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+# Camera Stream
+
+A Python tool for managing and streaming MF500 cameras.
+
+## Features Overview
+
+- **Device SN Management**: Reads device serial numbers from the `device_sn.txt` file
+- **Camera Discovery**: Automatically detects and identifies MF500 camera devices
+- **Connection Testing**: Tests the connection status of a single camera
+- **Multi-stream Management**: Supports simultaneous streaming of multiple cameras
+- **Process Cleanup**: Automatically cleans up related processes with signal handling
+
+## Core Functions
+
+| Function | Description |
+|----------|-------------|
+| `get_device_sn()` | Retrieves device serial numbers from file |
+| `find_mf500_cameras()` | Discovers MF500 camera devices |
+| `test_camera_connection(camera_name)` | Tests connectivity of a specified camera |
+| `stream_single_camera(camera_name, stream_id, device_sn)` | Streams a single camera |
+| `stream_all_cameras()` | Streams all discovered cameras |
+| `cleanup_processes()` | Cleans up related processes |
+| `signal_handler(signum, frame)` | Signal handling function |
+
+## Dependencies
+
+- Python 3.x
+- MF500 Camera SDK/Driver
+
+## Usage
+
+### 1. Configure Device Serial Numbers
+
+Enter the device serial numbers in the `device_sn.txt` file, one per line.
+
+### 2. Start Streaming
+
+```python
+# Stream all cameras
+stream_all_cameras()
+
+# Stream a single camera
+stream_single_camera("camera_name", "stream_id", "device_sn")
+```
+
+### 3. Test Connection
+
+```python
+test_camera_connection("camera_name")
+```
+
+## Notes
+
+- Ensure the MF500 camera driver is properly installed before use
+- Make sure the `device_sn.txt` file exists and is correctly formatted
+- The program supports Ctrl+C interruption and automatically cleans up related processes
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+
+
+I apologize for the technical difficulties. Based on the code map you provided, I can create a README.md file for this camera streaming project.
+
+---
+
+# Camera Stream
+
+用于管理和流式传输 MF500 相机的 Python 工具。
+
+## 功能概述
+
+- **设备 SN 管理**：从 `device_sn.txt` 文件读取设备序列号
+- **相机发现**：自动查找并识别 MF500 相机设备
+- **连接测试**：测试单个相机的连接状态
+- **多路流管理**：支持同时流式传输多个相机
+- **进程清理**：自动清理相关进程，支持信号处理
+
+## 核心函数
+
+| 函数 | 描述 |
+|------|------|
+| `get_device_sn()` | 从文件获取设备序列号 |
+| `find_mf500_cameras()` | 查找 MF500 相机设备 |
+| `test_camera_connection(camera_name)` | 测试指定相机的连接 |
+| `stream_single_camera(camera_name, stream_id, device_sn)` | 流式传输单个相机 |
+| `stream_all_cameras()` | 流式传输所有相机 |
+| `cleanup_processes()` | 清理相关进程 |
+| `signal_handler(signum, frame)` | 信号处理函数 |
+
+## 依赖
+
+- Python 3.x
+- MF500 相机 SDK/驱动
+
+## 使用方法
+
+### 1. 配置设备序列号
+
+在 `device_sn.txt` 文件中填写设备的序列号，每行一个。
+
+### 2. 运行流传输
+
+```python
+# 流式传输所有相机
+stream_all_cameras()
+
+# 流式传输单个相机
+stream_single_camera("camera_name", "stream_id", "device_sn")
+```
+
+### 3. 测试连接
+
+```python
+test_camera_connection("camera_name")
+```
+
+## 注意事项
+
+- 使用前请确保已正确安装 MF500 相机驱动
+- 确保 `device_sn.txt` 文件存在且格式正确
+- 程序支持 Ctrl+C 中断并自动清理相关进程
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