PeerStreamer

/*

 * 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 FFMPEG_XIPH_H

#define FFMPEG_XIPH_H

#include "common.h"

/**

 * Splits 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 /* FFMPEG_XIPH_H */