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Re: Read info from webcam video

From Norman Peelman <npeelman@cfl.rr.com>
Newsgroups comp.lang.php
Subject Re: Read info from webcam video
Date 2013-06-20 19:14 -0400
Organization A noiseless patient Spider
Message-ID <kq022o$1fb$1@dont-email.me> (permalink)
References <5e27f6e2-479b-466d-b819-910dbb58cfb5@googlegroups.com> <kpuvoh$eui$2@news.albasani.net>

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On 06/20/2013 09:23 AM, The Natural Philosopher wrote:
> On 20/06/13 10:35, dandi.box@gmail.com wrote:
>> I've  a video Wi-Fi Cam.
>>
>> In the room there is a small light that can be flashing.
>>
>> Is there a way for read image using PHP pages and know is this light
>> is flashing or not?
>>
>> Thanks
> sure,. But an ardinio boards and profram it to sense the voltage across
> te LED by attaching it to the camera, and send the result down a USB
> portto a computer running linux, and then write a daemon on C to monitor
> that and place the state in a temporary file or somewhere where PHP can
> see it.
>


   Ummm, really?!


 > Though quite why PHP is involved, its hard to say.
 >

   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.

-- 
Norman
Registered Linux user #461062
-Have you been to www.php.net yet?-

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Thread

Read info from webcam video dandi.box@gmail.com - 2013-06-20 02:35 -0700
  Re: Read info from webcam video "Peter H. Coffin" <hellsop@ninehells.com> - 2013-06-20 07:30 -0500
  Re: Read info from webcam video Jerry Stuckle <jstucklex@attglobal.net> - 2013-06-20 09:14 -0400
    Re: Read info from webcam video Norman Peelman <npeelman@cfl.rr.com> - 2013-06-20 19:08 -0400
      Re: Read info from webcam video Jerry Stuckle <jstucklex@attglobal.net> - 2013-06-20 19:40 -0400
  Re: Read info from webcam video The Natural Philosopher <tnp@invalid.invalid> - 2013-06-20 14:23 +0100
    Re: Read info from webcam video Norman Peelman <npeelman@cfl.rr.com> - 2013-06-20 19:14 -0400
      Re: Read info from webcam video Jerry Stuckle <jstucklex@attglobal.net> - 2013-06-20 19:44 -0400
      Re: Read info from webcam video "Peter H. Coffin" <hellsop@ninehells.com> - 2013-06-20 21:31 -0500
        Re: Read info from webcam video Norman Peelman <npeelman@cfl.rr.com> - 2013-06-21 06:14 -0400
          Re: Read info from webcam video "Peter H. Coffin" <hellsop@ninehells.com> - 2013-06-22 12:52 -0500
        Re: Read info from webcam video Jerry Stuckle <jstucklex@attglobal.net> - 2013-06-21 10:53 -0400
    Re: Read info from webcam video Jerry Stuckle <jstucklex@attglobal.net> - 2013-06-20 19:45 -0400
      Re: Read info from webcam video Denis McMahon <denismfmcmahon@gmail.com> - 2013-06-21 11:37 +0000
        Re: Read info from webcam video The Frog <Mr.frog.to.you@googlemail.com> - 2013-06-23 08:55 +1000

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