1/* 2 * RAW demuxers 3 * Copyright (C) 2007 Aurelien Jacobs <aurel@gnuage.org> 4 * 5 * This file is part of Libav. 6 * 7 * Libav is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * Libav is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with Libav; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22#ifndef AVFORMAT_RAWDEC_H 23#define AVFORMAT_RAWDEC_H 24 25#include "avformat.h" 26#include "libavutil/log.h" 27#include "libavutil/opt.h" 28 29typedef struct RawAudioDemuxerContext { 30 AVClass *class; 31 int sample_rate; 32 int channels; 33} RawAudioDemuxerContext; 34 35typedef struct FFRawVideoDemuxerContext { 36 const AVClass *class; /**< Class for private options. */ 37 char *video_size; /**< String describing video size, set by a private option. */ 38 char *pixel_format; /**< Set by a private option. */ 39 char *framerate; /**< String describing framerate, set by a private option. */ 40} FFRawVideoDemuxerContext; 41 42extern const AVOption ff_rawvideo_options[]; 43 44int ff_raw_read_header(AVFormatContext *s, AVFormatParameters *ap); 45 46int ff_raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt); 47 48int ff_raw_audio_read_header(AVFormatContext *s, AVFormatParameters *ap); 49 50int ff_raw_video_read_header(AVFormatContext *s, AVFormatParameters *ap); 51 52#define FF_RAWVIDEO_DEMUXER_CLASS(name)\ 53static const AVClass name ## _demuxer_class = {\ 54 .class_name = #name " demuxer",\ 55 .item_name = av_default_item_name,\ 56 .option = ff_rawvideo_options,\ 57 .version = LIBAVUTIL_VERSION_INT,\ 58}; 59 60#define FF_DEF_RAWVIDEO_DEMUXER(shortname, longname, probe, ext, id)\ 61FF_RAWVIDEO_DEMUXER_CLASS(shortname)\ 62AVInputFormat ff_ ## shortname ## _demuxer = {\ 63 .name = #shortname,\ 64 .long_name = NULL_IF_CONFIG_SMALL(longname),\ 65 .read_probe = probe,\ 66 .read_header = ff_raw_video_read_header,\ 67 .read_packet = ff_raw_read_partial_packet,\ 68 .extensions = ext,\ 69 .flags = AVFMT_GENERIC_INDEX,\ 70 .value = id,\ 71 .priv_data_size = sizeof(FFRawVideoDemuxerContext),\ 72 .priv_class = &shortname ## _demuxer_class,\ 73}; 74 75#endif /* AVFORMAT_RAWDEC_H */ 76