soundbase.h

一个在PXA-270下的WinCE录音程序

// SoundBase.h: interface for the CSoundBase class.
//
//////////////////////////////////////////////////////////////////////
#ifndef SOUNDBASE_H
#define SOUNDBASE_H

#include "mmsystem.h"
//------------------------------------------------------------------------------
//Macro define
#define MAX_SAVEPATH_LENGTH			500	//The length of saved path

//------------------------------------------------------------------------------
//Value type

enum ChannelType
{
	CHANNEL_SINGLE,
	CHANNEL_DOUBLE
};

enum SamplesPerSecType
{
	SAMPLES_11025,
	SAMPLES_22050,
	SAMPLES_44100
};

enum BitsPerSampleType
{
	BITS_8,
	BITS_16
};
//---------------------------------------------------------------------------
//Struct

//Wave format data
typedef struct
{
	ChannelType channel;
	SamplesPerSecType samples;
	BitsPerSampleType bits;
}WAVEFORMAT_SETTING,*PWAVEFORMAT_SETTING;
//------------------------------------------------------------------------------
class CSoundBase  
{
public:
	void StopPlaying();
	void StopRecording();
	void StopAll();
	static CSoundBase* GetInstance();
	BOOL Play(const TCHAR *pszPath = NULL);
	BOOL Record(TCHAR *pszPath,const PWAVEFORMAT_SETTING pWaveFormat = NULL);

	virtual ~CSoundBase();
protected:
	void OnWIM_OPEN(WPARAM wParam, LPARAM lParam);
	void OnWIM_DATA(WPARAM wParam, LPARAM lParam);
	void OnWIM_CLOSE(WPARAM wParam, LPARAM lParam);
	BOOL WriteWaveFileHeader(TCHAR *pszFilename, const PWAVEFORMATEX pWFX, DWORD dwBufferSize,BOOL bCover);
	static void CALLBACK WaveInProc(HWAVEIN hWi,UINT uMsg, DWORD dwInstance,  DWORD dwParam1, DWORD dwParam2);
	CSoundBase();
	void SetRecordWaveFormat(const PWAVEFORMAT_SETTING pWaveFormat);
	
	static CSoundBase *m_pInstance;
	WAVEFORMATEX m_WaveFormatEx;
	BOOL m_bRecording;
	HANDLE m_hSaveFile;
	HWAVEIN m_hWaveIn;
	PBYTE m_pBuffer1;
	PBYTE m_pBuffer2;
	PWAVEHDR m_pWaveHdr1;
	PWAVEHDR m_pWaveHdr2;
	DWORD m_dwDataLength; //The length of the data
	TCHAR m_szSavePath[MAX_SAVEPATH_LENGTH]; //The path to save


};

#endif // SOUNDBASE_H