将输入名称保留在 ffmpeg 中？

Question

can someone help me to keep original name in input as output

For example, i have a "Video.mp4" i need to convert it in mp3 as "Video.mp3"

but i cant find it how to do it!

i try ffmpeg -i video.mp4 -b:a 192K -vn music.mp3

but the output file is "music.mp3" and i dont want it

soo i try ffmpeg -i A.mp4 -b:a 192K -vn *.mp3

and it gives error like:

*.mp3: Invalid argument

pls help me:(

Answer 1

[untried]

@echo off
ffmpeg -i "%~1" -b:a 192K -vn "%~n1.mp3"

As a batch file named tomp3.bat , use as tomp3 "video.mp4"

The quotes are not required unless the filename contains spaces (or some other symbols)