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nilfm 5f4b7bf2b5 avfilter/vf_libvmaf: fix string comparison bug 
The libvmaf filter was doing substring checks in place of string equality
comparisons. This led to a bug when the user specified the pooling method
"harmonic_mean", since "mean" was checked first and the substring comparison
returned true. This patch changes all substring comparisons for string equality
comparisons. This is both correct and more efficient than the existing method.

Signed-off-by: nilfm <nilf@netflix.com>
2023-12-08 10:32:46 -08:00
compat configure: Set WIN32_LEAN_AND_MEAN at configure time 2023-08-14 22:57:28 +03:00
doc doc/ffmpeg: Update the description about d3d11va 2023-12-07 10:32:16 +08:00
ffbuild riscv: test for assembler support 2023-12-08 17:21:09 +02:00
fftools fftools/ffmpeg: make sure FrameData is writable when we modify it 2023-12-06 10:30:28 +01:00
libavcodec riscv: test for assembler support 2023-12-08 17:21:09 +02:00
libavdevice avdevice/decklink_dec: add explicit specifier 2023-11-21 08:02:29 +08:00
libavfilter avfilter/vf_libvmaf: fix string comparison bug 2023-12-08 10:32:46 -08:00
libavformat avformat/mov: Ignore duplicate ftyp 2023-12-05 12:12:10 +01:00
libavutil lavu/hwcontext_qsv: Make sure hardware vendor is Intel for qsv on d3d11va 2023-12-07 10:32:16 +08:00
libpostproc Bump versions after 6.1 2023-10-29 16:19:14 +01:00
libswresample Bump versions after 6.1 2023-10-29 16:19:14 +01:00
libswscale riscv: test for assembler support 2023-12-08 17:21:09 +02:00
presets
tests riscv: test for assembler support 2023-12-08 17:21:09 +02:00
tools tools/general_assembly: add newly voted-in extra GA members 2023-11-28 09:07:23 +01:00
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.mailmap mailmap: remap my email accounts 2023-11-03 20:57:49 +08:00
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Changelog avfilter: add Affine Projection adaptive audio filter 2023-11-28 15:40:34 +01:00
configure riscv: test for assembler support 2023-12-08 17:21:09 +02:00
CONTRIBUTING.md
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CREDITS Use https for repository links 2023-03-01 21:59:10 +01:00
INSTALL.md
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MAINTAINERS MAINTAINERS: add myself as vvc maintainer 2023-12-05 20:51:37 +01:00
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README.md
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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 means to alter decoded audio and video through a directed graph of connected 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.