问题描述
我正在尝试使用 moviepy 编辑我的视频。当我想剪掉它的一部分时,我得到错误:
AttributeError: 'str' object has no attribute 'duration'
为什么?
from moviepy.editor import *
clip0 = VideoFileClip('08.mkv')
clip0 = clip0.set_audio(f'../Rus_sound/08.mkv'[:-3] + 'mp3')
end = 0
start = 0
lista = [0.4,0.6]
movie1 = '08.mkv'
movie2 = '../Bubble_Background_Video3.mp4'
clip0 = VideoFileClip(movie1)
audio = f'../Rus_sound/{movie1}'[:-3] + 'mp3'
clip1 = clip0.set_audio(audio)
w = clip1.w
h = clip1.h
fps = clip1.fps
clip2 = VideoFileClip(movie2).resize(height=h,width=w).set_fps(fps)
durata = clip1.duration - end
lista = [start] + [i*durata for i in lista ] + [durata]
stocked = []
for i in range(1,len(lista)):
o = i-1
clip = clip1.subclip(lista[o],lista[i])
stocked.append(clip)
if i != len(lista)-1:
stocked.append(clip2)
clip = concatenate_videoclips(stocked,method='compose')
这是我的错误回溯:
---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
<ipython-input-11-42faa818ba3e> in <module>
----> 1 clip = clip1.subclip(0,449.241)
<decorator-gen-152> in subclip(self,t_start,t_end)
~/Anaconda3/lib/python3.8/site-packages/moviepy/decorators.py in wrapper(f,*a,**kw)
87 new_kw = {k: fun(v) if k in varnames else v
88 for (k,v) in kw.items()}
---> 89 return f(*new_a,**new_kw)
90 return decorator.decorator(wrapper)
91
<decorator-gen-151> in subclip(self,t_end)
~/Anaconda3/lib/python3.8/site-packages/moviepy/decorators.py in apply_to_mask(f,clip,**k)
27 the clip created with f """
28
---> 29 newclip = f(clip,**k)
30 if getattr(newclip,'mask',None):
31 newclip.mask = f(newclip.mask,**k)
<decorator-gen-150> in subclip(self,t_end)
~/Anaconda3/lib/python3.8/site-packages/moviepy/decorators.py in apply_to_audio(f,**k)
41 newclip = f(clip,**k)
42 if getattr(newclip,'audio',None):
---> 43 newclip.audio = f(newclip.audio,**k)
44 return newclip
45
~/Anaconda3/lib/python3.8/site-packages/moviepy/Clip.py in subclip(self,t_end)
382 t_start = self.duration + t_start # Remember t_start is negative
383
--> 384 if (self.duration is not None) and (t_start > self.duration):
385 raise ValueError("t_start (%.02f) " % t_start +
386 "should be smaller than the clip's " +
AttributeError: 'str' object has no attribute 'duration'
解决方法
这里的问题(如果您阅读文档就会很清楚)是 set_audio
函数不接受字符串。它需要一个 AudioFileClip
对象。 moviepy
足够聪明,不会在那个时候做实际的工作;它只会记住您想要的音频。稍后,当您尝试使用该剪辑时,它会尝试查找音频文件的持续时间,并在它期望对象的位置找到一个字符串。
clip1 = clip0.set_audio(AudioFileClip(audio))