Questions tagged [webcam]

A webcam is a video camera that sends its video data to a computer in real time, as opposed to recording it first.

Filter by
Sorted by
Tagged with
1 vote
0 answers
254 views

Skype can't use the webcam because Skype is using it

I can answer a call with audio or make a call with audio, but when I try to enable video, Skype complains that something else is using the webcam. I track that down with Process Explorer only to find ...
mring's user avatar
  • 1,057
0 votes
0 answers
596 views

How to capture Nth frame of a webcam in VLC?

I'd like to take a picture with my webcam on the command line with VLC. The camera is a Microsoft XBox Live Vision camera that I picked up on a whim (it was $5) and it miraculously worked out-of-the-...
JamesTheAwesomeDude's user avatar
0 votes
1 answer
224 views

How can I receive images from a webcam? [duplicate]

I was given a spare webcam, but all I've gotten right so far is to load a driver and plug it in. It is an Isonic IS-W001B. I assume I need some software to operate it, but that web site offers nothing ...
ProfK's user avatar
  • 2,621
3 votes
0 answers
1k views

Ffmpeg dropping frames, but not using more the 10-20% of cpu

I have some old hardware so I'm not expecting miracles. I want to stream from a webcam to ustream at standard quality. I'm using a code like sudo ffmpeg -re -f v4l2 -i /dev/video1 -f flv "rtmp://1....
wlraider70's user avatar
-1 votes
2 answers
2k views

Dell Inspiron 1764 will not start

Lappy's screen was flickering and the webcam was working only intermittently. There was a lot of ping pong sounds which I narrowed down to device disconnect events, presumably the screen or webcam. So ...
Michael Burrows's user avatar
0 votes
1 answer
3k views

Do wired ethernet cameras exist?

Do wired ethernet (i.e. rj45) cameras exist. Cameras which have a single rj45 cable which connect into a network card, from which they can be used to record/view video?
oshirowanen's user avatar
  • 1,720
25 votes
2 answers
120k views

Webcam driver that uses an image or video file as the video source [closed]

Does anyone know of software that is recognized as a webcam/video device in Windows and lets you pick an image (JPEG, etc) or video (MPEG/AVI) as the video source? Idea being that you could do ...
silent__thought's user avatar
2 votes
1 answer
7k views

ffmpeg/avconv async is not working - unsync audio

I have a javascript that records video from a webcam as webm and audio from microphone as wav together. I am encoding these webm and wave files to generate a mp4 file using ffmpeg/avconv. But i've ...
Khaleel's user avatar
  • 1,032
4 votes
2 answers
10k views

how to close applications using webcam dell integrated webcam?

I am using Dell Latitude. I don't know from when the issue started. I am not able to use my integrated webcam. it is telling "Close any other video streaming application to start video.". I confirmed ...
Philemon philip Kunjumon's user avatar
0 votes
0 answers
1k views

New OS and WebCam black and white only?

I have a Lenovo ThinkPad Edge E520 (1143) which I bought without an operating system. Back then I installed Windows Vista and then Ubuntu...I don't remember exactly in which OS I did it, but I changed ...
scjorge's user avatar
  • 299
1 vote
0 answers
628 views

Default webcam driver issues

I'm having troubles getting my monitor-attached webcam (ASUS VK248H) to install on my new computer. On the old computer, it was a matter of not using a USB 3.0 port, but I can't get anything to work ...
Omegaclawe's user avatar
0 votes
0 answers
4k views

Is the raw output of a webcam not always RGB or YUV?

[Actual question is in the last paragraph, I've posted my assumptions and thought process just in case it makes things cleared] This all started when I wanted to see what happened when too many ...
Alex Teodor's user avatar
0 votes
0 answers
236 views

Reducing CPU load to absolute minimum

I have had a couple of things gone missing I believe stolen in my shared apartment and want to run my laptop constantly with a webcam attached, running webcam surveillance software to record/ take ...
Dale Newton's user avatar
4 votes
1 answer
755 views

Is it possible to programmatically query for current USB controller bandwidth usage?

I am using three Logitech C920 webcams with mjpg-streamer. The setup works extremely well, but I just realised that it doesn't scale. I began encountering bandwidth issues when bumping the frame rate ...
Milos Ivanovic's user avatar
3 votes
1 answer
8k views

How to manage USB devices between host and guest with VirtualBox on Windows

I would like to make my host computer’s webcam available to my guest OS under VirtualBox. Having never shared USB devices between the two before, though, I am a bit skittish about the language in the ...
Michael Sorens's user avatar
0 votes
1 answer
2k views

How to block access to web camera for any programs including all Java applets?

There is need to deny interaction and access for built-in web camera from any application including trusted Java applications. For example, deny access to webcam for Skype etc. How to make it possible?...
J.Olufsen's user avatar
  • 3,682
5 votes
4 answers
45k views

How do I get my built-in webcam on my Windows 8 laptop to work again?

