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| 1 | +#!/usr/bin/env python |
| 2 | +# -*- coding: utf-8 -*- |
| 3 | +# ============================================================================= |
| 4 | +# This file is a part of servocam.org package <servocam.org> |
| 5 | +# Created By: Marcin Szczygliński <info@servocam.org> |
| 6 | +# GitHub: https://github.com/servo-cam |
| 7 | +# License: MIT |
| 8 | +# Updated At: 2023.03.27 02:00 |
| 9 | +# ============================================================================= |
| 10 | + |
| 11 | + |
| 12 | +import sys |
| 13 | +import numpy as np |
| 14 | +from PySide6.QtCore import QTimer, Slot |
| 15 | +from PySide6.QtGui import QScreen |
| 16 | +from PySide6.QtWidgets import (QApplication, QMainWindow) |
| 17 | +from core.tracker import Tracker |
| 18 | +from core.ui.main import UI |
| 19 | +from core.threads import RemoteVideoThread, SocketThread, StatusThread |
| 20 | + |
| 21 | + |
| 22 | +class MainWindow(QMainWindow): |
| 23 | + |
| 24 | + def __init__(self): |
| 25 | + """App main window""" |
| 26 | + super().__init__() |
| 27 | + self.tracker = Tracker(self) |
| 28 | + self.timer = None |
| 29 | + |
| 30 | + # setup UI |
| 31 | + self.ui = UI(self) |
| 32 | + self.ui.setup() |
| 33 | + |
| 34 | + # load model |
| 35 | + self.tracker.controller.internals.toggle_model(self.tracker.model_name) |
| 36 | + |
| 37 | + # init app |
| 38 | + self.setup() |
| 39 | + |
| 40 | + self.setWindowTitle('SERVO CAM v{} | build {} | servocam.org'.format(self.tracker.version, self.tracker.build)) |
| 41 | + |
| 42 | + # create remote video capture thread |
| 43 | + self.video_thread = RemoteVideoThread(self) |
| 44 | + self.video_thread.handle_video_signal.connect(self.handle_video) |
| 45 | + self.video_thread.started_signal.connect(lambda: self.tracker.debug.log('[THREAD: VIDEO] Started')) |
| 46 | + self.video_thread.finished_signal.connect(lambda: self.tracker.debug.log('[THREAD: VIDEO] Exited')) |
| 47 | + self.video_thread.start() |
| 48 | + |
| 49 | + # create socket connection thread |
| 50 | + self.socket_thread = SocketThread(self) |
| 51 | + self.socket_thread.handle_socket_signal.connect(self.handle_socket) |
| 52 | + self.socket_thread.started_signal.connect(lambda: self.tracker.debug.log('[THREAD: SOCKET] Started')) |
| 53 | + self.socket_thread.finished_signal.connect(lambda: self.tracker.debug.log('[THREAD: SOCKET] Exited')) |
| 54 | + self.socket_thread.start() |
| 55 | + |
| 56 | + # create serial listen thread |
| 57 | + self.status_thread = StatusThread(self) |
| 58 | + self.status_thread.handle_status_signal.connect(self.handle_status) |
| 59 | + self.status_thread.started_signal.connect(lambda: self.tracker.debug.log('[THREAD: STATUS] Started')) |
| 60 | + self.status_thread.finished_signal.connect(lambda: self.tracker.debug.log('[THREAD: STATUS] Exited')) |
| 61 | + self.status_thread.start() |
| 62 | + |
| 63 | + # show info about encryption |
| 64 | + if self.tracker.encrypt.enabled_data: |
| 65 | + self.tracker.debug.log("[AES ENCRYPTION] Data encryption is enabled") |
| 66 | + if self.tracker.encrypt.enabled_video: |
| 67 | + self.tracker.debug.log("[AES ENCRYPTION] Video stream encryption is enabled") |
| 68 | + |
| 69 | + def setup(self): |
| 70 | + """Setup app""" |
