summaryrefslogtreecommitdiffhomepage
path: root/lib/media/jao-mpc.el
blob: 4602a9d9cd6faa042307da7371fa55014c6525eb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
;;; jao-mpc.el --- Using mpc client    -*- lexical-binding: t; -*-

;; Copyright (C) 2021  jao

;; Author: jao <mail@jao.io>
;; Keywords: convenience
;; Version: 0.1
;; Package-requires: ((emacs "27.1"))
;; URL: https://codeberg.org/jao/lib/media

;; This program 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 program 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 <https://www.gnu.org/licenses/>.

;;; Commentary:

;; Simple mpd interaction using elmpd and mpc.

;;; Code:

(require 'jao-lyrics)
(require 'jao-random-album)

(defconst jao-mpc--albums "*MPC Albums*")
(defconst jao-mpc--playlist "*MPC Playlist*")

(defvar jao-mpc-port 6600)
(defvar-local jao-mpc--local-port nil)

(defun jao-mpc--cmd (cmd)
  (shell-command-to-string (format "mpc -p %s %s"
                                   (or jao-mpc--local-port jao-mpc-port)
                                   cmd)))

(defconst jao-mpc--fields
  '(artist album composer originaldate genre title track position time name))

(defconst jao-mpc--stfmt
  (mapconcat (lambda (f) (format "%s:::%%%s%%" f f)) jao-mpc--fields "\n"))

(defun jao-mpc--current ()
  (let ((s (jao-mpc--cmd (format "-f '%s' current" jao-mpc--stfmt)))
        (res))
    (dolist (s (split-string s "\n" t " ") res)
      (when (string-match "\\(.+\\):::\\(.+\\)" s)
        (push (cons (intern (match-string 1 s)) (match-string 2 s)) res)))))

(defun jao-mpc--current-str (&optional current len)
  (let* ((current (or current (jao-mpc--current)))
         (len (or len (jao-mpc--queue-len)))
         (title (alist-get 'title current (alist-get 'name current "")))
         (album (alist-get 'album current))
         (artist (alist-get 'artist current))
         (composer (alist-get 'composer current))
         (no (string-to-number (alist-get 'track current "0")))
         (time (alist-get 'time current "")))
    (format " %s%s %s%s%s%s"
            (jao--put-face (if (zerop no) "" (format "%02d/%s " no len))
                           'jao-themes-f02)
            (jao--put-face title 'jao-themes-f00)
            (jao--put-face artist 'jao-themes-f01)
            (jao--put-face (if composer (format " [%s]" composer) "")
                           'jao-themes-f01)
            (jao--put-face (if album (format " (%s)" album) "") 'jao-themes-f11)
            (if (string-blank-p time)
                ""
              (jao--put-face (format " [%s]" time) 'jao-themes-dimm)))))

(defvar jao-mpc-minibuffer-str "")

(defun jao-mpc--playing-p ()
  (not (string-blank-p (jao-mpc--cmd "status|grep '\\[playing\\]'"))))

(defun jao-mpc--queue-len ()
  (string-to-number (jao-mpc--cmd "playlist|wc -l")))

(defun jao-mpc--set-current-str (&optional _proc _str)
  (setq jao-mpc-minibuffer-str
        (if (jao-mpc--playing-p)
            (jao-mpc--current-str)
          (when (and jao-random-album-p (not (jao-mpc--current)))
            (jao-random-album-next))
          "")))

(defvar jao-mpc--idle-proc nil)

(defun jao-mpc--idle-loop ()
  (when jao-mpc--idle-proc (kill-process jao-mpc--idle-proc))
  (setq jao-mpc--idle-proc
        (make-process :name "jao-mpc-idleloop"
                      :buffer "*jao-mpc-idleloop*"
                      :command '("mpc" "idleloop" "player")
                      :filter #'jao-mpc--set-current-str)))

(define-derived-mode jao-mpc-albums-mode fundamental-mode "MPC Albums"
  "Mode to display the list of albums known by mpd."
  (read-only-mode -1)
  (delete-region (point-min) (point-max))
  (insert (shell-command-to-string "mpc list album"))
  (goto-char (point-min))
  (read-only-mode 1))

(define-key jao-mpc-albums-mode-map (kbd "n") #'next-line)
(define-key jao-mpc-albums-mode-map (kbd "p") #'previous-line)
(define-key jao-mpc-albums-mode-map (kbd "RET") #'jao-mpc-add-and-play)
(define-key jao-mpc-albums-mode-map (kbd "q") #'bury-buffer)

