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Questions tagged [camera]

A photo or video device that's typically tethered to the computer via a standard bus such as USB.

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15 views

What CCTV software is available for Debian?

Is there any good open source ip camera software out there? I have tried zoneminder but my computer isn't compatible, and shinobi seems to only be for CentOS, Unbuntu and others but not Debian and ...
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0answers
19 views

Error trying to access other system's camera by ssh within a python script [migrated]

I am trying to access a live video from other system . for that i have copied a python opencv file in the remote system and i tried to access the video using ssh from my python script . >>> ...
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0answers
25 views

How to see laptop camera logs on Ubuntu

I would like to know if it is possible to discover when my laptop camera was used over the past 7 days. eg. Is there a log for that? I am running on a Ubuntu 18 machine.
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0answers
38 views

restrict access to the webcam to certain user/software on Ubuntu 16

I would like to restrict the access to the webcam only to certain programs/users. I use Ubuntu 16.04. If I am right my webcam is linked with /dev/video0 (just as an example), which is owned by root ...
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0answers
96 views

Multiple /dev/video for one physical device

First some specs: my computer is an HP EliteBook 8460p. It comes with an integrated Chicony HP HD webcam. My issue is that a lot of applications (well, at least Skype and guvcview) are displaying ...
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1answer
130 views

Get video device on embedded Linux SoC

I'm trying to find the camera module device of an IP camera (running Linux), without much success. My main objective is to find the camera stream, so I can attach an RTSP server. Update 26/02/2019 ...
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0answers
421 views

How to get IR camera to work on Linux?

I have an ASUS Q524UQK laptop with integrated Realtek IR camera and it doesn't work on Linux Ubuntu 16.04.5. I was looking on net for drivers but found nothing. lsusb and lspci outputs doesn't show ...
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0answers
17 views

How can I detect a buffer overflow for attached usb recording devices? [closed]

I am streaming data with the realsense d435 camera and recording it into a ros bag. Sometimes there are chunks of data missing and I suspect it is a buffer problem. Is there a way to monitor the size ...
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1answer
37 views

Is someone spying me through my webcam?

I executed the following command in terminal and got the output: Command: lsmod | grep uvcvideo Output: uvcvideo 86016 0 videobuf2_vmalloc 16384 1 uvcvideo ...
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1answer
688 views

Create a virtual UVC device to stream video as webcam

I'm looking for a way to use a video file and stream it so it looks like it's a real UVC device. I did some research and I found uvc-gadget But I can't work out if this does what I am after. I have ...
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1answer
301 views

Cannot connect USB webcam to computer through KVM switch?

I recently purchased a KVM switch (this one) to allow me to use both my computers with one set of peripherals. The device works in all respects (including on my usb keyboard and mouse) except I ...
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0answers
14 views

How to interface dashcam with self storage with Pi?

Posted in Pi StachExchange, they suggested I ask here since it's more of a general Lunix question. I have an AutoVox A118 dashcam. It works as a dashcam should, but I want to add a Pi to my vehicle ...
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0answers
312 views

play 4 rtsp streams in fullscreen

I have 4 IP cameras in my network, and I need to play the 4 streams at once in a grid view, currently i execute this command: ffplay rtsp://10.1.10.123 for each IP and then I rearrange the windows,...
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1answer
661 views

Allow multiple programs to access the same V4L2 device

I'd like to be able to capture input from a webcam to to separate programs. One for VoIP, and one for capture. The problem is - Linux will allow only one process to access a V4L2 device, so once I ...
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1answer
2k views

How to manage the white balance in webcam

On Linux my webcam works fine, but when using artificial lighting the white-balance is too reddish. Color look fine with natural illumination. Is there a way to calibrate the colors or have some form ...
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1answer
292 views

webcam - xawtv & mplayer

Folks, I am running through a weird problem. I am running Debian stretch on my thinkpad t430. When I try to capture video using my integrated webcam, I am able to view a streaming video, if I xawtv -...
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2answers
856 views

Rotate webcam as well as screen (portrait mode)

