we might not always get a squeeze-playerid property

Don't send a player request with nil as the mac address

diff --git a/squeeze.el b/squeeze.el
index 0b637ad4ed09458b4731719439825dbb7e332982..95bfdf140f358be70e5d1de1e16a4e825629fb68 100644 (file)
--- a/squeeze.el
+++ b/squeeze.el
@@ -169,27 +169,31 @@
   (interactive)
   (unless id
     (setq id (get-text-property (point) 'squeeze-playerid)))
-  (comint-send-string (get-buffer-process "*squeeze*") (format "%s power ?\n" id)))
+  (when id
+    (comint-send-string (get-buffer-process "*squeeze*") (format "%s power ?\n" id))))
 
 (defun squeeze-control-volume-up (&optional id inc)
   (interactive)
   (unless inc (setq inc 5))
   (unless id
     (setq id (get-text-property (point) 'squeeze-playerid)))
-  (comint-send-string (get-buffer-process "*squeeze*") (format "%s mixer volume %+d\n" id inc)))
+  (when id
+    (comint-send-string (get-buffer-process "*squeeze*") (format "%s mixer volume %+d\n" id inc))))
 
 (defun squeeze-control-volume-down (&optional id inc)
   (interactive)
   (unless inc (setq inc 5))
   (unless id
     (setq id (get-text-property (point) 'squeeze-playerid)))
-  (comint-send-string (get-buffer-process "*squeeze*") (format "%s mixer volume %+d\n" id (- inc))))
+  (when id
+    (comint-send-string (get-buffer-process "*squeeze*") (format "%s mixer volume %+d\n" id (- inc)))))
 
 (defun squeeze-control-query-mixer-volume (&optional id)
   (interactive)
   (unless id
     (setq id (get-text-property (point) 'squeeze-playerid)))
-  (comint-send-string (get-buffer-process "*squeeze*") (format "%s mixer volume ?\n" id)))
+  (when id
+    (comint-send-string (get-buffer-process "*squeeze*") (format "%s mixer volume ?\n" id))))
 
 (defun squeeze-control-player-face (player)
   (let ((power (squeeze-player-power player)))