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https://github.com/FFmpeg/FFmpeg.git
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98 lines
3.4 KiB
C
98 lines
3.4 KiB
C
/*
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* RAW demuxers
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* Copyright (C) 2007 Aurelien Jacobs <aurel@gnuage.org>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVFORMAT_RAWDEC_H
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#define AVFORMAT_RAWDEC_H
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#include "avformat.h"
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#include "libavutil/log.h"
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#include "libavutil/opt.h"
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typedef struct FFRawVideoDemuxerContext {
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const AVClass *class; /**< Class for private options. */
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char *video_size; /**< String describing video size, set by a private option. */
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char *pixel_format; /**< Set by a private option. */
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AVRational framerate; /**< AVRational describing framerate, set by a private option. */
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} FFRawVideoDemuxerContext;
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extern const AVOption ff_rawvideo_options[];
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int ff_raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt);
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int ff_raw_audio_read_header(AVFormatContext *s);
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int ff_raw_video_read_header(AVFormatContext *s);
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int ff_raw_subtitle_read_header(AVFormatContext *s);
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int ff_raw_data_read_header(AVFormatContext *s);
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#define FF_RAWVIDEO_DEMUXER_CLASS(name)\
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static const AVClass name ## _demuxer_class = {\
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.class_name = #name " demuxer",\
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.item_name = av_default_item_name,\
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.option = ff_rawvideo_options,\
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.version = LIBAVUTIL_VERSION_INT,\
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};
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#define FF_DEF_RAWVIDEO_DEMUXER2(shortname, longname, probe, ext, id, flag)\
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FF_RAWVIDEO_DEMUXER_CLASS(shortname)\
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AVInputFormat ff_ ## shortname ## _demuxer = {\
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.name = #shortname,\
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.long_name = NULL_IF_CONFIG_SMALL(longname),\
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.read_probe = probe,\
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.read_header = ff_raw_video_read_header,\
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.read_packet = ff_raw_read_partial_packet,\
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.extensions = ext,\
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.flags = flag,\
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.raw_codec_id = id,\
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.priv_data_size = sizeof(FFRawVideoDemuxerContext),\
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.priv_class = &shortname ## _demuxer_class,\
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};
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#define FF_DEF_RAWVIDEO_DEMUXER(shortname, longname, probe, ext, id)\
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FF_DEF_RAWVIDEO_DEMUXER2(shortname, longname, probe, ext, id, AVFMT_GENERIC_INDEX)
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#define FF_RAWSUB_DEMUXER_CLASS(name)\
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static const AVClass name ## _demuxer_class = {\
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.class_name = #name " demuxer",\
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.item_name = av_default_item_name,\
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.option = NULL,\
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.version = LIBAVUTIL_VERSION_INT,\
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};
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#define FF_DEF_RAWSUB_DEMUXER(shortname, longname, probe, ext, id, flag)\
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FF_RAWVIDEO_DEMUXER_CLASS(shortname)\
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AVInputFormat ff_ ## shortname ## _demuxer = {\
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.name = #shortname,\
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.long_name = NULL_IF_CONFIG_SMALL(longname),\
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.read_probe = probe,\
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.read_header = ff_raw_subtitle_read_header,\
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.read_packet = ff_raw_read_partial_packet,\
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.extensions = ext,\
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.flags = flag,\
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.raw_codec_id = id,\
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.priv_data_size = 0,\
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.priv_class = &shortname ## _demuxer_class,\
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};
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#endif /* AVFORMAT_RAWDEC_H */
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