-/* $Id$ */
-
/***
This file is part of PulseAudio.
#include <pulse/introspect.h>
#include <pulse/utf8.h>
#include <pulse/xmalloc.h>
+#include <pulse/timeval.h>
+#include <pulse/util.h>
#include <pulsecore/sink-input.h>
#include <pulsecore/namereg.h>
#include "sink.h"
#define MAX_MIX_CHANNELS 32
-#define SILENCE_BUFFER_LENGTH (64*1024)
+#define MIX_BUFFER_LENGTH (PA_PAGE_SIZE)
+#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);
+}
+
+/* Called from main context */
+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;
+}
+
+/* Called from main context */
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);
- pa_return_null_if_fail(pa_sample_spec_valid(spec));
+ s = pa_msgobject_new(pa_sink);
- if (!map)
- map = pa_channel_map_init_auto(&tmap, spec->channels, PA_CHANNEL_MAP_DEFAULT);
+ if (!(name = pa_namereg_register(core, data->name, PA_NAMEREG_SINK, s, data->namereg_fail))) {
+ pa_xfree(s);
+ 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(name && pa_utf8_valid(name) && *name);
+ pa_sink_new_data_set_name(data, name);
- s = pa_msgobject_new(pa_sink);
+ if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_NEW], data) < 0) {
+ pa_xfree(s);
+ pa_namereg_unregister(core, name);
+ 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);
+
+ 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 (data->card)
+ pa_proplist_update(data->proplist, PA_UPDATE_MERGE, data->card->proplist);
- if (!(name = pa_namereg_register(core, name, PA_NAMEREG_SINK, s, fail))) {
+ if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_FIXATE], data) < 0) {
pa_xfree(s);
+ pa_namereg_unregister(core, name);
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(pa_path_get_filename(data->driver));
+ s->module = data->module;
+ s->card = data->card;
- 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 = 0;
- s->refresh_volume = s->refresh_mute = 0;
+ s->virtual_volume = data->volume;
+ pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
+ s->base_volume = PA_VOLUME_NORM;
+ s->n_volume_steps = PA_VOLUME_NORM+1;
+ 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;
- s->silence = NULL;
+
+ pa_silence_memchunk_get(
+ &core->silence_cache,
+ core->mempool,
+ &s->silence,
+ &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->soft_volume;
+ s->thread_info.soft_muted = s->muted;
+ s->thread_info.state = s->state;
+ s->thread_info.rewind_nbytes = 0;
+ s->thread_info.rewind_requested = FALSE;
+ s->thread_info.max_rewind = 0;
+ s->thread_info.max_request = 0;
+ s->thread_info.requested_latency_valid = FALSE;
+ s->thread_info.requested_latency = 0;
+ s->thread_info.min_latency = DEFAULT_MIN_LATENCY;
+ s->thread_info.max_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);
+ if (s->card)
+ pa_assert_se(pa_idxset_put(s->card->sinks, s, NULL) >= 0);
- n = pa_sprintf_malloc("%s.monitor", name);
+ 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));
- 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_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;
+ source_data.card = data->card;
- pa_xfree(n);
+ 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->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->monitor_source = pa_source_new(core, &source_data, PA_SOURCE_LATENCY);
- return s;
-}
+ pa_source_new_data_done(&source_data);
-void pa_sink_put(pa_sink* s) {
- pa_sink_assert_ref(s);
+ if (!s->monitor_source) {
+ pa_sink_unlink(s);
+ pa_sink_unref(s);
+ return NULL;
+ }
- pa_assert(s->state == PA_SINK_INIT);
- pa_assert(s->asyncmsgq);
- pa_assert(s->rtpoll);
+ s->monitor_source->monitor_of = s;
- s->thread_info.state = s->state = PA_SINK_IDLE;
-
- pa_source_put(s->monitor_source);
+ pa_source_set_latency_range(s->monitor_source, s->thread_info.min_latency, s->thread_info.max_latency);
+ pa_source_set_max_rewind(s->monitor_source, s->thread_info.max_rewind);
- 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);
+ return s;
}
+/* Called from main context */
static int sink_set_state(pa_sink *s, pa_sink_state_t state) {
int ret;
-
+ pa_bool_t suspend_change;
+ pa_sink_state_t original_state;
+
pa_assert(s);
if (s->state == state)
return 0;
- if (state == PA_SINK_SUSPENDED && !(s->flags & PA_SINK_CAN_SUSPEND))
- return -1;
+ original_state = s->state;
+
+ suspend_change =
+ (original_state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(state)) ||
+ (PA_SINK_IS_OPENED(original_state) && state == PA_SINK_SUSPENDED);
+
+ if (s->set_state)
+ if ((ret = s->set_state(s, state)) < 0)
+ return ret;
+
+ if (s->asyncmsgq)
+ if ((ret = pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL)) < 0) {
+
+ if (s->set_state)
+ s->set_state(s, original_state);
+
+ return ret;
+ }
+
+ s->state = state;
- if ((s->state == PA_SINK_SUSPENDED && PA_SINK_OPENED(state)) ||
- (PA_SINK_OPENED(s->state) && state == PA_SINK_SUSPENDED)) {
+ if (suspend_change) {
pa_sink_input *i;
uint32_t idx;
-
+
/* We're suspending or resuming, tell everyone about it */
-
+
for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx)))
if (i->suspend)
i->suspend(i, 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;
-
- s->state = state;
- if (state != PA_SINK_UNLINKED) /* if we enter UNLINKED state pa_sink_unlink() will fire the apropriate events */
