IMFVideoDisplayControl::GetNativeVideoSize method

Gets the size and aspect ratio of the video, prior to any stretching by the video renderer.

Syntax


HRESULT GetNativeVideoSize(
  [in, out] SIZE *pszVideo,
  [in, out] SIZE *pszARVideo
);

Parameters

pszVideo [in, out]

Receives the size of the native video rectangle. This parameter can be NULL.

pszARVideo [in, out]

Receives the aspect ratio of the video. This parameter can be NULL.

Return value

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return codeDescription
S_OK

The method succeeded.

E_POINTER

At least one of the parameters must be non-NULL.

MF_E_SHUTDOWN

The video renderer has been shut down.

 

Remarks

If no media types have been set on any video streams, the method succeeds but all parameters are set to zero.

You can set pszVideo or pszARVideo to NULL, but not both.

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Evr.h

Library

Strmiids.lib

See also

IMFVideoDisplayControl
Enhanced Video Renderer
Using the Video Display Controls

 

 

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