Merge remote-tracking branch 'upstream/master' into master-build

* upstream/master:
  qsv: adding LowPower support for AVC and HEVC encode on the appropriate HW generations
2 jobs for master-build in 68 minutes and 11 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Build
passed #214956440
linux
build_windows

01:00:15

 
  Build Gui
passed #214956441
windows msbuild
build_windows_gui

00:07:55