SampleSinkFifoDecimator< T, SdrBits, InputBits > Class Template Reference

#include <samplesinkfifodecimator.h>

Collaboration diagram for SampleSinkFifoDecimator< T, SdrBits, InputBits >:

Public Member Functions
void	decimate1 (SampleSinkFifoDoubleBuffered &fifo, const T *buf, qint32 len)
void	decimate2_u (SampleSinkFifoDoubleBuffered &fifo, const T *buf, qint32 len)
void	decimate2_inf (SampleSinkFifoDoubleBuffered &fifo, const T *buf, qint32 len)
void	decimate2_sup (SampleSinkFifoDoubleBuffered &fifo, const T *buf, qint32 len)
void	decimate2_cen (SampleSinkFifoDoubleBuffered &fifo, const T *buf, qint32 len)
void	decimate4_inf (SampleSinkFifoDoubleBuffered &fifo, const T *buf, qint32 len)
void	decimate4_sup (SampleSinkFifoDoubleBuffered &fifo, const T *buf, qint32 len)
void	decimate4_cen (SampleSinkFifoDoubleBuffered &fifo, const T *buf, qint32 len)
void	decimate8_inf (SampleSinkFifoDoubleBuffered &fifo, const T *buf, qint32 len)
void	decimate8_sup (SampleSinkFifoDoubleBuffered &fifo, const T *buf, qint32 len)
void	decimate8_cen (SampleSinkFifoDoubleBuffered &fifo, const T *buf, qint32 len)
void	decimate16_inf (SampleSinkFifoDoubleBuffered &fifo, const T *buf, qint32 len)
void	decimate16_sup (SampleSinkFifoDoubleBuffered &fifo, const T *buf, qint32 len)
void	decimate16_cen (SampleSinkFifoDoubleBuffered &fifo, const T *buf, qint32 len)
void	decimate32_inf (SampleSinkFifoDoubleBuffered &fifo, const T *buf, qint32 len)
void	decimate32_sup (SampleSinkFifoDoubleBuffered &fifo, const T *buf, qint32 len)
void	decimate32_cen (SampleSinkFifoDoubleBuffered &fifo, const T *buf, qint32 len)
void	decimate64_inf (SampleSinkFifoDoubleBuffered &fifo, const T *buf, qint32 len)
void	decimate64_sup (SampleSinkFifoDoubleBuffered &fifo, const T *buf, qint32 len)
void	decimate64_cen (SampleSinkFifoDoubleBuffered &fifo, const T *buf, qint32 len)

Private Attributes
IntHalfbandFilter< qint32, 32 >	m_decimator2
IntHalfbandFilter< qint32, 32 >	m_decimator4
IntHalfbandFilter< qint32, 32 >	m_decimator8
IntHalfbandFilter< qint32, 32 >	m_decimator16
IntHalfbandFilter< qint32, 32 >	m_decimator32
IntHalfbandFilter< qint32, 32 >	m_decimator64

Detailed Description

template<typename T, uint32_t SdrBits, uint32_t InputBits>
class SampleSinkFifoDecimator< T, SdrBits, InputBits >

Definition at line 99 of file samplesinkfifodecimator.h.

Member Function Documentation

decimate1()

template<typename T , uint32_t SdrBits, uint32_t InputBits>

void SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate1	(	SampleSinkFifoDoubleBuffered &	fifo,
		const T *	buf,
		qint32	len
	)

Definition at line 133 of file samplesinkfifodecimator.h.

References SampleSinkFifoDoubleBuffered::bumpIndex(), and SampleSinkFifoDoubleBuffered::getWriteIterator().

{
    qint32 xreal, yimag;
    SampleVector::iterator it;

    fifo.getWriteIterator(it);

    for (int pos = 0; pos < len - 1; pos += 2)
    {
        xreal = buf[pos+0];
        yimag = buf[pos+1];
        (*it).setReal(xreal << decimation_shifts<SdrBits, InputBits>::pre1); // Valgrind optim (2 - comment not repeated)
        (*it).setImag(yimag << decimation_shifts<SdrBits, InputBits>::pre1);
        fifo.bumpIndex(it);
    }
}

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decimate16_cen()

template<typename T , uint32_t SdrBits, uint32_t InputBits>

void SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate16_cen	(	SampleSinkFifoDoubleBuffered &	fifo,
		const T *	buf,
		qint32	len
	)

Definition at line 663 of file samplesinkfifodecimator.h.

References SampleSinkFifoDoubleBuffered::bumpIndex(), and SampleSinkFifoDoubleBuffered::getWriteIterator().