+ if (state != PA_SINK_UNLINKED) { /* if we enter UNLINKED state pa_sink_unlink() will fire the apropriate events */
pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_STATE_CHANGED], s);
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ }
+
return 0;
}
+/* Called from main context */
+void pa_sink_put(pa_sink* s) {
+ pa_sink_assert_ref(s);
+
+ pa_assert(s->state == PA_SINK_INIT);
+
+ /* The following fields must be initialized properly when calling _put() */
+ pa_assert(s->asyncmsgq);
+ pa_assert(s->rtpoll);
+ pa_assert(!s->thread_info.min_latency || !s->thread_info.max_latency ||
+ s->thread_info.min_latency <= s->thread_info.max_latency);
+
+ if (!(s->flags & PA_SINK_HW_VOLUME_CTRL)) {
+ s->flags |= PA_SINK_DECIBEL_VOLUME;
+
+ s->thread_info.soft_volume = s->soft_volume;
+ s->thread_info.soft_muted = s->muted;
+ }
+
+ if (s->flags & PA_SINK_DECIBEL_VOLUME)
+ s->n_volume_steps = PA_VOLUME_NORM+1;
+
+ if (s->core->flat_volumes)
+ if (s->flags & PA_SINK_DECIBEL_VOLUME)
+ s->flags |= PA_SINK_FLAT_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_PUT], s);
+}
+
+/* Called from main context */
void pa_sink_unlink(pa_sink* s) {
+ pa_bool_t linked;
pa_sink_input *i, *j = NULL;
pa_assert(s);
- pa_assert(PA_SINK_LINKED(s->state));
- pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK], s);
-
- pa_namereg_unregister(s->core, s->name);
+ /* Please note that pa_sink_unlink() does more than simply
+ * reversing pa_sink_put(). It also undoes the registrations
+ * already done in pa_sink_new()! */
+
+ /* All operations here shall be idempotent, i.e. pa_sink_unlink()
+ * may be called multiple times on the same sink without bad
+ * effects. */
+
+ linked = PA_SINK_IS_LINKED(s->state);
+
+ if (linked)
+ pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK], s);
+
+ if (s->state != PA_SINK_UNLINKED)
+ pa_namereg_unregister(s->core, s->name);
pa_idxset_remove_by_data(s->core->sinks, s, NULL);
+ if (s->card)
+ pa_idxset_remove_by_data(s->card->sinks, s, NULL);
+
while ((i = pa_idxset_first(s->inputs, NULL))) {
pa_assert(i != j);
pa_sink_input_kill(i);
j = i;
}
- if (s->monitor_source)
- pa_source_unlink(s->monitor_source);
-
- sink_set_state(s, PA_SINK_UNLINKED);
+ if (linked)
+ sink_set_state(s, PA_SINK_UNLINKED);
+ 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);
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
+ if (s->monitor_source)
+ pa_source_unlink(s->monitor_source);
- pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK_POST], s);
+ if (linked) {
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
+ pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK_POST], s);
+ }
}
+/* Called from main context */
static void sink_free(pa_object *o) {
pa_sink *s = PA_SINK(o);
pa_sink_input *i;
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);
while ((i = pa_hashmap_steal_first(s->thread_info.inputs)))
pa_sink_input_unref(i);
-
+
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);
}
+/* Called from main context */
void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q) {
pa_sink_assert_ref(s);
- pa_assert(q);
s->asyncmsgq = q;
pa_source_set_asyncmsgq(s->monitor_source, q);
}
+/* Called from main context */
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)
pa_source_set_rtpoll(s->monitor_source, p);
}
+/* Called from main context */
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;
return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE);
}
-int pa_sink_suspend(pa_sink *s, int suspend) {
+/* Called from main context */
+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);
return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE);
}
-void pa_sink_ping(pa_sink *s) {
+/* Called from main context */
+pa_queue *pa_sink_move_all_start(pa_sink *s) {
+ pa_queue *q;
+ pa_sink_input *i, *n;
+ uint32_t idx;
+
+ pa_sink_assert_ref(s);
+ pa_assert(PA_SINK_IS_LINKED(s->state));
+
+ q = pa_queue_new();
+
+ for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = n) {
+ n = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx));
+
+ if (pa_sink_input_start_move(i) >= 0)
+ pa_queue_push(q, pa_sink_input_ref(i));
+ }
+
+ return q;
+}
+
+/* Called from main context */
+void pa_sink_move_all_finish(pa_sink *s, pa_queue *q) {
+ pa_sink_input *i;
+
+ pa_sink_assert_ref(s);
+ pa_assert(PA_SINK_IS_LINKED(s->state));
+ pa_assert(q);
+
+ while ((i = PA_SINK_INPUT(pa_queue_pop(q)))) {
+ if (pa_sink_input_finish_move(i, s) < 0)
+ pa_sink_input_unlink(i);
+
+ pa_sink_input_unref(i);
+ }
+
+ pa_queue_free(q, NULL, NULL);
+}
+
+/* Called from main context */
+void pa_sink_move_all_fail(pa_queue *q) {
+ pa_sink_input *i;
+ pa_assert(q);
+
+ while ((i = PA_SINK_INPUT(pa_queue_pop(q)))) {
+ pa_sink_input_unlink(i);
+ pa_sink_input_unref(i);
+ }
+
+ pa_queue_free(q, NULL, NULL);
+}
+
+/* Called from IO thread context */
+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->thread_info.state));
+
+ s->thread_info.rewind_nbytes = 0;
+ s->thread_info.rewind_requested = FALSE;
- pa_asyncmsgq_post(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_PING, NULL, 0, NULL, NULL);
+ if (nbytes > 0)
+ 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 (nbytes > 0)
