples[i]]; + st->magic_samples[i] += old_magic; + } + } + +} + +SpeexResamplerState *speex_resampler_init(spx_uint32_t nb_channels, spx_uint32_t in_rate, spx_uint32_t out_rate, int quality, int *err) +{ + return speex_resampler_init_frac(nb_channels, in_rate, out_rate, in_rate, out_rate, quality, err); +} + +SpeexResamplerState *speex_resampler_init_frac(spx_uint32_t nb_channels, spx_uint32_t ratio_num, spx_uint32_t ratio_den, spx_uint32_t in_rate, spx_uint32_t out_rate, int quality, int *err) +{ + spx_uint32_t i; + SpeexResamplerState *st; + if (quality > 10 || quality < 0) + { + if (err) + *err = RESAMPLER_ERR_INVALID_ARG; + return NULL; + } + st = (SpeexResamplerState *)speex_alloc(sizeof(SpeexResamplerState)); + st->initialised = 0; + st->started = 0; + st->in_rate = 0; + st->out_rate = 0; + st->num_rate = 0; + st->den_rate = 0; + st->quality = -1; + st->sinc_table_length = 0; + st->mem_alloc_size = 0; + st->filt_len = 0; + st->mem = 0; + st->resampler_ptr = 0; + + st->cutoff = 1.f; + st->nb_channels = nb_channels; + st->in_stride = 1; + st->out_stride = 1; + + /* Per channel data */ + st->last_sample = (spx_int32_t*)speex_alloc(nb_channels*sizeof(int)); + st->magic_samples = (spx_uint32_t*)speex_alloc(nb_channels*sizeof(int)); + st->samp_frac_num = (spx_uint32_t*)speex_alloc(nb_channels*sizeof(int)); + for (i=0;ilast_sample[i] = 0; + st->magic_samples[i] = 0; + st->samp_frac_num[i] = 0; + } + + speex_resampler_set_quality(st, quality); + speex_resampler_set_rate_frac(st, ratio_num, ratio_den, in_rate, out_rate); + + + update_filter(st); + + st->initialised = 1; + if (err) + *err = RESAMPLER_ERR_SUCCESS; + + return st; +} + +void speex_resampler_destroy(SpeexResamplerState *st) +{ + speex_free(st->mem); + speex_free(st->sinc_table); + speex_free(st->last_sample); + speex_free(st->magic_samples); + speex_free(st->samp_frac_num); + speex_free(st); +} + + + +static int speex_resampler_process_native(SpeexResamplerState *st, spx_uint32_t channel_index, const spx_word16_t *in, spx_uint32_t *in_len, spx_word16_t *out, spx_uint32_t *out_len) +{ + int j=0; + int N = st->filt_len; + int out_sample = 0; + spx_word16_t *mem; + spx_uint32_t tmp_out_len = 0; + mem = st->mem + channel_index * st->mem_alloc_size; + st->started = 1; + + /* Handle the case where we have samples left from a reduction in filter length */ + if (st->magic_samples[channel_index]) + { + int istride_save; + spx_uint32_t tmp_in_len; + spx_uint32_t tmp_magic; + + istride_save = st->in_stride; + tmp_in_len = st->magic_samples[channel_index]; + tmp_out_len = *out_len; + /* magic_samples needs to be set to zero to avoid infinite recursion */ + tmp_magic = st->magic_samples[channel_index]; + st->magic_samples[channel_index] = 0; + st->in_stride = 1; + speex_resampler_process_native(st, channel_index, mem+N-1, &tmp_in_len, out, &tmp_out_len); + st->in_stride = istride_save; + /*speex_warning_int("extra samples:", tmp_out_len);*/ + /* If we couldn't process all "magic" input samples, save the rest for next time */ + if (tmp_in_len < tmp_magic) + { + spx_uint32_t i; + st->magic_samples[channel_index] = tmp_magic-tmp_in_len; + for (i=0;imagic_samples[channel_index];i++) + mem[N-1+i]=mem[N-1+i+tmp_in_len]; + } + out += tmp_out_len*st->out_stride; + *out_len -= tmp_out_len; + } + + /* Call the right resampler through the function ptr */ + out_sample = st->resampler_ptr(st, channel_index, in, in_len, out, out_len); + + if (st->last_sample[channel_index] < (spx_int32_t)*in_len) + *in_len = st->last_sample[channel_index]; + *out_len = out_sample+tmp_out_len; + st->last_sample[channel_index] -= *in_len; + + for (j=0;jin_stride*(j+*in_len-N+1)]; + + return RESAMPLER_ERR_SUCCESS; +} + +#define FIXED_STACK_ALLOC 1024 + +#ifdef FIXED_POINT +int speex_resampler_process_float(SpeexResamplerState *st, spx_uint32_t channel_index, const float *in, spx_uint32_t *in_len, float *out, spx_uint32_t *out_len) +{ + spx_uint32_t i; + int istride_save, ostride_save; +#ifdef VAR_ARRAYS + spx_word16_t x[*in_len]; + spx_word16_t y[*out_len]; + /*VARDECL(spx_word16_t *x); + VARDECL(spx_word16_t *y); + ALLOC(x, *in_len, spx_word16_t); + ALLOC(y, *out_len, spx_word16_t);*/ + istride_save = st->in_stride; + ostride_save = st->out_stride; + for (i=0;i<*in_len;i++) + x[i] = WORD2INT(in[i*st->in_stride]); + st->in_stride = st->out_stride = 1; + speex_resampler_process_native(st, channel_index, x, in_len, y, out_len); + st->in_stride = istride_save; + st->out_stride = ostride_save; + for (i=0;i<*out_len;i++) + out[i*st->out_stride] = y[i]; +#else + spx_word16_t x[FIXED_STACK_ALLOC]; + spx_word16_t y[FIXED_STACK_ALLOC]; + spx_uint32_t ilen=*in_len, olen=*out_len; + istride_save = st->in_stride; + ostride_save = st->out_stride; + while (ilen && olen) + { + spx_uint32_t ichunk, ochunk; + ichunk = ilen; + ochunk = olen; + if (ichunk>FIXED_STACK_ALLOC) + ichunk=FIXED_STACK_ALLOC; + if (ochunk>FIXED_STACK_ALLOC) + ochunk=FIXED_STACK_ALLOC; + for (i=0;iin_stride]); + st->in_stride = st->out_stride = 1; + speex_resampler_process_native(st, channel_index, x, &ichunk, y, &ochunk); + st->in_stride = istride_save; + st->out_stride = ostride_save; + for (i=0;iout_stride] = y[i]; + out += ochunk; + in += ichunk; + ilen -= ichunk; + olen -= ochunk; + } + *in_len -= ilen; + *out_len -= olen; +#endif + return RESAMPLER_ERR_SUCCESS; +} +int speex_resampler_process_int(SpeexResamplerState *st, spx_uint32_t channel_index, const spx_int16_t *in, spx_uint32_t *in_len, spx_int16_t *out, spx_uint32_t *out_len) +{ + return speex_resampler_process_native(st, channel_index, in, in_len, out, out_len); +} +#else +int speex_resampler_process_float(SpeexResamplerState *st, spx_uint32_t channel_index, const float *in, spx_uint32_t *in_len, float *out, spx_uint32_t *out_len) +{ + return speex_resampler_process_native(st, channel_index, in, in_len, out, out_len); +} +int speex_resampler_process_int(SpeexResamplerState *st, spx_uint32_t channel_index, const spx_int16_t *in, spx_uint32_t *in_len, spx_int16_t *out, spx_uint32_t *out_len) +{ + spx_uint32_t i; + int istride_save, ostride_save; +#ifdef VAR_ARRAYS + spx_word16_t x[*in_len]; + spx_word16_t y[*out_len]; + /*VARDECL(spx_word16_t *x); + VARDECL(spx_word16_t *y); + ALLOC(x, *in_len, spx_word16_t); + ALLOC(y, *out_len, spx_word16_t);*/ + istride_save = st->in_stride; + ostride_save = st->out_stride; + for (i=0;i<*in_len;i++) + x[i] = in[i*st->in_stride]; + st->in_stride = st->out_stride = 1; + speex_resampler_process_native(st, channel_index, x, in_len, y, out_len); + st->in_stride = istride_save; + st->out_stride = ostride_save; + for (i=0;i<*out_len;i++) + out[i*st->out_stride] = WORD2INT(y[i]); +#else + spx_word16_t x[FIXED_STACK_ALLOC]; + spx_word16_t y[FIXED_STACK_ALLOC]; + spx_uint32_t ilen=*in_len, olen=*out_len; + istride_save = st->in_stride; + ostride_save = st->out_stride; + while (ilen && olen) + { + spx_uint32_t ichunk, ochunk; + ichunk = ilen; + ochunk = olen; + if (ichunk>FIXED_STACK_ALLOC) + ichunk=FIXED_STACK_ALLOC; + if (ochunk>FIXED_STACK_ALLOC) + ochunk=FIXED_STACK_ALLOC; + for (i=0;iin_stride]; + st->in_stride = st->out_stride = 1; + speex_resampler_process_native(st, channel_index, x, &ichunk, y, &ochunk); + st->in_stride = istride_save; + st->out_stride = ostride_save; + for (i=0;iout_stride] = WORD2INT(y[i]); + out += ochunk; + in += ichunk; + ilen -= ichunk; + olen -= ochunk; + } + *in_len -= ilen; + *out_len -= olen; +#endif + return RESAMPLER_ERR_SUCCESS; +} +#endif + +int speex_resampler_process_interleaved_float(SpeexResamplerState *st, const float *in, spx_uint32_t *in_len, float *out, spx_uint32_t *out_len) +{ + spx_uint32_t i; + int istride_save, ostride_save; + spx_uint32_t bak_len = *out_len; + istride_save = st->in_stride; + ostride_save = st->out_stride; + st->in_stride = st->out_stride = st->nb_channels; + for (i=0;inb_channels;i++) + { + *out_len = bak_len; + speex_resampler_process_float(st, i, in+i, in_len, out+i, out_len); + } + st->in_stride = istride_save; + st->out_stride = ostride_save; + return RESAMPLER_ERR_SUCCESS; +} + + +int speex_resampler_process_interleaved_int(SpeexResamplerState *st, const spx_int16_t *in, spx_uint32_t *in_len, spx_int16_t *out, spx_uint32_t *out_len) +{ + spx_uint32_t i; + int istride_save, ostride_save; + spx_uint32_t bak_len = *out_len; + istride_save = st->in_stride; + ostride_save = st->out_stride; + st->in_stride = st->out_stride = st->nb_channels; + for (i=0;inb_channels;i++) + { + *out_len = bak_len; + speex_resampler_process_int(st, i, in+i, in_len, out+i, out_len); + } + st->in_stride = istride_save; + st->out_stride = ostride_save; + return RESAMPLER_ERR_SUCCESS; +} + +int speex_resampler_set_rate(SpeexResamplerState *st, spx_uint32_t in_rate, spx_uint32_t out_rate) +{ + return speex_resampler_set_rate_frac(st, in_rate, out_rate, in_rate, out_rate); +} + +void speex_resampler_get_rate(SpeexResamplerState *st, spx_uint32_t *in_rate, spx_uint32_t *out_rate) +{ + *in_rate = st->in_rate; + *out_rate = st->out_rate; +} + +int speex_resampler_set_rate_frac(SpeexResamplerState *st, spx_uint32_t ratio_num, spx_uint32_t ratio_den, spx_uint32_t in_rate, spx_uint32_t out_rate) +{ + spx_uint32_t fact; + spx_uint32_t old_den; + spx_uint32_t i; + if (st->in_rate == in_rate && st->out_rate == out_rate && st->num_rate == ratio_num && st->den_rate == ratio_den) + return RESAMPLER_ERR_SUCCESS; + + old_den = st->den_rate; + st->in_rate = in_rate; + st->out_rate = out_rate; + st->num_rate = ratio_num; + st->den_rate = ratio_den; + /* FIXME: This is terribly inefficient, but who cares (at least for now)? */ + for (fact=2;fact<=IMIN(st->num_rate, st->den_rate);fact++) + { + while ((st->num_rate % fact == 0) && (st->den_rate % fact == 0)) + { + st->num_rate /= fact; + st->den_rate /= fact; + } + } + + if (old_den > 0) + { + for (i=0;inb_channels;i++) + { + st->samp_frac_num[i]=st->samp_frac_num[i]*st->den_rate/old_den; + /* Safety net */ + if (st->samp_frac_num[i] >= st->den_rate) + st->samp_frac_num[i] = st->den_rate-1; + } + } + + if (st->initialised) + update_filter(st); + return RESAMPLER_ERR_SUCCESS; +} + +void speex_resampler_get_ratio(SpeexResamplerState *st, spx_uint32_t *ratio_num, spx_uint32_t *ratio_den) +{ + *ratio_num = st->num_rate; + *ratio_den = st->den_rate; +} + +int speex_resampler_set_quality(SpeexResamplerState *st, int quality) +{ + if (quality > 10 || quality < 0) + return RESAMPLER_ERR_INVALID_ARG; + if (st->quality == quality) + return RESAMPLER_ERR_SUCCESS; + st->quality = quality; + if (st->initialised) + update_filter(st); + return RESAMPLER_ERR_SUCCESS; +} + +void speex_resampler_get_quality(SpeexResamplerState *st, int *quality) +{ + *quality = st->quality; +} + +void speex_resampler_set_input_stride(SpeexResamplerState *st, spx_uint32_t stride) +{ + st->in_stride = stride; +} + +void speex_resampler_get_input_stride(SpeexResamplerState *st, spx_uint32_t *stride) +{ + *stride = st->in_stride; +} + +void speex_resampler_set_output_stride(SpeexResamplerState *st, spx_uint32_t stride) +{ + st->out_stride = stride; +} + +void speex_resampler_get_output_stride(SpeexResamplerState *st, spx_uint32_t *stride) +{ + *stride = st->out_stride; +} + +int speex_resampler_skip_zeros(SpeexResamplerState *st) +{ + spx_uint32_t i; + for (i=0;inb_channels;i++) + st->last_sample[i] = st->filt_len/2; + return RESAMPLER_ERR_SUCCESS; +} + +int speex_resampler_reset_mem(SpeexResamplerState *st) +{ + spx_uint32_t i; + for (i=0;inb_channels*(st->filt_len-1);i++) + st->mem[i] = 0; + return RESAMPLER_ERR_SUCCESS; +} + +const char *speex_resampler_strerror(int err) +{ + switch (err) + { + case RESAMPLER_ERR_SUCCESS: + return "Success."; + case RESAMPLER_ERR_ALLOC_FAILED: + return "Memory allocation failed."; + case RESAMPLER_ERR_BAD_STATE: + return "Bad resampler state."; + case RESAMPLER_ERR_INVALID_ARG: + return "Invalid argument."; + case RESAMPLER_ERR_PTR_OVERLAP: + return "Input and output buffers overlap."; + default: + return "Unknown error. Bad error code or strange version mismatch."; + } +} diff --git a/src/speex/speex_resampler.h b/src/speex/speex_resampler.h new file mode 100644 index 0000000..c44fbcd --- /dev/null +++ b/src/speex/speex_resampler.h @@ -0,0 +1,328 @@ +/* Copyright (C) 2007 Jean-Marc Valin + + File: speex_resampler.h + Resampling code + + The design goals of this code are: + - Very fast algorithm + - Low memory requirement + - Good *perceptual* quality (and not best SNR) + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are + met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + 3. The name of the author may not be used to endorse or promote products + derived from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + + +#ifndef SPEEX_RESAMPLER_H +#define SPEEX_RESAMPLER_H + +#ifdef OUTSIDE_SPEEX + +/********* WARNING: MENTAL SANITY ENDS HERE *************/ + +/* If the resampler is defined outside of Speex, we change the symbol names so that + there won't be any clash if linking with Speex later on. */ + +/* #define RANDOM_PREFIX your software name here */ +#ifndef RANDOM_PREFIX +#error "Please define RANDOM_PREFIX (above) to something specific to your project to prevent symbol name clashes" +#endif + +#define CAT_PREFIX2(a,b) a ## b +#define CAT_PREFIX(a,b) CAT_PREFIX2(a, b) + +#define speex_resampler_init CAT_PREFIX(RANDOM_PREFIX,_resampler_init) +#define speex_resampler_init_frac CAT_PREFIX(RANDOM_PREFIX,_resampler_init_frac) +#define speex_resampler_destroy CAT_PREFIX(RANDOM_PREFIX,_resampler_destroy) +#define speex_resampler_process_float CAT_PREFIX(RANDOM_PREFIX,_resampler_process_float) +#define speex_resampler_process_int CAT_PREFIX(RANDOM_PREFIX,_resampler_process_int) +#define speex_resampler_process_interleaved_float CAT_PREFIX(RANDOM_PREFIX,_resampler_process_interleaved_float) +#define speex_resampler_process_interleaved_int CAT_PREFIX(RANDOM_PREFIX,_resampler_process_interleaved_int) +#define speex_resampler_set_rate CAT_PREFIX(RANDOM_PREFIX,_resampler_set_rate) +#define speex_resampler_get_rate CAT_PREFIX(RANDOM_PREFIX,_resampler_get_rate) +#define speex_resampler_set_rate_frac CAT_PREFIX(RANDOM_PREFIX,_resampler_set_rate_frac) +#define speex_resampler_get_ratio CAT_PREFIX(RANDOM_PREFIX,_resampler_get_ratio) +#define speex_resampler_set_quality CAT_PREFIX(RANDOM_PREFIX,_resampler_set_quality) +#define speex_resampler_get_quality CAT_PREFIX(RANDOM_PREFIX,_resampler_get_quality) +#define speex_resampler_set_input_stride CAT_PREFIX(RANDOM_PREFIX,_resampler_set_input_stride) +#define speex_resampler_get_input_stride CAT_PREFIX(RANDOM_PREFIX,_resampler_get_input_stride) +#define speex_resampler_set_output_stride CAT_PREFIX(RANDOM_PREFIX,_resampler_set_output_stride) +#define speex_resampler_get_output_stride CAT_PREFIX(RANDOM_PREFIX,_resampler_get_output_stride) +#define speex_resampler_skip_zeros CAT_PREFIX(RANDOM_PREFIX,_resampler_skip_zeros) +#define speex_resampler_reset_mem CAT_PREFIX(RANDOM_PREFIX,_resampler_reset_mem) +#define speex_resampler_strerror CAT_PREFIX(RANDOM_PREFIX,_resampler_strerror) + +#define spx_int16_t short +#define spx_int32_t int +#define spx_uint16_t unsigned short +#define spx_uint32_t unsigned int + +#else /* OUTSIDE_SPEEX */ + +#include "speex/speex_types.h" + +#endif /* OUTSIDE_SPEEX */ + +#ifdef __cplusplus +extern "C" { +#endif + +#define SPEEX_RESAMPLER_QUALITY_MAX 10 +#define SPEEX_RESAMPLER_QUALITY_MIN 0 +#define SPEEX_RESAMPLER_QUALITY_DEFAULT 4 +#define SPEEX_RESAMPLER_QUALITY_VOIP 3 +#define SPEEX_RESAMPLER_QUALITY_DESKTOP 5 + +enum { + RESAMPLER_ERR_SUCCESS = 0, + RESAMPLER_ERR_ALLOC_FAILED = 1, + RESAMPLER_ERR_BAD_STATE = 2, + RESAMPLER_ERR_INVALID_ARG = 3, + RESAMPLER_ERR_PTR_OVERLAP = 4, + + RESAMPLER_ERR_MAX_ERROR +}; + +struct SpeexResamplerState_; +typedef struct SpeexResamplerState_ SpeexResamplerState; + +/** Create a new resampler with integer input and output rates. + * @param nb_channels Number of channels to be processed + * @param in_rate Input sampling rate (integer number of Hz). + * @param out_rate Output sampling rate (integer number of Hz). + * @param quality Resampling quality between 0 and 10, where 0 has poor quality + * and 10 has very high quality. + * @return Newly created resampler state + * @retval NULL Error: not enough memory + */ +SpeexResamplerState *speex_resampler_init(spx_uint32_t nb_channels, + spx_uint32_t in_rate, + spx_uint32_t out_rate, + int quality, + int *err); + +/** Create a new resampler with fractional input/output rates. The sampling + * rate ratio is an arbitrary rational number with both the numerator and + * denominator being 32-bit integers. + * @param nb_channels Number of channels to be processed + * @param ratio_num Numerator of the sampling rate ratio + * @param ratio_den Denominator of the sampling rate ratio + * @param in_rate Input sampling rate rounded to the nearest integer (in Hz). + * @param out_rate Output sampling rate rounded to the nearest integer (in Hz). + * @param quality Resampling quality between 0 and 10, where 0 has poor quality + * and 10 has very high quality. + * @return Newly created resampler state + * @retval NULL Error: not enough memory + */ +SpeexResamplerState *speex_resampler_init_frac(spx_uint32_t nb_channels, + spx_uint32_t ratio_num, + spx_uint32_t ratio_den, + spx_uint32_t in_rate, + spx_uint32_t out_rate, + int quality, + int *err); + +/** Destroy a resampler state. + * @param st Resampler state + */ +void speex_resampler_destroy(SpeexResamplerState *st); + +/** Resample a float array. The input and output buffers must *not* overlap. + * @param st Resampler state + * @param channel_index Index of the channel to process for the multi-channel + * base (0 otherwise) + * @param in Input buffer + * @param in_len Number of input samples in the input buffer. Returns the + * number of samples processed + * @param out Output buffer + * @param out_len Size of the output buffer. Returns the number of samples written + */ +int speex_resampler_process_float(SpeexResamplerState *st, + spx_uint32_t channel_index, + const float *in, + spx_uint32_t *in_len, + float *out, + spx_uint32_t *out_len); + +/** Resample an int array. The input and output buffers must *not* overlap. + * @param st Resampler state + * @param channel_index Index of the channel to process for the multi-channel + * base (0 otherwise) + * @param in Input buffer + * @param in_len Number of input samples in the input buffer. Returns the number + * of samples processed + * @param out Output buffer + * @param out_len Size of the output buffer. Returns the number of samples written + */ +int speex_resampler_process_int(SpeexResamplerState *st, + spx_uint32_t channel_index, + const spx_int16_t *in, + spx_uint32_t *in_len, + spx_int16_t *out, + spx_uint32_t *out_len); + +/** Resample an interleaved float array. The input and output buffers must *not* overlap. + * @param st Resampler state + * @param in Input buffer + * @param in_len Number of input samples in the input buffer. Returns the number + * of samples processed. This is all per-channel. + * @param out Output buffer + * @param out_len Size of the output buffer. Returns the number of samples written. + * This is all per-channel. + */ +int speex_resampler_process_interleaved_float(SpeexResamplerState *st, + const float *in, + spx_uint32_t *in_len, + float *out, + spx_uint32_t *out_len); + +/** Resample an interleaved int array. The input and output buffers must *not* overlap. + * @param st Resampler state + * @param in Input buffer + * @param in_len Number of input samples in the input buffer. Returns the number + * of samples processed. This is all per-channel. + * @param out Output buffer + * @param out_len Size of the output buffer. Returns the number of samples written. + * This is all per-channel. + */ +int speex_resampler_process_interleaved_int(SpeexResamplerState *st, + const spx_int16_t *in, + spx_uint32_t *in_len, + spx_int16_t *out, + spx_uint32_t *out_len); + +/** Set (change) the