[FFmpeg-user] Zoom out/scale down dynamically

astian astian at e-nautia.com
Thu Sep 13 04:18:00 EEST 2018

> On Mon, Sep 10, 2018 at 9:34 AM astian <astian at e-nautia.com> wrote:
>> I want to dynamically (per frame) zoom out/scale down a video below 100%
>> size.
>> It seems that the zoompan filter would be ideal for this case, but
>> unfortunately it clamps the zoom ratio to [1,10], that is, it only zooms
>> in/scales up.  Why?  And what can I use instead?
> What's the intended use of the image after dynamic scaling?

In this particular case, blend/concat to another video stream.


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