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VFW Capture Filter

 
Microsoft DirectShow 9.0

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_VideoInfo

Overlay: 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, IQualityControl

Overlay 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.

See Also