2 "Interact with Squeezebox media servers"
6 (defcustom squeeze-server-address "localhost"
7 "Address for the Squeezebox server"
9 (defcustom squeeze-server-port 9090
10 "Port number for the Squeezebox server"
12 (defcustom squeeze-server-http-port 9000
13 "Port number for the Squeezebox HTTP server"
15 (defvar squeeze-mode-map
16 (let ((map (make-sparse-keymap)))
17 (define-key map (kbd "TAB") 'completion-at-point)
20 (defun squeeze-unhex-string (string)
22 (let ((case-fold-search t)
24 (while (string-match "%[0-9a-f][0-9a-f]" string start)
25 (let* ((s (match-beginning 0))
26 (ch1 (url-unhex (elt string (+ s 1))))
28 (url-unhex (elt string (+ s 2))))))
29 (insert (substring string start s)
30 (byte-to-string code))
31 (setq start (match-end 0))))
32 (insert (substring string start)))
35 (defun squeeze-unhex-and-decode-utf8-string (string)
36 (decode-coding-string (squeeze-unhex-string string) 'utf-8))
38 (define-derived-mode squeeze-mode comint-mode "Squeeze"
39 "Major mode for interacting with the Squeezebox Server CLI.\\<squeeze-mode-map>"
40 (add-to-list 'completion-at-point-functions 'squeeze-complete-command-at-point)
41 (add-hook 'comint-preoutput-filter-functions 'squeeze-unhex-and-decode-utf8-string nil t)
42 (add-hook 'comint-preoutput-filter-functions 'squeeze-update-state nil t))
44 (defvar squeeze-control-mode-map
45 (let ((map (make-sparse-keymap)))
46 (define-key map (kbd "SPC") 'squeeze-control-toggle-power)
47 (define-key map (kbd "f") 'squeeze-control-play-favorite)
48 (define-key map (kbd "g") 'squeeze-control-refresh)
49 (define-key map (kbd "+") 'squeeze-control-volume-up)
50 (define-key map (kbd "-") 'squeeze-control-volume-down)
51 (define-key map (kbd "t") 'squeeze-control-toggle-syncgroup-display)
52 (define-key map (kbd ">") 'squeeze-control-next-track)
53 (define-key map (kbd "<") 'squeeze-control-previous-track)
54 (define-key map (kbd "s") 'squeeze-control-select-player)
55 (define-key map (kbd "a") 'squeeze-list-albums)
58 (defvar squeeze-control-current-player nil)
60 (defun squeeze-control-select-player (id)
62 (list (or (get-text-property (point) 'squeeze-playerid)
63 (let ((name (completing-read "Select player: " (mapcar 'squeeze-player-name squeeze-players))))
64 (squeeze-player-playerid (squeeze-find-player-from-name name))))))
65 (setq squeeze-control-current-player id))
67 (defun squeeze-control-next-track ()
69 (squeeze-send-string "%s playlist index +1" squeeze-control-current-player))
71 (defun squeeze-control-previous-track ()
73 (squeeze-send-string "%s playlist index -1" squeeze-control-current-player))
75 (define-derived-mode squeeze-control-mode special-mode "SqueezeControl"
76 "Major mode for controlling Squeezebox Servers.\\<squeeze-control-mode-map>")
78 (defvar squeeze-control-inhibit-display nil)
80 (lexical-let ((buffer (get-buffer-create " *squeeze-update-state*")))
81 (defun squeeze-update-state (string)
82 ;; FIXME: we could make this a lot more elegant by using the
83 ;; buffer abstraction more
84 (if (cl-position ?\n string)
86 (with-current-buffer buffer
88 (setq string (buffer-string))
90 (dolist (line (split-string string "\n"))
91 (when (squeeze-update-state-from-line line)
92 (setq done-something t)))
94 (unless squeeze-control-inhibit-display
95 (squeeze-control-display-players))))
96 (with-current-buffer buffer
100 (defconst squeeze-player-line-regexp
