A webcam is a device that records video and then uploads that video to a computer.

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2answers
33 views

Raspberry Pi with camera module as webcam?

I have been running the raspberry Pi with camera module for a little time right now as my "outdoor camera" (because I couldn't really afford a nice camera for on the road). now that I have a decent ...
3
votes
1answer
69 views

Detecting Pi has been unplugged instead of shutdown

I've been extending a weather station / webcam we have here at our model flying field. It has now an Arduino gathering the weather data and starting the Pi in a specific time interval (5 or 10 ...
2
votes
2answers
37 views

Rasberry Pi's usb limitation when using web cams

How many cams (of the same type) can be used on rasberry pi. Need to capture 4 streams simultaneously using Zoneminder. Windows 7 and ispy can not handle 4 cams from same mfg and device driver. 2 ...
3
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0answers
52 views

Raspberry Pi Camera Module slower than Desktop Webcam

I'm using CodeBlock IDE on raspberry pi 2 with raspberry pi camera module to run face detection program (via Haar Cascade). Now I've compared its performance using Microsoft LifeCam (USB connection) ...
1
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0answers
38 views

Unmount USB Camera

I'm working in a Python app with opencv and a USB camera. Sometimes the camera driver throws an exception: OpenCV Error: Assertion failed (scn == 3 || scn == 4) in cvtColor, file ...
4
votes
1answer
48 views

Can I use the Playstation Eye webcam's microphone with Raspberry

I'm evaluating microphones to use with a Raspberry for a voice controlled project. The preferred operating system would be Window 10 IoT Core. An inexpensive yet probably pretty good microphone for ...
0
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0answers
38 views

Google Hangouts

I have 2 questions here. One, can I use a USB web cam for something like Google Hangouts. Two, can I install the Google hangouts plug-in on Raspbian.
1
vote
0answers
70 views

Corrupt JPEG data: extraneous bytes before marker, OpenCV C++, Raspberry Pi

I am trying to run OpenCV application on Raspberry PI. When video capture from an external camera starts (Logitech C270), the messages below are printed out: Corrupt JPEG data: 1 extemporaneous bytes ...
3
votes
1answer
71 views

Raspberry PI USB Webcam - Logitech Quickcam 9000

I have been trying to stream my webcam over http with a raspberry pi 2 using mjpg-streamer. It works to stream the webcam and also some of the image controls, like brightness, focus, etc... What I ...
0
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0answers
124 views

Face recognition with USB Camera

How would I go about using face recognition with a USB camera, NOT the Pi Camera Board? A link to a tutorial would be fine. I know it was possible with OpenCV, but is it still, and how? Edit Can I ...
0
votes
1answer
98 views

motion.conf missing webcam

Last night I tried to get motion running on my pi for a live stream from a webcam plugged into it. I read through multiple tutorials, and they all said the same things for the most part. The problem ...
1
vote
2answers
49 views

--banner-colour not working on fswebcam

When I run sudo fswebcam --png 9 -r 640x480 /var/www/image.jpg on my raspberry pi, it works fine. If I add --banner-colour #ff0000 to it, like this: sudo fswebcam --banner-colour #ff0000 --png 9 -r ...
3
votes
1answer
346 views

RPI2 USB webcam capture low FPS

I want to capture a USB webcam with my RPI2. I'm using a Microsoft Lifecam HD-3000. The problem is that I can't get 30 FPS with a resolution 640x480. I think this is abnormal for a quad-core CPU. On ...
0
votes
1answer
93 views

Raw video dump to file using no encoding with usb webcam

I would like to dump raw video (and hardware encoded mjpeg) to be dumped into a file using usb webcam. On following command, v4l2-ctl --list-formats-ext ioctl: VIDIOC_ENUM_FMT Index : ...
2
votes
1answer
149 views

Can the Raspberry Pi display video from a webcam on a screen with minimal delay?

