A webcam is a device that records video and then uploads that video to a computer.
Questions tagged [webcam]
226 questions
59
votes
8 answers
How can I stream H.264 video from the Raspberry Pi camera module via a web server?
So I got the Raspberry Camera today and got stills working fine.
Capture an image in JPEG format:
raspistill -o image.jpg
Capture a 5-second video in H.264 format:
raspivid -o video.h264
I do not want to install any extra application as I want to…
Piotr Kula
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17
votes
4 answers
Unable to grab image from usb Webcam
I would like to take snapshots from an USB webcam attached to my Raspberry Pi:
First, I checked the device:
pi@raspberrypi ~ $ lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 0424:9512 Standard…
Mokus
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16
votes
3 answers
Enabling high resolution capture from web camera
I'm experimenting with using the Pi for web cam streaming and motion detection, with the motion app. Trying a few different web cameras and combinations with other hardware, I've found one combination that is perfectly stable (see below). However,…
Roger Dahl
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14
votes
3 answers
Pi for Google+ Hangouts
I'm trying to find out if the Pi could work for a Google+ Hangout. I'm guessing no but wondering if anyone is trying to get it to work. Will the new webcam version make it easier? We want to set up a dedicated Pi station for people to do Google…
pfhyper
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14
votes
2 answers
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?
Kolban
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13
votes
1 answer
How can I find out if my webcam is compatible?
Possible Duplicate:
Can I use a USB webcam?
Is there an official or other list of webcams that have been tested on the RPi?
David Sykes
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13
votes
6 answers
Streaming H264 with Logitech C920
I have a logitech C920 webcam. It has the ability to directly encode the video in H264.
I want to reproduce what was done with a Beaglebone, but using a Raspberry Pi: send a H264 stream to the network. The Raspberry Pi is then only here to packetize…
Vincent Hiribarren
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10
votes
1 answer
Rapberry pi camera module vs usb camera
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?
parthi82
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8
votes
4 answers
Commands to "simulate" removing and re-inserting a USB peripheral?
I use motion on a Raspberry Pi, and sometimes the camera feed hangs. The camera is physically mounted, and it is kind of awkward to remove the cable and insert it again, so I was wondering:
Is there a way of achieving the same effect…
Christian Neverdal
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8
votes
2 answers
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 second or two delay isn't a big deal) and save the…
Matt Howarth
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7
votes
6 answers
fswebcam not displaying images properly
Some of the images I get from the Webcam using fswebcam are not displaying properly.
Comparison:
I got these images using the following command:
sudo fswebcam -r 640x480 test.jpg
I'm having the same issues with 320x240 resolution.
EDIT:
I've also…
Gerard Rovira
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7
votes
3 answers
Get h264 from Webcam Logitech C922
I've read multiple threads about streaming a Logitech C920 Webcam via raspberry pi with cvlc using basically this command:
cvlc v4l2:///dev/video1:chroma=h264:width=800:height=600 --sout…
Gotschi
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7
votes
5 answers
Webcam disconnects after a few hours of running motion
I've been working on getting a Raspberry Pi webcam set up, thanks to a how-to post on PingBin. However, I cannot get past a problem where the camera becomes lost after a few hours of taking snapshots.
I picked up the Microsoft LifeCam Cinema 720p HD…
Weston Ruter
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7
votes
1 answer
"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 now, it says
[1] Retrying until successful…
Alok Naushad
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7
votes
2 answers
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 webcam that is connected to the Raspberry Pi. Now…
Bas Jansen
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