{
    qint32 intbuf[16];
    SampleVector::iterator it;

    fifo.getWriteIterator(it);

    for (int pos = 0; pos < len - 31; pos += 32)
    {
        intbuf[0]  = buf[pos+2] << decimation_shifts<SdrBits, InputBits>::pre16;
        intbuf[1]  = buf[pos+3] << decimation_shifts<SdrBits, InputBits>::pre16;
        intbuf[2]  = buf[pos+6] << decimation_shifts<SdrBits, InputBits>::pre16;
        intbuf[3]  = buf[pos+7] << decimation_shifts<SdrBits, InputBits>::pre16;
        intbuf[4]  = buf[pos+10] << decimation_shifts<SdrBits, InputBits>::pre16;
        intbuf[5]  = buf[pos+11] << decimation_shifts<SdrBits, InputBits>::pre16;
        intbuf[6]  = buf[pos+14] << decimation_shifts<SdrBits, InputBits>::pre16;
        intbuf[7]  = buf[pos+15] << decimation_shifts<SdrBits, InputBits>::pre16;
        intbuf[8]  = buf[pos+18] << decimation_shifts<SdrBits, InputBits>::pre16;
        intbuf[9]  = buf[pos+19] << decimation_shifts<SdrBits, InputBits>::pre16;
        intbuf[10] = buf[pos+22] << decimation_shifts<SdrBits, InputBits>::pre16;
        intbuf[11] = buf[pos+23] << decimation_shifts<SdrBits, InputBits>::pre16;
        intbuf[12] = buf[pos+26] << decimation_shifts<SdrBits, InputBits>::pre16;
        intbuf[13] = buf[pos+27] << decimation_shifts<SdrBits, InputBits>::pre16;
        intbuf[14] = buf[pos+30] << decimation_shifts<SdrBits, InputBits>::pre16;
        intbuf[15] = buf[pos+31] << decimation_shifts<SdrBits, InputBits>::pre16;

        m_decimator2.myDecimate(
                buf[pos+0] << decimation_shifts<SdrBits, InputBits>::pre16,
                buf[pos+1] << decimation_shifts<SdrBits, InputBits>::pre16,
                &intbuf[0],
                &intbuf[1]);
        m_decimator2.myDecimate(
                buf[pos+4] << decimation_shifts<SdrBits, InputBits>::pre16,
                buf[pos+5] << decimation_shifts<SdrBits, InputBits>::pre16,
                &intbuf[2],
                &intbuf[3]);
        m_decimator2.myDecimate(
                buf[pos+8] << decimation_shifts<SdrBits, InputBits>::pre16,
                buf[pos+9] << decimation_shifts<SdrBits, InputBits>::pre16,
                &intbuf[4],
                &intbuf[5]);
        m_decimator2.myDecimate(
                buf[pos+12] << decimation_shifts<SdrBits, InputBits>::pre16,
                buf[pos+13] << decimation_shifts<SdrBits, InputBits>::pre16,
                &intbuf[6],
                &intbuf[7]);
        m_decimator2.myDecimate(
                buf[pos+16] << decimation_shifts<SdrBits, InputBits>::pre16,
                buf[pos+17] << decimation_shifts<SdrBits, InputBits>::pre16,
                &intbuf[8],
                &intbuf[9]);
        m_decimator2.myDecimate(
                buf[pos+20] << decimation_shifts<SdrBits, InputBits>::pre16,
                buf[pos+21] << decimation_shifts<SdrBits, InputBits>::pre16,
                &intbuf[10],
                &intbuf[11]);
        m_decimator2.myDecimate(
                buf[pos+24] << decimation_shifts<SdrBits, InputBits>::pre16,
                buf[pos+25] << decimation_shifts<SdrBits, InputBits>::pre16,
                &intbuf[12],
                &intbuf[13]);
        m_decimator2.myDecimate(
                buf[pos+28] << decimation_shifts<SdrBits, InputBits>::pre16,
                buf[pos+29] << decimation_shifts<SdrBits, InputBits>::pre16,
                &intbuf[14],
                &intbuf[15]);

        m_decimator4.myDecimate(
                intbuf[0],
                intbuf[1],
                &intbuf[2],
                &intbuf[3]);
        m_decimator4.myDecimate(
                intbuf[4],
                intbuf[5],
                &intbuf[6],
                &intbuf[7]);
        m_decimator4.myDecimate(
                intbuf[8],
                intbuf[9],
                &intbuf[10],
                &intbuf[11]);
        m_decimator4.myDecimate(
                intbuf[12],
                intbuf[13],
                &intbuf[14],
                &intbuf[15]);

        m_decimator8.myDecimate(
                intbuf[2],
                intbuf[3],
                &intbuf[6],
                &intbuf[7]);
        m_decimator8.myDecimate(
                intbuf[10],
                intbuf[11],
                &intbuf[14],
                &intbuf[15]);

        m_decimator16.myDecimate(
                intbuf[6],
                intbuf[7],
                &intbuf[14],
                &intbuf[15]);

        (*it).setReal(intbuf[14] >> decimation_shifts<SdrBits, InputBits>::post16);
        (*it).setImag(intbuf[15] >> decimation_shifts<SdrBits, InputBits>::post16);
        fifo.bumpIndex(it);
    }
}

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decimate16_inf()

template<typename T , uint32_t SdrBits, uint32_t InputBits>

void SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate16_inf	(	SampleSinkFifoDoubleBuffered &	fifo,
		const T *	buf,
		qint32	len
	)

Definition at line 321 of file samplesinkfifodecimator.h.

References SampleSinkFifoDoubleBuffered::bumpIndex(), SampleSinkFifoDoubleBuffered::getWriteIterator(), and i.

