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Questions tagged [webcam]

Questions related to webcam setup/configuration. Please mention your model/make of webcam when asking questions.

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25 views

HD USB Camera creates two /dev/videoX

When I plug a HD USB camera, I see it creates two /dev/videoX ports: One with MJPG and YUYV pixel format output One with H264 pixel format output I want to give a name to the H264 device with an ...
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7 views

gspca_zc3xx webcam does not work with skypeforlinux

I have an old Creative NX Pro webcam. In short, guvcview and v4l2ucp work perfectly; cheese can't find the webcam; and Skype can find the webcam but shows a black screen. Diagnostics: $ cat /etc/lsb-...
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8 views

high-pitched sound when recording

Ubuntu 16.04 Thinkpad T420 Here's what happens when I try to record video through my webcam. It happens when I use Cheese and also VLC. I've tried turning down the speaker volume (muting) to kill ...
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1answer
52 views

Error in running webcam using Cheese application on Ubuntu 18.04

When I open the Cheese application in Ubuntu 18.04 I get this error message: There was an error playing a video from the webcam.
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0answers
89 views

Cheese Error during camera setup: No device found

When running Cheese in Ubuntu 18.04 the LED of the webcam is on, but Cheese does not work and provides the following output. (cheese:4175): Gtk-WARNING **: 11:05:59.527: Theme parsing error: cheese....
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0answers
16 views

Issues with OpenCV HIGHGUI reading camera properties

I am using Ubuntu 16.04.4 VM (vmware workstation 14) with a Windows 10 host. I am running a custom program from a third party that requires a UVC compatible camera. I am using a Logitech c920 camera. ...
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106 views

Logitech C922 webcam not detected on Ubuntu 18.04LTS

I just got a Logitech C922x (USB) webcam which I need to install on Ubuntu 18.04LTS. I tried on Cheese and on Skype, but it says that the device is not detected. Any idea? Thanks a lot for your help. ...
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0answers
32 views

Force mount location for USB cameras

I'm using two USB cameras for a project, one regular cam and one stereo cam. The regular camera has two mount locations with different output formats in each, /dev/video0 and /dev/video1. The stereo ...
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1answer
57 views

Indicator to enable / disable Webcam

I recently bought a Webcam to be used for making Youtube videos, and connected it to my Ubuntu Bionic PC. I'd like to have an indicator to disable the Webcam when it is not in use, similar to the ...
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26 views

Webcam disconnects/crashes once per session after ~5 minutes

Ubuntu 18.04 Kernel 4.15.0-34-generic Standard Gnome+Xorg Logitech HD Pro C920 I have this issue in both Google Hangouts and Google Meet, in both Chrome and Firefox. Consistently, once per call, ...
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10 views

V4l issue with webcam applications

I would like to force all my webcam applications (ex. Cheese, Skype, Etc) to preload the line export LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libv4l/v4l2convert.so I've added this to my .bashrc and if ...
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105 views

HP Elitebook 8460p Laptop Webcam Not Detected? Ubuntu 18.04

Okay so I got a "new" laptop off of craigslist about a month ago and installed Ubuntu 18.04 on it as Windows 10 kept crashing on me. I tried using the Cheese program and it shows me this: "No Device ...
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144 views

how do I solve for device not accepting address 73, error -71

I have a network camera, that has a USB port. Every time I plug in the cable it says (from dmesg): [74305.563588] usb 3-1-port4: attempt power cycle [74306.167275] usb 3-1.4: new low-speed USB ...
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0answers
25 views

Lenovo Thinkpad 25 (retro) webcam doesn't work with Ubuntu 16.04

The camera on my thinkpad just displays a very static-y image. I could post screenshots if that would help. Reaching out to Lenovo, it seems that particular Thinkpad doesn't support Ubuntu officially. ...
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0answers
166 views

Unable to make video and audio calls with Pidgin (Skype)

I'm using Pidgin to communicate with my colleagues through Skype (yeah, I know, Skype... right) Thing is, I seem to be unable to make video calls debug log: (15:58:16) mediamanager: gst pipeline ...
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2answers
53 views

Accidently deleted /dev/video0 and can't access the web cam via cheese

To solve a issue I created another issue. I read this two code on some forum: sudo rm /dev/video0 sudo mv /dev/video1 /dev/video0 Now I can't access my web cam plus the python script that I had ...
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0answers
45 views

