To create tunnel using ssh execute following command: ssh server -L local_port:remote_ip:remote_port -N
effect of this command is to create tunnel between localhost:local_port and remote_ip:remote_port going through server.
To discover which plugin is used for specific file run command similar to this: gst-launch -v filesrc location=filename_here ! decodebin ! autoaudiosink
that should give you (among other things) output lines similar to these:
...
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstTypeFindElement:typefind.GstPad:src: caps = application/x-id3
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstID3Demux:id3demux0.GstPad:sink: caps = application/x-id3
Pipeline is PREROLLING ...
Make cell's content formula (ie "=blah blah blah"); when you get value you need copy it to clipboard, then choose paste special instead of normal paste and uncheck pasting formulas.