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/* Copyright (c) 2019 Stanislaw Halik <sthalik@misaki.pl>
*
* 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
#include "video/camera.hpp"
#include <optional>
#include <opencv2/core.hpp>
#include <opencv2/videoio.hpp>
namespace opencv_camera_impl {
using namespace video::impl;
struct cam;
struct metadata : camera_
{
metadata();
std::vector<QString> camera_names() const override;
std::unique_ptr<camera> make_camera(const QString& name) override;
bool can_show_dialog(const QString& camera_name) override;
bool show_dialog(const QString& camera_name) override;
};
struct cam final : camera
{
static constexpr int video_capture_backend =
#ifdef _WIN32
cv::CAP_DSHOW;
#elif !defined __APPLE__
cv::CAP_V4L2;
#else
cv::CAP_ANY;
#endif
cam(int idx);
~cam() override;
bool start(info& args) override;
void stop() override;
bool is_open() override;
std::tuple<const frame&, bool> get_frame() override;
bool show_dialog() override;
bool get_frame_();
std::optional<cv::VideoCapture> cap;
cv::Mat mat;
frame frame_;
int idx = -1;
};
} // ns opencv_camera_impl
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