[ecasound] problem with long command line parsing?

I have an interesting problem where if I use this line:
/opt/local/bin/ecasound -a:0
-i:resample,auto,playat,0,select,0,16,/Users/jayson/tmp/pymgen_tmp/OBvNu1/audio-0rWuTu.aac
-a:1
-i:resample,auto,playat,15,select,0,35,/Users/jayson/tmp/pymgen_tmp/1Fsxus/audio-jtyFWx.aac
-a:2
-i:resample,auto,playat,16,select,0,22,/Users/jayson/tmp/pymgen_tmp/sqNNM1/audio-jNyIrs.aac
-a:3
-i:resample,auto,playat,38,select,0,12,/Users/jayson/tmp/pymgen_tmp/5M5iqT/audio-IuKZkB.aac
-a:0,1,2,3 -o /Users/jayson/tmp/pymgen_tmp/GZC24e/audio-Et9gws.aac

I receive the following error:
ecasound: ERROR: [ECA-SESSION] : "Audio object '-o' does not match any
of the known audio device types or file formats. You can check the list
of supported audio object types by issuing the command 'aio-register' in
ecasound's interactive mode."

However, if I shorten the last bit (the -o output) to something like
'/Users/jayson/tmp/foo.aac' it works great.

I am looking at more verbose output but so far do not see anything.

-- 
Jason Galyon
Silver Screen Tele-Reality, Inc. 
http://www.sister.tv | http://www.videocarlot.tv
Phone: 972-855-3500 |  Fax: 413-778-2146
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