/* * Copyright (C) 2007 The 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 <stdint.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(const uint8_t *extradata, int extradata_size, int first_header_size, const uint8_t *header_start[3], int header_len[3]); #endif /* AVCODEC_XIPH_H */