?? dec_gain.h
字號:
/*
*===================================================================
* 3GPP AMR Wideband Floating-point Speech Codec
*===================================================================
*/
#ifndef DEC_GAIN_H
#define DEC_GAIN_H
#include "typedef.h"
void D_GAIN_init(Word16 *mem);
void D_GAIN_decode(Word16 index, Word16 nbits, Word16 code[], Word16 *gain_pit,
Word32 *gain_cod, Word16 bfi, Word16 prev_bfi,
Word16 state, Word16 unusable_frame, Word16 vad_hist,
Word16 *mem);
void D_GAIN_adaptive_control(Word16 *sig_in, Word16 *sig_out, Word16 l_trm);
void D_GAIN_lag_concealment_init(Word16 lag_hist[]);
void D_GAIN_lag_concealment(Word16 gain_hist[], Word16 lag_hist[], Word32 *T0,
Word16 *old_T0, Word16 *seed,
Word16 unusable_frame);
void D_GAIN_adaptive_codebook_excitation(Word16 exc[], Word32 T0, Word32 frac);
void D_GAIN_pitch_sharpening(Word16 *x, Word32 pit_lag, Word16 sharp);
Word16 D_GAIN_find_voice_factor(Word16 exc[], Word16 Q_exc, Word16 gain_pit,
Word16 code[], Word16 gain_code,
Word16 L_subfr);
#endif
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