add old lci module

lci/src/mainCameraClient.py

@@ -0,0 +1,77 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+相机客户端Python实现
+功能：连接服务器接收YUYV格式视频流，转换为RGB并显示
+"""
+
+import socket
+import cv2
+import numpy as np
+import sys
+
+
+def main():
+    if len(sys.argv) != 3:
+        print(f"Usage: {sys.argv[0]} <server_ip> <port>")
+        return 1
+    
+    server_ip = sys.argv[1]
+    port = int(sys.argv[2])
+    
+    # 创建TCP套接字
+    sockfd = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    
+    try:
+        # 连接到服务器
+        sockfd.connect((server_ip, port))
+        print(f"Connected to server: {server_ip}:{port}")
+        
+        # 图像参数
+        WIDTH = 640
+        HEIGHT = 480
+        FRAME_BUFFER_SIZE = WIDTH * HEIGHT * 2  # YUYV格式：640x480，每个像素2字节
+        
+        # OpenCV窗口
+        cv2.namedWindow("Camera Stream", cv2.WINDOW_AUTOSIZE)
+        
+        frame_count = 0
+        while True:
+            # 接收帧数据
+            frame_buffer = b''
+            while len(frame_buffer) < FRAME_BUFFER_SIZE:
+                data = sockfd.recv(FRAME_BUFFER_SIZE - len(frame_buffer))
+                if not data:
+                    print("Server closed connection")
+                    return 0
+                frame_buffer += data
+            
+            print(f"Frame {frame_count + 1} received: {len(frame_buffer)} bytes")
+            frame_count += 1
+            
+            # 使用OpenCV处理YUYV帧
+            yuyv_frame = np.frombuffer(frame_buffer, dtype=np.uint8).reshape((HEIGHT, WIDTH, 2))
+            rgb_frame = cv2.cvtColor(yuyv_frame, cv2.COLOR_YUV2BGR_YUYV)
+            
+            # 显示帧
+            cv2.imshow("Camera Stream", rgb_frame)
+            
+            # 等待1ms，允许窗口刷新，同时检查是否按下ESC键退出
+            if cv2.waitKey(1) == 27:
+                print("ESC key pressed, exiting...")
+                break
+        
+    except Exception as e:
+        print(f"Error: {e}")
+        return 1
+    finally:
+        # 清理资源
+        sockfd.close()
+        cv2.destroyAllWindows()
+        print("Client exiting")
+    
+    return 0
+
+
+if __name__ == "__main__":
+    sys.exit(main())