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On a AMD 7950x Zen 4 shuffle_bytes_0321_c: 56.5 ( 1.00x) shuffle_bytes_0321_ssse3: 15.2 ( 3.70x) shuffle_bytes_0321_avx2: 10.2 ( 5.51x) shuffle_bytes_0321_avx512icl: 9.2 ( 6.11x) shuffle_bytes_1230_c: 84.5 ( 1.00x) shuffle_bytes_1230_ssse3: 14.2 ( 5.93x) shuffle_bytes_1230_avx2: 15.2 ( 5.54x) shuffle_bytes_1230_avx512icl: 11.2 ( 7.51x) shuffle_bytes_2103_c: 48.5 ( 1.00x) shuffle_bytes_2103_ssse3: 21.2 ( 2.28x) shuffle_bytes_2103_avx2: 13.8 ( 3.53x) shuffle_bytes_2103_avx512icl: 9.2 ( 5.24x) shuffle_bytes_3012_c: 84.5 ( 1.00x) shuffle_bytes_3012_ssse3: 14.2 ( 5.93x) shuffle_bytes_3012_avx2: 16.2 ( 5.20x) shuffle_bytes_3012_avx512icl: 10.2 ( 8.24x) shuffle_bytes_3210_c: 89.2 ( 1.00x) shuffle_bytes_3210_ssse3: 24.2 ( 3.68x) shuffle_bytes_3210_avx2: 16.2 ( 5.49x) shuffle_bytes_3210_avx512icl: 9.2 ( 9.65x) Signed-off-by: Shreesh Adiga <16567adigashreesh@gmail.com>
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.