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2
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0answers
17 views

Giving a user access to the webcam

I have a user that I use to run untrusted programs (more specifically, Skype). I would like to give that user access to the webcam. I am using Debian, where the standard way to do this is to put ...
0
votes
0answers
19 views

Status of UVC 1.5 support in Linux

My (Debian 8) kernel, 3.16.7 only detects the Logitech C930E webcam as UVC 1.0 (when it does support 1.5). Searching the Internet only throws up kernel patches, most of them from Pawel Osciak form ...
1
vote
0answers
36 views

How to stream webcam on linux vps with videolan and output to html

It used to be quite simple to stream my webcam facing out into the yard to the world on my website. However, telstra has changed things where can't find a way to point my webcam to anything but local ...
0
votes
0answers
18 views

SONY Cybershot DSC-WX150 camera won't mount on Fedora 19

How do I mount my SONY camera? I wanted to look at the my photos on may SONY Cybershot DSC-WX150. I plug it in and then turn the camera on. The camera did not automount on Linux (Fedora 19).The ...
0
votes
0answers
67 views

Enable Logitech HD C920 Webcam In Skype

It shows in settings (Options/Video Device Settings) but it will not broadcast in a Skype call. I'm using Elementary OS which is a distribution of Ubuntu 14.04.
0
votes
0answers
83 views

USB Webcam and Mic not working at the same time - Rocketfish RF-HDWEB

On a new installation of Debian, this USB webcam/mic combo (Rocketfish RF-HDWEB) is unable to broadcast the cam and mic simultaneously. I am testing it on the tinychat website which uses flash to ...
0
votes
1answer
36 views

How to use Mac Camera on Ubuntu Desktop

I am trying to feed my mac's camera into my ubuntu desktop. Any advice on either how to do this or the proper forum/resource to use to find out?
0
votes
0answers
117 views

Getting webcam to work in gentoo

My webcam is working properly using Camorama , Guvcview and WebBrowsers[firefox,chrome] , ekiga recognizes my webcam too and it even turns on its indicator light but there is nothing but a empty ...
0
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0answers
69 views

Debian BT878 card stream to external zoneminder

I placed 2 analog cameras in my countryside. I placed one computer and installed ubuntu with zoneminder, but it was too slow and didn't work properly. So now I have another idea - I have VPS on which ...
0
votes
0answers
130 views

Slide Scanner not recognized in Linux Mint

first of all: I'm using Linux Mint 17/Qiana, I previously asked this on askubuntu, and got redirected here, so I hope this is the right place to ask this :P So I am trying to get a slide scanner ...
0
votes
0answers
458 views

How to record video from an old webcam using ffmpeg on Linux?

After couple of hours I'm finally ready to accept my absolute lack of knowledge in that topic and decided to post this question here. I've been trying to record video from an old external USB webcam ...
0
votes
0answers
78 views

Chromium Web camera

I'm using Debian Wheezy 64bit. And I have an issue with my webcamera (HP Probook 4440s). I think its just chromium issue. Because: I open my Google Chrome and call to my friend with Facebook. And ...
1
vote
0answers
80 views

Saturated blue image in MJPG streaming with a Raspberry Pi and a webcam

I compiled mjpeg_streamer and it works correctly with my laptop's webcam (/dev/video0). But if I use my usb webcam (a4tech) it shows the stream like this: The command is as follows: ...
0
votes
1answer
46 views

USB3 to Ethernet stops after sometimes

This is my first post to this website. I this that my question is related to serverfault cause it is related to ethernet communication issue. If you disagree please let me know what is the appropriate ...
1
vote
0answers
56 views

Replace webcam transmission with an image from the hard drive

I'm working with an Android app installed in my Arch Linux using the emulator Genymotion. This app is not mine and I have not access to the source code, I'm just working with it. In some part of the ...
1
vote
0answers
218 views

release/close capture of camera

I have opened webcam for capturing using OpenCV in C++. Then I stopped the program using CTRL+Z; The webcam could not turn off, Because was not defined in program. And I can not start my program ...
1
vote
0answers
96 views

Uvcvideo trying to load a camera twice

I've got a problem with uvcvideo, where I get this error at startup: uvcvideo: Failed to query (GET_DEF) UVC control 2 on unit 1: -32 (exp. 1). which also shows up in dmesg if you unload and load ...
2
votes
1answer
231 views

IP Camera with embedded Linux

I have purchased an IP Camera from Ebay (http://www.ebay.com/itm/151349669865). When I read the description of the camera, it said it has an embedded linux in it. I though that I will be able to ...
1
vote
0answers
193 views

Centos web camera, fast application for snapshot?

