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I've gotten uprcl to work except for populating the Artist, I will rebuild and try again with latest source.

Arch needed a few additional dependencies, perhaps some are optional...
depends=('libmpdclient' 'libupnpp>=0.15.3' 'libmicrohttpd' 'jsoncpp' 'curl' 'expat' 'python-requests' 'recoll' 'python-bottle' 'python-mutagen' 'aspell-en' 'id3lib' 'python-waitress' 'sqlite3' )

I still don't see /dev/shm being used, but maybe it's not needed for uprcl?

Thanks again for upmpdcli

Skunark

Thanks for reporting this !

The shm error message is actually not significant, the segment is only used in conjunction with OpenHome Credentials service, and never created if this not used. I just pushed a modification to silence it, it also ennoyed me every time...

I think that the AUR package would need an update, but I'm not maintaining it (not running Arch myself). The reference should be the Debian package, which I try to keep in good shape in upmpdcli/debian. See the 'control' file for the dependancies. The package is split into the base upmpdcli renderer and the different media server modules, because not everybody needs everything. As far as I can see, the Debian deps match what you unfortunately had to find out by yourself...

Please keep me updated about the issue with the Artist field. uprcl is still quite experimental at this point. It aims to emulate the excellent but not open-source minimserver so as to provide a replacement for it should it go away. Not quite there yet :)

I did let the package maintainer know on AUR of the dependencies for uprcl; but yeah, I should have thought of looking into the Debian directory, but it wasn't many. :) I will dig into the tag issues this week. Most of my songs have been ripped via python audiotools and ID3 tag and album art updates with Beets and musicbrainz. I will reduce the amount of files uprcl scans and try other files if needed. Should I expect, artist, album, genre and album art to all work?

I skimmed some of the uprcl files and noticed this:

./src/mediaserver/cdplugins/uprcl/uprcltags.py:if __name__ == '__main__':
./src/mediaserver/cdplugins/uprcl/uprcltags.py-    confdir = "/home/dockes/.recoll-mp3"

Is there anything useful in .recoll-mp3 to make this work?

I don't think that you "should have thought" of looking into the debian directory. I was just mentionning it because it's a useful reference.

About the .recoll-mp3 file: uprcl creates its own Recoll config file in /var/cache/upmpdcli/uprcl, so the one I use for testing is irrelevant.

What recoll version are you using ?

The generation of fields is quite a complicated pipe. The first step is inside Recoll, so you could have a look at it by using recoll itself. "recoll -c /var/cache/upmpdcli/uprcl", then search for any term, hit Preview on a result, right-click the preview and select "Show fields". This will show you what Recoll has extracted and stored. You may need to adjust the permissions on the upmpdcli/uprcl directory because it belongs to upmpdcli and you need to read things in there.

You could also dump the ID3 data for one of the songs and attach it here, maybe it will give me an idea of what goes wrong.

Also, thanks for the very generous donation !

Recoll(1.24.1) seems to have the right information, or at least to me everything looked fine. Attached is the recoll output (notes.txt), mutagen-inspect output and the uprcl configuration settings.

Neither Lumin nor Kazoo shows the Artist or Genre, but the "Albums" are listed.

I'm very thankful of this! Many drinks are owed here :)

Also the log (log_level=5) output when asking lumin to list Artists:

<u:Browse xmlns:u="urn:schemas-upnp-org:service:ContentDirectory:1">
<ObjectID>0$uprcl$=Artist</ObjectID>
<BrowseFlag>BrowseDirectChildren</BrowseFlag>
<Filter>*</Filter>
<StartingIndex>0</StartingIndex>
<RequestedCount>30</RequestedCount>
<SortCriteria></SortCriteria>
</u:Browse>

