From: "Aaron Bishop" <[EMAIL PROTECTED]>
Subject: Re: RealAudio, WebCams, and SMIL Files
Yeah, I've made it work myself, but not unlimited...you can only pick so
many reloads of the webcam before the system bogs completely trying to
buffer them all. It's pretty high, something like 500...so it's not the
end of the earth. I never did figure out a way to make it
"repeat=indefinite"...I think SMIL doesn't support it yet.
Here's the SMIL code I used:
<smil>
<head>
<layout>
<region id="webcam" left="0" top="0" width="320" height="240"/>
</layout>
</head>
<body>
<par>
<audio
src="rtsp://realserver.yourcompany.com/encoder/webcam.rm"/>
<img src="http://www.yourcompany.com/wabc/images/webcam.jpg"
dur="3s" repeat="500" region="webcam"/>
</par>
</body>
</smil>
Aaron Bishop
CW Audio Engineer
[EMAIL PROTECTED]
From: "Chris Knipe" <[EMAIL PROTECTED]>
Subject: RealAudio, WebCams, and SMIL Files
Hi...
I was just wondering how, and if it is possible, to make a SMIL file =
consisting of RealAudio (Live Broadcast) and include an image, that has =
to refresh say every minute for means of web cams.
Does anyone perhaps have an example of such a SMIL file, or information =
on how I can get the SMIL to refresh the one frame in the SMIL (Which =
will contain the JPEG).
Also while I am at it, can anyone here recommend me of a few fairly good =
webcams? It doesn't have to be top of the range, aslong as it would do =
the thing. The entire project would be run on NT machines, and as far as =
sound and video cards go, I haven't bought anything yet, so discussions =
and suggestions would be gladly appreciated.
Feedback would be appreciate on this, but this is basically what I am =
planning on doing.=20
Working with Rave Networks Inc. (http://www.rave-networks.com) we will =
be launching a RealAudio project in South Africa, using their networks =
to stream audio from South African clubs over the Internet. The live =
broadcast would be published to their servers, and to connect to the =
streams, I thought about using SMIL files.
The reason for the SMIL files would be because to cover our overhead =
costs in the project, we would be running advertisements. Easiest way to =
make sure the ads only show up when using RealAudio broadcasts, would be =
to include the ads in SMIL files. (Examples of this is included in the =
Radio Station SMIL Example on Real Networks' web site) Apart from that, =
we would also be implementing webcams (about 2 or 3) per club, =
monitoring different locations in the club itself. So now I am just =
wondering, should I perhaps combine the webcams in the SMIL aswell, or =
perhaps even take all three webcams into the SMIL and let it =
periodically refresh and select which one of the three webcams to =
feature in the SMIL broadcast for that minute (seeing that new pictures =
would be taken every minute). Or do I do the webcams separate over an =
HTML interface ?
Taking the three webcams into the SMIL would once again, take it back to =
somewhat of the technology used in the advertisements, and would =
randomly select which one of the three webcams to feature? Just how =
random would this be? And how would I know that all three webcams would =
actually feature in the broadcast?? Also what happens when the webcams =
gets expanded to say perhaps 10 or 15 cameras?
Just for the record, if there are other people here that might be =
interested in starting such a type of organization with me (taking clubs =
online and streaming their audio and images from the club, similar to =
Rave Networks Inc.), please do not hesitate to contact me personally.
Regards
Chris Knipe
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