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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.
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0answers
26 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
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1answer
17 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
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0answers
69 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 ...
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0answers
49 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 ...
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0answers
89 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 ...
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0answers
317 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 ...
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0answers
62 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 ...
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0answers
61 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: ...
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1answer
43 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
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0answers
39 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 ...
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0answers
161 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 ...
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0answers
85 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
177 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 ...
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0answers
132 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
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0answers
360 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.
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0answers
204 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 ...
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0answers
81 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 ...
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1answer
115 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 ...
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0answers
141 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
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1answer
111 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
236 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 ...
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1answer
123 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 ...
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0answers
175 views

Activate iSight in Linux Mint Qiana on a Virtual Machine

I'm trying to get the built-in iSight cam of my MacBook Pro 5,1 (running OS X 10.5.8 ) to run under the just-downloaded Linux Mint Qiana edition, which I have installed in Virtual Box (v.4.1.18, for ...
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0answers
465 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 ...
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0answers
110 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 ...
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0answers
215 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 ...
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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
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1answer
113 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. ...
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2answers
375 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
240 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
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1answer
506 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 ...
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2answers
618 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 ...
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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 ...
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3answers
104 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
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1answer
4k 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
736 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
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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
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1answer
540 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
236 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
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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 : ...
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0answers
815 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
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1answer
614 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
361 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
227 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
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1answer
3k 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 ...
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2answers
6k 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="" ...
4
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2answers
1k 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 ...