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MESequencerSourceTopologyUpdated event

Raised by the sequencer source when the IMFSequencerSource::UpdateTopology method completes asynchronously.

Event values

Possible values retrieved from IMFMediaEvent::GetValue include the following.

VARTYPEDescription

VT_UI4

Sequencer element identifier of the topology that is being updated. The application specifies this value in the dwId parameter of the UpdateTopology method.

Remarks

This event signals that the sequencer source has updated the topology, but does not mean that the topology is ready for playback. The application should wait for the MESessionTopologyStatus event.

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Mfobjects.h (include Mfidl.h)

See also

Media Foundation Events
Sequencer Source

 

 

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