System/Library/Frameworks/AVFAudio.framework
AVAudioOutputNode.h
@interface AVAudioOutputNode : AVAudioIONode
- (BOOL)setManualRenderingPCMFormat:(id)a0 maximumFrameCount:(unsigned int)a1;
- (id)manualRenderingFormat;
- (unsigned int)manualRenderingMaximumFrameCount;
@end