IVMRWindowlessControl::SetAspectRatioMode
| Microsoft DirectShow 9.0 |
IVMRWindowlessControl::SetAspectRatioMode
The SetAspectRatioMode method specifies whether the VMR will preserve the aspect ratio of the source video.
Syntax
HRESULT SetAspectRatioMode( DWORD AspectRatioMode );
Parameters
AspectRatioMode
[in] Specifies a member of the VMR_ASPECT_RATIO_MODE enumeration type.
Return Values
Returns an HRESULT value. Possible values include the following:
| Error Code | Description |
| E_INVALIDARG | Invalid argument |
| S_OK | Success |
| VFW_E_WRONG_STATE | The VMR is not in windowless mode. |
Requirements
Header: Declared in Strmif.h; include Dshow.h.
Library: Use Strmiids.lib.
See Also