NextPVR with Docker and Fritzbox

[icompas]

Hi,

I try to use NextPVR in a docker installation and get the streams from a Fritzbox 6660.
But I constantly fail to get the device configure/detetced.

NextPVR starts to scan, but never returns anything.

Code:

2024-12-11 15:12:46.795 [DEBUG][36]     Starting SAT>IP discovery
2024-12-11 15:12:46.861 [DEBUG][36]     CaptureSource.LoadAll()
2024-12-11 15:12:46.862 [DEBUG][36]     DETECTED: IPTV:
2024-12-11 15:12:46.862 [DEBUG][36]      ... found existing device
2024-12-11 15:12:46.862 [DEBUG][36]     DETECTED: IPTV:
2024-12-11 15:12:46.862 [DEBUG][36]      ... found existing device
2024-12-11 15:12:47.226 [DEBUG][36]     []
2024-12-11 15:12:49.302 [DEBUG][36]     With environment: LD_LIBRARY_PATH=/app/DeviceHost/x64:
2024-12-11 15:12:49.307 [DEBUG][36]     Local Devices: <devices>
</devices>

2024-12-11 15:12:50.861 [DEBUG][36]     SAT>IP discovery complete

Any idea?

Logs are attached.

[mvallevand]

There are a few thing you might need to do in Docker

- did you configure the optional UDP ports in your Docker
- did you try setting the environment for SATIP_DEVICES= to your description URL
- if you aren't running on port 554 you need to set that too SATIP_RTSP_PORT

If all those fail try bridge mode.

Martin

[icompas]

Thanks for the initial hints!

Adding the environment SATIP_DEVICES did enable the four receivers if the Fritzbox.
Now, scanning for channels results in nothing found unfortunately.

What do I need to do?

Immo

[mvallevand]

Are your sure your Fritzbox server's RTSP set on port 554 there is no data being returned. You do need to be running in host mode because SAT>IP uses ephemeral ports.

Martin

[sub]

May also need to check the symbol rate is correct for your cable network. You chose a file with symbol rate 6950.

[mvallevand]

He tried a 6900 qam256 one too which I think is correct in Germany

Martin

[sub]

If he has the fritzbox working with some other software, or in its own web browser (if it has one), then he should be able to see the symbol rate. It's got to be right or it won't find anything.

[icompas]

Thanks for all your replies.

The m3u file provided by the Fritzbox is providing all required information, as far as I can see.

Below an example:
rtsp://192.168.2.10:554/?avm=1&freq=450&bw=8&msys=dvbc&mtype=256qam&sr=6900&specinv=1&pid ...

Port = 554
Freq = 450MHz
QAM = 256
Symbolrate = 6900 KSym/s
Bandwidth = 8MHz

Checked the port settings in the firewall, and 554 is open for TCP and UDP.

Any suggestions what else to check?

[mvallevand]

I figure your firewall is blocking the return traffic on the ephemeral ports in host mode. If you enable verbose logging (hold control on the setting screen and new option should appear) the ports that are being sent on the setup command will be logged and you can check the firewall.

Martin

[icompas]

Thanks for your reply.

I figure that the firewall is preventing something also..
Thus, I re-configured the docker container to use a macvlan to attach the container directly to the physical interface, and leaving out the firewall.
And this did the trick.
- scan is successful
- all working like it should be

Thank you!