mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-18 03:19:31 +02:00
71a822fa35
Fixes: out of array access Fixes: 22686/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5121369624018944 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Anton Khirnov <anton@khirnov.net> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
113 lines
3.9 KiB
C
113 lines
3.9 KiB
C
/*
|
|
* RAW demuxers
|
|
* Copyright (C) 2007 Aurelien Jacobs <aurel@gnuage.org>
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef AVFORMAT_RAWDEC_H
|
|
#define AVFORMAT_RAWDEC_H
|
|
|
|
#include "avformat.h"
|
|
#include "libavutil/log.h"
|
|
#include "libavutil/opt.h"
|
|
|
|
typedef struct FFRawVideoDemuxerContext {
|
|
const AVClass *class; /**< Class for private options. */
|
|
int raw_packet_size;
|
|
char *video_size; /**< String describing video size, set by a private option. */
|
|
char *pixel_format; /**< Set by a private option. */
|
|
AVRational framerate; /**< AVRational describing framerate, set by a private option. */
|
|
} FFRawVideoDemuxerContext;
|
|
|
|
typedef struct FFRawDemuxerContext {
|
|
const AVClass *class; /**< Class for private options. */
|
|
int raw_packet_size;
|
|
} FFRawDemuxerContext;
|
|
|
|
extern const AVOption ff_rawvideo_options[];
|
|
extern const AVOption ff_raw_options[];
|
|
|
|
int ff_raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt);
|
|
|
|
int ff_raw_audio_read_header(AVFormatContext *s);
|
|
|
|
int ff_raw_video_read_header(AVFormatContext *s);
|
|
|
|
int ff_raw_subtitle_read_header(AVFormatContext *s);
|
|
|
|
int ff_raw_data_read_header(AVFormatContext *s);
|
|
|
|
#define FF_RAW_DEMUXER_CLASS(name)\
|
|
static const AVClass name ## _demuxer_class = {\
|
|
.class_name = #name " demuxer",\
|
|
.item_name = av_default_item_name,\
|
|
.option = ff_raw_options,\
|
|
.version = LIBAVUTIL_VERSION_INT,\
|
|
};
|
|
|
|
#define FF_RAWVIDEO_DEMUXER_CLASS(name)\
|
|
static const AVClass name ## _demuxer_class = {\
|
|
.class_name = #name " demuxer",\
|
|
.item_name = av_default_item_name,\
|
|
.option = ff_rawvideo_options,\
|
|
.version = LIBAVUTIL_VERSION_INT,\
|
|
};
|
|
|
|
#define FF_DEF_RAWVIDEO_DEMUXER2(shortname, longname, probe, ext, id, flag)\
|
|
FF_RAWVIDEO_DEMUXER_CLASS(shortname)\
|
|
AVInputFormat ff_ ## shortname ## _demuxer = {\
|
|
.name = #shortname,\
|
|
.long_name = NULL_IF_CONFIG_SMALL(longname),\
|
|
.read_probe = probe,\
|
|
.read_header = ff_raw_video_read_header,\
|
|
.read_packet = ff_raw_read_partial_packet,\
|
|
.extensions = ext,\
|
|
.flags = flag,\
|
|
.raw_codec_id = id,\
|
|
.priv_data_size = sizeof(FFRawVideoDemuxerContext),\
|
|
.priv_class = &shortname ## _demuxer_class,\
|
|
};
|
|
|
|
#define FF_DEF_RAWVIDEO_DEMUXER(shortname, longname, probe, ext, id)\
|
|
FF_DEF_RAWVIDEO_DEMUXER2(shortname, longname, probe, ext, id, AVFMT_GENERIC_INDEX)
|
|
|
|
#define FF_RAWSUB_DEMUXER_CLASS(name)\
|
|
static const AVClass name ## _demuxer_class = {\
|
|
.class_name = #name " demuxer",\
|
|
.item_name = av_default_item_name,\
|
|
.option = ff_raw_options,\
|
|
.version = LIBAVUTIL_VERSION_INT,\
|
|
};
|
|
|
|
#define FF_DEF_RAWSUB_DEMUXER(shortname, longname, probe, ext, id, flag)\
|
|
FF_RAWSUB_DEMUXER_CLASS(shortname)\
|
|
AVInputFormat ff_ ## shortname ## _demuxer = {\
|
|
.name = #shortname,\
|
|
.long_name = NULL_IF_CONFIG_SMALL(longname),\
|
|
.read_probe = probe,\
|
|
.read_header = ff_raw_subtitle_read_header,\
|
|
.read_packet = ff_raw_read_partial_packet,\
|
|
.extensions = ext,\
|
|
.flags = flag,\
|
|
.raw_codec_id = id,\
|
|
.priv_data_size = sizeof(FFRawDemuxerContext),\
|
|
.priv_class = &shortname ## _demuxer_class,\
|
|
};
|
|
|
|
#endif /* AVFORMAT_RAWDEC_H */
|