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MFCreatePresentationDescriptor
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MFCreatePresentationDescriptor function

Creates a presentation descriptor.

Syntax


HRESULT MFCreatePresentationDescriptor(
   DWORD                     cStreamDescriptors,
   IMFStreamDescriptor       **apStreamDescriptors,
   IMFPresentationDescriptor **ppPresentationDescriptor
);

Parameters

cStreamDescriptors

Number of elements in the apStreamDescriptors array.

apStreamDescriptors

Array of IMFStreamDescriptor interface pointers. Each pointer represents a stream descriptor for one stream in the presentation.

ppPresentationDescriptor

Receives a pointer to an IMFPresentationDescriptor interface of the presentation descriptor. The caller must release the interface.

Return value

If this function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

If you are writing a custom media source, you can use this function to create the source presentation descriptor. The presentation descriptor is created with no streams selected. Generally, a media source should select at least one stream by default. To select a stream, call IMFPresentationDescriptor::SelectStream.

This function is available on the following platforms if the Windows Media Format 11 SDK redistributable components are installed:

  • Windows XP with Service Pack 2 (SP2) and later.
  • Windows XP Media Center Edition 2005 with KB900325 (Windows XP Media Center Edition 2005) and KB925766 (October 2006 Update Rollup for Windows XP Media Center Edition) installed.

Windows Phone 8.1: This API is supported.

Requirements

Minimum supported client

Windows Vista [desktop apps | Windows Store apps]

Minimum supported server

Windows Server 2008 [desktop apps | Windows Store apps]

Header

Mfidl.h

Library

Mfplat.lib

DLL

Mfplat.dll

See also

Media Foundation Functions
Presentation Descriptors

 

 

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