IDMOVideoOutputOptimizations::QueryOperationModePreferences
A version of this page is also available for
4/8/2010
This method retrieves the DMO's preferred optimizations.
Syntax
HRESULT QueryOperationModePreferences(
ULONG ulOutputStreamIndex,
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 Value
Returns an HRESULT value. Possible values include the following.
| Value | Description |
|---|---|
S_OK |
Success |
Invalid stream index |
|
E_POINTER |
NULL pointer value |
Requirements
| Header | dmo.h |
| Library | Dmoguid.lib |
| Windows Embedded CE | Windows CE .NET 4.1 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |