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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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HDMI no signal debian

I'm using a lenovo ideapad 320s. I can see that HDMI1 is connected in xrandr but no picture. Is it possible that the hardware is too new? and should I just move to debian testing to see if that works? In xfce4 gui display application I can see that…
Eeme
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Turn off HDMI Output with Android Things on Raspberry PI 3

I'm creating an Android Things device using a Raspberry Pi 3, which will be connected to monitor. The monitor should be on all of the time, but I'd like a way to "turn off" the device (turning off the HDMI output so that the monitor can go to…
Thomas
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How to detect if the HDMI port on an Android device has HDCP enabled?

Can't find anything definitive on Android Doc and Google. If there is API to detect this, what is it and what is the API to enable/disable HDCP on the HDMI output? If there is NO API to detect this, is there a device can be used to check the HDCP…
Yi Wang
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Send CEC command from TV to Android phone

I’m trying to send HDMI-CEC command from a TV set to my Android phone (both of them can support CEC protocol). Although I have already read the CEC specifications, the problem is that I don’t know how to send CEC command ONLY via the HDMI cable. I…
April Wang
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Exploded portrait HDMI output on Android (Samsung Galaxy S III)

Currently, when you connect an external monitor to an Android phone that supports mirroring, the phone makes the assumption that the external monitor is set up in a landscape orientation. Thus, when the phone is held vertically (in this case, the…
Eric Ahn
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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…
Juan Isaac Huertas
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Merge 2 image outputs (HDMI, DVI, VGA, or other) on one screen

I am looking for something uncommon: A device that would allow to merge the image coming from 2 outputs (HDMI, DVI, VGA or any other type of image output) into one final image displayed onscreen. The outputs can be of the same type (e.g. 2 HDMIs) or…
Pierre Ciholas
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Automatically detect when HDMI is plugged in

Sometimes I connect my laptop to my TV over HDMI to have a bigger screen. Unfortunately, it doesn't automatically switch the audio output, so I have to do that myself every single time I plug or unplug it, with either of those two, to have the sound…
Katembers
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Android disable HDMI output?

I'm trying to figure out if there is a way for me to block HDMI output when my application is running on Android? I need to support minimum API 17 (Android 4.2). Is there such method I can call to control (hide/show) HDMI…
ᴛʜᴇᴘᴀᴛᴇʟ
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Streaming Video to PC in HD 60 fps

I am working on my final project in Software Engineering B.Sc. Our project includes tracking a ball in Foosball game. Actually with the size of the Foosball table I will need at least HD 1080p format (1920x1080 pixels) camera and because of the high…
Josse
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Android force HDMI audio

My ADT-1 does not play sound over HDMI when connected to the TV. On that specific TV I had to force HDMI audio on the Raspberry PI, so I'm trying to force it on the ADT-1 as well. I tried making an app with the permission
ascallonisi
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Control external screen from Android app

I need some help where to look for api or code example on how to control an external screen from an Android app. My Android app will most of the time run on devices which have no built in screen, instead you connect an external screen with hdmi or…
Robert
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Android device to detect display is on or off using the hdmi cable

I am creating a app where videos are played in T.v by connecting the android device to T.v through HDMI cable.I want detect if T.V is turned off using the HDMI cable.I also tried a method mentioned in this link but its not working. How to check the…
Nik
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Use my HDMI port as an input

I've an HDMI port on my Windows laptop. I often use it as an output port connected to a TV. I need to do the opposite. I would like to know if it´s possible to connect an other hardware (this one send the video through its own HDMI port) on my…
Fractaliste
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