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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
/* 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.
*
* $URL$
* $Id$
*
*/
// Music class
#ifndef TINSEL_MUSIC_H
#define TINSEL_MUSIC_H
#include "audio/midiplayer.h"
#include "audio/audiostream.h"
#include "audio/mixer.h"
#include "common/mutex.h"
class MidiParser;
namespace Tinsel {
bool PlayMidiSequence( // Plays the specified MIDI sequence through the sound driver
uint32 dwFileOffset, // handle of MIDI sequence data
bool bLoop); // Whether to loop the sequence
bool MidiPlaying(); // Returns TRUE if a Midi tune is currently playing
bool StopMidi(); // Stops any currently playing midi
void SetMidiVolume( // Sets the volume of the MIDI music. Returns the old volume
int vol); // new volume - 0..MAXMIDIVOL
int GetMidiVolume();
void OpenMidiFiles();
void DeleteMidiBuffer();
void CurrentMidiFacts(SCNHANDLE *pMidi, bool *pLoop);
void RestoreMidiFacts(SCNHANDLE Midi, bool Loop);
int GetTrackNumber(SCNHANDLE hMidi);
SCNHANDLE GetTrackOffset(int trackNumber);
void dumpMusic();
class MidiMusicPlayer : public Audio::MidiPlayer {
public:
MidiMusicPlayer();
virtual void setVolume(int volume);
void playXMIDI(byte *midiData, uint32 size, bool loop);
// void stop();
void pause();
void resume();
// MidiDriver_BASE interface implementation
virtual void send(uint32 b);
// 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; }
};
class PCMMusicPlayer : public Audio::AudioStream {
public:
PCMMusicPlayer();
~PCMMusicPlayer();
bool isPlaying() const;
bool isDimmed() const;
void getTunePlaying(void *voidPtr, int length);
void restoreThatTune(void *voidPtr);
void setMusicSceneDetails(SCNHANDLE hScript, SCNHANDLE hSegment, const char *fileName);
void setVolume(int volume);
void startPlay(int id);
void stopPlay();
bool getMusicTinselDimmed() const;
void dim(bool bTinselDim);
void unDim(bool bTinselUnDim);
void dimIteration();
void startFadeOut(int ticks);
void fadeOutIteration();
int readBuffer(int16 *buffer, const int numSamples);
bool isStereo() const { return false; }
bool endOfData() const { return _end; }
bool endOfStream() const { return false; }
int getRate() const { return 22050; }
protected:
enum State {
S_IDLE,
S_NEW,
S_MID,
S_END1,
S_END2,
S_END3,
S_NEXT,
S_STOP
};
struct MusicSegment {
uint32 numChannels;
uint32 bitsPerSec;
uint32 bitsPerSample;
uint32 sampleLength;
uint32 sampleOffset;
};
Audio::SoundHandle _handle;
Audio::AudioStream *_curChunk;
Common::Mutex _mutex;
bool _end;
int _silenceSamples;
State _state, _mState;
bool _forcePlay;
int32 _scriptNum;
int32 _scriptIndex;
SCNHANDLE _hScript;
SCNHANDLE _hSegment;
char *_fileName;
uint8 _volume;
bool _dimmed;
bool _dimmedTinsel;
uint8 _dimmedVolume;
int _dimIteration;
int _dimPosition;
uint8 _fadeOutVolume;
int _fadeOutIteration;
void play();
void stop();
void setVol(uint8 volume);
bool getNextChunk();
};
} // End of namespace Tinsel
#endif
|
