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)
56 (define-key map (kbd "!") 'squeeze-control-reconnect)
59 (defun squeeze-control-current-player ()
60 (or squeeze-control-current-player
61 (if (= (length squeeze-players) 1)
62 (setq squeeze-control-current-player (squeeze-player-playerid (car squeeze-players)))
63 (call-interactively 'squeeze-control-select-player))))
65 (defvar squeeze-control-current-player nil)
67 (defun squeeze-control-select-player (id)
69 (list (or (get-text-property (point) 'squeeze-playerid)
70 (let ((name (completing-read "Select player: " (mapcar 'squeeze-player-name squeeze-players))))
71 (squeeze-player-playerid (squeeze-find-player-from-name name))))))
72 (setq squeeze-control-current-player id))
74 (defun squeeze-control-next-track ()
76 (squeeze-send-string "%s playlist index +1" (squeeze-control-current-player)))
78 (defun squeeze-control-previous-track ()
80 (squeeze-send-string "%s playlist index -1" (squeeze-control-current-player)))
82 (define-derived-mode squeeze-control-mode special-mode "SqueezeControl"
83 "Major mode for controlling Squeezebox Servers.\\<squeeze-control-mode-map>")
85 (defvar squeeze-control-inhibit-display nil)
87 (lexical-let ((buffer (get-buffer-create " *squeeze-update-state*")))
88 (defun squeeze-update-state (string)
89 ;; FIXME: we could make this a lot more elegant by using the
90 ;; buffer abstraction more
91 (if (cl-position ?\n string)
93 (with-current-buffer buffer
95 (setq string (buffer-string))
97 (dolist (line (split-string string "\n"))
98 (when (squeeze-update-state-from-line line)
99 (setq done-something t)))
101 (unless squeeze-control-inhibit-display
102 (squeeze-control-display-players))))
103 (with-current-buffer buffer
107 (defconst squeeze-player-line-regexp
108 "^\\(\\(?:[0-9a-f]\\{2\\}%3A\\)\\{5\\}[0-9a-f]\\{2\\}\\) ")
110 (defun squeeze-find-player (id)
111 (dolist (player squeeze-players)
112 (when (string= id (squeeze-player-playerid player))
115 (defun squeeze-find-player-from-name (name)
116 (dolist (player squeeze-players)
117 (when (string= name (squeeze-player-name player))
120 (defun squeeze-update-power (player state)
122 (setf (squeeze-player-power player) state)
123 (let ((current (squeeze-player-power player)))
124 (setf (squeeze-player-power player)
125 (cond ((string= current "0") "1")
126 ((string= current "1") "0"))))))
128 (defun squeeze-update-mixer-volume (player value)
129 (let ((current (squeeze-player-volume player))
130 (number (string-to-number value)))
131 (if (string-match "^[-+]" value)
132 (setf (squeeze-player-volume player)
133 (and current (max 0 (min 100 (+ current number)))))
134 (setf (squeeze-player-volume player) number))))
136 (require 'notifications)
138 (defun squeeze-update-state-from-line (string)
140 ((string-match "^players 0" string)
141 (setq squeeze-players (squeeze-parse-players-line string))
143 ((string-match "^syncgroups" string)
144 (setq squeeze-syncgroups (squeeze-parse-syncgroups-line string))
146 ((string-match "^albums" string)
147 (squeeze-parse-albums-line string)
149 ((string-match squeeze-player-line-regexp string)
150 (let ((substring (substring string (match-end 0)))
151 (id (url-unhex-string (match-string 1 string))))
