RK3588板端上接摄像头，采集画面，通过网口实时传输给上位机并显示。
第一代版本
RK3588代码
import cv2
import socket
import struct# 配置
SERVER_IP = '192.168.137.1' # 上位机的IP地址
PORT = 5000 # 端口号# 创建一个socket对象
client_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)# 打开摄像头
cap = cv2.VideoCapture(23)if not cap.isOpened():print("无法打开摄像头")exit()while True:# 读取摄像头帧ret, frame = cap.read()if not ret:print("无法读取帧")breakframe = cv2.resize(frame,(320,240))# 对帧进行编码encoded, buffer = cv2.imencode('.jpg', frame)if not encoded:print("编码帧失败")break# 发送数据data = buffer.tobytes()print(len(data))print(len(struct.pack('L', len(data))))print(struct.pack('L', len(data)))# 发送数据大小client_socket.sendto(struct.pack('L', len(data)), (SERVER_IP, PORT))# 发送数据client_socket.sendto(data, (SERVER_IP, PORT))# 释放资源
cap.release()
client_socket.close()
上位机代码（windows系统）
import cv2
import socket
import numpy as np# 配置
PORT = 5000 # 端口号# 创建一个socket对象
server_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
server_socket.bind(('0.0.0.0', PORT))# 创建窗口并设置为全屏模式
cv2.namedWindow('Video Stream', cv2.WND_PROP_FULLSCREEN)
cv2.setWindowProperty('Video Stream', cv2.WND_PROP_FULLSCREEN, cv2.WINDOW_FULLSCREEN)while True:# 接收数据大小data_size, _ = server_socket.recvfrom(8)# 接收的视频数据长度data_size = int.from_bytes(data_size, byteorder='little')# 接收视频数据data, _ = server_socket.recvfrom(data_size)# 解码np_data = np.frombuffer(data, dtype=np.uint8)frame = cv2.imdecode(np_data, cv2.IMREAD_COLOR)if frame is None:print("解码帧失败")continue# 显示帧cv2.imshow('Video Stream', frame)if cv2.waitKey(1) & 0xFF == ord('q'):break# 释放资源
server_socket.close()
cv2.destroyAllWindows()
测试视频
遗留问题：视频每帧只能一次传输完毕，且每帧的大小不能过大，不然会报错。
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