{
    // Offset tuning: 4x downsample and rotate, then
    // downsample 4x more. [ rotate:  0, 1, -3, 2, -4, -5, 7, -6]
    qint32 xreal[4], yimag[4];
    SampleVector::iterator it;

    fifo.getWriteIterator(it);

    for (int pos = 0; pos < len - 31; )
    {
        for (int i = 0; i < 4; i++)
        {
            xreal[i] = (buf[pos+0] - buf[pos+3] + buf[pos+7] - buf[pos+4]) << decimation_shifts<SdrBits, InputBits>::pre16;
            yimag[i] = (buf[pos+1] - buf[pos+5] + buf[pos+2] - buf[pos+6]) << decimation_shifts<SdrBits, InputBits>::pre16;
            pos += 8;
        }

        m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]);
        m_decimator2.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]);

        m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]);

        (*it).setReal(xreal[3] >> decimation_shifts<SdrBits, InputBits>::post16);
        (*it).setImag(yimag[3] >> decimation_shifts<SdrBits, InputBits>::post16);

        fifo.bumpIndex(it);
    }
}

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decimate16_sup()

template<typename T , uint32_t SdrBits, uint32_t InputBits>

void SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate16_sup	(	SampleSinkFifoDoubleBuffered &	fifo,
		const T *	buf,
		qint32	len
	)

Definition at line 352 of file samplesinkfifodecimator.h.

References SampleSinkFifoDoubleBuffered::bumpIndex(), SampleSinkFifoDoubleBuffered::getWriteIterator(), and i.

{
    // Offset tuning: 4x downsample and rotate, then
    // downsample 4x more. [ rotate:  1, 0, -2, 3, -5, -4, 6, -7]
    qint32 xreal[4], yimag[4];
    SampleVector::iterator it;

    fifo.getWriteIterator(it);

    for (int pos = 0; pos < len - 31; )
    {
        for (int i = 0; i < 4; i++)
        {
            xreal[i] = (buf[pos+1] - buf[pos+2] - buf[pos+5] + buf[pos+6]) << decimation_shifts<SdrBits, InputBits>::pre16;
            yimag[i] = (buf[pos+4] + buf[pos+7] - buf[pos+0] - buf[pos+3]) << decimation_shifts<SdrBits, InputBits>::pre16;
            pos += 8;
        }

        m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]);
        m_decimator2.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]);

        m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]);

        (*it).setReal(xreal[3] >> decimation_shifts<SdrBits, InputBits>::post16);
        (*it).setImag(yimag[3] >> decimation_shifts<SdrBits, InputBits>::post16);

        fifo.bumpIndex(it);
    }
}

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decimate2_cen()

template<typename T , uint32_t SdrBits, uint32_t InputBits>

void SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate2_cen	(	SampleSinkFifoDoubleBuffered &	fifo,
		const T *	buf,
		qint32	len
	)

Definition at line 537 of file samplesinkfifodecimator.h.

References SampleSinkFifoDoubleBuffered::bumpIndex(), and SampleSinkFifoDoubleBuffered::getWriteIterator().

{
    qint32 intbuf[2];
    SampleVector::iterator it;

    fifo.getWriteIterator(it);

    for (int pos = 0; pos < len - 3; pos += 4)
    {
        intbuf[0]  = buf[pos+2] << decimation_shifts<SdrBits, InputBits>::pre2;
        intbuf[1]  = buf[pos+3] << decimation_shifts<SdrBits, InputBits>::pre2;

        m_decimator2.myDecimate(
                buf[pos+0] << decimation_shifts<SdrBits, InputBits>::pre2,
                buf[pos+1] << decimation_shifts<SdrBits, InputBits>::pre2,
                &intbuf[0],
                &intbuf[1]);

        (*it).setReal(intbuf[0] >> decimation_shifts<SdrBits, InputBits>::post2);
        (*it).setImag(intbuf[1] >> decimation_shifts<SdrBits, InputBits>::post2);
        fifo.bumpIndex(it);
    }
}

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decimate2_inf()

template<typename T , uint32_t SdrBits, uint32_t InputBits>

void SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate2_inf	(	SampleSinkFifoDoubleBuffered &	fifo,
		const T *	buf,
		qint32	len
	)

Definition at line 175 of file samplesinkfifodecimator.h.

References SampleSinkFifoDoubleBuffered::bumpIndex(), and SampleSinkFifoDoubleBuffered::getWriteIterator().

{
    qint32 xreal, yimag;
    SampleVector::iterator it;

    fifo.getWriteIterator(it);

    for (int pos = 0; pos < len - 7; pos += 8)
    {
        xreal = (buf[pos+0] - buf[pos+3]) << decimation_shifts<SdrBits, InputBits>::pre2;
        yimag = (buf[pos+1] + buf[pos+2]) << decimation_shifts<SdrBits, InputBits>::pre2;
        (*it).setReal(xreal >> decimation_shifts<SdrBits, InputBits>::post2);
        (*it).setImag(yimag >> decimation_shifts<SdrBits, InputBits>::post2);
        fifo.bumpIndex(it);

        xreal = (buf[pos+7] - buf[pos+4]) << decimation_shifts<SdrBits, InputBits>::pre2;
        yimag = (- buf[pos+5] - buf[pos+6]) << decimation_shifts<SdrBits, InputBits>::pre2;
        (*it).setReal(xreal >> decimation_shifts<SdrBits, InputBits>::post2);
        (*it).setImag(yimag >> decimation_shifts<SdrBits, InputBits>::post2);
        fifo.bumpIndex(it);
    }
}

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decimate2_sup()

template<typename T , uint32_t SdrBits, uint32_t InputBits>

void SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate2_sup	(	SampleSinkFifoDoubleBuffered &	fifo,
		const T *	buf,
		qint32	len
	)

Definition at line 199 of file samplesinkfifodecimator.h.

