COPP Commands
This section applies only to Windows Server 2003 SP1 and later, and Windows XP SP2 and later.
The video miniport driver can receive a request to perform an operation on the physical connector associated with the DirectX VA COPP device. The video miniport driver's COPPCommand function is passed a pointer to a DXVA_COPPCommand structure that specifies the operation to perform. The guidCommandID and CommandData members of DXVA_COPPCommand specify the operation. The following operations are supported: