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Andreas Rheinhardt b0c4748770 avcodec/msmpeg4dec: Don't initialize unused RL VLCs 
For the RLTables ff_rl_table[0..2] only the very first VLC is only ever
used, so it makes no sense to create 32 of them. This saves 285200B from
the .bss segment; this amount of memory is actually saved when this
decoder is used.

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
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fftools ffmpeg_opts: remove lowres check 2021-01-21 10:22:41 -03:00
libavcodec avcodec/msmpeg4dec: Don't initialize unused RL 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
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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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.