RE: mp4 (or m4a) editor

[Paul Goyette <paul%whooppee.com@localhost>]

WOW!  The AI got it right.  Turns out that I don't need the

	-disposition:v attached_pic

so it's even more simple:

	ffmpeg -i input.m4a -i cover.jpg -map 0 -map 1 -c copy output.m4a


On Thu, 1 Jan 2026, Marcin Gondek wrote:

> Hi
>
> AI is saying:
>
> ffmpeg -i input.m4a -i cover.jpg -map 0 -map 1 -c copy -disposition:v attached_pic output.m4a
>
> Or to show image before playing music:
>
> ffmpeg -i input.m4a -i cover.jpg -map 0 -map 1 -c copy -disposition:v attached_pic -movflags +faststart output.m4a
>
> Didn't tried.


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