Reading the error message…
Unable to handle format: mpeglayer3, 44100.0 Hz, 16-bit, Stereo, LittleEndian, Signed, 6000.0 frame rate, FrameSize=32768 bits
Your video fromat is wrong.
what video formats are supported by JMF.ps
Well, let’s try looking it up.
The first link takes us to a table of supported formats.