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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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Detect display state using Hdmi cable

I'm looking for a way to detect that the screen attached to the HDMI out has been turned off, or is in sleep mode, either through a command-line tool or a Java app. So far, I've figured out how to detect whether there is something connected by…
Aj_31
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Programmatically change video output to HDMI

I need change Android display to HDMI on Android boot, I have done the boot receiver and worked, but how can I programmatically change the configuration?
Douglas Caina
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Can we turn on/off hdmi settings from our app programmatically

I want to load hdmi settings (check box Turn on HDMI, HDMI Resolution Selection dialog box) in my custom app activity. And if I change these settings in my custom app the settings will be changed in actual device settings. Is it possible? Thanks any…
maverickosama92
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How do i disable hdmi port of a android device without rooting it?

I want to know whether there is a way to disable hdmi port of a android device without rooting it?
Pankaj Khurana
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Black bars with HDMI Adapter on iPad 2

My app supports HDMI Output. I asked the code for the resolution of the TV and got 1920 x 1080 px for externalScreen.bounds OK, everything fine. I've setup my views and tried it on the TV ... BUT: There were black bars on the bottom / top / sides…
DAS
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HDMI API for Asus Transformer (and others)

Currently HDMI outputs are handled by proprietary APIs. Motorola's is the easiest to find, but where is the similar API for the other manufacturers? I'm most interested in Transformer Prime but Samsung and LG also have HDMI outs.
vbence
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Turn off HDCP copyright flag for the purposes of recording trailer

I've just acquired a HDMI recorder card, and I'm trying to digitally capture the output from my game using the HDMI out from a iPhone 4S. Problem is software keeps complaining that the content is copyrighted and cannot record. Is there a way I can…
led42
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Is it possible to force an AVAudioSession to output to the headphone jack even if an HDMI accessory is connected?

Is it possible to force audio through the headphone jack even if an HDMI adatper is connected? I see that iOS 5.0 now has constants for multiple Audio Routes: const CFStringRef kAudioSessionOutputRoute_LineOut; const CFStringRef…
kcharwood
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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…
Unregistreirt
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Is it possible to render video from HDMI on iPadOS?

It's very general question. I just want to understand if it's technically possible and why? Also to get some idea of what's the good starting point to investigate this topic. So question is: Is it technically possible Connect another device with…
NikR
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Android 11 "setprop persist demo hdmirotation", etc Not Working to Rotate Display Screen (HDMI) without Changing Orientation

According to this Rotate Android display without changing orientation and this Allow rotate into portrait mode but do not rotate external display, I have to change some props value in build.prop file (using ROOT mode) to rotate output screen in HDMI…
Ifan FA
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How can I read HDMI version on Android?

How can I read display related stuff like HDMI version? Currently, I do not want to change them. I only want to read them in the first place.
Edna Krabappel
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How can I detect in Kotlin or Java whether the Android device supports MHL (HDMI)?

Some Android devices support HDMI via micro USB or USB C cables and adapters. Usually using MHL (Mobile High-Definition Link) How can I check programmatically from my app whether the device it's running on supports MHL?
hippietrail
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Why is the framebuffer depth different for Raspberry Pi 3 and Pi 4? How to successfully map on to a 4k framebuffer using Raspberry Pi 4?

I have a graphic application running from a Raspberry PI 3 currently. I'm using an LG B9 4k tv (3840x2160) and Pi maps it to 1920x1080 to project my application on the tv. This works fine but the resolution is of course not as crisp. I got a Pi 4 to…
ni5arg
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How to send Python line graph output through HDMI to another display?

I am working on a project that need me to generate a real time line chart on a separate display. I'm able to have the real time line chart working on my laptop now but I also want the separate display to show only the line chart (the chart window…
Wayne Lu
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