input/output sampling rates (integer value). + * @param st Resampler state + * @param in_rate Input sampling rate (integer number of Hz). + * @param out_rate Output sampling rate (integer number of Hz). + */ +int speex_resampler_set_rate(SpeexResamplerState *st, + spx_uint32_t in_rate, + spx_uint32_t out_rate); + +/** Get the current input/output sampling rates (integer value). + * @param st Resampler state + * @param in_rate Input sampling rate (integer number of Hz) copied. + * @param out_rate Output sampling rate (integer number of Hz) copied. + */ +void speex_resampler_get_rate(SpeexResamplerState *st, + spx_uint32_t *in_rate, + spx_uint32_t *out_rate); + +/** Set (change) the input/output sampling rates and resampling ratio + * (fractional values in Hz supported). + * @param st Resampler state + * @param ratio_num Numerator of the sampling rate ratio + * @param ratio_den Denominator of the sampling rate ratio + * @param in_rate Input sampling rate rounded to the nearest integer (in Hz). + * @param out_rate Output sampling rate rounded to the nearest integer (in Hz). + */ +int speex_resampler_set_rate_frac(SpeexResamplerState *st, + spx_uint32_t ratio_num, + spx_uint32_t ratio_den, + spx_uint32_t in_rate, + spx_uint32_t out_rate); + +/** Get the current resampling ratio. This will be reduced to the least + * common denominator. + * @param st Resampler state + * @param ratio_num Numerator of the sampling rate ratio copied + * @param ratio_den Denominator of the sampling rate ratio copied + */ +void speex_resampler_get_ratio(SpeexResamplerState *st, + spx_uint32_t *ratio_num, + spx_uint32_t *ratio_den); + +/** Set (change) the conversion quality. + * @param st Resampler state + * @param quality Resampling quality between 0 and 10, where 0 has poor + * quality and 10 has very high quality. + */ +int speex_resampler_set_quality(SpeexResamplerState *st, + int quality); + +/** Get the conversion quality. + * @param st Resampler state + * @param quality Resampling quality between 0 and 10, where 0 has poor + * quality and 10 has very high quality. + */ +void speex_resampler_get_quality(SpeexResamplerState *st, + int *quality); + +/** Set (change) the input stride. + * @param st Resampler state + * @param stride Input stride + */ +void speex_resampler_set_input_stride(SpeexResamplerState *st, + spx_uint32_t stride); + +/** Get the input stride. + * @param st Resampler state + * @param stride Input stride copied + */ +void speex_resampler_get_input_stride(SpeexResamplerState *st, + spx_uint32_t *stride); + +/** Set (change) the output stride. + * @param st Resampler state + * @param stride Output stride + */ +void speex_resampler_set_output_stride(SpeexResamplerState *st, + spx_uint32_t stride); + +/** Get the output stride. + * @param st Resampler state copied + * @param stride Output stride + */ +void speex_resampler_get_output_stride(SpeexResamplerState *st, + spx_uint32_t *stride); + +/** Make sure that the first samples to go out of the resamplers don't have + * leading zeros. This is only useful before starting to use a newly created + * resampler. It is recommended to use that when resampling an audio file, as + * it will generate a file with the same length. For real-time processing, + * it is probably easier not to use this call (so that the output duration + * is the same for the first frame). + * @param st Resampler state + */ +int speex_resampler_skip_zeros(SpeexResamplerState *st); + +/** Reset a resampler so a new (unrelated) stream can be processed. + * @param st Resampler state + */ +int speex_resampler_reset_mem(SpeexResamplerState *st); + +/** Returns the English meaning for an error code + * @param err Error code + * @return English string + */ +const char *speex_resampler_strerror(int err); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/sydney.h b/src/sydney.h new file mode 100644 index 0000000..8733260 --- /dev/null +++ b/src/sydney.h @@ -0,0 +1,375 @@ +#ifndef foosydneyhfoo +#define foosydneyhfoo + +/* Requirements: + +- In sync mode, the device will automatically write data so that an initial read causes writes +of zeros to be issued to that one can do "while (1); {read(); write()} + +- All functions are thread-safe and can be called in any thread context. None of the functions is +async-signal safe. + +- It is assumed that duplex streams have a single clock (synchronised) +*/ + +#include +#include +#include + +/* Detect byte order, based on sys/param.h */ +#if (defined(__BYTE_ORDER) && (__BYTE_ORDER == __LITTLE_ENDIAN)) || defined(WIN32) +# define SA_LITTLE_ENDIAN 1 +# undef SA_BIG_ENDIAN +#elif (defined(__BYTE_ORDER) && (__BYTE_ORDER == __BIG_ENDIAN)) +# undef SA_LITTLE_ENDIAN +# define SA_BIG_ENDIAN 1 +#else +# error "Cannot determine byte order!" +#endif + +typedef struct sa_stream sa_stream_t; + +/** Volume that corresponds to muted in/out */ +#define SA_VOLUME_MUTED ((int32_t) (-0x80000000)) + +/** Ways to express seek offsets for pread/pwrite */ +typedef enum { + SA_SEEK_RELATIVE, + SA_SEEK_ABSOLUTE, + SA_SEEK_RELATIVE_END, + _SA_SEEK_MAX +} sa_seek_t; + +/** Supported formats */ +typedef enum { + SA_PCM_FORMAT_U8, + SA_PCM_FORMAT_ULAW, + SA_PCM_FORMAT_ALAW, + SA_PCM_FORMAT_S16_LE, + SA_PCM_FORMAT_S16_BE, + SA_PCM_FORMAT_S24_LE, + SA_PCM_FORMAT_S24_BE, + SA_PCM_FORMAT_S32_LE, + SA_PCM_FORMAT_S32_BE, + SA_PCM_FORMAT_FLOAT32_LE, + SA_PCM_FORMAT_FLOAT32_BE, + _SA_PCM_FORMAT_MAX +} sa_pcm_format_t; + +/* Native/reverse endianness definitions for PCM */ +#ifdef SA_LITTLE_ENDIAN +#define SA_PCM_FORMAT_S16_NE SA_PCM_FORMAT_S16_LE +#define SA_PCM_FORMAT_S24_NE SA_PCM_FORMAT_S24_LE +#define SA_PCM_FORMAT_S32_NE SA_PCM_FORMAT_S32_LE +#define SA_PCM_FORMAT_FLOAT32_NE SA_PCM_FORMAT_FLOAT32_LE +#define SA_PCM_FORMAT_S16_RE SA_PCM_FORMAT_S16_BE +#define SA_PCM_FORMAT_S24_RE SA_PCM_FORMAT_S24_BE +#define SA_PCM_FORMAT_S32_RE SA_PCM_FORMAT_S32_BE +#define SA_PCM_FORMAT_FLOAT32_RE SA_PCM_FORMAT_FLOAT32_BE +#else +#define SA_PCM_FORMAT_S16_NE SA_PCM_FORMAT_S16_BE +#define SA_PCM_FORMAT_S24_NE SA_PCM_FORMAT_S24_BE +#define SA_PCM_FORMAT_S32_NE SA_PCM_FORMAT_S32_BE +#define SA_PCM_FORMAT_FLOAT32_NE SA_PCM_FORMAT_FLOAT32_BE +#define SA_PCM_FORMAT_S16_RE SA_PCM_FORMAT_S16_LE +#define SA_PCM_FORMAT_S24_RE SA_PCM_FORMAT_S24_LE +#define SA_PCM_FORMAT_S32_RE SA_PCM_FORMAT_S32_LE +#define SA_PCM_FORMAT_FLOAT32_RE SA_PCM_FORMAT_FLOAT32_LE +#endif + +#define SA_CODEC_MPEG "mpeg" +#define SA_CODEC_AC3 "ac3" +#define SA_CODEC_GSM "gsm" +#define SA_CODEC_VORBIS "vorbis" +#define SA_CODEC_SPEEX "speex" + +/** Device opening modes */ +typedef enum { + SA_MODE_WRONLY = 1, + SA_MODE_RDONLY = 2, + SA_MODE_RDWR = 3, + _SA_MODE_MAX = 4, +} sa_mode_t; + +/** Error codes */ +typedef enum { + SA_SUCCESS = 0, + SA_ERROR_NOT_SUPPORTED = -1, + SA_ERROR_INVALID = -2, + SA_ERROR_STATE = -3, + SA_ERROR_OOM = -4, + SA_ERROR_NO_DEVICE = -5, + SA_ERROR_NO_DRIVER = -6, + SA_ERROR_NO_CODEC = -7, + SA_ERROR_NO_PCM_FORMAT = -7, + SA_ERROR_SYSTEM = -8, + SA_ERROR_NO_INIT = -9, + SA_ERROR_NO_META = -10, + SA_ERROR_NO_DATA = -11, + SA_ERROR_NO_SPACE = -12, + _SA_ERROR_MAX = -13 +} sa_error_t; + +/** Possible events for notifications */ +typedef enum { + SA_NOTIFY_REQUEST_START, + SA_NOTIFY_REQUEST_STOP, + SA_NOTIFY_CHANGED_READ_VOLUME, + SA_NOTIFY_CHANGED_WRITE_VOLUME, + SA_NOTIFY_CHANGED_DEVICE, + _SA_NOTIFY_MAX +} sa_notify_t; + +/** Classes of events */ +typedef enum { + SA_EVENT_REQUEST_IO, + SA_EVENT_INIT_THREAD, + SA_EVENT_NOTIFY, + SA_EVENT_ERROR, + _SA_EVENT_MAX +} sa_event_t; + +/** List of sample position queries */ +typedef enum { + SA_POSITION_WRITE_DELAY, + SA_POSITION_WRITE_HARDWARE, + SA_POSITION_WRITE_SOFTWARE, + SA_POSITION_READ_DELAY, + SA_POSITION_READ_HARDWARE, + SA_POSITION_READ_SOFTWARE, + SA_POSITION_DUPLEX_DELAY, + _SA_POSITION_MAX +} sa_position_t; + +/* Channel positions */ +typedef enum { + SA_CHANNEL_MONO, + SA_CHANNEL_LEFT, + SA_CHANNEL_RIGHT, + SA_CHANNEL_CENTER, + SA_CHANNEL_FRONT_LEFT, + SA_CHANNEL_FRONT_RIGHT, + SA_CHANNEL_FRONT_CENTER, + SA_CHANNEL_REAR_LEFT, + SA_CHANNEL_REAR_RIGHT, + SA_CHANNEL_REAR_CENTER, + SA_CHANNEL_LFE, + SA_CHANNEL_FRONT_LEFT_OF_CENTER, + SA_CHANNEL_FRONT_RIGHT_OF_CENTER, + SA_CHANNEL_SIDE_LEFT, + SA_CHANNEL_SIDE_RIGHT, + SA_CHANNEL_TOP_CENTER, + SA_CHANNEL_TOP_FRONT_LEFT, + SA_CHANNEL_TOP_FRONT_RIGHT, + SA_CHANNEL_TOP_FRONT_CENTER, + SA_CHANNEL_TOP_REAR_LEFT, + SA_CHANNEL_TOP_REAR_RIGHT, + SA_CHANNEL_TOP_REAR_CENTER, + SA_CHANNEL_AUX0, + SA_CHANNEL_AUX1, + SA_CHANNEL_AUX2, + SA_CHANNEL_AUX3, + SA_CHANNEL_AUX4, + SA_CHANNEL_AUX5, + SA_CHANNEL_AUX6, + SA_CHANNEL_AUX7, + SA_CHANNEL_AUX8, + SA_CHANNEL_AUX9, + SA_CHANNEL_AUX10, + SA_CHANNEL_AUX11, + SA_CHANNEL_AUX12, + SA_CHANNEL_AUX13, + SA_CHANNEL_AUX14, + SA_CHANNEL_AUX15, + SA_CHANNEL_AUX16, + SA_CHANNEL_AUX17, + SA_CHANNEL_AUX18, + SA_CHANNEL_AUX19, + SA_CHANNEL_AUX20, + SA_CHANNEL_AUX21, + SA_CHANNEL_AUX22, + SA_CHANNEL_AUX23, + SA_CHANNEL_AUX24, + SA_CHANNEL_AUX25, + SA_CHANNEL_AUX26, + SA_CHANNEL_AUX27, + SA_CHANNEL_AUX28, + SA_CHANNEL_AUX29, + SA_CHANNEL_AUX30, + SA_CHANNEL_AUX31, + _SA_CHANNEL_MAX +} sa_channel_t; + +typedef enum { + SA_STATE_INIT, + SA_STATE_RUNNING, + SA_STATE_STOPPED, + /* put more stuff */ + _SA_STATE_MAX, +} sa_state_t; + +typedef enum { + SA_XRUN_MODE_STOP, + SA_XRUN_MODE_SPIN, + _SA_XRUN_MODE_MAX +} sa_xrun_mode_t; + +typedef enum { + SA_ADJUST_UP = 1, + SA_ADJUST_DOWN = -1, + SA_ADJUST_NONE = 0, +} sa_adjust_t; + +/* Some kind of meta information. */ +#define SA_META_CLIENT_NAME "sydney.client-name" /* utf-8 */ +#define SA_META_PROCESS_ID "sydney.process-id" /* getpid() */ +#define SA_META_LANGUAGE "sydney.language" /* de_DE and similar */ + +/* Some kind of meta information. Not filled in */ +#define SA_META_STREAM_NAME "sydney.stream-name" /* utf-8 */ +#define SA_META_ICON_NAME "sydney.icon-name" /* file name (no slashes) */ +#define SA_META_ICON_PNG "sydney.icon-png" /* PNG blob */ +#define SA_META_ROLE "sydney.role" /* one of: "music", "phone", "game", "event" */ +#define