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

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1answer
25 views

How to stream video with RPi 3 and a common webcam?

I have a RPi 3 with the latest Raspbian and a simple webcam. I would like to stream the video through it using Pi IP. I tried to follow this tutorial: http://pimylifeup.com/raspberry-pi-webcam-server/ ...
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0answers
16 views

My raspberry cannot get access to Internet after I wrote sth into nanoeditor

I was trying to use pi+openvpn+webcam to do a project. I followed this tutorial:http://kmwoley.com/blog/raspberry-pi-openvpn-the-babys-webcam-secure-access-to-your-home-network/ I did the 5.2step and ...
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1answer
73 views

“Failed to open video device /dev/video0 no such file or directory” with normal working usb camera in motion

I have a normal usb 2.0 cam. Connecting it to my pc, it works perfectly. It is not working with my raspberry pi(2). I had installed motion and it had worked good before 2/3 weeks when I tried it but ...
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0answers
35 views

motion.conf settings to get normal video after detection

I have a motion sensor working fine on the Raspberry Pi with a webcam. It detects motion and I get a video stored, but its not a 'live' and streaming video in realtime. I have the frame rate set at ...
0
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0answers
43 views

detect sound with raspberry pi and webcam microphone

I have a webcam set up with the motion software detecting video movement. But now I need to detect any sound through the webcam microphone and create an wav file. So somewhat similar to the motion ...
1
vote
1answer
26 views

Set external usb mixer as default

I'm trying to set my Logitech C-170 as a default mixer. I followed this guide: Unable to set default input and output audio device on Raspberry jessie but it didn't help me. My webcam is recognized by ...
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0answers
37 views

Webcam doesn't work with WebRTC in Chromium

I am using a RPi2 and have tried the following with both Raspbian Jessie and Ubuntu Trusty: I am trying to stream video from my USB webcam to a Jitsi Meet (https://meet.jit.si/) or Talky ...
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0answers
47 views

Disable/Enable USB Webcam

I am using the TeckNet® C016 USB HD Webcam, 720p (Link) with 6 LEDS. While connected to the Pi, the LEDs are always ON. The only way to toggle the LEDs is by turning a wheel (similar to Volume ...
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0answers
16 views

Access webcam on USB hub [duplicate]

I'm running an Raspberry Pi with Jessy and had the problem that i had a Wifi dongle, a webcam via USB extension cable and an DVB-T dongle to detect aircrafts connected to my RPI. Because it didn't ...
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0answers
41 views

uvcvideo: Non-zero status (-5) in status completion handler

I'm using a RPI2 and a USB webcam (Microsoft HD3000) to record video. Now, I'm doing extensive testing and I see that when I record long video (10-12 hours) I sometimes see an error in dmesg. ...
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2answers
83 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 ...
4
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1answer
149 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
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2answers
55 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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1answer
110 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) ...
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0answers
92 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
166 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 ...
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0answers
137 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.
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0answers
145 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
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1answer
156 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 ...
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0answers
178 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
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1answer
251 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 ...
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2answers
79 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
581 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
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1answer
147 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
222 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 ...
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0answers
252 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 ...
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0answers
146 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 ...
4
votes
1answer
755 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
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1answer
164 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
131 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', ...
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1answer
1k 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 ...
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0answers
324 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
622 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
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0answers
285 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
244 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
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1answer
163 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
192 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
1k 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
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0answers
120 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
2k 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
107 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 ...
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2answers
246 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
366 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
315 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
191 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 ...
4
votes
2answers
954 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
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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
533 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
339 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 ...