/* * RIFF codec tags * copyright (c) 2000 Fabrice Bellard * * This file is part of Libav. * * Libav 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. * * Libav 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 Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file * internal header for RIFF based (de)muxers * do NOT include this in end user applications */ #ifndef AVFORMAT_RIFF_H #define AVFORMAT_RIFF_H #include "libavcodec/avcodec.h" #include "avio.h" #include "internal.h" int64_t ff_start_tag(AVIOContext *pb, const char *tag); void ff_end_tag(AVIOContext *pb, int64_t start); /** * Read BITMAPINFOHEADER structure and set AVStream codec width, height and * bits_per_encoded_sample fields. Does not read extradata. * @return codec tag */ int ff_get_bmp_header(AVIOContext *pb, AVStream *st); void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf); int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc); enum CodecID ff_wav_codec_get_id(unsigned int tag, int bps); int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size); extern const AVCodecTag ff_codec_bmp_tags[]; extern const AVCodecTag ff_codec_wav_tags[]; unsigned int ff_codec_get_tag(const AVCodecTag *tags, enum CodecID id); enum CodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag); void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale); #endif /* AVFORMAT_RIFF_H */