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This is a part of Google Summer of Code 2023 AVX2: - vvc_sao.sao_band [OK] - vvc_sao.sao_edge [OK] checkasm: all 54 tests passed vvc_sao_band_8_8_c: 157.4 ( 1.00x) vvc_sao_band_8_8_avx2: 30.7 ( 5.12x) vvc_sao_band_8_10_c: 119.4 ( 1.00x) vvc_sao_band_8_10_avx2: 29.2 ( 4.09x) vvc_sao_band_8_12_c: 144.6 ( 1.00x) vvc_sao_band_8_12_avx2: 30.0 ( 4.82x) vvc_sao_band_16_8_c: 446.5 ( 1.00x) vvc_sao_band_16_8_avx2: 103.3 ( 4.32x) vvc_sao_band_16_10_c: 399.2 ( 1.00x) vvc_sao_band_16_10_avx2: 64.3 ( 6.21x) vvc_sao_band_16_12_c: 472.9 ( 1.00x) vvc_sao_band_16_12_avx2: 56.5 ( 8.37x) vvc_sao_band_32_8_c: 2430.9 ( 1.00x) vvc_sao_band_32_8_avx2: 203.3 (11.96x) vvc_sao_band_32_10_c: 1405.7 ( 1.00x) vvc_sao_band_32_10_avx2: 208.5 ( 6.74x) vvc_sao_band_32_12_c: 2054.3 ( 1.00x) vvc_sao_band_32_12_avx2: 213.0 ( 9.64x) vvc_sao_band_48_8_c: 3835.4 ( 1.00x) vvc_sao_band_48_8_avx2: 604.2 ( 6.35x) vvc_sao_band_48_10_c: 3624.6 ( 1.00x) vvc_sao_band_48_10_avx2: 468.8 ( 7.73x) vvc_sao_band_48_12_c: 3752.4 ( 1.00x) vvc_sao_band_48_12_avx2: 477.5 ( 7.86x) vvc_sao_band_64_8_c: 6061.1 ( 1.00x) vvc_sao_band_64_8_avx2: 803.9 ( 7.54x) vvc_sao_band_64_10_c: 6142.5 ( 1.00x) vvc_sao_band_64_10_avx2: 827.3 ( 7.43x) vvc_sao_band_64_12_c: 6106.6 ( 1.00x) vvc_sao_band_64_12_avx2: 839.9 ( 7.27x) vvc_sao_band_80_8_c: 9478.0 ( 1.00x) vvc_sao_band_80_8_avx2: 1516.7 ( 6.25x) vvc_sao_band_80_10_c: 10300.5 ( 1.00x) vvc_sao_band_80_10_avx2: 1298.7 ( 7.93x) vvc_sao_band_80_12_c: 8941.1 ( 1.00x) vvc_sao_band_80_12_avx2: 1315.3 ( 6.80x) vvc_sao_band_96_8_c: 13351.5 ( 1.00x) vvc_sao_band_96_8_avx2: 1815.4 ( 7.35x) vvc_sao_band_96_10_c: 13197.5 ( 1.00x) vvc_sao_band_96_10_avx2: 1872.4 ( 7.05x) vvc_sao_band_96_12_c: 11969.0 ( 1.00x) vvc_sao_band_96_12_avx2: 1895.8 ( 6.31x) vvc_sao_band_112_8_c: 19936.9 ( 1.00x) vvc_sao_band_112_8_avx2: 2802.3 ( 7.11x) vvc_sao_band_112_10_c: 19534.9 ( 1.00x) vvc_sao_band_112_10_avx2: 2635.0 ( 7.41x) vvc_sao_band_112_12_c: 16520.6 ( 1.00x) vvc_sao_band_112_12_avx2: 2591.8 ( 6.37x) vvc_sao_band_128_8_c: 25967.5 ( 1.00x) vvc_sao_band_128_8_avx2: 3155.3 ( 8.23x) vvc_sao_band_128_10_c: 24002.6 ( 1.00x) vvc_sao_band_128_10_avx2: 3374.6 ( 7.11x) vvc_sao_band_128_12_c: 20829.4 ( 