+ if (s->monitor_source && PA_SOURCE_IS_OPENED(s->monitor_source->thread_info.state))
+ pa_source_process_rewind(s->monitor_source, nbytes);
}
-static unsigned fill_mix_info(pa_sink *s, pa_mix_info *info, unsigned maxinfo) {
+/* Called from IO thread context */
+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);
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, &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);
maxinfo--;
}
+ if (mixlength > 0)
+ *length = mixlength;
+
return n;
}
-static void inputs_drop(pa_sink *s, pa_mix_info *info, unsigned n, size_t length) {
+/* Called from IO thread context */
+static void inputs_drop(pa_sink *s, pa_mix_info *info, unsigned n, pa_memchunk *result) {
pa_sink_input *i;
void *state = NULL;
unsigned p = 0;
unsigned n_unreffed = 0;
pa_sink_assert_ref(s);
+ pa_assert(result);
+ pa_assert(result->memblock);
+ pa_assert(result->length > 0);
/* We optimize for the case where the order of the inputs has not changed */
while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) {
unsigned j;
- pa_mix_info* m;
+ pa_mix_info* m = NULL;
pa_sink_input_assert_ref(i);
- m = NULL;
-
/* Let's try to find the matching entry info the pa_mix_info array */
for (j = 0; j < n; j ++) {
}
/* Drop read data */
- pa_sink_input_drop(i, length);
+ pa_sink_input_drop(i, result->length);
+
+ if (s->monitor_source && PA_SOURCE_IS_OPENED(pa_source_get_state(s->monitor_source))) {
+
+ if (pa_hashmap_size(i->thread_info.direct_outputs) > 0) {
+ void *ostate = NULL;
+ pa_source_output *o;
+ pa_memchunk c;
+
+ if (m && m->chunk.memblock) {
+ c = m->chunk;
+ pa_memblock_ref(c.memblock);
+ pa_assert(result->length <= c.length);
+ c.length = result->length;
+
+ pa_memchunk_make_writable(&c, 0);
+ pa_volume_memchunk(&c, &s->sample_spec, &m->volume);
+ } else {
+ c = s->silence;
+ pa_memblock_ref(c.memblock);
+ pa_assert(result->length <= c.length);
+ c.length = result->length;
+ }
+
+ while ((o = pa_hashmap_iterate(i->thread_info.direct_outputs, &ostate, NULL))) {
+ pa_source_output_assert_ref(o);
+ pa_assert(o->direct_on_input == i);
+ pa_source_post_direct(s->monitor_source, o, &c);
+ }
+
+ pa_memblock_unref(c.memblock);
+ }
+ }
if (m) {
- pa_sink_input_unref(m->userdata);
- m->userdata = NULL;
if (m->chunk.memblock)
pa_memblock_unref(m->chunk.memblock);
- pa_memchunk_reset(&m->chunk);
+ pa_memchunk_reset(&m->chunk);
+
+ pa_sink_input_unref(m->userdata);
+ m->userdata = NULL;
n_unreffed += 1;
}
pa_memblock_unref(info->chunk.memblock);
}
}
+
+ if (s->monitor_source && PA_SOURCE_IS_OPENED(pa_source_get_state(s->monitor_source)))
+ pa_source_post(s->monitor_source, result);
}
+/* Called from IO thread context */
void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) {
pa_mix_info info[MAX_MIX_CHANNELS];
unsigned n;
+ size_t block_size_max;
pa_sink_assert_ref(s);
- pa_assert(PA_SINK_OPENED(s->thread_info.state));
- pa_assert(length);
+ 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);
- n = s->thread_info.state == PA_SINK_RUNNING ? fill_mix_info(s, info, MAX_MIX_CHANNELS) : 0;
+ pa_assert(!s->thread_info.rewind_requested);
+ pa_assert(s->thread_info.rewind_nbytes == 0);
- if (n == 0) {
+ if (length <= 0)
+ length = pa_frame_align(MIX_BUFFER_LENGTH, &s->sample_spec);
- if (length > SILENCE_BUFFER_LENGTH)
- length = SILENCE_BUFFER_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);
- 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);
- }
+ pa_assert(length > 0);
- result->memblock = pa_memblock_ref(s->silence);
- result->length = length;
- result->index = 0;
+ n = fill_mix_info(s, &length, info, MAX_MIX_CHANNELS);
+
+ if (n == 0) {
+
+ *result = s->silence;
+ pa_memblock_ref(result->memblock);
+
+ if (result->length > length)
+ result->length = length;
} else if (n == 1) {
pa_cvolume volume;
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;
}
- if (s->thread_info.state == PA_SINK_RUNNING)
- inputs_drop(s, info, n, result->length);
-
- if (s->monitor_source)
- pa_source_post(s->monitor_source, result);
+ inputs_drop(s, info, n, result);
pa_sink_unref(s);
}
+/* Called from IO thread context */
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);
+ pa_assert(target->length > 0);
+ pa_assert(pa_frame_aligned(target->length, &s->sample_spec));
pa_sink_ref(s);
- n = s->thread_info.state == PA_SINK_RUNNING ? fill_mix_info(s, info, MAX_MIX_CHANNELS) : 0;
+ pa_assert(!s->thread_info.rewind_requested);
+ pa_assert(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);
+
+ pa_assert(length > 0);
+
+ n = fill_mix_info(s, &length, info, MAX_MIX_CHANNELS);
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 > length)
+ vchunk.length = 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 {
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);
pa_memblock_release(target->memblock);
}
- if (s->thread_info.state == PA_SINK_RUNNING)
- inputs_drop(s, info, n, target->length);
-
- if (s->monitor_source)
- pa_source_post(s->monitor_source, target);
+ inputs_drop(s, info, n, target);
pa_sink_unref(s);
}
+/* Called from IO thread context */
void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target) {
pa_memchunk chunk;
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);
