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Michael Niedermayer f3095068d8 avcodec/wmv2dec: Skip I frame if its smaller than 1/8 of the minimal size 
Frames that small are not valid and of limited use for error concealment, while
being very computationally intensive to process.

Fixes: Timeout
Fixes: 11168/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV2_fuzzer-5733782032744448

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d6f4341522)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-03-21 10:42:51 +01:00
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doc Prepare 4.0.3 release 2018-10-23 01:26:15 +02:00
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fftools fftools/ffmpeg: Repair reinit_filter feature 2019-03-21 10:42:51 +01:00
libavcodec avcodec/wmv2dec: Skip I frame if its smaller than 1/8 of the minimal size 2019-03-21 10:42:51 +01:00
libavdevice avdevice/decklink_dec: unref packets on avpacket_queue_put error 2018-05-01 21:22:33 +02:00
libavfilter lavf/qsv: clone the frame which may be managed by framework 2018-04-23 22:56:18 +01:00
libavformat avformat/dsfdec: fix calculation of size of data chunk 2018-12-19 10:23:55 +01:00
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libavutil avutil/integer: Fix integer overflow in av_mul_i() 2018-11-03 00:50:15 +01:00
libpostproc Bump minor versions for branching release/4.0 2018-04-16 12:35:12 +02:00
libswresample swresample/swresample: Fix input channel count in resample_first computation 2018-10-07 21:34:00 +02:00
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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.