References SampleSinkFifoDoubleBuffered::bumpIndex(), and SampleSinkFifoDoubleBuffered::getWriteIterator().

{
    qint32 xreal, yimag;
    SampleVector::iterator it;

    fifo.getWriteIterator(it);

    for (int pos = 0; pos < len - 7; pos += 8)
    {
        xreal = (buf[pos+1] - buf[pos+2]) << decimation_shifts<SdrBits, InputBits>::pre2;
        yimag = (- buf[pos+0] - buf[pos+3]) << decimation_shifts<SdrBits, InputBits>::pre2;
        (*it).setReal(xreal >> decimation_shifts<SdrBits, InputBits>::post2);
        (*it).setImag(yimag >> decimation_shifts<SdrBits, InputBits>::post2);
        fifo.bumpIndex(it);

        xreal = (buf[pos+6] - buf[pos+5]) << decimation_shifts<SdrBits, InputBits>::pre2;
        yimag = (buf[pos+4] + buf[pos+7]) << decimation_shifts<SdrBits, InputBits>::pre2;
        (*it).setReal(xreal >> decimation_shifts<SdrBits, InputBits>::post2);
        (*it).setImag(yimag >> decimation_shifts<SdrBits, InputBits>::post2);
        fifo.bumpIndex(it);
    }
}

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decimate2_u()

template<typename T , uint32_t SdrBits, uint32_t InputBits>

void SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate2_u	(	SampleSinkFifoDoubleBuffered &	fifo,
		const T *	buf,
		qint32	len
	)

Definition at line 151 of file samplesinkfifodecimator.h.

References SampleSinkFifoDoubleBuffered::bumpIndex(), and SampleSinkFifoDoubleBuffered::getWriteIterator().

{
    qint32 xreal, yimag;
    SampleVector::iterator it;

    fifo.getWriteIterator(it);

    for (int pos = 0; pos < len - 7; pos += 8)
    {
        xreal = (buf[pos+0] - buf[pos+3]) << decimation_shifts<SdrBits, InputBits>::pre2;
        yimag = (buf[pos+1] + buf[pos+2] - 255) << decimation_shifts<SdrBits, InputBits>::pre2;
        (*it).setReal(xreal >> decimation_shifts<SdrBits, InputBits>::post2);
        (*it).setImag(yimag >> decimation_shifts<SdrBits, InputBits>::post2);
        fifo.bumpIndex(it);

        xreal = (buf[pos+7] - buf[pos+4]) << decimation_shifts<SdrBits, InputBits>::pre2;
        yimag = (255 - buf[pos+5] - buf[pos+6]) << decimation_shifts<SdrBits, InputBits>::pre2;
        (*it).setReal(xreal >> decimation_shifts<SdrBits, InputBits>::post2);
        (*it).setImag(yimag >> decimation_shifts<SdrBits, InputBits>::post2);
        fifo.bumpIndex(it);
    }
}

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decimate32_cen()

template<typename T , uint32_t SdrBits, uint32_t InputBits>

void SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate32_cen	(	SampleSinkFifoDoubleBuffered &	fifo,
		const T *	buf,
		qint32	len
	)

Definition at line 775 of file samplesinkfifodecimator.h.

References SampleSinkFifoDoubleBuffered::bumpIndex(), and SampleSinkFifoDoubleBuffered::getWriteIterator().

{
    qint32 intbuf[32];
    SampleVector::iterator it;

    fifo.getWriteIterator(it);

    for (int pos = 0; pos < len - 63; pos += 64)
    {
        intbuf[0]  = buf[pos+2] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[1]  = buf[pos+3] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[2]  = buf[pos+6] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[3]  = buf[pos+7] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[4]  = buf[pos+10] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[5]  = buf[pos+11] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[6]  = buf[pos+14] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[7]  = buf[pos+15] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[8]  = buf[pos+18] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[9]  = buf[pos+19] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[10] = buf[pos+22] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[11] = buf[pos+23] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[12] = buf[pos+26] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[13] = buf[pos+27] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[14] = buf[pos+30] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[15] = buf[pos+31] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[16] = buf[pos+34] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[17] = buf[pos+35] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[18] = buf[pos+38] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[19] = buf[pos+39] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[20] = buf[pos+42] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[21] = buf[pos+43] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[22] = buf[pos+46] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[23] = buf[pos+47] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[24] = buf[pos+50] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[25] = buf[pos+51] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[26] = buf[pos+54] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[27] = buf[pos+55] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[28] = buf[pos+58] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[29] = buf[pos+59] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[30] = buf[pos+62] << decimation_shifts<SdrBits, InputBits>::pre32;
        intbuf[31] = buf[pos+63] << decimation_shifts<SdrBits, InputBits>::pre32;

