+import os
+import gst, gtk, gobject
+import sys
+import pygtk
+import gtk
+import gtk.glade
+
+class mediaplayer(object):
+ def __init__( self ):
+ self.playbin = gst.element_factory_make('playbin2')
+
+ self.bus = self.playbin.get_bus()
+ self.bus.add_signal_watch()
+ self.bus.connect("message::eos", self.on_finish)
+
+ self.spinner.set_range(0, 100)
+ self.spinner.set_increments(1, 10)
+ self.spinner.connect('change-value', self.on_seeker_change)
+
+ self.seeker.set_range(0, 100)
+ self.seeker.set_increments(1, 10)
+ self.seeker.connect('change-value', self.on_seeker_change)
+ self.seeker.connect('button-press-event', self.on_button_press)
+ self.seeker.connect('button-release-event', self.on_button_release)
+
+ self.is_playing = False
+ self.known_range = False
+
+ def play(self, uri):
+ self.playbin.set_property('uri', uri)
+ self.playbin.set_state(gst.STATE_PLAYING)
+ self.label.label = 'f';
+ gobject.timeout_add(100, self.update_slider)
+ self.is_playing = True
+ self.known_range = False
+
+ def on_finish(self, bus, message):
+ self.playbin.set_state(gst.STATE_PAUSED);
+ self.spinner.set_value(0);
+ self.seeker.set_value(0);
+
+ def on_video_realized(self, sender):
+ self.sink.set_xwindow_id(self.drawingarea.window.xid)
+
+ def update_slider(self):
+ if not self.is_playing:
+ return False # cancel timeout
+
+ try:
+ if not self.known_range:
+ duration_nanosecs, format = self.playbin.query_duration(gst.FORMAT_TIME)
+ if duration_nanosecs > 0:
+ duration_secs = float(duration_nanosecs) / gst.SECOND
+ print duration_secs
+ self.seeker.set_range(0, duration_secs)
+ self.spinner.set_range(0, duration_secs)
+ self.known_range = True
+ print "Duration: %f" % (duration_secs)
+
+ nanosecs, format = self.playbin.query_position(gst.FORMAT_TIME)
+
+ # block seek handler so we don't seek when we set_value()
+ self.seeker.handler_block_by_func(self.on_seeker_change)
+ self.spinner.handler_block_by_func(self.on_seeker_change)
+
+ value = float(nanosecs) / gst.SECOND;
+
+ #print "Trigger: %f" % (value)
+
+ self.seeker.set_value(value)
+ self.spinner.set_text("%f" %(value))
+
+ self.seeker.handler_unblock_by_func(self.on_seeker_change)
+ self.spinner.handler_unblock_by_func(self.on_seeker_change)
+
+ except gst.QueryError:
+ # pipeline must not be ready and does not know position
+ pass
+
+ return True # continue calling every 30 milliseconds
+
+
+ def on_seeker_change(self, element, a, b):
+ print 'on_seeker_change'
+ seek_time_secs = element.get_value()
+ self.playbin.seek_simple(gst.FORMAT_TIME, gst.SEEK_FLAG_FLUSH | gst.SEEK_FLAG_KEY_UNIT, seek_time_secs * gst.SECOND)
+
+ def on_button_press(self, element, a):
+ self.playbin.set_state(gst.STATE_PAUSED);
+
+ def on_button_release(self, element, a):
+ self.playbin.set_state(gst.STATE_PLAYING)
+
+