修改下面的python3代码将1mp4修改为可插入的视频文件或者文件夹路径import subprocessinput_file = 1mp4output_file = outputmp4cmd = ffmpeg -i input_file -empty_hdlr_name 1 -metadatasv0 language=jpn -metadatasa0 language=jpn -c

import subprocess

input_file = '/path/to/video.mp4' # 可插入的视频文件或者文件夹路径 output_file = 'output.mp4'

cmd = ['ffmpeg', '-i', input_file, '-empty_hdlr_name', '1', '-metadata:s:v:0', 'language=jpn', '-metadata:s:a:0', 'language=jpn', '-c', 'copy', '-disposition:v:1', 'attached_pic', output_file]

subprocess.run(cmd, check=True)