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compat compat: remove in-tree NVidia headers Feb 27, 2018
doc lavc: Add filter_units bitstream filter Mar 18, 2018
ffbuild Merge commit '17b6c7efb471e8ff1b8a7271f6531ba1d52bf69c' Nov 12, 2017
fftools cmdutils: remove a superfluous line break Mar 17, 2018
libavcodec avcodec/vp9_superframe_split: move the reference in the bsf internal … Mar 20, 2018
libavdevice lavd: fix iterating of input and output devices Mar 18, 2018
libavfilter lavfi/deshake: Check alignment before calling asm init function. Mar 20, 2018
libavformat http: fix potentially dangerous whitespace skipping code Mar 18, 2018
libavresample avresample: remove deprecated attribute from the AVAudioResampleConte… Jan 9, 2018
libavutil hwcontext_vaapi: Always include DRM hwcontext header Mar 18, 2018
libpostproc postproc: Drop deprecated qp typedef Oct 22, 2017
libswresample swresample/rematrix: fix update of channel matrix if input or output … Feb 19, 2018
libswscale swscale: Introduce a helper to identify semi-planar formats Mar 3, 2018
presets presets: remove moldering iPod presets Jun 18, 2014
tests checkasm/hevc_idct : update test bit depth from 8 9 and 10 to 8 10 an… Mar 19, 2018
tools fftools, tools, examples: migrate to AVFormatContext->url Jan 28, 2018
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COPYING.LGPLv3 Add configure option to upgrade (L)GPL to version 3. Jun 5, 2009
CREDITS CREDITS: redirect to Git log, remove current outdated content Jan 31, 2013
Changelog avcodec/hapqa_extract_bsf : add new bsf filter Mar 13, 2018
INSTALL.md INSTALL: add markdown syntax May 28, 2014
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RELEASE RELEASE: update for git after 3.4 branchpoint Oct 11, 2017
configure configure: add const_nan dependency to h264_metadata_bsf Mar 18, 2018



FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.


  • 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.


  • 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.


The offline documentation is available in the doc/ directory.

The online documentation is available in the main website and in the wiki.


Coding examples are available in the doc/examples directory.


FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.


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.