+ pa_assert(target->length > 0);
+ pa_assert(pa_frame_aligned(target->length, &s->sample_spec));
pa_sink_ref(s);
+ pa_assert(!s->thread_info.rewind_requested);
+ pa_assert(s->thread_info.rewind_nbytes == 0);
+
l = target->length;
d = 0;
while (l > 0) {
pa_sink_unref(s);
}
+/* Called from IO thread context */
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(length);
+ 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);
+ pa_assert(!s->thread_info.rewind_requested);
+ pa_assert(s->thread_info.rewind_nbytes == 0);
+
/*** This needs optimization ***/
- result->memblock = pa_memblock_new(s->core->mempool, result->length = length);
result->index = 0;
+ result->length = length;
+ result->memblock = pa_memblock_new(s->core->mempool, length);
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);
-
- 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);
- }
- }
-}
-
+/* Called from main thread */
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)
+ if (!(s->flags & PA_SINK_LATENCY))
return 0;
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) == 0);
+
return usec;
}
-void pa_sink_set_volume(pa_sink *s, const pa_cvolume *volume) {
- int changed;
+/* Called from main thread */
+void pa_sink_update_flat_volume(pa_sink *s, pa_cvolume *new_volume) {
+ pa_sink_input *i;
+ uint32_t idx;
- pa_sink_assert_ref(s);
- pa_assert(PA_SINK_LINKED(s->state));
- pa_assert(volume);
+ /* This is called whenever a sink input volume changes and we
+ * might need to fix up the sink volume accordingly. Please note
+ * that we don't actually update the sinks volume here, we only
+ * return how it needs to be updated. The caller should then call
+ * pa_sink_set_flat_volume().*/
- changed = !pa_cvolume_equal(volume, &s->volume);
- s->volume = *volume;
+ pa_cvolume_mute(new_volume, s->channel_map.channels);
- if (s->set_volume && s->set_volume(s) < 0)
- s->set_volume = NULL;
+ /* First let's determine the new maximum volume of all inputs
+ * connected to this sink */
+ for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx))) {
+ unsigned c;
+ pa_cvolume remapped_volume;
- if (!s->set_volume)
- pa_asyncmsgq_post(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME, pa_xnewdup(struct pa_cvolume, volume, 1), 0, NULL, pa_xfree);
+ remapped_volume = i->virtual_volume;
+ pa_cvolume_remap(&remapped_volume, &i->channel_map, &s->channel_map);
- if (changed)
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ for (c = 0; c < new_volume->channels; c++)
+ if (remapped_volume.values[c] > new_volume->values[c])
+ new_volume->values[c] = remapped_volume.values[c];
+ }
+
+ /* Then, let's update the soft volumes of all inputs connected
+ * to this sink */
+ for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx))) {
+ pa_cvolume remapped_new_volume;
+
+ remapped_new_volume = *new_volume;
+ pa_cvolume_remap(&remapped_new_volume, &s->channel_map, &i->channel_map);
+ pa_sw_cvolume_divide(&i->soft_volume, &i->virtual_volume, &remapped_new_volume);
+
+ /* Hooks have the ability to play games with i->soft_volume */
+ pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_INPUT_SET_VOLUME], i);
+
+ /* We don't issue PA_SINK_INPUT_MESSAGE_SET_VOLUME because
+ * we want the update to have atomically with the sink
+ * volume update, hence we do it within the
+ * pa_sink_set_flat_volume() call below*/
+ }
}
-const pa_cvolume *pa_sink_get_volume(pa_sink *s) {
- struct pa_cvolume old_volume;
+/* Called from main thread */
+void pa_sink_propagate_flat_volume(pa_sink *s, const pa_cvolume *old_volume) {
+ pa_sink_input *i;
+ uint32_t idx;
pa_sink_assert_ref(s);
- pa_assert(PA_SINK_LINKED(s->state));
+ pa_assert(PA_SINK_IS_LINKED(s->state));
+ pa_assert(old_volume);
+ pa_assert(s->flags & PA_SINK_FLAT_VOLUME);
- old_volume = s->volume;
+ /* This is called whenever the sink volume changes that is not
+ * caused by a sink input volume change. We need to fix up the
+ * sink input volumes accordingly */
- if (s->get_volume && s->get_volume(s) < 0)
- s->get_volume = NULL;
+ for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx))) {
+ pa_cvolume remapped_old_volume, remapped_new_volume, fixed_volume;
+ unsigned c;
- if (!s->get_volume && s->refresh_volume)
- pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_VOLUME, &s->volume, 0, NULL);
+ remapped_new_volume = s->virtual_volume;
+ pa_cvolume_remap(&remapped_new_volume, &s->channel_map, &i->channel_map);
- if (!pa_cvolume_equal(&old_volume, &s->volume))
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ remapped_old_volume = *old_volume;
+ pa_cvolume_remap(&remapped_old_volume, &s->channel_map, &i->channel_map);
- return &s->volume;
-}
+ for (c = 0; c < i->sample_spec.channels; c++)
-void pa_sink_set_mute(pa_sink *s, int mute) {
- int changed;
+ if (remapped_old_volume.values[c] == PA_VOLUME_MUTED)
+ fixed_volume.values[c] = PA_VOLUME_MUTED;
+ else
+ fixed_volume.values[c] = (pa_volume_t)
+ ((uint64_t) i->virtual_volume.values[c] *
+ (uint64_t) remapped_new_volume.values[c] /
+ (uint64_t) remapped_old_volume.values[c]);
+
+ fixed_volume.channels = i->virtual_volume.channels;
+
+ if (!pa_cvolume_equal(&fixed_volume, &i->virtual_volume)) {
+ i->virtual_volume = fixed_volume;
+
