From 045c1d602dcba57868845ba3270510593c39480f Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Thu, 15 May 2008 23:34:41 +0000 Subject: merge glitch-free branch back into trunk git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@2445 fefdeb5f-60dc-0310-8127-8f9354f1896f --- src/pulsecore/asyncmsgq.c | 36 +- src/pulsecore/asyncmsgq.h | 16 +- src/pulsecore/asyncq.c | 136 ++++- src/pulsecore/asyncq.h | 21 +- src/pulsecore/cli-command.c | 135 ++++- src/pulsecore/cli-command.h | 3 + src/pulsecore/cli-text.c | 216 ++++--- src/pulsecore/cli.c | 2 +- src/pulsecore/client.c | 22 +- src/pulsecore/client.h | 8 +- src/pulsecore/core-def.h | 29 - src/pulsecore/core-scache.c | 77 ++- src/pulsecore/core-scache.h | 17 +- src/pulsecore/core-util.c | 611 +++++++++++++++++--- src/pulsecore/core-util.h | 59 +- src/pulsecore/core.c | 2 + src/pulsecore/core.h | 18 +- src/pulsecore/envelope.c | 2 +- src/pulsecore/envelope.h | 2 +- src/pulsecore/fdsem.c | 96 +++- src/pulsecore/fdsem.h | 8 + src/pulsecore/flist.h | 2 +- src/pulsecore/gccmacro.h | 90 --- src/pulsecore/hook-list.h | 5 +- src/pulsecore/ioline.c | 44 +- src/pulsecore/ioline.h | 4 +- src/pulsecore/log.c | 30 +- src/pulsecore/log.h | 2 +- src/pulsecore/ltdl-helper.c | 8 +- src/pulsecore/macro.h | 73 ++- src/pulsecore/mcalign.c | 9 +- src/pulsecore/mcalign.h | 3 + src/pulsecore/memblock.c | 100 ++-- src/pulsecore/memblock.h | 15 +- src/pulsecore/memblockq.c | 409 +++++++++---- src/pulsecore/memblockq.h | 43 +- src/pulsecore/memchunk.c | 20 + src/pulsecore/memchunk.h | 3 + src/pulsecore/module.c | 6 +- src/pulsecore/module.h | 4 +- src/pulsecore/namereg.c | 2 +- src/pulsecore/namereg.h | 2 +- src/pulsecore/native-common.h | 13 +- src/pulsecore/pid.c | 20 +- src/pulsecore/play-memblockq.c | 117 ++-- src/pulsecore/play-memblockq.h | 9 +- src/pulsecore/play-memchunk.c | 158 +----- src/pulsecore/play-memchunk.h | 5 +- src/pulsecore/protocol-cli.c | 2 +- src/pulsecore/protocol-esound.c | 183 +++--- src/pulsecore/protocol-http.c | 4 +- src/pulsecore/protocol-native.c | 1135 +++++++++++++++++++++++++++++-------- src/pulsecore/protocol-simple.c | 176 ++++-- src/pulsecore/pstream.c | 53 +- src/pulsecore/pstream.h | 13 +- src/pulsecore/refcnt.h | 3 + src/pulsecore/resampler.c | 152 ++++- src/pulsecore/resampler.h | 4 + src/pulsecore/rtclock.c | 21 + src/pulsecore/rtclock.h | 2 + src/pulsecore/rtpoll.c | 136 +++-- src/pulsecore/rtpoll.h | 6 +- src/pulsecore/sample-util.c | 180 ++++-- src/pulsecore/sample-util.h | 18 +- src/pulsecore/shm.c | 30 +- src/pulsecore/shm.h | 8 +- src/pulsecore/shmasyncq.c | 222 ++++++++ src/pulsecore/shmasyncq.h | 62 ++ src/pulsecore/sink-input.c | 823 ++++++++++++++++----------- src/pulsecore/sink-input.h | 113 ++-- src/pulsecore/sink.c | 736 ++++++++++++++++-------- src/pulsecore/sink.h | 124 +++- src/pulsecore/socket-client.c | 50 +- src/pulsecore/socket-client.h | 8 +- src/pulsecore/sound-file-stream.c | 196 ++++--- src/pulsecore/source-output.c | 354 +++++++++--- src/pulsecore/source-output.h | 70 ++- src/pulsecore/source.c | 413 ++++++++++---- src/pulsecore/source.h | 77 ++- src/pulsecore/strbuf.h | 2 +- src/pulsecore/tagstruct.c | 94 ++- src/pulsecore/tagstruct.h | 13 +- src/pulsecore/thread-mq.c | 35 +- src/pulsecore/thread-mq.h | 5 +- src/pulsecore/time-smoother.c | 233 +++++--- src/pulsecore/time-smoother.h | 10 +- src/pulsecore/tokenizer.c | 2 +- 87 files changed, 5980 insertions(+), 2500 deletions(-) delete mode 100644 src/pulsecore/core-def.h delete mode 100644 src/pulsecore/gccmacro.h create mode 100644 src/pulsecore/shmasyncq.c create mode 100644 src/pulsecore/shmasyncq.h (limited to 'src/pulsecore') diff --git a/src/pulsecore/asyncmsgq.c b/src/pulsecore/asyncmsgq.c index 96b43a71..eba1c2cb 100644 --- a/src/pulsecore/asyncmsgq.c +++ b/src/pulsecore/asyncmsgq.c @@ -136,7 +136,7 @@ void pa_asyncmsgq_post(pa_asyncmsgq *a, pa_msgobject *object, int code, const vo /* This mutex makes the queue multiple-writer safe. This lock is only used on the writing side */ pa_mutex_lock(a->mutex); - pa_assert_se(pa_asyncq_push(a->asyncq, i, 1) == 0); + pa_asyncq_post(a->asyncq, i); pa_mutex_unlock(a->mutex); } @@ -163,7 +163,7 @@ int pa_asyncmsgq_send(pa_asyncmsgq *a, pa_msgobject *object, int code, const voi /* Thus mutex makes the queue multiple-writer safe. This lock is only used on the writing side */ pa_mutex_lock(a->mutex); - pa_assert_se(pa_asyncq_push(a->asyncq, &i, 1) == 0); + pa_assert_se(pa_asyncq_push(a->asyncq, &i, TRUE) == 0); pa_mutex_unlock(a->mutex); pa_semaphore_wait(i.semaphore); @@ -174,7 +174,7 @@ int pa_asyncmsgq_send(pa_asyncmsgq *a, pa_msgobject *object, int code, const voi return i.ret; } -int pa_asyncmsgq_get(pa_asyncmsgq *a, pa_msgobject **object, int *code, void **userdata, int64_t *offset, pa_memchunk *chunk, int wait) { +int pa_asyncmsgq_get(pa_asyncmsgq *a, pa_msgobject **object, int *code, void **userdata, int64_t *offset, pa_memchunk *chunk, pa_bool_t wait) { pa_assert(PA_REFCNT_VALUE(a) > 0); pa_assert(!a->current); @@ -276,22 +276,40 @@ int pa_asyncmsgq_process_one(pa_asyncmsgq *a) { return 1; } -int pa_asyncmsgq_get_fd(pa_asyncmsgq *a) { +int pa_asyncmsgq_read_fd(pa_asyncmsgq *a) { pa_assert(PA_REFCNT_VALUE(a) > 0); - return pa_asyncq_get_fd(a->asyncq); + return pa_asyncq_read_fd(a->asyncq); } -int pa_asyncmsgq_before_poll(pa_asyncmsgq *a) { +int pa_asyncmsgq_read_before_poll(pa_asyncmsgq *a) { pa_assert(PA_REFCNT_VALUE(a) > 0); - return pa_asyncq_before_poll(a->asyncq); + return pa_asyncq_read_before_poll(a->asyncq); } -void pa_asyncmsgq_after_poll(pa_asyncmsgq *a) { +void pa_asyncmsgq_read_after_poll(pa_asyncmsgq *a) { pa_assert(PA_REFCNT_VALUE(a) > 0); - pa_asyncq_after_poll(a->asyncq); + pa_asyncq_read_after_poll(a->asyncq); +} + +int pa_asyncmsgq_write_fd(pa_asyncmsgq *a) { + pa_assert(PA_REFCNT_VALUE(a) > 0); + + return pa_asyncq_write_fd(a->asyncq); +} + +void pa_asyncmsgq_write_before_poll(pa_asyncmsgq *a) { + pa_assert(PA_REFCNT_VALUE(a) > 0); + + pa_asyncq_write_before_poll(a->asyncq); +} + +void pa_asyncmsgq_write_after_poll(pa_asyncmsgq *a) { + pa_assert(PA_REFCNT_VALUE(a) > 0); + + pa_asyncq_write_after_poll(a->asyncq); } int pa_asyncmsgq_dispatch(pa_msgobject *object, int code, void *userdata, int64_t offset, pa_memchunk *memchunk) { diff --git a/src/pulsecore/asyncmsgq.h b/src/pulsecore/asyncmsgq.h index 5d3867ba..93f1ce86 100644 --- a/src/pulsecore/asyncmsgq.h +++ b/src/pulsecore/asyncmsgq.h @@ -56,20 +56,26 @@ typedef struct pa_asyncmsgq pa_asyncmsgq; pa_asyncmsgq* pa_asyncmsgq_new(unsigned size); pa_asyncmsgq* pa_asyncmsgq_ref(pa_asyncmsgq *q); + void pa_asyncmsgq_unref(pa_asyncmsgq* q); void pa_asyncmsgq_post(pa_asyncmsgq *q, pa_msgobject *object, int code, const void *userdata, int64_t offset, const pa_memchunk *memchunk, pa_free_cb_t userdata_free_cb); int pa_asyncmsgq_send(pa_asyncmsgq *q, pa_msgobject *object, int code, const void *userdata, int64_t offset, const pa_memchunk *memchunk); -int pa_asyncmsgq_get(pa_asyncmsgq *q, pa_msgobject **object, int *code, void **userdata, int64_t *offset, pa_memchunk *memchunk, int wait); +int pa_asyncmsgq_get(pa_asyncmsgq *q, pa_msgobject **object, int *code, void **userdata, int64_t *offset, pa_memchunk *memchunk, pa_bool_t wait); int pa_asyncmsgq_dispatch(pa_msgobject *object, int code, void *userdata, int64_t offset, pa_memchunk *memchunk); void pa_asyncmsgq_done(pa_asyncmsgq *q, int ret); int pa_asyncmsgq_wait_for(pa_asyncmsgq *a, int code); int pa_asyncmsgq_process_one(pa_asyncmsgq *a); -/* Just for the reading side */ -int pa_asyncmsgq_get_fd(pa_asyncmsgq *q); -int pa_asyncmsgq_before_poll(pa_asyncmsgq *a); -void pa_asyncmsgq_after_poll(pa_asyncmsgq *a); +/* For the reading side */ +int pa_asyncmsgq_read_fd(pa_asyncmsgq *q); +int pa_asyncmsgq_read_before_poll(pa_asyncmsgq *a); +void pa_asyncmsgq_read_after_poll(pa_asyncmsgq *a); + +/* For the write side */ +int pa_asyncmsgq_write_fd(pa_asyncmsgq *q); +void pa_asyncmsgq_write_before_poll(pa_asyncmsgq *a); +void pa_asyncmsgq_write_after_poll(pa_asyncmsgq *a); #endif diff --git a/src/pulsecore/asyncq.c b/src/pulsecore/asyncq.c index 75b15c0e..8e0dfbc3 100644 --- a/src/pulsecore/asyncq.c +++ b/src/pulsecore/asyncq.c @@ -3,7 +3,7 @@ /*** This file is part of PulseAudio. - Copyright 2006 Lennart Poettering + Copyright 2006-2008 Lennart Poettering PulseAudio is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as @@ -33,14 +33,16 @@ #include #include #include +#include +#include #include #include "asyncq.h" #include "fdsem.h" -#define ASYNCQ_SIZE 128 +#define ASYNCQ_SIZE 256 -/* For debugging purposes we can define _Y to put and extra thread +/* For debugging purposes we can define _Y to put an extra thread * yield between each operation. */ /* #define PROFILE */ @@ -51,18 +53,25 @@ #define _Y do { } while(0) #endif +struct localq { + void *data; + PA_LLIST_FIELDS(struct localq); +}; + struct pa_asyncq { unsigned size; unsigned read_idx; unsigned write_idx; pa_fdsem *read_fdsem, *write_fdsem; + + PA_LLIST_HEAD(struct localq, localq); + struct localq *last_localq; + pa_bool_t waiting_for_post; }; -#define PA_ASYNCQ_CELLS(x) ((pa_atomic_ptr_t*) ((uint8_t*) (x) + PA_ALIGN(sizeof(struct pa_asyncq)))) +PA_STATIC_FLIST_DECLARE(localq, 0, pa_xfree); -static int is_power_of_two(unsigned size) { - return !(size & (size - 1)); -} +#define PA_ASYNCQ_CELLS(x) ((pa_atomic_ptr_t*) ((uint8_t*) (x) + PA_ALIGN(sizeof(struct pa_asyncq)))) static int reduce(pa_asyncq *l, int value) { return value & (unsigned) (l->size - 1); @@ -74,12 +83,16 @@ pa_asyncq *pa_asyncq_new(unsigned size) { if (!size) size = ASYNCQ_SIZE; - pa_assert(is_power_of_two(size)); + pa_assert(pa_is_power_of_two(size)); l = pa_xmalloc0(PA_ALIGN(sizeof(pa_asyncq)) + (sizeof(pa_atomic_ptr_t) * size)); l->size = size; + PA_LLIST_HEAD_INIT(struct localq, l->localq); + l->last_localq = NULL; + l->waiting_for_post = FALSE; + if (!(l->read_fdsem = pa_fdsem_new())) { pa_xfree(l); return NULL; @@ -95,6 +108,7 @@ pa_asyncq *pa_asyncq_new(unsigned size) { } void pa_asyncq_free(pa_asyncq *l, pa_free_cb_t free_cb) { + struct localq *q; pa_assert(l); if (free_cb) { @@ -104,12 +118,22 @@ void pa_asyncq_free(pa_asyncq *l, pa_free_cb_t free_cb) { free_cb(p); } + while ((q = l->localq)) { + if (free_cb) + free_cb(q->data); + + PA_LLIST_REMOVE(struct localq, l->localq, q); + + if (pa_flist_push(PA_STATIC_FLIST_GET(localq), q) < 0) + pa_xfree(q); + } + pa_fdsem_free(l->read_fdsem); pa_fdsem_free(l->write_fdsem); pa_xfree(l); } -int pa_asyncq_push(pa_asyncq*l, void *p, int wait) { +static int push(pa_asyncq*l, void *p, pa_bool_t wait) { int idx; pa_atomic_ptr_t *cells; @@ -141,7 +165,63 @@ int pa_asyncq_push(pa_asyncq*l, void *p, int wait) { return 0; } -void* pa_asyncq_pop(pa_asyncq*l, int wait) { +static pa_bool_t flush_postq(pa_asyncq *l) { + struct localq *q; + + pa_assert(l); + + while ((q = l->last_localq)) { + + if (push(l, q->data, FALSE) < 0) + return FALSE; + + l->last_localq = q->prev; + + PA_LLIST_REMOVE(struct localq, l->localq, q); + + if (pa_flist_push(PA_STATIC_FLIST_GET(localq), q) < 0) + pa_xfree(q); + } + + return TRUE; +} + +int pa_asyncq_push(pa_asyncq*l, void *p, pa_bool_t wait) { + pa_assert(l); + + if (!flush_postq(l)) + return -1; + + return push(l, p, wait); +} + +void pa_asyncq_post(pa_asyncq*l, void *p) { + struct localq *q; + + pa_assert(l); + pa_assert(p); + + if (pa_asyncq_push(l, p, FALSE) >= 0) + return; + + /* OK, we couldn't push anything in the queue. So let's queue it + * locally and push it later */ + + pa_log("q overrun, queuing locally"); + + if (!(q = pa_flist_pop(PA_STATIC_FLIST_GET(localq)))) + q = pa_xnew(struct localq, 1); + + q->data = p; + PA_LLIST_PREPEND(struct localq, l->localq, q); + + if (!l->last_localq) + l->last_localq = q; + + return; +} + +void* pa_asyncq_pop(pa_asyncq*l, pa_bool_t wait) { int idx; void *ret; pa_atomic_ptr_t *cells; @@ -178,13 +258,13 @@ void* pa_asyncq_pop(pa_asyncq*l, int wait) { return ret; } -int pa_asyncq_get_fd(pa_asyncq *q) { +int pa_asyncq_read_fd(pa_asyncq *q) { pa_assert(q); return pa_fdsem_get(q->write_fdsem); } -int pa_asyncq_before_poll(pa_asyncq *l) { +int pa_asyncq_read_before_poll(pa_asyncq *l) { int idx; pa_atomic_ptr_t *cells; @@ -206,8 +286,38 @@ int pa_asyncq_before_poll(pa_asyncq *l) { return 0; } -void pa_asyncq_after_poll(pa_asyncq *l) { +void pa_asyncq_read_after_poll(pa_asyncq *l) { pa_assert(l); pa_fdsem_after_poll(l->write_fdsem); } + +int pa_asyncq_write_fd(pa_asyncq *q) { + pa_assert(q); + + return pa_fdsem_get(q->read_fdsem); +} + +void pa_asyncq_write_before_poll(pa_asyncq *l) { + pa_assert(l); + + for (;;) { + + if (flush_postq(l)) + break; + + if (pa_fdsem_before_poll(l->read_fdsem) >= 0) { + l->waiting_for_post = TRUE; + break; + } + } +} + +void pa_asyncq_write_after_poll(pa_asyncq *l) { + pa_assert(l); + + if (l->waiting_for_post) { + pa_fdsem_after_poll(l->read_fdsem); + l->waiting_for_post = FALSE; + } +} diff --git a/src/pulsecore/asyncq.h b/src/pulsecore/asyncq.h index 53d45866..4cdf8cd0 100644 --- a/src/pulsecore/asyncq.h +++ b/src/pulsecore/asyncq.h @@ -26,6 +26,7 @@ #include #include +#include /* A simple, asynchronous, lock-free (if requested also wait-free) * queue. Not multiple-reader/multiple-writer safe. If that is @@ -46,11 +47,21 @@ typedef struct pa_asyncq pa_asyncq; pa_asyncq* pa_asyncq_new(unsigned size); void pa_asyncq_free(pa_asyncq* q, pa_free_cb_t free_cb); -void* pa_asyncq_pop(pa_asyncq *q, int wait); -int pa_asyncq_push(pa_asyncq *q, void *p, int wait); +void* pa_asyncq_pop(pa_asyncq *q, pa_bool_t wait); +int pa_asyncq_push(pa_asyncq *q, void *p, pa_bool_t wait); -int pa_asyncq_get_fd(pa_asyncq *q); -int pa_asyncq_before_poll(pa_asyncq *a); -void pa_asyncq_after_poll(pa_asyncq *a); +/* Similar to pa_asyncq_push(), but if the queue is full, postpone it + * locally and delay until pa_asyncq_before_poll_post() */ +void pa_asyncq_post(pa_asyncq*l, void *p); + +/* For the reading side */ +int pa_asyncq_read_fd(pa_asyncq *q); +int pa_asyncq_read_before_poll(pa_asyncq *a); +void pa_asyncq_read_after_poll(pa_asyncq *a); + +/* For the writing side */ +int pa_asyncq_write_fd(pa_asyncq *q); +void pa_asyncq_write_before_poll(pa_asyncq *a); +void pa_asyncq_write_after_poll(pa_asyncq *a); #endif diff --git a/src/pulsecore/cli-command.c b/src/pulsecore/cli-command.c index 423c3f2a..925a2e8c 100644 --- a/src/pulsecore/cli-command.c +++ b/src/pulsecore/cli-command.c @@ -90,6 +90,7 @@ static int pa_cli_command_stat(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_b static int pa_cli_command_info(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_bool_t *fail); static int pa_cli_command_load(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_bool_t *fail); static int pa_cli_command_unload(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_bool_t *fail); +static int pa_cli_command_describe(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_bool_t *fail); static int pa_cli_command_sink_volume(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_bool_t *fail); static int pa_cli_command_sink_input_volume(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_bool_t *fail); static int pa_cli_command_source_volume(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_bool_t *fail); @@ -136,6 +137,7 @@ static const struct command commands[] = { { "list", pa_cli_command_info, NULL, 1 }, { "load-module", pa_cli_command_load, "Load a module (args: name, arguments)", 3}, { "unload-module", pa_cli_command_unload, "Unload a module (args: index)", 2}, + { "describe-module", pa_cli_command_describe, "Describe a module (arg: name)", 2}, { "set-sink-volume", pa_cli_command_sink_volume, "Set the volume of a sink (args: index|name, volume)", 3}, { "set-sink-input-volume", pa_cli_command_sink_input_volume, "Set the volume of a sink input (args: index, volume)", 3}, { "set-source-volume", pa_cli_command_source_volume, "Set the volume of a source (args: index|name, volume)", 3}, @@ -155,10 +157,10 @@ static const struct command commands[] = { { "load-sample-dir-lazy", pa_cli_command_scache_load_dir, "Lazily load all files in a directory into the sample cache (args: pathname)", 2}, { "play-file", pa_cli_command_play_file, "Play a sound file (args: filename, sink|index)", 3}, { "list-autoload", pa_cli_command_autoload_list, "List autoload entries", 1}, - { "add-autoload-sink", pa_cli_command_autoload_add, "Add autoload entry for a sink (args: sink, module name, arguments)", 4}, - { "add-autoload-source", pa_cli_command_autoload_add, "Add autoload entry for a source (args: source, module name, arguments)", 4}, - { "remove-autoload-sink", pa_cli_command_autoload_remove, "Remove autoload entry for a sink (args: name)", 2}, - { "remove-autoload-source", pa_cli_command_autoload_remove, "Remove autoload entry for a source (args: name)", 2}, + { "add-autoload-sink", pa_cli_command_autoload_add, NULL /*"Add autoload entry for a sink (args: sink, module name, arguments)"*/, 4}, + { "add-autoload-source", pa_cli_command_autoload_add, NULL /*"Add autoload entry for a source (args: source, module name, arguments)"*/, 4}, + { "remove-autoload-sink", pa_cli_command_autoload_remove, NULL /*"Remove autoload entry for a sink (args: name)"*/, 2}, + { "remove-autoload-source", pa_cli_command_autoload_remove, NULL /*"Remove autoload entry for a source (args: name)"*/, 2}, { "dump", pa_cli_command_dump, "Dump daemon configuration", 1}, { "list-props", pa_cli_command_list_props, NULL, 1}, { "move-sink-input", pa_cli_command_move_sink_input, "Move sink input to another sink (args: index, sink)", 3}, @@ -367,7 +369,7 @@ static int pa_cli_command_info(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_b pa_cli_command_sink_inputs(c, t, buf, fail); pa_cli_command_source_outputs(c, t, buf, fail); pa_cli_command_scache_list(c, t, buf, fail); - pa_cli_command_autoload_list(c, t, buf, fail); +/* pa_cli_command_autoload_list(c, t, buf, fail); */ return 0; } @@ -419,6 +421,45 @@ static int pa_cli_command_unload(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa return 0; } +static int pa_cli_command_describe(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_bool_t *fail) { + const char *name; + pa_modinfo *i; + + pa_core_assert_ref(c); + pa_assert(t); + pa_assert(buf); + pa_assert(fail); + + if (!(name = pa_tokenizer_get(t, 1))) { + pa_strbuf_puts(buf, "You need to specify the module name.\n"); + return -1; + } + + if ((i = pa_modinfo_get_by_name(name))) { + + pa_strbuf_printf(buf, "Name: %s\n", name); + + if (!i->description && !i->version && !i->author && !i->usage) + pa_strbuf_printf(buf, "No module information available\n"); + else { + if (i->version) + pa_strbuf_printf(buf, "Version: %s\n", i->version); + if (i->description) + pa_strbuf_printf(buf, "Description: %s\n", i->description); + if (i->author) + pa_strbuf_printf(buf, "Author: %s\n", i->author); + if (i->usage) + pa_strbuf_printf(buf, "Usage: %s\n", i->usage); + pa_strbuf_printf(buf, "Load Once: %s\n", pa_yes_no(i->load_once)); + } + + pa_modinfo_free(i); + } else + pa_strbuf_puts(buf, "Failed to open module.\n"); + + return 0; +} + static int pa_cli_command_sink_volume(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_bool_t *fail) { const char *n, *v; pa_sink *sink; @@ -436,7 +477,7 @@ static int pa_cli_command_sink_volume(pa_core *c, pa_tokenizer *t, pa_strbuf *bu } if (!(v = pa_tokenizer_get(t, 2))) { - pa_strbuf_puts(buf, "You need to specify a volume >= 0. (0 is muted, 0x100 is normal volume)\n"); + pa_strbuf_puts(buf, "You need to specify a volume >= 0. (0 is muted, 0x10000 is normal volume)\n"); return -1; } @@ -478,7 +519,7 @@ static int pa_cli_command_sink_input_volume(pa_core *c, pa_tokenizer *t, pa_strb } if (!(v = pa_tokenizer_get(t, 2))) { - pa_strbuf_puts(buf, "You need to specify a volume >= 0. (0 is muted, 0x100 is normal volume)\n"); + pa_strbuf_puts(buf, "You need to specify a volume >= 0. (0 is muted, 0x10000 is normal volume)\n"); return -1; } @@ -514,7 +555,7 @@ static int pa_cli_command_source_volume(pa_core *c, pa_tokenizer *t, pa_strbuf * } if (!(v = pa_tokenizer_get(t, 2))) { - pa_strbuf_puts(buf, "You need to specify a volume >= 0. (0 is muted, 0x100 is normal volume)\n"); + pa_strbuf_puts(buf, "You need to specify a volume >= 0. (0 is muted, 0x10000 is normal volume)\n"); return -1; } @@ -553,7 +594,7 @@ static int pa_cli_command_sink_mute(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, return -1; } - if (pa_atoi(m, &mute) < 0) { + if ((mute = pa_parse_boolean(m)) < 0) { pa_strbuf_puts(buf, "Failed to parse mute switch.\n"); return -1; } @@ -587,7 +628,7 @@ static int pa_cli_command_source_mute(pa_core *c, pa_tokenizer *t, pa_strbuf *bu return -1; } - if (pa_atoi(m, &mute) < 0) { + if ((mute = pa_parse_boolean(m)) < 0) { pa_strbuf_puts(buf, "Failed to parse mute switch.\n"); return -1; } @@ -623,11 +664,11 @@ static int pa_cli_command_sink_input_mute(pa_core *c, pa_tokenizer *t, pa_strbuf } if (!(v = pa_tokenizer_get(t, 2))) { - pa_strbuf_puts(buf, "You need to specify a volume >= 0. (0 is muted, 0x100 is normal volume)\n"); + pa_strbuf_puts(buf, "You need to specify a mute switch setting (0/1).\n"); return -1; } - if (pa_atoi(v, &mute) < 0) { + if ((mute = pa_parse_boolean(v)) < 0) { pa_strbuf_puts(buf, "Failed to parse mute switch.\n"); return -1; } @@ -780,6 +821,7 @@ static int pa_cli_command_scache_list(pa_core *c, pa_tokenizer *t, pa_strbuf *bu static int pa_cli_command_scache_play(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_bool_t *fail) { const char *n, *sink_name; pa_sink *sink; + uint32_t idx; pa_core_assert_ref(c); pa_assert(t); @@ -796,11 +838,13 @@ static int pa_cli_command_scache_play(pa_core *c, pa_tokenizer *t, pa_strbuf *bu return -1; } - if (pa_scache_play_item(c, n, sink, PA_VOLUME_NORM) < 0) { + if (pa_scache_play_item(c, n, sink, PA_VOLUME_NORM, NULL, &idx) < 0) { pa_strbuf_puts(buf, "Failed to play sample.\n"); return -1; } + pa_strbuf_printf(buf, "Playing on sink input #%i\n", idx); + return 0; } @@ -902,6 +946,8 @@ static int pa_cli_command_autoload_add(pa_core *c, pa_tokenizer *t, pa_strbuf *b pa_assert(buf); pa_assert(fail); + pa_log_warn("Autoload will no longer be implemented by future versions of the PulseAudio server."); + if (!(a = pa_tokenizer_get(t, 1)) || !(b = pa_tokenizer_get(t, 2))) { pa_strbuf_puts(buf, "You need to specify a device name, a filename or a module name and optionally module arguments\n"); return -1; @@ -920,6 +966,8 @@ static int pa_cli_command_autoload_remove(pa_core *c, pa_tokenizer *t, pa_strbuf pa_assert(buf); pa_assert(fail); + pa_log_warn("Autoload will no longer be implemented by future versions of the PulseAudio server."); + if (!(name = pa_tokenizer_get(t, 1))) { pa_strbuf_puts(buf, "You need to specify a device name\n"); return -1; @@ -941,6 +989,8 @@ static int pa_cli_command_autoload_list(pa_core *c, pa_tokenizer *t, pa_strbuf * pa_assert(buf); pa_assert(fail); + pa_log_warn("Autoload will no longer be implemented by future versions of the PulseAudio server."); + pa_assert_se(s = pa_autoload_list_to_string(c)); pa_strbuf_puts(buf, s); pa_xfree(s); @@ -1005,7 +1055,7 @@ static int pa_cli_command_move_sink_input(pa_core *c, pa_tokenizer *t, pa_strbuf return -1; } - if (pa_sink_input_move_to(si, sink, 0) < 0) { + if (pa_sink_input_move_to(si, sink) < 0) { pa_strbuf_puts(buf, "Moved failed.\n"); return -1; } @@ -1075,7 +1125,7 @@ static int pa_cli_command_suspend_sink(pa_core *c, pa_tokenizer *t, pa_strbuf *b return -1; } - if (pa_atoi(m, &suspend) < 0) { + if ((suspend = pa_parse_boolean(m)) < 0) { pa_strbuf_puts(buf, "Failed to parse suspend switch.\n"); return -1; } @@ -1109,7 +1159,7 @@ static int pa_cli_command_suspend_source(pa_core *c, pa_tokenizer *t, pa_strbuf return -1; } - if (pa_atoi(m, &suspend) < 0) { + if ((suspend = pa_parse_boolean(m)) < 0) { pa_strbuf_puts(buf, "Failed to parse suspend switch.\n"); return -1; } @@ -1138,7 +1188,7 @@ static int pa_cli_command_suspend(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, p return -1; } - if (pa_atoi(m, &suspend) < 0) { + if ((suspend = pa_parse_boolean(m)) < 0) { pa_strbuf_puts(buf, "Failed to parse suspend switch.\n"); return -1; } @@ -1202,7 +1252,8 @@ static int pa_cli_command_dump(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_b } pa_strbuf_printf(buf, "set-sink-volume %s 0x%03x\n", sink->name, pa_cvolume_avg(pa_sink_get_volume(sink))); - pa_strbuf_printf(buf, "set-sink-mute %s %d\n", sink->name, pa_sink_get_mute(sink)); + pa_strbuf_printf(buf, "set-sink-mute %s %s\n", sink->name, pa_yes_no(pa_sink_get_mute(sink))); + pa_strbuf_printf(buf, "suspend-sink %s %s\n", sink->name, pa_yes_no(pa_sink_get_state(sink) == PA_SINK_SUSPENDED)); } for (source = pa_idxset_first(c->sources, &idx); source; source = pa_idxset_next(c->sources, &idx)) { @@ -1215,7 +1266,8 @@ static int pa_cli_command_dump(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_b } pa_strbuf_printf(buf, "set-source-volume %s 0x%03x\n", source->name, pa_cvolume_avg(pa_source_get_volume(source))); - pa_strbuf_printf(buf, "set-source-mute %s %d\n", source->name, pa_source_get_mute(source)); + pa_strbuf_printf(buf, "set-source-mute %s %s\n", source->name, pa_yes_no(pa_source_get_mute(source))); + pa_strbuf_printf(buf, "suspend-source %s %s\n", source->name, pa_yes_no(pa_source_get_state(source) == PA_SOURCE_SUSPENDED)); } @@ -1390,16 +1442,45 @@ int pa_cli_command_execute_line(pa_core *c, const char *s, pa_strbuf *buf, pa_bo return pa_cli_command_execute_line_stateful(c, s, buf, fail, NULL); } -int pa_cli_command_execute_file(pa_core *c, const char *fn, pa_strbuf *buf, pa_bool_t *fail) { +int pa_cli_command_execute_file_stream(pa_core *c, FILE *f, pa_strbuf *buf, pa_bool_t *fail) { char line[1024]; - FILE *f = NULL; int ifstate = IFSTATE_NONE; int ret = -1; + pa_bool_t _fail = TRUE; + + pa_assert(c); + pa_assert(f); + pa_assert(buf); + + if (!fail) + fail = &_fail; + + while (fgets(line, sizeof(line), f)) { + pa_strip_nl(line); + + if (pa_cli_command_execute_line_stateful(c, line, buf, fail, &ifstate) < 0 && *fail) + goto fail; + } + + ret = 0; + +fail: + + return ret; +} + +int pa_cli_command_execute_file(pa_core *c, const char *fn, pa_strbuf *buf, pa_bool_t *fail) { + FILE *f = NULL; + int ret = -1; + pa_bool_t _fail = TRUE; pa_assert(c); pa_assert(fn); pa_assert(buf); + if (!fail) + fail = &_fail; + if (!(f = fopen(fn, "r"))) { pa_strbuf_printf(buf, "open('%s') failed: %s\n", fn, pa_cstrerror(errno)); if (!*fail) @@ -1407,13 +1488,7 @@ int pa_cli_command_execute_file(pa_core *c, const char *fn, pa_strbuf *buf, pa_b goto fail; } - while (fgets(line, sizeof(line), f)) { - char *e = line + strcspn(line, linebreak); - *e = 0; - - if (pa_cli_command_execute_line_stateful(c, line, buf, fail, &ifstate) < 0 && *fail) - goto fail; - } + ret = pa_cli_command_execute_file_stream(c, f, buf, fail); ret = 0; @@ -1427,11 +1502,15 @@ fail: int pa_cli_command_execute(pa_core *c, const char *s, pa_strbuf *buf, pa_bool_t *fail) { const char *p; int ifstate = IFSTATE_NONE; + pa_bool_t _fail = TRUE; pa_assert(c); pa_assert(s); pa_assert(buf); + if (!fail) + fail = &_fail; + p = s; while (*p) { size_t l = strcspn(p, linebreak); diff --git a/src/pulsecore/cli-command.h b/src/pulsecore/cli-command.h index c90c8e08..2a923443 100644 --- a/src/pulsecore/cli-command.h +++ b/src/pulsecore/cli-command.h @@ -36,6 +36,9 @@ int pa_cli_command_execute_line(pa_core *c, const char *s, pa_strbuf *buf, pa_bo /* Execute a whole file of CLI commands */ int pa_cli_command_execute_file(pa_core *c, const char *fn, pa_strbuf *buf, pa_bool_t *fail); +/* Execute a whole file of CLI commands */ +int pa_cli_command_execute_file_stream(pa_core *c, FILE *f, pa_strbuf *buf, pa_bool_t *fail); + /* Split the specified string into lines and run pa_cli_command_execute_line() for each. */ int pa_cli_command_execute(pa_core *c, const char *s, pa_strbuf *buf, pa_bool_t *fail); diff --git a/src/pulsecore/cli-text.c b/src/pulsecore/cli-text.c index b64cafe2..029a7089 100644 --- a/src/pulsecore/cli-text.c +++ b/src/pulsecore/cli-text.c @@ -29,6 +29,7 @@ #include #include +#include #include #include @@ -41,6 +42,7 @@ #include #include #include +#include #include "cli-text.h" @@ -56,12 +58,12 @@ char *pa_module_list_to_string(pa_core *c) { for (m = pa_idxset_first(c->modules, &idx); m; m = pa_idxset_next(c->modules, &idx)) { pa_strbuf_printf(s, " index: %u\n" - "\tname: <%s>\n" - "\targument: <%s>\n" - "\tused: %i\n" - "\tauto unload: %s\n", - m->index, m->name, m->argument ? m->argument : "", m->n_used, - m->auto_unload ? "yes" : "no"); + "\tname: <%s>\n" + "\targument: <%s>\n" + "\tused: %i\n" + "\tauto unload: %s\n", + m->index, m->name, m->argument ? m->argument : "", m->n_used, + pa_yes_no(m->auto_unload)); } return pa_strbuf_tostring_free(s); @@ -78,10 +80,20 @@ char *pa_client_list_to_string(pa_core *c) { pa_strbuf_printf(s, "%u client(s) logged in.\n", pa_idxset_size(c->clients)); for (client = pa_idxset_first(c->clients, &idx); client; client = pa_idxset_next(c->clients, &idx)) { - pa_strbuf_printf(s, " index: %u\n\tname: <%s>\n\tdriver: <%s>\n", client->index, client->name, client->driver); + char *t; + pa_strbuf_printf( + s, + " index: %u\n" + "\tdriver: <%s>\n", + client->index, + client->driver); + + if (client->module) + pa_strbuf_printf(s, "\towner module: %u\n", client->module->index); - if (client->owner) - pa_strbuf_printf(s, "\towner module: <%u>\n", client->owner->index); + t = pa_proplist_to_string(client->proplist); + pa_strbuf_printf(s, "\tproperties:\n%s", t); + pa_xfree(t); } return pa_strbuf_tostring_free(s); @@ -92,6 +104,7 @@ char *pa_sink_list_to_string(pa_core *c) { pa_sink *sink; uint32_t idx = PA_IDXSET_INVALID; static const char* const state_table[] = { + [PA_SINK_INIT] = "INIT", [PA_SINK_RUNNING] = "RUNNING", [PA_SINK_SUSPENDED] = "SUSPENDED", [PA_SINK_IDLE] = "IDLE", @@ -104,35 +117,39 @@ char *pa_sink_list_to_string(pa_core *c) { pa_strbuf_printf(s, "%u sink(s) available.\n", pa_idxset_size(c->sinks)); for (sink = pa_idxset_first(c->sinks, &idx); sink; sink = pa_idxset_next(c->sinks, &idx)) { - char ss[PA_SAMPLE_SPEC_SNPRINT_MAX], cv[PA_CVOLUME_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX]; + char ss[PA_SAMPLE_SPEC_SNPRINT_MAX], cv[PA_CVOLUME_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX], *t; pa_strbuf_printf( s, " %c index: %u\n" "\tname: <%s>\n" "\tdriver: <%s>\n" - "\tflags: %s%s%s%s\n" + "\tflags: %s%s%s%s%s%s\n" "\tstate: %s\n" - "\tvolume: <%s>\n" - "\tmute: <%i>\n" - "\tlatency: <%0.0f usec>\n" - "\tmonitor source: <%u>\n" - "\tsample spec: <%s>\n" - "\tchannel map: <%s>\n" - "\tused by: <%u>\n" - "\tlinked by: <%u>\n", + "\tvolume: %s\n" + "\tmuted: %s\n" + "\tcurrent latency: %0.2f ms\n" + "\tconfigured latency: %0.2f ms; range is %0.2f .. %0.2f ms\n" + "\tmonitor source: %u\n" + "\tsample spec: %s\n" + "\tchannel map: %s\n" + "\tused by: %u\n" + "\tlinked by: %u\n", c->default_sink_name && !strcmp(sink->name, c->default_sink_name) ? '*' : ' ', sink->index, sink->name, sink->driver, - sink->flags & PA_SINK_HW_VOLUME_CTRL ? "HW_VOLUME_CTRL " : "", - sink->flags & PA_SINK_LATENCY ? "LATENCY " : "", sink->flags & PA_SINK_HARDWARE ? "HARDWARE " : "", sink->flags & PA_SINK_NETWORK ? "NETWORK " : "", + sink->flags & PA_SINK_HW_MUTE_CTRL ? "HW_MUTE_CTRL " : "", + sink->flags & PA_SINK_HW_VOLUME_CTRL ? "HW_VOLUME_CTRL " : "", + sink->flags & PA_SINK_DECIBEL_VOLUME ? "DECIBEL_VOLUME " : "", + sink->flags & PA_SINK_LATENCY ? "LATENCY " : "", state_table[pa_sink_get_state(sink)], pa_cvolume_snprint(cv, sizeof(cv), pa_sink_get_volume(sink)), - !!pa_sink_get_mute(sink), - (double) pa_sink_get_latency(sink), + pa_yes_no(pa_sink_get_mute(sink)), + (double) pa_sink_get_latency(sink) / PA_USEC_PER_MSEC, + (double) pa_sink_get_requested_latency(sink) / PA_USEC_PER_MSEC, (double) sink->min_latency / PA_USEC_PER_MSEC, (double) sink->max_latency / PA_USEC_PER_MSEC, sink->monitor_source ? sink->monitor_source->index : PA_INVALID_INDEX, pa_sample_spec_snprint(ss, sizeof(ss), &sink->sample_spec), pa_channel_map_snprint(cm, sizeof(cm), &sink->channel_map), @@ -140,9 +157,11 @@ char *pa_sink_list_to_string(pa_core *c) { pa_sink_linked_by(sink)); if (sink->module) - pa_strbuf_printf(s, "\tmodule: <%u>\n", sink->module->index); - if (sink->description) - pa_strbuf_printf(s, "\tdescription: <%s>\n", sink->description); + pa_strbuf_printf(s, "\tmodule: %u\n", sink->module->index); + + t = pa_proplist_to_string(sink->proplist); + pa_strbuf_printf(s, "\tproperties:\n%s", t); + pa_xfree(t); } return pa_strbuf_tostring_free(s); @@ -153,6 +172,7 @@ char *pa_source_list_to_string(pa_core *c) { pa_source *source; uint32_t idx = PA_IDXSET_INVALID; static const char* const state_table[] = { + [PA_SOURCE_INIT] = "INIT", [PA_SOURCE_RUNNING] = "RUNNING", [PA_SOURCE_SUSPENDED] = "SUSPENDED", [PA_SOURCE_IDLE] = "IDLE", @@ -165,46 +185,51 @@ char *pa_source_list_to_string(pa_core *c) { pa_strbuf_printf(s, "%u source(s) available.\n", pa_idxset_size(c->sources)); for (source = pa_idxset_first(c->sources, &idx); source; source = pa_idxset_next(c->sources, &idx)) { - char ss[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX], cv[PA_CVOLUME_SNPRINT_MAX]; - + char ss[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX], cv[PA_CVOLUME_SNPRINT_MAX], *t; pa_strbuf_printf( s, " %c index: %u\n" "\tname: <%s>\n" "\tdriver: <%s>\n" - "\tflags: %s%s%s%s\n" + "\tflags: %s%s%s%s%s%s\n" "\tstate: %s\n" - "\tvolume: <%s>\n" - "\tmute: <%u>\n" - "\tlatency: <%0.0f usec>\n" - "\tsample spec: <%s>\n" - "\tchannel map: <%s>\n" - "\tused by: <%u>\n" - "\tlinked by: <%u>\n", + "\tvolume: %s\n" + "\tmuted: %s\n" + "\tcurrent latency: %0.2f ms\n" + "\tconfigured latency: %0.2f ms; range is %0.2f .. %0.2f ms\n" + "\tsample spec: %s\n" + "\tchannel map: %s\n" + "\tused by: %u\n" + "\tlinked by: %u\n", c->default_source_name && !strcmp(source->name, c->default_source_name) ? '*' : ' ', source->index, source->name, source->driver, - source->flags & PA_SOURCE_HW_VOLUME_CTRL ? "HW_VOLUME_CTRL " : "", - source->flags & PA_SOURCE_LATENCY ? "LATENCY " : "", source->flags & PA_SOURCE_HARDWARE ? "HARDWARE " : "", source->flags & PA_SOURCE_NETWORK ? "NETWORK " : "", + source->flags & PA_SOURCE_HW_MUTE_CTRL ? "HW_MUTE_CTRL " : "", + source->flags & PA_SOURCE_HW_VOLUME_CTRL ? "HW_VOLUME_CTRL " : "", + source->flags & PA_SOURCE_DECIBEL_VOLUME ? "DECIBEL_VOLUME " : "", + source->flags & PA_SOURCE_LATENCY ? "LATENCY " : "", state_table[pa_source_get_state(source)], pa_cvolume_snprint(cv, sizeof(cv), pa_source_get_volume(source)), - !!pa_source_get_mute(source), - (double) pa_source_get_latency(source), + pa_yes_no(pa_source_get_mute(source)), + (double) pa_source_get_latency(source) / PA_USEC_PER_MSEC, + (double) pa_source_get_requested_latency(source) / PA_USEC_PER_MSEC, (double) source->min_latency / PA_USEC_PER_MSEC, (double) source->max_latency / PA_USEC_PER_MSEC, pa_sample_spec_snprint(ss, sizeof(ss), &source->sample_spec), pa_channel_map_snprint(cm, sizeof(cm), &source->channel_map), pa_source_used_by(source), pa_source_linked_by(source)); if (source->monitor_of) - pa_strbuf_printf(s, "\tmonitor_of: <%u>\n", source->monitor_of->index); + pa_strbuf_printf(s, "\tmonitor_of: %u\n", source->monitor_of->index); if (source->module) - pa_strbuf_printf(s, "\tmodule: <%u>\n", source->module->index); - if (source->description) - pa_strbuf_printf(s, "\tdescription: <%s>\n", source->description); + pa_strbuf_printf(s, "\tmodule: %u\n", source->module->index); + + t = pa_proplist_to_string(source->proplist); + pa_strbuf_printf(s, "\tproperties:\n%s", t); + pa_xfree(t); } return pa_strbuf_tostring_free(s); @@ -216,6 +241,7 @@ char *pa_source_output_list_to_string(pa_core *c) { pa_source_output *o; uint32_t idx = PA_IDXSET_INVALID; static const char* const state_table[] = { + [PA_SOURCE_OUTPUT_INIT] = "INIT", [PA_SOURCE_OUTPUT_RUNNING] = "RUNNING", [PA_SOURCE_OUTPUT_CORKED] = "CORKED", [PA_SOURCE_OUTPUT_UNLINKED] = "UNLINKED" @@ -227,27 +253,33 @@ char *pa_source_output_list_to_string(pa_core *c) { pa_strbuf_printf(s, "%u source outputs(s) available.\n", pa_idxset_size(c->source_outputs)); for (o = pa_idxset_first(c->source_outputs, &idx); o; o = pa_idxset_next(c->source_outputs, &idx)) { - char ss[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX]; + char ss[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX], *t, clt[28]; + pa_usec_t cl; + + if ((cl = pa_source_output_get_requested_latency(o)) == (pa_usec_t) -1) + pa_snprintf(clt, sizeof(clt), "n/a"); + else + pa_snprintf(clt, sizeof(clt), "%0.2f ms", (double) cl / PA_USEC_PER_MSEC); pa_assert(o->source); pa_strbuf_printf( s, " index: %u\n" - "\tname: '%s'\n" "\tdriver: <%s>\n" - "\tflags: %s%s%s%s%s%s%s\n" + "\tflags: %s%s%s%s%s%s%s%s\n" "\tstate: %s\n" - "\tsource: <%u> '%s'\n" - "\tlatency: <%0.0f usec>\n" - "\tsample spec: <%s>\n" - "\tchannel map: <%s>\n" + "\tsource: %u <%s>\n" + "\tcurrent latency: %0.2f ms\n" + "\trequested latency: %s\n" + "\tsample spec: %s\n" + "\tchannel map: %s\n" "\tresample method: %s\n", o->index, - o->name, o->driver, o->flags & PA_SOURCE_OUTPUT_VARIABLE_RATE ? "VARIABLE_RATE " : "", o->flags & PA_SOURCE_OUTPUT_DONT_MOVE ? "DONT_MOVE " : "", + o->flags & PA_SOURCE_OUTPUT_START_CORKED ? "START_CORKED " : "", o->flags & PA_SOURCE_OUTPUT_NO_REMAP ? "NO_REMAP " : "", o->flags & PA_SOURCE_OUTPUT_NO_REMIX ? "NO_REMIX " : "", o->flags & PA_SOURCE_OUTPUT_FIX_FORMAT ? "FIX_FORMAT " : "", @@ -255,14 +287,19 @@ char *pa_source_output_list_to_string(pa_core *c) { o->flags & PA_SOURCE_OUTPUT_FIX_CHANNELS ? "FIX_CHANNELS " : "", state_table[pa_source_output_get_state(o)], o->source->index, o->source->name, - (double) pa_source_output_get_latency(o), + (double) pa_source_output_get_latency(o) / PA_USEC_PER_MSEC, + clt, pa_sample_spec_snprint(ss, sizeof(ss), &o->sample_spec), pa_channel_map_snprint(cm, sizeof(cm), &o->channel_map), pa_resample_method_to_string(pa_source_output_get_resample_method(o))); if (o->module) - pa_strbuf_printf(s, "\towner module: <%u>\n", o->module->index); + pa_strbuf_printf(s, "\towner module: %u\n", o->module->index); if (o->client) - pa_strbuf_printf(s, "\tclient: <%u> '%s'\n", o->client->index, o->client->name); + pa_strbuf_printf(s, "\tclient: %u <%s>\n", o->client->index, pa_strnull(pa_proplist_gets(o->client->proplist, PA_PROP_APPLICATION_NAME))); + + t = pa_proplist_to_string(o->proplist); + pa_strbuf_printf(s, "\tproperties:\n%s", t); + pa_xfree(t); } return pa_strbuf_tostring_free(s); @@ -273,6 +310,7 @@ char *pa_sink_input_list_to_string(pa_core *c) { pa_sink_input *i; uint32_t idx = PA_IDXSET_INVALID; static const char* const state_table[] = { + [PA_SINK_INPUT_INIT] = "INIT", [PA_SINK_INPUT_RUNNING] = "RUNNING", [PA_SINK_INPUT_DRAINED] = "DRAINED", [PA_SINK_INPUT_CORKED] = "CORKED", @@ -285,29 +323,35 @@ char *pa_sink_input_list_to_string(pa_core *c) { pa_strbuf_printf(s, "%u sink input(s) available.\n", pa_idxset_size(c->sink_inputs)); for (i = pa_idxset_first(c->sink_inputs, &idx); i; i = pa_idxset_next(c->sink_inputs, &idx)) { - char ss[PA_SAMPLE_SPEC_SNPRINT_MAX], cv[PA_CVOLUME_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX]; + char ss[PA_SAMPLE_SPEC_SNPRINT_MAX], cv[PA_CVOLUME_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX], *t, clt[28]; + pa_usec_t cl; + + if ((cl = pa_sink_input_get_requested_latency(i)) == (pa_usec_t) -1) + pa_snprintf(clt, sizeof(clt), "n/a"); + else + pa_snprintf(clt, sizeof(clt), "%0.2f ms", (double) cl / PA_USEC_PER_MSEC); pa_assert(i->sink); pa_strbuf_printf( s, " index: %u\n" - "\tname: <%s>\n" "\tdriver: <%s>\n" - "\tflags: %s%s%s%s%s%s%s\n" + "\tflags: %s%s%s%s%s%s%s%s\n" "\tstate: %s\n" - "\tsink: <%u> '%s'\n" - "\tvolume: <%s>\n" - "\tmute: <%i>\n" - "\tlatency: <%0.0f usec>\n" - "\tsample spec: <%s>\n" - "\tchannel map: <%s>\n" + "\tsink: %u <%s>\n" + "\tvolume: %s\n" + "\tmuted: %s\n" + "\tcurrent latency: %0.2f ms\n" + "\trequested latency: %s\n" + "\tsample spec: %s\n" + "\tchannel map: %s\n" "\tresample method: %s\n", i->index, - i->name, i->driver, i->flags & PA_SINK_INPUT_VARIABLE_RATE ? "VARIABLE_RATE " : "", i->flags & PA_SINK_INPUT_DONT_MOVE ? "DONT_MOVE " : "", + i->flags & PA_SINK_INPUT_START_CORKED ? "START_CORKED " : "", i->flags & PA_SINK_INPUT_NO_REMAP ? "NO_REMAP " : "", i->flags & PA_SINK_INPUT_NO_REMIX ? "NO_REMIX " : "", i->flags & PA_SINK_INPUT_FIX_FORMAT ? "FIX_FORMAT " : "", @@ -316,16 +360,21 @@ char *pa_sink_input_list_to_string(pa_core *c) { state_table[pa_sink_input_get_state(i)], i->sink->index, i->sink->name, pa_cvolume_snprint(cv, sizeof(cv), pa_sink_input_get_volume(i)), - !!pa_sink_input_get_mute(i), - (double) pa_sink_input_get_latency(i), + pa_yes_no(pa_sink_input_get_mute(i)), + (double) pa_sink_input_get_latency(i) / PA_USEC_PER_MSEC, + clt, pa_sample_spec_snprint(ss, sizeof(ss), &i->sample_spec), pa_channel_map_snprint(cm, sizeof(cm), &i->channel_map), pa_resample_method_to_string(pa_sink_input_get_resample_method(i))); if (i->module) - pa_strbuf_printf(s, "\tmodule: <%u>\n", i->module->index); + pa_strbuf_printf(s, "\tmodule: %u\n", i->module->index); if (i->client) - pa_strbuf_printf(s, "\tclient: <%u> '%s'\n", i->client->index, i->client->name); + pa_strbuf_printf(s, "\tclient: %u <%s>\n", i->client->index, pa_strnull(pa_proplist_gets(i->client->proplist, PA_PROP_APPLICATION_NAME))); + + t = pa_proplist_to_string(i->proplist); + pa_strbuf_printf(s, "\tproperties:\n%s", t); + pa_xfree(t); } return pa_strbuf_tostring_free(s); @@ -345,7 +394,7 @@ char *pa_scache_list_to_string(pa_core *c) { for (e = pa_idxset_first(c->scache, &idx); e; e = pa_idxset_next(c->scache, &idx)) { double l = 0; - char ss[PA_SAMPLE_SPEC_SNPRINT_MAX] = "n/a", cv[PA_CVOLUME_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX] = "n/a"; + char ss[PA_SAMPLE_SPEC_SNPRINT_MAX] = "n/a", cv[PA_CVOLUME_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX] = "n/a", *t; if (e->memchunk.memblock) { pa_sample_spec_snprint(ss, sizeof(ss), &e->sample_spec); @@ -356,14 +405,14 @@ char *pa_scache_list_to_string(pa_core *c) { pa_strbuf_printf( s, " name: <%s>\n" - "\tindex: <%u>\n" - "\tsample spec: <%s>\n" - "\tchannel map: <%s>\n" - "\tlength: <%lu>\n" - "\tduration: <%0.1fs>\n" - "\tvolume: <%s>\n" + "\tindex: %u\n" + "\tsample spec: %s\n" + "\tchannel map: %s\n" + "\tlength: %lu\n" + "\tduration: %0.1f s\n" + "\tvolume: %s\n" "\tlazy: %s\n" - "\tfilename: %s\n", + "\tfilename: <%s>\n", e->name, e->index, ss, @@ -371,8 +420,12 @@ char *pa_scache_list_to_string(pa_core *c) { (long unsigned)(e->memchunk.memblock ? e->memchunk.length : 0), l, pa_cvolume_snprint(cv, sizeof(cv), &e->volume), - e->lazy ? "yes" : "no", + pa_yes_no(e->lazy), e->filename ? e->filename : "n/a"); + + t = pa_proplist_to_string(e->proplist); + pa_strbuf_printf(s, "\tproperties:\n%s", t); + pa_xfree(t); } } @@ -393,7 +446,12 @@ char *pa_autoload_list_to_string(pa_core *c) { while ((e = pa_hashmap_iterate(c->autoload_hashmap, &state, NULL))) { pa_strbuf_printf( - s, " name: <%s>\n\ttype: <%s>\n\tindex: <%u>\n\tmodule_name: <%s>\n\targuments: <%s>\n", + s, + " name: <%s>\n" + "\ttype: %s\n" + "\tindex: %u\n" + "\tmodule_name: <%s>\n" + "\targuments: <%s>\n", e->name, e->type == PA_NAMEREG_SOURCE ? "source" : "sink", e->index, diff --git a/src/pulsecore/cli.c b/src/pulsecore/cli.c index 85e08634..47712d30 100644 --- a/src/pulsecore/cli.c +++ b/src/pulsecore/cli.c @@ -82,7 +82,7 @@ pa_cli* pa_cli_new(pa_core *core, pa_iochannel *io, pa_module *m) { pa_assert_se(c->client = pa_client_new(core, __FILE__, cname)); c->client->kill = client_kill; c->client->userdata = c; - c->client->owner = m; + c->client->module = m; pa_ioline_set_callback(c->line, line_callback, c); pa_ioline_puts(c->line, "Welcome to PulseAudio! Use \"help\" for usage information.\n"PROMPT); diff --git a/src/pulsecore/client.c b/src/pulsecore/client.c index 319b8387..4eca4e2a 100644 --- a/src/pulsecore/client.c +++ b/src/pulsecore/client.c @@ -35,6 +35,7 @@ #include #include #include +#include #include "client.h" @@ -44,17 +45,19 @@ pa_client *pa_client_new(pa_core *core, const char *driver, const char *name) { pa_core_assert_ref(core); c = pa_xnew(pa_client, 1); - c->name = pa_xstrdup(name); - c->driver = pa_xstrdup(driver); - c->owner = NULL; c->core = core; + c->proplist = pa_proplist_new(); + if (name) + pa_proplist_sets(c->proplist, PA_PROP_APPLICATION_NAME, name); + c->driver = pa_xstrdup(driver); + c->module = NULL; c->kill = NULL; c->userdata = NULL; pa_assert_se(pa_idxset_put(core->clients, c, &c->index) >= 0); - pa_log_info("Created %u \"%s\"", c->index, c->name); + pa_log_info("Created %u \"%s\"", c->index, pa_strnull(name)); pa_subscription_post(core, PA_SUBSCRIPTION_EVENT_CLIENT|PA_SUBSCRIPTION_EVENT_NEW, c->index); pa_core_check_quit(core); @@ -70,9 +73,9 @@ void pa_client_free(pa_client *c) { pa_core_check_quit(c->core); - pa_log_info("Freed %u \"%s\"", c->index, c->name); + pa_log_info("Freed %u \"%s\"", c->index, pa_strnull(pa_proplist_gets(c->proplist, PA_PROP_APPLICATION_NAME))); pa_subscription_post(c->core, PA_SUBSCRIPTION_EVENT_CLIENT|PA_SUBSCRIPTION_EVENT_REMOVE, c->index); - pa_xfree(c->name); + pa_proplist_free(c->proplist); pa_xfree(c->driver); pa_xfree(c); } @@ -91,10 +94,7 @@ void pa_client_kill(pa_client *c) { void pa_client_set_name(pa_client *c, const char *name) { pa_assert(c); - pa_log_info("Client %u changed name from \"%s\" to \"%s\"", c->index, c->name, name); - - pa_xfree(c->name); - c->name = pa_xstrdup(name); - + pa_log_info("Client %u changed name from \"%s\" to \"%s\"", c->index, pa_strnull(pa_proplist_gets(c->proplist, PA_PROP_APPLICATION_NAME)), name); + pa_proplist_sets(c->proplist, PA_PROP_APPLICATION_NAME, name); pa_subscription_post(c->core, PA_SUBSCRIPTION_EVENT_CLIENT|PA_SUBSCRIPTION_EVENT_CHANGE, c->index); } diff --git a/src/pulsecore/client.h b/src/pulsecore/client.h index 6d09b999..bff057ed 100644 --- a/src/pulsecore/client.h +++ b/src/pulsecore/client.h @@ -28,6 +28,7 @@ typedef struct pa_client pa_client; +#include #include #include @@ -37,11 +38,12 @@ typedef struct pa_client pa_client; struct pa_client { uint32_t index; - - pa_module *owner; - char *name, *driver; pa_core *core; + pa_proplist *proplist; + pa_module *module; + char *driver; + void (*kill)(pa_client *c); void *userdata; }; diff --git a/src/pulsecore/core-def.h b/src/pulsecore/core-def.h deleted file mode 100644 index 4bc05137..00000000 --- a/src/pulsecore/core-def.h +++ /dev/null @@ -1,29 +0,0 @@ -#ifndef foocoredefhfoo -#define foocoredefhfoo - -/* $Id$ */ - -/*** - This file is part of PulseAudio. - - Copyright 2006 Pierre Ossman for Cendio AB - - PulseAudio is free software; you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as published - by the Free Software Foundation; either version 2 of the License, - or (at your option) any later version. - - PulseAudio is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with PulseAudio; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. -***/ - -/* FIXME: Remove this shit */ - -#endif diff --git a/src/pulsecore/core-scache.c b/src/pulsecore/core-scache.c index 46444a90..e5546007 100644 --- a/src/pulsecore/core-scache.c +++ b/src/pulsecore/core-scache.c @@ -3,7 +3,7 @@ /*** This file is part of PulseAudio. - Copyright 2004-2006 Lennart Poettering + Copyright 2004-2008 Lennart Poettering Copyright 2006 Pierre Ossman for Cendio AB PulseAudio is free software; you can redistribute it and/or modify @@ -63,7 +63,7 @@ #include "core-scache.h" -#define UNLOAD_POLL_TIME 2 +#define UNLOAD_POLL_TIME 5 static void timeout_callback(pa_mainloop_api *m, pa_time_event*e, PA_GCC_UNUSED const struct timeval *tv, void *userdata) { pa_core *c = userdata; @@ -89,6 +89,8 @@ static void free_entry(pa_scache_entry *e) { pa_xfree(e->filename); if (e->memchunk.memblock) pa_memblock_unref(e->memchunk.memblock); + if (e->proplist) + pa_proplist_free(e->proplist); pa_xfree(e); } @@ -103,6 +105,7 @@ static pa_scache_entry* scache_add_item(pa_core *c, const char *name) { pa_memblock_unref(e->memchunk.memblock); pa_xfree(e->filename); + pa_proplist_clear(e->proplist); pa_assert(e->core == c); @@ -117,11 +120,10 @@ static pa_scache_entry* scache_add_item(pa_core *c, const char *name) { e->name = pa_xstrdup(name); e->core = c; + e->proplist = pa_proplist_new(); - if (!c->scache) { + if (!c->scache) c->scache = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func); - pa_assert(c->scache); - } pa_idxset_put(c->scache, e, &e->index); @@ -132,17 +134,27 @@ static pa_scache_entry* scache_add_item(pa_core *c, const char *name) { e->memchunk.memblock = NULL; e->memchunk.index = e->memchunk.length = 0; e->filename = NULL; - e->lazy = 0; + e->lazy = FALSE; e->last_used_time = 0; memset(&e->sample_spec, 0, sizeof(e->sample_spec)); pa_channel_map_init(&e->channel_map); pa_cvolume_reset(&e->volume, PA_CHANNELS_MAX); + pa_proplist_sets(e->proplist, PA_PROP_MEDIA_ROLE, "event"); + return e; } -int pa_scache_add_item(pa_core *c, const char *name, const pa_sample_spec *ss, const pa_channel_map *map, const pa_memchunk *chunk, uint32_t *idx) { +int pa_scache_add_item( + pa_core *c, + const char *name, + const pa_sample_spec *ss, + const pa_channel_map *map, + const pa_memchunk *chunk, + pa_proplist *p, + uint32_t *idx) { + pa_scache_entry *e; char st[PA_SAMPLE_SPEC_SNPRINT_MAX]; pa_channel_map tmap; @@ -178,6 +190,9 @@ int pa_scache_add_item(pa_core *c, const char *name, const pa_sample_spec *ss, c pa_memblock_ref(e->memchunk.memblock); } + if (p) + pa_proplist_update(e->proplist, PA_UPDATE_REPLACE, p); + if (idx) *idx = e->index; @@ -193,6 +208,7 @@ int pa_scache_add_file(pa_core *c, const char *name, const char *filename, uint3 pa_channel_map map; pa_memchunk chunk; int r; + pa_proplist *p; #ifdef OS_IS_WIN32 char buf[MAX_PATH]; @@ -208,8 +224,11 @@ int pa_scache_add_file(pa_core *c, const char *name, const char *filename, uint3 if (pa_sound_file_load(c->mempool, filename, &ss, &map, &chunk) < 0) return -1; - r = pa_scache_add_item(c, name, &ss, &map, &chunk, idx); + p = pa_proplist_new(); + pa_proplist_sets(p, PA_PROP_MEDIA_FILENAME, filename); + r = pa_scache_add_item(c, name, &ss, &map, &chunk, p, idx); pa_memblock_unref(chunk.memblock); + pa_proplist_free(p); return r; } @@ -231,9 +250,11 @@ int pa_scache_add_file_lazy(pa_core *c, const char *name, const char *filename, if (!(e = scache_add_item(c, name))) return -1; - e->lazy = 1; + e->lazy = TRUE; e->filename = pa_xstrdup(filename); + pa_proplist_sets(e->proplist, PA_PROP_MEDIA_FILENAME, filename); + if (!c->scache_auto_unload_event) { struct timeval ntv; pa_gettimeofday(&ntv); @@ -285,10 +306,10 @@ void pa_scache_free(pa_core *c) { c->mainloop->time_free(c->scache_auto_unload_event); } -int pa_scache_play_item(pa_core *c, const char *name, pa_sink *sink, pa_volume_t volume) { +int pa_scache_play_item(pa_core *c, const char *name, pa_sink *sink, pa_volume_t volume, pa_proplist *p, uint32_t *sink_input_idx) { pa_scache_entry *e; - char *t; pa_cvolume r; + pa_proplist *merged; pa_assert(c); pa_assert(name); @@ -312,17 +333,24 @@ int pa_scache_play_item(pa_core *c, const char *name, pa_sink *sink, pa_volume_t pa_log_debug("Playing sample \"%s\" on \"%s\"", name, sink->name); - t = pa_sprintf_malloc("sample:%s", name); - pa_cvolume_set(&r, e->volume.channels, volume); pa_sw_cvolume_multiply(&r, &r, &e->volume); - if (pa_play_memchunk(sink, t, &e->sample_spec, &e->channel_map, &e->memchunk, &r) < 0) { - pa_xfree(t); + merged = pa_proplist_new(); + + pa_proplist_setf(merged, PA_PROP_MEDIA_NAME, "Sample %s", name); + + pa_proplist_update(merged, PA_UPDATE_REPLACE, e->proplist); + + if (p) + pa_proplist_update(merged, PA_UPDATE_REPLACE, p); + + if (pa_play_memchunk(sink, &e->sample_spec, &e->channel_map, &e->memchunk, &r, merged, sink_input_idx) < 0) { + pa_proplist_free(merged); return -1; } - pa_xfree(t); + pa_proplist_free(merged); if (e->lazy) time(&e->last_used_time); @@ -330,7 +358,7 @@ int pa_scache_play_item(pa_core *c, const char *name, pa_sink *sink, pa_volume_t return 0; } -int pa_scache_play_item_by_name(pa_core *c, const char *name, const char*sink_name, pa_volume_t volume, int autoload) { +int pa_scache_play_item_by_name(pa_core *c, const char *name, const char*sink_name, pa_bool_t autoload, pa_volume_t volume, pa_proplist *p, uint32_t *sink_input_idx) { pa_sink *sink; pa_assert(c); @@ -339,10 +367,10 @@ int pa_scache_play_item_by_name(pa_core *c, const char *name, const char*sink_na if (!(sink = pa_namereg_get(c, sink_name, PA_NAMEREG_SINK, autoload))) return -1; - return pa_scache_play_item(c, name, sink, volume); + return pa_scache_play_item(c, name, sink, volume, p, sink_input_idx); } -const char * pa_scache_get_name_by_id(pa_core *c, uint32_t id) { +const char *pa_scache_get_name_by_id(pa_core *c, uint32_t id) { pa_scache_entry *e; pa_assert(c); @@ -366,9 +394,10 @@ uint32_t pa_scache_get_id_by_name(pa_core *c, const char *name) { return e->index; } -uint32_t pa_scache_total_size(pa_core *c) { +size_t pa_scache_total_size(pa_core *c) { pa_scache_entry *e; - uint32_t idx, sum = 0; + uint32_t idx; + size_t sum = 0; pa_assert(c); @@ -403,8 +432,7 @@ void pa_scache_unload_unused(pa_core *c) { continue; pa_memblock_unref(e->memchunk.memblock); - e->memchunk.memblock = NULL; - e->memchunk.index = e->memchunk.length = 0; + pa_memchunk_reset(&e->memchunk); pa_subscription_post(c, PA_SUBSCRIPTION_EVENT_SAMPLE_CACHE|PA_SUBSCRIPTION_EVENT_CHANGE, e->index); } @@ -467,8 +495,9 @@ int pa_scache_add_directory_lazy(pa_core *c, const char *pathname) { pa_snprintf(p, sizeof(p), "%s/%s", pathname, e->d_name); add_file(c, p); } + + closedir(dir); } - closedir(dir); return 0; } diff --git a/src/pulsecore/core-scache.h b/src/pulsecore/core-scache.h index ab7ec0ef..31f3ff32 100644 --- a/src/pulsecore/core-scache.h +++ b/src/pulsecore/core-scache.h @@ -29,11 +29,12 @@ #include #include -#define PA_SCACHE_ENTRY_SIZE_MAX (1024*1024*2) +#define PA_SCACHE_ENTRY_SIZE_MAX (1024*1024*16) typedef struct pa_scache_entry { - pa_core *core; uint32_t index; + pa_core *core; + char *name; pa_cvolume volume; @@ -43,25 +44,27 @@ typedef struct pa_scache_entry { char *filename; - int lazy; + pa_bool_t lazy; time_t last_used_time; + + pa_proplist *proplist; } pa_scache_entry; -int pa_scache_add_item(pa_core *c, const char *name, const pa_sample_spec *ss, const pa_channel_map *map, const pa_memchunk *chunk, uint32_t *idx); +int pa_scache_add_item(pa_core *c, const char *name, const pa_sample_spec *ss, const pa_channel_map *map, const pa_memchunk *chunk, pa_proplist *p, uint32_t *idx); int pa_scache_add_file(pa_core *c, const char *name, const char *filename, uint32_t *idx); int pa_scache_add_file_lazy(pa_core *c, const char *name, const char *filename, uint32_t *idx); int pa_scache_add_directory_lazy(pa_core *c, const char *pathname); int pa_scache_remove_item(pa_core *c, const char *name); -int pa_scache_play_item(pa_core *c, const char *name, pa_sink *sink, pa_volume_t volume); -int pa_scache_play_item_by_name(pa_core *c, const char *name, const char*sink_name, pa_volume_t volume, int autoload); +int pa_scache_play_item(pa_core *c, const char *name, pa_sink *sink, pa_volume_t volume, pa_proplist *p, uint32_t *sink_input_idx); +int pa_scache_play_item_by_name(pa_core *c, const char *name, const char*sink_name, pa_bool_t autoload, pa_volume_t volume, pa_proplist *p, uint32_t *sink_input_idx); void pa_scache_free(pa_core *c); const char *pa_scache_get_name_by_id(pa_core *c, uint32_t id); uint32_t pa_scache_get_id_by_name(pa_core *c, const char *name); -uint32_t pa_scache_total_size(pa_core *c); +size_t pa_scache_total_size(pa_core *c); void pa_scache_unload_unused(pa_core *c); diff --git a/src/pulsecore/core-util.c b/src/pulsecore/core-util.c index 61d04c2d..c8ea4f52 100644 --- a/src/pulsecore/core-util.c +++ b/src/pulsecore/core-util.c @@ -41,6 +41,7 @@ #include #include #include +#include #ifdef HAVE_STRTOF_L #include @@ -103,12 +104,6 @@ #define MSG_NOSIGNAL 0 #endif -#ifndef OS_IS_WIN32 -#define PA_USER_RUNTIME_PATH_PREFIX "/tmp/pulse-" -#else -#define PA_USER_RUNTIME_PATH_PREFIX "%TEMP%\\pulse-" -#endif - #ifdef OS_IS_WIN32 #define PULSE_ROOTENV "PULSE_ROOT" @@ -221,7 +216,7 @@ int pa_make_secure_dir(const char* dir, mode_t m, uid_t uid, gid_t gid) { goto fail; } #else - pa_log_warn("secure directory creation not supported on Win32."); + pa_log_warn("Secure directory creation not supported on Win32."); #endif return 0; @@ -557,6 +552,82 @@ int pa_make_realtime(int rtprio) { #endif } +/* This is merely used for giving the user a hint. This is not correct + * for anything security related */ +pa_bool_t pa_can_realtime(void) { + + if (geteuid() == 0) + return TRUE; + +#if defined(HAVE_SYS_RESOURCE_H) && defined(RLIMIT_RTPRIO) + { + struct rlimit rl; + + if (getrlimit(RLIMIT_RTPRIO, &rl) >= 0) + if (rl.rlim_cur > 0 || rl.rlim_cur == RLIM_INFINITY) + return TRUE; + } +#endif + +#if defined(HAVE_SYS_CAPABILITY_H) && defined(CAP_SYS_NICE) + { + cap_t cap; + + if ((cap = cap_get_proc())) { + cap_flag_value_t flag = CAP_CLEAR; + + if (cap_get_flag(cap, CAP_SYS_NICE, CAP_EFFECTIVE, &flag) >= 0) + if (flag == CAP_SET) { + cap_free(cap); + return TRUE; + } + + cap_free(cap); + } + } +#endif + + return FALSE; +} + +/* This is merely used for giving the user a hint. This is not correct + * for anything security related */ +pa_bool_t pa_can_high_priority(void) { + + if (geteuid() == 0) + return TRUE; + +#if defined(HAVE_SYS_RESOURCE_H) && defined(RLIMIT_RTPRIO) + { + struct rlimit rl; + + if (getrlimit(RLIMIT_NICE, &rl) >= 0) + if (rl.rlim_cur >= 21 || rl.rlim_cur == RLIM_INFINITY) + return TRUE; + } +#endif + +#if defined(HAVE_SYS_CAPABILITY_H) && defined(CAP_SYS_NICE) + { + cap_t cap; + + if ((cap = cap_get_proc())) { + cap_flag_value_t flag = CAP_CLEAR; + + if (cap_get_flag(cap, CAP_SYS_NICE, CAP_EFFECTIVE, &flag) >= 0) + if (flag == CAP_SET) { + cap_free(cap); + return TRUE; + } + + cap_free(cap); + } + } +#endif + + return FALSE; +} + /* Raise the priority of the current process as much as possible that * is <= the specified nice level..