20f2941191
When process yuv420 frames, FFmpeg uses same alignment on Y/U/V planes. VPL and MSDK use Y plane's pitch / 2 as U/V planes's pitch, which makes U/V planes 16-bytes aligned. We need to set a separate alignment to meet runtime's behaviour. Now alignment is changed to 16 so that the linesizes of U/V planes meet the requirment of VPL/MSDK. Add get_buffer.video callback to qsv filters to change the default get_buffer behaviour. Now the commandline works fine: ffmpeg -f rawvideo -pix_fmt yuv420p -s:v 3082x1884 \ -i ./3082x1884.yuv -vf 'vpp_qsv=w=2466:h=1508' -f rawvideo \ -pix_fmt yuv420p 2466_1508.yuv Signed-off-by: Wenbin Chen <wenbin.chen@intel.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 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.