Questions tagged [hdmi-cec]

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

Wikipedia

32 questions
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HDMI CEC on Android

I've been facing a problem to access to HDMI CEC on this Android dongle. I'm trying to turn on the tv and change the input source of the tv but I was unable to do it. Android API Approach I'm running a system app and I have settled
Eduardo Pinheiro
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Use libCEC + USB dongle in Android app

My goal is to send HDMI CEC commands from a standard (i.e non-system) app running on an Android box equipped with Pulse-Eight's USB dongle. Following these instructions I successfully managed to compile libcec for Android and execute it as root on…
sdabet
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2 answers

Detect changes in power status of a TV connected to an Android device via HDMI

I'm building an Android media player application that I intend to use to play media (videos, pictures, etc.) on a TV while connected via an HDMI cable. I want to have the media player app pause when the TV's power status is OFF and want it to play…
Raunaqss
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HDMI CEC command for shutdown not working on Android

I am sending HDMI CEC command to Power on and Standby my LG LED TV 2015 make. The device is a Amlogic S922x based SBC running Android 9. The Power On commands work but the Standby commands don't. Can someone tell me what is wrong with this? Power ON…
Debasish Mitra
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HDMI-CEC Android TV turn-off TV

I have a Android TV box and I would like to use HDMI-CEC to turn on and off my TV, I'm using android shell commands to power on tv like: 'echo 0x40 0x04 > /sys/class/cec/cmd' and it works ok. But when I use 'echo 0x40 0x36 > /sys/class/cec/cmd' to…
3
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0 answers

Turn off (Stand by) android tv using HDMI CEC command is not working with Amlogic MBOX

I am trying to turn off my samsung tv through android app using HDMI CEC for android i used Amlogic MBOX Samsung Tv HDMI CEC already turned on. Amlogic MBOX HDMI CEC also turned on. Code snippet how i execute command in android fun…
3
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1 answer

How to send HDMI-CEC commands from Amlogic 905x board to the TV using sysfs

I want to send raw HDMI-CEC commands (adb shell) from an Amlogic 905x ARM board (Android 6) to test the functionality. The board is rooted (tested, 'adb root' works) and connected to a TV with CEC capabilities (enabled, tested with video game…
orouwk
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Android Disable HDMI CEC control

How I can switch off HDMI CEC control via adb shell ?
user3973591
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HDMI CEC not working when switching to TV 0.0.0.0 using iobroker docker, node red, and pulse eight adapter

I am attempting to control my HDMI CEC-enabled devices using iobroker running in a docker container on my pc, along with node red and the node red cec plugin. I am using a pulse eight adapter to facilitate communication between the devices. I have…
2
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1 answer

Why is my input source not changing when I send the message via CEC-Client?

Problem/Question When I use CEC-Client to send the active source command to switch the TV input to a particular source, nothing happens. What am I doing wrong? Environment I have a Raspberry Pi 4 running Raspbian plugged into a Vizio TV. I've…
UrsineRaven
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Control TV from Android app through HDMI CEC

I am trying to control (volume control and perhaps on/off) a Samsung TV over CEC from an Amlogic Android box. The Android docs explain the theory of it but there is no actual code to implement, I have seen users communicate through cmd commands in…
sgtpotatoe
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HDMI-CEC Working on some commands using adb

I have mecool tv box connected with hdmi and samsung tv connected as well. when i gave standby command using adb my tv goes to standby but when i gave any other commands it can't work. e.g # echo 0x40 0x36 > /sys/class/cec/cmd this command working…
Zaigham Raza
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How to get libCEC for Python (PyCharm on Windows)?

I am unfortunately an absolute beginner in programming. First of all, I'm programming with the PyCharm IDE on a Windows computer, but the script will later run on a RaspberryPi. I want to turn on my TV with a Python script via HDMI-CEC and I came…
ODE4
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Android system apis using reflection

HDMI CEC on android Hello in regard of the above post I have some questions Please first go through the above mentioned link. Reflection has been used to access the HDMI cec apis in android I want to send power ON/OFF command through android tv…
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1 answer

Raspberry Pi turn on AV Receiver CEC

I have an AV Receiver that I want to turn on from standby using cec-client on raspberry pi. The physicall setup is as follows: RPI --HDMI--> AV Receiver TV <--ARC_HDMI--> AV Receiver Scanning my HDMI devices with echo "scan" | cec-client -s -d 1 I…
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