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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.
*
* $URL$
* $Id$
*
*/
#ifndef SKY_MUSIC_ADLIBMUSIC_H
#define SKY_MUSIC_ADLIBMUSIC_H
#include "sky/music/musicbase.h"
#include "sound/audiostream.h"
#include "sound/fmopl.h"
#include "sound/mixer.h"
namespace Sky {
class AdLibMusic : public Audio::AudioStream, public MusicBase {
public:
AdLibMusic(Audio::Mixer *pMixer, Disk *pDisk);
~AdLibMusic();
// AudioStream API
int readBuffer(int16 *buffer, const int numSamples);
bool isStereo() const;
bool endOfData() const;
int getRate() const;
virtual void setVolume(uint16 param);
private:
FM_OPL *_opl;
Audio::Mixer *_mixer;
Audio::SoundHandle _soundHandle;
uint8 *_initSequence;
uint32 _sampleRate, _nextMusicPoll;
virtual void setupPointers();
virtual void setupChannels(uint8 *channelData);
virtual void startDriver();
void premixerCall(int16 *buf, uint len);
};
} // End of namespace Sky
#endif //ADLIBMUSIC_H
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