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-rw-r--r--src/pulsecore/sink.c257
1 files changed, 196 insertions, 61 deletions
diff --git a/src/pulsecore/sink.c b/src/pulsecore/sink.c
index 083dbaae..7735d3af 100644
--- a/src/pulsecore/sink.c
+++ b/src/pulsecore/sink.c
@@ -195,10 +195,10 @@ pa_sink* pa_sink_new(
s->inputs = pa_idxset_new(NULL, NULL);
s->n_corked = 0;
- s->volume = data->volume;
+ s->virtual_volume = data->volume;
+ pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
s->base_volume = PA_VOLUME_NORM;
- s->virtual_volume = s->volume;
-
+ s->n_volume_steps = PA_VOLUME_NORM+1;
s->muted = data->muted;
s->refresh_volume = s->refresh_muted = FALSE;
@@ -216,8 +216,8 @@ pa_sink* pa_sink_new(
0);
s->thread_info.inputs = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
- pa_cvolume_reset(&s->thread_info.soft_volume, s->sample_spec.channels);
- s->thread_info.soft_muted = FALSE;
+ 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;
@@ -335,10 +335,17 @@ void pa_sink_put(pa_sink* s) {
if (!(s->flags & PA_SINK_HW_VOLUME_CTRL)) {
s->flags |= PA_SINK_DECIBEL_VOLUME;
- s->thread_info.soft_volume = s->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);
@@ -911,9 +918,100 @@ pa_usec_t pa_sink_get_latency(pa_sink *s) {
}
/* Called from main thread */
-void pa_sink_set_volume(pa_sink *s, const pa_cvolume *volume) {
- pa_bool_t changed;
- pa_sink_set_volume_data data;
+void pa_sink_update_flat_volume(pa_sink *s, pa_cvolume *new_volume) {
+ pa_sink_input *i;
+ uint32_t idx;
+
+ /* 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().*/
+
+ pa_cvolume_mute(new_volume, s->channel_map.channels);
+
+ /* 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;
+
+ remapped_volume = i->virtual_volume;
+ pa_cvolume_remap(&remapped_volume, &i->channel_map, &s->channel_map);
+
+ 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*/
+ }
+}
+
+/* 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_IS_LINKED(s->state));
+ pa_assert(old_volume);
+ pa_assert(s->flags & PA_SINK_FLAT_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 */
+
+ 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;
+
+ remapped_new_volume = s->virtual_volume;
+ pa_cvolume_remap(&remapped_new_volume, &s->channel_map, &i->channel_map);
+
+ remapped_old_volume = *old_volume;
+ pa_cvolume_remap(&remapped_old_volume, &s->channel_map, &i->channel_map);
+
+ for (c = 0; c < i->sample_spec.channels; c++)
+
+ 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_IS_LINKED(s->state));
@@ -921,39 +1019,45 @@ void pa_sink_set_volume(pa_sink *s, const pa_cvolume *volume) {
pa_assert(pa_cvolume_valid(volume));
pa_assert(pa_cvolume_compatible(volume, &s->sample_spec));
- data.sink = s;
- data.virtual_volume = data.volume = *volume;
+ old_virtual_volume = s->virtual_volume;
+ s->virtual_volume = *volume;
+ virtual_volume_changed = !pa_cvolume_equal(&old_virtual_volume, &s->virtual_volume);
- changed = !pa_cvolume_equal(&data.virtual_volume, &s->virtual_volume) ||
- !pa_cvolume_equal(&data.volume, &s->volume);
+ /* 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 (changed) {
- if (pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_SET_VOLUME], &data) < 0)
- return;
+ 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 */
- changed = !pa_cvolume_equal(&data.virtual_volume, &s->virtual_volume); /* from client-side view */
- }
+ pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
+ s->set_volume(s);
- s->volume = data.volume;
- s->virtual_volume = data.virtual_volume;
+ } else
+ /* If we have no function set_volume(), then the soft volume
+ * becomes the virtual volume */
+ s->soft_volume = s->virtual_volume;
- if (s->set_volume && s->set_volume(s) < 0)
- s->set_volume = NULL;
+ /* 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 (!s->set_volume)
- pa_sink_set_soft_volume(s, &s->volume);
-
- if (changed)
+ if (virtual_volume_changed)
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
-/* Called from main thread */
