Questions tagged [webcam]

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

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444 views

Have webcam sever going but cannot reach it from outside the network even with port forwarding set up

I set up a cam server on my LAN. Works perfectly. The server runs on port 8090. I accessed the firewall page of my router (2wire 3800) and forwarded ports 8090 to 8090. Here is where things get ...
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1answer
1k views

Raspberry Pi Webcam Reset

I'm making a timelapse video with a Raspberry Pi and a Microsoft Lifecam HD-5000 webcam. Everything is working great except that I have to reset the camera every morning or I end up with totally ...
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1answer
652 views

RPi + motion, bad video

I use RPi with WIFI module for stream & webcam Creative LIVE! CAM Sync HD. I use SSH, put 'sudo motion -s' in command line and create moving in front of camera. Here is a log: pastebin.com/...
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1answer
2k views

Capturing video with motion cant go higher than 640x480

I got a webcam that supports images up to 1920x1080 but when i use motion to capture video it can only go as high as 640x480. if i specify anything higher in the motion.conf the webcam doesnt return ...
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1answer
331 views

Raspberry pi video streaming image error

I have a problem with video streaming on raspberry pi. When I want to stream the webcam's image trough the network, the image has many errors, like fall apart, other colors and lot of garbage appear ...
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1answer
640 views

Speed up C code running USB webcam

I have some code that I have adapted to run on a headless Rpi using a usb webcam, it is running a bit slow, so my questions are: If I were to use the GPI pins with a dedicated webcam would that be ...
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0answers
6 views

C920 cannot register after removing uv4l

I have a pi 3b+ running Raspbian stretch. c920 had been working out of box with the official v4l2 driver. I install UV4L to play with the webrtc features. But found some problems. So I did an apt ...
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19 views

RaspberryPi 3 B+: Error in running two webcams simultaneously

I purchased two webcams (Logitech C310 HD Webcam) to use with RaspberryPi (RPi 3 B+ model). When I run individual cameras, they are running fine but when I tried to run both cameras at the same time ...
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0answers
26 views

Raspberry Pi 3 B+: Many video devices are showing

I attached two webcams to RaspberryPi 3B+ using USB power hub. But when I wrote ls -la /dev/video* in Terminal, output shows many video devices as shown below: crw-rw----+ 1 root video 81, 0 Jun 7 ...
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0answers
39 views

High CPU usage from PyGame with time.sleep

so I'm running a very rudimentary webcam surveillance program with PyGame, that just takes a picture from the webcam, stamps the time and saves it in an endless loop. (and does some simple date ...
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1answer
142 views

What happens if I force_turbo (and over_voltage) but do not increase ARM, etc

I have had issues with running RPI cam control and pikrell cam on Pi Zero W and found a post where it was recommended to use: over_voltage=4 force_turbo=1 (https://www.raspberrypi.org/forums/...
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227 views

Tensorflow object detection script is being killed by system

I'm trying to run an object detection script using Tensorflow. After running the python script it's being killed or freezes. I can see camera's light is being turned on right before the script stops. ...
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0answers
477 views

Stream USB webcam with audio

I have a raspberry pi zero with a Logitech C920 webcam. I am hoping to do a video server (baby monitor) with these. I hope to use the H.264 encoding provided by the C920 and combine it with the audio ...
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0answers
660 views

UV4L & USB Webcam - How to change Resolution, FPS etc?

I've been using UV4L for streaming for quite a while now and think it does a brilliant job, especially with the PiCamera 2 module. I now want to use the program with a USB Webcam as a few days ago I ...
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1answer
533 views

QCamera get error “mesa-loader failed to retrieve device information”

Qt test code: QCamera* camera = new QCamera; auto viewfinder = new QCameraViewfinder(); camera->setViewfinder(viewfinder); viewfinder->show(); camera->start(); Output: mesa-loader failed ...
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1answer
60 views

Raspberry PI2 under voltage with a standard microsoft webcam connected.

