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You are here: Home » Tools » Elan » ELAN Forum » Switching between Cocoa/QT and QuickTime for Java on Mac OS X

Switching between Cocoa/QT and QuickTime for Java on Mac OS X

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Switching between Cocoa/QT and QuickTime for Java on Mac OS X

Posted by hasloe at 2009-04-07 15:29

On Mac OS the new Cocoa/Quicktime player is set as the default, with the QuickTime for Java player as an alternative. In case the Cocoa/QT player leads to crashes or other problems, this is how to switch to the QuickTime for Java player:

- in the Finder locate the ELAN install folder
- right-click the application, e.g. "ELAN 3.7.2", and select "Show Package Contents" from the menu
- a new window opens containing the folder Contents. In this folder there is a file Info.plist
- open Info.plist in e.g. TextEdit
- somewhere at the end of the file there is a line containing:

-DPreferredMediaFramework=CocoaQT

- change this line into

-DPreferredMediaFramework=QT

- save the file

A similar change can be made to the launch script, e.g. "ElanMac_3-7-2.sh", which is also in the ELAN install folder.

-Han

Re: Switching between Cocoa/QT and QuickTime for Java on Mac OS X

Posted by matty_x at 2009-06-29 22:39

I'm running into problems with the Cocoa/QT player. When playing multiple .mov videos simultaneously, sometimes no videos will display graphically (although I will hear the audio), other times only one video will not display and the others will be fine. In addition, and I'm not sure if this is related, when I make selections within my tiers, all sorts of graphical glitches appear. For instance, I'll make a selection and all of my annotations on all tiers will disappear until I either de-select or move the playhead. Or I will make a selection and all tiers will appear as solid black bars, with no annotations visible. I have also experienced all tiers appearing as solid black bars except for the selection area, with no annotations visible. Moving the playhead or de-selecting sometimes causes the glitches to go away, but they continue to return.

I attempted to change the entry in the info.plist file as described in the original thread. However, this does not appear to actually have the intended effect.

I change <string>-DPreferredMediaFramework=CocoaQT</string> to <string>-DPreferredMediaFramework=QT</string>

Then I run Elan 3.7.2. When I check the logs I see the following:

"INFO: External launch thread started...
Using Cocoa QT Media Player"

I'm on OS X 10.5.7, 2.66 GhZ MacBook Pro. Any help is appreciated!