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engines/kyra/sound/drivers/mlalf98.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/>.
+ *
+ */
+
+#ifdef ENABLE_EOB
+
+#ifndef KYRA_SOUND_MLALF98_H
+#define KYRA_SOUND_MLALF98_H
+
+#include "common/scummsys.h"
+#include "common/array.h"
+
+namespace Common {
+	class SeekableReadStream;
+}
+
+namespace Audio {
+	class Mixer;
+}
+
+namespace Kyra {
+
+class MLALF98Internal;
+
+class MLALF98 {
+public:
+	enum EmuType {
+		kType9801_26 = 1,
+		kType9801_86 = 2
+	};
+
+	struct ADPCMData {
+		ADPCMData() : smpStart(0), smpEnd(0), unk4(0), unk5(0), volume(0), unk7(0) {}
+		uint16 smpStart;
+		uint16 smpEnd;
+		uint8 unk4;
+		uint8 unk5;
+		uint8 volume;
+		uint8 unk7;
+	};
+
+	typedef Common::Array<ADPCMData> ADPCMDataArray;
+
+public:
+	MLALF98(Audio::Mixer *mixer, EmuType emuType);
+	~MLALF98();
+
+	// The caller has to dispose of the stream. The stream can be discarded
+	// immediately after calling the respective loader function.
+	void loadMusicData(Common::SeekableReadStream *data);
+	void loadSoundEffectData(Common::SeekableReadStream *data);
+	void loadExtData(ADPCMDataArray &data);
+
+	void startMusic(int track);
+	void fadeOutMusic();
+	void startSoundEffect(int track);
+
+	void allChannelsOff();
+	void resetExtUnit();
+
+	void setMusicVolume(int volume);
+	void setSoundEffectVolume(int volume);
+
+private:
+	MLALF98Internal *_drv;
+};
+
+} // End of namespace Kyra
+
+#endif
+
+#endif