Mastodawn

@christianselig You can get a little dongle thingy that works on both Mac and PC to add CEC to it. I wrote a Mac app that interfaces with it many years ago: https://couch-slouch.com

Being able to control your TV with AppleScript was pretty fun to build!

Couch Slouch

@ikenndac Whaaaaaatttttt. And it works reliably and can even pass through ARC and the newer bandwidth protocols?

@christianselig You’d put the dongle on your Mac's path up to the TV/receiver, not in the ARC path. Other than the CEC lane, it's just a passthough though. It runs 4K60 fine, haven't tried with anything higher (and you might be able to tell from the age of that website 😛).

Giuseppe Alletti Nov 19

@ikenndac @christianselig last I looked into this there was no HDMI 2.1 support, so no 120Hz or VRR. I ended up simulating CEC functionality with a Rube Goldberg machinery of Home Assistant automation.

@giuseppe @christianselig Since it's just passthrough it may well just work - it's not an active part of the signalling path for anything but CEC, and nothing changed in the cabling between those versions. Haven't tried it though.

Giuseppe Alletti Nov 19

@ikenndac @christianselig if you get a chance to test it, I’d be interested in the results! But yeah you can spend $2K+ on a GPU and still not get CEC support 😅

@giuseppe @ikenndac Dang per their spec page looks like only HDMI 2.0 not 2.1 https://www.pulse-eight.com/p/104/usb-hdmi-cec-adapter

Apple says their adapter also adds support for HDMI CEC, but no specs listed naturally https://www.apple.com/shop/product/mw5m3am/a/usb-c-digital-av-multiport-adapter

Control your TV from Kodi, or vice versa! USB - CEC Adapter

Control your TV, Amplifier and/or Blu-ray Player from Kodi!

@christianselig @giuseppe Like I said, since it's a straight passthrough it may well just work: https://mastodon.social/@ikenndac/115577124101572609

@christianselig @giuseppe Quoting their page, even:

> Our technology works on all versions of HDMI®, including HDMI® 2.0a we don't interfere with the video signal in any way.

@ikenndac @giuseppe Oh, nice!

Giuseppe Alletti Nov 19

@ikenndac @christianselig ah see didn’t notice that. Then it might very well work.

geomaster337 Nov 19

@ikenndac This is awesome! Does this work with Macs (like the M4 mini) that support CEC natively?

@geomaster337 If you plug the dongle into one, sure 😛

@ikenndac Interesting, you've given me a fun weekend project to undertake, thank you :D

@christianselig Good luck! I haven't looked at this stuff in a fair while, so I'm interested to see if it all still works.

Tyler Hillsman Nov 19

@ikenndac @christianselig I don't need to spend more money, I don't need to spend more money, I don't need to spend more money...

Gareth Cawood Nov 19

@christianselig the Steam Machine is going to have it.

Victor Nov 19

@christianselig Raspberry Pi SoC natively includes and supports CEC too. Great little home theater device.

(ﾉ◕ヮ◕)ﾉ*:･ﾟ✧*:･ﾟ✧Nov 19

@christianselig My guess is they just haven’t updated the support documentation for the M5. Glad to see my M3 max is supported!

@tweece I don't think so, M5 is mentioned explicitly in the top section and the "last updated date" at the bottom of the article is after the M5 Macs came out

(ﾉ◕ヮ◕)ﾉ*:･ﾟ✧*:･ﾟ✧Nov 19

@christianselig Huh, weird! Why would they drop support??

Rantanplan Nov 19

@christianselig it will work on the steam machine.