101 "^\\(\\(?:[0-9a-f]\\{2\\}%3A\\)\\{5\\}[0-9a-f]\\{2\\}\\) ")
103 (defun squeeze-find-player (id)
104 (dolist (player squeeze-players)
105 (when (string= id (squeeze-player-playerid player))
108 (defun squeeze-find-player-from-name (name)
109 (dolist (player squeeze-players)
110 (when (string= name (squeeze-player-name player))
113 (defun squeeze-update-power (player state)
115 (setf (squeeze-player-power player) state)
116 (let ((current (squeeze-player-power player)))
117 (setf (squeeze-player-power player)
118 (cond ((string= current "0") "1")
119 ((string= current "1") "0"))))))
121 (defun squeeze-update-mixer-volume (player value)
122 (let ((current (squeeze-player-volume player))
123 (number (string-to-number value)))
124 (if (string-match "^[-+]" value)
125 (setf (squeeze-player-volume player)
126 (and current (max 0 (min 100 (+ current number)))))
127 (setf (squeeze-player-volume player) number))))
129 (require 'notifications)
131 (defun squeeze-update-state-from-line (string)
133 ((string-match "^players 0" string)
134 (setq squeeze-players (squeeze-parse-players-line string))
136 ((string-match "^syncgroups" string)
137 (setq squeeze-syncgroups (squeeze-parse-syncgroups-line string))
139 ((string-match "^albums" string)
140 (squeeze-parse-albums-line string)
142 ((string-match squeeze-player-line-regexp string)
143 (let ((substring (substring string (match-end 0)))
144 (id (url-unhex-string (match-string 1 string))))
146 ((string-match "^playlist newsong \\(.*\\) \\([0-9]+\\)$" substring)
147 (let ((value (save-match-data (url-unhex-string (match-string 1 substring))))
148 (index (url-unhex-string (match-string 2 substring))))
149 (notifications-notify :title "Now playing" :body (encode-coding-string (format "%s: %s" index value) 'utf-8)))
151 ((string-match "^power\\(?: \\([01]\\)\\)?" substring)
152 (let ((state (match-string 1 substring))
153 (player (squeeze-find-player id)))
154 (squeeze-update-power player state))
156 ((string-match "^mixer volume \\(\\(?:-\\|%2B\\)?[0-9]*\\)" substring)
157 (let ((value (url-unhex-string (match-string 1 substring)))
158 (player (squeeze-find-player id)))
159 (squeeze-update-mixer-volume player value))
162 (defface squeeze-player-face
164 "Face for displaying players"
166 (defface squeeze-player-on-face
167 '((t :weight bold :inherit squeeze-player-face))
168 "Face for displaying players which are on"
170 (defface squeeze-player-off-face
171 '((t :weight light :inherit squeeze-player-face))
172 "Face for displaying players which are off"
175 (defface squeeze-mixer-face
177 "Face for displaying mixer information"
179 (defface squeeze-mixer-muted-face
180 '((t :weight light :inherit squeeze-mixer-face))
181 "Face for displaying mixer information when muted"
183 (defface squeeze-mixer-quiet-face
184 '((t :foreground "green3" :inherit squeeze-mixer-face))
185 "Face for quiet volume"
187 (defface squeeze-mixer-medium-face
188 '((t :foreground "gold" :inherit squeeze-mixer-face))
189 "Face for medium volume"
191 (defface squeeze-mixer-loud-face
192 '((t :foreground "OrangeRed1" :inherit squeeze-mixer-face))
193 "Face for loud volume"
195 (defface squeeze-mixer-muted-quiet-face
196 '((t :inherit (squeeze-mixer-muted-face squeeze-mixer-quiet-face)))
197 "Face for quiet volume when muted")
198 (defface squeeze-syncgroup-face
200 "Face for syncgroups"
