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/* Copyright (c) 2012 Patrick Ruoff
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 */

#pragma once

#if __has_include(<Kinect.h>)

#include <Kinect.h>

#include "pt-api.hpp"
#include "compat/timer.hpp"

#include <memory>

#include <opencv2/core.hpp>
#include <opencv2/videoio.hpp>

#include <QString>

namespace pt_module {

///
/// Implement our camera interface using Kinect V2 SDK IR Sensor.
///
struct CameraKinectIr final : pt_camera
{
    CameraKinectIr(const QString& module_name);

    bool start(int idx, int fps, int res_x, int res_y) override;
    void stop() override;

    result get_frame(pt_frame& Frame) override;
    result get_info() const override;

    pt_camera_info get_desired() const override { return cam_desired; }
    QString get_desired_name() const override;
    QString get_active_name() const override;

    void set_fov(f value) override { fov = value; }
    void show_camera_settings() override;

private:
    [[nodiscard]] bool get_frame_(cv::Mat& frame);

    f dt_mean = 0, fov = 30;
    Timer t;
    pt_camera_info cam_info;
    pt_camera_info cam_desired;
    QString desired_name, active_name;

    struct camera_deleter final
    {
        void operator()(cv::VideoCapture* cap);
    };


    pt_settings s;

    static constexpr f dt_eps = f{1}/256;


    // Current Kinect
    IKinectSensor* iKinectSensor = nullptr;

    // Infrared reader
    IInfraredFrameReader*  iInfraredFrameReader = nullptr;

    // Frame needs to stay alive while we access the data buffer
    IInfraredFrame* iInfraredFrame = nullptr;

};

} // ns pt_module


#endif