X-Git-Url: https://thelambdalab.xyz/gitweb/index.cgi?p=emus.git;a=blobdiff_plain;f=emus.el;h=cfa674a86ea8b49a1142003d5b40738dbeb3d607;hp=9d17b2a5eae1656af61b645faecac6a062997087;hb=HEAD;hpb=3e758d8cdf69039ddc1f690caf66489107f8a41c diff --git a/emus.el b/emus.el index 9d17b2a..e5f2ea3 100644 --- a/emus.el +++ b/emus.el @@ -56,6 +56,10 @@ "Name of (and, optionally, path to) mpg123 binary." :type '(string)) +(defcustom emus-mpg123-args nil + "Arguments to pass to mpg123." + :type '(repeat string)) + (defface emus-artist '((((background dark)) :inherit font-lock-string-face :background "#222" :extend t) (t :inherit font-lock-string-face :background "#ddd" :extend t)) @@ -100,6 +104,14 @@ Used to prevent commands from interfering with library construction.") (defvar emus-current-volume 100 "The current playback volume.") +(defvar emus-current-progress "" + "String describing the progress through the current track.") + +(defvar emus-progress-enabled t + "Current state of progress tracking. + +To enable or disable progress tracking, using `emus-toggle-progress-tracking'. +(Changing the value of this variable will not affect anything.)") ;;; mpg123 process ;; @@ -117,9 +129,12 @@ Used to prevent commands from interfering with library construction.") emus-process (let ((proc (make-process :name "emus-process" - :command `(,emus-mpg123-program "-R")))) + :command `(,emus-mpg123-program + ,@emus-mpg123-args + "-R")))) (set-process-query-on-exit-flag proc nil) - (process-send-string proc "silence\n") + (unless emus-progress-enabled + (process-send-string proc "silence\n")) proc)))) (defun emus--send-cmd-raw (cmd &rest args) @@ -140,15 +155,10 @@ be used by `emus--load-library'." "Kill any existing mpg123 process." (let ((emus-process (get-process "emus-process"))) (if emus-process - (kill-process emus-process)))) - -(defun emus-restart () - "Restart emus, regardless of current state." - (interactive) - (emus-kill-process) - (setq emus-state 'stopped - emus--proc-in-use nil - emus-tracks nil)) + (kill-process emus-process)) + (setq emus-state 'stopped + emus--proc-in-use nil + emus-tracks nil))) ;;; Library ;; @@ -234,9 +244,9 @@ Once the library is initialized, the function THEN is called." (defun emus--make-track-from-tagstr (filename tagstr) "Parse TAGSTR to populate the fields of a track corresponding to FILENAME." - (let ((artist "") - (album "") - (title "")) + (let ((artist "Unknown Artist") + (album "Unknown Album") + (title filename)) (dolist (line (split-string tagstr "\n")) (let ((found-artist (elt (split-string line "@I ID3v2.artist:") 1)) (found-album (elt (split-string line "@I ID3v2.album:") 1)) @@ -305,13 +315,13 @@ by the filesystem." (defun emus--resume-cp () "Resume continuous playback." - (setq emus-continuous-playback t) - (set-process-filter (emus-get-process) - (lambda (_proc string) - (and emus-continuous-playback - (eq emus-state 'playing) - (string-suffix-p "@P 0\n" string) - (emus-play-next))))) + (setq emus-continuous-playback t)) + +(defun emus--timestamp (seconds-total) + "Produce a timestamp string representation of SECONDS-TOTAL." + (let* ((seconds (truncate (mod seconds-total 60))) + (minutes (truncate (/ seconds-total 60)))) + (format "%02d:%02d" minutes seconds))) (defun emus-play-track (track) "Set TRACK as current and start playing." @@ -320,6 +330,40 @@ by the filesystem." (emus-send-cmd "l" (emus-track-file track)) (setq emus-state 'playing) (setq emus-current-track track) + (setq emus-current-progress (if emus-progress-enabled "" " (progress disabled)")) + (set-process-filter + (emus-get-process) + (lambda (_proc string) + (dolist (line (string-split string "\n")) + (pcase line + ((and "@P 0" + (guard emus-continuous-playback) + (guard (eq emus-state 'playing))) + (emus-play-next)) + ((and (guard emus-progress-enabled) + (rx (: string-start + "@I ICY-META: StreamTitle=" + (let str (+ (not ";"))) + ";"))) + (message (concat "Emus: Playing stream " str))) + ((and (guard emus-progress-enabled) + (rx (: string-start + "@F " + (+ digit) + " " + (+ digit) + " " + (let left-str (+ (not " "))) + " " + (let right-str (+ any))))) + (let* ((left (string-to-number left-str)) + (right (string-to-number right-str)) + (total (+ left right))) + (setq emus-current-progress + (format " %s/%s" + (emus--timestamp left) + (emus--timestamp total))))) + )))) (emus--update-track old-track) (emus--update-track track) (emus--resume-cp) @@ -453,6 +497,16 @@ If PREV is non-nil, plays the last track of the previous album." (interactive) (emus-jump -10)) +(defun emus-jump-1m-forward () + "Jump 1 minute forward in current track." + (interactive) + (emus-jump 60)) + +(defun emus-jump-1m-backward () + "Jump 1 minute backward in current