fa3eccb4f9
Original x86 intrinsics code and initial 8bit yasm port by Pierre-Edouard Lepere. 10/12bit yasm ports, refactoring and optimizations by James Almer Benchmarks of BQTerrace_1920x1080_60_qp22.bin with an Intel Core i5-4200U width 32 40338 decicycles in sao_band_filter_0_8, 2048 runs, 0 skips 8056 decicycles in ff_hevc_sao_band_filter_8_32_sse2, 2048 runs, 0 skips 7458 decicycles in ff_hevc_sao_band_filter_8_32_avx, 2048 runs, 0 skips 4504 decicycles in ff_hevc_sao_band_filter_8_32_avx2, 2048 runs, 0 skips width 64 136046 decicycles in sao_band_filter_0_8, 16384 runs, 0 skips 28576 decicycles in ff_hevc_sao_band_filter_8_32_sse2, 16384 runs, 0 skips 26707 decicycles in ff_hevc_sao_band_filter_8_32_avx, 16384 runs, 0 skips 14387 decicycles in ff_hevc_sao_band_filter_8_32_avx2, 16384 runs, 0 skips Reviewed-by: Christophe Gisquet <christophe.gisquet@gmail.com> Signed-off-by: James Almer <jamrial@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 a mean to alter decoded Audio and Video through chain of 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 analisys 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.