GStreamer auto loop source

import sys
import gi
gi.require_version('Gst', '1.0')
from gi.repository import Gst, GLib
Gst.init(None)

pipeline = Gst.parse_launch('uridecodebin uri=file://%s name=d d. ! autovideosink d. ! autoaudiosink' %sys.argv[1])
bus = pipeline.get_bus()
bus.add_signal_watch()

def on_segment_done(bus, msg):
    pipeline.seek(1.0,
        Gst.Format.TIME,
        Gst.SeekFlags.SEGMENT,
        Gst.SeekType.SET, 0,
        Gst.SeekType.NONE, 0)
    return True
bus.connect('message::segment-done', on_segment_done)

pipeline.set_state(Gst.State.PLAYING)
pipeline.get_state(Gst.CLOCK_TIME_NONE)
pipeline.seek(1.0,
    Gst.Format.TIME,
    Gst.SeekFlags.SEGMENT,
    Gst.SeekType.SET, 0,
    Gst.SeekType.NONE, 0)

GLib.MainLoop().run()