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[The feature associated with this page, DirectShow, is a legacy feature. It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation. Those features have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer, IMFMediaEngine and Audio/Video Capture in Media Foundation instead of DirectShow, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]
The following table lists the globally unique identifiers (GUIDs) defined for media parameter time formats.
| GUID | Description |
|---|---|
|
Music time, in parts per quarter note. |
|
Reference time, in 100-nanosecond units. |
|
Samples per second. |
Requirements
| Requirement | Value |
|---|---|
| Header |
|