Esempio n. 1
0
class PositionTracker(object):
    """
    Tracks the last position of the player. This is necessary because 
    Player.getTime() is not valid after the callback to 
    Player.onPlayBackStopped() has completed.  
    """

    HISTORY_SECS = 5  # Number of seconds of history to keep around

    def __init__(self, player):
        self._player = player
        self._lastPos = 0.0
        self._tracker = BoundedEvictingQueue(
            (1000 / SLEEP_MILLIS) * self.HISTORY_SECS)
        self._history = []

    def onPlayBackStarted(self):
        log.debug('Starting position tracker...')
        self._tracker = threading.Thread(name='Position Tracker',
                                         target=self._trackPosition)
        self._tracker.start()

    def onPlayBackStopped(self):
        if self._tracker.isAlive():
            log.debug('Position tracker stop called. Still alive = %s' %
                      self._tracker.isAlive())
        else:
            log.debug('Position tracker thread already dead.')

    def onPlayBackEnded(self):
        self.onPlayBackStopped()

    def getHistory(self, howFarBack):
        """Returns a list of TrackerSamples from 'howFarBack' seconds ago."""
        endPos = self._lastPos
        startPos = endPos - howFarBack
        slice = []
        for sample in self._history:
            if startPos <= sample.pos and sample.pos <= endPos:
                slice.append(sample)
        log.debug('Tracker history for %s secs = [%s] %s' %
                  (howFarBack, len(slice), slice))
        return slice

    def getLastPosition(self):
        return self._lastPos

    def _trackPosition(self):
        """Method run in a separate thread. Tracks last position of player as long as it is playing"""
        try:
            while self._player.isPlaying():
                self._lastPos = self._player.getTime()
                self._history.append(TrackerSample(time.time(), self._lastPos))
                #log.debug('Tracker time = %s' % self._lastPos)
                xbmc.sleep(SLEEP_MILLIS)
            log.debug('Position tracker thread exiting with lastPos = %s' %
                      self.getLastPosition())
        except:
            log.exception('_trackPosition catchall')
Esempio n. 2
0
class PositionTracker(object):
    """
    Tracks the last position of the player. This is necessary because 
    Player.getTime() is not valid after the callback to 
    Player.onPlayBackStopped() has completed.  
    """
    
    HISTORY_SECS = 5  # Number of seconds of history to keep around

    def __init__(self, player):
        self._player = player
        self._lastPos = 0.0
        self._tracker = BoundedEvictingQueue((1000/SLEEP_MILLIS) * self.HISTORY_SECS)
        self._history = []
        
    def onPlayBackStarted(self):
        log.debug('Starting position tracker...')
        self._tracker = threading.Thread(
            name='Position Tracker', 
            target = self._trackPosition)
        self._tracker.start()
    
    def onPlayBackStopped(self):
        if self._tracker.isAlive():
            log.debug('Position tracker stop called. Still alive = %s' % self._tracker.isAlive())
        else:
            log.debug('Position tracker thread already dead.')

    def onPlayBackEnded(self):
        self.onPlayBackStopped()
        
    def getHistory(self, howFarBack):
        """Returns a list of TrackerSamples from 'howFarBack' seconds ago."""
        endPos = self._lastPos
        startPos = endPos - howFarBack
        slice = []
        for sample in self._history:
            if startPos <= sample.pos and sample.pos <= endPos:
                slice.append(sample)
        log.debug('Tracker history for %s secs = [%s] %s' % (howFarBack, len(slice), slice))
        return slice
    
    def getLastPosition(self):
        return self._lastPos
    
    def _trackPosition(self):
        """Method run in a separate thread. Tracks last position of player as long as it is playing"""
        try:
            while self._player.isPlaying():
                self._lastPos = self._player.getTime()
                self._history.append(TrackerSample(time.time(), self._lastPos))
                #log.debug('Tracker time = %s' % self._lastPos)
                xbmc.sleep(SLEEP_MILLIS)
            log.debug('Position tracker thread exiting with lastPos = %s' % self.getLastPosition())
        except:
            log.exception('_trackPosition catchall')
Esempio n. 3
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 def __init__(self, player):
     self._player = player
     self._lastPos = 0.0
     self._tracker = BoundedEvictingQueue((1000/SLEEP_MILLIS) * self.HISTORY_SECS)
     self._history = []
Esempio n. 4
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 def __init__(self, player):
     self._player = player
     self._lastPos = 0.0
     self._tracker = BoundedEvictingQueue(
         (1000 / SLEEP_MILLIS) * self.HISTORY_SECS)
     self._history = []