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| Rev | Author | Line No. | Line |
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| 4349 | Serge | 1 | /* |
| 2 | * Copyright (C) 2007 FFmpeg Project |
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| 3 | * |
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| 4 | * This file is part of FFmpeg. |
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| 5 | * |
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| 6 | * FFmpeg is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU Lesser General Public |
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| 8 | * License as published by the Free Software Foundation; either |
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| 9 | * version 2.1 of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * FFmpeg is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * Lesser General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU Lesser General Public |
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| 17 | * License along with FFmpeg; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 19 | */ |
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| 20 | |||
| 21 | #ifndef AVCODEC_XIPH_H |
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| 22 | #define AVCODEC_XIPH_H |
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| 23 | |||
| 24 | #include "libavutil/common.h" |
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| 25 | |||
| 26 | /** |
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| 27 | * Split a single extradata buffer into the three headers that most |
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| 28 | * Xiph codecs use. (e.g. Theora and Vorbis) |
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| 29 | * Works both with Matroska's packing and lavc's packing. |
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| 30 | * |
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| 31 | * @param[in] extradata The single chunk that combines all three headers |
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| 32 | * @param[in] extradata_size The size of the extradata buffer |
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| 33 | * @param[in] first_header_size The size of the first header, used to |
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| 34 | * differentiate between the Matroska packing and lavc packing. |
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| 35 | * @param[out] header_start Pointers to the start of the three separate headers. |
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| 36 | * @param[out] header_len The sizes of each of the three headers. |
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| 37 | * @return On error a negative value is returned, on success zero. |
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| 38 | */ |
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| 39 | int avpriv_split_xiph_headers(uint8_t *extradata, int extradata_size, |
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| 40 | int first_header_size, uint8_t *header_start[3], |
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| 41 | int header_len[3]); |
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| 42 | |||
| 43 | #endif /* AVCODEC_XIPH_H */ |