Specifies the license acquisition URL for an encrypted Advanced Systems Format (ASF) file. This attribute corresponds to the License URL field of the Content Encryption Header, defined in the ASF specification.
Data Type
Wide character string
Remarks
This attribute applies to presentation descriptors for ASF content.
The IMFASFContentInfo::GeneratePresentationDescriptor method retrieves the License URL field, converts it into a wide-character string, and then populates a null-terminated array of WCHARs. The size of the array equals the License URL Length field of the Content Encryption Header.
Requirements
| Minimum supported client | Windows Vista |
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| Minimum supported server | Windows Server 2008 |
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| Header | Wmcontainer.h |
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See Also
- IMFAttributes::GetString
- IMFAttributes::SetString
- IMFPresentationDescriptor
- Presentation Descriptor Attributes
- ASF Header Object
- Presentation Descriptors
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Build date: 10/8/2009