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Questions tagged [hdmi-cec]

Consumer Electronics Control - Using a remote control to control devices through HDMI

Wikipedia

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coral dev board hdmi arc Input/output error

I'm trying get the Coral Dev Board to receive audio from my TV over HDMI ARC. I'm pretty sure I have ARC enabled on the TV side but I think there's something missing on the Coral Linux side. Can anyone help me get this working? Has anyone else got…
Andre Labelle
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How to listen/snoop on all HDMI-CEC traffic?

I'd like to see all traffic between connected HDMI devices using a Raspberry PI 4. I need to do this to debug incorrect CEC behaviour. (To sus out what's switching active sources unexpectedly, and where are remote control passthrough messages…
kgello
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How do i read HDMI input (say coming from another video source) in qt app meant to be run in an android device (amlogic)

How do i read HDMI input (say coming from another video source) in qt app meant to be run in an android device (@AMLogic chipset)
Geeky Micky
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Samsung TV (anynet+) control with Android Device using HDMI CEC

I am using command line to control the TV like power on, power off, volume up and volume down from rooted Android Device. i am able to power on and power off using the following command. Process p; try { p =…
Atif Mukhtiar
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Google TV remote volume up/down not registering

Hey all I have been trying to get my remotes volume up/down buttons to register in my app but they never seem to do anything when I press them? I have tried: public class CallBroadcastReceiver extends BroadcastReceiver { @Override public…
StealthRT
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How to get the turned on or turned off status of connected out put TV in android box?

I am trying to get the turned on or turned off status of connected out put TV in android box. There is HdmiControlService in android. As there is very less documentation on it. Is there any sample code for it. Any help will be appreciated.I have…
biplab
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Windows 11: Audio channels are swapped on a 5.1 system with DirectSound, but WASAPI works

Setup Intel NUC 11 as HTPC -> HDMI-CEC -> Denon AVR-X2500H -> HDMI-CEC -> LG 55SJ800V Steps to reproduce Note, I tried Ubuntu 22.04 first, but to avail. Best I got was stereo output after 2 days of trouble. Hence, I installed Windows 11 Pro,…
fuggi
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How to allow a java app on an android device to send HDMI-CEC command?

In my company, we would like to develop a digital signage app on android TV. We would like to include some features like turning on/off the monitor, or control audio volume. I don't know how to enable this in java. I saw that there is a system api…
Pepito Sanchez
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Cant import android HDMI package even though it is in master

I am trying to use HdmiCecMessage class in my android app, so I installed this dependency in my gradlef file: dependencies { implementation 'androidx.hardware:hardware-hdmi:1.0.0' } but when I try to import: import…
StackerSapper
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It is either cec-ctl or VLC, not both on Raspberry Pi 3 B+ Bullseye

My Node.js project utilizes CEC control and VLC where the app turns on the TV and chooses the HDMI port that the VLC video stream will be viewed on at a scheduled time. Everything worked on Buster except that too many indeterminate crashes with…
David McKay
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Android hdmi CEC commands error sys/class/cec/cmd not found why?

I have amlogic tv BOX connected to my tv, i am trying to send CEC commands to the tv using HDMI cec commands the HDMI CEC settings is enabled in TV side (all is turned on) i follow the steps below: run cmd and go to ADB run adb connect 10.x.x.x ip…
Malo
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how to run HDMI CEC command from my android app

I have an android TV application running on set-top box device, my target is to create function in my app to run CEC command within my application, this command must turn off the TV when clicking on POWER button in remote control My problem is i…
Malo
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HDMI CEC android with android stick

HDMI CEC on android Hello in context with the above post I have some basic questions Is this system app for the android dongle , if yes thn how to deploy it ? How to make a system app () Thanks in advance..
Sameer Meena
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How can I turn the TV/display on and off from the app installed on Android box which is connected via HDMI?

These are my specifications: Angular CLI: 8.1.3 Node.js : 14.13.1 OS : Windows 10 x64 Angular : 8.1.3 TypeScript : 3.4.5 Webpack : 4.39.2 Currently I'm working on a digital signage project. I have built two apps with Cordova. One…
Sierra
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CEC-Client inside Docker on Raspberry Pi 4

I've been trying to get the CEC-Client working inside docker, when not in the docker image I get this result: No device type given. Using 'recording device' CEC Parser created - libCEC version 4.0.7 no serial port given. trying autodetect: path: …
Ash
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