commit glitch-free work

git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/glitch-free@2122 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2008-03-15 15:19:40 +00:00
parent 347cfc356a
commit 12c01e942d
50 changed files with 2877 additions and 1194 deletions

View file

@ -47,42 +47,105 @@
#define MAX_MIX_CHANNELS 32
#define MIX_BUFFER_LENGTH (PA_PAGE_SIZE)
#define SILENCE_BUFFER_LENGTH (PA_PAGE_SIZE*12)
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);
}
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;
char *d;
const char *name;
char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX];
pa_source_new_data source_data;
pa_assert(core);
pa_assert(name);
pa_assert(spec);
pa_assert(data);
pa_return_null_if_fail(pa_sample_spec_valid(spec));
if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_NEW], data) < 0)
return NULL;
if (!map)
pa_return_null_if_fail((map = pa_channel_map_init_auto(&tmap, spec->channels, PA_CHANNEL_MAP_DEFAULT)));
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]);
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);
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)
return NULL;
s = pa_msgobject_new(pa_sink);
if (!(name = pa_namereg_register(core, name, PA_NAMEREG_SINK, s, fail))) {
if (!(name = pa_namereg_register(core, data->name, PA_NAMEREG_SINK, s, data->namereg_fail))) {
pa_xfree(s);
return NULL;
}
@ -92,20 +155,20 @@ 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;
@ -114,35 +177,53 @@ pa_sink* pa_sink_new(
s->set_mute = NULL;
s->get_mute = NULL;
s->set_state = NULL;
s->request_rewind = NULL;
s->update_requested_latency = NULL;
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_xfree(n);
s->silence = pa_silence_memblock_new(core->mempool, &s->sample_spec, 0);
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 = TRUE;
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;
d = pa_sprintf_malloc("Monitor Source of %s", s->name);
pa_proplist_sets(data->proplist, PA_PROP_DEVICE_DESCRIPTION, d);
pa_xfree(d);
pa_proplist_sets(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;
return s;
}
@ -193,12 +274,22 @@ void pa_sink_put(pa_sink* s) {
pa_assert(s->asyncmsgq);
pa_assert(s->rtpoll);
if (s->get_volume && s->set_volume)
s->flags |= PA_SINK_HW_VOLUME_CTRL;
else
s->flags = (s->flags & ~PA_SINK_HW_VOLUME_CTRL) | PA_SINK_DECIBEL_VOLUME;
if (s->get_mute && s->set_mute)
s->flags |= PA_SINK_HW_MUTE_CTRL;
else
s->flags &= ~PA_SINK_HW_MUTE_CTRL;
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) {
@ -241,6 +332,8 @@ void pa_sink_unlink(pa_sink* s) {
s->set_mute = NULL;
s->get_mute = NULL;
s->set_state = NULL;
s->request_rewind = NULL;
s->update_requested_latency = NULL;
if (s->monitor_source)
pa_source_unlink(s->monitor_source);
@ -279,8 +372,11 @@ static void sink_free(pa_object *o) {
pa_memblock_unref(s->silence);
pa_xfree(s->name);
pa_xfree(s->description);
pa_xfree(s->driver);
if (s->proplist)
pa_proplist_free(s->proplist);
pa_xfree(s);
}
@ -330,6 +426,26 @@ void pa_sink_ping(pa_sink *s) {
pa_asyncmsgq_post(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_PING, NULL, 0, NULL, NULL);
}
void pa_sink_process_rewind(pa_sink *s) {
pa_sink_input *i;
void *state = NULL;
pa_sink_assert_ref(s);
pa_assert(PA_SINK_LINKED(s->state));
if (s->thread_info.rewind_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_rewind(i, s->thread_info.rewind_nbytes);
}
s->thread_info.rewind_nbytes = 0;
}
static unsigned fill_mix_info(pa_sink *s, size_t length, pa_mix_info *info, unsigned maxinfo) {
pa_sink_input *i;
unsigned n = 0;
@ -344,6 +460,11 @@ static unsigned fill_mix_info(pa_sink *s, size_t length, pa_mix_info *info, unsi
if (pa_sink_input_peek(i, length, &info->chunk, &info->volume) < 0)
continue;
if (pa_memblock_is_silence(info->chunk.memblock)) {
pa_memblock_unref(info->chunk.memblock);
continue;
}
info->userdata = pa_sink_input_ref(i);
pa_assert(info->chunk.memblock);
@ -427,6 +548,8 @@ void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) {
pa_sink_ref(s);
s->thread_info.rewind_nbytes = 0;
if (length <= 0)
length = pa_frame_align(MIX_BUFFER_LENGTH, &s->sample_spec);
@ -440,19 +563,8 @@ void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) {
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->memblock = pa_memblock_ref(s->silence);
result->length = length;
result->length = PA_MIN(pa_memblock_get_length(s->silence), length);
