Using a Raspberry Pi to add a second HDMI port to a laptop

Re:Using a Raspberry Pi to add a second HDMI port to a laptop by oktwtf on Wednesday March 15, 2023 @08:33PM (#35176648)

(I wouldn't try this on a Linux Host) But I believe the shortcut for the Windows Moonlight client was Ctrl+Alt+Shift+F1/F12 to switch between the displays.

Instead of this, I happen to setup the Host with Win+P to use the second display only and it works great.

If you want to limit Sunshine to stream the virtual/second display, using the control panel:

Sunshine Configuration > Audio/Video > Output Name

The virtual adapter I just setup with this driver mentioned above, was assigned: '\\.\DISPLAY25' but go ahead and run that 'tools/dxgi-info.exe' to find out.

Also, option.txt using: 3024, 1890, 120 Was about the easiest thing ever.

Any idea how to get HDR to work?

Edit: Re: HDR https://github.com/roshkins/IddSampleDriver/issues/23#issuec...

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Re:Using a Raspberry Pi to add a second HDMI port to a laptop by manmal on Thursday March 16, 2023 @02:45AM (#35178919)

Great ideas! About the monitor name - that’s the thing, the virtual monitor didn’t seem to have a name when using the tool you mentioned. But maybe that’s because it hadn’t been active at that point. I‘ll try DISPLAY25 :)

HDR: I didn’t look into that, unfortunately. That might then be a case for a programmable HDMI dummy, right?

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