| 71 | + self.tracker.controller.init(self.tracker.source) # init tracker with default source |
| 72 | + self.timer = QTimer() |
| 73 | + self.timer.timeout.connect(self.update) |
| 74 | + self.timer.start(self.tracker.fps) |
| 75 | + |
| 76 | + def update(self): |
| 77 | + """On frame update""" |
| 78 | + self.tracker.update() |
| 79 | + |
| 80 | + @Slot(np.ndarray) |
| 81 | + def handle_video(self, frame): |
| 82 | + """ |
| 83 | + Handle remote video thread signal |
| 84 | +
|
| 85 | + :param frame: video frame |
| 86 | + """ |
| 87 | + self.tracker.render.handle_thread(frame) # handle remote video |
| 88 | + |
| 89 | + @Slot(str, str) |
| 90 | + def handle_socket(self, buff, ip): |
| 91 | + """ |
| 92 | + Handle socket thread signal |
| 93 | +
|
| 94 | + :param buff: received data |
| 95 | + :param ip: ip address |
| 96 | + """ |
| 97 | + self.tracker.sockets.handle_thread(buff, ip) # handle socket |
| 98 | + |
| 99 | + @Slot(str) |
| 100 | + def handle_status(self, buff): |
| 101 | + """ |
| 102 | + Handle status thread signal |
| 103 | +
|
| 104 | + :param buff: received data |
| 105 | + """ |
| 106 | + self.tracker.status.handle_thread(buff) # handle status |
| 107 | + |
| 108 | + def keyPressEvent(self, event): |
| 109 | + """ |
| 110 | + Handle key press event |
| 111 | +
|
| 112 | + :param event: key event |
| 113 | + """ |
| 114 | + super(MainWindow, self).keyPressEvent(event) |
| 115 | + self.tracker.keyboard.on_key_press(event) |
| 116 | + |
| 117 | + def keyReleaseEvent(self, event): |
| 118 | + """ |
| 119 | + Handle key release event |
| 120 | +
|
| 121 | + :param event: key event |
| 122 | + """ |
| 123 | + super(MainWindow, self).keyReleaseEvent(event) |
| 124 | + self.tracker.keyboard.on_key_release(event) |
| 125 | + |
| 126 | + # on close event |
| 127 | + def closeEvent(self, event): |
| 128 | + """ |
| 129 | + Handle close event |
| 130 | +
|
| 131 | + :param event: close event |
| 132 | + """ |
| 133 | + self.tracker.debug.log("Closing...") |
| 134 | + if self.video_thread is not None: |
| 135 | + self.tracker.debug.log("Waiting for video thread to exit...") |
| 136 | + self.video_thread.exiting = True |
| 137 | + |
| 138 | + if self.socket_thread is not None: |
| 139 | + self.tracker.debug.log("Waiting for socket thread to exit...") |
| 140 | + self.socket_thread.exiting = True |
| 141 | + |
| 142 | + if self.status_thread is not None: |
| 143 | + self.tracker.debug.log("Waiting for status thread to exit...") |
| 144 | + self.status_thread.exiting = True |
| 145 | + |
| 146 | + self.tracker.debug.log("Exiting...") |
| 147 | + event.accept() # let the window close |
| 148 | + |
| 149 | + |
| 150 | +if __name__ == '__main__': |
| 151 | + app = QApplication(sys.argv) |
| 152 | + main_win = MainWindow() |
| 153 | + available_geometry = main_win.screen().availableGeometry() |
| 154 | + center = QScreen.availableGeometry(QApplication.primaryScreen()).center() / 2 |
| 155 | + topLeftPoint = QScreen.availableGeometry(QApplication.primaryScreen()).topLeft() |
| 156 | + main_win.resize(available_geometry.width() / 2, available_geometry.height() / 2) |
| 157 | + main_win.show() |
| 158 | + main_win.move(topLeftPoint) |
| 159 | + |
| 160 | + try: |
| 161 | + sys.exit(app.exec()) |
| 162 | + except SystemExit: |
| 163 | + print("Closing...") |
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