1 /* 2 * RAW demuxers 3 * Copyright (C) 2007 Aurelien Jacobs <aurel@gnuage.org> 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg 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 * FFmpeg 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 FFmpeg; 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 29 typedef struct FFRawVideoDemuxerContext { 30 const AVClass *class; /**< Class for private options. */ 31 int raw_packet_size; 32 char *video_size; /**< String describing video size, set by a private option. */ 33 char *pixel_format; /**< Set by a private option. */ 34 AVRational framerate; /**< AVRational describing framerate, set by a private option. */ 35 } FFRawVideoDemuxerContext; 36 37 typedef struct FFRawDemuxerContext { 38 const AVClass *class; /**< Class for private options. */ 39 int raw_packet_size; 40 } FFRawDemuxerContext; 41 42 extern const AVOption ff_raw_options[]; 43 extern const AVClass ff_rawvideo_demuxer_class; 44 extern const AVClass ff_raw_demuxer_class; 45 46 int ff_raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt); 47 48 int ff_raw_audio_read_header(AVFormatContext *s); 49 50 int ff_raw_video_read_header(AVFormatContext *s); 51 52 int ff_raw_subtitle_read_header(AVFormatContext *s); 53 54 #define FF_DEF_RAWVIDEO_DEMUXER2(shortname, longname, probe, ext, id, flag)\ 55 const AVInputFormat ff_ ## shortname ## _demuxer = {\ 56 .name = #shortname,\ 57 .long_name = NULL_IF_CONFIG_SMALL(longname),\ 58 .read_probe = probe,\ 59 .read_header = ff_raw_video_read_header,\ 60 .read_packet = ff_raw_read_partial_packet,\ 61 .extensions = ext,\ 62 .flags = flag,\ 63 .raw_codec_id = id,\ 64 .priv_data_size = sizeof(FFRawVideoDemuxerContext),\ 65 .priv_class = &ff_rawvideo_demuxer_class,\ 66 }; 67 68 #define FF_DEF_RAWVIDEO_DEMUXER(shortname, longname, probe, ext, id)\ 69 FF_DEF_RAWVIDEO_DEMUXER2(shortname, longname, probe, ext, id, AVFMT_GENERIC_INDEX) 70 71 #define FF_DEF_RAWSUB_DEMUXER(shortname, longname, probe, ext, id, flag)\ 72 const AVInputFormat ff_ ## shortname ## _demuxer = {\ 73 .name = #shortname,\ 74 .long_name = NULL_IF_CONFIG_SMALL(longname),\ 75 .read_probe = probe,\ 76 .read_header = ff_raw_subtitle_read_header,\ 77 .read_packet = ff_raw_read_partial_packet,\ 78 .extensions = ext,\ 79 .flags = flag,\ 80 .raw_codec_id = id,\ 81 .priv_data_size = sizeof(FFRawDemuxerContext),\ 82 .priv_class = &ff_raw_demuxer_class,\ 83 }; 84 85 #endif /* AVFORMAT_RAWDEC_H */ 86