klang::Envelope::Follower::Window< WINDOW >

Window-based envelope follower. More...

#include <klang.h>

Inheritance diagram for klang::Envelope::Follower::Window< WINDOW >:

Public Types
using	Process = void(Window::*)()

Public Member Functions
	Window ()
void	set (param attack, param release)
Window &	operator= (klang::Mode mode)
void	process ()
void	mean ()
void	rms ()
	operator const signal & () override
	operator const signal & () const override
Modifier< signal > &	operator() (params... p)
virtual const signal &	input () const
virtual void	input (const signal &source)
virtual void	operator<< (const signal &source)
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
AR	ar
buffer	buffer
double	sum = 0
Process	_process = &Window::rms
signal	in
signal	out

Static Public Attributes
static constexpr constant	window = { WINDOW }

Detailed Description

template<int WINDOW>
struct klang::Envelope::Follower::Window< WINDOW >

Definition at line 4427 of file klang.h.

Member Typedef Documentation

Process

template<int WINDOW>

using klang::Envelope::Follower::Window< WINDOW >::Process = void(Window::*)()

Definition at line 4447 of file klang.h.

Constructor & Destructor Documentation

Window()

template<int WINDOW>

klang::Envelope::Follower::Window< WINDOW >::Window ( )

inline

Definition at line 4434 of file klang.h.

               : buffer(WINDOW, 0) {
        set(0.01f, 0.1f);
      }

Member Function Documentation

input() [1/3]

virtual void klang::Generic::Input< signal >::input ( )

inlineprotectedvirtualinherited

Reimplemented in klang::Debug, klang::Delay< SIZE >, klang::Generic::Function< signal, Args... >, and klang::Generic::Graph< SIZE >::Series.

Definition at line 1351 of file klang.h.

{ }

input() [2/3]

virtual const signal & klang::Generic::Input< signal >::input ( ) const

inlinevirtualinherited

Reimplemented in klang::Generic::Graph< SIZE >::Series.

Definition at line 1343 of file klang.h.

{ return in; }

input() [3/3]

virtual void klang::Generic::Input< signal >::input ( const signal & source )

inlinevirtualinherited

Definition at line 1347 of file klang.h.

{ in = source; input(); }

mean()

template<int WINDOW>

void klang::Envelope::Follower::Window< WINDOW >::mean ( )

inline

Definition at line 4452 of file klang.h.

                  { 
        sum -= double(buffer);
        abs(in) >> buffer;
        sum += double(buffer++);
        if (buffer.finished())
          buffer.rewind();
        sum * window.inv >> ar >> out;
      }

operator const signal &() [1/2]

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

inlineoverridevirtualinherited

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

Definition at line 1450 of file klang.h.

{ return out; } // return last output

operator const signal &() [2/2]

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

inlineoverridevirtualinherited

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

Definition at line 1449 of file klang.h.

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

operator()()

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

inlineinherited

Definition at line 1457 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<<()

virtual void klang::Generic::Input< signal >::operator<< ( const signal & source )

inlinevirtualinherited

Definition at line 1346 of file klang.h.

{ in = source; input(); }

operator=()

template<int WINDOW>

Window & klang::Envelope::Follower::Window< WINDOW >::operator= ( klang::Mode mode )

inline

Definition at line 4442 of file klang.h.

                                        {
        _process = (mode == RMS) ? &Window::rms : &Window::mean;
        return *this;
      }

operator>>()

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

inlineinherited

Definition at line 1364 of file klang.h.

{ process(); return destination = out; }

output()

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

inlinevirtualinherited

Definition at line 1360 of file klang.h.

{ return out; }

process()

template<int WINDOW>

void klang::Envelope::Follower::Window< WINDOW >::process ( )

inlinevirtual

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

Definition at line 4450 of file klang.h.

{ (this->*_process)(); }

rms()

template<int WINDOW>

void klang::Envelope::Follower::Window< WINDOW >::rms ( )

inline

Definition at line 4460 of file klang.h.

                 {  
        sum -= double(buffer);
        (in * in) >> buffer;
        sum += double(buffer++);
        if (buffer.finished())
          buffer.rewind();
        sum* window.inv >> sqrt >> ar >> out;
      }

set()

template<int WINDOW>

void klang::Envelope::Follower::Window< WINDOW >::set ( param attack, param release )

inline

Definition at line 4438 of file klang.h.

                                            {
        ar.set(attack, release);
      }

Member Data Documentation

_process

template<int WINDOW>

Process klang::Envelope::Follower::Window< WINDOW >::_process = &Window::rms

Definition at line 4448 of file klang.h.

ar

template<int WINDOW>

AR klang::Envelope::Follower::Window< WINDOW >::ar

Definition at line 4429 of file klang.h.

buffer

template<int WINDOW>

buffer klang::Envelope::Follower::Window< WINDOW >::buffer

Definition at line 4430 of file klang.h.

in

signal klang::Generic::Input< signal >::in

inherited

Definition at line 1340 of file klang.h.

{ 0.f };

out

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

inherited

Definition at line 1357 of file klang.h.

{ 0.f };

sum

template<int WINDOW>

double klang::Envelope::Follower::Window< WINDOW >::sum = 0

Definition at line 4431 of file klang.h.

window

template<int WINDOW>

constant klang::Envelope::Follower::Window< WINDOW >::window = { WINDOW }

staticconstexpr

Definition at line 4432 of file klang.h.

{ WINDOW };