mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
1.7 KiB
43 lines
1.7 KiB
/* |
|
* 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 ff_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 */
|
|
|