I am attempted to setup my octopi IOS to connect to my 3d printer. I've got everything connected and configured however, noticed during the boot process, when the USB webcam is connected, i get the ...
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1answer
239 views

Barcode Scanning Raspberry PI

I want be able to scan barcodes using my raspberry pi 3, there are serveral barcode scanner/modules, but these are quite expensive. Would it be a option to use a webcam and use maybe a API which reads ...
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142 views

HD video streaming via webcam very choppy

I've tried Cheese and GuvcView, but both are extremely choppy. When I open open GuvcView even if I try and set FPS to 24/sec it only will give me 3 FPS. I am remoting into the RP3 via TeamViewer. ...
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1answer
1k views

Problem with every even photo using USB camera

I use Raspberry Pi 3 with Linux RaspberryPi 4.9.59-v7+ onboard together with Logitech HD Webcam C270. It works quite well, I am able to preview video stream in Qt V4l2 Test Utility, take a photo with ...
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1answer
561 views

Two Webcams Taking Stills

I’m a bit of a novice, needing to do this for a university project. I need to connect two USB webcams to the RPi and get each to take a still image and save it in “%iimg%i” naming notation to identify ...
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2answers
80 views

Virtual Reality with RPi 3

I am working on a project in which I am trying to combine two seperate USB webcamera's to create a pair for virtual 360 degree footage. Can RPi 3 encode this video and send it to a smartphone ...
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0answers
354 views

Want to find difference between two frames, but get a lot of noise because of the auto changing on exposure, brightness…(not sure) of the webcam

As title, I tried to use Raspberry Pi + logitech webcam to find the difference between two frames, the following is the code that I used: import cv2 #capture from camera at location 0 cap = cv2....
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367 views

Configuring USB Webcam in Raspberry PI

I'm configuring Logitech C920 USB Webcam in Raspian for using it with a 3rd party application. I get the below error I tried to set exposure control using uvcdynctrl and guvcview as well. I'm able to ...
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1answer
117 views

Freeze caused by bluetooth and webcam

My web app has a webcam running using ng-camera(based on webcam.js), and a separate bluetooth sniffer running on node js on the background. After several minutes running, the app and raspberry pi will ...
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244 views

Suggestions on getting better than 100ms latency streaming video with Raspberry PI 3

I am using a raspberry PI 3 to stream video using UV4l via a usb webcam. I have set the PI 3 as a hotspot that you can connect directly to via wifi (no router used at all). I am getting a video stream ...
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1answer
158 views

When I plug a USB camera in I get strange characters displaying on the screen

I have a raspberry pi B+ running the latest Jessie image (Linux raspberrypi 4.9.22+ ). I have a monitor, usb keyboard and usb mouse plugged into it. I also have a wired ethernet plugged in. No other ...
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1answer
1k views

Getting frames @30 fps with Logitech C270 and Raspi 3 model B using libuvc

I'm designing a solution that requires to capture 3 frames in 100ms and send it to the Raspi-3 model B. It's okay for me to receive uncompressed frames because I'm going to capture only 5 frames and ...
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1answer
84 views

Security Camera Data Usage

So I have set up a webcam with https://kerberos.io/, on my Rpi due to some recent vandalism and opened up the appropriate ports to view my camera while away from home. I know there are other things ...
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0answers
57 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 ...
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1answer
623 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 ...
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2answers
2k 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 ...
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1answer
12k 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&...
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0answers
1k 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....
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0answers
939 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 ...
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2answers
1k views

How do I protect Raspberry Pi Webcam over internet

I have already worked out how to use the Pi with a webcam and have even managed to link it to a port on the router and access from an external pc it over the internet. But I am very aware that it was ...
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1answer
2k views

Web Interface to Control Robot Arm attached to Raspberry Pi - HOWTO?

I'm currently working on a project to hook up a robotic arm & webcam to my Raspberry Pi and control said arm through a web inteface. I believe the technical work here involves: Connecting the ...
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2answers
4k views

Raspberry Pi 3 with Windows 10 IOT using USB Webcam

I just got this new Raspberry Pi 3 and I have installed Windows 10 IOT on it. I am doing this project and it is for a webcam detecting objects. So my question is, can I use a USB webcam on my ...
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1answer
680 views

Zoneminder image problem

this is my first Raspberry Pi project, I'm making home surveillance system with Raspberry Pi and Zoneminder. I got it all up and running expect one and the most important thing, image, I can see the ...
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1answer
78 views

Old RC car too new [closed]

I have a old RC car/truck with a good battery. It's starting is 2 dc motors on the back wheels (Skid steering?). Am I able to use a Raspberry Pi, USB web cam and a USB wifi card to make a RC car that ...