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207 lines
8.0 KiB
207 lines
8.0 KiB
import socket
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import threading
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from ultralytics import YOLO
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import ffmpegcv
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import cv2
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import time
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import ctypes
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import json
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# 加载YOLOv8模型
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model = YOLO("yolov8n.pt") # yolov8i默认目标检测（i= n,m,l,x）尾缀有-pose,-seg
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print("模型加载成功")
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isconnected = False
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data_thread = None
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count = 1
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# 1.创建一个udp套接字
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udp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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# 假设你的文本文件每行都是由空格分隔的数据项，且你想将这些数据以某种结构处理（这里仅作演示，实际情况可能需要调整）
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def read_and_process_txt(file_path):
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processed_data = []
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with open(file_path, "r") as file:
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for line in file:
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# 去除每行末尾的换行符
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line = line.strip()
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# 按空格分割每行
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items = line.split()
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# 这里简单地将分割后的数据作为一个列表加入到结果列表中
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# 实际应用中，你可能需要根据具体数据结构进行更复杂的处理
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processed_data.append(items)
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# 如果你确实需要将这些数据转换为JSON，可能需要构造一个合适的结构
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# 例如，如果你的文本文件每行代表一个对象的属性，你可能需要构建字典
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# 下面是一个假设的例子，将每行转换为字典并尝试转为JSON字符串
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json_data = {items[0]: items[1] for items in processed_data}
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try:
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return json_data
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except TypeError as e:
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print(f"Error converting to JSON: {e}")
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config = read_and_process_txt("./config.txt")
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def stop_thread(thread):
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"""尝试强制停止一个线程"""
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if not thread.is_alive():
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return
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tid = ctypes.c_long(thread.ident)
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res = ctypes.pythonapi.PyThreadState_SetAsyncExc(tid, ctypes.py_object(SystemExit))
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if res == 0:
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raise ValueError("线程可能已经终止")
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elif res > 1:
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# 如果返回值大于1，说明有多个线程ID与给定ID相同，需要清理
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ctypes.pythonapi.PyThreadState_SetAsyncExc(tid, None)
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raise SystemError("未知错误")
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# 定义发送数据的函数
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def send_data(client_socket, video_path1, yasuo=90, confident=0.8, udpPort=8967):
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global count
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global udp_socket
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print("第" + str(count) + "次连接" + " " + video_path1)
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count += 1
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global isconnected
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cap = ffmpegcv.ReadLiveLast(ffmpegcv.VideoCaptureStreamRT, video_path1) # 不缓存
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print("第" + str(count - 1) + "次连接" + " " + video_path1 + "成功")
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isconnected = True
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frame_rate_divider = 8 # 设置帧率除数
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frame_count = 0 # 初始化帧计数器
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while True:
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try:
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ret, frame = cap.read()
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if ret:
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frameCopy = frame.copy()
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# 在该帧上运行YOLOv8推理
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if frame_count % frame_rate_divider == 0:
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# 获取处理结果
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texts = []
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results = model(frame)
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data = results[0].boxes.data
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# 解析检测结果
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for i in range(data.shape[0]):
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label_id = int(data[i, 5])
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label = results[0].names[label_id]
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confidence = float(data[i, 4])
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bbox = data[i, :4]
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texts.append(
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{
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"label": label,
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"confidence": confidence,
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"bbox": "({:.2f}, {:.2f}, {:.2f}, {:.2f})".format(
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bbox[0], bbox[1], bbox[2], bbox[3]
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),
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}
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)
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frame_count += 1 # 更新帧计数器
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personList = []
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# 处理结果转换为图片
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for text in texts:
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if text["label"] == "person" and text["confidence"] > confident:
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personList.append(text)
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bbox = eval(text["bbox"])
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cv2.rectangle(
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frameCopy,
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(int(bbox[0]), int(bbox[1])),
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(int(bbox[2]), int(bbox[3])),
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(255, 0, 0),
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2,
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)
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cv2.putText(
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frameCopy,
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f"person:{'%.2f' % text['confidence']}",
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(int(bbox[0]) + 5, int(bbox[1]) + 25),
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cv2.FONT_HERSHEY_SIMPLEX,
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1,
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(255, 0, 0),
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2,
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)
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if len(personList) != 0:
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message_bytes = json.dumps(personList).encode("utf-8")
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udp_socket.sendto(message_bytes, ("127.0.0.1", udpPort))
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_, img_buffer = cv2.imencode(
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".jpg", frameCopy, [cv2.IMWRITE_JPEG_QUALITY, yasuo]
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)
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client_socket.sendall(img_buffer)
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# 如果按下'q'则中断循环
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if cv2.waitKey(1) & 0xFF == ord("q"):
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break
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else:
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isconnected = False
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except BrokenPipeError:
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# 当客户端断开连接时，发送数据会抛出 BrokenPipeError
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print("Client disconnected. Stopping data sending.")
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break
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except Exception as e:
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print(f"An error occurred while sending data: {e}")
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break
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def continue_start(client_socket, video_path1, yasuo, confident, udpPort):
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while True:
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time.sleep(5)
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global isconnected
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global data_thread
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global count
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if isconnected == False:
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print("已断开正在尝试第" + str(count) + "次连接" + " " + video_path1)
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stop_thread(data_thread)
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data_thread = threading.Thread(
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target=send_data,
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args=(client_socket, video_path1, yasuo, confident, udpPort),
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daemon=True,
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)
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data_thread.start()
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def main(video_path1, port=8965, yasuo=90, confident=0.8, udpPort=8967):
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global data_thread
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# host = "192.168.1.194" # 服务器 IP 地址，这里使用 localhost
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host = "127.0.0.1" # 服务器 IP 地址，这里使用 localhost
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# 创建 TCP 服务器套接字
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server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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# 绑定服务器地址和端口
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server_socket.bind((host, port))
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# 开始监听连接，最大连接队列长度为 5
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server_socket.listen(5)
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print(f"Server listening on {host}:{port}.")
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# 接受客户端连接请求
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while True:
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client_socket, client_addr = server_socket.accept()
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print(f"Accepted connection from {client_addr[0]}:{client_addr[1]}.")
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# 创建并启动发送数据的线程
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data_thread = threading.Thread(
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target=send_data,
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args=(client_socket, video_path1, yasuo, confident, udpPort),
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daemon=True,
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)
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data_thread.start()
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# 在这里可以处理其他客户端逻辑，如接收客户端数据等
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# ...
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time.sleep(1)
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data_thread2 = threading.Thread(
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target=continue_start,
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args=(client_socket, video_path1, yasuo, confident, udpPort),
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)
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data_thread2.start()
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# 如果需要在某个条件满足时关闭连接，可以在此处添加相应代码
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# ...
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# 关闭客户端连接
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# client_socket.close()
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# print(f"Connection from {client_addr[0]}:{client_addr[1]} conneted.")
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if __name__ == "__main__":
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# rtsp流
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video_path = config["rtsp2"]
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# 本地启动端口
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port = int(config["tcpPort2"])
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# 压缩率
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yasuo = int(config["yasuolv2"])
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confident = float(config["confidence2"])
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udpPort = int(config["udpPort2"])
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main(video_path, port, yasuo, confident, udpPort)
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