微信通话自动录音器

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写在前面 最近在电脑上跟人聊天时发现它不能像手机那样自动录音，找了一圈也没发现类似的软件。于是作为小白的我，在 AI 的帮助下完成了这个工具。如果你也有类似需求，希望这款微信通话自动录音器能帮到你。
软件简介
微信通话自动录音器 是一款支持 Windows 平台的桌面小工具，主要功能包括：

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  自动检测微信的通话窗口（支持语音 / 视频通话）
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  一旦检测到通话，自动开始录音，通话结束自动保存 mp3 文件
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  支持选择麦克风或虚拟声卡（推荐安装 VB-Audio Virtual Cable，可完整捕获 "你和对方" 的声音）
• 
  支持自定义录音保存路径

使用步骤

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  下载并解压本程序（建议放在英文路径下）
• 
  安装 FFmpeg（用于录音处理，详见下文）
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  安装虚拟声卡（推荐 VB-Audio Virtual Cable）
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  设置系统“侦听”功能（详见下文）
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  双击运行程序，选择输入设备与保存路径
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  最小化后可在系统托盘中运行，程序将自动录音

虚拟声卡安装方法

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  打开官网：[url=]https://vb-audio.com/Cable/[/url]
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  点击 Download 下载压缩包（如 VBCABLE_Driver_Pack43.zip）
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  解压后，右键以管理员身份运行 VBCABLE_Setup_x64.exe
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  点击 Install Driver 并按提示完成安装，重启电脑后生效

系统“侦听”功能设置（非常重要）

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  右键任务栏右下角喇叭图标 → 选择“声音设置”
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  点击右侧“更多声音设置” → 切换到“录制”标签页
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  找到要录音的设备（例如：“麦克风”、“CABLE Output” 等），右键 → 选择“属性”
• 
  切换到“侦听”标签页 → 勾选“侦听此设备”
• 
  播放设备选择你常用的扬声器或耳机（建议不要选虚拟声卡）
• 
  点击“应用” → “确定”

