042c1159fc
Original x86 intrinsics code and initial yasm port by Pierre-Edouard Lepere. Refactoring and optimizations by James Almer. Benchmarks of BQTerrace_1920x1080_60_qp22.bin with an Intel Core i5-4200U Width 32 158583 decicycles in edge, sao_edge_filter_8 runs, 0 skips 5205 decicycles in ff_hevc_sao_edge_filter_32_8_ssse3, 32767 runs, 1 skips 2942 decicycles in ff_hevc_sao_edge_filter_32_8_avx2, 32767 runs, 1 skips Width 64 705639 decicycles in sao_edge_filter_8, 262144 runs, 0 skips 19224 decicycles in ff_hevc_sao_edge_filter_64_8_ssse3, 262111 runs, 33 skips 10433 decicycles in ff_hevc_sao_edge_filter_64_8_avx2, 262115 runs, 29 skips 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.