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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56 views

Webcam overlay drifts away from screengrab

I'm using ffmpeg like this: ffmpeg -itsoffset -2 -f alsa -i "plughw:CARD=U0x46d0x825,DEV=0" -f x11grab -r 15 -i :0.0 -vf "[in] scale=iw/2:ih/2, pad=2*iw:ih [left]; movie=/dev/video0:f=video4linux2, ...
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269 views

Windows 8.1 - camera app poor framerate

The Windows 8.1 native camera app started acting weird: when turning it on it shows the camera image with an incredibly small framerate of around 2-3 fps, instead of the usual smooth 18-30fps. When ...
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214 views

Motion - debian 7.5 cannot record movie with ffmpeg

Description I'm running the motion 3.2.12 standard package on debian 75 (wheezy). Motions are detected, events triggered and pictures save in the correct folder as awaited. On the other side, motion ...
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0answers
1k 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 ...
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1answer
198 views

Motion - takes snapshot without motion detected

I've been installed the standard motion 3.2.12 package on debian 7.5. I would like to get snapshot ONLY when motion is detected, but it still saves a picture every second without any activity in front ...
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0answers
328 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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0answers
1k views

Motion - can't get streaming working from a webcam

I'm trying to record a video stream from my Tenvis IP camera with motion 3.2.12 on Debian 7.5. I used the standard debian package with sudo apt-get install motion Assume my DNS IP cam is webcam, ...
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215 views

VIDEO Streaming - How to output the video timestamp?

I would like to backup an ASF video stream with the time stamp (I mean the original recording date/time) on the output stream ? Usage I convert / store my video using the mkv format (Matroska) ...
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1answer
665 views

How to get better video quality in Lync?

I want to use a ConferenceCam from Logitech to stream talks live via Lync. When I view the RAW webcam image via VLC, the quality is very good (but the latency is high because of buffering). However, ...
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2answers
230 views

Hipchat 2.2.1080 on ubuntu 64bit 12.04 flashes webcam on startup

I recently updated to hipchat version 2.2.1080 and everytime I start it up it flashes the webcam. By this, I mean the light on my cam flashes. It flashes only for a second then turns off. Does ...
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0answers
24 views

No microphones working on desktop

I have a laptop with Ubuntu on it and a desktop with Windows 7 on it. I always used my laptop for my microphone needs and stuff, until I moved my desktop into another room and kept the laptop in ...
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0answers
108 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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0answers
1k views

Use a IP-camera as a virtual camera

I want to use an IP camera with webrtc. However webrtc seems to support only webcams. So I try to convert the IP camera's stream to a virtual webcam. I found software like IP Camera Adapter, but they ...
3
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1answer
2k views

FFMPEG webcam stream to Youtube drops frames

I need to do a live videostream on Youtube using a Logitech HD Pro Webcam C920. My OS is Fedora 20, and the command I am trying to use is: ffmpeg -f v4l2 -i /dev/video0 -flags +global_header -ac 1 ...
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0answers
82 views

Connecting a Logitech Broadcaster-type videocamera via USB

We have a videocamera from Logitech, a "Broadcaster" type, which we would like to use as a monitor camera in a ionizing radiation-protected area. The camera is meant to be used wirelessly and, to ...
9
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3answers
350 views

Identifying USB devices

I have five USB cameras, same brand, same model(Canyon CNR-FWC120H). They are used to monitor different scenes 24/7. I need to somehow identify which camera is which from the Linux(Debian) console or ...
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0answers
56 views

Copy Ethernet Stream to A Virtual Ethernet Adapter

For a project I am working on I need to connect to a webcam stream. The webcam is connected to the computer via Ethernet. The problem is that the client has provided a separate proprietary software ...
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1answer
384 views

Running Webcam with multiple applications

I am running YAWCAM on a friend's PC as he asked for us to test it, and I am running as a service, no GUI. The thing is, a webcam cannot interact with multiple softwares by default. So this might be ...
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0answers
903 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 ...
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1answer
397 views

Using Raspberry Pi as I/O for webcams

I'm working on a project where a Raspberry Pi is being used as an I/O board for multiple servos, which are actually controlled by another computer, connected to the RPi via ethernet. I need to add 2 ...
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1answer
237 views

What is a quick way to stream and live record video to the Internet using Ubuntu?

