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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

Siehe auch

Media Foundation Interfaces

Presentation Descriptor Attributes

Presentation Descriptors