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/libavformat/rawdec.h

http://github.com/FFmpeg/FFmpeg
C Header | 112 lines | 75 code | 17 blank | 20 comment | 0 complexity | 069b742b5ed0fe700e2a141afaeaa1a7 MD5 | raw file
  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
 29typedef 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
 37typedef struct FFRawDemuxerContext {
 38    const AVClass *class;     /**< Class for private options. */
 39    int raw_packet_size;
 40} FFRawDemuxerContext;
 41
 42extern const AVOption ff_rawvideo_options[];
 43extern const AVOption ff_raw_options[];
 44
 45int ff_raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt);
 46
 47int ff_raw_audio_read_header(AVFormatContext *s);
 48
 49int ff_raw_video_read_header(AVFormatContext *s);
 50
 51int ff_raw_subtitle_read_header(AVFormatContext *s);
 52
 53int ff_raw_data_read_header(AVFormatContext *s);
 54
 55#define FF_RAW_DEMUXER_CLASS(name)\
 56static const AVClass name ## _demuxer_class = {\
 57    .class_name = #name " demuxer",\
 58    .item_name  = av_default_item_name,\
 59    .option     = ff_raw_options,\
 60    .version    = LIBAVUTIL_VERSION_INT,\
 61};
 62
 63#define FF_RAWVIDEO_DEMUXER_CLASS(name)\
 64static const AVClass name ## _demuxer_class = {\
 65    .class_name = #name " demuxer",\
 66    .item_name  = av_default_item_name,\
 67    .option     = ff_rawvideo_options,\
 68    .version    = LIBAVUTIL_VERSION_INT,\
 69};
 70
 71#define FF_DEF_RAWVIDEO_DEMUXER2(shortname, longname, probe, ext, id, flag)\
 72FF_RAWVIDEO_DEMUXER_CLASS(shortname)\
 73AVInputFormat ff_ ## shortname ## _demuxer = {\
 74    .name           = #shortname,\
 75    .long_name      = NULL_IF_CONFIG_SMALL(longname),\
 76    .read_probe     = probe,\
 77    .read_header    = ff_raw_video_read_header,\
 78    .read_packet    = ff_raw_read_partial_packet,\
 79    .extensions     = ext,\
 80    .flags          = flag,\
 81    .raw_codec_id   = id,\
 82    .priv_data_size = sizeof(FFRawVideoDemuxerContext),\
 83    .priv_class     = &shortname ## _demuxer_class,\
 84};
 85
 86#define FF_DEF_RAWVIDEO_DEMUXER(shortname, longname, probe, ext, id)\
 87FF_DEF_RAWVIDEO_DEMUXER2(shortname, longname, probe, ext, id, AVFMT_GENERIC_INDEX)
 88
 89#define FF_RAWSUB_DEMUXER_CLASS(name)\
 90static const AVClass name ## _demuxer_class = {\
 91    .class_name = #name " demuxer",\
 92    .item_name  = av_default_item_name,\
 93    .option     = ff_raw_options,\
 94    .version    = LIBAVUTIL_VERSION_INT,\
 95};
 96
 97#define FF_DEF_RAWSUB_DEMUXER(shortname, longname, probe, ext, id, flag)\
 98FF_RAWVIDEO_DEMUXER_CLASS(shortname)\
 99AVInputFormat ff_ ## shortname ## _demuxer = {\
100    .name           = #shortname,\
101    .long_name      = NULL_IF_CONFIG_SMALL(longname),\
102    .read_probe     = probe,\
103    .read_header    = ff_raw_subtitle_read_header,\
104    .read_packet    = ff_raw_read_partial_packet,\
105    .extensions     = ext,\
106    .flags          = flag,\
107    .raw_codec_id   = id,\
108    .priv_data_size = sizeof(FFRawDemuxerContext),\
109    .priv_class     = &shortname ## _demuxer_class,\
110};
111
112#endif /* AVFORMAT_RAWDEC_H */