*/ int pa_raise_priority(int nice_level) { @@ -612,6 +683,7 @@ void pa_reset_priority(void) { /* Try to parse a boolean string value.*/ int pa_parse_boolean(const char *v) { + pa_assert(v); if (!strcmp(v, "1") || v[0] == 'y' || v[0] == 'Y' || v[0] == 't' || v[0] == 'T' || !strcasecmp(v, "on")) return 1; @@ -1093,16 +1165,39 @@ int pa_unlock_lockfile(const char *fn, int fd) { return r; } +char *pa_get_runtime_dir(void) { + const char *e; + char *d; + + if ((e = getenv("PULSE_RUNTIME_PATH"))) + d = pa_xstrdup(e); + else { + char h[PATH_MAX]; + + if (!pa_get_home_dir(h, sizeof(h))) { + pa_log_error("Failed to get home directory."); + return NULL; + } + + d = pa_sprintf_malloc("%s" PA_PATH_SEP ".pulse", h); + } + + if (pa_make_secure_dir(d, 0700, (pid_t) -1, (pid_t) -1) < 0) { + pa_log_error("Failed to create secure directory: %s", pa_cstrerror(errno)); + return NULL; + } + + return d; +} + /* Try to open a configuration file. If "env" is specified, open the * value of the specified environment variable. Otherwise look for a * file "local" in the home directory or a file "global" in global * file system. If "result" is non-NULL, a pointer to a newly * allocated buffer containing the used configuration file is * stored there.*/ -FILE *pa_open_config_file(const char *global, const char *local, const char *env, char **result, const char *mode) { +FILE *pa_open_config_file(const char *global, const char *local, const char *env, char **result) { const char *fn; - char h[PATH_MAX]; - #ifdef OS_IS_WIN32 char buf[PATH_MAX]; @@ -1111,75 +1206,152 @@ FILE *pa_open_config_file(const char *global, const char *local, const char *env #endif if (env && (fn = getenv(env))) { + FILE *f; + #ifdef OS_IS_WIN32 if (!ExpandEnvironmentStrings(fn, buf, PATH_MAX)) return NULL; fn = buf; #endif - if (result) - *result = pa_xstrdup(fn); + if ((f = fopen(fn, "r"))) { + if (result) + *result = pa_xstrdup(fn); - return fopen(fn, mode); + return f; + } + + pa_log_warn("Failed to open configuration file '%s': %s", fn, pa_cstrerror(errno)); + return NULL; } if (local) { const char *e; - char *lfn = NULL; + char *lfn; + char h[PATH_MAX]; + FILE *f; if ((e = getenv("PULSE_CONFIG_PATH"))) - fn = lfn = pa_sprintf_malloc("%s/%s", e, local); - else if (pa_get_home_dir(h, sizeof(h))) { - char *d; + fn = lfn = pa_sprintf_malloc("%s" PA_PATH_SEP "%s", e, local); + else if (pa_get_home_dir(h, sizeof(h))) + fn = lfn = pa_sprintf_malloc("%s" PA_PATH_SEP ".pulse" PA_PATH_SEP "%s", h, local); + +#ifdef OS_IS_WIN32 + if (!ExpandEnvironmentStrings(lfn, buf, PATH_MAX)) { + pa_xfree(lfn); + return NULL; + } + fn = buf; +#endif - d = pa_sprintf_malloc("%s/.pulse", h); - mkdir(d, 0755); - pa_xfree(d); + if ((f = fopen(fn, "r"))) { + if (result) + *result = pa_xstrdup(fn); - fn = lfn = pa_sprintf_malloc("%s/.pulse/%s", h, local); + pa_xfree(lfn); + return f; + } + + if (errno != ENOENT) { + pa_log_warn("Failed to open configuration file '%s': %s", fn, pa_cstrerror(errno)); + pa_xfree(lfn); + return NULL; } - if (lfn) { - FILE *f; + pa_xfree(lfn); + } + + if (global) { + FILE *f; #ifdef OS_IS_WIN32 - if (!ExpandEnvironmentStrings(lfn, buf, PATH_MAX)) - return NULL; - fn = buf; + if (!ExpandEnvironmentStrings(global, buf, PATH_MAX)) + return NULL; + global = buf; #endif - f = fopen(fn, mode); - if (f != NULL) { - if (result) - *result = pa_xstrdup(fn); - pa_xfree(lfn); - return f; - } + if ((f = fopen(global, "r"))) { - if (errno != ENOENT) - pa_log_warn("Failed to open configuration file '%s': %s", lfn, pa_cstrerror(errno)); + if (result) + *result = pa_xstrdup(global); - pa_xfree(lfn); + return f; } - } - - if (!global) { - if (result) - *result = NULL; + } else errno = ENOENT; + + return NULL; +} + +char *pa_find_config_file(const char *global, const char *local, const char *env) { + const char *fn; +#ifdef OS_IS_WIN32 + char buf[PATH_MAX]; + + if (!getenv(PULSE_ROOTENV)) + pa_set_root(NULL); +#endif + + if (env && (fn = getenv(env))) { +#ifdef OS_IS_WIN32 + if (!ExpandEnvironmentStrings(fn, buf, PATH_MAX)) + return NULL; + fn = buf; +#endif + + if (access(fn, R_OK) == 0) + return pa_xstrdup(fn); + + pa_log_warn("Failed to access configuration file '%s': %s", fn, pa_cstrerror(errno)); return NULL; } + if (local) { + const char *e; + char *lfn; + char h[PATH_MAX]; + + if ((e = getenv("PULSE_CONFIG_PATH"))) + fn = lfn = pa_sprintf_malloc("%s" PA_PATH_SEP "%s", e, local); + else if (pa_get_home_dir(h, sizeof(h))) + fn = lfn = pa_sprintf_malloc("%s" PA_PATH_SEP ".pulse" PA_PATH_SEP "%s", h, local); + #ifdef OS_IS_WIN32 - if (!ExpandEnvironmentStrings(global, buf, PATH_MAX)) - return NULL; - global = buf; + if (!ExpandEnvironmentStrings(lfn, buf, PATH_MAX)) { + pa_xfree(lfn); + return NULL; + } + fn = buf; +#endif + + if (access(fn, R_OK) == 0) { + char *r = pa_xstrdup(fn); + pa_xfree(lfn); + return r; + } + + if (errno != ENOENT) { + pa_log_warn("Failed to access configuration file '%s': %s", fn, pa_cstrerror(errno)); + pa_xfree(lfn); + return NULL; + } + + pa_xfree(lfn); + } + + if (global) { +#ifdef OS_IS_WIN32 + if (!ExpandEnvironmentStrings(global, buf, PATH_MAX)) + return NULL; + global = buf; #endif - if (result) - *result = pa_xstrdup(global); + if (access(fn, R_OK) == 0) + return pa_xstrdup(global); + } else + errno = ENOENT; - return fopen(global, mode); + return NULL; } /* Format the specified data as a hexademical string */ @@ -1270,45 +1442,51 @@ int pa_endswith(const char *s, const char *sfx) { return l1 >= l2 && strcmp(s+l1-l2, sfx) == 0; } -/* if fn is null return the PulseAudio run time path in s (/tmp/pulse) - * if fn is non-null and starts with / return fn in s - * otherwise append fn to the run time path and return it in s */ -char *pa_runtime_path(const char *fn, char *s, size_t l) { - const char *e; +pa_bool_t pa_is_path_absolute(const char *fn) { + pa_assert(fn); #ifndef OS_IS_WIN32 - if (fn && *fn == '/') + return *fn == '/'; #else - if (fn && strlen(fn) >= 3 && isalpha(fn[0]) && fn[1] == ':' && fn[2] == '\\') + return strlen(fn) >= 3 && isalpha(fn[0]) && fn[1] == ':' && fn[2] == '\\'; #endif - return pa_strlcpy(s, fn, l); +} - if ((e = getenv("PULSE_RUNTIME_PATH"))) { +char *pa_make_path_absolute(const char *p) { + char *r; + char *cwd; - if (fn) - pa_snprintf(s, l, "%s%c%s", e, PA_PATH_SEP_CHAR, fn); - else - pa_snprintf(s, l, "%s", e); + pa_assert(p); - } else { - char u[256]; + if (pa_is_path_absolute(p)) + return pa_xstrdup(p); - if (fn) - pa_snprintf(s, l, "%s%s%c%s", PA_USER_RUNTIME_PATH_PREFIX, pa_get_user_name(u, sizeof(u)), PA_PATH_SEP_CHAR, fn); - else - pa_snprintf(s, l, "%s%s", PA_USER_RUNTIME_PATH_PREFIX, pa_get_user_name(u, sizeof(u))); - } + if (!(cwd = pa_getcwd())) + return pa_xstrdup(p); + r = pa_sprintf_malloc("%s" PA_PATH_SEP "%s", cwd, p); + pa_xfree(cwd); + return r; +} -#ifdef OS_IS_WIN32 - { - char buf[l]; - strcpy(buf, s); - ExpandEnvironmentStrings(buf, s, l); - } -#endif +/* if fn is null return the PulseAudio run time path in s (~/.pulse) + * if fn is non-null and starts with / return fn + * otherwise append fn to the run time path and return it */ +char *pa_runtime_path(const char *fn) { + char *rtp; - return s; + if (pa_is_path_absolute(fn)) + return pa_xstrdup(fn); + + rtp = pa_get_runtime_dir(); + + if (fn) { + char *r; + r = pa_sprintf_malloc("%s" PA_PATH_SEP "%s", rtp, fn); + pa_xfree(rtp); + return r; + } else + return rtp; } /* Convert the string s to a signed integer in *ret_i */ @@ -1414,12 +1592,28 @@ int pa_snprintf(char *str, size_t size, const char *format, ...) { pa_assert(format); va_start(ap, format); - ret = vsnprintf(str, size, format, ap); + ret = pa_vsnprintf(str, size, format, ap); va_end(ap); + return ret; +} + +/* Same as vsnprintf, but guarantees NUL-termination on every platform */ +int pa_vsnprintf(char *str, size_t size, const char *format, va_list ap) { + int ret; + + pa_assert(str); + pa_assert(size > 0); + pa_assert(format); + + ret = vsnprintf(str, size, format, ap); + str[size-1] = 0; - return ret; + if (ret < 0) + ret = strlen(str); + + return PA_MIN((int) size-1, ret); } /* Truncate the specified string, but guarantee that the string @@ -1455,23 +1649,6 @@ char *pa_getcwd(void) { } } -char *pa_make_path_absolute(const char *p) { - char *r; - char *cwd; - - pa_assert(p); - - if (p[0] == '/') - return pa_xstrdup(p); - - if (!(cwd = pa_getcwd())) - return pa_xstrdup(p); - - r = pa_sprintf_malloc("%s/%s", cwd, p); - pa_xfree(cwd); - return r; -} - void *pa_will_need(const void *p, size_t l) { #ifdef RLIMIT_MEMLOCK struct rlimit rlim; @@ -1577,3 +1754,249 @@ char *pa_readlink(const char *p) { l *= 2; } } + +int pa_close_all(int except_fd, ...) { + va_list ap; + int n = 0, i, r; + int *p; + + va_start(ap, except_fd); + + if (except_fd >= 0) + for (n = 1; va_arg(ap, int) >= 0; n++) + ; + + va_end(ap); + + p = pa_xnew(int, n+1); + + va_start(ap, except_fd); + + i = 0; + if (except_fd >= 0) { + p[i++] = except_fd; + + while ((p[i++] = va_arg(ap, int)) >= 0) + ; + } + p[i] = -1; + + va_end(ap); + + r = pa_close_allv(p); + free(p); + + return r; +} + +int pa_close_allv(const int except_fds[]) { + struct rlimit rl; + int fd; + int saved_errno; + +#ifdef __linux__ + + DIR *d; + + if ((d = opendir("/proc/self/fd"))) { + + struct dirent *de; + + while ((de = readdir(d))) { + long l; + char *e = NULL; + int i; + + if (de->d_name[0] == '.') + continue; + + errno = 0; + l = strtol(de->d_name, &e, 10); + if (errno != 0 || !e || *e) { + closedir(d); + errno = EINVAL; + return -1; + } + + fd = (int) l; + + if ((long) fd != l) { + closedir(d); + errno = EINVAL; + return -1; + } + + if (fd <= 3) + continue; + + if (fd == dirfd(d)) + continue; + + for (i = 0; except_fds[i] >= 0; i++) + if (except_fds[i] == fd) + continue; + + if (close(fd) < 0) { + saved_errno = errno; + closedir(d); + errno = saved_errno; + + return -1; + } + } + + closedir(d); + return 0; + } + +#endif + + if (getrlimit(RLIMIT_NOFILE, &rl) < 0) + return -1; + + for (fd = 0; fd < (int) rl.rlim_max; fd++) { + int i; + + if (fd <= 3) + continue; + + for (i = 0; except_fds[i] >= 0; i++) + if (except_fds[i] == fd) + continue; + + if (close(fd) < 0 && errno != EBADF) + return -1; + } + + return 0; +} + +int pa_unblock_sigs(int except, ...) { + va_list ap; + int n = 0, i, r; + int *p; + + va_start(ap, except); + + if (except >= 1) + for (n = 1; va_arg(ap, int) >= 0; n++) + ; + + va_end(ap); + + p = pa_xnew(int, n+1); + + va_start(ap, except); + + i = 0; + if (except >= 1) { + p[i++] = except; + + while ((p[i++] = va_arg(ap, int)) >= 0) + ; + } + p[i] = -1; + + va_end(ap); + + r = pa_unblock_sigsv(p); + pa_xfree(p); + + return r; +} + +int pa_unblock_sigsv(const int except[]) { + int i; + sigset_t ss; + + if (sigemptyset(&ss) < 0) + return -1; + + for (i = 0; except[i] > 0; i++) + if (sigaddset(&ss, except[i]) < 0) + return -1; + + return sigprocmask(SIG_SETMASK, &ss, NULL); +} + +int pa_reset_sigs(int except, ...) { + va_list ap; + int n = 0, i, r; + int *p; + + va_start(ap, except); + + if (except >= 1) + for (n = 1; va_arg(ap, int) >= 0; n++) + ; + + va_end(ap); + + p = pa_xnew(int, n+1); + + va_start(ap, except); + + i = 0; + if (except >= 1) { + p[i++] = except; + + while ((p[i++] = va_arg(ap, int)) >= 0) + ; + } + p[i] = -1; + + va_end(ap); + + r = pa_reset_sigsv(p); + pa_xfree(p); + + return r; +} + +int pa_reset_sigsv(const int except[]) { + int sig; + + for (sig = 1; sig < _NSIG; sig++) { + int reset = 1; + + switch (sig) { + case SIGKILL: + case SIGSTOP: + reset = 0; + break; + + default: { + int i; + + for (i = 0; except[i] > 0; i++) { + if (sig == except[i]) { + reset = 0; + break; + } + } + } + } + + if (reset) { + struct sigaction sa; + + memset(&sa, 0, sizeof(sa)); + sa.sa_handler = SIG_DFL; + + /* On Linux the first two RT signals are reserved by + * glibc, and sigaction() will return EINVAL for them. */ + if ((sigaction(sig, &sa, NULL) < 0)) + if (errno != EINVAL) + return -1; + } + } + + return 0; +} + +void pa_set_env(const char *key, const char *value) { + pa_assert(key); + pa_assert(value); + + putenv(pa_sprintf_malloc("%s=%s", key, value)); +} diff --git a/src/pulsecore/core-util.h b/src/pulsecore/core-util.h index c8760a1f..ec4cdc43 100644 --- a/src/pulsecore/core-util.h +++ b/src/pulsecore/core-util.h @@ -30,11 +30,27 @@ #include #include -#include +#ifdef HAVE_SYS_RESOURCE_H +#include +#endif + +#include #include struct timeval; +/* These resource limits are pretty new on Linux, let's define them + * here manually, in case the kernel is newer than the glibc */ +#if !defined(RLIMIT_NICE) && defined(__linux__) +#define RLIMIT_NICE 13 +#endif +#if !defined(RLIMIT_RTPRIO) && defined(__linux__) +#define RLIMIT_RTPRIO 14 +#endif +#if !defined(RLIMIT_RTTIME) && defined(__linux__) +#define RLIMIT_RTTIME 15 +#endif + void pa_make_fd_nonblock(int fd); void pa_make_fd_cloexec(int fd); @@ -61,12 +77,23 @@ int pa_make_realtime(int rtprio); int pa_raise_priority(int nice_level); void pa_reset_priority(void); +pa_bool_t pa_can_realtime(void); +pa_bool_t pa_can_high_priority(void); + int pa_parse_boolean(const char *s) PA_GCC_PURE; static inline const char *pa_yes_no(pa_bool_t b) { return b ? "yes" : "no"; } +static inline const char *pa_strnull(const char *x) { + return x ? x : "(null)"; +} + +static inline const char *pa_strempty(const char *x) { + return x ? x : ""; +} + char *pa_split(const char *c, const char*delimiters, const char **state); char *pa_split_spaces(const char *c, const char **state); @@ -84,26 +111,30 @@ int pa_lock_fd(int fd, int b); int pa_lock_lockfile(const char *fn); int pa_unlock_lockfile(const char *fn, int fd); -FILE *pa_open_config_file(const char *global, const char *local, const char *env, char **result, const char *mode); - char *pa_hexstr(const uint8_t* d, size_t dlength, char *s, size_t slength); size_t pa_parsehex(const char *p, uint8_t *d, size_t dlength); int pa_startswith(const char *s, const char *pfx) PA_GCC_PURE; int pa_endswith(const char *s, const char *sfx) PA_GCC_PURE; -char *pa_runtime_path(const char *fn, char *s, size_t l); +FILE *pa_open_config_file(const char *global, const char *local, const char *env, char **result); +char* pa_find_config_file(const char *global, const char *local, const char *env); + +char *pa_get_runtime_dir(void); +char *pa_runtime_path(const char *fn); int pa_atoi(const char *s, int32_t *ret_i); int pa_atou(const char *s, uint32_t *ret_u); int pa_atof(const char *s, float *ret_f); int pa_snprintf(char *str, size_t size, const char *format, ...); +int pa_vsnprintf(char *str, size_t size, const char *format, va_list ap); char *pa_truncate_utf8(char *c, size_t l); char *pa_getcwd(void); char *pa_make_path_absolute(const char *p); +pa_bool_t pa_is_path_absolute(const char *p); void *pa_will_need(const void *p, size_t l); @@ -125,8 +156,28 @@ static inline unsigned pa_make_power_of_two(unsigned n) { return n + 1; } +static inline unsigned pa_ulog2(unsigned n) { + unsigned r = 0; + + while (n) { + r++; + n = n >> 1; + } + + return r; +} + void pa_close_pipe(int fds[2]); char *pa_readlink(const char *p); +int pa_close_all(int except_fd, ...); +int pa_close_allv(const int except_fds[]); +int pa_unblock_sigs(int except, ...); +int pa_unblock_sigsv(const int except[]); +int pa_reset_sigs(int except, ...); +int pa_reset_sigsv(const int except[]); + +void pa_set_env(const char *key, const char *value); + #endif diff --git a/src/pulsecore/core.c b/src/pulsecore/core.c index cf018509..3b758a38 100644 --- a/src/pulsecore/core.c +++ b/src/pulsecore/core.c @@ -125,6 +125,7 @@ pa_core* pa_core_new(pa_mainloop_api *m, int shared) { c->subscription_event_last = NULL; c->mempool = pool; + pa_silence_cache_init(&c->silence_cache); c->quit_event = NULL; @@ -188,6 +189,7 @@ static void core_free(pa_object *o) { pa_xfree(c->default_source_name); pa_xfree(c->default_sink_name); + pa_silence_cache_done(&c->silence_cache); pa_mempool_free(c->mempool); pa_property_cleanup(c); diff --git a/src/pulsecore/core.h b/src/pulsecore/core.h index ce45e300..50c05b4c 100644 --- a/src/pulsecore/core.h +++ b/src/pulsecore/core.h @@ -35,6 +35,7 @@ #include #include #include +#include typedef struct pa_core pa_core; @@ -43,16 +44,20 @@ typedef struct pa_core pa_core; #include typedef enum pa_core_hook { - PA_CORE_HOOK_SINK_NEW_POST, + PA_CORE_HOOK_SINK_NEW, + PA_CORE_HOOK_SINK_FIXATE, + PA_CORE_HOOK_SINK_PUT, PA_CORE_HOOK_SINK_UNLINK, PA_CORE_HOOK_SINK_UNLINK_POST, PA_CORE_HOOK_SINK_STATE_CHANGED, - PA_CORE_HOOK_SINK_DESCRIPTION_CHANGED, - PA_CORE_HOOK_SOURCE_NEW_POST, + PA_CORE_HOOK_SINK_PROPLIST_CHANGED, + PA_CORE_HOOK_SOURCE_NEW, + PA_CORE_HOOK_SOURCE_FIXATE, + PA_CORE_HOOK_SOURCE_PUT, PA_CORE_HOOK_SOURCE_UNLINK, PA_CORE_HOOK_SOURCE_UNLINK_POST, PA_CORE_HOOK_SOURCE_STATE_CHANGED, - PA_CORE_HOOK_SOURCE_DESCRIPTION_CHANGED, + PA_CORE_HOOK_SOURCE_PROPLIST_CHANGED, PA_CORE_HOOK_SINK_INPUT_NEW, PA_CORE_HOOK_SINK_INPUT_FIXATE, PA_CORE_HOOK_SINK_INPUT_PUT, @@ -60,8 +65,8 @@ typedef enum pa_core_hook { PA_CORE_HOOK_SINK_INPUT_UNLINK_POST, PA_CORE_HOOK_SINK_INPUT_MOVE, PA_CORE_HOOK_SINK_INPUT_MOVE_POST, - PA_CORE_HOOK_SINK_INPUT_NAME_CHANGED, PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED, + PA_CORE_HOOK_SINK_INPUT_PROPLIST_CHANGED, PA_CORE_HOOK_SOURCE_OUTPUT_NEW, PA_CORE_HOOK_SOURCE_OUTPUT_FIXATE, PA_CORE_HOOK_SOURCE_OUTPUT_PUT, @@ -69,8 +74,8 @@ typedef enum pa_core_hook { PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK_POST, PA_CORE_HOOK_SOURCE_OUTPUT_MOVE, PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_POST, - PA_CORE_HOOK_SOURCE_OUTPUT_NAME_CHANGED, PA_CORE_HOOK_SOURCE_OUTPUT_STATE_CHANGED, + PA_CORE_HOOK_SOURCE_OUTPUT_PROPLIST_CHANGED, PA_CORE_HOOK_MAX } pa_core_hook_t; @@ -108,6 +113,7 @@ struct pa_core { pa_subscription_event *subscription_event_last; pa_mempool *mempool; + pa_silence_cache silence_cache; int exit_idle_time, module_idle_time, scache_idle_time; diff --git a/src/pulsecore/envelope.c b/src/pulsecore/envelope.c index 571f8754..2f5da5a0 100644 --- a/src/pulsecore/envelope.c +++ b/src/pulsecore/envelope.c @@ -381,7 +381,7 @@ static void envelope_merge(pa_envelope *e, int v) { break; if (e->points[v].n_points >= e->points[v].n_allocated) { - e->points[v].n_allocated = MAX(e->points[v].n_points*2, PA_ENVELOPE_POINTS_MAX); + e->points[v].n_allocated = PA_MAX(e->points[v].n_points*2, PA_ENVELOPE_POINTS_MAX); e->points[v].x = pa_xrealloc(e->points[v].x, sizeof(size_t) * e->points[v].n_allocated); e->points[v].y.i = pa_xrealloc(e->points[v].y.i, sizeof(int32_t) * e->points[v].n_allocated); diff --git a/src/pulsecore/envelope.h b/src/pulsecore/envelope.h index 23be8f6a..c54c137a 100644 --- a/src/pulsecore/envelope.h +++ b/src/pulsecore/envelope.h @@ -29,7 +29,7 @@ #include -#define PA_ENVELOPE_POINTS_MAX 4 +#define PA_ENVELOPE_POINTS_MAX 4U typedef struct pa_envelope pa_envelope; typedef struct pa_envelope_item pa_envelope_item; diff --git a/src/pulsecore/fdsem.c b/src/pulsecore/fdsem.c index 59eec18e..22d2a850 100644 --- a/src/pulsecore/fdsem.c +++ b/src/pulsecore/fdsem.c @@ -78,21 +78,19 @@ struct pa_fdsem { #ifdef HAVE_EVENTFD int efd; #endif - pa_atomic_t waiting; - pa_atomic_t signalled; - pa_atomic_t in_pipe; + + pa_fdsem_data *data; }; pa_fdsem *pa_fdsem_new(void) { pa_fdsem *f; - f = pa_xnew(pa_fdsem, 1); + f = pa_xmalloc(PA_ALIGN(sizeof(pa_fdsem)) + PA_ALIGN(sizeof(pa_fdsem_data))); #ifdef HAVE_EVENTFD if ((f->efd = eventfd(0)) >= 0) { pa_make_fd_cloexec(f->efd); f->fds[0] = f->fds[1] = -1; - } else #endif { @@ -105,9 +103,57 @@ pa_fdsem *pa_fdsem_new(void) { pa_make_fd_cloexec(f->fds[1]); } - pa_atomic_store(&f->waiting, 0); - pa_atomic_store(&f->signalled, 0); - pa_atomic_store(&f->in_pipe, 0); + f->data = (pa_fdsem_data*) ((uint8_t*) f + PA_ALIGN(sizeof(pa_fdsem))); + + pa_atomic_store(&f->data->waiting, 0); + pa_atomic_store(&f->data->signalled, 0); + pa_atomic_store(&f->data->in_pipe, 0); + + return f; +} + +pa_fdsem *pa_fdsem_open_shm(pa_fdsem_data *data, int event_fd) { + pa_fdsem *f = NULL; + + pa_assert(data); + pa_assert(event_fd >= 0); + +#ifdef HAVE_EVENTFD + f = pa_xnew(pa_fdsem, 1); + + f->efd = event_fd; + pa_make_fd_cloexec(f->efd); + f->fds[0] = f->fds[1] = -1; + f->data = data; +#endif + + return f; +} + +pa_fdsem *pa_fdsem_new_shm(pa_fdsem_data *data, int* event_fd) { + pa_fdsem *f = NULL; + + pa_assert(data); + pa_assert(event_fd); + +#ifdef HAVE_EVENTFD + + f = pa_xnew(pa_fdsem, 1); + + if ((f->efd = eventfd(0)) < 0) { + pa_xfree(f); + return NULL; + } + + pa_make_fd_cloexec(f->efd); + f->fds[0] = f->fds[1] = -1; + f->data = data; + + pa_atomic_store(&f->data->waiting, 0); + pa_atomic_store(&f->data->signalled, 0); + pa_atomic_store(&f->data->in_pipe, 0); + +#endif return f; } @@ -128,7 +174,7 @@ static void flush(pa_fdsem *f) { ssize_t r; pa_assert(f); - if (pa_atomic_load(&f->in_pipe) <= 0) + if (pa_atomic_load(&f->data->in_pipe) <= 0) return; do { @@ -151,19 +197,19 @@ static void flush(pa_fdsem *f) { continue; } - } while (pa_atomic_sub(&f->in_pipe, r) > r); + } while (pa_atomic_sub(&f->data->in_pipe, r) > r); } void pa_fdsem_post(pa_fdsem *f) { pa_assert(f); - if (pa_atomic_cmpxchg(&f->signalled, 0, 1)) { + if (pa_atomic_cmpxchg(&f->data->signalled, 0, 1)) { - if (pa_atomic_load(&f->waiting)) { + if (pa_atomic_load(&f->data->waiting)) { ssize_t r; char x = 'x'; - pa_atomic_inc(&f->in_pipe); + pa_atomic_inc(&f->data->in_pipe); for (;;) { @@ -194,12 +240,12 @@ void pa_fdsem_wait(pa_fdsem *f) { flush(f); - if (pa_atomic_cmpxchg(&f->signalled, 1, 0)) + if (pa_atomic_cmpxchg(&f->data->signalled, 1, 0)) return; - pa_atomic_inc(&f->waiting); + pa_atomic_inc(&f->data->waiting); - while (!pa_atomic_cmpxchg(&f->signalled, 1, 0)) { + while (!pa_atomic_cmpxchg(&f->data->signalled, 1, 0)) { char x[10]; ssize_t r; @@ -221,10 +267,10 @@ void pa_fdsem_wait(pa_fdsem *f) { continue; } - pa_atomic_sub(&f->in_pipe, r); + pa_atomic_sub(&f->data->in_pipe, r); } - pa_assert_se(pa_atomic_dec(&f->waiting) >= 1); + pa_assert_se(pa_atomic_dec(&f->data->waiting) >= 1); } int pa_fdsem_try(pa_fdsem *f) { @@ -232,7 +278,7 @@ int pa_fdsem_try(pa_fdsem *f) { flush(f); - if (pa_atomic_cmpxchg(&f->signalled, 1, 0)) + if (pa_atomic_cmpxchg(&f->data->signalled, 1, 0)) return 1; return 0; @@ -254,13 +300,13 @@ int pa_fdsem_before_poll(pa_fdsem *f) { flush(f); - if (pa_atomic_cmpxchg(&f->signalled, 1, 0)) + if (pa_atomic_cmpxchg(&f->data->signalled, 1, 0)) return -1; - pa_atomic_inc(&f->waiting); + pa_atomic_inc(&f->data->waiting); - if (pa_atomic_cmpxchg(&f->signalled, 1, 0)) { - pa_assert_se(pa_atomic_dec(&f->waiting) >= 1); + if (pa_atomic_cmpxchg(&f->data->signalled, 1, 0)) { + pa_assert_se(pa_atomic_dec(&f->data->waiting) >= 1); return -1; } return 0; @@ -269,11 +315,11 @@ int pa_fdsem_before_poll(pa_fdsem *f) { int pa_fdsem_after_poll(pa_fdsem *f) { pa_assert(f); - pa_assert_se(pa_atomic_dec(&f->waiting) >= 1); + pa_assert_se(pa_atomic_dec(&f->data->waiting) >= 1); flush(f); - if (pa_atomic_cmpxchg(&f->signalled, 1, 0)) + if (pa_atomic_cmpxchg(&f->data->signalled, 1, 0)) return 1; return 0; diff --git a/src/pulsecore/fdsem.h b/src/pulsecore/fdsem.h index f38ef205..f4f7b99a 100644 --- a/src/pulsecore/fdsem.h +++ b/src/pulsecore/fdsem.h @@ -33,7 +33,15 @@ typedef struct pa_fdsem pa_fdsem; +typedef struct pa_fdsem_data { + pa_atomic_t waiting; + pa_atomic_t signalled; + pa_atomic_t in_pipe; +} pa_fdsem_data; + pa_fdsem *pa_fdsem_new(void); +pa_fdsem *pa_fdsem_open_shm(pa_fdsem_data *data, int event_fd); +pa_fdsem *pa_fdsem_new_shm(pa_fdsem_data *data, int* event_fd); void pa_fdsem_free(pa_fdsem *f); void pa_fdsem_post(pa_fdsem *f); diff --git a/src/pulsecore/flist.h b/src/pulsecore/flist.h index daf0fec4..3d9a89a2 100644 --- a/src/pulsecore/flist.h +++ b/src/pulsecore/flist.h @@ -25,9 +25,9 @@ ***/ #include +#include #include -#include /* A multiple-reader multipler-write lock-free free list implementation */ diff --git a/src/pulsecore/gccmacro.h b/src/pulsecore/gccmacro.h deleted file mode 100644 index f94a8c45..00000000 --- a/src/pulsecore/gccmacro.h +++ /dev/null @@ -1,90 +0,0 @@ -#ifndef foopulsegccmacrohfoo -#define foopulsegccmacrohfoo - -/* $Id$ */ - -/*** - This file is part of PulseAudio. - - Copyright 2004-2006 Lennart Poettering - - PulseAudio is free software; you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as published - by the Free Software Foundation; either version 2 of the License, - or (at your option) any later version. - - PulseAudio is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with PulseAudio; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. -***/ - -#ifdef __GNUC__ -#define PA_GCC_PRINTF_ATTR(a,b) __attribute__ ((format (printf, a, b))) -#else -/** If we're in GNU C, use some magic for detecting invalid format strings */ -#define PA_GCC_PRINTF_ATTR(a,b) -#endif - -#if defined(__GNUC__) && (__GNUC__ >= 4) -#define PA_GCC_SENTINEL __attribute__ ((sentinel)) -#else -/** Macro for usage of GCC's sentinel compilation warnings */ -#define PA_GCC_SENTINEL -#endif - -#ifdef __GNUC__ -#define PA_GCC_NORETURN __attribute__((noreturn)) -#else -/** Macro for no-return functions */ -#define PA_GCC_NORETURN -#endif - -#ifdef __GNUC__ -#define PA_GCC_UNUSED __attribute__ ((unused)) -#else -/** Macro for not used parameter */ -#define PA_GCC_UNUSED -#endif - -#ifdef __GNUC__ -#define PA_GCC_DESTRUCTOR __attribute__ ((destructor)) -#else -/** Call this function when process terminates */ -#define PA_GCC_DESTRUCTOR -#endif - -#ifndef PA_GCC_PURE -#ifdef __GNUC__ -#define PA_GCC_PURE __attribute__ ((pure)) -#else -/** This function's return value depends only the arguments list and global state **/ -#define PA_GCC_PURE -#endif -#endif - -#ifndef PA_GCC_CONST -#ifdef __GNUC__ -#define PA_GCC_CONST __attribute__ ((const)) -#else -/** This function's return value depends only the arguments list (stricter version of PA_GCC_PURE) **/ -#define PA_GCC_CONST -#endif -#endif - -#ifndef PA_LIKELY -#ifdef __GNUC__ -#define PA_LIKELY(x) (__builtin_expect(!!(x),1)) -#define PA_UNLIKELY(x) (__builtin_expect((x),0)) -#else -#define PA_LIKELY(x) (x) -#define PA_UNLIKELY(x) (x) -#endif -#endif - -#endif diff --git a/src/pulsecore/hook-list.h b/src/pulsecore/hook-list.h index b3bd600a..c288980d 100644 --- a/src/pulsecore/hook-list.h +++ b/src/pulsecore/hook-list.h @@ -24,9 +24,10 @@ USA. ***/ -#include #include -#include +#include + +#include typedef struct pa_hook_slot pa_hook_slot; typedef struct pa_hook pa_hook; diff --git a/src/pulsecore/ioline.c b/src/pulsecore/ioline.c index 5fd2189b..85bbadc4 100644 --- a/src/pulsecore/ioline.c +++ b/src/pulsecore/ioline.c @@ -49,7 +49,6 @@ struct pa_ioline { pa_iochannel *io; pa_defer_event *defer_event; pa_mainloop_api *mainloop; - int dead; char *wbuf; size_t wbuf_length, wbuf_index, wbuf_valid_length; @@ -57,10 +56,11 @@ struct pa_ioline { char *rbuf; size_t rbuf_length, rbuf_index, rbuf_valid_length; - void (*callback)(pa_ioline*io, const char *s, void *userdata); + pa_ioline_cb_t callback; void *userdata; - int defer_close; + pa_bool_t dead:1; + pa_bool_t defer_close:1; }; static void io_callback(pa_iochannel*io, void *userdata); @@ -73,7 +73,6 @@ pa_ioline* pa_ioline_new(pa_iochannel *io) { l = pa_xnew(pa_ioline, 1); PA_REFCNT_INIT(l); l->io = io; - l->dead = 0; l->wbuf = NULL; l->wbuf_length = l->wbuf_index = l->wbuf_valid_length = 0; @@ -89,7 +88,8 @@ pa_ioline* pa_ioline_new(pa_iochannel *io) { l->defer_event = l->mainloop->defer_new(l->mainloop, defer_callback, l); l->mainloop->defer_enable(l->defer_event, 0); - l->defer_close = 0; + l->dead = FALSE; + l->defer_close = FALSE; pa_iochannel_set_callback(io, io_callback, l); @@ -130,7 +130,7 @@ void pa_ioline_close(pa_ioline *l) { pa_assert(l); pa_assert(PA_REFCNT_VALUE(l) >= 1); - l->dead = 1; + l->dead = TRUE; if (l->io) { pa_iochannel_free(l->io); @@ -166,11 +166,13 @@ void pa_ioline_puts(pa_ioline *l, const char *c) { /* In case the allocated buffer is too small, enlarge it. */ if (l->wbuf_valid_length + len > l->wbuf_length) { size_t n = l->wbuf_valid_length+len; - char *new = pa_xmalloc(n); + char *new = pa_xnew(char, n); + if (l->wbuf) { memcpy(new, l->wbuf+l->wbuf_index, l->wbuf_valid_length); pa_xfree(l->wbuf); } + l->wbuf = new; l->wbuf_length = n; l->wbuf_index = 0; @@ -191,15 +193,18 @@ void pa_ioline_puts(pa_ioline *l, const char *c) { } } -void pa_ioline_set_callback(pa_ioline*l, void (*callback)(pa_ioline*io, const char *s, void *userdata), void *userdata) { +void pa_ioline_set_callback(pa_ioline*l, pa_ioline_cb_t callback, void *userdata) { pa_assert(l); pa_assert(PA_REFCNT_VALUE(l) >= 1); + if (l->dead) + return; + l->callback = callback; l->userdata = userdata; } -static void failure(pa_ioline *l, int process_leftover) { +static void failure(pa_ioline *l, pa_bool_t process_leftover) { pa_assert(l); pa_assert(PA_REFCNT_VALUE(l) >= 1); pa_assert(!l->dead); @@ -247,7 +252,7 @@ static void scan_for_lines(pa_ioline *l, size_t skip) { l->rbuf_index = 0; if (l->callback) - l->callback(l, p, l->userdata); + l->callback(l, pa_strip_nl(p), l->userdata); skip = 0; } @@ -282,7 +287,7 @@ static int do_read(pa_ioline *l) { memmove(l->rbuf, l->rbuf+l->rbuf_index, l->rbuf_valid_length); } else { /* Enlarge the buffer */ - char *new = pa_xmalloc(n); + char *new = pa_xnew(char, n); if (l->rbuf_valid_length) memcpy(new, l->rbuf+l->rbuf_index, l->rbuf_valid_length); pa_xfree(l->rbuf); @@ -299,11 +304,15 @@ static int do_read(pa_ioline *l) { /* Read some data */ if ((r = pa_iochannel_read(l->io, l->rbuf+l->rbuf_index+l->rbuf_valid_length, len)) <= 0) { + + if (r < 0 && errno == EAGAIN) + return 0; + if (r < 0 && errno != ECONNRESET) { pa_log("read(): %s", pa_cstrerror(errno)); - failure(l, 0); + failure(l, FALSE); } else - failure(l, 1); + failure(l, TRUE); return -1; } @@ -328,10 +337,13 @@ static int do_write(pa_ioline *l) { if ((r = pa_iochannel_write(l->io, l->wbuf+l->wbuf_index, l->wbuf_valid_length)) <= 0) { + if (r < 0 && errno == EAGAIN) + return 0; + if (r < 0 && errno != EPIPE) pa_log("write(): %s", pa_cstrerror(errno)); - failure(l, 0); + failure(l, FALSE); return -1; } @@ -363,7 +375,7 @@ static void do_work(pa_ioline *l) { do_write(l); if (l->defer_close && !l->wbuf_valid_length) - failure(l, 1); + failure(l, TRUE); pa_ioline_unref(l); } @@ -393,7 +405,7 @@ void pa_ioline_defer_close(pa_ioline *l) { pa_assert(l); pa_assert(PA_REFCNT_VALUE(l) >= 1); - l->defer_close = 1; + l->defer_close = TRUE; if (!l->wbuf_valid_length) l->mainloop->defer_enable(l->defer_event, 1); diff --git a/src/pulsecore/ioline.h b/src/pulsecore/ioline.h index 8475b798..f4edc7b4 100644 --- a/src/pulsecore/ioline.h +++ b/src/pulsecore/ioline.h @@ -33,6 +33,8 @@ typedef struct pa_ioline pa_ioline; +typedef void (*pa_ioline_cb_t)(pa_ioline*io, const char *s, void *userdata); + pa_ioline* pa_ioline_new(pa_iochannel *io); void pa_ioline_unref(pa_ioline *l); pa_ioline* pa_ioline_ref(pa_ioline *l); @@ -45,7 +47,7 @@ void pa_ioline_puts(pa_ioline *s, const char *c); void pa_ioline_printf(pa_ioline *s, const char *format, ...) PA_GCC_PRINTF_ATTR(2,3); /* Set the callback function that is called for every recieved line */ -void pa_ioline_set_callback(pa_ioline*io, void (*callback)(pa_ioline*io, const char *s, void *userdata), void *userdata); +void pa_ioline_set_callback(pa_ioline*io, pa_ioline_cb_t callback, void *userdata); /* Make sure to close the ioline object as soon as the send buffer is emptied */ void pa_ioline_defer_close(pa_ioline *io); diff --git a/src/pulsecore/log.c b/src/pulsecore/log.c index c824e84d..b5929ec4 100644 --- a/src/pulsecore/log.c +++ b/src/pulsecore/log.c @@ -30,6 +30,7 @@ #include #include #include +#include #ifdef HAVE_SYSLOG_H #include @@ -108,7 +109,12 @@ void pa_log_levelv_meta( va_list ap) { const char *e; - char *text, *t, *n, *location; + char *t, *n; + int saved_errno = errno; + + /* We don't use dynamic memory allocation here to minimize the hit + * in RT threads */ + char text[1024], location[128]; pa_assert(level < PA_LOG_LEVEL_MAX); pa_assert(format); @@ -116,17 +122,19 @@ void pa_log_levelv_meta( if ((e = getenv(ENV_LOGLEVEL))) maximal_level = atoi(e); - if (level > maximal_level) + if (level > maximal_level) { + errno = saved_errno; return; + } - text = pa_vsprintf_malloc(format, ap); + pa_vsnprintf(text, sizeof(text), format, ap); if (getenv(ENV_LOGMETA) && file && line > 0 && func) - location = pa_sprintf_malloc("[%s:%i %s()] ", file, line, func); + pa_snprintf(location, sizeof(location), "[%s:%i %s()] ", file, line, func); else if (file) - location = pa_sprintf_malloc("%s: ", pa_path_get_filename(file)); + pa_snprintf(location, sizeof(location), "%s: ", pa_path_get_filename(file)); else - location = pa_xstrdup(""); + location[0] = 0; if (!pa_utf8_valid(text)) pa_log_level(level, __FILE__": invalid UTF-8 string following below:"); @@ -158,6 +166,8 @@ void pa_log_levelv_meta( } #endif + /* We shouldn't be using dynamic allocation here to + * minimize the hit in RT threads */ local_t = pa_utf8_to_locale(t); if (!local_t) fprintf(stderr, "%c: %s%s%s%s\n", level_to_char[level], location, prefix, t, suffix); @@ -189,11 +199,10 @@ void pa_log_levelv_meta( #endif case PA_LOG_USER: { - char *x; + char x[1024]; - x = pa_sprintf_malloc("%s%s", location, t); + pa_snprintf(x, sizeof(x), "%s%s", location, t); user_log_func(level, x); - pa_xfree(x); break; } @@ -204,8 +213,7 @@ void pa_log_levelv_meta( } } - pa_xfree(text); - pa_xfree(location); + errno = saved_errno; } void pa_log_level_meta( diff --git a/src/pulsecore/log.h b/src/pulsecore/log.h index b0711dca..765dd2e5 100644 --- a/src/pulsecore/log.h +++ b/src/pulsecore/log.h @@ -27,7 +27,7 @@ #include #include -#include +#include /* A simple logging subsystem */ diff --git a/src/pulsecore/ltdl-helper.c b/src/pulsecore/ltdl-helper.c index 711396d8..b83897a6 100644 --- a/src/pulsecore/ltdl-helper.c +++ b/src/pulsecore/ltdl-helper.c @@ -42,12 +42,14 @@ pa_void_func_t pa_load_sym(lt_dlhandle handle, const char *module, const char *s pa_void_func_t f; pa_assert(handle); - pa_assert(module); pa_assert(symbol); - if ((f = ((pa_void_func_t) (long) lt_dlsym(handle, symbol)))) + if ((f = ((pa_void_func_t) (size_t) lt_dlsym(handle, symbol)))) return f; + if (!module) + return NULL; + /* As the .la files might have been cleansed from the system, we should * try with the ltdl prefix as well. */ @@ -57,7 +59,7 @@ pa_void_func_t pa_load_sym(lt_dlhandle handle, const char *module, const char *s if (!isalnum(*c)) *c = '_'; - f = (pa_void_func_t) (long) lt_dlsym(handle, sn); + f = (pa_void_func_t) (size_t) lt_dlsym(handle, sn); pa_xfree(sn); return f; diff --git a/src/pulsecore/macro.h b/src/pulsecore/macro.h index ba538172..1d9eafd5 100644 --- a/src/pulsecore/macro.h +++ b/src/pulsecore/macro.h @@ -33,12 +33,22 @@ #include #include -#include +#include #ifndef PACKAGE #error "Please include config.h before including this file!" #endif +#ifndef PA_LIKELY +#ifdef __GNUC__ +#define PA_LIKELY(x) (__builtin_expect(!!(x),1)) +#define PA_UNLIKELY(x) (__builtin_expect((x),0)) +#else +#define PA_LIKELY(x) (x) +#define PA_UNLIKELY(x) (x) +#endif +#endif + #if defined(PAGE_SIZE) #define PA_PAGE_SIZE ((size_t) PAGE_SIZE) #elif defined(PAGESIZE) @@ -67,19 +77,53 @@ static inline size_t pa_page_align(size_t l) { #define PA_ELEMENTSOF(x) (sizeof(x)/sizeof((x)[0])) -#ifndef MAX -#define MAX(a, b) ((a) > (b) ? (a) : (b)) +/* The users of PA_MIN and PA_MAX should be aware that these macros on + * non-GCC executed code with side effects twice. It is thus + * considered misuse to use code with side effects as arguments to MIN + * and MAX. */ + +#ifdef __GNUC__ +#define PA_MAX(a,b) \ + __extension__ ({ typeof(a) _a = (a); \ + typeof(b) _b = (b); \ + _a > _b ? _a : _b; \ + }) +#else +#define PA_MAX(a, b) ((a) > (b) ? (a) : (b)) #endif -#ifndef MIN -#define MIN(a, b) ((a) < (b) ? (a) : (b)) +#ifdef __GNUC__ +#define PA_MIN(a,b) \ + __extension__ ({ typeof(a) _a = (a); \ + typeof(b) _b = (b); \ + _a < _b ? _a : _b; \ + }) +#else +#define PA_MIN(a, b) ((a) < (b) ? (a) : (b)) #endif -#ifndef CLAMP -#define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x))) +#ifdef __GNUC__ +#define PA_CLAMP(x, low, high) \ + __extension__ ({ typeof(x) _x = (x); \ + typeof(low) _low = (low); \ + typeof(high) _high = (high); \ + ((_x > _high) ? _high : ((_x < _low) ? _low : _x)); \ + }) +#else +#define PA_CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x))) #endif +#ifdef __GNUC__ +#define PA_CLAMP_UNLIKELY(x, low, high) \ + __extension__ ({ typeof(x) _x = (x); \ + typeof(low) _low = (low); \ + typeof(high) _high = (high); \ + (PA_UNLIKELY(_x > _high) ? _high : (PA_UNLIKELY(_x < _low) ? _low : _x)); \ + }) +#else #define PA_CLAMP_UNLIKELY(x, low, high) (PA_UNLIKELY((x) > (high)) ? (high) : (PA_UNLIKELY((x) < (low)) ? (low) : (x))) +#endif + /* We don't define a PA_CLAMP_LIKELY here, because it doesn't really * make sense: we cannot know if it is more likely that the values is * lower or greater than the boundaries.*/ @@ -166,8 +210,17 @@ typedef int pa_bool_t; #define PA_PATH_SEP_CHAR '/' #endif -static inline const char *pa_strnull(const char *x) { - return x ? x : "(null)"; -} +#ifdef __GNUC__ + +#define PA_WARN_REFERENCE(sym, msg) \ + __asm__(".section .gnu.warning." #sym); \ + __asm__(".asciz \"" msg "\""); \ + __asm__(".previous") + +#else + +#define PA_WARN_REFERENCE(sym, msg) + +#endif #endif diff --git a/src/pulsecore/mcalign.c b/src/pulsecore/mcalign.c index 8ca7c962..e12f84f8 100644 --- a/src/pulsecore/mcalign.c +++ b/src/pulsecore/mcalign.c @@ -197,7 +197,6 @@ int pa_mcalign_pop(pa_mcalign *m, pa_memchunk *c) { /* There's simply nothing */ return -1; - } size_t pa_mcalign_csize(pa_mcalign *m, size_t l) { @@ -211,3 +210,11 @@ size_t pa_mcalign_csize(pa_mcalign *m, size_t l) { return (l/m->base)*m->base; } + +void pa_mcalign_flush(pa_mcalign *m) { + pa_memchunk chunk; + pa_assert(m); + + while (pa_mcalign_pop(m, &chunk) >= 0) + pa_memblock_unref(chunk.memblock); +} diff --git a/src/pulsecore/mcalign.h b/src/pulsecore/mcalign.h index 6ff8f94e..6c8b8d5f 100644 --- a/src/pulsecore/mcalign.h +++ b/src/pulsecore/mcalign.h @@ -79,4 +79,7 @@ int pa_mcalign_pop(pa_mcalign *m, pa_memchunk *c); /* If we pass l bytes in now, how many bytes would we get out? */ size_t pa_mcalign_csize(pa_mcalign *m, size_t l); +/* Flush what's still stored in the aligner */ +void pa_mcalign_flush(pa_mcalign *m); + #endif diff --git a/src/pulsecore/memblock.c b/src/pulsecore/memblock.c index 99b5a13f..7005b441 100644 --- a/src/pulsecore/memblock.c +++ b/src/pulsecore/memblock.c @@ -46,8 +46,12 @@ #include "memblock.h" -#define PA_MEMPOOL_SLOTS_MAX 128 -#define PA_MEMPOOL_SLOT_SIZE (16*1024) +/* We can allocate 64*1024*1024 bytes at maximum. That's 64MB. Please + * note that the footprint is usually much smaller, since the data is + * stored in SHM and our OS does not commit the memory before we use + * it for the first time. */ +#define PA_MEMPOOL_SLOTS_MAX 1024 +#define PA_MEMPOOL_SLOT_SIZE (64*1024) #define PA_MEMEXPORT_SLOTS_MAX 128 @@ -59,7 +63,9 @@ struct pa_memblock { pa_mempool *pool; pa_memblock_type_t type; - int read_only; /* boolean */ + + pa_bool_t read_only:1; + pa_bool_t is_silence:1; pa_atomic_ptr_t data; size_t length; @@ -125,11 +131,6 @@ struct pa_memexport { PA_LLIST_FIELDS(pa_memexport); }; -struct mempool_slot { - PA_LLIST_FIELDS(struct mempool_slot); - /* the actual data follows immediately hereafter */ -}; - struct pa_mempool { pa_semaphore *semaphore; pa_mutex *mutex; @@ -202,7 +203,7 @@ pa_memblock *pa_memblock_new(pa_mempool *p, size_t length) { pa_memblock *b; pa_assert(p); - pa_assert(length > 0); + pa_assert(length); if (!(b = pa_memblock_new_pool(p, length))) b = memblock_new_appended(p, length); @@ -215,18 +216,18 @@ static pa_memblock *memblock_new_appended(pa_mempool *p, size_t length) { pa_memblock *b; pa_assert(p); - pa_assert(length > 0); + pa_assert(length); /* If -1 is passed as length we choose the size for the caller. */ if (length == (size_t) -1) - length = p->block_size - PA_ALIGN(sizeof(struct mempool_slot)) - PA_ALIGN(sizeof(pa_memblock)); + length = p->block_size - PA_ALIGN(sizeof(pa_memblock)); b = pa_xmalloc(PA_ALIGN(sizeof(pa_memblock)) + length); PA_REFCNT_INIT(b); b->pool = p; b->type = PA_MEMBLOCK_APPENDED; - b->read_only = 0; + b->read_only = b->is_silence = FALSE; pa_atomic_ptr_store(&b->data, (uint8_t*) b + PA_ALIGN(sizeof(pa_memblock))); b->length = length; pa_atomic_store(&b->n_acquired, 0); @@ -252,7 +253,7 @@ static struct mempool_slot* mempool_allocate_slot(pa_mempool *p) { slot = (struct mempool_slot*) ((uint8_t*) p->memory.ptr + (p->block_size * idx)); if (!slot) { - pa_log_debug("Pool full"); + pa_log_info("Pool full"); pa_atomic_inc(&p->stat.n_pool_full); return NULL; } @@ -261,11 +262,9 @@ static struct mempool_slot* mempool_allocate_slot(pa_mempool *p) { return slot; } -/* No lock necessary */ -static void* mempool_slot_data(struct mempool_slot *slot) { - pa_assert(slot); - - return (uint8_t*) slot + PA_ALIGN(sizeof(struct mempool_slot)); +/* No lock necessary, totally redundant anyway */ +static inline void* mempool_slot_data(struct mempool_slot *slot) { + return slot; } /* No lock necessary */ @@ -294,7 +293,7 @@ pa_memblock *pa_memblock_new_pool(pa_mempool *p, size_t length) { struct mempool_slot *slot; pa_assert(p); - pa_assert(length > 0); + pa_assert(length); /* If -1 is passed as length we choose the size for the caller: we * take the largest size that fits in one of our slots. */ @@ -302,7 +301,7 @@ pa_memblock *pa_memblock_new_pool(pa_mempool *p, size_t length) { if (length == (size_t) -1) length = pa_mempool_block_size_max(p); - if (p->block_size - PA_ALIGN(sizeof(struct mempool_slot)) >= PA_ALIGN(sizeof(pa_memblock)) + length) { + if (p->block_size >= PA_ALIGN(sizeof(pa_memblock)) + length) { if (!(slot = mempool_allocate_slot(p))) return NULL; @@ -311,7 +310,7 @@ pa_memblock *pa_memblock_new_pool(pa_mempool *p, size_t length) { b->type = PA_MEMBLOCK_POOL; pa_atomic_ptr_store(&b->data, (uint8_t*) b + PA_ALIGN(sizeof(pa_memblock))); - } else if (p->block_size - PA_ALIGN(sizeof(struct mempool_slot)) >= length) { + } else if (p->block_size >= length) { if (!(slot = mempool_allocate_slot(p))) return NULL; @@ -323,14 +322,14 @@ pa_memblock *pa_memblock_new_pool(pa_mempool *p, size_t length) { pa_atomic_ptr_store(&b->data, mempool_slot_data(slot)); } else { - pa_log_debug("Memory block too large for pool: %lu > %lu", (unsigned long) length, (unsigned long) (p->block_size - PA_ALIGN(sizeof(struct mempool_slot)))); + pa_log_debug("Memory block too large for pool: %lu > %lu", (unsigned long) length, (unsigned long) p->block_size); pa_atomic_inc(&p->stat.n_too_large_for_pool); return NULL; } PA_REFCNT_INIT(b); b->pool = p; - b->read_only = 0; + b->read_only = b->is_silence = FALSE; b->length = length; pa_atomic_store(&b->n_acquired, 0); pa_atomic_store(&b->please_signal, 0); @@ -340,13 +339,13 @@ pa_memblock *pa_memblock_new_pool(pa_mempool *p, size_t length) { } /* No lock necessary */ -pa_memblock *pa_memblock_new_fixed(pa_mempool *p, void *d, size_t length, int read_only) { +pa_memblock *pa_memblock_new_fixed(pa_mempool *p, void *d, size_t length, pa_bool_t read_only) { pa_memblock *b; pa_assert(p); pa_assert(d); pa_assert(length != (size_t) -1); - pa_assert(length > 0); + pa_assert(length); if (!(b = pa_flist_pop(PA_STATIC_FLIST_GET(unused_memblocks)))) b = pa_xnew(pa_memblock, 1); @@ -354,6 +353,7 @@ pa_memblock *pa_memblock_new_fixed(pa_mempool *p, void *d, size_t length, int re b->pool = p; b->type = PA_MEMBLOCK_FIXED; b->read_only = read_only; + b->is_silence = FALSE; pa_atomic_ptr_store(&b->data, d); b->length = length; pa_atomic_store(&b->n_acquired, 0); @@ -364,12 +364,12 @@ pa_memblock *pa_memblock_new_fixed(pa_mempool *p, void *d, size_t length, int re } /* No lock necessary */ -pa_memblock *pa_memblock_new_user(pa_mempool *p, void *d, size_t length, void (*free_cb)(void *p), int read_only) { +pa_memblock *pa_memblock_new_user(pa_mempool *p, void *d, size_t length, pa_free_cb_t free_cb, pa_bool_t read_only) { pa_memblock *b; pa_assert(p); pa_assert(d); - pa_assert(length > 0); + pa_assert(length); pa_assert(length != (size_t) -1); pa_assert(free_cb); @@ -379,6 +379,7 @@ pa_memblock *pa_memblock_new_user(pa_mempool *p, void *d, size_t length, void (* b->pool = p; b->type = PA_MEMBLOCK_USER; b->read_only = read_only; + b->is_silence = FALSE; pa_atomic_ptr_store(&b->data, d); b->length = length; pa_atomic_store(&b->n_acquired, 0); @@ -391,7 +392,7 @@ pa_memblock *pa_memblock_new_user(pa_mempool *p, void *d, size_t length, void (* } /* No lock necessary */ -int pa_memblock_is_read_only(pa_memblock *b) { +pa_bool_t pa_memblock_is_read_only(pa_memblock *b) { pa_assert(b); pa_assert(PA_REFCNT_VALUE(b) > 0); @@ -399,13 +400,27 @@ int pa_memblock_is_read_only(pa_memblock *b) { } /* No lock necessary */ -int pa_memblock_ref_is_one(pa_memblock *b) { - int r; +pa_bool_t pa_memblock_is_silence(pa_memblock *b) { + pa_assert(b); + pa_assert(PA_REFCNT_VALUE(b) > 0); + + return b->is_silence; +} + +/* No lock necessary */ +void pa_memblock_set_is_silence(pa_memblock *b, pa_bool_t v) { + pa_assert(b); + pa_assert(PA_REFCNT_VALUE(b) > 0); + b->is_silence = v; +} + +/* No lock necessary */ +pa_bool_t pa_memblock_ref_is_one(pa_memblock *b) { + int r; pa_assert(b); - r = PA_REFCNT_VALUE(b); - pa_assert(r > 0); + pa_assert_se((r = PA_REFCNT_VALUE(b)) > 0); return r == 1; } @@ -567,7 +582,7 @@ static void memblock_make_local(pa_memblock *b) { pa_atomic_dec(&b->pool->stat.n_allocated_by_type[b->type]); - if (b->length <= b->pool->block_size - PA_ALIGN(sizeof(struct mempool_slot))) { + if (b->length <= b->pool->block_size) { struct mempool_slot *slot; if ((slot = mempool_allocate_slot(b->pool))) { @@ -579,7 +594,7 @@ static void memblock_make_local(pa_memblock *b) { pa_atomic_ptr_store(&b->data, new_data); b->type = PA_MEMBLOCK_POOL_EXTERNAL; - b->read_only = 0; + b->read_only = FALSE; goto finish; } @@ -590,7 +605,7 @@ static void memblock_make_local(pa_memblock *b) { pa_atomic_ptr_store(&b->data, pa_xmemdup(pa_atomic_ptr_load(&b->data), b->length)); b->type = PA_MEMBLOCK_USER; - b->read_only = 0; + b->read_only = FALSE; finish: pa_atomic_inc(&b->pool->stat.n_allocated_by_type[b->type]); @@ -655,7 +670,7 @@ static void memblock_replace_import(pa_memblock *b) { pa_mutex_unlock(seg->import->mutex); } -pa_mempool* pa_mempool_new(int shared) { +pa_mempool* pa_mempool_new(pa_bool_t shared) { pa_mempool *p; p = pa_xnew(pa_mempool, 1); @@ -669,8 +684,6 @@ pa_mempool* pa_mempool_new(int shared) { p->n_blocks = PA_MEMPOOL_SLOTS_MAX; - pa_assert(p->block_size > PA_ALIGN(sizeof(struct mempool_slot))); - if (pa_shm_create_rw(&p->memory, p->n_blocks * p->block_size, shared, 0700) < 0) { pa_xfree(p); return NULL; @@ -726,7 +739,7 @@ const pa_mempool_stat* pa_mempool_get_stat(pa_mempool *p) { size_t pa_mempool_block_size_max(pa_mempool *p) { pa_assert(p); - return p->block_size - PA_ALIGN(sizeof(struct mempool_slot)) - PA_ALIGN(sizeof(pa_memblock)); + return p->block_size - PA_ALIGN(sizeof(pa_memblock)); } /* No lock necessary */ @@ -743,9 +756,7 @@ void pa_mempool_vacuum(pa_mempool *p) { ; while ((slot = pa_flist_pop(list))) { - pa_shm_punch(&p->memory, - (uint8_t*) slot - (uint8_t*) p->memory.ptr + PA_ALIGN(sizeof(struct mempool_slot)), - p->block_size - PA_ALIGN(sizeof(struct mempool_slot))); + pa_shm_punch(&p->memory, (uint8_t*) slot - (uint8_t*) p->memory.ptr, p->block_size); while (pa_flist_push(p->free_slots, slot)) ; @@ -767,7 +778,7 @@ int pa_mempool_get_shm_id(pa_mempool *p, uint32_t *id) { } /* No lock necessary */ -int pa_mempool_is_shared(pa_mempool *p) { +pa_bool_t pa_mempool_is_shared(pa_mempool *p) { pa_assert(p); return !!p->memory.shared; @@ -886,7 +897,8 @@ pa_memblock* pa_memimport_get(pa_memimport *i, uint32_t block_id, uint32_t shm_i PA_REFCNT_INIT(b); b->pool = i->pool; b->type = PA_MEMBLOCK_IMPORTED; - b->read_only = 1; + b->read_only = TRUE; + b->is_silence = FALSE; pa_atomic_ptr_store(&b->data, (uint8_t*) seg->memory.ptr + offset); b->length = size; pa_atomic_store(&b->n_acquired, 0); diff --git a/src/pulsecore/memblock.h b/src/pulsecore/memblock.h index c704014a..8dc3f5a3 100644 --- a/src/pulsecore/memblock.h +++ b/src/pulsecore/memblock.h @@ -87,13 +87,13 @@ pa_memblock *pa_memblock_new(pa_mempool *, size_t length); pa_memblock *pa_memblock_new_pool(pa_mempool *, size_t length); /* Allocate a new memory block of type PA_MEMBLOCK_USER */ -pa_memblock *pa_memblock_new_user(pa_mempool *, void *data, size_t length, void (*free_cb)(void *p), int read_only); +pa_memblock *pa_memblock_new_user(pa_mempool *, void *data, size_t length, pa_free_cb_t free_cb, pa_bool_t read_only); /* A special case of pa_memblock_new_user: take a memory buffer previously allocated with pa_xmalloc() */ #define pa_memblock_new_malloced(p,data,length) pa_memblock_new_user(p, data, length, pa_xfree, 0) /* Allocate a new memory block of type PA_MEMBLOCK_FIXED */ -pa_memblock *pa_memblock_new_fixed(pa_mempool *, void *data, size_t length, int read_only); +pa_memblock *pa_memblock_new_fixed(pa_mempool *, void *data, size_t length, pa_bool_t read_only); void pa_memblock_unref(pa_memblock*b); pa_memblock* pa_memblock_ref(pa_memblock*b); @@ -106,8 +106,11 @@ function is not multiple caller safe, i.e. needs to be locked manually if called from more than one thread at the same time. */ void pa_memblock_unref_fixed(pa_memblock*b); -int pa_memblock_is_read_only(pa_memblock *b); -int pa_memblock_ref_is_one(pa_memblock *b); +pa_bool_t pa_memblock_is_read_only(pa_memblock *b); +pa_bool_t pa_memblock_is_silence(pa_memblock *b); +pa_bool_t pa_memblock_ref_is_one(pa_memblock *b); +void pa_memblock_set_is_silence(pa_memblock *b, pa_bool_t v); + void* pa_memblock_acquire(pa_memblock *b); void pa_memblock_release(pa_memblock *b); size_t pa_memblock_get_length(pa_memblock *b); @@ -116,12 +119,12 @@ pa_mempool * pa_memblock_get_pool(pa_memblock *b); pa_memblock *pa_memblock_will_need(pa_memblock *b); /* The memory block manager */ -pa_mempool* pa_mempool_new(int shared); +pa_mempool* pa_mempool_new(pa_bool_t shared); void pa_mempool_free(pa_mempool *p); const pa_mempool_stat* pa_mempool_get_stat(pa_mempool *p); void pa_mempool_vacuum(pa_mempool *p); int pa_mempool_get_shm_id(pa_mempool *p, uint32_t *id); -int pa_mempool_is_shared(pa_mempool *p); +pa_bool_t pa_mempool_is_shared(pa_mempool *p); size_t pa_mempool_block_size_max(pa_mempool *p); /* For recieving blocks from other nodes */ diff --git a/src/pulsecore/memblockq.c b/src/pulsecore/memblockq.c index 8247feab..c047e56f 100644 --- a/src/pulsecore/memblockq.c +++ b/src/pulsecore/memblockq.c @@ -50,11 +50,12 @@ PA_STATIC_FLIST_DECLARE(list_items, 0, pa_xfree); struct pa_memblockq { struct list_item *blocks, *blocks_tail; + struct list_item *current_read, *current_write; unsigned n_blocks; - size_t maxlength, tlength, base, prebuf, minreq; + size_t maxlength, tlength, base, prebuf, minreq, maxrewind; int64_t read_index, write_index; pa_bool_t in_prebuf; - pa_memblock *silence; + pa_memchunk silence; pa_mcalign *mcalign; int64_t missing; size_t requested; @@ -67,7 +68,8 @@ pa_memblockq* pa_memblockq_new( size_t base, size_t prebuf, size_t minreq, - pa_memblock *silence) { + size_t maxrewind, + pa_memchunk *silence) { pa_memblockq* bq; @@ -75,27 +77,34 @@ pa_memblockq* pa_memblockq_new( bq = pa_xnew(pa_memblockq, 1); bq->blocks = bq->blocks_tail = NULL; + bq->current_read = bq->current_write = NULL; bq->n_blocks = 0; bq->base = base; bq->read_index = bq->write_index = idx; - pa_log_debug("memblockq requested: maxlength=%lu, tlength=%lu, base=%lu, prebuf=%lu, minreq=%lu", - (unsigned long) maxlength, (unsigned long) tlength, (unsigned long) base, (unsigned long) prebuf, (unsigned long) minreq); + pa_log_debug("memblockq requested: maxlength=%lu, tlength=%lu, base=%lu, prebuf=%lu, minreq=%lu maxrewind=%lu", + (unsigned long) maxlength, (unsigned long) tlength, (unsigned long) base, (unsigned long) prebuf, (unsigned long) minreq, (unsigned long) maxrewind); - bq->missing = bq->requested = bq->maxlength = bq->tlength = bq->prebuf = bq->minreq = 0; + bq->missing = bq->requested = bq->maxlength = bq->tlength = bq->prebuf = bq->minreq = bq->maxrewind = 0; bq->in_prebuf = TRUE; pa_memblockq_set_maxlength(bq, maxlength); pa_memblockq_set_tlength(bq, tlength); pa_memblockq_set_prebuf(bq, prebuf); pa_memblockq_set_minreq(bq, minreq); + pa_memblockq_set_maxrewind(bq, maxrewind); - pa_log_debug("memblockq sanitized: maxlength=%lu, tlength=%lu, base=%lu, prebuf=%lu, minreq=%lu", - (unsigned long)bq->maxlength, (unsigned long)bq->tlength, (unsigned long)bq->base, (unsigned long)bq->prebuf, (unsigned long)bq->minreq); + pa_log_debug("memblockq sanitized: maxlength=%lu, tlength=%lu, base=%lu, prebuf=%lu, minreq=%lu maxrewind=%lu", + (unsigned long) bq->maxlength, (unsigned long) bq->tlength, (unsigned long) bq->base, (unsigned long) bq->prebuf, (unsigned long) bq->minreq, (unsigned long) bq->maxrewind); - bq->silence = silence ? pa_memblock_ref(silence) : NULL; - bq->mcalign = NULL; + if (silence) { + bq->silence = *silence; + pa_memblock_ref(bq->silence.memblock); + } else + pa_memchunk_reset(&bq->silence); + + bq->mcalign = pa_mcalign_new(bq->base); return bq; } @@ -105,8 +114,8 @@ void pa_memblockq_free(pa_memblockq* bq) { pa_memblockq_flush(bq); - if (bq->silence) - pa_memblock_unref(bq->silence); + if (bq->silence.memblock) + pa_memblock_unref(bq->silence.memblock); if (bq->mcalign) pa_mcalign_free(bq->mcalign); @@ -114,6 +123,62 @@ void pa_memblockq_free(pa_memblockq* bq) { pa_xfree(bq); } +static void fix_current_read(pa_memblockq *bq) { + pa_assert(bq); + + if (PA_UNLIKELY(!bq->blocks)) { + bq->current_read = NULL; + return; + } + + if (PA_UNLIKELY(!bq->current_read)) + bq->current_read = bq->blocks; + + /* Scan left */ + while (PA_UNLIKELY(bq->current_read->index > bq->read_index)) + + if (bq->current_read->prev) + bq->current_read = bq->current_read->prev; + else + break; + + /* Scan right */ + while (PA_LIKELY(bq->current_read != NULL) && PA_UNLIKELY(bq->current_read->index + (int64_t) bq->current_read->chunk.length <= bq->read_index)) + bq->current_read = bq->current_read->next; + + /* At this point current_read will either point at or left of the + next block to play. It may be NULL in case everything in + the queue was already played */ +} + +static void fix_current_write(pa_memblockq *bq) { + pa_assert(bq); + + if (PA_UNLIKELY(!bq->blocks)) { + bq->current_write = NULL; + return; + } + + if (PA_UNLIKELY(!bq->current_write)) + bq->current_write = bq->blocks_tail; + + /* Scan right */ + while (PA_UNLIKELY(bq->current_write->index + (int64_t) bq->current_write->chunk.length <= bq->write_index)) + + if (bq->current_write->next) + bq->current_write = bq->current_write->next; + else + break; + + /* Scan left */ + while (PA_LIKELY(bq->current_write != NULL) && PA_UNLIKELY(bq->current_write->index > bq->write_index)) + bq->current_write = bq->current_write->prev; + + /* At this point current_write will either point at or right of + the next block to write data to. It may be NULL in case + everything in the queue is still to be played */ +} + static void drop_block(pa_memblockq *bq, struct list_item *q) { pa_assert(bq); pa_assert(q); @@ -122,13 +187,23 @@ static void drop_block(pa_memblockq *bq, struct list_item *q) { if (q->prev) q->prev->next = q->next; - else + else { + pa_assert(bq->blocks == q); bq->blocks = q->next; + } if (q->next) q->next->prev = q->prev; - else + else { + pa_assert(bq->blocks_tail == q); bq->blocks_tail = q->prev; + } + + if (bq->current_write == q) + bq->current_write = q->prev; + + if (bq->current_read == q) + bq->current_read = q->next; pa_memblock_unref(q->chunk.memblock); @@ -138,6 +213,16 @@ static void drop_block(pa_memblockq *bq, struct list_item *q) { bq->n_blocks--; } +static void drop_backlog(pa_memblockq *bq) { + int64_t boundary; + pa_assert(bq); + + boundary = bq->read_index - bq->maxrewind; + + while (bq->blocks && (bq->blocks->index + (int64_t) bq->blocks->chunk.length <= boundary)) + drop_block(bq, bq->blocks); +} + static pa_bool_t can_push(pa_memblockq *bq, size_t l) { int64_t end; @@ -152,10 +237,10 @@ static pa_bool_t can_push(pa_memblockq *bq, size_t l) { return TRUE; } - end = bq->blocks_tail ? bq->blocks_tail->index + bq->blocks_tail->chunk.length : 0; + end = bq->blocks_tail ? bq->blocks_tail->index + (int64_t) bq->blocks_tail->chunk.length : bq->write_index; /* Make sure that the list doesn't get too long */ - if (bq->write_index + (int64_t)l > end) + if (bq->write_index + (int64_t) l > end) if (bq->write_index + l - bq->read_index > bq->maxlength) return FALSE; @@ -182,28 +267,26 @@ int pa_memblockq_push(pa_memblockq* bq, const pa_memchunk *uchunk) { old = bq->write_index; chunk = *uchunk; - if (bq->read_index > bq->write_index) { - - /* We currently have a buffer underflow, we need to drop some - * incoming data */ + fix_current_write(bq); + q = bq->current_write; - size_t d = bq->read_index - bq->write_index; + /* First we advance the q pointer right of where we want to + * write to */ - if (chunk.length > d) { - chunk.index += d; - chunk.length -= d; - bq->write_index += d; - } else { - /* We drop the incoming data completely */ - bq->write_index += chunk.length; - goto finish; - } + if (q) { + while (bq->write_index + (int64_t) chunk.length > q->index) + if (q->next) + q = q->next; + else + break; } + if (!q) + q = bq->blocks_tail; + /* We go from back to front to look for the right place to add * this new entry. Drop data we will overwrite on the way */ - q = bq->blocks_tail; while (q) { if (bq->write_index >= q->index + (int64_t) q->chunk.length) @@ -329,7 +412,7 @@ finish: delta = bq->write_index - old; - if (delta >= bq->requested) { + if (delta >= (int64_t) bq->requested) { delta -= bq->requested; bq->requested = 0; } else { @@ -342,7 +425,16 @@ finish: return 0; } -static pa_bool_t memblockq_check_prebuf(pa_memblockq *bq) { +pa_bool_t pa_memblockq_prebuf_active(pa_memblockq *bq) { + pa_assert(bq); + + if (bq->in_prebuf) + return pa_memblockq_get_length(bq) < bq->prebuf; + else + return bq->prebuf > 0 && bq->read_index >= bq->write_index; +} + +static pa_bool_t update_prebuf(pa_memblockq *bq) { pa_assert(bq); if (bq->in_prebuf) { @@ -364,34 +456,42 @@ static pa_bool_t memblockq_check_prebuf(pa_memblockq *bq) { } int pa_memblockq_peek(pa_memblockq* bq, pa_memchunk *chunk) { + int64_t d; pa_assert(bq); pa_assert(chunk); /* We need to pre-buffer */ - if (memblockq_check_prebuf(bq)) + if (update_prebuf(bq)) return -1; + fix_current_read(bq); + /* Do we need to spit out silence? */ - if (!bq->blocks || bq->blocks->index > bq->read_index) { + if (!bq->current_read || bq->current_read->index > bq->read_index) { size_t length; /* How much silence shall we return? */ - length = bq->blocks ? bq->blocks->index - bq->read_index : 0; + if (bq->current_read) + length = bq->current_read->index - bq->read_index; + else if (bq->write_index > bq->read_index) + length = (size_t) (bq->write_index - bq->read_index); + else + length = 0; /* We need to return silence, since no data is yet available */ - if (bq->silence) { - chunk->memblock = pa_memblock_ref(bq->silence); + if (bq->silence.memblock) { + *chunk = bq->silence; + pa_memblock_ref(chunk->memblock); - if (!length || length > pa_memblock_get_length(chunk->memblock)) - length = pa_memblock_get_length(chunk->memblock); + if (length > 0 && length < chunk->length) + chunk->length = length; - chunk->length = length; } else { /* If the memblockq is empty, return -1, otherwise return * the time to sleep */ - if (!bq->blocks) + if (length <= 0) return -1; chunk->memblock = NULL; @@ -403,11 +503,14 @@ int pa_memblockq_peek(pa_memblockq* bq, pa_memchunk *chunk) { } /* Ok, let's pass real data to the caller */ - pa_assert(bq->blocks->index == bq->read_index); - - *chunk = bq->blocks->chunk; + *chunk = bq->current_read->chunk; pa_memblock_ref(chunk->memblock); + pa_assert(bq->read_index >= bq->current_read->index); + d = bq->read_index - bq->current_read->index; + chunk->index += d; + chunk->length -= d; + return 0; } @@ -421,45 +524,26 @@ void pa_memblockq_drop(pa_memblockq *bq, size_t length) { while (length > 0) { /* Do not drop any data when we are in prebuffering mode */ - if (memblockq_check_prebuf(bq)) + if (update_prebuf(bq)) break; - if (bq->blocks) { - size_t d; + fix_current_read(bq); - pa_assert(bq->blocks->index >= bq->read_index); + if (bq->current_read) { + int64_t p, d; - d = (size_t) (bq->blocks->index - bq->read_index); + /* We go through this piece by piece to make sure we don't + * drop more than allowed by prebuf */ - if (d >= length) { - /* The first block is too far in the future */ + p = bq->current_read->index + bq->current_read->chunk.length; + pa_assert(p >= bq->read_index); + d = p - bq->read_index; - bq->read_index += length; - break; - } else { + if (d > (int64_t) length) + d = length; - length -= d; - bq->read_index += d; - } - - pa_assert(bq->blocks->index == bq->read_index); - - if (bq->blocks->chunk.length <= length) { - /* We need to drop the full block */ - - length -= bq->blocks->chunk.length; - bq->read_index += bq->blocks->chunk.length; - - drop_block(bq, bq->blocks); - } else { - /* Only the start of this block needs to be dropped */ - - bq->blocks->chunk.index += length; - bq->blocks->chunk.length -= length; - bq->blocks->index += length; - bq->read_index += length; - break; - } + bq->read_index += d; + length -= d; } else { @@ -469,20 +553,32 @@ void pa_memblockq_drop(pa_memblockq *bq, size_t length) { } } + drop_backlog(bq); + delta = bq->read_index - old; bq->missing += delta; } -int pa_memblockq_is_readable(pa_memblockq *bq) { +void pa_memblockq_rewind(pa_memblockq *bq, size_t length) { pa_assert(bq); + pa_assert(length % bq->base == 0); - if (memblockq_check_prebuf(bq)) - return 0; + /* This is kind of the inverse of pa_memblockq_drop() */ + + bq->read_index -= length; + bq->missing -= length; +} + +pa_bool_t pa_memblockq_is_readable(pa_memblockq *bq) { + pa_assert(bq); + + if (pa_memblockq_prebuf_active(bq)) + return FALSE; if (pa_memblockq_get_length(bq) <= 0) - return 0; + return FALSE; - return 1; + return TRUE; } size_t pa_memblockq_get_length(pa_memblockq *bq) { @@ -506,12 +602,6 @@ size_t pa_memblockq_missing(pa_memblockq *bq) { return l >= bq->minreq ? l : 0; } -size_t pa_memblockq_get_minreq(pa_memblockq *bq) { - pa_assert(bq); - - return bq->minreq; -} - void pa_memblockq_seek(pa_memblockq *bq, int64_t offset, pa_seek_mode_t seek) { int64_t old, delta; pa_assert(bq); @@ -535,9 +625,11 @@ void pa_memblockq_seek(pa_memblockq *bq, int64_t offset, pa_seek_mode_t seek) { pa_assert_not_reached(); } + drop_backlog(bq); + delta = bq->write_index - old; - if (delta >= bq->requested) { + if (delta >= (int64_t) bq->requested) { delta -= bq->requested; bq->requested = 0; } else if (delta >= 0) { @@ -552,10 +644,7 @@ void pa_memblockq_flush(pa_memblockq *bq) { int64_t old, delta; pa_assert(bq); - while (bq->blocks) - drop_block(bq, bq->blocks); - - pa_assert(bq->n_blocks == 0); + pa_memblockq_silence(bq); old = bq->write_index; bq->write_index = bq->read_index; @@ -564,7 +653,7 @@ void pa_memblockq_flush(pa_memblockq *bq) { delta = bq->write_index - old; - if (delta > bq->requested) { + if (delta >= (int64_t) bq->requested) { delta -= bq->requested; bq->requested = 0; } else if (delta >= 0) { @@ -581,13 +670,21 @@ size_t pa_memblockq_get_tlength(pa_memblockq *bq) { return bq->tlength; } +size_t pa_memblockq_get_minreq(pa_memblockq *bq) { + pa_assert(bq); + + return bq->minreq; +} + int64_t pa_memblockq_get_read_index(pa_memblockq *bq) { pa_assert(bq); + return bq->read_index; } int64_t pa_memblockq_get_write_index(pa_memblockq *bq) { pa_assert(bq); + return bq->write_index; } @@ -600,9 +697,6 @@ int pa_memblockq_push_align(pa_memblockq* bq, const pa_memchunk *chunk) { if (bq->base == 1) return pa_memblockq_push(bq, chunk); - if (!bq->mcalign) - bq->mcalign = pa_mcalign_new(bq->base); - if (!can_push(bq, pa_mcalign_csize(bq->mcalign, chunk->length))) return -1; @@ -613,23 +707,15 @@ int pa_memblockq_push_align(pa_memblockq* bq, const pa_memchunk *chunk) { r = pa_memblockq_push(bq, &rchunk); pa_memblock_unref(rchunk.memblock); - if (r < 0) + if (r < 0) { + pa_mcalign_flush(bq->mcalign); return -1; + } } return 0; } -void pa_memblockq_shorten(pa_memblockq *bq, size_t length) { - size_t l; - pa_assert(bq); - - l = pa_memblockq_get_length(bq); - - if (l > length) - pa_memblockq_drop(bq, l - length); -} - void pa_memblockq_prebuf_disable(pa_memblockq *bq) { pa_assert(bq); @@ -639,7 +725,7 @@ void pa_memblockq_prebuf_disable(pa_memblockq *bq) { void pa_memblockq_prebuf_force(pa_memblockq *bq) { pa_assert(bq); - if (!bq->in_prebuf && bq->prebuf > 0) + if (bq->prebuf > 0) bq->in_prebuf = TRUE; } @@ -691,18 +777,17 @@ void pa_memblockq_set_tlength(pa_memblockq *bq, size_t tlength) { size_t old_tlength; pa_assert(bq); - old_tlength = bq->tlength; - if (tlength <= 0) tlength = bq->maxlength; + old_tlength = bq->tlength; bq->tlength = ((tlength+bq->base-1)/bq->base)*bq->base; if (bq->tlength > bq->maxlength) bq->tlength = bq->maxlength; - if (bq->minreq > bq->tlength - bq->prebuf) - pa_memblockq_set_minreq(bq, bq->tlength - bq->prebuf); + if (bq->minreq > bq->tlength) + pa_memblockq_set_minreq(bq, bq->tlength); bq->missing += (int64_t) bq->tlength - (int64_t) old_tlength; } @@ -710,8 +795,10 @@ void pa_memblockq_set_tlength(pa_memblockq *bq, size_t tlength) { void pa_memblockq_set_prebuf(pa_memblockq *bq, size_t prebuf) { pa_assert(bq); - bq->prebuf = (prebuf == (size_t) -1) ? bq->tlength/2 : prebuf; - bq->prebuf = ((bq->prebuf+bq->base-1)/bq->base)*bq->base; + if (prebuf == (size_t) -1) + prebuf = bq->tlength; + + bq->prebuf = ((prebuf+bq->base-1)/bq->base)*bq->base; if (prebuf > 0 && bq->prebuf < bq->base) bq->prebuf = bq->base; @@ -722,8 +809,8 @@ void pa_memblockq_set_prebuf(pa_memblockq *bq, size_t prebuf) { if (bq->prebuf <= 0 || pa_memblockq_get_length(bq) >= bq->prebuf) bq->in_prebuf = FALSE; - if (bq->minreq > bq->tlength - bq->prebuf) - pa_memblockq_set_minreq(bq, bq->tlength - bq->prebuf); + if (bq->minreq > bq->prebuf) + pa_memblockq_set_minreq(bq, bq->prebuf); } void pa_memblockq_set_minreq(pa_memblockq *bq, size_t minreq) { @@ -731,9 +818,93 @@ void pa_memblockq_set_minreq(pa_memblockq *bq, size_t minreq) { bq->minreq = (minreq/bq->base)*bq->base; - if (bq->minreq > bq->tlength - bq->prebuf) - bq->minreq = bq->tlength - bq->prebuf; + if (bq->minreq > bq->tlength) + bq->minreq = bq->tlength; + + if (bq->minreq > bq->prebuf) + bq->minreq = bq->prebuf; if (bq->minreq < bq->base) bq->minreq = bq->base; } + +void pa_memblockq_set_maxrewind(pa_memblockq *bq, size_t maxrewind) { + pa_assert(bq); + + bq->maxrewind = (maxrewind/bq->base)*bq->base; +} + +int pa_memblockq_splice(pa_memblockq *bq, pa_memblockq *source) { + + pa_assert(bq); + pa_assert(source); + + pa_memblockq_prebuf_disable(bq); + + for (;;) { + pa_memchunk chunk; + + if (pa_memblockq_peek(source, &chunk) < 0) + return 0; + + pa_assert(chunk.length > 0); + + if (chunk.memblock) { + + if (pa_memblockq_push_align(bq, &chunk) < 0) { + pa_memblock_unref(chunk.memblock); + return -1; + } + + pa_memblock_unref(chunk.memblock); + } else + pa_memblockq_seek(bq, chunk.length, PA_SEEK_RELATIVE); + + pa_memblockq_drop(bq, chunk.length); + } +} + +void pa_memblockq_willneed(pa_memblockq *bq) { + struct list_item *q; + + pa_assert(bq); + + fix_current_read(bq); + + for (q = bq->current_read; q; q = q->next) + pa_memchunk_will_need(&q->chunk); +} + +void pa_memblockq_set_silence(pa_memblockq *bq, pa_memchunk *silence) { + pa_assert(bq); + + if (bq->silence.memblock) + pa_memblock_unref(bq->silence.memblock); + + if (silence) { + bq->silence = *silence; + pa_memblock_ref(bq->silence.memblock); + } else + pa_memchunk_reset(&bq->silence); +} + +pa_bool_t pa_memblockq_is_empty(pa_memblockq *bq) { + pa_assert(bq); + + return !bq->blocks; +} + +void pa_memblockq_silence(pa_memblockq *bq) { + pa_assert(bq); + + while (bq->blocks) + drop_block(bq, bq->blocks); + + pa_assert(bq->n_blocks == 0); +} + +unsigned pa_memblockq_get_nblocks(pa_memblockq *bq) { + pa_assert(bq); + + return bq->n_blocks; +} diff --git a/src/pulsecore/memblockq.h b/src/pulsecore/memblockq.h index 46637f10..7c38757f 100644 --- a/src/pulsecore/memblockq.h +++ b/src/pulsecore/memblockq.h @@ -62,7 +62,9 @@ typedef struct pa_memblockq pa_memblockq; - minreq: pa_memblockq_missing() will only return values greater than this value. Pass 0 for the default. - - silence: return this memblock when reading unitialized data + - maxrewind: how many bytes of history to keep in the queue + + - silence: return this memchunk when reading unitialized data */ pa_memblockq* pa_memblockq_new( int64_t idx, @@ -71,7 +73,8 @@ pa_memblockq* pa_memblockq_new( size_t base, size_t prebuf, size_t minreq, - pa_memblock *silence); + size_t maxrewind, + pa_memchunk *silence); void pa_memblockq_free(pa_memblockq*bq); @@ -95,7 +98,7 @@ int pa_memblockq_peek(pa_memblockq* bq, pa_memchunk *chunk); void pa_memblockq_drop(pa_memblockq *bq, size_t length); /* Test if the pa_memblockq is currently readable, that is, more data than base */ -int pa_memblockq_is_readable(pa_memblockq *bq); +pa_bool_t pa_memblockq_is_readable(pa_memblockq *bq); /* Return the length of the queue in bytes */ size_t pa_memblockq_get_length(pa_memblockq *bq); @@ -107,6 +110,9 @@ size_t pa_memblockq_missing(pa_memblockq *bq); * this function, reset the internal counter to 0. */ size_t pa_memblockq_pop_missing(pa_memblockq *bq); +/* Directly moves the data from the source memblockq into bq */ +int pa_memblockq_splice(pa_memblockq *bq, pa_memblockq *source); + /* Returns the minimal request value */ size_t pa_memblockq_get_minreq(pa_memblockq *bq); @@ -125,10 +131,8 @@ int64_t pa_memblockq_get_read_index(pa_memblockq *bq); /* Return the current write index */ int64_t pa_memblockq_get_write_index(pa_memblockq *bq); -/* Shorten the pa_memblockq to the specified length by dropping data - * at the read end of the queue. The read index is increased until the - * queue has the specified length */ -void pa_memblockq_shorten(pa_memblockq *bq, size_t length); +/* Rewind the read index. If the history is shorter than the specified length we'll point to silence afterwards. */ +void pa_memblockq_rewind(pa_memblockq *bq, size_t length); /* Ignore prebuf for now */ void pa_memblockq_prebuf_disable(pa_memblockq *bq); @@ -142,10 +146,27 @@ size_t pa_memblockq_get_maxlength(pa_memblockq *bq); /* Return the prebuffer length in bytes */ size_t pa_memblockq_get_prebuf(pa_memblockq *bq); -/* Change metrics. */ -void pa_memblockq_set_maxlength(pa_memblockq *memblockq, size_t maxlength); -void pa_memblockq_set_tlength(pa_memblockq *memblockq, size_t tlength); -void pa_memblockq_set_prebuf(pa_memblockq *memblockq, size_t prebuf); +/* Change metrics. Always call in order. */ +void pa_memblockq_set_maxlength(pa_memblockq *memblockq, size_t maxlength); /* might modify tlength, prebuf, minreq too */ +void pa_memblockq_set_tlength(pa_memblockq *memblockq, size_t tlength); /* might modify minreq, too */ +void pa_memblockq_set_prebuf(pa_memblockq *memblockq, size_t prebuf); /* might modify minreq, too */ void pa_memblockq_set_minreq(pa_memblockq *memblockq, size_t minreq); +void pa_memblockq_set_maxrewind(pa_memblockq *memblockq, size_t rewind); /* Set the maximum history size */ +void pa_memblockq_set_silence(pa_memblockq *memblockq, pa_memchunk *silence); + +/* Call pa_memchunk_willneed() for every chunk in the queue from the current read pointer to the end */ +void pa_memblockq_willneed(pa_memblockq *bq); + +/* Check whether the memblockq is completely empty, i.e. no data + * neither left nor right of the read pointer, and hence no buffered + * data for the future nor data in the backlog. */ +pa_bool_t pa_memblockq_is_empty(pa_memblockq *bq); + +void pa_memblockq_silence(pa_memblockq *bq); + +/* Check whether we currently are in prebuf state */ +pa_bool_t pa_memblockq_prebuf_active(pa_memblockq *bq); + +unsigned pa_memblockq_get_nblocks(pa_memblockq *bq); #endif diff --git a/src/pulsecore/memchunk.c b/src/pulsecore/memchunk.c index 4e73b636..16a9c140 100644 --- a/src/pulsecore/memchunk.c +++ b/src/pulsecore/memchunk.c @@ -90,3 +90,23 @@ pa_memchunk *pa_memchunk_will_need(const pa_memchunk *c) { return (pa_memchunk*) c; } + +pa_memchunk* pa_memchunk_memcpy(pa_memchunk *dst, pa_memchunk *src) { + void *p, *q; + + pa_assert(dst); + pa_assert(src); + pa_assert(dst->length == src->length); + + p = pa_memblock_acquire(dst->memblock); + q = pa_memblock_acquire(src->memblock); + + memmove((uint8_t*) p + dst->index, + (uint8_t*) q + src->index, + dst->length); + + pa_memblock_release(dst->memblock); + pa_memblock_release(src->memblock); + + return dst; +} diff --git a/src/pulsecore/memchunk.h b/src/pulsecore/memchunk.h index e6105ace..46a82406 100644 --- a/src/pulsecore/memchunk.h +++ b/src/pulsecore/memchunk.h @@ -49,4 +49,7 @@ pa_memchunk* pa_memchunk_reset(pa_memchunk *c); /* Map a memory chunk back into memory if it was swapped out */ pa_memchunk *pa_memchunk_will_need(const pa_memchunk *c); +/* Copy the data in the src memchunk to the dst memchunk */ +pa_memchunk* pa_memchunk_memcpy(pa_memchunk *dst, pa_memchunk *src); + #endif diff --git a/src/pulsecore/module.c b/src/pulsecore/module.c index ae140ff4..8e5bd2d1 100644 --- a/src/pulsecore/module.c +++ b/src/pulsecore/module.c @@ -109,8 +109,8 @@ pa_module* pa_module_load(pa_core *c, const char *name, const char *argument) { m->userdata = NULL; m->core = c; m->n_used = -1; - m->auto_unload = 0; - m->unload_requested = 0; + m->auto_unload = FALSE; + m->unload_requested = FALSE; if (m->init(m) < 0) { pa_log_error("Failed to load module \"%s\" (argument: \"%s\"): initialization failed.", name, argument ? argument : ""); @@ -281,7 +281,7 @@ static void defer_cb(pa_mainloop_api*api, pa_defer_event *e, void *userdata) { void pa_module_unload_request(pa_module *m) { pa_assert(m); - m->unload_requested = 1; + m->unload_requested = TRUE; if (!m->core->module_defer_unload_event) m->core->module_defer_unload_event = m->core->mainloop->defer_new(m->core->mainloop, defer_cb, m->core); diff --git a/src/pulsecore/module.h b/src/pulsecore/module.h index 25f122d1..68c7238d 100644 --- a/src/pulsecore/module.h +++ b/src/pulsecore/module.h @@ -45,10 +45,10 @@ struct pa_module { void *userdata; int n_used; - int auto_unload; + pa_bool_t auto_unload; time_t last_used_time; - int unload_requested; + pa_bool_t unload_requested; }; pa_module* pa_module_load(pa_core *c, const char *name, const char*argument); diff --git a/src/pulsecore/namereg.c b/src/pulsecore/namereg.c index fe520384..1b0977d7 100644 --- a/src/pulsecore/namereg.c +++ b/src/pulsecore/namereg.c @@ -179,7 +179,7 @@ void pa_namereg_unregister(pa_core *c, const char *name) { pa_xfree(e); } -void* pa_namereg_get(pa_core *c, const char *name, pa_namereg_type_t type, int autoload) { +void* pa_namereg_get(pa_core *c, const char *name, pa_namereg_type_t type, pa_bool_t autoload) { struct namereg_entry *e; uint32_t idx; pa_assert(c); diff --git a/src/pulsecore/namereg.h b/src/pulsecore/namereg.h index d0db9e81..0f5b4d4d 100644 --- a/src/pulsecore/namereg.h +++ b/src/pulsecore/namereg.h @@ -39,7 +39,7 @@ void pa_namereg_free(pa_core *c); const char *pa_namereg_register(pa_core *c, const char *name, pa_namereg_type_t type, void *data, int fail); void pa_namereg_unregister(pa_core *c, const char *name); -void* pa_namereg_get(pa_core *c, const char *name, pa_namereg_type_t type, int autoload); +void* pa_namereg_get(pa_core *c, const char *name, pa_namereg_type_t type, pa_bool_t autoload); int pa_namereg_set_default(pa_core*c, const char *name, pa_namereg_type_t type); const char *pa_namereg_get_default_sink_name(pa_core *c); diff --git a/src/pulsecore/native-common.h b/src/pulsecore/native-common.h index 3ab2361b..56f9037e 100644 --- a/src/pulsecore/native-common.h +++ b/src/pulsecore/native-common.h @@ -126,7 +126,7 @@ enum { PA_COMMAND_SUSPEND_SINK, PA_COMMAND_SUSPEND_SOURCE, - /* Supported since protocol v13 (0.9.8) */ + /* Supported since protocol v12 (0.9.8) */ PA_COMMAND_SET_PLAYBACK_STREAM_BUFFER_ATTR, PA_COMMAND_SET_RECORD_STREAM_BUFFER_ATTR, @@ -139,6 +139,17 @@ enum { PA_COMMAND_PLAYBACK_STREAM_MOVED, PA_COMMAND_RECORD_STREAM_MOVED, + /* Supported since protocol v13 (0.9.10) */ + PA_COMMAND_UPDATE_RECORD_STREAM_PROPLIST, + PA_COMMAND_UPDATE_PLAYBACK_STREAM_PROPLIST, + PA_COMMAND_UPDATE_CLIENT_PROPLIST, + PA_COMMAND_REMOVE_RECORD_STREAM_PROPLIST, + PA_COMMAND_REMOVE_PLAYBACK_STREAM_PROPLIST, + PA_COMMAND_REMOVE_CLIENT_PROPLIST, + + /* SERVER->CLIENT */ + PA_COMMAND_STARTED, + PA_COMMAND_MAX }; diff --git a/src/pulsecore/pid.c b/src/pulsecore/pid.c index f3c9faaa..2ff132bb 100644 --- a/src/pulsecore/pid.c +++ b/src/pulsecore/pid.c @@ -144,16 +144,16 @@ fail: int pa_pid_file_create(void) { int fd = -1; int ret = -1; - char fn[PATH_MAX]; char t[20]; pid_t pid; size_t l; + char *fn; #ifdef OS_IS_WIN32 HANDLE process; #endif - pa_runtime_path("pid", fn, sizeof(fn)); + fn = pa_runtime_path("pid"); if ((fd = open_pid_file(fn, O_CREAT|O_RDWR)) < 0) goto fail; @@ -200,17 +200,19 @@ fail: } } + pa_xfree(fn); + return ret; } /* Remove the PID file, if it is ours */ int pa_pid_file_remove(void) { int fd = -1; - char fn[PATH_MAX]; + char *fn; int ret = -1; pid_t pid; - pa_runtime_path("pid", fn, sizeof(fn)); + fn = pa_runtime_path("pid"); if ((fd = open_pid_file(fn, O_RDWR)) < 0) { pa_log_warn("Failed to open PID file '%s': %s", fn, pa_cstrerror(errno)); @@ -254,6 +256,8 @@ fail: } } + pa_xfree(fn); + return ret; } @@ -272,7 +276,7 @@ int pa_pid_file_check_running(pid_t *pid, const char *binary_name) { * process. */ int pa_pid_file_kill(int sig, pid_t *pid, const char *binary_name) { int fd = -1; - char fn[PATH_MAX]; + char *fn; int ret = -1; pid_t _pid; #ifdef __linux__ @@ -281,7 +285,7 @@ int pa_pid_file_kill(int sig, pid_t *pid, const char *binary_name) { if (!pid) pid = &_pid; - pa_runtime_path("pid", fn, sizeof(fn)); + fn = pa_runtime_path("pid"); if ((fd = open_pid_file(fn, O_RDONLY)) < 0) goto fail; @@ -296,7 +300,7 @@ int pa_pid_file_kill(int sig, pid_t *pid, const char *binary_name) { if ((e = pa_readlink(fn))) { char *f = pa_path_get_filename(e); if (strcmp(f, binary_name) -#if defined(__OPTIMIZE__) +#if !defined(__OPTIMIZE__) /* libtool likes to rename our binary names ... */ && !(pa_startswith(f, "lt-") && strcmp(f+3, binary_name) == 0) #endif @@ -319,6 +323,8 @@ fail: pa_xfree(e); #endif + pa_xfree(fn); + return ret; } diff --git a/src/pulsecore/play-memblockq.c b/src/pulsecore/play-memblockq.c index 5d3c2d39..2688f923 100644 --- a/src/pulsecore/play-memblockq.c +++ b/src/pulsecore/play-memblockq.c @@ -3,7 +3,7 @@ /*** This file is part of PulseAudio. - Copyright 2006 Lennart Poettering + Copyright 2006-2008 Lennart Poettering PulseAudio is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published @@ -30,10 +30,11 @@ #include #include +#include #include -#include #include +#include #include "play-memblockq.h" @@ -59,7 +60,6 @@ static void memblockq_stream_unlink(memblockq_stream *u) { return; pa_sink_input_unlink(u->sink_input); - pa_sink_input_unref(u->sink_input); u->sink_input = NULL; @@ -70,8 +70,6 @@ static void memblockq_stream_free(pa_object *o) { memblockq_stream *u = MEMBLOCKQ_STREAM(o); pa_assert(u); - memblockq_stream_unlink(u); - if (u->memblockq) pa_memblockq_free(u->memblockq); @@ -92,15 +90,34 @@ static int memblockq_stream_process_msg(pa_msgobject *o, int code, void*userdata } static void sink_input_kill_cb(pa_sink_input *i) { + memblockq_stream *u; + pa_sink_input_assert_ref(i); + u = MEMBLOCKQ_STREAM(i->userdata); + memblockq_stream_assert_ref(u); - memblockq_stream_unlink(MEMBLOCKQ_STREAM(i->userdata)); + memblockq_stream_unlink(u); } -static int sink_input_peek_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk) { +/* Called from IO thread context */ +static void sink_input_state_change_cb(pa_sink_input *i, pa_sink_input_state_t state) { memblockq_stream *u; - pa_assert(i); + pa_sink_input_assert_ref(i); + u = MEMBLOCKQ_STREAM(i->userdata); + memblockq_stream_assert_ref(u); + + /* If we are added for the first time, ask for a rewinding so that + * we are heard right-away. */ + if (PA_SINK_INPUT_IS_LINKED(state) && + i->thread_info.state == PA_SINK_INPUT_INIT) + pa_sink_input_request_rewind(i, 0, FALSE, TRUE); +} + +static int sink_input_pop_cb(pa_sink_input *i, size_t nbytes, pa_memchunk *chunk) { + memblockq_stream *u; + + pa_sink_input_assert_ref(i); pa_assert(chunk); u = MEMBLOCKQ_STREAM(i->userdata); memblockq_stream_assert_ref(u); @@ -109,36 +126,57 @@ static int sink_input_peek_cb(pa_sink_input *i, size_t length, pa_memchunk *chun return -1; if (pa_memblockq_peek(u->memblockq, chunk) < 0) { - pa_memblockq_free(u->memblockq); - u->memblockq = NULL; - pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(u), MEMBLOCKQ_STREAM_MESSAGE_UNLINK, NULL, 0, NULL, NULL); + + if (pa_sink_input_safe_to_remove(i)) { + + pa_memblockq_free(u->memblockq); + u->memblockq = NULL; + + pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(u), MEMBLOCKQ_STREAM_MESSAGE_UNLINK, NULL, 0, NULL, NULL); + } + return -1; } + pa_memblockq_drop(u->memblockq, chunk->length); + return 0; } -static void sink_input_drop_cb(pa_sink_input *i, size_t length) { +static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes) { memblockq_stream *u; - pa_assert(i); - pa_assert(length > 0); + pa_sink_input_assert_ref(i); + pa_assert(nbytes > 0); + u = MEMBLOCKQ_STREAM(i->userdata); + memblockq_stream_assert_ref(u); + + if (!u->memblockq) + return; + + pa_memblockq_rewind(u->memblockq, nbytes); +} + +static void sink_input_update_max_rewind_cb(pa_sink_input *i, size_t nbytes) { + memblockq_stream *u; + + pa_sink_input_assert_ref(i); u = MEMBLOCKQ_STREAM(i->userdata); memblockq_stream_assert_ref(u); if (!u->memblockq) return; - pa_memblockq_drop(u->memblockq, length); + pa_memblockq_set_maxrewind(u->memblockq, nbytes); } pa_sink_input* pa_memblockq_sink_input_new( pa_sink *sink, - const char *name, const pa_sample_spec *ss, const pa_channel_map *map, pa_memblockq *q, - pa_cvolume *volume) { + pa_cvolume *volume, + pa_proplist *p) { memblockq_stream *u = NULL; pa_sink_input_new_data data; @@ -149,41 +187,36 @@ pa_sink_input* pa_memblockq_sink_input_new( /* We allow creating this stream with no q set, so that it can be * filled in later */ - if (q && pa_memblockq_get_length(q) <= 0) { - pa_memblockq_free(q); - return NULL; - } - - if (volume && pa_cvolume_is_muted(volume)) { - pa_memblockq_free(q); - return NULL; - } - u = pa_msgobject_new(memblockq_stream); u->parent.parent.free = memblockq_stream_free; u->parent.process_msg = memblockq_stream_process_msg; u->core = sink->core; u->sink_input = NULL; - u->memblockq = q; + u->memblockq = NULL; pa_sink_input_new_data_init(&data); data.sink = sink; - data.name = name; data.driver = __FILE__; pa_sink_input_new_data_set_sample_spec(&data, ss); pa_sink_input_new_data_set_channel_map(&data, map); pa_sink_input_new_data_set_volume(&data, volume); + pa_proplist_update(data.proplist, PA_UPDATE_REPLACE, p); + + u->sink_input = pa_sink_input_new(sink->core, &data, 0); + pa_sink_input_new_data_done(&data); - if (!(u->sink_input = pa_sink_input_new(sink->core, &data, 0))) + if (!u->sink_input) goto fail; - u->sink_input->peek = sink_input_peek_cb; - u->sink_input->drop = sink_input_drop_cb; + u->sink_input->pop = sink_input_pop_cb; + u->sink_input->process_rewind = sink_input_process_rewind_cb; + u->sink_input->update_max_rewind = sink_input_update_max_rewind_cb; u->sink_input->kill = sink_input_kill_cb; + u->sink_input->state_change = sink_input_state_change_cb; u->sink_input->userdata = u; if (q) - pa_memblockq_prebuf_disable(q); + pa_memblockq_sink_input_set_queue(u->sink_input, q); /* The reference to u is dangling here, because we want * to keep this stream around until it is fully played. */ @@ -202,11 +235,12 @@ fail: int pa_play_memblockq( pa_sink *sink, - const char *name, const pa_sample_spec *ss, const pa_channel_map *map, pa_memblockq *q, - pa_cvolume *volume) { + pa_cvolume *volume, + pa_proplist *p, + uint32_t *sink_input_index) { pa_sink_input *i; @@ -214,10 +248,14 @@ int pa_play_memblockq( pa_assert(ss); pa_assert(q); - if (!(i = pa_memblockq_sink_input_new(sink, name, ss, map, q, volume))) + if (!(i = pa_memblockq_sink_input_new(sink, ss, map, q, volume, p))) return -1; pa_sink_input_put(i); + + if (sink_input_index) + *sink_input_index = i->index; + pa_sink_input_unref(i); return 0; @@ -232,5 +270,10 @@ void pa_memblockq_sink_input_set_queue(pa_sink_input *i, pa_memblockq *q) { if (u->memblockq) pa_memblockq_free(u->memblockq); - u->memblockq = q; + + if ((u->memblockq = q)) { + pa_memblockq_set_prebuf(q, 0); + pa_memblockq_set_silence(q, NULL); + pa_memblockq_willneed(q); + } } diff --git a/src/pulsecore/play-memblockq.h b/src/pulsecore/play-memblockq.h index d8790316..9ecf7700 100644 --- a/src/pulsecore/play-memblockq.h +++ b/src/pulsecore/play-memblockq.h @@ -29,20 +29,21 @@ pa_sink_input* pa_memblockq_sink_input_new( pa_sink *sink, - const char *name, const pa_sample_spec *ss, const pa_channel_map *map, pa_memblockq *q, - pa_cvolume *volume); + pa_cvolume *volume, + pa_proplist *p); void pa_memblockq_sink_input_set_queue(pa_sink_input *i, pa_memblockq *q); int pa_play_memblockq( pa_sink *sink, - const char *name, const pa_sample_spec *ss, const pa_channel_map *map, pa_memblockq *q, - pa_cvolume *cvolume); + pa_cvolume *cvolume, + pa_proplist *p, + uint32_t *sink_input_index); #endif diff --git a/src/pulsecore/play-memchunk.c b/src/pulsecore/play-memchunk.c index 6aaec567..67a92138 100644 --- a/src/pulsecore/play-memchunk.c +++ b/src/pulsecore/play-memchunk.c @@ -3,7 +3,7 @@ /*** This file is part of PulseAudio. - Copyright 2004-2006 Lennart Poettering + Copyright 2004-2008 Lennart Poettering PulseAudio is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published @@ -30,167 +30,37 @@ #include #include +#include #include -#include #include +#include #include "play-memchunk.h" -typedef struct memchunk_stream { - pa_msgobject parent; - pa_core *core; - pa_sink_input *sink_input; - pa_memchunk memchunk; -} memchunk_stream; - -enum { - MEMCHUNK_STREAM_MESSAGE_UNLINK, -}; - -PA_DECLARE_CLASS(memchunk_stream); -#define MEMCHUNK_STREAM(o) (memchunk_stream_cast(o)) -static PA_DEFINE_CHECK_TYPE(memchunk_stream, pa_msgobject); - -static void memchunk_stream_unlink(memchunk_stream *u) { - pa_assert(u); - - if (!u->sink_input) - return; - - pa_sink_input_unlink(u->sink_input); - - pa_sink_input_unref(u->sink_input); - u->sink_input = NULL; - - memchunk_stream_unref(u); -} - -static void memchunk_stream_free(pa_object *o) { - memchunk_stream *u = MEMCHUNK_STREAM(o); - pa_assert(u); - - memchunk_stream_unlink(u); - - if (u->memchunk.memblock) - pa_memblock_unref(u->memchunk.memblock); - - pa_xfree(u); -} - -static int memchunk_stream_process_msg(pa_msgobject *o, int code, void*userdata, int64_t offset, pa_memchunk *chunk) { - memchunk_stream *u = MEMCHUNK_STREAM(o); - memchunk_stream_assert_ref(u); - - switch (code) { - case MEMCHUNK_STREAM_MESSAGE_UNLINK: - memchunk_stream_unlink(u); - break; - } - - return 0; -} - -static void sink_input_kill_cb(pa_sink_input *i) { - pa_sink_input_assert_ref(i); - - memchunk_stream_unlink(MEMCHUNK_STREAM(i->userdata)); -} - -static int sink_input_peek_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk) { - memchunk_stream *u; - - pa_assert(i); - pa_assert(chunk); - u = MEMCHUNK_STREAM(i->userdata); - memchunk_stream_assert_ref(u); - - if (!u->memchunk.memblock) - return -1; - - if (u->memchunk.length <= 0) { - pa_memblock_unref(u->memchunk.memblock); - u->memchunk.memblock = NULL; - pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(u), MEMCHUNK_STREAM_MESSAGE_UNLINK, NULL, 0, NULL, NULL); - return -1; - } - - pa_assert(u->memchunk.memblock); - *chunk = u->memchunk; - pa_memblock_ref(chunk->memblock); - - return 0; -} - -static void sink_input_drop_cb(pa_sink_input *i, size_t length) { - memchunk_stream *u; - - pa_assert(i); - pa_assert(length > 0); - u = MEMCHUNK_STREAM(i->userdata); - memchunk_stream_assert_ref(u); - - if (length < u->memchunk.length) { - u->memchunk.length -= length; - u->memchunk.index += length; - } else - u->memchunk.length = 0; -} - int pa_play_memchunk( pa_sink *sink, - const char *name, const pa_sample_spec *ss, const pa_channel_map *map, const pa_memchunk *chunk, - pa_cvolume *volume) { + pa_cvolume *volume, + pa_proplist *p, + uint32_t *sink_input_index) { - memchunk_stream *u = NULL; - pa_sink_input_new_data data; + pa_memblockq *q; + int r; pa_assert(sink); pa_assert(ss); pa_assert(chunk); - if (volume && pa_cvolume_is_muted(volume)) - return 0; - - pa_memchunk_will_need(chunk); - - u = pa_msgobject_new(memchunk_stream); - u->parent.parent.free = memchunk_stream_free; - u->parent.process_msg = memchunk_stream_process_msg; - u->core = sink->core; - u->memchunk = *chunk; - pa_memblock_ref(u->memchunk.memblock); - - pa_sink_input_new_data_init(&data); - data.sink = sink; - data.driver = __FILE__; - data.name = name; - pa_sink_input_new_data_set_sample_spec(&data, ss); - pa_sink_input_new_data_set_channel_map(&data, map); - pa_sink_input_new_data_set_volume(&data, volume); - - if (!(u->sink_input = pa_sink_input_new(sink->core, &data, 0))) - goto fail; - - u->sink_input->peek = sink_input_peek_cb; - u->sink_input->drop = sink_input_drop_cb; - u->sink_input->kill = sink_input_kill_cb; - u->sink_input->userdata = u; + q = pa_memblockq_new(0, chunk->length, 0, pa_frame_size(ss), 1, 1, 0, NULL); + pa_assert_se(pa_memblockq_push(q, chunk) >= 0); - pa_sink_input_put(u->sink_input); - - /* The reference to u is dangling here, because we want to keep - * this stream around until it is fully played. */ + if ((r = pa_play_memblockq(sink, ss, map, q, volume, p, sink_input_index)) < 0) { + pa_memblockq_free(q); + return r; + } return 0; - -fail: - if (u) - memchunk_stream_unref(u); - - return -1; } - diff --git a/src/pulsecore/play-memchunk.h b/src/pulsecore/play-memchunk.h index 5afb094c..f7c9d178 100644 --- a/src/pulsecore/play-memchunk.h +++ b/src/pulsecore/play-memchunk.h @@ -29,10 +29,11 @@ int pa_play_memchunk( pa_sink *sink, - const char *name, const pa_sample_spec *ss, const pa_channel_map *map, const pa_memchunk *chunk, - pa_cvolume *cvolume); + pa_cvolume *cvolume, + pa_proplist *p, + uint32_t *sink_input_index); #endif diff --git a/src/pulsecore/protocol-cli.c b/src/pulsecore/protocol-cli.c index ceb6ae4d..2f797a14 100644 --- a/src/pulsecore/protocol-cli.c +++ b/src/pulsecore/protocol-cli.c @@ -82,7 +82,7 @@ pa_protocol_cli* pa_protocol_cli_new(pa_core *core, pa_socket_server *server, pa p = pa_xnew(pa_protocol_cli, 1); p->module = m; p->core = core; - p->server = server; + p->server = pa_socket_server_ref(server); p->connections = pa_idxset_new(NULL, NULL); pa_socket_server_set_callback(p->server, on_connection, p); diff --git a/src/pulsecore/protocol-esound.c b/src/pulsecore/protocol-esound.c index f963f2ad..492dc9fa 100644 --- a/src/pulsecore/protocol-esound.c +++ b/src/pulsecore/protocol-esound.c @@ -70,10 +70,12 @@ #define PLAYBACK_BUFFER_SECONDS (.25) #define PLAYBACK_BUFFER_FRAGMENTS (10) #define RECORD_BUFFER_SECONDS (5) -#define RECORD_BUFFER_FRAGMENTS (100) #define MAX_CACHE_SAMPLE_SIZE (2048000) +#define DEFAULT_SINK_LATENCY (150*PA_USEC_PER_MSEC) +#define DEFAULT_SOURCE_LATENCY (150*PA_USEC_PER_MSEC) + #define SCACHE_PREFIX "esound." /* This is heavily based on esound's code */ @@ -102,8 +104,9 @@ typedef struct connection { struct { pa_memblock *current_memblock; - size_t memblock_index, fragment_size; + size_t memblock_index; pa_atomic_t missing; + pa_bool_t underrun; } playback; struct { @@ -122,7 +125,7 @@ static PA_DEFINE_CHECK_TYPE(connection, pa_msgobject); struct pa_protocol_esound { pa_module *module; pa_core *core; - int public; + pa_bool_t public; pa_socket_server *server; pa_idxset *connections; @@ -149,8 +152,9 @@ typedef struct proto_handler { const char *description; } esd_proto_handler_info_t; -static void sink_input_drop_cb(pa_sink_input *i, size_t length); -static int sink_input_peek_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk); +static int sink_input_pop_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk); +static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes); +static void sink_input_update_max_rewind_cb(pa_sink_input *i, size_t nbytes); static void sink_input_kill_cb(pa_sink_input *i); static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk); static pa_usec_t source_output_get_latency_cb(pa_source_output *o); @@ -398,8 +402,7 @@ static int esd_proto_stream_play(connection *c, PA_GCC_UNUSED esd_proto_t reques CHECK_VALIDITY(sink, "No such sink: %s", c->protocol->sink_name); } - strncpy(name, data, sizeof(name)); - name[sizeof(name)-1] = 0; + pa_strlcpy(name, data, sizeof(name)); utf8_name = pa_utf8_filter(name); pa_client_set_name(c->client, utf8_name); @@ -410,34 +413,39 @@ static int esd_proto_stream_play(connection *c, PA_GCC_UNUSED esd_proto_t reques pa_assert(!c->sink_input && !c->input_memblockq); pa_sink_input_new_data_init(&sdata); - sdata.sink = sink; sdata.driver = __FILE__; - sdata.name = c->client->name; - pa_sink_input_new_data_set_sample_spec(&sdata, &ss); sdata.module = c->protocol->module; sdata.client = c->client; + sdata.sink = sink; + pa_proplist_update(sdata.proplist, PA_UPDATE_MERGE, c->client->proplist); + pa_sink_input_new_data_set_sample_spec(&sdata, &ss); c->sink_input = pa_sink_input_new(c->protocol->core, &sdata, 0); + pa_sink_input_new_data_done(&sdata); + CHECK_VALIDITY(c->sink_input, "Failed to create sink input."); l = (size_t) (pa_bytes_per_second(&ss)*PLAYBACK_BUFFER_SECONDS); c->input_memblockq = pa_memblockq_new( 0, l, - 0, + l, pa_frame_size(&ss), (size_t) -1, l/PLAYBACK_BUFFER_FRAGMENTS, + 0, NULL); - pa_iochannel_socket_set_rcvbuf(c->io, l/PLAYBACK_BUFFER_FRAGMENTS*2); - c->playback.fragment_size = l/PLAYBACK_BUFFER_FRAGMENTS; + pa_iochannel_socket_set_rcvbuf(c->io, l); c->sink_input->parent.process_msg = sink_input_process_msg; - c->sink_input->peek = sink_input_peek_cb; - c->sink_input->drop = sink_input_drop_cb; + c->sink_input->pop = sink_input_pop_cb; + c->sink_input->process_rewind = sink_input_process_rewind_cb; + c->sink_input->update_max_rewind = sink_input_update_max_rewind_cb; c->sink_input->kill = sink_input_kill_cb; c->sink_input->userdata = c; + pa_sink_input_set_requested_latency(c->sink_input, DEFAULT_SINK_LATENCY); + c->state = ESD_STREAMING_DATA; c->protocol->n_player++; @@ -497,8 +505,7 @@ static int esd_proto_stream_record(connection *c, esd_proto_t request, const voi } } - strncpy(name, data, sizeof(name)); - name[sizeof(name)-1] = 0; + pa_strlcpy(name, data, sizeof(name)); utf8_name = pa_utf8_filter(name); pa_client_set_name(c->client, utf8_name); @@ -509,32 +516,37 @@ static int esd_proto_stream_record(connection *c, esd_proto_t request, const voi pa_assert(!c->output_memblockq && !c->source_output); pa_source_output_new_data_init(&sdata); - sdata.source = source; sdata.driver = __FILE__; - sdata.name = c->client->name; - pa_source_output_new_data_set_sample_spec(&sdata, &ss); sdata.module = c->protocol->module; sdata.client = c->client; + sdata.source = source; + pa_proplist_update(sdata.proplist, PA_UPDATE_MERGE, c->client->proplist); + pa_source_output_new_data_set_sample_spec(&sdata, &ss); + + c->source_output = pa_source_output_new(c->protocol->core, &sdata, 0); + pa_source_output_new_data_done(&sdata); - c->source_output = pa_source_output_new(c->protocol->core, &sdata, 9); - CHECK_VALIDITY(c->source_output, "Failed to create source_output."); + CHECK_VALIDITY(c->source_output, "Failed to create source output."); l = (size_t) (pa_bytes_per_second(&ss)*RECORD_BUFFER_SECONDS); c->output_memblockq = pa_memblockq_new( 0, l, - 0, + l, pa_frame_size(&ss), 1, 0, + 0, NULL); - pa_iochannel_socket_set_sndbuf(c->io, l/RECORD_BUFFER_FRAGMENTS*2); + pa_iochannel_socket_set_sndbuf(c->io, l); c->source_output->push = source_output_push_cb; c->source_output->kill = source_output_kill_cb; c->source_output->get_latency = source_output_get_latency_cb; c->source_output->userdata = c; + pa_source_output_set_requested_latency(c->source_output, DEFAULT_SOURCE_LATENCY); + c->state = ESD_STREAMING_DATA; c->protocol->n_player++; @@ -638,8 +650,8 @@ static int esd_proto_all_info(connection *c, esd_proto_t request, const void *da memset(name, 0, ESD_NAME_MAX); /* don't leak old data */ if (conn->original_name) strncpy(name, conn->original_name, ESD_NAME_MAX); - else if (conn->client && conn->client->name) - strncpy(name, conn->client->name, ESD_NAME_MAX); + else if (conn->client && pa_proplist_gets(conn->client->proplist, PA_PROP_APPLICATION_NAME)) + strncpy(name, pa_proplist_gets(conn->client->proplist, PA_PROP_APPLICATION_NAME), ESD_NAME_MAX); connection_write(c, name, ESD_NAME_MAX); /* rate */ @@ -785,8 +797,7 @@ static int esd_proto_sample_cache(connection *c, PA_GCC_UNUSED esd_proto_t reque CHECK_VALIDITY(sc_length <= MAX_CACHE_SAMPLE_SIZE, "Sample too large (%d bytes).", (int)sc_length); strcpy(name, SCACHE_PREFIX); - strncpy(name+sizeof(SCACHE_PREFIX)-1, data, ESD_NAME_MAX); - name[sizeof(name)-1] = 0; + pa_strlcpy(name+sizeof(SCACHE_PREFIX)-1, data, ESD_NAME_MAX); CHECK_VALIDITY(pa_utf8_valid(name), "Invalid UTF8 in sample name."); @@ -800,7 +811,7 @@ static int esd_proto_sample_cache(connection *c, PA_GCC_UNUSED esd_proto_t reque c->state = ESD_CACHING_SAMPLE; - pa_scache_add_item(c->protocol->core, c->scache.name, NULL, NULL, NULL, &idx); + pa_scache_add_item(c->protocol->core, c->scache.name, NULL, NULL, NULL, c->client->proplist, &idx); idx += 1; connection_write(c, &idx, sizeof(uint32_t)); @@ -818,8 +829,7 @@ static int esd_proto_sample_get_id(connection *c, PA_GCC_UNUSED esd_proto_t requ pa_assert(length == ESD_NAME_MAX); strcpy(name, SCACHE_PREFIX); - strncpy(name+sizeof(SCACHE_PREFIX)-1, data, ESD_NAME_MAX); - name[sizeof(name)-1] = 0; + pa_strlcpy(name+sizeof(SCACHE_PREFIX)-1, data, ESD_NAME_MAX); CHECK_VALIDITY(pa_utf8_valid(name), "Invalid UTF8 in sample name."); @@ -851,7 +861,7 @@ static int esd_proto_sample_free_or_play(connection *c, esd_proto_t request, con pa_sink *sink; if ((sink = pa_namereg_get(c->protocol->core, c->protocol->sink_name, PA_NAMEREG_SINK, 1))) - if (pa_scache_play_item(c->protocol->core, name, sink, PA_VOLUME_NORM) >= 0) + if (pa_scache_play_item(c->protocol->core, name, sink, PA_VOLUME_NORM, c->client->proplist, NULL) >= 0) ok = idx + 1; } else { pa_assert(request == ESD_PROTO_SAMPLE_FREE); @@ -992,7 +1002,7 @@ static int do_read(connection *c) { uint32_t idx; c->scache.memchunk.index = 0; - pa_scache_add_item(c->protocol->core, c->scache.name, &c->scache.sample_spec, NULL, &c->scache.memchunk, &idx); + pa_scache_add_item(c->protocol->core, c->scache.name, &c->scache.sample_spec, NULL, &c->scache.memchunk, c->client->proplist, &idx); pa_memblock_unref(c->scache.memchunk.memblock); c->scache.memchunk.memblock = NULL; @@ -1012,6 +1022,7 @@ static int do_read(connection *c) { ssize_t r; size_t l; void *p; + size_t space; pa_assert(c->input_memblockq); @@ -1020,21 +1031,26 @@ static int do_read(connection *c) { if (!(l = pa_atomic_load(&c->playback.missing))) return 0; - if (l > c->playback.fragment_size) - l = c->playback.fragment_size; + if (c->playback.current_memblock) { + + space = pa_memblock_get_length(c->playback.current_memblock) - c->playback.memblock_index; - if (c->playback.current_memblock) - if (pa_memblock_get_length(c->playback.current_memblock) - c->playback.memblock_index < l) { + if (space <= 0) { pa_memblock_unref(c->playback.current_memblock); c->playback.current_memblock = NULL; - c->playback.memblock_index = 0; } + } if (!c->playback.current_memblock) { - pa_assert_se(c->playback.current_memblock = pa_memblock_new(c->protocol->core->mempool, c->playback.fragment_size*2)); + pa_assert_se(c->playback.current_memblock = pa_memblock_new(c->protocol->core->mempool, 0)); c->playback.memblock_index = 0; + + space = pa_memblock_get_length(c->playback.current_memblock); } + if (l > space) + l = space; + p = pa_memblock_acquire(c->playback.current_memblock); r = pa_iochannel_read(c->io, (uint8_t*) p+c->playback.memblock_index, l); pa_memblock_release(c->playback.current_memblock); @@ -1122,12 +1138,11 @@ static void do_work(connection *c) { if (c->dead) return; - if (pa_iochannel_is_readable(c->io)) { + if (pa_iochannel_is_readable(c->io)) if (do_read(c) < 0) goto fail; - } - if (c->state == ESD_STREAMING_DATA && c->source_output && pa_iochannel_is_hungup(c->io)) + if (c->state == ESD_STREAMING_DATA && !c->sink_input && pa_iochannel_is_hungup(c->io)) /* In case we are in capture mode we will never call read() * on the socket, hence we need to detect the hangup manually * here, instead of simply waiting for read() to return 0. */ @@ -1212,15 +1227,19 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int /* New data from the main loop */ pa_memblockq_push_align(c->input_memblockq, chunk); + if (pa_memblockq_is_readable(c->input_memblockq) && c->playback.underrun) { + pa_log_debug("Requesting rewind due to end of underrun."); + pa_sink_input_request_rewind(c->sink_input, 0, FALSE, TRUE); + } + /* pa_log("got data, %u", pa_memblockq_get_length(c->input_memblockq)); */ return 0; } - case SINK_INPUT_MESSAGE_DISABLE_PREBUF: { + case SINK_INPUT_MESSAGE_DISABLE_PREBUF: pa_memblockq_prebuf_disable(c->input_memblockq); return 0; - } case PA_SINK_INPUT_MESSAGE_GET_LATENCY: { pa_usec_t *r = userdata; @@ -1237,41 +1256,62 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int } /* Called from thread context */ -static int sink_input_peek_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk) { +static int sink_input_pop_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk) { connection*c; - int r; - pa_assert(i); + pa_sink_input_assert_ref(i); c = CONNECTION(i->userdata); connection_assert_ref(c); pa_assert(chunk); - if ((r = pa_memblockq_peek(c->input_memblockq, chunk)) < 0 && c->dead) - pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(c), CONNECTION_MESSAGE_UNLINK_CONNECTION, NULL, 0, NULL, NULL); + if (pa_memblockq_peek(c->input_memblockq, chunk) < 0) { + + c->playback.underrun = TRUE; + + if (c->dead && pa_sink_input_safe_to_remove(i)) + pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(c), CONNECTION_MESSAGE_UNLINK_CONNECTION, NULL, 0, NULL, NULL); + + return -1; + } else { + size_t m; - return r; + c->playback.underrun = FALSE; + + pa_memblockq_drop(c->input_memblockq, chunk->length); + m = pa_memblockq_pop_missing(c->input_memblockq); + + if (m > 0) + if (pa_atomic_add(&c->playback.missing, m) <= 0) + pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(c), CONNECTION_MESSAGE_REQUEST_DATA, NULL, 0, NULL, NULL); + + return 0; + } } /* Called from thread context */ -static void sink_input_drop_cb(pa_sink_input *i, size_t length) { - connection*c; - size_t old, new; +static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes) { + connection *c; - pa_assert(i); + pa_sink_input_assert_ref(i); c = CONNECTION(i->userdata); connection_assert_ref(c); - pa_assert(length); - /* pa_log("DROP"); */ + /* If we are in an underrun, then we don't rewind */ + if (i->thread_info.underrun_for > 0) + return; - old = pa_memblockq_missing(c->input_memblockq); - pa_memblockq_drop(c->input_memblockq, length); - new = pa_memblockq_missing(c->input_memblockq); + pa_memblockq_rewind(c->input_memblockq, nbytes); +} - if (new > old) { - if (pa_atomic_add(&c->playback.missing, new - old) <= 0) - pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(c), CONNECTION_MESSAGE_REQUEST_DATA, NULL, 0, NULL, NULL); - } +/* Called from thread context */ +static void sink_input_update_max_rewind_cb(pa_sink_input *i, size_t nbytes) { + connection *c; + + pa_sink_input_assert_ref(i); + c = CONNECTION(i->userdata); + connection_assert_ref(c); + + pa_memblockq_set_maxrewind(c->input_memblockq, nbytes); } static void sink_input_kill_cb(pa_sink_input *i) { @@ -1286,7 +1326,7 @@ static void sink_input_kill_cb(pa_sink_input *i) { static void source_output_push_cb(pa_source_output *o, const pa_memchunk *chunk) { connection *c; - pa_assert(o); + pa_source_output_assert_ref(o); c = CONNECTION(o->userdata); pa_assert(c); pa_assert(chunk); @@ -1303,7 +1343,7 @@ static void source_output_kill_cb(pa_source_output *o) { static pa_usec_t source_output_get_latency_cb(pa_source_output *o) { connection*c; - pa_assert(o); + pa_source_output_assert_ref(o); c = CONNECTION(o->userdata); pa_assert(c); @@ -1349,7 +1389,8 @@ static void on_connection(pa_socket_server*s, pa_iochannel *io, void *userdata) pa_iochannel_socket_peer_to_string(io, pname, sizeof(pname)); pa_snprintf(cname, sizeof(cname), "EsounD client (%s)", pname); c->client = pa_client_new(p->core, __FILE__, cname); - c->client->owner = p->module; + pa_proplist_sets(c->client->proplist, "esound-protocol.peer", pname); + c->client->module = p->module; c->client->kill = client_kill_cb; c->client->userdata = c; @@ -1374,11 +1415,10 @@ static void on_connection(pa_socket_server*s, pa_iochannel *io, void *userdata) c->playback.current_memblock = NULL; c->playback.memblock_index = 0; - c->playback.fragment_size = 0; + c->playback.underrun = TRUE; pa_atomic_store(&c->playback.missing, 0); - c->scache.memchunk.length = c->scache.memchunk.index = 0; - c->scache.memchunk.memblock = NULL; + pa_memchunk_reset(&c->scache.memchunk); c->scache.name = NULL; c->original_name = NULL; @@ -1436,7 +1476,7 @@ pa_protocol_esound* pa_protocol_esound_new(pa_core*core, pa_socket_server *serve p->core = core; p->module = m; p->public = public; - p->server = server; + p->server = pa_socket_server_ref(server); pa_socket_server_set_callback(p->server, on_connection, p); p->connections = pa_idxset_new(NULL, NULL); @@ -1459,7 +1499,8 @@ void pa_protocol_esound_free(pa_protocol_esound *p) { connection_unlink(c); pa_idxset_free(p->connections, NULL, NULL); - pa_socket_server_unref(p->server); + if (p->server) + pa_socket_server_unref(p->server); if (p->auth_ip_acl) pa_ip_acl_free(p->auth_ip_acl); diff --git a/src/pulsecore/protocol-http.c b/src/pulsecore/protocol-http.c index d91ae142..bc2e9af6 100644 --- a/src/pulsecore/protocol-http.c +++ b/src/pulsecore/protocol-http.c @@ -168,7 +168,7 @@ static void line_callback(pa_ioline *line, const char *s, void *userdata) { #define PRINTF_FIELD(a,b) pa_ioline_printf(c->line, "%s%s\n",(a),(b)) PRINTF_FIELD("User Name:", pa_get_user_name(txt, sizeof(txt))); - PRINTF_FIELD("Fully Qualified Domain Name:", pa_get_fqdn(txt, sizeof(txt))); + PRINTF_FIELD("Host name:", pa_get_host_name(txt, sizeof(txt))); PRINTF_FIELD("Default Sample Specification:", pa_sample_spec_snprint(txt, sizeof(txt), &c->protocol->core->default_sample_spec)); PRINTF_FIELD("Default Sink:", pa_namereg_get_default_sink_name(c->protocol->core)); PRINTF_FIELD("Default Source:", pa_namereg_get_default_source_name(c->protocol->core)); @@ -255,7 +255,7 @@ pa_protocol_http* pa_protocol_http_new(pa_core *core, pa_socket_server *server, p = pa_xnew(pa_protocol_http, 1); p->module = m; p->core = core; - p->server = server; + p->server = pa_socket_server_ref(server); p->connections = pa_idxset_new(NULL, NULL); pa_socket_server_set_callback(p->server, on_connection, p); diff --git a/src/pulsecore/protocol-native.c b/src/pulsecore/protocol-native.c index 174342ed..2adcdfc7 100644 --- a/src/pulsecore/protocol-native.c +++ b/src/pulsecore/protocol-native.c @@ -71,6 +71,9 @@ #define MAX_CONNECTIONS 64 #define MAX_MEMBLOCKQ_LENGTH (4*1024*1024) /* 4MB */ +#define DEFAULT_TLENGTH_MSEC 2000 /* 2s */ +#define DEFAULT_PROCESS_MSEC 20 /* 20ms */ +#define DEFAULT_FRAGSIZE_MSEC DEFAULT_TLENGTH_MSEC typedef struct connection connection; struct pa_protocol_native; @@ -84,6 +87,7 @@ typedef struct record_stream { pa_source_output *source_output; pa_memblockq *memblockq; size_t fragment_size; + pa_usec_t source_latency; } record_stream; typedef struct output_stream { @@ -98,17 +102,17 @@ typedef struct playback_stream { pa_sink_input *sink_input; pa_memblockq *memblockq; - int drain_request; + pa_bool_t drain_request; uint32_t drain_tag; uint32_t syncid; - int underrun; pa_atomic_t missing; size_t minreq; + pa_usec_t sink_latency; /* Only updated after SINK_INPUT_MESSAGE_UPDATE_LATENCY */ int64_t read_index, write_index; - size_t resampled_chunk_length; + size_t render_memblockq_length; } playback_stream; typedef struct upload_stream { @@ -122,12 +126,13 @@ typedef struct upload_stream { char *name; pa_sample_spec sample_spec; pa_channel_map channel_map; + pa_proplist *proplist; } upload_stream; struct connection { pa_msgobject parent; - int authorized; + pa_bool_t authorized; uint32_t version; pa_protocol_native *protocol; pa_client *client; @@ -162,11 +167,11 @@ static PA_DEFINE_CHECK_TYPE(connection, pa_msgobject); struct pa_protocol_native { pa_module *module; pa_core *core; - int public; + pa_bool_t public; pa_socket_server *server; pa_idxset *connections; uint8_t auth_cookie[PA_NATIVE_COOKIE_LENGTH]; - int auth_cookie_in_property; + pa_bool_t auth_cookie_in_property; #ifdef HAVE_CREDS char *auth_group; #endif @@ -187,7 +192,8 @@ enum { PLAYBACK_STREAM_MESSAGE_REQUEST_DATA, /* data requested from sink input from the main loop */ PLAYBACK_STREAM_MESSAGE_UNDERFLOW, PLAYBACK_STREAM_MESSAGE_OVERFLOW, - PLAYBACK_STREAM_MESSAGE_DRAIN_ACK + PLAYBACK_STREAM_MESSAGE_DRAIN_ACK, + PLAYBACK_STREAM_MESSAGE_STARTED }; enum { @@ -199,11 +205,13 @@ enum { CONNECTION_MESSAGE_REVOKE }; -static int sink_input_peek_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk); -static void sink_input_drop_cb(pa_sink_input *i, size_t length); +static int sink_input_pop_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk); static void sink_input_kill_cb(pa_sink_input *i); static void sink_input_suspend_cb(pa_sink_input *i, pa_bool_t suspend); static void sink_input_moved_cb(pa_sink_input *i); +static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes); +static void sink_input_update_max_rewind_cb(pa_sink_input *i, size_t nbytes); + static void send_memblock(connection *c); static void request_bytes(struct playback_stream*s); @@ -254,6 +262,8 @@ static void command_move_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag static void command_suspend(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_set_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_update_stream_sample_rate(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); +static void command_update_proplist(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); +static void command_remove_proplist(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static const pa_pdispatch_cb_t command_table[PA_COMMAND_MAX] = { [PA_COMMAND_ERROR] = NULL, @@ -335,7 +345,15 @@ static const pa_pdispatch_cb_t command_table[PA_COMMAND_MAX] = { [PA_COMMAND_SET_RECORD_STREAM_BUFFER_ATTR] = command_set_stream_buffer_attr, [PA_COMMAND_UPDATE_PLAYBACK_STREAM_SAMPLE_RATE] = command_update_stream_sample_rate, - [PA_COMMAND_UPDATE_RECORD_STREAM_SAMPLE_RATE] = command_update_stream_sample_rate + [PA_COMMAND_UPDATE_RECORD_STREAM_SAMPLE_RATE] = command_update_stream_sample_rate, + + [PA_COMMAND_UPDATE_RECORD_STREAM_PROPLIST] = command_update_proplist, + [PA_COMMAND_UPDATE_PLAYBACK_STREAM_PROPLIST] = command_update_proplist, + [PA_COMMAND_UPDATE_CLIENT_PROPLIST] = command_update_proplist, + + [PA_COMMAND_REMOVE_RECORD_STREAM_PROPLIST] = command_remove_proplist, + [PA_COMMAND_REMOVE_PLAYBACK_STREAM_PROPLIST] = command_remove_proplist, + [PA_COMMAND_REMOVE_CLIENT_PROPLIST] = command_remove_proplist, }; /* structure management */ @@ -359,6 +377,9 @@ static void upload_stream_free(pa_object *o) { pa_xfree(s->name); + if (s->proplist) + pa_proplist_free(s->proplist); + if (s->memchunk.memblock) pa_memblock_unref(s->memchunk.memblock); @@ -369,7 +390,9 @@ static upload_stream* upload_stream_new( connection *c, const pa_sample_spec *ss, const pa_channel_map *map, - const char *name, size_t length) { + const char *name, + size_t length, + pa_proplist *p) { upload_stream *s; @@ -377,6 +400,7 @@ static upload_stream* upload_stream_new( pa_assert(ss); pa_assert(name); pa_assert(length > 0); + pa_assert(p); s = pa_msgobject_new(upload_stream); s->parent.parent.parent.free = upload_stream_free; @@ -386,6 +410,8 @@ static upload_stream* upload_stream_new( s->name = pa_xstrdup(name); pa_memchunk_reset(&s->memchunk); s->length = length; + s->proplist = pa_proplist_copy(p); + pa_proplist_update(s->proplist, PA_UPDATE_MERGE, c->client->proplist); pa_idxset_put(c->output_streams, s, &s->index); @@ -444,15 +470,70 @@ static int record_stream_process_msg(pa_msgobject *o, int code, void*userdata, i return 0; } +static void fix_record_buffer_attr_pre(record_stream *s, pa_bool_t adjust_latency, uint32_t *maxlength, uint32_t *fragsize) { + pa_assert(s); + pa_assert(maxlength); + pa_assert(fragsize); + + if (*maxlength <= 0 || *maxlength > MAX_MEMBLOCKQ_LENGTH) + *maxlength = MAX_MEMBLOCKQ_LENGTH; + + if (*fragsize <= 0) + *fragsize = pa_usec_to_bytes(DEFAULT_FRAGSIZE_MSEC*PA_USEC_PER_MSEC, &s->source_output->sample_spec); + + if (adjust_latency) { + pa_usec_t fragsize_usec; + + /* So, the user asked us to adjust the latency according to + * the what the source can provide. Half the latency will be + * spent on the hw buffer, half of it in the async buffer + * queue we maintain for each client. */ + + fragsize_usec = pa_bytes_to_usec(*fragsize, &s->source_output->sample_spec); + + s->source_latency = pa_source_output_set_requested_latency(s->source_output, fragsize_usec/2); + + if (fragsize_usec >= s->source_latency*2) + fragsize_usec -= s->source_latency; + else + fragsize_usec = s->source_latency; + + *fragsize = pa_usec_to_bytes(fragsize_usec, &s->source_output->sample_spec); + } +} + +static void fix_record_buffer_attr_post(record_stream *s, uint32_t *maxlength, uint32_t *fragsize) { + size_t base; + + pa_assert(s); + pa_assert(maxlength); + pa_assert(fragsize); + + *maxlength = pa_memblockq_get_maxlength(s->memblockq); + + base = pa_frame_size(&s->source_output->sample_spec); + + s->fragment_size = (*fragsize/base)*base; + if (s->fragment_size <= 0) + s->fragment_size = base; + + if (s->fragment_size > *maxlength) + s->fragment_size = *maxlength; + + *fragsize = s->fragment_size; +} + static record_stream* record_stream_new( connection *c, pa_source *source, pa_sample_spec *ss, pa_channel_map *map, - const char *name, + pa_bool_t peak_detect, uint32_t *maxlength, - uint32_t fragment_size, - pa_source_output_flags_t flags) { + uint32_t *fragsize, + pa_source_output_flags_t flags, + pa_proplist *p, + pa_bool_t adjust_latency) { record_stream *s; pa_source_output *source_output; @@ -461,20 +542,27 @@ static record_stream* record_stream_new( pa_assert(c); pa_assert(ss); - pa_assert(name); pa_assert(maxlength); - pa_assert(*maxlength > 0); + pa_assert(p); pa_source_output_new_data_init(&data); + + pa_proplist_update(data.proplist, PA_UPDATE_REPLACE, p); + pa_proplist_update(data.proplist, PA_UPDATE_MERGE, c->client->proplist); + data.driver = __FILE__; data.module = c->protocol->module; data.client = c->client; data.source = source; - data.driver = __FILE__; - data.name = name; pa_source_output_new_data_set_sample_spec(&data, ss); pa_source_output_new_data_set_channel_map(&data, map); + if (peak_detect) + data.resample_method = PA_RESAMPLER_PEAKS; - if (!