Merge lp:~simonvermeersch/python-snippets/gstreamer-video into lp:~jonobacon/python-snippets/trunk

[Simon Vermeersch]

Snippet that shows how to play a video with gstreamer

[lp:~simonvermeersch/python-snippets/gstreamer-video]

37. By Jono Bacon <jono@forge> on 2010-03-05

Merged in a bunch of awesome changes from RainCT.

38. By Jono Bacon <jono@forge> on 2010-03-05

Drag and open snippet, thanks Rich!

39. By Jono Bacon <jono@forge> on 2010-03-05

Gstreamer video playback snippet, thanks, Simon!

=== added file 'gstreamer/video.py'
--- gstreamer/video.py	1970-01-01 00:00:00 +0000
+++ gstreamer/video.py	2010-03-05 17:59:18 +0000
@@ -0,0 +1,49 @@
+
+# [SNIPPET_NAME: Gstreamer video]
+# [SNIPPET_CATEGORIES: GStreamer, PyGTK]
+# [SNIPPET_DESCRIPTION: Plays a video inside a window ]
+# [SNIPPET_AUTHOR: Simon Vermeersch <[e-mail]>]
+# [SNIPPET_LICENSE: GPL]
+#
+import os
+import gst, gtk, gobject
+
+class VideoPlayer:
+    def __init__(self):
+        self.window = gtk.Window()
+        self.window.connect('destroy', self.on_destroy)
+
+        self.drawingarea = gtk.DrawingArea()
+        self.drawingarea.connect('realize', self.on_drawingarea_realized)
+        self.window.add(self.drawingarea)
+
+        self.playbin = gst.element_factory_make('playbin2')
+        self.playbin.set_property('uri', 'file:///usr/share/example-content/Ubuntu_Free_Culture_Showcase/water-and-wind.ogv')
+
+        self.sink = gst.element_factory_make('xvimagesink')
+        self.sink.set_property('force-aspect-ratio', True)
+        self.playbin.set_property('video-sink', self.sink)
+
+        self.bus = self.playbin.get_bus()
+        self.bus.add_signal_watch()
+        self.bus.connect("message::eos", self.on_finish)
+
+        self.window.show_all()
+        
+        self.playbin.set_state(gst.STATE_PLAYING)
+
+    def on_finish(self, bus, message):
+        self.playbin.set_state(gst.STATE_PAUSED)
+
+    def on_destroy(self, window):
+        self.playbin.set_state(gst.STATE_NULL)
+        gtk.main_quit()
+
+    def on_drawingarea_realized(self, sender):
+        self.sink.set_xwindow_id(self.drawingarea.window.xid)
+
+
+if __name__ == "__main__":
+    VideoPlayer()
+    gtk.main()
+