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作者：zhu6201976

一、moviepy实现视频转音频

github地址：GitHub - Zulko/moviepy: Video editing with Python

二、示例代码

"""
@Time    : 2024-04-15 20:02
@Author  : Tesla
@File    : 视频转音频.py
@Description :1.方式1 https://github.com/Zulko/moviepy -> 推荐 510M转换耗时 112秒=2分钟 大小98M
MoviePy can read and write all the most common audio and video formats, including GIF, and runs on Windows/Mac/Linux, with Python 3.6+
pip install moviepy2.方式2 特殊格式如m3u8 ffmpeg"""
import timefrom moviepy.editor import *def test1():"""先读取mp4 再提取音频cost time 112.1316225528717"""# 输入视频文件路径video_path = r"D:\softbackup\mo_tt13394304.mp4"# 输出音频文件路径audio_path = r"D:\softbackup\mo_tt13394304.mp3"# 加载视频video = VideoFileClip(video_path)# 提取音频audio = video.audio# 保存音频audio.write_audiofile(audio_path)print(f"转换完成，音频文件保存在 {audio_path}")def test2():"""直接将mp4文件当成mp3文件读取 省略过程cost time 113.1316225528717"""# 输入视频文件路径video_path = r"D:\softbackup\mo_tt13394304.mp4"# 输出音频文件路径audio_path = r"D:\softbackup\mo_tt13394304.mp3"# 加载视频audio = AudioFileClip(video_path)# 保存音频audio.write_audiofile(audio_path)print(f"转换完成，音频文件保存在 {audio_path}")if __name__ == '__main__':s = time.time()# test1()test2()e = time.time()print(f'cost time {e - s}')