+;;; Gacela, a GNU Guile extension for fast games development
+;;; Copyright (C) 2009 by Javier Sancho Fernandez <jsf at jsancho dot org>
+;;;
+;;; 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 3 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, see <http://www.gnu.org/licenses/>.
+
+
+(define-module (gacela audio)
+ #:use-module (gacela sdl)
+ #:export (init-audio
+ quit-audio))
+
+
+(define init-audio #f)
+(define quit-audio #f)
+
+(let ((audio #f))
+ (set! init-audio
+ (lambda ()
+ (cond ((not audio)
+ (SDL_Init SDL_INIT_AUDIO)
+ (set! audio (Mix_OpenAudio 22050 MIX_DEFAULT_FORMAT 2 4096))))))
+
+ (set! quit-audio
+ (lambda ()
+ (Mix_CloseAudio)
+ (set! audio #f))))