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engines/scumm/imuse/drivers/macintosh.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 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/>.
+ *
+ */
+
+#ifndef SCUMM_IMUSE_DRV_MAC_H
+#define SCUMM_IMUSE_DRV_MAC_H
+
+#include "audio/mididrv.h"
+#include "scumm/players/mac_sound_lowlevel.h"
+
+namespace Audio {
+class Mixer;
+}
+
+namespace IMSMacintosh {
+class IMuseChannel_Macintosh;
+class IMSMacSoundSystem;
+struct ChanControlNode;
+} // End of namespace IMSMacintosh
+
+namespace Scumm {
+
+class IMuseDriver_Macintosh final : public MidiDriver {
+	friend class IMSMacintosh::IMuseChannel_Macintosh;
+public:
+	IMuseDriver_Macintosh(ScummEngine *vm, Audio::Mixer *mixer, byte gameID);
+	virtual ~IMuseDriver_Macintosh() override;
+
+	int open() override;
+	void close() override;
+
+	bool isOpen() const override { return _isOpen; }
+	uint32 property(int prop, uint32 param) override;
+	void setTimerCallback(void *timerParam, Common::TimerManager::TimerProc timerProc) override;
+	uint32 getBaseTempo() override { return _baseTempo; }
+	void send(uint32 b) override { error("%s():: Not implemented", __FUNCTION__); }
+
+	// Channel allocation functions
+	MidiChannel *allocateChannel() override;
+	MidiChannel *getPercussionChannel() override;
+
+private:
+	void createChannels();
+	void releaseChannels();
+
+	bool _isOpen;
+	uint32 _quality;
+	uint32 _musicVolume;
+	uint32 _sfxVolume;
+
+	IMSMacintosh::IMSMacSoundSystem *_device;
+	IMSMacintosh::IMuseChannel_Macintosh **_imsParts;
+	IMSMacintosh::ChanControlNode **_channels;
+
+	byte _numChannels;
+	byte _numParts;
+	uint32 _baseTempo;
+	int8 _version;
+};
+
+} // End of namespace Scumm
+
+#endif