// AudioTransformer.h: interface for the AudioTransformer class.
//
//////////////////////////////////////////////////////////////////////

#ifndef AFX_AUDIOTRANSFORMER_H__D4076AFA_C2F2_4BE0_85EA_DEC350129E87__INCLUDED_
#define AFX_AUDIOTRANSFORMER_H__D4076AFA_C2F2_4BE0_85EA_DEC350129E87__INCLUDED_

#include <vector>
#include <utility>

#include "AudioSource.h"
#include "AudioSink.h"

class AudioSample;

class AudioTransformer : 
	public AudioSource, 
	public AudioSink  
{
public:
	AudioTransformer();
	virtual ~AudioTransformer();
	int StartTransform();
	int StopTransform();
	virtual int TransformStarted();
	virtual int TransformStopped();
protected:
	virtual int RenderAudioSamples(std::vector<std::pair<AudioSample *, AudioSource *> > &data);	// from AudioSink
	virtual int GenerateData(AudioSample **ppAudioSample);	// from AudioSource
	virtual int TransformAudioSamples(std::vector<std::pair<AudioSample *, AudioSource *> > &data, AudioSample **ppAudioSample);
};

#endif // !defined(AFX_AUDIOTRANSFORMER_H__D4076AFA_C2F2_4BE0_85EA_DEC350129E87__INCLUDED_)