+ /* The virtual volume changed, let's tell people so */
+ pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
+ }
+ }
+}
+
+/* Called from main thread */
+void pa_sink_set_volume(pa_sink *s, const pa_cvolume *volume, pa_bool_t propagate, pa_bool_t sendmsg) {
+ pa_cvolume old_virtual_volume;
+ pa_bool_t virtual_volume_changed;
pa_sink_assert_ref(s);
- pa_assert(PA_SINK_LINKED(s->state));
+ pa_assert(PA_SINK_IS_LINKED(s->state));
+ pa_assert(volume);
+ pa_assert(pa_cvolume_valid(volume));
+ pa_assert(pa_cvolume_compatible(volume, &s->sample_spec));
- changed = s->muted != mute;
- s->muted = mute;
+ old_virtual_volume = s->virtual_volume;
+ s->virtual_volume = *volume;
+ virtual_volume_changed = !pa_cvolume_equal(&old_virtual_volume, &s->virtual_volume);
- if (s->set_mute && s->set_mute(s) < 0)
- s->set_mute = NULL;
+ /* Propagate this volume change back to the inputs */
+ if (virtual_volume_changed)
+ if (propagate && (s->flags & PA_SINK_FLAT_VOLUME))
+ pa_sink_propagate_flat_volume(s, &old_virtual_volume);
- if (!s->set_mute)
- pa_asyncmsgq_post(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MUTE, PA_UINT_TO_PTR(mute), 0, NULL, NULL);
+ if (s->set_volume) {
+ /* If we have a function set_volume(), then we do not apply a
+ * soft volume by default. However, set_volume() is apply one
+ * to s->soft_volume */
- if (changed)
+ pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
+ s->set_volume(s);
+
+ } else
+ /* If we have no function set_volume(), then the soft volume
+ * becomes the virtual volume */
+ s->soft_volume = s->virtual_volume;
+
+ /* This tells the sink that soft and/or virtual volume changed */
+ if (sendmsg)
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME, NULL, 0, NULL) == 0);
+
+ if (virtual_volume_changed)
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
-int pa_sink_get_mute(pa_sink *s) {
- int old_muted;
+/* Called from main thread. Only to be called by sink implementor */
+void pa_sink_set_soft_volume(pa_sink *s, const pa_cvolume *volume) {
+ pa_sink_assert_ref(s);
+ pa_assert(volume);
+
+ s->soft_volume = *volume;
+
+ if (PA_SINK_IS_LINKED(s->state))
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME, NULL, 0, NULL) == 0);
+ else
+ s->thread_info.soft_volume = *volume;
+}
+
+/* Called from main thread */
+const pa_cvolume *pa_sink_get_volume(pa_sink *s, pa_bool_t force_refresh) {
+ pa_sink_assert_ref(s);
+
+ if (s->refresh_volume || force_refresh) {
+ struct pa_cvolume old_virtual_volume = s->virtual_volume;
+
+ if (s->get_volume)
+ s->get_volume(s);
+
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_VOLUME, NULL, 0, NULL) == 0);
+
+ if (!pa_cvolume_equal(&old_virtual_volume, &s->virtual_volume)) {
+
+ if (s->flags & PA_SINK_FLAT_VOLUME)
+ pa_sink_propagate_flat_volume(s, &old_virtual_volume);
+
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ }
+ }
+
+ return &s->virtual_volume;
+}
+
+/* Called from main thread */
+void pa_sink_set_mute(pa_sink *s, pa_bool_t mute) {
+ 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;
+ s->muted = mute;
- if (s->get_mute && s->get_mute(s) < 0)
- s->get_mute = NULL;
+ if (s->set_mute)
+ s->set_mute(s);
- if (!s->get_mute && s->refresh_mute)
- pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MUTE, &s->muted, 0, NULL);
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MUTE, NULL, 0, NULL) == 0);
if (old_muted != s->muted)
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+}
+
+/* Called from main thread */
+pa_bool_t pa_sink_get_mute(pa_sink *s, pa_bool_t force_refresh) {
+
+ pa_sink_assert_ref(s);
+
+ if (s->refresh_muted || force_refresh) {
+ pa_bool_t old_muted = s->muted;
+
+ if (s->get_mute)
+ s->get_mute(s);
+
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MUTE, NULL, 0, NULL) == 0);
+
+ if (old_muted != s->muted)
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ }
return s->muted;
}
-void pa_sink_set_module(pa_sink *s, pa_module *m) {
- pa_sink_assert_ref(s);
+/* Called from main thread */
+pa_bool_t pa_sink_update_proplist(pa_sink *s, pa_update_mode_t mode, pa_proplist *p) {
- if (s->module == m)
- return;
+ pa_sink_assert_ref(s);
- s->module = m;
+ pa_proplist_update(s->proplist, mode, p);
- if (s->monitor_source)
- pa_source_set_module(s->monitor_source, m);
+ if (PA_SINK_IS_LINKED(s->state)) {
+ pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], s);
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ }
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ return TRUE;
}
+/* Called from main thread */
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);
}
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ 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_PROPLIST_CHANGED], s);
+ }
+}
+
+/* Called from main thread */
+unsigned pa_sink_linked_by(pa_sink *s) {
+ unsigned ret;
+
+ pa_sink_assert_ref(s);
+ pa_assert(PA_SINK_IS_LINKED(s->state));
+
+ ret = pa_idxset_size(s->inputs);
+
+ /* We add in the number of streams connected to us here. Please
+ * note the asymmmetry to pa_sink_used_by()! */
+
+ if (s->monitor_source)
+ ret += pa_source_linked_by(s->monitor_source);
+
+ return ret;
}
+/* Called from main thread */
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);
