The Synthesis ToolKit in C++ (STK)

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Instrmnt.h
1 #ifndef STK_INSTRMNT_H
2 #define STK_INSTRMNT_H
3
4 #include "Stk.h"
5
6 namespace stk {
7
8 /***************************************************/
17 /***************************************************/
18
19 class Instrmnt : public Stk
20 {
21 public:
23 Instrmnt( void ) { lastFrame_.resize( 1, 1, 0.0 ); };
24
26
29 virtual void clear( void ) {};
30
32 virtual void noteOn( StkFloat frequency, StkFloat amplitude ) = 0;
33
35 virtual void noteOff( StkFloat amplitude ) = 0;
36
38 virtual void setFrequency( StkFloat frequency );
39
41 virtual void controlChange(int number, StkFloat value);
42
44 unsigned int channelsOut( void ) const { return lastFrame_.channels(); };
45
47 const StkFrames& lastFrame( void ) const { return lastFrame_; };
48
50
58 StkFloat lastOut( unsigned int channel = 0 );
59
61
64 virtual StkFloat tick( unsigned int channel = 0 ) = 0;
65
67
74 virtual StkFrames& tick( StkFrames& frames, unsigned int channel = 0 ) = 0;
75
76 protected:
77
78 StkFrames lastFrame_;
79
80 };
81
82 inline void Instrmnt :: setFrequency( StkFloat frequency )
83 {
84 oStream_ << "Instrmnt::setFrequency: virtual setFrequency function call!";
85 handleError( StkError::WARNING );
86 }
87
88 inline StkFloat Instrmnt :: lastOut( unsigned int channel )
89 {
90 #if defined(_STK_DEBUG_)
91 if ( channel >= lastFrame_.channels() ) {
92 oStream_ << "Instrmnt::lastOut(): channel argument is invalid!";
93 handleError( StkError::FUNCTION_ARGUMENT );
94 }
95 #endif
96
97 return lastFrame_[channel];
98 }
99
100 inline void Instrmnt :: controlChange( int number, StkFloat value )
101 {
102 oStream_ << "Instrmnt::controlChange: virtual function call!";
103 handleError( StkError::WARNING );
104 }
105
106 } // stk namespace
107
108 #endif

The Synthesis ToolKit in C++ (STK)
©1995--2017 Perry R. Cook and Gary P. Scavone. All Rights Reserved.