gst-register is a tool that is used to register all the GStreamer plugins on your system. It creates a listing of their properties such that on startup of GStreamer based application do not need to load plugins until they need them.

--help

Print help synopsis and available FLAGS

--gst-info-mask=FLAGS

GStreamer info flags to set (list with --help)

--gst-debug-mask=FLAGS

GStreamer debugging flags to set (list with --help)

--gst-mask=FLAGS

GStreamer info and debugging flags to set (list with --help)

--gst-plugin-spew

GStreamer info flags to set Enable printout of errors while loading GStreamer plugins

--gst-plugin-path=PATH

Add directories separated with ':' to the plugin search path