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Sampler.h
1 #ifndef STK_SAMPLER_H
2 #define STK_SAMPLER_H
3 
4 #include "Instrmnt.h"
5 #include "ADSR.h"
6 #include "FileLoop.h"
7 #include "OnePole.h"
8 
9 namespace stk {
10 
11 /***************************************************/
20 /***************************************************/
21 
22 class Sampler : public Instrmnt
23 {
24  public:
26  Sampler( void );
27 
29  virtual ~Sampler( void );
30 
32  virtual void setFrequency( StkFloat frequency ) = 0;
33 
35  void keyOn( void );
36 
38  void keyOff( void );
39 
41  virtual void noteOff( StkFloat amplitude );
42 
44  virtual void controlChange( int number, StkFloat value ) = 0;
45 
47  virtual StkFloat tick( unsigned int channel = 0 ) = 0;
48 
50 
57  virtual StkFrames& tick( StkFrames& frames, unsigned int channel = 0 ) = 0;
58 
59  protected:
60 
61  ADSR adsr_;
62  std::vector<FileWvIn *> attacks_;
63  std::vector<FileLoop *> loops_;
64  OnePole filter_;
65  StkFloat baseFrequency_;
66  std::vector<StkFloat> attackRatios_;
67  std::vector<StkFloat> loopRatios_;
68  StkFloat attackGain_;
69  StkFloat loopGain_;
70 
71 };
72 
73 } // stk namespace
74 
75 #endif
stk::OnePole
STK one-pole filter class.
Definition: OnePole.h:21
stk::ADSR
STK ADSR envelope class.
Definition: ADSR.h:25
stk::Sampler::noteOff
virtual void noteOff(StkFloat amplitude)
Stop a note with the given amplitude (speed of decay).
stk::Sampler::setFrequency
virtual void setFrequency(StkFloat frequency)=0
Set instrument parameters for a particular frequency.
stk::Sampler::tick
virtual StkFrames & tick(StkFrames &frames, unsigned int channel=0)=0
Fill a channel of the StkFrames object with computed outputs.
stk::StkFrames
An STK class to handle vectorized audio data.
Definition: Stk.h:276
stk::Sampler::tick
virtual StkFloat tick(unsigned int channel=0)=0
Compute and return one output sample.
stk::Sampler::keyOff
void keyOff(void)
Signal a key-off event to the envelopes.
stk::Sampler::keyOn
void keyOn(void)
Initiate the envelopes with a key-on event and reset the attack waves.
stk::Sampler::controlChange
virtual void controlChange(int number, StkFloat value)=0
Perform the control change specified by number and value (0.0 - 128.0).
stk::Sampler::~Sampler
virtual ~Sampler(void)
Class destructor.
stk::Sampler::Sampler
Sampler(void)
Default constructor.
stk
The STK namespace.
Definition: ADSR.h:6
stk::Instrmnt
STK instrument abstract base class.
Definition: Instrmnt.h:20
stk::Sampler
STK sampling synthesis abstract base class.
Definition: Sampler.h:23

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