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

/*
* interf_enc.h
*
*
* Project:
*    AMR Floating-Point Codec
*
* Contains:
*    Defines interface to AMR encoder
*
*/

#ifndef _interf_enc_h_
#define _interf_enc_h_

/*
* include files
*/
#include <windows.h>

#define AMR_MAGIC_NUMBER "#!AMR\n"

/*
* Declare structure types
*/
/* Declaration transmitted frame types */
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 */
};

/* Declaration of interface structure */
typedef struct
{
	INT16 sid_update_counter;   /* Number of frames since last SID */
	INT16 sid_handover_debt;   /* Number of extra SID_UPD frames to schedule */
	INT16 dtx;
	enum TXFrameType prev_ft;   /* Type of the previous frame */
	void *encoderState;   /* Points encoder state structure */
} AMR_Encode_State;

/*
* Function prototypes
*/
/*
* Encodes one frame of speech
* Returns packed octets
*/
INT32 Encoder_Interface_Encode( void *st, enum Mode mode, INT16 *speech,UINT8 *serial, INT32 forceSpeech );

/*

  #ifndef ETSI
  UINT8 *serial,  / * max size 31 bytes * /
  
	#else
	INT16 *serial, / * size 500 bytes * /
	#endif
	
      INT16 forceSpeech );   / * use speech mode * /
*/

/*
* Reserve and init. memory
*/
void *Encoder_Interface_init( INT32 dtx );

/*
* Exit and mcFree memory
*/
void Encoder_Interface_exit( void *state );
#endif