I'm using ffmpeg for taking snapshots / still images with web cameras. I'm going to use several web cameras to take photos at the same time or one after the other (timelapse). It's important for me ...
1
vote
0answers
432 views

Chroma key (green screen) live for a webcam?

Is there a way to apply chroma key live to a stream that's used in video conferencing. Webcam works fine though v4l (Cheese, Ekiga). This but in Linux.
0
votes
0answers
226 views

How can I mount the Logitech C270 in the zynq-7000 (with Linaro linux)?

I am doing camera control programming for a university project using zynq 7000. I want to mount the camera module that's for the Logitech C270 (like this ...
2
votes
0answers
132 views

How do you determine the capabilities of a WebCam?

I have a collection of WebCam's lying around. Some of them are new, some go back a decade (gotta love not having to "upgrade" devices in Linux :). Somehow I've developed the impression that ...
2
votes
1answer
128 views

How to create dummy webcam?

I would like to join some videoconference, but I don't own a webcam and the conference software requires one. So my question is, can I create a dummy one? I don't care what the cam will cast, I just ...
2
votes
0answers
168 views

Motion command images are jibberish

It seems my motion command config will not take complete pictures. It used to take a few tiny ok images, and a garbled image, now after adjusting it to full resolution it takes a large image of ...
4
votes
1answer
124 views

Camera to check if I'm watching the computer?

Is there a program to do following: I have a webcam on my laptop. I would like that my computer starts a screensaver if I'm not watching my laptop and stop the saver when I'm watching the screen. Is ...
1
vote
1answer
303 views

How do I send RTSP video to a program that reads from a character device?

I have an IP-CAM that streams video over RTSP and I want to detect bar codes from it with zbarcam (from Ubuntu's zbar-tools package). According zbarcam's manual, it expects to be given a video4linux ...
5
votes
1answer
134 views

How can I get this proprietary low-vision camera working in Linux?

I am a visually impaired Computer Science student, and use a special USB camera to zoom in on the board/projector during lectures. The camera only officially supports Windows, and I've been using it ...
1
vote
0answers
509 views

How to record vfl webcam with ffmpeg? Cannot find a proper format for codec 'none'

Goal is to capture video from my old usb webcam (device 0733:0430). Trying to save video gives this error. (I've tried both ffmpeg and avconv.) Command ffmpeg -f v4l2 -i /dev/video2 -s 160x120 ...
2
votes
0answers
113 views

Building a Security System using Raspberry Pi [closed]

I have a spare USB webcam at home and I plan to order a Raspberry Pi Model B which will capture video and stream it live. This will be my first time handling a Raspberry Pi. Before oredring the ...
1
vote
0answers
238 views

cheese doesnt work in beagleboneblack installed with angstrom, using chipsee LCD

I am using chipsee LCD + beaglebone black and Logitech Webcam C270. I am using angstrome OS distribution provided by Chipsee. I wanted to use Cheese and see if webcam works fine or not. When i open ...
0
votes
1answer
1k views

Raspberry Pi webcam server streaming via an IP?

I developed one webcam server using my Raspberry Pi and Logitech webcam and Motion library. I'm able to view the stream by using Raspberry Pi's IP. If I use an IP camera instead of a normal webcam, ...
0
votes
1answer
116 views

Two Linux Mint 16 systems Skyping--one can see both parties on webcam, the other can see neither

I installed Linux Mint 16 32-bit edition on my netbook and a friend's laptop. When we Skype, I can see her live image, and I can see my own live image, so everything looks and sounds right on my end. ...
1
vote
2answers
396 views

Debian Wheezy vs Logitech Quickcam E2500

I've a bought a QBox-1000, I've installed Wheezy, and some services (SSH, Samba, Transmission, etc). Now I would like to step on a next level. I want to know what is what and how to do some advanced ...
0
votes
0answers
254 views

Grab from a webcam

On Linux it is easy to use an audio or video grabbing device as input to FFmpeg: ffmpeg -f oss -i /dev/dsp -f video4linux2 -i /dev/video0 out.flv Today someone in kirupa forums said they ...
1
vote
1answer
539 views

dark image in Skype but without a problem in other apps

I've just moved to Linux Family. I installed Elementary OS 64bit (based on Ubuntu). I try to configure my Skype, but the video image is really dark. It is working, but it is low in contrast. I've ...
4
votes
2answers
696 views

How to copy files *to* a camera?

