klang::Wavetable

Wavetable-based oscillator. More...

#include <klang.h>

Inheritance diagram for klang::Wavetable:

Public Member Functions
	Wavetable (int size=2048)
template<typename TYPE >
	Wavetable (TYPE oscillator, int size=2048)
signal &	operator[] (int index)
template<typename TYPE >
Wavetable &	operator= (TYPE &oscillator)
virtual void	set (param frequency) override
virtual void	set (param frequency, param phase) override
virtual void	set (relative phase) override
virtual void	set (param frequency, relative phase) override
void	process () override
virtual void	reset ()
Output< signal > &	operator() (params... p)
	operator const signal & () override
	operator const signal & () const override
virtual const signal &	output () const
TYPE &	operator>> (TYPE &destination)
signal	operator+ (TYPE &other)
signal	operator* (TYPE &other)
signal	operator- (TYPE &other)
signal	operator/ (TYPE &other)

Public Attributes
Frequency	frequency
Phase	offset
signal	out

Protected Attributes
buffer	buffer
const int	size
Phase	increment
Phase	position

Detailed Description

Definition at line 2557 of file klang.h.

Constructor & Destructor Documentation

Wavetable() [1/2]

klang::Wavetable::Wavetable ( int size = 2048 )

inline

Definition at line 2563 of file klang.h.

: buffer(size), size(size) { }

References klang::buffer::buffer(), and size.

Wavetable() [2/2]

template<typename TYPE >

klang::Wavetable::Wavetable ( TYPE oscillator, int size = 2048 )

inline

Definition at line 2566 of file klang.h.

                                                : buffer(size), size(size) {
      operator=(oscillator);
    }

References klang::buffer::buffer(), and size.

Referenced by klang::Generators::Wavetables::Saw::Saw(), and klang::Generators::Wavetables::Sine::Sine().

Member Function Documentation

operator const signal &() [1/2]

klang::Generic::Generator< signal >::operator const signal & ( ) const

inlineoverridevirtualinherited

Reimplemented from klang::Generic::Output< signal >.

Definition at line 1416 of file klang.h.

{ return out; } // return last output   

operator const signal &() [2/2]

klang::Generic::Generator< signal >::operator const signal & ( )

inlineoverridevirtualinherited

Reimplemented from klang::Generic::Output< signal >.

Definition at line 1415 of file klang.h.

{ process(); return out; } // return processed output   

operator()()

Output< signal > & klang::Generic::Generator< signal >::operator() ( params... p )

inlineinherited

Definition at line 1409 of file klang.h.

                                              {
        set(p...); return *this;
      }

operator*()

signal klang::Generic::Output< signal >::operator* ( TYPE & other )

inlineinherited

Definition at line 1372 of file klang.h.

{ process(); return out * (other); }

operator+()

signal klang::Generic::Output< signal >::operator+ ( TYPE & other )

inlineinherited

Definition at line 1371 of file klang.h.

{ process(); return out + (other); }

operator-()

signal klang::Generic::Output< signal >::operator- ( TYPE & other )

inlineinherited

Definition at line 1373 of file klang.h.

{ process(); return out - (other); }

operator/()

signal klang::Generic::Output< signal >::operator/ ( TYPE & other )

inlineinherited

Definition at line 1374 of file klang.h.

{ process(); return out / (other); }

operator=()

template<typename TYPE >

Wavetable & klang::Wavetable::operator= ( TYPE & oscillator )

inline

Definition at line 2575 of file klang.h.

                                           {
      oscillator.set(fs / size);
      for (int s = 0; s < size; s++)
        buffer[s] = oscillator;
      return *this;
    }

References klang::buffer::operator[](), and size.

operator>>()

TYPE & klang::Generic::Output< signal >::operator>> ( TYPE & destination )

inlineinherited

Definition at line 1364 of file klang.h.

{ process(); return destination = out; }

operator[]()

signal & klang::Wavetable::operator[] ( int index )

inline

Definition at line 2570 of file klang.h.

                                  {
      return buffer[index];
    }

References klang::buffer::operator[]().

output()

virtual const signal & klang::Generic::Output< signal >::output ( ) const

inlinevirtualinherited

Definition at line 1360 of file klang.h.

{ return out; }

process()

void klang::Wavetable::process ( )

inlineoverridevirtual

Implements klang::Generic::Output< signal >.

Definition at line 2602 of file klang.h.

                            {
      position += { increment, size };
      out = buffer[position + offset /*klang::increment(offset, size)*/];
    }

References klang::increment::increment(), klang::Phase::operator+=(), klang::buffer::operator[](), and size.

reset()

virtual void klang::Generic::Oscillator< signal >::reset ( )

inlinevirtualinherited

Reimplemented in klang::Generators::Fast::Sine.

Definition at line 1957 of file klang.h.

{ position = 0; }

set() [1/4]

virtual void klang::Wavetable::set ( param frequency )

inlineoverridevirtual

Reimplemented from klang::Generic::Oscillator< signal >.

Definition at line 2582 of file klang.h.

                                               {
      Oscillator::frequency = frequency;
      increment = frequency * (size / fs);
    }

References klang::signal::operator*(), and size.

Referenced by set(), and set().

set() [2/4]

virtual void klang::Wavetable::set ( param frequency, param phase )

inlineoverridevirtual

Reimplemented from klang::Generic::Oscillator< signal >.

Definition at line 2587 of file klang.h.

                                                            {
      position = phase * float(size);
      set(frequency);
    }

References klang::signal::operator*(), set(), and size.

set() [3/4]

virtual void klang::Wavetable::set ( param frequency, relative phase )

inlineoverridevirtual

Reimplemented from klang::Generic::Oscillator< signal >.

Definition at line 2597 of file klang.h.

                                                               {
      set(frequency);
      set(phase);
    }

References set(), and set().

set() [4/4]

virtual void klang::Wavetable::set ( relative phase )

inlineoverridevirtual

Reimplemented from klang::Generic::Oscillator< signal >.

Definition at line 2592 of file klang.h.

                                              {
      
      offset = phase * float(size);
    }

References klang::signal::operator*(), and size.

Referenced by set().

Member Data Documentation

buffer

buffer klang::Wavetable::buffer

protected

Definition at line 2560 of file klang.h.

frequency

Frequency klang::Generic::Oscillator< signal >::frequency

inherited

Definition at line 1953 of file klang.h.

increment

Phase klang::Generic::Oscillator< signal >::increment

protectedinherited

Definition at line 1950 of file klang.h.

offset

Phase klang::Generic::Oscillator< signal >::offset

inherited

Definition at line 1954 of file klang.h.

out

signal klang::Generic::Output< signal >::out

inherited

Definition at line 1357 of file klang.h.

{ 0.f };

position

Phase klang::Generic::Oscillator< signal >::position

protectedinherited

Definition at line 1951 of file klang.h.

size

const int klang::Wavetable::size

protected

Definition at line 2561 of file klang.h.

Referenced by Wavetable(), Wavetable(), operator=(), process(), set(), set(), and set().