adlibmusic.h

/* 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