VFW Capture Filter

This filter works with older video capture hardware that uses Video For Windows.

This filter has two output pins. One is called Capture, and the other is called either Preview or Overlay.

Filter Interfaces IPersistPropertyBag, IAMVfwCaptureDialogs, IAMFilterMiscFlags, IBaseFilter, ISpecifyPropertyPages, IOverlayNotify
Input Pin Media Types Not applicable.
Input Pin Interfaces Not applicable.
Output Pin Media Types Capture: MEDIATYPE_Video, MEDIASUBTYPE_NULL, FORMAT_VideoInfoOverlay: MEDIATYPE_Video, MEDIASUBTYPE_Overlay, FORMAT_VideoInfo
Preview: MEDIATYPE_Video, MEDIASUBTYPE_NULL, FORMAT_VideoInfo
Output Pin Interfaces Capture Pin: IAMBufferNegotiation, IAMDroppedFrames, IAMPushSource, IAMStreamConfig, IAMStreamControl, IAMVideoCompression, IKsPropertySet, IPin, IQualityControlOverlay Pin: IAMStreamControl, IKsPropertySet, IPin, IQualityControl
Preview Pin: IAMPushSource, IAMStreamControl, IKsPropertySet, IPin, IQualityControl
Filter CLSID CLSID_VfwCapture
Property Page CLSID CLSID_CaptureProperties
Executable qcap.dll
Merit MERIT_DO_NOT_USE
Filter Category CLSID_VideoInputDeviceCategory

 

Remarks

Although the capture pin exposes the IAMStreamConfig interface, only the SetFormat and GetFormat methods are implemented for this interface.

DirectShow Filters

Video Capture