AVFAudio macOS 11.3 to 12.0 API Differences

AVAudioBuffer.h

Added -[AVAudioPCMBuffer initWithPCMFormat:bufferListNoCopy:deallocator:]

AVAudioUnitSampler.h

Added AVAudioUnitSampler.overallGain

Modified AVAudioUnitSampler.masterGain

	Availability	Replacement
From	Available	none
To	Deprecated	overallGain