[FFmpeg-user] Images and Lengths of Time to Generate Video

Ryan Vincent ryan.vincent29 at gmail.com
Tue Oct 28 19:00:18 CET 2014


The concat demuxer did the trick.

Thank you, Nicolas!


Ryan

On Tue, Oct 28, 2014 at 9:40 AM, Nicolas George <george at nsup.org> wrote:

> Le septidi 7 brumaire, an CCXXIII, Ryan Vincent a écrit :
> > I am currently working on a project where I would like to take a series
> of
> > images and create a video, however, I would like the images to be
> displayed
> > for a certain, but different amount of time.
>
> You can do that with the concat demuxer:
>
> file a.jpg
> duration 5
> file b.jpg
> duration 3
>
> Note that the last frame's duration may not be preserved by the rest of the
> chain, especially if you use -vf fps=X:round=down to achieve a common frame
> rate. You can work around that using a final last frame:
>
> file b.jpg
> duration 2.96
> file b.jpg
> duration 0.04
>
> Regards,
>
> --
>   Nicolas George
>
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