+/* 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_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME, volume, 0, NULL);
+ 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;
}
@@ -961,21 +1065,22 @@ void pa_sink_set_soft_volume(pa_sink *s, const pa_cvolume *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);
- pa_assert(PA_SINK_IS_LINKED(s->state));
if (s->refresh_volume || force_refresh) {
- struct pa_cvolume old_volume = s->virtual_volume;
+ struct pa_cvolume old_virtual_volume = s->virtual_volume;
- if (s->get_volume && s->get_volume(s) < 0)
- s->get_volume = NULL;
+ if (s->get_volume)
+ s->get_volume(s);
- if (!s->get_volume) {
- pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_VOLUME, &s->volume, 0, NULL);
- s->virtual_volume = s->volume;
- }
+ 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);
- if (!pa_cvolume_equal(&old_volume, &s->virtual_volume))
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+ }
}
return &s->virtual_volume;
@@ -983,21 +1088,20 @@ const pa_cvolume *pa_sink_get_volume(pa_sink *s, pa_bool_t force_refresh) {
/* Called from main thread */
void pa_sink_set_mute(pa_sink *s, pa_bool_t mute) {
- pa_bool_t changed;
+ pa_bool_t old_muted;
pa_sink_assert_ref(s);
pa_assert(PA_SINK_IS_LINKED(s->state));
- changed = s->muted != mute;
+ old_muted = s->muted;
s->muted = mute;
- if (s->set_mute && s->set_mute(s) < 0)
- s->set_mute = NULL;
+ if (s->set_mute)
+ s->set_mute(s);
- 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);
+ pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MUTE, NULL, 0, NULL) == 0);
- if (changed)
+ if (old_muted != s->muted)
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
@@ -1005,16 +1109,14 @@ void pa_sink_set_mute(pa_sink *s, pa_bool_t mute) {
pa_bool_t pa_sink_get_mute(pa_sink *s, pa_bool_t force_refresh) {
pa_sink_assert_ref(s);
- pa_assert(PA_SINK_IS_LINKED(s->state));
if (s->refresh_muted || force_refresh) {
pa_bool_t old_muted = s->muted;
- if (s->get_mute && s->get_mute(s) < 0)
- s->get_mute = NULL;
+ if (s->get_mute)
+ s->get_mute(s);
- if (!s->get_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_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);
@@ -1138,6 +1240,22 @@ unsigned pa_sink_check_suspend(pa_sink *s) {
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);
@@ -1192,7 +1310,9 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse
* slow start, i.e. need some time to buffer client
* samples before beginning streaming. */
- 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_REMOVE_INPUT: {
@@ -1233,7 +1353,9 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse
pa_sink_invalidate_requested_latency(s);
pa_sink_request_rewind(s, (size_t) -1);
- 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_START_MOVE: {
@@ -1279,7 +1401,9 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse
pa_log_debug("Requesting rewind due to started move");
pa_sink_request_rewind(s, (size_t) -1);
- 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_FINISH_MOVE: {
@@ -1323,27 +1447,36 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse
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);
- pa_sink_request_rewind(s, (size_t) -1);
- return 0;
+ 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);
+ }
- case PA_SINK_MESSAGE_SET_MUTE:
- s->thread_info.soft_muted = PA_PTR_TO_UINT(userdata);
+ if (s->flags & PA_SINK_FLAT_VOLUME)
+ sync_input_volumes_within_thread(s);
- pa_sink_request_rewind(s, (size_t) -1);
return 0;
case PA_SINK_MESSAGE_GET_VOLUME:
- *((pa_cvolume*) userdata) = s->thread_info.soft_volume;
+ return 0;
+
+ 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_GET_MUTE:
- *((pa_bool_t*) userdata) = s->thread_info.soft_muted;
return 0;
case PA_SINK_MESSAGE_SET_STATE:
@@ -1676,6 +1809,7 @@ void pa_sink_update_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t m
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);
@@ -1688,6 +1822,7 @@ size_t pa_sink_get_max_rewind(pa_sink *s) {
return r;
}
+/* Called from main context */
size_t pa_sink_get_max_request(pa_sink *s) {
size_t r;
pa_sink_assert_ref(s);