[FFmpeg-user] [HELP] ffmpeg "-map" option question

[Soho Soho123]

> >
> > I use the git head version to verification ttest.
> > When I add "-map" option to specify the stream id that I want.
> > But it seems does not work.
> > I can not modify stream index that I want.
> > does anyone have ideas?
>
> I haven't tried it, but as a work-around what about omitting the '-map'
> options and specifying your input files in reverse order?
>
> Hi,
I have tried.
I got the same result!
The order can not be modified!
Do you have any idea?