Examples of javax.media.Time

javax.media.Time
sun.com/products/java-media/jmf/2.1.1/apidocs/javax/media/Time.html" target="_blank">this class in the JMF Javadoc. Complete. @author Ken Larson

        {
            throw new NotRealizedError(
                "Cannot set stop time on an unrealized Controller");
        }


        Time oldStopTime = getStopTime();


        //  If the stop time has changed, post an event
        if( mediaStopTime.getNanoseconds() !=
            oldStopTime.getNanoseconds() )
        {
            //  Set in superclass
            super.setStopTime(mediaStopTime);


            //  Post event

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            throw new NotRealizedError(
                "Cannot set media time on an Unrealized Controller");
        }


        long nano = t.getNanoseconds();
        Time duration = getDuration();


        //  Enforce upper bound on start time
        if( duration != DURATION_UNKNOWN &&
            duration != DURATION_UNBOUNDED )
        {
            long limit = duration.getNanoseconds();
            if( nano > limit ) {
                t = new Time(limit);
            }
        }


        //  Set the media time
        super.setMediaTime(t);

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     *
     * @return     The current media time
     */
    @Override
  public synchronized Time getMediaTime() {
        Time mediaTime = super.getMediaTime();
        Time duration = getDuration();


        //  Compare media time with duration
        if( duration != DURATION_UNKNOWN &&
            duration != DURATION_UNBOUNDED &&
            mediaTime.getNanoseconds() > duration.getNanoseconds() )
        {
            return duration;
        }


        return mediaTime;

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        //  Set the state and post event
        setState( Started );
        postStartEvent();


        //  Calculate start latency.  If unknown, asssume zero.
        Time latencyTime = getStartLatency();
        long latency;


        if( latencyTime == LATENCY_UNKNOWN ) {
            latency = 0;
        } else {
            latency = latencyTime.getNanoseconds();
        }


        long start = t.getNanoseconds();
        long now = getTimeBase().getNanoseconds();


        //  If the start time is in the past, change it to now
        if(now  + latency > start) t = new Time(now + latency);


        //  Start the clock
        super.syncStart(t);


        boolean result;

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     * immediately.
     */
    public void blockUntilStart(Time t) {


        //  Calculate start latency.  If unknown, asssume zero.
        Time latencyTime = getStartLatency();
        long latency;


        if( latencyTime == LATENCY_UNKNOWN ) {
            latency = 0;
        } else {
            latency = latencyTime.getNanoseconds();
        }


        long start = t.getNanoseconds();
        long now = getTimeBase().getNanoseconds();
        long delay = (start - latency - now)/1000000;

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         else
         {
           final long durationNanos = playbin.getDuration().longValue();
           if (durationNanos <= 0)  // TODO: why are we getting 0?
             return DURATION_UNKNOWN;  
           return new Time(durationNanos);
         }
  }

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    {
      return super.getMediaTime();
    } 
         else
         {
           return new Time(playbin.getPosition().longValue());
         }
  }

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  @Override
  public Time getPlayerStartLatency()
  {
    return new Time(0);
  }

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      * @return     javax.media.Time object representing the
      *             maximum startup latency across all the input
      *             Controllers.
      */
    public static Time getMaximumLatency(Controller[] controllers) { 
        Time    maxLatency = new Time(0.0);
        Time    thisTime;
        double  maxSeconds = 0.0;


        for (int i = 0; i < controllers.length; i++) {
            if (controllers[i].getState() < Controller.Realized ||
               (thisTime = controllers[i].getStartLatency()) 
                    == Controller.LATENCY_UNKNOWN)
            {
                continue;
            }


            double thisSeconds = thisTime.getSeconds();
            if (thisSeconds > maxSeconds)
                maxLatency = thisTime;
        }
        return maxLatency;
    }

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  {  init();  // KAL: added to handle case where controller starts before our controllerUpdate handler gets registered.
  }
    }


    private void init() {
  Time d = getController().getDuration();
  // If duration is unknown or unbounded, slider
        // will not be operational.
  boolean flg = 
          d != Duration.DURATION_UNBOUNDED &&
           d != Duration.DURATION_UNKNOWN;


  // We have some know duration, is it zero?
  if (flg) {
      duration = d.getNanoseconds();
      flg = (duration != 0L);
  }
  setOperational(flg);
  // Duration is known and non-zero, all is well...
  if (flg) {
      // Setup timer
      controlTimer = new SourcedTimer(this, TIMER_TICK);
        controlTimer.addSourcedTimerListener(this);


      Time mTime = getController().getMediaTime();
      long mediaTime = mTime.getNanoseconds();


      setValue(mediaTime);
      
      if (getController().getState() == Controller.Started)
        controlTimer.start();  // this handles the case where it is already started before we get here, in which case controllerUpdate will never get called with the initial state

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