| MEAudioSessionDeviceRemoved |
The audio device was removed. |
| MEAudioSessionDisconnected |
The audio session was disconnected from a Windows Terminal Services session |
| MEAudioSessionExclusiveModeOverride |
The audio session was preempted by an exclusive-mode connection. |
| MEAudioSessionFormatChanged |
The default audio format for the audio device changed. |
| MEAudioSessionGroupingParamChanged |
The grouping parameters changed for the audio session. |
| MEAudioSessionIconChanged |
The audio session icon changed. |
| MEAudioSessionNameChanged |
The audio session display name changed. |
| MEAudioSessionServerShutdown |
The Windows audio server system was shut down. |
| MEAudioSessionVolumeChanged |
The volume or mute state of the audio session changed |
| MEBufferingStarted |
A media source started to buffer data. |
| MEBufferingStopped |
A media source stopped buffering data. |
| MECaptureAudioSessionDeviceRemoved |
The device was removed. |
| MECaptureAudioSessionDisconnected |
The audio session is disconnected because the user logged off from a Windows Terminal Services (WTS) session. |
| MECaptureAudioSessionExclusiveModeOverride |
The user opened an audio stream in exclusive mode. |
| MECaptureAudioSessionFormatChanged |
The audio format changed. |
| MECaptureAudioSessionServerShutdown |
The audio session server shutdown. |
| MECaptureAudioSessionVolumeChanged |
The volume changed. |
| MEConnectEnd |
The network source finished opening a URL. |
| MEConnectStart |
The network source started opening a URL. |
| MEContentProtectionMessage |
The configuration changed for an output protection scheme. |
| MEEnablerCompleted |
A content enabler object's action is complete. |
| MEEnablerProgress |
Signals the progress of a content enabler object. |
| MEEndOfPresentation |
Raised by a media source when a presentation ends. |
| MEEndOfPresentationSegment |
Raised by the sequencer source when a segment is completed and is followed by another segment. |
| MEEndOfStream |
Raised by a media stream when the stream ends. |
| MEError |
Signals a serious error. |
| MEExtendedType |
Custom event type. |
| MEIndividualizationCompleted |
Individualization is complete. |
| MEIndividualizationStart |
Individualization is about to begin. |
| MELicenseAcquisitionCompleted |
License acquisition is complete. |
| MELicenseAcquisitionStart |
License acquisition is about to begin. |
| MEMediaSample |
Raised when a media stream delivers a new sample. |
| MENewPresentation |
Raised by a media source a new presentation is ready. |
| MENewStream |
Raised by a media source when it starts a new stream. |
| MENonFatalError |
A non-fatal error occurred during streaming. |
| MEPolicyChanged |
The output policy for a stream changed. |
| MEPolicyError |
Raised by a trusted output if an error occurs while enforcing the output policy. |
| MEPolicyReport |
Contains status information about the enforcement of an output policy. |
| MEPolicySet |
The IMFOutputTrustAuthority::SetPolicy method completed. |
| MEQualityNotify |
Provides feedback about playback quality to the quality manager. |
| MEReconnectEnd |
Raised by a media source at the end of a reconnection attempt. |
| MEReconnectStart |
Raised by a media source at the start of a reconnection attempt. |
| MERendererEvent |
Raised by the enhanced video renderer (EVR) when it receives a user event from the presenter. |
| MESequencerSourceTopologyUpdated |
Raised by the sequencer source when the IMFSequencerSource::UpdateTopology method completes asynchronously. |
| MESessionCapabilitiesChanged |
Raised by the Media Session when the session capabilities change. |
| MESessionClosed |
Raised when the IMFMediaSession::Close method completes asynchronously. |
| MESessionEnded |
Raised by the Media Session when it has finished playing the last presentation in the playback queue. |
| MESessionNotifyPresentationTime |
Raised by the Media Session when a new presentation starts. |
| MESessionPaused |
Raised when the IMFMediaSession::Pause method completes asynchronously. |
