xref: /haiku/src/tests/kits/midi/synth_file_reader/SynthFile.h (revision 4c8e85b316c35a9161f5a1c50ad70bc91c83a76f)
1 /*
2 
3 SynthFile.h
4 
5 Copyright (c) 2002 Haiku.
6 
7 Author:
8 	Michael Pfeiffer
9 
10 Permission is hereby granted, free of charge, to any person obtaining a copy of
11 this software and associated documentation files (the "Software"), to deal in
12 the Software without restriction, including without limitation the rights to
13 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
14 of the Software, and to permit persons to whom the Software is furnished to do
15 so, subject to the following conditions:
16 
17 The above copyright notice and this permission notice shall be included in all
18 copies or substantial portions of the Software.
19 
20 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
26 THE SOFTWARE.
27 
28 */
29 
30 #ifndef _SYNTH_FILE_H
31 #define _SYNTH_FILE_H
32 
33 #include "SynthFileReader.h"
34 #include <ObjectList.h>
35 
36 
37 class SSound {
38 	uint32  fOffset;
39 	uint16  fId;
40 	BString fName;
41 	void*   fSamples;
42 	int32   fFrameCount;
43 	int16   fSampleSize;
44 	int16   fChannelCount;
45 
46 	SSound() { }
47 public:
48 	SSound(uint16 id);
49 
50 	uint16 Id() const               { return fId; }
51 
52 	void        SetName(const char* name) { fName = name; }
53 	const char* Name() const              { return fName.String(); }
54 
55 	void   SetSample(void* samples, int32 frameCount, int16 sampleSize, int16 channelCount);
56 	void*  Samples() const          { return fSamples; }
57 	int32  FrameCount() const       { return fFrameCount; }
58 	int16  SampleSize() const       { return fSampleSize; }
59 	int16  ChannelCount() const     { return fChannelCount; }
60 
61 	bool   HasSamples() const       { return fSamples != NULL; }
62 
63 	void   SetOffset(uint32 offset) { fOffset = offset; }
64 	uint32 Offset() const           { return fOffset; }
65 };
66 
67 
68 class SSoundInRange {
69 	uint8   fNoteStart;
70 	uint8   fNoteEnd;
71 	SSound* fSound;
72 
73 	SSoundInRange() { }
74 public:
75 	SSoundInRange(uint8 start, uint8 end, SSound* sound);
76 
77 	uint8  Start() const    { return fNoteStart; }
78 	uint8  End() const      { return fNoteEnd; }
79 	SSound* Sound() const   { return fSound; }
80 };
81 
82 
83 class SInstrument {
84 	uint32               fOffset;
85 	uint8                fId;
86 	BString              fName;
87 	SSound*              fDefaultSound;
88 	BObjectList<SSoundInRange> fSounds;
89 
90 public:
91 	SInstrument(uint8 instrument);
92 
93 	void SetOffset(uint32 offset)              { fOffset = offset; }
94 	uint32 Offset() const                      { return fOffset; }
95 
96 	uint8 Id() const                           { return fId; }
97 
98 	void SetName(const char* name)             { fName = name; }
99 	const char* Name() const                   { return fName.String(); }
100 
101 	void SetDefaultSound(SSound* sound)        { fDefaultSound = sound; }
102 	SSound*               DefaultSound() const { return fDefaultSound; }
103 
104 	BObjectList<SSoundInRange>* Sounds()       { return &fSounds; }
105 };
106 
107 
108 class SSynthFile;
109 
110 class SSynthFile {
111 	BObjectList<SInstrument> fInstruments;
112 	BObjectList<SSound>      fSounds;
113 	SSynthFileReader   fReader;
114 	status_t           fStatus;
115 
116 	void InstrumentAtPut(int i, SInstrument* instr);
117 	SSound* FindSound(uint16 sound);
118 
119 public:
120 	SSynthFile(const char* fileName);
121 	status_t InitCheck() const { return fReader.InitCheck(); }
122 
123 
124 	SSound*      GetSound(uint16 sound);
125 	bool         HasInstrument(uint8 instrument) const;
126 	SInstrument* GetInstrument(uint8 instrument);
127 
128 	void Dump();
129 };
130 
131 #endif
132