;; emms-streams.el -- interface to add and play streams ;; 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 2 ;; 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, write to the Free Software ;; Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA ;; 02110-1301 USA ;; Commentary: ;; It is part of the EMMS package ;; Heavily based on bmk-mgr.el by Jose A Ortega Ruiz ;; thanks to you ! ;; Code: (defvar emms-stream-bookmarks-file "~/.emacs.d/emms-streams" "The file where you store your favorite emms streams") (defvar emms-stream-list nil "The list that contains your current stream bookmarks.") (defvar emms-stream-buffer-name "*EMMS Streams*" "The name of the buffer used by emms-stream interface.") (defvar emms-stream-play-hook nil "*A hook run when you add or play an EMMS stream via the popup.") (defvar emms-stream-current-stream nil "The stream currently being played. Needed by the info method, as the track doesn't contain all the needed info.") (defvar emms-stream-default-action "add" "The default action when you press RET in the EMMS Stream interface. Can be either \"add\" or \"play\". The default is \"add\".") (defvar emms-stream-last-stream nil "The last stream added/played by EMMS.") (defface emms-stream-name-face '((t (:bold t :foreground nil :weight bold))) "Face for stream names.") (defface emms-stream-url-face '((t (:foreground "LightSteelBlue"))) "Face for stream URLs.") ;; Format: (("descriptive name" url feed-number type)) ;; type could be either url or playlist. If url, then it represents a ;; direct IP, otherwite it's a stream playlist (defvar emms-stream-default-list '(("SomaFM: Beatblender" "http://www.somafm.com/beatblender.pls" 1 streamlist) ("SomaFM: Secret Agent" "http://www.somafm.com/secretagent.pls" 1 streamlist) ("SomaFM: Groove Salad" "http://www.somafm.com/groovesalad.pls" 1 streamlist) ("SomaFM: Drone Zone" "http://www.somafm.com/dronezone.pls" 1 streamlist) ("SomaFM: Tag's Trance" "http://www.somafm.com/tagstrance.pls" 1 streamlist) ("Digitally Imported, Trance" "http://www.digitallyimported.com/mp3/trance.pls" 1 streamlist) ("Digitally Imported, Deephouse" "http://www.digitallyimported.com/mp3/deephouse.pls" 1 streamlist) ("Digitally Imported, Mostly Classical" "http://www.digitallyimported.com/mp3/classical.pls" 1 streamlist) ("Digitally Imported, Chillout" "http://www.digitallyimported.com/mp3/chillout.pls" 1 streamlist) ("Digitally Imported, Drum and Bass" "http://www.digitallyimported.com/mp3/drumandbass.pls" 1 streamlist) ("Philosomatika, Goa-Trance" "http://www.philosomatika.com/Philosomatika.pls" 1 streamlist) ("Drum and Bass Radio, BassDrive" "http://www.bassdrive.com/BassDrive.m3u" 1 streamlist) ("Flaresound, Jazzmusique" "http://64.236.34.196:80/stream/1016" 1 url) ("Flaresound, Jazzmusique" "http://205.188.234.4:8004" 2 url) ("Flaresound, L'Electric" "http://www.bp6.com:8002" 1 url) ("Stangs Garage, Eclectic" "http://www.stangsgarage.com/listen.pls" 1 streamlist) ("DNA Lounge, Live" "http://www.dnalounge.com/audio/128.m3u" 1 streamlist) ("Virgin Radio, The Groove" "http://www.smgradio.com/core/audio/ogg/live.pls?service=grbb" 1 streamlist) ("Virgin Radio, Virgin Classic" "http://www.smgradio.com/core/audio/ogg/live.pls?service=vcbb" 1 streamlist) ("Virgin Radio, Virgin 1215AM" "http://www.smgradio.com/core/audio/ogg/live.pls?service=vrbb" 1 streamlist) ("WCPE, Classical Music" "http://www.ibiblio.org/wcpe/wcpe.pls" 1 streamlist))) (defvar emms-stream-mode-map (let ((map (make-keymap))) (suppress-keymap map) (define-key map [(control ?a)] 'beginning-of-line) (define-key map [(control ?e)] 'end-of-line) (define-key map [(control ?k)] 'emms-stream-kill-bookmark) (define-key