flac with minidlna

Hi,

I've been accessing mp3 and wma from a OMV drive with no issues for a while.

I've recently started using the flac format. When I'm using BubbleUPnP UPnP/DLNA to browse media the flac files don't show up (others formats do). I can see the files using a standard file explorer.

I'm trying to troubleshoot at the moment and work out where the issue is. Any known difficulties using flac with minidlna?

Cheers,
Llion

Ok, done a bit more digging.

I copied some of the flac files to a Windows 10 PC also on the network.

These were visible and playable in BubbleUPnP, so the issue isn't with the files or the client (BubbleUPnP) but probably with the server (minidlna on OMV).

Do I need to do something to ensure that flac files are indexed?

Any suggestions gratefully received.
Llion