Function CompareFileFrames

test/src/PAGCompareFrameTest.cpp:46–146

};

static void CompareFileFrames(Semaphore* semaphore, std::string pagPath) {
  Clock fileClock = {};
  auto fileName = pagPath.substr(pagPath.rfind('/') + 1, pagPath.size());
  auto pagFile = PAGFile::Load(pagPath);
  ASSERT_NE(pagFile, nullptr);
  auto width = static_cast<float>(pagFile->width());
  auto height = static_cast<float>(pagFile->height());
  if (std::max(width, height) > MAX_FRAME_SIZE) {
    if (width > height) {
      height = static_cast<int>(
          ceilf(static_cast<float>(height) * MAX_FRAME_SIZE / static_cast<float>(width)));
      width = MAX_FRAME_SIZE;
    } else {
      width = static_cast<int>(
          ceilf(static_cast<float>(width) * MAX_FRAME_SIZE / static_cast<float>(height)));
      height = MAX_FRAME_SIZE;
    }
  }
  auto pagSurface =
      OffscreenSurface::Make(static_cast<int>(roundf(width)), static_cast<int>(roundf(height)));
  ASSERT_NE(pagSurface, nullptr);
  auto pagPlayer = std::make_shared<PAGPlayer>();
  pagPlayer->setSurface(pagSurface);
  pagPlayer->setComposition(pagFile);
  Frame totalFrames = TimeToFrame(pagFile->duration(), pagFile->frameRate());
  Frame currentFrame = 0;
  std::string errorMsg;
  std::map<Frame, RenderCost> performanceMap = {};

  Bitmap currentSnapshot = {};
  std::shared_ptr<Task> lastTask = nullptr;
  Frame lastFrame = 0;
  bool lastResult = false;

  auto CompareFrame = [&](Frame currentFrame) {
    if (lastTask == nullptr) {
      return;
    }
    Clock clock = {};
    lastTask->wait();
    auto compareCost = clock.measure();
    if (currentFrame == lastFrame) {
      auto& cost = performanceMap[currentFrame];
      cost.compareCost = compareCost;
      cost.totalTime += compareCost;
    }
    if (!lastResult) {
      errorMsg += (std::to_string(currentFrame) + ";");
    }
    lastTask = nullptr;
  };

  while (currentFrame < totalFrames) {
    auto changed = pagPlayer->flush();
    if (changed) {
      RenderCost cost = {};
      Clock clock = {};
      currentSnapshot = MakeSnapshot(pagSurface);