203 (defun squeeze-mixer-compute-bar (vol width)
204 (let* ((exact (* width (/ vol 100.0)))
205 (nfull (floor exact))
206 (frac (- exact nfull))
207 (nblank (floor (- width exact))))
209 (make-string nfull ?█)
210 (if (= width (+ nfull nblank))
212 (string (aref " ▏▎▍▌▋▊▉█" (floor (+ frac 0.0625) 0.125))))
213 (make-string nblank ? ))))
215 (defun squeeze-mixer-make-bar (vol width)
216 (let ((bar (squeeze-mixer-compute-bar vol width))
217 (lo (floor (* 0.65 width)))
218 (hi (floor (* 0.9 width))))
220 (propertize (substring bar 0 lo) 'face 'squeeze-mixer-quiet-face)
221 (propertize (substring bar lo hi) 'face 'squeeze-mixer-medium-face)
222 (propertize (substring bar hi) 'face 'squeeze-mixer-loud-face)
223 (propertize "▏" 'intangible t))))
225 (defvar squeeze-players ())
226 (defvar squeeze-syncgroups ())
228 (defun squeeze-send-string (control &rest arguments)
229 (let* ((process (get-buffer-process "*squeeze*"))
230 (string (apply #'format control arguments))
231 (length (length string)))
232 (unless (and (> length 0) (char-equal (aref string (1- length)) ?\n))
233 (setq string (format "%s\n" string)))
235 (comint-send-string process string)
236 (error "can't find squeeze process"))))
238 (defun squeeze-control-query-syncgroups ()
240 (squeeze-send-string "syncgroups ?"))
242 (defun squeeze-control-query-players ()
244 (squeeze-send-string "players 0"))
246 (defun squeeze-control-toggle-power (&optional id)
249 (setq id (get-text-property (point) 'squeeze-playerid)))
250 (squeeze-send-string "%s power" id))
252 (defun squeeze-control-play-favorite (&optional favorite id)
253 (interactive "nFavourite: ")
255 (setq id (get-text-property (point) 'squeeze-playerid)))
256 (squeeze-send-string "%s favorites playlist play item_id:%d" id favorite))
258 (defun squeeze-control-query-power (&optional id)
261 (setq id (get-text-property (point) 'squeeze-playerid)))
263 (squeeze-send-string "%s power ?" id)))
265 (defun squeeze-control-volume-up (&optional id inc)
267 (unless inc (setq inc 5))
269 (setq id (get-text-property (point) 'squeeze-playerid)))
271 (squeeze-send-string "%s mixer volume %+d" id inc)))
273 (defun squeeze-control-volume-down (&optional id inc)
275 (unless inc (setq inc 5))
277 (setq id (get-text-property (point) 'squeeze-playerid)))
279 (squeeze-send-string "%s mixer volume %+d" id (- inc))))
281 (defun squeeze-control-volume-set (id val)
283 (squeeze-send-string "%s mixer volume %d" id val))
285 (defun squeeze-control-query-mixer-volume (&optional id)
288 (setq id (get-text-property (point) 'squeeze-playerid)))
290 (squeeze-send-string "%s mixer volume ?" id)))
292 (defun squeeze-control-player-face (player)
293 (let ((power (squeeze-player-power player)))
294 (cond ((string= power "1") 'squeeze-player-on-face)
295 ((string= power "0") 'squeeze-player-off-face)
296 (t 'squeeze-player-face))))
298 (defun squeeze-control-listen ()
299 (squeeze-send-string "listen 1"))
301 (defun squeeze-accept-process-output ()
302 (while (accept-process-output (get-buffer-process "*squeeze*") 0.1 nil t)))
304 (defun squeeze-control-refresh ()
306 (let ((squeeze-control-inhibit-display t))
307 (squeeze-control-query-players)
308 (squeeze-accept-process-output)
309 (squeeze-control-query-syncgroups)
310 (dolist (player squeeze-players)
311 (squeeze-control-query-power (squeeze-player-playerid player))
