f576a0835b45940aad08507257ecd8d61d42452c
Given the size of the data set, strided memory accesses cannot be avoided. We can still do better than the current code. ps_hybrid_synthesis_deint_c: 12065.5 ps_hybrid_synthesis_deint_rvv_i32: 13650.2 (before) ps_hybrid_synthesis_deint_rvv_i64: 8181.0 (after)
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.
Languages
C
90.9%
Assembly
7.2%
Makefile
1.3%
C++
0.2%
Objective-C
0.2%
Other
0.1%