MathieuGirard

This seems strange. Also note that all surrounding IDs are for the VPP. Also MFX_EXTBUFF_VIDEO_SIGNAL_INFO does not match MFX_EXTBUFF_VPP_VIDEO_SIGNAL_INFO 's FOURCC so this is not just some implicit alias. See:...

Also it's annoying when interacting with a REST API, where undefined is used for optional fields. Forcing null forces a translation from and to both ways of doing (null in...