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Michael Niedermayer 3b88c88fa1 avcodec/cfhd: Require valid setup before Lowpass coefficients, BandHeader and BandSecondPass 
Previously the code skipped all security checks when these where encountered but prior data was incorrect.
Also replace an always true condition by an assert

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 		2021-04-03 19:27:21 +02:00
compat compat/cuda: correct ushort4 to use ushort 2021-02-22 17:03:52 +01:00
doc doc/ffmpeg: clarify what -hwaccels list indicates 2021-04-03 10:58:07 +05:30
ffbuild ffbuild/common: Make deletion of templates possible 2021-02-07 09:45:04 +01:00
fftools fftools/ffprobe: Add missing dispositions 2021-03-31 11:51:58 +02:00
libavcodec avcodec/cfhd: Require valid setup before Lowpass coefficients, BandHeader and BandSecondPass 2021-04-03 19:27:21 +02:00
libavdevice Bump minor versions after release branch 2021-03-20 01:02:11 +01:00
libavfilter avfilter/vf_codecview: Fix undefined left shifts of negative numbers 2021-04-01 14:49:41 +02:00
libavformat avformat/vividas: Fix crash when seeking without audio stream 2021-04-02 21:03:39 +02:00
libavresample
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libavutil avutil/cpu: Fix race condition in av_cpu_count() 2021-04-02 19:12:43 +02:00
libpostproc Bump minor versions after release branch 2021-03-20 01:02:11 +01:00
libswresample libswresample/audioconvert: Fix undefined NULL + 0 2021-04-01 14:15:20 +02:00
libswscale libswscale/x86/yuv2yuvX: Removes unrolling for mmx and mmxext 2021-04-01 20:47:52 +02:00
presets
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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.