Natural track order is the order in which you were meant to hear the
tracks on a CD. This means sort by album name *and then* by track
number.
I didn't find a way to do this built into Emms (from darcs). At first
I thought emms-playlist-sort-by-name was the solution, however that
seems to go off the filename which doesn't always represent the
natural order.
Here's what I implemented to achieve a natural order sort. It might
be nice to include something like it in Emms though...
(defun emms-string> (a b)
(not (or (string< a b)
(string= a b))))
(defun emms-sort-natural-order-less-p (a b)
"Sort two tracks by natural order.
This is the order in which albums where intended to be played.
ie. by album name and then by track number."
(or (emms-string> (emms-track-get a 'info-album)
(emms-track-get b 'info-album))
(and (string= (emms-track-get a 'info-album)
(emms-track-get b 'info-album))
(< (string-to-number (emms-track-get a 'info-tracknumber))
(string-to-number (emms-track-get b 'info-tracknumber))))))
(defun emms-playlist-sort-by-natural-order ()
"Sort emms playlist by natural order.
See `emms-sort-natural-order-less-p'."
(interactive)
(emms-playlist-sort 'emms-sort-natural-order-less-p))
(define-key emms-playlist-sort-map (kbd "N")
'emms-playlist-sort-by-natural-order)
Best regards,
--
Matthew Kennedy
Gentoo Linux Developer (Public Key 0x401903E0)
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