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6464c157d5
Decoder-Side Motion Vector Refinement is about 4~8% CPU usage for some clips here is the test result for one time clips | before| after | delta ------------------------------------------|-------|-------|------ RitualDance_1920x1080_60_10_420_37_RA.266 | 338.7 | 354.3 |4.61% NovosobornayaSquare_1920x1080.bin | 320.3 | 329.3 |2.81% Tango2_3840x2160_60_10_420_27_LD.266 | 83.3 | 83.7 |0.48% RitualDance_1920x1080_60_10_420_32_LD.266 | 320.7 | 327.3 |2.06% Chimera_8bit_1080P_1000_frames.vvc | 360.7 | 381.0 |5.63% BQTerrace_1920x1080_60_10_420_22_RA.vvc | 161.7 | 163.0 |0.80%
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.