capYieldCallback

The capYieldCallback function is the yield callback function used with video capture. The capYieldCallback yield callback function is a placeholder for the application-supplied function name.

LRESULT CALLBACK capYieldCallback(
  HWND hWnd  
);
 

Parameters

hWnd

Handle of the capture window associated with the callback function.

Remarks

The capture window calls the yield callback function at least once for every captured video frame, but the exact rate depends on the frame rate and the overhead of the capture driver and disk.

QuickInfo

  Windows NT: Requires version 3.1 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Unsupported.
  Header: Declared in vfw.h.
  Import Library: User-defined.

See Also

Video Capture Overview, Video Capture Functions