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KDE Plasma 6.7 Beta Introduces Plasma Bigscreen Mode for HTPCs (www.techpowerup.com)
submitted 5 months ago by to c/technology@lemmy.world
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[–] 5 points 5 months ago (7 children)

How’s HDMI-CEC support in Linux? I remember that being a sticking point last time I considered building an HTPC

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  • [–] 9 points 5 months ago (1 child)

    How’s HDMI-CEC support in Linux?

    Pulled directly from KDE Plasma’s Bigscreen website.

    Multiple Input Methods

    Navigate with your TV remote via CEC, a game controller, a keyboard and mouse, or even your phone via KDE Connect.

    https://plasma-bigscreen.org/

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  • [–] 8 points 5 months ago (1 child)

    Doesn’t work. Not a Linux issue. No graphics card or motherboard maker connects the hardware correctly to support CEC on PCs. It’s an industry-wide practice.

    There is the pulse eight injector which together with software can inject CEC with a USB connection with the caveat it can’t turn your computer on and it’s a hacky and imperfect solution for tinkerers rather than production ready equipment. Also it’s only HDMI 2.0 not 2.1.

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  • [–] 1 point 5 months ago

    A pulse 8 would actually be very good with this. You can turn the computer on with a USB remote and the pulse 8 would send a signal to turn in the TV. From that point on, everything else would be controlled with the USB remote talking directly to the computer.

    Also the website says CEC will work, so maybe they have a more elegant solution already

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  • [–] 2 points 5 months ago (1 child)

    I searched for what HDMI-CEC but it’s not very clear to me. Does it mean that, say, if I have an HTPC, and if I run Kodi, I can control it with a regular TV remote? Should this thing be on a TV too? Would appreciate someone with the supported devices to comment how it works and how you use it.

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  • [–] 5 points 5 months ago

    It means that multiple devices which are connected to the same TV can all control each other.

    For example, say you have a streaming device (e.g. Amazon Fire Stick) and an audio receiver both hooked up to the same TV on different HDMI ports. With CEC, you could use the volume buttons on the streaming device’s remote to control the volume on the audio receiver. You could also use the power button on the TV remote to turn all three devices on/off at the same time.

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