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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 InterfacesIPersistPropertyBag, IAMVfwCaptureDialogs, IAMFilterMiscFlags, IBaseFilter, ISpecifyPropertyPages, IOverlayNotify
Input Pin Media TypesNot applicable.
Input Pin InterfacesNot 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 CLSIDCLSID_VfwCapture
Property Page CLSIDCLSID_CaptureProperties
Executableqcap.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.

Related topics

DirectShow Filters
Video Capture

 

 

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