        m_decimator2.myDecimate(
                buf[pos+0] << decimation_shifts<SdrBits, InputBits>::pre32,
                buf[pos+1] << decimation_shifts<SdrBits, InputBits>::pre32,
                &intbuf[0],
                &intbuf[1]);
        m_decimator2.myDecimate(
                buf[pos+4] << decimation_shifts<SdrBits, InputBits>::pre32,
                buf[pos+5] << decimation_shifts<SdrBits, InputBits>::pre32,
                &intbuf[2],
                &intbuf[3]);
        m_decimator2.myDecimate(
                buf[pos+8] << decimation_shifts<SdrBits, InputBits>::pre32,
                buf[pos+9] << decimation_shifts<SdrBits, InputBits>::pre32,
                &intbuf[4],
                &intbuf[5]);
        m_decimator2.myDecimate(
                buf[pos+12] << decimation_shifts<SdrBits, InputBits>::pre32,
                buf[pos+13] << decimation_shifts<SdrBits, InputBits>::pre32,
                &intbuf[6],
                &intbuf[7]);
        m_decimator2.myDecimate(
                buf[pos+16] << decimation_shifts<SdrBits, InputBits>::pre32,
                buf[pos+17] << decimation_shifts<SdrBits, InputBits>::pre32,
                &intbuf[8],
                &intbuf[9]);
        m_decimator2.myDecimate(
                buf[pos+20] << decimation_shifts<SdrBits, InputBits>::pre32,
                buf[pos+21] << decimation_shifts<SdrBits, InputBits>::pre32,
                &intbuf[10],
                &intbuf[11]);
        m_decimator2.myDecimate(
                buf[pos+24] << decimation_shifts<SdrBits, InputBits>::pre32,
                buf[pos+25] << decimation_shifts<SdrBits, InputBits>::pre32,
                &intbuf[12],
                &intbuf[13]);
        m_decimator2.myDecimate(
                buf[pos+28] << decimation_shifts<SdrBits, InputBits>::pre32,
                buf[pos+29] << decimation_shifts<SdrBits, InputBits>::pre32,
                &intbuf[14],
                &intbuf[15]);
        m_decimator2.myDecimate(
                buf[pos+32] << decimation_shifts<SdrBits, InputBits>::pre32,
                buf[pos+33] << decimation_shifts<SdrBits, InputBits>::pre32,
                &intbuf[16],
                &intbuf[17]);
        m_decimator2.myDecimate(
                buf[pos+36] << decimation_shifts<SdrBits, InputBits>::pre32,
                buf[pos+37] << decimation_shifts<SdrBits, InputBits>::pre32,
                &intbuf[18],
                &intbuf[19]);
        m_decimator2.myDecimate(
                buf[pos+40] << decimation_shifts<SdrBits, InputBits>::pre32,
                buf[pos+41] << decimation_shifts<SdrBits, InputBits>::pre32,
                &intbuf[20],
                &intbuf[21]);
        m_decimator2.myDecimate(
                buf[pos+44] << decimation_shifts<SdrBits, InputBits>::pre32,
                buf[pos+45] << decimation_shifts<SdrBits, InputBits>::pre32,
                &intbuf[22],
                &intbuf[23]);
        m_decimator2.myDecimate(
                buf[pos+48] << decimation_shifts<SdrBits, InputBits>::pre32,
                buf[pos+49] << decimation_shifts<SdrBits, InputBits>::pre32,
                &intbuf[24],
                &intbuf[25]);
        m_decimator2.myDecimate(
                buf[pos+52] << decimation_shifts<SdrBits, InputBits>::pre32,
                buf[pos+53] << decimation_shifts<SdrBits, InputBits>::pre32,
                &intbuf[26],
                &intbuf[27]);
        m_decimator2.myDecimate(
                buf[pos+56] << decimation_shifts<SdrBits, InputBits>::pre32,
                buf[pos+57] << decimation_shifts<SdrBits, InputBits>::pre32,
                &intbuf[28],
                &intbuf[29]);
        m_decimator2.myDecimate(
                buf[pos+60] << decimation_shifts<SdrBits, InputBits>::pre32,
                buf[pos+61] << decimation_shifts<SdrBits, InputBits>::pre32,
                &intbuf[30],
                &intbuf[31]);

        m_decimator4.myDecimate(
                intbuf[0],
                intbuf[1],
                &intbuf[2],
                &intbuf[3]);
        m_decimator4.myDecimate(
                intbuf[4],
                intbuf[5],
                &intbuf[6],
                &intbuf[7]);
        m_decimator4.myDecimate(
                intbuf[8],
                intbuf[9],
                &intbuf[10],
                &intbuf[11]);
        m_decimator4.myDecimate(
                intbuf[12],
                intbuf[13],
                &intbuf[14],
                &intbuf[15]);
        m_decimator4.myDecimate(
                intbuf[16],
                intbuf[17],
                &intbuf[18],
                &intbuf[19]);
        m_decimator4.myDecimate(
                intbuf[20],
                intbuf[21],
                &intbuf[22],
                &intbuf[23]);
        m_decimator4.myDecimate(
                intbuf[24],
                intbuf[25],
                &intbuf[26],
                &intbuf[27]);
        m_decimator4.myDecimate(
                intbuf[28],
                intbuf[29],
                &intbuf[30],
                &intbuf[31]);

        m_decimator8.myDecimate(
                intbuf[2],
                intbuf[3],
                &intbuf[6],
                &intbuf[7]);
        m_decimator8.myDecimate(
                intbuf[10],
                intbuf[11],
                &intbuf[14],
                &intbuf[15]);
        m_decimator8.myDecimate(
                intbuf[18],
                intbuf[19],
                &intbuf[22],
                &intbuf[23]);
        m_decimator8.myDecimate(
                intbuf[26],
                intbuf[27],
                &intbuf[30],
                &intbuf[31]);

        m_decimator16.myDecimate(
                intbuf[6],
                intbuf[7],
                &intbuf[14],
                &intbuf[15]);
        m_decimator16.myDecimate(
                intbuf[22],
                intbuf[23],
                &intbuf[30],
                &intbuf[31]);

        m_decimator32.myDecimate(
                intbuf[14],
                intbuf[15],
                &intbuf[30],
                &intbuf[31]);

