/usr/include/stk/Sampler.h is in libstk0-dev 4.4.4-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | #ifndef STK_SAMPLER_H
#define STK_SAMPLER_H
#include "Instrmnt.h"
#include "ADSR.h"
#include "FileLoop.h"
#include "OnePole.h"
namespace stk {
/***************************************************/
/*! \class Sampler
\brief STK sampling synthesis abstract base class.
This instrument provides an ADSR envelope, a one-pole filter, and
structures for an arbitrary number of attack and looped files.
by Perry R. Cook and Gary P. Scavone, 1995-2012.
*/
/***************************************************/
class Sampler : public Instrmnt
{
public:
//! Default constructor.
Sampler( void );
//! Class destructor.
virtual ~Sampler( void );
//! Reset and clear all internal state.
void clear( void );
//! Set instrument parameters for a particular frequency.
virtual void setFrequency( StkFloat frequency ) = 0;
//! Initiate the envelopes with a key-on event and reset the attack waves.
void keyOn( void );
//! Signal a key-off event to the envelopes.
void keyOff( void );
//! Stop a note with the given amplitude (speed of decay).
virtual void noteOff( StkFloat amplitude );
//! Perform the control change specified by \e number and \e value (0.0 - 128.0).
virtual void controlChange( int number, StkFloat value ) = 0;
//! Compute and return one output sample.
virtual StkFloat tick( unsigned int channel = 0 ) = 0;
//! Fill a channel of the StkFrames object with computed outputs.
/*!
The \c channel argument must be less than the number of
channels in the StkFrames argument (the first channel is specified
by 0). However, range checking is only performed if _STK_DEBUG_
is defined during compilation, in which case an out-of-range value
will trigger an StkError exception.
*/
virtual StkFrames& tick( StkFrames& frames, unsigned int channel = 0 ) = 0;
protected:
ADSR adsr_;
std::vector<FileWvIn *> attacks_;
std::vector<FileLoop *> loops_;
OnePole filter_;
StkFloat baseFrequency_;
std::vector<StkFloat> attackRatios_;
std::vector<StkFloat> loopRatios_;
StkFloat attackGain_;
StkFloat loopGain_;
};
} // stk namespace
#endif
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