[FFmpeg-devel] [PATCH v4] avfilter/vf_zoompan: fix shaking when zooming

[Robert Deibel]

On 07.02.20 21:23, Paul B Mahol wrote:
> On 2/6/20, Robert Deibel <deibel.robert at googlemail.com> wrote:
>> Would appreciate further review or info.
> Are you sure this change does not break older scripts?

You were right, it did break older scripts. Clips that were upscaled in 
a previous filter would be transformed in a worse way than before.

Fixed it in a new patch. Will test some more and send it again.