0,0 → 1,43 |
/* |
* Copyright (C) 2007 FFmpeg Project |
* |
* This file is part of FFmpeg. |
* |
* FFmpeg is free software; you can redistribute it and/or |
* modify it under the terms of the GNU Lesser General Public |
* License as published by the Free Software Foundation; either |
* version 2.1 of the License, or (at your option) any later version. |
* |
* FFmpeg is distributed in the hope that it will be useful, |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
* Lesser General Public License for more details. |
* |
* You should have received a copy of the GNU Lesser General Public |
* License along with FFmpeg; if not, write to the Free Software |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
*/ |
|
#ifndef AVCODEC_XIPH_H |
#define AVCODEC_XIPH_H |
|
#include "libavutil/common.h" |
|
/** |
* Split a single extradata buffer into the three headers that most |
* Xiph codecs use. (e.g. Theora and Vorbis) |
* Works both with Matroska's packing and lavc's packing. |
* |
* @param[in] extradata The single chunk that combines all three headers |
* @param[in] extradata_size The size of the extradata buffer |
* @param[in] first_header_size The size of the first header, used to |
* differentiate between the Matroska packing and lavc packing. |
* @param[out] header_start Pointers to the start of the three separate headers. |
* @param[out] header_len The sizes of each of the three headers. |
* @return On error a negative value is returned, on success zero. |
*/ |
int avpriv_split_xiph_headers(uint8_t *extradata, int extradata_size, |
int first_header_size, uint8_t *header_start[3], |
int header_len[3]); |
|
#endif /* AVCODEC_XIPH_H */ |