g711.h

音频压缩解压缩软件

#ifndef _G711_H_
#define _G711_H_

//其中一种实现
unsigned char ALawEncode(int pcm16);
int ALawDecode(unsigned char alaw);

//另一种实现
unsigned char	linear2alaw	( int pcm_val);
int				alaw2linear	( unsigned char a_val);
unsigned char	linear2ulaw	( int pcm_val);
int				ulaw2linear	( unsigned char u_val);
unsigned char	alaw2ulaw	( unsigned char aval);
unsigned char	ulaw2alaw	( unsigned char uval);

#endif