Streaming music to DNA capable devices from server on Raspberry PI

Plex Media Server
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1

Server Version#: v1.27.1.5916-6b0e31a64
Player Version#: Browsers
I installed a docker based plex on a Raspberry Pi 4 (ARM), and set up to use a mounted network disk with music library of FLAC files.

I enabled DLNA on Plex server. The DLNA log shows no errors…

Jul 03, 2022 09:13:27.698 [0xffffbad97ad0] INFO - Plex DLNA Server v1.27.1.5916-6b0e31a64 - Docker Docker Container (LinuxServer.io) aarch64 - build: linux-aarch64 - GMT -04:00
Jul 03, 2022 09:13:27.698 [0xffffbad97ad0] INFO - Linux version: 5.15.0-1011-raspi, language: en-US
Jul 03, 2022 09:13:27.698 [0xffffbad97ad0] INFO - Processor: 4-core AArch64
Jul 03, 2022 09:13:27.691 [0xffffbcf3a890] DEBUG - Unique device name = f5f773c6-b897-1a27-8527-9444f0850827
Jul 03, 2022 09:13:27.691 [0xffffbcf3a890] DEBUG - DLNA server port: 32469
Jul 03, 2022 09:13:27.691 [0xffffbcf3a890] DEBUG - PMS: http://127.0.0.1:32400/
Jul 03, 2022 09:13:27.691 [0xffffbcf3a890] DEBUG - MyPlex: https://plex.tv/
Jul 03, 2022 09:13:27.827 [0xffffbcf3a890] DEBUG - Reading system DLNA client profiles
Jul 03, 2022 09:13:27.913 [0xffffbcf3a890] DEBUG - Read 22 DLNA client profiles
Jul 03, 2022 09:13:27.916 [0xffffbcf3a890] DEBUG - [PERF] Slowest insertShortKey in 10.000000 ms.
Jul 03, 2022 09:13:27.926 [0xffffbcf3a890] DEBUG - DLNA device discovery enabled every 60 seconds
Jul 03, 2022 09:13:27.930 [0xffffbcf3a890] DEBUG - Initialization complete

When playing back music using a browser (Safari/Chrome) on iMac (and later other devices), I want to be able to redirect the music to my Anthem MRX540 receiver, which supports DLNA, or to a Songbird unit connected to a surround sound processor. I can do this with other media servers (e.g. Emby). Wondering what I’m missing to be able to do this with Plex.

When I try to use the “Select Player” all I see are other browser instances (I think on the same machine).

Any suggestions as to what I’m missing?

2

Is the issue because Plex is running in a container with different subnet, instead of using host networking? Is it possible to use host networking with Plex? I think that is what I did with Emby to get DLNA working.

3

Plex doesn’t (currently) support this functionality; being a DLNA server is as far as it goes. There’s a (relatively unpopular) feature request for it though.

The “Select Player” function is specific to supported Plex apps and does not use/support DLNA.

4

Thanks for the clarification. Looks like I’ll go back to using Emby for streaming local music library to my audio devices.