#include <pulse/introspect.h>
#include <pulse/utf8.h>
#include <pulse/xmalloc.h>
+#include <pulse/timeval.h>
#include <pulsecore/sink-input.h>
#include <pulsecore/namereg.h>
#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);
+}
+
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;
+
+ 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(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);
- if (!map)
- map = pa_channel_map_init_auto(&tmap, spec->channels, PA_CHANNEL_MAP_DEFAULT);
+ pa_return_null_if_fail(pa_cvolume_valid(&data->volume));
+ pa_return_null_if_fail(data->volume.channels == data->sample_spec.channels);
- 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 (!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;
}
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_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;
+ s->silence = pa_silence_memblock_new(core->mempool, &s->sample_spec, 0);
+
+ 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 = TRUE;
+ s->thread_info.requested_latency = 0;
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);
+ 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));
- n = pa_sprintf_malloc("%s.monitor", name);
+ 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;
- 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);
- }
+ 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");
- pa_xfree(n);
+ s->monitor_source = pa_source_new(core, &source_data, 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;
+ 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;
}
pa_assert(s->asyncmsgq);
pa_assert(s->rtpoll);
+ pa_assert(!s->min_latency || !s->max_latency || s->min_latency <= s->max_latency);
+
+ 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) {
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);
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);
}
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;
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);
pa_sink_ref(s);
+ s->thread_info.rewind_nbytes = 0;
+
if (length <= 0)
length = pa_frame_align(MIX_BUFFER_LENGTH, &s->sample_spec);
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) {
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;
pa_sink_ref(s);
+ s->thread_info.rewind_nbytes = 0;
+
l = target->length;
d = 0;
while (l > 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;
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;
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;
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);
}
}
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
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;
* 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;
}
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;
}
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);
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);
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:
* 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:
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_within_thread(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;
+
+ if (result > 0) {
+ 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_LINKED(s->state));
+
+ if (!PA_SINK_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;
+
+ 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);
+ 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);
+}