CD Audio track support via MP3 on PalmOS

svn-id: r10373

1 files changed, 56 insertions, 0 deletions

diff --git a/backends/PalmOS/Src/cdaudio.h b/backends/PalmOS/Src/cdaudio.h
new file mode 100644
index 0000000000..69ec0d7ba5
--- /dev/null
+++ b/backends/PalmOS/Src/cdaudio.h
@@ -0,0 +1,56 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001  Ludvig Strigeus
+ * Copyright (C) 2001-2003 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+ 
+#ifndef CDAUDIO_H
+#define CDAUDIO_H
+
+#include "common/system.h"
+
+class CDAudio {
+public:	
+	CDAudio() {
+		_isInitialized = false;
+		_volumeLevel = 100;
+	};
+
+	virtual bool init() = 0;
+	virtual void release() = 0;
+	
+	// OSystem functions
+	virtual bool poll() = 0;
+	virtual void play(int track, int num_loops, int start_frame, int duration) = 0;
+	virtual void stop() = 0;
+	virtual void update() = 0;
+
+	// volume in percent
+	virtual void setVolume(int volume) { _volumeLevel = volume; }
+	virtual int getVolume() { return _volumeLevel; }
+
+	virtual void upVolume(int value) {};
+	virtual void downVolume(int value) {};
+
+protected:
+	int _volumeLevel;
+	bool _isInitialized;
+};
+
+#endif
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