qgain795.h

AMR-NB 的编码实现,纯C, VC下建立工程即可用.

 
#ifndef QGAIN795_H
#define QGAIN795_H
 
 
#include "AmrCode_Comm.h"


void gain_adapt(GainAdaptState *st, Word16 ltpg, Word16 gain_cod,    Word16 *alpha  );
void MR795_gain_quant(GainAdaptState *adapt_st,Word16 res[], Word16 exc[], Word16 code[],
    Word16 frac_coeff[],Word16 exp_coeff[],Word16 exp_code_en,   Word16 frac_code_en,Word16 exp_gcode0, 
    Word16 frac_gcode0, Word16 L_subfr, Word16 cod_gain_frac,  Word16 cod_gain_exp, Word16 gp_limit, 
    Word16 *gain_pit,   Word16 *gain_cod,  Word16 *qua_ener_MR122, Word16 *qua_ener,  Word16 **anap    );
Word16 q_gain_pitch (  Mode mode,    Word16 gp_limit,   Word16 *gain,   Word16 gain_cand[],  Word16 gain_cind[] );
void calc_unfilt_energies( Word16 res[], Word16 exc[],  Word16 code[],   Word16 gain_pit, 
    Word16 L_subfr,   Word16 frac_en[],Word16 exp_en[],Word16 *ltpg );


#endif