moviepy对视频中音频的提取、删除、添加
提取视频中的音频
from moviepy.editor import *
video_path = 'my_video.avi' #视频地址
audio_path = 'my_audio.mp3' #提取音频保存位置
video = VideoFileClip(video_path)
video.audio.write_audiofile(audio_path)
将一段视频中的音频删除，保存为无声视频
old_video = '有声音.avi'
new_video = '无声音.avi'
video = VideoFileClip(old_video)
video = video.without_audio() #删除声音，返回新的视频对象，原有对象不更改
video.write_videofile(new_video)给一段没有声音的视频添加音频
old_video = '无声音.avi'
mp3path = 'audio.mp3'
new_video = '有声音.avi'
video = VideoFileClip(video_path)
audio_clip = AudioFileClip(mp3path)
video = video.set_audio(audio_clip)
video.write_videofile(new_video)