2 import gst, gtk, gobject
9 def __init__( self, parent ):
11 self.wTree = parent.wTree
13 self.playbin = gst.element_factory_make('playbin2')
15 self.sink = gst.element_factory_make('xvimagesink')
16 self.sink.set_property('force-aspect-ratio', True)
17 self.playbin.set_property('video-sink', self.sink)
19 self.bus = self.playbin.get_bus()
20 self.bus.add_signal_watch()
21 self.bus.connect("message::eos", self.on_finish)
23 self.drawingarea = self.wTree.get_widget('video')
24 self.drawingarea.connect('realize', self.on_video_realized)
26 self.spinner = self.wTree.get_widget('video_spin')
27 #self.spinner.connect('change-value', self.on_)
29 self.seeker = self.wTree.get_widget('video_seeker')
30 self.seeker.set_range(0, 100)
31 self.seeker.set_increments(1, 10)
32 self.seeker.connect('change-value', self.on_seeker_change)
34 self.label = self.wTree.get_widget('video_label')
36 self.is_playing = False
39 self.playbin.set_property('uri', uri)
40 self.playbin.set_state(gst.STATE_PLAYING)
41 self.label.label = 'f';
42 gobject.timeout_add(100, self.update_slider)
43 self.is_playing = True
45 def on_finish(self, bus, message):
46 self.playbin.set_state(gst.STATE_PAUSED);
47 self.slider.set_value(0);
49 def on_video_realized(self, sender):
50 self.sink.set_xwindow_id(self.drawingarea.window.xid)
53 def update_slider(self):
54 if not self.is_playing:
55 return False # cancel timeout
58 nanosecs, format = self.playbin.query_position(gst.FORMAT_TIME)
59 duration_nanosecs, format = self.playbin.query_duration(gst.FORMAT_TIME)
61 # block seek handler so we don't seek when we set_value()
62 self.seeker.handler_block_by_func(self.on_seeker_change)
64 self.seeker.set_range(0, float(duration_nanosecs) / gst.SECOND)
65 self.seeker.set_value(float(nanosecs) / gst.SECOND)
67 self.seeker.handler_unblock_by_func(self.on_seeker_change)
69 except gst.QueryError:
70 # pipeline must not be ready and does not know position
73 return True # continue calling every 30 milliseconds
76 def on_seeker_change(self, slider, a, b):
77 print 'on_seeker_change'
78 seek_time_secs = slider.get_value()
79 self.playbin.seek_simple(gst.FORMAT_TIME, gst.SEEK_FLAG_FLUSH | gst.SEEK_FLAG_KEY_UNIT, seek_time_secs * gst.SECOND)