diff options
Diffstat (limited to 'libao2')
| -rw-r--r-- | libao2/ao_macosx.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/libao2/ao_macosx.c b/libao2/ao_macosx.c index 60244ecbf7..626bb16e91 100644 --- a/libao2/ao_macosx.c +++ b/libao2/ao_macosx.c @@ -171,13 +171,36 @@ int req=(inNumFrames)*ao->packetSize; } static int control(int cmd,void *arg){ +ao_control_vol_t *control_vol; +OSStatus err; +Float32 pan, vol; switch (cmd) { - case AOCONTROL_SET_DEVICE: - case AOCONTROL_GET_DEVICE: case AOCONTROL_GET_VOLUME: + control_vol = (ao_control_vol_t*)arg; + err = AudioUnitGetParameter(ao->theOutputUnit, kHALOutputParam_Volume, kAudioUnitScope_Global, 0, &vol); + + if(err==0) { + // printf("GET VOL=%f\n", vol); + control_vol->left=control_vol->right=vol*100.0/4.0; + return CONTROL_TRUE; + } + else { + return CONTROL_FALSE; + } + case AOCONTROL_SET_VOLUME: + control_vol = (ao_control_vol_t*)arg; + + vol=(control_vol->left+control_vol->right)*4.0/200.0; + err = AudioUnitSetParameter(ao->theOutputUnit, kHALOutputParam_Volume, kAudioUnitScope_Global, 0, vol, 0); + if(err==0) { + // printf("SET VOL=%f\n", vol); + return CONTROL_TRUE; + } + else { + return CONTROL_FALSE; + } /* Everything is currently unimplemented */ - return CONTROL_FALSE; default: return CONTROL_FALSE; } |