#include "source.h"
-#define CHECK_VALIDITY_RETURN_NULL(condition) \
-do {\
-if (!(condition)) \
- return NULL; \
-} while (0)
-
pa_source* pa_source_new(
pa_core *core,
const char *driver,
assert(name);
assert(spec);
- CHECK_VALIDITY_RETURN_NULL(pa_sample_spec_valid(spec));
+ pa_return_null_if_fail(pa_sample_spec_valid(spec));
if (!map)
map = pa_channel_map_init_auto(&tmap, spec->channels, PA_CHANNEL_MAP_DEFAULT);
- CHECK_VALIDITY_RETURN_NULL(map && pa_channel_map_valid(map));
- CHECK_VALIDITY_RETURN_NULL(map->channels == spec->channels);
- CHECK_VALIDITY_RETURN_NULL(!driver || pa_utf8_valid(driver));
- CHECK_VALIDITY_RETURN_NULL(pa_utf8_valid(name) && *name);
+ pa_return_null_if_fail(map && pa_channel_map_valid(map));
+ pa_return_null_if_fail(map->channels == spec->channels);
+ pa_return_null_if_fail(!driver || pa_utf8_valid(driver));
+ pa_return_null_if_fail(pa_utf8_valid(name) && *name);
- s = pa_xnew(pa_source, 1);
+ s = pa_msgobject_new(pa_source);
if (!(name = pa_namereg_register(core, name, PA_NAMEREG_SOURCE, s, fail))) {
pa_xfree(s);
return NULL;
}
- s->ref = 1;
+ s->parent.parent.free = source_free;
+ s->parent.process_msg = pa_source_process_msg;
+
s->core = core;
- s->state = PA_SOURCE_RUNNING;
+ pa_atomic_store(&s->state, PA_SOURCE_IDLE);
s->name = pa_xstrdup(name);
s->description = NULL;
s->driver = pa_xstrdup(driver);
- s->owner = NULL;
+ s->module = NULL;
s->sample_spec = *spec;
s->channel_map = *map;
s->outputs = pa_idxset_new(NULL, NULL);
s->monitor_of = NULL;
- pa_cvolume_reset(&s->sw_volume, spec->channels);
- pa_cvolume_reset(&s->hw_volume, spec->channels);
- s->sw_muted = 0;
- s->hw_muted = 0;
+ pa_cvolume_reset(&s->volume, spec->channels);
+ s->muted = 0;
+ s->refresh_volume = s->refresh_mute = 0;
s->is_hardware = 0;
s->get_latency = NULL;
- s->notify = NULL;
- s->set_hw_volume = NULL;
- s->get_hw_volume = NULL;
- s->set_hw_mute = NULL;
- s->get_hw_mute = NULL;
+ s->set_volume = NULL;
+ s->get_volume = NULL;
+ s->set_mute = NULL;
+ s->get_mute = NULL;
+ s->start = NULL;
+ s->stop = NULL;
s->userdata = NULL;
+ pa_assert_se(s->asyncmsgq = pa_asyncmsgq_new(0));
+
r = pa_idxset_put(core->sources, s, &s->index);
assert(s->index != PA_IDXSET_INVALID && r >= 0);
pa_sample_spec_snprint(st, sizeof(st), spec);
- pa_log_info("created %u \"%s\" with sample spec \"%s\"", s->index, s->name, st);
+ pa_log_info("Created source %u \"%s\" with sample spec \"%s\"", s->index, s->name, st);
+ s->thread_info.outputs = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
+ s->thread_info.soft_volume = s->volume;
+ s->thread_info.soft_muted = s->muted;
+
pa_subscription_post(core, PA_SUBSCRIPTION_EVENT_SOURCE | PA_SUBSCRIPTION_EVENT_NEW, s->index);
return s;
}
+static void source_start(pa_source *s) {
+ pa_source_state_t state;
+ pa_assert(s);
+
+ state = pa_source_get_state(s);
+ pa_return_if_fail(state == PA_SOURCE_IDLE || state == PA_SOURCE_SUSPENDED);
+
+ pa_atomic_store(&s->state, PA_SOURCE_RUNNING);
+
+ if (s->start)
+ s->start(s);
+ else
+ pa_asyncmsgq_post(s->asyncmsgq, s, PA_SOURCE_MESSAGE_START, NULL, NULL, pa_source_unref, NULL);
+}
+
+static void source_stop(pa_source *s) {
+ pa_source_state_t state;
+ int stop;
+
+ pa_assert(s);
