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+;;; emms-player-vlc.el --- vlc support for EMMS
+
+;; Copyright (C) 2008, 2009 Free Software Foundation, Inc.
+
+;; Authors: Yoni Rabkin <yrk@gnu.org>
+
+;; 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-compat)
+(require 'emms-player-simple)
+
+;; I use this macro, and later override some of the stuff it defines
+;; in order to accomodate VLC's particular idioms.
+(define-emms-simple-player vlc '(file url)
+  (concat "\\`\\(http[s]?\\|mms\\)://\\|"
+	  (apply #'emms-player-simple-regexp
+		 emms-player-base-format-list))
+  "vlc" "--intf=rc")
+
+(define-emms-simple-player vlc-playlist '(streamlist)
+  "\\`http[s]?://"
+  "vlc" "--intf=rc")
+
+;; (kludge) By default, VLC does not quit after finishing to play a
+;; track, so the player sentinel has no way of telling that the next
+;; track should be played. Therefore I redefine this low-level
+;; function and add a "quit" track which is invisible to Emms.
+(defadvice emms-player-vlc-start (around quit-vlc-after-finish activate)
+  (let ((process (apply 'start-process
+                        emms-player-simple-process-name
+                        nil
+                        emms-player-vlc-command-name
+                        ;; splice in params here
+                        (append emms-player-vlc-parameters
+                                (list (emms-track-name (ad-get-arg 0)))
+                                '("vlc://quit")))))
+    ;; add a sentinel for signaling termination
+    (set-process-sentinel process 'emms-player-simple-sentinel))
+  (emms-player-started emms-player-vlc))
+
+(defun emms-player-vlc-pause ()
+  "Depends on vlc's rc mode."
+  (process-send-string
+   emms-player-simple-process-name "pause\n"))
+
+(defun emms-player-vlc-seek (sec)
+  "Seek relative within a stream."
+  (when (not (= 0 sec))
+    (process-send-string
+     emms-player-simple-process-name
+     (if (< 0 sec) "fastforward\n" "rewind\n"))))
+
+(defun emms-player-vlc-seek-to (sec)
+  "Seek to time SEC within the stream."
+  (process-send-string
+   emms-player-simple-process-name
+   (format "seek %d\n" sec)))
+
+(emms-player-set emms-player-vlc 'pause 'emms-player-vlc-pause)
+(emms-player-set emms-player-vlc 'resume nil) ; pause is also resume
+(emms-player-set emms-player-vlc 'start 'emms-player-vlc-start)
+(emms-player-set emms-player-vlc 'seek 'emms-player-vlc-seek)
+(emms-player-set emms-player-vlc 'seek-to 'emms-player-vlc-seek-to)
+
+(provide 'emms-player-vlc)
+
+;;; emms-player-vlc.el ends here