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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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef GOB_SOUND_ADLPLAYER_H
#define GOB_SOUND_ADLPLAYER_H
#include "common/array.h"
#include "gob/sound/adlib.h"
namespace Common {
class SeekableReadStream;
}
namespace Gob {
/** A player for Coktel Vision's ADL music format. */
class ADLPlayer : public AdLib {
public:
ADLPlayer(Audio::Mixer &mixer);
~ADLPlayer();
bool load(Common::SeekableReadStream &adl);
bool load(const byte *data, uint32 dataSize, int index = -1);
void unload();
int getIndex() const;
protected:
// AdLib interface
uint32 pollMusic(bool first);
void rewind();
private:
struct Timbre {
uint16 startParams[kOperatorsPerVoice * kParamCount];
uint16 params[kOperatorsPerVoice * kParamCount];
};
uint8 _soundMode;
Common::Array<Timbre> _timbres;
byte *_songData;
uint32 _songDataSize;
const byte *_playPos;
int _index;
uint8 _modifyInstrument;
uint16 _currentInstruments[kMaxVoiceCount];
void setInstrument(int voice, int instrument);
bool readHeader (Common::SeekableReadStream &adl, int &timbreCount);
bool readTimbres (Common::SeekableReadStream &adl, int timbreCount);
bool readSongData(Common::SeekableReadStream &adl);
uint32 getSampleDelay(uint16 delay) const;
};
} // End of namespace Gob
#endif // GOB_SOUND_ADLPLAYER_H
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