SA_META_X11_DISPLAY "sydney.x11-display" /* X11 display */ +#define SA_META_X11_WINDOW "sydney.x11-window" /* X11 window id */ + +/** Main callback function */ +typedef int (*sa_event_callback_t)(sa_stream_t *s, sa_event_t event); + +/** Create an opaque (e.g. AC3) codec stream */ +int sa_stream_create_opaque(sa_stream_t **s, const char *client_name, sa_mode_t mode, const char *codec); + +/** Normal way to open a PCM device */ +int sa_stream_create_pcm(sa_stream_t **s, const char *client_name, sa_mode_t mode, sa_pcm_format_t format, unsigned rate, unsigned nchannels); + +/** Initialise the device */ +int sa_stream_open(sa_stream_t *s); + +/** Close/destroy everything */ +int sa_stream_destroy(sa_stream_t *s); + +/* "Soft" params */ +int sa_stream_set_write_lower_watermark(sa_stream_t *s, size_t size); +int sa_stream_set_read_lower_watermark(sa_stream_t *s, size_t size); +int sa_stream_set_write_user_size(sa_stream_t *s, size_t size); +int sa_stream_set_read_user_size(sa_stream_t *s, size_t size); + +/** Set the mapping between channels and the loudspeakers */ +int sa_stream_set_channel_map(sa_stream_t *s, const sa_channel_t map[], unsigned n); + +/** Whether xruns cause the card to reset */ +int sa_stream_set_xrun_mode(sa_stream_t *s, sa_xrun_mode_t mode); + +/** Set the device to non-interleaved mode */ +int sa_stream_set_non_interleaved(sa_stream_t *s, int enable); + +/** Select driver */ +int sa_stream_set_driver(sa_stream_t *s, const char *driver); + +/** Start callback */ +int sa_stream_start_thread(sa_stream_t *s, sa_event_callback_t callback); + +/** Start callback */ +int sa_stream_stop_thread(sa_stream_t *s); + +/** Change the device connected to the stream */ +int sa_stream_change_device(sa_stream_t *s, const char *device_name); + +/** volume in hundreths of dB*/ +int sa_stream_change_read_volume(sa_stream_t *s, const int32_t vol[], unsigned n); + +/** volume in hundreths of dB*/ +int sa_stream_change_write_volume(sa_stream_t *s, const int32_t vol[], unsigned n); + +/** Change the sampling rate */ +int sa_stream_change_rate(sa_stream_t *s, unsigned rate); + +/** Change some meta data that is attached to the stream */ +int sa_stream_change_meta_data(sa_stream_t *s, const char *name, const void *data, size_t size); + +/** Associate opaque user data */ +int sa_stream_change_user_data(sa_stream_t *s, const void *value); + +/* Hardware-related. This is implementation-specific and hardware specific. */ +int sa_stream_set_adjust_rate(sa_stream_t *s, sa_adjust_t direction); +int sa_stream_set_adjust_nchannels(sa_stream_t *s, sa_adjust_t direction); +int sa_stream_set_adjust_pcm_format(sa_stream_t *s, sa_adjust_t direction); +int sa_stream_set_adjust_watermarks(sa_stream_t *s, sa_adjust_t direction); + +/* Query functions */ + +int sa_stream_get_mode(sa_stream_t *s, sa_mode_t *access_mode); +int sa_stream_get_codec(sa_stream_t *s, char *codec, size_t *size); +int sa_stream_get_pcm_format(sa_stream_t *s, sa_pcm_format_t *format); +int sa_stream_get_rate(sa_stream_t *s, unsigned *rate); +int sa_stream_get_nchannels(sa_stream_t *s, int *nchannels); +int sa_stream_get_user_data(sa_stream_t *s, void **value); +int sa_stream_get_write_lower_watermark(sa_stream_t *s, size_t *size); +int sa_stream_get_read_lower_watermark(sa_stream_t *s, size_t *size); +int sa_stream_get_write_upper_watermark(sa_stream_t *s, size_t *size); +int sa_stream_get_read_upper_watermark(sa_stream_t *s, size_t *size); +int sa_stream_get_channel_map(sa_stream_t *s, sa_channel_t map[], unsigned *n); +int sa_stream_get_xrun_mode(sa_stream_t *s, sa_xrun_mode_t *mode); +int sa_stream_get_non_interleaved(sa_stream_t *s, int *enabled); +int sa_stream_get_dynamic_rate(sa_stream_t *s, int *enabled); +int sa_stream_get_driver(sa_stream_t *s, char *driver_name, size_t *size); +int sa_stream_get_device(sa_stream_t *s, char *device_name, size_t *size); +int sa_stream_get_read_volume(sa_stream_t *s, int32_t vol[], unsigned *n); +int sa_stream_get_write_volume(sa_stream_t *s, int32_t vol[], unsigned *n); +int sa_stream_get_meta_data(sa_stream_t *s, const char *name, void*data, size_t *size); +int sa_stream_get_adjust_rate(sa_stream_t *s, sa_adjust_t *direction); +int sa_stream_get_adjust_nchannels(sa_stream_t *s, sa_adjust_t *direction); +int sa_stream_get_adjust_pcm_format(sa_stream_t *s, sa_adjust_t *direction); +int sa_stream_get_adjust_watermarks(sa_stream_t *s, sa_adjust_t *direction); + +/** Get current state of the audio device */ +int sa_stream_get_state(sa_stream_t *s, sa_state_t *state); + +/** Obtain the error code */ +int sa_stream_get_event_error(sa_stream_t *s, sa_error_t *error); + +/** Obtain the notification code */ +int sa_stream_get_event_notify(sa_stream_t *s, sa_notify_t *notify); + +/** sync/timing */ +int sa_stream_get_position(sa_stream_t *s, sa_position_t position, int64_t *pos); + + +/* Blocking IO calls */ + +/** Interleaved capture function */ +int sa_stream_read(sa_stream_t *s, void *data, size_t nbytes); +/** Non-interleaved capture function */ +int sa_stream_read_ni(sa_stream_t *s, unsigned channel, void *data, size_t nbytes); + +/** Interleaved playback function */ +int sa_stream_write(sa_stream_t *s, const void *data, size_t nbytes); +/** Non-interleaved playback function */ +int sa_stream_write_ni(sa_stream_t *s, unsigned channel, const void *data, size_t nbytes); +/** Interleaved playback function with seek offset */ +int sa_stream_pwrite(sa_stream_t *s, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence); +/** Non-interleaved playback function with seek offset */ +int sa_stream_pwrite_ni(sa_stream_t *s, unsigned channel, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence); + + +/** Query how much can be read without blocking */ +int sa_stream_get_read_size(sa_stream_t *s, size_t *size); +/** Query how much can be written without blocking */ +int sa_stream_get_write_size(sa_stream_t *s, size_t *size); + + +/* Control/xrun */ + +/** Resume playing after a pause */ +int sa_stream_resume(sa_stream_t *s); + +/** Pause audio playback (do not empty the buffer) */ +int sa_stream_pause(sa_stream_t *s); + +/** Block until all audio has been played */ +int sa_stream_drain(sa_stream_t *s); + +/** Return a human readable error */ +const char *sa_strerror(int code); + +#endif diff --git a/src/test-asyncq.c b/src/test-asyncq.c new file mode 100644 index 0000000..26dbc55 --- /dev/null +++ b/src/test-asyncq.c @@ -0,0 +1,62 @@ +#include + +#include "asyncq.h" +#include "thread.h" +#include "macro.h" + +#define ITERATIONS_MAX 1000 + +static void thread(void *userdata) { + sa_asyncq_t *q = userdata; + int i; + + for (i = 0; i < ITERATIONS_MAX; i++) { + sa_asyncq_item_t *i; + + i = sa_asyncq_get(q); + sa_assert(i); + + sa_asyncq_push(q, i); + + if (rand() & 1) + sa_thread_yield(); + } +} + +int main(int argc, char *argv[]) { + int j; + sa_thread_t *t; + sa_asyncq_t q; + sa_asyncq_item_t *i; + + sa_assert_success(sa_asyncq_init(&q)); + + t = sa_thread_new(thread, &q); + sa_assert(t); + + for (j = 0; j < ITERATIONS_MAX; j++) { + + do { + i = sa_asyncq_pop(&q, 0); + printf("%s ", i ? "gotcha" : "miss"); + + if (i) + sa_asyncq_recycle(&q, i); + } while (i); + + if (rand() & 1) + sa_thread_yield(); + } + + printf("\n"); + + sa_thread_free(t); + + while (sa_asyncq_pop(&q, 1)) + ; + + sa_asyncq_done(&q); + + + return 0; +} diff --git a/src/test-bufferq.c b/src/test-bufferq.c new file mode 100644 index 0000000..45d65eb --- /dev/null +++ b/src/test-bufferq.c @@ -0,0 +1,42 @@ +#include "bufferq.h" +#include "malloc.h" + +int main(int argc, char *argv[]) { + + sa_bufferq_t q; + + sa_bufferq_init(&q, 1, 1); + + sa_bufferq_push(&q, 0, "{AAAAAAAA}", 10, 0, SA_SEEK_RELATIVE, SA_BUFFERQ_ITEM_STATIC); + sa_bufferq_push(&q, 0, "", 10, 5, SA_SEEK_RELATIVE, SA_BUFFERQ_ITEM_STATIC); + sa_bufferq_push(&q, 0, "[CCCC]", 6, -18, SA_SEEK_RELATIVE, SA_BUFFERQ_ITEM_STATIC); + sa_bufferq_push(&q, 0, "(DDDD)", 6, -3, SA_SEEK_ABSOLUTE, SA_BUFFERQ_ITEM_STATIC); + sa_bufferq_push(&q, 0, sa_strdup("XXX"), 3, 10, SA_SEEK_RELATIVE_END, SA_BUFFERQ_ITEM_DYNAMIC); + sa_bufferq_push(&q, 0, "YYYYY", 5, -4, SA_SEEK_RELATIVE, SA_BUFFERQ_ITEM_CONCATENATED); + + sa_bufferq_realloc(&q); + + for (;;) { + void *b[1]; + size_t size; + + sa_bufferq_get(&q, b, &size); + + if (size == 0) + break; + + printf("Got %u bytes: ", size); + if (b[0]) + fwrite(b[0], size, 1, stdout); + else + printf("empty"); + + printf("\n"); + + sa_bufferq_drop(&q, size); + } + + sa_bufferq_done(&q); + + return 0; +} diff --git a/src/test-llist.c b/src/test-llist.c new file mode 100644 index 0000000..2059ef8 --- /dev/null +++ b/src/test-llist.c @@ -0,0 +1,34 @@ +#include "llist.h" + +struct foobar { + SA_LLIST_ITEM(struct foobar, list); +}; + + +static SA_LLIST_HEAD(struct foobar, list); + +int main(int argc, char *argv[]) { + struct foobar a, b, c; + + SA_LLIST_HEAD_INIT(struct foobar, list); + + SA_LLIST_ITEM_INIT(struct foobar, list, &a); + SA_LLIST_ITEM_INIT(struct foobar, list, &b); + SA_LLIST_ITEM_INIT(struct foobar, list, &c); + + SA_LLIST_PREPEND(struct foobar, list, list, &a); + SA_LLIST_INSERT_BEFORE(struct foobar, list, list, &a, &b); + SA_LLIST_INSERT_AFTER(struct foobar, list, list, &a, &c); + + sa_assert(list == &b); + sa_assert(list->list_next == &a); + sa_assert(list->list_next->list_next == &c); + + SA_LLIST_REMOVE(struct foobar, list, list, &a); + SA_LLIST_REMOVE(struct foobar, list, list, &b); + SA_LLIST_REMOVE(struct foobar, list, list, &c); + + sa_assert(!list); + + return 0; +} diff --git a/src/test-pull.c b/src/test-pull.c new file mode 100644 index 0000000..7f93906 --- /dev/null +++ b/src/test-pull.c @@ -0,0 +1,73 @@ +#include +#include +#include +#include +#include + +#include "sydney.h" +#include "macro.h" + +#define ASSERT_SUCCESS(x) do { \ + int _r; \ + if ((_r = x)) { \ + fprintf(stderr, "Operation <%s> failed: %s%s%s\n", \ + #x, \ + sa_strerror(_r), \ + _r == SA_ERROR_SYSTEM ? "; " : "", _r == SA_ERROR_SYSTEM ? strerror(errno) : ""); \ + } \ + assert(_r == SA_SUCCESS); \ +} while(0) + +#define FREQ 440 + +static const float data[4] = { 0.0, 1.0, 0.0, -1.0 }; + +static int callback(sa_stream_t *s, sa_event_t e) { + switch (e) { + case SA_EVENT_INIT_THREAD: + printf("Thread initialized.