On 06/13/2012 11:04 AM, Ignacio Serantes wrote:
Hi,
On Wed, Jun 13, 2012 at 10:52 AM, Sebastian Trüg <[email protected]
<mailto:[email protected]>> 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 <[email protected]
<mailto:[email protected]>
<mailto:[email protected] <mailto:[email protected]>>> 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
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--
Best wishes,
Ignacio
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