Take pictures automatically from mobile camera and use it as a web cam

I have found a python script which can automatically capture my photo through web cam. My web cam quality is far inferior and I need superior quality photo because I wanna use that for image ...
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0answers
41 views

Genius Eye 312 webcam cannot start streaming: Broken pipe

What can I do to make the webcam work? (Even with default app like cheese) I have been searching, but no found solution works. Using Video4Linux control panel, the webcam is detected ( device USB ...
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0answers
36 views

Integrated webcam not working on Lenovo Yoga 510 (Ubuntu 18.04) [duplicate]

I have installed Ubuntu Bionic Beaver on my Lenovo Yoga 510 Laptop. I need Skype, but my webcam does not work. It seems not to be recognized. Cheese does not work either: "No Device Found" My lsusb ...
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0answers
25 views

Webcam image has flipped on Ubuntu 16.04

For some reason the the image from my webcam has vertically flipped on Ubuntu 16.04. Ideally, I would like to know how I can rotate the image, preferably using some kind of GUI. I haven't been able to ...
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0answers
41 views

Razer Kiyo Linux Control

The following indicates that the Razer Kiyo can be used under Linux: Does the Razer Kiyo work under Linux? Does anybody know if the ring light can be controlled via software on Linux? If so, is it ...
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0answers
29 views

No video from Webcam on Skype

I have moved to Ubuntu 18.04 and my Skype (*.27.0.85) video is not working. I have a Logotech webcam, which is also the microphone. The sound is working OK. On Skype they are both showing as a USB ...
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0answers
53 views

Webcam not recoginized on 18.04

Webcam is a SJCam SJ4000 and worked fine on Artful. It is recognized as mass storage when that option is chosen on the cam. I get nothing when trying cam mode on Bionic. lsusb output without cam ...
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0answers
796 views

Intergrated Webcam Not Working after upgrade to 18.04

I'm new to Linux, but fear not, I am posting here after having tried all the relevant solutions available and also asking a friend who is proficient in Linux to have a look. My problem still persists. ...
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0answers
29 views

LogoTech Webcam and Cheese

I have just moved on to Ubuntu 18.04. Cheese is now saying 'No device found'. With 'guvcview' The camera lights up and I get a full view.
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0answers
26 views

webcam not detected/working - related to video driver?

Ubuntu 18.04 recent install constantly updated now with kernel 4.15.0-24-generic on a Dell laptop Latitude E6430. From what I can tell I have an Nvidea graphics chip NVC1 GF108GLM [NFS 520M] but ...
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0answers
22 views

Google hangouts Video lines then white

I've a logitech webcam ➜ ~ lsusb | grep cam Bus 002 Device 006: ID 046d:0825 Logitech, Inc. Webcam C270 It works with Cheese and used to work with google hangouts. Now with google hangouts I get ...
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0answers
92 views

my built-in webcam is not detected in my asus X555Q in ubuntu 16.04

I read a lot of questions about this, and nothing worked for me yet. When i use cheese it says that no device was find. Its not working in ubuntu nor windows and application like skype of website ...
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1answer
482 views

MacBook Pro camera not working on Ubuntu 18.04

I've tried the solution on this website https://medium.com/@racter/how-to-install-ubuntu-16-04-on-a-retina-macbook-11-2-74e7779c0e47: $ cd /etc/local/src $ git clone https://github.com/patjak/...
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0answers
88 views

How to make Lenovo E440 integrated webcam work on Ubuntu 18.04?

I have searched a lot of topics over the Internet, but I still can not resolve this issue. The webcam is not detected on my Lenovo ThinkPad E440 laptop with Ubuntu 18.04. In fact, it behaves very ...
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2answers
611 views

Camera not detected in Ubuntu 16.04 LTS

Today I went to participate in a Google Hangout using Chrome browser. The browser reported "Camera not detected". This was surprising, as I have used the camera about once every two months for the ...
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0answers
48 views

Why am I having two /dev/video* devices?