map [(control ?y)] 'emms-stream-yank-bookmark) (define-key map [(control ?n)] 'emms-stream-next-line) (define-key map [(control ?p)] 'emms-stream-previous-line) (define-key map [?Q] 'emms-stream-quit) (define-key map [?a] 'emms-stream-add-bookmark) (define-key map [?d] 'emms-stream-delete-bookmark) (define-key map [?e] 'emms-stream-edit-bookmark) (define-key map [?h] 'describe-mode) (define-key map [?n] 'emms-stream-next-line) (define-key map [?p] 'emms-stream-previous-line) (define-key map [?q] 'emms-stream-quit) (define-key map [?s] 'emms-stream-save-bookmarks-file) ;; (define-key map [?u] 'emms-stream-move-bookmark-up) (define-key map [?i] 'emms-stream-info-bookmark) (define-key map (kbd "") 'emms-stream-previous-line) (define-key map (kbd "") 'emms-stream-next-line) (define-key map (kbd "") 'beginning-of-line) (define-key map (kbd "") 'end-of-line) (define-key map (kbd "RET") 'emms-stream-play) map) "Keymap for `emms-stream-menu'.") (defun emms-stream-line-number-at-pos (&optional pos) "Return (narrowed) buffer line number at position POS. If POS is nil, use current buffer location." (let ((opoint (or pos (point))) start) (save-excursion (goto-char (point-min)) (setq start (point)) (goto-char opoint) (forward-line 0) (1+ (count-lines start (point)))))) (defun emms-streams () "Opens the EMMS Streams interface." (interactive) (kill-buffer (get-buffer-create emms-stream-buffer-name)) (set-buffer (get-buffer-create emms-stream-buffer-name)) (erase-buffer) (emms-stream-mode) (switch-to-buffer emms-stream-buffer-name)) (defun emms-stream-mode () (kill-all-local-variables) (buffer-disable-undo) (setq major-mode 'emms-stream-mode) (setq mode-name "EMMS Streams") (use-local-map emms-stream-mode-map) (emms-stream-init) (set (make-local-variable 'truncate-lines) t) (set (make-local-variable 'automatic-hscrolling) t) (set (make-local-variable 'kill-whole-line) t) (set (make-local-variable 'next-line-add-newlines) nil) (goto-char 1) (emms-stream-display) (toggle-read-only 1) (message "EMMS Stream Menu")) (defun emms-stream-popup-revert () "Revert to the window-configuration from before if there is one, otherwise just remove the special bindings from the stream menu." (interactive) (remove-hook 'emms-pbi-manually-change-song-hook 'emms-pbi-popup-revert) (let ((streambuffer (get-buffer emms-stream-buffer-name))) (when streambuffer (save-excursion (set-buffer streambuffer) ;; (local-unset-key (kbd "q")) (local-unset-key (kbd "TAB"))))) ;; (local-unset-key (kbd "RET"))))) (when emms-stream-popup-old-conf (set-window-configuration emms-stream-popup-old-conf)) (remove-hook 'emms-stream-play-hook 'emms-stream-popup-revert) (remove-hook 'emms-stream-quit-hook 'emms-stream-popup-revert)) (defun emms-stream-popup (&optional popup-height) "Pops up the stream Menu, for the new stream selection. POPUP-HEIGHT is the height of the new frame, defaulting to `emms-popup-default-height'." (interactive) (setq popup-height (or popup-height (/ (window-height) 2))) ;; Split the current screen, and make the stream menu popup (let ((new-window-height (- (window-height) popup-height))) (if (not (> new-window-height 0)) (error "Current window too small to popup menu!")) ;; Save the current window-configuration (setq emms-stream-popup-old-conf (current-window-configuration)) ;; Split and select the menu (let ((buffer-down (split-window-vertically new-window-height))) (select-window buffer-down)) (kill-buffer (get-buffer-create emms-stream-buffer-name)) (switch-to-buffer (get-buffer-create emms-stream-buffer-name)) (erase-buffer) (emms-stream-mode) (add-hook 'emms-stream-play-hook 'emms-stream-popup-revert) (add-hook 