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Fix problems when changing output sample rate

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This commit is contained in:
Matthias Neeracher 2018-02-17 22:56:38 +01:00
parent d4660814f0
commit a0e47688a4
1 changed files with 14 additions and 2 deletions
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16
Sources/VLSoundOut.cpp
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@ -61,6 +61,7 @@ protected:
AUGraph fGraph;
MusicPlayer fPlayer;
AudioUnit fOutputUnit;
AudioUnit fLimiterUnit;
AudioUnit fSynthUnit;
private:
MusicSequence fMusic;
@ -236,6 +237,7 @@ void VLAUSoundOut::InitSoundOutput(bool fileOutput)
AUGraphConnectNodeInput(fGraph, limiterNode, 0, outNode, 0);
R(AUGraphNodeInfo(fGraph, outNode, NULL, &fOutputUnit));
R(AUGraphNodeInfo(fGraph, limiterNode, NULL, &fLimiterUnit));
R(AUGraphNodeInfo(fGraph, synthNode, NULL, &fSynthUnit));
if (fileOutput) {
@ -250,6 +252,7 @@ void VLAUSoundOut::InitSoundOutput(bool fileOutput)
kAudioUnitScope_Global, 0,
&value, sizeof(value)));
} else {
PropagateProperty(kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global, 0);
AudioUnitAddPropertyListener(fOutputUnit,
kAudioUnitProperty_MaximumFramesPerSlice,
VLAUSoundOutPropagateProperty,
@ -280,15 +283,24 @@ void VLAUSoundOut::PropagateProperty(AudioUnitPropertyID inID,
goto reinitialize;
data.resize(sz);
if (!AudioUnitGetProperty(fOutputUnit, inID, inScope, inElement, &data[0], &sz)) {
if (OSStatus status = AudioUnitSetProperty(fSynthUnit, inID, inScope, inElement,
if (OSStatus status = AudioUnitSetProperty(fSynthUnit, inID, kAudioUnitScope_Global, inElement,
&data[0], sz)) {
if (status == kAudioUnitErr_Initialized) {
AudioUnitUninitialize(fSynthUnit);
status = AudioUnitSetProperty(fSynthUnit, inID, inScope, inElement,
status = AudioUnitSetProperty(fSynthUnit, inID, kAudioUnitScope_Global, inElement,
&data[0], sz);
AudioUnitInitialize(fSynthUnit);
}
}
if (OSStatus status = AudioUnitSetProperty(fLimiterUnit, inID, kAudioUnitScope_Global, inElement,
&data[0], sz)) {
if (status == kAudioUnitErr_Initialized) {
AudioUnitUninitialize(fLimiterUnit);
status = AudioUnitSetProperty(fLimiterUnit, inID, kAudioUnitScope_Global, inElement,
&data[0], sz);
AudioUnitInitialize(fLimiterUnit);
}
}
}
reinitialize:
if (running)