Method startOrUpdateTimer

YUViewLib/src/ui/PlaybackController.cpp:238–260

}

void PlaybackController::startOrUpdateTimer()
{
  if (this->anyItemIndexedByFrame())
  {
    const auto frameRate = this->getCurrentItemsFrameRate();
    this->timerInterval = std::chrono::duration_cast<std::chrono::milliseconds>(1000ms / frameRate);
    const auto ticksToUpdateEachSecond = static_cast<int>(frameRate);
    this->countdownForFPSUpdate        = CountDown(ticksToUpdateEachSecond);
    DEBUG_PLAYBACK("PlaybackController::startOrUpdateTimer framerate %f", frameRate);
  }
  else
  {
    this->timerInterval = 100ms;
    const auto ticksForStaticItem =
        static_cast<int>(this->currentItem[0]->properties().duration * 10);
    this->countDownForStaticItem = CountDown(ticksForStaticItem);
    DEBUG_PLAYBACK("PlaybackController::startOrUpdateTimer duration %d", this->timerInterval);
  }

  this->timer.start(this->timerInterval.count(), Qt::PreciseTimer, this);
  this->playbackMode       = PlaybackMode::Running;
  this->fpsUpdateStopWatch = StopWatch();
}

void PlaybackController::nextFrame()
{