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MFCreateVideoPresenter callback function (evr.h)

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  • Tiempo de lectura: 2 minutos

Creates the default video presenter for the enhanced video renderer (EVR).

Syntax

MFCreateVideoPresenter Mfcreatevideopresenter;

EVRPUBLIC Mfcreatevideopresenter(
  [in] IUnknown *pOwner,
  [in] REFIID riidDevice,
  [in] REFIID riid,
       void **ppVideoPresenter
)
{...}

Parameters

[in] pOwner

Pointer to the owner of the object. If the object is aggregated, pass a pointer to the aggregating object's IUnknown interface. Otherwise, set this parameter to NULL.

[in] riidDevice

Interface identifier (IID) of the video device interface that will be used for processing the video. Currently the only supported value is IID_IDirect3DDevice9.

[in] riid

IID of the requested interface on the video presenter. The video presenter exposes the IMFVideoPresenter interface.

ppVideoPresenter

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
S_OK
 The method succeeded.

Requirements

   
Minimum supported client Windows Vista [desktop apps only]
Minimum supported server Windows Server 2008 [desktop apps only]
Target Platform Windows
Header evr.h

See also

Enhanced Video Renderer

Media Foundation Functions