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Henrik Gramner 3a02cbe3fa x86inc: Enable AVX emulation for floating-point pseudo-instructions 
There are 32 pseudo-instructions for each floating-point comparison
instruction, but only 8 of them are actually valid in legacy-encoded mode.
The remaining 24 requires the use of VEX-encoded (v-prefixed) instructions
and can therefore be disregarded for this purpose.
2018-01-20 19:23:37 +01:00
compat compat/os2threads: support static mutexes 2018-01-07 00:14:12 -03:00
doc avdevice/decklink: addition of absolute wallclock option for pts source 2018-01-20 18:38:27 +01:00
ffbuild Merge commit '17b6c7efb471e8ff1b8a7271f6531ba1d52bf69c' 2017-11-12 01:02:02 -03:00
fftools fftools/ffmpeg_opt: Remove a write-only variable. 2018-01-08 00:17:00 +01:00
libavcodec avcodec/cuviddec: set key frame for decoded frames 2018-01-19 23:30:14 +01:00
libavdevice avdevice/decklink: Fix compilation of module on OSX 2018-01-20 18:38:29 +01:00
libavfilter avfilter/formats: remove support for deprecated channel count specification 2018-01-20 18:07:44 +01:00
libavformat lavf/swfdec: Reduce score when auto-detecting swf files. 2018-01-20 15:41:40 +01:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil x86inc: Enable AVX emulation for floating-point pseudo-instructions 2018-01-20 19:23:37 +01:00
libpostproc postproc: Drop deprecated qp typedef 2017-10-22 00:35:23 -03:00
libswresample lswr/rematrix: Support s32p. 2017-11-01 01:04:43 +01:00
libswscale Fix missing used attribute for inline assembly variables 2017-11-13 03:58:34 +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.