IMFMetadataProvider::GetMFMetadata method
Gets a collection of metadata, either for an entire presentation, or for one stream in the presentation.
Syntax
HRESULT GetMFMetadata( [in] IMFPresentationDescriptor *pPresentationDescriptor, [in] DWORD dwStreamIdentifier, [in] DWORD dwFlags, [out] IMFMetadata **ppMFMetadata );
Parameters
- pPresentationDescriptor [in]
-
Pointer to the IMFPresentationDescriptor interface of the media source's presentation descriptor.
- dwStreamIdentifier [in]
-
If this parameter is zero, the method retrieves metadata that applies to the entire presentation. Otherwise, this parameter specifies a stream identifier, and the method retrieves metadata for that stream. To get the stream identifier for a stream, call IMFStreamDescriptor::GetStreamIdentifier.
- dwFlags [in]
-
Reserved. Must be zero.
- ppMFMetadata [out]
-
Receives a pointer to the IMFMetadata interface. Use this interface to access the metadata. The caller must release the interface.
Return value
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Return code | Description |
|---|---|
|
The method succeeded. |
|
No metadata is available for the requested stream or presentation. |
Requirements
|
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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Header |
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Library |
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See also