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846c3d6aca
Exit as soon as possible if no filtering will be done. Improves the checkasm --bench cycle count on a Snapdragon 820e: h264_h_loop_filter_luma_8bpp_c: 72.4 -> 72.5 h264_h_loop_filter_luma_8bpp_neon: 97.1 -> 56.3 h264_v_loop_filter_luma_8bpp_c: 174.0 -> 173.5 h264_v_loop_filter_luma_8bpp_neon: 62.9 -> 60.9 h264_h_loop_filter_chroma_8bpp_c: 30.2 -> 30.3 h264_h_loop_filter_chroma_8bpp_neon: 51.6 -> 25.7 h264_v_loop_filter_chroma_8bpp_c: 57.3 -> 57.3 h264_v_loop_filter_chroma_8bpp_neon: 28.0 -> 24.0
Libav
Libav 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.libavresampleimplements audio mixing and resampling routines.libswscaleimplements color conversion and scaling routines.
Tools
- avconv is a command line toolbox to manipulate, convert and stream multimedia content.
- avplay is a minimalistic multimedia player.
- avprobe 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
Conding examples are available in the doc/example directory.
License
Libav codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.