mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2026-08-12 22:16:21 +00:00
fd711adcb6
pmaddubsw strikes again. vc1dsp.avg_vc1_mspel_pixels_tab_mc10_8_c: 150.2 ( 1.00x) vc1dsp.avg_vc1_mspel_pixels_tab_mc10_8_mmxext: 44.5 ( 3.38x) vc1dsp.avg_vc1_mspel_pixels_tab_mc10_8_ssse3: 18.5 ( 8.12x) vc1dsp.avg_vc1_mspel_pixels_tab_mc20_8_c: 288.2 ( 1.00x) vc1dsp.avg_vc1_mspel_pixels_tab_mc20_8_mmxext: 37.7 ( 7.64x) vc1dsp.avg_vc1_mspel_pixels_tab_mc20_8_ssse3: 18.1 (15.97x) vc1dsp.avg_vc1_mspel_pixels_tab_mc30_8_c: 155.4 ( 1.00x) vc1dsp.avg_vc1_mspel_pixels_tab_mc30_8_mmxext: 46.5 ( 3.34x) vc1dsp.avg_vc1_mspel_pixels_tab_mc30_8_ssse3: 18.1 ( 8.60x) vc1dsp.put_vc1_mspel_pixels_tab_mc10_8_c: 282.2 ( 1.00x) vc1dsp.put_vc1_mspel_pixels_tab_mc10_8_mmx: 42.7 ( 6.61x) vc1dsp.put_vc1_mspel_pixels_tab_mc10_8_ssse3: 16.4 (17.16x) vc1dsp.put_vc1_mspel_pixels_tab_mc20_8_c: 223.4 ( 1.00x) vc1dsp.put_vc1_mspel_pixels_tab_mc20_8_mmx: 36.3 ( 6.15x) vc1dsp.put_vc1_mspel_pixels_tab_mc20_8_ssse3: 16.4 (13.59x) vc1dsp.put_vc1_mspel_pixels_tab_mc30_8_c: 255.2 ( 1.00x) vc1dsp.put_vc1_mspel_pixels_tab_mc30_8_mmx: 43.6 ( 5.85x) vc1dsp.put_vc1_mspel_pixels_tab_mc30_8_ssse3: 16.4 (15.52x) 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.