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MF_PD_ASF_FILEPROPERTIES_PREROLL attribute

Specifies the amount of time, in milliseconds, to buffer data before playing an Advanced Systems Format (ASF) file.

Data type

UINT64

Remarks

This attribute applies to presentation descriptors for ASF content.

The IMFASFContentInfo::GeneratePresentationDescriptor method generates this attribute from the ASF metadata.

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Wmcontainer.h

See also

IMFAttributes::GetUINT64
IMFAttributes::SetUINT64
IMFPresentationDescriptor
Presentation Descriptor Attributes
ASF Header Object
Presentation Descriptors

 

 

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