DirectX SDK

IDirectDrawVideoPort::UpdateVideo

The IDirectDrawVideoPort::UpdateVideo method updates parameters that govern the flow of video data from the video port to the DirectDrawSurface object.

HRESULT UpdateVideo(
  LPDDVIDEOPORTINFO lpVideoInfo  
);

Parameters

lpVideoInfo
Address of a DDVIDEOPORTINFO structure that describes the video transfer parameters.

Return Values

If the method succeeds, the return value is DD_OK.

If it fails, the method can return one of the following error values:

DDERR_INVALIDOBJECT
DDERR_INVALIDPARAMS

Requirements

  Windows NT/2000: Requires Windows 2000.
  Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
  Header: Declared in dvp.h.
  Import Library: Use ddraw.lib.

See Also

IDirectDrawVideoPort::SetTargetSurface, IDirectDrawVideoPort::StartVideo, IDirectDrawVideoPort::StopVideo