mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-26 19:01:44 +02:00
44 lines
1.7 KiB
C
44 lines
1.7 KiB
C
/*
|
|
* 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 */
|