I'd like to copy a firmware update file to my Canon 7D camera, connected via USB. After it was auto-mounted by thunar + thunar-volman + gvfs-gphoto2 I tried the following: $ cp ...
4
votes
1answer
1k views

Understanding webcam 's Linux device drivers

As far as I know, device driver is a part of SW that is able to communicate with a particular type of device that is attached to a computer. In case of a USB webcam, the responsible driver is UVC ...
0
votes
3answers
116 views

How does one install a camera driver from a c file, and what is this driver doing?

I need to install a driver for a MT9M032 CMOS Image Sensor USB machine vision camera made by Aptina (formerly Micron). I am working on a Macintosh running OS X 10.9.1 and am new to Linux/Unix when it ...
4
votes
1answer
5k views

How do I find out which process is using my V4L2 webcam?

I tried to run the following: $ vlc -I dummy v4l2:///dev/video0 --video-filter scene --no-audio --scene-path webcam.png --scene-prefix image_prefix --scene-format png vlc://quit --run-time=1 ...
1
vote
1answer
772 views

Trying to make my default selection for USB c920 webcam work in Gstreamer, but still opens laptop internal cam

For the past week I have been trying to get my Logitech c920 to act as my default webcam. Despite everything seeming to be in order, it's just not working. I have GUVCview and V4L installed. I have ...
2
votes
1answer
1k views

Capture raw image from V4L (webcam) device

I'm using a Raspberry pi to monitor a self-service fridge. When the door opens, a shell script is being executed to capture pictures until the door closes again. The problem, however, is the speed of ...
0
votes
1answer
574 views

Capturing image from webcam

I want to capture a image through webcam in Linux. So I searched on the Internet and found out it's can be done using mplayer or vlc. Following is the command for capturing image by mplayer and its ...
2
votes
1answer
1k views

Connection error for linux webcam driver for matlab

This might seem like a duplicate post, well yes it is, but I have a different problem compared with the duplicate version of it. My value for imaqhwinfo gives me: InstalledAdaptors: {'dcam' ...
2
votes
1answer
1k views

ffmpeg webcam to device driver , output 8 bit grayscale

With the following command i'm trying to capture 10fps and send them the device driver. Now i want 8 bit gray raw frames (640x480= 307200 bytes per frame) to be send to the device driver. I can't ...
1
vote
1answer
244 views

Connecting a wireless webcam and wireless dongle

I must create a wireless connection between a USB wireless dongle (DLink wireless-N USB Mini Adapter DWA-140) and a wireless webcam (DLink DCS-932L). I.e. point to point connection without Internet. ...
2
votes
1answer
1k views

Recording a webcam using ffmpeg

I'm struggling with ffmpeg. My webcam can do 720p at 30fps, but only when using the MJPEG codec: ~> v4l2-ctl --list-formats-ext ioctl: VIDIOC_ENUM_FMT Index : 0 Type : ...
1
vote
0answers
862 views

uvcvideo - No space left on device

I'm trying to setup a camera (Swann ADW-200 wireless) in Zoneminder but having difficulties. Even when the camera is the only USB device hooked into the server it still errors with bandwidth problems ...
0
votes
1answer
661 views

Webcam on Openbsd

# dmesg ... uaudio0 at uhub1 port 2 configuration 1 interface 1 "vendor 0x093a product 0x2622" rev 1.10/1.00 addr 2 uaudio0: audio rev 1.00, 2 mixer controls audio1 at uaudio0 ugen0 at uhub1 port 2 ...
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0answers
376 views

Microsoft LifeCam VX-800 stopped working on Linux Mint

My Microsoft Lifecam VX-800 stopped working without any plausible reason. lsusb identifies the camera with the name "Z-Star Microelectronics Corp. Venus USB2.0 Camera". Another unusual thing is that ...
2
votes
1answer
246 views

Webcam Device Driver to support H.264

I have a Creative Live Cam Connect HD (id: 041e:4093) and this webcam has an on-board H.264 encoder. Unfortunately v4l2 only inputs the feed as MJPG. $ v4l2-ctl --list-formats ioctl: VIDIOC_ENUM_FMT ...