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mixer: fix volume initialization with --af=volume

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A manually added af_volume could lead to muted audio when switching to a
new file. af_volume keeps the last volume set by AF_CONTROL_SET_VOLUME
to return it with AF_CONTROL_GET_VOLUME, but the initial value is 0. So
the mixer volume was forced to 0 when unintializing the filter chain and
reading back the previously set volume.
This commit is contained in:
wm4
2015-12-11 20:51:32 +01:00
parent 67a4892ee3
commit 000285ee8e
1 changed files with 2 additions and 0 deletions
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2
audio/mixer.c
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@@ -296,6 +296,8 @@ static void restore_volume(struct mixer *mixer)
const char *prev_driver = mixer->driver;
mixer->driver = mixer->softvol ? "softvol" : ao_get_name(ao);
if (!prev_driver[0])
prev_driver = mixer->driver;
// Restore old parameters if volume won't survive reinitialization.
// But not if volume scale is possibly different.