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sink-input, source-output: Assign to volume from only one place

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Forcing all volume changes to go through set_volume_direct() makes
it easier to check where the stream volume is changed, and it also
allows us to have only one place where notifications for changed
volume are sent.
This commit is contained in:
Tanu Kaskinen 2014-04-15 13:56:04 +03:00
parent fb70fa22c3
commit 7ac850d3b7
6 changed files with 108 additions and 144 deletions
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54
src/pulsecore/source.c
View file

@ -1429,20 +1429,13 @@ static void update_real_volume(pa_source *s, const pa_cvolume *new_volume, pa_ch
PA_IDXSET_FOREACH(o, s->outputs, idx) {
if (o->destination_source && (o->destination_source->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER)) {
if (pa_source_flat_volume_enabled(s)) {
pa_cvolume old_volume = o->volume;
pa_cvolume new_output_volume;
/* Follow the root source's real volume. */
o->volume = *new_volume;
pa_cvolume_remap(&o->volume, channel_map, &o->channel_map);
new_output_volume = *new_volume;
pa_cvolume_remap(&new_output_volume, channel_map, &o->channel_map);
pa_source_output_set_volume_direct(o, &new_output_volume);
compute_reference_ratio(o);
/* The volume changed, let's tell people so */
if (!pa_cvolume_equal(&old_volume, &o->volume)) {
if (o->volume_changed)
o->volume_changed(o);
pa_subscription_post(o->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index);
}
}
update_real_volume(o->destination_source, new_volume, channel_map);
@ -1497,7 +1490,7 @@ static void propagate_reference_volume(pa_source *s) {
* source output volumes accordingly */
PA_IDXSET_FOREACH(o, s->outputs, idx) {
pa_cvolume old_volume;
pa_cvolume new_volume;
if (o->destination_source && (o->destination_source->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER)) {
propagate_reference_volume(o->destination_source);
@ -1508,24 +1501,14 @@ static void propagate_reference_volume(pa_source *s) {
continue;
}
old_volume = o->volume;
/* This basically calculates:
*
* o->volume := o->reference_volume * o->reference_ratio */
o->volume = s->reference_volume;
pa_cvolume_remap(&o->volume, &s->channel_map, &o->channel_map);
pa_sw_cvolume_multiply(&o->volume, &o->volume, &o->reference_ratio);
/* The volume changed, let's tell people so */
if (!pa_cvolume_equal(&old_volume, &o->volume)) {
if (o->volume_changed)
o->volume_changed(o);
pa_subscription_post(o->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index);
}
new_volume = s->reference_volume;
pa_cvolume_remap(&new_volume, &s->channel_map, &o->channel_map);
pa_sw_cvolume_multiply(&new_volume, &new_volume, &o->reference_ratio);
pa_source_output_set_volume_direct(o, &new_volume);
}
}
@ -1718,9 +1701,8 @@ static void propagate_real_volume(pa_source *s, const pa_cvolume *old_real_volum
}
if (pa_source_flat_volume_enabled(s)) {
PA_IDXSET_FOREACH(o, s->outputs, idx) {
pa_cvolume old_volume = o->volume;
pa_cvolume new_volume;
/* 2. Since the source's reference and real volumes are equal
* now our ratios should be too. */
@ -1734,18 +1716,10 @@ static void propagate_real_volume(pa_source *s, const pa_cvolume *old_real_volum
* o->volume = s->reference_volume * o->reference_ratio
*
* This is identical to propagate_reference_volume() */
o->volume = s->reference_volume;
pa_cvolume_remap(&o->volume, &s->channel_map, &o->channel_map);
pa_sw_cvolume_multiply(&o->volume, &o->volume, &o->reference_ratio);
/* Notify if something changed */
if (!pa_cvolume_equal(&old_volume, &o->volume)) {
if (o->volume_changed)
o->volume_changed(o);
pa_subscription_post(o->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index);
}
new_volume = s->reference_volume;
pa_cvolume_remap(&new_volume, &s->channel_map, &o->channel_map);
pa_sw_cvolume_multiply(&new_volume, &new_volume, &o->reference_ratio);
pa_source_output_set_volume_direct(o, &new_volume);
if (o->destination_source && (o->destination_source->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER))
propagate_real_volume(o->destination_source, old_real_volume);