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This method retrieves the DMO's preferred optimizations.
HRESULT QueryOperationModePreferences(ULONGulOutputStreamIndex,DWORD* pdwRequestedCapabilities);
Parameters
- ulOutputStreamIndex
Zero-based index of an output stream on the DMO. - pdwRequestedCapabilities
Pointer to a variable that receives the DMO's requested optimizations. The returned value is a bitwise combination of zero or more flags from the DMO_VIDEO_OUTPUT_STREAM_FLAGS enumeration.
Return Values
Returns an HRESULT value. Possible values include the following.
| Value | Description |
|---|---|
| S_OK | Success |
| DMO_E_INVALIDSTREAMINDEX | Invalid stream index |
| E_POINTER | NULL pointer value |
Requirements
OS Versions: Windows CE .NET 4.1 and later.
Header: Dmo.h.
Link Library: Dmoguid.lib.
See Also
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