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Michael Niedermayer e46c1c68c6 avcodec/brenderpix: Check input size before allocating image 
An incomplete image is not supported prior to this and will
not produce any output. This commit moves the failure before
time consuming operations.

Fixes: Timeout (81sec -> 76ms)
Fixes: 15723/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BRENDER_PIX_fuzzer-5147265653538816

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 38b6c48c43)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-12-02 19:41:48 +01:00
compat use a wrapper script to call MS link.exe to avoid mixing with /usr/bin/link.exe 2015-07-24 20:02:32 +02:00
doc update for 2.8.15 2018-07-15 20:29:24 +02:00
libavcodec avcodec/brenderpix: Check input size before allocating image 2019-12-02 19:41:48 +01:00
libavdevice avdevice/libdc1394: Make dc1394_frame_format and dc1394_frame_rate, static 2015-08-30 13:10:11 +02:00
libavfilter avfilter/af_silenceremove: fix possible crash if supplied duration is negative 2019-01-25 00:56:50 +01:00
libavformat lafv/wavdec: Fail bext parsing on incomplete reads 2019-12-02 19:41:48 +01:00
libavresample x86inc: Drop SECTION_TEXT macro 2015-08-04 20:13:09 +02:00
libavutil avutil/avstring: Fix bug and undefined behavior in av_strncasecmp() 2019-12-02 19:41:48 +01:00
libpostproc postproc/postprocess_template: Avoid using %4 for the threshold compare 2019-12-02 19:41:47 +01:00
libswresample swresample/swresample: Fix input channel count in resample_first computation 2018-08-03 02:14:31 +02:00
libswscale libswcale: Fix possible string overflow in test. 2019-12-02 19:41:48 +01:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests avcodec/vp56: Implement very basic error concealment 2017-05-20 03:41:32 +02:00
tools zmqsend: Initialize ret to 0 2016-12-06 00:59:22 +01:00
.gitattributes Treat all '*.pnm' files as non-text file 2014-11-28 17:52:43 -05:00
.gitignore doc/examples: rename avio_list_dir -> avio_dir_cmd 2015-08-16 02:16:47 +02:00
arch.mak use mmi instead of loongson3 as simd-optimization flag 2015-07-07 03:46:57 +02:00
Changelog update for 2.8.15 2018-07-15 20:29:24 +02:00
cmdutils.c cmdutils: fix typos 2016-11-26 15:12:25 +01:00
cmdutils.h cmdutils: fix typos 2016-11-26 15:12:25 +01:00
cmdutils_common_opts.h opts: add list device sources/sinks options 2014-10-25 20:20:31 +02:00
cmdutils_opencl.c OpenCL: Avoid potential buffer overflow in cmdutils_opencl.c 2015-04-28 12:18:23 +02:00
common.mak Merge commit '3ae0e721c7' 2015-07-22 16:30:37 +02:00
configure configure: bump year 2019-12-02 19:41:47 +01:00
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS
ffmpeg.c fftools/ffmpeg: Fallback to duration if sample rate is unavailable 2018-07-10 01:52:56 +02:00
ffmpeg.h ffmpeg: switch swscale option handling to AVDictionary similar to what the other subsystems use 2015-08-08 14:44:15 +02:00
ffmpeg_dxva2.c ffmpeg_dxva2: call GetDesktopWindow() in place of GetShellWindow() 2015-06-03 16:25:08 +02:00
ffmpeg_filter.c lavfi: fix compilation with FF_API_OLD_FILTER_OPTS=0. 2015-08-18 22:22:49 -04:00
ffmpeg_opt.c Avoid using the term "file" and prefer "url" in some docs and comments 2016-12-06 00:59:22 +01:00
ffmpeg_vdpau.c ffmpeg_vdpau: Ignore decoder's max supported level 2015-08-16 15:02:33 -07:00
ffmpeg_videotoolbox.c avcodec: add new Videotoolbox hwaccel. 2015-08-03 10:12:10 +02:00
ffplay.c cmdutils: remove the current working directory from the DLL search path on win32 2016-08-15 20:25:13 +02:00
ffprobe.c ffprobe: Fix NULL pointer handling in color parameter printing 2017-08-24 12:49:30 +02:00
ffserver.c ffserver: Check chunk size 2016-12-06 00:59:22 +01:00
ffserver_config.c ffserver: use -b instead of -ab for setting audio bitrate. 2015-08-28 14:59:58 -04:00
ffserver_config.h ffserver: Use singlejpeg muxer for jpeg 2015-06-08 03:36:22 +02:00
INSTALL.md
library.mak build: add LDLIBFLAGS 2015-07-08 14:35:02 +02:00
LICENSE.md avfilter/vf_removegrain: add x86 and x86_64 SSE2 functions 2015-07-14 23:50:50 +00:00
MAINTAINERS MAINTAINERs cleanup (remove myself from things i de facto dont maintain) 2016-08-15 18:54:34 +02:00
Makefile avcodec: add new Videotoolbox hwaccel. 2015-08-03 10:12:10 +02:00
README.md README: add ffserver 2015-02-12 11:59:22 +01:00
RELEASE update for 2.8.15 2018-07-15 20:29:24 +02:00
RELEASE_NOTES RELEASE_NOTES based on 2.7 2015-09-08 22:33:04 +02:00
version.sh version.sh: Print versions based on the last git tag for release branches 2014-07-28 15:44:59 +02:00

README.md

FFmpeg README

FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.

Libraries

  • libavcodec provides implementation of a wider range of codecs.
  • libavformat implements streaming protocols, container formats and basic I/O access.
  • libavutil includes hashers, decompressors and miscellaneous utility functions.
  • libavfilter provides a mean to alter decoded Audio and Video through chain of filters.
  • libavdevice provides an abstraction to access capture and playback devices.
  • libswresample implements audio mixing and resampling routines.
  • libswscale implements color conversion and scaling routines.

Tools

  • ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
  • ffplay is a minimalistic multimedia player.
  • ffprobe is a simple analysis tool to inspect multimedia content.
  • ffserver is a multimedia streaming server for live broadcasts.
  • Additional small tools such as aviocat, ismindex and qt-faststart.

Documentation

The offline documentation is available in the doc/ directory.

The online documentation is available in the main website and in the wiki.

Examples

Coding examples are available in the doc/examples directory.

License

FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.