A photo or video device that's typically tethered to the computer via a standard bus such as USB.
Use should be limited to questions regarding the configuration, setup, and operation of a tethered image capture device.
Questions tagged [camera]
268 questions
26
votes
3 answers
How to know if my webcam is used or not?
Which command allows me to know if my webcam is used or not?
lsof /dev/video0 is not sufficient. All block devices with major and minor number 81 and 0 should be monitored.
user123456
- 5,018
21
votes
2 answers
Webcam effects on Linux
With sudden working from home, video conferencing is all the rage, and many of the more fun features are only built-in to the Windows clients, such as background blur, changing background images, filters, turning yourself into a potato, etc. I…
Karl Bielefeldt
- 583
4
votes
1 answer
Having Cheese automatically take a pic and quit
I use Cheese as my webcam software. I am trying to figure out a way to have it :
Start
Click a pic
Exit
when a script is executed. The script should not be asking for permissions and there shouldn't be any interruptions. So far,
#!/bin/bash…
user14517
3
votes
1 answer
Change global webcam settings from terminal
I need a simple script that can change my webcam settings. I want the changes to be applied globally, just like with guvcview. Most importantly, I want to be able to turn on the auto exposure setting.
I have checked the man page and I don't think…
Jezor
- 155
2
votes
1 answer
How to install DroidCam?
I tried to follow this video. I do not have install in the directory droidcam.
Error after advice:
Elena Greg
- 257
1
vote
0 answers
HP TrueVision HD Camera - Cheese show black screen
I have a HP laptop with Ubuntu 22.04 with a built in Truevision camera.
When running cheesethe LED indicator next to camera lights up but the screen is black. The buttons in cheese is disabled. Pressing q to quit does not work so it seems like…
hschou
- 2,910
- 13
- 15
1
vote
1 answer
I have a webcam (041e:401e) with Linux kernel 5.12.5; is the webcam obsolete?
uname -r: 5.12.5-arch1-1
lsusb -s 001:007: Bus 001 Device 007: ID 041e:401e Creative Technology, Ltd Webcam NX Pro
Yesterday my Zoom app recognized my camera but not today.
Noticed /dev/video* not found.
Found it used driver: spca5xx/LE gspca…
user451199
1
vote
1 answer
Why can't uvcdynctrl see my webcam?
I have added a Creative Labs Live! Optia webcam to my Debian Squeeze machine and can see it using lsusb.
Unfortunately, when I use uvcdynctrl -l I get the message No Devices Found
I am on Kernel version 2.6.32 which I understand contains the uvc…
lankylad
1
vote
3 answers
How to build a monitoring system with an infra cam?
I need to place 2 USB (?) webcams that are looking at two doors. No sound needed, just a few things:
video files must be saved at least for 30 days (I have two eee pc's for the two webcams, so cable length doesn't matter)
video quality must be good…
LanceBaynes
- 40,135
- 97
- 255
- 351
1
vote
0 answers
webcam not working: one or more needed gstreamer elements are missing
After the latest updates of Debian 8, the webcam is not working anymore.
In particular cheese shows "there was an error playing video from webcam".
Then I tried to run it with sudo and it shows another error message:
"one or more needed gstreamer…
Reyx_0
- 941
0
votes
0 answers
How many webcam devices in my os?
I have only one usb-camera device connected to my pc.
lsusb
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root…
newview
- 205
0
votes
0 answers
How to enable MJPG on a USB Camera (video)?
I got a camera module over USB, which is supposed to support MJPG format allowing better resolution/framerate than the VYUY default codec.
After several tests on my Debian, I could not make the MJPG format to work: both, using my webbrowser and a…
Adrian Maire
- 1,916
- 4
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- 30