mlalf98.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/>.
 *
 */

#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