(defun jao-mpc--album-buffer ()
  (if-let (b (get-buffer jao-mpc--albums))
      b
    (with-current-buffer (get-buffer-create jao-mpc--albums)
      (jao-mpc-albums-mode)
      (current-buffer))))

(defun jao-mpc--add-and-play (&optional album)
  (interactive)
  (let ((album (or album (string-trim (thing-at-point 'line)))))
    (jao-mpc--cmd "clear")
    (jao-mpc--cmd (format "findadd album \"%s\"" album))
    (jao-mpc--cmd "play")))

(define-derived-mode jao-mpc-playlist-mode fundamental-mode "MPC Playlist"
  "Mode to display the list of playlist known by mpd."
  (read-only-mode -1)
  (delete-region (point-min) (point-max))
  (setq-local jao-mpc--local-port jao-mpc-port)
  (insert (jao-mpc--cmd "playlist"))
  (goto-char (point-min))
  (display-line-numbers-mode)
  (read-only-mode 1))

(defun jao-mpc--playlist-goto-current ()
  (interactive)
  (let ((c (string-trim (or (jao-mpc--cmd "current") ""))))
    (unless (string-blank-p c)
      (goto-char (point-min))
      (when (re-search-forward (regexp-quote c) nil t)
        (beginning-of-line)))))

(defun jao-mpc--playlist-play ()
  (interactive)
  (jao-mpc--cmd (format "play %s" (line-number-at-pos))))

(define-key jao-mpc-playlist-mode-map (kbd "n") #'next-line)
(define-key jao-mpc-playlist-mode-map (kbd "p") #'previous-line)
(define-key jao-mpc-playlist-mode-map (kbd "q") #'bury-buffer)
(define-key jao-mpc-playlist-mode-map (kbd ".") #'jao-mpc--playlist-goto-current)
(define-key jao-mpc-playlist-mode-map (kbd "RET") #'jao-mpc--playlist-play)
(define-key jao-mpc-playlist-mode-map (kbd "C") #'jao-mpc-clear)

(defun jao-mpc--playlist-buffer ()
  (with-current-buffer (get-buffer-create jao-mpc--playlist)
    (jao-mpc-playlist-mode)
    (current-buffer)))

;;;###autoload
(defun jao-mpc-stop ()
  (interactive)
  (jao-mpc--cmd "stop"))

;;;###autoload
(defun jao-mpc-toggle ()
  (interactive)
  (jao-mpc--cmd "toggle"))

;;;###autoload
(defun jao-mpc-play ()
  (interactive)
  (jao-mpc--cmd "play"))

;;;###autoload
(defun jao-mpc-next ()
  (interactive)
  (jao-mpc--cmd "next"))

;;;###autoload
(defun jao-mpc-previous ()
  (interactive)
  (jao-mpc--cmd "previous"))

;;;###autoload
(defun jao-mpc-seek (delta)
  (interactive "nDelta: ")
  (jao-mpc--cmd (format "seek %s%s" (if (> delta 0) "+" "") delta)))

;;;###autoload
(defun jao-mpc-clear ()
  (interactive)
  (jao-mpc--cmd "clear"))

;;;###autoload
(defun jao-mpc-echo-current ()
  (interactive)
  (jao-notify (jao-mpc--current-str)))

;;;###autoload
(defun jao-mpc-add-url (url)
  (interactive "sURL: ")
  (jao-mpc--cmd (format "add %s" url)))

;;;###autoload
(defun jao-mpc-show-albums ()
  "Show album list."
  (interactive)
  (pop-to-buffer (jao-mpc--album-buffer)))

;;;###autoload
(defun jao-mpc-show-playlist ()
  "Show current playlist."
  (interactive)
  (pop-to-buffer (jao-mpc--playlist-buffer))
  (jao-mpc--playlist-goto-current))

;;;###autoload
(defun jao-mpc-lyrics-track-data ()
  (let ((c (string-trim (jao-mpc--cmd "current"))))
    (unless (string-blank-p c)
      (when (string-match "\\(.\\) - \\(.+\\)" c)
        (cons (match-string 2 c) (match-string 1 c))))))

;;;###autoload
(defun jao-mpc-setup ()
  (setq jao-lyrics-info-function #'jao-mpc-lyrics-track-data)
  (jao-random-album-setup #'jao-mpc--album-buffer
                          #'jao-mpc--add-and-play
                          #'jao-mpc-stop)
  (jao-mpc--idle-loop)
  (jao-minibuffer-add-msg-variable 'jao-mpc-minibuffer-str 1))

(provide 'jao-mpc)
;;; jao-mpc.el ends here