'emms-stream-quit-hook 'emms-stream-popup-revert) (local-set-key (kbd "TAB") 'emms-stream-popup-revert) (local-set-key (kbd "RET") 'emms-stream-play) ;; (local-set-key (kbd "q") 'delete-window) ;; Also, forget about the whole thing if the user does something ;; to the window-configuration ;; (add-hook 'window-configuration-change-hook 'emms-stream-popup-forget-conf))) )) (defun emms-stream-init () (setq emms-stream-list (emms-stream-read-file emms-stream-bookmarks-file))) (defun emms-stream-read-file (file) "Returns a sexp." (let ((file (expand-file-name file))) (if (file-readable-p file) (with-temp-buffer (insert-file-contents-literally file) (goto-char (point-min)) (read (current-buffer))) emms-stream-default-list))) (defun emms-stream-save-bookmarks-file () (interactive) (let ((buffer (find-file-noselect emms-stream-bookmarks-file))) (set-buffer buffer) (erase-buffer) (prin1 emms-stream-list buffer) (save-buffer) (kill-buffer buffer))) (defun emms-stream-display-line (line) (insert (emms-stream-name line)) (add-text-properties (point-at-bol) (point-at-eol) '(face emms-stream-name-face)) (add-text-properties (point-at-bol) (point-at-eol) `(emms-stream ,line)) (insert "\n ") (insert (emms-stream-url line)) (add-text-properties (point-at-bol) (point-at-eol) '(face emms-stream-url-face)) (insert "\n")) (defun emms-stream-display () "Displays the bookmark list in the current buffer, in a human readable way." (mapc 'emms-stream-display-line emms-stream-list) (goto-char (point-min))) ;; Helper functions (defun take (n list) "Takes N elements from LIST." (let ((idx 0) (res '())) (while (< idx n) (setq res (append res (list (nth idx list)))) (setq idx (+ idx 1))) res)) (defun insert-at (n elt list) "Inserts the element ELT in LIST, *before* position N. Positions are counted starting with 0." (let* ((n-1 (- n 1)) (before (take n-1 list)) (after (last list (- (length list) n-1)))) (append before (list elt) after))) (defun emms-stream-get-bookmark-at-point () "Returns the bookmark under point." (get-text-property (point) 'emms-stream)) (defun emms-stream-redisplay () (let ((inhibit-read-only t)) (erase-buffer) (goto-char 1) (emms-stream-display))) (defun emms-stream-add-bookmark (name url fd type) "Creates a new bookmark, and inserts it at point position. Don't forget to run `emms-stream-save-bookmarks-file' after !" (interactive "sName of the bookmark: sURL: nFeed descriptor: SType (url or streamlist): ") (let* ((line (emms-stream-line-number-at-pos (point))) (index (+ (/ line 2) 1))) (setq emms-stream-list (insert-at index (list name url fd type) emms-stream-list)) (emms-stream-redisplay) (goto-line line))) (defun emms-stream-delete-bookmark () "Deletes the bookmark under the point. Don't forget to save your modifications !" (interactive) (let ((line (emms-stream-line-number-at-pos (point)))) (setq emms-stream-list (remove (emms-stream-get-bookmark-at-point) emms-stream-list)) (emms-stream-redisplay) (goto-line line))) (defun emms-stream-edit-bookmark () "Change the information of current bookmark." (interactive) (let* ((bookmark (emms-stream-get-bookmark-at-point)) (name (read-from-minibuffer "Description: " (emms-stream-name bookmark))) (url (read-from-minibuffer "URL: " (emms-stream-url bookmark))) (fd (read-from-minibuffer "Feed Descriptor: " (int-to-string (emms-stream-fd bookmark)))) (type (read-from-minibuffer "Type (url or streamlist): " (format "%s" (emms-stream-type bookmark))))) (emms-stream-delete-bookmark) (emms-stream-add-bookmark name url (string-to-int fd) type))) (defun emms-stream-name (el) (car el)) (defun emms-stream-url (el) (cadr el)) (defun emms-stream-fd (el) (caddr el)) (defun