Exemplo n.º 1
0
 def on_source(self,*args): 
     filename = os.path.join(config.media_root,self.source)
     #print filename
     if os.path.exists(filename):
         self.player_state = States.STOPPED
         self.stop()
         self.sound = Sound(filename)
         if not self.sound:
             pass#TODO: raise exception or not for fail safe app development
         self.play_pause()
     else:
         self.player_state = States.DEACTIVATED
Exemplo n.º 2
0
class AudioPlayer(BoxLayout):
    player_state = NumericProperty(States.DEACTIVATED)
    source = StringProperty(None)
    sound = ObjectProperty(None)
    position = NumericProperty(0)
    total_time = StringProperty(0)
    current_time = StringProperty(0)
    volume = NumericProperty(0)
    
    def __init__(self, **kwargs):
        self.bind(player_state=self.on_player_state,
                  size=self.on_resize,
                  pos=self.on_resize,
                  source=self.on_source)
        self.register_event_type('on_track_start')
        self.register_event_type('on_track_end')
        super(AudioPlayer, self).__init__(**kwargs)
    
    def on_resize(self,*args):
        pass
    
    def on_source(self,*args): 
        filename = os.path.join(config.media_root,self.source)
        #print filename
        if os.path.exists(filename):
            self.player_state = States.STOPPED
            self.stop()
            self.sound = Sound(filename)
            if not self.sound:
                pass#TODO: raise exception or not for fail safe app development
            self.play_pause()
        else:
            self.player_state = States.DEACTIVATED
    
    def on_player_state(self,sender,new_state):
        pass
    
    def get_readable_time(self,total_seconds):
        minutes = total_seconds / 60.0
        seconds = total_seconds % 60.0
        return '%.2d:%.2d' % (minutes, seconds) 
        
    
    def set_position(self,value):
        if not self.sound:
            return
        if abs( self.position - value)>1:
            self.sound.position = value * self.sound.length / 100.0

    def set_volume(self,value):
        if not self.sound:
            return
        self.sound.volume = value
    
    def update_position(self,e):
        if self.sound.length > 0:
            self.total_time = self.get_readable_time(self.sound.length)
            self.current_time = self.get_readable_time(self.sound.position)
            self.position = self.sound.position * 100.0 / self.sound.length
            self.volume = self.sound.volume
            if abs(self.sound.position - self.sound.length) < 100:
                self.dispatch('on_track_end')
        
    def stop(self):
        if self.sound:
            self.sound.stop()
        self.player_state = States.STOPPED
        
    def play_pause(self):
        if self.player_state == States.DEACTIVATED:
            return
        elif self.player_state == States.PLAYING and self.sound:
            self.sound.pause()
            self.player_state = States.PAUSED            
        elif self.player_state == States.PAUSED:
            self.sound.unpause()
            self.player_state = States.PLAYING
        elif self.player_state == States.STOPPED:
            self.dispatch('on_track_start')
            self.sound.play()
            Clock.schedule_interval(self.update_position,.3)
            self.player_state = States.PLAYING

    def on_track_end(self,*args,**kw):
        pass

    def on_track_start(self,*args,**kw):
        pass