| MESessionRateChanged |
Raised by the Media Session when the playback rate changes. |
| MESessionScrubSampleComplete |
Raised by the Media Session when it completes a scrubbing request. |
| MESessionStarted |
Raised when the IMFMediaSession::Start method completes asynchronously. |
| MESessionStopped |
Raised when the IMFMediaSession::Stop method completes asynchronously. |
| MESessionStreamSinkFormatChanged |
Raised by the Media Session when the format changes on a media sink. |
| MESessionTopologiesCleared |
Raised by the Media Session when the IMFMediaSession::ClearTopologies method completes asynchronously. |
| MESessionTopologySet |
Raised after the IMFMediaSession::SetTopology method completes asynchronously |
| MESessionTopologyStatus |
Raised by the Media Session when the status of a topology changes. |
| MESinkInvalidated |
Raised when a media sink becomes invalid. |
| MESourceCharacteristicsChanged |
Raised by a media source when the source's characteristics change. |
| MESourceMetadataChanged |
Raised by a media source when it updates its metadata. |
| MESourcePaused |
Raised by a media source when the IMFMediaSource::Pause method completes asynchronously. |
| MESourceRateChanged |
Raised by a media source when the playback rate changes. |
| MESourceRateChangeRequested |
Raised by a media source to request a new playback rate. |
| MESourceSeeked |
Raised when a media source seeks to a new position. |
| MESourceStarted |
Raised when a media source starts without seeking. |
| MESourceStopped |
Raised by a media source when the IMFMediaSource::Stop method completes asynchronously. |
| MEStreamFormatChanged |
Raised by a media stream when the media type of the stream changes. |
| MEStreamPaused |
Raised by a media stream when the IMFMediaSource::Pause method completes asynchronously. |
| MEStreamSeeked |
Raised by a media stream after a call to IMFMediaSource::Start causes a seek in the stream. |
| MEStreamSinkDeviceChanged |
Raised by the stream sinks of the EVR if the video device changes. |
| MEStreamSinkFormatChanged |
Raised by a stream sink when the sink's media type is no longer valid. |
| MEStreamSinkMarker |
Raised by a stream sink after the IMFStreamSink::PlaceMarker method is called. |
| MEStreamSinkPaused |
Raised by a stream sink when it completes the transition to the paused state. |
| MEStreamSinkPrerolled |
Raised by a stream sink when the stream has received enough preroll data to begin rendering. |
| MEStreamSinkRateChanged |
Raised by a stream sink when the rate has changed. |
| MEStreamSinkRequestSample |
Raised by a stream sink to request a new media sample from the pipeline. |
| MEStreamSinkScrubSampleComplete |
Raised by a stream sink when it completes a scrubbing request. |
| MEStreamSinkStarted |
Raised by a stream sink when it completes the transition to the running state. |
| MEStreamSinkStopped |
Raised by a stream sink when it completes the transition to the stopped state. |
| MEStreamStarted |
Raised by a media stream when the source starts without seeking. |
| MEStreamStopped |
Raised by a media stream when the IMFMediaSource::Stop method completes asynchronously. |
| MEStreamThinMode |
Raised by a media stream when it starts or stops thinning the stream. |
| MEStreamTick |
Signals that a media stream does not have data available at a specified time. |
| METransformDrainComplete |
Sent by an asynchronous Media Foundation transform (MFT) when a drain operation is complete. |
| METransformHaveOutput |
Sent by an asynchronous MFT when new output data is available from the MFT. |
| METransformMarker |
Sent by an asynchronous MFT in response to an MFT_MESSAGE_COMMAND_MARKER message. |
| METransformNeedInput |
Sent by an asynchronous MFT to request a new input sample. |
| MEUnknown |
Unknown event type. |
| MEUpdatedStream |
Raised by a media source when it restarts or seeks a stream that is already active. |
| MEVideoCaptureDevicePreempted |
The device has been preempted. |
| MEVideoCaptureDeviceRemoved |
The device has been removed. |