emms-stream-type (el) (cadddr el)) (defun emms-stream-play () (interactive) (let* ((line (get-text-property (point) 'emms-stream)) (name (emms-stream-name line)) (url (emms-stream-url line)) (fd (emms-stream-fd line)) (type (emms-stream-type line)) (player (read (concat "emms-" emms-stream-default-action "-" (format "%s" type))))) (setq emms-stream-last-stream line) ;; (funcall emms-stream-default-action url) (funcall player url) (if (string= emms-stream-default-action "add") (message "URL added to playlist"))) (later-do 'emms-mode-line-alter) (run-hooks 'emms-stream-play-hook)) (defun emms-stream-info-bookmark () "Return the station and track information for the streaming audio station under point." (interactive) (if (fboundp 'emms-stream-info-message) (let* ((line (get-text-property (point) 'emms-stream)) (url (emms-stream-url line))) (emms-stream-info-message url)) (message "Streaming media info not available."))) ;; Navigation (defun emms-stream-next-line () (interactive) (forward-line 2)) (defun emms-stream-previous-line () (interactive) (forward-line -2)) (defun emms-stream-quit () (interactive) (kill-this-buffer) (run-hooks 'emms-stream-quit-hook)) (defun emms-stream-toggle-default-action () (interactive) (if (string= emms-stream-default-action "play") (progn (setq emms-stream-default-action "add") (message "Default action is now add")) (setq emms-stream-default-action "play") (message "Default action is now play"))) ;; info part (define-emms-info-method emms-info-url :providep 'emms-info-url-providep :get 'emms-info-url-get) ;; :set 'emms-info-url-set) ;; A way to get the last element. it is either the only one, or the ;; last one added by emms-add-url. so in both cases, that's what we ;; want. ;; FIXME : not working with the new design. Yrk ? (defun emms-stream-last-element () (elt emms-playlist (- (length emms-playlist) 1))) (defun emms-info-url-providep (track) (if (eq (emms-track-type track) 'url) t nil)) (defun emms-info-url-get (track) (make-emms-info :title (emms-stream-url (emms-track-get track 'metadata)) :artist (emms-stream-name (emms-track-get track 'metadata)) :album " " :note " " :year " " :genre " " :file (emms-stream-url (emms-track-get track 'metadata)))) ;; Then you register it with emms-info, by adding it to ;; `emms-info-methods-list'. (add-to-list 'emms-info-methods-list 'emms-info-url) (defun emms-info-file-info-song-artist (track) "Returns a description of TRACK, build from its comments. If `emms-info-methods-list' indicates how to retrieve special info about it, use this. Otherwise returns the name alone." (if (not (and track (emms-track-name track))) "Invalid track!" (let ((info (emms-info-get track))) (if (eq (emms-info-method-for track) 'emms-info-url) (progn (concat (emms-info-artist info) " - " (emms-info-title info))) (if (and info (not (string= (emms-info-artist info) "")) (not (string= (emms-info-title info) ""))) (concat (emms-info-artist info) " - " (emms-info-title info)) (file-name-sans-extension (file-name-nondirectory (emms-track-name track)))))))) (defun emms-stream-add-data-to-track (track) (emms-track-set track 'metadata emms-stream-last-stream)) (setq emms-track-initialize-functions '(emms-stream-add-data-to-track)) (when (featurep 'emms-info) (eval-when-compile (require 'emms-info)) ; appease byte-compiler (add-to-list 'emms-info-methods-list 'emms-info-streamlist) (defun emms-info-streamlist-providep (track) (if (eq (emms-track-type track) 'streamlist) t nil)) (define-emms-info-method emms-info-streamlist ;; FIXME-PLS ? :providep 'emms-info-streamlist-providep ;; FIXME-PLS ? :get 'emms-info-url-get)) (provide 'emms-streams) ;;; emms-streams.el ends here