Function trackerJson

examples/Example_opencv.cpp:210–236

Return JSON string for the tracker effect

// Return JSON string for the tracker effect
string trackerJson(cv::Rect2d r, bool onlyProtoPath){

    // Define path to save tracked data
    string protobufDataPath = "kcf_tracker.data";
    // Set the tracker
    string tracker = "KCF";

    // Construct all the composition of the JSON string
    string protobuf_data_path = jsonFormat("protobuf_data_path", protobufDataPath);
    string trackerType = jsonFormat("tracker-type", tracker);
    string bboxCoords = jsonFormat(
                                    "region",
                                            "{" + jsonFormat("x", to_string(r.x), "int") +
                                            "," + jsonFormat("y", to_string(r.y), "int") +
                                            "," + jsonFormat("width", to_string(r.width), "int") +
                                            "," + jsonFormat("height", to_string(r.height), "int") +
                                            "," + jsonFormat("first-frame", to_string(0), "int") +
                                            "}",
                                    "rstring");

    // Return only the the protobuf path in JSON format
    if(onlyProtoPath)
        return "{" + protobuf_data_path + "}";
    // Return all the parameters for the pre-processing effect
    else
        return "{" + protobuf_data_path + "," + trackerType + "," + bboxCoords + "}";
}

// Return JSON string for the stabilizer effect
string stabilizerJson(bool onlyProtoPath){