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| Rev | Author | Line No. | Line |
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| 4349 | Serge | 1 | /* |
| 2 | * gsm 06.10 decoder data |
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| 3 | * Copyright (c) 2010 Reimar Döffinger |
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| 4 | * |
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| 5 | * This file is part of FFmpeg. |
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| 6 | * |
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| 7 | * FFmpeg is free software; you can redistribute it and/or |
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| 8 | * modify it under the terms of the GNU Lesser General Public |
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| 9 | * License as published by the Free Software Foundation; either |
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| 10 | * version 2.1 of the License, or (at your option) any later version. |
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| 11 | * |
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| 12 | * FFmpeg is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | * Lesser General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU Lesser General Public |
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| 18 | * License along with FFmpeg; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 20 | */ |
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| 21 | |||
| 22 | #ifndef AVCODEC_GSMDEC_DATA_H |
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| 23 | #define AVCODEC_GSMDEC_DATA_H |
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| 24 | |||
| 25 | #include |
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| 26 | #include "avcodec.h" |
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| 27 | |||
| 28 | typedef struct GSMContext { |
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| 29 | // Contains first 120 elements from the previous frame |
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| 30 | // (used by long_term_synth according to the "lag"), |
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| 31 | // then in the following 160 elements the current |
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| 32 | // frame is constructed. |
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| 33 | int16_t ref_buf[280]; |
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| 34 | int v[9]; |
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| 35 | int lar[2][8]; |
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| 36 | int lar_idx; |
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| 37 | int msr; |
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| 38 | } GSMContext; |
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| 39 | |||
| 40 | extern const uint16_t ff_gsm_long_term_gain_tab[4]; |
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| 41 | extern const int16_t ff_gsm_dequant_tab[64][8]; |
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| 42 | |||
| 43 | #endif /* AVCODEC_GSMDEC_DATA_H */ |