codec.h

linux下的sip voip程序

#ifndef _CODEC_H_
#define _CODEC_H_

#define BIAS 132
#define CLIP 32635

short g711decode(unsigned char ulaw_sample);
unsigned char g711encode(short audio_sample);

unsigned char g711encode2(short audio_sample);
short g711decode2(unsigned char ulaw_sample);

#endif