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FFmpeg git repo
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Anton Khirnov 2e956d9c0f lavc/container_fifo: move to lavu and make public 
This can be useful in other places, e.g. it can replace objpool in
fftools.

The API is modified in the following nontrivial ways:
* opaque pointers can be passed through to all user callbacks
* read and write were previously separate callbacks in order to
  accomodate the caller wishing to write a new reference to the FIFO and
  keep the original one; the two callbacks are now merged into one, and
  a flags argument is added that allows to request such behaviour on a
  per-call basis
* new peek and drain functions
2024-12-15 14:05:15 +01:00
compat compat: Fix the fallback definition of stdc_trailing_zeros 2024-09-24 14:00:27 +03:00
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fftools fftools/ffprobe: add analyze_frames option for CC and grain detection 2024-12-13 22:41:31 -06:00
libavcodec lavc/container_fifo: move to lavu and make public 2024-12-15 14:05:15 +01:00
libavdevice avdevice/dshow: fix unused variable warning 2024-10-17 13:04:17 +02:00
libavfilter avfilter/af_ashowinfo: fix scaling factor of replaygain peak values 2024-12-07 12:03:53 -05:00
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libpostproc */version.h: bump after release/7.1 branch 2024-09-24 17:10:35 +02:00
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README.md
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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 means to alter decoded audio and video through a directed graph of connected 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.