Rendering callback using more general code.

gistfile1.c

OSStatus RenderToneWithState
(
	 void                       *inRefCon,
	 AudioUnitRenderActionFlags *ioActionFlags,
	 const AudioTimeStamp       *inTimeStamp,
	 UInt32                      inBusNumber,
	 UInt32                      inNumberFrames,
	 AudioBufferList             *ioData
)
{
	
	fillWaveSamples( (WaveState*)inRefCon,
			 inNumberFrames,
			 (Float32  *)ioData->mBuffers[ 0 ].mData );
	
	return noErr;
}