VariableSpeedRingBuffer180< T > Class Template Reference

Varialbe speed ring buffer where we read with 0 and 180 degree and blend the result to prevent overrun artifacts. See https://github.com/YetAnotherElectronicsChannel/STM32_DSP_PitchShift. More...

#include <PitchShift.h>

Inheritance diagram for VariableSpeedRingBuffer180< T >:

Public Member Functions
	VariableSpeedRingBuffer180 (int size=0, float increment=1.0)
virtual T *	address ()
	returns the address of the start of the physical read buffer
virtual int	available ()
	provides the number of entries that are available to read
virtual int	availableForWrite ()
	provides the number of entries that are available to write
void	clear ()
	same as reset
virtual int	clearArray (int len)
	Removes the next len entries.
bool	isEmpty ()
virtual 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
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 ()
	Reset pointer positions and clear buffer.
void	resize (int size)
void	setIncrement (float increment)
size_t	size ()
bool	write (T sample)
	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.

Protected Member Functions
virtual T	pitchRead ()
	pitch shift for a single sample
void	setWritePos (int pos)

Protected Attributes
Vector< T >	buffer {0}
int	buffer_size = 0
float	cross_fade = 1.0
friend	NBuffer< T >
int	overlap = 0
float	pitch_shift = 0
float	read_pos_float = 0.0
int	write_pointer = 0
int	write_pos = 0

Detailed Description

template<typename T>
class audio_tools::VariableSpeedRingBuffer180< T >

Varialbe speed ring buffer where we read with 0 and 180 degree and blend the result to prevent overrun artifacts. See https://github.com/YetAnotherElectronicsChannel/STM32_DSP_PitchShift.

Template Parameters

T

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

• src/AudioTools/CoreAudio/AudioEffects/PitchShift.h