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alphadetect8_full_c: 5658.2 ( 1.00x) alphadetect8_full_avx2: 215.1 (26.31x) alphadetect8_full_avx512: 133.5 (42.40x) alphadetect8_limited_c: 7391.5 ( 1.00x) alphadetect8_limited_avx2: 649.3 (11.38x) alphadetect8_limited_avx512: 330.5 (22.36x) alphadetect16_full_c: 3027.4 ( 1.00x) alphadetect16_full_avx2: 209.4 (14.46x) alphadetect16_full_avx512: 141.4 (21.41x) alphadetect16_limited_c: 3880.9 ( 1.00x) alphadetect16_limited_avx2: 734.9 ( 5.28x) alphadetect16_limited_avx512: 349.2 (11.11x) rangedetect8_c: 5854.2 ( 1.00x) rangedetect8_avx2: 138.9 (42.15x) rangedetect8_avx512: 106.2 (55.12x) rangedetect16_c: 4122.0 ( 1.00x) rangedetect16_avx2: 138.6 (29.74x) rangedetect16_avx512: 104.1 (39.60x)
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.