dspfile.h

音频压缩解压缩软件

#ifndef _DSPfile_h_
#define _DSPfile_h_

#include <stdarg.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "WAVfile.h"
#include "def.h"


/*
 * This structure manages an opened DSP device.
 */
typedef struct {
	int	fd;				/* Open fd of /dev/dsp */
	int	dspblksiz;			/* Size of the DSP buffer */
	char	*dspbuf;			/* The buffer */
} DSPFILE;


extern DSPFILE *OpenDSP(WAVFILE *wfile,int omode);
extern int PlayDSP(DSPFILE *dfile,WAVFILE *wfile);
extern int RecordDSP(DSPFILE *dfile,WAVFILE *wfile,UInt32 samples);
extern int CloseDSP(DSPFILE *dfile);

#endif