[Nepomuk] Music issues I want to fix
Sebastian Trüg
sebastian at trueg.de
Wed Jun 13 09:27:20 UTC 2012
On 06/13/2012 11:04 AM, Ignacio Serantes wrote:
> Hi,
>
> On Wed, Jun 13, 2012 at 10:52 AM, Sebastian Trüg <sebastian at trueg.de
> <mailto:sebastian at trueg.de>> wrote:
>
> On 06/10/2012 08:32 PM, Ignacio Serantes wrote:
>
> I brief update status.
>
> 1) I just fix multiple performers bug in flac analyzer.
>
> 2) nmm:albumArtist seems to be related to DB structure and is not a
> coding bug. I just added nmm:albumArtist to SDO and now there is a
> nmm:albumArtist in nmm:MusicAlbum. This is the code I added:
> nmm:albumArtist
> a rdf:Property, nrl:DefiningProperty ;
> rdfs:subPropertyOf nco:contributor ;
> rdfs:label "album artist" ;
> rdfs:comment "Album artist" ;
> rdfs:domain nmm:MusicAlbum ;
> rdfs:range nco:Contact .
>
>
> This looks good. I am only concerned about having performer and
> producer on the tracks and artist on the album. Shouldn't that be in
> sync somehow? After all an album is also produced, right? A
> compilation has a producer and each track has a possibly different
> producer...
>
>
> This is right but as there is no tag for album producer this information
> can not be obtained from the music file so this is outside my actual
> goals. Album producers can be obtained using a query, as I'm doing in
> Nepoogle for album performers.
What I mean is we need nmm:albumProducer and nmm:albumPerformer. What do
you think?
>
>
>
> I will upload a patch to Review Board for the first one but,
> what must I
> do with the second one?
>
>
> The normal approach is to create a ticket at
> https://sourceforge.net/apps/__trac/oscaf/
> <https://sourceforge.net/apps/trac/oscaf/>
>
>
> Ok, thank you. I will add a ticket.
>
>
>
> On Thu, Jun 7, 2012 at 7:59 PM, Ignacio Serantes <kde at aynoa.net
> <mailto:kde at aynoa.net>
> <mailto:kde at aynoa.net <mailto:kde at aynoa.net>>> wrote:
>
> Hi,
>
> I detect next issues with music albums scanning flac and mp3
> formats:
>
> 1) Performers:
>
> * mp3: supports it but it wrongly adding nmm:albumArtist
> too and
>
> this must be related to nmm:MusicAlbum.
> * flac: only adds one performer, the last added to the file?.
>
> nmm:musicArtist it's not imported and an error is launched:
> "Cannot set values for abstract property
> 'http://www.semanticdesktop.__org/ontologies/2009/02/19/nmm#__albumArtist
> <http://www.semanticdesktop.org/ontologies/2009/02/19/nmm#albumArtist>'
> <http://www.semanticdesktop.__org/ontologies/2009/02/19/nmm#__albumArtist
> <http://www.semanticdesktop.org/ontologies/2009/02/19/nmm#albumArtist>'>.".
>
> Solution:
>
> * 0 to n nmm:albumArtist resources must be added to
> nmm:MusicAlbum.
> * 0 to n nmm:performer resources must be added to
> nmm:MusicPiece.
>
>
> 2) Albums:
>
> * there is no url in nmm:MusicAlbum so two different
> albums with
>
> same name are considered one unique resource.
> * determine album url is tricky, you need to obtain the
> url from a
>
> track, a method complicated because previous problem.
>
> Solution:
>
> * add nie:url to albums.
> * two albums with same name but different path are different
>
> albums. This have a side effect with sets if sets are in
> different paths, but I think is better that sets are
> considered
> different albums, than two different albums are the same
> resource. On the other side, this could be handle with some
> smart path detection assuming some kind of organization with
> paths. Other solution could be using nmm:albumArtis to
> determine
> if two albums are different but, then we have the
> problem with
> various artists compilations.
> * added nfo:depiction as a cover, an image that could be
> handled
> by Bangarang or Nepoogle.
> * maybe more nfo:depiction for scans?
>
>
> 3) Genres:
>
> * mp3: is not working.
> * flac: works fine, supporting unlimited genres.
>
> Solution:
>
> * bug with mp3 files must be fixed.
>
>
> 4) Sets:
>
> * there is no total tracks per set.
> * the total tracks is equal to the total tracks number in
> the last
> track scanned.
>
> Solution:
>
> * a solution similar as seasons in tvshows.
> * a total tracks and a total tracks per set must be handled.
>
>
> I'm only using flac and mp3 so the same or other issues
> could be in
> other music formats.
>
> Sets problems is a minor issue, but the other three, must be
> fixed.
>
> As practically all my music is in flac format I will try to fix
> problems 1 and 2 in flac analyzer, I'm crossing my fingers
> because
> is C++, but I wish to hear comments/suggestions before begin
> to code.
>
> --
> Best wishes,
> Ignacio
>
>
>
>
>
> --
> Best wishes,
> Ignacio
>
>
>
>
> _________________________________________________
> Nepomuk mailing list
> Nepomuk at kde.org <mailto:Nepomuk at kde.org>
> https://mail.kde.org/mailman/__listinfo/nepomuk
> <https://mail.kde.org/mailman/listinfo/nepomuk>
>
> _________________________________________________
> Nepomuk mailing list
> Nepomuk at kde.org <mailto:Nepomuk at kde.org>
> https://mail.kde.org/mailman/__listinfo/nepomuk
> <https://mail.kde.org/mailman/listinfo/nepomuk>
>
>
>
>
> --
> Best wishes,
> Ignacio
>
>
>
>
> _______________________________________________
> Nepomuk mailing list
> Nepomuk at kde.org
> https://mail.kde.org/mailman/listinfo/nepomuk
More information about the Nepomuk
mailing list