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FFmpeg git repo
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Marton Balint 6847affcb7 avutil/opt: only skip evaluation for rational options 
Fixes problems when non-rational options were set using rational expressions,
causing rounding errors and the option range limits not to be enforced
properly.

ffmpeg -f lavfi -i "sine=r=96000/2"

This caused an assertion failure with assert level 2.

Signed-off-by: Marton Balint <cus@passwd.hu>
2020-05-01 17:22:58 +02:00
compat
doc doc/utils: add more examples for valid time duration 2020-05-01 22:57:29 +08:00
ffbuild
fftools ffmpeg: Remove the hw_device_ctx global 2020-04-26 18:38:25 +01:00
libavcodec avcodec/mpeg12enc: Use FF_PROFILE_MPEG2_xxx macros 2020-05-01 22:57:29 +08:00
libavdevice avfoundation: Fix building on iOS 2020-04-30 14:21:47 +02:00
libavfilter avfilter/af_adelay: Check sscanf() return value 2020-05-01 06:36:36 +08:00
libavformat avformat/concat: priv_data should be freed internally 2020-05-01 22:57:29 +08:00
libavresample
libavutil avutil/opt: only skip evaluation for rational options 2020-05-01 17:22:58 +02:00
libpostproc
libswresample
libswscale swscale/vscale: Increase type strictness 2020-04-27 23:34:31 +02:00
presets
tests fate/oggopus-demux: fix fate failure 2020-05-01 01:36:43 +01:00
tools tools: fix const specifier for AVInputFormat 2020-04-30 10:25:32 +01:00
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Changelog avfilter: add asubboost filter 2020-04-30 12:18:36 +02:00
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MAINTAINERS MAINTAINERS: add myself to the general developers list 2020-04-29 16:39:16 +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.