(source_output = pa_source_output_new(c->protocol->core, &data, flags))) + source_output = pa_source_output_new(c->protocol->core, &data, flags); + + pa_source_output_new_data_done(&data); + + if (!source_output) return NULL; s = pa_msgobject_new(record_stream); @@ -482,6 +570,7 @@ static record_stream* record_stream_new( s->parent.process_msg = record_stream_process_msg; s->connection = c; s->source_output = source_output; + s->source_output->push = source_output_push_cb; s->source_output->kill = source_output_kill_cb; s->source_output->get_latency = source_output_get_latency_cb; @@ -489,23 +578,19 @@ static record_stream* record_stream_new( s->source_output->suspend = source_output_suspend_cb; s->source_output->userdata = s; + fix_record_buffer_attr_pre(s, adjust_latency, maxlength, fragsize); + s->memblockq = pa_memblockq_new( 0, *maxlength, 0, - base = pa_frame_size(&s->source_output->sample_spec), + base = pa_frame_size(&source_output->sample_spec), 1, 0, + 0, NULL); - *maxlength = pa_memblockq_get_maxlength(s->memblockq); - - s->fragment_size = (fragment_size/base)*base; - if (s->fragment_size <= 0) - s->fragment_size = base; - - if (s->fragment_size > *maxlength) - s->fragment_size = *maxlength; + fix_record_buffer_attr_post(s, maxlength, fragsize); *ss = s->source_output->sample_spec; *map = s->source_output->channel_map; @@ -559,21 +644,14 @@ static int playback_stream_process_msg(pa_msgobject *o, int code, void*userdata, uint32_t l = 0; for (;;) { - int32_t k; - - if ((k = pa_atomic_load(&s->missing)) <= 0) + if ((l = pa_atomic_load(&s->missing)) <= 0) break; - l += k; - - if (l < s->minreq) - break; - - if (pa_atomic_sub(&s->missing, k) <= k) + if (pa_atomic_cmpxchg(&s->missing, l, 0)) break; } - if (l < s->minreq) + if (l <= 0) break; t = pa_tagstruct_new(NULL, 0); @@ -583,7 +661,7 @@ static int playback_stream_process_msg(pa_msgobject *o, int code, void*userdata, pa_tagstruct_putu32(t, l); pa_pstream_send_tagstruct(s->connection->pstream, t); -/* pa_log("Requesting %u bytes", l); */ +/* pa_log("Requesting %lu bytes", (unsigned long) l); */ break; } @@ -611,41 +689,172 @@ static int playback_stream_process_msg(pa_msgobject *o, int code, void*userdata, break; } + case PLAYBACK_STREAM_MESSAGE_STARTED: + + if (s->connection->version >= 13) { + pa_tagstruct *t; + + /* Notify the user we're overflowed*/ + t = pa_tagstruct_new(NULL, 0); + pa_tagstruct_putu32(t, PA_COMMAND_STARTED); + pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */ + pa_tagstruct_putu32(t, s->index); + pa_pstream_send_tagstruct(s->connection->pstream, t); + } + + break; + case PLAYBACK_STREAM_MESSAGE_DRAIN_ACK: pa_pstream_send_simple_ack(s->connection->pstream, PA_PTR_TO_UINT(userdata)); break; - } return 0; } +static void fix_playback_buffer_attr_pre(playback_stream *s, pa_bool_t adjust_latency, uint32_t *maxlength, uint32_t *tlength, uint32_t* prebuf, uint32_t* minreq) { + size_t frame_size; + pa_usec_t tlength_usec, minreq_usec, sink_usec; + + pa_assert(s); + pa_assert(maxlength); + pa_assert(tlength); + pa_assert(prebuf); + pa_assert(minreq); + + if (*maxlength <= 0 || *maxlength > MAX_MEMBLOCKQ_LENGTH) + *maxlength = MAX_MEMBLOCKQ_LENGTH; + if (*tlength <= 0) + *tlength = pa_usec_to_bytes(DEFAULT_TLENGTH_MSEC*PA_USEC_PER_MSEC, &s->sink_input->sample_spec); + if (*minreq <= 0) + *minreq = pa_usec_to_bytes(DEFAULT_PROCESS_MSEC*PA_USEC_PER_MSEC, &s->sink_input->sample_spec); + + frame_size = pa_frame_size(&s->sink_input->sample_spec); + if (*minreq <= 0) + *minreq = frame_size; + if (*tlength < *minreq+frame_size) + *tlength = *minreq+frame_size; + + tlength_usec = pa_bytes_to_usec(*tlength, &s->sink_input->sample_spec); + minreq_usec = pa_bytes_to_usec(*minreq, &s->sink_input->sample_spec); + + pa_log_info("Requested tlength=%0.2f ms, minreq=%0.2f ms", + (double) tlength_usec / PA_USEC_PER_MSEC, + (double) minreq_usec / PA_USEC_PER_MSEC); + + if (adjust_latency) { + + /* So, the user asked us to adjust the latency of the stream + * buffer according to the what the sink can provide. The + * tlength passed in shall be the overall latency. Roughly + * half the latency will be spent on the hw buffer, the other + * half of it in the async buffer queue we maintain for each + * client. In between we'll have a safety space of size + * 2*minreq. Why the 2*minreq? When the hw buffer is completey + * empty and needs to be filled, then our buffer must have + * enough data to fulfill this request immediatly and thus + * have at least the same tlength as the size of the hw + * buffer. It additionally needs space for 2 times minreq + * because if the buffer ran empty and a partial fillup + * happens immediately on the next iteration we need to be + * able to fulfill it and give the application also minreq + * time to fill it up again for the next request Makes 2 times + * minreq in plus.. */ + + if (tlength_usec > minreq_usec*2) + sink_usec = (tlength_usec - minreq_usec*2)/2; + else + sink_usec = 0; + + } else { + + /* Ok, the user didn't ask us to adjust the latency, but we + * still need to make sure that the parameters from the user + * do make sense. */ + + if (tlength_usec > minreq_usec*2) + sink_usec = (tlength_usec - minreq_usec*2); + else + sink_usec = 0; + } + + s->sink_latency = pa_sink_input_set_requested_latency(s->sink_input, sink_usec); + + if (adjust_latency) { + /* Ok, we didn't necessarily get what we were asking for, so + * let's subtract from what we asked for for the remaining + * buffer space */ + + if (tlength_usec >= s->sink_latency) + tlength_usec -= s->sink_latency; + } + + if (tlength_usec < s->sink_latency + 2*minreq_usec) + tlength_usec = s->sink_latency + 2*minreq_usec; + + *tlength = pa_usec_to_bytes(tlength_usec, &s->sink_input->sample_spec); + *minreq = pa_usec_to_bytes(minreq_usec, &s->sink_input->sample_spec); + + if (*minreq <= 0) { + *minreq += frame_size; + *tlength += frame_size*2; + } + + if (*tlength <= *minreq) + *tlength = *minreq*2 + frame_size; + + if (*prebuf <= 0) + *prebuf = *tlength; +} + +static void fix_playback_buffer_attr_post(playback_stream *s, uint32_t *maxlength, uint32_t *tlength, uint32_t* prebuf, uint32_t* minreq) { + pa_assert(s); + pa_assert(maxlength); + pa_assert(tlength); + pa_assert(prebuf); + pa_assert(minreq); + + *maxlength = (uint32_t) pa_memblockq_get_maxlength(s->memblockq); + *tlength = (uint32_t) pa_memblockq_get_tlength(s->memblockq); + *prebuf = (uint32_t) pa_memblockq_get_prebuf(s->memblockq); + *minreq = (uint32_t) pa_memblockq_get_minreq(s->memblockq); + + s->minreq = *minreq; +} + static playback_stream* playback_stream_new( connection *c, pa_sink *sink, pa_sample_spec *ss, pa_channel_map *map, - const char *name, uint32_t *maxlength, uint32_t *tlength, uint32_t *prebuf, uint32_t *minreq, pa_cvolume *volume, + pa_bool_t muted, uint32_t syncid, uint32_t *missing, - pa_sink_input_flags_t flags) { + pa_sink_input_flags_t flags, + pa_proplist *p, + pa_bool_t adjust_latency) { playback_stream *s, *ssync; pa_sink_input *sink_input; - pa_memblock *silence; + pa_memchunk silence; uint32_t idx; int64_t start_index; pa_sink_input_new_data data; pa_assert(c); pa_assert(ss); - pa_assert(name); pa_assert(maxlength); + pa_assert(tlength); + pa_assert(prebuf); + pa_assert(minreq); + pa_assert(volume); + pa_assert(missing); + pa_assert(p); /* Find syncid group */ for (ssync = pa_idxset_first(c->output_streams, &idx); ssync; ssync = pa_idxset_next(c->output_streams, &idx)) { @@ -667,17 +876,24 @@ static playback_stream* playback_stream_new( } pa_sink_input_new_data_init(&data); - data.sink = sink; + + pa_proplist_update(data.proplist, PA_UPDATE_REPLACE, p); + pa_proplist_update(data.proplist, PA_UPDATE_MERGE, c->client->proplist); data.driver = __FILE__; - data.name = name; + data.module = c->protocol->module; + data.client = c->client; + data.sink = sink; pa_sink_input_new_data_set_sample_spec(&data, ss); pa_sink_input_new_data_set_channel_map(&data, map); pa_sink_input_new_data_set_volume(&data, volume); - data.module = c->protocol->module; - data.client = c->client; + pa_sink_input_new_data_set_muted(&data, muted); data.sync_base = ssync ? ssync->sink_input : NULL; - if (!(sink_input = pa_sink_input_new(c->protocol->core, &data, flags))) + sink_input = pa_sink_input_new(c->protocol->core, &data, flags); + + pa_sink_input_new_data_done(&data); + + if (!sink_input) return NULL; s = pa_msgobject_new(playback_stream); @@ -686,11 +902,11 @@ static playback_stream* playback_stream_new( s->connection = c; s->syncid = syncid; s->sink_input = sink_input; - s->underrun = 1; s->sink_input->parent.process_msg = sink_input_process_msg; - s->sink_input->peek = sink_input_peek_cb; - s->sink_input->drop = sink_input_drop_cb; + s->sink_input->pop = sink_input_pop_cb; + s->sink_input->process_rewind = sink_input_process_rewind_cb; + s->sink_input->update_max_rewind = sink_input_update_max_rewind_cb; s->sink_input->kill = sink_input_kill_cb; s->sink_input->moved = sink_input_moved_cb; s->sink_input->suspend = sink_input_suspend_cb; @@ -698,36 +914,39 @@ static playback_stream* playback_stream_new( start_index = ssync ? pa_memblockq_get_read_index(ssync->memblockq) : 0; - silence = pa_silence_memblock_new(c->protocol->core->mempool, &s->sink_input->sample_spec, 0); + fix_playback_buffer_attr_pre(s, adjust_latency, maxlength, tlength, prebuf, minreq); + pa_sink_input_get_silence(sink_input, &silence); s->memblockq = pa_memblockq_new( start_index, *maxlength, *tlength, - pa_frame_size(&s->sink_input->sample_spec), + pa_frame_size(&sink_input->sample_spec), *prebuf, *minreq, - silence); + 0, + &silence); - pa_memblock_unref(silence); + pa_memblock_unref(silence.memblock); + fix_playback_buffer_attr_post(s, maxlength, tlength, prebuf, minreq); - *maxlength = (uint32_t) pa_memblockq_get_maxlength(s->memblockq); - *tlength = (uint32_t) pa_memblockq_get_tlength(s->memblockq); - *prebuf = (uint32_t) pa_memblockq_get_prebuf(s->memblockq); - *minreq = (uint32_t) pa_memblockq_get_minreq(s->memblockq); *missing = (uint32_t) pa_memblockq_pop_missing(s->memblockq); *ss = s->sink_input->sample_spec; *map = s->sink_input->channel_map; - s->minreq = pa_memblockq_get_minreq(s->memblockq); pa_atomic_store(&s->missing, 0); - s->drain_request = 0; + s->drain_request = FALSE; pa_idxset_put(c->output_streams, s, &s->index); - pa_sink_input_put(s->sink_input); + pa_log_info("Final latency %0.2f ms = %0.2f ms + 2*%0.2f ms + %0.2f ms", + ((double) pa_bytes_to_usec(*tlength, &sink_input->sample_spec) + (double) s->sink_latency) / PA_USEC_PER_MSEC, + (double) pa_bytes_to_usec(*tlength-*minreq*2, &sink_input->sample_spec) / PA_USEC_PER_MSEC, + (double) pa_bytes_to_usec(*minreq, &sink_input->sample_spec) / PA_USEC_PER_MSEC, + (double) s->sink_latency / PA_USEC_PER_MSEC); + pa_sink_input_put(s->sink_input); return s; } @@ -814,13 +1033,13 @@ static void request_bytes(playback_stream *s) { if (m <= 0) return; -/* pa_log("request_bytes(%u)", m); */ +/* pa_log("request_bytes(%lu)", (unsigned long) m); */ previous_missing = pa_atomic_add(&s->missing, m); - if (previous_missing < s->minreq && previous_missing+m >= s->minreq) { - pa_assert(pa_thread_mq_get()); + + if (pa_memblockq_prebuf_active(s->memblockq) || + (previous_missing < s->minreq && previous_missing+m >= s->minreq)) pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_REQUEST_DATA, NULL, 0, NULL, NULL); - } } static void send_memblock(connection *c) { @@ -879,6 +1098,43 @@ static void send_record_stream_killed(record_stream *r) { /*** sink input callbacks ***/ +static void handle_seek(playback_stream *s, int64_t indexw) { + playback_stream_assert_ref(s); + +/* pa_log("handle_seek: %llu -- %i", (unsigned long long) s->sink_input->thread_info.underrun_for, pa_memblockq_is_readable(s->memblockq)); */ + + if (s->sink_input->thread_info.underrun_for > 0) { + +/* pa_log("%lu vs. %lu", (unsigned long) pa_memblockq_get_length(s->memblockq), (unsigned long) pa_memblockq_get_prebuf(s->memblockq)); */ + + if (pa_memblockq_is_readable(s->memblockq)) { + + /* We just ended an underrun, let's ask the sink + * for a complete rewind rewrite */ + + pa_log_debug("Requesting rewind due to end of underrun."); + pa_sink_input_request_rewind(s->sink_input, + s->sink_input->thread_info.underrun_for == (size_t) -1 ? 0 : s->sink_input->thread_info.underrun_for, + FALSE, TRUE); + } + + } else { + int64_t indexr; + + indexr = pa_memblockq_get_read_index(s->memblockq); + + if (indexw < indexr) { + /* OK, the sink already asked for this data, so + * let's have it usk us again */ + + pa_log_debug("Requesting rewind due to rewrite."); + pa_sink_input_request_rewind(s->sink_input, indexr - indexw, TRUE, FALSE); + } + } + + request_bytes(s); +} + /* Called from thread context */ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) { pa_sink_input *i = PA_SINK_INPUT(o); @@ -890,48 +1146,44 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int switch (code) { - case SINK_INPUT_MESSAGE_SEEK: + case SINK_INPUT_MESSAGE_SEEK: { + int64_t windex; + + windex = pa_memblockq_get_write_index(s->memblockq); pa_memblockq_seek(s->memblockq, offset, PA_PTR_TO_UINT(userdata)); - request_bytes(s); + + handle_seek(s, windex); return 0; + } case SINK_INPUT_MESSAGE_POST_DATA: { + int64_t windex; + pa_assert(chunk); -/* pa_log("sink input post: %u", chunk->length); */ + windex = pa_memblockq_get_write_index(s->memblockq); - if (pa_memblockq_push_align(s->memblockq, chunk) < 0) { +/* pa_log("sink input post: %lu %lli", (unsigned long) chunk->length, (long long) windex); */ + if (pa_memblockq_push_align(s->memblockq, chunk) < 0) { pa_log_warn("Failed to push data into queue"); pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_OVERFLOW, NULL, 0, NULL, NULL); pa_memblockq_seek(s->memblockq, chunk->length, PA_SEEK_RELATIVE); } - request_bytes(s); - - s->underrun = 0; - return 0; - } - - case SINK_INPUT_MESSAGE_DRAIN: { - - pa_memblockq_prebuf_disable(s->memblockq); + handle_seek(s, windex); - if (!pa_memblockq_is_readable(s->memblockq)) - pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_DRAIN_ACK, userdata, 0, NULL, NULL); - else { - s->drain_tag = PA_PTR_TO_UINT(userdata); - s->drain_request = 1; - } - request_bytes(s); +/* pa_log("sink input post2: %lu", (unsigned long) pa_memblockq_get_length(s->memblockq)); */ return 0; } + case SINK_INPUT_MESSAGE_DRAIN: case SINK_INPUT_MESSAGE_FLUSH: case SINK_INPUT_MESSAGE_PREBUF_FORCE: case SINK_INPUT_MESSAGE_TRIGGER: { + int64_t windex; pa_sink_input *isync; void (*func)(pa_memblockq *bq); @@ -944,6 +1196,7 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int func = pa_memblockq_prebuf_force; break; + case SINK_INPUT_MESSAGE_DRAIN: case SINK_INPUT_MESSAGE_TRIGGER: func = pa_memblockq_prebuf_disable; break; @@ -952,23 +1205,32 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int pa_assert_not_reached(); } + windex = pa_memblockq_get_write_index(s->memblockq); func(s->memblockq); - s->underrun = 0; - request_bytes(s); + handle_seek(s, windex); /* Do the same for all other members in the sync group */ for (isync = i->sync_prev; isync; isync = isync->sync_prev) { playback_stream *ssync = PLAYBACK_STREAM(isync->userdata); + windex = pa_memblockq_get_write_index(ssync->memblockq); func(ssync->memblockq); - ssync->underrun = 0; - request_bytes(ssync); + handle_seek(ssync, windex); } for (isync = i->sync_next; isync; isync = isync->sync_next) { playback_stream *ssync = PLAYBACK_STREAM(isync->userdata); + windex = pa_memblockq_get_write_index(ssync->memblockq); func(ssync->memblockq); - ssync->underrun = 0; - request_bytes(ssync); + handle_seek(ssync, windex); + } + + if (code == SINK_INPUT_MESSAGE_DRAIN) { + if (!pa_memblockq_is_readable(s->memblockq)) + pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_DRAIN_ACK, userdata, 0, NULL, NULL); + else { + s->drain_tag = PA_PTR_TO_UINT(userdata); + s->drain_request = TRUE; + } } return 0; @@ -978,14 +1240,21 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int s->read_index = pa_memblockq_get_read_index(s->memblockq); s->write_index = pa_memblockq_get_write_index(s->memblockq); - s->resampled_chunk_length = s->sink_input->thread_info.resampled_chunk.memblock ? s->sink_input->thread_info.resampled_chunk.length : 0; + s->render_memblockq_length = pa_memblockq_get_length(s->sink_input->thread_info.render_memblockq); return 0; - case PA_SINK_INPUT_MESSAGE_SET_STATE: + case PA_SINK_INPUT_MESSAGE_SET_STATE: { + int64_t windex; + + windex = pa_memblockq_get_write_index(s->memblockq); pa_memblockq_prebuf_force(s->memblockq); - request_bytes(s); + + handle_seek(s, windex); + + /* Fall through to the default handler */ break; + } case PA_SINK_INPUT_MESSAGE_GET_LATENCY: { pa_usec_t *r = userdata; @@ -1002,7 +1271,7 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int } /* Called from thread context */ -static int sink_input_peek_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk) { +static int sink_input_pop_cb(pa_sink_input *i, size_t nbytes, pa_memchunk *chunk) { playback_stream *s; pa_sink_input_assert_ref(i); @@ -1010,42 +1279,56 @@ static int sink_input_peek_cb(pa_sink_input *i, size_t length, pa_memchunk *chun playback_stream_assert_ref(s); pa_assert(chunk); - if (pa_memblockq_get_length(s->memblockq) <= 0 && !s->underrun) { - pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_UNDERFLOW, NULL, 0, NULL, NULL); - s->underrun = 1; - } - if (pa_memblockq_peek(s->memblockq, chunk) < 0) { -/* pa_log("peek: failure"); */ + +/* pa_log("UNDERRUN: %lu", pa_memblockq_get_length(s->memblockq)); */ + + if (s->drain_request && pa_sink_input_safe_to_remove(i)) { + s->drain_request = FALSE; + pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_DRAIN_ACK, PA_UINT_TO_PTR(s->drain_tag), 0, NULL, NULL); + } else if (i->thread_info.playing_for > 0) + pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_UNDERFLOW, NULL, 0, NULL, NULL); + +/* pa_log("adding %llu bytes", (unsigned long long) nbytes); */ + + request_bytes(s); + return -1; } -/* pa_log("peek: %u", chunk->length); */ +/* pa_log("NOTUNDERRUN %lu", (unsigned long) chunk->length); */ + + if (i->thread_info.underrun_for > 0) + pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_STARTED, NULL, 0, NULL, NULL); + pa_memblockq_drop(s->memblockq, chunk->length); request_bytes(s); return 0; } -/* Called from thread context */ -static void sink_input_drop_cb(pa_sink_input *i, size_t length) { +static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes) { playback_stream *s; pa_sink_input_assert_ref(i); s = PLAYBACK_STREAM(i->userdata); playback_stream_assert_ref(s); - pa_assert(length > 0); - pa_memblockq_drop(s->memblockq, length); + /* If we are in an underrun, then we don't rewind */ + if (i->thread_info.underrun_for > 0) + return; - if (s->drain_request && !pa_memblockq_is_readable(s->memblockq)) { - s->drain_request = 0; - pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_DRAIN_ACK, PA_UINT_TO_PTR(s->drain_tag), 0, NULL, NULL); - } + pa_memblockq_rewind(s->memblockq, nbytes); +} - request_bytes(s); +static void sink_input_update_max_rewind_cb(pa_sink_input *i, size_t nbytes) { + playback_stream *s; + + pa_sink_input_assert_ref(i); + s = PLAYBACK_STREAM(i->userdata); + playback_stream_assert_ref(s); -/* pa_log("after_drop: %u %u", pa_memblockq_get_length(s->memblockq), pa_memblockq_is_readable(s->memblockq)); */ + pa_memblockq_set_maxrewind(s->memblockq, nbytes); } /* Called from main context */ @@ -1084,11 +1367,24 @@ static void sink_input_suspend_cb(pa_sink_input *i, pa_bool_t suspend) { static void sink_input_moved_cb(pa_sink_input *i) { playback_stream *s; pa_tagstruct *t; + uint32_t maxlength, tlength, prebuf, minreq; pa_sink_input_assert_ref(i); s = PLAYBACK_STREAM(i->userdata); playback_stream_assert_ref(s); + maxlength = (uint32_t) pa_memblockq_get_maxlength(s->memblockq); + tlength = (uint32_t) pa_memblockq_get_tlength(s->memblockq); + prebuf = (uint32_t) pa_memblockq_get_prebuf(s->memblockq); + minreq = (uint32_t) pa_memblockq_get_minreq(s->memblockq); + + fix_playback_buffer_attr_pre(s, TRUE, &maxlength, &tlength, &prebuf, &minreq); + pa_memblockq_set_maxlength(s->memblockq, maxlength); + pa_memblockq_set_tlength(s->memblockq, tlength); + pa_memblockq_set_prebuf(s->memblockq, prebuf); + pa_memblockq_set_minreq(s->memblockq, minreq); + fix_playback_buffer_attr_post(s, &maxlength, &tlength, &prebuf, &minreq); + if (s->connection->version < 12) return; @@ -1099,6 +1395,15 @@ static void sink_input_moved_cb(pa_sink_input *i) { pa_tagstruct_putu32(t, i->sink->index); pa_tagstruct_puts(t, i->sink->name); pa_tagstruct_put_boolean(t, pa_sink_get_state(i->sink) == PA_SINK_SUSPENDED); + + if (s->connection->version >= 13) { + pa_tagstruct_putu32(t, maxlength); + pa_tagstruct_putu32(t, tlength); + pa_tagstruct_putu32(t, prebuf); + pa_tagstruct_putu32(t, minreq); + pa_tagstruct_put_usec(t, s->sink_latency); + } + pa_pstream_send_tagstruct(s->connection->pstream, t); } @@ -1163,11 +1468,19 @@ static void source_output_suspend_cb(pa_source_output *o, pa_bool_t suspend) { static void source_output_moved_cb(pa_source_output *o) { record_stream *s; pa_tagstruct *t; + uint32_t maxlength, fragsize; pa_source_output_assert_ref(o); s = RECORD_STREAM(o->userdata); record_stream_assert_ref(s); + fragsize = (uint32_t) s->fragment_size; + maxlength = (uint32_t) pa_memblockq_get_length(s->memblockq); + + fix_record_buffer_attr_pre(s, TRUE, &maxlength, &fragsize); + pa_memblockq_set_maxlength(s->memblockq, maxlength); + fix_record_buffer_attr_post(s, &maxlength, &fragsize); + if (s->connection->version < 12) return; @@ -1178,6 +1491,13 @@ static void source_output_moved_cb(pa_source_output *o) { pa_tagstruct_putu32(t, o->source->index); pa_tagstruct_puts(t, o->source->name); pa_tagstruct_put_boolean(t, pa_source_get_state(o->source) == PA_SOURCE_SUSPENDED); + + if (s->connection->version >= 13) { + pa_tagstruct_putu32(t, maxlength); + pa_tagstruct_putu32(t, fragsize); + pa_tagstruct_put_usec(t, s->source_latency); + } + pa_pstream_send_tagstruct(s->connection->pstream, t); } @@ -1208,38 +1528,62 @@ static void command_create_playback_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GC connection *c = CONNECTION(userdata); playback_stream *s; uint32_t maxlength, tlength, prebuf, minreq, sink_index, syncid, missing; - const char *name, *sink_name; + const char *name = NULL, *sink_name; pa_sample_spec ss; pa_channel_map map; pa_tagstruct *reply; pa_sink *sink = NULL; pa_cvolume volume; - int corked; - int no_remap = 0, no_remix = 0, fix_format = 0, fix_rate = 0, fix_channels = 0, no_move = 0, variable_rate = 0; + pa_bool_t + corked = FALSE, + no_remap = FALSE, + no_remix = FALSE, + fix_format = FALSE, + fix_rate = FALSE, + fix_channels = FALSE, + no_move = FALSE, + variable_rate = FALSE, + muted = FALSE, + adjust_latency = FALSE; + pa_sink_input_flags_t flags = 0; + pa_proplist *p; connection_assert_ref(c); pa_assert(t); - if (pa_tagstruct_get( - t, - PA_TAG_STRING, &name, - PA_TAG_SAMPLE_SPEC, &ss, - PA_TAG_CHANNEL_MAP, &map, - PA_TAG_U32, &sink_index, - PA_TAG_STRING, &sink_name, - PA_TAG_U32, &maxlength, - PA_TAG_BOOLEAN, &corked, - PA_TAG_U32, &tlength, - PA_TAG_U32, &prebuf, - PA_TAG_U32, &minreq, - PA_TAG_U32, &syncid, - PA_TAG_CVOLUME, &volume, - PA_TAG_INVALID) < 0 || !name) { + if ((c->version < 13 && (pa_tagstruct_gets(t, &name) < 0 || !name)) || + pa_tagstruct_get( + t, + PA_TAG_SAMPLE_SPEC, &ss, + PA_TAG_CHANNEL_MAP, &map, + PA_TAG_U32, &sink_index, + PA_TAG_STRING, &sink_name, + PA_TAG_U32, &maxlength, + PA_TAG_BOOLEAN, &corked, + PA_TAG_U32, &tlength, + PA_TAG_U32, &prebuf, + PA_TAG_U32, &minreq, + PA_TAG_U32, &syncid, + PA_TAG_CVOLUME, &volume, + PA_TAG_INVALID) < 0) { + protocol_error(c); return; } + CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); + CHECK_VALIDITY(c->pstream, sink_index != PA_INVALID_INDEX || !sink_name || (*sink_name && pa_utf8_valid(sink_name)), tag, PA_ERR_INVALID); + CHECK_VALIDITY(c->pstream, pa_channel_map_valid(&map), tag, PA_ERR_INVALID); + CHECK_VALIDITY(c->pstream, pa_sample_spec_valid(&ss), tag, PA_ERR_INVALID); + CHECK_VALIDITY(c->pstream, pa_cvolume_valid(&volume), tag, PA_ERR_INVALID); + CHECK_VALIDITY(c->pstream, map.channels == ss.channels && volume.channels == ss.channels, tag, PA_ERR_INVALID); + + p = pa_proplist_new(); + + if (name) + pa_proplist_sets(p, PA_PROP_MEDIA_NAME, name); + if (c->version >= 12) { /* Since 0.9.8 the user can ask for a couple of additional flags */ @@ -1250,32 +1594,45 @@ static void command_create_playback_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GC pa_tagstruct_get_boolean(t, &fix_channels) < 0 || pa_tagstruct_get_boolean(t, &no_move) < 0 || pa_tagstruct_get_boolean(t, &variable_rate) < 0) { + + protocol_error(c); + pa_proplist_free(p); + return; + } + } + + if (c->version >= 13) { + + if (pa_tagstruct_get_boolean(t, &muted) < 0 || + pa_tagstruct_get_boolean(t, &adjust_latency) < 0 || + pa_tagstruct_get_proplist(t, p) < 0) { protocol_error(c); + pa_proplist_free(p); return; } } if (!pa_tagstruct_eof(t)) { protocol_error(c); + pa_proplist_free(p); return; } - CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); - CHECK_VALIDITY(c->pstream, name && pa_utf8_valid(name), tag, PA_ERR_INVALID); - CHECK_VALIDITY(c->pstream, sink_index != PA_INVALID_INDEX || !sink_name || (*sink_name && pa_utf8_valid(name)), tag, PA_ERR_INVALID); - CHECK_VALIDITY(c->pstream, pa_channel_map_valid(&map), tag, PA_ERR_INVALID); - CHECK_VALIDITY(c->pstream, pa_sample_spec_valid(&ss), tag, PA_ERR_INVALID); - CHECK_VALIDITY(c->pstream, pa_cvolume_valid(&volume), tag, PA_ERR_INVALID); - CHECK_VALIDITY(c->pstream, map.channels == ss.channels && volume.channels == ss.channels, tag, PA_ERR_INVALID); - CHECK_VALIDITY(c->pstream, maxlength > 0, tag, PA_ERR_INVALID); - CHECK_VALIDITY(c->pstream, maxlength <= MAX_MEMBLOCKQ_LENGTH, tag, PA_ERR_INVALID); - if (sink_index != PA_INVALID_INDEX) { - sink = pa_idxset_get_by_index(c->protocol->core->sinks, sink_index); - CHECK_VALIDITY(c->pstream, sink, tag, PA_ERR_NOENTITY); + + if (!(sink = pa_idxset_get_by_index(c->protocol->core->sinks, sink_index))) { + pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY); + pa_proplist_free(p); + return; + } + } else if (sink_name) { - sink = pa_namereg_get(c->protocol->core, sink_name, PA_NAMEREG_SINK, 1); - CHECK_VALIDITY(c->pstream, sink, tag, PA_ERR_NOENTITY); + + if (!(sink = pa_namereg_get(c->protocol->core, sink_name, PA_NAMEREG_SINK, 1))) { + pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY); + pa_proplist_free(p); + return; + } } flags = @@ -1288,7 +1645,9 @@ static void command_create_playback_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GC (no_move ? PA_SINK_INPUT_DONT_MOVE : 0) | (variable_rate ? PA_SINK_INPUT_VARIABLE_RATE : 0); - s = playback_stream_new(c, sink, &ss, &map, name, &maxlength, &tlength, &prebuf, &minreq, &volume, syncid, &missing, flags); + s = playback_stream_new(c, sink, &ss, &map, &maxlength, &tlength, &prebuf, &minreq, &volume, muted, syncid, &missing, flags, p, adjust_latency); + pa_proplist_free(p); + CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_INVALID); reply = reply_new(tag); @@ -1322,6 +1681,9 @@ static void command_create_playback_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GC pa_tagstruct_put_boolean(reply, pa_sink_get_state(s->sink_input->sink) == PA_SINK_SUSPENDED); } + if (c->version >= 13) + pa_tagstruct_put_usec(reply, s->sink_latency); + pa_pstream_send_tagstruct(c->pstream, reply); } @@ -1393,14 +1755,24 @@ static void command_create_record_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_ pa_channel_map map; pa_tagstruct *reply; pa_source *source = NULL; - int corked; - int no_remap = 0, no_remix = 0, fix_format = 0, fix_rate = 0, fix_channels = 0, no_move = 0, variable_rate = 0; + pa_bool_t + corked = FALSE, + no_remap = FALSE, + no_remix = FALSE, + fix_format = FALSE, + fix_rate = FALSE, + fix_channels = FALSE, + no_move = FALSE, + variable_rate = FALSE, + adjust_latency = FALSE, + peak_detect = FALSE; pa_source_output_flags_t flags = 0; + pa_proplist *p; connection_assert_ref(c); pa_assert(t); - if (pa_tagstruct_gets(t, &name) < 0 || + if ((c->version < 13 && (pa_tagstruct_gets(t, &name) < 0 || !name)) || pa_tagstruct_get_sample_spec(t, &ss) < 0 || pa_tagstruct_get_channel_map(t, &map) < 0 || pa_tagstruct_getu32(t, &source_index) < 0 || @@ -1412,6 +1784,17 @@ static void command_create_record_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_ return; } + CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); + CHECK_VALIDITY(c->pstream, pa_sample_spec_valid(&ss), tag, PA_ERR_INVALID); + CHECK_VALIDITY(c->pstream, pa_channel_map_valid(&map), tag, PA_ERR_INVALID); + CHECK_VALIDITY(c->pstream, source_index != PA_INVALID_INDEX || !source_name || (*source_name && pa_utf8_valid(source_name)), tag, PA_ERR_INVALID); + CHECK_VALIDITY(c->pstream, map.channels == ss.channels, tag, PA_ERR_INVALID); + + p = pa_proplist_new(); + + if (name) + pa_proplist_sets(p, PA_PROP_MEDIA_NAME, name); + if (c->version >= 12) { /* Since 0.9.8 the user can ask for a couple of additional flags */ @@ -1422,16 +1805,47 @@ static void command_create_record_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_ pa_tagstruct_get_boolean(t, &fix_channels) < 0 || pa_tagstruct_get_boolean(t, &no_move) < 0 || pa_tagstruct_get_boolean(t, &variable_rate) < 0) { + protocol_error(c); + pa_proplist_free(p); + return; + } + } + + if (c->version >= 13) { + + if (pa_tagstruct_get_boolean(t, &peak_detect) < 0 || + pa_tagstruct_get_boolean(t, &adjust_latency) < 0 || + pa_tagstruct_get_proplist(t, p) < 0) { + protocol_error(c); + pa_proplist_free(p); return; } } if (!pa_tagstruct_eof(t)) { protocol_error(c); + pa_proplist_free(p); return; } + if (source_index != PA_INVALID_INDEX) { + + if (!(source = pa_idxset_get_by_index(c->protocol->core->sources, source_index))) { + pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY); + pa_proplist_free(p); + return; + } + + } else if (source_name) { + + if (!(source = pa_namereg_get(c->protocol->core, source_name, PA_NAMEREG_SOURCE, 1))) { + pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY); + pa_proplist_free(p); + return; + } + } + flags = (corked ? PA_SOURCE_OUTPUT_START_CORKED : 0) | (no_remap ? PA_SOURCE_OUTPUT_NO_REMAP : 0) | @@ -1442,24 +1856,9 @@ static void command_create_record_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_ (no_move ? PA_SOURCE_OUTPUT_DONT_MOVE : 0) | (variable_rate ? PA_SOURCE_OUTPUT_VARIABLE_RATE : 0); - CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); - CHECK_VALIDITY(c->pstream, name && pa_utf8_valid(name), tag, PA_ERR_INVALID); - CHECK_VALIDITY(c->pstream, pa_sample_spec_valid(&ss), tag, PA_ERR_INVALID); - CHECK_VALIDITY(c->pstream, pa_channel_map_valid(&map), tag, PA_ERR_INVALID); - CHECK_VALIDITY(c->pstream, source_index != PA_INVALID_INDEX || !source_name || (*source_name && pa_utf8_valid(source_name)), tag, PA_ERR_INVALID); - CHECK_VALIDITY(c->pstream, map.channels == ss.channels, tag, PA_ERR_INVALID); - CHECK_VALIDITY(c->pstream, maxlength > 0, tag, PA_ERR_INVALID); - CHECK_VALIDITY(c->pstream, maxlength <= MAX_MEMBLOCKQ_LENGTH, tag, PA_ERR_INVALID); - - if (source_index != PA_INVALID_INDEX) { - source = pa_idxset_get_by_index(c->protocol->core->sources, source_index); - CHECK_VALIDITY(c->pstream, source, tag, PA_ERR_NOENTITY); - } else if (source_name) { - source = pa_namereg_get(c->protocol->core, source_name, PA_NAMEREG_SOURCE, 1); - CHECK_VALIDITY(c->pstream, source, tag, PA_ERR_NOENTITY); - } + s = record_stream_new(c, source, &ss, &map, peak_detect, &maxlength, &fragment_size, flags, p, adjust_latency); + pa_proplist_free(p); - s = record_stream_new(c, source, &ss, &map, name, &maxlength, fragment_size, flags); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_INVALID); reply = reply_new(tag); @@ -1471,7 +1870,7 @@ static void command_create_record_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_ /* Since 0.9 we support sending the buffer metrics back to the client */ pa_tagstruct_putu32(reply, (uint32_t) maxlength); - pa_tagstruct_putu32(reply, (uint32_t) s->fragment_size); + pa_tagstruct_putu32(reply, (uint32_t) fragment_size); } if (c->version >= 12) { @@ -1488,6 +1887,9 @@ static void command_create_record_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_ pa_tagstruct_put_boolean(reply, pa_source_get_state(s->source_output->source) == PA_SOURCE_SUSPENDED); } + if (c->version >= 13) + pa_tagstruct_put_usec(reply, s->source_latency); + pa_pstream_send_tagstruct(c->pstream, reply); } @@ -1512,6 +1914,7 @@ static void command_auth(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t connection *c = CONNECTION(userdata); const void*cookie; pa_tagstruct *reply; + char tmp[16]; connection_assert_ref(c); pa_assert(t); @@ -1529,29 +1932,32 @@ static void command_auth(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t return; } + pa_snprintf(tmp, sizeof(tmp), "%u", c->version); + pa_proplist_sets(c->client->proplist, "native-protocol.version", tmp); + if (!c->authorized) { - int success = 0; + pa_bool_t success = FALSE; #ifdef HAVE_CREDS const pa_creds *creds; if ((creds = pa_pdispatch_creds(pd))) { if (creds->uid == getuid()) - success = 1; + success = TRUE; else if (c->protocol->auth_group) { int r; gid_t gid; if ((gid = pa_get_gid_of_group(c->protocol->auth_group)) == (gid_t) -1) - pa_log_warn("failed to get GID of group '%s'", c->protocol->auth_group); + pa_log_warn("Failed to get GID of group '%s'", c->protocol->auth_group); else if (gid == creds->gid) - success = 1; + success = TRUE; if (!success) { if ((r = pa_uid_in_group(creds->uid, c->protocol->auth_group)) < 0) - pa_log_warn("failed to check group membership."); + pa_log_warn("Failed to check group membership."); else if (r > 0) - success = 1; + success = TRUE; } } @@ -1564,7 +1970,7 @@ static void command_auth(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t pa_mempool_is_shared(c->protocol->core->mempool) && creds->uid == getuid()) { - pa_pstream_use_shm(c->pstream, 1); + pa_pstream_enable_shm(c->pstream, TRUE); pa_log_info("Enabled SHM for new connection"); } @@ -1572,7 +1978,7 @@ static void command_auth(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t #endif if (!success && memcmp(c->protocol->auth_cookie, cookie, PA_NATIVE_COOKIE_LENGTH) == 0) - success = 1; + success = TRUE; if (!success) { pa_log_warn("Denied access to client with invalid authorization data."); @@ -1580,7 +1986,7 @@ static void command_auth(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t return; } - c->authorized = 1; + c->authorized = TRUE; if (c->auth_timeout_event) { c->protocol->core->mainloop->time_free(c->auth_timeout_event); c->auth_timeout_event = NULL; @@ -1608,21 +2014,42 @@ static void command_auth(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t static void command_set_client_name(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { connection *c = CONNECTION(userdata); - const char *name; + const char *name = NULL; + pa_proplist *p; + pa_tagstruct *reply; connection_assert_ref(c); pa_assert(t); - if (pa_tagstruct_gets(t, &name) < 0 || + p = pa_proplist_new(); + + if ((c->version < 13 && pa_tagstruct_gets(t, &name) < 0) || + (c->version >= 13 && pa_tagstruct_get_proplist(t, p) < 0) || !pa_tagstruct_eof(t)) { + protocol_error(c); + pa_proplist_free(p); return; } - CHECK_VALIDITY(c->pstream, name && pa_utf8_valid(name), tag, PA_ERR_INVALID); + if (name) + if (pa_proplist_sets(p, PA_PROP_APPLICATION_NAME, name) < 0) { + pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID); + pa_proplist_free(p); + return; + } - pa_client_set_name(c->client, name); - pa_pstream_send_simple_ack(c->pstream, tag); + pa_proplist_update(c->client->proplist, PA_UPDATE_REPLACE, p); + pa_proplist_free(p); + + pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_CLIENT|PA_SUBSCRIPTION_EVENT_CHANGE, c->client->index); + + reply = reply_new(tag); + + if (c->version >= 13) + pa_tagstruct_putu32(reply, c->client->index); + + pa_pstream_send_tagstruct(c->pstream, reply); } static void command_lookup(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { @@ -1738,16 +2165,22 @@ static void command_get_playback_latency(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_ reply = reply_new(tag); latency = pa_sink_get_latency(s->sink_input->sink); - latency += pa_bytes_to_usec(s->resampled_chunk_length, &s->sink_input->sample_spec); + latency += pa_bytes_to_usec(s->render_memblockq_length, &s->sink_input->sample_spec); pa_tagstruct_put_usec(reply, latency); pa_tagstruct_put_usec(reply, 0); - pa_tagstruct_put_boolean(reply, pa_sink_input_get_state(s->sink_input) == PA_SINK_INPUT_RUNNING); + pa_tagstruct_put_boolean(reply, s->sink_input->thread_info.playing_for > 0); pa_tagstruct_put_timeval(reply, &tv); pa_tagstruct_put_timeval(reply, pa_gettimeofday(&now)); pa_tagstruct_puts64(reply, s->write_index); pa_tagstruct_puts64(reply, s->read_index); + + if (c->version >= 13) { + pa_tagstruct_putu64(reply, s->sink_input->thread_info.underrun_for); + pa_tagstruct_putu64(reply, s->sink_input->thread_info.playing_for); + } + pa_pstream_send_tagstruct(c->pstream, reply); } @@ -1775,7 +2208,7 @@ static void command_get_record_latency(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UN reply = reply_new(tag); pa_tagstruct_put_usec(reply, s->source_output->source->monitor_of ? pa_sink_get_latency(s->source_output->source->monitor_of) : 0); pa_tagstruct_put_usec(reply, pa_source_get_latency(s->source_output->source)); - pa_tagstruct_put_boolean(reply, 0); + pa_tagstruct_put_boolean(reply, pa_source_get_state(s->source_output->source) == PA_SOURCE_RUNNING); pa_tagstruct_put_timeval(reply, &tv); pa_tagstruct_put_timeval(reply, pa_gettimeofday(&now)); pa_tagstruct_puts64(reply, pa_memblockq_get_write_index(s->memblockq)); @@ -1787,19 +2220,19 @@ static void command_create_upload_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_ connection *c = CONNECTION(userdata); upload_stream *s; uint32_t length; - const char *name; + const char *name = NULL; pa_sample_spec ss; pa_channel_map map; pa_tagstruct *reply; + pa_proplist *p; connection_assert_ref(c); pa_assert(t); - if (pa_tagstruct_gets(t, &name) < 0 || + if ((c->version < 13 && pa_tagstruct_gets(t, &name) < 0) || pa_tagstruct_get_sample_spec(t, &ss) < 0 || pa_tagstruct_get_channel_map(t, &map) < 0 || - pa_tagstruct_getu32(t, &length) < 0 || - !pa_tagstruct_eof(t)) { + pa_tagstruct_getu32(t, &length) < 0) { protocol_error(c); return; } @@ -1810,9 +2243,24 @@ static void command_create_upload_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_ CHECK_VALIDITY(c->pstream, map.channels == ss.channels, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, (length % pa_frame_size(&ss)) == 0 && length > 0, tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, length <= PA_SCACHE_ENTRY_SIZE_MAX, tag, PA_ERR_TOOLARGE); - CHECK_VALIDITY(c->pstream, name && *name && pa_utf8_valid(name), tag, PA_ERR_INVALID); - s = upload_stream_new(c, &ss, &map, name, length); + if (c->version < 13) + CHECK_VALIDITY(c->pstream, name && *name && pa_utf8_valid(name), tag, PA_ERR_INVALID); + + p = pa_proplist_new(); + + if (c->version >= 13 && pa_tagstruct_get_proplist(t, p) < 0) { + protocol_error(c); + pa_proplist_free(p); + return; + } + + if (c->version < 13) + pa_proplist_sets(p, PA_PROP_MEDIA_NAME, name); + + s = upload_stream_new(c, &ss, &map, name, length, p); + pa_proplist_free(p); + CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_INVALID); reply = reply_new(tag); @@ -1842,7 +2290,7 @@ static void command_finish_upload_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_ CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); CHECK_VALIDITY(c->pstream, upload_stream_isinstance(s), tag, PA_ERR_NOENTITY); - if (pa_scache_add_item(c->protocol->core, s->name, &s->sample_spec, &s->channel_map, &s->memchunk, &idx) < 0) + if (pa_scache_add_item(c->protocol->core, s->name, &s->sample_spec, &s->channel_map, &s->memchunk, s->proplist, &idx) < 0) pa_pstream_send_error(c->pstream, tag, PA_ERR_INTERNAL); else pa_pstream_send_simple_ack(c->pstream, tag); @@ -1856,20 +2304,23 @@ static void command_play_sample(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED ui pa_volume_t volume; pa_sink *sink; const char *name, *sink_name; + uint32_t idx; + pa_proplist *p; + pa_tagstruct *reply; connection_assert_ref(c); pa_assert(t); + CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); + if (pa_tagstruct_getu32(t, &sink_index) < 0 || pa_tagstruct_gets(t, &sink_name) < 0 || pa_tagstruct_getu32(t, &volume) < 0 || - pa_tagstruct_gets(t, &name) < 0 || - !pa_tagstruct_eof(t)) { + pa_tagstruct_gets(t, &name) < 0) { protocol_error(c); return; } - CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); CHECK_VALIDITY(c->pstream, sink_index != PA_INVALID_INDEX || !sink_name || (*sink_name && pa_utf8_valid(name)), tag, PA_ERR_INVALID); CHECK_VALIDITY(c->pstream, name && *name && pa_utf8_valid(name), tag, PA_ERR_INVALID); @@ -1880,12 +2331,29 @@ static void command_play_sample(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED ui CHECK_VALIDITY(c->pstream, sink, tag, PA_ERR_NOENTITY); - if (pa_scache_play_item(c->protocol->core, name, sink, volume) < 0) { + p = pa_proplist_new(); + + if ((c->version >= 13 && pa_tagstruct_get_proplist(t, p) < 0) || + !pa_tagstruct_eof(t)) { + protocol_error(c); + pa_proplist_free(p); + return; + } + + if (pa_scache_play_item(c->protocol->core, name, sink, volume, p, &idx) < 0) { pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY); + pa_proplist_free(p); return; } - pa_pstream_send_simple_ack(c->pstream, tag); + pa_proplist_free(p); + + reply = reply_new(tag); + + if (c->version >= 13) + pa_tagstruct_putu32(reply, idx); + + pa_pstream_send_tagstruct(c->pstream, reply); } static void command_remove_sample(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { @@ -1942,7 +2410,7 @@ static void sink_fill_tagstruct(connection *c, pa_tagstruct *t, pa_sink *sink) { t, PA_TAG_U32, sink->index, PA_TAG_STRING, sink->name, - PA_TAG_STRING, sink->description, + PA_TAG_STRING, pa_strnull(pa_proplist_gets(sink->proplist, PA_PROP_DEVICE_DESCRIPTION)), PA_TAG_SAMPLE_SPEC, &fixed_ss, PA_TAG_CHANNEL_MAP, &sink->channel_map, PA_TAG_U32, sink->module ? sink->module->index : PA_INVALID_INDEX, @@ -1954,6 +2422,11 @@ static void sink_fill_tagstruct(connection *c, pa_tagstruct *t, pa_sink *sink) { PA_TAG_STRING, sink->driver, PA_TAG_U32, sink->flags, PA_TAG_INVALID); + + if (c->version >= 13) { + pa_tagstruct_put_proplist(t, sink->proplist); + pa_tagstruct_put_usec(t, pa_sink_get_requested_latency(sink)); + } } static void source_fill_tagstruct(connection *c, pa_tagstruct *t, pa_source *source) { @@ -1968,7 +2441,7 @@ static void source_fill_tagstruct(connection *c, pa_tagstruct *t, pa_source *sou t, PA_TAG_U32, source->index, PA_TAG_STRING, source->name, - PA_TAG_STRING, source->description, + PA_TAG_STRING, pa_strnull(pa_proplist_gets(source->proplist, PA_PROP_DEVICE_DESCRIPTION)), PA_TAG_SAMPLE_SPEC, &fixed_ss, PA_TAG_CHANNEL_MAP, &source->channel_map, PA_TAG_U32, source->module ? source->module->index : PA_INVALID_INDEX, @@ -1980,16 +2453,26 @@ static void source_fill_tagstruct(connection *c, pa_tagstruct *t, pa_source *sou PA_TAG_STRING, source->driver, PA_TAG_U32, source->flags, PA_TAG_INVALID); + + if (c->version >= 13) { + pa_tagstruct_put_proplist(t, source->proplist); + pa_tagstruct_put_usec(t, pa_source_get_requested_latency(source)); + } } -static void client_fill_tagstruct(pa_tagstruct *t, pa_client *client) { + +static void client_fill_tagstruct(connection *c, pa_tagstruct *t, pa_client *client) { pa_assert(t); pa_assert(client); pa_tagstruct_putu32(t, client->index); - pa_tagstruct_puts(t, client->name); - pa_tagstruct_putu32(t, client->owner ? client->owner->index : PA_INVALID_INDEX); + pa_tagstruct_puts(t, pa_strnull(pa_proplist_gets(client->proplist, PA_PROP_APPLICATION_NAME))); + pa_tagstruct_putu32(t, client->module ? client->module->index : PA_INVALID_INDEX); pa_tagstruct_puts(t, client->driver); + + if (c->version >= 13) + pa_tagstruct_put_proplist(t, client->proplist); + } static void module_fill_tagstruct(pa_tagstruct *t, pa_module *module) { @@ -2012,7 +2495,7 @@ static void sink_input_fill_tagstruct(connection *c, pa_tagstruct *t, pa_sink_in fixup_sample_spec(c, &fixed_ss, &s->sample_spec); pa_tagstruct_putu32(t, s->index); - pa_tagstruct_puts(t, s->name); + pa_tagstruct_puts(t, pa_strnull(pa_proplist_gets(s->proplist, PA_PROP_MEDIA_NAME))); pa_tagstruct_putu32(t, s->module ? s->module->index : PA_INVALID_INDEX); pa_tagstruct_putu32(t, s->client ? s->client->index : PA_INVALID_INDEX); pa_tagstruct_putu32(t, s->sink->index); @@ -2025,6 +2508,8 @@ static void sink_input_fill_tagstruct(connection *c, pa_tagstruct *t, pa_sink_in pa_tagstruct_puts(t, s->driver); if (c->version >= 11) pa_tagstruct_put_boolean(t, pa_sink_input_get_mute(s)); + if (c->version >= 13) + pa_tagstruct_put_proplist(t, s->proplist); } static void source_output_fill_tagstruct(connection *c, pa_tagstruct *t, pa_source_output *s) { @@ -2036,7 +2521,7 @@ static void source_output_fill_tagstruct(connection *c, pa_tagstruct *t, pa_sour fixup_sample_spec(c, &fixed_ss, &s->sample_spec); pa_tagstruct_putu32(t, s->index); - pa_tagstruct_puts(t, s->name); + pa_tagstruct_puts(t, pa_strnull(pa_proplist_gets(s->proplist, PA_PROP_MEDIA_NAME))); pa_tagstruct_putu32(t, s->module ? s->module->index : PA_INVALID_INDEX); pa_tagstruct_putu32(t, s->client ? s->client->index : PA_INVALID_INDEX); pa_tagstruct_putu32(t, s->source->index); @@ -2046,6 +2531,9 @@ static void source_output_fill_tagstruct(connection *c, pa_tagstruct *t, pa_sour pa_tagstruct_put_usec(t, pa_source_get_latency(s->source)); pa_tagstruct_puts(t, pa_resample_method_to_string(pa_source_output_get_resample_method(s))); pa_tagstruct_puts(t, s->driver); + + if (c->version >= 13) + pa_tagstruct_put_proplist(t, s->proplist); } static void scache_fill_tagstruct(connection *c, pa_tagstruct *t, pa_scache_entry *e) { @@ -2065,6 +2553,9 @@ static void scache_fill_tagstruct(connection *c, pa_tagstruct *t, pa_scache_entr pa_tagstruct_putu32(t, e->memchunk.length); pa_tagstruct_put_boolean(t, e->lazy); pa_tagstruct_puts(t, e->filename); + + if (c->version >= 13) + pa_tagstruct_put_proplist(t, e->proplist); } static void command_get_info(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { @@ -2134,7 +2625,7 @@ static void command_get_info(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, u else if (source) source_fill_tagstruct(c, reply, source); else if (client) - client_fill_tagstruct(reply, client); + client_fill_tagstruct(c, reply, client); else if (module) module_fill_tagstruct(reply, module); else if (si) @@ -2189,7 +2680,7 @@ static void command_get_info_list(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t comma else if (command == PA_COMMAND_GET_SOURCE_INFO_LIST) source_fill_tagstruct(c, reply, p); else if (command == PA_COMMAND_GET_CLIENT_INFO_LIST) - client_fill_tagstruct(reply, p); + client_fill_tagstruct(c, reply, p); else if (command == PA_COMMAND_GET_MODULE_INFO_LIST) module_fill_tagstruct(reply, p); else if (command == PA_COMMAND_GET_SINK_INPUT_INFO_LIST) @@ -2227,7 +2718,7 @@ static void command_get_server_info(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSE pa_tagstruct_puts(reply, PACKAGE_NAME); pa_tagstruct_puts(reply, PACKAGE_VERSION); pa_tagstruct_puts(reply, pa_get_user_name(txt, sizeof(txt))); - pa_tagstruct_puts(reply, pa_get_fqdn(txt, sizeof(txt))); + pa_tagstruct_puts(reply, pa_get_host_name(txt, sizeof(txt))); fixup_sample_spec(c, &fixed_ss, &c->protocol->core->default_sample_spec); pa_tagstruct_put_sample_spec(reply, &fixed_ss); @@ -2360,7 +2851,7 @@ static void command_set_mute( connection *c = CONNECTION(userdata); uint32_t idx; - int mute; + pa_bool_t mute; pa_sink *sink = NULL; pa_source *source = NULL; pa_sink_input *si = NULL; @@ -2423,7 +2914,7 @@ static void command_set_mute( static void command_cork_playback_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { connection *c = CONNECTION(userdata); uint32_t idx; - int b; + pa_bool_t b; playback_stream *s; connection_assert_ref(c); @@ -2490,7 +2981,7 @@ static void command_cork_record_stream(PA_GCC_UNUSED pa_pdispatch *pd, PA_GCC_UN connection *c = CONNECTION(userdata); uint32_t idx; record_stream *s; - int b; + pa_bool_t b; connection_assert_ref(c); pa_assert(t); @@ -2551,6 +3042,7 @@ static void command_set_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, u if (command == PA_COMMAND_SET_PLAYBACK_STREAM_BUFFER_ATTR) { playback_stream *s; + pa_bool_t adjust_latency = FALSE; s = pa_idxset_get_by_index(c->output_streams, idx); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); @@ -2563,28 +3055,31 @@ static void command_set_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, u PA_TAG_U32, &prebuf, PA_TAG_U32, &minreq, PA_TAG_INVALID) < 0 || + (c->version >= 13 && pa_tagstruct_get_boolean(t, &adjust_latency) < 0) || !pa_tagstruct_eof(t)) { protocol_error(c); return; } - CHECK_VALIDITY(c->pstream, maxlength > 0, tag, PA_ERR_INVALID); - CHECK_VALIDITY(c->pstream, maxlength <= MAX_MEMBLOCKQ_LENGTH, tag, PA_ERR_INVALID); - + fix_playback_buffer_attr_pre(s, adjust_latency, &maxlength, &tlength, &prebuf, &minreq); pa_memblockq_set_maxlength(s->memblockq, maxlength); pa_memblockq_set_tlength(s->memblockq, tlength); pa_memblockq_set_prebuf(s->memblockq, prebuf); pa_memblockq_set_minreq(s->memblockq, minreq); + fix_playback_buffer_attr_post(s, &maxlength, &tlength, &prebuf, &minreq); reply = reply_new(tag); - pa_tagstruct_putu32(reply, (uint32_t) pa_memblockq_get_maxlength(s->memblockq)); - pa_tagstruct_putu32(reply, (uint32_t) pa_memblockq_get_tlength(s->memblockq)); - pa_tagstruct_putu32(reply, (uint32_t) pa_memblockq_get_prebuf(s->memblockq)); - pa_tagstruct_putu32(reply, (uint32_t) pa_memblockq_get_minreq(s->memblockq)); + pa_tagstruct_putu32(reply, maxlength); + pa_tagstruct_putu32(reply, tlength); + pa_tagstruct_putu32(reply, prebuf); + pa_tagstruct_putu32(reply, minreq); + + if (c->version >= 13) + pa_tagstruct_put_usec(reply, s->sink_latency); } else { record_stream *s; - size_t base; + pa_bool_t adjust_latency = FALSE; pa_assert(command == PA_COMMAND_SET_RECORD_STREAM_BUFFER_ATTR); s = pa_idxset_get_by_index(c->record_streams, idx); @@ -2595,27 +3090,22 @@ static void command_set_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, u PA_TAG_U32, &maxlength, PA_TAG_U32, &fragsize, PA_TAG_INVALID) < 0 || + (c->version >= 13 && pa_tagstruct_get_boolean(t, &adjust_latency) < 0) || !pa_tagstruct_eof(t)) { protocol_error(c); return; } - CHECK_VALIDITY(c->pstream, maxlength > 0, tag, PA_ERR_INVALID); - CHECK_VALIDITY(c->pstream, maxlength <= MAX_MEMBLOCKQ_LENGTH, tag, PA_ERR_INVALID); - + fix_record_buffer_attr_pre(s, adjust_latency, &maxlength, &fragsize); pa_memblockq_set_maxlength(s->memblockq, maxlength); - - base = pa_frame_size(&s->source_output->sample_spec); - s->fragment_size = (fragsize/base)*base; - if (s->fragment_size <= 0) - s->fragment_size = base; - - if (s->fragment_size > pa_memblockq_get_maxlength(s->memblockq)) - s->fragment_size = pa_memblockq_get_maxlength(s->memblockq); + fix_record_buffer_attr_post(s, &maxlength, &fragsize); reply = reply_new(tag); - pa_tagstruct_putu32(reply, (uint32_t) pa_memblockq_get_maxlength(s->memblockq)); - pa_tagstruct_putu32(reply, s->fragment_size); + pa_tagstruct_putu32(reply, maxlength); + pa_tagstruct_putu32(reply, fragsize); + + if (c->version >= 13) + pa_tagstruct_put_usec(reply, s->source_latency); } pa_pstream_send_tagstruct(c->pstream, reply); @@ -2661,6 +3151,168 @@ static void command_update_stream_sample_rate(pa_pdispatch *pd, uint32_t command pa_pstream_send_simple_ack(c->pstream, tag); } +static void command_update_proplist(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { + connection *c = CONNECTION(userdata); + uint32_t idx; + uint32_t mode; + pa_proplist *p; + + connection_assert_ref(c); + pa_assert(t); + + CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); + + p = pa_proplist_new(); + + if (command == PA_COMMAND_UPDATE_CLIENT_PROPLIST) { + + if (pa_tagstruct_getu32(t, &mode) < 0 || + pa_tagstruct_get_proplist(t, p) < 0 || + !pa_tagstruct_eof(t)) { + protocol_error(c); + pa_proplist_free(p); + return; + } + + } else { + + if (pa_tagstruct_getu32(t, &idx) < 0 || + pa_tagstruct_getu32(t, &mode) < 0 || + pa_tagstruct_get_proplist(t, p) < 0 || + !pa_tagstruct_eof(t)) { + protocol_error(c); + pa_proplist_free(p); + return; + } + } + + CHECK_VALIDITY(c->pstream, mode == PA_UPDATE_SET || mode == PA_UPDATE_MERGE || mode == PA_UPDATE_REPLACE, tag, PA_ERR_INVALID); + + if (command == PA_COMMAND_UPDATE_PLAYBACK_STREAM_PROPLIST) { + playback_stream *s; + + s = pa_idxset_get_by_index(c->output_streams, idx); + CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); + CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY); + + pa_proplist_update(s->sink_input->proplist, mode, p); + pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, s->sink_input->index); + + } else if (command == PA_COMMAND_UPDATE_RECORD_STREAM_PROPLIST) { + record_stream *s; + + s = pa_idxset_get_by_index(c->record_streams, idx); + CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); + + pa_proplist_update(s->source_output->proplist, mode, p); + pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, s->source_output->index); + } else { + pa_assert(command == PA_COMMAND_UPDATE_CLIENT_PROPLIST); + + pa_proplist_update(c->client->proplist, mode, p); + pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_CLIENT|PA_SUBSCRIPTION_EVENT_CHANGE, c->client->index); + } + + pa_pstream_send_simple_ack(c->pstream, tag); +} + +static void command_remove_proplist(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { + connection *c = CONNECTION(userdata); + uint32_t idx; + unsigned changed = 0; + pa_proplist *p; + pa_strlist *l = NULL; + + connection_assert_ref(c); + pa_assert(t); + + CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS); + + if (command != PA_COMMAND_REMOVE_CLIENT_PROPLIST) { + + if (pa_tagstruct_getu32(t, &idx) < 0) { + protocol_error(c); + return; + } + } + + if (command == PA_COMMAND_REMOVE_PLAYBACK_STREAM_PROPLIST) { + playback_stream *s; + + s = pa_idxset_get_by_index(c->output_streams, idx); + CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); + CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY); + + p = s->sink_input->proplist; + + } else if (command == PA_COMMAND_REMOVE_RECORD_STREAM_PROPLIST) { + record_stream *s; + + s = pa_idxset_get_by_index(c->record_streams, idx); + CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); + + p = s->source_output->proplist; + } else { + pa_assert(command == PA_COMMAND_REMOVE_CLIENT_PROPLIST); + + p = c->client->proplist; + } + + for (;;) { + const char *k; + + if (pa_tagstruct_gets(t, &k) < 0) { + protocol_error(c); + pa_strlist_free(l); + return; + } + + if (!k) + break; + + l = pa_strlist_prepend(l, k); + } + + if (!pa_tagstruct_eof(t)) { + protocol_error(c); + pa_strlist_free(l); + return; + } + + for (;;) { + char *z; + + l = pa_strlist_pop(l, &z); + + if (!z) + break; + + changed += pa_proplist_unset(p, z) >= 0; + pa_xfree(z); + } + + pa_pstream_send_simple_ack(c->pstream, tag); + + if (changed) { + if (command == PA_COMMAND_REMOVE_PLAYBACK_STREAM_PROPLIST) { + playback_stream *s; + + s = pa_idxset_get_by_index(c->output_streams, idx); + pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, s->sink_input->index); + + } else if (command == PA_COMMAND_REMOVE_RECORD_STREAM_PROPLIST) { + record_stream *s; + + s = pa_idxset_get_by_index(c->record_streams, idx); + pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, s->source_output->index); + + } else { + pa_assert(command == PA_COMMAND_REMOVE_CLIENT_PROPLIST); + pa_subscription_post(c->protocol->core, PA_SUBSCRIPTION_EVENT_CLIENT|PA_SUBSCRIPTION_EVENT_CHANGE, c->client->index); + } + } +} + static void command_set_default_sink_or_source(PA_GCC_UNUSED pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { connection *c = CONNECTION(userdata); const char *s; @@ -2991,7 +3643,7 @@ static void command_move_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag CHECK_VALIDITY(c->pstream, si && sink, tag, PA_ERR_NOENTITY); - if (pa_sink_input_move_to(si, sink, 0) < 0) { + if (pa_sink_input_move_to(si, sink) < 0) { pa_pstream_send_error(c->pstream, tag, PA_ERR_INVALID); return; } @@ -3023,7 +3675,7 @@ static void command_suspend(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa connection *c = CONNECTION(userdata); uint32_t idx = PA_INVALID_INDEX; const char *name = NULL; - int b; + pa_bool_t b; connection_assert_ref(c); pa_assert(t); @@ -3247,11 +3899,11 @@ static void on_connection(PA_GCC_UNUSED pa_socket_server*s, pa_iochannel *io, vo c->parent.parent.free = connection_free; c->parent.process_msg = connection_process_msg; - c->authorized = !!p->public; + c->authorized = p->public; if (!c->authorized && p->auth_ip_acl && pa_ip_acl_check(p->auth_ip_acl, pa_iochannel_get_recv_fd(io)) > 0) { pa_log_info("Client authenticated by IP ACL."); - c->authorized = 1; + c->authorized = TRUE; } if (!c->authorized) { @@ -3267,9 +3919,10 @@ static void on_connection(PA_GCC_UNUSED pa_socket_server*s, pa_iochannel *io, vo pa_iochannel_socket_peer_to_string(io, pname, sizeof(pname)); pa_snprintf(cname, sizeof(cname), "Native client (%s)", pname); c->client = pa_client_new(p->core, __FILE__, cname); + pa_proplist_sets(c->client->proplist, "native-protocol.peer", pname); c->client->kill = client_kill_cb; c->client->userdata = c; - c->client->owner = p->module; + c->client->module = p->module; c->pstream = pa_pstream_new(p->core->mainloop, io, p->core->mempool); @@ -3302,12 +3955,12 @@ static void on_connection(PA_GCC_UNUSED pa_socket_server*s, pa_iochannel *io, vo static int load_key(pa_protocol_native*p, const char*fn) { pa_assert(p); - p->auth_cookie_in_property = 0; + p->auth_cookie_in_property = FALSE; if (!fn && pa_authkey_prop_get(p->core, PA_NATIVE_COOKIE_PROPERTY_NAME, p->auth_cookie, sizeof(p->auth_cookie)) >= 0) { pa_log_info("using already loaded auth cookie."); pa_authkey_prop_ref(p->core, PA_NATIVE_COOKIE_PROPERTY_NAME); - p->auth_cookie_in_property = 1; + p->auth_cookie_in_property = TRUE; return 0; } @@ -3320,7 +3973,7 @@ static int load_key(pa_protocol_native*p, const char*fn) { pa_log_info("loading cookie from disk."); if (pa_authkey_prop_put(p->core, PA_NATIVE_COOKIE_PROPERTY_NAME, p->auth_cookie, sizeof(p->auth_cookie)) >= 0) - p->auth_cookie_in_property = 1; + p->auth_cookie_in_property = TRUE; return 0; } @@ -3347,7 +4000,7 @@ static pa_protocol_native* protocol_new_internal(pa_core *c, pa_module *m, pa_mo #ifdef HAVE_CREDS { - pa_bool_t a = 1; + pa_bool_t a = TRUE; if (pa_modargs_get_value_boolean(ma, "auth-group-enabled", &a) < 0) { pa_log("auth-group-enabled= expects a boolean argument."); return NULL; @@ -3392,7 +4045,7 @@ pa_protocol_native* pa_protocol_native_new(pa_core *core, pa_socket_server *serv if (!