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RPi4: put_chroma_h_10_2x2_c: 63.4 ( 1.00x) put_chroma_h_10_4x4_c: 151.4 ( 1.00x) put_chroma_h_10_8x8_c: 555.1 ( 1.00x) put_chroma_h_10_8x8_neon: 113.9 ( 4.88x) put_chroma_h_10_16x16_c: 1068.5 ( 1.00x) put_chroma_h_10_16x16_neon: 439.4 ( 2.43x) put_chroma_h_10_32x32_c: 3432.6 ( 1.00x) put_chroma_h_10_32x32_neon: 1878.3 ( 1.83x) put_chroma_h_10_64x64_c: 12872.2 ( 1.00x) put_chroma_h_10_64x64_neon: 7868.2 ( 1.64x) put_chroma_h_10_128x128_c: 45612.2 ( 1.00x) put_chroma_h_10_128x128_neon: 28742.1 ( 1.59x) put_chroma_h_12_2x2_c: 63.7 ( 1.00x) put_chroma_h_12_4x4_c: 151.5 ( 1.00x) put_chroma_h_12_8x8_c: 555.2 ( 1.00x) put_chroma_h_12_8x8_neon: 114.2 ( 4.86x) put_chroma_h_12_16x16_c: 1068.1 ( 1.00x) put_chroma_h_12_16x16_neon: 438.8 ( 2.43x) put_chroma_h_12_32x32_c: 3419.7 ( 1.00x) put_chroma_h_12_32x32_neon: 1878.7 ( 1.82x) put_chroma_h_12_64x64_c: 12862.2 ( 1.00x) put_chroma_h_12_64x64_neon: 7868.2 ( 1.63x) put_chroma_h_12_128x128_c: 45613.5 ( 1.00x) put_chroma_h_12_128x128_neon: 28743.3 ( 1.59x) Apple M4: put_chroma_h_10_2x2_c: 2.5 ( 1.00x) put_chroma_h_10_4x4_c: 6.5 ( 1.00x) put_chroma_h_10_8x8_c: 17.8 ( 1.00x) put_chroma_h_10_8x8_neon: 6.8 ( 2.60x) put_chroma_h_10_16x16_c: 53.3 ( 1.00x) put_chroma_h_10_16x16_neon: 30.4 ( 1.75x) put_chroma_h_10_32x32_c: 181.8 ( 1.00x) put_chroma_h_10_32x32_neon: 116.2 ( 1.56x) put_chroma_h_10_64x64_c: 684.2 ( 1.00x) put_chroma_h_10_64x64_neon: 470.3 ( 1.45x) put_chroma_h_10_128x128_c: 2567.6 ( 1.00x) put_chroma_h_10_128x128_neon: 1879.3 ( 1.37x) put_chroma_h_12_2x2_c: 1.9 ( 1.00x) put_chroma_h_12_4x4_c: 7.0 ( 1.00x) put_chroma_h_12_8x8_c: 16.8 ( 1.00x) put_chroma_h_12_8x8_neon: 7.9 ( 2.12x) put_chroma_h_12_16x16_c: 55.0 ( 1.00x) put_chroma_h_12_16x16_neon: 29.0 ( 1.90x) put_chroma_h_12_32x32_c: 182.5 ( 1.00x) put_chroma_h_12_32x32_neon: 116.9 ( 1.56x) put_chroma_h_12_64x64_c: 666.8 ( 1.00x) put_chroma_h_12_64x64_neon: 474.5 ( 1.41x) put_chroma_h_12_128x128_c: 2588.1 ( 1.00x) put_chroma_h_12_128x128_neon: 1912.2 ( 1.35x)
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.