modify: h5 插件系统更新

app/view/camera/camera_interface.py

@@ -18,25 +18,25 @@ class VideoStream(QObject):
         self.timer.timeout.connect(self.update_frame)
         self.retry_count = 0
         self.max_retry = 5
-        
+
         self.open_stream()
-    
+
     def open_stream(self):
         """尝试打开RTSP视频流"""
         if self.cap:
             self.cap.release()
-            
+
         # 创建VideoCapture对象并设置RTSP参数
         self.cap = cv2.VideoCapture(self.stream_url)
-        
+
         # 关键设置：使用TCP传输（避免UDP丢包问题），设置超时和缓冲区
         # self.cap.set(cv2.CAP_PROP_RTSP_TRANSPORT, 1)  # 1 = TCP传输模式
         self.cap.set(cv2.CAP_PROP_OPEN_TIMEOUT_MSEC, 5000)  # 5秒超时
         self.cap.set(cv2.CAP_PROP_BUFFERSIZE, 1)  # 最小化缓冲区
-        
+
         # 打开RTSP流
         self.cap.open(self.stream_url)
-        
+
         if not self.cap.isOpened():
             self.retry_count += 1
             if self.retry_count <= self.max_retry:
@@ -46,11 +46,11 @@ class VideoStream(QObject):
         else:
             self.retry_count = 0
             self.timer.start(30)  # 约30fps
-    
+
     def update_frame(self):
         if not self.cap or not self.cap.isOpened():
             return
-            
+
         ret, frame = self.cap.read()
         if ret:
             # 转换为黑白图像
@@ -67,24 +67,25 @@ class VideoStream(QObject):
         else:
             # 读取失败时重新连接
             self.open_stream()
-    
+
     def stop(self):
         self.timer.stop()
         if self.cap:
             self.cap.release()
 
+
 class CameraInterface(QWidget):
     def __init__(self, rtsp_url="rtsp://127.0.0.1:8554/stream"):
         super().__init__()
         self.setObjectName("camera_interface")
         self.setWindowTitle("RTSP视频流接收器")
         self.resize(800, 600)
-        
+
         # 创建UI
         self.label = QLabel("等待RTSP视频流...")
         self.label.setAlignment(Qt.AlignmentFlag.AlignCenter)
         self.label.setStyleSheet("font-size: 20px; color: #888;")
-        
+
         # 创建按钮
         self.listen_button = PushButton("开始监听RTSP")
         self.listen_button.clicked.connect(lambda: self.start_listen(rtsp_url))
@@ -94,7 +95,7 @@ class CameraInterface(QWidget):
         layout.addWidget(self.label)
         layout.addWidget(self.listen_button)
         self.setLayout(layout)
-        
+
     def start_listen(self, rtsp_url):
         self.listen_button.setEnabled(False)
         self.label.setText(f"正在连接: {rtsp_url}...")
@@ -102,35 +103,37 @@ class CameraInterface(QWidget):
         self.stream = VideoStream(rtsp_url)
         self.stream.new_frame.connect(self.display_frame)
         self.stream.error_occurred.connect(self.display_error)
-    
+
     def display_frame(self, image):
         pixmap = QPixmap.fromImage(image)
-        self.label.setPixmap(pixmap.scaled(
-            self.label.width(), 
-            self.label.height(),
-            Qt.AspectRatioMode.KeepAspectRatio,
-            Qt.TransformationMode.SmoothTransformation
-        ))
-    
+        self.label.setPixmap(
+            pixmap.scaled(
+                self.label.width(),
+                self.label.height(),
+                Qt.AspectRatioMode.KeepAspectRatio,
+                Qt.TransformationMode.SmoothTransformation,
+            )
+        )
+
     def display_error(self, message):
         QMessageBox.critical(self, "RTSP视频流错误", message)
         self.label.setText(f"错误: {message}")
         self.listen_button.setEnabled(True)  # 出错时重新启用按钮
-    
+
     def closeEvent(self, event):
-        if hasattr(self, 'stream') and self.stream:
+        if hasattr(self, "stream") and self.stream:
             self.stream.stop()
         super().closeEvent(event)
 
+
 if __name__ == "__main__":
     app = QApplication(sys.argv)
-    
+
     # 使用命令行参数指定RTSP URL
     rtsp_url = "rtsp://127.0.0.1:8554/stream"  # 默认URL
     if len(sys.argv) > 1:
         rtsp_url = sys.argv[1]
-    
+
     player = CameraInterface(rtsp_url)
     player.show()
     sys.exit(app.exec())
-