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Andreas Rheinhardt 114603d0b9 avutil/pixdesc: Use av_strstart where appropriate 
It makes the intent clearer and allows to avoid calculating the strlen
separately.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
 		2021-02-28 17:14:21 +01:00
compat compat/cuda: correct ushort4 to use ushort 2021-02-22 17:03:52 +01:00
doc avcodec/options: deprecate avcodec_get_frame_class() 2021-02-27 11:23:42 -03:00
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fftools fftools/ffmpeg, ffplay: Don't set refcounted_frames 2021-02-28 17:14:21 +01:00
libavcodec avcodec/exr: handle case when |im - IM| == 1 for huff compression 2021-02-28 02:06:02 +01:00
libavdevice avdevice: use av_gettime_relative() for elapsed time calculations 2021-02-27 21:41:50 +01:00
libavfilter avfilter/avf_showcqt: use av_gettime_relative() instead of av_gettime() 2021-02-27 21:30:41 +01:00
libavformat avformat/pcmdec: Beautify pcm_read_header 2021-02-28 17:14:21 +01:00
libavresample
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libavutil avutil/pixdesc: Use av_strstart where appropriate 2021-02-28 17:14:21 +01:00
libpostproc lavu/mem: move the DECLARE_ALIGNED macro family to mem_internal on next+1 bump 2021-01-01 14:14:57 +01:00
libswresample swresample/audioconvert: Fix left shift of negative value 2020-09-30 10:50:45 +02:00
libswscale swscale/x86/swscale: Remove unused ASM constants 2021-02-24 09:47:54 +01:00
presets
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Changelog avformat: add Simbiosis IMX demuxer 2021-02-20 17:43:17 +01:00
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configure Handle AVID MJPEG streams directly in the MJPEG decoder. 2021-02-25 11:46:28 +01:00

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.