IMFPresentationDescriptor Interface
Describes the details of a presentation. A presentation is a set of related media streams that share a common presentation time.
Mitglieder
IMFPresentationDescriptorSchnittstelle erbt von IMFAttributes. IMFPresentationDescriptor umfasst auch die folgenden Typen von Mitgliedern:
- Methoden
Methoden
IMFPresentationDescriptorSchnittstelle umfasst die folgenden Methoden.
| Methode | Beschreibung |
|---|---|
| Clone | Creates a copy of this presentation descriptor. |
| DeselectStream | Deselects a stream in the presentation. |
| GetStreamDescriptorByIndex | Retrieves a stream descriptor for a specified stream in the presentation. |
| GetStreamDescriptorCount | Retrieves the number of stream descriptors in the presentation. |
| SelectStream | Selects a stream in the presentation. |
Hinweise
Presentation descriptors are used to configure media sources and some media sinks. To get the presentation descriptor from a media source, call IMFMediaSource::CreatePresentationDescriptor. To create a new presentation descriptor, call MFCreatePresentationDescriptor.
This interface is available on the following platforms if the Windows Media Format 11 SDK redistributable components are installed:
- Windows XP mit Service Pack 2 (SP2) und höher.
- Windows XP Media Center Edition 2005 with KB900325 (Windows XP Media Center Edition 2005) and KB925766 (Oktober 2006 Updaterollup für Windows XP Media Center Edition) installed.
Anforderungen
Mindestens unterstützter Client |
Windows Vista |
Mindestens unterstützter Server |
Windows Server 2008 |
Header |
Mfidl.h |
Bibliothek |
Mfuuid.lib |