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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 SCI_MIDIPARSER_H
#define SCI_MIDIPARSER_H
#include "sci/resource.h"
#include "sci/sound/music.h"
#include "sound/midiparser.h"
/*
Sound drivers info: (from driver cmd0)
AdLib/SB : track 0 , voices 9 , patch 3 ah=1
ProAudioSp: track 0 , voices 9 , patch 3 ah=17
GenerlMIDI: track 7 , voices 32, patch 4 ah=1 SCI1.1
Game Blast: track 9 , voices 12, patch 101 ah=1
MT-32 : track 12, voices 32, patch 1 ah=1
PC Speaker: track 18, voices 1 , patch 0xFF ah=1
Tandy : track 19, voices 3 , patch 101 ah=1
IBM PS/1 : track 19, voices 3 , patch 101 ah=1
*/
namespace Sci {
/**
* An extended standard MIDI (SMF) parser. Sierra used an extra channel
* with special commands for extended functionality and animation syncing.
* Refer to MidiParser_SMF() in /sound/midiparser_smf.cpp for the standard
* MIDI (SMF) parser functionality that the SCI MIDI parser is based on
*/
class MidiParser_SCI : public MidiParser {
public:
MidiParser_SCI(SciVersion soundVersion);
~MidiParser_SCI();
bool loadMusic(SoundResource::Track *track, MusicEntry *psnd, int channelFilterMask, SciVersion soundVersion);
bool loadMusic(byte *, uint32) {
return false;
}
void unloadMusic();
void setVolume(byte volume);
void stop() {
_abort_parse = true;
allNotesOff();
}
void pause() {
allNotesOff();
if (_resetOnPause)
jumpToTick(0);
}
protected:
void parseNextEvent(EventInfo &info);
byte *midiMixChannels();
byte *midiFilterChannels(int channelMask);
byte midiGetNextChannel(long ticker);
SciVersion _soundVersion;
byte *_mixedData;
SoundResource::Track *_track;
MusicEntry *_pSnd;
uint32 _loopTick;
byte _volume;
bool _signalSet;
int16 _signalToSet;
bool _dataincAdd;
int16 _dataincToAdd;
bool _resetOnPause;
// A 16-bit mask, containing the channels used
// by the currently parsed song
uint16 _channelsUsed;
};
} // End of namespace Sci
#endif
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