Questions tagged [webcam]

A webcam is a video camera that sends its video data to a computer in real time, as opposed to recording it first.

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Do most webcams contain ROMs (which could contain malware)?

If I use a plug and play webcam, is it likely to contain a ROM (e.g., for drivers)? If so, is it likely to contain a virgin PROM when purchased? Edit: The reason why I am asking this is because I'm ...
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Dell Latitude 5520 microphone and camera stopped working

On one Dell Latitude 5520 notebook with Windows 10 latest version the Realtek microphone array and the Integrated WebCam stopped working. Uninstalling, reinstalling drivers, updating everything ...
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GoPro webcam app is blocked

I've got the GoPro Hero 9 and I'd like to use it in my Windows laptop. I've followed all the steps described here but when I want to open the app I get this message: it says "Seems the app was ...
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USB Composite Hub not detected, Windows 10

I've been having an issue lately with a webcam that I have above a TV quite far away from a Windows computer, not easily accessible. To reach it, I'm using a USB extension with a repeater + a second ...
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Why does Firefox not acknowledge camera and mic access on web page?

Gave Firefox camera and microphone access, but message requesting it displays and partly blocks the web page. On Windows 10 with the current version of Firefox on an HP desktop, a NexiGo N930AF USB ...
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Microsoft Surface Camera and Zoom/Skype/Everything

My Surface 7 Pro lives in a stand. It lives in a portrait orientation next to a 27" high dpi display. It is a great setup. EXCEPT it stinks for Zoom and other web meeting apps... because the ...
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How to access Windows Hello IR Camera

I have a Surface Pro 6 with a Windows Hello integrated infrared camera. Months ago, while using app.houseparty.com, a video calling service that has since been shut down, I discovered that it let you ...
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webcam support for fswebcam

I have tried capturing an image with my webcam but it fails: pi@raspberrywood:~ $ fswebcam -d /dev/video0 --save - > image.jpg --- Opening /dev/video0... Trying source module v4l2... /dev/video0 ...
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Is my webcam compatible with Windows 10?

I am developing a program (using Microsoft Media Foundation) that uses a specific webcam: LI-USB30-M034WDR on Windows and am experiencing problems with some of these. In the microsoft Camera ...
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Camera opens but shows no image

I have an built-in camera in my laptop (System-Windows 7, 64-bit). It used to work fine usually in zoom. But now when I turn on my camera in zoom it displays the white light besides the camera showing ...
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How to get webcam working in VirtualBox

I am running a dual-boot of Windows 10 and Ubuntu LTS 20.04. On the Windows partition, the webcam works without any problems. But in the Ubuntu partition the webcam does not work, shows in neither &...
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Why does pgAdmin use my Mac's webcam?

I noticed my webcam on my Mac Mini has the active light on while I'm not actively using any camera application so I decided to check it out by running lsof | grep "AppleCamera" in the ...
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Pop-OS! set default camera

I am on a fresh install of Pop-OS! and I have a web cam and capture card plugged in. Sometimes apps will pick up only the capture card as the first and only device (until I unplug it, then the webcam ...
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Using openRTSP to record from Eufy Cam 2 Pro

I have a couple of Eufy Cam 2 Pros. I want to record the RTSP streams to my NAS. I have tried the built-in NAS service, which only works with synology, as well as many open source video recording ...
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Dell Peripheral Manager 1.5.0 Shows Service Not Running

I recently purchased a Dell WB7022 Webcam. After setting it up and installing the Dell Peripheral Manager (version 1.4.2) software everything was fine. I was able to configure the webcam and tweak ...
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dummy_hcd loopback webcam. Impossible?

