Screen recording and Nvidia acceleration

Davide Perini perini.davide at
Wed Aug 5 12:05:25 UTC 2020

I need to capture 100 regions of 50 pixel,
not an entire 3840x2160 screen if possible...

At 4K, grabbing the entire screen at 30 fps is pretty expensive.

Is this possible?


Il 05/08/2020 12.31, Neil C Smith ha scritto:
> On Wed, 5 Aug 2020 at 11:22, Davide Perini <perini.davide at> wrote:
>> I don't need big quality or sync, I only need to record the screen to get colors on an X,Y point of the screen.
>> So I don't really need to capture all the screen.
> What exactly does "don't really need to capture all the screen" mean?
> A contiguous sub-region?  That element supports x, y, width and height
> properties I believe from earlier conversations on this?
> Best wishes,
> Neil

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