+ <video href="https://www.youtube.com/watch?v=D1A0tNcPL4M"/>
+
+ <number id="delay" type="slider" arg="-delay %"
+ _label="Frame rate" _low-label="Low" _high-label="High"
+ low="0" high="100000" default="10000"
+ convert="invert"/>
+
+ <number id="timeout" type="slider" arg="-timeout %"