celp.h

来自「g729 coding ipaddressing」· C头文件 代码 · 共 36 行

/*

	Definitions for callers of the CELP Codec
	
*/

#define CELP_OK 0			/* Decode OK */
#define CELP_TWOERR 1		/* Uncorrectable error in stream bits */
#define CELP_LSPERR 2		/* Error encoding LSPs */
#define CELP_ERR_DCODCBG 3	/* Error decoding cbgain */
#define CELP_ERR_DCODCBI 4	/* Error decoding code book index */
#define CELP_ERR_DELAY	 5	/* Invalid pitch delay */
#define CELP_ERR_GAINDECODE 6	/* Unquantised cbgain in gaincode.c */
#define CELP_ERR_POLEFILT 7 /* Bad coefficients in polefilt.c */
#define CELP_ERR_IMPULSE_LENGTH 8	/* Impulse response too long in psearch.c */
#define CELP_ERR_MAXLP 9	/* MAXLP < MAXL in psearch.c */
#define CELP_ERR_PITCH_TYPE 10	/* Bad pitch search type in psearch.c */
#define CELP_ERR_DCODPG 11	/* Error decoding pitch gain in dcodpg.c */

// #define CELP_PROTECT
#define CELP_USE_CONTEXT

#ifdef CELP_USE_CONTEXT

#include "context.h"

extern void celp_context_init(struct celp_context *c);
extern void celp_init(struct celp_context *c, int prot);
extern int celp_encode(struct celp_context *c, short iarf[240], char packedbits[144 / 8]);
extern int celp_decode(struct celp_context *c, char packedbits[144 / 8], short pf[240]);
#else
extern void celp_init(int prot);
extern int celp_encode(short iarf[240], char packedbits[144 / 8]);
extern int celp_decode(char packedbits[144 / 8], short pf[240]);
#endif