AC3 to AC3 → ffmpeg crash

[ToiletDuck]

You do not want to understand what I write, do you?

SD source 720*576/progressive 25fps, 16/9 DAR → Live Action (no anime / manga / cgi etc..)  .. simple enough . NO

Aside from that your source probably does not have tons of flat areas and sharp edges, that does not say much.
RealESRGAN often looks to plastic for my tase on normal content,
see: https://imgsli.com/MjI5NDU1
if you search for RealESRGAN comparisions over at imgsli.com (google:

How much effort is it to write down a few settings 
Don't knock it until you've tried it..

Btw, let me be the judge of that ↑ .. iam willing to put the most effort in it.. 

True, ESRgan depending on wich settings, can look like thin foil !!  But my output results don't look near as bad as in that example from that link you've posted fortunately!! 
That plastic look is particular noticeable in wide viewed / zoomed out scenes with too strong settings ..  

But with the right settings, you have to look and search very carefull to spot it .. 

For example: my results

before image ↓


After image: 




Here's an slide for beter comparison ↓

https://imgsli.com/MjI5NDg3

Now, does that look plastic to you ?

site:Aimgsli.com+realesrgan

), you can also find some comparisons like https://imgsli.com/MTMxNzk0/4/1
Cu Selur

Thanks, i'll do a peekaboo .. (°^°)