d3d12: Implement ROI Delta QP for H264, HEVC and AV1 Video Encode
What does this MR do and why?
Implements region of interest quality tweaking with Delta QP for H264, HEVC and AV1 in D3D12 Video Encode. Integrates with !26659 (merged) and works with frontend/va
where D3D12 drivers/hardware support.
cc @jenatali