I need to set up a webcam to act as a security monitor for a one-off event of around 10 hours. My key requirement is that the video feed is streaming to the Internet and being recorded to the ...
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1answer
230 views

Timed Webcam Capture Program Win7 [closed]

I have a couple of webcams and I want to be able to automatically capture an HD image from at least one of them every X minutes and just put them into a folder of my choosing. I don't want any ...
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0answers
405 views

Windows 8.1 does not fully recognize plug & play webcam

I recently bought a Sandstrøm 720P HD webcam (S1337CAM)(Plug & Play), which worked just fine the first couple of days of usage. But today when I was going to talk on Skype I was told that I could ...
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1answer
206 views

Record webcam automated with unknown duration

I need to record (not stream) from my webcam, convert it to H.264 and store it in a mp4-container. With VLC media player I can do this manually with the Open Capture Device menu where I just have to ...
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0answers
513 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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votes
1answer
348 views

Why is my Acer Webcam not working anymore?

This is what happens when I open the Acer Webcam and click the icon of it. It doesn't work for some reason. I remember yesterday I accidentally installed BlueStacks but uninstalled it afterwards. ...
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0answers
251 views

Switch Flash Player / HTML5 to use front camera

I have a Lenovo Helix which has 2 cameras, front and rear. I need to take a picture of myself for a security verification on a site with a Flash player object to perform the capture. It's a similar ...
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3answers
3k views

Automatically disable integrated webcam when an external one is connected?

I use my laptop as a desktop quite often, about 75% of the time. As a desktop setup, it has a monitor, speakers, keyboard, mouse and webcam connected externally—the latter three over USB. It is then ...
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0answers
107 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 ...
3
votes
1answer
101 views

Is it possible to plug 50 webcam on a computer for a 3d scanner?

I want to make a 3D scanner, at first I used a Lumix TZ20 and got good result, then a Coolpix L27 (50€) and got the same result. Then my phone's camera, which were good too. Now I'd like to try ...
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0answers
191 views

Using multiple instances of webcam without thirdparty applications in windows

I want to show my webcam out in an swf file. That is in a webpage. At the same time, i need to record the stream using FFmpeg or Vlc. But the problem is the webcam cant be accessed by two applications ...
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0answers
178 views

My integrated webcam on my Inspiron 1750 is not working, and Imaging devices doesn't appear under Device Manager

My webcam was working a few days ago, but when I tried to open it today it said to plug in a supported device. I've tried to look for the webcam in Device Manager, but I cant find imaging devices on ...
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votes
4answers
11k views

Webcam is in Device Manager, but software doesn't detect it

I have webcam (Lenovo EasyCamera and USB Video Device (External)) that doesn't detect my PC, but the device is enabled in Device Manager. Both of them are enabled. If I remove the other webcam it ...
0
votes
1answer
352 views

Hama m360 Wireless IP Cam Setup Nightmare

I have set up IP Cams before, although it has been a while. Recently a friend of mine wants me to help him set up a Hama m360 IP Camera. I have read the instruction for so many times I could even ...
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125 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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0answers
127 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 ...
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votes
1answer
88 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 ...
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0answers
309 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 ...
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votes
2answers
832 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 ...
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votes
1answer
128 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?
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votes
1answer
111 views

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

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 ...
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vote
1answer
2k 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 ...
4
votes
2answers
2k 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 ...
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0answers
480 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 ...
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0answers
159 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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0answers
911 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 ...
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0answers
142 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 ...
3
votes
1answer
267 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 ...
2
votes
1answer
3k 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 ...
0
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1answer
351 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 ...