When I first got my Windows 8 laptop, my webcam (which was built into my Gateway laptop) worked perfectly. I stopped going on my webcam for a little period of time. I do not remember uninstalling it ...
Rodney Houston's user avatar
1 vote
0 answers
207 views

Is there any way to modify a webcam from command prompt

I got a life cam HD 5000 webcam and I want it to be used for programming stuff , In Ubuntu terminal you have the ability to change the webcams settings (after installing something) , because my code ...
khashi's user avatar
  • 11
3 votes
2 answers
6k views

pipe webcam video stream data for processing

I found that in linux you can use video4linux2 and ffmpeg to read the data from /dev/video0 and grab the video from webcam. ffmpeg output the data to a video file, which has a limited length. My ...
vivienlwt's user avatar
-6 votes
6 answers
21k views

Skype - Unable to use Webcam

This question might already exist the answer, to be frank, wasn't very helpful, and the only answer was a response to a comment the author made. As far as I am concerned it's not a duplicate of this ...
2 votes
2 answers
7k views

How to make an Axis network camera appear as a local webcam camera?

I am trying to interface with an Axis 210 network camera. I can access it through web browser or some video stream URL. But I really want it to appear as a local webcam since many tools support that ...
Penghe Geng's user avatar
3 votes
2 answers
4k views

Accessing Webcam Streams Through Shell

I am writing an app (running on ARM Ubuntu) that needs to be able to do image processing on the video stream from a webcam. The easiest way that I can get the data is through the output stream on a ...
Wasabi Fan's user avatar
6 votes
3 answers
30k views

windows 7 capture image from webcam [closed]

i've been searching to no avail I just need a FREE(no demo) program to capture an image from a webcam in windows 7. The webcam is built in, it works fine, but I have no programs to capture. MovieMaker ...
UserZer0's user avatar
  • 622
2 votes
1 answer
695 views

How can I acquire decent quality audio with my webcam?

Whenever I try to record a video with my webcam (I haven't tried, but I suppose that it won't work also for programs like Skype) I can correctly capture the video, but they are silent, the audio is ...
Sekhemty's user avatar
  • 9,396
0 votes
1 answer
6k views

Webcam not working with Ubuntu 12.04.2 LTS 64-bit

I have installed Cheese Webcam Booth from ubuntu software center but my when I run this software I am getting following message/error. "No device found" I also installed Camorama Webcam viewer but ...
user2437432's user avatar
33 votes
5 answers
113k views

How can I list the available video modes for a USB webcam in Linux?

I faintly recall that once upon a time, I found a command-line tool (something involving "UVC") to list the supported resolutions & modes of a USB webcam camera (e.g. PAL, 640x480) in Linux, but ...
gatoatigrado's user avatar
  • 1,685
0 votes
2 answers
3k views

How to port forward a webcam server through two routers?

I set up a Raspberry Pi webcam server (running Raspbian) to be available publicly. I can see it internally when I go to its internal IP and port in a web browser. I can't get to it via the public IP, ...
Wes's user avatar
  • 1
0 votes
2 answers
5k views

Dell Inspiron 15 3521 Webcam not working

I have windows 8 installed on dell Inspiron 15 3521. I did not find any drivers for windows 8 webcam. Do I need some drivers for it or not? I have windows 8 pro 9200 build.
user2437432's user avatar
0 votes
0 answers
1k views

Skype video turns off

I've been having a problem with Skype on a Mac System running 10.8. Whenever I start a video call with a contact, my video feed turns itself off after various amounts of time. The option to turn the ...
andrsnn's user avatar
  • 487
0 votes
1 answer
277 views

Windows 7 has intermittent USB problems, and some permanent ones

I bought a 5M USB extenstion cable, which is powers so there is no lack of speed. However it is essentially a USB Hub with just one port. It wouldn't work on any of the rear ports, saying no driver ...
HendrikWitbooi's user avatar
0 votes
1 answer
333 views

Take photos in rapid succession on Mac OS X

I have a MacBook with running Snow Leopard. Is there a way that allows me to take rapid fire photos with the camera? PhotoBooth sort of has this feature, but it only takes 4, and they are combined ...
Evanss's user avatar
  • 1,268
0 votes
0 answers
23k views

How can I set the webcam to a mirror effect?

Hello :) I just got the new Windows 8 MIU (I think that's what it's called) where the main page has all the apps and such , instead of the normal desktop. I hope you understand what I mean . But ...
Maryy's user avatar
  • 9
2 votes
1 answer
643 views

Distinguishing between multiple webcams in Linux?

I have two webcams connected to my machine, running Linux Mint. jacoby@oz:~$ ls /dev/video* /dev/video0 /dev/video1 jacoby@oz:~$ lsusb ... Bus 001 Device 003: ID 046d:08ce Logitech, Inc. QuickCam ...
Dave Jacoby's user avatar
2 votes
2 answers
2k views

Motorized webcam which can look up, down, left, right with its own application? [closed]

The title may seem a bit misleading as I was not sure what the term is. I am looking for a webcam that can turn itself for instance I want it to look to the right or left sides, up or down, so by ...
Prix's user avatar
  • 323
1 vote
1 answer
3k views

How can I get my webcam working in kernel 3.9.4 built for ARM?

