NtGdiDdCreateMoComp function

[This function is subject to change with each operating system revision. Instead, use the Microsoft DirectDraw and Microsoft Direct3DAPIs; these APIs insulate applications from such operating system changes, and hide many other difficulties involved in interacting directly with display drivers.]

Notifies the driver that a software decoder will start using motion compensation with the specified GUID.


  _In_    HANDLE               hDirectDraw,
  _Inout_ PDD_CREATEMOCOMPDATA puCreateMoCompData


hDirectDraw [in]

Handle to a previously created DirectDraw kernel-mode object for the device on which motion compensation is to be used.

puCreateMoCompData [in, out]

Pointer to a DD_CREATEMOCOMPDATA structure that contains the information required to begin using motion compensation.

Return value

NtGdiDdCreateMoComp returns one of the following callback codes.

Return codeDescription

The driver has performed the operation and returned a valid return code for that operation. If this code is DD_OK, DirectDraw or Direct3D proceeds with the function. Otherwise, DirectDraw or Direct3D returns the error code provided by the driver and aborts the function.


The driver has no comment on the requested operation. If the driver is required to have implemented a particular callback, DirectDraw or Direct3D reports an error condition. Otherwise, DirectDraw or Direct3D handles the operation as if the driver callback had not been defined by executing the DirectDraw or Direct3D device-independent implementation.



For more information, see the Microsoft DirectX Video Acceleration Driver Development Kit (DDK).


Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]



See also

Graphics Low Level Client Support