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Questions tagged [webcam]

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

2
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1answer
277 views

Raspberry Pi Camera, what's the big deal?

I remember when the Raspberry Pi camera was announced everyone was very excited about this. I don't understand the hype. Are you not able to hook up regular cameras to the Pi? Or maybe use a cell ...
2
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2answers
4k views

Using motion to save single images

I have a webcam running on my RPi. How can I use motion to save single images or movies to a file instead of streaming via http?
2
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1answer
619 views

how to increase fps for raspberry pi for object detection

I'm having low fps for real-time object detection on my raspberry pi I trained the yolo-darkflow object detection on my own data set using my laptop running windows 10. When I tested the model for ...
2
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1answer
7k 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 ...
2
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1answer
3k views

Webcam pictures too bright (with bright bar on top)

Im using a Microsoft LifeCam HD-3000 and when trying to take pictures with both fswebcam and mplayer the pictures are too bright and/or have a bright bar on the top quarter of the image. When ...
2
votes
3answers
1k views

I want to webcam stream 24/7 to open Internet

I am a teacher, and we are using a 3-D printer. I have a Raspberry Pi 3 Model B, as well as the Webcam Module Version 2, and I have the camera set up and can see video by typing in localhost:8081 into ...
2
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1answer
6k views

VLC - Unable to open MRL 'v4l2:///dev/video0'

I have been trying to stream live webcam footage from my PS3 eye toy (connected to RPI through USB). I downloaded VLC and ran: vlc 4l2:///dev/video0 But I keep running into the error VLC is ...
2
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1answer
631 views

How to use a webcam that is not officially for the Raspberry Pi?

I was just wondering if I could use a normal webcam that is NOT officialy Raspberry Pi endorsed? I am using a Raspberry Pi 3 Model B
2
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1answer
1k 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 ...
2
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1answer
1k 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 (<...
2
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1answer
1k 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 ...
2
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1answer
1k views

Can I use openCV with Java SE embedded wrapper for Raspberry Pi?

I will try to explain what I am trying to do, as it seems to be relevant in order to understand my question. I am currently trying to do face recognition from a webcam connected to a Raspberry Pi ...
2
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1answer
1k views

FFServer streaming “issues”

I'm hoping to stream a webcam to browsers from my Pi using ffserver. I've seen a number of similar tutorials such as this one. They all say I need to compile it because the default version has "...
2
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0answers
40 views

webcam issue after UV4L installation

I am trying to make a usb webcam work on my rpi but it drives my nuts. I have Rpi 3 model B+ Also I've downloaded the newest raspbian image (stretch with desktop and recommended software). It's ...
2
votes
1answer
547 views

USB cam with raspberry pi 3: achieving maximum FPS

I am using a ub camera with raspberry pi. When I run v4l2-ctl --list-formats-xext, I get the max FPS is 15 with resolution of 2592x1944. However when I run ffmpeg -t 5 -f v4l2 -framerate 15 -...
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0answers
796 views

Stream a camera, and get the video feed on Java

For my project, I have two USB cameras. I would like to plug them to the Raspberry Pi to stream over the internet. Also, I am developing a software in Java, and these videos streams (2) have to be ...
2
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0answers
1k 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 ...
2
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0answers
1k 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). ...
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2answers
1k 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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2answers
3k views

Raspberry motion getting killed every morning and evening

This is the weirdest problem I have ever ever faced! I am using Raspberry PI (running Raspbian Wheezy) with Logitech C310 webcam for home monitoring, with motion detection and recording enabled. It ...
1
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2answers
8k 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
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2answers
368 views

Activate USB camera connected in Pi through laptop

cap = cv2.VideoCapture(0) When I run this, it activates webcam of laptop. I want to view the USB camera connected to the Pi on my Windows PC's screen. Both are connected to the same LAN. I want to ...
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3answers
10k 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 interrupt ...
1
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1answer
363 views

Possibility: Simultanius save webcam stream to file and register as DirectShow-device via USB

I got a simple webcam (640x480) that streams to a Windows-PC, where the webcam stream is show using a simple OpenCV-Application. I'm looking for a way to simultaniuosly show the video and save it to ...
1
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2answers
425 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 ...
1
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1answer
213 views

How you would build a Robot with a raspberry Brain? [closed]

I think about building a Robot with the raspberry as the Control Unit. Anybody of you done that already? The question is about Which hardware can controlled by the raspberry? How you would solve the ...
1
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2answers
2k views

