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+;;; emms-info-mp3info.el --- Info-method for EMMS using mp3info  -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2003-2021  Free Software Foundation, Inc.
+
+;; Authors: Ulrik Jensen <[email protected]>
+;;          Jorgen Schäfer <[email protected]>
+;; 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 3, 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 ([email protected]), Mario
+;; Domgoergen ([email protected]) and Jorgen Schäfer
+;; <[email protected]>
+
+;; 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 'utf-8
+  "Coding system used in the output of mp3info."
+  :type 'coding-system)
+
+(defcustom emms-info-mp3info-program-name "mp3info"
+  "The name/path of the mp3info tag program."
+  :type 'string)
+
+(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))
+
+(defun emms-info-mp3info (track)
+  "Add track information to TRACK.
+This is a useful element for `emms-info-functions'."
+  (when (and (emms-track-file-p track)
+             (string-match "\\.[Mm][Pp]3\\'" (emms-track-name track)))
+    (with-temp-buffer
+      (when (zerop
+             (apply (if (fboundp 'emms-i18n-call-process-simple)
+                        'emms-i18n-call-process-simple
+                      'call-process)
+                    emms-info-mp3info-program-name
+                    nil t nil
+                    (append emms-info-mp3find-arguments
+                            (list (emms-track-name track)))))
+        (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