[FFmpeg-user] concatenate png files for different durations?

Lou lou at lrcd.com
Sun Mar 16 22:45:14 CET 2014

On Sun, 16 Mar 2014 14:35:54 -0700
Spencer Graves <spencer.graves at prodsyse.com> wrote:

>        Thanks for the reply.  Unfortunately, I've been unable so far to 
> make it work.  Consider the following:
>  >ffmpeg -y concat -i concat1.txt tst2e.mp4

Your forgot -f as in:

ffmpeg -y -f concat -i concat1.txt tst2e.mp4

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