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/* ScummVM - Scumm Interpreter
 * Copyright (C) 2001  Ludvig Strigeus
 * Copyright (C) 2001/2002 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.
 *
 * $Header$
 *
 */

class IMuseInternal;

class IMuse {
public:
	enum {
		PROP_TEMPO_BASE = 1,
	};

	IMuse();
	~IMuse();

	void on_timer();	// For the MacOS 9 port only
	void pause(bool paused);
	int save_or_load(Serializer *ser, Scumm *scumm);
	int set_music_volume(uint vol);
	int get_music_volume();
	int set_master_volume(uint vol);
	int get_master_volume();
	bool start_sound(int sound);
	int stop_sound(int sound);
	int stop_all_sounds();
	int get_sound_status(int sound);
	int32 do_command(int a, int b, int c, int d, int e, int f, int g, int h);
	int clear_queue();
	void setBase(byte **base);
	uint32 property(int prop, uint32 value);

	static IMuse *create(OSystem *syst, MidiDriver *midi, SoundMixer *mixer);

	static IMuse *create_adlib(OSystem *syst, SoundMixer *mixer) { return create(syst, NULL, mixer); }
	static IMuse *create_midi(OSystem *syst, MidiDriver *midi) { return create(syst, midi, NULL); }

private:
	IMuseInternal	*_imuse;	// Pointer to the real imuse object
};