8.22

• Support Windows named pipes.
• Improve precision of --vpp-kfm.
• Optimize OpenCL interop batch acquire/release and zero-copy cache of --vpp-degrain.
• Fix bob deinterlace stopping with mixed RFF.
• Fix various issues on vpp filtering. (thanks @teaching-droid!).
  • Normalize temporal difference width in --vpp-yadif.
  • Fix temporal field reference in --vpp-bwdif.
  • Fix threshold scale in --vpp-msharpen and --vpp-msmooth.
  • Compare all blocks and planes in --vpp-mpdecimate.
  • Fix --dynamic-rc cqp=... parsing.
  • Fix other potential issues.