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Clément Bœsch 5d23543277 Merge commit '24da430324735f95880c4a4a54298dc8023125bb' 
* commit '24da430324735f95880c4a4a54298dc8023125bb':
  Changelog: mark the release 12 branch

This commit is a noop.

Merged-by: Clément Bœsch <u@pkh.me>
2017-03-20 08:26:09 +01:00
compat compat/atomics/gcc: use __typeof__ instead of typeof 2017-03-18 12:13:46 -03:00
doc doc/APIchanges: fill date & hash for AV_PIX_FMT_FLAG_BAYER 2017-03-20 08:10:54 +01:00
libavcodec avcodec/mjpegdec: quant_matrixes can be up to 65535, use uint16_t 2017-03-20 01:38:04 +01:00
libavdevice Merge commit '93fed46a92bab8be176d3e67be4354189a8dbe7f' 2017-03-19 16:08:27 +01:00
libavfilter lavfi: deprecate AVFilterGraph->resample_lavr_opts 2017-03-18 07:37:35 +00:00
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libavresample
libavutil lavu: add AV_PIX_FMT_FLAG_BAYER 2017-03-20 08:02:30 +01:00
libpostproc
libswresample swresample/x86/resample: extend resample_double to support avx and fma3 2017-03-19 12:24:41 +07:00
libswscale swscale: cosmetics in is{RGB,BGR}inInt 2017-03-20 08:02:30 +01:00
presets
tests swscale: remove unused is{RGB,BGR}inBytes 2017-03-20 08:02:30 +01:00
tools tools/target_dec_fuzzer: Fix misaligned read 2017-02-24 14:12:13 +01:00
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Changelog Merge commit '80fc75d51e3312e1890591048eb6a3d499b6e49d' 2017-03-20 08:19:03 +01:00
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ffmpeg_cuvid.c ffmpeg_cuvid: adapt for recent filter graph initialization changes 2017-03-03 08:45:43 +01:00
ffmpeg_dxva2.c
ffmpeg_filter.c ffmpeg: don't use resample_lavr_opts 2017-03-16 06:58:50 +00:00
ffmpeg_opt.c ffmpeg, ffprobe: don't "merge" side data into packet data by default 2017-03-14 23:37:28 +01:00
ffmpeg_qsv.c ffmpeg: init filtergraphs only after we have a frame on each input 2017-03-03 08:45:43 +01:00
ffmpeg_vaapi.c ffmpeg_vaapi: Always set hwaccel_ctx, so it gets properly cleaned up on error 2017-02-05 15:13:15 +00:00
ffmpeg_vdpau.c
ffmpeg_videotoolbox.c
ffmpeg.c ffmpeg: set the encoding framerate when the output is CFR 2017-03-17 11:54:38 +01:00
ffmpeg.h Merge commit 'b0f36a0043d76436cc7ab8ff92ab99c94595d3c0' 2017-03-12 13:08:04 +01:00
ffplay.c ffplay: change keyboard volume control to logarithmic 2017-02-08 22:36:42 +01:00
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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 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.