153 ((string-match "^playlist newsong \\(.*\\) \\([0-9]+\\)$" substring)
154 (let ((value (save-match-data (url-unhex-string (match-string 1 substring))))
155 (index (url-unhex-string (match-string 2 substring))))
156 (notifications-notify :title "Now playing" :body (encode-coding-string (format "%s: %s" index value) 'utf-8)))
158 ((string-match "^power\\(?: \\([01]\\)\\)?" substring)
159 (let ((state (match-string 1 substring))
160 (player (squeeze-find-player id)))
161 (squeeze-update-power player state))
163 ((string-match "^mixer volume \\(\\(?:-\\|%2B\\)?[0-9]*\\)" substring)
164 (let ((value (url-unhex-string (match-string 1 substring)))
165 (player (squeeze-find-player id)))
166 (squeeze-update-mixer-volume player value))
169 (defface squeeze-player-face
171 "Face for displaying players"
173 (defface squeeze-player-on-face
174 '((t :weight bold :inherit squeeze-player-face))
175 "Face for displaying players which are on"
177 (defface squeeze-player-off-face
178 '((t :weight light :inherit squeeze-player-face))
179 "Face for displaying players which are off"
182 (defface squeeze-mixer-face
184 "Face for displaying mixer information"
186 (defface squeeze-mixer-muted-face
187 '((t :weight light :inherit squeeze-mixer-face))
188 "Face for displaying mixer information when muted"
190 (defface squeeze-mixer-quiet-face
191 '((t :foreground "green3" :inherit squeeze-mixer-face))
192 "Face for quiet volume"
194 (defface squeeze-mixer-medium-face
195 '((t :foreground "gold" :inherit squeeze-mixer-face))
196 "Face for medium volume"
198 (defface squeeze-mixer-loud-face
199 '((t :foreground "OrangeRed1" :inherit squeeze-mixer-face))
200 "Face for loud volume"
202 (defface squeeze-mixer-muted-quiet-face
203 '((t :inherit (squeeze-mixer-muted-face squeeze-mixer-quiet-face)))
204 "Face for quiet volume when muted")
205 (defface squeeze-syncgroup-face
207 "Face for syncgroups"
210 (defun squeeze-mixer-compute-bar (vol width)
211 (let* ((exact (* width (/ vol 100.0)))
212 (nfull (floor exact))
213 (frac (- exact nfull))
214 (nblank (floor (- width exact))))
216 (make-string nfull ?█)
217 (if (= width (+ nfull nblank))
219 (string (aref " ▏▎▍▌▋▊▉█" (floor (+ frac 0.0625) 0.125))))
220 (make-string nblank ? ))))
222 (defun squeeze-mixer-make-bar (vol width)
223 (let ((bar (squeeze-mixer-compute-bar vol width))
224 (lo (floor (* 0.65 width)))
225 (hi (floor (* 0.9 width))))
227 (propertize (substring bar 0 lo) 'face 'squeeze-mixer-quiet-face)
228 (propertize (substring bar lo hi) 'face 'squeeze-mixer-medium-face)
229 (propertize (substring bar hi) 'face 'squeeze-mixer-loud-face)
230 (propertize "▏" 'intangible t))))
232 (defvar squeeze-players ())
233 (defvar squeeze-syncgroups ())
235 (defun squeeze-send-string (control &rest arguments)
236 (let* ((process (get-buffer-process "*squeeze*"))
237 (string (apply #'format control arguments))
238 (length (length string)))
239 (unless (and (> length 0) (char-equal (aref string (1- length)) ?\n))
240 (setq string (format "%s\n" string)))
242 (comint-send-string process string)
243 (error "can't find squeeze process"))))
245 (defun squeeze-control-query-syncgroups ()
247 (squeeze-send-string "syncgroups ?"))
