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Macbook Air (M2):
vvc_alf_classify_8x8_8_c: 2.6 ( 1.00x)
vvc_alf_classify_8x8_8_neon: 1.0 ( 2.47x)
vvc_alf_classify_8x8_10_c: 2.7 ( 1.00x)
vvc_alf_classify_8x8_10_neon: 0.9 ( 2.98x)
vvc_alf_classify_8x8_12_c: 2.7 ( 1.00x)
vvc_alf_classify_8x8_12_neon: 0.9 ( 2.97x)
vvc_alf_classify_16x16_8_c: 7.3 ( 1.00x)
vvc_alf_classify_16x16_8_neon: 3.4 ( 2.12x)
vvc_alf_classify_16x16_10_c: 4.3 ( 1.00x)
vvc_alf_classify_16x16_10_neon: 2.9 ( 1.47x)
vvc_alf_classify_16x16_12_c: 4.3 ( 1.00x)
vvc_alf_classify_16x16_12_neon: 3.0 ( 1.44x)
vvc_alf_classify_32x32_8_c: 13.7 ( 1.00x)
vvc_alf_classify_32x32_8_neon: 10.7 ( 1.29x)
vvc_alf_classify_32x32_10_c: 12.3 ( 1.00x)
vvc_alf_classify_32x32_10_neon: 8.7 ( 1.42x)
vvc_alf_classify_32x32_12_c: 12.2 ( 1.00x)
vvc_alf_classify_32x32_12_neon: 8.7 ( 1.40x)
vvc_alf_classify_64x64_8_c: 45.8 ( 1.00x)
vvc_alf_classify_64x64_8_neon: 37.1 ( 1.23x)
vvc_alf_classify_64x64_10_c: 41.3 ( 1.00x)
vvc_alf_classify_64x64_10_neon: 32.8 ( 1.26x)
vvc_alf_classify_64x64_12_c: 41.4 ( 1.00x)
vvc_alf_classify_64x64_12_neon: 32.4 ( 1.28x)
vvc_alf_classify_128x128_8_c: 163.7 ( 1.00x)
vvc_alf_classify_128x128_8_neon: 138.3 ( 1.18x)
vvc_alf_classify_128x128_10_c: 149.1 ( 1.00x)
vvc_alf_classify_128x128_10_neon: 120.3 ( 1.24x)
vvc_alf_classify_128x128_12_c: 148.7 ( 1.00x)
vvc_alf_classify_128x128_12_neon: 119.4 ( 1.25x)
RPi4 (Cortex-A72):
vvc_alf_classify_8x8_8_c: 1251.6 ( 1.00x)
vvc_alf_classify_8x8_8_neon: 700.7 ( 1.79x)
vvc_alf_classify_8x8_10_c: 1141.9 ( 1.00x)
vvc_alf_classify_8x8_10_neon: 659.7 ( 1.73x)
vvc_alf_classify_8x8_12_c: 1075.8 ( 1.00x)
vvc_alf_classify_8x8_12_neon: 658.7 ( 1.63x)
vvc_alf_classify_16x16_8_c: 3574.1 ( 1.00x)
vvc_alf_classify_16x16_8_neon: 1849.8 ( 1.93x)
vvc_alf_classify_16x16_10_c: 3270.0 ( 1.00x)
vvc_alf_classify_16x16_10_neon: 1786.1 ( 1.83x)
vvc_alf_classify_16x16_12_c: 3271.7 ( 1.00x)
vvc_alf_classify_16x16_12_neon: 1785.5 ( 1.83x)
vvc_alf_classify_32x32_8_c: 12451.9 ( 1.00x)
vvc_alf_classify_32x32_8_neon: 5984.3 ( 2.08x)
vvc_alf_classify_32x32_10_c: 11428.9 ( 1.00x)
vvc_alf_classify_32x32_10_neon: 5756.3 ( 1.99x)
vvc_alf_classify_32x32_12_c: 11252.8 ( 1.00x)
vvc_alf_classify_32x32_12_neon: 5755.7 ( 1.96x)
vvc_alf_classify_64x64_8_c: 47625.5 ( 1.00x)
vvc_alf_classify_64x64_8_neon: 21071.9 ( 2.26x)
vvc_alf_classify_64x64_10_c: 44576.3 ( 1.00x)
vvc_alf_classify_64x64_10_neon: 21544.7 ( 2.07x)
vvc_alf_classify_64x64_12_c: 44600.5 ( 1.00x)
vvc_alf_classify_64x64_12_neon: 21491.2 ( 2.08x)
vvc_alf_classify_128x128_8_c: 192143.3 ( 1.00x)
vvc_alf_classify_128x128_8_neon: 82387.6 ( 2.33x)
vvc_alf_classify_128x128_10_c: 177583.1 ( 1.00x)
vvc_alf_classify_128x128_10_neon: 81628.8 ( 2.18x)
vvc_alf_classify_128x128_12_c: 177582.2 ( 1.00x)
vvc_alf_classify_128x128_12_neon: 81625.1 ( 2.18x)
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.