提交代码

Author: cxhuan

xianhuan/README.md

@@ -10,6 +10,8 @@ Python技术 公众号文章代码库
 
 ## 实例代码
 
+[几行代码迅速提取音频，YYDS！](https://github.com/JustDoPython/python-examples/tree/master/xianhuan/extractaudio)：几行代码迅速提取音频，YYDS！
+
 [一行代码，生成和读取二维码！](https://github.com/JustDoPython/python-examples/tree/master/xianhuan/qrcode)：一行代码，生成和读取二维码！
 
 [用 Python 写最简单的摸鱼监控进程，你会吗？](https://github.com/JustDoPython/python-examples/tree/master/xianhuan/monitor)：用 Python 写最简单的摸鱼监控进程，你会吗？

xianhuan/extractaudio/demo.py

@@ -0,0 +1,26 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+@author: 闲欢
+"""
+#!/user/bin/env python
+# coding=utf-8
+
+from ffmpy import FFmpeg
+import os
+import uuid
+
+
+def extract(video_path: str, tmp_dir: str, ext: str):
+    file_name = '.'.join(os.path.basename(video_path).split('.')[0:-1])
+    print('文件名:{}，提取音频'.format(file_name))
+    return run_ffmpeg(video_path, os.path.join(tmp_dir, '{}.{}'.format(uuid.uuid4(), ext)), ext)
+
+def run_ffmpeg(video_path: str, audio_path: str, format: str):
+    ff = FFmpeg(inputs={video_path: None},
+                outputs={audio_path: '-f {} -vn'.format(format)})
+    ff.run()
+    return audio_path
+
+if __name__ == '__main__':
+    print(extract('C:/个人/视频/aaa.mp4', 'C:/个人/视频', 'wav'))