Method LoadStabilizedData

src/effects/Stabilizer.cpp:106–152

Load protobuf data file

// Load protobuf data file
bool Stabilizer::LoadStabilizedData(std::string inputFilePath){
	using std::ios;
	// Create stabilization message
	pb_stabilize::Stabilization stabilizationMessage;

	// Read the existing tracker message.
	std::fstream input(inputFilePath, ios::in | ios::binary);
	if (!stabilizationMessage.ParseFromIstream(&input)) {
		std::cerr << "Failed to parse protobuf message." << std::endl;
		return false;
	}

	// Make sure the data maps are empty
	transformationData.clear();
	trajectoryData.clear();

	// Iterate over all frames of the saved message and assign to the data maps
	for (size_t i = 0; i < stabilizationMessage.frame_size(); i++) {

		// Create stabilization message
		const pb_stabilize::Frame& pbFrameData = stabilizationMessage.frame(i);

		// Load frame number
		size_t id = pbFrameData.id();

		// Load camera trajectory data
		float x = pbFrameData.x();
		float y = pbFrameData.y();
		float a = pbFrameData.a();

		// Assign data to trajectory map
		trajectoryData[i] = EffectCamTrajectory(x,y,a);

		// Load transformation data
		float dx = pbFrameData.dx();
		float dy = pbFrameData.dy();
		float da = pbFrameData.da();

		// Assing data to transformation map
		transformationData[id] = EffectTransformParam(dx,dy,da);
	}

	// Delete all global objects allocated by libprotobuf.
	google::protobuf::ShutdownProtobufLibrary();

	return true;
}