Am 25.05.2022 um 21:32 schrieb Gyan Doshi:
On 2022-05-25 08:31 pm, Michael Koch wrote:
Hello,
we want to use FFplay in a planetarium. It's a Windows computer with
an extended desktop. The left monitor contains the user interface
(1920x1080) and at the right side is a 4Kx4K extended desktop, which
is shown on two 4096x2048 monitors, upper half and lower half. The
extended 4Kx4K desktop is mirrored to the dome with 11 projectors.
We are using this 4Kx4K test image:
http://www.paulbourke.net/dome/testpattern/4096.png
This is the FFplay command line:
ffplay -noborder -left 1920 -top 0 4096.png
The problem is that the image is shown twice as large as it should
be, so that we see only the top left quadrant.
You can see a screenshot in this discord channel (in german language):
https://discord.com/channels/968113228230045706/968113812769210398
If we set the size to 2048x2048, then the output is 4096x4096:
ffplay -noborder -x 2048 -y 2048 -left 1920 -top 0 4096.png
But then we don't have the full 4K resolution.
Who has an idea what's wrong here?
The console output is below.
What's the size value in Settings -> Display under Scale and Layout?
Problem solved. Scale was set to 200%.
Thanks,
Michael
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