项目初始化

cut.py

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+import cv2
+import time
+
+# RTSP流地址
+rtsp_url = "rtsp://admin:xkrs0425@172.16.20.15:554/D6/main/av_stream"
+
+# 通过opencv创建一个视频捕获对象
+cap = cv2.VideoCapture(rtsp_url)
+
+# 检查是否成功打开
+if not cap.isOpened():
+    print("Error: Could not open video stream from provided RTSP URL.")
+else:
+    print("Successfully opened RTSP stream, starting to capture frames...")
+
+    # 等待几秒让摄像头预热（可选）
+    time.sleep(2)
+
+    # 循环读取帧
+    while True:
+        ret, frame = cap.read()
+        if not ret:
+            print("Failed to grab frame")
+            break
+
+        # 显示当前帧（可选）
+        cv2.imshow('RTSP Stream', frame)
+
+        # 保存截图到文件
+        img_name = f"D:\\syg\\jk2\\frame_{int(time.time())}.png"
+        cv2.imwrite(img_name, frame)
+        print(f"{img_name} saved!")
+
+        # 按键检测，按下 'q' 键退出循环
+        if cv2.waitKey(1) & 0xFF == ord('q'):
+            break
+
+    # 结束后释放资源
+    cap.release()
+    cv2.destroyAllWindows()