install go2rtc on bob

installs_on_host/go2rtc/internal/dvrip/README.md

@@ -0,0 +1,21 @@
+# DVR-IP
+
+[`new in v1.2.0`](https://github.com/AlexxIT/go2rtc/releases/tag/v1.2.0)
+
+Private format from DVR-IP NVR, NetSurveillance, Sofia protocol (NETsurveillance ActiveX plugin XMeye SDK).
+
+## Configuration
+
+- you can skip `username`, `password`, `port`, `channel` and `subtype` if they are default
+- set up separate streams for different channels
+- use `subtype=0` for Main stream, and `subtype=1` for Extra1 stream
+- only the TCP protocol is supported
+
+```yaml
+streams:
+  only_stream: dvrip://username:password@192.168.1.123:34567?channel=0&subtype=0
+  only_tts: dvrip://username:password@192.168.1.123:34567?backchannel=1
+  two_way_audio:
+    - dvrip://username:password@192.168.1.123:34567?channel=0&subtype=0
+    - dvrip://username:password@192.168.1.123:34567?backchannel=1
+```