diff options
| author | Stanislaw Halik <sthalik@misaki.pl> | 2018-01-18 23:45:42 +0100 |
|---|---|---|
| committer | Stanislaw Halik <sthalik@misaki.pl> | 2018-01-18 23:55:02 +0100 |
| commit | 0657dc14e07ee705a8ab0bba67dfbe04c603db49 (patch) | |
| tree | e554cf0c59ddf710bb8c2b3bae3c478f5b9ffb66 /tracker-pt/camera.cpp | |
| parent | 65523fe1304a7e61889abb1e6854192a43c6dcf0 (diff) | |
tracker/pt: move impl bits away from pt-base
Diffstat (limited to 'tracker-pt/camera.cpp')
| -rw-r--r-- | tracker-pt/camera.cpp | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/tracker-pt/camera.cpp b/tracker-pt/camera.cpp deleted file mode 100644 index ba4583da..00000000 --- a/tracker-pt/camera.cpp +++ /dev/null @@ -1,171 +0,0 @@ -/* 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. - */ - -#include "camera.h" -#include "frame.hpp" - -#include "compat/sleep.hpp" -#include "compat/camera-names.hpp" -#include "compat/math-imports.hpp" - -#include <opencv2/imgproc.hpp> - -#include "cv/video-property-page.hpp" - -using namespace pt_module; - -Camera::Camera(const QString& module_name) : s { module_name } -{ -} - -QString Camera::get_desired_name() const -{ - return desired_name; -} - -QString Camera::get_active_name() const -{ - return active_name; -} - -void Camera::show_camera_settings() -{ - const int idx = camera_name_to_index(s.camera_name); - - if (bool(*this)) - video_property_page::show_from_capture(*cap, idx); - else - { - video_property_page::show(idx); - } -} - -Camera::result Camera::get_info() const -{ - if (cam_info.res_x == 0 || cam_info.res_y == 0) - return result(false, pt_camera_info()); - return result(true, cam_info); -} - -Camera::result Camera::get_frame(pt_frame& frame_) -{ - cv::Mat& frame = frame_.as<Frame>()->mat; - - const bool new_frame = _get_frame(frame); - - if (new_frame) - { - const double dt = t.elapsed_seconds(); - t.start(); - - // measure fps of valid frames - constexpr double RC = .1; // seconds - const double alpha = dt/(dt + RC); - - if (dt_mean < dt_eps) - dt_mean = dt; - else - dt_mean = (1-alpha) * dt_mean + alpha * dt; - - cam_info.fps = dt_mean > dt_eps ? 1 / dt_mean : 0; - cam_info.res_x = frame.cols; - cam_info.res_y = frame.rows; - cam_info.fov = fov; - - return result(true, cam_info); - } - else - return result(false, pt_camera_info()); -} - -pt_camera_open_status Camera::start(int idx, int fps, int res_x, int res_y) -{ - if (idx >= 0 && fps >= 0 && res_x >= 0 && res_y >= 0) - { - if (cam_desired.idx != idx || - cam_desired.fps != fps || - cam_desired.res_x != res_x || - cam_desired.res_y != res_y || - !cap || !cap->isOpened() || !cap->grab()) - { - stop(); - - desired_name = get_camera_names().value(idx); - cam_desired.idx = idx; - cam_desired.fps = fps; - cam_desired.res_x = res_x; - cam_desired.res_y = res_y; - cam_desired.fov = fov; - - cap = camera_ptr(new cv::VideoCapture(cam_desired.idx)); - - if (cam_desired.res_x) - cap->set(cv::CAP_PROP_FRAME_WIDTH, cam_desired.res_x); - if (cam_desired.res_y) - cap->set(cv::CAP_PROP_FRAME_HEIGHT, cam_desired.res_y); - if (cam_desired.fps) - cap->set(cv::CAP_PROP_FPS, cam_desired.fps); - - if (cap->isOpened() && cap->grab()) - { - cam_info = pt_camera_info(); - active_name = QString(); - cam_info.idx = idx; - dt_mean = 0; - active_name = desired_name; - - t.start(); - - return cam_open_ok_change; - } - else - { - stop(); - return cam_open_error; - } - } - - return cam_open_ok_no_change; - } - - stop(); - return cam_open_error; -} - -void Camera::stop() -{ - cap = nullptr; - desired_name = QString(); - active_name = QString(); - cam_info = pt_camera_info(); - cam_desired = pt_camera_info(); -} - -bool Camera::_get_frame(cv::Mat& frame) -{ - if (cap && cap->isOpened()) - { - for (int i = 0; i < 5; i++) - { - if (cap->read(frame)) - return true; - portable::sleep(1); - } - } - return false; -} - -void Camera::camera_deleter::operator()(cv::VideoCapture* cap) -{ - if (cap) - { - if (cap->isOpened()) - cap->release(); - delete cap; - } -} - |