#include <doublebufferfifo.h>

Public Member Functions
	DoubleBufferFIFO (int size)

	~DoubleBufferFIFO ()

void	resize (int size)

void	write (const T &element)

T &	readBack (int delay)

void	zeroBack (int delay)

Private Attributes
int	m_size

T *	m_data

int	m_writeIndex

int	m_currentIndex

Detailed Description

template<typename T>
class DoubleBufferFIFO< T >

Definition at line 23 of file doublebufferfifo.h.

Constructor & Destructor Documentation

◆ DoubleBufferFIFO()

template<typename T>

DoubleBufferFIFO< T >::DoubleBufferFIFO ( int size )

inline

Definition at line 26 of file doublebufferfifo.h.

                                : m_size(size), m_writeIndex(0), m_currentIndex(0)
     {
         m_data = new T[2*m_size];
     }

◆ ~DoubleBufferFIFO()

template<typename T>

DoubleBufferFIFO< T >::~DoubleBufferFIFO ( )

inline

Definition at line 31 of file doublebufferfifo.h.

     {
         delete[] m_data;
     }

Member Function Documentation

◆ readBack()

template<typename T>

T& DoubleBufferFIFO< T >::readBack ( int delay )

inline

Definition at line 58 of file doublebufferfifo.h.

Referenced by DSDDemod::feed(), AMDemod::processOneSample(), NFMDemod::processOneSample(), and SSBDemod::processOneSample().

     {
         if (delay > m_size) {
             delay = m_size;
         }
 
         return m_data[m_currentIndex + m_size - delay];
     }

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◆ resize()

template<typename T>

void DoubleBufferFIFO< T >::resize ( int size )

inline

Definition at line 36 of file doublebufferfifo.h.

Referenced by AMDemod::applyAudioSampleRate().

     {
         delete[] m_data;
         m_size = size;
         m_data = new T[2*m_size];
         m_writeIndex = 0;
         m_currentIndex = 0;
     }

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◆ write()

template<typename T>

void DoubleBufferFIFO< T >::write ( const T & element )

inline

Definition at line 45 of file doublebufferfifo.h.

Referenced by DSDDemod::feed(), AMDemod::processOneSample(), NFMDemod::processOneSample(), and SSBDemod::processOneSample().

     {
         m_data[m_writeIndex] = element;
         m_data[m_writeIndex+m_size] = element;
         m_currentIndex = m_writeIndex;
 
         if (m_writeIndex < m_size - 1) {
             m_writeIndex++;
         } else {
             m_writeIndex = 0;
         }
     }

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◆ zeroBack()

template<typename T>

void DoubleBufferFIFO< T >::zeroBack ( int delay )

inline

Definition at line 67 of file doublebufferfifo.h.

Referenced by NFMDemod::processOneSample().

     {
         if (delay > m_size) {
             delay = m_size;
         }
 
         for (int i = 0; i < delay; i++) {
             m_data[m_currentIndex + m_size - i] = 0;
         }
     }