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495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 import os import sys import json import subprocess import threading import time import tkinter as tk from tkinter import ttk, filedialog, messagebox import pygetwindow as gw import pystray from PIL import Image, ImageDraw import logging import traceback from logging.handlers import TimedRotatingFileHandler import ctypes import webbrowser import glob import tempfile import shutil import stat   def check_single_instance():     mutex = ctypes.windll.kernel32.CreateMutexW(None, 1, "WechatRecorderMutex-ByNightingale")     last_error = ctypes.windll.kernel32.GetLastError()     if last_error == 183:         root = tk.Tk()         root.withdraw()         messagebox.showerror("已在运行", "微信通话自动录音器已经在运行，无法多开。")         sys.exit(0)   check_single_instance()   def resource_path(relative_path):     if hasattr(sys, '_MEIPASS'):         return os.path.join(sys._MEIPASS, relative_path)     return os.path.join(os.path.dirname(__file__), relative_path)   LOG_DIR = 'log' os.makedirs(LOG_DIR, exist_ok=True) log_file = os.path.join(LOG_DIR, 'wechat_recorder.log') handler = TimedRotatingFileHandler(     log_file,     when='midnight',     interval=1,     backupCount=30,     encoding='utf-8' ) handler.suffix = "%Y-%m-%d.log" logging.basicConfig(     handlers=[handler],     level=logging.DEBUG,     format='%(asctime)s - %(levelname)s - %(threadName)s - %(module)s.%(funcName)s:%(lineno)d - %(message)s' )   CONFIG_FILE = 'config.json' RECORDINGS_DIR = 'recordings' CALL_WINDOW_CLASSES = {"ILinkAudioWnd", "AudioWnd", "ILinkVoipTrayWnd"}   def get_window_class(hwnd):     buff = ctypes.create_unicode_buffer(256)     ctypes.windll.user32.GetClassNameW(hwnd, buff, 256)     return buff.value   def clean_test_recordings(save_path):     pattern = os.path.join(save_path, "测试录音_*.mp3")     for f in glob.glob(pattern):         try:             os.remove(f)             logging.info(f'清理残留测试录音文件：{f}')         except Exception:             logging.warning(f'无法清理测试录音文件（被占用？）：{f}')   class WeChatRecorder:     def __init__(self):         logging.debug('初始化 WeChatRecorder 实例')         self.load_config()         os.makedirs(self.config.get('save_path', os.path.abspath(RECORDINGS_DIR)), exist_ok=True)         clean_test_recordings(self.config.get('save_path', os.path.abspath(RECORDINGS_DIR)))         self.recording = False         self.recording_thread = None         self.input_device_map = {}         self.check_thread = threading.Thread(target=self.monitor_wechat_window, daemon=True, name='MonitorThread')         self.input_devices = []         self.ffmpeg_path = self.find_ffmpeg()         if not self.ffmpeg_path:             messagebox.showerror(                 "无法找到FFmpeg",                 "未检测到 ffmpeg.exe，请将其放入程序目录下的 ffmpeg_bin 文件夹，或安装到系统环境变量中。"             )             sys.exit(1)         self.setup_ui()         self.setup_tray_icon()         logging.info('程序启动完成，UI 和托盘初始化完成')       def find_ffmpeg(self):         try:             ffmpeg_path = os.path.join(os.path.dirname(sys.executable), 'ffmpeg.exe')             if os.path.exists(ffmpeg_path):                 logging.info(f"已找到同级 ffmpeg.exe: {ffmpeg_path}")                 return ffmpeg_path               # fallback：尝试系统环境变量             subprocess.run(["ffmpeg", "-version"], stdout=subprocess.PIPE, stderr=subprocess.PIPE, timeout=2)             logging.info("使用系统环境变量中的 ffmpeg")             return "ffmpeg"           except Exception as e:             logging.error(f"FFmpeg 检测失败: {e}")             return None       def load_config(self):         try:             if os.path.exists(CONFIG_FILE):                 with open(CONFIG_FILE, 'r', encoding='utf-8') as f:                     self.config = json.load(f)                 logging.debug(f'读取配置文件 {CONFIG_FILE}: {self.config}')             else:                 self.config = {                     'input_device': 'default',                     'save_path': os.path.abspath(RECORDINGS_DIR),                     'on_close': 'minimize'                 }                 logging.debug(f'未找到配置文件，使用默认配置: {self.config}')         except Exception as e:             logging.error(f'加载配置失败: {e}\n{traceback.format_exc()}')             self.config = {                 'input_device': 'default',                 'save_path': os.path.abspath(RECORDINGS_DIR),                 'on_close': 'minimize'             }       def save_config(self):         try:             with open(CONFIG_FILE, 'w', encoding='utf-8') as f:                 json.dump(self.config, f, indent=2, ensure_ascii=False)             logging.info(f'配置已保存到 {CONFIG_FILE}: {self.config}')         except Exception as e:             logging.error(f'保存配置失败: {e}\n{traceback.format_exc()}')       def get_audio_devices(self):         self.input_device_map = {}         input_display_names = []         try:             import sounddevice as sd             devices = sd.query_devices()             default_input = sd.default.device[0]             if default_input >= 0:                 default_prefix = devices[default_input]['name'].split('(')[0].strip()                 