result->index = 0;
} else if (n == 1) {
@ -506,11 +618,13 @@ void pa_sink_render_into(pa_sink*s, pa_memchunk *target) {
pa_sink_ref(s);
s->thread_info.rewind_nbytes = 0;
n = s->thread_info.state == PA_SINK_RUNNING ? fill_mix_info(s, target->length, info, MAX_MIX_CHANNELS) : 0;
if (n == 0) {
if (n == 0)
pa_silence_memchunk(target, &s->sample_spec);
} else if (n == 1) {
else if (n == 1) {
if (target->length > info[0].chunk.length)
target->length = info[0].chunk.length;
@ -573,6 +687,8 @@ 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) {
@ -596,6 +712,8 @@ void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result) {
pa_assert(pa_frame_aligned(length, &s->sample_spec));
pa_assert(result);
s->thread_info.rewind_nbytes = 0;
/*** This needs optimization ***/
result->index = 0;
@ -614,6 +732,8 @@ void pa_sink_skip(pa_sink *s, size_t length) {
pa_assert(length > 0);
pa_assert(pa_frame_aligned(length, &s->sample_spec));
s->thread_info.rewind_nbytes = 0;
if (pa_source_used_by(s->monitor_source)) {
pa_memchunk chunk;
@ -644,6 +764,8 @@ pa_usec_t pa_sink_get_latency(pa_sink *s) {
pa_sink_assert_ref(s);
pa_assert(PA_SINK_LINKED(s->state));
/* The returned value is supposed to be in the time domain of the sound card! */
if (!PA_SINK_OPENED(s->state))
return 0;
@ -735,43 +857,34 @@ 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)) {
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);
}
}
@ -817,6 +930,7 @@ 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);
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
@ -835,6 +949,8 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse
i->thread_info.sync_next->thread_info.sync_prev = i;
}
pa_sink_input_set_max_rewind(i, s->thread_info.max_rewind);
pa_assert(!i->thread_info.attached);
i->thread_info.attached = TRUE;
@ -845,6 +961,11 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse
* ghost sink input handling a few lines down at
* PA_SINK_MESSAGE_REMOVE_INPUT_AND_BUFFER, too. */
pa_sink_invalidate_requested_latency(s);
/* i->thread_info.ignore_rewind = TRUE; */
/* pa_sink_request_rewind(s, 0); */
return 0;
}
@ -881,6 +1002,10 @@ 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;
}
@ -899,6 +1024,7 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse
pa_assert(info->sink_input->thread_info.attached);
info->sink_input->thread_info.attached = FALSE;
pa_sink_invalidate_requested_latency(info->sink_input->sink);
if (info->ghost_sink_input) {
pa_assert(info->buffer_bytes > 0);
@ -934,9 +1060,8 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse
info->buffer_bytes -= n;
}
/* 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);
/* Add the remaining already resampled chunks to the buffer */
pa_memblockq_splice(info->buffer, info->sink_input->thread_info.render_memblockq);
pa_memblockq_sink_input_set_queue(info->ghost_sink_input, info->buffer);
@ -952,22 +1077,33 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse
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_max_rewind(info->ghost_sink_input, s->thread_info.max_rewind);
pa_assert(!info->ghost_sink_input->thread_info.attached);
info->ghost_sink_input->thread_info.attached = TRUE;
if (info->ghost_sink_input->attach)
info->ghost_sink_input->attach(info->ghost_sink_input);
}
pa_sink_invalidate_requested_latency(s);
pa_sink_request_rewind(s, 0);
return 0;
}
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:
@ -1064,3 +1200,73 @@ 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_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(pa_sink *s) {
pa_usec_t result = 0;
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 > 0 &&
(!result || result > i->thread_info.requested_sink_latency))
result = i->thread_info.requested_sink_latency;
s->thread_info.requested_latency = result;
s->thread_info.requested_latency_valid = TRUE;
return result;
}
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);
pa_assert(PA_SINK_LINKED(s->thread_info.state));
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_set_max_rewind(i, s->thread_info.max_rewind);
}
void pa_sink_invalidate_requested_latency(pa_sink *s) {
pa_sink_assert_ref(s);
pa_assert(PA_SINK_LINKED(s->thread_info.state));
if (!s->thread_info.requested_latency_valid)
return;
s->thread_info.requested_latency_valid = FALSE;
if (s->update_requested_latency)
s->update_requested_latency(s);
}