        (**it).setReal(intbuf[30] >> decimation_shifts<SdrBits, InputBits>::post32);
        (**it).setImag(intbuf[31] >> decimation_shifts<SdrBits, InputBits>::post32);
        fifo.bumpIndex(it);
    }
}

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decimate32_inf()

template<typename T , uint32_t SdrBits, uint32_t InputBits>

void SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate32_inf	(	SampleSinkFifoDoubleBuffered &	fifo,
		const T *	buf,
		qint32	len
	)

Definition at line 383 of file samplesinkfifodecimator.h.

References SampleSinkFifoDoubleBuffered::bumpIndex(), SampleSinkFifoDoubleBuffered::getWriteIterator(), and i.

{
    qint32 xreal[8], yimag[8];
    SampleVector::iterator it;

    fifo.getWriteIterator(it);

    for (int pos = 0; pos < len - 63; )
    {
        for (int i = 0; i < 8; i++)
        {
            xreal[i] = (buf[pos+0] - buf[pos+3] + buf[pos+7] - buf[pos+4]) << decimation_shifts<SdrBits, InputBits>::pre32;
            yimag[i] = (buf[pos+1] - buf[pos+5] + buf[pos+2] - buf[pos+6]) << decimation_shifts<SdrBits, InputBits>::pre32;
            pos += 8;
        }

        m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]);
        m_decimator2.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]);
        m_decimator2.myDecimate(xreal[4], yimag[4], &xreal[5], &yimag[5]);
        m_decimator2.myDecimate(xreal[6], yimag[6], &xreal[7], &yimag[7]);

        m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]);
        m_decimator4.myDecimate(xreal[5], yimag[5], &xreal[7], &yimag[7]);

        m_decimator8.myDecimate(xreal[3], yimag[3], &xreal[7], &yimag[7]);

        (*it).setReal(xreal[7] >> decimation_shifts<SdrBits, InputBits>::post32);
        (*it).setImag(yimag[7] >> decimation_shifts<SdrBits, InputBits>::post32);

        fifo.bumpIndex(it);
    }
}

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decimate32_sup()

template<typename T , uint32_t SdrBits, uint32_t InputBits>

void SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate32_sup	(	SampleSinkFifoDoubleBuffered &	fifo,
		const T *	buf,
		qint32	len
	)

Definition at line 417 of file samplesinkfifodecimator.h.

References SampleSinkFifoDoubleBuffered::bumpIndex(), SampleSinkFifoDoubleBuffered::getWriteIterator(), and i.

{
    qint32 xreal[8], yimag[8];
    SampleVector::iterator it;

    fifo.getWriteIterator(it);

    for (int pos = 0; pos < len - 63; )
    {
        for (int i = 0; i < 8; i++)
        {
            xreal[i] = (buf[pos+1] - buf[pos+2] - buf[pos+5] + buf[pos+6]) << decimation_shifts<SdrBits, InputBits>::pre32;
            yimag[i] = (buf[pos+4] + buf[pos+7] - buf[pos+0] - buf[pos+3]) << decimation_shifts<SdrBits, InputBits>::pre32;
            pos += 8;
        }

        m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]);
        m_decimator2.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]);
        m_decimator2.myDecimate(xreal[4], yimag[4], &xreal[5], &yimag[5]);
        m_decimator2.myDecimate(xreal[6], yimag[6], &xreal[7], &yimag[7]);

        m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]);
        m_decimator4.myDecimate(xreal[5], yimag[5], &xreal[7], &yimag[7]);

        m_decimator8.myDecimate(xreal[3], yimag[3], &xreal[7], &yimag[7]);

        (*it).setReal(xreal[7] >> decimation_shifts<SdrBits, InputBits>::post32);
        (*it).setImag(yimag[7] >> decimation_shifts<SdrBits, InputBits>::post32);

        fifo.bumpIndex(it);
    }
}

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decimate4_cen()

template<typename T , uint32_t SdrBits, uint32_t InputBits>

void SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate4_cen	(	SampleSinkFifoDoubleBuffered &	fifo,
		const T *	buf,
		qint32	len
	)

Definition at line 562 of file samplesinkfifodecimator.h.

References SampleSinkFifoDoubleBuffered::bumpIndex(), and SampleSinkFifoDoubleBuffered::getWriteIterator().

