Usage
Applications can use AIV Extenders by calling UDFs in SQL statements or by calling the AIV Extender API. Calling UDFs is the preferred method of using AIV Extenders from remote clients because they do not require the AIV Extenders client to be installed locally. Applications linking to the API must have AIV Extenders server or client installed on the same machine.
AIV Extender UDFs
Many UDFs are available to extend SQL functionality for media data. AIV Extenders can be used to display and play video and audio clips. It also can use QBICs for searching images by content, and detecting a scene change in a video. Some UDFs are available for more than one media type. Some UDFs are available for all three. Table 17.1 lists some of the UDFs that ...
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