Microsoft DirectX 8.0

Media Parameter GUIDs

This article lists some of the globally unique identifiers (GUIDs) defined for Microsoft® DirectX® media parameters.

Time Format GUIDs

The following table lists GUIDs for the media parameter time formats.

GUIDDescription
GUID_TIME_REFERENCEReference time, in 100-nanosecond units.
GUID_TIME_MUSICMusic time, in parts per quarter note.
GUID_TIME_SAMPLESSamples per second.