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44 lines
1.4 KiB
44 lines
1.4 KiB
/* |
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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 Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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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#include "avcodec.h" |
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typedef struct GSMContext { |
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AVFrame frame; |
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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 int16_t ff_gsm_dequant_tab[64][8]; |
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#endif /* AVCODEC_GSMDEC_DATA_H */
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