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Michael Niedermayer 89fd76db71 avcodec/cook: Use 3 stage VLC decoding for channel_coupling 
Fixes: shift exponent -1 is negative
Fixes: out of array read
Fixes: 19028/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_COOK_fuzzer-5759766471376896
Fixes: 19037/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_COOK_fuzzer-5734106625474560

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-12-31 18:43:50 +01:00
compat compat/cuda: Change inclusion guards 2019-08-05 12:07:09 +02:00
doc avdevice/xcbgrab: capture the full desktop if video_size is not specified 2019-12-30 23:32:27 +01:00
ffbuild build: add support for building CUDA files with clang 2019-08-04 19:08:08 +02:00
fftools fftools/ffmpeg_filter: remove sws_param option from buffersrc 2019-12-31 14:24:34 +01:00
libavcodec avcodec/cook: Use 3 stage VLC decoding for channel_coupling 2019-12-31 18:43:50 +01:00
libavdevice avdevice/xcbgrab: capture the full desktop if video_size is not specified 2019-12-30 23:32:27 +01:00
libavfilter avfilter/vf_histogram: add envelope to thistogram filter 2019-12-30 17:21:35 +01:00
libavformat avformat/options_table: err_detect compliant and aggressive should also enable the weaker checks 2019-12-31 18:43:50 +01:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avutil/eval: Add av_expr_count_func() similar to av_expr_count_vars() 2019-12-28 11:20:48 +01:00
libpostproc Bump minor versions again on master to keep 4.2 versions separate from master 2019-07-21 18:36:31 +02:00
libswresample swresample/audioconvert: fix invalid left shift for 64bit sample format 2019-09-26 16:22:47 +02:00
libswscale swscale/utils: remove access of AV_PIX_FMT_NB 2019-12-31 12:37:47 +01:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests avformat/matroskadec: Fix lzo decompression 2019-12-28 22:40:13 -03:00
tools tools/target_dec_fuzzer: Stop negative block_align and sampling rate 2019-12-31 12:37:47 +01:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.gitignore tools/python: add script to convert TensorFlow model (.pb) to native model (.model) 2019-07-01 10:23:47 -03:00
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
Changelog avfilter: add thistogram video filter 2019-12-29 15:33:55 +01:00
configure avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
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CREDITS CREDITS: redirect to Git log, remove current outdated content 2013-01-31 18:02:52 +01:00
INSTALL.md INSTALL.md: Fix Markdown formatting 2019-01-31 10:29:16 -09:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: add myself as libxavs2 maintainer 2019-12-07 19:34:57 +01:00
Makefile tools: add a fuzzer tool for bitstream filters 2019-12-05 20:49:15 -03:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
RELEASE RELEASE: Update value for post 4.2 branch 2019-07-21 18:37:32 +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.
  • 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.

Contributing

Patches should be submitted to the ffmpeg-devel mailing list using git format-patch or git send-email. Github pull requests should be avoided because they are not part of our review process and will be ignored.