[Libav-user] swscale speed

Jan Pohanka xhpohanka at gmail.com
Mon Sep 3 09:54:29 CEST 2012


> Maybe on your cpu RAM speed is the bottleneck (i.e. cpu is very fast)
> so it's able to keep up.
> Now compare it with lanczos...

I have tried to write my own simple downscaler (really simple with no  
antialasing filtering etc.) and it's speed is fine, so I think that won't  
be a memory bottleneck


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