249 (defun squeeze-control-query-players ()
251 (squeeze-send-string "players 0"))
253 (defun squeeze-control-toggle-power (&optional id)
256 (setq id (get-text-property (point) 'squeeze-playerid)))
257 (squeeze-send-string "%s power" id))
259 (defun squeeze-control-play-favorite (&optional favorite id)
260 (interactive "nFavourite: ")
262 (setq id (get-text-property (point) 'squeeze-playerid)))
263 (squeeze-send-string "%s favorites playlist play item_id:%d" id favorite))
265 (defun squeeze-control-query-power (&optional id)
268 (setq id (get-text-property (point) 'squeeze-playerid)))
270 (squeeze-send-string "%s power ?" id)))
272 (defun squeeze-control-volume-up (&optional id inc)
274 (unless inc (setq inc 5))
276 (setq id (get-text-property (point) 'squeeze-playerid)))
278 (squeeze-send-string "%s mixer volume %+d" id inc)))
280 (defun squeeze-control-volume-down (&optional id inc)
282 (unless inc (setq inc 5))
284 (setq id (get-text-property (point) 'squeeze-playerid)))
286 (squeeze-send-string "%s mixer volume %+d" id (- inc))))
288 (defun squeeze-control-volume-set (id val)
290 (squeeze-send-string "%s mixer volume %d" id val))
292 (defun squeeze-control-query-mixer-volume (&optional id)
295 (setq id (get-text-property (point) 'squeeze-playerid)))
297 (squeeze-send-string "%s mixer volume ?" id)))
299 (defun squeeze-control-player-face (player)
300 (let ((power (squeeze-player-power player)))
301 (cond ((string= power "1") 'squeeze-player-on-face)
302 ((string= power "0") 'squeeze-player-off-face)
303 (t 'squeeze-player-face))))
305 (defun squeeze-control-listen ()
306 (squeeze-send-string "listen 1"))
308 (defun squeeze-accept-process-output ()
309 (while (accept-process-output (get-buffer-process "*squeeze*") 0.1 nil t)))
311 (defun squeeze-control-refresh ()
313 (let ((squeeze-control-inhibit-display t))
314 (squeeze-control-query-players)
315 (squeeze-accept-process-output)
316 (squeeze-control-query-syncgroups)
317 (dolist (player squeeze-players)
318 (squeeze-control-query-power (squeeze-player-playerid player))
319 (squeeze-control-query-mixer-volume (squeeze-player-playerid player))))
320 (squeeze-accept-process-output)
321 (squeeze-control-display-players))
323 (defvar squeeze-control-mixer-map
324 (let ((map (make-sparse-keymap)))
325 (define-key map (kbd "RET") 'squeeze-control-mixer-set-volume)
326 (define-key map [mouse-1] 'squeeze-control-mixer-mouse-1)
329 (defun squeeze-control-compute-volume (pos)
330 (let* ((end (next-single-property-change pos 'keymap))
331 (start (previous-single-property-change end 'keymap)))
332 (/ (* 100 (- (point) start)) (- end start 1))))
334 (defun squeeze-control-mixer-mouse-1 (event)
336 (let* ((pos (cadadr event))
337 (val (squeeze-control-compute-volume pos))
338 (id (get-text-property pos 'squeeze-playerid)))
339 (squeeze-control-volume-set id val)))
341 (defun squeeze-control-mixer-set-volume ()
343 (let* ((val (squeeze-control-compute-volume (point)))
344 (id (get-text-property (point) 'squeeze-playerid)))
345 (squeeze-control-volume-set id val)))
347 (defvar squeeze-control-display-syncgroups nil)
349 (defun squeeze-control-toggle-syncgroup-display ()
351 (setf squeeze-control-display-syncgroups
352 (not squeeze-control-display-syncgroups))
353 (squeeze-control-display-players))
355 (defun squeeze-control-insert-player (player)
356 (insert (propertize (format "%20s" (squeeze-player-name player))
357 'face (squeeze-control-player-face player)
358 'squeeze-playerid (squeeze-player-playerid player)))
359 (when (squeeze-player-volume player)
361 (squeeze-mixer-make-bar (squeeze-player-volume player) 28)
362 'squeeze-playerid (squeeze-player-playerid player)
363 'keymap squeeze-control-mixer-map
365 'rear-nonsticky '(keymap))))
366 (insert (propertize "\n" 'intangible t)))
368 (defun squeeze-control-display-players ()
370 (with-current-buffer (get-buffer-create "*squeeze-control*")
371 (let ((saved (point)))
372 (squeeze-control-mode)
376 (squeeze-control-display-syncgroups
377 (let ((syncgroups squeeze-syncgroups)
380 (let ((names (getf syncgroups :sync_member_names))
