http://dash-test.intertrust.com/DASH-dynamic/gst-test/dynamic-single-timeline-encrypted-endtime2.mpd.period.14
urn:marlin:kid:b366360da82e9c6e0b0984002a362c03
urn:marlin:kid:b366360da82e9c6e0b0984002a362c03
urn:marlin:kid:b366360da82e9c6e0b0984002a362c03