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43 lines
1.7 KiB
43 lines
1.7 KiB
/* |
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* Copyright (C) 2007 FFmpeg Project |
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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 FFMPEG_XIPH_H |
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#define FFMPEG_XIPH_H |
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#include "libavutil/common.h" |
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/** |
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* Splits a single extradata buffer into the three headers that most |
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* Xiph codecs use. (e.g. Theora and Vorbis) |
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* Works both with Matroska's packing and lavc's packing. |
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* |
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* @param[in] extradata The single chunk that combines all three headers |
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* @param[in] extradata_size The size of the extradata buffer |
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* @param[in] first_header_size The size of the first header, used to |
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* differentiate between the Matroska packing and lavc packing. |
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* @param[out] header_start Pointers to the start of the three separate headers. |
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* @param[out] header_len The sizes of each of the three headers. |
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* @return On error a negative value is returned, on success zero. |
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*/ |
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int ff_split_xiph_headers(uint8_t *extradata, int extradata_size, |
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int first_header_size, uint8_t *header_start[3], |
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int header_len[3]); |
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#endif /* FFMPEG_XIPH_H */
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