ffmpeg trim/cut video to video

ffmpeg_trim_cut_video2video.py

from datetime import timedelta
from subprocess import Popen

'''ffmpeg_trim_cut_video2video.py

Edit section *User data*, and uncomment one of the commands `cmd`
'''

# User data
tstart = timedelta(minutes=18, seconds=20, milliseconds=0)
tend = timedelta(minutes=18, seconds=30, milliseconds=0)
src = 'video_src.mkv'
output = 'output.mkv'
ffmpeg = 'ffmpeg'

tdelta = tend - tstart
tstart = str(tstart)
tend = str(tend)
tdelta = str(tdelta.total_seconds())

cmd = (ffmpeg, '-i', src, '-ss', tstart, '-c:v', 'copy', '-c:a', 'copy', '-to',
        tend, output)
#cmd = (ffmpeg, '-ss', tstart, '-i', src, '-c:v', 'copy', '-c:a', 'copy', '-t',
#        tdelta, output)
#cmd = (ffmpeg, '-ss', tstart, '-i', src, '-t', tdelta, output)
#cmd = (ffmpeg, '-i', src, '-ss', tstart, '-to', tend, output)

proc = Popen(cmd)
print('Exit code: {}'.format(proc.wait()))