yading@10: /*
yading@10:  * gsm 06.10 decoder data
yading@10:  * Copyright (c) 2010 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
yading@10:  *
yading@10:  * This file is part of FFmpeg.
yading@10:  *
yading@10:  * FFmpeg is free software; you can redistribute it and/or
yading@10:  * modify it under the terms of the GNU Lesser General Public
yading@10:  * License as published by the Free Software Foundation; either
yading@10:  * version 2.1 of the License, or (at your option) any later version.
yading@10:  *
yading@10:  * FFmpeg is distributed in the hope that it will be useful,
yading@10:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@10:  * Lesser General Public License for more details.
yading@10:  *
yading@10:  * You should have received a copy of the GNU Lesser General Public
yading@10:  * License along with FFmpeg; if not, write to the Free Software
yading@10:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10:  */
yading@10: 
yading@10: #ifndef AVCODEC_GSMDEC_DATA_H
yading@10: #define AVCODEC_GSMDEC_DATA_H
yading@10: 
yading@10: #include <stdint.h>
yading@10: #include "avcodec.h"
yading@10: 
yading@10: typedef struct GSMContext {
yading@10:     // Contains first 120 elements from the previous frame
yading@10:     // (used by long_term_synth according to the "lag"),
yading@10:     // then in the following 160 elements the current
yading@10:     // frame is constructed.
yading@10:     int16_t ref_buf[280];
yading@10:     int v[9];
yading@10:     int lar[2][8];
yading@10:     int lar_idx;
yading@10:     int msr;
yading@10: } GSMContext;
yading@10: 
yading@10: extern const uint16_t ff_gsm_long_term_gain_tab[4];
yading@10: extern const int16_t ff_gsm_dequant_tab[64][8];
yading@10: 
yading@10: #endif /* AVCODEC_GSMDEC_DATA_H */