使用 ffmpeg 裁剪视频

ffmpeg_crop.py

import sys
import os


fnames = os.listdir('s1')

fnames.sort()


for fname in fnames:
    if 'mp4' not in fname:
        continue

    if 'mini' in fname:
        continue

    print(fname)

    fname2 = fname.replace('.mp4', '_mini.mp4')

    # cmd = f"./ffmpeg -i s1/{fname} -vf crop='in_w:in_h*0.643:0:in_h*0.15' -acodec copy -t 120 s1/{fname2}"
    cmd = f"./ffmpeg -i s1/{fname} -vf crop='in_w:in_h*0.643:0:in_h*0.15' s1/{fname2}"

    print(cmd)

    os.system(cmd)


    print('========================== finish ===================================')