+
+ /* Streams connected to our monitor source do not matter for
+ * pa_sink_used_by()!.*/
+
+ return ret - s->n_corked;
+}
+
+/* Called from main thread */
+unsigned pa_sink_check_suspend(pa_sink *s) {
+ unsigned ret;
+ pa_sink_input *i;
+ uint32_t idx;
+
+ pa_sink_assert_ref(s);
+
+ if (!PA_SINK_IS_LINKED(s->state))
+ return 0;
+
+ ret = 0;
+
+ for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx))) {
+ pa_sink_input_state_t st;
+
+ st = pa_sink_input_get_state(i);
+ pa_assert(PA_SINK_INPUT_IS_LINKED(st));
+
+ if (st == PA_SINK_INPUT_CORKED)
+ continue;
+
+ if (i->flags & PA_SINK_INPUT_DONT_INHIBIT_AUTO_SUSPEND)
+ continue;
+
+ ret ++;
+ }
if (s->monitor_source)
- ret += pa_source_used_by(s->monitor_source);
+ ret += pa_source_check_suspend(s->monitor_source);
return ret;
}
+/* Called from the IO thread */
+static void sync_input_volumes_within_thread(pa_sink *s) {
+ pa_sink_input *i;
+ void *state = NULL;
+
+ pa_sink_assert_ref(s);
+
+ while ((i = PA_SINK_INPUT(pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))) {
+ if (pa_cvolume_equal(&i->thread_info.soft_volume, &i->soft_volume))
+ continue;
+
+ i->thread_info.soft_volume = i->soft_volume;
+ pa_sink_input_request_rewind(i, 0, TRUE, FALSE, FALSE);
+ }
+}
+
+/* Called from IO thread, except when it is not */
int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
pa_sink *s = PA_SINK(o);
pa_sink_assert_ref(s);
- pa_assert(PA_SINK_LINKED(s->thread_info.state));
switch ((pa_sink_message_t) code) {
-
+
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
i->thread_info.sync_next->thread_info.sync_prev = i;
}
+ pa_assert(!i->thread_info.attached);
+ i->thread_info.attached = TRUE;
+
if (i->attach)
i->attach(i);
- return 0;
+ pa_sink_input_set_state_within_thread(i, i->state);
+
+ /* The requested latency of the sink input needs to be
+ * fixed up and then configured on the sink */
+
+ if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
+ pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
+
+ pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
+ pa_sink_input_update_max_request(i, s->thread_info.max_request);
+
+ /* 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. */
+
+ /* In flat volume mode we need to update the volume as
+ * well */
+ return o->process_msg(o, PA_SINK_MESSAGE_SET_VOLUME, NULL, 0, NULL);
}
case PA_SINK_MESSAGE_REMOVE_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_PREPAPRE_MOVE, too. */
+
if (i->detach)
i->detach(i);
-
+
+ pa_sink_input_set_state_within_thread(i, i->state);
+
+ pa_assert(i->thread_info.attached);
+ i->thread_info.attached = FALSE;
+
/* Since the caller sleeps in pa_sink_input_unlink(),
* we can safely access data outside of thread_info even
* though it is mutable */
- pa_assert(!i->thread_info.sync_prev);
- pa_assert(!i->thread_info.sync_next);
-
+ pa_assert(!i->sync_prev);
+ pa_assert(!i->sync_next);
+
if (i->thread_info.sync_prev) {
i->thread_info.sync_prev->thread_info.sync_next = i->thread_info.sync_prev->sync_next;
i->thread_info.sync_prev = NULL;
i->thread_info.sync_next->thread_info.sync_prev = i->thread_info.sync_next->sync_prev;
i->thread_info.sync_next = NULL;
}
-
+
if (pa_hashmap_remove(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index)))
pa_sink_input_unref(i);
-
- return 0;
+
+ pa_sink_invalidate_requested_latency(s);
+ pa_sink_request_rewind(s, (size_t) -1);
+
+ /* In flat volume mode we need to update the volume as
+ * well */
+ return o->process_msg(o, PA_SINK_MESSAGE_SET_VOLUME, NULL, 0, NULL);
}
- 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);
-
- if (info->ghost_sink_input) {
- pa_assert(info->buffer_bytes > 0);
- pa_assert(info->buffer);
-
- volume_is_norm = pa_cvolume_is_norm(&info->sink_input->thread_info.volume);
-
- pa_log_debug("Buffering %lu bytes ...", (unsigned long) info->buffer_bytes);
-
- while (info->buffer_bytes > 0) {
- pa_memchunk memchunk;
- pa_cvolume volume;
- size_t n;
-
- if (pa_sink_input_peek(info->sink_input, &memchunk, &volume) < 0)
- break;
-
- n = memchunk.length > info->buffer_bytes ? info->buffer_bytes : memchunk.length;
- pa_sink_input_drop(info->sink_input, n);
- memchunk.length = n;
-
- if (!volume_is_norm) {
- pa_memchunk_make_writable(&memchunk, 0);
- pa_volume_memchunk(&memchunk, &s->sample_spec, &volume);
- }
-
- if (pa_memblockq_push(info->buffer, &memchunk) < 0) {
- pa_memblock_unref(memchunk.memblock);
- break;
- }
-
- pa_memblock_unref(memchunk.memblock);
- info->buffer_bytes -= n;
- }
+ 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 (i->thread_info.state != PA_SINK_INPUT_CORKED) {
+ pa_usec_t usec = 0;
+ size_t sink_nbytes, total_nbytes;
- /* 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);
+ /* Get the latency of the sink */
+ if (!(s->flags & PA_SINK_LATENCY) ||
+ PA_MSGOBJECT(s)->process_msg(PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0)
+ usec = 0;
- pa_memblockq_sink_input_set_queue(info->ghost_sink_input, 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);
- pa_log_debug("Buffered %lu bytes ...", (unsigned long) pa_memblockq_get_length(info->buffer));
+ 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);
+ }
}
+ if (i->detach)
+ i->detach(i);
+