+ state = pa_source_get_state(s);
+ pa_return_if_fail(state == PA_SOURCE_RUNNING || state == PA_SOURCE_SUSPENDED);
+
+ stop = state == PA_SOURCE_RUNNING;
+ pa_atomic_store(&s->state, PA_SOURCE_IDLE);
+
+ if (stop) {
+ if (s->stop)
+ s->stop(s);
+ else
+ pa_asyncmsgq_post(s->asyncmsgq, s, PA_SOURCE_MESSAGE_STOP, NULL, NULL, pa_source_unref, NULL);
+ }
+}
+
void pa_source_disconnect(pa_source *s) {
pa_source_output *o, *j = NULL;
- assert(s);
- assert(s->state == PA_SOURCE_RUNNING);
+ pa_assert(s);
+ pa_return_if_fail(pa_sink_get_state(s) != PA_SINK_DISCONNECT);
- s->state = PA_SOURCE_DISCONNECTED;
+ source_stop(s);
+
+ pa_atomic_store(&s->state, PA_SOURCE_DISCONNECTED);
pa_namereg_unregister(s->core, s->name);
pa_hook_fire(&s->core->hook_source_disconnect, s);
while ((o = pa_idxset_first(s->outputs, NULL))) {
- assert(o != j);
+ pa_assert(o != j);
pa_source_output_kill(o);
j = o;
}
pa_idxset_remove_by_data(s->core->sources, s, NULL);
s->get_latency = NULL;
- s->notify = NULL;
- s->get_hw_volume = NULL;
- s->set_hw_volume = NULL;
- s->set_hw_mute = NULL;
- s->get_hw_mute = NULL;
+ s->get_volume = NULL;
+ s->set_volume = NULL;
+ s->set_mute = NULL;
+ s->get_mute = NULL;
+ s->start = NULL;
+ s->stop = NULL;
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
}
-static void source_free(pa_source *s) {
- assert(s);
- assert(!s->ref);
+static void source_free(pa_msgobject *o) {
+ pa_source *s = PA_SOURCE(o);
+
+ pa_assert(s);
+ pa_assert(pa_source_refcnt(s) == 0);
- if (s->state != PA_SOURCE_DISCONNECTED)
- pa_source_disconnect(s);
+ pa_source_disconnect(s);
- pa_log_info("freed %u \"%s\"", s->index, s->name);
+ pa_log_info("Freeing source %u \"%s\"", s->index, s->name);
pa_idxset_free(s->outputs, NULL, NULL);
+ pa_hashmap_free(s->thread_info.outputs, pa_sink_output_unref, NULL);
+ pa_asyncmsgq_free(s->asyncmsgq);
+
pa_xfree(s->name);
pa_xfree(s->description);
pa_xfree(s->driver);
pa_xfree(s);
}
-void pa_source_unref(pa_source *s) {
- assert(s);
- assert(s->ref >= 1);
+void pa_source_update_status(pa_source*s) {
+ pa_source_assert_ref(s);
- if (!(--s->ref))
- source_free(s);
+ if (pa_source_get_state(s) == PA_SOURCE_STATE_SUSPENDED)
+ return;
+
+ if (pa_source_used_by(s) > 0)
+ source_start(s);
+ else
+ source_stop(s);
}
-pa_source* pa_source_ref(pa_source *s) {
- assert(s);
- assert(s->ref >= 1);
+void pa_source_suspend(pa_source *s, int suspend) {
+ pa_source_state_t state;
- s->ref++;
- return s;
-}
+ pa_source_assert_ref(s);
-void pa_source_notify(pa_source*s) {
- assert(s);
- assert(s->ref >= 1);
+ state = pa_source_get_state(s);
+ pa_return_if_fail(suspend && (s->state == PA_SOURCE_RUNNING || s->state == PA_SOURCE_IDLE));
+ pa_return_if_fail(!suspend && (s->state == PA_SOURCE_SUSPENDED));
- if (s->notify)
- s->notify(s);
-}
-static int do_post(void *p, PA_GCC_UNUSED uint32_t idx, PA_GCC_UNUSED int *del, void*userdata) {
- pa_source_output *o = p;
- const pa_memchunk *chunk = userdata;
+ if (suspend) {
+ pa_atomic_store(&s->state, PA_SOURCE_SUSPENDED);
- assert(o);
- assert(chunk);
+ if (s->stop)
+ s->stop(s);
+ else
+ pa_asyncmsgq_post(s->asyncmsgq, s, PA_SOURCE_MESSAGE_STOP, NULL, NULL, pa_source_unref, NULL);
+
+ } else {