(p = protocol_new_internal(core, m, ma))) return NULL; - p->server = server; + p->server = pa_socket_server_ref(server); pa_socket_server_set_callback(p->server, on_connection, p); if (pa_socket_server_get_address(p->server, t, sizeof(t))) { diff --git a/src/pulsecore/protocol-simple.c b/src/pulsecore/protocol-simple.c index 777def30..cbe48440 100644 --- a/src/pulsecore/protocol-simple.c +++ b/src/pulsecore/protocol-simple.c @@ -32,6 +32,7 @@ #include #include +#include #include #include @@ -42,6 +43,7 @@ #include #include #include +#include #include "protocol-simple.h" @@ -57,12 +59,13 @@ typedef struct connection { pa_client *client; pa_memblockq *input_memblockq, *output_memblockq; - int dead; + pa_bool_t dead; struct { pa_memblock *current_memblock; - size_t memblock_index, fragment_size; + size_t memblock_index; pa_atomic_t missing; + pa_bool_t underrun; } playback; } connection; @@ -101,7 +104,8 @@ enum { #define PLAYBACK_BUFFER_SECONDS (.5) #define PLAYBACK_BUFFER_FRAGMENTS (10) #define RECORD_BUFFER_SECONDS (5) -#define RECORD_BUFFER_FRAGMENTS (100) +#define DEFAULT_SINK_LATENCY (300*PA_USEC_PER_MSEC) +#define DEFAULT_SOURCE_LATENCY (300*PA_USEC_PER_MSEC) static void connection_unlink(connection *c) { pa_assert(c); @@ -140,8 +144,6 @@ static void connection_free(pa_object *o) { connection *c = CONNECTION(o); pa_assert(c); - connection_unref(c); - if (c->playback.current_memblock) pa_memblock_unref(c->playback.current_memblock); @@ -158,27 +160,33 @@ static int do_read(connection *c) { ssize_t r; size_t l; void *p; + size_t space; connection_assert_ref(c); if (!c->sink_input || (l = pa_atomic_load(&c->playback.missing)) <= 0) return 0; - if (l > c->playback.fragment_size) - l = c->playback.fragment_size; + if (c->playback.current_memblock) { - if (c->playback.current_memblock) - if (pa_memblock_get_length(c->playback.current_memblock) - c->playback.memblock_index < l) { + space = pa_memblock_get_length(c->playback.current_memblock) - c->playback.memblock_index; + + if (space <= 0) { pa_memblock_unref(c->playback.current_memblock); c->playback.current_memblock = NULL; - c->playback.memblock_index = 0; } + } if (!c->playback.current_memblock) { - pa_assert_se(c->playback.current_memblock = pa_memblock_new(c->protocol->core->mempool, l)); + pa_assert_se(c->playback.current_memblock = pa_memblock_new(c->protocol->core->mempool, 0)); c->playback.memblock_index = 0; + + space = pa_memblock_get_length(c->playback.current_memblock); } + if (l > space) + l = space; + p = pa_memblock_acquire(c->playback.current_memblock); r = pa_iochannel_read(c->io, (uint8_t*) p + c->playback.memblock_index, l); pa_memblock_release(c->playback.current_memblock); @@ -248,16 +256,16 @@ static void do_work(connection *c) { if (c->dead) return; - if (pa_iochannel_is_readable(c->io)) { + if (pa_iochannel_is_readable(c->io)) if (do_read(c) < 0) goto fail; - } else if (pa_iochannel_is_hungup(c->io)) + + if (!c->sink_input && pa_iochannel_is_hungup(c->io)) goto fail; - if (pa_iochannel_is_writable(c->io)) { + if (pa_iochannel_is_writable(c->io)) if (do_write(c) < 0) goto fail; - } return; @@ -266,7 +274,7 @@ fail: if (c->sink_input) { /* If there is a sink input, we first drain what we already have read before shutting down the connection */ - c->dead = 1; + c->dead = TRUE; pa_iochannel_free(c->io); c->io = NULL; @@ -318,15 +326,19 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int /* New data from the main loop */ pa_memblockq_push_align(c->input_memblockq, chunk); + if (pa_memblockq_is_readable(c->input_memblockq) && c->playback.underrun) { + pa_log_debug("Requesting rewind due to end of underrun."); + pa_sink_input_request_rewind(c->sink_input, 0, FALSE, TRUE); + } + /* pa_log("got data, %u", pa_memblockq_get_length(c->input_memblockq)); */ return 0; } - case SINK_INPUT_MESSAGE_DISABLE_PREBUF: { + case SINK_INPUT_MESSAGE_DISABLE_PREBUF: pa_memblockq_prebuf_disable(c->input_memblockq); return 0; - } case PA_SINK_INPUT_MESSAGE_GET_LATENCY: { pa_usec_t *r = userdata; @@ -343,43 +355,62 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int } /* Called from thread context */ -static int sink_input_peek_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk) { +static int sink_input_pop_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk) { connection *c; - int r; - pa_assert(i); + pa_sink_input_assert_ref(i); c = CONNECTION(i->userdata); connection_assert_ref(c); pa_assert(chunk); - r = pa_memblockq_peek(c->input_memblockq, chunk); + if (pa_memblockq_peek(c->input_memblockq, chunk) < 0) { + + c->playback.underrun = TRUE; -/* pa_log("peeked %u %i", r >= 0 ? chunk->length: 0, r); */ + if (c->dead && pa_sink_input_safe_to_remove(i)) + pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(c), CONNECTION_MESSAGE_UNLINK_CONNECTION, NULL, 0, NULL, NULL); - if (c->dead && r < 0) - pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(c), CONNECTION_MESSAGE_UNLINK_CONNECTION, NULL, 0, NULL, NULL); + return -1; + } else { + size_t m; + + c->playback.underrun = FALSE; + + pa_memblockq_drop(c->input_memblockq, chunk->length); + m = pa_memblockq_pop_missing(c->input_memblockq); + + if (m > 0) + if (pa_atomic_add(&c->playback.missing, m) <= 0) + pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(c), CONNECTION_MESSAGE_REQUEST_DATA, NULL, 0, NULL, NULL); - return r; + return 0; + } } /* Called from thread context */ -static void sink_input_drop_cb(pa_sink_input *i, size_t length) { +static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes) { connection *c; - size_t old, new; - pa_assert(i); + pa_sink_input_assert_ref(i); c = CONNECTION(i->userdata); connection_assert_ref(c); - pa_assert(length); - old = pa_memblockq_missing(c->input_memblockq); - pa_memblockq_drop(c->input_memblockq, length); - new = pa_memblockq_missing(c->input_memblockq); + /* If we are in an underrun, then we don't rewind */ + if (i->thread_info.underrun_for > 0) + return; - if (new > old) { - if (pa_atomic_add(&c->playback.missing, new - old) <= 0) - pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(c), CONNECTION_MESSAGE_REQUEST_DATA, NULL, 0, NULL, NULL); - } + pa_memblockq_rewind(c->input_memblockq, nbytes); +} + +/* Called from thread context */ +static void sink_input_update_max_rewind_cb(pa_sink_input *i, size_t nbytes) { + connection *c; + + pa_sink_input_assert_ref(i); + c = CONNECTION(i->userdata); + connection_assert_ref(c); + + pa_memblockq_set_maxrewind(c->input_memblockq, nbytes); } /* Called from main context */ @@ -395,7 +426,7 @@ static void sink_input_kill_cb(pa_sink_input *i) { static void source_output_push_cb(pa_source_output *o, const pa_memchunk *chunk) { connection *c; - pa_assert(o); + pa_source_output_assert_ref(o); c = CONNECTION(o->userdata); pa_assert(c); pa_assert(chunk); @@ -414,7 +445,7 @@ static void source_output_kill_cb(pa_source_output *o) { static pa_usec_t source_output_get_latency_cb(pa_source_output *o) { connection*c; - pa_assert(o); + pa_source_output_assert_ref(o); c = CONNECTION(o->userdata); pa_assert(c); @@ -449,7 +480,7 @@ static void io_callback(pa_iochannel*io, void *userdata) { static void on_connection(pa_socket_server*s, pa_iochannel *io, void *userdata) { pa_protocol_simple *p = userdata; connection *c = NULL; - char cname[256]; + char cname[256], pname[128]; pa_assert(s); pa_assert(io); @@ -471,49 +502,64 @@ static void on_connection(pa_socket_server*s, pa_iochannel *io, void *userdata) c->protocol = p; c->playback.current_memblock = NULL; c->playback.memblock_index = 0; - c->playback.fragment_size = 0; - c->dead = 0; + c->dead = FALSE; + c->playback.underrun = TRUE; pa_atomic_store(&c->playback.missing, 0); - pa_iochannel_socket_peer_to_string(io, cname, sizeof(cname)); + pa_iochannel_socket_peer_to_string(io, pname, sizeof(pname)); + pa_snprintf(cname, sizeof(cname), "Simple client (%s)", pname); pa_assert_se(c->client = pa_client_new(p->core, __FILE__, cname)); - c->client->owner = p->module; + pa_proplist_sets(c->client->proplist, "simple-protocol.peer", pname); + c->client->module = p->module; c->client->kill = client_kill_cb; c->client->userdata = c; if (p->mode & PLAYBACK) { pa_sink_input_new_data data; size_t l; + pa_sink *sink; + + if (!(sink = pa_namereg_get(c->protocol->core, c->protocol->sink_name, PA_NAMEREG_SINK, TRUE))) { + pa_log("Failed to get sink."); + goto fail; + } pa_sink_input_new_data_init(&data); data.driver = __FILE__; - data.name = c->client->name; - pa_sink_input_new_data_set_sample_spec(&data, &p->sample_spec); data.module = p->module; data.client = c->client; + data.sink = sink; + pa_proplist_update(data.proplist, PA_UPDATE_MERGE, c->client->proplist); + pa_sink_input_new_data_set_sample_spec(&data, &p->sample_spec); + + c->sink_input = pa_sink_input_new(p->core, &data, 0); + pa_sink_input_new_data_done(&data); - if (!(c->sink_input = pa_sink_input_new(p->core, &data, 0))) { + if (!c->sink_input) { pa_log("Failed to create sink input."); goto fail; } c->sink_input->parent.process_msg = sink_input_process_msg; - c->sink_input->peek = sink_input_peek_cb; - c->sink_input->drop = sink_input_drop_cb; + c->sink_input->pop = sink_input_pop_cb; + c->sink_input->process_rewind = sink_input_process_rewind_cb; + c->sink_input->update_max_rewind = sink_input_update_max_rewind_cb; c->sink_input->kill = sink_input_kill_cb; c->sink_input->userdata = c; + pa_sink_input_set_requested_latency(c->sink_input, DEFAULT_SINK_LATENCY); + l = (size_t) (pa_bytes_per_second(&p->sample_spec)*PLAYBACK_BUFFER_SECONDS); c->input_memblockq = pa_memblockq_new( 0, l, - 0, + l, pa_frame_size(&p->sample_spec), (size_t) -1, l/PLAYBACK_BUFFER_FRAGMENTS, + 0, NULL); - pa_iochannel_socket_set_rcvbuf(io, l/PLAYBACK_BUFFER_FRAGMENTS*5); - c->playback.fragment_size = l/PLAYBACK_BUFFER_FRAGMENTS; + pa_iochannel_socket_set_rcvbuf(io, l); pa_atomic_store(&c->playback.missing, pa_memblockq_missing(c->input_memblockq)); @@ -523,15 +569,25 @@ static void on_connection(pa_socket_server*s, pa_iochannel *io, void *userdata) if (p->mode & RECORD) { pa_source_output_new_data data; size_t l; + pa_source *source; + + if (!(source = pa_namereg_get(c->protocol->core, c->protocol->source_name, PA_NAMEREG_SOURCE, TRUE))) { + pa_log("Failed to get source."); + goto fail; + } pa_source_output_new_data_init(&data); data.driver = __FILE__; - data.name = c->client->name; - pa_source_output_new_data_set_sample_spec(&data, &p->sample_spec); data.module = p->module; data.client = c->client; + data.source = source; + pa_proplist_update(data.proplist, PA_UPDATE_MERGE, c->client->proplist); + pa_source_output_new_data_set_sample_spec(&data, &p->sample_spec); - if (!(c->source_output = pa_source_output_new(p->core, &data, 0))) { + c->source_output = pa_source_output_new(p->core, &data, 0); + pa_source_output_new_data_done(&data); + + if (!c->source_output) { pa_log("Failed to create source output."); goto fail; } @@ -540,6 +596,8 @@ static void on_connection(pa_socket_server*s, pa_iochannel *io, void *userdata) c->source_output->get_latency = source_output_get_latency_cb; c->source_output->userdata = c; + pa_source_output_set_requested_latency(c->source_output, DEFAULT_SOURCE_LATENCY); + l = (size_t) (pa_bytes_per_second(&p->sample_spec)*RECORD_BUFFER_SECONDS); c->output_memblockq = pa_memblockq_new( 0, @@ -548,8 +606,9 @@ static void on_connection(pa_socket_server*s, pa_iochannel *io, void *userdata) pa_frame_size(&p->sample_spec), 1, 0, + 0, NULL); - pa_iochannel_socket_set_sndbuf(io, l/RECORD_BUFFER_FRAGMENTS*2); + pa_iochannel_socket_set_sndbuf(io, l); pa_source_output_put(c->source_output); } @@ -570,12 +629,13 @@ pa_protocol_simple* pa_protocol_simple_new(pa_core *core, pa_socket_server *serv pa_assert(core); pa_assert(server); + pa_assert(m); pa_assert(ma); p = pa_xnew0(pa_protocol_simple, 1); p->module = m; p->core = core; - p->server = server; + p->server = pa_socket_server_ref(server); p->connections = pa_idxset_new(NULL, NULL); p->sample_spec = core->default_sample_spec; @@ -594,7 +654,7 @@ pa_protocol_simple* pa_protocol_simple_new(pa_core *core, pa_socket_server *serv } p->mode = enable ? RECORD : 0; - enable = 1; + enable = TRUE; if (pa_modargs_get_value_boolean(ma, "playback", &enable) < 0) { pa_log("playback= expects a numeric argument."); goto fail; diff --git a/src/pulsecore/pstream.c b/src/pulsecore/pstream.c index 9d32a363..5004d67f 100644 --- a/src/pulsecore/pstream.c +++ b/src/pulsecore/pstream.c @@ -98,7 +98,7 @@ struct item_info { /* packet info */ pa_packet *packet; #ifdef HAVE_CREDS - int with_creds; + pa_bool_t with_creds; pa_creds creds; #endif @@ -121,7 +121,7 @@ struct pa_pstream { pa_queue *send_queue; - int dead; + pa_bool_t dead; struct { pa_pstream_descriptor descriptor; @@ -141,7 +141,7 @@ struct pa_pstream { size_t index; } read; - int use_shm; + pa_bool_t use_shm; pa_memimport *import; pa_memexport *export; @@ -167,7 +167,7 @@ struct pa_pstream { #ifdef HAVE_CREDS pa_creds read_creds, write_creds; - int read_creds_valid, send_creds_now; + pa_bool_t read_creds_valid, send_creds_now; #endif }; @@ -239,7 +239,7 @@ pa_pstream *pa_pstream_new(pa_mainloop_api *m, pa_iochannel *io, pa_mempool *poo PA_REFCNT_INIT(p); p->io = io; pa_iochannel_set_callback(io, io_callback, p); - p->dead = 0; + p->dead = FALSE; p->mainloop = m; p->defer_event = m->defer_new(m, defer_callback, p); @@ -269,18 +269,18 @@ pa_pstream *pa_pstream_new(pa_mainloop_api *m, pa_iochannel *io, pa_mempool *poo p->mempool = pool; - p->use_shm = 0; + p->use_shm = FALSE; p->export = NULL; /* We do importing unconditionally */ p->import = pa_memimport_new(p->mempool, memimport_release_cb, p); - pa_iochannel_socket_set_rcvbuf(io, 1024*8); - pa_iochannel_socket_set_sndbuf(io, 1024*8); + pa_iochannel_socket_set_rcvbuf(io, pa_mempool_block_size_max(p->mempool)); + pa_iochannel_socket_set_sndbuf(io, pa_mempool_block_size_max(p->mempool)); #ifdef HAVE_CREDS - p->send_creds_now = 0; - p->read_creds_valid = 0; + p->send_creds_now = FALSE; + p->read_creds_valid = FALSE; #endif return p; } @@ -374,7 +374,7 @@ void pa_pstream_send_memblock(pa_pstream*p, uint32_t channel, int64_t offset, pa i = pa_xnew(struct item_info, 1); i->type = PA_PSTREAM_ITEM_MEMBLOCK; - n = MIN(length, bsm); + n = PA_MIN(length, bsm); i->chunk.index = chunk->index + idx; i->chunk.length = n; i->chunk.memblock = pa_memblock_ref(chunk->memblock); @@ -383,7 +383,7 @@ void pa_pstream_send_memblock(pa_pstream*p, uint32_t channel, int64_t offset, pa i->offset = offset; i->seek_mode = seek_mode; #ifdef HAVE_CREDS - i->with_creds = 0; + i->with_creds = FALSE; #endif pa_queue_push(p->send_queue, i); @@ -410,7 +410,7 @@ void pa_pstream_send_release(pa_pstream *p, uint32_t block_id) { item->type = PA_PSTREAM_ITEM_SHMRELEASE; item->block_id = block_id; #ifdef HAVE_CREDS - item->with_creds = 0; + item->with_creds = FALSE; #endif pa_queue_push(p->send_queue, item); @@ -447,7 +447,7 @@ void pa_pstream_send_revoke(pa_pstream *p, uint32_t block_id) { item->type = PA_PSTREAM_ITEM_SHMREVOKE; item->block_id = block_id; #ifdef HAVE_CREDS - item->with_creds = 0; + item->with_creds = FALSE; #endif pa_queue_push(p->send_queue, item); @@ -504,7 +504,7 @@ static void prepare_next_write_item(pa_pstream *p) { } else { uint32_t flags; - int send_payload = 1; + pa_bool_t send_payload = TRUE; pa_assert(p->write.current->type == PA_PSTREAM_ITEM_MEMBLOCK); pa_assert(p->write.current->chunk.memblock); @@ -529,7 +529,7 @@ static void prepare_next_write_item(pa_pstream *p) { &length) >= 0) { flags |= PA_FLAG_SHMDATA; - send_payload = 0; + send_payload = FALSE; p->write.shm_info[PA_PSTREAM_SHM_BLOCKID] = htonl(block_id); p->write.shm_info[PA_PSTREAM_SHM_SHMID] = htonl(shm_id); @@ -599,7 +599,7 @@ static int do_write(pa_pstream *p) { if ((r = pa_iochannel_write_with_creds(p->io, d, l, &p->write_creds)) < 0) goto fail; - p->send_creds_now = 0; + p->send_creds_now = FALSE; } else #endif @@ -875,7 +875,7 @@ frame_done: p->read.data = NULL; #ifdef HAVE_CREDS - p->read_creds_valid = 0; + p->read_creds_valid = FALSE; #endif return 0; @@ -935,14 +935,14 @@ void pa_pstream_set_revoke_callback(pa_pstream *p, pa_pstream_block_id_cb_t cb, p->release_callback_userdata = userdata; } -int pa_pstream_is_pending(pa_pstream *p) { - int b; +pa_bool_t pa_pstream_is_pending(pa_pstream *p) { + pa_bool_t b; pa_assert(p); pa_assert(PA_REFCNT_VALUE(p) > 0); if (p->dead) - b = 0; + b = FALSE; else b = p->write.current || !pa_queue_is_empty(p->send_queue); @@ -971,7 +971,7 @@ void pa_pstream_unlink(pa_pstream *p) { if (p->dead) return; - p->dead = 1; + p->dead = TRUE; if (p->import) { pa_memimport_free(p->import); @@ -999,7 +999,7 @@ void pa_pstream_unlink(pa_pstream *p) { p->recieve_memblock_callback = NULL; } -void pa_pstream_use_shm(pa_pstream *p, int enable) { +void pa_pstream_enable_shm(pa_pstream *p, pa_bool_t enable) { pa_assert(p); pa_assert(PA_REFCNT_VALUE(p) > 0); @@ -1018,3 +1018,10 @@ void pa_pstream_use_shm(pa_pstream *p, int enable) { } } } + +pa_bool_t pa_pstream_get_shm(pa_pstream *p) { + pa_assert(p); + pa_assert(PA_REFCNT_VALUE(p) > 0); + + return p->use_shm; +} diff --git a/src/pulsecore/pstream.h b/src/pulsecore/pstream.h index 72babea9..00b37b71 100644 --- a/src/pulsecore/pstream.h +++ b/src/pulsecore/pstream.h @@ -35,6 +35,7 @@ #include #include #include +#include typedef struct pa_pstream pa_pstream; @@ -44,8 +45,11 @@ typedef void (*pa_pstream_notify_cb_t)(pa_pstream *p, void *userdata); typedef void (*pa_pstream_block_id_cb_t)(pa_pstream *p, uint32_t block_id, void *userdata); pa_pstream* pa_pstream_new(pa_mainloop_api *m, pa_iochannel *io, pa_mempool *p); -void pa_pstream_unref(pa_pstream*p); + pa_pstream* pa_pstream_ref(pa_pstream*p); +void pa_pstream_unref(pa_pstream*p); + +void pa_pstream_unlink(pa_pstream *p); void pa_pstream_send_packet(pa_pstream*p, pa_packet *packet, const pa_creds *creds); void pa_pstream_send_memblock(pa_pstream*p, uint32_t channel, int64_t offset, pa_seek_mode_t seek, const pa_memchunk *chunk); @@ -59,10 +63,9 @@ void pa_pstream_set_die_callback(pa_pstream *p, pa_pstream_notify_cb_t cb, void void pa_pstream_set_release_callback(pa_pstream *p, pa_pstream_block_id_cb_t cb, void *userdata); void pa_pstream_set_revoke_callback(pa_pstream *p, pa_pstream_block_id_cb_t cb, void *userdata); -int pa_pstream_is_pending(pa_pstream *p); - -void pa_pstream_use_shm(pa_pstream *p, int enable); +pa_bool_t pa_pstream_is_pending(pa_pstream *p); -void pa_pstream_unlink(pa_pstream *p); +void pa_pstream_enable_shm(pa_pstream *p, pa_bool_t enable); +pa_bool_t pa_pstream_get_shm(pa_pstream *p); #endif diff --git a/src/pulsecore/refcnt.h b/src/pulsecore/refcnt.h index 64271ab2..f0885fb4 100644 --- a/src/pulsecore/refcnt.h +++ b/src/pulsecore/refcnt.h @@ -32,6 +32,9 @@ #define PA_REFCNT_INIT(p) \ pa_atomic_store(&(p)->_ref, 1) +#define PA_REFCNT_INIT_ZERO(p) \ + pa_atomic_store(&(p)->_ref, 0) + #define PA_REFCNT_INC(p) \ pa_atomic_inc(&(p)->_ref) diff --git a/src/pulsecore/resampler.c b/src/pulsecore/resampler.c index fe7f1ad2..d645639c 100644 --- a/src/pulsecore/resampler.c +++ b/src/pulsecore/resampler.c @@ -47,7 +47,7 @@ #include "resampler.h" /* Number of samples of extra space we allow the resamplers to return */ -#define EXTRA_SAMPLES 128 +#define EXTRA_FRAMES 128 struct pa_resampler { pa_resample_method_t method; @@ -79,6 +79,15 @@ struct pa_resampler { unsigned i_counter; } trivial; + struct { /* data specific to the peak finder pseudo resampler */ + unsigned o_counter; + unsigned i_counter; + + float max_f[PA_CHANNELS_MAX]; + int16_t max_i[PA_CHANNELS_MAX]; + + } peaks; + #ifdef HAVE_LIBSAMPLERATE struct { /* data specific to libsamplerate */ SRC_STATE *state; @@ -99,6 +108,7 @@ static int copy_init(pa_resampler *r); static int trivial_init(pa_resampler*r); static int speex_init(pa_resampler*r); static int ffmpeg_init(pa_resampler*r); +static int peaks_init(pa_resampler*r); #ifdef HAVE_LIBSAMPLERATE static int libsamplerate_init(pa_resampler*r); #endif @@ -144,7 +154,8 @@ static int (* const init_table[])(pa_resampler*r) = { [PA_RESAMPLER_SPEEX_FIXED_BASE+10] = speex_init, [PA_RESAMPLER_FFMPEG] = ffmpeg_init, [PA_RESAMPLER_AUTO] = NULL, - [PA_RESAMPLER_COPY] = copy_init + [PA_RESAMPLER_COPY] = copy_init, + [PA_RESAMPLER_PEAKS] = peaks_init, }; static inline size_t sample_size(pa_sample_format_t f) { @@ -242,9 +253,9 @@ pa_resampler* pa_resampler_new( if ((method >= PA_RESAMPLER_SPEEX_FIXED_BASE && method <= PA_RESAMPLER_SPEEX_FIXED_MAX) || (method == PA_RESAMPLER_FFMPEG)) r->work_format = PA_SAMPLE_S16NE; - else if (method == PA_RESAMPLER_TRIVIAL || method == PA_RESAMPLER_COPY) { + else if (method == PA_RESAMPLER_TRIVIAL || method == PA_RESAMPLER_COPY || method == PA_RESAMPLER_PEAKS) { - if (r->map_required || a->format != b->format) { + if (r->map_required || a->format != b->format || method == PA_RESAMPLER_PEAKS) { if (a->format == PA_SAMPLE_S32NE || a->format == PA_SAMPLE_S32RE || a->format == PA_SAMPLE_FLOAT32NE || a->format == PA_SAMPLE_FLOAT32RE || @@ -347,6 +358,12 @@ size_t pa_resampler_request(pa_resampler *r, size_t out_length) { return (((out_length / r->o_fz)*r->i_ss.rate)/r->o_ss.rate) * r->i_fz; } +size_t pa_resampler_result(pa_resampler *r, size_t in_length) { + pa_assert(r); + + return (((in_length / r->i_fz)*r->o_ss.rate)/r->i_ss.rate) * r->o_fz; +} + size_t pa_resampler_max_block_size(pa_resampler *r) { size_t block_size_max; pa_sample_spec ss; @@ -358,22 +375,17 @@ size_t pa_resampler_max_block_size(pa_resampler *r) { /* We deduce the "largest" sample spec we're using during the * conversion */ - ss = r->i_ss; - if (r->o_ss.channels > ss.channels) - ss.channels = r->o_ss.channels; + ss.channels = PA_MAX(r->i_ss.channels, r->o_ss.channels); /* We silently assume that the format enum is ordered by size */ - if (r->o_ss.format > ss.format) - ss.format = r->o_ss.format; - if (r->work_format > ss.format) - ss.format = r->work_format; + ss.format = PA_MAX(r->i_ss.format, r->o_ss.format); + ss.format = PA_MAX(ss.format, r->work_format); - if (r->o_ss.rate > ss.rate) - ss.rate = r->o_ss.rate; + ss.rate = PA_MAX(r->i_ss.rate, r->o_ss.rate); fs = pa_frame_size(&ss); - return (((block_size_max/fs + EXTRA_SAMPLES)*r->i_ss.rate)/ss.rate)*r->i_fz; + return (((block_size_max/fs - EXTRA_FRAMES)*r->i_ss.rate)/ss.rate)*r->i_fz; } void pa_resampler_reset(pa_resampler *r) { @@ -420,7 +432,8 @@ static const char * const resample_methods[] = { "speex-fixed-10", "ffmpeg", "auto", - "copy" + "copy", + "peaks" }; const char *pa_resample_method_to_string(pa_resample_method_t m) { @@ -1069,7 +1082,7 @@ static pa_memchunk *resample(pa_resampler *r, pa_memchunk *input) { in_n_samples = input->length / r->w_sz; in_n_frames = in_n_samples / r->o_ss.channels; - out_n_frames = ((in_n_frames*r->o_ss.rate)/r->i_ss.rate)+EXTRA_SAMPLES; + out_n_frames = ((in_n_frames*r->o_ss.rate)/r->i_ss.rate)+EXTRA_FRAMES; out_n_samples = out_n_frames * r->o_ss.channels; r->buf3.index = 0; @@ -1400,6 +1413,113 @@ static int trivial_init(pa_resampler*r) { return 0; } +/* Peak finder implementation */ + +static void peaks_resample(pa_resampler *r, const pa_memchunk *input, unsigned in_n_frames, pa_memchunk *output, unsigned *out_n_frames) { + size_t fz; + unsigned o_index; + void *src, *dst; + unsigned start = 0; + + pa_assert(r); + pa_assert(input); + pa_assert(output); + pa_assert(out_n_frames); + + fz = r->w_sz * r->o_ss.channels; + + src = (uint8_t*) pa_memblock_acquire(input->memblock) + input->index; + dst = (uint8_t*) pa_memblock_acquire(output->memblock) + output->index; + + for (o_index = 0;; o_index++, r->peaks.o_counter++) { + unsigned j; + + j = ((r->peaks.o_counter * r->i_ss.rate) / r->o_ss.rate); + j = j > r->peaks.i_counter ? j - r->peaks.i_counter : 0; + + if (j >= in_n_frames) + break; + + pa_assert(o_index * fz < pa_memblock_get_length(output->memblock)); + + if (r->work_format == PA_SAMPLE_S16NE) { + unsigned i, c; + int16_t *s = (int16_t*) ((uint8_t*) src + fz * j); + int16_t *d = (int16_t*) ((uint8_t*) dst + fz * o_index); + + for (i = start; i <= j; i++) + for (c = 0; c < r->o_ss.channels; c++, s++) { + int16_t n; + + n = *s < 0 ? -*s : *s; + + if (n > r->peaks.max_i[c]) + r->peaks.max_i[c] = n; + } + + for (c = 0; c < r->o_ss.channels; c++, d++) + *d = r->peaks.max_i[c]; + + memset(r->peaks.max_i, 0, sizeof(r->peaks.max_i)); + } else { + unsigned i, c; + float *s = (float*) ((uint8_t*) src + fz * j); + float *d = (float*) ((uint8_t*) dst + fz * o_index); + + pa_assert(r->work_format == PA_SAMPLE_FLOAT32NE); + + for (i = start; i <= j; i++) + for (c = 0; c < r->o_ss.channels; c++, s++) { + float n = fabsf(*s); + + if (n > r->peaks.max_f[c]) + r->peaks.max_f[c] = n; + } + + for (c = 0; c < r->o_ss.channels; c++, d++) + *d = r->peaks.max_f[c]; + + memset(r->peaks.max_f, 0, sizeof(r->peaks.max_f)); + } + } + + pa_memblock_release(input->memblock); + pa_memblock_release(output->memblock); + + *out_n_frames = o_index; + + r->peaks.i_counter += in_n_frames; + + /* Normalize counters */ + while (r->peaks.i_counter >= r->i_ss.rate) { + pa_assert(r->peaks.o_counter >= r->o_ss.rate); + + r->peaks.i_counter -= r->i_ss.rate; + r->peaks.o_counter -= r->o_ss.rate; + } +} + +static void peaks_update_rates_or_reset(pa_resampler *r) { + pa_assert(r); + + r->peaks.i_counter = 0; + r->peaks.o_counter = 0; +} + +static int peaks_init(pa_resampler*r) { + pa_assert(r); + + r->peaks.o_counter = r->peaks.i_counter = 0; + memset(r->peaks.max_i, 0, sizeof(r->peaks.max_i)); + memset(r->peaks.max_f, 0, sizeof(r->peaks.max_f)); + + r->impl_resample = peaks_resample; + r->impl_update_rates = peaks_update_rates_or_reset; + r->impl_reset = peaks_update_rates_or_reset; + + return 0; +} + /*** ffmpeg based implementation ***/ static void ffmpeg_resample(pa_resampler *r, const pa_memchunk *input, unsigned in_n_frames, pa_memchunk *output, unsigned *out_n_frames) { diff --git a/src/pulsecore/resampler.h b/src/pulsecore/resampler.h index 82d01082..8534f5b5 100644 --- a/src/pulsecore/resampler.h +++ b/src/pulsecore/resampler.h @@ -46,6 +46,7 @@ typedef enum pa_resample_method { PA_RESAMPLER_FFMPEG, PA_RESAMPLER_AUTO, /* automatic select based on sample format */ PA_RESAMPLER_COPY, + PA_RESAMPLER_PEAKS, PA_RESAMPLER_MAX } pa_resample_method_t; @@ -69,6 +70,9 @@ void pa_resampler_free(pa_resampler *r); /* Returns the size of an input memory block which is required to return the specified amount of output data */ size_t pa_resampler_request(pa_resampler *r, size_t out_length); +/* Inverse of pa_resampler_request() */ +size_t pa_resampler_result(pa_resampler *r, size_t in_length); + /* Returns the maximum size of input blocks we can process without needing bounce buffers larger than the mempool tile size. */ size_t pa_resampler_max_block_size(pa_resampler *r); diff --git a/src/pulsecore/rtclock.c b/src/pulsecore/rtclock.c index 07d776e4..e74e5243 100644 --- a/src/pulsecore/rtclock.c +++ b/src/pulsecore/rtclock.c @@ -96,3 +96,24 @@ pa_usec_t pa_rtclock_usec(void) { return pa_timeval_load(pa_rtclock_get(&tv)); } + +struct timeval* pa_rtclock_from_wallclock(struct timeval *tv) { + +#ifdef HAVE_CLOCK_GETTIME + struct timeval wc_now, rt_now; + + pa_gettimeofday(&wc_now); + pa_rtclock_get(&rt_now); + + pa_assert(tv); + + if (pa_timeval_cmp(&wc_now, tv) < 0) + pa_timeval_add(&rt_now, pa_timeval_diff(tv, &wc_now)); + else + pa_timeval_sub(&rt_now, pa_timeval_diff(&wc_now, tv)); + + *tv = rt_now; +#endif + + return tv; +} diff --git a/src/pulsecore/rtclock.h b/src/pulsecore/rtclock.h index f0360af3..f68ad761 100644 --- a/src/pulsecore/rtclock.h +++ b/src/pulsecore/rtclock.h @@ -40,4 +40,6 @@ pa_bool_t pa_rtclock_hrtimer(void); /* timer with a resolution better than this are considered high-resolution */ #define PA_HRTIMER_THRESHOLD_USEC 10 +struct timeval* pa_rtclock_from_wallclock(struct timeval *tv); + #endif diff --git a/src/pulsecore/rtpoll.c b/src/pulsecore/rtpoll.c index 83008266..64fa42ad 100644 --- a/src/pulsecore/rtpoll.c +++ b/src/pulsecore/rtpoll.c @@ -63,7 +63,6 @@ struct pa_rtpoll { pa_bool_t timer_enabled; struct timeval next_elapse; - pa_usec_t period; pa_bool_t scan_for_dead; pa_bool_t running, installed, rebuild_needed, quit; @@ -72,6 +71,7 @@ struct pa_rtpoll { int rtsig; sigset_t sigset_unblocked; timer_t timer; + pa_bool_t timer_armed; #ifdef __linux__ pa_bool_t dont_use_ppoll; #endif @@ -99,7 +99,7 @@ struct pa_rtpoll_item { PA_STATIC_FLIST_DECLARE(items, 0, pa_xfree); -static void signal_handler_noop(int s) { } +static void signal_handler_noop(int s) { /* write(2, "signal\n", 7); */ } pa_rtpoll *pa_rtpoll_new(void) { pa_rtpoll *p; @@ -131,6 +131,7 @@ pa_rtpoll *pa_rtpoll_new(void) { p->rtsig = -1; sigemptyset(&p->sigset_unblocked); p->timer = (timer_t) -1; + p->timer_armed = FALSE; #endif @@ -139,7 +140,6 @@ pa_rtpoll *pa_rtpoll_new(void) { p->pollfd2 = pa_xnew(struct pollfd, p->n_pollfd_alloc); p->n_pollfd_used = 0; - p->period = 0; memset(&p->next_elapse, 0, sizeof(p->next_elapse)); p->timer_enabled = FALSE; @@ -368,15 +368,13 @@ int pa_rtpoll_run(pa_rtpoll *p, pa_bool_t wait) { if (p->rebuild_needed) rtpoll_rebuild(p); + memset(&timeout, 0, sizeof(timeout)); + /* Calculate timeout */ - if (!wait || p->quit) { - timeout.tv_sec = 0; - timeout.tv_usec = 0; - } else if (p->timer_enabled) { + if (wait && !p->quit && p->timer_enabled) { struct timeval now; pa_rtclock_get(&now); - memset(&timeout, 0, sizeof(timeout)); if (pa_timeval_cmp(&p->next_elapse, &now) > 0) pa_timeval_add(&timeout, pa_timeval_diff(&p->next_elapse, &now)); } @@ -391,14 +389,14 @@ int pa_rtpoll_run(pa_rtpoll *p, pa_bool_t wait) { struct timespec ts; ts.tv_sec = timeout.tv_sec; ts.tv_nsec = timeout.tv_usec * 1000; - r = ppoll(p->pollfd, p->n_pollfd_used, p->timer_enabled ? &ts : NULL, p->rtsig < 0 ? NULL : &p->sigset_unblocked); + r = ppoll(p->pollfd, p->n_pollfd_used, (!wait || p->quit || p->timer_enabled) ? &ts : NULL, p->rtsig < 0 ? NULL : &p->sigset_unblocked); } #ifdef __linux__ else #endif #endif - r = poll(p->pollfd, p->n_pollfd_used, p->timer_enabled ? (timeout.tv_sec*1000) + (timeout.tv_usec / 1000) : -1); + r = poll(p->pollfd, p->n_pollfd_used, (!wait || p->quit || p->timer_enabled) ? (timeout.tv_sec*1000) + (timeout.tv_usec / 1000) : -1); if (r < 0) { if (errno == EAGAIN || errno == EINTR) @@ -409,21 +407,6 @@ int pa_rtpoll_run(pa_rtpoll *p, pa_bool_t wait) { reset_all_revents(p); } - if (p->timer_enabled) { - if (p->period > 0) { - struct timeval now; - pa_rtclock_get(&now); - - pa_timeval_add(&p->next_elapse, p->period); - - /* Guarantee that the next timeout will happen in the future */ - if (pa_timeval_cmp(&p->next_elapse, &now) < 0) - pa_timeval_add(&p->next_elapse, (pa_timeval_diff(&now, &p->next_elapse) / p->period + 1) * p->period); - - } else - p->timer_enabled = FALSE; - } - /* Let's tell everyone that we left the sleep */ for (i = p->items; i && i->priority < PA_RTPOLL_NEVER; i = i->next) { @@ -481,26 +464,35 @@ static void update_timer(pa_rtpoll *p) { if (p->timer != (timer_t) -1) { struct itimerspec its; - memset(&its, 0, sizeof(its)); + struct timespec ts = { .tv_sec = 0, .tv_nsec = 0 }; + sigset_t ss; + + if (p->timer_armed) { + /* First disarm timer */ + memset(&its, 0, sizeof(its)); + pa_assert_se(timer_settime(p->timer, TIMER_ABSTIME, &its, NULL) == 0); + + /* Remove a signal that might be waiting in the signal q */ + pa_assert_se(sigemptyset(&ss) == 0); + pa_assert_se(sigaddset(&ss, p->rtsig) == 0); + sigtimedwait(&ss, NULL, &ts); + } + /* And install the new timer */ if (p->timer_enabled) { + memset(&its, 0, sizeof(its)); + its.it_value.tv_sec = p->next_elapse.tv_sec; its.it_value.tv_nsec = p->next_elapse.tv_usec*1000; /* Make sure that 0,0 is not understood as * "disarming" */ - if (its.it_value.tv_sec == 0) + if (its.it_value.tv_sec == 0 && its.it_value.tv_nsec == 0) its.it_value.tv_nsec = 1; - - if (p->period > 0) { - struct timeval tv; - pa_timeval_store(&tv, p->period); - its.it_interval.tv_sec = tv.tv_sec; - its.it_interval.tv_nsec = tv.tv_usec*1000; - } + pa_assert_se(timer_settime(p->timer, TIMER_ABSTIME, &its, NULL) == 0); } - pa_assert_se(timer_settime(p->timer, TIMER_ABSTIME, &its, NULL) == 0); + p->timer_armed = p->timer_enabled; } #ifdef __linux__ @@ -510,23 +502,10 @@ static void update_timer(pa_rtpoll *p) { #endif } -void pa_rtpoll_set_timer_absolute(pa_rtpoll *p, const struct timeval *ts) { - pa_assert(p); - pa_assert(ts); - - p->next_elapse = *ts; - p->period = 0; - p->timer_enabled = TRUE; - - update_timer(p); -} - -void pa_rtpoll_set_timer_periodic(pa_rtpoll *p, pa_usec_t usec) { +void pa_rtpoll_set_timer_absolute(pa_rtpoll *p, pa_usec_t usec) { pa_assert(p); - p->period = usec; - pa_rtclock_get(&p->next_elapse); - pa_timeval_add(&p->next_elapse, usec); + pa_timeval_store(&p->next_elapse, usec); p->timer_enabled = TRUE; update_timer(p); @@ -535,7 +514,6 @@ void pa_rtpoll_set_timer_periodic(pa_rtpoll *p, pa_usec_t usec) { void pa_rtpoll_set_timer_relative(pa_rtpoll *p, pa_usec_t usec) { pa_assert(p); - p->period = 0; pa_rtclock_get(&p->next_elapse); pa_timeval_add(&p->next_elapse, usec); p->timer_enabled = TRUE; @@ -546,7 +524,6 @@ void pa_rtpoll_set_timer_relative(pa_rtpoll *p, pa_usec_t usec) { void pa_rtpoll_set_timer_disabled(pa_rtpoll *p) { pa_assert(p); - p->period = 0; memset(&p->next_elapse, 0, sizeof(p->next_elapse)); p->timer_enabled = FALSE; @@ -683,23 +660,23 @@ pa_rtpoll_item *pa_rtpoll_item_new_fdsem(pa_rtpoll *p, pa_rtpoll_priority_t prio return i; } -static int asyncmsgq_before(pa_rtpoll_item *i) { +static int asyncmsgq_read_before(pa_rtpoll_item *i) { pa_assert(i); - if (pa_asyncmsgq_before_poll(i->userdata) < 0) + if (pa_asyncmsgq_read_before_poll(i->userdata) < 0) return 1; /* 1 means immediate restart of the loop */ return 0; } -static void asyncmsgq_after(pa_rtpoll_item *i) { +static void asyncmsgq_read_after(pa_rtpoll_item *i) { pa_assert(i); pa_assert((i->pollfd[0].revents & ~POLLIN) == 0); - pa_asyncmsgq_after_poll(i->userdata); + pa_asyncmsgq_read_after_poll(i->userdata); } -static int asyncmsgq_work(pa_rtpoll_item *i) { +static int asyncmsgq_read_work(pa_rtpoll_item *i) { pa_msgobject *object; int code; void *data; @@ -725,7 +702,7 @@ static int asyncmsgq_work(pa_rtpoll_item *i) { return 0; } -pa_rtpoll_item *pa_rtpoll_item_new_asyncmsgq(pa_rtpoll *p, pa_rtpoll_priority_t prio, pa_asyncmsgq *q) { +pa_rtpoll_item *pa_rtpoll_item_new_asyncmsgq_read(pa_rtpoll *p, pa_rtpoll_priority_t prio, pa_asyncmsgq *q) { pa_rtpoll_item *i; struct pollfd *pollfd; @@ -735,12 +712,47 @@ pa_rtpoll_item *pa_rtpoll_item_new_asyncmsgq(pa_rtpoll *p, pa_rtpoll_priority_t i = pa_rtpoll_item_new(p, prio, 1); pollfd = pa_rtpoll_item_get_pollfd(i, NULL); - pollfd->fd = pa_asyncmsgq_get_fd(q); + pollfd->fd = pa_asyncmsgq_read_fd(q); pollfd->events = POLLIN; - i->before_cb = asyncmsgq_before; - i->after_cb = asyncmsgq_after; - i->work_cb = asyncmsgq_work; + i->before_cb = asyncmsgq_read_before; + i->after_cb = asyncmsgq_read_after; + i->work_cb = asyncmsgq_read_work; + i->userdata = q; + + return i; +} + +static int asyncmsgq_write_before(pa_rtpoll_item *i) { + pa_assert(i); + + pa_asyncmsgq_write_before_poll(i->userdata); + return 0; +} + +static void asyncmsgq_write_after(pa_rtpoll_item *i) { + pa_assert(i); + + pa_assert((i->pollfd[0].revents & ~POLLIN) == 0); + pa_asyncmsgq_write_after_poll(i->userdata); +} + +pa_rtpoll_item *pa_rtpoll_item_new_asyncmsgq_write(pa_rtpoll *p, pa_rtpoll_priority_t prio, pa_asyncmsgq *q) { + pa_rtpoll_item *i; + struct pollfd *pollfd; + + pa_assert(p); + pa_assert(q); + + i = pa_rtpoll_item_new(p, prio, 1); + + pollfd = pa_rtpoll_item_get_pollfd(i, NULL); + pollfd->fd = pa_asyncmsgq_write_fd(q); + pollfd->events = POLLIN; + + i->before_cb = asyncmsgq_write_before; + i->after_cb = asyncmsgq_write_after; + i->work_cb = NULL; i->userdata = q; return i; diff --git a/src/pulsecore/rtpoll.h b/src/pulsecore/rtpoll.h index 02f5c7c2..16dadbc3 100644 --- a/src/pulsecore/rtpoll.h +++ b/src/pulsecore/rtpoll.h @@ -74,8 +74,7 @@ void pa_rtpoll_install(pa_rtpoll *p); * cleanly. */ int pa_rtpoll_run(pa_rtpoll *f, pa_bool_t wait); -void pa_rtpoll_set_timer_absolute(pa_rtpoll *p, const struct timeval *ts); -void pa_rtpoll_set_timer_periodic(pa_rtpoll *p, pa_usec_t usec); +void pa_rtpoll_set_timer_absolute(pa_rtpoll *p, pa_usec_t usec); void pa_rtpoll_set_timer_relative(pa_rtpoll *p, pa_usec_t usec); void pa_rtpoll_set_timer_disabled(pa_rtpoll *p); @@ -107,7 +106,8 @@ void pa_rtpoll_item_set_userdata(pa_rtpoll_item *i, void *userdata); void* pa_rtpoll_item_get_userdata(pa_rtpoll_item *i); pa_rtpoll_item *pa_rtpoll_item_new_fdsem(pa_rtpoll *p, pa_rtpoll_priority_t prio, pa_fdsem *s); -pa_rtpoll_item *pa_rtpoll_item_new_asyncmsgq(pa_rtpoll *p, pa_rtpoll_priority_t prio, pa_asyncmsgq *q); +pa_rtpoll_item *pa_rtpoll_item_new_asyncmsgq_read(pa_rtpoll *p, pa_rtpoll_priority_t prio, pa_asyncmsgq *q); +pa_rtpoll_item *pa_rtpoll_item_new_asyncmsgq_write(pa_rtpoll *p, pa_rtpoll_priority_t prio, pa_asyncmsgq *q); /* Requests the loop to exit. Will cause the next iteration of * pa_rtpoll_run() to return 0 */ diff --git a/src/pulsecore/sample-util.c b/src/pulsecore/sample-util.c index 4ea5d446..a8028296 100644 --- a/src/pulsecore/sample-util.c +++ b/src/pulsecore/sample-util.c @@ -42,29 +42,6 @@ #define PA_SILENCE_MAX (PA_PAGE_SIZE*16) -pa_memblock *pa_silence_memblock_new(pa_mempool *pool, const pa_sample_spec *spec, size_t length) { - size_t fs; - pa_assert(pool); - pa_assert(spec); - - if (length <= 0) - length = pa_bytes_per_second(spec)/20; /* 50 ms */ - - if (length > PA_SILENCE_MAX) - length = PA_SILENCE_MAX; - - fs = pa_frame_size(spec); - - length = (length+fs-1)/fs; - - if (length <= 0) - length = 1; - - length *= fs; - - return pa_silence_memblock(pa_memblock_new(pool, length), spec); -} - pa_memblock *pa_silence_memblock(pa_memblock* b, const pa_sample_spec *spec) { void *data; @@ -74,10 +51,11 @@ pa_memblock *pa_silence_memblock(pa_memblock* b, const pa_sample_spec *spec) { data = pa_memblock_acquire(b); pa_silence_memory(data, pa_memblock_get_length(b), spec); pa_memblock_release(b); + return b; } -void pa_silence_memchunk(pa_memchunk *c, const pa_sample_spec *spec) { +pa_memchunk* pa_silence_memchunk(pa_memchunk *c, const pa_sample_spec *spec) { void *data; pa_assert(c); @@ -87,37 +65,38 @@ void pa_silence_memchunk(pa_memchunk *c, const pa_sample_spec *spec) { data = pa_memblock_acquire(c->memblock); pa_silence_memory((uint8_t*) data+c->index, c->length, spec); pa_memblock_release(c->memblock); -} -void pa_silence_memory(void *p, size_t length, const pa_sample_spec *spec) { - uint8_t c = 0; - pa_assert(p); - pa_assert(length > 0); - pa_assert(spec); + return c; +} - switch (spec->format) { +static uint8_t silence_byte(pa_sample_format_t format) { + switch (format) { case PA_SAMPLE_U8: - c = 0x80; - break; + return 0x80; case PA_SAMPLE_S16LE: case PA_SAMPLE_S16BE: case PA_SAMPLE_S32LE: case PA_SAMPLE_S32BE: - case PA_SAMPLE_FLOAT32: - case PA_SAMPLE_FLOAT32RE: - c = 0; - break; + case PA_SAMPLE_FLOAT32LE: + case PA_SAMPLE_FLOAT32BE: + return 0; case PA_SAMPLE_ALAW: - c = 0xd5; - break; + return 0xd5; case PA_SAMPLE_ULAW: - c = 0xff; - break; + return 0xff; default: pa_assert_not_reached(); } + return 0; +} - memset(p, c, length); +void* pa_silence_memory(void *p, size_t length, const pa_sample_spec *spec) { + pa_assert(p); + pa_assert(length > 0); + pa_assert(spec); + + memset(p, silence_byte(spec->format), length); + return p; } static void calc_linear_integer_stream_volumes(pa_mix_info streams[], unsigned nstreams, const pa_sample_spec *spec) { @@ -631,6 +610,9 @@ void pa_volume_memchunk( pa_assert(c->length % pa_frame_size(spec) == 0); pa_assert(volume); + if (pa_memblock_is_silence(c->memblock)) + return; + if (pa_cvolume_channels_equal_to(volume, PA_VOLUME_NORM)) return; @@ -931,3 +913,117 @@ void pa_deinterleave(const void *src, void *dst[], unsigned channels, size_t ss, } } } + +static pa_memblock *silence_memblock_new(pa_mempool *pool, uint8_t c) { + pa_memblock *b; + size_t length; + void *data; + + pa_assert(pool); + + length = PA_MIN(pa_mempool_block_size_max(pool), PA_SILENCE_MAX); + + b = pa_memblock_new(pool, length); + + data = pa_memblock_acquire(b); + memset(data, c, length); + pa_memblock_release(b); + + pa_memblock_set_is_silence(b, TRUE); + + return b; +} + +void pa_silence_cache_init(pa_silence_cache *cache) { + pa_assert(cache); + + memset(cache, 0, sizeof(pa_silence_cache)); +} + +void pa_silence_cache_done(pa_silence_cache *cache) { + pa_sample_format_t f; + pa_assert(cache); + + for (f = 0; f < PA_SAMPLE_MAX; f++) + if (cache->blocks[f]) + pa_memblock_unref(cache->blocks[f]); + + memset(cache, 0, sizeof(pa_silence_cache)); +} + +pa_memchunk* pa_silence_memchunk_get(pa_silence_cache *cache, pa_mempool *pool, pa_memchunk* ret, const pa_sample_spec *spec, size_t length) { + pa_memblock *b; + size_t l; + + pa_assert(cache); + pa_assert(pa_sample_spec_valid(spec)); + + if (!(b = cache->blocks[spec->format])) + + switch (spec->format) { + case PA_SAMPLE_U8: + cache->blocks[PA_SAMPLE_U8] = b = silence_memblock_new(pool, 0x80); + break; + case PA_SAMPLE_S16LE: + case PA_SAMPLE_S16BE: + case PA_SAMPLE_S32LE: + case PA_SAMPLE_S32BE: + case PA_SAMPLE_FLOAT32LE: + case PA_SAMPLE_FLOAT32BE: + cache->blocks[PA_SAMPLE_S16LE] = b = silence_memblock_new(pool, 0); + cache->blocks[PA_SAMPLE_S16BE] = pa_memblock_ref(b); + cache->blocks[PA_SAMPLE_S32LE] = pa_memblock_ref(b); + cache->blocks[PA_SAMPLE_S32BE] = pa_memblock_ref(b); + cache->blocks[PA_SAMPLE_FLOAT32LE] = pa_memblock_ref(b); + cache->blocks[PA_SAMPLE_FLOAT32BE] = pa_memblock_ref(b); + break; + case PA_SAMPLE_ALAW: + cache->blocks[PA_SAMPLE_ALAW] = b = silence_memblock_new(pool, 0xd5); + break; + case PA_SAMPLE_ULAW: + cache->blocks[PA_SAMPLE_ULAW] = b = silence_memblock_new(pool, 0xff); + break; + default: + pa_assert_not_reached(); + } + + pa_assert(b); + + ret->memblock = pa_memblock_ref(b); + + l = pa_memblock_get_length(b); + if (length > l || length == 0) + length = l; + + ret->length = pa_frame_align(length, spec); + ret->index = 0; + + return ret; +} + +void pa_sample_clamp(pa_sample_format_t format, void *dst, size_t dstr, const void *src, size_t sstr, unsigned n) { + const float *s; + float *d; + + s = src; d = dst; + + if (format == PA_SAMPLE_FLOAT32NE) { + + float minus_one = -1.0, plus_one = 1.0; + oil_clip_f32(d, dstr, s, sstr, n, &minus_one, &plus_one); + + } else { + pa_assert(format == PA_SAMPLE_FLOAT32RE); + + for (; n > 0; n--) { + float f; + + f = PA_FLOAT32_SWAP(*s); + f = PA_CLAMP_UNLIKELY(f, -1.0, 1.0); + *d = PA_FLOAT32_SWAP(f); + + s = (const float*) ((const uint8_t*) s + sstr); + d = (float*) ((uint8_t*) d + dstr); + } + } +} diff --git a/src/pulsecore/sample-util.h b/src/pulsecore/sample-util.h index 2ef8f924..59b4c632 100644 --- a/src/pulsecore/sample-util.h +++ b/src/pulsecore/sample-util.h @@ -30,10 +30,18 @@ #include #include -pa_memblock *pa_silence_memblock(pa_memblock* b, const pa_sample_spec *spec); -pa_memblock *pa_silence_memblock_new(pa_mempool *pool, const pa_sample_spec *spec, size_t length); -void pa_silence_memchunk(pa_memchunk *c, const pa_sample_spec *spec); -void pa_silence_memory(void *p, size_t length, const pa_sample_spec *spec); +typedef struct pa_silence_cache { + pa_memblock* blocks[PA_SAMPLE_MAX]; +} pa_silence_cache; + +void pa_silence_cache_init(pa_silence_cache *cache); +void pa_silence_cache_done(pa_silence_cache *cache); + +void *pa_silence_memory(void *p, size_t length, const pa_sample_spec *spec); +pa_memchunk* pa_silence_memchunk(pa_memchunk *c, const pa_sample_spec *spec); +pa_memblock* pa_silence_memblock(pa_memblock *b, const pa_sample_spec *spec); + +pa_memchunk* pa_silence_memchunk_get(pa_silence_cache *cache, pa_mempool *pool, pa_memchunk* ret, const pa_sample_spec *spec, size_t length); typedef struct pa_mix_info { pa_memchunk chunk; @@ -70,4 +78,6 @@ int pa_frame_aligned(size_t l, const pa_sample_spec *ss) PA_GCC_PURE; void pa_interleave(const void *src[], unsigned channels, void *dst, size_t ss, unsigned n); void pa_deinterleave(const void *src, void *dst[], unsigned channels, size_t ss, unsigned n); +void pa_sample_clamp(pa_sample_format_t format, void *dst, size_t dstr, const void *src, size_t sstr, unsigned n); + #endif diff --git a/src/pulsecore/shm.c b/src/pulsecore/shm.c index 7c764e3a..a6843819 100644 --- a/src/pulsecore/shm.c +++ b/src/pulsecore/shm.c @@ -42,6 +42,7 @@ #endif #include +#include #include #include @@ -56,7 +57,7 @@ #define MADV_REMOVE 9 #endif -#define MAX_SHM_SIZE (PA_ALIGN(1024*1024*20)) +#define MAX_SHM_SIZE (PA_ALIGN(1024*1024*64)) #ifdef __linux__ /* On Linux we know that the shared memory blocks are files in @@ -69,14 +70,15 @@ #define SHM_MARKER ((int) 0xbeefcafe) -/* We now put this SHM marker at the end of each segment. It's optional to not require a reboot when upgrading, though */ -struct shm_marker { +/* We now put this SHM marker at the end of each segment. It's + * optional, to not require a reboot when upgrading, though */ +struct shm_marker PA_GCC_PACKED { pa_atomic_t marker; /* 0xbeefcafe */ pa_atomic_t pid; - void *_reserverd1; - void *_reserverd2; - void *_reserverd3; - void *_reserverd4; + uint64_t *_reserverd1; + uint64_t *_reserverd2; + uint64_t *_reserverd3; + uint64_t *_reserverd4; }; static char *segment_name(char *fn, size_t l, unsigned id) { @@ -84,13 +86,13 @@ static char *segment_name(char *fn, size_t l, unsigned id) { return fn; } -int pa_shm_create_rw(pa_shm *m, size_t size, int shared, mode_t mode) { +int pa_shm_create_rw(pa_shm *m, size_t size, pa_bool_t shared, mode_t mode) { char fn[32]; int fd = -1; pa_assert(m); pa_assert(size > 0); - pa_assert(size < MAX_SHM_SIZE); + pa_assert(size <= MAX_SHM_SIZE); pa_assert(mode >= 0600); /* Each time we create a new SHM area, let's first drop all stale @@ -122,7 +124,7 @@ int pa_shm_create_rw(pa_shm *m, size_t size, int shared, mode_t mode) { m->ptr = pa_xmalloc(m->size); #endif - m->do_unlink = 0; + m->do_unlink = FALSE; } else { #ifdef HAVE_SHM_OPEN @@ -155,7 +157,7 @@ int pa_shm_create_rw(pa_shm *m, size_t size, int shared, mode_t mode) { pa_atomic_store(&marker->marker, SHM_MARKER); pa_assert_se(close(fd) == 0); - m->do_unlink = 1; + m->do_unlink = TRUE; #else return -1; #endif @@ -282,7 +284,9 @@ int pa_shm_attach_ro(pa_shm *m, unsigned id) { goto fail; } - if (st.st_size <= 0 || st.st_size > MAX_SHM_SIZE+PA_ALIGN(sizeof(struct shm_marker)) || PA_ALIGN(st.st_size) != st.st_size) { + if (st.st_size <= 0 || + st.st_size > (off_t) (MAX_SHM_SIZE+PA_ALIGN(sizeof(struct shm_marker))) || + PA_ALIGN((size_t) st.st_size) != (size_t) st.st_size) { pa_log("Invalid shared memory segment size"); goto fail; } @@ -371,7 +375,7 @@ int pa_shm_cleanup(void) { /* Ok, the owner of this shms segment is dead, so, let's remove the segment */ segment_name(fn, sizeof(fn), id); - if (shm_unlink(fn) < 0 && errno != EACCES) + if (shm_unlink(fn) < 0 && errno != EACCES && errno != ENOENT) pa_log_warn("Failed to remove SHM segment %s: %s\n", fn, pa_cstrerror(errno)); } diff --git a/src/pulsecore/shm.h b/src/pulsecore/shm.h index 270591de..60bc355f 100644 --- a/src/pulsecore/shm.h +++ b/src/pulsecore/shm.h @@ -26,15 +26,17 @@ #include +#include + typedef struct pa_shm { unsigned id; void *ptr; size_t size; - int do_unlink; - int shared; + pa_bool_t do_unlink:1; + pa_bool_t shared:1; } pa_shm; -int pa_shm_create_rw(pa_shm *m, size_t size, int shared, mode_t mode); +int pa_shm_create_rw(pa_shm *m, size_t size, pa_bool_t shared, mode_t mode); int pa_shm_attach_ro(pa_shm *m, unsigned id); void pa_shm_punch(pa_shm *m, size_t offset, size_t size); diff --git a/src/pulsecore/shmasyncq.c b/src/pulsecore/shmasyncq.c new file mode 100644 index 00000000..7af2985c --- /dev/null +++ b/src/pulsecore/shmasyncq.c @@ -0,0 +1,222 @@ +/* $Id$ */ + +/*** + This file is part of PulseAudio. + + Copyright 2006 Lennart Poettering + + PulseAudio is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + PulseAudio is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with PulseAudio; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + USA. +***/ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include + +#include +#include +#include +#include +#include +#include + +#include "fdsem.h" + +/* For debugging purposes we can define _Y to put and extra thread + * yield between each operation. */ + +/* #define PROFILE */ + +#ifdef PROFILE +#define _Y pa_thread_yield() +#else +#define _Y do { } while(0) +#endif + + +struct pa_shmasyncq { + pa_fdsem *read_fdsem, *write_fdsem; + pa_shmasyncq_data *data; +}; + +static int is_power_of_two(unsigned size) { + return !(size & (size - 1)); +} + +static int reduce(pa_shmasyncq *l, int value) { + return value & (unsigned) (l->n_elements - 1); +} + +static pa_atomic_t* get_cell(pa_shmasyncq *l, unsigned i) { + pa_assert(i < l->data->n_elements); + + return (pa_atomic_t*) ((uint8*t) l->data + PA_ALIGN(sizeof(pa_shmasyncq_data)) + i * (PA_ALIGN(sizeof(pa_atomic_t)) + PA_ALIGN(element_size))) +} + +static void *get_cell_data(pa_atomic_t *a) { + return (uint8_t*) a + PA_ALIGN(sizeof(atomic_t)); +} + +pa_shmasyncq *pa_shmasyncq_new(unsigned n_elements, size_t element_size, void *data, int fd[2]) { + pa_shmasyncq *l; + + pa_assert(n_elements > 0); + pa_assert(is_power_of_two(n_elements)); + pa_assert(element_size > 0); + pa_assert(data); + pa_assert(fd); + + l = pa_xnew(pa_shmasyncq, 1); + + l->data = data; + memset(data, 0, PA_SHMASYNCQ_SIZE(n_elements, element_size)); + + l->data->n_elements = n_elements; + l->data->element_size = element_size; + + if (!(l->read_fdsem = pa_fdsem_new_shm(&d->read_fdsem_data, &fd[0]))) { + pa_xfree(l); + return NULL; + } + + if (!(l->write_fdsem = pa_fdsem_new(&d->write_fdsem_data, &fd[1]))) { + pa_fdsem_free(l->read_fdsem); + pa_xfree(l); + return NULL; + } + + return l; +} + +void pa_shmasyncq_free(pa_shmasyncq *l, pa_free_cb_t free_cb) { + pa_assert(l); + + if (free_cb) { + void *p; + + while ((p = pa_shmasyncq_pop(l, 0))) + free_cb(p); + } + + pa_fdsem_free(l->read_fdsem); + pa_fdsem_free(l->write_fdsem); + pa_xfree(l); +} + +int pa_shmasyncq_push(pa_shmasyncq*l, void *p, int wait) { + int idx; + pa_atomic_ptr_t *cells; + + pa_assert(l); + pa_assert(p); + + cells = PA_SHMASYNCQ_CELLS(l); + + _Y; + idx = reduce(l, l->write_idx); + + if (!pa_atomic_ptr_cmpxchg(&cells[idx], NULL, p)) { + + if (!wait) + return -1; + +/* pa_log("sleeping on push"); */ + + do { + pa_fdsem_wait(l->read_fdsem); + } while (!pa_atomic_ptr_cmpxchg(&cells[idx], NULL, p)); + } + + _Y; + l->write_idx++; + + pa_fdsem_post(l->write_fdsem); + + return 0; +} + +void* pa_shmasyncq_pop(pa_shmasyncq*l, int wait) { + int idx; + void *ret; + pa_atomic_ptr_t *cells; + + pa_assert(l); + + cells = PA_SHMASYNCQ_CELLS(l); + + _Y; + idx = reduce(l, l->read_idx); + + if (!(ret = pa_atomic_ptr_load(&cells[idx]))) { + + if (!wait) + return NULL; + +/* pa_log("sleeping on pop"); */ + + do { + pa_fdsem_wait(l->write_fdsem); + } while (!