SampleSinkFifoDoubleBuffered Class Reference

#include <samplesinkfifodoublebuffered.h>

Inherits QObject.

Signals
void	dataReady ()

Public Member Functions
	SampleSinkFifoDoubleBuffered (uint32_t size, uint32_t signalThreshold)
	~SampleSinkFifoDoubleBuffered ()
void	getWriteIterator (SampleVector::iterator &it1)
void	bumpIndex (SampleVector::iterator &it1)
void	read (SampleVector::iterator &begin, SampleVector::iterator &end)

Private Attributes
uint32_t	m_size
uint32_t	m_signalThreshold
SampleVector	m_data
uint32_t	m_i
uint32_t	m_count
uint32_t	m_readIndex
uint32_t	m_readCount
QMutex	m_mutex

Detailed Description

Definition at line 28 of file samplesinkfifodoublebuffered.h.

Constructor & Destructor Documentation

SampleSinkFifoDoubleBuffered()

SampleSinkFifoDoubleBuffered::SampleSinkFifoDoubleBuffered	(	uint32_t	size,
		uint32_t	signalThreshold
	)

Definition at line 20 of file samplesinkfifodoublebuffered.cpp.

References m_data, m_signalThreshold, and m_size.

                                                                                                  :
    m_size(size),
    m_signalThreshold(signalThreshold),
    m_i(0),
    m_count(0),
    m_readIndex(0),
    m_readCount(0)
{
    assert(m_signalThreshold < m_size/2);
    m_data.resize(2*m_size);
}

~SampleSinkFifoDoubleBuffered()

SampleSinkFifoDoubleBuffered::~SampleSinkFifoDoubleBuffered

(

)

Definition at line 32 of file samplesinkfifodoublebuffered.cpp.

{
}

Member Function Documentation

bumpIndex()

void SampleSinkFifoDoubleBuffered::bumpIndex

(

SampleVector::iterator &

it1

)

Definition at line 41 of file samplesinkfifodoublebuffered.cpp.

References dataReady(), m_count, m_data, m_i, m_mutex, m_readCount, m_readIndex, m_signalThreshold, and m_size.

Referenced by SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate1(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate16_cen(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate16_inf(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate16_sup(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate2_cen(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate2_inf(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate2_sup(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate2_u(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate32_cen(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate32_inf(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate32_sup(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate4_cen(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate4_inf(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate4_sup(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate64_cen(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate64_inf(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate64_sup(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate8_cen(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate8_inf(), and SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate8_sup().

{
    m_data[m_i+m_size] = m_data[m_i];
    m_i = (m_i+1) % m_size;
    it1 = m_data.begin() + m_i;

    if (m_count < m_signalThreshold)
    {
        m_count++;
    }
    else
    {
        QMutexLocker mutexLocker(&m_mutex);
        m_readIndex = m_i + m_size - m_count;
        m_readCount = m_count;
        m_count = 0;
        emit dataReady();
    }
}

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dataReady

void SampleSinkFifoDoubleBuffered::dataReady ( )

signal

Referenced by bumpIndex().

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getWriteIterator()

void SampleSinkFifoDoubleBuffered::getWriteIterator

(

SampleVector::iterator &

it1

)

Definition at line 36 of file samplesinkfifodoublebuffered.cpp.

References m_data, and m_i.

Referenced by SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate1(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate16_cen(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate16_inf(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate16_sup(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate2_cen(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate2_inf(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate2_sup(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate2_u(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate32_cen(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate32_inf(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate32_sup(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate4_cen(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate4_inf(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate4_sup(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate64_cen(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate64_inf(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate64_sup(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate8_cen(), SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate8_inf(), and SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate8_sup().

{
    it1 = m_data.begin() + m_i;
}

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read()

void SampleSinkFifoDoubleBuffered::read	(	SampleVector::iterator &	begin,
		SampleVector::iterator &	end
	)

Definition at line 61 of file samplesinkfifodoublebuffered.cpp.

References m_data, m_mutex, m_readCount, and m_readIndex.

{
    QMutexLocker mutexLocker(&m_mutex);

    begin = m_data.begin() + m_readIndex;
    end = begin + m_readCount;
}

Member Data Documentation

m_count

uint32_t SampleSinkFifoDoubleBuffered::m_count

private

Definition at line 44 of file samplesinkfifodoublebuffered.h.

Referenced by bumpIndex().

m_data

SampleVector SampleSinkFifoDoubleBuffered::m_data

private

Definition at line 42 of file samplesinkfifodoublebuffered.h.

Referenced by bumpIndex(), getWriteIterator(), read(), and SampleSinkFifoDoubleBuffered().

m_i

uint32_t SampleSinkFifoDoubleBuffered::m_i

private

Definition at line 43 of file samplesinkfifodoublebuffered.h.

Referenced by bumpIndex(), and getWriteIterator().

m_mutex

QMutex SampleSinkFifoDoubleBuffered::m_mutex

private

Definition at line 47 of file samplesinkfifodoublebuffered.h.

Referenced by bumpIndex(), and read().

m_readCount

uint32_t SampleSinkFifoDoubleBuffered::m_readCount

private

Definition at line 46 of file samplesinkfifodoublebuffered.h.

Referenced by bumpIndex(), and read().

m_readIndex

uint32_t SampleSinkFifoDoubleBuffered::m_readIndex

private

Definition at line 45 of file samplesinkfifodoublebuffered.h.

Referenced by bumpIndex(), and read().

m_signalThreshold

uint32_t SampleSinkFifoDoubleBuffered::m_signalThreshold

private

Definition at line 41 of file samplesinkfifodoublebuffered.h.

Referenced by bumpIndex(), and SampleSinkFifoDoubleBuffered().

m_size

uint32_t SampleSinkFifoDoubleBuffered::m_size

private

Definition at line 40 of file samplesinkfifodoublebuffered.h.

Referenced by bumpIndex(), and SampleSinkFifoDoubleBuffered().

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

• sdrbase/dsp/samplesinkfifodoublebuffered.h
• sdrbase/dsp/samplesinkfifodoublebuffered.cpp