image_meta_producer.h

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/*
 * Copyright (c) 2020, NVIDIA CORPORATION. All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */
 
#pragma once
 
#include <sstream>
#include <iomanip>
#include <fstream>
#include <chrono>
#include <ctime>
#include "image_meta_consumer.h"
#include "concurrent_queue.h"
 
class ImageMetaProducer
{
public:
    // left: filepath for multiple file, right: file content
    typedef std::pair<std::string, std::string> string_pair;
    struct IPData
    {
        float confidence = 0.f;
        bool within_confidence;
        unsigned class_id = 0;
        unsigned current_frame = 0;
        unsigned video_stream_nb = 0;
        std::string class_name;
        std::string video_path;
        std::string image_full_frame_path_saved;
        std::string image_cropped_obj_path_saved;
        std::string datetime;
        unsigned img_height = 0;
        unsigned img_width = 0;
        unsigned img_top = 0;
        unsigned img_left = 0;
    };
 
    ImageMetaProducer(ImageMetaConsumer &ic);
    bool stack_obj_data(IPData &data);
    void send_and_flush_obj_data();
    void generate_image_full_frame_path(const unsigned stream_source_id,
                                        const std::string &datetime_iso8601);
    std::string get_image_full_frame_path_saved();
 
private:
 
    std::string make_csv_data(const IPData &data);
    std::string make_json_data(const IPData &data);
    std::string make_kitti_data(const IPData &data);
    std::string make_kitti_save_path() const;
 
    std::string image_full_frame_path_saved_;
    std::vector<std::string> obj_data_csv_;
    std::vector<std::string> obj_data_json_;
    std::vector<std::string> obj_data_kitti_;
    ImageMetaConsumer &ic_;
};