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compat compat/atomics: rename header guards Dec 2, 2016
doc lavfi/buffersink: add accessors for the stream properties. Jan 12, 2017
libavcodec lavc/h264dec: reconstruct and debug flush frames as well Jan 16, 2017
libavdevice lavd/lavfi: use buffersink accessors. Jan 12, 2017
libavfilter libavfilter/af_biquads: warn about clipping only after frame with cli… Jan 12, 2017
libavformat configure: Fix standalone compilation of aiff and caf muxers. Jan 16, 2017
libavresample Bump minor versions after 3.2 branchpoint to seperate release Oct 26, 2016
libavutil avutil/tests: add aes_ctr, audio_fifo and imgutils to .gitignore Jan 17, 2017
libpostproc Bump minor versions after 3.2 branchpoint to seperate release Oct 26, 2016
libswresample swresample/arm: cosmetic fixes Jan 13, 2017
libswscale swscale/swscale: Fix dereference of stride array before null check Dec 23, 2016
presets presets: remove moldering iPod presets Jun 18, 2014
tests dcaenc: Implementation of Huffman codes for DCA encoder Jan 15, 2017
tools tools/zmqsend: Do not truncate fgetc() return Dec 24, 2016
.gitattributes Treat all '*.pnm' files as non-text file Nov 28, 2014
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CONTRIBUTING.md Add CONTRIBUTING.md Sep 18, 2016
COPYING.GPLv2 Rename COPYING.GPL --> COPYING.GPLv2 and COPYING.LGPL --> COPYING.LGP… Jun 5, 2009
COPYING.GPLv3 Add configure option to upgrade (L)GPL to version 3. Jun 5, 2009
COPYING.LGPLv2.1 cosmetics: Delete empty lines at end of file. Feb 9, 2012
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CREDITS CREDITS: redirect to Git log, remove current outdated content Jan 31, 2013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: add Newtek SpeedHQ decoder Jan 11, 2017
INSTALL.md INSTALL: add markdown syntax May 28, 2014
LICENSE.md lavfi/f_ebur128: relicense to LGPL Nov 27, 2016
MAINTAINERS dxva2: allow an empty array of ID3D11VideoDecoderOutputView Jan 16, 2017
Makefile Merge commit '6641819feedb086ebba3d2be89b8d33980f367e1' Jun 26, 2016
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RELEASE RELEASE: Update for past 3.2 branch Oct 26, 2016
arch.mak mips: rename mipsdspr1 to mipsdsp Dec 4, 2015
cmdutils.c cmdutils: remove duplicate windows.h include Nov 16, 2016
cmdutils.h cmdutils: add show_demuxers and show_muxers Nov 8, 2016
cmdutils_common_opts.h cmdutils: add show_demuxers and show_muxers Nov 8, 2016
cmdutils_opencl.c cmdutils_opencl: fix resource_leak cid 1396852 Jan 12, 2017
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configure configure: Fix standalone compilation of aiff and caf muxers. Jan 16, 2017
ffmpeg.c ffmpeg: Add -time_base option to hint the time base Jan 14, 2017
ffmpeg.h ffmpeg: Add -time_base option to hint the time base Jan 14, 2017
ffmpeg_cuvid.c doc: fix spelling errors Oct 21, 2016
ffmpeg_dxva2.c Merge commit '18c506e9e6e8df8b1d496d093077b8240ea68c28' Jun 26, 2016
ffmpeg_filter.c ffmpeg: use buffersink accessors. Jan 12, 2017
ffmpeg_opt.c ffmpeg: Add -time_base option to hint the time base Jan 14, 2017
ffmpeg_qsv.c ffmpeg: Add an option "qsv_device" to choose proper node for QSV chil… Jan 11, 2017
ffmpeg_vaapi.c ffmpeg_vaapi: fix choice of decoder_format Sep 28, 2016
ffmpeg_vdpau.c Merge commit 'f72db3f2f3a8c83a4f5dede8fa03434b2bf676c6' Jun 26, 2016
ffmpeg_videotoolbox.c ffmpeg/videotoolbox: protect UTGetOSTypeFromString on both VDA and VT Oct 15, 2015
ffplay.c ffplay: use buffersink accessors. Jan 12, 2017
ffprobe.c lavc: Add spherical packet side data API Dec 7, 2016
ffserver.c ffserver: local OOB write with custom program name Jan 8, 2017
ffserver_config.c ffserver_config: Check for failure to allocate FFServerIPAddressACL Dec 22, 2016
ffserver_config.h ffsrever: Make the status page bitexact if any stream is bitexact Nov 29, 2016
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version.sh version.sh: Fix spurious rebuilds. Mar 10, 2016

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.
  • ffserver is a multimedia streaming server for live broadcasts.
  • 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.