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Andreas Rheinhardt b9071a70fc avcodec/h261dec: Don't initialize unused VLCs 
The H.261 decoder uses only the very first VLC of ff_h261_rl_tcoeff,
so only initialize this one. Saves 68448B from the .bss segment; in case
the decoder is actually used, this amount of memory is saved.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
2021-01-25 14:51:53 +01:00
compat All: update names in copyright headers 2021-01-20 01:02:56 -06:00
doc avfilter/vf_lenscorrection: allow to change colors of unmapped pixels 2021-01-25 12:34:57 +01:00
ffbuild ffbuild: Refine MIPS handling 2020-07-23 16:30:02 +02:00
fftools ffmpeg_opts: remove lowres check 2021-01-21 10:22:41 -03:00
libavcodec avcodec/h261dec: Don't initialize unused VLCs 2021-01-25 14:51:53 +01:00
libavdevice lavd/dshow: Add namespace prefix to global functions 2021-01-21 20:02:23 -03:00
libavfilter avfilter/vf_lenscorrection: allow to change colors of unmapped pixels 2021-01-25 12:34:57 +01:00
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libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil Revert "avutil/timecode: fix sscanf format string with garbage at the end" 2021-01-23 19:54:14 +01:00
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RELEASE RELEASE: We are after the 4.3 branch point, update for that 2020-06-10 00:20:24 +02:00

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.