[ecasound] Simple MIDI?

I keep getting "MIDI-to_audio stream does not support io_write, io_readwrite"

for stuff like
 
ecasound -i file.mid -o alsaseq,129:0 where the output is a fluidsynth input port,
and the input is rawmidi. Is there any magic syntax for this?

Thanks for any assistance.

-- 
************************************************************************
*   Dave Serls                                 Littleton, CO, USA      *
*   dashs.denver.co.us                         dashs.com               *
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