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25 views

fix webcam problem by changing its file in /dev/

At Ubuntu-Gnome 13.10, My webcam can be accessed by cheese; Also Skype determined the webcam, But it does not show any output for webcam at options window (Webcam also doesn't turn on). Skype ...
1
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2answers
66 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 ...
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0answers
27 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 ...
0
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0answers
36 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 ...
2
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1answer
77 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 ...
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3answers
28 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 ...
0
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0answers
186 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
165 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 ...
1
vote
1answer
322 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
140 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 ...
1
vote
1answer
454 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
325 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
140 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. ...
1
vote
1answer
416 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
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0answers
395 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
265 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
240 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
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0answers
142 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 ...
6
votes
1answer
2k views

Skype webcam upside down but v4l1compat missing

I am running Linux Mint, but i think this issue will be mutual with Ubuntu. My webcam in Skype is upside down (in Cheese it's ok). There are a lot of topics dealing with this coming up with fix like ...
5
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2answers
3k views

Trouble getting VLC to record from the webcam via command line

my ~/.bashrc contains the following function webcamrecord () { vlc v4l2:// :v4l-vdev="/dev/video0" :v4l-adev="/dev/audio2" :v4l-norm=3 :v4l-frequency=-1 :v4l-caching=300 :v4l-chroma="" ...
3
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2answers
725 views

Getting linux webcam state via command line or API

I would, preferably, like to know of a command I can run that will let me know whether a webcam is on/off or recording/not recording, etc. Maybe a way to see if any programs are currently accessing it ...
2
votes
1answer
162 views

How to record a flash movie from a live cam on the Internet?

I am watching some webcams live from the Internet, showing some big cities around the world. I'd like to record some to show to my friends at home. Is it possible?
3
votes
1answer
337 views

Mounting USB camera on Ubuntu

I am quite new at Linux and I have to install this SwissRanger camera on Ubuntu. I am trying to follow their USB mounting instructions and I got stuck. From the instructions: Modify the usbdevfs ...
1
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1answer
312 views

Camera capture is too slow

I had being conducting some experimentation with my Beagleboard and camera. The camera was working perfectly well initially. Later I extended my experiments by disabling the 'auto-exposure' and ...
3
votes
2answers
956 views

Capture and broadcast video from web cam

I have server on Debian 6, without Desktop Environment and I have simple web camera. Web camera is defined like /dev/video0, so I can use cat /dev/video0 > ~/photo to get image from it (of course ...
2
votes
1answer
2k views

Getting webcam to work in Raspberry Pi

I am trying to get a HAMA webcam to work with my raspberry pi with the raspbian os. When I type usb-devices I get: pi@raspberrypi ~ $ usb-devices T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 ...
1
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0answers
179 views

How can I rotate one camera but not the other, in motion?

I have two webcams configured in motion. Due to the way I'm positioning one of these cameras, it needs to be rotated upside down (180 degrees). I tried putting this in it's tread.cfg file: rotate ...
10
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2answers
721 views

Deny flash plugin access to (a particular) webcam

I recently bought an external webcam to play around with OpenCV. It works great out of the box in Debian, but I realized that when I browse any site that contain flash content (youtube, soundcloud), ...
2
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0answers
1k views

internal webcam error: libv4l2: error turning on stream: Input/output error

Simple problem, not so simple solution as it seems to me. Whenever I try to start viewing my webcam, I get the following error: libv4l2: error turning on stream: Input/output error be it cheese, ...
2
votes
1answer
3k views

How can I install my webcam on Debian?

I'm trying to install the webcam driver for my Logitech C210. After some googling Linux UVC driver seems to be what I need. I followed their typical use in hope to get it installed: git clone ...
2
votes
1answer
422 views

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 ...
3
votes
1answer
407 views

How do I get my Logitech Quickcam 4000 up and running?

I've just installed Debian “Squeeze” and would love it if I could get my webcam up and running. I've Googled for a solution, and there's a package named pwc that I need to install to get it up and ...
1
vote
1answer
288 views

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 ...
1
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1answer
431 views

FreeBSD on ARM architecture?

