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;;; emms-info-metaflac.el --- Info-method for EMMS using metaflac -*- lexical-binding: t; -*-
;; Copyright (C) 2006-2021 Free Software Foundation, Inc.
;; Author: Matthew Kennedy <mkennedy@gentoo.org>
;; Keywords:
;; This file 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.
;; This file 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 GNU Emacs; 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 emms-info-mp3info.el
;; written by Ulrik Jensen <terryp@daimi.au.dk> which contains the
;; following attribution:
;; 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-metaflac)
;; (add-hook 'emms-info-methods-list 'emms-info-metaflac)
;;; Code:
(require 'emms-info)
(defvar emms-info-metaflac-version "0.1 $Revision: 1.10 $"
"EMMS info metaflac version string.")
;; $Id: emms-info-mp3info.el,v 1.10 2005/08/12 18:01:16 xwl Exp $
(defgroup emms-info-metaflac nil
"An EMMS-info method for getting/setting FLAC tags, using the
external metaflac program"
:group 'emms-info)
(defcustom emms-info-metaflac-program-name "metaflac"
"The name/path of the metaflac program."
:type 'string)
(defcustom emms-info-metaflac-options
'("--no-utf8-convert"
"--show-tag=TITLE"
"--show-tag=ARTIST"
"--show-tag=ALBUM"
"--show-tag=NOTE"
"--show-tag=YEAR"
"--show-tag=TRACKNUMBER"
"--show-tag=DISCNUMBER"
"--show-tag=GENRE")
"The argument to pass to `emms-info-metaflac-program-name'."
:type '(repeat string))
(defun emms-info-metaflac (track)
"Get the FLAC tag of file TRACK, using `emms-info-metaflac-program'
and return an emms-info structure representing it."
(when (and (emms-track-file-p track)
(string-match "\\.\\(flac\\|FLAC\\)\\'" (emms-track-name track)))
(with-temp-buffer
(when (zerop
(apply 'call-process
emms-info-metaflac-program-name
nil t nil
"--show-total-samples"
"--show-sample-rate"
(append emms-info-metaflac-options
(list (emms-track-name track)))))
(goto-char (point-min))
(emms-track-set track 'info-playing-time
(/ (string-to-number (buffer-substring (point) (line-end-position)))
(progn
(forward-line 1)
(string-to-number (buffer-substring (point) (line-end-position))))))
(forward-line 1)
(while (looking-at "^\\([^=\n]+\\)=\\(.*\\)$")
(let ((name (intern (concat "info-" (downcase (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-metaflac)
;;; emms-info-metaflac.el ends here
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