longest = ''                 for dev in devices:                     name = dev['name']                     if dev['max_input_channels'] > 0:                         prefix = name.split('(')[0].strip()                         if prefix == default_prefix and len(name) > len(longest):                             longest = name                 if not longest:                     longest = devices[default_input]['name']                 self.input_device_map['default'] = longest                 input_display_names.append('default (系统默认设备)')                 logging.info(f'系统默认输入设备用全称: {longest}')             name_prefix_map = {}             for dev in devices:                 name = dev['name']                 if dev['max_input_channels'] > 0:                     prefix = name.split('(')[0].strip()                     if (prefix not in name_prefix_map) or (len(name) > len(name_prefix_map[prefix])):                         name_prefix_map[prefix] = name             for name in sorted(name_prefix_map.values()):                 self.input_device_map[name] = name                 input_display_names.append(name)                 logging.info(f'最终输入设备: {name}')         except Exception as e:             logging.error(f'设备检测错误: {e}\n{traceback.format_exc()}')             input_display_names = ["default (系统默认设备)"]         logging.info(f'最终输入设备列表: {input_display_names}')         return input_display_names       def detect_virtual_cable(self):         for name in self.input_devices:             if "VB-Audio Virtual Cable" in name or "CABLE Output" in name or "CABLE Input" in name:                 return True         return False       def setup_ui(self):         logging.debug('初始化UI界面')         self.root = tk.Tk()         ico_path = resource_path('wechat_recorder.ico')         try:             self.root.iconbitmap(ico_path)         except Exception as e:             logging.warning(f'icon设置失败: {e}')         self.root.title('微信通话自动录音器--by夜莺')         self.root.geometry('480x380')         self.root.protocol("WM_DELETE_WINDOW", self.on_close)           frame = ttk.Frame(self.root, padding=10)         frame.pack(fill=tk.BOTH, expand=True)           self.input_devices = self.get_audio_devices()         has_virtual_cable = self.detect_virtual_cable()         if not has_virtual_cable:             top_notice = (                 "⚠️ 未检测到虚拟声卡，建议安装 [VB-Audio Virtual Cable] 以获得完整录音效果。\n"                 "请点击下方按钮打开官网下载页面，下载后手动安装（需管理员权限），安装成功后请重启本软件。"             )             lbl = ttk.Label(frame, text=top_notice, foreground="red", wraplength=450, justify="left")             lbl.pack(fill=tk.X, pady=(0, 5))             ttk.Button(frame, text='打开VB-Audio官方主页',                        command=lambda: webbrowser.open("https://vb-audio.com/Cable/")).pack(pady=2)           ttk.Label(frame, text='选择录音输入设备:').pack(anchor='w')         self.input_device_combo = ttk.Combobox(frame, values=self.input_devices, state='readonly')         self.input_device_combo.pack(fill=tk.X)         current_input = self.config.get('input_device', 'default')         if current_input == 'default' and 'default (系统默认设备)' in self.input_devices:             self.input_device_combo.set('default (系统默认设备)')         elif current_input in self.input_device_map and current_input in self.input_devices:             self.input_device_combo.set(current_input)         elif self.input_devices:             self.input_device_combo.set(self.input_devices[0])         logging.debug(f'当前选择的输入设备: {self.input_device_combo.get()}')           volume_frame = ttk.Frame(frame)         volume_frame.pack(fill=tk.X, pady=(6, 0))         ttk.Label(volume_frame, text='实时音量:').pack(side=tk.LEFT)         self.volume_progressbar = ttk.Progressbar(volume_frame, orient="horizontal", length=180, mode="determinate", maximum=100)         self.volume_progressbar.pack(side=tk.LEFT, padx=5)         self.volume_label = ttk.Label(volume_frame, text='0%')         self.volume_label.pack(side=tk.LEFT, padx=5)         self.test_record_btn = ttk.Button(volume_frame, text='播放录音', command=self.test_record_and_play)         self.test_record_btn.pack(side=tk.LEFT, padx=8)           self._monitor_volume = True         self._recording_in_progress = False         self.root.after(500, self.update_volume_bar)           ttk.Label(frame, text='录音保存路径:').pack(anchor='w', pady=(10, 0))         self.path_entry = ttk.Entry(frame)         self.path_entry.insert(0, self.config['save_path'])         self.path_entry.pack(fill=tk.X)         ttk.Button(frame, text='选择路径...', command=self.select_path).pack(pady=5)           self.minimize_var = tk.StringVar(value=self.config.get('on_close', 'minimize'))         ttk.Radiobutton(frame, text='最小化到托盘', variable=self.minimize_var, value='minimize').pack(anchor='w')         ttk.Radiobutton(frame, text='直接退出', variable=self.minimize_var, value='exit').pack(anchor='w')         ttk.Button(frame, text='保存设置', command=self.save_ui_config).pack(pady=10)       def update_volume_bar(self):         try:             import sounddevice as sd             import numpy as np               if getattr(self, '_recording_in_progress', False):                 