Re: Viewing a web cam from my PPC HP4150
From: Neil Smith [MVP Digital Media] (neil_at_nospam.com)
Date: 11/12/04
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Date: Fri, 12 Nov 2004 15:57:43 GMT
On Fri, 12 Nov 2004 15:24:30 -0000, "Kimball K Kinnison"
<nospam.please@yahoo.com> wrote:
>"Neil Smith [MVP Digital Media]" <neil@nospam.com> wrote in message
>news:bjb9p0ljrvjqghc3rmh6o4uc3l3038urq7@4ax.com...
>> On Fri, 12 Nov 2004 10:21:36 -0000, "Kimball K Kinnison"
>> <nospam.please@yahoo.com> wrote:
>>
>>>"Neil Smith [MVP Digital Media]" <neil@nospam.com> wrote in message
>>>news:0249p0l2h406ccd81cl8r80m6ihc3fug5q@4ax.com...
>>>> Not really necessary to run Java on the PPC : As long as thw web cam
>>>> creates a web page with a standard image type (JPEG, GIF etc) it'll be
>>>> fine.
>>>>
>>>> The webcam software normally makes a web page with a `refresh`, so as
>>>> the page updates every minute (lets say) it grabs a new copy of the
>>>> image from whatever PC is sending the image, evey time it reloads.
>>>>
>>>> The only place you may need Java is in the software which generates
>>>> the image. But that'll be on the PC ;-)
>>>>
>>>> Cheers - Neil
>>>>
>>>> On Thu, 11 Nov 2004 23:39:20 -0600, "Joel H Villanueva"
>>>> <joelhvillanueva@prodigy.net.mx> wrote:
>>>>
>>>>>I have a web cam installed at my factory so I can overview production
>>>>>online
>>>>>from my home PC. Is it possible to view the web cam from my PPC?
>>>>>
>>>>>I believe I need java tu run my web cam application.
>>>>>
>>>>>Thanks in advance
>>>>>
>>>>>Joel
>>>>>
>>>>
>>>
>>>Who would you go about viewing a streaming video image on a PPC?
>>
>> Your definition of streaming and mine might differ. It's not going to
>> be an image if it 'streams', rather it will be video.
>>
>> In that case you need to define the format of the video you're
>> producing and then we can suggest solutions ;-)
>>
>> An example might be if you used windows media encoder on a webcam
>> attached to the PC. And you set it up to capture from the camera, or
>> even lets say on-screen content from a program window, once per
>> second.
>>
>> This would create a stream which can be broadcast, and picked up by
>> any network attached PC or PPC.
>>
>> You'd have to use windows media 8 or 9 video codec rather than the
>> screen capture codec for the PPC to read it. But it would work fine,
>> you'd point your PPC's media player to the IP address and port number
>> of the media encoder PC (the port is needed to identify the encoder
>> service, that's where it broadcasts from).
>>
>> All you'd need to do then once it was running, is make sure the
>> firewall on the PC was open to the outside on that port number - Zone
>> alarm can do this (not too sure about the XP firewall).
>>
>> HTH
>> Cheers - Neil
>>
>>
>>
>>
>
>I have a Axis Network Camera at home and I would like to be able to view the
>video it produces on my PPC.
>An example of an axis network camera can be found at.
>
> http://portal.plus.net/index_nlp.html (This is PluNet My home ISP)
>
>There is a webcam icon about half way down on the right. Click this and then
>chose a camera to look at.
>
>I would give the link to my own camera but the last time I did it was
>swamped!
>
>I can view a still image from my own camera as a JPG on my PPC (an HP5450)
>but not the video.
>Anyone any suggestions?
No, you wouldn't be able to. That page installs an ActiveX control
(you'll have seen a popup the first time it ran asking did you want to
install it). The pocket PC generally doesn't support any ActiveX
drive-by downloads so there's no way to view it using the Axis control
Instead as I said you'll probably want to set up a streaming server.
Be aware though, that being swamped is really a function of how many
people are connected and how much bandwidth you have outgoing.
If it's just your PPC camera it'll probably be fine, you might even
get 2-5 frames per second if you used a media stream.
I'd suggest downloading the encoder from here, see if you can get it
to recognise and connect to your camera, then go from there :
http://www.microsoft.com/windows/windowsmedia/9series/encoder/default.aspx
You'll want to tell the encoder to Output to Broadcast, rather than
encode to file (although you can do that at the same time for a
security archive if you like). The only problem will be it's one
source at a time, so no way to switch on the fly between several
cameras witout writing some code to stop and restart the encoder.
Cheers - Neil
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