I have searched that using v4l2-ctl --list-devices could list all the cameras and by default /dev/video0 is the integrated camera. However, when I remove my usb camera, I still get the output below ...
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1answer
939 views

VIDEOIO ERROR: V4L2: Pixel format of incoming image is unsupported by OpenCV Unable to stop the stream: Device or resource busy

Running a private code that reads the data from the Webcam, I get the following error: Loading weights from handyolo/weights/000010.weights... Done! INFO:...
1
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1answer
264 views

v4l.c:52:28: fatal error: linux/videodev.h: No such file or directory

I am trying to install the driver for PS3 eye camera in Ubuntu 16.04 however using this tutorial, after the make command, I get the following error: Making all in cpi make[2]: Entering directory '/...
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0answers
80 views

Webcam works with webrtc but not in vlc

I am running Ubuntu 18.04 LTS. Here is the dmesg when I connect the camera. It doesn't look right. [ 4721.516013] input: UVC Camera (046d:0825) as /devices/pci0000:00/0000:00:14.0/usb1/1-11/1-11.1/1-...
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1answer
139 views

motion server doesnt start

I have a webserver with motion v 4.0, but motion doesnt start on boot, I have to tell it to start every time with sudo motion -b then everything is cool until I need to reboot. I have tried editing ...
0
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1answer
157 views

Unable to get camera video with ubuntu

I am trying to display the camera video with VLC vlc v4l2:///dev/video0 but so far all my attempts failed. I tried different SO answers like here. But the error I am getting is still the same: ...
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0answers
43 views

Run script when virtual camera is turned on

I know that using the v4l2loopback it is possible to create a virtual webcam or video device, which we can feed by sending streams using tools like ffmpeg. It would be very nice to run a script ...
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0answers
19 views

how do I get a smooth video stream?

I have motion server setup on a PC using a USB web cam, but the video quality is low, and the stream is laggy. Im just wondering how I can improve the streaming quality to remove the lag, while ...
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0answers
100 views

Internal webcam not working on surface book 2 new ubuntu install

When I try to use skype it just says webcam not found. I found a guys post that said he used this command git clone git://linuxtv.org/media_build.git cd media_build ./build sudo make install but ...
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0answers
71 views

Kamoso webcam takes mirror/inverted image

Trying to quickly get a picture of a CD cover with my laptop in Kubuntu 18.04, I realize Kamoso is showing and taking not the actual image, but an inverted one, a mirror picture. This odd behavior ...
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0answers
208 views

how to use sony ps3 eye camera as webcam

im a newbie ubuntu user. I wanted to know how i can use sony ps3 eye camera as my webcam.please help me with it. im a newbie ubuntu user. I wanted to know how i can use sony ps3 eye camera as my ...
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0answers
71 views

How to use dvgrab to video capture from a laptop/USB webcam?

I expect dvgrab to be smart enough to auto-detect my webcam, but dvgrab - | mplayer - Error: no camera exists So I try the man page USB webcam option $ dvgrab -V Error: v4l2reader.cc:66: In ...
15
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1answer
2k views

Redirect real webcam to a virtual webcam via terminal

Is there a way to redirect a real webcam to a virtual webcam from the command line, for example using the v4l2loopback module with ffmpeg ? Details I have an old webcam which works with most ...
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0answers
149 views

Webcam's LED indicator turns on by itself. Ubuntu 18.04

I don't use any applications could use camera. I have fresh, recently installed Ubuntu 18.04 and only two programms I've installed were Chrome and Geany. I also ran two commands in terminal with ...
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1answer
56 views

pangolin : No known video handler for URI 'convert'

I was trying to execute an example program called Simple Record in Pangolin tool(lightweight portable rapid development library for managing OpenGL display / interaction and abstracting video input) ...
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0answers
9 views

Streamlink to Webcam on Ubuntu? (or webcam from file)

I want to capture a live hls stream using Streamlink and send it to a dummy webcam which then can be sent over Skype, video chat etc. I currently have Streamlink working and can send the stream ...
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0answers
413 views

When starting ubuntu 18.04 LTS the webcam LED does not turn off

It only happens from time to time. The webcam is integrated in the Lenovo notebook. webcam lenovo EasyCamera. To turn off the led I have to run cheese and then I have to turn it off. Is this normal?
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0answers
32 views

My SD card that I use with my truck's dash-cam says disk full. but disk is blank

I use Ubuntu 17.04 and the dash cam in my truck records to a SD card. When I put it in my dash cam it says card full, but when I put it on my desktop it says it's empty. I just want it to be like new ...
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0answers
40 views

VLC doesn't display while streaming webcam output to file

I'm using instructions from here to record webcam output to mp4 file on my Xubuntu 16.04 machine. It saves the output to file perfectly, but only problem is that I'm unable to view webcam output on ...