{
    qint32 intbuf[4];
    SampleVector::iterator it;

    fifo.getWriteIterator(it);

    for (int pos = 0; pos < len - 7; pos += 8)
    {
        intbuf[0]  = buf[pos+2] << decimation_shifts<SdrBits, InputBits>::pre4;
        intbuf[1]  = buf[pos+3] << decimation_shifts<SdrBits, InputBits>::pre4;
        intbuf[2]  = buf[pos+6] << decimation_shifts<SdrBits, InputBits>::pre4;
        intbuf[3]  = buf[pos+7] << decimation_shifts<SdrBits, InputBits>::pre4;

        m_decimator2.myDecimate(
                buf[pos+0] << decimation_shifts<SdrBits, InputBits>::pre4,
                buf[pos+1] << decimation_shifts<SdrBits, InputBits>::pre4,
                &intbuf[0],
                &intbuf[1]);
        m_decimator2.myDecimate(
                buf[pos+4] << decimation_shifts<SdrBits, InputBits>::pre4,
                buf[pos+5] << decimation_shifts<SdrBits, InputBits>::pre4,
                &intbuf[2],
                &intbuf[3]);

        m_decimator4.myDecimate(
                intbuf[0],
                intbuf[1],
                &intbuf[2],
                &intbuf[3]);

        (*it).setReal(intbuf[2] >> decimation_shifts<SdrBits, InputBits>::post4);
        (*it).setImag(intbuf[3] >> decimation_shifts<SdrBits, InputBits>::post4);
        fifo.bumpIndex(it);
    }
}

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decimate4_inf()

template<typename T , uint32_t SdrBits, uint32_t InputBits>

void SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate4_inf	(	SampleSinkFifoDoubleBuffered &	fifo,
		const T *	buf,
		qint32	len
	)

Definition at line 223 of file samplesinkfifodecimator.h.

References SampleSinkFifoDoubleBuffered::bumpIndex(), and SampleSinkFifoDoubleBuffered::getWriteIterator().

{
    qint32 xreal, yimag;
    SampleVector::iterator it;

    fifo.getWriteIterator(it);

    for (int pos = 0; pos < len - 7; pos += 8)
    {
        xreal = (buf[pos+0] - buf[pos+3] + buf[pos+7] - buf[pos+4]) << decimation_shifts<SdrBits, InputBits>::pre4;
        yimag = (buf[pos+1] - buf[pos+5] + buf[pos+2] - buf[pos+6]) << decimation_shifts<SdrBits, InputBits>::pre4;

        (*it).setReal(xreal >> decimation_shifts<SdrBits, InputBits>::post4);
        (*it).setImag(yimag >> decimation_shifts<SdrBits, InputBits>::post4);

        fifo.bumpIndex(it);
    }
}

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decimate4_sup()

template<typename T , uint32_t SdrBits, uint32_t InputBits>

void SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate4_sup	(	SampleSinkFifoDoubleBuffered &	fifo,
		const T *	buf,
		qint32	len
	)

Definition at line 243 of file samplesinkfifodecimator.h.

References SampleSinkFifoDoubleBuffered::bumpIndex(), and SampleSinkFifoDoubleBuffered::getWriteIterator().

{
    // Sup (USB):
    //            x  y   x  y   x   y  x   y  / x -> 1,-2,-5,6 / y -> -0,-3,4,7
    // [ rotate:  1, 0, -2, 3, -5, -4, 6, -7]
    // Inf (LSB):
    //            x  y   x  y   x   y  x   y  / x -> 0,-3,-4,7 / y -> 1,2,-5,-6
    // [ rotate:  0, 1, -3, 2, -4, -5, 7, -6]
    qint32 xreal, yimag;
    SampleVector::iterator it;

    fifo.getWriteIterator(it);

    for (int pos = 0; pos < len - 7; pos += 8)
    {
        xreal = (buf[pos+1] - buf[pos+2] - buf[pos+5] + buf[pos+6]) << decimation_shifts<SdrBits, InputBits>::pre4;
        yimag = (- buf[pos+0] - buf[pos+3] + buf[pos+4] + buf[pos+7]) << decimation_shifts<SdrBits, InputBits>::pre4;

        (*it).setReal(xreal >> decimation_shifts<SdrBits, InputBits>::post4);
        (*it).setImag(yimag >> decimation_shifts<SdrBits, InputBits>::post4);

        fifo.bumpIndex(it);
    }
}

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decimate64_cen()

template<typename T , uint32_t SdrBits, uint32_t InputBits>

void SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate64_cen	(	SampleSinkFifoDoubleBuffered &	fifo,
		const T *	buf,
		qint32	len
	)

Definition at line 985 of file samplesinkfifodecimator.h.

References SampleSinkFifoDoubleBuffered::bumpIndex(), and SampleSinkFifoDoubleBuffered::getWriteIterator().

