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;; jao-emms-info-track.el -- utilities to show tracks -*- lexical-binding:t; -*-
;; Copyright (C) 2009, 2010, 2013, 2017, 2020, 2021 Jose Antonio Ortega Ruiz
;; Author: Jose Antonio Ortega Ruiz <jao@gnu.org>
;; Start date: Sat Jul 04, 2009 13:47
;; 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 3 of the License, 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 this program. If not, see <http://www.gnu.org/licenses/>.
;;; Code:
(require 'emms)
(require 'emms-tag-editor)
(require 'emms-player-mpd)
(require 'jao-emms)
(require 'jao-minibuffer)
(defgroup jao-emms-faces nil "Faces"
:group 'faces
:group 'jao-emms)
(defface jao-emms-font-lock-album '((t (:foreground "lightgoldenrod2")))
"Album name in EMMS track message."
:group 'jao-emms-faces)
(defface jao-emms-font-lock-track '((t (:bold t)))
"Track number in EMMS track message."
:group 'jao-emms-faces)
(defface jao-emms-font-lock-title '((t (:foreground "dodgerblue2")))
"Track title in EMMS track message."
:group 'jao-emms-faces)
(defface jao-emms-font-lock-artist '((t (:foreground "dodgerblue3")))
"Artist name in EMMS track message."
:group 'jao-emms-faces)
(defcustom jao-emms-show-osd-p nil
"Whether to show osd notices on track change"
:group 'jao-emms)
(defun jao-emms-info-track-stream (track)
"Return track info for streams"
(let* ((name (emms-track-name track))
(title (or (emms-track-get track 'title nil)
(car (emms-track-get track 'metadata nil))
(car (split-string (shell-command-to-string "mpc status")
"\n"))))
(title (if (string-match "https?://\\([^/]+\\)/.+" (or title ""))
(match-string 1 title)
title)))
(format " %s (%s)" (or title "") (if title (emms-track-type track) name))))
(defsubst jao--put-face (str face)
(put-text-property 0 (length str) 'face face str)
str)
(defun jao-emms--to-number (x)
(or (and (numberp x) x)
(and (stringp x)
(string-match "\\`\\(:?[0-9]+\\)" x)
(string-to-number (match-string 1 x)))))
(defun jao-emms--fmt-time (x suffix)
(if x (format "%02d:%02d%s" (/ x 60) (mod x 60) (or suffix "")) ""))
(defun jao-emms--fmt-song-times (track lapsed pre post)
(if lapsed
(let ((time (when track (emms-track-get track 'info-playing-time))))
(format "%s%s%s%s"
(or pre "")
(jao-emms--fmt-time lapsed (when time "/"))
(jao-emms--fmt-time time "")
(or post "")))
""))
(defun jao-emms-info-track-file (track &optional lapsed plen titlesep)
"Return a description of the current track."