I've been trying to create a loopback USB Webcam device with the help of dummy_hcd kernel module. Steps I've taken: I load libcomposite via modprobe libcomposite. Then I load dummy_hcd via modprobe ...
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Wecamoid Codec Configuration for Webcam

I bought and installed a webcam: NexiGO N30-AF. I'm currently using Ubuntu v21.10, and initially planned on using Cheese, as it worked in the past, but it seems to have a universal bug, as you can ...
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New NexiGo WebCam working as expected, however, the Cheese application starts recording at the time the cam was plugged in

Each-time I try to record myself using the cheese application, the app starts recording at the time that my web cam was plugged in. In other words, each recording, starts at 00:00, but instead of ...
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USB devices conflicting on Windows 11

I'm having a very unique and quite annoying issue while installing my devices on a new Windows 11 installation. I have a generic webcam which I use with Cyberlink YouCam software, and on a different ...
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Change default position of "camera shared" marker on Firefox

On Firefox, a marker appears at the center in the top border of my screen whenever an app is allowed access to the camera. Are there any config options of Firefox which would allow me to set the ...
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Sending screen output as webcam input

I need to trick a program in my virtual machine (Virtual Box) to think a portion (or entirety of my screen) is the webcam feed it is getting. I couldn't figure out a good way to do it, except to hold ...
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Force webcam to use MJPG as default only

i have image issue with 1224:2a25 Jieli camera. Camera is working in browser but not in VLC or OpenAuto. I figured out, that YUYV 1280x720 is not working resolution...but this is unfortunately used as ...
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Logitech C930c + Zoom + 50Hz CFL lighting = flicker

This question is similar to an earlier question of mine: C270 webcam + LED ceiling light + zoom = luminosity wave pattern This time, the settings are different: Windows 10 OS Logitech C930c webcam ...
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FFMPEG rtmp "connecting" instead of "listening"

I want to accept an RTMP stream (from OBS) and send the video feed to a v4l2 loopback device, similar to https://stackoverflow.com/questions/31484616/linux-ffmpeg-get-rtmp-stream-and-convert-into-a-...
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How to change "Bus Reported Device Description" on Windows?

I'm trying to change webcam's name to a custom one. I know how to change device description (DeviceDesc) and device name (FriendlyName) in regedit so that the device in devmgmt.msc is displayed the ...
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Deactivate noise-cancelling of Logitech C270

For a little project of mine, I would like to leverage an old Logitech C270 to record sound. Unfortunately the built-in microphone features noise-cancelling, which renders it pretty useless for my ...
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what's the current way to stream a /dev/video to internet by ffmpeg after the ffserver is deprecated?

I'm studying how to live stream my webcam which would be recognized as /dev/video0 in linux to the internet. I'm trying ffmpeg, now get the following method works: 1.create a ffserver.conf file ...
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Integrated webcam not working - Displayed as Unknown USB video device on Device Manager

Anyone have any ideas on this issue? My integrated webcam is displaying under "Unknown" as a USB device. It's not working on Skype or Zoom. Confirmed it's working on Windows 10 camera app. A ...
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Recording intermittent RTSP stream

I have a Eufy Cam 2 Pro and rather than buy cloud storage services, I wanted to record the RTSP that can be enabled on the camera. As the Eufy camera is battery powered, it only outputs the RTSP ...
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Can LAN affect internet speed in case of using android camera as a webcam?

I would like to use the camera of my android phone as a webcam for my PC to make international video calls and share screens. I know that LAN is completely different from WAN but I'll connect the ...
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Record webcam like a dashcam [duplicate]

I would like to use FFmpeg to record the last 5 hours from the webcam to file like a dashcam. Creating a new file every 5 hour is acceptable, overwriting the current file is too.
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Webcam - brightness adjustment does not work on windows camera or MS teams but works with webex, zoom

I have got a webcam (Tukzer TZ-C01-WHT), but my video was very dark (Windows 10). So, I emailed the Tukzer support and they told me how to user brightness on windows camera app/zoom. They told that by ...
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ffmpeg mjpeg pixel_format does not work with avfoundation

I'm capturing a video using a webcam that supports streaming its output as mjpeg. So far I've been doing it successfully on linux as follows: ffmpeg -pixel_format mjpeg -i /dev/video4 ... However, I'...
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1 vote
1 answer
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Why did my UPS works as expected if unplugged from wall, but seemingly failed when an actual power disruption occurred?

