MFCreateVideoMixerAndPresenter function
Creates the default video mixer and video presenter for the enhanced video renderer (EVR).
Syntax
HRESULT MFCreateVideoMixerAndPresenter( _In_ IUnknown *pMixerOwner, _In_ IUnknown *pPresenterOwner, _In_ REFIID riidMixer, _Out_ void **ppvVideoMixer, _In_ REFIID riidPresenter, _Out_ void **ppvVideoPresenter );
Parameters
- pMixerOwner [in]
-
Pointer to the owner of the video mixer. If the mixer is aggregated, pass a pointer to the aggregating object's IUnknown interface. Otherwise, set this parameter to NULL.
- pPresenterOwner [in]
-
Pointer to the owner of the video presenter. If the presenter is aggregated, pass a pointer to the aggregating object's IUnknown interface. Otherwise, set this parameter to NULL.
- riidMixer [in]
-
Interface identifier (IID) of the requested interface on the video mixer. The video mixer exposes the IMFTransform interface.
- ppvVideoMixer [out]
-
Receives a pointer to the requested interface on the video mixer. The caller must release the interface.
- riidPresenter [in]
-
IID of the requested interface on the video presenter. The video presenter exposes the IMFVideoPresenter interface.
- ppvVideoPresenter [out]
-
Receives a pointer to the requested interface on the video presenter. The caller must release the interface.
Return value
The function returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Return code | Description |
|---|---|
|
The method succeeded. |
Requirements
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Minimum supported client |
Windows Vista [desktop apps only] |
|---|---|
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Minimum supported server |
Windows Server 2008 [desktop apps only] |
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Header |
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Library |
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DLL |
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See also