Partager via

IVMRAspectRatioControl::GetAspectRatioMode

  • Article
 
Microsoft DirectShow 9.0

IVMRAspectRatioControl::GetAspectRatioMode

The GetAspectRatioMode method queries whether the VMR will preserve the aspect ratio of the source video.

Syntax

  HRESULT GetAspectRatioMode(
  DWORD* lpAspectRatioMode
);

Parameters

lpAspectRatioMode

[out]  Pointer to a variable that receives a VMR_ASPECT_RATIO_MODE value indicating the aspect ratio mode.

Return Values

Returns an HRESULT value. Possible values include the following:

Value Description
E_POINTER NULL pointer argument
S_OK Success

Requirements

Header: Declared in Strmif.h; include Dshow.h.

Library: Use Strmiids.lib.

See Also