1 files changed, 65 insertions, 0 deletions
diff --git a/backends/platform/PalmOS/Src/cdaudio.h b/backends/platform/PalmOS/Src/cdaudio.h
new file mode 100644
index 0000000000..1c1d42e7e9
--- /dev/null
+++ b/backends/platform/PalmOS/Src/cdaudio.h
@@ -0,0 +1,65 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001  Ludvig Strigeus
+ * Copyright (C) 2001-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+ 
+#ifndef CDAUDIO_H
+#define CDAUDIO_H
+
+#include "common/system.h"
+
+// CD frames are 1/75 sec
+#define CD_FPS			75
+#define TO_MSECS(frame)	((UInt32)((frame) * 1000 / CD_FPS))
+
+// consider frame at 1/1000 sec
+#define FROM_MIN(mins)	((UInt32)((mins) * 60 * 1000))
+#define FROM_SEC(secs)	((UInt32)((secs) * 1000))
+
+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() const { return _volumeLevel; }
+
+	virtual void upVolume(int value) {};
+	virtual void downVolume(int value) {};
+
+protected:
+	int _volumeLevel;
+	bool _isInitialized;
+};
+
+#endif