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Michael Niedermayer cee1f4c069 avcodec/ac3dec: Check expacc 
this is somewhat a magic number, which can be understood from reading section
"7.1.2 Exponent Strategy" of the ac3 specification, in short:
Three exponents each represented as number 0-4 are grouped together and
base-5 encoded, so the maximal correct value is 25*4 + 5*4 + 4 = 124.

Reviewed-by: Andreas Cadhalpun <andreas.cadhalpun@googlemail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2016-11-03 22:05:46 +01:00
compat
doc avformat/mpegtsenc: Add option to mark stream begin as discontinuous 2016-11-02 16:34:01 +01:00
libavcodec avcodec/ac3dec: Check expacc 2016-11-03 22:05:46 +01:00
libavdevice lavd/xcbgrab: do not try to create refcounted packets. 2016-11-03 21:23:55 +01:00
libavfilter vf_colorspace: Add support for film primaries 2016-11-01 17:47:25 -04:00
libavformat lavf/mov.c: Use the first sidx for tracks without sidx. 2016-11-03 19:03:22 +01:00
libavresample Bump minor versions after 3.2 branchpoint to seperate release 2016-10-26 20:52:42 +02:00
libavutil Bump minor versions after 3.2 branchpoint to seperate release 2016-10-26 20:52:42 +02:00
libpostproc Bump minor versions after 3.2 branchpoint to seperate release 2016-10-26 20:52:42 +02:00
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tests tests/fate/avformat: add segment.c tests 2016-11-02 01:16:26 -05:00
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ffmpeg_cuvid.c doc: fix spelling errors 2016-10-21 23:58:47 +02:00
ffmpeg_dxva2.c
ffmpeg_filter.c ffmpeg: fix width/height overrides for sub2video processing 2016-11-03 16:20:59 +01:00
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ffplay.c
ffprobe.c lavf: add AV_DISPOSITION_TIMED_THUMBNAILS 2016-10-24 05:47:05 -05:00
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version.sh

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.