> Ok, but I am porting the slightly old floating point version.

Unless your system has a floating point unit, this will not work.  If your system has a floating point unit, you should be using ffmpeg.  

                                               
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The New Busy think 9 to 5 is a cute idea. Combine multiple calendars with Hotmail.
http://www.windowslive.com/campaign/thenewbusy?tile=multicalendar&ocid=PID28326::T:WLMTAGL:ON:WL:en-US:WM_HMP:042010_5
Received on 2010-05-19