[nemo@Jolla ~]$ gst-inspect droiddec
No such element or plugin 'droiddec'
[nemo@Jolla ~]$ gst-inspect-1.0 droiddec
bash: gst-inspect-1.0: command not found
[nemo@Jolla ~]$ rm ~/.cache/*gstreamer*
rm: cannot remove `/home/nemo/.cache/gstreamer-1.0': Is a directory
[nemo@Jolla ~]$