RTL271_1/amrnb/wamr.h

#ifndef _WAMR_CODEC_H_
#define _WAMR_CODEC_H_
#if 0
#if defined _WIN32 || defined __CYGWIN__
  #ifdef EVRC_BUILDING_DLL
    #ifdef __GNUC__
      #define DLL_PUBLIC __attribute__ ((dllexport))
    #else
      #define DLL_PUBLIC __declspec(dllexport) // Note: actually gcc seems to also supports this syntax.
    #endif
  #else
    #ifdef __GNUC__
      #define DLL_PUBLIC __attribute__ ((dllimport))
    #else
      #define DLL_PUBLIC __declspec(dllimport) // Note: actually gcc seems to also supports this syntax.
    #endif
  #endif
  #define DLL_LOCAL
#else
  #if __GNUC__ >= 4
    #define DLL_PUBLIC __attribute__ ((visibility ("default")))
    #define DLL_LOCAL  __attribute__ ((visibility ("hidden")))
  #else
    #define DLL_PUBLIC
    #define DLL_LOCAL
  #endif
#endif


#endif
#include <stddef.h>
#include "cnst.h"
#define MMS_IO

#if defined _WIN32
#include "stdint_win32.h"
#else
#include <stdint.h>
#endif

#ifdef __cplusplus
extern "C" {
#endif

/* frame size in serial bitstream file (frame type + serial stream + flags) */
#define SERIAL_FRAMESIZE (1+MAX_SERIAL_SIZE+5)
#define MAX_PACKED_SIZE (MAX_SERIAL_SIZE / 8 + 2)


#define UMR475   0
#define UMR515   1            
#define UMR59    2
#define UMR67    3
#define UMR74    4
#define UMR795   5
#define UMR102   6
#define UMR122   7         
#define UMRDTX   8
#define UN_MODES 9   /* number of (SPC) modes */

#define  AMRC_INIT_OK 0
#define  AMRC_INIT_FAILED 1

#define	AMRC_CODEC_SUCC	        0
#define	AMRC_CODEC_ERROR        -1
#define	AMRC_CODEC_BUFFER_SMALL	-2
#define	AMRC_CODEC_BUFFER_ERR	-3

#define PACKED_SIZE_ITEM 16   //packed_size的元素个数
extern const short packed_size[16];

int wamr_encoder_init();
void wamr_encoder_uninit();
int wamr_decoder_init();
void wamr_decoder_uninit();

//new_speech,input pcm speech
//speech_size, has to be 160
//outPacked, output amr packed buffer
//outPacked_size, size of outPacked, can not small than 32
//outLen, real output size number for outPacked
//mode, encode mode
//return AMRC_CODEC_SUCC for if no error
int wamr_encoder_encode_frame(short *new_speech, int speech_size, unsigned char *outPacked, int outPacked_size, unsigned short *outLen, int mode);
int wamr_decoder_decode_frame(unsigned char *inpackedBits, unsigned short inpacked_size, short *outSpeech, unsigned short out_size);
#ifdef __cplusplus
}
#endif


#endif