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-rw-r--r--lisp/emms-info-opusinfo.el85
-rw-r--r--lisp/emms-setup.el3
2 files changed, 88 insertions, 0 deletions
diff --git a/lisp/emms-info-opusinfo.el b/lisp/emms-info-opusinfo.el
new file mode 100644
index 0000000..6762bc1
--- /dev/null
+++ b/lisp/emms-info-opusinfo.el
@@ -0,0 +1,85 @@
+;;; emms-info-opusinfo.el --- Emms information from Ogg Opus files.
+
+;; Copyright (C) 2018 Free Software Foundation, Inc.
+
+;; Author: Pierre Neidhardt <ambrevar@gmail.com>
+
+;; 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 of the License, 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; if not, write to the Free Software Foundation,
+;; Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+
+;;; Commentary:
+;;
+
+;;; Code:
+
+(require 'emms-info)
+
+(defgroup emms-info-opusinfo nil
+ "An EMMS-info method for getting, using the external opusinfo
+program"
+ :group 'emms-info)
+
+(defcustom emms-info-opusinfo-coding-system 'utf-8
+ "*Coding system used in the output of opusinfo."
+ :type 'coding-system
+ :group 'emms-info-opusinfo)
+
+(defcustom emms-info-opusinfo-program-name "opusinfo"
+ "*The name/path of the opusinfo tag program."
+ :type 'string
+ :group 'emms-info-opusinfo)
+
+(defun emms-info-opusinfo (track)
+ "Add track information to TRACK.
+This is a useful element for `emms-info-functions'."
+ (when (and (eq 'file (emms-track-type track))
+ (or (string-match "\\.[Oo][Gg][Gg]\\'" (emms-track-name track))
+ (string-match "\\.[Oo][Pp][Uu][Ss]\\'" (emms-track-name track))))
+
+ (with-temp-buffer
+ (call-process emms-info-opusinfo-program-name
+ nil t nil (emms-track-name track))
+
+ ;; play time
+ (goto-char (point-min))
+ (when (re-search-forward
+ "Playback length: \\([0-9]*\\)m:\\([0-9]*\\)" nil t)
+ (let* ((minutes (string-to-number (match-string 1)))
+ (seconds (string-to-number (match-string 2)))
+ (ptime-total (+ (* minutes 60) seconds))
+ (ptime-min minutes)
+ (ptime-sec seconds))
+ (emms-track-set track 'info-playing-time ptime-total)
+ (emms-track-set track 'info-playing-time-min ptime-min)
+ (emms-track-set track 'info-playing-time-sec ptime-sec)
+ (emms-track-set track 'info-file (emms-track-name track))))
+
+ ;; all the rest of the info available
+ (goto-char (point-min))
+ (when (re-search-forward "^.*\\.\\.\\.$" (point-max) t)
+ (while (zerop (forward-line 1))
+ (when (looking-at "^\t\\(.*?\\)=\\(.*\\)$") ; recognize the first '='
+ (let ((a (match-string 1))
+ (b (match-string 2)))
+ (when (and (< 0 (length a))
+ (< 0 (length b)))
+ (emms-track-set track
+ (intern (downcase (concat "info-" (match-string 1))))
+ (match-string 2))))))))))
+
+(provide 'emms-info-opusinfo)
+
+;;; emms-info-opusinfo.el ends here
diff --git a/lisp/emms-setup.el b/lisp/emms-setup.el
index 3c214fe..47260b5 100644
--- a/lisp/emms-setup.el
+++ b/lisp/emms-setup.el
@@ -81,6 +81,7 @@ the stable features which come with the Emms distribution."
(require 'emms-info)
(require 'emms-info-mp3info)
(require 'emms-info-ogginfo)
+ (require 'emms-info-opusinfo)
(require 'emms-cache)
(require 'emms-mode-line)
(require 'emms-mark)
@@ -113,6 +114,8 @@ the stable features which come with the Emms distribution."
(add-to-list 'emms-info-functions 'emms-info-mp3info))
(when (executable-find emms-info-ogginfo-program-name)
(add-to-list 'emms-info-functions 'emms-info-ogginfo))
+ (when (executable-find emms-info-opusinfo-program-name)
+ (add-to-list 'emms-info-functions 'emms-info-opusinfo))
(setq emms-track-description-function 'emms-info-track-description)
(when (fboundp 'emms-cache) ; work around compiler warning
(emms-cache 1))