312 (squeeze-control-query-mixer-volume (squeeze-player-playerid player))))
313 (squeeze-accept-process-output)
314 (squeeze-control-display-players))
316 (defvar squeeze-control-mixer-map
317 (let ((map (make-sparse-keymap)))
318 (define-key map (kbd "RET") 'squeeze-control-mixer-set-volume)
319 (define-key map [mouse-1] 'squeeze-control-mixer-mouse-1)
322 (defun squeeze-control-compute-volume (pos)
323 (let* ((end (next-single-property-change pos 'keymap))
324 (start (previous-single-property-change end 'keymap)))
325 (/ (* 100 (- (point) start)) (- end start 1))))
327 (defun squeeze-control-mixer-mouse-1 (event)
329 (let* ((pos (cadadr event))
330 (val (squeeze-control-compute-volume pos))
331 (id (get-text-property pos 'squeeze-playerid)))
332 (squeeze-control-volume-set id val)))
334 (defun squeeze-control-mixer-set-volume ()
336 (let* ((val (squeeze-control-compute-volume (point)))
337 (id (get-text-property (point) 'squeeze-playerid)))
338 (squeeze-control-volume-set id val)))
340 (defvar squeeze-control-display-syncgroups nil)
342 (defun squeeze-control-toggle-syncgroup-display ()
344 (setf squeeze-control-display-syncgroups
345 (not squeeze-control-display-syncgroups))
346 (squeeze-control-display-players))
348 (defun squeeze-control-insert-player (player)
349 (insert (propertize (format "%20s" (squeeze-player-name player))
350 'face (squeeze-control-player-face player)
351 'squeeze-playerid (squeeze-player-playerid player)))
352 (when (squeeze-player-volume player)
354 (squeeze-mixer-make-bar (squeeze-player-volume player) 28)
355 'squeeze-playerid (squeeze-player-playerid player)
356 'keymap squeeze-control-mixer-map
358 'rear-nonsticky '(keymap))))
359 (insert (propertize "\n" 'intangible t)))
361 (defun squeeze-control-display-players ()
363 (with-current-buffer (get-buffer-create "*squeeze-control*")
364 (let ((saved (point)))
365 (squeeze-control-mode)
369 (squeeze-control-display-syncgroups
370 (let ((syncgroups squeeze-syncgroups)
373 (let ((names (getf syncgroups :sync_member_names))
374 ;; new server version has sync_members and sync_member_names
375 (members (split-string (getf syncgroups :sync_members) ",")))
376 (insert (propertize names 'face 'squeeze-syncgroup-face) "\n")
377 (dolist (member members)
378 (let ((player (squeeze-find-player member)))
379 (squeeze-control-insert-player player)
380 (push player seen))))
381 (setq syncgroups (cddddr syncgroups)))
382 (insert (propertize "No syncgroup" 'face 'squeeze-syncgroup-face) "\n")
383 (dolist (player squeeze-players)
384 (unless (member player seen)
385 (squeeze-control-insert-player player)))))
387 (dolist (player squeeze-players)
388 (squeeze-control-insert-player player))
392 (cl-defstruct (squeeze-player (:constructor squeeze-make-player))
393 playerindex playerid uuid ip name model isplayer displaytype canpoweroff connected power volume)
395 (defun squeeze-string-plistify (string start end)
397 (setq end (length string)))
401 (if (string-match "\\([a-z_]+\\)%3A\\([^ \n]+\\)" string start)
402 (let ((mend (match-end 0)))
405 (push (intern (format ":%s" (substring string (match-beginning 1) (match-end 1)))) result)
406 (push (decode-coding-string
407 (url-unhex-string (substring string (match-beginning 2) (match-end 2)))
414 (defun squeeze-parse-syncgroups-line (string)
415 (let ((syncgroupspos (string-match "^syncgroups " string))
