g729ev_tdbwe_fir.h

来自「最新的ITU-T的宽带语音编解码标准G.729.1,是对原先的G.729的最好的」· C头文件 代码 · 共 38 行

/* ITU-T G.729EV Optimization/Characterization Candidate                         */
/* Version:       1.0.a                                                          */
/* Revision Date: June 28, 2006                                                  */

/*
   ITU-T G.729EV Optimization/Characterization Candidate    ANSI-C Source Code
   Copyright (c) 2006 
   France Telecom, Matsushita Electric, Mindspeed, Siemens AG, ETRI, VoiceAge Corp.
   All rights reserved
*/

#ifndef __G729EV_TDBWE_FIR_H__
#define __G729EV_TDBWE_FIR_H__


#include "stl.h"
#include "G729EV_MAIN_defines.h"


/* type definition TDBWE FIR filter state variable */
typedef struct
{

  Word16   *filter_coeffs;
  Word16    state[G729EV_TDBWE_FREQ_ENV_SHAPING_FILTER_LENGTH_M_1];

} G729EV_TDBWE_fir_state;


/* prototypes for exported functions */

void      G729EV_TDBWE_fir_initialize(G729EV_TDBWE_fir_state * state, Word16 * filter_coeffs);

void      G729EV_TDBWE_fir(G729EV_TDBWE_fir_state * state, Word16 * input, Word16 * output, Word16 vector_size);


#endif