;;; emms-player-mplayer.el --- mplayer support for EMMS

;; Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc.

;; Authors: William Xu <william.xwl@gmail.com>
;;          Jorgen Schaefer <forcer@forcix.cx>

;; 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:

;; This provides a player that uses mplayer. It supports pause and
;; seeking.

;;; Code:

(require 'emms-compat)
(require 'emms-player-simple)

(defcustom emms-player-mplayer-subtitle-extensions
  '("sub" "srt" "gb.srt" "big5.srt" "eng.srt" "chs.srt" "cht.srt")
  "Possible movie subtitle file extensions."
  :type 'symbol
  :group 'emms)

(define-emms-simple-player mplayer '(file url)
  (regexp-opt '(".ogg" ".mp3" ".wav" ".mpg" ".mpeg" ".wmv" ".wma"
                ".mov" ".avi" ".divx" ".ogm" ".asf" ".mkv" "http://" "mms://"
                ".rm" ".rmvb" ".mp4" ".flac" ".vob" ".m4a" ".ape"))
  "mplayer" "-slave" "-quiet" "-really-quiet")

(define-emms-simple-player mplayer-playlist '(streamlist)
  "http://"
  "mplayer" "-slave" "-quiet" "-really-quiet" "-playlist")

(emms-player-set emms-player-mplayer
		 'pause
		 'emms-player-mplayer-pause)

;;; Pause is also resume for mplayer
(emms-player-set emms-player-mplayer
                 'resume
                 nil)

(emms-player-set emms-player-mplayer
		 'seek
		 'emms-player-mplayer-seek)

(emms-player-set emms-player-mplayer
		 'seek-to
		 'emms-player-mplayer-seek-to)

(defun emms-player-mplayer-pause ()
  "Depends on mplayer's -slave mode."
  (process-send-string
   emms-player-simple-process-name "pause\n"))

(defun emms-player-mplayer-seek (sec)
  "Depends on mplayer's -slave mode."
  (process-send-string
   emms-player-simple-process-name
   (format "seek %d\n" sec)))

(defun emms-player-mplayer-seek-to (sec)
  "Depends on mplayer's -slave mode."
  (process-send-string
   emms-player-simple-process-name
   (format "seek %d 2\n" sec)))

(defun emms-player-mplayer-subtitle-checker ()
  (let* ((track (emms-playlist-current-selected-track))
         (name (emms-track-name track))
         (ext (file-name-extension name))
         (choices
          (emms-remove-if-not (lambda (i)
                                (or (and (eq (emms-track-type track) 'file)
					 (file-exists-p i))
                                    (eq (emms-track-type track) 'url)))
                              (mapcar (lambda (el)
                                        (emms-replace-regexp-in-string
                                         (concat ext "$") el name))
                                      emms-player-mplayer-subtitle-extensions)))
         (subtitle (mapconcat (lambda (el) el) choices ",")))
    (unless (string= subtitle "")
      (setq emms-player-mplayer-parameters
            (append emms-player-mplayer-parameters
                    (list "-sub" subtitle))))))

(defun emms-player-mplayer-start-with-subtitle-checker (track)
  "Start the player process by checking possible subtitles
additionally."
  (let ((emms-player-mplayer-parameters emms-player-mplayer-parameters))
    (emms-player-mplayer-subtitle-checker)
    (emms-player-simple-start (emms-track-name track)
                              emms-player-mplayer
                              emms-player-mplayer-command-name
                              emms-player-mplayer-parameters)))

;; I have to redefine `emms-player-mplayer-start', since i can't figure
;; out an easy way to achieve this based on current design. (xwl)
(defalias 'emms-player-mplayer-start
  'emms-player-mplayer-start-with-subtitle-checker)

(provide 'emms-player-mplayer)
;;; emms-player-mplayer.el ends here