[FFmpeg-user] zoompan: video is jerking around

[Paul B Mahol]

On 2/7/16, Michael Koch <astroelectronic at t-online.de> wrote:
> Hi all,
>
> I have a problem with the zoompan filter. The video is jerking around.
> This is especially visible when the zoom factor is quite high, as in the
> below example, where it varies over 100 frames from 5.0 to 5*1.005^99=8.19
>
> Other question: What's the meaning of the "deprecated pixel format used"
> messages, and how can I avoid them?

Just ignore it, warning should be gone soon.

>
> Thanks,
> Michael
>
>
> ffmpeg -i Baum.JPG -vf
> "zoompan=z='if(eq(zoom,1),5,zoom*1.005)':d=100:x='iw/2-(iw/zoom/2)':y='ih/2-(i
> h/zoom/2)'" -c:v mpeg4 -s 1800x1200 -b:v 5M -q:v 2 test.mp4

ffmpeg -i Baum.JPG -vf
"scale=iw*8:ih*8,zoompan=z='if(eq(zoom,1),5,zoom*1.005)':d=100:x='iw/2-(iw/zoom/2)':y='ih/2-(ih/zoom/2)'"
-c:v mpeg4 -s 1800x1200 -b:v 5M -q:v 2 test.mp4