wave.h

语音与识别技术包含很多C语言处理模块系统

#ifndef	_WAVE_H_
#define _WAVE_H_
//
//默认定义
//
#define	WAVE_NSAMPLESPERSEC	11025			//每秒钟产生的数据量
#define	WAVE_DATASIZE		WAVE_NSAMPLESPERSEC		//缓冲区大小
//
//函数返回错误值列表
//
#define	WAVE_ERROR_SUCESS		0	//成功
#define WAVE_ERROR_NO_DEVICE	-1	//找不到音频设备
#define	WAVE_ERROR_WAVEINOPEM	-2	//waveInOpen返回错误
#define	WAVE_ERROR_WAVEINSTART		-3	//成功
#define WAVE_ERROR_BAD_HANDLE		-4
#define	WAVE_ERROR_WAVEOUTOPEM		-5;
#define WAVE_ERROR_BUFFER_SHORT -5
//
//xxGetWaveDeviceListEx函数的bDeviceType值
//
#define DEVICETYPEIN 1
#define DEVICETYPEOUT 0

int xxGetWaveDeviceListEx(int bDeviceType,LPSTR	pDeviceList,DWORD *dwListLen);

typedef	(CALLBACK  void *LPRECORDERCALLBACK)(HWAVEIN hWaveIn,LPSTR pBuf,DWORD dwLen);
HWAVEIN xxRecorderOpen(UINT uDeviceWaveInID,WAVEFORMATEX *pWaveFormatex,LPRECORDERCALLBACK cf);
long xxRecorderStart(HWAVEIN hWaveIn,DWORD	dwDataSize);
int xxRecorderClose(HWAVEIN hWaveIn); 

HWAVEOUT xxWaveOutOpen(UINT uDeviceOutID,WAVEFORMATEX	*pWaveFormatex);
long xxWaveOutPlay(HWAVEOUT	hWaveOut,PVOID	data,DWORD	dwDataSize);
int xxWaveOutClose(HWAVEOUT hWaveOut);

WAVEFORMATEX * xxGetDefaultWaveFormat();
WAVEFORMATEX * xxGetWaveFormat(HWAVEIN hWaveIn);
void xxFreeDefaultWaveFormat(WAVEFORMATEX	*pWaveFormatex);

#endif	//_WAVE_H_