[FFmpeg-user] How to set time each image in video

Phil Turmel philip at turmel.org
Wed Dec 7 14:28:00 CET 2011

On 12/07/2011 04:30 AM, Mr Anh wrote:
> I'm doing a slideshow. I am having a problem: I can not set the time for each
> image.
> For example: ffmpeg.exe -r 0.062 -i %03d.jpg -r 59 -s hd720 -b 30000k -ab
> 320k test.flv
> I want a second image is 15 seconds, the first two images was 20 seconds,
> first three images is 10 seconds.
> How does it work?

You can't, directly.  But you can choose a jpeg frame rate that is a common
denominator, and duplicate frames the desired number of time.  In your example,
use an input rate of 0.2, then have two, three, or four duplicate frames as



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