\n"); + return 0; + + case SA_EVENT_ERROR: { + int e; + ASSERT_SUCCESS(sa_stream_get_event_error(s, &e)); + printf("Error: %s\n", sa_strerror(e)); + return -1; + } + + case SA_EVENT_NOTIFY: + printf("Notified.\n"); + return 0; + + case SA_EVENT_REQUEST_IO: + + ASSERT_SUCCESS(sa_stream_write(s, data, sizeof(data))); + return 0; + + case _SA_EVENT_MAX: + ; + } + + sa_assert_not_reached(); +} + +int main(int argc, char *argv[]) { + + sa_stream_t *s; + + ASSERT_SUCCESS(sa_stream_create_pcm(&s, "Sine Test (pull)", SA_MODE_WRONLY, SA_PCM_FORMAT_FLOAT32_NE, FREQ * 4, 1)); + ASSERT_SUCCESS(sa_stream_change_device(s, "/dev/dsp1")); + ASSERT_SUCCESS(sa_stream_open(s)); + + ASSERT_SUCCESS(sa_stream_start_thread(s, callback)); + + sleep(20); + + ASSERT_SUCCESS(sa_stream_stop_thread(s)); + + ASSERT_SUCCESS(sa_stream_drain(s)); + + ASSERT_SUCCESS(sa_stream_destroy(s)); + + return 0; +} diff --git a/src/test-sine.c b/src/test-sine.c new file mode 100644 index 0000000..07f3868 --- /dev/null +++ b/src/test-sine.c @@ -0,0 +1,51 @@ +#include +#include +#include +#include + +#include "sydney.h" + +#define ASSERT_SUCCESS(x) do { \ + int _r; \ + if ((_r = x)) { \ + fprintf(stderr, "Operation <%s> failed: %s%s%s\n", \ + #x, \ + sa_strerror(_r), \ + _r == SA_ERROR_SYSTEM ? "; " : "", _r == SA_ERROR_SYSTEM ? strerror(errno) : ""); \ + } \ + assert(_r == SA_SUCCESS); \ +} while(0) + +#define FREQ 440 + +int main(int argc, char *argv[]) { + + sa_stream_t *s; + float data[4] = { 0.0, 1.0, 0.0, -1.0 }; + int i, j; + + ASSERT_SUCCESS(sa_stream_create_pcm(&s, "Sine Test", SA_MODE_WRONLY, SA_PCM_FORMAT_FLOAT32_NE, FREQ * 4, 1)); + ASSERT_SUCCESS(sa_stream_change_device(s, "/dev/dsp1")); + ASSERT_SUCCESS(sa_stream_set_dynamic_rate(s, 1)); + sa_stream_change_meta_data(s, SA_META_CLIENT_NAME, argv[0], strlen(argv[0])); + ASSERT_SUCCESS(sa_stream_open(s)); + + for (j = 0; j < 10; j++) { + int v; + + v = -j*500; + +/* ASSERT_SUCCESS(sa_stream_change_rate(dev, FREQ*4+100*j)); */ + ASSERT_SUCCESS(sa_stream_change_write_volume(s, &v, 1)); + + for (i = 0; i < FREQ; i++) + ASSERT_SUCCESS(sa_stream_write(s, data, sizeof(data))); + } + + + ASSERT_SUCCESS(sa_stream_drain(s)); + + ASSERT_SUCCESS(sa_stream_destroy(s)); + + return 0; +} diff --git a/src/thread.c b/src/thread.c new file mode 100644 index 0000000..26deccb --- /dev/null +++ b/src/thread.c @@ -0,0 +1,214 @@ +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include +#include + +#include "thread.h" +#include "malloc.h" +#include "once.h" +#include "macro.h" + +struct sa_thread { + pthread_t id; + sa_thread_func_t thread_func; + void *userdata; + int running; + pthread_mutex_t running_mutex; +}; + +struct sa_tls { + pthread_key_t key; +}; + +static sa_tls_t *thread_tls; +static sa_once_t thread_tls_once = SA_ONCE_INIT; + +static void tls_free_cb(void *p) { + sa_thread_t *t = p; + + sa_assert(t); + + if (!t->thread_func) + /* This is a foreign thread, we need to free the struct */ + sa_free(t); +} + +static void thread_tls_once_func(void) { + thread_tls = sa_tls_new(tls_free_cb); +} + +static void* internal_thread_func(void *userdata) { + sa_thread_t *t = userdata; + sa_assert(t); + + t->id = pthread_self(); + sa_tls_set(thread_tls, t); + + t->thread_func(t->userdata); + + sa_assert_success(pthread_mutex_lock(&t->running_mutex)); + t->running = 0; + sa_assert_success(pthread_mutex_unlock(&t->running_mutex)); + + return NULL; +} + +sa_thread_t* sa_thread_new(sa_thread_func_t thread_func, void *userdata) { + sa_thread_t *t; + + sa_assert(thread_func); + + if (sa_once(&thread_tls_once, thread_tls_once_func) < 0 || !thread_tls) + return NULL; + + if (!(t = sa_new(sa_thread_t, 1))) + return NULL; + + t->thread_func = thread_func; + t->userdata = userdata; + + sa_assert_success(pthread_mutex_init(&t->running_mutex, NULL)); + t->running = 1; + + if (pthread_create(&t->id, NULL, internal_thread_func, t) < 0) { + sa_assert_success(pthread_mutex_destroy(&t->running_mutex)); + sa_free(t); + return NULL; + } + + return t; +} + +int sa_thread_is_running(sa_thread_t *t) { + int b; + sa_assert(t); + + if (!t->thread_func) { + /* Mhmm, this is a foreign thread, t->running is not + * necessarily valid. We misuse pthread_getschedparam() to + * check if the thread is valid. This might not be portable. */ + + int policy; + struct sched_param param; + + return pthread_getschedparam(t->id, &policy, ¶m) >= 0 || errno != ESRCH; + } + + sa_assert_success(pthread_mutex_lock(&t->running_mutex)); + b = t->running; + sa_assert_success(pthread_mutex_unlock(&t->running_mutex)); + + return !!b; +} + +void sa_thread_free(sa_thread_t *t) { + sa_assert(t); + + sa_thread_join(t); + sa_assert_success(pthread_mutex_destroy(&t->running_mutex)); + sa_free(t); +} + +int sa_thread_join(sa_thread_t *t) { + sa_assert(t); + + return pthread_join(t->id, NULL); +} + +sa_thread_t* sa_thread_self(void) { + sa_thread_t *t; + + if (sa_once(&thread_tls_once, thread_tls_once_func) < 0 || !thread_tls) + return NULL; + + if ((t = sa_tls_get(thread_tls))) + return t; + + /* This is a foreign thread, let's create a pthread structure to + * make sure that we can always return a sensible pointer */ + + if (!(t = sa_new(sa_thread_t, 1))) + return NULL; + + t->id = pthread_self(); + t->thread_func = NULL; + t->userdata = NULL; + t->running = 1; + + sa_tls_set(thread_tls, t); + + return t; +} + +int sa_thread_is_self(sa_thread_t *t) { + sa_thread_t *c; + sa_assert(t); + + if (sa_once(&thread_tls_once, thread_tls_once_func) < 0 || !thread_tls) + return 0; + + if ((c = sa_tls_get(thread_tls))) + return c == t; + + return 0; +} + + +void* sa_thread_get_data(sa_thread_t *t) { + sa_assert(t); + + return t->userdata; +} + +void sa_thread_set_data(sa_thread_t *t, void *userdata) { + sa_assert(t); + + t->userdata = userdata; +} + +void sa_thread_yield(void) { +#ifdef HAVE_PTHREAD_YIELD + pthread_yield(); +#else + sa_assert_success(sched_yield()); +#endif +} + +sa_tls_t* sa_tls_new(sa_free_func_t free_cb) { + sa_tls_t *t; + + if (!(t = sa_new(sa_tls_t, 1))) + return NULL; + + if (pthread_key_create(&t->key, free_cb) < 0) { + sa_free(t); + return NULL; + } + + return t; +} + +void sa_tls_free(sa_tls_t *t) { + sa_assert(t); + + sa_assert_success(pthread_key_delete(t->key)); + sa_free(t); +} + +void *sa_tls_get(sa_tls_t *t) { + sa_assert(t); + + return pthread_getspecific(t->key); +} + +void *sa_tls_set(sa_tls_t *t, void *userdata) { + void *r; + + r = pthread_getspecific(t->key); + sa_assert_success(pthread_setspecific(t->key, userdata)); + return r; +} + diff --git a/src/thread.h b/src/thread.h new file mode 100644 index 0000000..ddd2604 --- /dev/null +++ b/src/thread.h @@ -0,0 +1,28 @@ +#ifndef foosydneythreadhfoo +#define foosydneythreadhfoo + +typedef struct sa_thread sa_thread_t; + +typedef void (*sa_thread_func_t) (void *userdata); + +sa_thread_t* sa_thread_new(sa_thread_func_t sa_thread_func, void *userdata); +void sa_thread_free(sa_thread_t *t); +int sa_thread_join(sa_thread_t *t); +int sa_thread_is_running(sa_thread_t *t); +sa_thread_t *sa_thread_self(void); +void sa_thread_yield(void); +int sa_thread_is_self(sa_thread_t *t); + +void* sa_thread_get_data(sa_thread_t *t); +void sa_thread_set_data(sa_thread_t *t, void *userdata); + +typedef struct sa_tls sa_tls_t; + +typedef void (*sa_free_func_t) (void *data); + +sa_tls_t* sa_tls_new(sa_free_func_t f); +void sa_tls_free(sa_tls_t *t); +void * sa_tls_get(sa_tls_t *t); +void *sa_tls_set(sa_tls_t *t, void *userdata); + +#endif diff --git a/src/volscale.c b/src/volscale.c new file mode 100644 index 0000000..2075b90 --- /dev/null +++ b/src/volscale.c @@ -0,0 +1,67 @@ +#include + +#include "macro.h" +#include "volscale.h" + +static void volscale_u8(void *_dst, size_t dstr, const void *_src, size_t sstr, int32_t factor, int32_t divisor, size_t bytes) { + uint8_t *dst = _dst; + const uint8_t *src = _src; + + for (; bytes > 0; bytes --) { + int32_t t = (((int32_t) *src - 0x80) * factor) / divisor; + *dst = t < -0x80 ? 0 : (t > 0x7F ? 0xFF : (int8_t) (t+0x80)); + + src += sstr; + dst += dstr; + } +} + +static void volscale_s16(void *_dst, size_t dstr, const void *_src, size_t sstr, int32_t factor, int32_t divisor, size_t bytes) { + int16_t *dst = _dst; + const int16_t *src = _src; + unsigned n = bytes / sizeof(int16_t); + + for (; n > 0; n--) { + int32_t t = ((int32_t) *src * factor) / divisor; + *dst = t < -0x8000 ? 0x8000 : (t > 0x7FFF ? 