75f1a8e071
chrRangeFromJpeg_8_c: 29.2 chrRangeFromJpeg_8_neon: 19.5 chrRangeFromJpeg_24_c: 80.5 chrRangeFromJpeg_24_neon: 34.0 chrRangeFromJpeg_128_c: 413.7 chrRangeFromJpeg_128_neon: 156.0 chrRangeFromJpeg_144_c: 471.0 chrRangeFromJpeg_144_neon: 174.2 chrRangeFromJpeg_256_c: 842.0 chrRangeFromJpeg_256_neon: 305.5 chrRangeFromJpeg_512_c: 1699.0 chrRangeFromJpeg_512_neon: 608.0 chrRangeToJpeg_8_c: 51.7 chrRangeToJpeg_8_neon: 22.7 chrRangeToJpeg_24_c: 149.7 chrRangeToJpeg_24_neon: 38.0 chrRangeToJpeg_128_c: 761.7 chrRangeToJpeg_128_neon: 176.7 chrRangeToJpeg_144_c: 866.2 chrRangeToJpeg_144_neon: 198.7 chrRangeToJpeg_256_c: 1516.5 chrRangeToJpeg_256_neon: 348.7 chrRangeToJpeg_512_c: 3067.2 chrRangeToJpeg_512_neon: 692.7 lumRangeFromJpeg_8_c: 24.0 lumRangeFromJpeg_8_neon: 17.0 lumRangeFromJpeg_24_c: 56.7 lumRangeFromJpeg_24_neon: 21.0 lumRangeFromJpeg_128_c: 294.5 lumRangeFromJpeg_128_neon: 76.7 lumRangeFromJpeg_144_c: 332.5 lumRangeFromJpeg_144_neon: 86.7 lumRangeFromJpeg_256_c: 586.0 lumRangeFromJpeg_256_neon: 152.2 lumRangeFromJpeg_512_c: 1190.0 lumRangeFromJpeg_512_neon: 298.0 lumRangeToJpeg_8_c: 31.7 lumRangeToJpeg_8_neon: 19.5 lumRangeToJpeg_24_c: 83.5 lumRangeToJpeg_24_neon: 24.2 lumRangeToJpeg_128_c: 440.5 lumRangeToJpeg_128_neon: 91.0 lumRangeToJpeg_144_c: 504.2 lumRangeToJpeg_144_neon: 101.0 lumRangeToJpeg_256_c: 879.7 lumRangeToJpeg_256_neon: 177.2 lumRangeToJpeg_512_c: 1794.2 lumRangeToJpeg_512_neon: 354.0
FFmpeg README
FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.
Libraries
libavcodecprovides implementation of a wider range of codecs.libavformatimplements streaming protocols, container formats and basic I/O access.libavutilincludes hashers, decompressors and miscellaneous utility functions.libavfilterprovides means to alter decoded audio and video through a directed graph of connected filters.libavdeviceprovides an abstraction to access capture and playback devices.libswresampleimplements audio mixing and resampling routines.libswscaleimplements 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,ismindexandqt-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.