(ret = pa_atomic_ptr_load(&cells[idx]))); + } + + pa_assert(ret); + + /* Guaranteed to succeed if we only have a single reader */ + pa_assert_se(pa_atomic_ptr_cmpxchg(&cells[idx], ret, NULL)); + + _Y; + l->read_idx++; + + pa_fdsem_post(l->read_fdsem); + + return ret; +} + +int pa_shmasyncq_get_fd(pa_shmasyncq *q) { + pa_assert(q); + + return pa_fdsem_get(q->write_fdsem); +} + +int pa_shmasyncq_before_poll(pa_shmasyncq *l) { + int idx; + pa_atomic_ptr_t *cells; + + pa_assert(l); + + cells = PA_SHMASYNCQ_CELLS(l); + + _Y; + idx = reduce(l, l->read_idx); + + for (;;) { + if (pa_atomic_ptr_load(&cells[idx])) + return -1; + + if (pa_fdsem_before_poll(l->write_fdsem) >= 0) + return 0; + } + + return 0; +} + +void pa_shmasyncq_after_poll(pa_shmasyncq *l) { + pa_assert(l); + + pa_fdsem_after_poll(l->write_fdsem); +} diff --git a/src/pulsecore/shmasyncq.h b/src/pulsecore/shmasyncq.h new file mode 100644 index 00000000..ca35ffd2 --- /dev/null +++ b/src/pulsecore/shmasyncq.h @@ -0,0 +1,62 @@ +#ifndef foopulseshmasyncqhfoo +#define foopulseshmasyncqhfoo + +/* $Id$ */ + +/*** + This file is part of PulseAudio. + + Copyright 2004-2006 Lennart Poettering + + PulseAudio is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + PulseAudio is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with PulseAudio; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + USA. +***/ + +#include + +#include +#include + +/* Similar to pa_asyncq, but stores data in a shared memory segment */ + + +struct pa_shmasyncq_data { + unsigned n_elements; + size_t element_size; + unsigned read_idx; + unsigned write_idx; + pa_fdsem_data read_fdsem_data, write_fdsem_data; +}; + +#define PA_SHMASYNCQ_DEFAULT_N_ELEMENTS 128 +#define PA_SHMASYNCQ_SIZE(n_elements, element_size) (PA_ALIGN(sizeof(pa_shmasyncq_data)) + (((n_elements) * (PA_ALIGN(sizeof(pa_atomic_t)) + PA_ALIGN(element_size))))) +#define PA_SHMASYNCQ_DEFAULT_SIZE(element_size) PA_SHMASYNCQ_SIZE(PA_SHMASYNCQ_DEFAULT_N_ELEMENTS, element_size) + +typedef struct pa_shmasyncq pa_shmasyncq; + +pa_shmasyncq *pa_shmasyncq_new(unsigned n_elements, size_t element_size, void *data, int fd[2]); +void pa_shmasyncq_free(pa_shmasyncq* q, pa_free_cb_t free_cb); + +void* pa_shmasyncq_pop_begin(pa_shmasyncq *q, pa_bool_t wait); +void pa_shmasyncq_pop_commit(pa_shmasyncq *q); + +int* pa_shmasyncq_push_begin(pa_shmasyncq *q, pa_bool_t wait); +void pa_shmasyncq_push_commit(pa_shmasyncq *q); + +int pa_shmasyncq_get_fd(pa_shmasyncq *q); +int pa_shmasyncq_before_poll(pa_shmasyncq *a); +void pa_shmasyncq_after_poll(pa_shmasyncq *a); + +#endif diff --git a/src/pulsecore/sink-input.c b/src/pulsecore/sink-input.c index 07ddb83a..d51ff810 100644 --- a/src/pulsecore/sink-input.c +++ b/src/pulsecore/sink-input.c @@ -38,11 +38,12 @@ #include #include #include +#include #include "sink-input.h" +#define MEMBLOCKQ_MAXLENGTH (32*1024*1024) #define CONVERT_BUFFER_LENGTH (PA_PAGE_SIZE) -#define SILENCE_BUFFER_LENGTH (PA_PAGE_SIZE*12) #define MOVE_BUFFER_LENGTH (PA_PAGE_SIZE*256) static PA_DEFINE_CHECK_TYPE(pa_sink_input, pa_msgobject); @@ -54,10 +55,18 @@ pa_sink_input_new_data* pa_sink_input_new_data_init(pa_sink_input_new_data *data memset(data, 0, sizeof(*data)); data->resample_method = PA_RESAMPLER_INVALID; + data->proplist = pa_proplist_new(); return data; } +void pa_sink_input_new_data_set_sample_spec(pa_sink_input_new_data *data, const pa_sample_spec *spec) { + pa_assert(data); + + if ((data->sample_spec_is_set = !!spec)) + data->sample_spec = *spec; +} + void pa_sink_input_new_data_set_channel_map(pa_sink_input_new_data *data, const pa_channel_map *map) { pa_assert(data); @@ -72,18 +81,32 @@ void pa_sink_input_new_data_set_volume(pa_sink_input_new_data *data, const pa_cv data->volume = *volume; } -void pa_sink_input_new_data_set_sample_spec(pa_sink_input_new_data *data, const pa_sample_spec *spec) { +void pa_sink_input_new_data_set_muted(pa_sink_input_new_data *data, pa_bool_t mute) { pa_assert(data); - if ((data->sample_spec_is_set = !!spec)) - data->sample_spec = *spec; + data->muted_is_set = TRUE; + data->muted = !!mute; } -void pa_sink_input_new_data_set_muted(pa_sink_input_new_data *data, pa_bool_t mute) { +void pa_sink_input_new_data_done(pa_sink_input_new_data *data) { pa_assert(data); - data->muted_is_set = TRUE; - data->muted = !!mute; + pa_proplist_free(data->proplist); +} + +static void reset_callbacks(pa_sink_input *i) { + pa_assert(i); + + i->pop = NULL; + i->process_rewind = NULL; + i->update_max_rewind = NULL; + i->attach = NULL; + i->detach = NULL; + i->suspend = NULL; + i->moved = NULL; + i->kill = NULL; + i->get_latency = NULL; + i->state_change = NULL; } pa_sink_input* pa_sink_input_new( @@ -102,7 +125,6 @@ pa_sink_input* pa_sink_input_new( return NULL; pa_return_null_if_fail(!data->driver || pa_utf8_valid(data->driver)); - pa_return_null_if_fail(!data->name || pa_utf8_valid(data->name)); if (!data->sink) data->sink = pa_namereg_get(core, NULL, PA_NAMEREG_SINK, 1); @@ -132,6 +154,9 @@ pa_sink_input* pa_sink_input_new( pa_return_null_if_fail(pa_cvolume_valid(&data->volume)); pa_return_null_if_fail(data->volume.channels == data->sample_spec.channels); + if (!data->muted_is_set) + data->muted = FALSE; + if (flags & PA_SINK_INPUT_FIX_FORMAT) data->sample_spec.format = data->sink->sample_spec.format; @@ -150,9 +175,6 @@ pa_sink_input* pa_sink_input_new( if (data->volume.channels != data->sample_spec.channels) pa_cvolume_set(&data->volume, data->sample_spec.channels, pa_cvolume_avg(&data->volume)); - if (!data->muted_is_set) - data->muted = 0; - if (data->resample_method == PA_RESAMPLER_INVALID) data->resample_method = core->resample_method; @@ -192,7 +214,7 @@ pa_sink_input* pa_sink_input_new( i->core = core; i->state = PA_SINK_INPUT_INIT; i->flags = flags; - i->name = pa_xstrdup(data->name); + i->proplist = pa_proplist_copy(data->proplist); i->driver = pa_xstrdup(data->driver); i->module = data->module; i->sink = data->sink; @@ -215,33 +237,38 @@ pa_sink_input* pa_sink_input_new( } else i->sync_next = i->sync_prev = NULL; - i->peek = NULL; - i->drop = NULL; - i->kill = NULL; - i->get_latency = NULL; - i->attach = NULL; - i->detach = NULL; - i->suspend = NULL; - i->moved = NULL; + reset_callbacks(i); i->userdata = NULL; i->thread_info.state = i->state; + i->thread_info.attached = FALSE; pa_atomic_store(&i->thread_info.drained, 1); i->thread_info.sample_spec = i->sample_spec; - i->thread_info.silence_memblock = NULL; - i->thread_info.move_silence = 0; - pa_memchunk_reset(&i->thread_info.resampled_chunk); i->thread_info.resampler = resampler; i->thread_info.volume = i->volume; i->thread_info.muted = i->muted; - i->thread_info.attached = FALSE; + i->thread_info.requested_sink_latency = (pa_usec_t) -1; + i->thread_info.rewrite_nbytes = 0; + i->thread_info.rewrite_flush = FALSE; + i->thread_info.underrun_for = (uint64_t) -1; + i->thread_info.playing_for = 0; + + i->thread_info.render_memblockq = pa_memblockq_new( + 0, + MEMBLOCKQ_MAXLENGTH, + 0, + pa_frame_size(&i->sink->sample_spec), + 0, + 1, + 0, + &i->sink->silence); pa_assert_se(pa_idxset_put(core->sink_inputs, pa_sink_input_ref(i), &i->index) == 0); pa_assert_se(pa_idxset_put(i->sink->inputs, i, NULL) == 0); pa_log_info("Created input %u \"%s\" on %s with sample spec %s and channel map %s", i->index, - i->name, + pa_strnull(pa_proplist_gets(i->proplist, PA_PROP_MEDIA_NAME)), i->sink->name, pa_sample_spec_snprint(st, sizeof(st), &i->sample_spec), pa_channel_map_snprint(cm, sizeof(cm), &i->channel_map)); @@ -302,7 +329,7 @@ void pa_sink_input_unlink(pa_sink_input *i) { pa_sink_input_ref(i); - linked = PA_SINK_INPUT_LINKED(i->state); + linked = PA_SINK_INPUT_IS_LINKED(i->state); if (linked) pa_hook_fire(&i->sink->core->hooks[PA_CORE_HOOK_SINK_INPUT_UNLINK], i); @@ -318,21 +345,14 @@ void pa_sink_input_unlink(pa_sink_input *i) { if (pa_idxset_remove_by_data(i->sink->inputs, i, NULL)) pa_sink_input_unref(i); - if (linked) { - pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_REMOVE_INPUT, i, 0, NULL); - sink_input_set_state(i, PA_SINK_INPUT_UNLINKED); - pa_sink_update_status(i->sink); - } else - i->state = PA_SINK_INPUT_UNLINKED; + update_n_corked(i, PA_SINK_INPUT_UNLINKED); + i->state = PA_SINK_INPUT_UNLINKED; - i->peek = NULL; - i->drop = NULL; - i->kill = NULL; - i->get_latency = NULL; - i->attach = NULL; - i->detach = NULL; - i->suspend = NULL; - i->moved = NULL; + if (linked) + if (i->sink->asyncmsgq) + pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_REMOVE_INPUT, i, 0, NULL); + + reset_callbacks(i); if (linked) { pa_subscription_post(i->sink->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_REMOVE, i->index); @@ -349,55 +369,51 @@ static void sink_input_free(pa_object *o) { pa_assert(i); pa_assert(pa_sink_input_refcnt(i) == 0); - if (PA_SINK_INPUT_LINKED(i->state)) + if (PA_SINK_INPUT_IS_LINKED(i->state)) pa_sink_input_unlink(i); - pa_log_info("Freeing output %u \"%s\"", i->index, i->name); + pa_log_info("Freeing input %u \"%s\"", i->index, pa_strnull(pa_proplist_gets(i->proplist, PA_PROP_MEDIA_NAME))); pa_assert(!i->thread_info.attached); - if (i->thread_info.resampled_chunk.memblock) - pa_memblock_unref(i->thread_info.resampled_chunk.memblock); + if (i->thread_info.render_memblockq) + pa_memblockq_free(i->thread_info.render_memblockq); if (i->thread_info.resampler) pa_resampler_free(i->thread_info.resampler); - if (i->thread_info.silence_memblock) - pa_memblock_unref(i->thread_info.silence_memblock); + if (i->proplist) + pa_proplist_free(i->proplist); - pa_xfree(i->name); pa_xfree(i->driver); pa_xfree(i); } void pa_sink_input_put(pa_sink_input *i) { + pa_sink_input_state_t state; pa_sink_input_assert_ref(i); pa_assert(i->state == PA_SINK_INPUT_INIT); - pa_assert(i->peek); - pa_assert(i->drop); + pa_assert(i->pop); + pa_assert(i->process_rewind); - i->thread_info.state = i->state = i->flags & PA_SINK_INPUT_START_CORKED ? PA_SINK_INPUT_CORKED : PA_SINK_INPUT_RUNNING; i->thread_info.volume = i->volume; i->thread_info.muted = i->muted; - if (i->state == PA_SINK_INPUT_CORKED) - i->sink->n_corked++; + state = i->flags & PA_SINK_INPUT_START_CORKED ? PA_SINK_INPUT_CORKED : PA_SINK_INPUT_RUNNING; + + update_n_corked(i, state); + i->state = state; pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_ADD_INPUT, i, 0, NULL); - pa_sink_update_status(i->sink); pa_subscription_post(i->sink->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_NEW, i->index); pa_hook_fire(&i->sink->core->hooks[PA_CORE_HOOK_SINK_INPUT_PUT], i); - - /* Please note that if you change something here, you have to - change something in pa_sink_input_move() with the ghost stream - registration too. */ } void pa_sink_input_kill(pa_sink_input*i) { pa_sink_input_assert_ref(i); - pa_assert(PA_SINK_INPUT_LINKED(i->state)); + pa_assert(PA_SINK_INPUT_IS_LINKED(i->state)); if (i->kill) i->kill(i); @@ -407,7 +423,7 @@ pa_usec_t pa_sink_input_get_latency(pa_sink_input *i) { pa_usec_t r = 0; pa_sink_input_assert_ref(i); - pa_assert(PA_SINK_INPUT_LINKED(i->state)); + pa_assert(PA_SINK_INPUT_IS_LINKED(i->state)); if (pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_GET_LATENCY, &r, 0, NULL) < 0) r = 0; @@ -419,232 +435,316 @@ pa_usec_t pa_sink_input_get_latency(pa_sink_input *i) { } /* Called from thread context */ -int pa_sink_input_peek(pa_sink_input *i, size_t length, pa_memchunk *chunk, pa_cvolume *volume) { - int ret = -1; - int do_volume_adj_here; - int volume_is_norm; - size_t block_size_max; +int pa_sink_input_peek(pa_sink_input *i, size_t slength /* in sink frames */, pa_memchunk *chunk, pa_cvolume *volume) { + pa_bool_t do_volume_adj_here; + pa_bool_t volume_is_norm; + size_t block_size_max_sink, block_size_max_sink_input; + size_t ilength; pa_sink_input_assert_ref(i); - pa_assert(PA_SINK_INPUT_LINKED(i->thread_info.state)); - pa_assert(pa_frame_aligned(length, &i->sink->sample_spec)); + pa_assert(PA_SINK_INPUT_IS_LINKED(i->thread_info.state)); + pa_assert(pa_frame_aligned(slength, &i->sink->sample_spec)); pa_assert(chunk); pa_assert(volume); - if (!i->peek || !i->drop || i->thread_info.state == PA_SINK_INPUT_CORKED) - goto finish; +/* pa_log_debug("peek"); */ + + if (!i->pop) + return -1; + + pa_assert(i->thread_info.state == PA_SINK_INPUT_RUNNING || + i->thread_info.state == PA_SINK_INPUT_CORKED || + i->thread_info.state == PA_SINK_INPUT_DRAINED); + + /* If there's still some rewrite request the handle, but the sink + didn't do this for us, we do it here. However, since the sink + apparently doesn't support rewinding, we pass 0 here. This still + allows rewinding through the render buffer. */ + pa_sink_input_process_rewind(i, 0); + + block_size_max_sink_input = i->thread_info.resampler ? + pa_resampler_max_block_size(i->thread_info.resampler) : + pa_frame_align(pa_mempool_block_size_max(i->sink->core->mempool), &i->sample_spec); - pa_assert(i->thread_info.state == PA_SINK_INPUT_RUNNING || i->thread_info.state == PA_SINK_INPUT_DRAINED); + block_size_max_sink = pa_frame_align(pa_mempool_block_size_max(i->sink->core->mempool), &i->sink->sample_spec); /* Default buffer size */ - if (length <= 0) - length = pa_frame_align(CONVERT_BUFFER_LENGTH, &i->sink->sample_spec); - - /* Make sure the buffer fits in the mempool tile */ - block_size_max = pa_mempool_block_size_max(i->sink->core->mempool); - if (length > block_size_max) - length = pa_frame_align(block_size_max, &i->sink->sample_spec); - - if (i->thread_info.move_silence > 0) { - size_t l; - - /* We have just been moved and shall play some silence for a - * while until the old sink has drained its playback buffer */ - - if (!i->thread_info.silence_memblock) - i->thread_info.silence_memblock = pa_silence_memblock_new( - i->sink->core->mempool, - &i->sink->sample_spec, - pa_frame_align(SILENCE_BUFFER_LENGTH, &i->sink->sample_spec)); - - chunk->memblock = pa_memblock_ref(i->thread_info.silence_memblock); - chunk->index = 0; - l = pa_memblock_get_length(chunk->memblock); - chunk->length = i->thread_info.move_silence < l ? i->thread_info.move_silence : l; - - ret = 0; - do_volume_adj_here = 1; - goto finish; - } + if (slength <= 0) + slength = pa_frame_align(CONVERT_BUFFER_LENGTH, &i->sink->sample_spec); - if (!i->thread_info.resampler) { - do_volume_adj_here = 0; /* FIXME??? */ - ret = i->peek(i, length, chunk); - goto finish; - } + if (slength > block_size_max_sink) + slength = block_size_max_sink; + + if (i->thread_info.resampler) { + ilength = pa_resampler_request(i->thread_info.resampler, slength); + + if (ilength <= 0) + ilength = pa_frame_align(CONVERT_BUFFER_LENGTH, &i->sample_spec); + } else + ilength = slength; + + if (ilength > block_size_max_sink_input) + ilength = block_size_max_sink_input; + + /* If the channel maps of the sink and this stream differ, we need + * to adjust the volume *before* we resample. Otherwise we can do + * it after and leave it for the sink code */ do_volume_adj_here = !pa_channel_map_equal(&i->channel_map, &i->sink->channel_map); volume_is_norm = pa_cvolume_is_norm(&i->thread_info.volume) && !i->thread_info.muted; - while (!i->thread_info.resampled_chunk.memblock) { + while (!pa_memblockq_is_readable(i->thread_info.render_memblockq)) { pa_memchunk tchunk; - size_t l, rmbs; - l = pa_resampler_request(i->thread_info.resampler, length); + /* There's nothing in our render queue. We need to fill it up + * with data from the implementor. */ - if (l <= 0) - l = pa_frame_align(CONVERT_BUFFER_LENGTH, &i->sample_spec); + if (i->thread_info.state == PA_SINK_INPUT_CORKED || + i->pop(i, ilength, &tchunk) < 0) { - rmbs = pa_resampler_max_block_size(i->thread_info.resampler); - if (l > rmbs) - l = rmbs; + /* OK, we're corked or the implementor didn't give us any + * data, so let's just hand out silence */ + pa_atomic_store(&i->thread_info.drained, 1); - if ((ret = i->peek(i, l, &tchunk)) < 0) - goto finish; + pa_memblockq_seek(i->thread_info.render_memblockq, slength, PA_SEEK_RELATIVE); + i->thread_info.playing_for = 0; + if (i->thread_info.underrun_for != (uint64_t) -1) + i->thread_info.underrun_for += ilength; + break; + } + + pa_atomic_store(&i->thread_info.drained, 0); pa_assert(tchunk.length > 0); + pa_assert(tchunk.memblock); - if (tchunk.length > l) - tchunk.length = l; + i->thread_info.underrun_for = 0; + i->thread_info.playing_for += tchunk.length; - i->drop(i, tchunk.length); + while (tchunk.length > 0) { + pa_memchunk wchunk; - /* It might be necessary to adjust the volume here */ - if (do_volume_adj_here && !volume_is_norm) { - pa_memchunk_make_writable(&tchunk, 0); + wchunk = tchunk; + pa_memblock_ref(wchunk.memblock); - if (i->thread_info.muted) - pa_silence_memchunk(&tchunk, &i->thread_info.sample_spec); - else - pa_volume_memchunk(&tchunk, &i->thread_info.sample_spec, &i->thread_info.volume); + if (wchunk.length > block_size_max_sink_input) + wchunk.length = block_size_max_sink_input; + + /* It might be necessary to adjust the volume here */ + if (do_volume_adj_here && !volume_is_norm) { + pa_memchunk_make_writable(&wchunk, 0); + + if (i->thread_info.muted) + pa_silence_memchunk(&wchunk, &i->thread_info.sample_spec); + else + pa_volume_memchunk(&wchunk, &i->thread_info.sample_spec, &i->thread_info.volume); + } + + if (!i->thread_info.resampler) + pa_memblockq_push_align(i->thread_info.render_memblockq, &wchunk); + else { + pa_memchunk rchunk; + pa_resampler_run(i->thread_info.resampler, &wchunk, &rchunk); + +/* pa_log_debug("pushing %lu", (unsigned long) rchunk.length); */ + + if (rchunk.memblock) { + pa_memblockq_push_align(i->thread_info.render_memblockq, &rchunk); + pa_memblock_unref(rchunk.memblock); + } + } + + pa_memblock_unref(wchunk.memblock); + + tchunk.index += wchunk.length; + tchunk.length -= wchunk.length; } - pa_resampler_run(i->thread_info.resampler, &tchunk, &i->thread_info.resampled_chunk); pa_memblock_unref(tchunk.memblock); } - pa_assert(i->thread_info.resampled_chunk.memblock); - pa_assert(i->thread_info.resampled_chunk.length > 0); + pa_assert_se(pa_memblockq_peek(i->thread_info.render_memblockq, chunk) >= 0); - *chunk = i->thread_info.resampled_chunk; - pa_memblock_ref(i->thread_info.resampled_chunk.memblock); + pa_assert(chunk->length > 0); + pa_assert(chunk->memblock); - ret = 0; +/* pa_log_debug("peeking %lu", (unsigned long) chunk->length); */ -finish: + if (chunk->length > block_size_max_sink) + chunk->length = block_size_max_sink; - if (ret >= 0) - pa_atomic_store(&i->thread_info.drained, 0); - else if (ret < 0) - pa_atomic_store(&i->thread_info.drained, 1); - - if (ret >= 0) { - /* Let's see if we had to apply the volume adjustment - * ourselves, or if this can be done by the sink for us */ + /* Let's see if we had to apply the volume adjustment ourselves, + * or if this can be done by the sink for us */ - if (do_volume_adj_here) - /* We had different channel maps, so we already did the adjustment */ - pa_cvolume_reset(volume, i->sink->sample_spec.channels); - else if (i->thread_info.muted) - /* We've both the same channel map, so let's have the sink do the adjustment for us*/ - pa_cvolume_mute(volume, i->sink->sample_spec.channels); - else - *volume = i->thread_info.volume; - } + if (do_volume_adj_here) + /* We had different channel maps, so we already did the adjustment */ + pa_cvolume_reset(volume, i->sink->sample_spec.channels); + else if (i->thread_info.muted) + /* We've both the same channel map, so let's have the sink do the adjustment for us*/ + pa_cvolume_mute(volume, i->sink->sample_spec.channels); + else + *volume = i->thread_info.volume; - return ret; + return 0; } /* Called from thread context */ -void pa_sink_input_drop(pa_sink_input *i, size_t length) { +void pa_sink_input_drop(pa_sink_input *i, size_t nbytes /* in sink sample spec */) { pa_sink_input_assert_ref(i); - pa_assert(PA_SINK_INPUT_LINKED(i->thread_info.state)); - pa_assert(pa_frame_aligned(length, &i->sink->sample_spec)); - pa_assert(length > 0); - if (!i->peek || !i->drop || i->thread_info.state == PA_SINK_INPUT_CORKED) - return; + pa_assert(PA_SINK_INPUT_IS_LINKED(i->thread_info.state)); + pa_assert(pa_frame_aligned(nbytes, &i->sink->sample_spec)); + pa_assert(nbytes > 0); - if (i->thread_info.move_silence > 0) { +/* pa_log_debug("dropping %lu", (unsigned long) nbytes); */ - if (i->thread_info.move_silence >= length) { - i->thread_info.move_silence -= length; - length = 0; - } else { - length -= i->thread_info.move_silence; - i->thread_info.move_silence = 0; - } + /* If there's still some rewrite request the handle, but the sink + didn't do this for us, we do it here. However, since the sink + apparently doesn't support rewinding, we pass 0 here. This still + allows rewinding through the render buffer. */ + pa_sink_input_process_rewind(i, 0); - if (i->thread_info.move_silence <= 0) { - if (i->thread_info.silence_memblock) { - pa_memblock_unref(i->thread_info.silence_memblock); - i->thread_info.silence_memblock = NULL; - } - } + pa_memblockq_drop(i->thread_info.render_memblockq, nbytes); +} + +/* Called from thread context */ +void pa_sink_input_process_rewind(pa_sink_input *i, size_t nbytes /* in sink sample spec */) { + size_t lbq; + pa_sink_input_assert_ref(i); + + pa_assert(PA_SINK_INPUT_IS_LINKED(i->thread_info.state)); + pa_assert(pa_frame_aligned(nbytes, &i->sink->sample_spec)); + +/* pa_log_debug("rewind(%lu, %lu)", (unsigned long) nbytes, (unsigned long) i->thread_info.rewrite_nbytes); */ - if (length <= 0) - return; + lbq = pa_memblockq_get_length(i->thread_info.render_memblockq); + + if (nbytes > 0) { + pa_log_debug("Have to rewind %lu bytes on render memblockq.", (unsigned long) nbytes); + pa_memblockq_rewind(i->thread_info.render_memblockq, nbytes); } - if (i->thread_info.resampled_chunk.memblock) { - size_t l = length; + if (i->thread_info.rewrite_nbytes == (size_t) -1) { - if (l > i->thread_info.resampled_chunk.length) - l = i->thread_info.resampled_chunk.length; + /* We were asked to drop all buffered data, and rerequest new + * data from implementor the next time push() is called */ - i->thread_info.resampled_chunk.index += l; - i->thread_info.resampled_chunk.length -= l; + pa_memblockq_flush(i->thread_info.render_memblockq); - if (i->thread_info.resampled_chunk.length <= 0) { - pa_memblock_unref(i->thread_info.resampled_chunk.memblock); - pa_memchunk_reset(&i->thread_info.resampled_chunk); - } + } else if (i->thread_info.rewrite_nbytes > 0) { + size_t max_rewrite, amount; + + /* Calculate how much make sense to rewrite at most */ + max_rewrite = nbytes + lbq; + + /* Transform into local domain */ + if (i->thread_info.resampler) + max_rewrite = pa_resampler_request(i->thread_info.resampler, max_rewrite); + + /* Calculate how much of the rewinded data should actually be rewritten */ + amount = PA_MIN(i->thread_info.rewrite_nbytes, max_rewrite); + + if (amount > 0) { + pa_log_debug("Have to rewind %lu bytes on implementor.", (unsigned long) amount); - length -= l; + /* Tell the implementor */ + if (i->process_rewind) + i->process_rewind(i, amount); + + /* Convert back to to sink domain */ + if (i->thread_info.resampler) + amount = pa_resampler_result(i->thread_info.resampler, amount); + + if (amount > 0) + /* Ok, now update the write pointer */ + pa_memblockq_seek(i->thread_info.render_memblockq, - ((int64_t) amount), PA_SEEK_RELATIVE); + + if (i->thread_info.rewrite_flush) + pa_memblockq_silence(i->thread_info.render_memblockq); + + /* And reset the resampler */ + if (i->thread_info.resampler) + pa_resampler_reset(i->thread_info.resampler); + } } - if (length > 0) { + i->thread_info.rewrite_nbytes = 0; + i->thread_info.rewrite_flush = FALSE; +} + +/* Called from thread context */ +void pa_sink_input_update_max_rewind(pa_sink_input *i, size_t nbytes /* in the sink's sample spec */) { + pa_sink_input_assert_ref(i); + pa_assert(PA_SINK_INPUT_IS_LINKED(i->thread_info.state)); + pa_assert(pa_frame_aligned(nbytes, &i->sink->sample_spec)); - if (i->thread_info.resampler) { - /* So, we have a resampler. To avoid discontinuities we - * have to actually read all data that could be read and - * pass it through the resampler. */ + pa_memblockq_set_maxrewind(i->thread_info.render_memblockq, nbytes); - while (length > 0) { - pa_memchunk chunk; - pa_cvolume volume; + if (i->update_max_rewind) + i->update_max_rewind(i, i->thread_info.resampler ? pa_resampler_request(i->thread_info.resampler, nbytes) : nbytes); +} - if (pa_sink_input_peek(i, length, &chunk, &volume) >= 0) { - size_t l; +static pa_usec_t fixup_latency(pa_sink *s, pa_usec_t usec) { + pa_sink_assert_ref(s); - pa_memblock_unref(chunk.memblock); + if (usec == (pa_usec_t) -1) + return usec; - l = chunk.length; - if (l > length) - l = length; + if (s->max_latency > 0 && usec > s->max_latency) + usec = s->max_latency; - pa_sink_input_drop(i, l); - length -= l; + if (s->min_latency > 0 && usec < s->min_latency) + usec = s->min_latency; - } else { - size_t l; + return usec; +} - l = pa_resampler_request(i->thread_info.resampler, length); +pa_usec_t pa_sink_input_set_requested_latency_within_thread(pa_sink_input *i, pa_usec_t usec) { + pa_sink_input_assert_ref(i); - /* Hmmm, peeking failed, so let's at least drop - * the right amount of data */ + usec = fixup_latency(i->sink, usec); - if (l > 0) - if (i->drop) - i->drop(i, l); + i->thread_info.requested_sink_latency = usec; + pa_sink_invalidate_requested_latency(i->sink); - break; - } - } + return usec; +} - } else { +pa_usec_t pa_sink_input_set_requested_latency(pa_sink_input *i, pa_usec_t usec) { + pa_sink_input_assert_ref(i); - /* We have no resampler, hence let's just drop the data */ + usec = fixup_latency(i->sink, usec); - if (i->drop) - i->drop(i, length); - } + if (PA_SINK_INPUT_IS_LINKED(i->state)) + pa_asyncmsgq_post(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_REQUESTED_LATENCY, NULL, (int64_t) usec, NULL, NULL); + else { + /* If this sink input is not realized yet, we have to touch + * the thread info data directly */ + i->thread_info.requested_sink_latency = usec; + i->sink->thread_info.requested_latency_valid = FALSE; } + + return usec; +} + +pa_usec_t pa_sink_input_get_requested_latency(pa_sink_input *i) { + pa_usec_t usec = 0; + + pa_sink_input_assert_ref(i); + + if (PA_SINK_INPUT_IS_LINKED(i->state)) + pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL); + else + /* If this sink input is not realized yet, we have to touch + * the thread info data directly */ + usec = i->thread_info.requested_sink_latency; + + return usec; } void pa_sink_input_set_volume(pa_sink_input *i, const pa_cvolume *volume) { pa_sink_input_assert_ref(i); - pa_assert(PA_SINK_INPUT_LINKED(i->state)); + pa_assert(PA_SINK_INPUT_IS_LINKED(i->state)); if (pa_cvolume_equal(&i->volume, volume)) return; @@ -657,7 +757,7 @@ void pa_sink_input_set_volume(pa_sink_input *i, const pa_cvolume *volume) { const pa_cvolume *pa_sink_input_get_volume(pa_sink_input *i) { pa_sink_input_assert_ref(i); - pa_assert(PA_SINK_INPUT_LINKED(i->state)); + pa_assert(PA_SINK_INPUT_IS_LINKED(i->state)); return &i->volume; } @@ -665,7 +765,7 @@ const pa_cvolume *pa_sink_input_get_volume(pa_sink_input *i) { void pa_sink_input_set_mute(pa_sink_input *i, pa_bool_t mute) { pa_assert(i); pa_sink_input_assert_ref(i); - pa_assert(PA_SINK_INPUT_LINKED(i->state)); + pa_assert(PA_SINK_INPUT_IS_LINKED(i->state)); if (!i->muted == !mute) return; @@ -678,21 +778,21 @@ void pa_sink_input_set_mute(pa_sink_input *i, pa_bool_t mute) { int pa_sink_input_get_mute(pa_sink_input *i) { pa_sink_input_assert_ref(i); - pa_assert(PA_SINK_INPUT_LINKED(i->state)); + pa_assert(PA_SINK_INPUT_IS_LINKED(i->state)); return !!i->muted; } void pa_sink_input_cork(pa_sink_input *i, pa_bool_t b) { pa_sink_input_assert_ref(i); - pa_assert(PA_SINK_INPUT_LINKED(i->state)); + pa_assert(PA_SINK_INPUT_IS_LINKED(i->state)); sink_input_set_state(i, b ? PA_SINK_INPUT_CORKED : PA_SINK_INPUT_RUNNING); } int pa_sink_input_set_rate(pa_sink_input *i, uint32_t rate) { pa_sink_input_assert_ref(i); - pa_assert(PA_SINK_INPUT_LINKED(i->state)); + pa_assert(PA_SINK_INPUT_IS_LINKED(i->state)); pa_return_val_if_fail(i->thread_info.resampler, -1); if (i->sample_spec.rate == rate) @@ -707,19 +807,24 @@ int pa_sink_input_set_rate(pa_sink_input *i, uint32_t rate) { } void pa_sink_input_set_name(pa_sink_input *i, const char *name) { + const char *old; pa_sink_input_assert_ref(i); - if (!i->name && !name) + if (!name && !pa_proplist_contains(i->proplist, PA_PROP_MEDIA_NAME)) return; - if (i->name && name && !strcmp(i->name, name)) + old = pa_proplist_gets(i->proplist, PA_PROP_MEDIA_NAME); + + if (old && name && !strcmp(old, name)) return; - pa_xfree(i->name); - i->name = pa_xstrdup(name); + if (name) + pa_proplist_sets(i->proplist, PA_PROP_MEDIA_NAME, name); + else + pa_proplist_unset(i->proplist, PA_PROP_MEDIA_NAME); - if (PA_SINK_INPUT_LINKED(i->state)) { - pa_hook_fire(&i->sink->core->hooks[PA_CORE_HOOK_SINK_INPUT_NAME_CHANGED], i); + if (PA_SINK_INPUT_IS_LINKED(i->state)) { + pa_hook_fire(&i->sink->core->hooks[PA_CORE_HOOK_SINK_INPUT_PROPLIST_CHANGED], i); pa_subscription_post(i->sink->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index); } } @@ -730,15 +835,13 @@ pa_resample_method_t pa_sink_input_get_resample_method(pa_sink_input *i) { return i->resample_method; } -int pa_sink_input_move_to(pa_sink_input *i, pa_sink *dest, int immediately) { +int pa_sink_input_move_to(pa_sink_input *i, pa_sink *dest) { pa_resampler *new_resampler; pa_sink *origin; - pa_usec_t silence_usec = 0; - pa_sink_input_move_info info; pa_sink_input_move_hook_data hook_data; pa_sink_input_assert_ref(i); - pa_assert(PA_SINK_INPUT_LINKED(i->state)); + pa_assert(PA_SINK_INPUT_IS_LINKED(i->state)); pa_sink_assert_ref(dest); origin = i->sink; @@ -790,71 +893,7 @@ int pa_sink_input_move_to(pa_sink_input *i, pa_sink *dest, int immediately) { hook_data.destination = dest; pa_hook_fire(&i->sink->core->hooks[PA_CORE_HOOK_SINK_INPUT_MOVE], &hook_data); - memset(&info, 0, sizeof(info)); - info.sink_input = i; - - if (!immediately) { - pa_usec_t old_latency, new_latency; - - /* Let's do a little bit of Voodoo for compensating latency - * differences. We assume that the accuracy for our - * estimations is still good enough, even though we do these - * operations non-atomic. */ - - old_latency = pa_sink_get_latency(origin); - new_latency = pa_sink_get_latency(dest); - - /* The already resampled data should go to the old sink */ - - if (old_latency >= new_latency) { - - /* The latency of the old sink is larger than the latency - * of the new sink. Therefore to compensate for the - * difference we to play silence on the new one for a - * while */ - - silence_usec = old_latency - new_latency; - - } else { - - /* The latency of new sink is larger than the latency of - * the old sink. Therefore we have to precompute a little - * and make sure that this is still played on the old - * sink, until we can play the first sample on the new - * sink.*/ - - info.buffer_bytes = pa_usec_to_bytes(new_latency - old_latency, &origin->sample_spec); - } - - /* Okey, let's move it */ - - if (info.buffer_bytes > 0) { - - info.ghost_sink_input = pa_memblockq_sink_input_new( - origin, - "Ghost Stream", - &origin->sample_spec, - &origin->channel_map, - NULL, - NULL); - - info.ghost_sink_input->thread_info.state = info.ghost_sink_input->state = PA_SINK_INPUT_RUNNING; - info.ghost_sink_input->thread_info.volume = info.ghost_sink_input->volume; - info.ghost_sink_input->thread_info.muted = info.ghost_sink_input->muted; - - info.buffer = pa_memblockq_new(0, MOVE_BUFFER_LENGTH, 0, pa_frame_size(&origin->sample_spec), 0, 0, NULL); - } - } - - pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_REMOVE_INPUT_AND_BUFFER, &info, 0, NULL); - - if (info.ghost_sink_input) { - /* Basically, do what pa_sink_input_put() does ...*/ - - pa_subscription_post(i->sink->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_NEW, info.ghost_sink_input->index); - pa_hook_fire(&i->sink->core->hooks[PA_CORE_HOOK_SINK_INPUT_PUT], info.ghost_sink_input); - pa_sink_input_unref(info.ghost_sink_input); - } + pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_START_MOVE, i, 0, NULL); pa_idxset_remove_by_data(origin->inputs, i, NULL); pa_idxset_put(dest->inputs, i, NULL); @@ -865,42 +904,31 @@ int pa_sink_input_move_to(pa_sink_input *i, pa_sink *dest, int immediately) { dest->n_corked++; } - /* Replace resampler */ + /* Replace resampler and render queue */ if (new_resampler != i->thread_info.resampler) { + if (i->thread_info.resampler) pa_resampler_free(i->thread_info.resampler); i->thread_info.resampler = new_resampler; - /* if the resampler changed, the silence memblock is - * probably invalid now, too */ - if (i->thread_info.silence_memblock) { - pa_memblock_unref(i->thread_info.silence_memblock); - i->thread_info.silence_memblock = NULL; - } + pa_memblockq_free(i->thread_info.render_memblockq); + + i->thread_info.render_memblockq = pa_memblockq_new( + 0, + MEMBLOCKQ_MAXLENGTH, + 0, + pa_frame_size(&i->sink->sample_spec), + 0, + 1, + 0, + &i->sink->silence); } - /* Dump already resampled data */ - if (i->thread_info.resampled_chunk.memblock) { - /* Hmm, this data has already been added to the ghost queue, presumably, hence let's sleep a little bit longer */ - silence_usec += pa_bytes_to_usec(i->thread_info.resampled_chunk.length, &origin->sample_spec); - pa_memblock_unref(i->thread_info.resampled_chunk.memblock); - pa_memchunk_reset(&i->thread_info.resampled_chunk); - } - - /* Calculate the new sleeping time */ - if (immediately) - i->thread_info.move_silence = 0; - else - i->thread_info.move_silence = pa_usec_to_bytes( - pa_bytes_to_usec(i->thread_info.move_silence, &origin->sample_spec) + - silence_usec, - &dest->sample_spec); - - pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_ADD_INPUT, i, 0, NULL); - pa_sink_update_status(origin); pa_sink_update_status(dest); + pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_FINISH_MOVE, i, 0, NULL); + if (i->moved) i->moved(i); @@ -914,31 +942,57 @@ int pa_sink_input_move_to(pa_sink_input *i, pa_sink *dest, int immediately) { return 0; } +void pa_sink_input_set_state_within_thread(pa_sink_input *i, pa_sink_input_state_t state) { + pa_sink_input_assert_ref(i); + + if (state == i->thread_info.state) + return; + + if ((state == PA_SINK_INPUT_DRAINED || state == PA_SINK_INPUT_RUNNING) && + !(i->thread_info.state == PA_SINK_INPUT_DRAINED || i->thread_info.state != PA_SINK_INPUT_RUNNING)) + pa_atomic_store(&i->thread_info.drained, 1); + + if (state == PA_SINK_INPUT_CORKED && i->thread_info.state != PA_SINK_INPUT_CORKED) { + + /* This will tell the implementing sink input driver to rewind + * so that the unplayed already mixed data is not lost */ + pa_sink_input_request_rewind(i, 0, TRUE, TRUE); + + } else if (i->thread_info.state == PA_SINK_INPUT_CORKED && state != PA_SINK_INPUT_CORKED) { + + /* OK, we're being uncorked. Make sure we're not rewound when + * the hw buffer is remixed and request a remix. */ + pa_sink_input_request_rewind(i, 0, FALSE, TRUE); + } + + if (i->state_change) + i->state_change(i, state); + + i->thread_info.state = state; +} + /* Called from thread context */ int pa_sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) { pa_sink_input *i = PA_SINK_INPUT(o); pa_sink_input_assert_ref(i); - pa_assert(PA_SINK_INPUT_LINKED(i->thread_info.state)); + pa_assert(PA_SINK_INPUT_IS_LINKED(i->thread_info.state)); switch (code) { case PA_SINK_INPUT_MESSAGE_SET_VOLUME: i->thread_info.volume = *((pa_cvolume*) userdata); + pa_sink_input_request_rewind(i, 0, TRUE, FALSE); return 0; case PA_SINK_INPUT_MESSAGE_SET_MUTE: i->thread_info.muted = PA_PTR_TO_UINT(userdata); + pa_sink_input_request_rewind(i, 0, TRUE, FALSE); return 0; case PA_SINK_INPUT_MESSAGE_GET_LATENCY: { pa_usec_t *r = userdata; - if (i->thread_info.resampled_chunk.memblock) - *r += pa_bytes_to_usec(i->thread_info.resampled_chunk.length, &i->sink->sample_spec); - - if (i->thread_info.move_silence) - *r += pa_bytes_to_usec(i->thread_info.move_silence, &i->sink->sample_spec); - + *r += pa_bytes_to_usec(pa_memblockq_get_length(i->thread_info.render_memblockq), &i->sink->sample_spec); return 0; } @@ -952,26 +1006,26 @@ int pa_sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t case PA_SINK_INPUT_MESSAGE_SET_STATE: { pa_sink_input *ssync; - if ((PA_PTR_TO_UINT(userdata) == PA_SINK_INPUT_DRAINED || PA_PTR_TO_UINT(userdata) == PA_SINK_INPUT_RUNNING) && - (i->thread_info.state != PA_SINK_INPUT_DRAINED) && (i->thread_info.state != PA_SINK_INPUT_RUNNING)) - pa_atomic_store(&i->thread_info.drained, 1); + pa_sink_input_set_state_within_thread(i, PA_PTR_TO_UINT(userdata)); - i->thread_info.state = PA_PTR_TO_UINT(userdata); + for (ssync = i->thread_info.sync_prev; ssync; ssync = ssync->thread_info.sync_prev) + pa_sink_input_set_state_within_thread(ssync, PA_PTR_TO_UINT(userdata)); - for (ssync = i->thread_info.sync_prev; ssync; ssync = ssync->thread_info.sync_prev) { - if ((PA_PTR_TO_UINT(userdata) == PA_SINK_INPUT_DRAINED || PA_PTR_TO_UINT(userdata) == PA_SINK_INPUT_RUNNING) && - (ssync->thread_info.state != PA_SINK_INPUT_DRAINED) && (ssync->thread_info.state != PA_SINK_INPUT_RUNNING)) - pa_atomic_store(&ssync->thread_info.drained, 1); - ssync->thread_info.state = PA_PTR_TO_UINT(userdata); - } + for (ssync = i->thread_info.sync_next; ssync; ssync = ssync->thread_info.sync_next) + pa_sink_input_set_state_within_thread(ssync, PA_PTR_TO_UINT(userdata)); - for (ssync = i->thread_info.sync_next; ssync; ssync = ssync->thread_info.sync_next) { - if ((PA_PTR_TO_UINT(userdata) == PA_SINK_INPUT_DRAINED || PA_PTR_TO_UINT(userdata) == PA_SINK_INPUT_RUNNING) && - (ssync->thread_info.state != PA_SINK_INPUT_DRAINED) && (ssync->thread_info.state != PA_SINK_INPUT_RUNNING)) - pa_atomic_store(&ssync->thread_info.drained, 1); - ssync->thread_info.state = PA_PTR_TO_UINT(userdata); - } + return 0; + } + + case PA_SINK_INPUT_MESSAGE_SET_REQUESTED_LATENCY: + + pa_sink_input_set_requested_latency_within_thread(i, (pa_usec_t) offset); + return 0; + + case PA_SINK_INPUT_MESSAGE_GET_REQUESTED_LATENCY: { + pa_usec_t *r = userdata; + *r = i->thread_info.requested_sink_latency; return 0; } } @@ -987,3 +1041,86 @@ pa_sink_input_state_t pa_sink_input_get_state(pa_sink_input *i) { return i->state; } + +/* Called from IO context */ +pa_bool_t pa_sink_input_safe_to_remove(pa_sink_input *i) { + pa_sink_input_assert_ref(i); + + if (PA_SINK_INPUT_IS_LINKED(i->thread_info.state)) + return pa_memblockq_is_empty(i->thread_info.render_memblockq); + + return TRUE; +} + +void pa_sink_input_request_rewind(pa_sink_input *i, size_t nbytes /* in our sample spec */, pa_bool_t rewrite, pa_bool_t flush) { + size_t lbq; + + /* If 'rewrite' is TRUE the sink is rewound as far as requested + * and possible and the exact value of this is passed back the + * implementor via process_rewind(). If 'flush' is also TRUE all + * already rendered data is also dropped. + * + * If 'rewrite' is FALSE the sink is rewound as far as requested + * and possible and the already rendered data is dropped so that + * in the next iteration we read new data from the + * implementor. This implies 'flush' is TRUE. */ + + pa_sink_input_assert_ref(i); + pa_assert(i->thread_info.rewrite_nbytes == 0); + + /* We don't take rewind requests while we are corked */ + if (i->thread_info.state == PA_SINK_INPUT_CORKED) + return; + + pa_assert(rewrite || flush); + + /* Calculate how much we can rewind locally without having to + * touch the sink */ + if (rewrite) + lbq = pa_memblockq_get_length(i->thread_info.render_memblockq); + else + lbq = 0; + + /* Check if rewinding for the maximum is requested, and if so, fix up */ + if (nbytes <= 0) { + + /* Calculate maximum number of bytes that could be rewound in theory */ + nbytes = i->sink->thread_info.max_rewind + lbq; + + /* Transform from sink domain */ + if (i->thread_info.resampler) + nbytes = pa_resampler_request(i->thread_info.resampler, nbytes); + } + + if (rewrite) { + /* Make sure to not overwrite over underruns */ + if (nbytes > i->thread_info.playing_for) + nbytes = (size_t) i->thread_info.playing_for; + + i->thread_info.rewrite_nbytes = nbytes; + } else + i->thread_info.rewrite_nbytes = (size_t) -1; + + i->thread_info.rewrite_flush = flush && i->thread_info.rewrite_nbytes != 0; + + /* Transform to sink domain */ + if (i->thread_info.resampler) + nbytes = pa_resampler_result(i->thread_info.resampler, nbytes); + + if (nbytes > lbq) + pa_sink_request_rewind(i->sink, nbytes - lbq); +} + +pa_memchunk* pa_sink_input_get_silence(pa_sink_input *i, pa_memchunk *ret) { + pa_sink_input_assert_ref(i); + pa_assert(ret); + + pa_silence_memchunk_get( + &i->sink->core->silence_cache, + i->sink->core->mempool, + ret, + &i->sample_spec, + i->thread_info.resampler ? pa_resampler_max_block_size(i->thread_info.resampler) : 0); + + return ret; +} diff --git a/src/pulsecore/sink-input.h b/src/pulsecore/sink-input.h index 8975db9e..5f146122 100644 --- a/src/pulsecore/sink-input.h +++ b/src/pulsecore/sink-input.h @@ -46,7 +46,7 @@ typedef enum pa_sink_input_state { PA_SINK_INPUT_UNLINKED /*< The stream is dead */ } pa_sink_input_state_t; -static inline pa_bool_t PA_SINK_INPUT_LINKED(pa_sink_input_state_t x) { +static inline pa_bool_t PA_SINK_INPUT_IS_LINKED(pa_sink_input_state_t x) { return x == PA_SINK_INPUT_DRAINED || x == PA_SINK_INPUT_RUNNING || x == PA_SINK_INPUT_CORKED; } @@ -73,7 +73,8 @@ struct pa_sink_input { pa_sink_input_state_t state; pa_sink_input_flags_t flags; - char *name, *driver; /* may be NULL */ + pa_proplist *proplist; + char *driver; /* may be NULL */ pa_module *module; /* may be NULL */ pa_client *client; /* may be NULL */ @@ -87,17 +88,26 @@ struct pa_sink_input { pa_cvolume volume; pa_bool_t muted; - /* Returns the chunk of audio data (but doesn't drop it - * yet!). Returns -1 on failure. Called from IO thread context. If - * data needs to be generated from scratch then please in the - * specified length. This is an optimization only. If less data is - * available, it's fine to return a smaller block. If more data is - * already ready, it is better to return the full block.*/ - int (*peek) (pa_sink_input *i, size_t length, pa_memchunk *chunk); + pa_resample_method_t resample_method; - /* Drops the specified number of bytes, usually called right after - * peek(), but not necessarily. Called from IO thread context. */ - void (*drop) (pa_sink_input *i, size_t length); + /* Returns the chunk of audio data and drops it from the + * queue. Returns -1 on failure. Called from IO thread context. If + * data needs to be generated from scratch then please in the + * specified length request_nbytes. This is an optimization + * only. If less data is available, it's fine to return a smaller + * block. If more data is already ready, it is better to return + * the full block. */ + int (*pop) (pa_sink_input *i, size_t request_nbytes, pa_memchunk *chunk); /* may NOT be NULL */ + + /* Rewind the queue by the specified number of bytes. Called just + * before peek() if it is called at all. Only called if the sink + * input driver ever plans to call + * pa_sink_input_request_rewind(). Called from IO context. */ + void (*process_rewind) (pa_sink_input *i, size_t nbytes); /* may NOT be NULL */ + + /* Called whenever the maximum rewindable size of the sink + * changes. Called from IO context. */ + void (*update_max_rewind) (pa_sink_input *i, size_t nbytes); /* may be NULL */ /* If non-NULL this function is called when the input is first * connected to a sink or when the rtpoll/asyncmsgq fields @@ -128,7 +138,9 @@ struct pa_sink_input { instead. */ pa_usec_t (*get_latency) (pa_sink_input *i); /* may be NULL */ - pa_resample_method_t resample_method; + /* If non_NULL this function is called from thread context if the + * state changes. The old state is found in thread_info.state. */ + void (*state_change) (pa_sink_input *i, pa_sink_input_state_t state); /* may be NULL */ struct { pa_sink_input_state_t state; @@ -138,19 +150,22 @@ struct pa_sink_input { pa_sample_spec sample_spec; - pa_memchunk resampled_chunk; pa_resampler *resampler; /* may be NULL */ - /* Some silence to play before the actual data. This is used to - * compensate for latency differences when moving a sink input - * "hot" between sinks. */ - size_t move_silence; - pa_memblock *silence_memblock; /* may be NULL */ + /* We maintain a history of resampled audio data here. */ + pa_memblockq *render_memblockq; + + size_t rewrite_nbytes; + pa_bool_t rewrite_flush; + uint64_t underrun_for, playing_for; pa_sink_input *sync_prev, *sync_next; pa_cvolume volume; pa_bool_t muted; + + /* The requested latency for the sink */ + pa_usec_t requested_sink_latency; } thread_info; void *userdata; @@ -165,11 +180,15 @@ enum { PA_SINK_INPUT_MESSAGE_GET_LATENCY, PA_SINK_INPUT_MESSAGE_SET_RATE, PA_SINK_INPUT_MESSAGE_SET_STATE, + PA_SINK_INPUT_MESSAGE_SET_REQUESTED_LATENCY, + PA_SINK_INPUT_MESSAGE_GET_REQUESTED_LATENCY, PA_SINK_INPUT_MESSAGE_MAX }; typedef struct pa_sink_input_new_data { - const char *name, *driver; + pa_proplist *proplist; + + const char *driver; pa_module *module; pa_client *client; @@ -190,16 +209,17 @@ typedef struct pa_sink_input_new_data { pa_sink_input *sync_base; } pa_sink_input_new_data; -typedef struct pa_sink_input_move_hook_data { - pa_sink_input *sink_input; - pa_sink *destination; -} pa_sink_input_move_hook_data; - pa_sink_input_new_data* pa_sink_input_new_data_init(pa_sink_input_new_data *data); void pa_sink_input_new_data_set_sample_spec(pa_sink_input_new_data *data, const pa_sample_spec *spec); void pa_sink_input_new_data_set_channel_map(pa_sink_input_new_data *data, const pa_channel_map *map); void pa_sink_input_new_data_set_volume(pa_sink_input_new_data *data, const pa_cvolume *volume); void pa_sink_input_new_data_set_muted(pa_sink_input_new_data *data, pa_bool_t mute); +void pa_sink_input_new_data_done(pa_sink_input_new_data *data); + +typedef struct pa_sink_input_move_hook_data { + pa_sink_input *sink_input; + pa_sink *destination; +} pa_sink_input_move_hook_data; /* To be called by the implementing module only */ @@ -213,7 +233,22 @@ void pa_sink_input_unlink(pa_sink_input* i); void pa_sink_input_set_name(pa_sink_input *i, const char *name); -/* Callable by everyone */ +pa_usec_t pa_sink_input_set_requested_latency(pa_sink_input *i, pa_usec_t usec); + +/* Request that the specified number of bytes already written out to +the hw device is rewritten, if possible. Please note that this is +only a kind request. The sink driver may not be able to fulfill it +fully -- or at all. If the request for a rewrite was successful, the +sink driver will call ->rewind() and pass the number of bytes that +could be rewound in the HW device. This functionality is required for +implementing the "zero latency" write-through functionality. */ +void pa_sink_input_request_rewind(pa_sink_input *i, size_t nbytes, pa_bool_t rewrite, pa_bool_t flush); + +void pa_sink_input_cork(pa_sink_input *i, pa_bool_t b); + +int pa_sink_input_set_rate(pa_sink_input *i, uint32_t rate); + +/* Callable by everyone from main thread*/ /* External code may request disconnection with this function */ void pa_sink_input_kill(pa_sink_input*i); @@ -225,27 +260,29 @@ const pa_cvolume *pa_sink_input_get_volume(pa_sink_input *i); void pa_sink_input_set_mute(pa_sink_input *i, pa_bool_t mute); int pa_sink_input_get_mute(pa_sink_input *i); -void pa_sink_input_cork(pa_sink_input *i, pa_bool_t b); - -int pa_sink_input_set_rate(pa_sink_input *i, uint32_t rate); - pa_resample_method_t pa_sink_input_get_resample_method(pa_sink_input *i); -int pa_sink_input_move_to(pa_sink_input *i, pa_sink *dest, int immediately); +int pa_sink_input_move_to(pa_sink_input *i, pa_sink *dest); pa_sink_input_state_t pa_sink_input_get_state(pa_sink_input *i); -/* To be used exclusively by the sink driver thread */ +pa_usec_t pa_sink_input_get_requested_latency(pa_sink_input *i); + +/* To be used exclusively by the sink driver IO thread */ int pa_sink_input_peek(pa_sink_input *i, size_t length, pa_memchunk *chunk, pa_cvolume *volume); void pa_sink_input_drop(pa_sink_input *i, size_t length); +void pa_sink_input_process_rewind(pa_sink_input *i, size_t nbytes /* in the sink's sample spec */); +void pa_sink_input_update_max_rewind(pa_sink_input *i, size_t nbytes /* in the sink's sample spec */); + +void pa_sink_input_set_state_within_thread(pa_sink_input *i, pa_sink_input_state_t state); + int pa_sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk); -typedef struct pa_sink_input_move_info { - pa_sink_input *sink_input; - pa_sink_input *ghost_sink_input; - pa_memblockq *buffer; - size_t buffer_bytes; -} pa_sink_input_move_info; +pa_usec_t pa_sink_input_set_requested_latency_within_thread(pa_sink_input *i, pa_usec_t usec); + +pa_bool_t pa_sink_input_safe_to_remove(pa_sink_input *i); + +pa_memchunk* pa_sink_input_get_silence(pa_sink_input *i, pa_memchunk *ret); #endif diff --git a/src/pulsecore/sink.c b/src/pulsecore/sink.c index 9adb6097..31c3cfc8 100644 --- a/src/pulsecore/sink.c +++ b/src/pulsecore/sink.c @@ -33,6 +33,7 @@ #include #include #include +#include #include #include @@ -47,43 +48,128 @@ #define MAX_MIX_CHANNELS 32 #define MIX_BUFFER_LENGTH (PA_PAGE_SIZE) -#define SILENCE_BUFFER_LENGTH (PA_PAGE_SIZE*12) +#define DEFAULT_MIN_LATENCY (4*PA_USEC_PER_MSEC) static PA_DEFINE_CHECK_TYPE(pa_sink, pa_msgobject); static void sink_free(pa_object *s); +pa_sink_new_data* pa_sink_new_data_init(pa_sink_new_data *data) { + pa_assert(data); + + memset(data, 0, sizeof(*data)); + data->proplist = pa_proplist_new(); + + return data; +} + +void pa_sink_new_data_set_name(pa_sink_new_data *data, const char *name) { + pa_assert(data); + + pa_xfree(data->name); + data->name = pa_xstrdup(name); +} + +void pa_sink_new_data_set_sample_spec(pa_sink_new_data *data, const pa_sample_spec *spec) { + pa_assert(data); + + if ((data->sample_spec_is_set = !!spec)) + data->sample_spec = *spec; +} + +void pa_sink_new_data_set_channel_map(pa_sink_new_data *data, const pa_channel_map *map) { + pa_assert(data); + + if ((data->channel_map_is_set = !!map)) + data->channel_map = *map; +} + +void pa_sink_new_data_set_volume(pa_sink_new_data *data, const pa_cvolume *volume) { + pa_assert(data); + + if ((data->volume_is_set = !!volume)) + data->volume = *volume; +} + +void pa_sink_new_data_set_muted(pa_sink_new_data *data, pa_bool_t mute) { + pa_assert(data); + + data->muted_is_set = TRUE; + data->muted = !!mute; +} + +void pa_sink_new_data_done(pa_sink_new_data *data) { + pa_assert(data); + + pa_xfree(data->name); + pa_proplist_free(data->proplist); +} + +static void reset_callbacks(pa_sink *s) { + pa_assert(s); + + s->set_state = NULL; + s->get_volume = NULL; + s->set_volume = NULL; + s->get_mute = NULL; + s->set_mute = NULL; + s->request_rewind = NULL; + s->update_requested_latency = NULL; +} + pa_sink* pa_sink_new( pa_core *core, - const char *driver, - const char *name, - int fail, - const pa_sample_spec *spec, - const pa_channel_map *map) { + pa_sink_new_data *data, + pa_sink_flags_t flags) { pa_sink *s; - char *n = NULL; - char st[256]; - pa_channel_map tmap; + const char *name; + char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX]; + pa_source_new_data source_data; + const char *dn; pa_assert(core); - pa_assert(name); - pa_assert(spec); + pa_assert(data); + pa_assert(data->name); + + s = pa_msgobject_new(pa_sink); - pa_return_null_if_fail(pa_sample_spec_valid(spec)); + if (!(name = pa_namereg_register(core, data->name, PA_NAMEREG_SINK, s, data->namereg_fail))) { + pa_xfree(s); + return NULL; + } - if (!map) - pa_return_null_if_fail((map = pa_channel_map_init_auto(&tmap, spec->channels, PA_CHANNEL_MAP_DEFAULT))); + pa_sink_new_data_set_name(data, name); - pa_return_null_if_fail(map && pa_channel_map_valid(map)); - pa_return_null_if_fail(map->channels == spec->channels); - pa_return_null_if_fail(!driver || pa_utf8_valid(driver)); - pa_return_null_if_fail(name && pa_utf8_valid(name) && *name); + if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_NEW], data) < 0) { + pa_xfree(s); + pa_namereg_unregister(core, name); + return NULL; + } - s = pa_msgobject_new(pa_sink); + pa_return_null_if_fail(!data->driver || pa_utf8_valid(data->driver)); + pa_return_null_if_fail(data->name && pa_utf8_valid(data->name) && data->name[0]); - if (!(name = pa_namereg_register(core, name, PA_NAMEREG_SINK, s, fail))) { + pa_return_null_if_fail(data->sample_spec_is_set && pa_sample_spec_valid(&data->sample_spec)); + + if (!data->channel_map_is_set) + pa_return_null_if_fail(pa_channel_map_init_auto(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT)); + + pa_return_null_if_fail(pa_channel_map_valid(&data->channel_map)); + pa_return_null_if_fail(data->channel_map.channels == data->sample_spec.channels); + + if (!data->volume_is_set) + pa_cvolume_reset(&data->volume, data->sample_spec.channels); + + pa_return_null_if_fail(pa_cvolume_valid(&data->volume)); + pa_return_null_if_fail(data->volume.channels == data->sample_spec.channels); + + if (!data->muted_is_set) + data->muted = FALSE; + + if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_FIXATE], data) < 0) { pa_xfree(s); + pa_namereg_unregister(core, name); return NULL; } @@ -92,57 +178,78 @@ pa_sink* pa_sink_new( s->core = core; s->state = PA_SINK_INIT; - s->flags = 0; + s->flags = flags; s->name = pa_xstrdup(name); - s->description = NULL; - s->driver = pa_xstrdup(driver); - s->module = NULL; + s->proplist = pa_proplist_copy(data->proplist); + s->driver = pa_xstrdup(data->driver); + s->module = data->module; - s->sample_spec = *spec; - s->channel_map = *map; + s->sample_spec = data->sample_spec; + s->channel_map = data->channel_map; s->inputs = pa_idxset_new(NULL, NULL); s->n_corked = 0; - pa_cvolume_reset(&s->volume, spec->channels); - s->muted = FALSE; + s->volume = data->volume; + s->muted = data->muted; s->refresh_volume = s->refresh_mute = FALSE; - s->get_latency = NULL; - s->set_volume = NULL; - s->get_volume = NULL; - s->set_mute = NULL; - s->get_mute = NULL; - s->set_state = NULL; + reset_callbacks(s); s->userdata = NULL; s->asyncmsgq = NULL; s->rtpoll = NULL; - s->silence = NULL; - - pa_assert_se(pa_idxset_put(core->sinks, s, &s->index) >= 0); - - pa_sample_spec_snprint(st, sizeof(st), spec); - pa_log_info("Created sink %u \"%s\" with sample spec \"%s\"", s->index, s->name, st); - n = pa_sprintf_malloc("%s.monitor", name); - - if (!(s->monitor_source = pa_source_new(core, driver, n, 0, spec, map))) - pa_log_warn("Failed to create monitor source."); - else { - char *d; - s->monitor_source->monitor_of = s; - d = pa_sprintf_malloc("Monitor Source of %s", s->name); - pa_source_set_description(s->monitor_source, d); - pa_xfree(d); - } + pa_silence_memchunk_get( + &core->silence_cache, + core->mempool, + &s->silence, + &s->sample_spec, + 0); - pa_xfree(n); + s->min_latency = DEFAULT_MIN_LATENCY; + s->max_latency = s->min_latency; s->thread_info.inputs = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func); s->thread_info.soft_volume = s->volume; s->thread_info.soft_muted = s->muted; s->thread_info.state = s->state; + s->thread_info.rewind_nbytes = 0; + s->thread_info.max_rewind = 0; + s->thread_info.requested_latency_valid = FALSE; + s->thread_info.requested_latency = 0; + + pa_assert_se(pa_idxset_put(core->sinks, s, &s->index) >= 0); + + pa_log_info("Created sink %u \"%s\" with sample spec %s and channel map %s", + s->index, + s->name, + pa_sample_spec_snprint(st, sizeof(st), &s->sample_spec), + pa_channel_map_snprint(cm, sizeof(cm), &s->channel_map)); + + pa_source_new_data_init(&source_data); + pa_source_new_data_set_sample_spec(&source_data, &s->sample_spec); + pa_source_new_data_set_channel_map(&source_data, &s->channel_map); + source_data.name = pa_sprintf_malloc("%s.monitor", name); + source_data.driver = data->driver; + source_data.module = data->module; + + dn = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION); + pa_proplist_setf(source_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Monitor of %s", dn ? dn : s->name); + pa_proplist_sets(source_data.proplist, PA_PROP_DEVICE_CLASS, "monitor"); + + s->monitor_source = pa_source_new(core, &source_data, 0); + + pa_source_new_data_done(&source_data); + + if (!s->monitor_source) { + pa_sink_unlink(s); + pa_sink_unref(s); + return NULL; + } + + s->monitor_source->monitor_of = s; + pa_source_set_max_rewind(s->monitor_source, s->thread_info.max_rewind); return s; } @@ -157,15 +264,16 @@ static int sink_set_state(pa_sink *s, pa_sink_state_t state) { return 0; suspend_change = - (s->state == PA_SINK_SUSPENDED && PA_SINK_OPENED(state)) || - (PA_SINK_OPENED(s->state) && state == PA_SINK_SUSPENDED); + (s->state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(state)) || + (PA_SINK_IS_OPENED(s->state) && state == PA_SINK_SUSPENDED); if (s->set_state) if ((ret = s->set_state(s, state)) < 0) return -1; - if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) < 0) - return -1; + if (s->asyncmsgq) + if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) < 0) + return -1; s->state = state; @@ -193,12 +301,17 @@ void pa_sink_put(pa_sink* s) { pa_assert(s->asyncmsgq); pa_assert(s->rtpoll); + pa_assert(!s->min_latency || !s->max_latency || s->min_latency <= s->max_latency); + + if (!