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Marton Balint c6a65ed670 avfilter/vf_framerate: do not calculate scene change score multiple times for the same frame 
This speeds up the filter, and also fixes scene change detection score which is
reduced based on the difference of the current MAFD to the preivous MAFD.
Obviously if we compare two frames twice, the difference will be 0...

Signed-off-by: Marton Balint <cus@passwd.hu>
 		2017-12-21 23:03:10 +01:00
compat compat/cuda: Pass a logging context to load functions 2017-11-20 15:47:05 +00:00
doc avfilter/vf_framerate: fix scene change detection score 2017-12-21 23:03:10 +01:00
ffbuild Merge commit '17b6c7efb471e8ff1b8a7271f6531ba1d52bf69c' 2017-11-12 01:02:02 -03:00
fftools ffmpeg_opt: Constify hwaccel pointer. 2017-11-29 00:15:10 +01:00
libavcodec avcodec/jpeg2000dec: Free lengthinc earlier 2017-12-21 19:48:41 +01:00
libavdevice lavd/alsa: Double maximum alsa buffer size. 2017-11-27 14:05:28 +01:00
libavfilter avfilter/vf_framerate: do not calculate scene change score multiple times for the same frame 2017-12-21 23:03:10 +01:00
libavformat avformat/mov: simplify parsing of mdcv atom using av_make_q() 2017-12-21 01:23:17 -03:00
libavresample
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libavutil lavu/lavc/lavf/lavfi: Do not use type modifier %zu on Windows MSVCRT. 2017-12-17 18:05:42 +01:00
libpostproc
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libswresample
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libswscale Fix missing used attribute for inline assembly variables 2017-11-13 03:58:34 +01:00
presets
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tests avfilter/vf_framerate: fix scene change detection score 2017-12-21 23:03:10 +01:00
tools patcheck: Add 'threshhold' to common typo list 2017-12-13 12:25:44 +01:00
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CONTRIBUTING.md
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Changelog libavformat: LibreSSL (libtls) support 2017-12-17 17:32:42 +11:00
INSTALL.md
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MAINTAINERS MAINTAINERS: add myself as videotoolbox* maintainer 2017-11-13 19:54:20 +01:00
Makefile Makefile: fix distclean target 2017-11-14 10:09:40 -03:00
README.md
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RELEASE
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configure configure: fix minimum required version of libzimg 2017-12-21 00:48:16 -03:00

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.
  • 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.