Re: [Pyobjc-dev] import QTKit -> NSRecursiveLock errors

[Daniel A. <an...@cc...>]

Does anybody have an idea on how I can deal with this? I got around  
the issue back in April but now am wanting to subclass a QTMovieView.

Thanks,

dan

On Apr 27, 2009, at 12:25p, Daniel Ashbrook wrote:

> I think I remember there being some discussion of this a while back,  
> but couldn't find it.
>
> Try this:
> 1) Make a new Python Cocoa app in Xcode
> 2) In the application delegate, insert the line "import QTKit"
> 3) Run it
>
> I get:
>
> _RegisterApplication(), FAILED TO establish the default connection  
> to the WindowServer, _CGSDefaultConnection() is NULL.
> 2009-04-27 12:22:41.794 QTVideoTest2[79402:10b] *** - 
> [NSRecursiveLock unlock]: lock (<NSRecursiveLock: 0x1c57730>  
> '(null)') unlocked when not locked
> 2009-04-27 12:22:41.796 QTVideoTest2[79402:10b] *** Break on  
> _NSLockError() to debug.
> 2009-04-27 12:22:41.796 QTVideoTest2[79402:10b] *** - 
> [NSRecursiveLock unlock]: lock (<NSRecursiveLock: 0x1c57730>  
> '(null)') unlocked when not locked
> 2009-04-27 12:22:41.797 QTVideoTest2[79402:10b] *** Break on  
> _NSLockError() to debug.
> 2009-04-27 12:22:41.801 QTVideoTest2[79402:10b] *** - 
> [NSRecursiveLock unlock]: lock (<NSRecursiveLock: 0x1c57730>  
> '(null)') unlocked when not locked
> 2009-04-27 12:22:41.801 QTVideoTest2[79402:10b] *** Break on  
> _NSLockError() to debug.
> 2009-04-27 12:22:41.804 QTVideoTest2[79402:10b]  
> NSInternalInconsistencyException - Error (1002) creating CGSWindow
> 2009-04-27 12:22:41.811 QTVideoTest2[79402:10b] *** - 
> [NSRecursiveLock unlock]: lock (<NSRecursiveLock: 0x1c57730>  
> '(null)') unlocked when not locked
> 2009-04-27 12:22:41.812 QTVideoTest2[79402:10b] *** Break on  
> _NSLockError() to debug.
> 2009-04-27 12:22:41.812 QTVideoTest2[79402:10b] *** - 
> [NSRecursiveLock unlock]: lock (<NSRecursiveLock: 0x1c57730>  
> '(null)') unlocked when not locked
> 2009-04-27 12:22:41.812 QTVideoTest2[79402:10b] *** Break on  
> _NSLockError() to debug.
> 2009-04-27 12:22:41.813 QTVideoTest2[79402:10b] *** - 
> [NSRecursiveLock unlock]: lock (<NSRecursiveLock: 0x1c57730>  
> '(null)') unlocked when not locked
> 2009-04-27 12:22:41.813 QTVideoTest2[79402:10b] *** Break on  
> _NSLockError() to debug.
> 2009-04-27 12:22:41.814 QTVideoTest2[79402:10b] *** - 
> [NSRecursiveLock unlock]: lock (<NSRecursiveLock: 0x1c57730>  
> '(null)') unlocked when not locked
> 2009-04-27 12:22:41.815 QTVideoTest2[79402:10b] *** Break on  
> _NSLockError() to debug.
>
> This is particularly frustrating as, in my real project, I am trying  
> to make a subclass of QTKit.QTCaptureView; however, I can't, as  
> importing yields the above errors.
>
>
> dan