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diff --git a/engines/scumm/player_mac.h b/engines/scumm/player_mac.h
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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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.
+ *
+ */
+
+#ifndef SCUMM_PLAYER_MAC_H
+#define SCUMM_PLAYER_MAC_H
+
+#include "common/scummsys.h"
+#include "common/util.h"
+#include "common/mutex.h"
+#include "scumm/music.h"
+#include "scumm/saveload.h"
+#include "audio/audiostream.h"
+#include "audio/mixer.h"
+
+#define RES_SND MKTAG('s', 'n', 'd', ' ')
+
+class Mixer;
+
+namespace Scumm {
+
+class ScummEngine;
+
+/**
+ * Scumm Macintosh music driver, base class.
+ */
+class Player_Mac : public Audio::AudioStream, public MusicEngine {
+public:
+	Player_Mac(ScummEngine *scumm, Audio::Mixer *mixer, int numberOfChannels, int channelMask, bool fadeNoteEnds);
+	virtual ~Player_Mac();
+
+	void init();
+
+	// MusicEngine API
+	virtual void setMusicVolume(int vol);
+	virtual void startSound(int sound);
+	virtual void stopSound(int sound);
+	virtual void stopAllSounds();
+	virtual int  getMusicTimer();
+	virtual int  getSoundStatus(int sound) const;
+
+	// AudioStream API
+	virtual int readBuffer(int16 *buffer, const int numSamples);
+	virtual bool isStereo() const { return false; }
+	virtual bool endOfData() const { return false; }
+	virtual int getRate() const { return _sampleRate; }
+
+	virtual void saveLoadWithSerializer(Serializer *ser);
+
+private:
+	Common::Mutex _mutex;
+	Audio::Mixer *const _mixer;
+	Audio::SoundHandle _soundHandle;
+	uint32 _sampleRate;
+	int _soundPlaying;
+
+	void stopAllSounds_Internal();
+
+	struct Instrument {
+		byte *_data;
+		uint32 _size;
+		uint32 _rate;
+		uint32 _loopStart;
+		uint32 _loopEnd;
+		byte _baseFreq;
+
+		uint _pos;
+		uint _subPos;
+
+		void newNote() {
+			_pos = 0;
+			_subPos = 0;
+		}
+
+		void generateSamples(int16 *data, int pitchModifier, int volume, int numSamples, int remainingSamplesOnNote, bool fadeNoteEnds);
+	};
+
+	int _pitchTable[128];
+	int _numberOfChannels;
+	int _channelMask;
+	bool _fadeNoteEnds;
+
+	virtual bool checkMusicAvailable() { return false; }
+	virtual bool loadMusic(const byte *ptr) { return false; }
+	virtual bool getNextNote(int ch, uint32 &samples, int &pitchModifier, byte &velocity) { return false; }
+
+protected:
+	struct Channel {
+		virtual ~Channel() {}
+
+		Instrument _instrument;
+		bool _looped;
+		uint32 _length;
+		const byte *_data;
+
+		uint _pos;
+		int _pitchModifier;
+		byte _velocity;
+		uint32 _remaining;
+
+		bool _notesLeft;
+
+		bool loadInstrument(Common::SeekableReadStream *stream);
+ 	};
+
+	ScummEngine *const _vm;
+	Channel *_channel;
+
+	uint32 durationToSamples(uint16 duration);
+	int noteToPitchModifier(byte note, Instrument *instrument);
+};
+
+} // End of namespace Scumm
+
+#endif