midimusicplayer.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 DRAGONS_MIDIMUSICPLAYER_H
#define DRAGONS_MIDIMUSICPLAYER_H
 
#include "audio/midiplayer.h"
#include "dragons/vabsound.h"
#include "dragons/bigfile.h"
 
namespace Dragons {
 
class MidiMusicPlayer : public Audio::MidiPlayer {
private:
    uint32 _midiDataSize;
public:
    MidiMusicPlayer(BigfileArchive *bigFileArchive);
    ~MidiMusicPlayer();
 
    void setVolume(int volume) override;
 
    void playSong(Common::SeekableReadStream *seqData);
 
    // The original sets the "sequence timing" to 109 Hz, whatever that
    // means. The default is 120.
    uint32 getBaseTempo()   { return _driver ? (109 * _driver->getBaseTempo()) / 120 : 0; }
 
    void sendToChannel(byte channel, uint32 b) override;
private:
    byte *resizeMidiBuffer(uint32 desiredSize);
    Common::SeekableReadStream *loadSoundFont(BigfileArchive *bigFileArchive);
};
 
} // End of namespace Dragons
 
#endif //DRAGONS_MIDIMUSICPLAYER_H