| Re: Read info from webcam video [message #181914 is a reply to message #181894] |
Sat, 22 June 2013 17:52   |
Peter H. Coffin
Messages: 245
Registered: September 2010
Karma:
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Senior Member |
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On Fri, 21 Jun 2013 06:14:25 -0400, Norman Peelman wrote:
> On 06/20/2013 10:31 PM, Peter H. Coffin wrote:
>> On Thu, 20 Jun 2013 19:14:15 -0400, Norman Peelman wrote:
>>> As long as he can grab the images from the cam via php (requires that
>>> the IP camera has an internal server) then it is quite easily done. As
>>> Jerry's response dictates. Examine the images looking for the tell-tale
>>> LED.
>>
>> And checking against previous images to see if they were off, and
>> selecting the appropriate image somehow to make the comparison with. And
>> it'll be especially fun if the camera's not set someplace where the LED
>> fills the entire sensor area...
>>
>
> Well, since the op said it would be flashing, I imagine you only need
> to find it 'on' at least once.
OP said "flashing" not "on". And I know plenty of things that use a
flashing power indicator to indicate an error condition, which is not
just plain "on" or "off".
--
67. No matter how many shorts we have in the system, my guards will be
instructed to treat every surveillance camera malfunction as a
full-scale emergency.
--Peter Anspach's list of things to do as an Evil Overlord
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