不同尺寸，不同个数的视频都可以合并

from moviepy.editor import *

clips = [VideoFileClip(r"//A-0000-raw-converted.avi"),
         VideoFileClip(r"/bird_A-0000-raw-converted.avi")]
video = clips_array([clips])
video.write_videofile(r'/2022_02_25_wh/roi7.5.mp4')