1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/* 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 SCI_MIDIPARSER_H
#define SCI_MIDIPARSER_H
#include "sci/resource.h"
#include "sci/sound/music.h"
#include "audio/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, SciMusic *music);
~MidiParser_SCI();
void mainThreadBegin();
void mainThreadEnd();
bool loadMusic(SoundResource::Track *track, MusicEntry *psnd, int channelFilterMask, SciVersion soundVersion);
bool loadMusic(byte *, uint32) {
return false;
}
void sendInitCommands();
void unloadMusic();
void setMasterVolume(byte masterVolume);
void setVolume(byte volume);
void stop() {
_abortParse = true;
allNotesOff();
}
void pause() {
allNotesOff();
if (_resetOnPause)
jumpToTick(0);
}
void allNotesOff();
const byte *getMixedData() const { return _mixedData; }
byte getSongReverb();
void sendFromScriptToDriver(uint32 midi);
void sendToDriver(uint32 midi);
void sendToDriver(byte status, byte firstOp, byte secondOp) {
sendToDriver(status | ((uint32)firstOp << 8) | ((uint32)secondOp << 16));
}
void remapChannel(int channel, int devChannel);
protected:
void parseNextEvent(EventInfo &info);
void processEvent(const EventInfo &info, bool fireEvents = true);
byte *midiMixChannels();
byte *midiFilterChannels(int channelMask);
byte midiGetNextChannel(long ticker);
void resetStateTracking();
void trackState(uint32 midi);
void sendToDriver_raw(uint32 midi);
SciMusic *_music;
// this is set, when main thread calls us -> we send commands to queue instead to driver
bool _mainThreadCalled;
SciVersion _soundVersion;
byte *_mixedData;
SoundResource::Track *_track;
MusicEntry *_pSnd;
uint32 _loopTick;
byte _masterVolume; // the overall master volume (same for all tracks)
byte _volume; // the global volume of the current track
bool _resetOnPause;
bool _channelUsed[16];
int16 _channelRemap[16];
bool _channelMuted[16];
byte _channelVolume[16];
struct ChannelState {
int8 _modWheel;
int8 _pan;
int8 _patch;
int8 _note;
bool _sustain;
int16 _pitchWheel;
int8 _voices;
};
ChannelState _channelState[16];
};
} // End of namespace Sci
#endif
|
