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;;; emms-info-mp3info.el --- Info-method for EMMS using mp3info
;; Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
;; Authors: Ulrik Jensen <terryp@daimi.au.dk>
;; Jorgen Schäfer <forcer@forcix.cx>
;; Keywords:
;; This file is part of EMMS.
;; EMMS is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; EMMS is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with EMMS; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; This code has been adapted from code found in mp3player.el, written
;; by Jean-Philippe Theberge (jphiltheberge@videotron.ca), Mario
;; Domgoergen (kanaldrache@gmx.de) and Jorgen Schäfer
;; <forcer@forcix.cx>
;; To activate this method for getting info, use something like:
;; (require 'emms-info-mp3info)
;; (add-to-list 'emms-info-functions 'emms-info-mp3info)
;;; Code:
(require 'emms-info)
(defvar emms-info-mp3info-version "0.2 $Revision: 1.10 $"
"EMMS info mp3info version string.")
;; $Id: emms-info-mp3info.el,v 1.10 2005/08/12 18:01:16 xwl Exp $
(defgroup emms-info-mp3info nil
"An EMMS-info method for getting/setting ID3v1 tags, using the
external mp3info program"
:group 'emms-info)
(defcustom emms-info-mp3info-coding-system 'latin-1
"*Coding system used in the output of mp3info."
:type 'coding-system
:group 'emms-info-mp3info)
(defcustom emms-info-mp3info-program-name "mp3info"
"*The name/path of the mp3info tag program."
:type 'string
:group 'emms-info-mp3info)
(defcustom emms-info-mp3find-arguments
`("-p" ,(concat "info-artist=%a\\n"
"info-title=%t\\n"
"info-album=%l\\n"
"info-tracknumber=%n\\n"
"info-year=%y\\n"
"info-genre=%g\\n"
"info-note=%c\\n"
"info-playing-time=%S\\n"))
"The argument to pass to `emms-info-mp3info-program-name'.
This should be a list of info-flag=value lines."
:type '(repeat string)
:group 'emms-info-mp3info)
(defun emms-info-mp3info (track)
"Add track information to TRACK.
This is a useful element for `emms-info-functions'."
(when (and (eq 'file (emms-track-type track))
(string-match "\\.[Mm][Pp]3\\'" (emms-track-name track)))
(with-temp-buffer
(when (zerop
(let ((coding-system-for-read emms-info-mp3info-coding-system))
(apply 'call-process
emms-info-mp3info-program-name
nil t nil
(emms-track-name track)
emms-info-mp3find-arguments)))
(goto-char (point-min))
(while (looking-at "^\\([^=\n]+\\)=\\(.*\\)$")
(let ((name (intern (match-string 1)))
(value (match-string 2)))
(when (> (length value)
0)
(emms-track-set track
name
(if (eq name 'info-playing-time)
(string-to-number value)
value))))
(forward-line 1))))))
(provide 'emms-info-mp3info)
;;; emms-info-mp3info.el ends here
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