No - creating the QT Movie must happen on the main thread - but after it's created, you can pass it off to secondary threads for processing…
Rob On Sep 1, 2011, at 1:13 PM, JongAm Park wrote: > Hmmm.. probably.. enterQTKitOnThread allows to create and initialize QTMovie > objects on threads? > > On Sep 1, 2011, at 9:33 AM, JongAm Park wrote: > >> Hello, >> >> I wrote codes to processing images on a second thread and the main thread >> displays and handles "progress dialog box". >> Because it is not possible to create a "UI thread" according to Cocoa >> framework, I had the main thread process the progress dialog box, while a >> second thread process images. >> >> However, a problem occurred when I decided to create QuickTime movie files >> with the processed images on the second thread. >> >> It turned out that QuickTime movie can't be created on a second thread, >> which is not a main thread. >> >> An uncaught exception was raised >> QTMovie_QuickTime class must be initialized on the main thread. >> *** Terminating app due to uncaught exception >> 'QTMovieInitializedOnWrongThread', reason: 'QTMovie_QuickTime class must be >> initialized on the main thread.' >> >> Then, is there any code pattern or example to handle progress dialog and >> time consuming tasks in a main thread without blocking user interaction? >> Or a solution doesn't need to be confined in that model. If it can utilize a >> second thread, it is better. >> >> Can anyone share his/her idea with me? >> >> Thank you. >> JongAm Park > > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/cocoa-dev/robmartin%40frontiernet.net > > This email sent to robmar...@frontiernet.net _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
