Facebook开发高效持久键值存储RocksDB 资源-CSDN下载

import tkinter as tk from tkinter import ttk, messagebox from PIL import Image, ImageTk import cv2 import threading import queue import time import os class VideoStreamApp: def init(self, root): self.root = root self.root.title("工牌识别打卡系统") self.root.geometry("1000x600") self.root.configure(bg="#f0f0f0") # 创建样式 self.style = ttk.Style() self.style.configure("Title.TLabel", font=("微软雅黑", 16, "bold"), foreground="#2c3e50") self.style.configure("Info.TLabel", font=("微软雅黑", 12), foreground="#34495e") self.style.configure("Control.TFrame", background="#e0e0e0", borderwidth=1, relief="sunken") # 顶部控制栏 control_frame = ttk.Frame(root, padding=10, style="Control.TFrame") control_frame.pack(fill=tk.X, padx=10, pady=10) admin_frame = ttk.Frame(root, padding=10, style="Control.TFrame") admin_frame.pack(fill=tk.X, padx=10, pady=10) # URL输入框 ttk.Label(control_frame, text="视频流URL:").pack(side=tk.LEFT, padx=(0, 5)) self.url_entry = ttk.Entry(control_frame, width=50) self.url_entry.pack(side=tk.LEFT, fill=tk.X, expand=True, padx=(0, 10)) self.url_entry.insert(0, "rtsp://tapocam:[email protected]/stream1") # # 起止时间输入框 # self.startlabel = ttk.Label(admin_frame, text="起始时间:").pack(side=tk.LEFT, padx=(0, 5)) # self.starttime = ttk.Entry(admin_frame, width=50) # self.starttime.pack(side=tk.LEFT, fill=tk.X, expand=True, padx=(0, 10)) # self.starttime.insert(0, "start") # self.starttime.pack_forget() # self.endlabel = ttk.Label(admin_frame, text="结束时间:").pack(side=tk.LEFT, padx=(0, 5)) # self.endtime = ttk.Entry(admin_frame, width=50) # self.endtime.pack(side=tk.LEFT, fill=tk.X, expand=True, padx=(0, 10)) # self.endtime.insert(0, "end") # self.endtime.pack_forget() # 连接按钮 self.connect_button = ttk.Button(control_frame, text="连接", command=self.toggle_connection) self.connect_button.pack(side=tk.LEFT, padx=(0, 5)) # 停止按钮 self.stop_button = ttk.Button(control_frame, text="停止", command=self.stop_stream, state=tk.DISABLED) self.stop_button.pack(side=tk.LEFT) # #管理按钮start # self.admin_button = ttk.Button(control_frame, text="管理", command=self.toggle_connection) # self.admin_button.pack(side=tk.LEFT, padx=(0, 5)) # 主体内容区域 main_frame = ttk.Frame(root) main_frame.pack(fill=tk.BOTH, expand=True, padx=10, pady=5) # 视频流显示区域 (左侧) video_frame = ttk.LabelFrame(main_frame, text="视频流", width=400,height=300) video_frame.pack(side=tk.LEFT, fill=tk.BOTH, expand=True, padx=(0, 10)) video_frame.pack_propagate(False) self.video_label = ttk.Label(video_frame) self.video_label.pack(fill=tk.BOTH, expand=True) # 员工信息区域 (右侧) info_frame = ttk.LabelFrame(main_frame, text="员工信息", padding=10, width=300) info_frame.pack(side=tk.RIGHT, fill=tk.Y, padx=(10, 0)) # 头像显示 avatar_frame = ttk.Frame(info_frame) avatar_frame.pack(pady=20) self.avatar_label = ttk.Label(avatar_frame) self.avatar_label.pack() # 信息标签 info_labels_frame = ttk.Frame(info_frame) info_labels_frame.pack(pady=20, fill=tk.X) # 姓名标签 self.name_label = ttk.Label(info_labels_frame, text="姓名: ", style="Info.TLabel") self.name_label.pack(anchor=tk.W, padx=10, pady=5) # 工号标签 self.id_label = ttk.Label(info_labels_frame, text="工号: ", style="Info.TLabel") self.id_label.pack(anchor=tk.W, padx=10, pady=5) # 部门标签 self.dept_label = ttk.Label(info_labels_frame, text="部门: ", style="Info.TLabel") self.dept_label.pack(anchor=tk.W, padx=10, pady=5) # 状态栏 self.status_var = tk.StringVar(value="就绪") status_bar = ttk.Label(root, textvariable=self.status_var, relief=tk.SUNKEN, anchor=tk.W) status_bar.pack(side=tk.BOTTOM, fill=tk.X) # 初始化变量 self.stream_active = False