82 lines
3.1 KiB
Python
82 lines
3.1 KiB
Python
import sys
|
||
import cv2
|
||
import numpy as np
|
||
import multiprocessing
|
||
from PyQt5 import QtWidgets, QtGui, QtCore
|
||
from PyQt5.QtCore import QTimer
|
||
from Detection_window import Ui_MainWindow
|
||
from camera.camera_process import CameraProcess
|
||
|
||
class DetectionApp(QtWidgets.QMainWindow, Ui_MainWindow):
|
||
def __init__(self):
|
||
super(DetectionApp, self).__init__()
|
||
self.setupUi(self)
|
||
|
||
# ✅ 先初始化 image_queue，再啟動相機擷取
|
||
self.image_queue = multiprocessing.Queue(maxsize=1)
|
||
self.camera_process = None # 相機進程尚未啟動
|
||
|
||
self.bt_KeepShot.clicked.connect(self.KeepShot)
|
||
self.bt_StopKeepShot.clicked.connect(self.StopKeepShot)
|
||
|
||
# ✅ 設定 QTimer，每 100ms 更新影像
|
||
self.timer = QTimer(self)
|
||
self.timer.timeout.connect(self.update_view_origin)
|
||
self.timer.start(100) # 每 100ms 更新一次影像
|
||
|
||
def KeepShot(self):
|
||
""" 啟動相機擷取 """
|
||
if self.camera_process is None or not self.camera_process.is_alive():
|
||
self.StopKeepShot() # 確保先停止舊的 Process，避免衝突
|
||
|
||
# ✅ 重新建立 Queue，避免殘留影像影響新擷取
|
||
self.image_queue = multiprocessing.Queue(maxsize=1)
|
||
|
||
# ✅ 確保 `CameraProcess` 是新的
|
||
self.camera_process = CameraProcess(self.image_queue)
|
||
self.camera_process.start()
|
||
else:
|
||
print("相機已經在擷取")
|
||
|
||
def StopKeepShot(self):
|
||
""" 停止相機擷取 """
|
||
if self.camera_process and self.camera_process.is_alive():
|
||
self.camera_process.stop() # 停止擷取
|
||
self.camera_process.join() # 等待進程完全結束
|
||
self.camera_process = None
|
||
print("已停止影像擷取")
|
||
|
||
# ✅ 清空 Queue，確保新擷取不會讀取到舊影像
|
||
while not self.image_queue.empty():
|
||
try:
|
||
self.image_queue.get_nowait()
|
||
except:
|
||
break
|
||
|
||
def update_view_origin(self):
|
||
""" 從 Queue 獲取影像並顯示在 QLabel (view_origin) 上 """
|
||
if not self.image_queue.empty():
|
||
image = self.image_queue.get() # 取得最新影像
|
||
self.display_image(image)
|
||
|
||
def display_image(self, image):
|
||
""" 顯示影像到 QLabel (view_origin) """
|
||
image_bgr = cv2.cvtColor(image, cv2.COLOR_BayerBG2BGR) if len(image.shape) == 2 else image
|
||
height, width, channel = image_bgr.shape
|
||
bytes_per_line = 3 * width
|
||
qimage = QtGui.QImage(image_bgr.data, width, height, bytes_per_line, QtGui.QImage.Format_BGR888)
|
||
pixmap = QtGui.QPixmap.fromImage(qimage).scaled(self.view_origin.size(), QtCore.Qt.KeepAspectRatio)
|
||
self.view_origin.setPixmap(pixmap)
|
||
|
||
def closeEvent(self, event):
|
||
""" 確保程式關閉時正確停止相機擷取進程 """
|
||
self.StopKeepShot() # 確保關閉程式時停止相機擷取
|
||
event.accept() # ✅ 允許視窗關閉
|
||
|
||
|
||
if __name__ == "__main__":
|
||
app = QtWidgets.QApplication(sys.argv)
|
||
window = DetectionApp()
|
||
window.show()
|
||
sys.exit(app.exec_())
|