self.volume_progressbar['value'] = 0                 self.volume_label['foreground'] = 'gray'                 self.volume_label['text'] = '录音中'             else:                 selected_name = self.input_device_combo.get()                 devices = sd.query_devices()                 matched_index = None                   for idx, dev in enumerate(devices):                     if selected_name in dev['name'] and dev['max_input_channels'] > 0:                         matched_index = idx                         break                   # 如果是“default (系统默认设备)”或找不到，就用默认设备                 if selected_name == 'default (系统默认设备)' or matched_index is None:                     matched_index = None                   fs = 16000                 duration = 0.07                 data = sd.rec(int(duration * fs), samplerate=fs, channels=1, device=matched_index, blocking=True)                 if data is not None and data.any():                     rms = float(np.sqrt(np.mean(np.square(data))))                     percent = min(int(rms * 4000), 100)                     self.volume_progressbar['value'] = percent                     self.volume_label['foreground'] = 'black'                     self.volume_label['text'] = f'{percent}%'                 else:                     self.volume_progressbar['value'] = 0                     self.volume_label['text'] = '0%'         except Exception as e:             import traceback             logging.warning(f'音量获取失败: {e}\n{traceback.format_exc()}')             self.volume_progressbar['value'] = 0             self.volume_label['foreground'] = 'black'             self.volume_label['text'] = '0%'         finally:             if getattr(self, '_monitor_volume', False):                 self.root.after(200, self.update_volume_bar)       def test_record_and_play(self):         from datetime import datetime           self.test_record_btn['state'] = tk.DISABLED         self.volume_label['text'] = '测试中'         self._recording_in_progress = True         self.root.update_idletasks()           timestamp = datetime.now().strftime('%Y-%m-%d_%H-%M-%S')         filename = os.path.join(             self.config.get('save_path', os.path.abspath(RECORDINGS_DIR)),             f'测试录音_{timestamp}.mp3'         )         selected_device = self.input_device_combo.get()         if selected_device == 'default (系统默认设备)':             input_name = self.input_device_map['default']         else:             input_name = selected_device           cmd = [             self.ffmpeg_path,             '-f', 'dshow', '-i', f'audio={input_name}',             '-t', '5',             '-acodec', 'libmp3lame',             '-y', filename         ]         logging.info(f"测试录音命令: {' '.join(cmd)}")         def record_and_play():             try:                 p = subprocess.Popen(                     cmd,                     stdout=subprocess.PIPE,                     stderr=subprocess.PIPE,                     creationflags=getattr(subprocess, 'CREATE_NO_WINDOW', 0)                 )                 p.wait()                 if os.path.exists(filename):                     os.startfile(filename)                 else:                     messagebox.showerror("测试录音失败", "未生成录音文件，请检查设备和设置。")             except Exception as e:                 messagebox.showerror("测试录音失败", f"录音失败：{e}")             finally:                 time.sleep(1)                 self.test_record_btn['state'] = tk.NORMAL                 self._recording_in_progress = False                 self.volume_label['text'] = '0%'           threading.Thread(target=record_and_play, daemon=True).start()       def setup_tray_icon(self):         logging.debug('初始化托盘图标')         try:             icon_path = resource_path('wechat_recorder.ico')             image = Image.open(icon_path)         except Exception:             image = Image.new('RGB', (64, 64), color='white')             draw = ImageDraw.Draw(image)             draw.rectangle((8, 20, 56, 44), fill='black')         self.icon = pystray.Icon(             "wechat_recorder",             image,             "微信自动录音器",             menu=pystray.Menu(                 pystray.MenuItem('打开设置', self.show_window),                 pystray.MenuItem('退出', self.quit_app)             )         )       def select_path(self):         path = filedialog.askdirectory()         if path:             logging.info(f'用户选择保存路径: {path}')             self.path_entry.delete(0, tk.END)             self.path_entry.insert(0, path)       def save_ui_config(self):         selected_input = self.input_device_combo.get()         self.config['input_device'] = 'default' if selected_input == 'default (系统默认设备)' else selected_input         self.config['save_path'] = self.path_entry.get()         self.config['on_close'] = self.minimize_var.get()         self.save_config()         messagebox.showinfo("提示", "设置已保存")         logging.info(f"保存配置: 输入设备={self.config['input_device']} 路径={self.config['save_path']}")       def on_close(self):         if self.minimize_var.get() == 'minimize':             self.root.withdraw()             if not self.icon.visible:                 