Called when the Media Session is about to start playing a new topology.
HRESULT NotifyTopology( IMFTopology *pTopology );
Pointer to the IMFTopology interface of the new topology. If this parameter is NULL, the quality manager should release any references to the previous topology.
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
||The method succeeded.|
In a typical quality manager this method does the following:
- Enumerates the nodes in the topology.
- Calls IMFTopologyNode::GetObject to get the node's underlying object.
- Queries for the IMFQualityAdvise interface.
|Minimum supported client||Windows Vista [desktop apps only]|
|Minimum supported server||Windows Server 2008 [desktop apps only]|