+ pa_atomic_store(&s->state, PA_SOURCE_RUNNING);
- pa_source_output_push(o, chunk);
- return 0;
+ if (s->start)
+ s->start(s);
+ else
+ pa_asyncmsgq_post(s->asyncmsgq, s, PA_SOURCE_MESSAGE_START, NULL, NULL, pa_source_unref, NULL);
+ }
}
void pa_source_post(pa_source*s, const pa_memchunk *chunk) {
- assert(s);
- assert(s->ref >= 1);
- assert(chunk);
-
- pa_source_ref(s);
+ pa_source_output *o;
+ void *state = NULL;
+
+ pa_source_assert_ref(s);
+ pa_assert(chunk);
if (s->sw_muted || !pa_cvolume_is_norm(&s->sw_volume)) {
pa_memchunk vchunk = *chunk;
pa_memblock_ref(vchunk.memblock);
pa_memchunk_make_writable(&vchunk, 0);
- if (s->sw_muted)
+
+ if (s->thread_info.muted || pa_cvolume_is_muted(s->thread_info.volume))
pa_silence_memchunk(&vchunk, &s->sample_spec);
else
- pa_volume_memchunk(&vchunk, &s->sample_spec, &s->sw_volume);
- pa_idxset_foreach(s->outputs, do_post, &vchunk);
+ pa_volume_memchunk(&vchunk, &s->sample_spec, &s->thread_info.volume);
+
+ while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
+ pa_source_output_push(o, &vchunk);
+
pa_memblock_unref(vchunk.memblock);
- } else
- pa_idxset_foreach(s->outputs, do_post, (void*) chunk);
+ } else {
+
+ while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
+ pa_source_output_push(o, chunk);
- pa_source_unref(s);
+ }
}
-void pa_source_set_owner(pa_source *s, pa_module *m) {
- assert(s);
- assert(s->ref >= 1);
-
- if (m == s->owner)
- return;
+pa_usec_t pa_source_get_latency(pa_source *s) {
+ pa_usec_t usec;
- s->owner = m;
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
-}
+ pa_source_assert_ref(s);
-pa_usec_t pa_source_get_latency(pa_source *s) {
- assert(s);
- assert(s->ref >= 1);
+ if (s->get_latency)
+ return s->get_latency(s);
- if (!s->get_latency)
+ if (pa_asyncmsgq_send(s->asyncmsgq, s, PA_SOURCE_MESSAGE_GET_LATENCY, &usec, NULL) < 0)
return 0;
- return s->get_latency(s);
+ return usec;
}
-void pa_source_set_volume(pa_source *s, pa_mixer_t m, const pa_cvolume *volume) {
+void pa_source_set_volume(pa_source *s, const pa_cvolume *volume) {
pa_cvolume *v;
- assert(s);
- assert(s->ref >= 1);
- assert(volume);
-
- if (m == PA_MIXER_HARDWARE && s->set_hw_volume)
- v = &s->hw_volume;
- else
- v = &s->sw_volume;
-
- if (pa_cvolume_equal(v, volume))
- return;
+ pa_source_assert_ref(s);
+ pa_assert(volume);
- *v = *volume;
+ changed = !pa_cvolume_equal(volume, s->volume);
+ s->volume = *volume;
+
+ if (s->set_volume && s->set_volume(s) < 0)
+ s->set_volume = NULL;
- if (v == &s->hw_volume)
- if (s->set_hw_volume(s) < 0)
- s->sw_volume = *volume;
+ if (!s->set_volume)
+ pa_asyncmsgq_post(s->asyncmsgq, pa_source_ref(s), PA_SOURCE_MESSAGE_SET_VOLUME, pa_xnewdup(struct pa_cvolume, volume, 1), pa_source_unref, pa_xfree);
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ if (changed)
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
-const pa_cvolume *pa_source_get_volume(pa_source *s, pa_mixer_t m) {
- assert(s);
- assert(s->ref >= 1);
+const pa_cvolume *pa_source_get_volume(pa_source *s) {
+ pa_source_assert_ref(s);
- if (m == PA_MIXER_HARDWARE && s->set_hw_volume) {
+ old_volume = s->volume;
+
+ if (s->get_volume && s->get_volume(s) < 0)
+ s->get_volume = NULL;
- if (s->get_hw_volume)