TL;DR: Is it possible to rotate by 90 degrees the feed of a built-in screen webcam? I have 2 screen monitors, one in landscape and one in portrait mode. The webcam is on the "portrait" monitor, the "...
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0answers
2k views

Cheese: No device found

I am trying to connect and use a logitech camera in linux on a zedboard (4.9.0-xilinx-00034-g6629200-dirty). I have it connected to the USB OTG port and the kernel image is built from the xilinx ...
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0answers
302 views

Linux (Solus): trouble connecting USB camera (Apple iSight)

OK, this might be a bit of a long shot... I'm trying to get an Apple iSight camera to work in Linux (Solus Budgie). Not a built-in iSight, but the original 'old school' one, which connects with a ...
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1answer
3k views

Motion is taking an image every second even though it is setup not to

I am running motion on a Raspberry Pi with a surplus Microsoft Xbox camera. To the best of my knowlege I have set it up to only take an image every 30 minutes and to also create a daily timelapse with ...
0
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1answer
69 views

motion blue and black image on built in server - saved images are ok [closed]

I'm experimenting motion on my desktop, My webcam: Logitech, Inc. Webcam C270 Output Images and video are ok but the image on built in server aren't. They are like blue and black - almost ...
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0answers
93 views

Live capable highspeed camera for Linux?

I am tasked to set up a number of highspeed cameras on top of a foosball (? aka. table soccer ?) table to allow for slowmotion replay of interesting moves and goals. So far a test setup is ok by all ...
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1answer
236 views

Writing start script with different working directory

I installed octoprint to my raspberry pi earlier this year in order to control my 3d printers. I've been able to make the pi control 2 printers at once using octoprint. Also I've added a second ...
2
votes
1answer
506 views

How can I disable my internal webcam?

I recently bought a refurbished second hand Lenovo ThinkPad T530. It mostly works very well, but the internal webcam seems to have a problem, which sometimes causes the laptop not to boot on Linux (I'...
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0answers
608 views

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. ...
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0answers
384 views

Uploading a webcam stream via ftp in realtime

So here's the situation. I'm trying to build a watching program for my linux box with an inbuilt webcam, that starts recording when motion is detected, and uploads the recording to my domain. Motion ...
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1answer
623 views

How to configure image size with gphoto2

I'm using gphoto2 with Lubuntu on a acer Aspire One and a Nikon D70s, all old stuff, but still usefull. But i have a problem when i try to take a picture from command line, because all the pictures i ...
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0answers
523 views

Built-in webcam not recognized

I have a Dell Inspiron 5547 (500 Series) running Debian Jessie 64 bits. My lsusb output is: Bus 001 Device 004: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller Bus 001 Device ...
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1answer
5k views

Camera not working on MacOS Sierra (and High Sierra)

After installing the last MacOS Sierra update, I lost my camera on Facetime and Skype, and in web apps; the name of the camera to be selected simply stops appearing on those apps, it is as if I do not ...
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1answer
307 views

Show Motion stream on multiple web page

I am running motion, and so far everything work nicely, I can access the stream on port 8081, without problem. Is there a way to show the stream of the same webcam on multiple port ? If yes, how ? I ...
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2answers
1k views

Turn on Webcam Device with Command

I have a problem about using webcam from terminal. My notebook is MSI GE60 2PC Apache, and my OS is Debian 8 Jessie. When I press FN+F6, my webcam turns on and I can use webcam with cheese ...
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0answers
169 views

Arch on Pogoplug running MJPG-streamer - How to disable LED on Logitech cam?

I put Arch Linux on a Pogoplug v2 POGO-E02. I got wifi working and installed MJPG-Streamer from the AUR via packer. The video stream is working fine, but as this is a security camera, I would like to ...
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1answer
871 views

No wifi “Intel Corporation Wireless 3160” and the webcam is not detected also on Debian Jessie

I am using Debian GNU/Linux 8 (jessie) 64-bit with GNOME(3.14.1) in my computer. My problems are really "simple": I don't have wifi (no drivers). My webcam is not detected either. Just wanted to ...
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1answer
2k views