416 (startpos (match-end 0)))
418 (squeeze-string-plistify string startpos (length string)))))
420 (defun squeeze-parse-count (string)
422 (let ((countpos (string-match "count%3A\\([0-9]*\\)\\>" string)))
425 (substring string (match-beginning 1) (match-end 1)))
427 (progn (string-match "^\\([a-z]*\\) " string)
428 (substring string (match-beginning 1) (match-end 1)))))
429 (message "no count found in %s line" kind)
432 (defun squeeze-parse-players-line (string)
433 (let ((count (squeeze-parse-count string))
434 (startpos (string-match "playerindex" string))
437 (dotimes (i (1- count))
438 (setq endpos (progn (string-match " connected%3A[0-1] " string startpos)
440 (push (apply 'squeeze-make-player (squeeze-string-plistify string startpos endpos)) result)
441 (setq startpos endpos))
442 (push (apply 'squeeze-make-player (squeeze-string-plistify string startpos (length string))) result))
445 (defcustom squeeze-artwork-directory "~/.emacs.d/squeeze/artwork/"
446 "Base directory for album and track artwork")
448 (defvar squeeze-albums nil)
450 (cl-defstruct (squeeze-album (:constructor squeeze-make-album))
451 id album artwork_track_id artist index)
453 (defun squeeze-parse-albums-line (string)
454 (let ((count (squeeze-parse-count string))
455 (countpos (string-match "\\_<count%3a" string))
456 (start-index-pos (progn (string-match "^albums \\([0-9]+\\)\\>" string)
457 (match-beginning 1)))
459 (unless squeeze-albums
460 (setq squeeze-albums (make-vector count nil)))
461 (when start-index-pos
462 (setq index (string-to-number (substring string start-index-pos)))
463 (setq start (string-match "\\_<id%3a" string start-index-pos))
465 (setq end (string-match "\\_<\\(id%3a\\|count%3a\\)" string (1+ start)))
466 (aset squeeze-albums index
467 (apply 'squeeze-make-album
469 (squeeze-string-plistify string start end)))
471 (setq start (if (= end countpos) nil end))))))
473 (defun squeeze-get-albums ()
474 (squeeze-send-string "albums 0 1000 tags:lja")
475 (squeeze-accept-process-output))
477 (defvar squeeze-albums-mode-map
478 (let ((map (make-sparse-keymap)))
479 (define-key map (kbd "RET") 'squeeze-albums-load-album)
482 (define-derived-mode squeeze-albums-mode tabulated-list-mode "SqueezeAlbums"
483 "Major mode for displaying Albums from Squeezebox Servers.\\<squeeze-albums-mode-map>"
484 (setq tabulated-list-format [("Cover" 10 nil) ("Title" 30 t)])
485 (add-hook 'tabulated-list-revert-hook 'squeeze-get-albums nil t)
486 (setq tabulated-list-entries 'squeeze-albums-tabulated-list-entries)
488 (setq tabulated-list-use-header-line nil)
489 (tabulated-list-init-header))
491 (defun squeeze-albums-artwork-callback (status artwork_track_id filename)
494 (let ((end (search-forward "\n\n")))
495 (delete-region 1 end)
496 (write-file (format "%s%s/%s" squeeze-artwork-directory artwork_track_id filename))
499 (defun squeeze-albums-tabulated-list-entry (x)
500 (let* ((ati (squeeze-album-artwork_track_id x))
501 (file (format "%s%s/cover_50x50_o.jpg" squeeze-artwork-directory ati)))
502 (unless (file-exists-p file)
503 (make-directory (format "%s%s" squeeze-artwork-directory ati) t)
504 (let ((url (format "http://%s:%s/music/%s/cover_50x50_o.jpg"
505 squeeze-server-address squeeze-server-http-port ati)))
506 (url-queue-retrieve url 'squeeze-albums-artwork-callback
507 (list ati "cover_50x50_o.jpg") t t)))