0x7FFF : (int16_t) t); + + src += sstr / sizeof(int16_t); + dst += dstr / sizeof(int16_t); + } +} + +static void volscale_s32(void *_dst, size_t dstr, const void *_src, size_t sstr, int32_t factor, int32_t divisor, size_t bytes) { + int32_t *dst = _dst; + const int32_t *src = _src; + unsigned n = bytes / sizeof(int32_t); + + for (; n > 0; n--) { + int64_t t = ((int64_t) *src * factor) / divisor; + *dst = t < -0x80000000L ? (int32_t) 0x80000000L : (t > 0x7fffffffL ? (int32_t) 0x7fffffffL : (int32_t) t); + + src += sstr / sizeof(int32_t); + dst += dstr / sizeof(int32_t); + } +} + +static void volscale_f32(void *_dst, size_t dstr, const void *_src, size_t sstr, int32_t factor, int32_t divisor, size_t size) { + float *dst = _dst; + const float *src = _src; + float f = (float) factor / (float) divisor; + + oil_scalarmult_f32(dst, dstr, src, sstr, &f, size / sizeof(float)); +} + +sa_volscale_func_t sa_get_volscale_func(sa_pcm_format_t f) { + + static const sa_volscale_func_t funcs[_SA_PCM_FORMAT_MAX] = { + [SA_PCM_FORMAT_U8] = volscale_u8, + [SA_PCM_FORMAT_S16_NE] = volscale_s16, + [SA_PCM_FORMAT_S32_NE] = volscale_s32, + [SA_PCM_FORMAT_FLOAT32_NE] = volscale_f32 + }; + + sa_assert(f < _SA_PCM_FORMAT_MAX); + + return funcs[f]; +} diff --git a/src/volscale.h b/src/volscale.h new file mode 100644 index 0000000..fe6e037 --- /dev/null +++ b/src/volscale.h @@ -0,0 +1,13 @@ +#ifndef foosydneyvolscalehfoo +#define foosydneyvolscalehfoo + +#include +#include + +#include "sydney.h" + +typedef void (*sa_volscale_func_t) (void *dst, size_t dstr, const void *src, size_t sstr, int32_t factor, int32_t divisor, size_t bytes); + +sa_volscale_func_t sa_get_volscale_func(sa_pcm_format_t f); + +#endif diff --git a/src/zero.c b/src/zero.c new file mode 100644 index 0000000..4f477dc --- /dev/null +++ b/src/zero.c @@ -0,0 +1,53 @@ +#include + +#include "macro.h" +#include "zero.h" + +static void zero_u8(void *dst, size_t dstr, size_t bytes) { + uint8_t *d = dst; + + if (dstr == 1) + memset(dst, 0x80, bytes); + else { + for (; bytes > 0; bytes --, d += dstr) + *d = 0x80; + } +} + +static void zero_16(void *dst, size_t dstr, size_t bytes) { + uint16_t *d = dst; + unsigned n = bytes/sizeof(uint16_t); + + if (dstr == sizeof(uint16_t)) + memset(dst, 0, bytes); + else { + for (; n > 0; n --, d += dstr/sizeof(uint16_t)) + *d = 0; + } +} + +static void zero_32(void *dst, size_t dstr, size_t bytes) { + uint32_t *d = dst; + unsigned n = bytes/sizeof(float); + + if (dstr == sizeof(uint32_t)) + memset(dst, 0, bytes); + else { + for (; n > 0; n --, d += dstr/sizeof(uint32_t)) + *d = 0; + } +} + +sa_zero_func_t sa_get_zero_func(sa_pcm_format_t f) { + + static const sa_zero_func_t funcs[_SA_PCM_FORMAT_MAX] = { + [SA_PCM_FORMAT_U8] = zero_u8, + [SA_PCM_FORMAT_S16_NE] = zero_16, + [SA_PCM_FORMAT_S32_NE] = zero_32, + [SA_PCM_FORMAT_FLOAT32_NE] = zero_32 + }; + + sa_assert(f < _SA_PCM_FORMAT_MAX); + + return funcs[f]; +} diff --git a/src/zero.h b/src/zero.h new file mode 100644 index 0000000..6f59bdb --- /dev/null +++ b/src/zero.h @@ -0,0 +1,13 @@ +#ifndef foosydneyzerohfoo +#define foosydneyzerohfoo + +#include +#include + +#include "sydney.h" + +typedef void (*sa_zero_func_t) (void *dst, size_t dstr, size_t bytes); + +sa_zero_func_t sa_get_zero_func(sa_pcm_format_t f); + +#endif diff --git a/sydney.h b/sydney.h deleted file mode 100644 index 8733260..0000000 --- a/sydney.h +++ /dev/null @@ -1,375 +0,0 @@ -#ifndef foosydneyhfoo -#define foosydneyhfoo - -/* Requirements: - -- In sync mode, the device will automatically write data so that an initial read causes writes -of zeros to be issued to that one can do "while (1); {read(); write()} - -- All functions are thread-safe and can be called in any thread context. None of the functions is -async-signal safe. - -- It is assumed that duplex streams have a single clock (synchronised) -*/ - -#include -#include -#include - -/* Detect byte order, based on sys/param.h */ -#if (defined(__BYTE_ORDER) && (__BYTE_ORDER == __LITTLE_ENDIAN)) || defined(WIN32) -# define SA_LITTLE_ENDIAN 1 -# undef SA_BIG_ENDIAN -#elif (defined(__BYTE_ORDER) && (__BYTE_ORDER == __BIG_ENDIAN)) -# undef SA_LITTLE_ENDIAN -# define SA_BIG_ENDIAN 1 -#else -# error "Cannot determine byte order!" -#endif - -typedef struct sa_stream sa_stream_t; - -/** Volume that corresponds to muted in/out */ -#define SA_VOLUME_MUTED ((int32_t) (-0x80000000)) - -/** Ways to express seek offsets for pread/pwrite */ -typedef enum { - SA_SEEK_RELATIVE, - SA_SEEK_ABSOLUTE, - SA_SEEK_RELATIVE_END, - _SA_SEEK_MAX -} sa_seek_t; - -/** Supported formats */ -typedef enum { - SA_PCM_FORMAT_U8, - SA_PCM_FORMAT_ULAW, - SA_PCM_FORMAT_ALAW, - SA_PCM_FORMAT_S16_LE, - SA_PCM_FORMAT_S16_BE, - SA_PCM_FORMAT_S24_LE, - SA_PCM_FORMAT_S24_BE, - SA_PCM_FORMAT_S32_LE, - SA_PCM_FORMAT_S32_BE, - SA_PCM_FORMAT_FLOAT32_LE, - SA_PCM_FORMAT_FLOAT32_BE, - _SA_PCM_FORMAT_MAX -} sa_pcm_format_t; - -/* Native/reverse endianness definitions for PCM */ -#ifdef SA_LITTLE_ENDIAN -#define SA_PCM_FORMAT_S16_NE SA_PCM_FORMAT_S16_LE -#define SA_PCM_FORMAT_S24_NE SA_PCM_FORMAT_S24_LE -#define SA_PCM_FORMAT_S32_NE SA_PCM_FORMAT_S32_LE -#define SA_PCM_FORMAT_FLOAT32_NE SA_PCM_FORMAT_FLOAT32_LE -#define SA_PCM_FORMAT_S16_RE SA_PCM_FORMAT_S16_BE -#define SA_PCM_FORMAT_S24_RE SA_PCM_FORMAT_S24_BE -#define SA_PCM_FORMAT_S32_RE SA_PCM_FORMAT_S32_BE -#define SA_PCM_FORMAT_FLOAT32_RE SA_PCM_FORMAT_FLOAT32_BE -#else -#define SA_PCM_FORMAT_S16_NE SA_PCM_FORMAT_S16_BE -#define SA_PCM_FORMAT_S24_NE SA_PCM_FORMAT_S24_BE -#define SA_PCM_FORMAT_S32_NE SA_PCM_FORMAT_S32_BE -#define SA_PCM_FORMAT_FLOAT32_NE SA_PCM_FORMAT_FLOAT32_BE -#define SA_PCM_FORMAT_S16_RE SA_PCM_FORMAT_S16_LE -#define SA_PCM_FORMAT_S24_RE SA_PCM_FORMAT_S24_LE -#define SA_PCM_FORMAT_S32_RE SA_PCM_FORMAT_S32_LE -#define SA_PCM_FORMAT_FLOAT32_RE SA_PCM_FORMAT_FLOAT32_LE -#endif - -#define SA_CODEC_MPEG "mpeg" -#define SA_CODEC_AC3 "ac3" -#define SA_CODEC_GSM "gsm" -#define SA_CODEC_VORBIS "vorbis" -#define SA_CODEC_SPEEX "speex" - -/** Device opening modes */ -typedef enum { - SA_MODE_WRONLY = 1, - SA_MODE_RDONLY = 2, - SA_MODE_RDWR = 3, - _SA_MODE_MAX = 4, -} sa_mode_t; - -/** Error codes */ -typedef enum { - SA_SUCCESS = 0, - SA_ERROR_NOT_SUPPORTED = -1, - SA_ERROR_INVALID = -2, - SA_ERROR_STATE = -3, - SA_ERROR_OOM = -4, - SA_ERROR_NO_DEVICE = -5, - SA_ERROR_NO_DRIVER = -6, - SA_ERROR_NO_CODEC = -7, - SA_ERROR_NO_PCM_FORMAT = -7, - SA_ERROR_SYSTEM = -8, - SA_ERROR_NO_INIT = -9, - SA_ERROR_NO_META = -10, - SA_ERROR_NO_DATA = -11, - SA_ERROR_NO_SPACE = -12, - _SA_ERROR_MAX = -13 -} sa_error_t; - -/** Possible events for notifications */ -typedef enum { - SA_NOTIFY_REQUEST_START, - SA_NOTIFY_REQUEST_STOP, - SA_NOTIFY_CHANGED_READ_VOLUME, - SA_NOTIFY_CHANGED_WRITE_VOLUME, - SA_NOTIFY_CHANGED_DEVICE, - _SA_NOTIFY_MAX -} sa_notify_t; - -/** Classes of events */ -typedef enum { - SA_EVENT_REQUEST_IO, - SA_EVENT_INIT_THREAD, - SA_EVENT_NOTIFY, - SA_EVENT_ERROR, - _SA_EVENT_MAX -} sa_event_t; - -/** List of sample position queries */ -typedef enum { - SA_POSITION_WRITE_DELAY, - SA_POSITION_WRITE_HARDWARE, - SA_POSITION_WRITE_SOFTWARE, - SA_POSITION_READ_DELAY, - SA_POSITION_READ_HARDWARE, - SA_POSITION_READ_SOFTWARE, - SA_POSITION_DUPLEX_DELAY, - _SA_POSITION_MAX -} sa_position_t; - -/* Channel positions */ -typedef enum { - SA_CHANNEL_MONO, - SA_CHANNEL_LEFT, - SA_CHANNEL_RIGHT, - SA_CHANNEL_CENTER, - SA_CHANNEL_FRONT_LEFT, - SA_CHANNEL_FRONT_RIGHT, - SA_CHANNEL_FRONT_CENTER, - SA_CHANNEL_REAR_LEFT, - SA_CHANNEL_REAR_RIGHT, - SA_CHANNEL_REAR_CENTER, - SA_CHANNEL_LFE, - SA_CHANNEL_FRONT_LEFT_OF_CENTER, - SA_CHANNEL_FRONT_RIGHT_OF_CENTER, - SA_CHANNEL_SIDE_LEFT, - SA_CHANNEL_SIDE_RIGHT, - SA_CHANNEL_TOP_CENTER, - SA_CHANNEL_TOP_FRONT_LEFT, - SA_CHANNEL_TOP_FRONT_RIGHT, - SA_CHANNEL_TOP_FRONT_CENTER, - SA_CHANNEL_TOP_REAR_LEFT, - SA_CHANNEL_TOP_REAR_RIGHT, - SA_CHANNEL_TOP_REAR_CENTER, - SA_CHANNEL_AUX0, - SA_CHANNEL_AUX1, - SA_CHANNEL_AUX2, - SA_CHANNEL_AUX3, - SA_CHANNEL_AUX4, - SA_CHANNEL_AUX5, - SA_CHANNEL_AUX6, - SA_CHANNEL_AUX7, - SA_CHANNEL_AUX8, - SA_CHANNEL_AUX9, - SA_CHANNEL_AUX10, - SA_CHANNEL_AUX11, - SA_CHANNEL_AUX12, - SA_CHANNEL_AUX13, - SA_CHANNEL_AUX14, - SA_CHANNEL_AUX15, - SA_CHANNEL_AUX16, - SA_CHANNEL_AUX17, - SA_CHANNEL_AUX18, - SA_CHANNEL_AUX19, - SA_CHANNEL_AUX20, - SA_CHANNEL_AUX21, - SA_CHANNEL_AUX22, - SA_CHANNEL_AUX23, - SA_CHANNEL_AUX24, - SA_CHANNEL_AUX25, - SA_CHANNEL_AUX26, - SA_CHANNEL_AUX27, - SA_CHANNEL_AUX28, - SA_CHANNEL_AUX29, - SA_CHANNEL_AUX30, - SA_CHANNEL_AUX31, - _SA_CHANNEL_MAX -} sa_channel_t; - -typedef enum { - SA_STATE_INIT, - SA_STATE_RUNNING, - SA_STATE_STOPPED, - /* put more stuff */ - _SA_STATE_MAX, -} sa_state_t; - -typedef enum { - SA_XRUN_MODE_STOP, - SA_XRUN_MODE_SPIN, - _SA_XRUN_MODE_MAX -} sa_xrun_mode_t; - -typedef enum { - SA_ADJUST_UP = 1, - SA_ADJUST_DOWN = -1, - SA_ADJUST_NONE = 0, -} sa_adjust_t; - -/* Some kind of meta information. */ -#define SA_META_CLIENT_NAME "sydney.client-name" /* utf-8 */ -#define SA_META_PROCESS_ID "sydney.process-id" /* getpid() */ -#define SA_META_LANGUAGE "sydney.language" /* de_DE and similar */ - -/* Some kind of meta information. Not filled in */ -#define SA_META_STREAM_NAME "sydney.stream-name" /* utf-8 */ -#define SA_META_ICON_NAME "sydney.icon-name" /* file name (no slashes) */ -#define SA_META_ICON_PNG "sydney.icon-png" /* PNG blob */ -#define SA_META_ROLE "sydney.role" /* one of: "music", "phone", "game", "event" */ -#define SA_META_X11_DISPLAY "sydney.x11-display" /* X11 display */ -#define SA_META_X11_WINDOW "sydney.x11-window" /* X11 window id */ - -/** Main callback function */ -typedef int (*sa_event_callback_t)(sa_stream_t *s, sa_event_t event); - -/** Create an opaque (e.g. AC3) codec stream */ -int sa_stream_create_opaque(sa_stream_t **s, const char *client_name, sa_mode_t mode, const char *codec); - -/** Normal way to open a PCM device */ -int sa_stream_create_pcm(sa_stream_t **s, const char *client_name, sa_mode_t mode, sa_pcm_format_t format, unsigned rate, unsigned nchannels); - -/** Initialise the device */ -int sa_stream_open(sa_stream_t *s); - -/** Close/destroy everything */ -int sa_stream_destroy(sa_stream_t *s); - -/* "Soft" params */ -int sa_stream_set_write_lower_watermark(sa_stream_t *s, size_t size); -int sa_stream_set_read_lower_watermark(sa_stream_t *s, size_t size); -int sa_stream_set_write_user_size(sa_stream_t *s, size_t size); -int sa_stream_set_read_user_size(sa_stream_t *s, size_t size); - -/** Set the mapping between channels and the loudspeakers */ -int sa_stream_set_channel_map(sa_stream_t *s, const sa_channel_t map[], unsigned n); - -/** Whether xruns cause the card to reset */ -int sa_stream_set_xrun_mode(sa_stream_t *s, sa_xrun_mode_t mode); - -/** Set the device to non-interleaved mode */ -int sa_stream_set_non_interleaved(sa_stream_t *s, int enable); - -/** Select driver */ -int sa_stream_set_driver(sa_stream_t *s, const char *driver); - -/** Start callback */ -int sa_stream_start_thread(sa_stream_t *s, sa_event_callback_t callback); - -/** Start callback */ -int sa_stream_stop_thread(sa_stream_t *s); - -/** Change the device connected to the stream */ -int sa_stream_change_device(sa_stream_t *s, const char *device_name); - -/** volume in hundreths of dB*/ -int sa_stream_change_read_volume(sa_stream_t *s, const int32_t