MFCreatePresentationDescriptor function
Creates a presentation descriptor.
Syntax
HRESULT MFCreatePresentationDescriptor( DWORD cStreamDescriptors, IMFStreamDescriptor **apStreamDescriptors, IMFPresentationDescriptor **ppPresentationDescriptor );
Parameters
- cStreamDescriptors
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Number of elements in the apStreamDescriptors array.
- apStreamDescriptors
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Array of IMFStreamDescriptor interface pointers. Each pointer represents a stream descriptor for one stream in the presentation.
- ppPresentationDescriptor
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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.
Requirements
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Minimum supported client |
Windows Vista [desktop apps | Windows Store apps] |
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Minimum supported server |
Windows Server 2008 [desktop apps | Windows Store apps] |
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Minimum supported phone |
Windows Phone 8.1 |
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Header |
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Library |
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DLL |
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See also