track." + (interactive) + (emus-jump -60)) + (defun emus-display-status () "Display the current playback status in the minibuffer." (interactive) @@ -461,8 +515,8 @@ If PREV is non-nil, plays the last track of the previous album." (concat "Emus: Volume %d%%" (pcase emus-state ('stopped " [Stopped]") - ('paused " [Paused]") - ('playing " [Playing]") + ('paused (format " [Paused%s]" emus-current-progress)) + ('playing (format " [Playing%s]" emus-current-progress)) (_ "")) " %s") emus-current-volume @@ -473,6 +527,18 @@ If PREV is non-nil, plays the last track of the previous album." (emus-track-artist emus-current-track)) "")))) +(defun emus-toggle-progress-tracking () + "Enable/disable progress tracking." + (interactive) + (setq emus-progress-enabled (not emus-progress-enabled)) + (if emus-progress-enabled + (progn + (emus-send-cmd "progress") + (setq emus-current-progress "")) + (progn + (emus-send-cmd "silence") + (setq emus-current-progress " (progress diabled)")))) + ;;; Browser ;; @@ -665,6 +731,24 @@ Used to update browser display when `emus-current-track' and/or `emus-state' cha (emus-jump-10s-backward) (emus-display-status)) +(defun emus-jump-1m-forward-status () + "Jump 10s forward in current track, then display the emus status in the minibuffer." + (interactive) + (emus-jump-1m-forward) + (emus-display-status)) + +(defun emus-jump-1m-backward-status () + "Jump 10s backward in current track, then display the emus status in the minibuffer." + (interactive) + (emus-jump-1m-backward) + (emus-display-status)) + +(defun emus-toggle-progress-status () + "Toggle progress tracking, then display the emus status in the minibuffer." + (interactive) + (emus-toggle-progress-tracking) + (emus-display-status)) + (defun emus-goto-current-status () "Move point to the current track, then display the emus status in the minibuffer." (interactive) @@ -676,9 +760,23 @@ Used to update browser display when `emus-current-track' and/or `emus-state' cha (interactive) (emus-stop) (setq emus-tracks nil) - (emus--with-library - (emus-browse) - (emus-display-status))) + (emus-browse) + (emus-display-status)) + +(defun emus-restart-browse () + "Restart the emus process, then refresh the browse window." + (interactive) + (message "Restarting mpg123.") + (emus-kill-process) + (run-at-time 0.1 nil #'emus-browse)) ;Slight delay to wait for kill signal to take effect + +(defun emus-restart-status () + "Restart the emus process, then display the status." + (interactive) + (message "Restarting mpg123.") + (emus-kill-process) + (run-at-time 0.1 nil #'emus-display-status)) ;Slight delay to wait for kill signal to take effect + (defvar emus-browser-mode-map (let ((map (make-sparse-keymap))) @@ -694,30 +792,33 @@ Used to update browser display when `emus-current-track' and/or `emus-state' cha (define-key map (kbd "P") 'emus-play-prev-album-status) (define-key map (kbd ",") 'emus-jump-10s-backward-status) (define-key map (kbd ".") 'emus-jump-10s-forward-status) + (define-key map (kbd "<") 'emus-jump-1m-backward-status) + (define-key map (kbd ">") 'emus-jump-1m-forward-status) (define-key map (kbd "c") 'emus-goto-current-status) + (define-key map (kbd "#") 'emus-toggle-progress-status) + (define-key map (kbd "!") 'emus-restart-browse) (when (fboundp 'evil-define-key*) (evil-define-key* 'motion map - (kbd "SPC") 'emus-playpause-status - (kbd "o") 'emus-stop-status - (kbd "+") 'emus-volume-up-status - (kbd "=") 'emus-volume-up-status - (kbd "-") 'emus-volume-down-status - (kbd "R") 'emus-refresh-status - (kbd "n") 'emus-play-next-status - (kbd "p") 'emus-play-prev-status - (kbd "N") 'emus-play-next-album-status - (kbd "P") 'emus-play-prev-album-status - (kbd ",") 'emus-jump-10s-backward-status - (kbd ".") 'emus-jump-10s-forward-status - (kbd "c") 'emus-goto-current-status)) + (kbd "SPC") 'emus-playpause-status + (kbd "o") 'emus-stop-status + (kbd "+") 'emus-volume-up-status + (kbd "=") 'emus-volume-up-status + (kbd "-") 'emus-volume-down-status + (kbd "R") 'emus-refresh-status + (kbd "n") 'emus-play-next-status + (kbd "p") 'emus-play-prev-status + (kbd "N") 'emus-play-next-album-status + (kbd "P") 'emus-play-prev-album-status + (kbd ",") 'emus-jump-10s-backward-status + (kbd ".") 'emus-jump-10s-forward-status + (kbd "<") 'emus-jump-1m-backward-status + (kbd ">") 'emus-jump-1m-forward-status + (kbd "c") 'emus-goto-current-status + (kbd "#") 'emus-toggle-progress-status + (kbd "!") #'emus-restart-browse)) map) "Keymap for emus browser.") -(defun emus-restart () - "Restart emus." - (interactive) - (emus-kill-process)) - (define-derived-mode emus-browser-mode special-mode "emus-browser" "Major mode for EMUS music player file browser." (setq-local buffer-invisibility-spec nil))