threading.Thread(target=self.icon.run, name='TrayThread', daemon=True).start()             logging.info("窗口最小化到托盘")         else:             self.quit_app()       def show_window(self, *args):         logging.info('显示主窗口')         try:             self.root.deiconify()         except Exception as e:             logging.warning(f'主窗口显示异常: {e}')       def quit_app(self, *args):         logging.info('接收到退出请求，准备退出')         try:             if hasattr(self, "icon") and self.icon.visible:                 self.icon.stop()         except Exception as e:             logging.warning(f'托盘退出异常: {e}')         try:             self.root.destroy()         except Exception as e:             logging.warning(f'窗口销毁异常: {e}')         logging.info("程序退出")         os._exit(0)       def monitor_wechat_window(self):         logging.debug('启动微信窗口监控线程')         while True:             try:                 all_windows = gw.getAllWindows()                 in_call = False                 for w in all_windows:                     try:                         cls = get_window_class(w._hWnd)                         if cls in CALL_WINDOW_CLASSES:                             in_call = True                             break                     except Exception:                         continue                 logging.info(f"检测窗口: {'在通话' if in_call else '未通话'}，录音状态: {self.recording}")                 if in_call and not self.recording:                     logging.debug('检测到通话窗口出现，准备开始录音')                     self.start_recording()                 elif not in_call and self.recording:                     logging.debug('检测到通话窗口关闭，准备停止录音')                     self.stop_recording()                 time.sleep(1)             except Exception as e:                 logging.error(f"监控微信窗口时出错: {e}\n{traceback.format_exc()}")                 time.sleep(5)       def start_recording(self):         try:             timestamp = time.strftime('%Y-%m-%d_%H-%M-%S')             filename = os.path.join(self.config['save_path'], f'wechat_call_{timestamp}.mp3')             self.last_record_file = filename             selected_device = self.input_device_combo.get()             if selected_device == 'default (系统默认设备)':                 input_name = self.input_device_map['default']             else:                 input_name = selected_device             cmd = [                 self.ffmpeg_path,                 '-f', 'dshow', '-i', f'audio={input_name}',                 '-acodec', 'libmp3lame',                 '-y', filename             ]             logging.info(f"本次录音命令为: {' '.join(cmd)}")             self.recording = True             self._recording_in_progress = True             self.volume_label['foreground'] = 'gray'             self.volume_label['text'] = '录音中'             self.volume_progressbar['value'] = 0             self.recording_thread = subprocess.Popen(                 cmd,                 stdout=subprocess.PIPE,                 stderr=subprocess.PIPE,                 stdin=subprocess.PIPE,                 creationflags=getattr(subprocess, 'CREATE_NO_WINDOW', 0)             )             logging.info(f"录音进程已启动: {filename}")         except Exception as e:             logging.error(f"开始录音失败: {e}\n{traceback.format_exc()}")             self.recording = False             self._recording_in_progress = False       def stop_recording(self):         if self.recording_thread:             try:                 if self.recording_thread.stdin:                     try:                         self.recording_thread.stdin.write(b'q\n')                         self.recording_thread.stdin.flush()                     except Exception as e:                         logging.warning(f'向ffmpeg发送q命令异常: {e}')                 self.recording_thread.wait(timeout=5)                 logging.info('录音进程已成功终止')                 try:                     stdout, stderr = self.recording_thread.communicate(timeout=2)                     if stdout:                         logging.info(f'ffmpeg stdout: {stdout.decode("utf-8", "ignore")}')                     if stderr:                         logging.info(f'ffmpeg stderr: {stderr.decode("utf-8", "ignore")}')                 except Exception as e:                     logging.warning(f'获取ffmpeg输出异常: {e}')             except Exception as e:                 logging.warning(f"终止录音进程失败: {e}\n{traceback.format_exc()}")             finally:                 self.recording_thread = None         if hasattr(self, 'last_record_file'):             if os.path.exists(self.last_record_file):                 logging.info(f"录音文件已生成: {self.last_record_file}")             else:                 logging.error(f"录音进程结束但未发现录音文件: {self.last_record_file}")         self.recording = False         self._recording_in_progress = False         self.volume_label['foreground'] = 'black'         self.update_volume_bar()         logging.info("录音结束")       def run(self):         logging.info('启动主线程，进入主循环')         self.check_thread.start()         self.root.mainloop()   if __name__ == '__main__':     app = WeChatRecorder()     app.run() 最后 这个工具比较小众，但希望它能帮到你。如果你也有自己的“小需求”，不妨动手试试。哪怕不全懂，有 AI 帮助，一切都变得简单了起来。 本工具纯属个人学习作品，尚未支持多线程录音、静音检测等高级功能，请酌情使用。如遇问题，欢迎理性反馈或共同改进。