Click browse, choose your file, click calculate to calculate resolution.
You have 2 options, to make a bat file and not execute it, for your own
purposes, and just a plain convert button which makes the batch file and
then executes it.
The encoded pmp file will appear in the same directory as the original
video file when everything is finished (when the dos windows disappears).
During the process the original gui does not need to be open at all.
You can set video bitrate to whatever you want and compatible audio
bitrates are in the drop down box.
The resolution and other settings can also be set in the batch file, you
just need to be able to deduce which setting is which (not too hard at all)