508 (list x (vector (propertize (format "%s" ati)
509 'display `(when (file-exists-p ,file)
510 image :type jpeg :file ,file))
511 (squeeze-album-album x)))))
513 (defun squeeze-albums-tabulated-list-entries ()
514 (mapcar 'squeeze-albums-tabulated-list-entry (append squeeze-albums nil)))
516 (defun squeeze-complete-command-at-point ()
518 (list (progn (backward-word) (point))
519 (progn (forward-word) (point))
521 (mapcar 'squeeze-player-playerid squeeze-players)
522 '(;; General commands and queries
523 "login" "can" "version" "listen" "subscribe" "pref"
524 "logging" "getstring" "setsncredentials" "debug"
527 ;; Player commands and queries
528 "player" "count" "id" "uuid" "name" "ip" "model" "isplayer"
529 "displaytype" "canpoweroff" "?" "signalstrength" "connected"
530 "sleep" "sync" "syncgroups" "power" "mixer" "volume" "muting"
531 "bass" "treble" "pitch" "show" "display" "linesperscreen"
532 "displaynow" "playerpref" "button" "ir" "irenable"
533 "connect" "client" "forget" "disconnect" "players"
535 ;; Database commands and queries
536 "rescan" "rescanprogress" "abortscan" "wipecache" "info"
537 "total" "genres" "artists" "albums" "songs" "years"
538 "musicfolder" "playlists" "tracks" "new" "rename" "delete"
539 "edit" "songinfo" "titles" "search" "pragma"
541 ;; Playlist commands and queries
542 "play" "stop" "pause" "mode" "time" "genre" "artist" "album"
543 "title" "duration" "remote" "current_title" "path" "playlist"
544 "add" "insert" "deleteitem" "move" "delete" "preview" "resume"
545 "save" "loadalbum" "addalbum" "loadtracks" "addtracks"
546 "insertalbum" "deletealbum" "clear" "zap" "name" "url"
547 "modified" "playlistsinfo" "index" "shuffle" "repeat"
551 "serverstatus" "status" "displaystatus" "readdirectory"
555 ;; Alarm commands and queries
558 ;; Plugins commands and queries
562 (defun squeeze-read-server-parameters (address port)
563 (let ((host (read-string "Host: " nil nil address))
564 (port (read-number "Port: " port)))
567 (defun squeeze (&optional address port)
569 (unless address (setq address squeeze-server-address))
570 (unless port (setq port squeeze-server-port))
571 (when current-prefix-arg
572 (let ((parameters (squeeze-read-server-parameters address port)))
573 (setq address (car parameters)
574 port (cdr parameters))))
575 (let ((buffer (make-comint-in-buffer "squeeze" nil (cons address port))))
576 (switch-to-buffer buffer)
579 (defun squeeze-control (&optional address port)
581 (unless address (setq address squeeze-server-address))
582 (unless port (setq port squeeze-server-port))
583 (when current-prefix-arg
584 (let ((parameters (squeeze-read-server-parameters address port)))
585 (setq address (car parameters)
586 port (cdr parameters))))
587 (let ((current-prefix-arg nil))
588 (squeeze address port))
589 (let ((buffer (get-buffer-create "*squeeze-control*")))
590 (switch-to-buffer buffer)
591 (squeeze-control-listen)
592 (squeeze-control-refresh)
593 (squeeze-control-display-players)))
595 (defun squeeze-list-albums ()
598 (let ((buffer (get-buffer-create "*squeeze-albums*")))
599 (switch-to-buffer buffer)
600 (squeeze-albums-mode)
601 (tabulated-list-print)))
603 (defun squeeze-albums-load-album ()
605 (squeeze-send-string "%s playlistcontrol cmd:load album_id:%s"
606 squeeze-control-current-player
607 (squeeze-album-id (tabulated-list-get-id))))