Add a filter to a DirectShow Graph using its CLSID

Parameters

graphBuilder

the IGraphBuilder interface of the graph

clsid

a valid CLSID. This object must implement IBaseFilter

name

the name used in the graph (may be null)

Return Value

an instance of the filter if the method successfully created it, null if not

Remarks

You can use IsThisComObjectInstalled to check is the CLSID is valid before calling this method

Exceptions

Example

This sample shows how to programmatically add a NVIDIA Video decoder filter to a graph

Guid nvidiaVideoDecClsid = new Guid("71E4616A-DB5E-452B-8CA5-71D9CC7805E9");

if (FilterGraphTools.IsThisComObjectInstalled(nvidiaVideoDecClsid))
{
  filter = FilterGraphTools.AddFilterFromClsid(graphBuilder, nvidiaVideoDecClsid, "NVIDIA Video Decoder");
}
else
{
  // use another filter...
}

See Also

FilterGraphTools Class | DirectShowLib.Utils Namespace | IsThisComObjectInstalled