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Michael Niedermayer 876f9ac9a6 configure: make the C11 atomics check more robust
C11 atomics allow direct access. This check should prevent the usage
of bogus stdatomic.h available on some systems.

Signed-off-by: James Almer <jamrial@gmail.com>
2018-04-13 11:08:17 -03:00
compat compat: remove in-tree NVidia headers 2018-02-27 16:22:12 +01:00
doc avformat/hlsenc: add option hls_delete_threshold 2018-04-13 15:39:49 +08:00
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libavcodec avcodec/magicyuvenc: mark as experimental 2018-04-13 13:33:44 +02:00
libavdevice lavfi,lavd: add gitignore for generated static component lists 2018-04-05 22:08:53 +01:00
libavfilter avfilter: add vfrdet filter 2018-04-13 08:41:51 +02:00
libavformat avformat/hlsenc: add option hls_delete_threshold 2018-04-13 15:39:49 +08:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avutil/pixdesc: deprecate AV_PIX_FMT_FLAG_PSEUDOPAL 2018-04-03 17:53:00 +02:00
libpostproc postproc: Drop deprecated qp typedef 2017-10-22 00:35:23 -03:00
libswresample swresample/swresample: Fix for seg fault in swr_convert_internal() -> sum2_float during dithering. 2018-04-07 02:10:45 +02:00
libswscale avutil/pixdesc: deprecate AV_PIX_FMT_FLAG_PSEUDOPAL 2018-04-03 17:53:00 +02:00
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configure configure: make the C11 atomics check more robust 2018-04-13 11:08:17 -03:00
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RELEASE RELEASE: update for git after 3.4 branchpoint 2017-10-11 02:46:23 +02:00

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.