From 67f5263943276faee0de53d947b6191205ae7a43 Mon Sep 17 00:00:00 2001 From: William Xu Date: Tue, 17 Jun 2008 14:43:45 +0900 Subject: *.el -> lisp/*.el: Move lisp files into "lisp/" subdirectory. --- lisp/emms-volume-amixer.el | 67 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 lisp/emms-volume-amixer.el (limited to 'lisp/emms-volume-amixer.el') diff --git a/lisp/emms-volume-amixer.el b/lisp/emms-volume-amixer.el new file mode 100644 index 0000000..6bee5ab --- /dev/null +++ b/lisp/emms-volume-amixer.el @@ -0,0 +1,67 @@ +;;; emms-volume-amixer.el --- a mode for changing volume using amixer + +;; Copyright (C) 2006, 2007 Free Software Foundation, Inc. + +;; Author: Martin Schoenmakers + +;; This file is part of EMMS. + +;; EMMS 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 3, or (at your option) +;; any later version. +;; +;; EMMS 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 EMMS; see the file COPYING. If not, write to the +;; Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, +;; Boston, MA 02110-1301, USA. + +;;; Commentary: + +;; This file defines a few simple functions to raise or lower the volume +;; using amixer. It can be used stand-alone, though it's meant for usage +;; with EMMS, particularly with emms-volume.el + +;;; History: + +;; May 30 2006: First cleanup and collation of amixer functions into a +;; separate file for releasability. + +;;; Todo: + +;; There probably needs to be more configurability, which may in turn +;; mean adding some more functions. +;; Some of this could benefit from adding customize interfaces. + +;;; Code: + +(defcustom emms-volume-amixer-control "Master" + "The control to change the volume with. +Controls includes \"Master\", \"PCM\", etc. For a full list of available +controls, run `amixer controls' in a shell." + :type '(choice (const :tag "Master" "Master") + (const :tag "PCM" "PCM") + (string :tag "Something else: ")) + :group 'emms-volume) + +;;;###autoload +(defun emms-volume-amixer-change (amount) + "Change amixer master volume by AMOUNT." + (message "Playback channels: %s" + (with-temp-buffer + (when (zerop + (call-process "amixer" nil (current-buffer) nil + "sset" emms-volume-amixer-control + (format "%d%%%s" (abs amount) + (if (< amount 0) "-" "+")))) + (if (re-search-backward "\\[\\([0-9]+%\\)\\]" nil t) + (match-string 1)))))) + +(provide 'emms-volume-amixer) + +;;; emms-volume-amixer.el ends here -- cgit v1.2.3