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yuv2nv12cX_2_512_accurate_c: 3540.1 ( 1.00x) yuv2nv12cX_2_512_accurate_neon: 408.0 ( 8.68x) yuv2nv12cX_2_512_approximate_c: 3521.4 ( 1.00x) yuv2nv12cX_2_512_approximate_neon: 409.2 ( 8.61x) yuv2nv12cX_4_512_accurate_c: 4740.0 ( 1.00x) yuv2nv12cX_4_512_accurate_neon: 604.4 ( 7.84x) yuv2nv12cX_4_512_approximate_c: 4681.9 ( 1.00x) yuv2nv12cX_4_512_approximate_neon: 603.3 ( 7.76x) yuv2nv12cX_8_512_accurate_c: 7273.1 ( 1.00x) yuv2nv12cX_8_512_accurate_neon: 1012.2 ( 7.19x) yuv2nv12cX_8_512_approximate_c: 7223.0 ( 1.00x) yuv2nv12cX_8_512_approximate_neon: 1015.8 ( 7.11x) yuv2nv12cX_16_512_accurate_c: 13762.0 ( 1.00x) yuv2nv12cX_16_512_accurate_neon: 1761.4 ( 7.81x) yuv2nv12cX_16_512_approximate_c: 13884.0 ( 1.00x) yuv2nv12cX_16_512_approximate_neon: 1766.8 ( 7.86x) Benchmarked on: Snapdragon(R) X Elite - X1E80100 - Qualcomm(R) Oryon(TM) CPU 3417 Mhz, 12 Core(s), 12 Logical Processor(s)
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.