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

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408 views

Webcam is only recognized by some software

I have a webcam that works fine in software such as camorama and cheese. However, I cannot use it in websites that allow you to use a webcam (it's not recognized). I tested it with: Chromium 34.0 ...
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36 views

PC hangs during post when webcam is plugged in

My PC keeps hanging during POST, just before identifying the amount of RAM, anytime I have my webcam plugged in. If I unplug the webcam, it will unhang and continue to boot up just fine. It also ...
3
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1k views

Webcam on MSI GS70 stealth not working

I have a MSI GS70 stealth with a built in webcam. I have many troubles trying to get it working. In Device Manager, the webcam is register under imaging devices, USB boot. I cannot use the webcam on ...
3
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687 views

xawtv/streamer webcam snapshots are “wrapped”, but streaming works

If I take a snapshot with my webcam, either through right-clicking in xawtv or through streamer -o snapshot.jpeg, the image is distorted. The simplest way to explain is through an example pictures: ...
3
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414 views

Can't See Image on Webcam Window

Came upon this site via Gizmo's Freeware. Thought I would give it a try. As much as I can remember, this is a pretty complete description of the problem and all the steps I've taken to find a solution....
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38 views

How to build a “skype” window (standing connection)

I'm looking to build a sort of window between two offices separated by... oh, I don't know, a couple of oceans, mountain ranges etc... The idea is to keep a team connected by placing an always-on bi-...
2
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0answers
232 views

How to record video into circular buffer?

I want to build low cost IP camera with storage out of webcam, OpenWRT router and flash drive (or probably hard drive). It's not difficult to do, but I would like to store like last 24 hours, ...
2
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0answers
427 views

How to limit the USB bandwidth a device can allocate on Linux

How do you put an cap on the amount of bandwidth a USB device can allocate on Linux? I have a couple of cheap USB webcams that I'm trying to running simeltaneously. Running v4l2-ctl --list-formats-...
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2k views

avconv stream video from USB webcam without delay

I need to stream video from USB webcam. I am using avconv, but it has delay min 5s. Is possible to stream in real time without delay? avconv -f video4linux2 -i /dev/video0 -vcodec libx264 -f mpegts ...
2
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0answers
3k views

How can I connect integrated webcam with virtualbox

I am trying to use a Windows XP VM for VirtualBox on my Windows 8.1 laptop. I have tried the usual attaching USB device but I get an error saying "USB device is busy with previous request". My webcam ...
2
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533 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....
2
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641 views

how I do streaming with raspberry by rtp?

I want to cast my webcam by rtp with raspberry pi. I've tried this: ffserver -f /etc/ffserver.conf & ffmpeg -v verbose -r 5 -s 640x480 -f video4linux2 -i /dev/video0 –f rtp rtp://192.168.1.205:...
2
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625 views

No permission to access webcam on linux

I am using a raspberry pi with raspbian to capture webcam shots and upload them to a web server. However, when I rebooted just now I no longer have access to the webcam. I have no idea why this ...
2
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1k views

Can't get webcam working (VirtualBox Ubuntu 11.10 on Mac OSX 10.6.8)

I installed the Guest Additions, installed the isight-firmware-tools by using the AppleUSBVideoSupport file but I still can't get access to the iSight webcam. When I launch >vlc v4l2:///dev/video0 I ...
2
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0answers
1k views

How can I switch between 2 different webcams during a Webex presentation?

Am looking to give sales presentations that will sometimes show the speaker via one webcam,and a close up of a small product on another. I'm thinking of using Webex for this under Windows, 7 but am ...
2
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0answers
128 views

webcam worked yesterday, no more

Along with the rest of the world, I joined google plus right after invitations became available last night. I was able to use my webcam for their hangouts, now I cannot. When I checked lshw I can't ...
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9 views

Allow page to use camera only this time in Chrome/Chromium?

In Chrome/Chromium (version 50+), if, for instance, Hangouts asks me about webcam first time, the choice it proposes has only two options (to either forbid or allow), and when I press "Allow", browser ...
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19 views

DirectShow error causing non function WebCam

Recently, I found out none of my application can detect my webcam anymore (which works without any issue before). I have tried to reinstall the webcam driver and my device manager can see my webcam ...
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246 views

Streaming audio and video to VLC with ffmpeg and ffserver

I'm trying to set up a webcam with a raspberry pi 2 that I can view from VLC media player on another computer. I followed the tutorial here to get video only working, but his other tutorial that ...
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0answers
102 views

What ffmpeg settings to get the best possible video resolution/framerate that my webcam is capable of?