(s->flags & PA_SINK_HW_VOLUME_CTRL)) + s->flags |= PA_SINK_DECIBEL_VOLUME; + pa_assert_se(sink_set_state(s, PA_SINK_IDLE) == 0); pa_source_put(s->monitor_source); pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_NEW, s->index); - pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_NEW_POST], s); + pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PUT], s); } void pa_sink_unlink(pa_sink* s) { @@ -215,7 +328,7 @@ void pa_sink_unlink(pa_sink* s) { * may be called multiple times on the same sink without bad * effects. */ - linked = PA_SINK_LINKED(s->state); + linked = PA_SINK_IS_LINKED(s->state); if (linked) pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK], s); @@ -235,12 +348,7 @@ void pa_sink_unlink(pa_sink* s) { else s->state = PA_SINK_UNLINKED; - s->get_latency = NULL; - s->get_volume = NULL; - s->set_volume = NULL; - s->set_mute = NULL; - s->get_mute = NULL; - s->set_state = NULL; + reset_callbacks(s); if (s->monitor_source) pa_source_unlink(s->monitor_source); @@ -258,7 +366,7 @@ static void sink_free(pa_object *o) { pa_assert(s); pa_assert(pa_sink_refcnt(s) == 0); - if (PA_SINK_LINKED(s->state)) + if (PA_SINK_IS_LINKED(s->state)) pa_sink_unlink(s); pa_log_info("Freeing sink %u \"%s\"", s->index, s->name); @@ -275,18 +383,20 @@ static void sink_free(pa_object *o) { pa_hashmap_free(s->thread_info.inputs, NULL, NULL); - if (s->silence) - pa_memblock_unref(s->silence); + if (s->silence.memblock) + pa_memblock_unref(s->silence.memblock); pa_xfree(s->name); - pa_xfree(s->description); pa_xfree(s->driver); + + if (s->proplist) + pa_proplist_free(s->proplist); + pa_xfree(s); } void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q) { pa_sink_assert_ref(s); - pa_assert(q); s->asyncmsgq = q; @@ -296,7 +406,6 @@ void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q) { void pa_sink_set_rtpoll(pa_sink *s, pa_rtpoll *p) { pa_sink_assert_ref(s); - pa_assert(p); s->rtpoll = p; if (s->monitor_source) @@ -305,7 +414,7 @@ void pa_sink_set_rtpoll(pa_sink *s, pa_rtpoll *p) { int pa_sink_update_status(pa_sink*s) { pa_sink_assert_ref(s); - pa_assert(PA_SINK_LINKED(s->state)); + pa_assert(PA_SINK_IS_LINKED(s->state)); if (s->state == PA_SINK_SUSPENDED) return 0; @@ -315,7 +424,7 @@ int pa_sink_update_status(pa_sink*s) { int pa_sink_suspend(pa_sink *s, pa_bool_t suspend) { pa_sink_assert_ref(s); - pa_assert(PA_SINK_LINKED(s->state)); + pa_assert(PA_SINK_IS_LINKED(s->state)); if (suspend) return sink_set_state(s, PA_SINK_SUSPENDED); @@ -323,17 +432,35 @@ int pa_sink_suspend(pa_sink *s, pa_bool_t suspend) { return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE); } -void pa_sink_ping(pa_sink *s) { +void pa_sink_process_rewind(pa_sink *s, size_t nbytes) { + pa_sink_input *i; + void *state = NULL; pa_sink_assert_ref(s); - pa_assert(PA_SINK_LINKED(s->state)); + pa_assert(PA_SINK_IS_LINKED(s->state)); + + /* Make sure the sink code already reset the counter! */ + pa_assert(s->thread_info.rewind_nbytes <= 0); + + if (nbytes <= 0) + return; + + pa_log_debug("Processing rewind..."); + + while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) { + pa_sink_input_assert_ref(i); + pa_sink_input_process_rewind(i, nbytes); + } + + if (s->monitor_source && PA_SOURCE_IS_OPENED(pa_source_get_state(s->monitor_source))) + pa_source_process_rewind(s->monitor_source, nbytes); - pa_asyncmsgq_post(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_PING, NULL, 0, NULL, NULL); } -static unsigned fill_mix_info(pa_sink *s, size_t length, pa_mix_info *info, unsigned maxinfo) { +static unsigned fill_mix_info(pa_sink *s, size_t *length, pa_mix_info *info, unsigned maxinfo) { pa_sink_input *i; unsigned n = 0; void *state = NULL; + size_t mixlength = *length; pa_sink_assert_ref(s); pa_assert(info); @@ -341,8 +468,16 @@ static unsigned fill_mix_info(pa_sink *s, size_t length, pa_mix_info *info, unsi while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)) && maxinfo > 0) { pa_sink_input_assert_ref(i); - if (pa_sink_input_peek(i, length, &info->chunk, &info->volume) < 0) + if (pa_sink_input_peek(i, *length, &info->chunk, &info->volume) < 0) + continue; + + if (mixlength == 0 || info->chunk.length < mixlength) + mixlength = info->chunk.length; + + if (pa_memblock_is_silence(info->chunk.memblock)) { + pa_memblock_unref(info->chunk.memblock); continue; + } info->userdata = pa_sink_input_ref(i); @@ -354,6 +489,9 @@ static unsigned fill_mix_info(pa_sink *s, size_t length, pa_mix_info *info, unsi maxinfo--; } + if (mixlength > 0) + *length = mixlength; + return n; } @@ -421,12 +559,14 @@ void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) { size_t block_size_max; pa_sink_assert_ref(s); - pa_assert(PA_SINK_OPENED(s->thread_info.state)); + pa_assert(PA_SINK_IS_OPENED(s->thread_info.state)); pa_assert(pa_frame_aligned(length, &s->sample_spec)); pa_assert(result); pa_sink_ref(s); + s->thread_info.rewind_nbytes = 0; + if (length <= 0) length = pa_frame_align(MIX_BUFFER_LENGTH, &s->sample_spec); @@ -436,24 +576,15 @@ void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) { pa_assert(length > 0); - n = s->thread_info.state == PA_SINK_RUNNING ? fill_mix_info(s, length, info, MAX_MIX_CHANNELS) : 0; + n = s->thread_info.state == PA_SINK_RUNNING ? fill_mix_info(s, &length, info, MAX_MIX_CHANNELS) : 0; if (n == 0) { - if (length > SILENCE_BUFFER_LENGTH) - length = pa_frame_align(SILENCE_BUFFER_LENGTH, &s->sample_spec); - - pa_assert(length > 0); - - if (!s->silence || pa_memblock_get_length(s->silence) < length) { - if (s->silence) - pa_memblock_unref(s->silence); - s->silence = pa_silence_memblock_new(s->core->mempool, &s->sample_spec, length); - } + *result = s->silence; + pa_memblock_ref(result->memblock); - result->memblock = pa_memblock_ref(s->silence); - result->length = length; - result->index = 0; + if (result->length > length) + result->length = length; } else if (n == 1) { pa_cvolume volume; @@ -467,6 +598,7 @@ void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) { pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume); if (s->thread_info.soft_muted || !pa_cvolume_is_norm(&volume)) { + pa_log("adjusting volume "); pa_memchunk_make_writable(result, 0); if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume)) pa_silence_memchunk(result, &s->sample_spec); @@ -478,7 +610,11 @@ void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) { result->memblock = pa_memblock_new(s->core->mempool, length); ptr = pa_memblock_acquire(result->memblock); - result->length = pa_mix(info, n, ptr, length, &s->sample_spec, &s->thread_info.soft_volume, s->thread_info.soft_muted); + result->length = pa_mix(info, n, + ptr, length, + &s->sample_spec, + &s->thread_info.soft_volume, + s->thread_info.soft_muted); pa_memblock_release(result->memblock); result->index = 0; @@ -487,7 +623,7 @@ void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) { if (s->thread_info.state == PA_SINK_RUNNING) inputs_drop(s, info, n, result->length); - if (s->monitor_source && PA_SOURCE_OPENED(pa_source_get_state(s->monitor_source))) + if (s->monitor_source && PA_SOURCE_IS_OPENED(pa_source_get_state(s->monitor_source))) pa_source_post(s->monitor_source, result); pa_sink_unref(s); @@ -496,9 +632,10 @@ void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) { void pa_sink_render_into(pa_sink*s, pa_memchunk *target) { pa_mix_info info[MAX_MIX_CHANNELS]; unsigned n; + size_t length, block_size_max; pa_sink_assert_ref(s); - pa_assert(PA_SINK_OPENED(s->thread_info.state)); + pa_assert(PA_SINK_IS_OPENED(s->thread_info.state)); pa_assert(target); pa_assert(target->memblock); pa_assert(target->length > 0); @@ -506,34 +643,46 @@ void pa_sink_render_into(pa_sink*s, pa_memchunk *target) { pa_sink_ref(s); - n = s->thread_info.state == PA_SINK_RUNNING ? fill_mix_info(s, target->length, info, MAX_MIX_CHANNELS) : 0; + s->thread_info.rewind_nbytes = 0; + + length = target->length; + block_size_max = pa_mempool_block_size_max(s->core->mempool); + if (length > block_size_max) + length = pa_frame_align(block_size_max, &s->sample_spec); + + n = s->thread_info.state == PA_SINK_RUNNING ? fill_mix_info(s, &length, info, MAX_MIX_CHANNELS) : 0; if (n == 0) { + if (target->length > length) + target->length = length; + pa_silence_memchunk(target, &s->sample_spec); } else if (n == 1) { - if (target->length > info[0].chunk.length) - target->length = info[0].chunk.length; + pa_cvolume volume; - if (s->thread_info.soft_muted) + if (target->length > length) + target->length = length; + + pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume); + + if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume)) pa_silence_memchunk(target, &s->sample_spec); else { - void *src, *ptr; - pa_cvolume volume; - - ptr = pa_memblock_acquire(target->memblock); - src = pa_memblock_acquire(info[0].chunk.memblock); + pa_memchunk vchunk; - memcpy((uint8_t*) ptr + target->index, - (uint8_t*) src + info[0].chunk.index, - target->length); + vchunk = info[0].chunk; + pa_memblock_ref(vchunk.memblock); - pa_memblock_release(target->memblock); - pa_memblock_release(info[0].chunk.memblock); + if (vchunk.length > target->length) + vchunk.length = target->length; - pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume); + if (!pa_cvolume_is_norm(&volume)) { + pa_memchunk_make_writable(&vchunk, 0); + pa_volume_memchunk(&vchunk, &s->sample_spec, &volume); + } - if (!pa_cvolume_is_norm(&volume)) - pa_volume_memchunk(target, &s->sample_spec, &volume); + pa_memchunk_memcpy(target, &vchunk); + pa_memblock_unref(vchunk.memblock); } } else { @@ -542,8 +691,7 @@ void pa_sink_render_into(pa_sink*s, pa_memchunk *target) { ptr = pa_memblock_acquire(target->memblock); target->length = pa_mix(info, n, - (uint8_t*) ptr + target->index, - target->length, + (uint8_t*) ptr + target->index, length, &s->sample_spec, &s->thread_info.soft_volume, s->thread_info.soft_muted); @@ -554,7 +702,7 @@ void pa_sink_render_into(pa_sink*s, pa_memchunk *target) { if (s->thread_info.state == PA_SINK_RUNNING) inputs_drop(s, info, n, target->length); - if (s->monitor_source && PA_SOURCE_OPENED(pa_source_get_state(s->monitor_source))) + if (s->monitor_source && PA_SOURCE_IS_OPENED(pa_source_get_state(s->monitor_source))) pa_source_post(s->monitor_source, target); pa_sink_unref(s); @@ -565,7 +713,7 @@ void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target) { size_t l, d; pa_sink_assert_ref(s); - pa_assert(PA_SINK_OPENED(s->thread_info.state)); + pa_assert(PA_SINK_IS_OPENED(s->thread_info.state)); pa_assert(target); pa_assert(target->memblock); pa_assert(target->length > 0); @@ -573,6 +721,8 @@ void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target) { pa_sink_ref(s); + s->thread_info.rewind_nbytes = 0; + l = target->length; d = 0; while (l > 0) { @@ -591,11 +741,13 @@ void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target) { void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result) { pa_sink_assert_ref(s); - pa_assert(PA_SINK_OPENED(s->thread_info.state)); + pa_assert(PA_SINK_IS_OPENED(s->thread_info.state)); pa_assert(length > 0); pa_assert(pa_frame_aligned(length, &s->sample_spec)); pa_assert(result); + s->thread_info.rewind_nbytes = 0; + /*** This needs optimization ***/ result->index = 0; @@ -605,50 +757,16 @@ void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result) { pa_sink_render_into_full(s, result); } -void pa_sink_skip(pa_sink *s, size_t length) { - pa_sink_input *i; - void *state = NULL; - - pa_sink_assert_ref(s); - pa_assert(PA_SINK_OPENED(s->thread_info.state)); - pa_assert(length > 0); - pa_assert(pa_frame_aligned(length, &s->sample_spec)); - - if (pa_source_used_by(s->monitor_source)) { - pa_memchunk chunk; - - /* If something is connected to our monitor source, we have to - * pass valid data to it */ - - while (length > 0) { - pa_sink_render(s, length, &chunk); - pa_memblock_unref(chunk.memblock); - - pa_assert(chunk.length <= length); - length -= chunk.length; - } - - } else { - /* Ok, noone cares about the rendered data, so let's not even render it */ - - while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) { - pa_sink_input_assert_ref(i); - pa_sink_input_drop(i, length); - } - } -} - pa_usec_t pa_sink_get_latency(pa_sink *s) { pa_usec_t usec = 0; pa_sink_assert_ref(s); - pa_assert(PA_SINK_LINKED(s->state)); + pa_assert(PA_SINK_IS_LINKED(s->state)); - if (!PA_SINK_OPENED(s->state)) - return 0; + /* The returned value is supposed to be in the time domain of the sound card! */ - if (s->get_latency) - return s->get_latency(s); + if (!PA_SINK_IS_OPENED(s->state)) + return 0; if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0) return 0; @@ -660,7 +778,7 @@ void pa_sink_set_volume(pa_sink *s, const pa_cvolume *volume) { int changed; pa_sink_assert_ref(s); - pa_assert(PA_SINK_LINKED(s->state)); + pa_assert(PA_SINK_IS_LINKED(s->state)); pa_assert(volume); changed = !pa_cvolume_equal(volume, &s->volume); @@ -680,7 +798,7 @@ const pa_cvolume *pa_sink_get_volume(pa_sink *s) { struct pa_cvolume old_volume; pa_sink_assert_ref(s); - pa_assert(PA_SINK_LINKED(s->state)); + pa_assert(PA_SINK_IS_LINKED(s->state)); old_volume = s->volume; @@ -700,7 +818,7 @@ void pa_sink_set_mute(pa_sink *s, pa_bool_t mute) { int changed; pa_sink_assert_ref(s); - pa_assert(PA_SINK_LINKED(s->state)); + pa_assert(PA_SINK_IS_LINKED(s->state)); changed = s->muted != mute; s->muted = mute; @@ -719,7 +837,7 @@ pa_bool_t pa_sink_get_mute(pa_sink *s) { pa_bool_t old_muted; pa_sink_assert_ref(s); - pa_assert(PA_SINK_LINKED(s->state)); + pa_assert(PA_SINK_IS_LINKED(s->state)); old_muted = s->muted; @@ -735,43 +853,34 @@ pa_bool_t pa_sink_get_mute(pa_sink *s) { return s->muted; } -void pa_sink_set_module(pa_sink *s, pa_module *m) { - pa_sink_assert_ref(s); - - if (s->module == m) - return; - - s->module = m; - - if (s->monitor_source) - pa_source_set_module(s->monitor_source, m); - - pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); -} - void pa_sink_set_description(pa_sink *s, const char *description) { + const char *old; pa_sink_assert_ref(s); - if (!description && !s->description) + if (!description && !pa_proplist_contains(s->proplist, PA_PROP_DEVICE_DESCRIPTION)) return; - if (description && s->description && !strcmp(description, s->description)) + old = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION); + + if (old && description && !strcmp(old, description)) return; - pa_xfree(s->description); - s->description = pa_xstrdup(description); + if (description) + pa_proplist_sets(s->proplist, PA_PROP_DEVICE_DESCRIPTION, description); + else + pa_proplist_unset(s->proplist, PA_PROP_DEVICE_DESCRIPTION); if (s->monitor_source) { char *n; - n = pa_sprintf_malloc("Monitor Source of %s", s->description? s->description : s->name); + n = pa_sprintf_malloc("Monitor Source of %s", description ? description : s->name); pa_source_set_description(s->monitor_source, n); pa_xfree(n); } - if (PA_SINK_LINKED(s->state)) { + if (PA_SINK_IS_LINKED(s->state)) { pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); - pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_DESCRIPTION_CHANGED], s); + pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], s); } } @@ -779,7 +888,7 @@ unsigned pa_sink_linked_by(pa_sink *s) { unsigned ret; pa_sink_assert_ref(s); - pa_assert(PA_SINK_LINKED(s->state)); + pa_assert(PA_SINK_IS_LINKED(s->state)); ret = pa_idxset_size(s->inputs); @@ -796,16 +905,15 @@ unsigned pa_sink_used_by(pa_sink *s) { unsigned ret; pa_sink_assert_ref(s); - pa_assert(PA_SINK_LINKED(s->state)); + pa_assert(PA_SINK_IS_LINKED(s->state)); ret = pa_idxset_size(s->inputs); pa_assert(ret >= s->n_corked); - ret -= s->n_corked; /* Streams connected to our monitor source do not matter for * pa_sink_used_by()!.*/ - return ret; + return ret - s->n_corked; } int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) { @@ -817,6 +925,11 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse case PA_SINK_MESSAGE_ADD_INPUT: { pa_sink_input *i = PA_SINK_INPUT(userdata); + + /* If you change anything here, make sure to change the + * sink input handling a few lines down at + * PA_SINK_MESSAGE_FINISH_MOVE, too. */ + pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i)); /* Since the caller sleeps in pa_sink_input_put(), we can @@ -841,9 +954,16 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse if (i->attach) i->attach(i); - /* If you change anything here, make sure to change the - * ghost sink input handling a few lines down at - * PA_SINK_MESSAGE_REMOVE_INPUT_AND_BUFFER, too. */ + pa_sink_input_set_state_within_thread(i, i->state); + + pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind); + + pa_sink_invalidate_requested_latency(s); + + /* We don't rewind here automatically. This is left to the + * sink input implementor because some sink inputs need a + * slow start, i.e. need some time to buffer client + * samples before beginning streaming. */ return 0; } @@ -853,7 +973,9 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse /* If you change anything here, make sure to change the * sink input handling a few lines down at - * PA_SINK_MESSAGE_REMOVE_INPUT_AND_BUFFER, too. */ + * PA_SINK_MESSAGE_PREPAPRE_MOVE, too. */ + + pa_sink_input_set_state_within_thread(i, i->state); if (i->detach) i->detach(i); @@ -881,82 +1003,93 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse if (pa_hashmap_remove(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index))) pa_sink_input_unref(i); + pa_sink_invalidate_requested_latency(s); + pa_sink_request_rewind(s, 0); + return 0; } - case PA_SINK_MESSAGE_REMOVE_INPUT_AND_BUFFER: { - pa_sink_input_move_info *info = userdata; - int volume_is_norm; + case PA_SINK_MESSAGE_START_MOVE: { + pa_sink_input *i = PA_SINK_INPUT(userdata); /* We don't support moving synchronized streams. */ - pa_assert(!info->sink_input->sync_prev); - pa_assert(!info->sink_input->sync_next); - pa_assert(!info->sink_input->thread_info.sync_next); - pa_assert(!info->sink_input->thread_info.sync_prev); + pa_assert(!i->sync_prev); + pa_assert(!i->sync_next); + pa_assert(!i->thread_info.sync_next); + pa_assert(!i->thread_info.sync_prev); - if (info->sink_input->detach) - info->sink_input->detach(info->sink_input); + if (i->thread_info.state != PA_SINK_INPUT_CORKED) { + pa_usec_t usec = 0; + size_t sink_nbytes, total_nbytes; - pa_assert(info->sink_input->thread_info.attached); - info->sink_input->thread_info.attached = FALSE; + /* Get the latency of the sink */ + if (PA_MSGOBJECT(s)->process_msg(PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0) + usec = 0; - if (info->ghost_sink_input) { - pa_assert(info->buffer_bytes > 0); - pa_assert(info->buffer); + sink_nbytes = pa_usec_to_bytes(usec, &s->sample_spec); + total_nbytes = sink_nbytes + pa_memblockq_get_length(i->thread_info.render_memblockq); - volume_is_norm = pa_cvolume_is_norm(&info->sink_input->thread_info.volume); + if (total_nbytes > 0) { + i->thread_info.rewrite_nbytes = i->thread_info.resampler ? pa_resampler_request(i->thread_info.resampler, total_nbytes) : total_nbytes; + i->thread_info.rewrite_flush = TRUE; + pa_sink_input_process_rewind(i, sink_nbytes); + } + } - pa_log_debug("Buffering %lu bytes ...", (unsigned long) info->buffer_bytes); + if (i->detach) + i->detach(i); - while (info->buffer_bytes > 0) { - pa_memchunk memchunk; - pa_cvolume volume; - size_t n; + pa_assert(i->thread_info.attached); + i->thread_info.attached = FALSE; - if (pa_sink_input_peek(info->sink_input, info->buffer_bytes, &memchunk, &volume) < 0) - break; + /* Let's remove the sink input ...*/ + if (pa_hashmap_remove(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index))) + pa_sink_input_unref(i); - n = memchunk.length > info->buffer_bytes ? info->buffer_bytes : memchunk.length; - pa_sink_input_drop(info->sink_input, n); - memchunk.length = n; + pa_sink_invalidate_requested_latency(s); - if (!volume_is_norm) { - pa_memchunk_make_writable(&memchunk, 0); - pa_volume_memchunk(&memchunk, &s->sample_spec, &volume); - } + pa_log_debug("Requesting rewind due to started move"); + pa_sink_request_rewind(s, 0); - if (pa_memblockq_push(info->buffer, &memchunk) < 0) { - pa_memblock_unref(memchunk.memblock); - break; - } + return 0; + } - pa_memblock_unref(memchunk.memblock); - info->buffer_bytes -= n; - } + case PA_SINK_MESSAGE_FINISH_MOVE: { + pa_sink_input *i = PA_SINK_INPUT(userdata); - /* Add the remaining already resampled chunk to the buffer */ - if (info->sink_input->thread_info.resampled_chunk.memblock) - pa_memblockq_push(info->buffer, &info->sink_input->thread_info.resampled_chunk); + /* We don't support moving synchronized streams. */ + pa_assert(!i->sync_prev); + pa_assert(!i->sync_next); + pa_assert(!i->thread_info.sync_next); + pa_assert(!i->thread_info.sync_prev); - pa_memblockq_sink_input_set_queue(info->ghost_sink_input, info->buffer); + pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i)); - pa_log_debug("Buffered %lu bytes ...", (unsigned long) pa_memblockq_get_length(info->buffer)); - } + pa_assert(!i->thread_info.attached); + i->thread_info.attached = TRUE; - /* Let's remove the sink input ...*/ - if (pa_hashmap_remove(s->thread_info.inputs, PA_UINT32_TO_PTR(info->sink_input->index))) - pa_sink_input_unref(info->sink_input); + if (i->attach) + i->attach(i); + + pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind); - /* .. and add the ghost sink input instead */ - if (info->ghost_sink_input) { - pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(info->ghost_sink_input->index), pa_sink_input_ref(info->ghost_sink_input)); - info->ghost_sink_input->thread_info.sync_prev = info->ghost_sink_input->thread_info.sync_next = NULL; + pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency); - pa_assert(!info->ghost_sink_input->thread_info.attached); - info->ghost_sink_input->thread_info.attached = TRUE; + if (i->thread_info.state != PA_SINK_INPUT_CORKED) { + pa_usec_t usec = 0; + size_t nbytes; - if (info->ghost_sink_input->attach) - info->ghost_sink_input->attach(info->ghost_sink_input); + /* Get the latency of the sink */ + if (PA_MSGOBJECT(s)->process_msg(PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0) + usec = 0; + + nbytes = pa_usec_to_bytes(usec, &s->sample_spec); + + if (nbytes > 0) + pa_sink_input_drop(i, nbytes); + + pa_log_debug("Requesting rewind due to finished move"); + pa_sink_request_rewind(s, nbytes); } return 0; @@ -964,10 +1097,14 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse case PA_SINK_MESSAGE_SET_VOLUME: s->thread_info.soft_volume = *((pa_cvolume*) userdata); + + pa_sink_request_rewind(s, 0); return 0; case PA_SINK_MESSAGE_SET_MUTE: s->thread_info.soft_muted = PA_PTR_TO_UINT(userdata); + + pa_sink_request_rewind(s, 0); return 0; case PA_SINK_MESSAGE_GET_VOLUME: @@ -978,9 +1115,6 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse *((pa_bool_t*) userdata) = s->thread_info.soft_muted; return 0; - case PA_SINK_MESSAGE_PING: - return 0; - case PA_SINK_MESSAGE_SET_STATE: s->thread_info.state = PA_PTR_TO_UINT(userdata); @@ -992,13 +1126,20 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse * asyncmsgq and rtpoll fields can be changed without * problems */ pa_sink_detach_within_thread(s); - break; + return 0; case PA_SINK_MESSAGE_ATTACH: /* Reattach all streams */ pa_sink_attach_within_thread(s); - break; + return 0; + + case PA_SINK_MESSAGE_GET_REQUESTED_LATENCY: { + + pa_usec_t *usec = userdata; + *usec = pa_sink_get_requested_latency_within_thread(s); + return 0; + } case PA_SINK_MESSAGE_GET_LATENCY: case PA_SINK_MESSAGE_MAX: @@ -1023,14 +1164,14 @@ int pa_sink_suspend_all(pa_core *c, pa_bool_t suspend) { void pa_sink_detach(pa_sink *s) { pa_sink_assert_ref(s); - pa_assert(PA_SINK_LINKED(s->state)); + pa_assert(PA_SINK_IS_LINKED(s->state)); pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_DETACH, NULL, 0, NULL); } void pa_sink_attach(pa_sink *s) { pa_sink_assert_ref(s); - pa_assert(PA_SINK_LINKED(s->state)); + pa_assert(PA_SINK_IS_LINKED(s->state)); pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_ATTACH, NULL, 0, NULL); } @@ -1040,7 +1181,7 @@ void pa_sink_detach_within_thread(pa_sink *s) { void *state = NULL; pa_sink_assert_ref(s); - pa_assert(PA_SINK_LINKED(s->thread_info.state)); + pa_assert(PA_SINK_IS_LINKED(s->thread_info.state)); while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) if (i->detach) @@ -1055,7 +1196,7 @@ void pa_sink_attach_within_thread(pa_sink *s) { void *state = NULL; pa_sink_assert_ref(s); - pa_assert(PA_SINK_LINKED(s->thread_info.state)); + pa_assert(PA_SINK_IS_LINKED(s->thread_info.state)); while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) if (i->attach) @@ -1064,3 +1205,98 @@ void pa_sink_attach_within_thread(pa_sink *s) { if (s->monitor_source) pa_source_attach_within_thread(s->monitor_source); } + +void pa_sink_request_rewind(pa_sink*s, size_t nbytes) { + pa_sink_assert_ref(s); + pa_assert(PA_SINK_IS_LINKED(s->thread_info.state)); + + if (nbytes <= 0) + nbytes = s->thread_info.max_rewind; + + nbytes = PA_MIN(nbytes, s->thread_info.max_rewind); + + if (nbytes <= s->thread_info.rewind_nbytes) + return; + + s->thread_info.rewind_nbytes = nbytes; + + if (s->request_rewind) + s->request_rewind(s); +} + +pa_usec_t pa_sink_get_requested_latency_within_thread(pa_sink *s) { + pa_usec_t result = (pa_usec_t) -1; + pa_sink_input *i; + void *state = NULL; + + pa_sink_assert_ref(s); + + if (s->thread_info.requested_latency_valid) + return s->thread_info.requested_latency; + + while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) + + if (i->thread_info.requested_sink_latency != (pa_usec_t) -1 && + (result == (pa_usec_t) -1 || result > i->thread_info.requested_sink_latency)) + result = i->thread_info.requested_sink_latency; + + if (result != (pa_usec_t) -1) { + if (s->max_latency > 0 && result > s->max_latency) + result = s->max_latency; + + if (s->min_latency > 0 && result < s->min_latency) + result = s->min_latency; + } + + s->thread_info.requested_latency = result; + s->thread_info.requested_latency_valid = TRUE; + + return result; +} + +pa_usec_t pa_sink_get_requested_latency(pa_sink *s) { + pa_usec_t usec = 0; + + pa_sink_assert_ref(s); + pa_assert(PA_SINK_IS_LINKED(s->state)); + + if (!PA_SINK_IS_OPENED(s->state)) + return 0; + + if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) < 0) + return 0; + + if (usec == (pa_usec_t) -1) + usec = s->max_latency; + + return usec; +} + +void pa_sink_set_max_rewind(pa_sink *s, size_t max_rewind) { + pa_sink_input *i; + void *state = NULL; + + pa_sink_assert_ref(s); + + if (max_rewind == s->thread_info.max_rewind) + return; + + s->thread_info.max_rewind = max_rewind; + + while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) + pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind); + + if (s->monitor_source) + pa_source_set_max_rewind(s->monitor_source, s->thread_info.max_rewind); +} + +void pa_sink_invalidate_requested_latency(pa_sink *s) { + + pa_sink_assert_ref(s); + pa_assert(PA_SINK_IS_LINKED(s->thread_info.state)); + + s->thread_info.requested_latency_valid = FALSE; + + if (s->update_requested_latency) + s->update_requested_latency(s); +} diff --git a/src/pulsecore/sink.h b/src/pulsecore/sink.h index e9969309..f297c8f1 100644 --- a/src/pulsecore/sink.h +++ b/src/pulsecore/sink.h @@ -33,7 +33,6 @@ typedef struct pa_sink pa_sink; #include #include -#include #include #include #include @@ -52,11 +51,11 @@ typedef enum pa_sink_state { PA_SINK_UNLINKED } pa_sink_state_t; -static inline pa_bool_t PA_SINK_OPENED(pa_sink_state_t x) { +static inline pa_bool_t PA_SINK_IS_OPENED(pa_sink_state_t x) { return x == PA_SINK_RUNNING || x == PA_SINK_IDLE; } -static inline pa_bool_t PA_SINK_LINKED(pa_sink_state_t x) { +static inline pa_bool_t PA_SINK_IS_LINKED(pa_sink_state_t x) { return x == PA_SINK_RUNNING || x == PA_SINK_IDLE || x == PA_SINK_SUSPENDED; } @@ -69,7 +68,8 @@ struct pa_sink { pa_sink_flags_t flags; char *name; - char *description, *driver; /* may be NULL */ + char *driver; /* may be NULL */ + pa_proplist *proplist; pa_module *module; /* may be NULL */ @@ -85,16 +85,47 @@ struct pa_sink { pa_bool_t refresh_volume; pa_bool_t refresh_mute; - int (*set_state)(pa_sink *s, pa_sink_state_t state); /* may be NULL */ - int (*set_volume)(pa_sink *s); /* dito */ - int (*get_volume)(pa_sink *s); /* dito */ - int (*get_mute)(pa_sink *s); /* dito */ - int (*set_mute)(pa_sink *s); /* dito */ - pa_usec_t (*get_latency)(pa_sink *s); /* dito */ - pa_asyncmsgq *asyncmsgq; pa_rtpoll *rtpoll; + pa_memchunk silence; + + pa_usec_t min_latency; /* we won't go below this latency */ + pa_usec_t max_latency; /* An upper limit for the latencies */ + + /* Called when the main loop requests a state change. Called from + * main loop context. If returns -1 the state change will be + * inhibited */ + int (*set_state)(pa_sink *s, pa_sink_state_t state); /* may be NULL */ + + /* Callled when the volume is queried. Called from main loop + * context. If this is NULL a PA_SINK_MESSAGE_GET_VOLUME message + * will be sent to the IO thread instead. */ + int (*get_volume)(pa_sink *s); /* may be null */ + + /* Called when the volume shall be changed. Called from main loop + * context. If this is NULL a PA_SINK_MESSAGE_SET_VOLUME message + * will be sent to the IO thread instead. */ + int (*set_volume)(pa_sink *s); /* dito */ + + /* Called when the mute setting is queried. Called from main loop + * context. If this is NULL a PA_SINK_MESSAGE_GET_MUTE message + * will be sent to the IO thread instead. */ + int (*get_mute)(pa_sink *s); /* dito */ + + /* Called when the mute setting shall be changed. Called from main + * loop context. If this is NULL a PA_SINK_MESSAGE_SET_MUTE + * message will be sent to the IO thread instead. */ + int (*set_mute)(pa_sink *s); /* dito */ + + /* Called when a rewind request is issued. Called from IO thread + * context. */ + void (*request_rewind)(pa_sink *s); /* dito */ + + /* Called when a the requested latency is changed. Called from IO + * thread context. */ + void (*update_requested_latency)(pa_sink *s); /* dito */ + /* Contains copies of the above data so that the real-time worker * thread can work without access locking */ struct { @@ -102,9 +133,17 @@ struct pa_sink { pa_hashmap *inputs; pa_cvolume soft_volume; pa_bool_t soft_muted; - } thread_info; - pa_memblock *silence; + pa_bool_t requested_latency_valid; + pa_usec_t requested_latency; + + /* The number of bytes we need keep around to be able to satisfy + * every DMA buffer rewrite */ + size_t max_rewind; + + /* Maximum of what clients requested to rewind in this cycle */ + size_t rewind_nbytes; + } thread_info; void *userdata; }; @@ -120,28 +159,52 @@ typedef enum pa_sink_message { PA_SINK_MESSAGE_GET_MUTE, PA_SINK_MESSAGE_SET_MUTE, PA_SINK_MESSAGE_GET_LATENCY, + PA_SINK_MESSAGE_GET_REQUESTED_LATENCY, PA_SINK_MESSAGE_SET_STATE, - PA_SINK_MESSAGE_PING, - PA_SINK_MESSAGE_REMOVE_INPUT_AND_BUFFER, + PA_SINK_MESSAGE_START_MOVE, + PA_SINK_MESSAGE_FINISH_MOVE, PA_SINK_MESSAGE_ATTACH, PA_SINK_MESSAGE_DETACH, PA_SINK_MESSAGE_MAX } pa_sink_message_t; +typedef struct pa_sink_new_data { + char *name; + pa_bool_t namereg_fail; + pa_proplist *proplist; + + const char *driver; + pa_module *module; + + pa_sample_spec sample_spec; + pa_bool_t sample_spec_is_set; + pa_channel_map channel_map; + pa_bool_t channel_map_is_set; + + pa_cvolume volume; + pa_bool_t volume_is_set; + pa_bool_t muted; + pa_bool_t muted_is_set; +} pa_sink_new_data; + +pa_sink_new_data* pa_sink_new_data_init(pa_sink_new_data *data); +void pa_sink_new_data_set_name(pa_sink_new_data *data, const char *name); +void pa_sink_new_data_set_sample_spec(pa_sink_new_data *data, const pa_sample_spec *spec); +void pa_sink_new_data_set_channel_map(pa_sink_new_data *data, const pa_channel_map *map); +void pa_sink_new_data_set_volume(pa_sink_new_data *data, const pa_cvolume *volume); +void pa_sink_new_data_set_muted(pa_sink_new_data *data, pa_bool_t mute); +void pa_sink_new_data_done(pa_sink_new_data *data); + /* To be called exclusively by the sink driver, from main context */ pa_sink* pa_sink_new( pa_core *core, - const char *driver, - const char *name, - int namereg_fail, - const pa_sample_spec *spec, - const pa_channel_map *map); + pa_sink_new_data *data, + pa_sink_flags_t flags); void pa_sink_put(pa_sink *s); void pa_sink_unlink(pa_sink* s); -void pa_sink_set_module(pa_sink *sink, pa_module *m); void pa_sink_set_description(pa_sink *s, const char *description); void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q); void pa_sink_set_rtpoll(pa_sink *s, pa_rtpoll *p); @@ -151,17 +214,14 @@ void pa_sink_attach(pa_sink *s); /* May be called by everyone, from main context */ +/* The returned value is supposed to be in the time domain of the sound card! */ pa_usec_t pa_sink_get_latency(pa_sink *s); +pa_usec_t pa_sink_get_requested_latency(pa_sink *s); int pa_sink_update_status(pa_sink*s); int pa_sink_suspend(pa_sink *s, pa_bool_t suspend); int pa_sink_suspend_all(pa_core *c, pa_bool_t suspend); -/* Sends a ping message to the sink thread, to make it wake up and - * check for data to process even if there is no real message is - * sent */ -void pa_sink_ping(pa_sink *s); - void pa_sink_set_volume(pa_sink *sink, const pa_cvolume *volume); const pa_cvolume *pa_sink_get_volume(pa_sink *sink); void pa_sink_set_mute(pa_sink *sink, pa_bool_t mute); @@ -178,11 +238,21 @@ void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result); void pa_sink_render_into(pa_sink*s, pa_memchunk *target); void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target); -void pa_sink_skip(pa_sink *s, size_t length); +void pa_sink_process_rewind(pa_sink *s, size_t nbytes); int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk); void pa_sink_attach_within_thread(pa_sink *s); void pa_sink_detach_within_thread(pa_sink *s); +pa_usec_t pa_sink_get_requested_latency_within_thread(pa_sink *s); + +void pa_sink_set_max_rewind(pa_sink *s, size_t max_rewind); + +/* To be called exclusively by sink input drivers, from IO context */ + +void pa_sink_request_rewind(pa_sink*s, size_t nbytes); + +void pa_sink_invalidate_requested_latency(pa_sink *s); + #endif diff --git a/src/pulsecore/socket-client.c b/src/pulsecore/socket-client.c index 5b5bc5ca..a99193b7 100644 --- a/src/pulsecore/socket-client.c +++ b/src/pulsecore/socket-client.c @@ -77,9 +77,9 @@ struct pa_socket_client { pa_io_event *io_event; pa_time_event *timeout_event; pa_defer_event *defer_event; - void (*callback)(pa_socket_client*c, pa_iochannel *io, void *userdata); + pa_socket_client_cb_t callback; void *userdata; - int local; + pa_bool_t local; #ifdef HAVE_LIBASYNCNS asyncns_t *asyncns; asyncns_query_t * asyncns_query; @@ -87,7 +87,7 @@ struct pa_socket_client { #endif }; -static pa_socket_client*pa_socket_client_new(pa_mainloop_api *m) { +static pa_socket_client* socket_client_new(pa_mainloop_api *m) { pa_socket_client *c; pa_assert(m); @@ -96,11 +96,11 @@ static pa_socket_client*pa_socket_client_new(pa_mainloop_api *m) { c->mainloop = m; c->fd = -1; c->io_event = NULL; - c->defer_event = NULL; c->timeout_event = NULL; + c->defer_event = NULL; c->callback = NULL; c->userdata = NULL; - c->local = 0; + c->local = FALSE; #ifdef HAVE_LIBASYNCNS c->asyncns = NULL; @@ -119,15 +119,15 @@ static void free_events(pa_socket_client *c) { c->io_event = NULL; } - if (c->defer_event) { - c->mainloop->defer_free(c->defer_event); - c->defer_event = NULL; - } - if (c->timeout_event) { c->mainloop->time_free(c->timeout_event); c->timeout_event = NULL; } + + if (c->defer_event) { + c->mainloop->defer_free(c->defer_event); + c->defer_event = NULL; + } } static void do_call(pa_socket_client *c) { @@ -177,7 +177,7 @@ finish: pa_socket_client_unref(c); } -static void connect_fixed_cb(pa_mainloop_api *m, pa_defer_event *e, void *userdata) { +static void connect_defer_cb(pa_mainloop_api *m, pa_defer_event *e, void *userdata) { pa_socket_client *c = userdata; pa_assert(m); @@ -223,7 +223,7 @@ static int do_connect(pa_socket_client *c, const struct sockaddr *sa, socklen_t pa_assert_se(c->io_event = c->mainloop->io_new(c->mainloop, c->fd, PA_IO_EVENT_OUTPUT, connect_io_cb, c)); } else - pa_assert_se(c->defer_event = c->mainloop->defer_new(c->mainloop, connect_fixed_cb, c)); + pa_assert_se(c->defer_event = c->mainloop->defer_new(c->mainloop, connect_defer_cb, c)); return 0; } @@ -252,8 +252,7 @@ pa_socket_client* pa_socket_client_new_unix(pa_mainloop_api *m, const char *file memset(&sa, 0, sizeof(sa)); sa.sun_family = AF_UNIX; - strncpy(sa.sun_path, filename, sizeof(sa.sun_path)-1); - sa.sun_path[sizeof(sa.sun_path) - 1] = 0; + pa_strlcpy(sa.sun_path, filename, sizeof(sa.sun_path)); return pa_socket_client_new_sockaddr(m, (struct sockaddr*) &sa, sizeof(sa)); } @@ -273,7 +272,7 @@ static int sockaddr_prepare(pa_socket_client *c, const struct sockaddr *sa, size switch (sa->sa_family) { case AF_UNIX: - c->local = 1; + c->local = TRUE; break; case AF_INET: @@ -285,7 +284,7 @@ static int sockaddr_prepare(pa_socket_client *c, const struct sockaddr *sa, size break; default: - c->local = 0; + c->local = FALSE; } if ((c->fd = socket(sa->sa_family, SOCK_STREAM, 0)) < 0) { @@ -294,6 +293,7 @@ static int sockaddr_prepare(pa_socket_client *c, const struct sockaddr *sa, size } pa_make_fd_cloexec(c->fd); + if (sa->sa_family == AF_INET || sa->sa_family == AF_INET6) pa_make_tcp_socket_low_delay(c->fd); else @@ -312,7 +312,7 @@ pa_socket_client* pa_socket_client_new_sockaddr(pa_mainloop_api *m, const struct pa_assert(sa); pa_assert(salen > 0); - pa_assert_se(c = pa_socket_client_new(m)); + pa_assert_se(c = socket_client_new(m)); if (sockaddr_prepare(c, sa, salen) < 0) goto fail; @@ -361,7 +361,7 @@ pa_socket_client* pa_socket_client_ref(pa_socket_client *c) { return c; } -void pa_socket_client_set_callback(pa_socket_client *c, void (*on_connection)(pa_socket_client *c, pa_iochannel*io, void *userdata), void *userdata) { +void pa_socket_client_set_callback(pa_socket_client *c, pa_socket_client_cb_t on_connection, void *userdata) { pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); @@ -489,23 +489,22 @@ pa_socket_client* pa_socket_client_new_string(pa_mainloop_api *m, const char*nam hints.ai_family = a.type == PA_PARSED_ADDRESS_TCP4 ? PF_INET : (a.type == PA_PARSED_ADDRESS_TCP6 ? PF_INET6 : PF_UNSPEC); hints.ai_socktype = SOCK_STREAM; -#ifdef HAVE_LIBASYNCNS +#if defined(HAVE_LIBASYNCNS) { asyncns_t *asyncns; if (!(asyncns = asyncns_new(1))) goto finish; - c = pa_socket_client_new(m); + pa_assert_se(c = socket_client_new(m)); c->asyncns = asyncns; c->asyncns_io_event = m->io_new(m, asyncns_fd(c->asyncns), PA_IO_EVENT_INPUT, asyncns_cb, c); c->asyncns_query = asyncns_getaddrinfo(c->asyncns, a.path_or_host, port, &hints); pa_assert(c->asyncns_query); start_timeout(c); } -#else /* HAVE_LIBASYNCNS */ +#elif defined(HAVE_GETADDRINFO) { -#ifdef HAVE_GETADDRINFO int ret; struct addrinfo *res = NULL; @@ -520,7 +519,9 @@ pa_socket_client* pa_socket_client_new_string(pa_mainloop_api *m, const char*nam } freeaddrinfo(res); -#else /* HAVE_GETADDRINFO */ + } +#else + { struct hostent *host = NULL; struct sockaddr_in s; @@ -546,7 +547,6 @@ pa_socket_client* pa_socket_client_new_string(pa_mainloop_api *m, const char*nam if ((c = pa_socket_client_new_sockaddr(m, (struct sockaddr*)&s, sizeof(s)))) start_timeout(c); -#endif /* HAVE_GETADDRINFO */ } #endif /* HAVE_LIBASYNCNS */ } @@ -561,7 +561,7 @@ finish: /* Return non-zero when the target sockaddr is considered local. "local" means UNIX socket or TCP socket on localhost. Other local IP addresses are not considered local. */ -int pa_socket_client_is_local(pa_socket_client *c) { +pa_bool_t pa_socket_client_is_local(pa_socket_client *c) { pa_assert(c); pa_assert(PA_REFCNT_VALUE(c) >= 1); diff --git a/src/pulsecore/socket-client.h b/src/pulsecore/socket-client.h index b1d58eff..41e8c3bd 100644 --- a/src/pulsecore/socket-client.h +++ b/src/pulsecore/socket-client.h @@ -34,17 +34,19 @@ struct sockaddr; typedef struct pa_socket_client pa_socket_client; +typedef void (*pa_socket_client_cb_t)(pa_socket_client *c, pa_iochannel*io, void *userdata); + pa_socket_client* pa_socket_client_new_ipv4(pa_mainloop_api *m, uint32_t address, uint16_t port); pa_socket_client* pa_socket_client_new_ipv6(pa_mainloop_api *m, uint8_t address[16], uint16_t port); pa_socket_client* pa_socket_client_new_unix(pa_mainloop_api *m, const char *filename); pa_socket_client* pa_socket_client_new_sockaddr(pa_mainloop_api *m, const struct sockaddr *sa, size_t salen); pa_socket_client* pa_socket_client_new_string(pa_mainloop_api *m, const char *a, uint16_t default_port); -void pa_socket_client_unref(pa_socket_client *c); pa_socket_client* pa_socket_client_ref(pa_socket_client *c); +void pa_socket_client_unref(pa_socket_client *c); -void pa_socket_client_set_callback(pa_socket_client *c, void (*on_connection)(pa_socket_client *c, pa_iochannel*io, void *userdata), void *userdata); +void pa_socket_client_set_callback(pa_socket_client *c, pa_socket_client_cb_t on_connection, void *userdata); -int pa_socket_client_is_local(pa_socket_client *c); +pa_bool_t pa_socket_client_is_local(pa_socket_client *c); #endif diff --git a/src/pulsecore/sound-file-stream.c b/src/pulsecore/sound-file-stream.c index bb1f3e9a..e209676f 100644 --- a/src/pulsecore/sound-file-stream.c +++ b/src/pulsecore/sound-file-stream.c @@ -3,7 +3,7 @@ /*** This file is part of PulseAudio. - Copyright 2004-2006 Lennart Poettering + Copyright 2004-2008 Lennart Poettering PulseAudio is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published @@ -41,17 +41,23 @@ #include #include #include +#include #include "sound-file-stream.h" +#define MEMBLOCKQ_MAXLENGTH (16*1024*1024) + typedef struct file_stream { pa_msgobject parent; pa_core *core; - SNDFILE *sndfile; pa_sink_input *sink_input; - pa_memchunk memchunk; + + SNDFILE *sndfile; sf_count_t (*readf_function)(SNDFILE *sndfile, void *ptr, sf_count_t frames); - size_t drop; + + /* We need this memblockq here to easily fulfill rewind requests + * (even beyond the file start!) */ + pa_memblockq *memblockq; } file_stream; enum { @@ -62,6 +68,7 @@ PA_DECLARE_CLASS(file_stream); #define FILE_STREAM(o) (file_stream_cast(o)) static PA_DEFINE_CHECK_TYPE(file_stream, pa_msgobject); +/* Called from main context */ static void file_stream_unlink(file_stream *u) { pa_assert(u); @@ -69,7 +76,6 @@ static void file_stream_unlink(file_stream *u) { return; pa_sink_input_unlink(u->sink_input); - pa_sink_input_unref(u->sink_input); u->sink_input = NULL; @@ -77,14 +83,13 @@ static void file_stream_unlink(file_stream *u) { file_stream_unref(u); } +/* Called from main context */ static void file_stream_free(pa_object *o) { file_stream *u = FILE_STREAM(o); pa_assert(u); - file_stream_unlink(u); - - if (u->memchunk.memblock) - pa_memblock_unref(u->memchunk.memblock); + if (u->memblockq) + pa_memblockq_free(u->memblockq); if (u->sndfile) sf_close(u->sndfile); @@ -92,6 +97,7 @@ static void file_stream_free(pa_object *o) { pa_xfree(u); } +/* Called from main context */ static int file_stream_process_msg(pa_msgobject *o, int code, void*userdata, int64_t offset, pa_memchunk *chunk) { file_stream *u = FILE_STREAM(o); file_stream_assert_ref(u); @@ -105,117 +111,128 @@ static int file_stream_process_msg(pa_msgobject *o, int code, void*userdata, int return 0; } +/* Called from main context */ static void sink_input_kill_cb(pa_sink_input *i) { + file_stream *u; + pa_sink_input_assert_ref(i); + u = FILE_STREAM(i->userdata); + file_stream_assert_ref(u); - file_stream_unlink(FILE_STREAM(i->userdata)); + file_stream_unlink(u); } -static int sink_input_peek_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk) { +/* Called from IO thread context */ +static void sink_input_state_change_cb(pa_sink_input *i, pa_sink_input_state_t state) { file_stream *u; - pa_assert(i); - pa_assert(chunk); + pa_sink_input_assert_ref(i); u = FILE_STREAM(i->userdata); file_stream_assert_ref(u); - if (!u->sndfile) - return -1; + /* If we are added for the first time, ask for a rewinding so that + * we are heard right-away. */ + if (PA_SINK_INPUT_IS_LINKED(state) && + i->thread_info.state == PA_SINK_INPUT_INIT) + pa_sink_input_request_rewind(i, 0, FALSE, TRUE); +} - for (;;) { +/* Called from IO thread context */ +static int sink_input_pop_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk) { + file_stream *u; - if (!u->memchunk.memblock) { + pa_sink_input_assert_ref(i); + pa_assert(chunk); + u = FILE_STREAM(i->userdata); + file_stream_assert_ref(u); - u->memchunk.memblock = pa_memblock_new(i->sink->core->mempool, length); - u->memchunk.index = 0; + if (!u->memblockq) + return -1; - if (u->readf_function) { - sf_count_t n; - void *p; - size_t fs = pa_frame_size(&i->sample_spec); + pa_log_debug("pop: %lu", (unsigned long) length); - p = pa_memblock_acquire(u->memchunk.memblock); - n = u->readf_function(u->sndfile, p, length/fs); - pa_memblock_release(u->memchunk.memblock); + for (;;) { + pa_memchunk tchunk; + size_t fs; + void *p; + sf_count_t n; + + if (pa_memblockq_peek(u->memblockq, chunk) >= 0) { + pa_memblockq_drop(u->memblockq, chunk->length); + return 0; + } - if (n <= 0) - n = 0; + if (!u->sndfile) + break; - u->memchunk.length = n * fs; - } else { - sf_count_t n; - void *p; + tchunk.memblock = pa_memblock_new(i->sink->core->mempool, length); + tchunk.index = 0; - p = pa_memblock_acquire(u->memchunk.memblock); - n = sf_read_raw(u->sndfile, p, length); - pa_memblock_release(u->memchunk.memblock); + p = pa_memblock_acquire(tchunk.memblock); - if (n <= 0) - n = 0; + if (u->readf_function) { + fs = pa_frame_size(&i->sample_spec); + n = u->readf_function(u->sndfile, p, length/fs); + } else { + fs = 1; + n = sf_read_raw(u->sndfile, p, length); + } - u->memchunk.length = n; - } + pa_memblock_release(tchunk.memblock); - if (u->memchunk.length <= 0) { + if (n <= 0) { + pa_memblock_unref(tchunk.memblock); - pa_memblock_unref(u->memchunk.memblock); - pa_memchunk_reset(&u->memchunk); + sf_close(u->sndfile); + u->sndfile = NULL; + break; + } - pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(u), FILE_STREAM_MESSAGE_UNLINK, NULL, 0, NULL, NULL); + tchunk.length = n * fs; - sf_close(u->sndfile); - u->sndfile = NULL; + pa_memblockq_push(u->memblockq, &tchunk); + pa_memblock_unref(tchunk.memblock); + } - return -1; - } - } + pa_log_debug("peek fail"); - pa_assert(u->memchunk.memblock); - pa_assert(u->memchunk.length > 0); + if (pa_sink_input_safe_to_remove(i)) { + pa_log_debug("completed to play"); - if (u->drop < u->memchunk.length) { - u->memchunk.index += u->drop; - u->memchunk.length -= u->drop; - u->drop = 0; - break; - } + pa_memblockq_free(u->memblockq); + u->memblockq = NULL; - u->drop -= u->memchunk.length; - pa_memblock_unref(u->memchunk.memblock); - pa_memchunk_reset(&u->memchunk); + pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(u), FILE_STREAM_MESSAGE_UNLINK, NULL, 0, NULL, NULL); } - *chunk = u->memchunk; - pa_memblock_ref(chunk->memblock); + return -1; + } - pa_assert(chunk->length > 0); - pa_assert(u->drop <= 0); +static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes) { + file_stream *u; - return 0; + pa_sink_input_assert_ref(i); + pa_assert(nbytes > 0); + u = FILE_STREAM(i->userdata); + file_stream_assert_ref(u); + + if (!u->memblockq) + return; + + pa_memblockq_rewind(u->memblockq, nbytes); } -static void sink_input_drop_cb(pa_sink_input *i, size_t length) { +static void sink_input_update_max_rewind_cb(pa_sink_input *i, size_t nbytes) { file_stream *u; - pa_assert(i); - pa_assert(length > 0); + pa_sink_input_assert_ref(i); u = FILE_STREAM(i->userdata); file_stream_assert_ref(u); - if (u->memchunk.memblock) { - - if (length < u->memchunk.length) { - u->memchunk.index += length; - u->memchunk.length -= length; - return; - } - - length -= u->memchunk.length; - pa_memblock_unref(u->memchunk.memblock); - pa_memchunk_reset(&u->memchunk); - } + if (!u->memblockq) + return; - u->drop += length; + pa_memblockq_set_maxrewind(u->memblockq, nbytes); } int pa_play_file( @@ -237,10 +254,9 @@ int pa_play_file( u->parent.process_msg = file_stream_process_msg; u->core = sink->core; u->sink_input = NULL; - pa_memchunk_reset(&u->memchunk); u->sndfile = NULL; u->readf_function = NULL; - u->drop = 0; + u->memblockq = NULL; memset(&sfinfo, 0, sizeof(sfinfo)); @@ -312,18 +328,26 @@ int pa_play_file( pa_sink_input_new_data_init(&data); data.sink = sink; data.driver = __FILE__; - data.name = fname; pa_sink_input_new_data_set_sample_spec(&data, &ss); pa_sink_input_new_data_set_volume(&data, volume); + pa_proplist_sets(data.proplist, PA_PROP_MEDIA_NAME, fname); + pa_proplist_sets(data.proplist, PA_PROP_MEDIA_FILENAME, fname); - if (!(u->sink_input = pa_sink_input_new(sink->core, &data, 0))) + u->sink_input = pa_sink_input_new(sink->core, &data, 0); + pa_sink_input_new_data_done(&data); + + if (!u->sink_input) goto fail; - u->sink_input->peek = sink_input_peek_cb; - u->sink_input->drop = sink_input_drop_cb; + u->sink_input->pop = sink_input_pop_cb; + u->sink_input->process_rewind = sink_input_process_rewind_cb; + u->sink_input->update_max_rewind = sink_input_update_max_rewind_cb; u->sink_input->kill = sink_input_kill_cb; + u->sink_input->state_change = sink_input_state_change_cb; u->sink_input->userdata = u; + u->memblockq = pa_memblockq_new(0, MEMBLOCKQ_MAXLENGTH, 0, pa_frame_size(&ss), 1, 1, 0, NULL); + pa_sink_input_put(u->sink_input); /* The reference to u is dangling here, because we want to keep diff --git a/src/pulsecore/source-output.c b/src/pulsecore/source-output.c index 88c11469..5c36937a 100644 --- a/src/pulsecore/source-output.c +++ b/src/pulsecore/source-output.c @@ -32,12 +32,16 @@ #include #include +#include #include #include #include +#include #include "source-output.h" +#define MEMBLOCKQ_MAXLENGTH (32*1024*1024) + static PA_DEFINE_CHECK_TYPE(pa_source_output, pa_msgobject); static void source_output_free(pa_object* mo); @@ -47,9 +51,18 @@ pa_source_output_new_data* pa_source_output_new_data_init(pa_source_output_new_d memset(data, 0, sizeof(*data)); data->resample_method = PA_RESAMPLER_INVALID; + data->proplist = pa_proplist_new(); + return data; } +void pa_source_output_new_data_set_sample_spec(pa_source_output_new_data *data, const pa_sample_spec *spec) { + pa_assert(data); + + if ((data->sample_spec_is_set = !!spec)) + data->sample_spec = *spec; +} + void pa_source_output_new_data_set_channel_map(pa_source_output_new_data *data, const pa_channel_map *map) { pa_assert(data); @@ -57,11 +70,25 @@ void pa_source_output_new_data_set_channel_map(pa_source_output_new_data *data, data->channel_map = *map; } -void pa_source_output_new_data_set_sample_spec(pa_source_output_new_data *data, const pa_sample_spec *spec) { +void pa_source_output_new_data_done(pa_source_output_new_data *data) { pa_assert(data); - if ((data->sample_spec_is_set = !!spec)) - data->sample_spec = *spec; + pa_proplist_free(data->proplist); +} + +static void reset_callbacks(pa_source_output *o) { + pa_assert(o); + + o->push = NULL; + o->process_rewind = NULL; + o->update_max_rewind = NULL; + o->attach = NULL; + o->detach = NULL; + o->suspend = NULL; + o->moved = NULL; + o->kill = NULL; + o->get_latency = NULL; + o->state_change = NULL; } pa_source_output* pa_source_output_new( @@ -80,7 +107,6 @@ pa_source_output* pa_source_output_new( return NULL; pa_return_null_if_fail(!data->driver || pa_utf8_valid(data->driver)); - pa_return_null_if_fail(!data->name || pa_utf8_valid(data->name)); if (!data->source) data->source = pa_namereg_get(core, NULL, PA_NAMEREG_SOURCE, 1); @@ -156,7 +182,7 @@ pa_source_output* pa_source_output_new( o->core = core; o->state = PA_SOURCE_OUTPUT_INIT; o->flags = flags; - o->name = pa_xstrdup(data->name); + o->proplist = pa_proplist_copy(data->proplist); o->driver = pa_xstrdup(data->driver); o->module = data->module; o->source = data->source; @@ -166,26 +192,31 @@ pa_source_output* pa_source_output_new( o->sample_spec = data->sample_spec; o->channel_map = data->channel_map; - o->push = NULL; - o->kill = NULL; - o->get_latency = NULL; - o->detach = NULL; - o->attach = NULL; - o->suspend = NULL; - o->moved = NULL; + reset_callbacks(o); o->userdata = NULL; o->thread_info.state = o->state; o->thread_info.attached = FALSE; o->thread_info.sample_spec = o->sample_spec; o->thread_info.resampler = resampler; + o->thread_info.requested_source_latency = (pa_usec_t) -1; + + o->thread_info.delay_memblockq = pa_memblockq_new( + 0, + MEMBLOCKQ_MAXLENGTH, + 0, + pa_frame_size(&o->source->sample_spec), + 0, + 1, + 0, + &o->source->silence); pa_assert_se(pa_idxset_put(core->source_outputs, o, &o->index) == 0); pa_assert_se(pa_idxset_put(o->source->outputs, pa_source_output_ref(o), NULL) == 0); pa_log_info("Created output %u \"%s\" on %s with sample spec %s and channel map %s", o->index, - o->name, + pa_strnull(pa_proplist_gets(o->proplist, PA_PROP_MEDIA_NAME)), o->source->name, pa_sample_spec_snprint(st, sizeof(st), &o->sample_spec), pa_channel_map_snprint(cm, sizeof(cm), &o->channel_map)); @@ -195,22 +226,27 @@ pa_source_output* pa_source_output_new( return o; } -static int source_output_set_state(pa_source_output *o, pa_source_output_state_t state) { +static void update_n_corked(pa_source_output *o, pa_source_output_state_t state) { pa_assert(o); - if (o->state == state) - return 0; - - if (pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) < 0) - return -1; - if (o->state == PA_SOURCE_OUTPUT_CORKED && state != PA_SOURCE_OUTPUT_CORKED) pa_assert_se(o->source->n_corked -- >= 1); else if (o->state != PA_SOURCE_OUTPUT_CORKED && state == PA_SOURCE_OUTPUT_CORKED) o->source->n_corked++; pa_source_update_status(o->source); +} +static int source_output_set_state(pa_source_output *o, pa_source_output_state_t state) { + pa_assert(o); + + if (o->state == state) + return 0; + + if (pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) < 0) + return -1; + + update_n_corked(o, state); o->state = state; if (state != PA_SOURCE_OUTPUT_UNLINKED) @@ -228,7 +264,7 @@ void pa_source_output_unlink(pa_source_output*o) { pa_source_output_ref(o); - linked = PA_SOURCE_OUTPUT_LINKED(o->state); + linked = PA_SOURCE_OUTPUT_IS_LINKED(o->state); if (linked) pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK], o); @@ -237,20 +273,14 @@ void pa_source_output_unlink(pa_source_output*o) { if (pa_idxset_remove_by_data(o->source->outputs, o, NULL)) pa_source_output_unref(o); - if (linked) { - pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_REMOVE_OUTPUT, o, 0, NULL); - source_output_set_state(o, PA_SOURCE_OUTPUT_UNLINKED); - pa_source_update_status(o->source); - } else - o->state = PA_SOURCE_OUTPUT_UNLINKED; + update_n_corked(o, PA_SOURCE_OUTPUT_UNLINKED); + o->state = PA_SOURCE_OUTPUT_UNLINKED; - o->push = NULL; - o->kill = NULL; - o->get_latency = NULL; - o->attach = NULL; - o->detach = NULL; - o->suspend = NULL; - o->moved = NULL; + if (linked) + if (o->source->asyncmsgq) + pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_REMOVE_OUTPUT, o, 0, NULL); + + reset_callbacks(o); if (linked) { pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_REMOVE, o->index); @@ -264,45 +294,50 @@ void pa_source_output_unlink(pa_source_output*o) { static void source_output_free(pa_object* mo) { pa_source_output *o = PA_SOURCE_OUTPUT(mo); + pa_assert(o); pa_assert(pa_source_output_refcnt(o) == 0); - if (PA_SOURCE_OUTPUT_LINKED(o->state)) + if (PA_SOURCE_OUTPUT_IS_LINKED(o->state)) pa_source_output_unlink(o); - pa_log_info("Freeing output %u \"%s\"", o->index, o->name); + pa_log_info("Freeing output %u \"%s\"", o->index, pa_strnull(pa_proplist_gets(o->proplist, PA_PROP_MEDIA_NAME))); pa_assert(!o->thread_info.attached); + if (o->thread_info.delay_memblockq) + pa_memblockq_free(o->thread_info.delay_memblockq); + if (o->thread_info.resampler) pa_resampler_free(o->thread_info.resampler); - pa_xfree(o->name); + if (o->proplist) + pa_proplist_free(o->proplist); + pa_xfree(o->driver); pa_xfree(o); } void pa_source_output_put(pa_source_output *o) { + pa_source_output_state_t state; pa_source_output_assert_ref(o); pa_assert(o->state == PA_SOURCE_OUTPUT_INIT); pa_assert(o->push); - o->thread_info.state = o->state = o->flags & PA_SOURCE_OUTPUT_START_CORKED ? PA_SOURCE_OUTPUT_CORKED : PA_SOURCE_OUTPUT_RUNNING; + state = o->flags & PA_SOURCE_OUTPUT_START_CORKED ? PA_SOURCE_OUTPUT_CORKED : PA_SOURCE_OUTPUT_RUNNING; - if (o->state == PA_SOURCE_OUTPUT_CORKED) - o->source->n_corked++; + update_n_corked(o, state); + o->state = state; pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_ADD_OUTPUT, o, 0, NULL); - pa_source_update_status(o->source); pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_NEW, o->index); - pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_PUT], o); } void pa_source_output_kill(pa_source_output*o) { pa_source_output_assert_ref(o); - pa_assert(PA_SOURCE_OUTPUT_LINKED(o->state)); + pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state)); if (o->kill) o->kill(o); @@ -312,7 +347,7 @@ pa_usec_t pa_source_output_get_latency(pa_source_output *o) { pa_usec_t r = 0; pa_source_output_assert_ref(o); - pa_assert(PA_SOURCE_OUTPUT_LINKED(o->state)); + pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state)); if (pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_GET_LATENCY, &r, 0, NULL) < 0) r = 0; @@ -325,42 +360,169 @@ pa_usec_t pa_source_output_get_latency(pa_source_output *o) { /* Called from thread context */ void pa_source_output_push(pa_source_output *o, const pa_memchunk *chunk) { - pa_memchunk rchunk; + size_t length; + size_t limit, mbs = 0; pa_source_output_assert_ref(o); - pa_assert(PA_SOURCE_OUTPUT_LINKED(o->thread_info.state)); + pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->thread_info.state)); pa_assert(chunk); - pa_assert(chunk->length); + pa_assert(pa_frame_aligned(chunk->length, &o->source->sample_spec)); if (!o->push || o->state == PA_SOURCE_OUTPUT_CORKED) return; pa_assert(o->state == PA_SOURCE_OUTPUT_RUNNING); - if (!o->thread_info.resampler) { - o->push(o, chunk); - return; + if (pa_memblockq_push(o->thread_info.delay_memblockq, chunk) < 0) { + pa_log_debug("Delay queue overflow!"); + pa_memblockq_seek(o->thread_info.delay_memblockq, chunk->length, PA_SEEK_RELATIVE); } - pa_resampler_run(o->thread_info.resampler, chunk, &rchunk); - if (!rchunk.length) + limit = o->process_rewind ? 