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Andreas Rheinhardt
eb7f4b4e79
pred8x8_horizontal_8_c: 6.9 pred8x8_horizontal_8_sse2: 9.9 ( 0.70x) pred8x8_horizontal_8_ssse3: 9.5 ( 0.73x) pred8x8_horizontal_8_avx2: 5.1 ( 1.35x) pred16x16_horizontal_8_c: 10.9 pred16x16_horizontal_8_sse2: 15.0 ( 0.72x) pred16x16_horizontal_8_ssse3: 11.7 ( 0.93x) pred16x16_horizontal_8_avx2: 9.6 ( 1.13x) The new functions are cheap and only occupy 2*48B. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.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.