1/*
2 * gsm 06.10 decoder data
3 * Copyright (c) 2010 Reimar D��ffinger <Reimar.Doeffinger@gmx.de>
4 *
5 * This file is part of Libav.
6 *
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#ifndef AVCODEC_GSMDEC_DATA
23#define AVCODEC_GSMDEC_DATA
24
25#include <stdint.h>
26#include "avcodec.h"
27
28typedef struct {
29    AVFrame frame;
30    // Contains first 120 elements from the previous frame
31    // (used by long_term_synth according to the "lag"),
32    // then in the following 160 elements the current
33    // frame is constructed.
34    int16_t ref_buf[280];
35    int v[9];
36    int lar[2][8];
37    int lar_idx;
38    int msr;
39} GSMContext;
40
41extern const uint16_t ff_gsm_long_term_gain_tab[4];
42extern const int16_t ff_gsm_dequant_tab[64][8];
43
44#endif /* AVCODEC_GSMDEC_DATA */
45