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Andreas Rheinhardt 2b2358f595 avformat/aviobuf: Don't check for overflow after it happened 
If adding two ints overflows, it doesn't matter whether the result will
be stored in an unsigned or not; and checking afterwards does not make it
retroactively defined.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit 28a078eded)
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
 		2020-07-01 21:32:50 +02:00
compat compat/cuda: Change inclusion guards 2019-08-05 12:11:48 +02:00
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fftools ffplay: set stream_index to -1 earlier to prevent segfault 2020-05-20 22:11:28 +02:00
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libavfilter avfilter/vf_dedot: Fix leak of AVFrame if making it writable fails 2020-05-20 10:51:29 +02:00
libavformat avformat/aviobuf: Don't check for overflow after it happened 2020-07-01 21:32:50 +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.