// Replace GaudioAudioProcessor from Android Exoplayer
private GaudioAudioProcessor mGaudioAudioProcessor;
...
mGaudioAudioProcessor = ExoPlayerFactory.newSimpleInstance(
new ProcessorFactory(this, mGaudioAudioProcessor),
trackSelector
);
```
// Register Post-processing callback from iOS AVPlayer
MTAudioProcessingTapCallbacks callbacks;
MTAudioProcessingTapCreate(kCFAllocatorDefault,
&callbacks,
kMTAudioProcessingTapCreationFlag_PreEffects,
&audioProcessingTapRef_
);
AVMutableAudioMix *audioMix = [AVMutableAudioMix audioMix];
audioMix.inputParameters = @[inputParams];
playerItem.audioMix = audioMix;
