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Gyan Doshi f60fdbc960 avfilter/extractplanes: add support for 12-bit YUVA formats 
At present, 16-bit auto-scaled format results in incorrect alpha
extraction.
2019-01-17 11:41:18 +01:00
compat additional math.h functions for djgpp 2018-11-28 22:16:07 +11:00
doc avfilter: add maskfun filter 2019-01-12 19:49:15 +01:00
ffbuild Merge commit '17b6c7efb471e8ff1b8a7271f6531ba1d52bf69c' 2017-11-12 01:02:02 -03:00
fftools ffmpeg_opt: Print a warning if more than one -vf/-af option was specified. 2019-01-15 00:27:05 +01:00
libavcodec avcodec/dirac_arith: Treat overread as error 2019-01-16 01:29:18 +01:00
libavdevice lavd/iec61883: Fix the include path for poll.h. 2019-01-16 00:13:49 +01:00
libavfilter avfilter/extractplanes: add support for 12-bit YUVA formats 2019-01-17 11:41:18 +01:00
libavformat avformat/hcom: check probe buffer size 2019-01-16 10:26:53 +01:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
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libswresample Bump minor version for master after 4.1 branchpoint 2018-11-02 00:53:07 +01:00
libswscale swscale/yuv2rgb: Return a more specific error code from ff_yuv2rgb_c_init_tables() 2019-01-01 21:11:47 +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.
  • 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.