What is the best way to capture still time-lapse from logitech C920 on raspberry pi

I'm looking to use a Logitech C920 to capture still images (which I will later sew into a time lapse) Is it possible to use raspi-still to do this? I've read about the streaming solutions and using ...
1
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5answers
785 views

Advice on RPi taking high res pictures at timed intervals

I'm working on a project with my Raspberry Pi at the moment. I'll give a brief summary of what I'm trying to achieve. I would like my RPi to take high resolution pictures through a USB webcam at ...
1
vote
2answers
2k views

Logitech c170 webcam not working

I've connected a Logitech c170 webcam to a Raspberry Pi via an externally powered USB hub. It's running Raspbian Wheezy. The camera is detected by the Pi when plugged in, and running VLC even causes ...
1
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1answer
326 views

using an rpi as IP camera with minimal CPU usage?

I'm trying to get a pi happening as an IP camera, using a CSI camera module. I'd like to minimise CPU usage. I don't need motion detection, just to dump an image from the camera onto the network where ...
1
vote
1answer
2k views

Can't access motion cam on my raspberry pi from outside

I have been struggling with this for whole day. I have a Microsoft web cam connected to my raspberry pi 3 with ip of 192.168.0.17, and listening port of 446. Based on the documentation I have the ...
1
vote
1answer
8k 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 ...
1
vote
1answer
3k 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 ...
1
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1answer
8k 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 ...
1
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1answer
250 views

IR Door Security Project - Where to start?

For my first Raspberry Pi project i'd like to do some some of IR Door Security (sort of security - basically my landlord is conducting house viewings at anytime and when i'm not in i'd like to know ...
1
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1answer
1k views

e-CAM30_USB camera with raspberry pi

Can I use this USB camera with raspberry pi? When I use this with beagle board xm it does not require any driver. Could you please give me a solution?
1
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1answer
33 views

Only allow a specific peripheral to be connected to a USB port

I am turning my raspberry pi prototype device into a market product. The data and the program running on the pi must be protected. But we have a USB webcam attached to it (provided by us, hence we ...
1
vote
1answer
944 views

Raspbian Stretch C920 webcam driver LED control regression?

In a previous Stack Overflow post (April 16th 2018), Raspberry Pi : use VLC to stream webcam : Logitech C920 [H264 Video without transcoding + Audio + LED control], I described how to use the Pi + ...
1
vote
2answers
2k views

Problem with usb camera

I want to periodically take pictures using a webcam connected on a Raspberry Pi via fswebcam. It happens that it is unstable and some times it just fails, with no apparently reason. Below you will ...
1
vote
1answer
476 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 ...
1
vote
1answer
641 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. ...
1
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1answer
305 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
10k 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?
1
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1answer
1k 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 ...
1
vote
1answer
1k views

Display USB webcam video to composite output

I have an old TV that has a composite video connection (analog video) and a USB webcam. I would like to stream videos from the usb webcam on the old TV. I connected and could see kind of booting list ...
1
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1answer
221 views

Can I get the Kodak DVC323 webcam to work?

I have an older webcam, a Kodak DVC323 Digital Video Camera, that I'm trying to get to work with the Raspberry Pi, running Raspian. It's rated 5V 0.5A. I see it is not on the list of verified ...
1
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1answer
545 views

player with harware aceleration for tcp stream

I am trying to stream video from a pi to another.I have been success-full in that using gstreamer. Playing the video is another question. I can open the stream using VLC but its rather slow and the ...
1
vote
1answer
2k views

How do I install webcam firmware on the Raspberry Pi?

I want my Raspberry PI to be able to use this cheap webcam I bought from China. Identified as 17a1:0128 TASCORP After quite a bit of searching I found a post from someone who had got it to work ...
1
vote
1answer
388 views

Motion - root has no access to the webcam

I had an installation with motion running as webcam-server. I reinstalled the linux-distro and reinstalled motion, and now "root" has no access to the webcam. The "pi" user still can access and work ...
1
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0answers
91 views

Error opening USB Cam with OpenCV4: GStreamer-CRITICAL **: gst_element_get_state: assertion 'GST_IS_ELEMENT (element)' failed

After installing OpenCV4.0 on my RPi, i tried a simple script below with a Logitech USB Cam (720p) but at "cam = cv2.VideoCapture(0)" it gives me an error "(python:num process): GStreamer-CRITICAL **: ...