blob: a464bbb4328b7b5fe68902ed8d82d210d667fb0d
| 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 | char *video_size; /**< String describing video size, set by a private option. */ |
| 32 | char *pixel_format; /**< Set by a private option. */ |
| 33 | AVRational framerate; /**< AVRational describing framerate, set by a private option. */ |
| 34 | } FFRawVideoDemuxerContext; |
| 35 | |
| 36 | extern const AVOption ff_rawvideo_options[]; |
| 37 | |
| 38 | int ff_raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt); |
| 39 | |
| 40 | int ff_raw_audio_read_header(AVFormatContext *s); |
| 41 | |
| 42 | int ff_raw_video_read_header(AVFormatContext *s); |
| 43 | |
| 44 | int ff_raw_data_read_header(AVFormatContext *s); |
| 45 | |
| 46 | #define FF_RAWVIDEO_DEMUXER_CLASS(name)\ |
| 47 | static const AVClass name ## _demuxer_class = {\ |
| 48 | .class_name = #name " demuxer",\ |
| 49 | .item_name = av_default_item_name,\ |
| 50 | .option = ff_rawvideo_options,\ |
| 51 | .version = LIBAVUTIL_VERSION_INT,\ |
| 52 | }; |
| 53 | |
| 54 | #define FF_DEF_RAWVIDEO_DEMUXER2(shortname, longname, probe, ext, id, flag)\ |
| 55 | FF_RAWVIDEO_DEMUXER_CLASS(shortname)\ |
| 56 | AVInputFormat ff_ ## shortname ## _demuxer = {\ |
| 57 | .name = #shortname,\ |
| 58 | .long_name = NULL_IF_CONFIG_SMALL(longname),\ |
| 59 | .read_probe = probe,\ |
| 60 | .read_header = ff_raw_video_read_header,\ |
| 61 | .read_packet = ff_raw_read_partial_packet,\ |
| 62 | .extensions = ext,\ |
| 63 | .flags = flag,\ |
| 64 | .raw_codec_id = id,\ |
| 65 | .priv_data_size = sizeof(FFRawVideoDemuxerContext),\ |
| 66 | .priv_class = &shortname ## _demuxer_class,\ |
| 67 | }; |
| 68 | |
| 69 | #define FF_DEF_RAWVIDEO_DEMUXER(shortname, longname, probe, ext, id)\ |
| 70 | FF_DEF_RAWVIDEO_DEMUXER2(shortname, longname, probe, ext, id, AVFMT_GENERIC_INDEX) |
| 71 | |
| 72 | #define FF_RAWSUB_DEMUXER_CLASS(name)\ |
| 73 | static const AVClass name ## _demuxer_class = {\ |
| 74 | .class_name = #name " demuxer",\ |
| 75 | .item_name = av_default_item_name,\ |
| 76 | .option = NULL,\ |
| 77 | .version = LIBAVUTIL_VERSION_INT,\ |
| 78 | }; |
| 79 | |
| 80 | #define FF_DEF_RAWSUB_DEMUXER(shortname, longname, probe, ext, id, flag)\ |
| 81 | FF_RAWVIDEO_DEMUXER_CLASS(shortname)\ |
| 82 | AVInputFormat ff_ ## shortname ## _demuxer = {\ |
| 83 | .name = #shortname,\ |
| 84 | .long_name = NULL_IF_CONFIG_SMALL(longname),\ |
| 85 | .read_probe = probe,\ |
| 86 | .read_header = ff_raw_data_read_header,\ |
| 87 | .read_packet = ff_raw_read_partial_packet,\ |
| 88 | .extensions = ext,\ |
| 89 | .flags = flag,\ |
| 90 | .raw_codec_id = id,\ |
| 91 | .priv_data_size = 0,\ |
| 92 | .priv_class = &shortname ## _demuxer_class,\ |
| 93 | }; |
| 94 | |
| 95 | #endif /* AVFORMAT_RAWDEC_H */ |
| 96 |