diff options
Diffstat (limited to 'src')
52 files changed, 10119 insertions, 0 deletions
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 <liboil/liboil.h> + +#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 <sys/types.h> +#include <inttypes.h> + +#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 <sys/types.h> + +#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 <sys/types.h> + +/* 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 <string.h> + +#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 <inttypes.h> + +#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 <inttypes.h> + +#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 <sys/types.h> + +#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 <string.h> +#include <errno.h> +#include <liboil/liboil.h> + +#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 <terra@gnome.org> + */ + +#include <stdio.h> +#include <limits.h> + +#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 <math.h> +#include <string.h> + +#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 <inttypes.h> +#include <sys/types.h> + +#include <liboil/liboil.h> + +#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 <sys/types.h> + +#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,
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+ 0x1e, 0x1e, 0x1e, 0x1e, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f,
+ 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1c, 0x1c, 0x1c, 0x1c,
+ 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c,
+ 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d,
+ 0x1d, 0x1d, 0x1d, 0x1d, 0x12, 0x12, 0x12, 0x12, 0x12, 0x12, 0x12, 0x12,
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+ 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13,
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+ 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x16, 0x16, 0x16, 0x16,
+ 0x16, 0x16, 0x16, 0x16, 0x16, 0x16, 0x16, 0x16, 0x16, 0x16, 0x16, 0x16,
+ 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17,
+ 0x17, 0x17, 0x17, 0x17, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14,
+ 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x15, 0x15, 0x15, 0x15,
+ 0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15,
+ 0x6a, 0x6a, 0x6a, 0x6a, 0x6a, 0x6a, 0x6a, 0x6a, 0x6b, 0x6b, 0x6b, 0x6b,
+ 0x6b, 0x6b, 0x6b, 0x6b, 0x68, 0x68, 0x68, 0x68, 0x68, 0x68, 0x68, 0x68,
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+ 0x60, 0x60, 0x60, 0x60, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61,
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+ 0x7e, 0x7e, 0x7e, 0x7e, 0x7f, 0x7f, 0x7f, 0x7f, 0x7c, 0x7c, 0x7c, 0x7c,
+ 0x7d, 0x7d, 0x7d, 0x7d, 0x72, 0x72, 0x72, 0x72, 0x73, 0x73, 0x73, 0x73,
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+ 0x77, 0x77, 0x77, 0x77, 0x74, 0x74, 0x74, 0x74, 0x75, 0x75, 0x75, 0x75,
+ 0x4a, 0x4a, 0x4b, 0x4b, 0x48, 0x48, 0x49, 0x49, 0x4e, 0x4e, 0x4f, 0x4f,
+ 0x4c, 0x4c, 0x4d, 0x4d, 0x42, 0x42, 0x43, 0x43, 0x40, 0x40, 0x41, 0x41,
+ 0x46, 0x46, 0x47, 0x47, 0x44, 0x44, 0x45, 0x45, 0x5a, 0x5a, 0x5b, 0x5b,
+ 0x58, 0x58, 0x59, 0x59, 0x5e, 0x5e, 0x5f, 0x5f, 0x5c, 0x5c, 0x5d, 0x5d,
+ 0x52, 0x52, 0x53, 0x53, 0x50, 0x50, 0x51, 0x51, 0x56, 0x56, 0x57, 0x57,
+ 0x54, 0x54, 0x55, 0x55, 0xd5, 0xd5, 0xd4, 0xd4, 0xd7, 0xd7, 0xd6, 0xd6,
+ 0xd1, 0xd1, 0xd0, 0xd0, 0xd3, 0xd3, 0xd2, 0xd2, 0xdd, 0xdd, 0xdc, 0xdc,
+ 0xdf, 0xdf, 0xde, 0xde, 0xd9, 0xd9, 0xd8, 0xd8, 0xdb, 0xdb, 0xda, 0xda,
+ 0xc5, 0xc5, 0xc4, 0xc4, 0xc7, 0xc7, 0xc6, 0xc6, 0xc1, 0xc1, 0xc0, 0xc0,
+ 0xc3, 0xc3, 0xc2, 0xc2, 0xcd, 0xcd, 0xcc, 0xcc, 0xcf, 0xcf, 0xce, 0xce,
+ 0xc9, 0xc9, 0xc8, 0xc8, 0xcb, 0xcb, 0xca, 0xca, 0xf5, 0xf5, 0xf5, 0xf5,
+ 0xf4, 0xf4, 0xf4, 0xf4, 0xf7, 0xf7, 0xf7, 0xf7, 0xf6, 0xf6, 0xf6, 0xf6,
+ 0xf1, 0xf1, 0xf1, 0xf1, 0xf0, 0xf0, 0xf0, 0xf0, 0xf3, 0xf3, 0xf3, 0xf3,
+ 0xf2, 0xf2, 0xf2, 0xf2, 0xfd, 0xfd, 0xfd, 0xfd, 0xfc, 0xfc, 0xfc, 0xfc,
+ 0xff, 0xff, 0xff, 0xff, 0xfe, 0xfe, 0xfe, 0xfe, 0xf9, 0xf9, 0xf9, 0xf9,
+ 0xf8, 0xf8, 0xf8, 0xf8, 0xfb, 0xfb, 0xfb, 0xfb, 0xfa, 0xfa, 0xfa, 0xfa,
+ 0xe5, 0xe5, 0xe5, 0xe5, 0xe5, 0xe5, 0xe5, 0xe5, 0xe4, 0xe4, 0xe4, 0xe4,
+ 0xe4, 0xe4, 0xe4, 0xe4, 0xe7, 0xe7, 0xe7, 0xe7, 0xe7, 0xe7, 0xe7, 0xe7,
+ 0xe6, 0xe6, 0xe6, 0xe6, 0xe6, 0xe6, 0xe6, 0xe6, 0xe1, 0xe1, 0xe1, 0xe1,
+ 0xe1, 0xe1, 0xe1, 0xe1, 0xe0, 0xe0, 0xe0, 0xe0, 0xe0, 0xe0, 0xe0, 0xe0,
+ 0xe3, 0xe3, 0xe3, 0xe3, 0xe3, 0xe3, 0xe3, 0xe3, 0xe2, 0xe2, 0xe2, 0xe2,
+ 0xe2, 0xe2, 0xe2, 0xe2, 0xed, 0xed, 0xed, 0xed, 0xed, 0xed, 0xed, 0xed,
+ 0xec, 0xec, 0xec, 0xec, 0xec, 0xec, 0xec, 0xec, 0xef, 0xef, 0xef, 0xef,
+ 0xef, 0xef, 0xef, 0xef, 0xee, 0xee, 0xee, 0xee, 0xee, 0xee, 0xee, 0xee,
+ 0xe9, 0xe9, 0xe9, 0xe9, 0xe9, 0xe9, 0xe9, 0xe9, 0xe8, 0xe8, 0xe8, 0xe8,
+ 0xe8, 0xe8, 0xe8, 0xe8, 0xeb, 0xeb, 0xeb, 0xeb, 0xeb, 0xeb, 0xeb, 0xeb,
+ 0xea, 0xea, 0xea, 0xea, 0xea, 0xea, 0xea, 0xea, 0x95, 0x95, 0x95, 0x95,
+ 0x95, 0x95, 0x95, 0x95, 0x95, 0x95, 0x95, 0x95, 0x95, 0x95, 0x95, 0x95,
+ 0x94, 0x94, 0x94, 0x94, 0x94, 0x94, 0x94, 0x94, 0x94, 0x94, 0x94, 0x94,
+ 0x94, 0x94, 0x94, 0x94, 0x97, 0x97, 0x97, 0x97, 0x97, 0x97, 0x97, 0x97,
+ 0x97, 0x97, 0x97, 0x97, 0x97, 0x97, 0x97, 0x97, 0x96, 0x96, 0x96, 0x96,
+ 0x96, 0x96, 0x96, 0x96, 0x96, 0x96, 0x96, 0x96, 0x96, 0x96, 0x96, 0x96,
+ 0x91, 0x91, 0x91, 0x91, 0x91, 0x91, 0x91, 0x91, 0x91, 0x91, 0x91, 0x91,
+ 0x91, 0x91, 0x91, 0x91, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90,
+ 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x93, 0x93, 0x93, 0x93,
+ 0x93, 0x93, 0x93, 0x93, 0x93, 0x93, 0x93, 0x93, 0x93, 0x93, 0x93, 0x93,
+ 0x92, 0x92, 0x92, 0x92, 0x92, 0x92, 0x92, 0x92, 0x92, 0x92, 0x92, 0x92,
+ 0x92, 0x92, 0x92, 0x92, 0x9d, 0x9d, 0x9d, 0x9d, 0x9d, 0x9d, 0x9d, 0x9d,
+ 0x9d, 0x9d, 0x9d, 0x9d, 0x9d, 0x9d, 0x9d, 0x9d, 0x9c, 0x9c, 0x9c, 0x9c,
+ 0x9c, 0x9c, 0x9c, 0x9c, 0x9c, 0x9c, 0x9c, 0x9c, 0x9c, 0x9c, 0x9c, 0x9c,
+ 0x9f, 0x9f, 0x9f, 0x9f, 0x9f, 0x9f, 0x9f, 0x9f, 0x9f, 0x9f, 0x9f, 0x9f,
+ 0x9f, 0x9f, 0x9f, 0x9f, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e,
