g723adec.h

来自「The combined demo is dedicated for S1C33」· C头文件 代码 · 共 48 行

/*
 * g723adec.h
 *  
 * Ver0.10 2001/01/11 N.Komatsu  Start
 *
 */

#ifndef G723ADEC_H
#define G723ADEC_H

/*
 *  G723.1 data format
 * 
 * <-G723A_HEADER_SIZE->
 *   +-------+-----+        +------------+
 *   |FILE_ID|size |        |G723.1  code|
 *   +-------+-----+        +------------+
 *     1byte    4   <------> 
 *
 *
 */

#define G723A_FILE_ID     (0x23)
#define G723A_HEADER_SIZE (0x5)

/* Coder rate */
enum  Crate    { Rate63, Rate53 } ;

/* Coder global constants */
#define  FRAME       240

unsigned char *g723aSpeak(char *, int);

unsigned char *pcmPlay(short *, int, int);

extern void  g723aInitDecode( char PostFilter );
extern char  g723aDecode( short *DataBuff, char *Vinp, short Crc );
extern void  g723aInitDecCng(void);

extern void g723aDecodeCopy(void);


#endif  /* G723ADEC_H */