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
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