I wish to use the Raspberry Pi as a local device, connected by HDMI to a monitor and outputting the display from a local USB microscope webcam. Is this possible to achieve with minimal delay ...
0
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0answers
168 views

Compile MJPG Streamer Error

I followed up some Tutorial to install MJPG-Streamer but somehow it will not compile. Anybody know what is wrong? sudo apt-get update sudo apt-get install libjpeg8-dev imagemagick libv4l-dev wget ...
0
votes
0answers
82 views

fswebcam resetting resolution

I recently purchased a USB webcam for my Raspberry Pi 2, when I enter the command fswebcam -r 640x480 --no-banner image.jpg it takes the picture a-ok but adjusts the resolution back to 320x240. It ...
3
votes
1answer
422 views

Protect my motion webcam stream with a password (motion.conf)

I set up a webcam server using motion. The video is correctly streamed to Internet. Now I would like to protect the stream with a password: I don't want unknown people to spy on me! I don't know how ...
0
votes
1answer
122 views

Raspberry Pi with WLAN adapter breaks WiFi network

I'm trying to build a Pi-powered wireless webcam, but I'm running into a problem where, after the Pi has been running for a while, it somehow breaks the wireless network. When this happens, both the ...
1
vote
1answer
92 views

How to always allow share camera in iceweasel?

When I visit some online camera call website with webRTC by iceweasel on Raspberry PI 2, it will ask me share camera and microphone. No meter I select 'Share Selected Devices' or 'Always Share', ...
-1
votes
1answer
623 views

Raspberry pi Webcam stream with ffmpeg

Hello i am using ffserver with ffmpeg to stream a video with audio from web cam. The ffserver.conf file is : Port 80 BindAddress 0.0.0.0 MaxClients 10 MaxBandwidth 50000 NoDaemon <Feed ...
0
votes
0answers
214 views

v4l2 on RPi not working in avconv stream

I have been trying to run a webcam/audio stream from usb devices on my rpi. I have run the following commands: avconv -f video4linux2 -i /dev/video0 –s 640×360 r 10 –b 350k –f flv ...
2
votes
1answer
300 views

Multiple webcams on a single Raspberry Pi

I want to have multiple USB webcams running on a single Raspberry Pi. I will put them through a powered hub. I want the webcams to take stills simultaneously (or as simultaneously as possible - a ...
0
votes
0answers
222 views

pi 2 copy logitech c920 to file

I've seen a number of questions about streaming, but few about dumping directly to a file. Since the c920 has hardware compression, it should be as simple as copying the input stream to a file. I ...
1
vote
1answer
163 views

Can we use usb webcam with picamera?

Is it possible to use a usb webcam instead of raspberry pi camera module for picamera? If yes how?
0
votes
1answer
141 views

Connect usb camera to gpio pins

Is there a way to connect usb camera to gpio pins? The reason doing so is the inconvenient location of usb ports, hence my custom box for raspberry pi needs to be expanded just for usb connectors. I ...
1
vote
0answers
151 views

Multiple webcams - cannot open in openCV & corrupted image

I've connected four USB webcams via well powered USB hub to RasPi2. I want to use them in openCV. So I setup a simple program, where I opened the cameras using cvCaptureFromCAM, captured a cv::Mat and ...
1
vote
1answer
725 views

Focus of Raspberry Camera is too close

I'm using the 5mp Cam on my rev. b rPi and I'm having trouble with the focus length. The usual problem is that the focus isn't close enough, my problem is that the focus is too short. I'm using it as ...
1
vote
0answers
113 views

Webcam doesn't work on Raspberry Pi VIDIOC-QUERYMENU: Invalid Argument

So I wrote an image processing program in Python on my windows computer and it works fine there, but when I try to run it on the Raspberry Pi I get VIDIOC-QUERYMENU: Invalid Argument a bunch of times. ...
1
vote
1answer
1k views

Raspberry Pi Recognizes Logitech C920 Webcam But Can't Do Anything

Running Rasbian OS on Raspberry Pi B From dmesg: [139215.134634] usb 1-1.3: new high-speed USB device number 7 using dwc_otg [139216.356892] usb 1-1.3: New USB device found, idVendor=046d, ...
2
votes
1answer
91 views

Motion (daemon) as webcam, picture on command

I have Motion running as Daemon to use a webcam in my local network. This is not used for motion detecting, just to have a livestream. I want to take a photo when a button is pressed on the ...
0
votes
2answers
207 views

USB camera compatibility

When I connect my camera to Pi and run the command lsusb, I get this output: Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root ...
4
votes
1answer
293 views

