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engines/sky/music/adlibmusic.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 SKY_MUSIC_ADLIBMUSIC_H
+#define SKY_MUSIC_ADLIBMUSIC_H
+
+#include "sky/music/musicbase.h"
+
+namespace Audio {
+class Mixer;
+}
+
+namespace OPL {
+class OPL;
+}
+
+namespace Sky {
+
+class AdLibMusic : public MusicBase {
+public:
+	AdLibMusic(Audio::Mixer *pMixer, Disk *pDisk);
+	~AdLibMusic() override;
+
+	// AudioStream API
+	void setVolume(uint16 param) override;
+
+private:
+	OPL::OPL *_opl;
+	uint8 *_initSequence;
+	uint32 _sampleRate;
+	void setupPointers() override;
+	void setupChannels(uint8 *channelData) override;
+	void startDriver() override;
+
+	void premixerCall(int16 *buf, uint len);
+
+	void onTimer();
+};
+
+} // End of namespace Sky
+
+#endif //ADLIBMUSIC_H