+ 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x99, 0x99, 0x99, 0x99,
+ 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99,
+ 0x98, 0x98, 0x98, 0x98, 0x98, 0x98, 0x98, 0x98, 0x98, 0x98, 0x98, 0x98,
+ 0x98, 0x98, 0x98, 0x98, 0x9b, 0x9b, 0x9b, 0x9b, 0x9b, 0x9b, 0x9b, 0x9b,
+ 0x9b, 0x9b, 0x9b, 0x9b, 0x9b, 0x9b, 0x9b, 0x9b, 0x9a, 0x9a, 0x9a, 0x9a,
+ 0x9a, 0x9a, 0x9a, 0x9a, 0x9a, 0x9a, 0x9a, 0x9a, 0x9a, 0x9a, 0x9a, 0x9a,
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+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87,
+ 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87,
+ 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87,
+ 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86,
+ 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86,
+ 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x81, 0x81, 0x81, 0x81,
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+ 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
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+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d,
+ 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d,
+ 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d,
+ 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c,
+ 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c,
+ 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8f, 0x8f, 0x8f, 0x8f,
+ 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f,
+ 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f,
+ 0x8f, 0x8f, 0x8f, 0x8f, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e,
+ 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e,
+ 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e,
+ 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89,
+ 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89,
+ 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x88, 0x88, 0x88, 0x88,
+ 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88,
+ 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88,
+ 0x88, 0x88, 0x88, 0x88, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b,
+ 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b,
+ 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b,
+ 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a,
+ 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a,
+ 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0xb5, 0xb5, 0xb5, 0xb5,
+ 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5,
+ 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5,
+ 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5,
+ 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5,
+ 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5,
+ 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4,
+ 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4,
+ 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4,
+ 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4,
+ 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4,
+ 0xb4, 0xb4, 0xb4, 0xb4, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7,
+ 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7,
+ 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7,
+ 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7,
+ 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7,
+ 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb6, 0xb6, 0xb6, 0xb6,
+ 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6,
+ 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6,
+ 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6,
+ 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6,
+ 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6,
+ 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1,
+ 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1,
+ 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1,
+ 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1,
+ 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1,
+ 0xb1, 0xb1, 0xb1, 0xb1, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0,
+ 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0,
+ 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0,
+ 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0,
+ 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0,
+ 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb3, 0xb3, 0xb3, 0xb3,
+ 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3,
+ 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3,
+ 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3,
+ 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3,
+ 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3,
+ 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2,
+ 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2,
+ 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2,
+ 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2,
+ 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2,
+ 0xb2, 0xb2, 0xb2, 0xb2, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd,
+ 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd,
+ 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd,
+ 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd,
+ 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd,
+ 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbc, 0xbc, 0xbc, 0xbc,
+ 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc,
+ 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc,
+ 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc,
+ 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc,
+ 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc,
+ 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf,
+ 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf,
+ 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf,
+ 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf,
+ 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf,
+ 0xbf, 0xbf, 0xbf, 0xbf, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe,
+ 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe,
