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WPS: Total Time / Elapsed Time / Remaining Time for Whole Playlist?

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cE10:
Hi all,

In my WPS, I have the Total Time / Elapsed Time / Remaining Time information for the current song. Can this information be retrieved for the complete Playlist (like Total: 45:30 / Elapsed: 10:00 / Remaining: 35:30)?

Thanks for your consideration,

Christian

JdGordon:
Not currently. It is sort of a nodo because it would (probably) mean reading every file in the playlist which means lots of disk access.
However, if the database is used and set to load to ram it would be relatively cheap to do and could be implemented. As usual it needs someone to do the work though.

cE10:
Hmm, okay.

Excuse my ignorance, but is it really necessary to read in a file's complete contents to calculate its playing time?

Cheers,

Christian

JdGordon:
the problem isnt so much reading the whole file, but more that each file has to be opened, then the ID# tags need to be found and read (depending on the container this might be easy or hard). There is a patch that does this on the tracker but it wont be accepted because it is mostly pointless and very few people actually want this feature.

Chronon:
There is a patch at FS#7652 for EXTM3U support that would add support for comments like
--- Quote ---#EXTINF:xxx,yyy
where xxx is track length in seconds, yyy is the title.
--- End quote ---

I don't know enough about the logistics of allocating memory for this, but in principle this gives a way to get the runtimes of all files in a playlist without opening each file.  You still need to be able to read all comments in the playlist and sum the runtimes for playlists of arbitrary length (a playlist could contain each file on the player several times, for example).

Also, this would only apply to pre-generated playlists that contain proper comment lines.

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