(2020-08-13, 02:49 PM)abarrow Wrote: Dedicate more memory to video. With 8G you could probably go with 500Mb and have no problems at all. I have a 4G RPI and use 384Mb, and my scrolling is smooth.
I set the gpu memory to 512 and it helped a little (3 seconds from 4) but it's still challengingly slow. I wonder if there are other config options, like Overlay, are not set optimally. Note that the Measurement lines are great. So that was an improvement!