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6148 | serge | 1 | /* |
2 | * gsm 06.10 decoder, Microsoft variant |
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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 | #define BITSTREAM_READER_LE |
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23 | #include "avcodec.h" |
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24 | #include "msgsmdec.h" |
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25 | #include "gsm.h" |
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26 | #include "gsmdec_template.c" |
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27 | |||
28 | int ff_msgsm_decode_block(AVCodecContext *avctx, int16_t *samples, |
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29 | const uint8_t *buf) |
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30 | { |
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31 | int res; |
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32 | GetBitContext gb; |
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33 | init_get_bits(&gb, buf, GSM_MS_BLOCK_SIZE * 8); |
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34 | res = gsm_decode_block(avctx, samples, &gb); |
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35 | if (res < 0) |
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36 | return res; |
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37 | return gsm_decode_block(avctx, samples + GSM_FRAME_SIZE, &gb); |
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38 | }> |