[FFmpeg-user] chroma colour

[Mark Filipak (ffmpeg)]

On 09/24/2020 09:21 AM, Paul Bourke wrote:
>> Nice idea, what upscaling methods you use? Do you use swscale by any chance?
> 
> Not sure I understand. I don't upscale the movie/image, rather my code
> that creates the remap filters just creates the maps 2,3,4 times
> bigger than I eventually plan to use.

Hi, Paul. Can you tell me something about "the maps"? Are you referring to an ordinary array of 
cooked picture samples or do you mean something special that I'm unaware of?

Thanks!

> 
>> And what filters for upscaling and later downscaling (bilinear/lanczos/spline/...) ?
> 
> Generally just bilinear.
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