Hello out there,
About me:
I am a newbie Mac OS / Cocoa developer. I have read the first chapters
of Hillegass' Cocoa Programming for Mac OS X, 2nd edition, and
successfully compiled some example programs. What I am trying now is
to add a Quicktime movie to my GUI, with the long term goal to apply
some processing to this video. Browsing through Apples documentation,
I got the impression that QTKit is the way such things are intended to
be done today. Please warn me if you think I am wrong on this.
What I try to do:
I am following the tutorial provided in the QuickTime Kit Programming
Guide, building the simple QTKitPlayer application (see http://developer.apple.com/documentation/QuickTime/Conceptual/QTKitProgrammingGuide/Chapter03/chapter_3_section_1.html)
. In part two of the tutorial, "Working With the QTKit Palette", they
show how to use InferfaceBuilder (IB) to drag a QTMovieView in the
document window and then, via the inspector, control its attributes:
editable or not, show or don't show the controller, select a movie
source, etc.
My problem is:
I tried this in Tiger (IB 2.5.6) and it works as advertised. However,
in Leopard (IB 3.0), it doesn't. Here, the QTMovieView is only a black
box, no controls show up, setting the movie source via the inspector
does not work (It let's me choose the movie, but the path does not
appear in the text field). Setting the "editable" checkbox also has no
effect; after deselecting and selecting the QTMovieView, the checkbox
becomes unselected again.
Do you have any idea what I am doing wrong? Or maybe you have
discovered this effect yourself? Any suggestions are welcome. I
searched this mailing list and also the QuickTime-API list, but could
not find any references to my problem.
Best regards,
Wolf
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