+ 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe,
+ 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe,
+ 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe,
+ 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xb9, 0xb9, 0xb9, 0xb9,
+ 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9,
+ 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9,
+ 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9,
+ 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9,
+ 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9,
+ 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8,
+ 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8,
+ 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8,
+ 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8,
+ 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8,
+ 0xb8, 0xb8, 0xb8, 0xb8, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb,
+ 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb,
+ 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb,
+ 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb,
+ 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb,
+ 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xba, 0xba, 0xba, 0xba,
+ 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba,
+ 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba,
+ 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba,
+ 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba,
+ 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba,
+ 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5,
+ 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5,
+ 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5,
+ 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5,
+ 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5,
+ 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5,
+ 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5,
+ 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5,
+ 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5,
+ 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5,
+ 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa4, 0xa4, 0xa4, 0xa4,
+ 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4,
+ 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4,
+ 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4,
+ 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4,
+ 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4,
+ 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4,
+ 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4,
+ 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4,
+ 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4,
+ 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4,
+ 0xa4, 0xa4, 0xa4, 0xa4, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7,
+ 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7,
+ 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7,
+ 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7,
+ 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7,
+ 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7,
+ 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7,
+ 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7,
+ 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7,
+ 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7,
+ 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7,
+ 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6,
+ 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6,
+ 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6,
+ 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6,
+ 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6,
+ 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6,
+ 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6,
+ 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6,
+ 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6,
+ 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6,
+ 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa1, 0xa1, 0xa1, 0xa1,
+ 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1,
+ 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1,
+ 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1,
+ 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1,
+ 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1,
+ 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1,
+ 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1,
+ 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1,
+ 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1,
+ 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1,
+ 0xa1, 0xa1, 0xa1, 0xa1, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0,
+ 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0,
+ 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0,
+ 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0,
+ 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0,
+ 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0,
+ 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0,
+ 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0,
+ 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0,
+ 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0,
+ 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0,
+ 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3,
+ 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3,
+ 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3,
+ 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3,
+ 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3,
+ 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3,
+ 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3,
+ 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3,
+ 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3,
+ 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3,
+ 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa2, 0xa2, 0xa2, 0xa2,
+ 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2,