Webcam color issue with mplayer

I try to display (multiple) webcams on a hdmi screen with my Raspberry Pi B. At first I used (since some month ago) OpenCV solution for 2x C170 Logitech Webcam -> works flawless (5-6fps). Now I ...
0
votes
0answers
268 views

mplayer doen't show webcam

i can't display images from my webcam using mplayer i followed this article: monitor a webcam but i got this error: pi@raspberrypi ~ $ mplayer tv:///dev/video0 MPlayer svn r34540 (Raspbian), built ...
2
votes
1answer
166 views

Webcam works for a couple of hours, then Pi refuses to detect it

I am currently playing around with a Trust WB-1400T webcam. While this is "unsupported", I got it to work with motion. After a couple of hours of playing, I noticed that motion failed to connect to ...
3
votes
2answers
501 views

Why is my Webcam image all black?

When I use fswebcam to capture a JPEG image from my webcam (an HP 2100) that is USB attached, it is always black?
1
vote
2answers
2k views

What do I need to do to stream two USB webcams with my Raspberry Pi B+?

I have done streaming with a single webcam using Motion, but my project needs streaming for two USB webcams. Any kind of help will be appreciated.
1
vote
3answers
332 views

Take snap from Raspberry pi using motion

I need to take a snap of current image using motion. Since motion is running as a daemon I cannot take snap using fswebcam as it shows Device or Resource is busy. So i need a command or ...
0
votes
0answers
277 views

Stream Logitech C615 using mjpeg-streamer

recently I thought about making a streaming camera with my Pi and a Logitech C615 I had, so I followed a tutorial on MAKE.com, but I haven't been able to get it streaming properly. I'm up to the point ...
0
votes
2answers
2k views

Unable to find a compatible palette format

I just buy a new webcam and attach it with RPI pi@raspberrypi ~ $ lsusb Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub ...
3
votes
1answer
1k views

Rapberry pi camera module vs usb camera [closed]

Is it good to use raspberry pi camera module for serious computer vision project using video or is it okay to use a usb webcam?
0
votes
1answer
728 views

how to use Pi-cam module as webcam

I have a Pi-Cam module for my raspberry pi and I want to make it behave like a webcam. Something Google could use for video chatting. Is there a driver I could download or do I have to make one ...
2
votes
0answers
645 views

Webcam Philips SPC230NC not working [closed]

I've RPI model B and webcam Philips SPC230NC and can't get this cam working. The camera red led doesn't stay on. It only turns on during boot for about 2 seconds (it keeps on on my macbook air). ...
5
votes
1answer
2k views

Streaming Audio and Video from a remote Raspberry Pi to my computer

I've been working a couple of days on this issue. I need to set a stream up that streams audio and video (doesn't matter if I need to open separate connections for it, as long as it works) from the ...
1
vote
0answers
709 views

Using motionPie: I'm stuck trying to install a camera driver

I'm trying to set up a raspberry pi for these tasks: streaming video over a network listening to commands (I'm not yet sure how to do that) over network parse commands and control a slave connected ...
0
votes
1answer
201 views

Raspberry Pi Surveilance Cam online

i've been browsing for days to find how to access live stream of my picam from internet (outside my local network). For stream within local network i already success access the cam from my browser. ...
1
vote
1answer
584 views

Streaming live video to websites? [closed]

A little flavor text: My wife and I are having our baby in Taiwan, and we want to use a camera, such that my family and friends can go to a website, fill in a password, and see a live stream of the ...
1
vote
1answer
1k views

Webcam capture into mp4 or mov (ffmpeg is very slow at this)

I'm using ffmpeg on my Raspberry Pi (running on Raspbian) to record a 5 seconds long video at 12 fps from my webcam. It's not the Raspberry Pi dedicated webcam, just a regular USB one. This is the ...
2
votes
1answer
3k views

Using other camera modules to build custom webcams

I have three old iPhones (iPhone 3GS, iPhone 3G and an iPhone 4) that I recovered from family members that were going to throw away. I had the 3GS so out of curiosity I disassembled it and recovered a ...
1
vote
1answer
672 views

i have connected webcam to raspberry pi and now i want to get mpeg stream from webcam to my Laptop ?

i have used creative webcam and connected to raspberry pi for the purpose to receive mpeg real-time stream from that webcam to my laptop or on android cell-phone but when one of my classmate installed ...