- s->get_hw_volume(s);
+ if (!s->get_volume && s->refresh_volume)
+ pa_asyncmsgq_send(s->asyncmsgq, s, PA_SOURCE_MESSAGE_GET_VOLUME, &s->volume);
- return &s->hw_volume;
- } else
- return &s->sw_volume;
+ if (!pa_cvolume_equal(&old_volume, &s->volume))
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+
+ return &s->volume;
}
void pa_source_set_mute(pa_source *s, pa_mixer_t m, int mute) {
- int *t;
+ int changed;
+
+ pa_source_assert_ref(s);
- assert(s);
- assert(s->ref >= 1);
+ changed = s->muted != mute;
- if (m == PA_MIXER_HARDWARE && s->set_hw_mute)
- t = &s->hw_muted;
- else
- t = &s->sw_muted;
-
- if (!!*t == !!mute)
- return;
+ if (s->set_mute && s->set_mute(s) < 0)
+ s->set_mute = NULL;
- *t = !!mute;
+ if (!s->set_mute)
+ pa_asyncmsgq_post(s->asyncmsgq, pa_source_ref(s), PA_SOURCE_MESSAGE_SET_MUTE, PA_UINT_TO_PTR(mute), pa_source_unref, NULL);
- if (t == &s->hw_muted)
- if (s->set_hw_mute(s) < 0)
- s->sw_muted = !!mute;
-
- pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ if (changed)
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
int pa_source_get_mute(pa_source *s, pa_mixer_t m) {
- assert(s);
- assert(s->ref >= 1);
+ int old_muted;
+
+ pa_source_assert_ref(s);
+
+ old_muted = s->muted;
+
+ if (s->get_mute && s->get_mute(s) < 0)
+ s->get_mute = NULL;
+
+ if (!s->get_mute && s->refresh_mute)
+ pa_asyncmsgq_send(s->asyncmsgq, s, PA_SOURCE_MESSAGE_GET_MUTE, &s->muted);
+
+ if (old_muted != s->muted)
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+
+ return s->muted;
+}
- if (m == PA_MIXER_HARDWARE && s->set_hw_mute) {
+void pa_source_set_module(pa_source *s, pa_module *m) {
+ pa_source_assert_ref(s);
- if (s->get_hw_mute)
- s->get_hw_mute(s);
+ if (m == s->module)
+ return;
- return s->hw_muted;
- } else
- return s->sw_muted;
+ s->module = m;
+
+ pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
void pa_source_set_description(pa_source *s, const char *description) {
- assert(s);
- assert(s->ref >= 1);
+ pa_source_assert_ref(s);
if (!description && !s->description)
return;
}
unsigned pa_source_used_by(pa_source *s) {
- assert(s);
- assert(s->ref >= 1);
+ pa_source_assert_ref(s);
return pa_idxset_size(s->outputs);
}
+
+int pa_source_process_msg(pa_msgobject *o, void *object, int code, pa_memchunk *chunk, void *userdata) {
+ pa_source *s = PA_SOURCE(o);
+ pa_source_assert_ref(s);
+
+ switch (code) {
+ case PA_SOURCE_MESSAGE_ADD_OUTPUT: {
+ pa_source_output *i = userdata;
+ pa_hashmap_put(s->thread_info.outputs, PA_UINT32_TO_PTR(i->index), pa_source_output_ref(i));
+ return 0;
+ }
+
+ case PA_SOURCE_MESSAGE_REMOVE_INPUT: {
+ pa_source_input *i = userdata;
+ pa_hashmap_remove(s->thread_info.outputs, PA_UINT32_TO_PTR(i->index), pa_source_output_ref(i));
+ return 0;
+ }
+
+ case PA_SOURCE_MESSAGE_SET_VOLUME:
+ s->thread_info.soft_volume = *((pa_cvolume*) userdata);
+ return 0;
+
+ case PA_SOURCE_MESSAGE_SET_MUTE:
+ s->thread_info.soft_muted = PA_PTR_TO_UINT(userdata);
+ return 0;
+
+ case PA_SOURCE_MESSAGE_GET_VOLUME:
+ *((pa_cvolume*) userdata) = s->thread_info.soft_volume;
+ return 0;
+
+ case PA_SOURCE_MESSAGE_GET_MUTE:
+ *((int*) userdata) = s->thread_info.soft_muted;
+ return 0;
+
+ default:
+ return -1;
+ }
+}