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Author Topic: Analog to IP Video Converter  (Read 1632 times)
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techneo
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« on: January 31, 2020, 06:43:39 06:43 »

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, 08:02:38 08:02 »

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 04, 2020, 01:59:47 01:59 »

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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scrts
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« Reply #3 on: May 30, 2020, 09:22:28 21:22 »

Here's exactly what you need: https://www.renesas.com/us/en/products/audio-video/video-decoders-encoders/video-decoders/device/ISL79987.html
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bobcat1
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« Reply #4 on: May 31, 2020, 07:57:25 07:57 »

The TVP5150 have analog video input

All the best

Bobi
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millegps
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« Reply #5 on: May 31, 2020, 03:00:53 15:00 »

Probably the cheapest solution is to use an NVR with analog inputs.
Some chinese dealers claim to give also an SDK, so you can customize firmware with your own application
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bigtoy
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« Reply #6 on: June 17, 2020, 04:33:49 16:33 »

Why not just buy a box that takes analog video in and puts out TCP/IP video? They're not expensive.
https://www.amazon.com/Grandstream-GS-GXV3500-Video-Encoder-Decoder/dp/B006307P6S

Disregard if you really want to do a "build it yourself" project. Otherwise, this seems a lot easier.
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techneo
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« Reply #7 on: June 18, 2020, 04:47:31 16:47 »

Why not just buy a box that takes analog video in and puts out TCP/IP video? They're not expensive.
https://www.amazon.com/Grandstream-GS-GXV3500-Video-Encoder-Decoder/dp/B006307P6S

Disregard if you really want to do a "build it yourself" project. Otherwise, this seems a lot easier.

yes its seems interesting  Smiley

The only constraint that i have is for accommodating the converter in a very tight space. That's why i want to go for a fully customized solution.


- techNeo
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