macintosh.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 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