vol[], unsigned n); - -/** volume in hundreths of dB*/ -int sa_stream_change_write_volume(sa_stream_t *s, const int32_t vol[], unsigned n); - -/** Change the sampling rate */ -int sa_stream_change_rate(sa_stream_t *s, unsigned rate); - -/** Change some meta data that is attached to the stream */ -int sa_stream_change_meta_data(sa_stream_t *s, const char *name, const void *data, size_t size); - -/** Associate opaque user data */ -int sa_stream_change_user_data(sa_stream_t *s, const void *value); - -/* Hardware-related. This is implementation-specific and hardware specific. */ -int sa_stream_set_adjust_rate(sa_stream_t *s, sa_adjust_t direction); -int sa_stream_set_adjust_nchannels(sa_stream_t *s, sa_adjust_t direction); -int sa_stream_set_adjust_pcm_format(sa_stream_t *s, sa_adjust_t direction); -int sa_stream_set_adjust_watermarks(sa_stream_t *s, sa_adjust_t direction); - -/* Query functions */ - -int sa_stream_get_mode(sa_stream_t *s, sa_mode_t *access_mode); -int sa_stream_get_codec(sa_stream_t *s, char *codec, size_t *size); -int sa_stream_get_pcm_format(sa_stream_t *s, sa_pcm_format_t *format); -int sa_stream_get_rate(sa_stream_t *s, unsigned *rate); -int sa_stream_get_nchannels(sa_stream_t *s, int *nchannels); -int sa_stream_get_user_data(sa_stream_t *s, void **value); -int sa_stream_get_write_lower_watermark(sa_stream_t *s, size_t *size); -int sa_stream_get_read_lower_watermark(sa_stream_t *s, size_t *size); -int sa_stream_get_write_upper_watermark(sa_stream_t *s, size_t *size); -int sa_stream_get_read_upper_watermark(sa_stream_t *s, size_t *size); -int sa_stream_get_channel_map(sa_stream_t *s, sa_channel_t map[], unsigned *n); -int sa_stream_get_xrun_mode(sa_stream_t *s, sa_xrun_mode_t *mode); -int sa_stream_get_non_interleaved(sa_stream_t *s, int *enabled); -int sa_stream_get_dynamic_rate(sa_stream_t *s, int *enabled); -int sa_stream_get_driver(sa_stream_t *s, char *driver_name, size_t *size); -int sa_stream_get_device(sa_stream_t *s, char *device_name, size_t *size); -int sa_stream_get_read_volume(sa_stream_t *s, int32_t vol[], unsigned *n); -int sa_stream_get_write_volume(sa_stream_t *s, int32_t vol[], unsigned *n); -int sa_stream_get_meta_data(sa_stream_t *s, const char *name, void*data, size_t *size); -int sa_stream_get_adjust_rate(sa_stream_t *s, sa_adjust_t *direction); -int sa_stream_get_adjust_nchannels(sa_stream_t *s, sa_adjust_t *direction); -int sa_stream_get_adjust_pcm_format(sa_stream_t *s, sa_adjust_t *direction); -int sa_stream_get_adjust_watermarks(sa_stream_t *s, sa_adjust_t *direction); - -/** Get current state of the audio device */ -int sa_stream_get_state(sa_stream_t *s, sa_state_t *state); - -/** Obtain the error code */ -int sa_stream_get_event_error(sa_stream_t *s, sa_error_t *error); - -/** Obtain the notification code */ -int sa_stream_get_event_notify(sa_stream_t *s, sa_notify_t *notify); - -/** sync/timing */ -int sa_stream_get_position(sa_stream_t *s, sa_position_t position, int64_t *pos); - - -/* Blocking IO calls */ - -/** Interleaved capture function */ -int sa_stream_read(sa_stream_t *s, void *data, size_t nbytes); -/** Non-interleaved capture function */ -int sa_stream_read_ni(sa_stream_t *s, unsigned channel, void *data, size_t nbytes); - -/** Interleaved playback function */ -int sa_stream_write(sa_stream_t *s, const void *data, size_t nbytes); -/** Non-interleaved playback function */ -int sa_stream_write_ni(sa_stream_t *s, unsigned channel, const void *data, size_t nbytes); -/** Interleaved playback function with seek offset */ -int sa_stream_pwrite(sa_stream_t *s, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence); -/** Non-interleaved playback function with seek offset */ -int sa_stream_pwrite_ni(sa_stream_t *s, unsigned channel, const void *data, size_t nbytes, int64_t offset, sa_seek_t whence); - - -/** Query how much can be read without blocking */ -int sa_stream_get_read_size(sa_stream_t *s, size_t *size); -/** Query how much can be written without blocking */ -int sa_stream_get_write_size(sa_stream_t *s, size_t *size); - - -/* Control/xrun */ - -/** Resume playing after a pause */ -int sa_stream_resume(sa_stream_t *s); - -/** Pause audio playback (do not empty the buffer) */ -int sa_stream_pause(sa_stream_t *s); - -/** Block until all audio has been played */ -int sa_stream_drain(sa_stream_t *s); - -/** Return a human readable error */ -const char *sa_strerror(int code); - -#endif diff --git a/test-asyncq.c b/test-asyncq.c deleted file mode 100644 index 26dbc55..0000000 --- a/test-asyncq.c +++ /dev/null @@ -1,62 +0,0 @@ -#include - -#include "asyncq.h" -#include "thread.h" -#include "macro.h" - -#define ITERATIONS_MAX 1000 - -static void thread(void *userdata) { - sa_asyncq_t *q = userdata; - int i; - - for (i = 0; i < ITERATIONS_MAX; i++) { - sa_asyncq_item_t *i; - - i = sa_asyncq_get(q); - sa_assert(i); - - sa_asyncq_push(q, i); - - if (rand() & 1) - sa_thread_yield(); - } -} - -int main(int argc, char *argv[]) { - int j; - sa_thread_t *t; - sa_asyncq_t q; - sa_asyncq_item_t *i; - - sa_assert_success(sa_asyncq_init(&q)); - - t = sa_thread_new(thread, &q); - sa_assert(t); - - for (j = 0; j < ITERATIONS_MAX; j++) { - - do { - i = sa_asyncq_pop(&q, 0); - printf("%s ", i ? "gotcha" : "miss"); - - if (i) - sa_asyncq_recycle(&q, i); - } while (i); - - if (rand() & 1) - sa_thread_yield(); - } - - printf("\n"); - - sa_thread_free(t); - - while (sa_asyncq_pop(&q, 1)) - ; - - sa_asyncq_done(&q); - - - return 0; -} diff --git a/test-bufferq.c b/test-bufferq.c deleted file mode 100644 index 45d65eb..0000000 --- a/test-bufferq.c +++ /dev/null @@ -1,42 +0,0 @@ -#include "bufferq.h" -#include "malloc.h" - -int main(int argc, char *argv[]) { - - sa_bufferq_t q; - - sa_bufferq_init(&q, 1, 1); - - sa_bufferq_push(&q, 0, "{AAAAAAAA}", 10, 0, SA_SEEK_RELATIVE, SA_BUFFERQ_ITEM_STATIC); - sa_bufferq_push(&q, 0, "", 10, 5, SA_SEEK_RELATIVE, SA_BUFFERQ_ITEM_STATIC); - sa_bufferq_push(&q, 0, "[CCCC]", 6, -18, SA_SEEK_RELATIVE, SA_BUFFERQ_ITEM_STATIC); - sa_bufferq_push(&q, 0, "(DDDD)", 6, -3, SA_SEEK_ABSOLUTE, SA_BUFFERQ_ITEM_STATIC); - sa_bufferq_push(&q, 0, sa_strdup("XXX"), 3, 10, SA_SEEK_RELATIVE_END, SA_BUFFERQ_ITEM_DYNAMIC); - sa_bufferq_push(&q, 0, "YYYYY", 5, -4, SA_SEEK_RELATIVE, SA_BUFFERQ_ITEM_CONCATENATED); - - sa_bufferq_realloc(&q); - - for (;;) { - void *b[1]; - size_t size; - - sa_bufferq_get(&q, b, &size); - - if (size == 0) - break; - - printf("Got %u bytes: ", size); - if (b[0]) - fwrite(b[0], size, 1, stdout); - else - printf("empty"); - - printf("\n"); - - sa_bufferq_drop(&q, size); - } - - sa_bufferq_done(&q); - - return 0; -} diff --git a/test-llist.c b/test-llist.c deleted file mode 100644 index 2059ef8..0000000 --- a/test-llist.c +++ /dev/null @@ -1,34 +0,0 @@ -#include "llist.h" - -struct foobar { - SA_LLIST_ITEM(struct foobar, list); -}; - - -static SA_LLIST_HEAD(struct foobar, list); - -int main(int argc, char *argv[]) { - struct foobar a, b, c; - - SA_LLIST_HEAD_INIT(struct foobar, list); - - SA_LLIST_ITEM_INIT(struct foobar, list, &a); - SA_LLIST_ITEM_INIT(struct foobar, list, &b); - SA_LLIST_ITEM_INIT(struct foobar, list, &c); - - SA_LLIST_PREPEND(struct foobar, list, list, &a); - SA_LLIST_INSERT_BEFORE(struct foobar, list, list, &a, &b); - SA_LLIST_INSERT_AFTER(struct foobar, list, list, &a, &c); - - sa_assert(list == &b); - sa_assert(list->list_next == &a); - sa_assert(list->list_next->list_next == &c); - - SA_LLIST_REMOVE(struct foobar, list, list, &a); - SA_LLIST_REMOVE(struct foobar, list, list, &b); - SA_LLIST_REMOVE(struct foobar, list, list, &c); - - sa_assert(!list); - - return 0; -} diff --git a/test-pull.c b/test-pull.c deleted file mode 100644 index 7f93906..0000000 --- a/test-pull.c +++ /dev/null @@ -1,73 +0,0 @@ -#include -#include -#include -#include -#include - -#include "sydney.h" -#include "macro.h" - -#define ASSERT_SUCCESS(x) do { \ - int _r; \ - if ((_r = x)) { \ - fprintf(stderr, "Operation <%s> failed: %s%s%s\n", \ - #x, \ - sa_strerror(_r), \ - _r == SA_ERROR_SYSTEM ? "; " : "", _r == SA_ERROR_SYSTEM ? strerror(errno) : ""); \ - } \ - assert(_r == SA_SUCCESS); \ -} while(0) - -#define FREQ 440 - -static const float data[4] = { 0.0, 1.0, 0.0, -1.0 }; - -static int callback(sa_stream_t *s, sa_event_t e) { - switch (e) { - case SA_EVENT_INIT_THREAD: - printf("Thread initialized.\n"); - return 0; - - case SA_EVENT_ERROR: { - int e; - ASSERT_SUCCESS(sa_stream_get_event_error(s, &e)); - printf("Error: %s\n", sa_strerror(e)); - return -1; - } - - case SA_EVENT_NOTIFY: - printf("Notified.