kux转mp4工具

@echo off setlocal enabledelayedexpansion set ffmpeg="E:\nplayer\ffmpeg.exe" if exist %ffmpeg% ( for /r . %%i in (*.kux) do (         %ffmpeg% -y -i "%%i" -c:a copy -c:v copy -threads 2 "%%~dpni.mp4"     ) ) else echo