What does HRESULT 0xC00DA02C (MF_E_QM_INVALIDSTATE) mean?

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The Media Foundation Quality Manager is not in a state that accepts this quality operation.

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MF_E_QUALITYKNOB_WAIT_LONGER	MF_E_TRANSCODE_NO_CONTAINERTYPE

MF_E_QM_INVALIDSTATE

MF_E_QM_INVALIDSTATE reports a Quality Manager state problem: quality management is off at the time of the requested operation. The failure belongs to Quality Manager lifecycle and topology state rather than to the syntax of a media sample.

Correlate the operation with topology and shutdown notifications

Log the Media Session state and the Quality Manager callback or control path that produced the HRESULT.
For a custom IMFQualityManager, trace NotifyTopology, NotifyPresentationClock, quality events, and Shutdown in order.
Remember that NotifyTopology(NULL) is the signal to release references to the previous topology. Do not continue issuing adjustments through stale IMFQualityAdvise pointers.

A typical quality manager enumerates the current topology during NotifyTopology and obtains IMFQualityAdvise from adjustable pipeline objects. Media Foundation also allows an application to replace the default playback-tuned quality manager with a custom implementation. When this HRESULT occurs, first prove that the quality operation belongs to the currently active topology and lifecycle phase; changing decoder settings will not re-enable a Quality Manager that is currently off.

Microsoft: IMFQualityManager · Microsoft: IMFQualityManager::NotifyTopology · Microsoft: IMFQualityAdvise

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