I want to record the best possible video file (in terms of resolution/framerate/colors) from my webcam. Right now I am using this command: ffmpeg -f v4l2 -framerate 25 -video_size 640x480 -i /dev/...
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75 views

Trying to set up WebCam Recording in VLC

The actual recording part I have figured out to completion. What I'm having trouble with is figuring out a way to automatically add a number to my file output. For example: Stream_00.mp4 Stream_01....
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253 views

Attempting to stream two C920 Logitech Webcams From Fedora using GStreamer to Windows VLC Client

My apologies in advance for violating any etiquette / rules regarding posting in SuperUser. This is my first post. First of all, I am a streaming video amateur -- the solution I have "cobbled" ...
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39 views

Web browser can't detect correctly installed webcam on Linux

Any web browser can't access to my webcam. I figured out that the camera is correctly installed using Cheese. The web cam is a Logitech QuickCam V-UAP14. I've tested the camera in my PC with OpenSuse ...
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308 views

Ubuntu turns on webcam but black screen in cheese

I have Ubuntu 14.04 installed in my VMware and when I turn on cheese the light of my integrated webcam turns on but nothing appears on the screen. I have gone through black screen issues in internet ...
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156 views

Modifying IP camera firmware

I have a D-Link DCS-931L IP camera and it started to lose wifi connection regularly. To debug the problem I tried to log into it, but any remote access is prohibited (except web interface which is ...
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172 views

VLC audio equalizer has no effect on recorded video

I'm trying to capture a video from Logitech c920 webcam and modify the audio that is recorded. I'm using the command cvlc v4l2:///dev/video0:chroma=h264:width=640:height=480 :input-slave='alsa://hw:1,...
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994 views

streaming to rtmp using avconv or ffmpeg

I have an IP webcam HiSilicon Hi3516C that I can successfully access from a raspberry pi. I can get still images by using a command like this: avconv -i "rtsp://192.168.1.10:554" myfile.jpg now ...
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56 views

What techniques can I use for audio and/or video chat that don't use SIP and complex layered architectures?

Point A few years ago a friend and I were messing around and we created a super-simple video chat link by running VLC twice on both our computers: one "watched" the local webcam and cloned the video ...
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146 views

Windows 8 webcam automatically taking a photo when it 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 ...
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547 views

FFmpeg Unable to find a suitable output format for … [RPi]

I was trying to set-up ffmpeg on RPi to stream video from webcam. This is my launch script: ffserver -f /etc/ffserver.conf & ffmpeg -v verbose -r 5 -s 640x480 -f video4linux2 -i /dev/video0 ...
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504 views

FFMPEG DirectShow: Could not run filter

I'm trying to take a picture from my webcam using FFMpeg. This is what I'm trying to run: @echo off :: Get date and time for /F "usebackq tokens=1,2 delims==" %%i in (`wmic os get LocalDateTime /...
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2k views

Why is my webcam not working on VMplayer 6.0.1?

I have a Dell Inspiron 15 laptop with the following configuration: Model: i5-3575 3.7 GiB of RAM Intel Core i5 4200 CPU @1.60 GHz X4 Intel Haswell Mobile Graphics 350 GB hard drive Ubuntu 13.10 64-...
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0answers
1k views

Emulate a USB camera with an IP camera for web conference

Our office uses Cisco's WebEx for business web conferences and I want a camera with Pan/Tilt/Zoom for use in our board room. Unfortunately WebEx only supports USB cameras (mainly those on the Windows ...
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185 views

Dell Studio One - Integrated WebCam driver

I have a Dell Studio One with service tag: 1NBQWH1. The webcam on it doesn't work. I checked Device Manager, and under Imaging Devices, there's no webcam. There is an unknown device under Unknown ...
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154 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 ...
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328 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 ...
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68 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 ...
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172 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 ...
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501 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.
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237 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?
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396 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 (...
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1k views

Webcam stream doesn't work on Logitech E2500

I'm currently trying to get webcam streaming to work on a Logitech E2500 with ffmpeg. Running the command gives me some kind of buffer length error. pi@raspberrypi ~/ffmpeg-dmo-1.0 $ sudo /usr/sbin/...
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1k views

Issues with webcam after installing Windows 8

After recently installing Windows 8 on my machine (Asus Laptop), I noticed my webcam was showing the image upside-down (in the camera app and in Skype). I figured it would need a driver re-install, so ...
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820 views

Webcam and microphone not working on HP Pavilion DV7

I get no webcam and microphone on my HP-Pavilion DV7-3085dx laptop, running Windows 7 Home Premium. I tested many camera drivers from HP support, but still have the same problem. What can I do?
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192 views

Autostart Manycam with specific Images via configfile or parameter

At the moment I try to figure out if it is possible to start ManyCam automaticaly showing a picture i configure via a configuration file or via command line parameters. I am afraid that this might be ...
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615 views

How to quickly switch between “webcam preview” and XBMC?

I've build a dedicated PC for use in Dental Clinic, but I found out that it's very difficult to setup the computer "idiot-proof" enough. It has to do 2 simple things: show live preview from intra-...
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230 views

Is there a USB camera that works with linux with software-controllable white balance?

I'm looking for a USB webcam for a computer vision application running on linux - and it has to be USB, firewire won't work in the particular application. If I remember correctly the reason that this ...
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560 views

Webcam not found after re-installing Windows 7 (LiteOn Sonix SN9C230)

On my Vostro 1310 laptop, I re-installed Windows 7, now I have trouble with my webcam. I had a driver CD that came with my laptop, which I installed, but during setup it shows me error: error ...
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158 views

What's the best Windows service to record / stream images from a webcam?

I have a machine running Windows 7 Home Premium with a pair of webcams attached. I need to take a snapshot once every 5 mins or so from each camera and allow streaming of the live feed over a network....
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847 views

VLC scene filter ratio

I'm using VLC to capture images on a webcam over time to build a timelapse video: vlc -I dummy v4l2:// --video-filter scene -V dummy --scene-ratio 200 --scene-format png --scene-prefix img --scene-...