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
);
Parameter
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.
Rückgabewert
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Rückgabecode | Beschreibung |
|---|---|
| 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. |
Hinweise
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.
Anforderungen
Mindestens unterstützter Client |
Windows Vista |
Mindestens unterstützter Server |
Windows Server 2008 |
Header |
Evr.h |
Bibliothek |
Strmiids.lib |