X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Friff.h;h=3bd309f86b903ba5774e2f731434690008668e6d;hb=681ed0009905a088aae2a5caf2308d89aaa80562;hp=dc970f619d62e60104f464d27ee2b75f61184c1f;hpb=5b21bdabe43611385d1d55a21d5b1f607b133d29;p=ffmpeg diff --git a/libavformat/riff.h b/libavformat/riff.h index dc970f619d6..3bd309f86b9 100644 --- a/libavformat/riff.h +++ b/libavformat/riff.h @@ -2,53 +2,62 @@ * RIFF codec tags * copyright (c) 2000 Fabrice Bellard * - * This file is part of FFmpeg. + * This file is part of Libav. * - * FFmpeg is free software; you can redistribute it and/or + * 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. * - * FFmpeg is distributed in the hope that it will be useful, + * 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 FFmpeg; if not, write to the Free Software + * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** - * @file riff.h + * @file * internal header for RIFF based (de)muxers * do NOT include this in end user applications */ -#ifndef FFMPEG_RIFF_H -#define FFMPEG_RIFF_H +#ifndef AVFORMAT_RIFF_H +#define AVFORMAT_RIFF_H -#include "avcodec.h" +#include "libavcodec/avcodec.h" #include "avio.h" +#include "internal.h" +#include "metadata.h" -offset_t start_tag(ByteIOContext *pb, const char *tag); -void end_tag(ByteIOContext *pb, offset_t start); +extern const AVMetadataConv ff_riff_info_conv[]; +extern const char ff_riff_tags[][5]; -typedef struct AVCodecTag { - int id; - unsigned int tag; -} AVCodecTag; +int64_t ff_start_tag(AVIOContext *pb, const char *tag); +void ff_end_tag(AVIOContext *pb, int64_t start); -void put_bmp_header(ByteIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf); -int put_wav_header(ByteIOContext *pb, AVCodecContext *enc); -int wav_codec_get_id(unsigned int tag, int bps); -void get_wav_header(ByteIOContext *pb, AVCodecContext *codec, int size); +/** + * 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); -extern const AVCodecTag codec_bmp_tags[]; -extern const AVCodecTag codec_wav_tags[]; +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); -unsigned int codec_get_tag(const AVCodecTag *tags, int id); -enum CodecID codec_get_id(const AVCodecTag *tags, unsigned int tag); +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 /* FFMPEG_RIFF_H */ +int ff_read_riff_info(AVFormatContext *s, int64_t size); + +#endif /* AVFORMAT_RIFF_H */