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Setting Movie Metadata Using QTKit

I am trying to convert old QuickTime code to Cocoa-based 64-bit QTKit on OS X, which means that I cannot go straight to direct calls to C functions. In particular, I am trying to find a way to record QuickTime VR videos using QTKit, since they require some special metadata to install the display controller. How to do it with QTKit?

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If you need to delve deeper into the C API, you can solve the 32-bit build restriction by moving the special QuickTime code to a separate 32-bit process. We do this on Windows and it works well ...

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As far as I can tell from the QTKit documentation, there is no way to do this in a direct QTKit cocoa call. You need to do this using the Quicktime-C API , which, of course, is not available for 64-bit applications.

I have encountered problems like this many times when trying to convert a 32-bit application using Quicktime to a 64-bit application. Here's hoping that Quicktime X will have a more full-featured QTKit API set.

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Source: https://habr.com/ru/post/1276711/

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