I've got several UPS units protecting my various devices. Today the room lights flickered for a minute, I heard a UPS "clicking" sound, and got notifications from my Mac that a few of my ...
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Mac webcam as a device file

I'm messing around with wine on Mac, and it went pretty well for a while (I even helped someone port his app to Mac). Recently, I started playing with webcam, and this time I run into a problem. /dev ...
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How to stream from webcam while simultaneously saving the stream to a local file using ffmpeg? [duplicate]

I want the stream from my webcam to be displayed at the screen and be saved to a file. I'm using command ffmpeg -f v4l2 -i /dev/video2 -framerate 30 -video_size 1280x720 -c:v utvideo -f tee -map 0:v &...
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USB Webcam over Remote Desktop Only Works Once (On Initial Login)

I'm trying to use a usb webcam over remote desktop. Both machines are Windows 10. It works. But only once. That is, the remote desktop session has to log in the user. If I disconnect my remote ...
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1 answer
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Windows 10 internal webcam doesn't start

I have a webcam but recently it doesn't work. It returns: enter image description here But I have the control lamp is lightened. I have tried to uninstall the device in the device manager. But first I ...
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Laptop Integrated Camera not detected at all

So a while ago I dropped my laptop (Lenovo Flex 5) and shattered the screen with a large chunk in the camera/speaker region. The screen still worked, the touch would be finicky and sometimes work and ...
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My GPU is interfering with my camera output, but both work fine?

I have a Radeon RX 590 GPU and a Victure SC30 webcam.They do not get along. When I connect this camera into any of my USB ports, the output is clear except for frequent glitching and tearing. I know ...
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Changing Webcam identifiers

Recently I tried testing whether my webcam is accessible to the browser(used google chrome) properly or not. I gave the camera access to a website (https://webcamtests.com/) for the test and it was ...
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How can I run multiple USB webcams on Linux?

I wanted to build a system that can take live video data from four different webcams to run object detection over, but each time I try running a second webcam, the first shuts down. I'm running Ubuntu ...
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What happened to Devices -> Cameras in Windows 10 settings?

My USB webcam is too dark and I wanted to change its settings without installing any closed source software from the manufacturer. I'm trying to find information about Win 10 settings that could ...
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External webcam automatically turned on when laptop was on sleep mode

I have a Dell Vostro 3568 and it runs on Windows 10. Something strange happened today. I exactly remember to put my laptop on sleep mode with an external webcam, have LED lights, connected to it. In ...
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1 answer
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Adding ffmpeg filter to motion image-output

I want to be able to apply keystone correction to a webcam stream. The raw image-stream contains a rectangular background and I am using a rectangular overlay, which the user drags the corners to ...
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Send webcam output over Internet

So I will not be home for a few days and would like to see what's happening at my front door. I have a laptop with the latest xubuntu on it and with a decent quality webcam wich is what i would use to ...
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1 vote
1 answer
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How to have a side-channel stream while writing video recording to a file

I'm trying to come up with a way to use ffmpeg to write a webcam recording to a file, while sending some frames to a python process for online processing. The important parts are - The write of the ...
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3 votes
1 answer
762 views

Get device info for dev file

This is a very simply question. I have 3 potential camera devices in /dev/: video0, video1 and video2. I need to find out which one is my actual webcam and which one is a loopback device. I couldn't ...
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2 votes
1 answer
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Why does google chrome completely disallow microphone access in a server?

I am hosting a html file using a server hosted from a python script. The html file includes some sort of speech recognition, so it needs the microphone. I open the html file using the google chrome ...
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Force a webcam to use a specific resolution

I want to force a webcam to only use a specific resolution. Discord and facebook etc seem to default to maximum resolution, and I want to stop this behaviour in preference to lower resolution and ...
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