The topic you requested is included in another documentation set. For convenience, it's displayed below. Choose Switch to see the topic in its original location.
Event Attributes
The following attributes apply to events.
| Attribute | Description |
|---|---|
| MF_EVENT_DO_THINNING | When a media source requests a new playback rate, specifies whether the source also requests thinning. |
| MF_EVENT_OUTPUT_NODE | Identifies the topology node for a stream sink. |
| MF_EVENT_PRESENTATION_TIME_OFFSET | Offset between the presentation time and the media source's time stamps. |
| MF_EVENT_SCRUBSAMPLE_TIME | Presentation time for a sample that was rendered while scrubbing. |
| MF_EVENT_SESSIONCAPS | Contains flags that define the capabilities of the Media Session, based on the current presentation. |
| MF_EVENT_SESSIONCAPS_DELTA | Contains flags that indicate which capabilities have changed in the Media Session, based on the current presentation. |
| MF_EVENT_SOURCE_ACTUAL_START | Contains the start time when a media source restarts from its current position. |
| MF_EVENT_SOURCE_CHARACTERISTICS | Specifies the current characteristics of the media source. |
| MF_EVENT_SOURCE_CHARACTERISTICS_OLD | Specifies the previous characteristics of the media source. |
| MF_EVENT_SOURCE_FAKE_START | Specifies whether the current segment topology is empty. |
| MF_EVENT_SOURCE_PROJECTSTART | Specifies the start time for a segment topology. |
| MF_EVENT_SOURCE_TOPOLOGY_CANCELED | Specifies whether the sequencer source canceled a topology. |
| MF_EVENT_START_PRESENTATION_TIME | The starting time for the presentation, in 100-nanosecond units, as measured by the presentation clock. |
| MF_EVENT_START_PRESENTATION_TIME_AT_OUTPUT | The presentation time at which the media sinks will render the first sample of the new topology. |
| MF_EVENT_TOPOLOGY_STATUS | Specifies the status of a topology during playback. |
| MF_SESSION_APPROX_EVENT_OCCURRENCE_TIME | The approximate time when the Media Session raised an event. |
Related topics
Show: