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QuickTime Metadata Functions

When you call the function QTMetaDataGetItemProperty and the type of the key whose value you are retrieving is code, the data returned is an OSType, not a buffer of four characters. (You can determine the key type by calling the function QTMetaDataGetItemPropertyInfo.) To ensure that your code runs properly on both PowerPC and Intel-based Macintosh computers, you must use a correctly-typed buffer so that the endian format of the data returned to you is correct. If you supply a buffer of the wrong type, for example a buffer of UInt8 instead of a buffer of OSType, the endian format of the data returned in the buffer will be wrong on Intel-based Macintosh Computers.

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