(let* ((no (jao-emms--to-number (emms-track-get track 'info-tracknumber "0")))
(time (emms-track-get track 'info-playing-time))
(year (emms-track-get track 'info-year))
(year (if year (format " (%s)" year) ""))
(artist (emms-track-get track 'info-artist ""))
(composer (emms-track-get track 'info-composer nil))
(title (emms-track-get track 'info-title ""))
(album (emms-track-get track 'info-album))
(last-played (or (emms-track-get track 'last-played) '(0 0 0)))
(play-count (or (emms-track-get track 'play-count) 0))
(playlength (if plen (format "/%02d" (string-to-number plen)) "")))
(if (or (not title) (not album))
(emms-track-simple-description track)
(format " %s%s%s%s%s%s%s"
(jao--put-face (if (zerop no) "" (format "%02d%s " no playlength))
'jao-emms-font-lock-track)
(jao--put-face title
'jao-emms-font-lock-title)
(or titlesep " ")
(jao-emms--fmt-song-times track lapsed "[" "] ")
(jao--put-face artist 'jao-emms-font-lock-artist)
(jao--put-face (if composer (format " [%s]" composer) "")
'jao-emms-font-lock-artist)
(jao--put-face (if album
(format " (%s%s)" album year)
(format "%s *") year)
'jao-emms-font-lock-album)))))
;;;###autoload
(defun jao-emms-info-track-description (track &optional lapsed plen tsep)
(if (memq (emms-track-type track) '(streamlist url))
(jao-emms-info-track-stream track)
(jao-emms-info-track-file track lapsed plen tsep)))
;;;###autoload
(defun jao-emms-toggle-osd ()
(interactive)
(setq jao-emms-show-osd-p (not jao-emms-show-osd-p))
(message "Emms OSD %s" (if jao-emms-show-osd-p "enabled" "disabled")))
(defvar jao-emms-show-icon nil)
(defun jao-emms--with-mpd-track (callback)
(emms-player-mpd-get-status
nil
(lambda (_ st)
(let* ((lapsed (jao-emms--to-number (cdr (assoc "time" st))))
(plen (cdr (assoc "playlistlength" st)))
(song (jao-emms--to-number (cdr (assoc "song" st))))
(track (emms-playlist-current-selected-track)))
(when (and track song)
(emms-track-set track 'info-tracknumber (format "%d" (1+ song))))
(funcall callback track lapsed plen)))))
;;;###autoload
(defun jao-emms-show-osd ()
(interactive)
(jao-emms--with-mpd-track
(lambda (track lapsed play-len)
(let* ((sep "~~~~~")
(s (jao-emms-info-track-description track lapsed play-len sep))
(s (substring-no-properties s 2))
(cs (split-string s sep)))
(jao-notify (car cs) (cadr cs) jao-emms-show-icon)))))
(defun jao-emms-show-osd-hook ()
(interactive)
(when jao-emms-show-osd-p (jao-emms-show-osd)))
(defun jao-emms-install-id3v2 ()
(add-to-list 'emms-tag-editor-tagfile-functions
'("mp3" "id3v2" ((info-artist . "-a")
(info-title . "-t")
(info-album . "-A")
(info-tracknumber . "-T")
(info-year . "-y")
(info-genre . "-g")
(info-composer . "--TCOM")
(info-note . "-c")))))
(defvar jao-emms-echo-string "")
(defun jao-emms--echo-string (v)
(setq jao-emms-echo-string v)
(jao-minibuffer-refresh))
(defun jao-emms-update-echo-string (&optional existing-track)
(if emms-player-playing-p
(jao-emms--with-mpd-track
(lambda (track lapsed play-len)
(jao-emms--echo-string
(cond ((and emms-player-paused-p existing-track)
(format "(%s/%s)"
(emms-track-get existing-track 'info-tracknumber)
play-len))
(emms-player-paused-p "")
(t (jao-emms-info-track-description track nil play-len))))))
(jao-emms--echo-string "")))
(defun jao-emms-enable-minibuffer (minibuffer-order)
(jao-minibuffer-add-msg-variable 'jao-emms-echo-string minibuffer-order)
(dolist (h '(emms-track-updated-functions
emms-player-finished-hook
emms-player-stopped-hook
emms-player-started-hook
emms-player-paused-hook))
(add-hook h #'jao-emms-update-echo-string)))
;;;###autoload
(defun jao-emms-info-setup (&optional minibuffer show-osd show-echo-line id3)
(setq emms-track-description-function 'jao-emms-info-track-description)
(setq jao-emms-show-osd-p show-osd)
(add-hook 'emms-player-started-hook 'jao-emms-show-osd-hook)
(when minibuffer (jao-emms-enable-minibuffer minibuffer))
(unless show-echo-line
(eval-after-load 'emms-player-mpd
'(remove-hook 'emms-player-started-hook 'emms-player-mpd-show)))
(when id3 (jao-emms-install-id3v2))
(ignore-errors (emms-player-mpd-connect)))
(provide 'jao-emms-info-track)
;;; jao-emms-info-track.el ends here
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