sp_dec.h

/*
 * ===================================================================
 *  TS 26.104
 *  REL-5 V5.4.0 2004-03
 *  REL-6 V6.1.0 2004-03
 *  REL-15 V15.1.0 2018-07
 *  3GPP AMR Floating-point Speech Codec
 * ===================================================================
 *
 */

/*
 * sp_enc.h
 *
 *
 * Project:
 *    AMR Floating-Point Codec
 *
 * Contains:
 *    Defines interface to AMR encoder
 *
 */
#ifndef _SP_DEC_H_
#define _SP_DEC_H_

#include "sp_enc.h"
/*
 * definition of enumerated types
 */

/*
 * definition of modes for decoder
 */
// enum Mode { MR475 = 0,
//             MR515,
//             MR59,
//             MR67,
//             MR74,
//             MR795,
//             MR102,
//             MR122,
//             MRDTX,
//             N_MODES     /* number of (SPC) modes */
// };

/* Declaration recieved frame types */
enum RXFrameType
{
    RX_SPEECH_GOOD = 0,
    RX_SPEECH_DEGRADED,
    RX_ONSET,
    RX_SPEECH_BAD,
    RX_SID_FIRST,
    RX_SID_UPDATE,
    RX_SID_BAD,
    RX_NO_DATA,
    RX_N_FRAMETYPES /* number of frame types */
};

/*
 * Function prototypes
 */

/*
 * initialize one instance of the speech decoder
 */
void *Speech_Decode_Frame_init(void);

/*
 * free status struct
 */
void Speech_Decode_Frame_exit(void **st);

/*
 * Decodes one frame from encoded parameters
 */
void Speech_Decode_Frame(void *st, enum Mode mode, short *serial,
                         enum RXFrameType frame_type, short *synth);

/*
 * reset speech decoder
 */
int Speech_Decode_Frame_reset(void **st);

#endif