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MoviePy Composite Video – Setting starting time of single clip
  • Last Updated : 01 Aug, 2020

In this article we will see how we can set starting time of single clip in composite video file in MoviePy. MoviePy is a Python module for video editing, which can be used for basic operations on videos and GIF’s. Meaning of composite is combining different elements, composite video is the combination of different video clips unlike stacking and concatination of video files composite files are easy to implement but complex structure. Composite file combine the clips over one another and get played at same time, position and timing of video playback can be set any time.

In order to do this we will use set_start method with the VideoFileClip object

Syntax : clip.set_start(n)

Argument : It takes integer as argument

Return : It returns VideoFileClip object



Below is the implementation




# Import everything needed to edit video clips
from moviepy.editor import *
   
# loading video dsa gfg intro video and getting only first 5 seconds
clip = VideoFileClip("dsa_geek.webm").subclip(0, 5)
   
# setting margin
clip1 = clip.margin(40)
   
# rotating clip by 180 degree to get the clip3
clip2 = clip.rotate(180).set_start(4)
   
# creating a composite video
final = CompositeVideoClip([clip1, clip2])
   
# showing final clip
final.ipython_display(width = 480)

Output :

Moviepy - Building video __temp__.mp4.
Moviepy - Writing video __temp__.mp4

                                                                                                                       
Moviepy - Done !
Moviepy - video ready __temp__.mp4

Another example




# Import everything needed to edit video clips
from moviepy.editor import *
  
# loading video gfg
clip = VideoFileClip("geeks.mp4")
  
  
# getting subclip from it
clip1 = clip.subclip(0, 5)
  
# mirroring image according to the y axis
clip2 = clip.fx(vfx.mirror_y).set_start(4)
  
  
# creating a composite video
final = CompositeVideoClip([clip1, clip2])
   
# showing final clip
clip.ipython_display(width = 480)

Output :

Moviepy - Building video __temp__.mp4.
MoviePy - Writing audio in __temp__TEMP_MPY_wvf_snd.mp3
                                                                                                                       
MoviePy - Done.
Moviepy - Writing video __temp__.mp4

                                                                                                                       
Moviepy - Done !
Moviepy - video ready __temp__.mp4

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