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July 12, 2006

Compressor Bug

Please note, this blog has been archived and now lives at www.discretecosine.com

Just when I thought I wouldn't have anything to blog about, I find a bug in Compressor. Hoorah!

Step 1:
Make a cluster. Doesn't have to include other machines, but it has to be a real cluster, created in QAdministrator. Read the docs if you don't know how to get this far.

Step 2:
Submit a job to the cluster using the Compressor 2.1 "Video for iPod" preset.

Step 3:
Listen to the silence of your missing audio track!

Audio track is fine if you submit it to "This Computer" but disappears as soon as you submit it to a real cluster. Tested on an xServe, an iMac and a Macbook.


As a minor aside though, if you want to run jobs simultaneously in Compressor (which Apple says can't be done) take a look at the qmasterprefs command line program. Particularly this bit (using qmasterprefs -list):
-service "Compressor Processing" on instances 1 autorestart off unmanaged off

Changes the instances to whatever you want, rebuild your cluster and marvel at the simultaneous processing!

Posted by at July 12, 2006 2:37 PM | Misc