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I'm interested in using a Raspberry Pi and some webcam to stream video to the web.

First, I would need to know how to setup the webcam.
Second I would like to know if it is possible to push a stream to some service like Ustream.

UPDATE: Can I just plug in any modern USB webcam? Or do I need to install some driver?
Is there a Ustream client that will run on the RPi, or any other similar client that will push live stream to them web?

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This question is quite vague. Have you tried anything so far? –  Jivings Jan 29 '13 at 19:19
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4 Answers 4

up vote 5 down vote accepted

To stream to services like UStream you can use ffmpeg:

ffmpeg -f video4linux2 -i /dev/video0 -qscale 1 -r 25 -vcodec libx264 -b 636k -aspect 4:3 -s 640x480 -ar 44100 -ab 64k -async 1 -g 6 -threads 2 -f flv  "${RTMP_URL}/${KEY} flashver=FME/2.5\20(compatible;\20FMSc\201.0)"

Where:

  • /dev/video0: where your webcam is connected on Linux
  • RTMP_URL: Ustream channel RTMP server URL to publis
  • KEY: Your Ustream channel KEY

(You can find RTMP_URL and KEY on Ustream Dashboard->Your channelname->Remote section)

Also, I could stream my webcam to my Wowza Media Server (over RTMP) with this:

ffmpeg -re -i /dev/video -qscale 1 -r 25 -vcodec libx264 -vpre fastfirstpass -b 636k -aspect 4:3 -s 640x480 -ar 44100 -ab 64k -async 1 -g 6 -f mp4 -threads 2 rtmp://192.168.1.6/live/webcam
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There is lots of hardware confirmed to work with RPI, so in simple terms - many or even most of USB web cameras will work with RPI.

On the streaming side of things - check out motion. Here is a good example of setup.

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I believe ustream uses flash. Also, adobe flash media encoder is out of the question since it doesn't work on any OS other than mac/windows.

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Makes sense. So what other option is there to push out a video stream? –  Ron Harlev Jan 31 '13 at 21:19
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Using VLC you can send a stream and play it within the network. I haven't tried doing this from another network but somehow there should be a way. If not directily from VLC, then via a website.

Using this code in HTML you can create a website with the stream:

<OBJECT classid="clsid:9BE31822-FDAD-461B-AD51-BE1D1C159921"
            codebase="http://downloads.videolan.org/pub/videolan/vlc/latest/win32/axvlc.cab"
            width="640" height="360" id="vlc" events="True">
            <param name="Src" value="rtsp://cameraipaddress" />
            <param name="ShowDisplay" value="True" />
            <param name="AutoLoop" value="False" />
            <param name="AutoPlay" value="True" />
            <embed id="vlcEmb"  type="application/x-google-vlc-plugin" version="VideoLAN.VLCPlugin.2" autoplay="yes" loop="no" width="640" height="360"
            target="rtsp://***.***.***.***:8554/" controls="false"></embed>
</OBJECT>
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