修改下面的python3代码将input_file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=

import subprocess import os

input_path = 'path/to/video/file/or/folder' output_file = 'output.mp4'

if os.path.isfile(input_path): cmd = ['ffmpeg', '-i', input_path, '-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] elif os.path.isdir(input_path): cmd = ['ffmpeg', '-i', os.path.join(input_path, '*.mp4'), '-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] else: print('Invalid input path') exit()

subprocess.run(cmd, check=True