FFmpeg
libavcodec
gsmdec_data.h
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/*
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* gsm 06.10 decoder data
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* Copyright (c) 2010 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_GSMDEC_DATA_H
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#define AVCODEC_GSMDEC_DATA_H
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#include <stdint.h>
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typedef
struct
GSMContext
{
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// Contains first 120 elements from the previous frame
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// (used by long_term_synth according to the "lag"),
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// then in the following 160 elements the current
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// frame is constructed.
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int16_t
ref_buf
[280];
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int
v
[9];
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int
lar
[2][8];
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int
lar_idx
;
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int
msr
;
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}
GSMContext
;
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extern
const
uint16_t
ff_gsm_long_term_gain_tab
[4];
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extern
const
uint8_t
ff_gsm_requant_tab
[4][8];
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extern
const
int16_t
ff_gsm_dequant_tab
[64][8];
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extern
const
int
*
const
ff_gsm_apcm_bits
[][4];
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#endif
/* AVCODEC_GSMDEC_DATA_H */
GSMContext::v
int v[9]
Definition:
gsmdec_data.h:33
ff_gsm_requant_tab
const uint8_t ff_gsm_requant_tab[4][8]
Definition:
gsmdec_data.c:29
GSMContext::msr
int msr
Definition:
gsmdec_data.h:36
GSMContext::lar
int lar[2][8]
Definition:
gsmdec_data.h:34
ff_gsm_dequant_tab
const int16_t ff_gsm_dequant_tab[64][8]
Definition:
gsmdec_data.c:36
GSMContext::ref_buf
int16_t ref_buf[280]
Definition:
gsmdec_data.h:32
ff_gsm_apcm_bits
const int *const ff_gsm_apcm_bits[][4]
Definition:
gsmdec_data.c:117
ff_gsm_long_term_gain_tab
const uint16_t ff_gsm_long_term_gain_tab[4]
Definition:
gsmdec_data.c:25
GSMContext::lar_idx
int lar_idx
Definition:
gsmdec_data.h:35
GSMContext
Definition:
gsmdec_data.h:27
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