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;;; emms-player-mpv.el --- mpv support for EMMS
;; Copyright (C) 2013-2018 ZHANG Weiyi
;; Copyright (C) 2014 Alex Kost
;; Copyright (C) 2018 stardiviner <numbchild@gmail.com>
;; Copyright (C) 2018 Free Software Foundation, Inc.
;; Authors: ZHANG Weiyi <dochang@gmail.com>,
;; Alex Kost <alezost@gmail.com>,
;; stardiviner <numbchild@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:
;; This provides a player that uses mpv. It supports pause and
;; seeking. See mpv manual for more.
;;
;; To load subtitles automatically,
;; put "`sub-auto=fuzzy"` in the mpv's config file.
;;
;; To disable/enable the cover display when playing music, modify
;; `emms-player-mpv-parameters'. For example: (add-to-list
;; 'emms-player-mpv-parameters "--no-audio-display") Alternatively
;; you can also add "audio-display=no" to mpv's config file.
;;
;; This file is based on `emms-player-mplayer.el'. It was originally hosted at
;; https://github.com/dochang/emms-player-mpv.
;;; Code:
(require 'emms-compat)
(require 'emms-player-simple)
(defcustom emms-player-mpv-input-file
(expand-file-name (locate-user-emacs-file "emms-mpv-input-file"))
"The file to send command to mpv."
:type 'file
:group 'emms)
(define-emms-simple-player mpv '(file url streamlist playlist)
(concat "\\`\\(https?\\|mms\\)://\\|"
(apply #'emms-player-simple-regexp
emms-player-base-format-list))
"mpv" "--no-audio-display" "--quiet" "--really-quiet")
(defadvice emms-player-mpv-start (around append-arguments activate)
(unless (file-exists-p emms-player-mpv-input-file)
(call-process "mkfifo" nil nil nil emms-player-mpv-input-file))
(let* ((input-file (format "--input-file=%s" emms-player-mpv-input-file))
(track-arg (let* ((track (ad-get-arg 0))
(track-type (emms-track-get track 'type))
(track-name (emms-track-name track)))
(if (memq track-type '(streamlist playlist))
(format "--playlist=%s" track-name)
track-name)))
(process (apply 'start-process
emms-player-simple-process-name
nil
emms-player-mpv-command-name
(append emms-player-mpv-parameters
(list input-file track-arg)))))
(set-process-sentinel process 'emms-player-simple-sentinel))
(emms-player-started emms-player-mpv))
(emms-player-set emms-player-mpv
'pause
'emms-player-mpv-pause)
(emms-player-set emms-player-mpv
'resume
'emms-player-mpv-resume)
(emms-player-set emms-player-mpv
'seek
'emms-player-mpv-seek)
(emms-player-set emms-player-mpv
'seek-to
'emms-player-mpv-seek-to)
(defun emms-player-mpv--format-command (fmt &rest args)
"Generate shell command to control mpv."
(let ((mpv-cmd (apply 'format fmt args)))
(format "echo %s > %s"
(shell-quote-argument mpv-cmd)
(shell-quote-argument emms-player-mpv-input-file))))
(defun emms-player-mpv-pause ()
"Depends on mpv's --input-file option."
(let ((cmd (emms-player-mpv--format-command "set pause yes")))
(call-process-shell-command cmd nil nil nil)))
(defun emms-player-mpv-resume ()
"Depends on mpv's --input-file option."
(let ((cmd (emms-player-mpv--format-command "set pause no")))
(call-process-shell-command cmd nil nil nil)))
(defun emms-player-mpv-seek (sec)
"Depends on mpv's --input-file option."
(let ((cmd (emms-player-mpv--format-command "seek %d" sec)))
(call-process-shell-command cmd nil nil nil)))
(defun emms-player-mpv-seek-to (sec)
"Depends on mpv's --input-file option."
(let ((cmd (emms-player-mpv--format-command "seek %d absolute" sec)))
(call-process-shell-command cmd nil nil nil)))
(provide 'emms-player-mpv)
;;; emms-player-mpv.el ends here
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