381 ;; new server version has sync_members and sync_member_names
382 (members (split-string (getf syncgroups :sync_members) ",")))
383 (insert (propertize names 'face 'squeeze-syncgroup-face) "\n")
384 (dolist (member members)
385 (let ((player (squeeze-find-player member)))
386 (squeeze-control-insert-player player)
387 (push player seen))))
388 (setq syncgroups (cddddr syncgroups)))
389 (insert (propertize "No syncgroup" 'face 'squeeze-syncgroup-face) "\n")
390 (dolist (player squeeze-players)
391 (unless (member player seen)
392 (squeeze-control-insert-player player)))))
394 (dolist (player squeeze-players)
395 (squeeze-control-insert-player player))
399 (cl-defstruct (squeeze-player (:constructor squeeze-make-player))
400 playerindex playerid uuid ip name model isplayer displaytype canpoweroff connected power volume)
402 (defun squeeze-string-plistify (string start end)
404 (setq end (length string)))
408 (if (string-match "\\([a-z_]+\\)%3A\\([^ \n]+\\)" string start)
409 (let ((mend (match-end 0)))
412 (push (intern (format ":%s" (substring string (match-beginning 1) (match-end 1)))) result)
413 (push (decode-coding-string
414 (url-unhex-string (substring string (match-beginning 2) (match-end 2)))
421 (defun squeeze-parse-syncgroups-line (string)
422 (let ((syncgroupspos (string-match "^syncgroups " string))
423 (startpos (match-end 0)))
425 (squeeze-string-plistify string startpos (length string)))))
427 (defun squeeze-parse-count (string)
429 (let ((countpos (string-match "count%3A\\([0-9]*\\)\\>" string)))
432 (substring string (match-beginning 1) (match-end 1)))
434 (progn (string-match "^\\([a-z]*\\) " string)
435 (substring string (match-beginning 1) (match-end 1)))))
436 (message "no count found in %s line" kind)
439 (defun squeeze-parse-players-line (string)
440 (let ((count (squeeze-parse-count string))
441 (startpos (string-match "playerindex" string))
444 (dotimes (i (1- count))
445 (setq endpos (progn (string-match " connected%3A[0-1] " string startpos)
447 (push (apply 'squeeze-make-player (squeeze-string-plistify string startpos endpos)) result)
448 (setq startpos endpos))
449 (push (apply 'squeeze-make-player (squeeze-string-plistify string startpos (length string))) result))
452 (defcustom squeeze-artwork-directory "~/.emacs.d/squeeze/artwork/"
453 "Base directory for album and track artwork")
455 (defvar squeeze-albums nil)
457 (cl-defstruct (squeeze-album (:constructor squeeze-make-album))
458 id album artwork_track_id artist index)
460 (defun squeeze-parse-albums-line (string)
461 (let ((count (squeeze-parse-count string))
462 (countpos (string-match "\\_<count%3a" string))
463 (start-index-pos (progn (string-match "^albums \\([0-9]+\\)\\>" string)
464 (match-beginning 1)))
466 (unless squeeze-albums
467 (setq squeeze-albums (make-vector count nil)))
468 (when start-index-pos
469 (setq index (string-to-number (substring string start-index-pos)))
470 (setq start (string-match "\\_<id%3a" string start-index-pos))
472 (setq end (string-match "\\_<\\(id%3a\\|count%3a\\)" string (1+ start)))
473 (aset squeeze-albums index
474 (apply 'squeeze-make-album
476 (squeeze-string-plistify string start end)))
478 (setq start (if (= end countpos) nil end))))))
480 (defun squeeze-get-albums ()
481 (squeeze-send-string "albums 0 1000 tags:lja")
482 (squeeze-accept-process-output))
484 (defvar squeeze-albums-mode-map
485 (let ((map (make-sparse-keymap)))
486 (define-key map (kbd "RET") 'squeeze-albums-load-album)
489 (define-derived-mode squeeze-albums-mode tabulated-list-mode "SqueezeAlbums"
490 "Major mode for displaying Albums from Squeezebox Servers.\\<squeeze-albums-mode-map>"
491 (setq tabulated-list-format [("Cover" 10 nil) ("Title" 30 t)])
492 (add-hook 'tabulated-list-revert-hook 'squeeze-get-albums nil t)
493 (setq tabulated-list-entries 'squeeze-albums-tabulated-list-entries)
495 (setq tabulated-list-use-header-line nil)
496 (tabulated-list-init-header))
498 (defun squeeze-albums-artwork-callback (status artwork_track_id filename)
501 (let ((end (search-forward "\n\n")))
502 (delete-region 1 end)
503 (write-file (format "%s%s/%s" squeeze-artwork-directory artwork_track_id filename))
506 (defun squeeze-albums-tabulated-list-entry (x)
507 (let* ((ati (squeeze-album-artwork_track_id x))
508 (file (format "%s%s/cover_50x50_o.jpg" squeeze-artwork-directory ati)))
509 (unless (file-exists-p file)
510 (make-directory (format "%s%s" squeeze-artwork-directory ati) t)
511 (let ((url (format "http://%s:%s/music/%s/cover_50x50_o.jpg"
512 squeeze-server-address squeeze-server-http-port ati)))
513 (url-queue-retrieve url 'squeeze-albums-artwork-callback
514 (list ati "cover_50x50_o.jpg") t t)))
515 (list x (vector (propertize (format "%s" ati)
516 'display `(when (file-exists-p ,file)
517 image :type jpeg :file ,file))
518 (squeeze-album-album x)))))
520 (defun squeeze-albums-tabulated-list-entries ()
521 (mapcar 'squeeze-albums-tabulated-list-entry (append squeeze-albums nil)))
523 (defun squeeze-complete-command-at-point ()
525 (list (progn (backward-word) (point))
526 (progn (forward-word) (point))
528 (mapcar 'squeeze-player-playerid squeeze-players)
529 '(;; General commands and queries
530 "login" "can" "version" "listen" "subscribe" "pref"
531 "logging" "getstring" "setsncredentials" "debug"
534 ;; Player commands and queries
535 "player" "count" "id" "uuid" "name" "ip" "model" "isplayer"
536 "displaytype" "canpoweroff" "?" "signalstrength" "connected"
537 "sleep" "sync" "syncgroups" "power" "mixer" "volume" "muting"
538 "bass" "treble" "pitch" "show" "display" "linesperscreen"
539 "displaynow" "playerpref" "button" "ir" "irenable"
540 "connect" "client" "forget" "disconnect" "players"
542 ;; Database commands and queries
543 "rescan" "rescanprogress" "abortscan" "wipecache" "info"
544 "total" "genres" "artists" "albums" "songs" "years"
545 "musicfolder" "playlists" "tracks" "new" "rename" "delete"
546 "edit" "songinfo" "titles" "search" "pragma"
548 ;; Playlist commands and queries
549 "play" "stop" "pause" "mode" "time" "genre" "artist" "album"
550 "title" "duration" "remote" "current_title" "path" "playlist"
551 "add" "insert" "deleteitem" "move" "delete" "preview" "resume"
552 "save" "loadalbum" "addalbum" "loadtracks" "addtracks"
553 "insertalbum" "deletealbum" "clear" "zap" "name" "url"
554 "modified" "playlistsinfo" "index" "shuffle" "repeat"
558 "serverstatus" "status" "displaystatus" "readdirectory"
562 ;; Alarm commands and queries
565 ;; Plugins commands and queries
569 (defun squeeze-read-server-parameters (address port)
570 (let ((host (read-string "Host: " nil nil address))
571 (port (read-number "Port: " port)))
574 (cl-defmacro with-squeeze-parameters ((address port) &body body)
577 (unless ,address (setq ,address squeeze-server-address))
578 (unless ,port (setq ,port squeeze-server-port))
579 (when current-prefix-arg
580 (let ((parameters (squeeze-read-server-parameters ,address ,port)))
581 (setq ,address (car parameters)
582 ,port (cdr parameters))))
585 (defun squeeze (&optional address port)
587 (with-squeeze-parameters (address port)
588 (let ((buffer (make-comint-in-buffer "squeeze" nil (cons address port))))
589 (switch-to-buffer buffer)
592 (defun squeeze-control (&optional address port)
594 (with-squeeze-parameters (address port)
595 (let ((current-prefix-arg nil))
596 (squeeze address port))
597 (let ((buffer (get-buffer-create "*squeeze-control*")))
598 (switch-to-buffer buffer)
599 (squeeze-control-listen)
600 (squeeze-control-refresh)
601 (squeeze-control-display-players))))
603 (defun squeeze-control-reconnect (&optional address port)
605 (with-squeeze-parameters (address port)
606 (kill-buffer (get-buffer "*squeeze*"))
607 (let ((current-prefix-arg nil))
608 (squeeze-control address port))))
610 (defun squeeze-list-albums ()
613 (let ((buffer (get-buffer-create "*squeeze-albums*")))
614 (switch-to-buffer buffer)
615 (squeeze-albums-mode)
616 (tabulated-list-print)))
618 (defun squeeze-albums-load-album ()
620 (squeeze-send-string "%s playlistcontrol cmd:load album_id:%s"
621 (squeeze-control-current-player)
622 (squeeze-album-id (tabulated-list-get-id))))