[FFmpeg-user] How to merge and map 1 video file with 4 audio files?

[Andrew Randrianasulu]

сб, 30 сент. 2023 г., 20:58 MediaMouth <communque at gmail.com>:

>
>
> > On Sep 30, 2023, at 09:31, Andrew Randrianasulu <randrianasulu at gmail.com>
> wrote:
> >
> > may be remove all OUTPUT_CHx lines so output will be clearly into one mxf
> > file?
>
> Thanks Andrew, will try!
>
> What made you think removing the "remove all OUTPUT_CHx " was the right
> move?
>


I thought so only from my limited expirience with ffmpeg cli, it looked
like ffmpeg was trying to output to those  OUTPUT_CHx as files and failed
because it was not obvious (usually from extension) what kind of container
it must be.

I think there is option for channel rerouting in containers


from man ffmpeg

-layouts
           Show channel names and standard channel layouts.


> What I'm hoping for, big picture, is to understand in detail routing
> source to dest.  The documentation seems clear enough, but the errors I got
> suggest I didn't quite figure it out yet.
>
> Thx
>
>
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