0,0 → 1,43 |
/* |
* gsm 06.10 decoder data |
* Copyright (c) 2010 Reimar Döffinger <Reimar.Doeffinger@gmx.de> |
* |
* This file is part of FFmpeg. |
* |
* FFmpeg is free software; you can redistribute it and/or |
* modify it under the terms of the GNU Lesser General Public |
* License as published by the Free Software Foundation; either |
* version 2.1 of the License, or (at your option) any later version. |
* |
* FFmpeg is distributed in the hope that it will be useful, |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
* Lesser General Public License for more details. |
* |
* You should have received a copy of the GNU Lesser General Public |
* License along with FFmpeg; if not, write to the Free Software |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
*/ |
|
#ifndef AVCODEC_GSMDEC_DATA_H |
#define AVCODEC_GSMDEC_DATA_H |
|
#include <stdint.h> |
#include "avcodec.h" |
|
typedef struct GSMContext { |
// Contains first 120 elements from the previous frame |
// (used by long_term_synth according to the "lag"), |
// then in the following 160 elements the current |
// frame is constructed. |
int16_t ref_buf[280]; |
int v[9]; |
int lar[2][8]; |
int lar_idx; |
int msr; |
} GSMContext; |
|
extern const uint16_t ff_gsm_long_term_gain_tab[4]; |
extern const int16_t ff_gsm_dequant_tab[64][8]; |
|
#endif /* AVCODEC_GSMDEC_DATA_H */ |