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QTKit: Export settings as XML

Hello,

We're using QTKit in our Cocoa project and we need to save various QuickTime export settings into files to be reused later in batch exports without any GUI. QTMovie class has the following method:
-(BOOL)writeToFile:(NSString *)fileName withAttributes:(NSDictionary *)attributes

QTMovieExportSettings key can be passed to this method in attributes dict with QTAtomContainer (as NSData) as value.

My question is: is there any way to serialize & deserialize export settings (basically QTAtomContainer) as XML / plist in QTKit on Mac OS X? I'm aware of the possibility to get settings from Quicktime with MovieExportGetSettingsAsAtomContainer() function and then to dump the binary data into file, but I'm interested in human-readable settings format and not the binary dump.

I've found some example code from TN2120 ( http://developer.apple.com/ technotes/tn2006/tn2120.html ) where export settings are saved as XML, but the code is for Windows ActiveX component. Can this functionality really be Windows-only (perhaps as functionality of ActiveX support libraries), or is there equivalent methods on OS X as well? At least QTKit documentation doesn't mention it.

- Nikita

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