I'm trying to get my USB webcam (Logitech QuickCam Communicate STX) working on an Olimex SAM9-L9260 board (ARM). I have used Buildroot 2013.05 and have the system up and running. I want to take webcam ...
Peder's user avatar
  • 19
1 vote
0 answers
289 views

Mpeg2 decode on a webcam?

I've got a situation here. I'm trying to use a camera hooked up to a capture card as a webcam, however the capture card stream is MPEG2 encoded. Which basically means, since no webcam-using programs ...
Eli's user avatar
  • 860
2 votes
2 answers
224 views

Is it possible to "transplant" drivers between machines?

Is it possible to transplant drivers of an already-connected device to another machine? A webcam that's plugged into one Windows 7 machine is being detected and properly displayed in Device Manager (...
Coldblackice's user avatar
  • 5,884
14 votes
1 answer
16k views

FFmpeg filter to rotate image through arbitrary angle

I need to produce timelapse video from a webcam that was mounted at a slightly off-vertical angle, and I need to rotate the image about 3 degrees counter-clockwise. (The webcam is in a virtually ...
Tom's user avatar
  • 243
1 vote
1 answer
775 views

Windows 7 webcam not functioning with warning message "Camera is used by other application"

A friend of mine told me her webcam is not functioning during her Skype call session. Symptoms/tests: Running the Skype video test gives the warning "Camera is used by other application Searching ...
pewekodok's user avatar
7 votes
1 answer
36k views

Webcam automatically takes picture when the computer wakes up

Is it possible to have the webcam take a picture if my computer is woken from sleep mode? I have seen that there are some programs with motion detection, but I would prefer a method that takes a ...
WillNZ's user avatar
  • 677
0 votes
1 answer
2k views

Webcam Icon Invisible in My Computer in Windows 7

I want to use my Webcam to take picture, but my Webcam's icon is invisible in My Computer. My Webcam's driver is already installed and my OS is Windows 7. How can I solve this problem?
Ziyaddin Sadygly's user avatar
3 votes
2 answers
4k views

Camera issues on Acer Aspire Timeline

I have strange issues with my webcam. In browser it works just fine (in Flash, for example). But when I go to Skype options it says I don't have any webcams. I can see webcam in device manager and it ...
Kuroki Kaze's user avatar
1 vote
1 answer
256 views

built-in card reader and webcam stopped working after upgrade

I have a sony vaio vgn-fz460e and I actually have two problems. One, my mass storage controller is not installed and when I click to apply this fix...it's says mass storage controller doesn't have a ...
saifena's user avatar
  • 11
0 votes
0 answers
249 views

Laptop crashes when webcam is on

Sequence of actions that cause BSOD: 1. Turn on webcam photo capture in browser (tried in chrome) 2. close the tab while photo capture is still on 3. Receive a BSOD "APC Index Mismatch" This is ...
user194076's user avatar
0 votes
2 answers
14k views

Can I use a laptop microphone and webcam for an application on a desktop?

I game on a desktop computer and I have a few spare laptops. I use one next to my gaming desktop to manage Skype, etc., but I want to use the microphone and perhaps the webcam in game. Is there any ...
Anthony's user avatar
  • 1,613
4 votes
1 answer
7k views

Rotate webcam video on Ubuntu Linux

I need to rotate (90 degrees) the video feed of my laptop webcam to use it with skype/hangout. It seems to be possible using the gstreamer infrastructure, but I don't know how.
silviot's user avatar
  • 341
2 votes
1 answer
8k views

Simplest video grab from webcam: how to

On Raspbery Pi's Raspbian (based on Debian Wheezy) I'm trying to make a simplest video grab from a Logitech C910 webcam to a video file via ffmpeg/avconv. I say: $ avconv -t 5 -f video4linux2 -s ...
Boris Burkov's user avatar
2 votes
0 answers
399 views

How do I use Canon CyberShot A800 as a webcam?

How do I get the Canon CyberShot A800 digicam be detected as a webcam when plugged in to a Windows 7 PC?
Propeller's user avatar
  • 1,195
1 vote
1 answer
824 views

Take multiple pictures per second with Logitech webcam 600

I have a Logitech webcam 600. I use the software that installs by default(Logitech Webcam Software) in Windows 7 when I plugin the camera. I would like to take multiple pictures per second(the most ...
Borut Flis's user avatar
1 vote
0 answers
754 views

Webcam not working - drivers look fine, WIA is started, cams get detected by Windows and Skype etc

How can I debug a webcam issue if the event viewer doesn't show any errors concerning WIA or camera/hardware topics WIA is started and restarting it causes no errors/warnings in the event log (...
0xC0000022L's user avatar
  • 7,033

1
8 9
10
11 12
16