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Ramiro Polla c0666d8bed swscale/aarch64/rgb2rgb: add neon implementation for rgb24toyv12 
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rgb24toyv12_16_200_c:     36890.6           17275.5
rgb24toyv12_16_200_neon:  12460.1 ( 2.96x)   5360.8 ( 3.22x)
rgb24toyv12_128_60_c:     83205.1           39884.8
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rgb24toyv12_512_16_c:     88111.6           42346.8
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rgb24toyv12_1920_4_c:     82068.1           39620.0
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compat avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
doc lavc: add HEVC Multiview Main profile 2024-09-06 13:59:28 +02:00
ffbuild riscv: add Zvbb vector bit manipulation extension 2024-05-11 11:38:49 +03:00
fftools fftools/ffmpeg: Fix honor -r output option with streamcopy 2024-09-04 13:01:37 +02:00
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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.