+ pa_assert(i->thread_info.attached);
+ i->thread_info.attached = FALSE;
+
/* 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 (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_log_debug("Requesting rewind due to started move");
+ pa_sink_request_rewind(s, (size_t) -1);
+
+ /* In flat volume mode we need to update the volume as
+ * well */
+ return o->process_msg(o, PA_SINK_MESSAGE_SET_VOLUME, NULL, 0, NULL);
+ }
+
+ case PA_SINK_MESSAGE_FINISH_MOVE: {
+ pa_sink_input *i = PA_SINK_INPUT(userdata);
+
+ /* 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_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i));
+
+ pa_assert(!i->thread_info.attached);
+ i->thread_info.attached = TRUE;
- /* .. 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;
+ if (i->attach)
+ i->attach(i);
+
+ if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
+ pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
+
+ pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
+ pa_sink_input_update_max_request(i, s->thread_info.max_request);
+
+ if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
+ pa_usec_t usec = 0;
+ size_t nbytes;
+
+ /* Get the latency of the sink */
+ if (!(s->flags & PA_SINK_LATENCY) ||
+ 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;
+
+ /* In flat volume mode we need to update the volume as
+ * well */
+ return o->process_msg(o, PA_SINK_MESSAGE_SET_VOLUME, NULL, 0, NULL);
}
case PA_SINK_MESSAGE_SET_VOLUME:
- s->thread_info.soft_volume = *((pa_cvolume*) userdata);
- return 0;
- case PA_SINK_MESSAGE_SET_MUTE:
- s->thread_info.soft_muted = PA_PTR_TO_UINT(userdata);
+ if (!pa_cvolume_equal(&s->thread_info.soft_volume, &s->soft_volume)) {
+ s->thread_info.soft_volume = s->soft_volume;
+ pa_sink_request_rewind(s, (size_t) -1);
+ }
+
+ if (s->flags & PA_SINK_FLAT_VOLUME)
+ sync_input_volumes_within_thread(s);
+
return 0;
case PA_SINK_MESSAGE_GET_VOLUME:
- *((pa_cvolume*) userdata) = s->thread_info.soft_volume;
return 0;
- case PA_SINK_MESSAGE_GET_MUTE:
- *((int*) userdata) = s->thread_info.soft_muted;
+ case PA_SINK_MESSAGE_SET_MUTE:
+
+ if (!s->thread_info.soft_muted != s->muted) {
+ s->thread_info.soft_muted = s->muted;
+ pa_sink_request_rewind(s, (size_t) -1);
+ }
+
return 0;
- case PA_SINK_MESSAGE_PING:
+ case PA_SINK_MESSAGE_GET_MUTE:
return 0;
case PA_SINK_MESSAGE_SET_STATE:
-
+
s->thread_info.state = PA_PTR_TO_UINT(userdata);
return 0;
+ case PA_SINK_MESSAGE_DETACH:
+
+ /* Detach all streams */
+ pa_sink_detach_within_thread(s);
+ return 0;
+
+ case PA_SINK_MESSAGE_ATTACH:
+
+ /* Reattach all streams */
+ pa_sink_attach_within_thread(s);
+ return 0;
+
+ case PA_SINK_MESSAGE_GET_REQUESTED_LATENCY: {
+
+ pa_usec_t *usec = userdata;
+ *usec = pa_sink_get_requested_latency_within_thread(s);
+
+ if (*usec == (pa_usec_t) -1)
+ *usec = s->thread_info.max_latency;
+
+ return 0;
+ }
+
+ case PA_SINK_MESSAGE_SET_LATENCY_RANGE: {
+ pa_usec_t *r = userdata;
+
+ pa_sink_update_latency_range(s, r[0], r[1]);
+
+ return 0;
+ }
+
+ case PA_SINK_MESSAGE_GET_LATENCY_RANGE: {
+ pa_usec_t *r = userdata;
+
+ r[0] = s->thread_info.min_latency;
+ r[1] = s->thread_info.max_latency;
+
+ return 0;
+ }
+
+ case PA_SINK_MESSAGE_GET_MAX_REWIND:
+
+ *((size_t*) userdata) = s->thread_info.max_rewind;
+ return 0;
+
+ case PA_SINK_MESSAGE_GET_MAX_REQUEST:
+
+ *((size_t*) userdata) = s->thread_info.max_request;
+ return 0;
+
case PA_SINK_MESSAGE_GET_LATENCY:
case PA_SINK_MESSAGE_MAX:
;
return -1;
}
-int pa_sink_suspend_all(pa_core *c, int suspend) {
+/* Called from main thread */
+int pa_sink_suspend_all(pa_core *c, pa_bool_t suspend) {
pa_sink *sink;
uint32_t idx;
int ret = 0;
-
+
pa_core_assert_ref(c);
for (sink = PA_SINK(pa_idxset_first(c->sinks, &idx)); sink; sink = PA_SINK(pa_idxset_next(c->sinks, &idx)))
return ret;
}
-int pa_sink_process_inputs(pa_sink *s) {
+/* Called from main thread */
+void pa_sink_detach(pa_sink *s) {
+ pa_sink_assert_ref(s);
+ pa_assert(PA_SINK_IS_LINKED(s->state));
+
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_DETACH, NULL, 0, NULL) == 0);
+}
+
+/* Called from main thread */
+void pa_sink_attach(pa_sink *s) {
+ pa_sink_assert_ref(s);
+ pa_assert(PA_SINK_IS_LINKED(s->state));
+
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_ATTACH, NULL, 0, NULL) == 0);
+}
+
+/* Called from IO thread */
+void pa_sink_detach_within_thread(pa_sink *s) {
pa_sink_input *i;
void *state = NULL;
- int r;
-
+
+ pa_sink_assert_ref(s);
+ pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
+
+ while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
+ if (i->detach)
+ i->detach(i);
+
+ if (s->monitor_source)
+ pa_source_detach_within_thread(s->monitor_source);
+}
+
+/* Called from IO thread */
+void pa_sink_attach_within_thread(pa_sink *s) {
+ pa_sink_input *i;
+ void *state = NULL;
+
+ pa_sink_assert_ref(s);
+ pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
+
+ while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
+ if (i->attach)
+ i->attach(i);
+
+ if (s->monitor_source)
+ pa_source_attach_within_thread(s->monitor_source);
+}
+
+/* Called from IO thread */
+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 == (size_t) -1)
+ nbytes = s->thread_info.max_rewind;
+
