Added details on how to get Nest doorbell refresh token and device ID

[dairefinn]

There wasn't a whole lot in the README about adding a nest doorbell directly so I added a guide on how to do it based on my recent experience doing it.

[slhad]

Thanks to you @dairefinn I was able to see that my doorbell and nest camera are the oldest ones and are sadly

{
"traits": {
   "supportedProtocols": [
            "RTSP"
          ]
   }
}

and enabled me to find https://developers.google.com/nest/device-access/traits/device/camera-live-stream#generatertspstream

I will see if I can mash something together for the RTSP protocol because my doorbell is too expensive to replace

[felipecrs]

@slhad in this case you can use my integration:

https://github.com/felipecrs/hass-expose-camera-stream-source

But I think you can upgrade your doorbell to WebRTC by enrolling it in preview updates in Google Home app. I have never done so, just heard it works.

[slhad]

@felipecrs I had tried already

but I am having ~5 mins drop , I don't know from what it comes as the rtsp stream expires every 5 mins without extensions (aka HA renewalk ?), if I have poor wifi for the doorbell cam (dedicated 2.4g router) or if the Volt/Amp inside wires are unstable

Or all of them ?

I am under the impression that https://home.nest.com/ also have the same 5 mins problem ....

(still with your integration)

And then I checked the wifi channel and it was on "auto", fixed it to channel 1 (away from my other 2 routers) and I have steady stream,

I still got the 5 mins timeout in go2rtc but seem to retry and work transparently instead of freezing and killing the stream

[felipecrs]

Have you tried this btw?

https://www.reddit.com/r/googlehome/s/amYiK7k9uF

[slhad]

I will keep it in mind if I still get issues, but for now I have 10+ hours of uninterrupted doorbell footage, that's perfect