GraphTFT - CPU-Auslastung in Menüs

// next update in...?
		if (_mode & ReplayMask)
			_updateIn = SECONDS(1) - elapsed; // one second minus update time
		else if (_recordings.size() > 1)
			_updateIn = _recordingIn; // use time calculated above
		else {
			if( _marquee_active == false ){
				_updateIn = SECONDS(60); // one minute
				_marquee_active = true;
			}
		}

void cGraphTFTDisplay::Action() {
	int wait = timeMs.Elapsed(), elapsed;


	// give the plugin time to collect some data AND give vdr some time to
	// finish initialization before acquiring the lock
	usleep(500000);


	_active = true;
	_mutex.Lock(); // mutex gets ONLY unlocked when sleeping
	while (_active) {
		d(4, "updating display\n");


		// milliseconds elapsed since last update
		elapsed = timeMs.Elapsed() - wait;


		// check for volumebar
		if (_volumeIn < 0)
			_volumeIn *= -1;
		else if (_volumeIn > 0)
			_volumeIn -= elapsed;


		// check for osdmessage 
		if (_messageIn < 0)
			_messageIn *= -1;
		else if (_messageIn > 0)
			_messageIn -= elapsed;


		// check for animation
		if (_animation && _frameIn > 0)
			_frameIn -= elapsed;


		// check if there is another recording to show
		if (_recordings.size() > 1) {
			if (_recordingIn < 0)
				_recordingIn *= -1;
			else {
				_recordingIn -= elapsed;
				if (_recordingIn <= 0) {
					_showRecording = (_showRecording + 1) % _recordings.size();
					_recordingIn = SECONDS(5);
				}
			}
		}


		// here do the update
		wait = timeMs.Elapsed();
		switch (_mode) {
		case NormalTV:
			Display(sectionNormalTV);
			break;
		case NormalRadio:
			Display(sectionNormalRadio);
			break;
		case ReplayNormal:
			Display(sectionReplayNormal);
			break;
		case ReplayMP3:
			Display(sectionReplayMP3);
			break;
		case ReplayDVD:
			Display(sectionReplayDVD);
			break;
		case OsdMenu:
			Display(sectionMenu);
			break;
		default:
			break;
		}
		elapsed = timeMs.Elapsed() - wait;
		d(4, "update took %d ms\n", elapsed);


		// next update in...?
		_updateIn = SECONDS(60); // one minute
		if (_mode & ReplayMask)
			_updateIn = SECONDS(1) - elapsed; // one second minus update time
		else if (_recordings.size() > 1)
			_updateIn = _recordingIn; // use time calculated above
		else {
			if( _marquee_active == false ){
				_marquee_active = true;
			}
		}


		// possibly updating osdmessage 
		if (_messageIn > 0 && _messageIn < _updateIn)
			_updateIn = _messageIn;

		// possibly updating volume bar
		if (_volumeIn > 0 && _volumeIn < _updateIn)
			_updateIn = _volumeIn;


		// possibly animating
		if (_animation && _mode != OsdMenu) {
			_frameIn -= elapsed;
			if (_frameIn < 0)
				_updateIn = 0;
			else if (_frameIn < _updateIn)
				_updateIn = _frameIn;
		}


    if (_updateIn < 100)
      _updateIn = 100;


		// wait for event or timeout
		wait = timeMs.Elapsed();
    _doUpdate.TimedWait(_mutex, _updateIn);


    _updateIn = 100 - (timeMs.Elapsed() - wait);
    while (_updateIn > 0) {
      _doUpdate.TimedWait(_mutex, _updateIn);
      _updateIn = 100 - (timeMs.Elapsed() - wait);
    }


		while (_delayIn > 0) { // a delayed update was requested
			int delay = _delayIn;
			d(5, "delayed update in max. %d ms\n", _delayIn);
			_delayIn = 0;
			_doUpdate.TimedWait(_mutex, delay);
		}
	}
}