[Playlist] XSPF player feature question / request

[Jay Fienberg]

I am working on some "modular" music with the idea that people will  
be able to "assemble" their own albums using XSPF playlists.  
Individuals can have multiple albums (multiple playlists), and will  
be encouraged to share them with others.

Given this scenario, the music files may be available online, or will  
be on an individual's local machine. What's the state of the art with  
XSPF players being able to utilize local copies of files vs only  
using online files / URLs?

I know a bit about musicbrainz MBIDs that I imagine I could somehow  
get for each track and then use as part of the XSPF playlists. What  
XSPF players are using MBIDs at this point?

Also, I imagine that some players might be capable of caching based  
on public URLs, which they translate to a local ones (like Lucas' old  
m3udo [1]). At least for my own music, I can create permalink URLs  
for the files.

MBIDs seem cool, since I believe they are format independent. This  
could allow the same playlist, for example, to work with either MP3  
or FLAC format versions of any track.

But, what's the current state of the art with (local / remote /  
multiple format capable playlists / players)  / where are things  
heading?

[1] http://gonze.com/m3udo/latest

***

I am guessing someone is already working on something like this, but  
my ideal scenario would be like:

1. user loads a XSPF playlist in their XSPF player

2. player shows a list of tracks with an indication of

	a. which tracks the user already has locally

	[and, for the tracks that the user does not have locally:]

	b. which tracks are available online for free (or, that the user has  
already paid for), that the player can download automatically

	c. which tracks can be downloaded once a fee is paid, and the price  
(or price range, given multiple formats and/or multiple sources)

	d. which tracks can not be found online

3. once the user buys any tracks available online for a fee, the  
player is able to download them


I could imagine a player like this working with services like cruXy,  
which could create nice new distribution opportunities for recording  
artists. . .

Any thoughts on what's out there now / things coming soon that might  
fulfill this scenario?

Jay

>
>> as in
>>> Jay Fienberg
>>>> http://jayfienberg.com
>>>
>>
>


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