Mounting a camera as a disk from command line

I would like to mount my Nikon Coolpix camera as a disk on my CentOS 7. Following http://hintshop.ludvig.co.nz/show/persistent-names-usb-serial-devices/ and https://www.suse.com/communities/blog/...
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1answer
40 views

Trying to get sh to run when usb camera is connected

I have tried this: How to execute a shellscript when I plug-in a USB-device and have the following output for "lsusb": Bus 002 Device 007: ID 046d:0825 Logitech, Inc. Webcam C270 and in /etc/udev/...
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1answer
95 views

Creating a timelapse with guvcview

Is there a way to create a timelapse video (or similar) with guvcview? I'm using an external (USB) camera and ordinary footage seems to very quickly fill a hard drive. Can I get it to record an ...
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0answers
349 views

Unable to use Logitech C270 in Fedora 25 under VirtualBox

I have a Fedora 25 VM running on VirtualBox 5.1.14 under Windows 10, and a USB webcam (Logitech C270) plugged in. I have configured the USB filter properly so far as I can tell: But it doesn't seem ...
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1answer
615 views

Can't download contents of gopro on Linux Mint 18.1

I'm trying to download the contents of a gopro using Linux Mint 18.1 but I'm having trouble. The camera mounts automatically but when I access it via nemo there are some folders and no file. However, ...
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3answers
4k views

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.
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1answer
674 views

Adjusting keyframe rate ffmpeg/v4l2 Logitech C920 to YouTube Live

I am trying to stream video from a Logitech c920 to YouTube live via ffmpeg. I have a setup that works in Twitch, but YouTube rejects the stream with the message: Please use a keyframe frequency ...
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0answers
45 views

dvgrab error: driver recieved an incomplete frame

I am unable to use my DV webcam: # dvgrab -input /dev/video1 Waiting for DV... End of pipe "": frame dropped: timecode 00:00:00.00 date 1999.11.30 00:00:00 This error means that the ...
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1answer
3k views

“MPEG-1/2 does not support 3/1 fps” when sending webcam to ffserver

I am unable to send a stream to my ffserver. I started the server with ffserver -f /etc/ffserver.conf & where ffserver.conf has not been modified. I tried sending a webcam stream with ffmpeg -...
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1answer
89 views

Network burden of RPi Cam Web Interface

I'm wondering about streaming a Raspberry camera's output over the local network using RPi Cam Web Interface suite. I have a concern about the burden on wifi network bandwidth. Can anyone advise if ...
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1answer
594 views

How to do take webcam picture with repeatitively with a given interval (ffmpeg)?

The command ffmpeg -f video4linux2 -s vga -i /dev/video0 -vframes 3 /tmp/vid-$ts.%01d.jpg allows to take 3 frames with a certain interval. How do I specify the time interval between each shot. PS: ...
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2answers
550 views

Retrieve photos via USB from Canon EOS 350D

I have a Canon EOS 350D which has a bent pin in the CF slot. Therefore I do not want to take out the card more often then needed now, retrieving the images via the mini-USB port should be possible, in ...
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0answers
34 views

Determine USB data rate change and log.

Is there a way to monitor a USB (3) data line and record the data rate. I have a USB camera and would like to monitor weather or not it dropped frames or lost connection.
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0answers
603 views

cheese laggy webcam

My issue is when i want to take a pic using my webcam. The webcam image is really slow and laggy, but it used to work fine, maybe was an update or something, I tried my cam in omegle It worked fine. ...
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1answer
217 views

Webcam stopped working after installing V4L-DVB Device Drivers

On Fedora 24 my built-in laptop webcam was working fine. But, for some reason, I've installed V4L-DVB driver. After rebooting my webcam stopped working, every webcam software tells me that no video ...
3
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2answers
4k views

Why do I keep getting a “cannot connect to X server error”?

I am using the FLIR camera with my Raspberry Pi and running it on a Raspbian destro of linux. I've followed the instructions on the Github page perfectly when trying to setup the raspberrypi_video ...
2
votes
2answers
2k views

How to connect FLIR thermal camera to Raspberry Pi?

I've been trying to connect a FLIR thermal camera to my Raspberry Pi for the past three days. The code is being provided by the manufacturer and can be found here. I've downloaded the kernel and ...