Can FreeBSD be used for ARM architecture devices? Also, is there a camera driver for FreeBSD?
1
vote
1answer
850 views

Looking for “Camera Mouse” for Linux

I have come across a cool piece of software called Camera Mouse. It lets you control your mouse cursor with just a webcam. Is there software like that for Linux based operating systems? (I would ...
4
votes
1answer
445 views

getting an old logitech webcam to work in Linux

I'm trying to get an old Logitech QuickCam Web to work in Linux. There's a kernel module, but the last time it was updated was in 2006 and it doesn't compile against a recent kernel anymore. In ...
2
votes
0answers
427 views

Howto reduce skype video outgoing traffic?

Issue background I'm having having problems with skype under linux. My video calls are all the time non-continuous and they're getting stuck. The situation is the same whether I use skype alone, or ...
3
votes
1answer
510 views

Disabling Web camera

My Eee PC comes with a Web cam, which I never use. How can I ensure that it is effectively disabled, so that no software can use it?
1
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0answers
163 views

Why doesn't GoogleTalk plugin recognize my camera, even with v4l?

The thing is that I have GoogleTalk plugin, also used for Google+ hangouts, and it works in my netbook, on Ubuntu. But on my laptop, using the same Ubuntu (Oneric) and having used the camera on Cheese ...
1
vote
3answers
380 views

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 ...
1
vote
2answers
383 views

Crontab not triggered

I have a program written in C with OpenCV. It captures an image from the webcam and saves on the disk with the name given as an argument. I want to trigger it every minute, thus I inserted the ...
4
votes
2answers
657 views

Skype doesn't work with webcam A4Tech PK-130MG

I've just installed Mint 12 on a desktop previously running Windows Vista. Despite using Ubuntu and Kubuntu on other machines, i still see myself as a beginner on GNU/Linux. On this Mint 12 machine, ...
6
votes
1answer
3k views

Webcam on Angström

I am running Angström on my BeagleBoard-xm. I want to use a webcam (I have Microsoft LifeCam Cinema and Logitech C310). I installed v4l-utils, libv4l-dev and kernel-module-uvcvideo with opkg. But the ...
1
vote
0answers
811 views

Matlab's Image acquisition toolbox doesn't recognize my webcam

I have to work with the image acquisition toolbox in Matlab and I find it quite disturbing to always change to windows. So I installed Matlab 2010b on my Linux machine (Arch, Kernel 39). Skype & ...
5
votes
1answer
1k views

Using MJPG stream as a webcam source

I would like to use my Android smartphone as a webcam and found the app "IP webcam", which creates various outputs of the camera. One such output is a MJPG stream, and I want to know if there is a ...
2
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3answers
576 views

How can I change the shutter speed of my webcam in Linux?

how can I change the shutter speed of my webcam in Linux? I'm using fedora 14
2
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0answers
247 views

Is there a version of Wine that actually runs mainstream chat clients?

Is there a version of Wine that actually runs mainstream chat clients? I'm willing to consider commercial forks. I'd need it to support at least: Yahoo QQ Skype (yes there's a native client but it's ...
1
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1answer
358 views

Linux: Interface/control 3.5 mm Headphone or Microphone port? [closed]

This might sound crazy, but bear with me ;) I am making a DIY camera trigger, and I would like to see if I can trigger it remotely by plugging it into my Microphone or Headphone ports. It's a basic ...
5
votes
1answer
3k views

Can the focus of a Microsoft LifeCam HD-5000 be fixed at infinity under linux?

I have two Microsoft LifeCam HD-5000 webcams which I am using as a home security system with the Motion package for linux. One problem I have is that because these webcams have auto-focus, sometimes ...
0
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2answers
478 views

Linux webcam software [closed]

What are some good full-featured (whatever that means) webcam applications in linux. I know about cheese, but found some of its features lacking. Are there any others?