self.cap = None self.frame_queue = queue.Queue(maxsize=1) # 只保留最新帧 self.employee_data = { "name": "张三", "id": "1001", "dept": "技术部", "avatar": "avatar.jpg" } # 显示初始员工信息 self.display_employee_info() # 设置定时器更新视频显示 self.update_video_display() def display_employee_info(self): """显示员工信息""" # 显示文本信息 self.name_label.config(text=f"姓名: {self.employee_data['name']}") self.id_label.config(text=f"工号: {self.employee_data['id']}") self.dept_label.config(text=f"部门: {self.employee_data['dept']}") # 显示头像 try: avatar_path = self.employee_data['avatar'] if os.path.exists(avatar_path): img = Image.open(avatar_path) img = img.resize((150, 150), Image.LANCZOS) photo = ImageTk.PhotoImage(img) self.avatar_label.config(image=photo) self.avatar_label.image = photo # 保持引用 else: # 创建默认头像 default_img = Image.new('RGB', (150, 150), color='#3498db') default_photo = ImageTk.PhotoImage(default_img) self.avatar_label.config(image=default_photo) self.avatar_label.image = default_photo except Exception as e: print(f"头像加载错误: {e}") def toggle_connection(self): """切换连接状态""" if self.stream_active: self.stop_stream() else: self.start_stream() def start_stream(self): """开始视频流捕获""" url = self.url_entry.get().strip() if not url: messagebox.showerror("错误", "请输入有效的视频流URL") return try: # 创建视频捕获对象 self.cap = cv2.VideoCapture(url) if not self.cap.isOpened(): raise Exception("无法打开视频流") # 启动视频捕获线程 self.stream_active = True self.capture_thread = threading.Thread(target=self.capture_frames, daemon=True) self.capture_thread.start() # 更新UI状态 self.connect_button.config(text="断开") self.stop_button.config(state=tk.NORMAL) self.status_var.set(f"正在连接: {url}") except Exception as e: messagebox.showerror("连接错误", f"无法连接到视频流: {str(e)}") self.status_var.set("连接失败") def stop_stream(self): """停止视频流捕获""" self.stream_active = False if self.cap: self.cap.release() self.cap = None # 更新UI状态 self.connect_button.config(text="连接") self.stop_button.config(state=tk.DISABLED) self.status_var.set("已停止视频流") # 清空视频显示 self.video_label.config(image='') def capture_frames(self): """在独立线程中捕获视频帧""" while self.stream_active and self.cap and self.cap.isOpened(): try: ret, frame = self.cap.read() if not ret: self.status_var.set("视频流中断") break # 将帧放入队列（如果队列已满则替换） if self.frame_queue.full(): self.frame_queue.get_nowait() self.frame_queue.put(frame) except Exception as e: self.status_var.set(f"捕获错误: {str(e)}") break # 清理 if self.cap: self.cap.release() self.cap = None def update_video_display(self): """更新视频显示（在主线程中调用）""" try: # 从队列获取最新帧 if not self.frame_queue.empty(): frame = self.frame_queue.get_nowait() # 转换帧格式 frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB) img = Image.fromarray(frame) # 调整大小以适应显示区域 video_width = self.video_label.winfo_width() or 640 video_height = self.video_label.winfo_height() or 480 if video_width > 0 and video_height > 0: img = img.resize((video_width, video_height), Image.LANCZOS) photo = ImageTk.PhotoImage(image=img) # 更新显示 self.video_label.config(image=photo) self.video_label.image = photo # 保持引用 # 更新状态 fps = self.cap.get(cv2.CAP_PROP_FPS) if self.cap else 0 self.status_var.set(f"已连接 | 帧率: {fps:.1f} fps | 分辨率: {frame.shape[1]}x{frame.shape[0]}") except queue.Empty: pass # 没有新帧 except Exception as e: self.status_var.set(f"显示错误: {str(e)}") # 每15ms调用一次（约66fps） self.root.after(30, self.update_video_display) if name == "main": root = tk.Tk() app = VideoStreamApp(root) root.mainloop() 根据以上代码，再写一版代码，实现vlc拉流，以及显示员工工号信息和照片等，换个布局

<think>我们使用VLC的Python绑定来拉取视频流。首先需要安装python-vlc库：`p......

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