import os videosrcmd_args ext avi flv m1v mkv mov mp4 mpg mpeg webm wm

import os

videosrcmd_args = ''

ext = "avi flv m1v mkv mov mp4 mpg mpeg webm wmv".split(' ')
files = [file for file in os.listdir(os.curdir) if file.split('.')[-1] in ext]

for file in files:
    os.system(f'videosrcmd.exe {file} {videosrcmd_args}')