view amrconv/amr_defs.h @ 426:7bef001cd8b8

libtwamr: integrate dec_amr.c
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 07 May 2024 20:33:01 +0000
parents 934cf92a1c45
children
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/*
 * This header file holds some miscellaneous definitions for AMR,
 * to be used by parsing and conversion debug utilities.
 */

#define	MAX_PRM_SIZE		57	/* max. num. of params      */
#define	MAX_SERIAL_SIZE		244	/* max. num. of serial bits */
#define	MAX_IF1_BYTES		31	/* max bytes in AMR IF1 packing */
#define	IETF_HDR_LEN		6	/* .amr file header bytes */

enum TXFrameType {
	TX_SPEECH_GOOD = 0,
	TX_SID_FIRST,
	TX_SID_UPDATE,
	TX_NO_DATA,
	TX_SPEECH_DEGRADED,
	TX_SPEECH_BAD,
	TX_SID_BAD,
	TX_ONSET,
	TX_N_FRAMETYPES		/* number of frame types */
};

enum Mode {
	MR475 = 0,
	MR515,            
	MR59,
	MR67,
	MR74,
	MR795,
	MR102,
	MR122,            
	MRDTX
};

#define	MODE_NO_DATA		15

/* number of speech bits for all modes */
#define	AMR_NBITS_475		95
#define	AMR_NBITS_515		103
#define	AMR_NBITS_59		118
#define	AMR_NBITS_67		134
#define	AMR_NBITS_74		148
#define	AMR_NBITS_795		159
#define	AMR_NBITS_102		204
#define	AMR_NBITS_122		244
#define	AMR_NBITS_SID		35

/* number of distinct parameters for all modes */
#define	PRMNO_MR475		17
#define	PRMNO_MR515		19
#define	PRMNO_MR59		19
#define	PRMNO_MR67		19
#define	PRMNO_MR74		19
#define	PRMNO_MR795		23
#define	PRMNO_MR102		39
#define	PRMNO_MR122		57
#define	PRMNO_MRDTX		5

/* ETSI/3GPP test sequence file format */
#define	COD_FORMAT_NWORDS	250