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ao_coreaudio: fix partial volume control 

If digital pass-through is used, this supported setting the volume
(just mute, actually), but not getting the volume. This will probably
lead to a stuck mute state in the mplayer frontend. Make the code
respond to volume queries even if digital pass-through is used.
This commit is contained in:
wm4 2012-01-17 07:58:57 +01:00 committed by Uoti Urpala
parent fc8db0ca88
commit 086d0381f0
1 changed files with 5 additions and 1 deletions
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6
libao2/ao_coreaudio.c
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@ -169,7 +169,11 @@ Float32 vol;
control_vol = (ao_control_vol_t*)arg;
if (ao->b_digital) {
// Digital output has no volume adjust.
return CONTROL_FALSE;
int vol = ao->b_muted ? 0 : 100;
*control_vol = (ao_control_vol_t) {
.left = vol, .right = vol,
};
return CONTROL_TRUE;
}
err = AudioUnitGetParameter(ao->theOutputUnit, kHALOutputParam_Volume, kAudioUnitScope_Global, 0, &vol);