Original commit message from CVS:
From a patch by: Michael Dominic K. <mdk at mdk dot org dot pl>
* ext/dv/gstdvdemux.c: (gst_dvdemux_class_init),
(gst_dvdemux_reset), (gst_dvdemux_src_convert),
(gst_dvdemux_send_event), (gst_dvdemux_flush), (gst_dvdemux_loop),
(gst_dvdemux_sink_activate_pull), (gst_dvdemux_change_state):
* ext/dv/gstdvdemux.h:
Seek in READY patch. Only works for pull based mode.
Fixes#323880