1.00x) vvc_sao_band_128_12_avx2: 3377.0 ( 6.17x) vvc_sao_edge_8_8_c: 174.6 ( 1.00x) vvc_sao_edge_8_8_avx2: 37.0 ( 4.72x) vvc_sao_edge_8_10_c: 174.4 ( 1.00x) vvc_sao_edge_8_10_avx2: 58.5 ( 2.98x) vvc_sao_edge_8_12_c: 171.1 ( 1.00x) vvc_sao_edge_8_12_avx2: 58.5 ( 2.93x) vvc_sao_edge_16_8_c: 677.7 ( 1.00x) vvc_sao_edge_16_8_avx2: 72.2 ( 9.39x) vvc_sao_edge_16_10_c: 724.8 ( 1.00x) vvc_sao_edge_16_10_avx2: 106.4 ( 6.81x) vvc_sao_edge_16_12_c: 647.0 ( 1.00x) vvc_sao_edge_16_12_avx2: 106.6 ( 6.07x) vvc_sao_edge_32_8_c: 3001.8 ( 1.00x) vvc_sao_edge_32_8_avx2: 157.6 (19.04x) vvc_sao_edge_32_10_c: 3071.1 ( 1.00x) vvc_sao_edge_32_10_avx2: 404.2 ( 7.60x) vvc_sao_edge_32_12_c: 2698.6 ( 1.00x) vvc_sao_edge_32_12_avx2: 398.8 ( 6.77x) vvc_sao_edge_48_8_c: 6557.7 ( 1.00x) vvc_sao_edge_48_8_avx2: 380.1 (17.25x) vvc_sao_edge_48_10_c: 6319.9 ( 1.00x) vvc_sao_edge_48_10_avx2: 896.3 ( 7.05x) vvc_sao_edge_48_12_c: 6306.4 ( 1.00x) vvc_sao_edge_48_12_avx2: 885.5 ( 7.12x) vvc_sao_edge_64_8_c: 11510.7 ( 1.00x) vvc_sao_edge_64_8_avx2: 504.1 (22.84x) vvc_sao_edge_64_10_c: 10917.4 ( 1.00x) vvc_sao_edge_64_10_avx2: 1608.3 ( 6.79x) vvc_sao_edge_64_12_c: 11499.8 ( 1.00x) vvc_sao_edge_64_12_avx2: 1586.4 ( 7.25x) vvc_sao_edge_80_8_c: 18193.2 ( 1.00x) vvc_sao_edge_80_8_avx2: 930.2 (19.56x) vvc_sao_edge_80_10_c: 17984.3 ( 1.00x) vvc_sao_edge_80_10_avx2: 2420.9 ( 7.43x) vvc_sao_edge_80_12_c: 18289.4 ( 1.00x) vvc_sao_edge_80_12_avx2: 2412.1 ( 7.58x) vvc_sao_edge_96_8_c: 26361.8 ( 1.00x) vvc_sao_edge_96_8_avx2: 1118.4 (23.57x) vvc_sao_edge_96_10_c: 26162.2 ( 1.00x) vvc_sao_edge_96_10_avx2: 3666.9 ( 7.13x) vvc_sao_edge_96_12_c: 25926.6 ( 1.00x) vvc_sao_edge_96_12_avx2: 3433.9 ( 7.55x) vvc_sao_edge_112_8_c: 36562.9 ( 1.00x) vvc_sao_edge_112_8_avx2: 1741.0 (21.00x) vvc_sao_edge_112_10_c: 38126.4 ( 1.00x) vvc_sao_edge_112_10_avx2: 5153.3 ( 7.40x) vvc_sao_edge_112_12_c: 36345.7 ( 1.00x) vvc_sao_edge_112_12_avx2: 4684.9 ( 7.76x) vvc_sao_edge_128_8_c: 46379.8 ( 1.00x) vvc_sao_edge_128_8_avx2: 2012.4 (23.05x) vvc_sao_edge_128_10_c: 47029.5 ( 1.00x) vvc_sao_edge_128_10_avx2: 6162.2 ( 7.63x) vvc_sao_edge_128_12_c: 49647.3 ( 1.00x) vvc_sao_edge_128_12_avx2: 6127.1 ( 8.10x) Co-authored-by: Nuo Mi <nuomi2021@gmail.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.