[FFmpeg-user] Generation of thumbnails

Moritz Barsnick barsnick at gmx.net
Sun May 24 22:33:41 CEST 2015

On Sat, May 23, 2015 at 17:20:11 +0000, Shiwani Agrawal wrote:
> Please help me in understanding this command for generating the thumbnails :
> input.mp4 -ss 1 -filter:v scale=640:-1 -vframes 1 first.jpg -f image2 -vf fps=fps=1/2 -s 128x72 second%03d.jpg

I think we'd rather not help you understand that command line, as there
is an extreme amount of nonsense in it. It would be better if you look
at the docs and create your own command line, that will be much


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