get audio track layout of QuickTime movie
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Published on 2010-06-03T04:44:42Z
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2010/06/03
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objective-c
|quicktime
I need to determine how many channels a sound track has in a QuickTime movie. I can get to the track, then I am stuck. I wonder if the answer would be in a QTFormatDescription, but I can't figure out how to get one for the track. I am using Objective-C on Mac OS 10.6.
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