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From TV screen to any device


Eiskaffee

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Hi there,

a few weeks ago i got the 43uj6309 LG SmartTV and now i got a question to this TV.

My plan is to install a Ambilight for the TV itself, without HDMI input (as I got none). I red the last days a lot about it and it seems its not that hard.
The only problem is, every topic is about grabbing the video source of an HDMI device, not the TV screen itself.  As i dont use any HDMI Device and just stream TV, Netflix and Amazon my ambilight setup has to get the video information from the TV directly.

 So i came up with an idea... maybe its not (yet) working or just a stupid idea...

Is it possible to stream the Video signal of the TV to any device trough my network at home? Screensharing or miracast work the same way, dont they? There are Apps like the WEBOS app, where i can scroll trough my photos, so there must be a way to share my TV screen to another WIFI device in the network.

If that works or if  there is any way to get the f*** video signal of my TV to the raspberry Pi my ambilight setup would work.

so thanks to anyone who is into the topic and knows someting about it. 
peace

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