DTV_INTERLEAVING is currently used only for DTBM. This is congruent with the v4l dvb API where the different interleaving modes where added for v5.7
Gstreamer DVB Source GstDvbSrc makes it possible to view Digital TV with gstreamer. Try: gst-launch dvbsrc frequency=11954 polarity=h symbol-rate=27500 pids=210:220 ! mpegtsdemux es-pids=210:220 name=demux ! queue ! mpeg2dec ! xvimagesink demux. ! queue ! mad ! audioconvert ! autoaudiosink to view the German 3Sat telestation from the Astra 1 19.2E satellite. DVB-C is untested, feedback is welcomed. gstdvbtv is not yet ported to 0.10