NDI supports metadata through a flexible, extensible XML-based format. This allows for the inclusion of diverse metadata types without requiring rigid parsing rules.
The SDK documentation specifies that metadata should be UTF-8 XML data.
For your reference:
UTF-8 XML Format:
Example:
<ndi_metadata type=”midi” version=”1.0.0″>
<data>0123456789abcdef</data>
</ndi_metadata>
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