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MLaur2's avatar
MLaur2
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7 years ago

Do "Scaler II (4K ready)" in general have a problem with downscaling more than a factor 4?

I have a video application, designed in Qsys v. 16.1. Had some issues with the "Scaler II (4K ready)". During debug, I have cut away everything else, thus my Qsys design now consists of: Test patter...
MLaur2's avatar
MLaur2
Icon for New Contributor rankNew Contributor
7 years ago

Hi again,

I just figured it out.

The down scaled image requires more buffering. I guess this is due to reduced pixel-frequency by the horizontal downscale-factor.

My first solution was to insert a frame-buffer after scaling.