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Questions tagged [hdmi]

HDMI is a compact audio/video interface for transmitting uncompressed digital data.

HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transmitting uncompressed digital data. It is a digital alternative to consumer analog standards, such as radio frequency (RF) coaxial cable, composite video, S-Video, SCART, component video, D-Terminal, or VGA.

http://en.wikipedia.org/wiki/HDMI

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Is there a solution to use 3DLUT on the entire system (Windows 10)

I'm currently trying to get the entire system (Desktop, applications ect) color corrected using 3dlut or icc profile. My goal is to be able to use my HTPC to watch movies with color correction. I know i can use madVR with a player to correct video…
Marco Artemisio
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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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Permission denied while reading a system file on Android

I am trying to add "HDMI connection" check in my app. I referred to How to check the HDMI device connection status in Android? and decided to add the checks to read /sys/devices/virtual/switch/hdmi/state or if not, /sys/class/switch/hdmi/state…
Vinay Deshpande
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tvOS notification when TV's source/input/HDMI changed

So I have a video app for tvOS and I would like to serve ads on it, but one of the requirements is to not serve them while the TV is not showing them. All good, but if you change the source of your TV and the Apple TV is still running it will…
spasbil
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Block screen recoding but allow HDMI screen mirroring Swift 4

I need to stop Screen recoding, however I need to allow video sharing through HDMI. I know the captured notification is usually used for this, but I cant find a way to separate out these two things. UIScreen.main.addObserver(self, forKeyPath:…
ThundercatChris
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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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Touch event does not work in Kivy on the Waveshare HDMI screen(Raspberry Pi)

I have attached the HDMI touchscreen from waveshare - https://www.waveshare.com/7inch-HDMI-LCD-C.htm The touch event is working well on the Raspian Stretch, but does not work in the Kivy application. Here is the output: pi@raspberrypi:~ $ python3…
rpi_guru
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Creating Android TV app to take HDMI port data and send it into my Custom App

Trying to create an Android TV app that will take input from the HDMI port and display it into a videoView. I have loaded a library file of Realtek and created a stream service. The hardware is Realtek RTD1295 Inside the MainFragment, the HDMI…
johnny68
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In Android, how can my code determine if an HDMI-connected monitor is powered-on?

Using this code I was able to determine whether the Android device I'm writing for (a "Ugoos" appliance) thinks a monitor is attached. The code works, reasonably well. However, if the monitor is powered-off, the code still reports that the HDMI…
8th_dev
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HDMI2VGA raspberry pi 3 RaspAnd boot/config.txt

Hello I was successful install RaspAnd(tested with a smart tv), I am now trying to use a hdmi to vga adapter to use a noc monitor and I can not, I checked this and this but none work for me, I was try multiple combinations and no thing, here is a…
Alvaro Denis Acosta
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Reading HDMI Input for Realtek RT1295

I am building an app to read HDMI input from android boxes (Amlogic and Realtek processors) and display in my app. I am aware that each different processors have different way to read HDMI input. For example with Amlogic, continuous HDMI stream can…
jay
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Oculus Rift CV1 Black Display

I recently bough my brand new CV1. Even though My GTX 980M is not recommended VGA but it should display something. Now about the problem. It started with Oculus Home setup, seem to everything worked fine, even tracking is working, I listened audio…
wilk3ns
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HDMI-cec over i2c in Android

I have android tv box cs918 q7 with android version 4.4.2, and there is IT66121 hdmi controller. At least there is no drivers for it but I can access it with i2ctools over i2c-2 at 0x4c address. root@rk3188:/ # i2cdump -f -y 2 0x4c No size…
progr4mer
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Android : Block mirroring, HDMI, GoogleCast for an activity

Does anybody know if there is a way to prevent an activity to be cast on another screen than the screen of the device? I would like to prevent the user to be able to stream the content of the activity with HDMI, Google Cast, adb shell screenrecord…
Christophe668
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Programmatically Connect/Disconnect HDMI

I want to programmatically connect & disconnect HDMI. I'm able to get the status of the HDMI using the below command, /sys/class/switch/hdmi/state
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