[FFmpeg-user] inserting / embedding a thumbnail as cover art to an mp4 file

S M scott.tigerpie.manning at gmail.com
Mon Aug 9 09:05:10 EEST 2021

I used this command to generate thumbnails of all my mp4 files in a
for %i in (*.mp4) do ffmpeg -i "%i" -vframes 1 -an -s 300x300 -ss 10

But now I would like to embed those thumbnails into the .mp4 files as cover
I know I can do it file by file using mp3tag, but is it possible to run a
command for a whole folder of .mp4 files?
I'm on a win 10 or win7 box.


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