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February 16, 2020, 07:56:19 19:56


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Author Topic: Analog to IP Video Converter  (Read 729 times)
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techneo
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« on: January 31, 2020, 12:43:39 00:43 »

Hi,

 I have three analog cameras installed in one building and i want to transmit these videos over LAN to a second building. I wanted to start with converting the analog video  to digital video and then input it to the CSI port of Raspberry Pi which would convert it into IP format.

What i will do is try to convert the analog video into digital video format using TVP5150AM from TI.

http://www.ti.com/product/TVP5150AM1-EP?keyMatch=VIDEO%20ENCODER&tisearch=Search-EN-everything

OR

 do the conversion using ADV7280.

   https://www.analog.com/en/products/adv7280.html

Now the next problem is how to convert from YCrCb format to CSI format?

I have the following further options :

  1. Convert the YCrCb to HMDI and use a HDMI to CSI Bridge.

           https://auvidea.eu/b101-hdmi-to-csi-2-bridge-15-pin-fpc/

    But this bridge is very expensive and not feasible for serial production because of cost.

Since i have no previous experience of doing this , i just wanted to confirm from any board member  if the path i have chosen is good to follow or i make some diversion?

Regards

  - techNeo

  
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bobcat1
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« Reply #1 on: February 02, 2020, 02:02:38 02:02 »

Hi I have worked with TI TVP5150 nice chip - you will also need a pre amp in front of each channel
You can use any  microcontroller who have a digital camera interface (STM32 F4 & F7 , I.MxRT10x0 )to sample the YcrCb signal and send it via Ethernet.

it is a rather complicated project as to buy a wireless LAN camera cost less then $20

All the best

Bobi

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techneo
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« Reply #2 on: February 03, 2020, 07:59:47 19:59 »

Hi Bob

  I genuinely appreciate your help...
 However, my limitation is that the legacy cameras having analog output can only be modified and cannot be changed altogether. So i guess i need to get hold of TVP5150 to get the job done.


  Regards

  - techNeo
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