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

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1answer
26 views

Activate usb camera connected in Pi through laptop

cap = cv2.VideoCapture(0) When i run this, it activates webcam of laptop. But i want to activate usb camera connected in pi through my windows pc. Both are connected in same lan. I have used pc as ...
0
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1answer
65 views

Raspi camera module doesn't work as a webcam (using webrtc)

We installed Raspi Camera Module v2 on rpi3 raspbian-jessie-lite (2016-03-18) It works with a "raspistill" command and the "picamera" python module. However it is not present as a V4L device. In ...
3
votes
0answers
64 views

USB webcam can't take a picture

I would like to ask a question about USB webcam taking picture, and I have surveyed similar topic, but still not found answer. I am using an RPi 2 B with rasbian Jessie, I have taken a picture with ...
0
votes
0answers
14 views

USB Webcam compatibility

I purchased a webcam from The Source (like RadioShack but Canadian). The brand is company owned, called Nexxtech. They don't have a website because The Source owns it. I want to use it for a ...
1
vote
3answers
136 views

raspberry pi live stream through webcam to android phone

I am trying to broadcast video from web cam connect with Raspberry Pi to Android app ,for that I used 'motion', by this it can stream video over local network only, using http://RPi_addr:port but now ...
3
votes
1answer
80 views

Raspberry Pi Webcam Motion Snapshot

i'm doing a motion (streaming webcam content) project and i want to know how can i take a snapshot with a terminal command. wget http://localhost:8080/?action=snapshot -O output.jpg This does not ...
1
vote
0answers
93 views

Best FFMPEG configuration for recording Video+Audio with RaspberryPi and USB WebCam

I've spent so much time trying to figure out how this FFMPEG and their libraries work :( I have a RaspberryPi 2B and a Logitech USB Webcam. Here is the input from FFMPEG list from my /dev/video0: ...
0
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0answers
22 views

Raspberry Pi Camera Module as webcam [duplicate]

I may be the only person in the universe to have never used a webcam. I bought a new Raspberry Pi Camera Module and have used raspistill to take some pictures. I want to set it up to monitor an area ...
0
votes
1answer
95 views

Is it possible for motion to process an mjpg-streamer live feed and send alerts to a client viewing an NGINX webpage live? Is PubNub a solution?

I already have a web server set up with NGINX showing a live webcam feed from the mjpg streamer as part of a laser tag game where the idea is for the user to be able to view a live camera stream by ...
0
votes
0answers
59 views

Set up webcam microphone for raspberry pi

I am using a webcam with built in microphone for my raspbery pi and i am trying to make my raspberry to work with vocie recognition. When i run lsusb I get this: Bus 001 Device 005: ID 0c45:62c0 ...
0
votes
1answer
52 views

Can't decode barcode using Zbar

Installed Zbar with sudo apt-get install python-zbar. I'm trying to decode barcode using example povided with library: !/usr/bin/python from sys import argv import zbar # create a Processor proc = ...
3
votes
1answer
209 views

motion detection and recording video with webcam

I want to record a video with a webcam when a PIR sensor detect motion, I have the picamera library installed, can any one help, thank you? import RPi.GPIO as GPIO import time import picamera import ...
0
votes
1answer
165 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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votes
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 ...
0
votes
1answer
311 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 ...
0
votes
0answers
42 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
133 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
40 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 ...
0
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0answers
96 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 (https://...
0
votes
0answers
87 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 ...
0
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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 ...
0
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0answers
70 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. ...
0
votes
2answers
118 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
votes
1answer
195 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 minutes)...
2
votes
2answers
59 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 ...
4
votes
2answers
157 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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vote
0answers
120 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 /home/pi/opencv-2....
4
votes
1answer
340 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 ...
1
vote
0answers
219 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
206 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
258 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
votes
1answer
224 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
468 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
109 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
770 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
219 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
242 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
votes
0answers
333 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
215 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
1k 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
187 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
176 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', ...
0
votes
1answer
2k 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 webcam.ffm&...
0
votes
0answers
412 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 rtmp://x....
3
votes
2answers
884 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
328 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
405 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
197 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
233 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
2k 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 ...