Re: [Banshee-List] Automatic Rating

[Brian Lucas <bcl1713 gmail com>]

percentage would be the difficult one to get a hold of.  score can be 
added to the database as a custom tag pretty easily i would think.

Brandon Perry wrote:
> I like the idea of this. I would like to see what percentage ( 
> prevscore + percentage ) is, but I believe the playcount is kept in 
> the sqlite database.
>
> On Fri, Oct 3, 2008 at 2:02 PM, Brian Lucas <bcl1713 gmail com 
> <mailto:bcl1713 gmail com>> wrote:
>
>     I would like to do some work or help with work on an extension
>     regarding this bug:
>     http://bugzilla.gnome.org/show_bug.cgi?id=419844.  I really like
>     the algorithm that Amarok uses for this purpose but I'm not sure
>     if it will be implementable in banshee as I'm not sure if the
>     required information is retained or available upon track change.
>      Here is the algorithm from Amarok in ruby:
>
>      if( playcount <= 0 ) # not supposed to be less, but what the hell.
>          newscore = ( prevscore + percentage ) / 2
>      else
>          newscore = ( ( prevscore * playcount ) + percentage ) / (
>     playcount + 1 )
>      end
>
>
>     This is not perfect but it does a nice job.  There are other
>     algorithms out there to be played with though that also take into
>     account the users manual star rating.
>
>     What I would really like to know is if the devs think that this
>     will be possible with an extension.  Are the proper variables
>     available to an extension upon a change of track?  Any information
>     would be greatly appreciated.
>      Brian
>
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