+ nbytes = PA_MIN(nbytes, s->thread_info.max_rewind);
+
+ if (s->thread_info.rewind_requested &&
+ nbytes <= s->thread_info.rewind_nbytes)
+ return;
+
+ s->thread_info.rewind_nbytes = nbytes;
+ s->thread_info.rewind_requested = TRUE;
+
+ if (s->request_rewind)
+ s->request_rewind(s);
+}
+
+/* Called from IO thread */
+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_usec_t monitor_latency;
+
+ 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;
+
+ monitor_latency = pa_source_get_requested_latency_within_thread(s->monitor_source);
+
+ if (monitor_latency != (pa_usec_t) -1 &&
+ (result == (pa_usec_t) -1 || result > monitor_latency))
+ result = monitor_latency;
+
+ if (result != (pa_usec_t) -1) {
+ if (s->thread_info.max_latency > 0 && result > s->thread_info.max_latency)
+ result = s->thread_info.max_latency;
+
+ if (s->thread_info.min_latency > 0 && result < s->thread_info.min_latency)
+ result = s->thread_info.min_latency;
+ }
+
+ s->thread_info.requested_latency = result;
+ s->thread_info.requested_latency_valid = TRUE;
+
+ return result;
+}
+
+/* Called from main thread */
+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_LINKED(s->thread_info.state))
+ if (!PA_SINK_IS_OPENED(s->state))
return 0;
-
- while ((i = PA_SINK_INPUT(pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))))
- if (i->process)
- if ((r = i->process(i)))
- return r;
- return 0;
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
+ return usec;
+}
+
+/* Called from IO thread */
+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;
+
+ if (PA_SINK_IS_LINKED(s->thread_info.state)) {
+ 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);
+}
+
+/* Called from IO thread */
+void pa_sink_set_max_request(pa_sink *s, size_t max_request) {
+ void *state = NULL;
+
+ pa_sink_assert_ref(s);
+
+ if (max_request == s->thread_info.max_request)
+ return;
+
+ s->thread_info.max_request = max_request;
+
+ if (PA_SINK_IS_LINKED(s->thread_info.state)) {
+ pa_sink_input *i;
+
+ while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
+ pa_sink_input_update_max_request(i, s->thread_info.max_request);
+ }
+}
+
+/* Called from IO thread */
+void pa_sink_invalidate_requested_latency(pa_sink *s) {
+ pa_sink_input *i;
+ void *state = NULL;
+
+ pa_sink_assert_ref(s);
+
+ s->thread_info.requested_latency_valid = FALSE;
+
+ if (s->update_requested_latency)
+ s->update_requested_latency(s);
+
+ while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
+ if (i->update_sink_requested_latency)
+ i->update_sink_requested_latency(i);
+}
+
+/* Called from main thread */
+void pa_sink_set_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
+ pa_sink_assert_ref(s);
+
+ /* min_latency == 0: no limit
+ * min_latency == (size_t) -1: default limit
+ * min_latency anything else: specified limit
+ *
+ * Similar for max_latency */
+
+ if (min_latency == (pa_usec_t) -1)
+ min_latency = DEFAULT_MIN_LATENCY;
+
+ if (max_latency == (pa_usec_t) -1)
+ max_latency = min_latency;
+
+ pa_assert(!min_latency || !max_latency ||
+ min_latency <= max_latency);
+
+ if (PA_SINK_IS_LINKED(s->state)) {
+ pa_usec_t r[2];
+
+ r[0] = min_latency;
+ r[1] = max_latency;
+
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_LATENCY_RANGE, r, 0, NULL) == 0);
+ } else {
+ s->thread_info.min_latency = min_latency;
+ s->thread_info.max_latency = max_latency;
+
+ s->monitor_source->thread_info.min_latency = min_latency;
+ s->monitor_source->thread_info.max_latency = max_latency;
+
+ s->thread_info.requested_latency_valid = s->monitor_source->thread_info.requested_latency_valid = FALSE;
+ }
+}
+
+/* Called from main thread */
+void pa_sink_get_latency_range(pa_sink *s, pa_usec_t *min_latency, pa_usec_t *max_latency) {
+ pa_sink_assert_ref(s);
+ pa_assert(min_latency);
+ pa_assert(max_latency);
+
+ if (PA_SINK_IS_LINKED(s->state)) {
+ pa_usec_t r[2] = { 0, 0 };
+
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY_RANGE, r, 0, NULL) == 0);
+
+ *min_latency = r[0];
+ *max_latency = r[1];
+ } else {
+ *min_latency = s->thread_info.min_latency;
+ *max_latency = s->thread_info.max_latency;
+ }
+}
+
+/* Called from IO thread */
+void pa_sink_update_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
+ pa_sink_input *i;
+ void *state = NULL;
+
+ pa_sink_assert_ref(s);
+
+ s->thread_info.min_latency = min_latency;
+ s->thread_info.max_latency = max_latency;
+
+ while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
+ if (i->update_sink_latency_range)
+ i->update_sink_latency_range(i);
+
+ pa_sink_invalidate_requested_latency(s);
+
+ pa_source_update_latency_range(s->monitor_source, min_latency, max_latency);
+}
+
+/* Called from main context */
+size_t pa_sink_get_max_rewind(pa_sink *s) {
+ size_t r;
+ pa_sink_assert_ref(s);
+
+ if (!PA_SINK_IS_LINKED(s->state))
+ return s->thread_info.max_rewind;
+
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REWIND, &r, 0, NULL) == 0);
+
+ return r;
+}
+
+/* Called from main context */
+size_t pa_sink_get_max_request(pa_sink *s) {
+ size_t r;
+ pa_sink_assert_ref(s);
+
+ if (!PA_SINK_IS_LINKED(s->state))
+ return s->thread_info.max_request;
+
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REQUEST, &r, 0, NULL) == 0);
+
+ return r;
}