ximagesrc is super choppy on Linux on high end hardware...

[Robert Ayrapetyan]

Are you using the XShm extension
(-Dgst-plugins-good:ximagesrc-xshm=enabled)? With XShm you can
smoothly get 60 FPS for your resolution with almost no CPU usage.

On Tue, Oct 24, 2023 at 11:53 AM Davide Perini via gstreamer-devel
<gstreamer-devel at lists.freedesktop.org> wrote:
>
> Hi,
>
> I'm using a simple pipeline like this
> gst-launch-1.0 ximagesrc startx=0 endx=3800 starty=0 endy=2150 !
> videoscale ! videoconvert ! autovideosink
>
> on Ubuntu 23.10 using an AMD Ryzen 9 7950X3D and an Nvidia RTX4090.
>
> Video drivers are correctly installed since I can play games at very
> high framerate...
>
> When I try to record the screen with the pipeline above, the screen
> became choppy, mouse starts lagging and the screen record get two or
> three frames per second.
>
> How this is possible?
>
> What can I do to troubleshoot this problem?
>
> Thanks
>