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Michael Niedermayer 0ee143558d avcodec/hevc_cabac: Fix integer overflow in ff_hevc_cu_qp_delta_abs() 
Fixes: signed integer overflow: 2147483647 + 1073741824 cannot be represented in type 'int'
Fixes: 4555/clusterfuzz-testcase-minimized-4505532481142784

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-12-17 02:09:31 +01:00
compat compat/cuda: Pass a logging context to load functions 2017-11-20 15:47:05 +00:00
doc avfilter/vf_overlay: add premultiplied alpha mode 2017-12-16 18:40:04 +01:00
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fftools ffmpeg_opt: Constify hwaccel pointer. 2017-11-29 00:15:10 +01:00
libavcodec avcodec/hevc_cabac: Fix integer overflow in ff_hevc_cu_qp_delta_abs() 2017-12-17 02:09:31 +01:00
libavdevice lavd/alsa: Double maximum alsa buffer size. 2017-11-27 14:05:28 +01:00
libavfilter avfilter/vf_overlay: add premultiplied alpha mode 2017-12-16 18:40:04 +01:00
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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.
  • 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.

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.