+ 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2,
+ 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2,
+ 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2,
+ 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2,
+ 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2,
+ 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2,
+ 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2,
+ 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2,
+ 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2,
+ 0xa2, 0xa2, 0xa2, 0xa2, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad,
+ 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad,
+ 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad,
+ 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad,
+ 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad,
+ 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad,
+ 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad,
+ 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad,
+ 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad,
+ 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad,
+ 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad,
+ 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac,
+ 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac,
+ 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac,
+ 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac,
+ 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac,
+ 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac,
+ 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac,
+ 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac,
+ 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac,
+ 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac,
+ 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xaf, 0xaf, 0xaf, 0xaf,
+ 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf,
+ 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf,
+ 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf,
+ 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf,
+ 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf,
+ 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf,
+ 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf,
+ 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf,
+ 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf,
+ 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf,
+ 0xaf, 0xaf, 0xaf, 0xaf, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae,
+ 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae,
+ 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae,
+ 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae,
+ 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae,
+ 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae,
+ 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae,
+ 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae,
+ 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae,
+ 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae,
+ 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae,
+ 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9,
+ 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9,
+ 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9,
+ 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9,
+ 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9,
+ 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9,
+ 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9,
+ 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9,
+ 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9,
+ 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9,
+ 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa8, 0xa8, 0xa8, 0xa8,
+ 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8,
+ 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8,
+ 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8,
+ 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8,
+ 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8,
+ 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8,
+ 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8,
+ 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8,
+ 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8,
+ 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8,
+ 0xa8, 0xa8, 0xa8, 0xa8, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab,
+ 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab,
+ 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab,
+ 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab,
+ 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab,
+ 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab,
+ 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab,
+ 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab,
+ 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab,
+ 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab,
+ 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa
+};
+
+#endif /* FAST_ALAW_CONVERSION */
+
+#ifdef FAST_ULAW_CONVERSION
+
+int16_t _sa_ulaw2linear16[256] = {
+ -32124, -31100, -30076, -29052, -28028, -27004, -25980,
+ -24956, -23932, -22908, -21884, -20860, -19836, -18812,
+ -17788, -16764, -15996, -15484, -14972, -14460, -13948,
+ -13436, -12924, -12412, -11900, -11388, -10876, -10364,
+ -9852, -9340, -8828, -8316, -7932, -7676, -7420,
+ -7164, -6908, -6652, -6396, -6140, -5884, -5628,
+ -5372, -5116, -4860, -4604, -4348, -4092, -3900,
+ -3772, -3644, -3516, -3388, -3260, -3132, -3004,
+ -2876, -2748, -2620, -2492, -2364, -2236, -2108,
+ -1980, -1884, -1820, -1756, -1692, -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, 32124, 31100, 30076, 29052, 28028,
+ 27004, 25980, 24956, 23932, 22908, 21884, 20860,
+ 19836, 18812, 17788, 16764, 15996, 15484, 14972,
+ 14460, 13948, 13436, 12924, 12412, 11900, 11388,
+ 10876, 10364, 9852, 9340, 8828, 8316, 7932,
+ 7676, 7420, 7164, 6908, 6652, 6396, 6140,
+ 5884, 5628, 5372, 5116, 4860, 4604, 4348,
