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before applying balance/fade check it actually makes sense

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This commit is contained in:
Lennart Poettering 2009-02-03 04:05:41 +01:00
parent f9696c0e7f
commit 554c818d21
2 changed files with 26 additions and 7 deletions
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12
src/pulse/volume.c
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@ -467,6 +467,9 @@ float pa_cvolume_get_balance(const pa_cvolume *v, const pa_channel_map *map) {
pa_assert(map);
pa_assert(map->channels == v->channels);
if (!pa_channel_map_can_balance(map))
return 0.0f;
get_avg_lr(map, v, &left, &right);
if (left == right)
@ -497,6 +500,9 @@ pa_cvolume* pa_cvolume_set_balance(pa_cvolume *v, const pa_channel_map *map, flo
pa_assert(new_balance >= -1.0f);
pa_assert(new_balance <= 1.0f);
if (!pa_channel_map_can_balance(map))
return v;
get_avg_lr(map, v, &left, &right);
m = PA_MAX(left, right);
@ -584,6 +590,9 @@ float pa_cvolume_get_fade(const pa_cvolume *v, const pa_channel_map *map) {
pa_assert(map);
pa_assert(map->channels == v->channels);
if (!pa_channel_map_can_fade(map))
return 0.0f;
get_avg_fr(map, v, &front, &rear);
if (front == rear)
@ -605,6 +614,9 @@ pa_cvolume* pa_cvolume_set_fade(pa_cvolume *v, const pa_channel_map *map, float
pa_assert(new_fade >= -1.0f);
pa_assert(new_fade <= 1.0f);
if (!pa_channel_map_can_fade(map))
return v;
get_avg_fr(map, v, &front, &rear);
m = PA_MAX(front, rear);