A lock free N buffer. If count=2 we create a DoubleBuffer, if count=3 a TripleBuffer etc. More...

#include <Buffers.h>

Inheritance diagram for NBuffer< T >:

Public Member Functions
	NBuffer (int size, int count)

T *	address ()
	returns the address of the start of the physical read buffer

int	available ()
	provides the number of entries that are available to read

int	availableForWrite ()
	provides the number of entries that are available to write

virtual int	bufferCountEmpty ()

virtual int	bufferCountFilled ()

void	clear ()
	same as reset

virtual int	clearArray (int len)
	Removes the next len entries.

bool	isEmpty ()

bool	isFull ()
	checks if the buffer is full

virtual float	levelPercent ()
	Returns the level of the buffer in %.

T	peek ()
	peeks the actual entry from the buffer

T	read ()
	reads a single value

virtual int	readArray (T data[], int len)
	reads multiple values

BaseBuffer< T > &	readEnd ()

int	readFrames (T data[][2], int len)
	reads multiple values for array of 2 dimensional frames

template<int rows, int channels>
int	readFrames (T(&data)[rows][channels])

void	reset ()
	clears the buffer

virtual void	resize (int size, int count)

unsigned long	sampleRate ()

size_t	size ()

bool	write (T data)
	write add an entry to the buffer

virtual int	writeArray (const T data[], int len)
	Fills the buffer data.

virtual int	writeArrayOverwrite (const T data[], int len)
	Fills the buffer data and overwrites the oldest data if the buffer is full.

BaseBuffer< T > &	writeEnd ()

Protected Member Functions
virtual bool	addAvailableBuffer (BaseBuffer< T > *buffer)

virtual bool	addFilledBuffer (BaseBuffer< T > *buffer)

void	freeMemory ()

virtual BaseBuffer< T > *	getNextAvailableBuffer ()

virtual BaseBuffer< T > *	getNextFilledBuffer ()

void	resetCurrent ()

void	setWritePos (int pos)

Protected Attributes
BaseBuffer< T > *	actual_read_buffer = nullptr

BaseBuffer< T > *	actual_write_buffer = nullptr

QueueFromVector< BaseBuffer< T > * >	available_buffers {0, nullptr}

uint16_t	buffer_count = 0

int	buffer_size = 0

QueueFromVector< BaseBuffer< T > * >	filled_buffers {0, nullptr}

friend	NBuffer< T >

unsigned long	sample_count = 0

unsigned long	start_time = 0

Detailed Description

A lock free N buffer. If count=2 we create a DoubleBuffer, if count=3 a TripleBuffer etc.

The documentation for this class was generated from the following file:

Public Member Functions