refacted video_player and omx_driver into one class

video_player.py

@@ -0,0 +1,90 @@
+from omxplayer.player import OMXPlayer
+import data_centre
+
+class video_player:
+    def __init__(self, root, name):
+        self.root = root
+        self.player = None
+        self.name = name
+        self.omx_running = False
+        self.status = 'UNASSIGNED'
+        self.duration = 0
+        self.bank_number = '-'
+        self.start = -1
+        self.end = -1
+        self.length = 0
+        self.location = ''
+        self.arguments = ['--no-osd'] #'{}'.format(screen_size), 
+
+    def load(self):
+        self.get_context_for_player()
+
+        self.status = 'LOADING'
+        self.player = OMXPlayer(self.location, args=self.arguments, dbus_name=self.name)
+        self.omx_running = True
+        self.duration = self.player.duration()
+        print('{}: the duration is {}'.format(self.name, self.duration))
+        self.pause_at_start()
+
+    def pause_at_start(self):
+        position = self.get_position()
+        print('{}: the pause_at_start position is {}'.format(self.name, position))
+        if(position > -0.05):
+            self.status = 'LOADED'
+            self.player.pause()
+            print('{}: its paused'.format(self.name))
+        else:
+            self.root.after(5,self.pause_at_start)
+
+    def play(self):
+        self.status = 'PLAYING'
+        self.player.play()
+        self.pause_at_end()
+
+    def pause_at_end(self):
+        position = self.get_position()
+        print('{}: the pause_at_end position is {}'.format(self.name, position))
+        if(position > (self.duration - 0.15 )):
+            self.status = 'FINISHED'
+            print('time to end is {}'.format(self.duration - position))
+            self.player.pause()
+            print('its finished')
+        elif(self.omx_running):
+            self.root.after(5,self.pause_at_end)
+
+    def is_loaded(self):
+        return self.status is 'LOADED'
+
+    def is_finished(self):
+        return self.status is 'FINISHED'
+
+    def get_position(self):
+        try:
+            return self.player.position()
+        except:
+            return -1
+
+    def get_context_for_player(self):
+        next_context = data_centre.get_next_context()
+        self.location = next_context['location']
+        self.length = next_context['length']
+        self.start = next_context['start']
+        self.end = next_context['end']
+        self.bank_number = next_context['bank_number']
+
+    def toggle_pause(self):
+        self.player.play_pause()
+
+        self.status = self.player.playback_status().upper()
+
+    def seek(self, amount):
+        self.player.seek(amount)
+
+    def exit(self):
+        try:
+            self.player.quit()
+            self.omx_running = False
+        except:
+            pass
+
+