\n"); - return 0; - - case SA_EVENT_REQUEST_IO: - - ASSERT_SUCCESS(sa_stream_write(s, data, sizeof(data))); - return 0; - - case _SA_EVENT_MAX: - ; - } - - sa_assert_not_reached(); -} - -int main(int argc, char *argv[]) { - - sa_stream_t *s; - - ASSERT_SUCCESS(sa_stream_create_pcm(&s, "Sine Test (pull)", SA_MODE_WRONLY, SA_PCM_FORMAT_FLOAT32_NE, FREQ * 4, 1)); - ASSERT_SUCCESS(sa_stream_change_device(s, "/dev/dsp1")); - ASSERT_SUCCESS(sa_stream_open(s)); - - ASSERT_SUCCESS(sa_stream_start_thread(s, callback)); - - sleep(20); - - ASSERT_SUCCESS(sa_stream_stop_thread(s)); - - ASSERT_SUCCESS(sa_stream_drain(s)); - - ASSERT_SUCCESS(sa_stream_destroy(s)); - - return 0; -} diff --git a/test-sine.c b/test-sine.c deleted file mode 100644 index 07f3868..0000000 --- a/test-sine.c +++ /dev/null @@ -1,51 +0,0 @@ -#include -#include -#include -#include - -#include "sydney.h" - -#define ASSERT_SUCCESS(x) do { \ - int _r; \ - if ((_r = x)) { \ - fprintf(stderr, "Operation <%s> failed: %s%s%s\n", \ - #x, \ - sa_strerror(_r), \ - _r == SA_ERROR_SYSTEM ? "; " : "", _r == SA_ERROR_SYSTEM ? strerror(errno) : ""); \ - } \ - assert(_r == SA_SUCCESS); \ -} while(0) - -#define FREQ 440 - -int main(int argc, char *argv[]) { - - sa_stream_t *s; - float data[4] = { 0.0, 1.0, 0.0, -1.0 }; - int i, j; - - ASSERT_SUCCESS(sa_stream_create_pcm(&s, "Sine Test", SA_MODE_WRONLY, SA_PCM_FORMAT_FLOAT32_NE, FREQ * 4, 1)); - ASSERT_SUCCESS(sa_stream_change_device(s, "/dev/dsp1")); - ASSERT_SUCCESS(sa_stream_set_dynamic_rate(s, 1)); - sa_stream_change_meta_data(s, SA_META_CLIENT_NAME, argv[0], strlen(argv[0])); - ASSERT_SUCCESS(sa_stream_open(s)); - - for (j = 0; j < 10; j++) { - int v; - - v = -j*500; - -/* ASSERT_SUCCESS(sa_stream_change_rate(dev, FREQ*4+100*j)); */ - ASSERT_SUCCESS(sa_stream_change_write_volume(s, &v, 1)); - - for (i = 0; i < FREQ; i++) - ASSERT_SUCCESS(sa_stream_write(s, data, sizeof(data))); - } - - - ASSERT_SUCCESS(sa_stream_drain(s)); - - ASSERT_SUCCESS(sa_stream_destroy(s)); - - return 0; -} diff --git a/thread.c b/thread.c deleted file mode 100644 index 26deccb..0000000 --- a/thread.c +++ /dev/null @@ -1,214 +0,0 @@ -#ifdef HAVE_CONFIG_H -#include -#endif - -#include -#include -#include - -#include "thread.h" -#include "malloc.h" -#include "once.h" -#include "macro.h" - -struct sa_thread { - pthread_t id; - sa_thread_func_t thread_func; - void *userdata; - int running; - pthread_mutex_t running_mutex; -}; - -struct sa_tls { - pthread_key_t key; -}; - -static sa_tls_t *thread_tls; -static sa_once_t thread_tls_once = SA_ONCE_INIT; - -static void tls_free_cb(void *p) { - sa_thread_t *t = p; - - sa_assert(t); - - if (!t->thread_func) - /* This is a foreign thread, we need to free the struct */ - sa_free(t); -} - -static void thread_tls_once_func(void) { - thread_tls = sa_tls_new(tls_free_cb); -} - -static void* internal_thread_func(void *userdata) { - sa_thread_t *t = userdata; - sa_assert(t); - - t->id = pthread_self(); - sa_tls_set(thread_tls, t); - - t->thread_func(t->userdata); - - sa_assert_success(pthread_mutex_lock(&t->running_mutex)); - t->running = 0; - sa_assert_success(pthread_mutex_unlock(&t->running_mutex)); - - return NULL; -} - -sa_thread_t* sa_thread_new(sa_thread_func_t thread_func, void *userdata) { - sa_thread_t *t; - - sa_assert(thread_func); - - if (sa_once(&thread_tls_once, thread_tls_once_func) < 0 || !thread_tls) - return NULL; - - if (!(t = sa_new(sa_thread_t, 1))) - return NULL; - - t->thread_func = thread_func; - t->userdata = userdata; - - sa_assert_success(pthread_mutex_init(&t->running_mutex, NULL)); - t->running = 1; - - if (pthread_create(&t->id, NULL, internal_thread_func, t) < 0) { - sa_assert_success(pthread_mutex_destroy(&t->running_mutex)); - sa_free(t); - return NULL; - } - - return t; -} - -int sa_thread_is_running(sa_thread_t *t) { - int b; - sa_assert(t); - - if (!t->thread_func) { - /* Mhmm, this is a foreign thread, t->running is not - * necessarily valid. We misuse pthread_getschedparam() to - * check if the thread is valid. This might not be portable. */ - - int policy; - struct sched_param param; - - return pthread_getschedparam(t->id, &policy, ¶m) >= 0 || errno != ESRCH; - } - - sa_assert_success(pthread_mutex_lock(&t->running_mutex)); - b = t->running; - sa_assert_success(pthread_mutex_unlock(&t->running_mutex)); - - return !!b; -} - -void sa_thread_free(sa_thread_t *t) { - sa_assert(t); - - sa_thread_join(t); - sa_assert_success(pthread_mutex_destroy(&t->running_mutex)); - sa_free(t); -} - -int sa_thread_join(sa_thread_t *t) { - sa_assert(t); - - return pthread_join(t->id, NULL); -} - -sa_thread_t* sa_thread_self(void) { - sa_thread_t *t; - - if (sa_once(&thread_tls_once, thread_tls_once_func) < 0 || !thread_tls) - return NULL; - - if ((t = sa_tls_get(thread_tls))) - return t; - - /* This is a foreign thread, let's create a pthread structure to - * make sure that we can always return a sensible pointer */ - - if (!(t = sa_new(sa_thread_t, 1))) - return NULL; - - t->id = pthread_self(); - t->thread_func = NULL; - t->userdata = NULL; - t->running = 1; - - sa_tls_set(thread_tls, t); - - return t; -} - -int sa_thread_is_self(sa_thread_t *t) { - sa_thread_t *c; - sa_assert(t); - - if (sa_once(&thread_tls_once, thread_tls_once_func) < 0 || !thread_tls) - return 0; - - if ((c = sa_tls_get(thread_tls))) - return c == t; - - return 0; -} - - -void* sa_thread_get_data(sa_thread_t *t) { - sa_assert(t); - - return t->userdata; -} - -void sa_thread_set_data(sa_thread_t *t, void *userdata) { - sa_assert(t); - - t->userdata = userdata; -} - -void sa_thread_yield(void) { -#ifdef HAVE_PTHREAD_YIELD - pthread_yield(); -#else - sa_assert_success(sched_yield()); -#endif -} - -sa_tls_t* sa_tls_new(sa_free_func_t free_cb) { - sa_tls_t *t; - - if (!(t = sa_new(sa_tls_t, 1))) - return NULL; - - if (pthread_key_create(&t->key, free_cb) < 0) { - sa_free(t); - return NULL; - } - - return t; -} - -void sa_tls_free(sa_tls_t *t) { - sa_assert(t); - - sa_assert_success(pthread_key_delete(t->key)); - sa_free(t); -} - -void *sa_tls_get(sa_tls_t *t) { - sa_assert(t); - - return pthread_getspecific(t->key); -} - -void *sa_tls_set(sa_tls_t *t, void *userdata) { - void *r; - - r = pthread_getspecific(t->key); - sa_assert_success(pthread_setspecific(t->key, userdata)); - return r; -} - diff --git a/thread.h b/thread.h deleted file mode 100644 index ddd2604..0000000 --- a/thread.h +++ /dev/null @@ -1,28 +0,0 @@ -#ifndef foosydneythreadhfoo -#define foosydneythreadhfoo - -typedef struct sa_thread sa_thread_t; - -typedef void (*sa_thread_func_t) (void *userdata); - -sa_thread_t* sa_thread_new(sa_thread_func_t sa_thread_func, void *userdata); -void sa_thread_free(sa_thread_t *t); -int sa_thread_join(sa_thread_t *t); -int sa_thread_is_running(sa_thread_t *t); -sa_thread_t *sa_thread_self(void); -void sa_thread_yield(void); -int sa_thread_is_self(sa_thread_t *t); - -void* sa_thread_get_data(sa_thread_t *t); -void sa_thread_set_data(sa_thread_t *t, void *userdata); - -typedef struct sa_tls sa_tls_t; - -typedef void (*sa_free_func_t) (void *data); - -sa_tls_t* sa_tls_new(sa_free_func_t f); -void sa_tls_free(sa_tls_t *t); -void * sa_tls_get(sa_tls_t *t); -void *sa_tls_set(sa_tls_t *t, void *userdata); - -#endif diff --git a/volscale.c b/volscale.c deleted file mode 100644 index 2075b90..0000000 --- a/volscale.c +++ /dev/null @@ -1,67 +0,0 @@ -#include - -#include "macro.h" -#include "volscale.h" - -static void volscale_u8(void *_dst, size_t dstr, const void *_src, size_t sstr, int32_t factor, int32_t divisor, size_t bytes) { - uint8_t *dst = _dst; - const uint8_t *src = _src; - - for (; bytes > 0; bytes --) { - int32_t t = (((int32_t) *src - 0x80) * factor) / divisor; - *dst = t < -0x80 ? 0 : (t > 0x7F ? 0xFF : (int8_t) (t+0x80)); - - src += sstr; - dst += dstr; - } -} - -static void volscale_s16(void *_dst, size_t dstr, const void *_src, size_t sstr, int32_t factor, int32_t divisor, size_t bytes) { - int16_t *dst = _dst; - const int16_t *src = _src; - unsigned n = bytes / sizeof(int16_t); - - for (; n > 0; n--) { - int32_t t = ((int32_t) *src * factor) / divisor; - *dst = t < -0x8000 ? 0x8000 : (t > 0x7FFF ? 0x7FFF : (int16_t) t); - - src += sstr / sizeof(int16_t); - dst += dstr / sizeof(int16_t); - } -} - -static void volscale_s32(void *_dst, size_t dstr, const void *_src, size_t sstr, int32_t factor, int32_t divisor, size_t bytes) { - int32_t *dst = _dst; - const int32_t *src = _src; - unsigned n = bytes / sizeof(int32_t); - - for (; n > 0; n--) { - int64_t t = ((int64_t) *src * factor) / divisor; - *dst = t < -0x80000000L ? (int32_t) 0x80000000L : (t > 0x7fffffffL ? (int32_t) 0x7fffffffL : (int32_t) t); - - src += sstr / sizeof(int32_t); - dst += dstr / sizeof(int32_t); - } -} - -static void volscale_f32(void *_dst, size_t dstr, const void *_src, size_t sstr, int32_t factor, int32_t divisor, size_t size) { - float *dst = _dst; - const float *src = _src; - float f = (float) factor / (float) divisor; - - oil_scalarmult_f32(dst, dstr, src, sstr, &f, size / sizeof(float)); -} - -sa_volscale_func_t sa_get_volscale_func(sa_pcm_format_t f) { - - static const sa_volscale_func_t funcs[_SA_PCM_FORMAT_MAX] = { - [SA_PCM_FORMAT_U8] = volscale_u8, - [SA_PCM_FORMAT_S16_NE] = volscale_s16, - [SA_PCM_FORMAT_S32_NE] = volscale_s32, - [SA_PCM_FORMAT_FLOAT32_NE] = volscale_f32 - }; - - sa_assert(f < _SA_PCM_FORMAT_MAX); - - return funcs[f]; -} diff --git a/volscale.h b/volscale.h deleted file mode 100644 index fe6e037..0000000 --- a/volscale.h +++ /dev/null @@ -1,13 +0,0 @@ -#ifndef foosydneyvolscalehfoo -#define foosydneyvolscalehfoo - -#include -#include - -#include "sydney.h" - -typedef void (*sa_volscale_func_t) (void *dst, size_t dstr, const void *src, size_t sstr, int32_t factor, int32_t divisor, size_t bytes); - -sa_volscale_func_t sa_get_volscale_func(sa_pcm_format_t f); - -#endif diff --git a/zero.c b/zero.c deleted file mode 100644 index 4f477dc..0000000 --- a/zero.c +++ /dev/null @@ -1,53 +0,0 @@ -#include - -#include "macro.h" -#include "zero.h" - -static void zero_u8(void *dst, size_t dstr, size_t bytes) { - uint8_t *d = dst; - - if (dstr == 1) - memset(dst, 0x80, bytes); - else { - for (; bytes > 0; bytes --, d += dstr) - *d = 0x80; - } -} - -static void zero_16(void *dst, size_t dstr, size_t bytes) { - uint16_t *d = dst; - unsigned n = bytes/sizeof(uint16_t); - - if (dstr == sizeof(uint16_t)) - memset(dst, 0, bytes); - else { - for (; n > 0; n --, d += dstr/sizeof(uint16_t)) - *d = 0; - } -} - -static void zero_32(void *dst, size_t dstr, size_t bytes) { - uint32_t *d = dst; - unsigned n = bytes/sizeof(float); - - if (dstr == sizeof(uint32_t)) - memset(dst, 0, bytes); - else { - for (; n > 0; n --, d += dstr/sizeof(uint32_t)) - *d = 0; - } -} - -sa_zero_func_t sa_get_zero_func(sa_pcm_format_t f) { - - static const sa_zero_func_t funcs[_SA_PCM_FORMAT_MAX] = { - [SA_PCM_FORMAT_U8] = zero_u8, - [SA_PCM_FORMAT_S16_NE] = zero_16, - [SA_PCM_FORMAT_S32_NE] = zero_32, - [SA_PCM_FORMAT_FLOAT32_NE] = zero_32 - }; - - sa_assert(f < _SA_PCM_FORMAT_MAX); - - return funcs[f]; -} diff --git a/zero.h b/zero.h deleted file mode 100644 index 6f59bdb..0000000 --- a/zero.h +++ /dev/null @@ -1,13 +0,0 @@ -#ifndef foosydneyzerohfoo -#define foosydneyzerohfoo - -#include -#include - -#include "sydney.h" - -typedef void (*sa_zero_func_t) (void *dst, size_t dstr, size_t bytes); - -sa_zero_func_t sa_get_zero_func(sa_pcm_format_t f); - -#endif -- cgit