:4:src/mediaserver/contentdirectory.cxx:337::ContentDirectory::actBrowse:  ObjectID 0$uprcl$=Artist BrowseFlag BrowseDirectChildren Filter * StartingIndex 0 RequestedCount 30 SortCriteria 
:5:src/mediaserver/cdplugins/plgwithslave.cxx:487::ContentCache::purge: erasing uprcl:0$uprcl$albums$1
:5:src/mediaserver/cdplugins/plgwithslave.cxx:487::ContentCache::purge: erasing uprcl:0$uprcl$=Composer
:5:src/mediaserver/cdplugins/plgwithslave.cxx:487::ContentCache::purge: erasing uprcl:0$uprcl$folders$d4
:5:src/mediaserver/cdplugins/plgwithslave.cxx:487::ContentCache::purge: erasing uprcl:0$uprcl$items
:5:src/mediaserver/cdplugins/plgwithslave.cxx:487::ContentCache::purge: erasing uprcl:0$uprcl$=Artist
:5:src/mediaserver/cdplugins/plgwithslave.cxx:487::ContentCache::purge: erasing uprcl:0$uprcl$albums$2
:5:src/mediaserver/cdplugins/plgwithslave.cxx:487::ContentCache::purge: erasing uprcl:0$uprcl$=Date
:5:src/mediaserver/cdplugins/plgwithslave.cxx:487::ContentCache::purge: erasing uprcl:0$uprcl$=Comment
:5:src/mediaserver/cdplugins/plgwithslave.cxx:487::ContentCache::purge: erasing uprcl:0$uprcl$=Genre
:5:src/mediaserver/cdplugins/plgwithslave.cxx:487::ContentCache::purge: erasing uprcl:0$uprcl$folders
:5:src/mediaserver/cdplugins/plgwithslave.cxx:487::ContentCache::purge: erasing uprcl:0$uprcl$=Conductor
:5:src/mediaserver/cdplugins/plgwithslave.cxx:487::ContentCache::purge: erasing uprcl:0$uprcl$folders$d3
:5:src/mediaserver/cdplugins/plgwithslave.cxx:487::ContentCache::purge: erasing uprcl:0$uprcl$untagged
:5:src/mediaserver/cdplugins/plgwithslave.cxx:487::ContentCache::purge: erasing uprcl:0$uprcl$albums
:5:src/mediaserver/cdplugins/plgwithslave.cxx:487::ContentCache::purge: erasing uprcl:0$uprcl$
:5:src/mediaserver/cdplugins/plgwithslave.cxx:505::ContentCache::get: not found uprcl:0$uprcl$=Artist

:4:src/mediaserver/cdplugins/cmdtalk-fixed.cpp:140::CmdTalk: Got empty line

:5:src/mediaserver/cdplugins/plgwithslave.cxx:351::PlgWithSlave::results: got 0 entries 
:5:src/mediaserver/cdplugins/plgwithslave.cxx:511::ContentCache::set: uprcl:0$uprcl$=Artist
:5:src/mediaserver/cdplugins/plgwithslave.cxx:441::searchCacheEntryToResult: filter  start 0 cnt 30 res.size 0

This is weird, I can't reproduce it of course, it would be too easy :)

The recoll fields seem normal, so we can probably eliminate a recoll or mutagen issue.

The Album tree is special, it's not built like Artist/Genre etc. I guess that you don't see anything in Comment, Conductor, Date, Group and Orchestra either ?

When upmpdcli starts up, the directory is built from the recoll index data. You should see messages like the following while this happens (or they are in the log):

uprcl: Indexing took 1.50 Seconds
uprcl: Estimated alldocs query results: 14324
uprcl: Retrieved 24931 docs in 3.42 Seconds
uprcl: _rcl2folders took 1.12 Seconds
uprcl: recolltosql: processed 24931 docs in 6.52 Seconds
uprcl: Init done

Do you see any other messages during this phase (esp. between _rcl2folders and recolltosql) ?

Thanks for your help in debugging this by the way. I always want to come back to this module, but there is always something to prevent me from doing so.

The other fields are not populated as well, i've attached the systemd log (fresh.log), looks like it does match what you described. I removed the uprcl cache directory before starting the daemon.

I also attached the upmpdcli.log for the same duration.