[Libav-user] swscale speed

Roger Pack rogerdpack2 at gmail.com
Wed Sep 5 21:45:16 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

Is its speed faster than any libswscale option?

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