+ 4092, 3900, 3772, 3644, 3516, 3388, 3260,
+ 3132, 3004, 2876, 2748, 2620, 2492, 2364,
+ 2236, 2108, 1980, 1884, 1820, 1756, 1692,
+ 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,
+ 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,
+ 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, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x03, 0x03,
+ 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03,
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+ 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86,
+ 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86,
+ 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86,
+ 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86,
+ 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86,
+ 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86,
+ 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86,
+ 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86,
+ 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86,
+ 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x85, 0x85, 0x85, 0x85, 0x85,
+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
+ 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
+ 0x84, 0x84, 0x84, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
+ 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
+ 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 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, 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, 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 <inttypes.h> + +#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 <inttypes.h> + +#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 <sys/types.h> + +#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 <stdio.h> +#include <assert.h> + +#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 <string.h> + +#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 <stdlib.h> +#include <string.h> + +#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 <config.h> +#endif + +#include <pthread.h> +#include <errno.h> + +#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 <config.h> +#endif + +#include <pthread.h> +#include <assert.h> + +#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 <signal.h> +#include <string.h> +#include <unistd.h> +#include <fcntl.h> +#include <errno.h> +#include <sys/ioctl.h> +#include <sys/soundcard.h> +#include <poll.h> +#include <sys/types.h> +#include <sys/socket.h> + +#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<<l)-1)/(1<<l); + if (m < 2) m = 2; + if (m > 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 <sys/types.h> +#include <inttypes.h> + +#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 <stdlib.h> +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 <math.h> + +#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 <stdio.h> +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 (;j<N;j++) + { + sum += MULT16_16(*ptr,st->sinc_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 (;j<N;j++) + { + sum += MULT16_16(*ptr,(double)st->sinc_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 (;j<N;j++) + { + spx_word16_t curr_in = *ptr; + ptr += st->in_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 (;j<N;j++) + { + double curr_in = *ptr; + ptr += st->in_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;i<st->den_rate;i++) + { + spx_int32_t j; + for (j=0;j<st->filt_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;i<st->nb_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;i<st->nb_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;j<st->magic_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;j<olen-1;j++) + st->mem[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 (;j<st->filt_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;j<st->filt_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;i<st->nb_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;j<st->filt_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;i<nb_channels;i++) + { + st->last_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;i<st->magic_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;j<N-1-(spx_int32_t)*in_len;j++) + mem[j] = mem[j+*in_len]; + for (;j<N-1;j++) + mem[j] = in[st->in_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;i<ichunk;i++) + x[i] = WORD2INT(in[i*st->in_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;i<ochunk;i++) + out[i*st->out_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;i<ichunk;i++) + x[i] = in[i*st->in_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;i<ochunk;i++) + out[i*st->out_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;i<st->nb_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;i<st->nb_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;i<st->nb_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;i<st->nb_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;i<st->nb_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 <sys/types.h> +#include <sys/param.h> +#include <inttypes.h> + +/* 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 <stdlib.h> + +#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, "<BBBBBBBB>", 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 <errno.h> +#include <stdio.h> +#include <assert.h> +#include <string.h> +#include <unistd.h> + +#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 <errno.h> +#include <stdio.h> +#include <assert.h> +#include <string.h> + +#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 <config.h> +#endif + +#include <pthread.h> +#include <sched.h> +#include <errno.h> + +#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 <liboil/liboil.h> + +#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 <sys/types.h> +#include <inttypes.h> + +#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 <string.h> + +#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 <sys/types.h> +#include <inttypes.h> + +#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 |