0 : o->source->thread_info.max_rewind; + + /* Implement the delay queue */ + while ((length = pa_memblockq_get_length(o->thread_info.delay_memblockq)) > limit) { + pa_memchunk qchunk; + + length -= limit; + + pa_assert_se(pa_memblockq_peek(o->thread_info.delay_memblockq, &qchunk) >= 0); + + if (qchunk.length > length) + qchunk.length = length; + + pa_assert(qchunk.length > 0); + + if (!o->thread_info.resampler) + o->push(o, &qchunk); + else { + pa_memchunk rchunk; + + if (mbs == 0) + mbs = pa_resampler_max_block_size(o->thread_info.resampler); + + if (qchunk.length > mbs) + qchunk.length = mbs; + + pa_resampler_run(o->thread_info.resampler, &qchunk, &rchunk); + + if (rchunk.length > 0) + o->push(o, &rchunk); + + pa_memblock_unref(rchunk.memblock); + } + + pa_memblock_unref(qchunk.memblock); + pa_memblockq_drop(o->thread_info.delay_memblockq, qchunk.length); + } +} + +/* Called from thread context */ +void pa_source_output_process_rewind(pa_source_output *o, size_t nbytes /* in sink sample spec */) { + pa_source_output_assert_ref(o); + + pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state)); + pa_assert(pa_frame_aligned(nbytes, &o->source->sample_spec)); + + if (nbytes <= 0) return; - pa_assert(rchunk.memblock); - o->push(o, &rchunk); - pa_memblock_unref(rchunk.memblock); + if (o->process_rewind) { + pa_assert(pa_memblockq_get_length(o->thread_info.delay_memblockq) == 0); + + if (o->thread_info.resampler) + nbytes = pa_resampler_result(o->thread_info.resampler, nbytes); + + pa_log_debug("Have to rewind %lu bytes on implementor.", (unsigned long) nbytes); + + if (nbytes > 0) + o->process_rewind(o, nbytes); + + if (o->thread_info.resampler) + pa_resampler_reset(o->thread_info.resampler); + + } else + pa_memblockq_rewind(o->thread_info.delay_memblockq, nbytes); +} + +/* Called from thread context */ +void pa_source_output_update_max_rewind(pa_source_output *o, size_t nbytes /* in the source's sample spec */) { + pa_source_output_assert_ref(o); + pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->thread_info.state)); + pa_assert(pa_frame_aligned(nbytes, &o->source->sample_spec)); + + if (o->update_max_rewind) + o->update_max_rewind(o, o->thread_info.resampler ? pa_resampler_result(o->thread_info.resampler, nbytes) : nbytes); +} + +static pa_usec_t fixup_latency(pa_source *s, pa_usec_t usec) { + pa_source_assert_ref(s); + + if (usec == (pa_usec_t) -1) + return usec; + + if (s->max_latency > 0 && usec > s->max_latency) + usec = s->max_latency; + + if (s->min_latency > 0 && usec < s->min_latency) + usec = s->min_latency; + + return usec; +} + +pa_usec_t pa_source_output_set_requested_latency_within_thread(pa_source_output *o, pa_usec_t usec) { + pa_source_output_assert_ref(o); + + usec = fixup_latency(o->source, usec); + + o->thread_info.requested_source_latency = usec; + pa_source_invalidate_requested_latency(o->source); + + return usec; +} + +pa_usec_t pa_source_output_set_requested_latency(pa_source_output *o, pa_usec_t usec) { + pa_source_output_assert_ref(o); + + usec = fixup_latency(o->source, usec); + + if (PA_SOURCE_OUTPUT_IS_LINKED(o->state)) + pa_asyncmsgq_post(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_SET_REQUESTED_LATENCY, NULL, (int64_t) usec, NULL, NULL); + else { + /* If this sink input is not realized yet, we have to touch + * the thread info data directly */ + o->thread_info.requested_source_latency = usec; + o->source->thread_info.requested_latency_valid = FALSE; + } + + return usec; +} + +pa_usec_t pa_source_output_get_requested_latency(pa_source_output *o) { + pa_usec_t usec = 0; + + pa_source_output_assert_ref(o); + + if (PA_SOURCE_OUTPUT_IS_LINKED(o->state)) + pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL); + else + /* If this sink input is not realized yet, we have to touch + * the thread info data directly */ + usec = o->thread_info.requested_source_latency; + + return usec; } void pa_source_output_cork(pa_source_output *o, pa_bool_t b) { pa_source_output_assert_ref(o); - pa_assert(PA_SOURCE_OUTPUT_LINKED(o->state)); + pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state)); source_output_set_state(o, b ? PA_SOURCE_OUTPUT_CORKED : PA_SOURCE_OUTPUT_RUNNING); } int pa_source_output_set_rate(pa_source_output *o, uint32_t rate) { pa_source_output_assert_ref(o); - pa_assert(PA_SOURCE_OUTPUT_LINKED(o->state)); + pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state)); pa_return_val_if_fail(o->thread_info.resampler, -1); if (o->sample_spec.rate == rate) @@ -375,19 +537,24 @@ int pa_source_output_set_rate(pa_source_output *o, uint32_t rate) { } void pa_source_output_set_name(pa_source_output *o, const char *name) { + const char *old; pa_source_output_assert_ref(o); - if (!o->name && !name) + if (!name && !pa_proplist_contains(o->proplist, PA_PROP_MEDIA_NAME)) return; - if (o->name && name && !strcmp(o->name, name)) + old = pa_proplist_gets(o->proplist, PA_PROP_MEDIA_NAME); + + if (old && name && !strcmp(old, name)) return; - pa_xfree(o->name); - o->name = pa_xstrdup(name); + if (name) + pa_proplist_sets(o->proplist, PA_PROP_MEDIA_NAME, name); + else + pa_proplist_unset(o->proplist, PA_PROP_MEDIA_NAME); - if (PA_SOURCE_OUTPUT_LINKED(o->state)) { - pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_NAME_CHANGED], o); + if (PA_SOURCE_OUTPUT_IS_LINKED(o->state)) { + pa_hook_fire(&o->source->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_PROPLIST_CHANGED], o); pa_subscription_post(o->source->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index); } } @@ -400,11 +567,11 @@ pa_resample_method_t pa_source_output_get_resample_method(pa_source_output *o) { int pa_source_output_move_to(pa_source_output *o, pa_source *dest) { pa_source *origin; - pa_resampler *new_resampler = NULL; + pa_resampler *new_resampler; pa_source_output_move_hook_data hook_data; pa_source_output_assert_ref(o); - pa_assert(PA_SOURCE_OUTPUT_LINKED(o->state)); + pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state)); pa_source_assert_ref(dest); origin = o->source; @@ -444,7 +611,8 @@ int pa_source_output_move_to(pa_source_output *o, pa_source *dest) { pa_log_warn("Unsupported resampling operation."); return -1; } - } + } else + new_resampler = NULL; hook_data.source_output = o; hook_data.destination = dest; @@ -467,13 +635,25 @@ int pa_source_output_move_to(pa_source_output *o, pa_source *dest) { if (o->thread_info.resampler) pa_resampler_free(o->thread_info.resampler); o->thread_info.resampler = new_resampler; - } - pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_ADD_OUTPUT, o, 0, NULL); + pa_memblockq_free(o->thread_info.delay_memblockq); + + o->thread_info.delay_memblockq = pa_memblockq_new( + 0, + MEMBLOCKQ_MAXLENGTH, + 0, + pa_frame_size(&o->source->sample_spec), + 0, + 1, + 0, + &o->source->silence); + } pa_source_update_status(origin); pa_source_update_status(dest); + pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_ADD_OUTPUT, o, 0, NULL); + if (o->moved) o->moved(o); @@ -487,26 +667,54 @@ int pa_source_output_move_to(pa_source_output *o, pa_source *dest) { return 0; } +void pa_source_output_set_state_within_thread(pa_source_output *o, pa_source_output_state_t state) { + pa_source_output_assert_ref(o); + + if (state == o->thread_info.state) + return; + + if (o->state_change) + o->state_change(o, state); + + o->thread_info.state = state; +} + /* Called from thread context */ int pa_source_output_process_msg(pa_msgobject *mo, int code, void *userdata, int64_t offset, pa_memchunk* chunk) { pa_source_output *o = PA_SOURCE_OUTPUT(mo); pa_source_output_assert_ref(o); - pa_assert(PA_SOURCE_OUTPUT_LINKED(o->thread_info.state)); + pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->thread_info.state)); switch (code) { - case PA_SOURCE_OUTPUT_MESSAGE_SET_RATE: { + case PA_SOURCE_OUTPUT_MESSAGE_GET_LATENCY: { + pa_usec_t *r = userdata; + + *r += pa_bytes_to_usec(pa_memblockq_get_length(o->thread_info.delay_memblockq), &o->source->sample_spec); + return 0; + } + + case PA_SOURCE_OUTPUT_MESSAGE_SET_RATE: o->thread_info.sample_spec.rate = PA_PTR_TO_UINT(userdata); pa_resampler_set_output_rate(o->thread_info.resampler, PA_PTR_TO_UINT(userdata)); + return 0; + + case PA_SOURCE_OUTPUT_MESSAGE_SET_STATE: + pa_source_output_set_state_within_thread(o, PA_PTR_TO_UINT(userdata)); + return 0; + + case PA_SOURCE_OUTPUT_MESSAGE_SET_REQUESTED_LATENCY: + + pa_source_output_set_requested_latency_within_thread(o, (pa_usec_t) offset); return 0; - } - case PA_SOURCE_OUTPUT_MESSAGE_SET_STATE: { - o->thread_info.state = PA_PTR_TO_UINT(userdata); + case PA_SINK_INPUT_MESSAGE_GET_REQUESTED_LATENCY: { + pa_usec_t *r = userdata; + *r = o->thread_info.requested_source_latency; return 0; } } diff --git a/src/pulsecore/source-output.h b/src/pulsecore/source-output.h index d6da8d00..2dadb5c4 100644 --- a/src/pulsecore/source-output.h +++ b/src/pulsecore/source-output.h @@ -42,7 +42,7 @@ typedef enum pa_source_output_state { PA_SOURCE_OUTPUT_UNLINKED } pa_source_output_state_t; -static inline pa_bool_t PA_SOURCE_OUTPUT_LINKED(pa_source_output_state_t x) { +static inline pa_bool_t PA_SOURCE_OUTPUT_IS_LINKED(pa_source_output_state_t x) { return x == PA_SOURCE_OUTPUT_RUNNING || x == PA_SOURCE_OUTPUT_CORKED; } @@ -62,10 +62,12 @@ struct pa_source_output { uint32_t index; pa_core *core; + pa_source_output_state_t state; pa_source_output_flags_t flags; - char *name, *driver; /* may be NULL */ + pa_proplist *proplist; + char *driver; /* may be NULL */ pa_module *module; /* may be NULL */ pa_client *client; /* may be NULL */ @@ -74,10 +76,20 @@ struct pa_source_output { pa_sample_spec sample_spec; pa_channel_map channel_map; + pa_resample_method_t resample_method; + /* Pushes a new memchunk into the output. Called from IO thread * context. */ void (*push)(pa_source_output *o, const pa_memchunk *chunk); + /* Only relevant for monitor sources right now: called when the + * recorded stream is rewound. Called from IO context*/ + void (*process_rewind)(pa_source_output *o, size_t nbytes); + + /* Called whenever the maximum rewindable size of the source + * changes. Called from IO thread context. */ + void (*update_max_rewind) (pa_source_output *o, size_t nbytes); /* may be NULL */ + /* If non-NULL this function is called when the output is first * connected to a source. Called from IO thread context */ void (*attach) (pa_source_output *o); /* may be NULL */ @@ -86,14 +98,14 @@ struct pa_source_output { * disconnected from its source. Called from IO thread context */ void (*detach) (pa_source_output *o); /* may be NULL */ - /* If non-NULL called whenever the the source this output is attached - * to changes. Called from main context */ - void (*moved) (pa_source_output *o); /* may be NULL */ - /* If non-NULL called whenever the the source this output is attached * to suspends or resumes. Called from main context */ void (*suspend) (pa_source_output *o, pa_bool_t b); /* may be NULL */ + /* If non-NULL called whenever the the source this output is attached + * to changes. Called from main context */ + void (*moved) (pa_source_output *o); /* may be NULL */ + /* Supposed to unlink and destroy this stream. Called from main * context. */ void (*kill)(pa_source_output* o); /* may be NULL */ @@ -104,7 +116,9 @@ struct pa_source_output { thread instead. */ pa_usec_t (*get_latency) (pa_source_output *o); /* may be NULL */ - pa_resample_method_t resample_method; + /* If non_NULL this function is called from thread context if the + * state changes. The old state is found in thread_info.state. */ + void (*state_change) (pa_source_output *o, pa_source_output_state_t state); /* may be NULL */ struct { pa_source_output_state_t state; @@ -114,6 +128,13 @@ struct pa_source_output { pa_sample_spec sample_spec; pa_resampler* resampler; /* may be NULL */ + + /* We maintain a delay memblockq here for source outputs that + * don't implement rewind() */ + pa_memblockq *delay_memblockq; + + /* The requested latency for the source */ + pa_usec_t requested_source_latency; } thread_info; void *userdata; @@ -126,11 +147,15 @@ enum { PA_SOURCE_OUTPUT_MESSAGE_GET_LATENCY, PA_SOURCE_OUTPUT_MESSAGE_SET_RATE, PA_SOURCE_OUTPUT_MESSAGE_SET_STATE, + PA_SOURCE_OUTPUT_MESSAGE_SET_REQUESTED_LATENCY, + PA_SOURCE_OUTPUT_MESSAGE_GET_REQUESTED_LATENCY, PA_SOURCE_OUTPUT_MESSAGE_MAX }; typedef struct pa_source_output_new_data { - const char *name, *driver; + pa_proplist *proplist; + + const char *driver; pa_module *module; pa_client *client; @@ -144,16 +169,16 @@ typedef struct pa_source_output_new_data { pa_resample_method_t resample_method; } pa_source_output_new_data; +pa_source_output_new_data* pa_source_output_new_data_init(pa_source_output_new_data *data); +void pa_source_output_new_data_set_sample_spec(pa_source_output_new_data *data, const pa_sample_spec *spec); +void pa_source_output_new_data_set_channel_map(pa_source_output_new_data *data, const pa_channel_map *map); +void pa_source_output_new_data_done(pa_source_output_new_data *data); + typedef struct pa_source_output_move_hook_data { pa_source_output *source_output; pa_source *destination; } pa_source_output_move_hook_data; -pa_source_output_new_data* pa_source_output_new_data_init(pa_source_output_new_data *data); -void pa_source_output_new_data_set_sample_spec(pa_source_output_new_data *data, const pa_sample_spec *spec); -void pa_source_output_new_data_set_channel_map(pa_source_output_new_data *data, const pa_channel_map *map); -void pa_source_output_new_data_set_volume(pa_source_output_new_data *data, const pa_cvolume *volume); - /* To be called by the implementing module only */ pa_source_output* pa_source_output_new( @@ -166,6 +191,12 @@ void pa_source_output_unlink(pa_source_output*o); void pa_source_output_set_name(pa_source_output *i, const char *name); +pa_usec_t pa_source_output_set_requested_latency(pa_source_output *i, pa_usec_t usec); + +void pa_source_output_cork(pa_source_output *i, pa_bool_t b); + +int pa_source_output_set_rate(pa_source_output *o, uint32_t rate); + /* Callable by everyone */ /* External code may request disconnection with this funcion */ @@ -173,19 +204,24 @@ void pa_source_output_kill(pa_source_output*o); pa_usec_t pa_source_output_get_latency(pa_source_output *i); -void pa_source_output_cork(pa_source_output *i, pa_bool_t b); - -int pa_source_output_set_rate(pa_source_output *o, uint32_t rate); - pa_resample_method_t pa_source_output_get_resample_method(pa_source_output *o); int pa_source_output_move_to(pa_source_output *o, pa_source *dest); #define pa_source_output_get_state(o) ((o)->state) +pa_usec_t pa_source_output_get_requested_latency(pa_source_output *o); + /* To be used exclusively by the source driver thread */ void pa_source_output_push(pa_source_output *o, const pa_memchunk *chunk); +void pa_source_output_process_rewind(pa_source_output *o, size_t nbytes); +void pa_source_output_update_max_rewind(pa_source_output *o, size_t nbytes); + +void pa_source_output_set_state_within_thread(pa_source_output *o, pa_source_output_state_t state); + int pa_source_output_process_msg(pa_msgobject *mo, int code, void *userdata, int64_t offset, pa_memchunk *chunk); +pa_usec_t pa_source_output_set_requested_latency_within_thread(pa_source_output *o, pa_usec_t usec); + #endif diff --git a/src/pulsecore/source.c b/src/pulsecore/source.c index d707ad86..c767abcf 100644 --- a/src/pulsecore/source.c +++ b/src/pulsecore/source.c @@ -32,6 +32,7 @@ #include #include +#include #include #include @@ -41,40 +42,121 @@ #include "source.h" +#define DEFAULT_MIN_LATENCY (4*PA_USEC_PER_MSEC) + static PA_DEFINE_CHECK_TYPE(pa_source, pa_msgobject); static void source_free(pa_object *o); +pa_source_new_data* pa_source_new_data_init(pa_source_new_data *data) { + pa_assert(data); + + memset(data, 0, sizeof(*data)); + data->proplist = pa_proplist_new(); + + return data; +} + +void pa_source_new_data_set_name(pa_source_new_data *data, const char *name) { + pa_assert(data); + + pa_xfree(data->name); + data->name = pa_xstrdup(name); +} + +void pa_source_new_data_set_sample_spec(pa_source_new_data *data, const pa_sample_spec *spec) { + pa_assert(data); + + if ((data->sample_spec_is_set = !!spec)) + data->sample_spec = *spec; +} + +void pa_source_new_data_set_channel_map(pa_source_new_data *data, const pa_channel_map *map) { + pa_assert(data); + + if ((data->channel_map_is_set = !!map)) + data->channel_map = *map; +} + +void pa_source_new_data_set_volume(pa_source_new_data *data, const pa_cvolume *volume) { + pa_assert(data); + + if ((data->volume_is_set = !!volume)) + data->volume = *volume; +} + +void pa_source_new_data_set_muted(pa_source_new_data *data, pa_bool_t mute) { + pa_assert(data); + + data->muted_is_set = TRUE; + data->muted = !!mute; +} + +void pa_source_new_data_done(pa_source_new_data *data) { + pa_assert(data); + + pa_xfree(data->name); + pa_proplist_free(data->proplist); +} + +static void reset_callbacks(pa_source *s) { + pa_assert(s); + + s->set_state = NULL; + s->get_volume = NULL; + s->set_volume = NULL; + s->get_mute = NULL; + s->set_mute = NULL; + s->update_requested_latency = NULL; +} + pa_source* pa_source_new( pa_core *core, - const char *driver, - const char *name, - int fail, - const pa_sample_spec *spec, - const pa_channel_map *map) { + pa_source_new_data *data, + pa_source_flags_t flags) { pa_source *s; - char st[256]; - pa_channel_map tmap; + const char *name; + char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX]; pa_assert(core); - pa_assert(name); - pa_assert(spec); - pa_return_null_if_fail(pa_sample_spec_valid(spec)); + s = pa_msgobject_new(pa_source); + + if (!(name = pa_namereg_register(core, data->name, PA_NAMEREG_SOURCE, s, data->namereg_fail))) { + pa_xfree(s); + return NULL; + } - if (!map) - pa_return_null_if_fail(map = pa_channel_map_init_auto(&tmap, spec->channels, PA_CHANNEL_MAP_DEFAULT)); + if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_NEW], data) < 0) { + pa_xfree(s); + pa_namereg_unregister(core, name); + return NULL; + } - pa_return_null_if_fail(map && pa_channel_map_valid(map)); - pa_return_null_if_fail(map->channels == spec->channels); - pa_return_null_if_fail(!driver || pa_utf8_valid(driver)); - pa_return_null_if_fail(pa_utf8_valid(name) && *name); + pa_return_null_if_fail(!data->driver || pa_utf8_valid(data->driver)); + pa_return_null_if_fail(data->name && pa_utf8_valid(data->name) && data->name[0]); - s = pa_msgobject_new(pa_source); + pa_return_null_if_fail(data->sample_spec_is_set && pa_sample_spec_valid(&data->sample_spec)); + + if (!data->channel_map_is_set) + pa_return_null_if_fail(pa_channel_map_init_auto(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT)); - if (!(name = pa_namereg_register(core, name, PA_NAMEREG_SOURCE, s, fail))) { + pa_return_null_if_fail(pa_channel_map_valid(&data->channel_map)); + pa_return_null_if_fail(data->channel_map.channels == data->sample_spec.channels); + + if (!data->volume_is_set) + pa_cvolume_reset(&data->volume, data->sample_spec.channels); + + pa_return_null_if_fail(pa_cvolume_valid(&data->volume)); + pa_return_null_if_fail(data->volume.channels == data->sample_spec.channels); + + if (!data->muted_is_set) + data->muted = FALSE; + + if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_FIXATE], data) < 0) { pa_xfree(s); + pa_namereg_unregister(core, name); return NULL; } @@ -83,43 +165,54 @@ pa_source* pa_source_new( s->core = core; s->state = PA_SOURCE_INIT; - s->flags = 0; + s->flags = flags; s->name = pa_xstrdup(name); - s->description = NULL; - s->driver = pa_xstrdup(driver); - s->module = NULL; + s->proplist = pa_proplist_copy(data->proplist); + s->driver = pa_xstrdup(data->driver); + s->module = data->module; - s->sample_spec = *spec; - s->channel_map = *map; + s->sample_spec = data->sample_spec; + s->channel_map = data->channel_map; s->outputs = pa_idxset_new(NULL, NULL); s->n_corked = 0; s->monitor_of = NULL; - pa_cvolume_reset(&s->volume, spec->channels); - s->muted = FALSE; + s->volume = data->volume; + s->muted = data->muted; s->refresh_volume = s->refresh_muted = FALSE; - s->get_latency = NULL; - s->set_volume = NULL; - s->get_volume = NULL; - s->set_mute = NULL; - s->get_mute = NULL; - s->set_state = NULL; + reset_callbacks(s); s->userdata = NULL; s->asyncmsgq = NULL; s->rtpoll = NULL; - pa_assert_se(pa_idxset_put(core->sources, s, &s->index) >= 0); + pa_silence_memchunk_get( + &core->silence_cache, + core->mempool, + &s->silence, + &s->sample_spec, + 0); - pa_sample_spec_snprint(st, sizeof(st), spec); - pa_log_info("Created source %u \"%s\" with sample spec \"%s\"", s->index, s->name, st); + s->min_latency = DEFAULT_MIN_LATENCY; + s->max_latency = s->min_latency; s->thread_info.outputs = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func); s->thread_info.soft_volume = s->volume; s->thread_info.soft_muted = s->muted; s->thread_info.state = s->state; + s->thread_info.max_rewind = 0; + s->thread_info.requested_latency_valid = FALSE; + s->thread_info.requested_latency = 0; + + pa_assert_se(pa_idxset_put(core->sources, s, &s->index) >= 0); + + pa_log_info("Created source %u \"%s\" with sample spec %s and channel map %s", + s->index, + s->name, + pa_sample_spec_snprint(st, sizeof(st), &s->sample_spec), + pa_channel_map_snprint(cm, sizeof(cm), &s->channel_map)); return s; } @@ -134,15 +227,16 @@ static int source_set_state(pa_source *s, pa_source_state_t state) { return 0; suspend_change = - (s->state == PA_SOURCE_SUSPENDED && PA_SOURCE_OPENED(state)) || - (PA_SOURCE_OPENED(s->state) && state == PA_SOURCE_SUSPENDED); + (s->state == PA_SOURCE_SUSPENDED && PA_SOURCE_IS_OPENED(state)) || + (PA_SOURCE_IS_OPENED(s->state) && state == PA_SOURCE_SUSPENDED); if (s->set_state) if ((ret = s->set_state(s, state)) < 0) return -1; - if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) < 0) - return -1; + if (s->asyncmsgq) + if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) < 0) + return -1; s->state = state; @@ -167,13 +261,18 @@ void pa_source_put(pa_source *s) { pa_source_assert_ref(s); pa_assert(s->state == PA_SINK_INIT); - pa_assert(s->rtpoll); pa_assert(s->asyncmsgq); + pa_assert(s->rtpoll); + + pa_assert(!s->min_latency || !s->max_latency || s->min_latency <= s->max_latency); + + if (!(s->flags & PA_SOURCE_HW_VOLUME_CTRL)) + s->flags |= PA_SOURCE_DECIBEL_VOLUME; pa_assert_se(source_set_state(s, PA_SOURCE_IDLE) == 0); pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE | PA_SUBSCRIPTION_EVENT_NEW, s->index); - pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_NEW_POST], s); + pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_PUT], s); } void pa_source_unlink(pa_source *s) { @@ -185,7 +284,7 @@ void pa_source_unlink(pa_source *s) { /* See pa_sink_unlink() for a couple of comments how this function * works. */ - linked = PA_SOURCE_LINKED(s->state); + linked = PA_SOURCE_IS_LINKED(s->state); if (linked) pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_UNLINK], s); @@ -205,12 +304,7 @@ void pa_source_unlink(pa_source *s) { else s->state = PA_SOURCE_UNLINKED; - s->get_latency = NULL; - s->get_volume = NULL; - s->set_volume = NULL; - s->set_mute = NULL; - s->get_mute = NULL; - s->set_state = NULL; + reset_callbacks(s); if (linked) { pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE | PA_SUBSCRIPTION_EVENT_REMOVE, s->index); @@ -225,7 +319,7 @@ static void source_free(pa_object *o) { pa_assert(s); pa_assert(pa_source_refcnt(s) == 0); - if (PA_SOURCE_LINKED(s->state)) + if (PA_SOURCE_IS_LINKED(s->state)) pa_source_unlink(s); pa_log_info("Freeing source %u \"%s\"", s->index, s->name); @@ -237,15 +331,33 @@ static void source_free(pa_object *o) { pa_hashmap_free(s->thread_info.outputs, NULL, NULL); + if (s->silence.memblock) + pa_memblock_unref(s->silence.memblock); + pa_xfree(s->name); - pa_xfree(s->description); pa_xfree(s->driver); + + if (s->proplist) + pa_proplist_free(s->proplist); + pa_xfree(s); } +void pa_source_set_asyncmsgq(pa_source *s, pa_asyncmsgq *q) { + pa_source_assert_ref(s); + + s->asyncmsgq = q; +} + +void pa_source_set_rtpoll(pa_source *s, pa_rtpoll *p) { + pa_source_assert_ref(s); + + s->rtpoll = p; +} + int pa_source_update_status(pa_source*s) { pa_source_assert_ref(s); - pa_assert(PA_SOURCE_LINKED(s->state)); + pa_assert(PA_SOURCE_IS_LINKED(s->state)); if (s->state == PA_SOURCE_SUSPENDED) return 0; @@ -255,7 +367,7 @@ int pa_source_update_status(pa_source*s) { int pa_source_suspend(pa_source *s, pa_bool_t suspend) { pa_source_assert_ref(s); - pa_assert(PA_SOURCE_LINKED(s->state)); + pa_assert(PA_SOURCE_IS_LINKED(s->state)); if (suspend) return source_set_state(s, PA_SOURCE_SUSPENDED); @@ -263,11 +375,22 @@ int pa_source_suspend(pa_source *s, pa_bool_t suspend) { return source_set_state(s, pa_source_used_by(s) ? PA_SOURCE_RUNNING : PA_SOURCE_IDLE); } -void pa_source_ping(pa_source *s) { +void pa_source_process_rewind(pa_source *s, size_t nbytes) { + pa_source_output *o; + void *state = NULL; + pa_source_assert_ref(s); - pa_assert(PA_SOURCE_LINKED(s->state)); + pa_assert(PA_SOURCE_IS_OPENED(s->thread_info.state)); + + if (nbytes <= 0) + return; + + pa_log_debug("Processing rewind..."); - pa_asyncmsgq_post(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_PING, NULL, 0, NULL, NULL); + while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL))) { + pa_source_output_assert_ref(o); + pa_source_output_process_rewind(o, nbytes); + } } void pa_source_post(pa_source*s, const pa_memchunk *chunk) { @@ -275,7 +398,7 @@ void pa_source_post(pa_source*s, const pa_memchunk *chunk) { void *state = NULL; pa_source_assert_ref(s); - pa_assert(PA_SOURCE_OPENED(s->thread_info.state)); + pa_assert(PA_SOURCE_IS_OPENED(s->thread_info.state)); pa_assert(chunk); if (s->thread_info.state != PA_SOURCE_RUNNING) @@ -292,14 +415,18 @@ void pa_source_post(pa_source*s, const pa_memchunk *chunk) { else pa_volume_memchunk(&vchunk, &s->sample_spec, &s->thread_info.soft_volume); - while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL))) + while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL))) { + pa_source_output_assert_ref(o); pa_source_output_push(o, &vchunk); + } pa_memblock_unref(vchunk.memblock); } else { - while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL))) + while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL))) { + pa_source_output_assert_ref(o); pa_source_output_push(o, chunk); + } } } @@ -307,14 +434,11 @@ pa_usec_t pa_source_get_latency(pa_source *s) { pa_usec_t usec; pa_source_assert_ref(s); - pa_assert(PA_SOURCE_LINKED(s->state)); + pa_assert(PA_SOURCE_IS_LINKED(s->state)); - if (!PA_SOURCE_OPENED(s->state)) + if (!PA_SOURCE_IS_OPENED(s->state)) return 0; - if (s->get_latency) - return s->get_latency(s); - if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0) return 0; @@ -325,7 +449,7 @@ void pa_source_set_volume(pa_source *s, const pa_cvolume *volume) { int changed; pa_source_assert_ref(s); - pa_assert(PA_SOURCE_LINKED(s->state)); + pa_assert(PA_SOURCE_IS_LINKED(s->state)); pa_assert(volume); changed = !pa_cvolume_equal(volume, &s->volume); @@ -345,7 +469,7 @@ const pa_cvolume *pa_source_get_volume(pa_source *s) { pa_cvolume old_volume; pa_source_assert_ref(s); - pa_assert(PA_SOURCE_LINKED(s->state)); + pa_assert(PA_SOURCE_IS_LINKED(s->state)); old_volume = s->volume; @@ -365,7 +489,7 @@ void pa_source_set_mute(pa_source *s, pa_bool_t mute) { int changed; pa_source_assert_ref(s); - pa_assert(PA_SOURCE_LINKED(s->state)); + pa_assert(PA_SOURCE_IS_LINKED(s->state)); changed = s->muted != mute; s->muted = mute; @@ -384,7 +508,7 @@ pa_bool_t pa_source_get_mute(pa_source *s) { pa_bool_t old_muted; pa_source_assert_ref(s); - pa_assert(PA_SOURCE_LINKED(s->state)); + pa_assert(PA_SOURCE_IS_LINKED(s->state)); old_muted = s->muted; @@ -400,52 +524,32 @@ pa_bool_t pa_source_get_mute(pa_source *s) { return s->muted; } -void pa_source_set_module(pa_source *s, pa_module *m) { - pa_source_assert_ref(s); - - if (m == s->module) - return; - - s->module = m; - - pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); -} - void pa_source_set_description(pa_source *s, const char *description) { + const char *old; pa_source_assert_ref(s); - if (!description && !s->description) + if (!description && !pa_proplist_contains(s->proplist, PA_PROP_DEVICE_DESCRIPTION)) return; - if (description && s->description && !strcmp(description, s->description)) + old = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION); + + if (old && description && !strcmp(old, description)) return; - pa_xfree(s->description); - s->description = pa_xstrdup(description); + if (description) + pa_proplist_sets(s->proplist, PA_PROP_DEVICE_DESCRIPTION, description); + else + pa_proplist_unset(s->proplist, PA_PROP_DEVICE_DESCRIPTION); - if (PA_SOURCE_LINKED(s->state)) { - pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_DESCRIPTION_CHANGED], s); + if (PA_SOURCE_IS_LINKED(s->state)) { pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index); + pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_PROPLIST_CHANGED], s); } } -void pa_source_set_asyncmsgq(pa_source *s, pa_asyncmsgq *q) { - pa_source_assert_ref(s); - pa_assert(q); - - s->asyncmsgq = q; -} - -void pa_source_set_rtpoll(pa_source *s, pa_rtpoll *p) { - pa_source_assert_ref(s); - pa_assert(p); - - s->rtpoll = p; -} - unsigned pa_source_linked_by(pa_source *s) { pa_source_assert_ref(s); - pa_assert(PA_SOURCE_LINKED(s->state)); + pa_assert(PA_SOURCE_IS_LINKED(s->state)); return pa_idxset_size(s->outputs); } @@ -454,7 +558,7 @@ unsigned pa_source_used_by(pa_source *s) { unsigned ret; pa_source_assert_ref(s); - pa_assert(PA_SOURCE_LINKED(s->state)); + pa_assert(PA_SOURCE_IS_LINKED(s->state)); ret = pa_idxset_size(s->outputs); pa_assert(ret >= s->n_corked); @@ -470,6 +574,7 @@ int pa_source_process_msg(pa_msgobject *object, int code, void *userdata, int64_ switch ((pa_source_message_t) code) { case PA_SOURCE_MESSAGE_ADD_OUTPUT: { pa_source_output *o = PA_SOURCE_OUTPUT(userdata); + pa_hashmap_put(s->thread_info.outputs, PA_UINT32_TO_PTR(o->index), pa_source_output_ref(o)); pa_assert(!o->thread_info.attached); @@ -478,12 +583,23 @@ int pa_source_process_msg(pa_msgobject *object, int code, void *userdata, int64_ if (o->attach) o->attach(o); + pa_source_output_set_state_within_thread(o, o->state); + + pa_source_output_update_max_rewind(o, s->thread_info.max_rewind); + + /* We don't just invalidate the requested latency here, + * because if we are in a move we might need to fix up the + * requested latency. */ + pa_source_output_set_requested_latency_within_thread(o, o->thread_info.requested_source_latency); + return 0; } case PA_SOURCE_MESSAGE_REMOVE_OUTPUT: { pa_source_output *o = PA_SOURCE_OUTPUT(userdata); + pa_source_output_set_state_within_thread(o, o->state); + if (o->detach) o->detach(o); @@ -493,6 +609,8 @@ int pa_source_process_msg(pa_msgobject *object, int code, void *userdata, int64_ if (pa_hashmap_remove(s->thread_info.outputs, PA_UINT32_TO_PTR(o->index))) pa_source_output_unref(o); + pa_source_invalidate_requested_latency(s); + return 0; } @@ -512,9 +630,6 @@ int pa_source_process_msg(pa_msgobject *object, int code, void *userdata, int64_ *((pa_bool_t*) userdata) = s->thread_info.soft_muted; return 0; - case PA_SOURCE_MESSAGE_PING: - return 0; - case PA_SOURCE_MESSAGE_SET_STATE: s->thread_info.state = PA_PTR_TO_UINT(userdata); return 0; @@ -525,13 +640,20 @@ int pa_source_process_msg(pa_msgobject *object, int code, void *userdata, int64_ * asyncmsgq and rtpoll fields can be changed without * problems */ pa_source_detach_within_thread(s); - break; + return 0; case PA_SOURCE_MESSAGE_ATTACH: /* Reattach all streams */ pa_source_attach_within_thread(s); - break; + return 0; + + case PA_SOURCE_MESSAGE_GET_REQUESTED_LATENCY: { + + pa_usec_t *usec = userdata; + *usec = pa_source_get_requested_latency_within_thread(s); + return 0; + } case PA_SOURCE_MESSAGE_GET_LATENCY: case PA_SOURCE_MESSAGE_MAX: @@ -556,14 +678,14 @@ int pa_source_suspend_all(pa_core *c, pa_bool_t suspend) { void pa_source_detach(pa_source *s) { pa_source_assert_ref(s); - pa_assert(PA_SOURCE_LINKED(s->state)); + pa_assert(PA_SOURCE_IS_LINKED(s->state)); pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_DETACH, NULL, 0, NULL); } void pa_source_attach(pa_source *s) { pa_source_assert_ref(s); - pa_assert(PA_SOURCE_LINKED(s->state)); + pa_assert(PA_SOURCE_IS_LINKED(s->state)); pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_ATTACH, NULL, 0, NULL); } @@ -573,7 +695,7 @@ void pa_source_detach_within_thread(pa_source *s) { void *state = NULL; pa_source_assert_ref(s); - pa_assert(PA_SOURCE_LINKED(s->thread_info.state)); + pa_assert(PA_SOURCE_IS_LINKED(s->thread_info.state)); while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL))) if (o->detach) @@ -585,10 +707,83 @@ void pa_source_attach_within_thread(pa_source *s) { void *state = NULL; pa_source_assert_ref(s); - pa_assert(PA_SOURCE_LINKED(s->thread_info.state)); + pa_assert(PA_SOURCE_IS_LINKED(s->thread_info.state)); while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL))) if (o->attach) o->attach(o); +} + +pa_usec_t pa_source_get_requested_latency_within_thread(pa_source *s) { + pa_usec_t result = (pa_usec_t) -1; + pa_source_output *o; + void *state = NULL; + + pa_source_assert_ref(s); + + if (s->thread_info.requested_latency_valid) + return s->thread_info.requested_latency; + + while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL))) + + if (o->thread_info.requested_source_latency != (pa_usec_t) -1 && + (result == (pa_usec_t) -1 || result > o->thread_info.requested_source_latency)) + result = o->thread_info.requested_source_latency; + + if (result != (pa_usec_t) -1) { + if (s->max_latency > 0 && result > s->max_latency) + result = s->max_latency; + + if (s->min_latency > 0 && result < s->min_latency) + result = s->min_latency; + } + + s->thread_info.requested_latency = result; + s->thread_info.requested_latency_valid = TRUE; + + return result; +} + +pa_usec_t pa_source_get_requested_latency(pa_source *s) { + pa_usec_t usec; + + pa_source_assert_ref(s); + pa_assert(PA_SOURCE_IS_LINKED(s->state)); + + if (!PA_SOURCE_IS_OPENED(s->state)) + return 0; + + if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) < 0) + return 0; + + if (usec == (pa_usec_t) -1) + usec = s->max_latency; + + return usec; +} + +void pa_source_set_max_rewind(pa_source *s, size_t max_rewind) { + pa_source_output *o; + void *state = NULL; + + pa_source_assert_ref(s); + + if (max_rewind == s->thread_info.max_rewind) + return; + + s->thread_info.max_rewind = max_rewind; + + while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL))) + pa_source_output_update_max_rewind(o, s->thread_info.max_rewind); +} + +void pa_source_invalidate_requested_latency(pa_source *s) { + + pa_source_assert_ref(s); + pa_assert(PA_SOURCE_IS_LINKED(s->thread_info.state)); + + s->thread_info.requested_latency_valid = FALSE; + if (s->update_requested_latency) + s->update_requested_latency(s); } diff --git a/src/pulsecore/source.h b/src/pulsecore/source.h index bd0a9122..f9c9cbf9 100644 --- a/src/pulsecore/source.h +++ b/src/pulsecore/source.h @@ -33,7 +33,6 @@ typedef struct pa_source pa_source; #include #include -#include #include #include #include @@ -54,11 +53,11 @@ typedef enum pa_source_state { PA_SOURCE_UNLINKED } pa_source_state_t; -static inline pa_bool_t PA_SOURCE_OPENED(pa_source_state_t x) { +static inline pa_bool_t PA_SOURCE_IS_OPENED(pa_source_state_t x) { return x == PA_SOURCE_RUNNING || x == PA_SOURCE_IDLE; } -static inline pa_bool_t PA_SOURCE_LINKED(pa_source_state_t x) { +static inline pa_bool_t PA_SOURCE_IS_LINKED(pa_source_state_t x) { return x == PA_SOURCE_RUNNING || x == PA_SOURCE_IDLE || x == PA_SOURCE_SUSPENDED; } @@ -71,7 +70,8 @@ struct pa_source { pa_source_flags_t flags; char *name; - char *description, *driver; /* may be NULL */ + char *driver; /* may be NULL */ + pa_proplist *proplist; pa_module *module; /* may be NULL */ @@ -87,15 +87,20 @@ struct pa_source { pa_bool_t refresh_volume; pa_bool_t refresh_muted; + pa_asyncmsgq *asyncmsgq; + pa_rtpoll *rtpoll; + + pa_memchunk silence; + + pa_usec_t min_latency; /* we won't go below this latency setting */ + pa_usec_t max_latency; /* An upper limit for the latencies */ + int (*set_state)(pa_source*source, pa_source_state_t state); /* may be NULL */ int (*set_volume)(pa_source *s); /* dito */ int (*get_volume)(pa_source *s); /* dito */ int (*set_mute)(pa_source *s); /* dito */ int (*get_mute)(pa_source *s); /* dito */ - pa_usec_t (*get_latency)(pa_source *s); /* dito */ - - pa_asyncmsgq *asyncmsgq; - pa_rtpoll *rtpoll; + void (*update_requested_latency)(pa_source *s); /* dito */ /* Contains copies of the above data so that the real-time worker * thread can work without access locking */ @@ -104,6 +109,13 @@ struct pa_source { pa_hashmap *outputs; pa_cvolume soft_volume; pa_bool_t soft_muted; + + pa_bool_t requested_latency_valid; + size_t requested_latency; + + /* Then number of bytes this source will be rewound for at + * max */ + size_t max_rewind; } thread_info; void *userdata; @@ -120,27 +132,50 @@ typedef enum pa_source_message { PA_SOURCE_MESSAGE_GET_MUTE, PA_SOURCE_MESSAGE_SET_MUTE, PA_SOURCE_MESSAGE_GET_LATENCY, + PA_SOURCE_MESSAGE_GET_REQUESTED_LATENCY, PA_SOURCE_MESSAGE_SET_STATE, - PA_SOURCE_MESSAGE_PING, PA_SOURCE_MESSAGE_ATTACH, PA_SOURCE_MESSAGE_DETACH, PA_SOURCE_MESSAGE_MAX } pa_source_message_t; +typedef struct pa_source_new_data { + char *name; + pa_bool_t namereg_fail; + pa_proplist *proplist; + + const char *driver; + pa_module *module; + + pa_sample_spec sample_spec; + pa_bool_t sample_spec_is_set; + pa_channel_map channel_map; + pa_bool_t channel_map_is_set; + + pa_cvolume volume; + pa_bool_t volume_is_set; + pa_bool_t muted; + pa_bool_t muted_is_set; +} pa_source_new_data; + +pa_source_new_data* pa_source_new_data_init(pa_source_new_data *data); +void pa_source_new_data_set_name(pa_source_new_data *data, const char *name); +void pa_source_new_data_set_sample_spec(pa_source_new_data *data, const pa_sample_spec *spec); +void pa_source_new_data_set_channel_map(pa_source_new_data *data, const pa_channel_map *map); +void pa_source_new_data_set_volume(pa_source_new_data *data, const pa_cvolume *volume); +void pa_source_new_data_set_muted(pa_source_new_data *data, pa_bool_t mute); +void pa_source_new_data_done(pa_source_new_data *data); + /* To be called exclusively by the source driver, from main context */ pa_source* pa_source_new( pa_core *core, - const char *driver, - const char *name, - int namereg_fail, - const pa_sample_spec *spec, - const pa_channel_map *map); + pa_source_new_data *data, + pa_source_flags_t flags); void pa_source_put(pa_source *s); void pa_source_unlink(pa_source *s); -void pa_source_set_module(pa_source *s, pa_module *m); void pa_source_set_description(pa_source *s, const char *description); void pa_source_set_asyncmsgq(pa_source *s, pa_asyncmsgq *q); void pa_source_set_rtpoll(pa_source *s, pa_rtpoll *p); @@ -151,13 +186,12 @@ void pa_source_attach(pa_source *s); /* May be called by everyone, from main context */ pa_usec_t pa_source_get_latency(pa_source *s); +pa_usec_t pa_source_get_requested_latency(pa_source *s); int pa_source_update_status(pa_source*s); int pa_source_suspend(pa_source *s, pa_bool_t suspend); int pa_source_suspend_all(pa_core *c, pa_bool_t suspend); -void pa_source_ping(pa_source *s); - void pa_source_set_volume(pa_source *source, const pa_cvolume *volume); const pa_cvolume *pa_source_get_volume(pa_source *source); void pa_source_set_mute(pa_source *source, pa_bool_t mute); @@ -170,10 +204,19 @@ unsigned pa_source_used_by(pa_source *s); /* Number of connected streams that ar /* To be called exclusively by the source driver, from IO context */ void pa_source_post(pa_source*s, const pa_memchunk *b); +void pa_source_process_rewind(pa_source *s, size_t nbytes); int pa_source_process_msg(pa_msgobject *o, int code, void *userdata, int64_t, pa_memchunk *chunk); void pa_source_attach_within_thread(pa_source *s); void pa_source_detach_within_thread(pa_source *s); +pa_usec_t pa_source_get_requested_latency_within_thread(pa_source *s); + +void pa_source_set_max_rewind(pa_source *s, size_t max_rewind); + +/* To be called exclusively by source output drivers, from IO context */ + +void pa_source_invalidate_requested_latency(pa_source *s); + #endif diff --git a/src/pulsecore/strbuf.h b/src/pulsecore/strbuf.h index 1c0850b1..d3555a2c 100644 --- a/src/pulsecore/strbuf.h +++ b/src/pulsecore/strbuf.h @@ -24,7 +24,7 @@ USA. ***/ -#include +#include typedef struct pa_strbuf pa_strbuf; diff --git a/src/pulsecore/tagstruct.c b/src/pulsecore/tagstruct.c index 556fe806..7616cd16 100644 --- a/src/pulsecore/tagstruct.c +++ b/src/pulsecore/tagstruct.c @@ -42,12 +42,14 @@ #include "tagstruct.h" +#define MAX_TAG_SIZE (64*1024) + struct pa_tagstruct { uint8_t *data; size_t length, allocated; size_t rindex; - int dynamic; + pa_bool_t dynamic; }; pa_tagstruct *pa_tagstruct_new(const uint8_t* data, size_t length) { @@ -161,7 +163,7 @@ void pa_tagstruct_put_arbitrary(pa_tagstruct *t, const void *p, size_t length) { t->length += 5+length; } -void pa_tagstruct_put_boolean(pa_tagstruct*t, int b) { +void pa_tagstruct_put_boolean(pa_tagstruct*t, pa_bool_t b) { pa_assert(t); extend(t, 1); @@ -254,6 +256,32 @@ void pa_tagstruct_put_cvolume(pa_tagstruct *t, const pa_cvolume *cvolume) { } } +void pa_tagstruct_put_proplist(pa_tagstruct *t, pa_proplist *p) { + void *state = NULL; + pa_assert(t); + pa_assert(p); + + extend(t, 1); + + t->data[t->length++] = PA_TAG_PROPLIST; + + for (;;) { + const char *k; + const void *d; + size_t l; + + if (!(k = pa_proplist_iterate(p, &state))) + break; + + pa_tagstruct_puts(t, k); + pa_assert_se(pa_proplist_get(p, k, &d, &l) >= 0); + pa_tagstruct_putu32(t, (uint32_t) l); + pa_tagstruct_put_arbitrary(t, d, l); + } + + pa_tagstruct_puts(t, NULL); +} + int pa_tagstruct_gets(pa_tagstruct*t, const char **s) { int error = 0; size_t n; @@ -379,7 +407,7 @@ const uint8_t* pa_tagstruct_data(pa_tagstruct*t, size_t *l) { return t->data; } -int pa_tagstruct_get_boolean(pa_tagstruct*t, int *b) { +int pa_tagstruct_get_boolean(pa_tagstruct*t, pa_bool_t *b) { pa_assert(t); pa_assert(b); @@ -387,9 +415,9 @@ int pa_tagstruct_get_boolean(pa_tagstruct*t, int *b) { return -1; if (t->data[t->rindex] == PA_TAG_BOOLEAN_TRUE) - *b = 1; + *b = TRUE; else if (t->data[t->rindex] == PA_TAG_BOOLEAN_FALSE) - *b = 0; + *b = FALSE; else return -1; @@ -529,6 +557,52 @@ int pa_tagstruct_get_cvolume(pa_tagstruct *t, pa_cvolume *cvolume) { return 0; } +int pa_tagstruct_get_proplist(pa_tagstruct *t, pa_proplist *p) { + size_t saved_rindex; + + pa_assert(t); + pa_assert(p); + + if (t->rindex+1 > t->length) + return -1; + + if (t->data[t->rindex] != PA_TAG_PROPLIST) + return -1; + + saved_rindex = t->rindex; + t->rindex++; + + for (;;) { + const char *k; + const void *d; + uint32_t length; + + if (pa_tagstruct_gets(t, &k) < 0) + goto fail; + + if (!k) + break; + + if (pa_tagstruct_getu32(t, &length) < 0) + goto fail; + + if (length > MAX_TAG_SIZE) + goto fail; + + if (pa_tagstruct_get_arbitrary(t, &d, length) < 0) + goto fail; + + if (pa_proplist_set(p, k, d, length) < 0) + goto fail; + } + + return 0; + +fail: + t->rindex = saved_rindex; + return -1; +} + void pa_tagstruct_put(pa_tagstruct *t, ...) { va_list va; pa_assert(t); @@ -591,6 +665,10 @@ void pa_tagstruct_put(pa_tagstruct *t, ...) { pa_tagstruct_put_cvolume(t, va_arg(va, pa_cvolume *)); break; + case PA_TAG_PROPLIST: + pa_tagstruct_put_proplist(t, va_arg(va, pa_proplist *)); + break; + default: pa_assert_not_reached(); } @@ -643,7 +721,7 @@ int pa_tagstruct_get(pa_tagstruct *t, ...) { case PA_TAG_BOOLEAN_TRUE: case PA_TAG_BOOLEAN_FALSE: - ret = pa_tagstruct_get_boolean(t, va_arg(va, int*)); + ret = pa_tagstruct_get_boolean(t, va_arg(va, pa_bool_t*)); break; case PA_TAG_TIMEVAL: @@ -662,6 +740,10 @@ int pa_tagstruct_get(pa_tagstruct *t, ...) { ret = pa_tagstruct_get_cvolume(t, va_arg(va, pa_cvolume *)); break; + case PA_TAG_PROPLIST: + ret = pa_tagstruct_get_proplist(t, va_arg(va, pa_proplist *)); + break; + default: pa_assert_not_reached(); } diff --git a/src/pulsecore/tagstruct.h b/src/pulsecore/tagstruct.h index e9bb9ac8..8699e6c8 100644 --- a/src/pulsecore/tagstruct.h +++ b/src/pulsecore/tagstruct.h @@ -32,6 +32,10 @@ #include #include #include +#include +#include + +#include typedef struct pa_tagstruct pa_tagstruct; @@ -51,7 +55,8 @@ enum { PA_TAG_TIMEVAL = 'T', PA_TAG_USEC = 'U' /* 64bit unsigned */, PA_TAG_CHANNEL_MAP = 'm', - PA_TAG_CVOLUME = 'v' + PA_TAG_CVOLUME = 'v', + PA_TAG_PROPLIST = 'P' }; pa_tagstruct *pa_tagstruct_new(const uint8_t* data, size_t length); @@ -70,11 +75,12 @@ void pa_tagstruct_putu64(pa_tagstruct*t, uint64_t i); void pa_tagstruct_puts64(pa_tagstruct*t, int64_t i); void pa_tagstruct_put_sample_spec(pa_tagstruct *t, const pa_sample_spec *ss); void pa_tagstruct_put_arbitrary(pa_tagstruct*t, const void *p, size_t length); -void pa_tagstruct_put_boolean(pa_tagstruct*t, int b); +void pa_tagstruct_put_boolean(pa_tagstruct*t, pa_bool_t b); void pa_tagstruct_put_timeval(pa_tagstruct*t, const struct timeval *tv); void pa_tagstruct_put_usec(pa_tagstruct*t, pa_usec_t u); void pa_tagstruct_put_channel_map(pa_tagstruct *t, const pa_channel_map *map); void pa_tagstruct_put_cvolume(pa_tagstruct *t, const pa_cvolume *cvolume); +void pa_tagstruct_put_proplist(pa_tagstruct *t, pa_proplist *p); int pa_tagstruct_get(pa_tagstruct *t, ...); @@ -85,11 +91,12 @@ int pa_tagstruct_getu64(pa_tagstruct*t, uint64_t *i); int pa_tagstruct_gets64(pa_tagstruct*t, int64_t *i); int pa_tagstruct_get_sample_spec(pa_tagstruct *t, pa_sample_spec *ss); int pa_tagstruct_get_arbitrary(pa_tagstruct *t, const void **p, size_t length); -int pa_tagstruct_get_boolean(pa_tagstruct *t, int *b); +int pa_tagstruct_get_boolean(pa_tagstruct *t, pa_bool_t *b); int pa_tagstruct_get_timeval(pa_tagstruct*t, struct timeval *tv); int pa_tagstruct_get_usec(pa_tagstruct*t, pa_usec_t *u); int pa_tagstruct_get_channel_map(pa_tagstruct *t, pa_channel_map *map); int pa_tagstruct_get_cvolume(pa_tagstruct *t, pa_cvolume *v); +int pa_tagstruct_get_proplist(pa_tagstruct *t, pa_proplist *p); #endif diff --git a/src/pulsecore/thread-mq.c b/src/pulsecore/thread-mq.c index 9b879425..7e39c577 100644 --- a/src/pulsecore/thread-mq.c +++ b/src/pulsecore/thread-mq.c @@ -43,15 +43,15 @@ PA_STATIC_TLS_DECLARE_NO_FREE(thread_mq); -static void asyncmsgq_cb(pa_mainloop_api*api, pa_io_event* e, int fd, pa_io_event_flags_t events, void *userdata) { +static void asyncmsgq_read_cb(pa_mainloop_api*api, pa_io_event* e, int fd, pa_io_event_flags_t events, void *userdata) { pa_thread_mq *q = userdata; pa_asyncmsgq *aq; - pa_assert(pa_asyncmsgq_get_fd(q->outq) == fd); + pa_assert(pa_asyncmsgq_read_fd(q->outq) == fd); pa_assert(events == PA_IO_EVENT_INPUT); pa_asyncmsgq_ref(aq = q->outq); - pa_asyncmsgq_after_poll(aq); + pa_asyncmsgq_write_after_poll(aq); for (;;) { pa_msgobject *object; @@ -68,14 +68,24 @@ static void asyncmsgq_cb(pa_mainloop_api*api, pa_io_event* e, int fd, pa_io_even pa_asyncmsgq_done(aq, ret); } - if (pa_asyncmsgq_before_poll(aq) == 0) + if (pa_asyncmsgq_read_before_poll(aq) == 0) break; } pa_asyncmsgq_unref(aq); } -void pa_thread_mq_init(pa_thread_mq *q, pa_mainloop_api *mainloop) { +static void asyncmsgq_write_cb(pa_mainloop_api*api, pa_io_event* e, int fd, pa_io_event_flags_t events, void *userdata) { + pa_thread_mq *q = userdata; + + pa_assert(pa_asyncmsgq_write_fd(q->inq) == fd); + pa_assert(events == PA_IO_EVENT_INPUT); + + pa_asyncmsgq_write_after_poll(q->inq); + pa_asyncmsgq_write_before_poll(q->inq); +} + +void pa_thread_mq_init(pa_thread_mq *q, pa_mainloop_api *mainloop, pa_rtpoll *rtpoll) { pa_assert(q); pa_assert(mainloop); @@ -83,15 +93,22 @@ void pa_thread_mq_init(pa_thread_mq *q, pa_mainloop_api *mainloop) { pa_assert_se(q->inq = pa_asyncmsgq_new(0)); pa_assert_se(q->outq = pa_asyncmsgq_new(0)); - pa_assert_se(pa_asyncmsgq_before_poll(q->outq) == 0); - pa_assert_se(q->io_event = mainloop->io_new(mainloop, pa_asyncmsgq_get_fd(q->outq), PA_IO_EVENT_INPUT, asyncmsgq_cb, q)); + pa_assert_se(pa_asyncmsgq_read_before_poll(q->outq) == 0); + pa_assert_se(q->read_event = mainloop->io_new(mainloop, pa_asyncmsgq_read_fd(q->outq), PA_IO_EVENT_INPUT, asyncmsgq_read_cb, q)); + + pa_asyncmsgq_write_before_poll(q->inq); + pa_assert_se(q->write_event = mainloop->io_new(mainloop, pa_asyncmsgq_write_fd(q->inq), PA_IO_EVENT_INPUT, asyncmsgq_write_cb, q)); + + pa_rtpoll_item_new_asyncmsgq_read(rtpoll, PA_RTPOLL_EARLY, q->inq); + pa_rtpoll_item_new_asyncmsgq_write(rtpoll, PA_RTPOLL_LATE, q->outq); } void pa_thread_mq_done(pa_thread_mq *q) { pa_assert(q); - q->mainloop->io_free(q->io_event); - q->io_event = NULL; + q->mainloop->io_free(q->read_event); + q->mainloop->io_free(q->write_event); + q->read_event = q->write_event = NULL; pa_asyncmsgq_unref(q->inq); pa_asyncmsgq_unref(q->outq); diff --git a/src/pulsecore/thread-mq.h b/src/pulsecore/thread-mq.h index 13b6e01f..0ae49f8c 100644 --- a/src/pulsecore/thread-mq.h +++ b/src/pulsecore/thread-mq.h @@ -26,6 +26,7 @@ #include #include +#include /* Two way communication between a thread and a mainloop. Before the * thread is started a pa_pthread_mq should be initialized and than @@ -34,10 +35,10 @@ typedef struct pa_thread_mq { pa_mainloop_api *mainloop; pa_asyncmsgq *inq, *outq; - pa_io_event *io_event; + pa_io_event *read_event, *write_event; } pa_thread_mq; -void pa_thread_mq_init(pa_thread_mq *q, pa_mainloop_api *mainloop); +void pa_thread_mq_init(pa_thread_mq *q, pa_mainloop_api *mainloop, pa_rtpoll *rtpoll); void pa_thread_mq_done(pa_thread_mq *q); /* Install the specified pa_thread_mq object for the current thread */ diff --git a/src/pulsecore/time-smoother.c b/src/pulsecore/time-smoother.c index 4cebded4..9b4be29f 100644 --- a/src/pulsecore/time-smoother.c +++ b/src/pulsecore/time-smoother.c @@ -34,7 +34,7 @@ #include "time-smoother.h" -#define HISTORY_MAX 50 +#define HISTORY_MAX 64 /* * Implementation of a time smoothing algorithm to synchronize remote @@ -61,7 +61,6 @@ struct pa_smoother { pa_usec_t adjust_time, history_time; - pa_bool_t monotonic; pa_usec_t time_offset; @@ -70,27 +69,34 @@ struct pa_smoother { pa_usec_t ex, ey; /* Point e, which we estimated before and need to smooth to */ double de; /* Gradient we estimated for point e */ + pa_usec_t ry; /* The original y value for ex */ /* History of last measurements */ pa_usec_t history_x[HISTORY_MAX], history_y[HISTORY_MAX]; unsigned history_idx, n_history; /* To even out for monotonicity */ - pa_usec_t last_y; + pa_usec_t last_y, last_x; /* Cached parameters for our interpolation polynomial y=ax^3+b^2+cx */ double a, b, c; pa_bool_t abc_valid; - pa_bool_t paused; + pa_bool_t monotonic:1; + pa_bool_t paused:1; + pa_usec_t pause_time; + + unsigned min_history; }; -pa_smoother* pa_smoother_new(pa_usec_t adjust_time, pa_usec_t history_time, pa_bool_t monotonic) { +pa_smoother* pa_smoother_new(pa_usec_t adjust_time, pa_usec_t history_time, pa_bool_t monotonic, unsigned min_history) { pa_smoother *s; pa_assert(adjust_time > 0); pa_assert(history_time > 0); + pa_assert(min_history >= 2); + pa_assert(min_history <= HISTORY_MAX); s = pa_xnew(pa_smoother, 1); s->adjust_time = adjust_time; @@ -101,18 +107,20 @@ pa_smoother* pa_smoother_new(pa_usec_t adjust_time, pa_usec_t history_time, pa_b s->px = s->py = 0; s->dp = 1; - s->ex = s->ey = 0; + s->ex = s->ey = s->ry = 0; s->de = 1; s->history_idx = 0; s->n_history = 0; - s->last_y = 0; + s->last_y = s->last_x = 0; s->abc_valid = FALSE; s->paused = FALSE; + s->min_history = min_history; + return s; } @@ -122,39 +130,58 @@ void pa_smoother_free(pa_smoother* s) { pa_xfree(s); } +#define REDUCE(x) \ + do { \ + x = (x) % HISTORY_MAX; \ + } while(FALSE) + +#define REDUCE_INC(x) \ + do { \ + x = ((x)+1) % HISTORY_MAX; \ + } while(FALSE) + + static void drop_old(pa_smoother *s, pa_usec_t x) { - unsigned j; - /* First drop items from history which are too old, but make sure - * to always keep two entries in the history */ + /* Drop items from history which are too old, but make sure to + * always keep min_history in the history */ - for (j = s->n_history; j > 2; j--) { + while (s->n_history > s->min_history) { - if (s->history_x[s->history_idx] + s->history_time >= x) { + if (s->history_x[s->history_idx] + s->history_time >= x) /* This item is still valid, and thus all following ones * are too, so let's quit this loop */ break; - } /* Item is too old, let's drop it */ - s->history_idx ++; - while (s->history_idx >= HISTORY_MAX) - s->history_idx -= HISTORY_MAX; + REDUCE_INC(s->history_idx); s->n_history --; } } static void add_to_history(pa_smoother *s, pa_usec_t x, pa_usec_t y) { - unsigned j; + unsigned j, i; pa_assert(s); + /* First try to update an existing history entry */ + i = s->history_idx; + for (j = s->n_history; j > 0; j--) { + + if (s->history_x[i] == x) { + s->history_y[i] = y; + return; + } + + REDUCE_INC(i); + } + + /* Drop old entries */ drop_old(s, x); /* Calculate position for new entry */ j = s->history_idx + s->n_history; - while (j >= HISTORY_MAX) - j -= HISTORY_MAX; + REDUCE(j); /* Fill in entry */ s->history_x[j] = x; @@ -164,8 +191,9 @@ static void add_to_history(pa_smoother *s, pa_usec_t x, pa_usec_t y) { s->n_history ++; /* And make sure we don't store more entries than fit in */ - if (s->n_history >= HISTORY_MAX) { + if (s->n_history > HISTORY_MAX) { s->history_idx += s->n_history - HISTORY_MAX; + REDUCE(s->history_idx); s->n_history = HISTORY_MAX; } } @@ -175,7 +203,9 @@ static double avg_gradient(pa_smoother *s, pa_usec_t x) { int64_t ax = 0, ay = 0, k, t; double r; - drop_old(s, x); + /* Too few measurements, assume gradient of 1 */ + if (s->n_history < s->min_history) + return 1; /* First, calculate average of all measurements */ i = s->history_idx; @@ -185,15 +215,10 @@ static double avg_gradient(pa_smoother *s, pa_usec_t x) { ay += s->history_y[i]; c++; - i++; - while (i >= HISTORY_MAX) - i -= HISTORY_MAX; + REDUCE_INC(i); } - /* Too few measurements, assume gradient of 1 */ - if (c < 2) - return 1; - + pa_assert(c >= s->min_history); ax /= c; ay /= c; @@ -210,14 +235,45 @@ static double avg_gradient(pa_smoother *s, pa_usec_t x) { k += dx*dy; t += dx*dx; - i++; - while (i >= HISTORY_MAX) - i -= HISTORY_MAX; + REDUCE_INC(i); } r = (double) k / t; - return s->monotonic && r < 0 ? 0 : r; + return (s->monotonic && r < 0) ? 0 : r; +} + +static void calc_abc(pa_smoother *s) { + pa_usec_t ex, ey, px, py; + int64_t kx, ky; + double de, dp; + + pa_assert(s); + + if (s->abc_valid) + return; + + /* We have two points: (ex|ey) and (px|py) with two gradients at + * these points de and dp. We do a polynomial + * interpolation of degree 3 with these 6 values */ + + ex = s->ex; ey = s->ey; + px = s->px; py = s->py; + de = s->de; dp = s->dp; + + pa_assert(ex < px); + + /* To increase the dynamic range and symplify calculation, we + * move these values to the origin */ + kx = (int64_t) px - (int64_t) ex; + ky = (int64_t) py - (int64_t) ey; + + /* Calculate a, b, c for y=ax^3+bx^2+cx */ + s->c = de; + s->b = (((double) (3*ky)/kx - dp - 2*de)) / kx; + s->a = (dp/kx - 2*s->b - de/kx) / (3*kx); + + s->abc_valid = TRUE; } static void estimate(pa_smoother *s, pa_usec_t x, pa_usec_t *y, double *deriv) { @@ -242,36 +298,10 @@ static void estimate(pa_smoother *s, pa_usec_t x, pa_usec_t *y, double *deriv) { } else { - if (!s->abc_valid) { - pa_usec_t ex, ey, px, py; - int64_t kx, ky; - double de, dp; - - /* Ok, we're not yet on track, thus let's interpolate, and - * make sure that the first derivative is smooth */ - - /* We have two points: (ex|ey) and (px|py) with two gradients - * at these points de and dp. We do a polynomial interpolation - * of degree 3 with these 6 values */ - - ex = s->ex; ey = s->ey; - px = s->px; py = s->py; - de = s->de; dp = s->dp; - - pa_assert(ex < px); - - /* To increase the dynamic range and symplify calculation, we - * move these values to the origin */ - kx = (int64_t) px - (int64_t) ex; - ky = (int64_t) py - (int64_t) ey; + /* Ok, we're not yet on track, thus let's interpolate, and + * make sure that the first derivative is smooth */ - /* Calculate a, b, c for y=ax^3+b^2+cx */ - s->c = de; - s->b = (((double) (3*ky)/kx - dp - 2*de)) / kx; - s->a = (dp/kx - 2*s->b - de/kx) / (3*kx); - - s->abc_valid = TRUE; - } + calc_abc(s); /* Move to origin */ x -= s->ex; @@ -290,11 +320,6 @@ static void estimate(pa_smoother *s, pa_usec_t x, pa_usec_t *y, double *deriv) { /* Guarantee monotonicity */ if (s->monotonic) { - if (*y < s->last_y) - *y = s->last_y; - else - s->last_y = *y; - if (deriv && *deriv < 0) *deriv = 0; } @@ -303,23 +328,26 @@ static void estimate(pa_smoother *s, pa_usec_t x, pa_usec_t *y, double *deriv) { void pa_smoother_put(pa_smoother *s, pa_usec_t x, pa_usec_t y) { pa_usec_t ney; double nde; + pa_bool_t is_new; pa_assert(s); - pa_assert(x >= s->time_offset); /* Fix up x value */ if (s->paused) x = s->pause_time; - pa_assert(x >= s->time_offset); - x -= s->time_offset; + x = PA_LIKELY(x >= s->time_offset) ? x - s->time_offset : 0; - pa_assert(x >= s->ex); + is_new = x >= s->ex; - /* First, we calculate the position we'd estimate for x, so that - * we can adjust our position smoothly from this one */ - estimate(s, x, &ney, &nde); - s->ex = x; s->ey = ney; s->de = nde; + if (is_new) { + /* First, we calculate the position we'd estimate for x, so that + * we can adjust our position smoothly from this one */ + estimate(s, x, &ney, &nde); + s->ex = x; s->ey = ney; s->de = nde; + + s->ry = y; + } /* Then, we add the new measurement to our history */ add_to_history(s, x, y); @@ -328,28 +356,41 @@ void pa_smoother_put(pa_smoother *s, pa_usec_t x, pa_usec_t y) { s->dp = avg_gradient(s, x); /* And calculate when we want to be on track again */ - s->px = x + s->adjust_time; - s->py = y + s->dp *s->adjust_time; + s->px = s->ex + s->adjust_time; + s->py = s->ry + s->dp *s->adjust_time; s->abc_valid = FALSE; + +/* pa_log_debug("put(%llu | %llu) = %llu", (unsigned long long) (x + s->time_offset), (unsigned long long) x, (unsigned long long) y); */ } pa_usec_t pa_smoother_get(pa_smoother *s, pa_usec_t x) { pa_usec_t y; pa_assert(s); - pa_assert(x >= s->time_offset); /* Fix up x value */ if (s->paused) x = s->pause_time; - pa_assert(x >= s->time_offset); - x -= s->time_offset; - - pa_assert(x >= s->ex); + x = PA_LIKELY(x >= s->time_offset) ? x - s->time_offset : 0; estimate(s, x, &y, NULL); + + if (s->monotonic) { + + /* Make sure the querier doesn't jump forth and back. */ + pa_assert(x >= s->last_x); + s->last_x = x; + + if (y < s->last_y) + y = s->last_y; + else + s->last_y = y; + } + +/* pa_log_debug("get(%llu | %llu) = %llu", (unsigned long long) (x + s->time_offset), (unsigned long long) x, (unsigned long long) y); */ + return y; } @@ -357,6 +398,8 @@ void pa_smoother_set_time_offset(pa_smoother *s, pa_usec_t offset) { pa_assert(s); s->time_offset = offset; + +/* pa_log_debug("offset(%llu)", (unsigned long long) offset); */ } void pa_smoother_pause(pa_smoother *s, pa_usec_t x) { @@ -365,6 +408,8 @@ void pa_smoother_pause(pa_smoother *s, pa_usec_t x) { if (s->paused) return; +/* pa_log_debug("pause(%llu)", (unsigned long long) x); */ + s->paused = TRUE; s->pause_time = x; } @@ -377,6 +422,32 @@ void pa_smoother_resume(pa_smoother *s, pa_usec_t x) { pa_assert(x >= s->pause_time); +/* pa_log_debug("resume(%llu)", (unsigned long long) x); */ + s->paused = FALSE; s->time_offset += x - s->pause_time; } + +pa_usec_t pa_smoother_translate(pa_smoother *s, pa_usec_t x, pa_usec_t y_delay) { + pa_usec_t ney; + double nde; + + pa_assert(s); + + /* Fix up x value */ + if (s->paused) + x = s->pause_time; + + x = PA_LIKELY(x >= s->time_offset) ? x - s->time_offset : 0; + + estimate(s, x, &ney, &nde); + + /* Play safe and take the larger gradient, so that we wakeup + * earlier when this is used for sleeping */ + if (s->dp > nde) + nde = s->dp; + +/* pa_log_debug("translate(%llu) = %llu (%0.2f)", (unsigned long long) y_delay, (unsigned long long) ((double) y_delay / nde), nde); */ + + return (pa_usec_t) ((double) y_delay / nde); +} diff --git a/src/pulsecore/time-smoother.h b/src/pulsecore/time-smoother.h index 8b8512e2..b301b48c 100644 --- a/src/pulsecore/time-smoother.h +++ b/src/pulsecore/time-smoother.h @@ -29,13 +29,19 @@ typedef struct pa_smoother pa_smoother; -pa_smoother* pa_smoother_new(pa_usec_t adjust_time, pa_usec_t history_time, pa_bool_t monotonic); +pa_smoother* pa_smoother_new(pa_usec_t x_adjust_time, pa_usec_t x_history_time, pa_bool_t monotonic, unsigned min_history); void pa_smoother_free(pa_smoother* s); +/* Adds a new value to our dataset. x = local/system time, y = remote time */ void pa_smoother_put(pa_smoother *s, pa_usec_t x, pa_usec_t y); + +/* Returns an interpolated value based on the dataset. x = local/system time, return value = remote time */ pa_usec_t pa_smoother_get(pa_smoother *s, pa_usec_t x); -void pa_smoother_set_time_offset(pa_smoother *s, pa_usec_t offset); +/* Translates a time span from the remote time domain to the local one. x = local/system time when to estimate, y_delay = remote time span */ +pa_usec_t pa_smoother_translate(pa_smoother *s, pa_usec_t x, pa_usec_t y_delay); + +void pa_smoother_set_time_offset(pa_smoother *s, pa_usec_t x_offset); void pa_smoother_pause(pa_smoother *s, pa_usec_t x); void pa_smoother_resume(pa_smoother *s, pa_usec_t x); diff --git a/src/pulsecore/tokenizer.c b/src/pulsecore/tokenizer.c index f79c19c5..cf5da648 100644 --- a/src/pulsecore/tokenizer.c +++ b/src/pulsecore/tokenizer.c @@ -29,9 +29,9 @@ #include #include +#include #include -#include #include #include "tokenizer.h" -- cgit