This format is used for video output with a depth of 10 bits per channel. Decoding at 10-bit quality is not currently supported, but this patch makes video playable.
-- v4: mfmediaengine: Support video output in format R10G10B10A2. mfmediaengine: Rename media_engine_transfer_to_d3d11_texture() helper function. mfmediaengine/tests: Test output to format R10G10B10A2 from H.264.