audioplay.h

一个VC实现的,用G.729a实现的语言对讲的例子

// AudioPlay.h: interface for the CAudioPlay class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_AUDIOPLAY_H__ADEC71BD_1B67_45A2_9C24_5F56D035A5CC__INCLUDED_)
#define AFX_AUDIOPLAY_H__ADEC71BD_1B67_45A2_9C24_5F56D035A5CC__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

void waveOutErrorMsg(MMRESULT mmr,char* szTitle);

class CAudioPlay  
{
public:
	BOOL Destroy();
	virtual  ~CAudioPlay();
	BOOL Create(WAVEFORMATEX *pwf,DWORD dwCallBack,DWORD dwInst,DWORD fdwOpen );
	BOOL Play(char* buf,UINT uSize);
	CAudioPlay();
	friend void CALLBACK waveOutProc(HWAVEOUT hwo,UINT uMsg,DWORD dwInstance,DWORD dwParam1,DWORD dwParam2);

	BOOL CloseDev();
	void SetLastMMError(MMRESULT mmr);
	MMRESULT GetLastMMError();

	BOOL OpenDev(WAVEFORMATEX* pfmt,DWORD dwCallback,DWORD dwCallbackInstance,DWORD fdwOpen);
	operator HWAVEOUT() const;
protected:
	
	MMRESULT m_mmr;
	HWAVEOUT m_hOut;
};

#endif // !defined(AFX_AUDIOPLAY_H__ADEC71BD_1B67_45A2_9C24_5F56D035A5CC__INCLUDED_)