Replaces VLC with Qt

viewer.py

@@ -373,14 +373,11 @@ def view_video(uri, duration):
 
     view_image('null')
 
-    try:
-        while media_player.is_playing():
-            watchdog()
-            sleep(1)
-    except sh.ErrorReturnCode_1:
-        logging.info('Resource URI is not correct, remote host is not responding or request was rejected.')
+    if browser is None or not browser.process.alive:
+        load_browser()
 
-    media_player.stop()
+    browser_bus.loadVideo(uri)
+    logging.info('Current url is {0}'.format(uri))
 
 
 def load_settings():
@@ -417,8 +414,10 @@ def asset_loop(scheduler):
         else:
             logging.error('Unknown MimeType %s', mime)
 
-        if 'image' in mime or 'web' in mime:
+        if any(mimetype for mimetype in ['image', 'web', 'video']):
             duration = int(asset['duration'])
+            if 'video' in mime:
+                duration += 0.5 # Add a 500-ms delay to avoid cross-playback.
             logging.info('Sleeping for %s', duration)
             sleep(duration)