{
    qint32 intbuf[64];
    SampleVector::iterator it;

    fifo.getWriteIterator(it);

    for (int pos = 0; pos < len - 127; pos += 128)
    {
        intbuf[0]  = buf[pos+2] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[1]  = buf[pos+3] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[2]  = buf[pos+6] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[3]  = buf[pos+7] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[4]  = buf[pos+10] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[5]  = buf[pos+11] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[6]  = buf[pos+14] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[7]  = buf[pos+15] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[8]  = buf[pos+18] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[9]  = buf[pos+19] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[10] = buf[pos+22] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[11] = buf[pos+23] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[12] = buf[pos+26] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[13] = buf[pos+27] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[14] = buf[pos+30] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[15] = buf[pos+31] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[16] = buf[pos+34] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[17] = buf[pos+35] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[18] = buf[pos+38] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[19] = buf[pos+39] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[20] = buf[pos+42] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[21] = buf[pos+43] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[22] = buf[pos+46] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[23] = buf[pos+47] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[24] = buf[pos+50] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[25] = buf[pos+51] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[26] = buf[pos+54] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[27] = buf[pos+55] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[28] = buf[pos+58] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[29] = buf[pos+59] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[30] = buf[pos+62] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[31] = buf[pos+63] << decimation_shifts<SdrBits, InputBits>::pre64;

        intbuf[32] = buf[pos+66] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[33] = buf[pos+67] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[34] = buf[pos+70] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[35] = buf[pos+71] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[36] = buf[pos+74] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[37] = buf[pos+75] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[38] = buf[pos+78] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[39] = buf[pos+79] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[40] = buf[pos+82] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[41] = buf[pos+83] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[42] = buf[pos+86] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[43] = buf[pos+87] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[44] = buf[pos+90] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[45] = buf[pos+91] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[46] = buf[pos+94] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[47] = buf[pos+95] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[48] = buf[pos+98] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[49] = buf[pos+99] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[50] = buf[pos+102] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[51] = buf[pos+103] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[52] = buf[pos+106] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[53] = buf[pos+107] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[54] = buf[pos+110] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[55] = buf[pos+111] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[56] = buf[pos+114] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[57] = buf[pos+115] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[58] = buf[pos+118] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[59] = buf[pos+119] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[60] = buf[pos+122] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[61] = buf[pos+123] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[62] = buf[pos+126] << decimation_shifts<SdrBits, InputBits>::pre64;
        intbuf[63] = buf[pos+127] << decimation_shifts<SdrBits, InputBits>::pre64;

        m_decimator2.myDecimate(
                buf[pos+0] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+1] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[0],
                &intbuf[1]);
        m_decimator2.myDecimate(
                buf[pos+4] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+5] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[2],
                &intbuf[3]);
        m_decimator2.myDecimate(
                buf[pos+8] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+9] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[4],
                &intbuf[5]);
        m_decimator2.myDecimate(
                buf[pos+12] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+13] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[6],
                &intbuf[7]);
        m_decimator2.myDecimate(
                buf[pos+16] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+17] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[8],
                &intbuf[9]);
        m_decimator2.myDecimate(
                buf[pos+20] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+21] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[10],
                &intbuf[11]);
        m_decimator2.myDecimate(
                buf[pos+24] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+25] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[12],
                &intbuf[13]);
        m_decimator2.myDecimate(
                buf[pos+28] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+29] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[14],
                &intbuf[15]);
        m_decimator2.myDecimate(
                buf[pos+32] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+33] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[16],
                &intbuf[17]);
        m_decimator2.myDecimate(
                buf[pos+36] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+37] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[18],
                &intbuf[19]);
        m_decimator2.myDecimate(
                buf[pos+40] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+41] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[20],
                &intbuf[21]);
        m_decimator2.myDecimate(
                buf[pos+44] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+45] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[22],
                &intbuf[23]);
        m_decimator2.myDecimate(
                buf[pos+48] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+49] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[24],
                &intbuf[25]);
        m_decimator2.myDecimate(
                buf[pos+52] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+53] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[26],
                &intbuf[27]);
        m_decimator2.myDecimate(
                buf[pos+56] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+57] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[28],
                &intbuf[29]);
        m_decimator2.myDecimate(
                buf[pos+60] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+61] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[30],
                &intbuf[31]);
        m_decimator2.myDecimate(
                buf[pos+64] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+65] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[32],
                &intbuf[33]);
        m_decimator2.myDecimate(
                buf[pos+68] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+69] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[34],
                &intbuf[35]);
        m_decimator2.myDecimate(
                buf[pos+72] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+73] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[36],
                &intbuf[37]);
        m_decimator2.myDecimate(
                buf[pos+76] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+77] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[38],
                &intbuf[39]);
        m_decimator2.myDecimate(
                buf[pos+80] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+81] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[40],
                &intbuf[41]);
        m_decimator2.myDecimate(
                buf[pos+84] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+85] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[42],
                &intbuf[43]);
        m_decimator2.myDecimate(
                buf[pos+88] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+89] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[44],
                &intbuf[45]);
        m_decimator2.myDecimate(
                buf[pos+92] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+93] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[46],
                &intbuf[47]);
        m_decimator2.myDecimate(
                buf[pos+96] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+97] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[48],
                &intbuf[49]);
        m_decimator2.myDecimate(
                buf[pos+100] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+101] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[50],
                &intbuf[51]);
        m_decimator2.myDecimate(
                buf[pos+104] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+105] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[52],
                &intbuf[53]);
        m_decimator2.myDecimate(
                buf[pos+108] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+109] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[54],
                &intbuf[55]);
        m_decimator2.myDecimate(
                buf[pos+112] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+113] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[56],
                &intbuf[57]);
        m_decimator2.myDecimate(
                buf[pos+116] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+117] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[58],
                &intbuf[59]);
        m_decimator2.myDecimate(
                buf[pos+120] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+121] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[60],
                &intbuf[61]);
        m_decimator2.myDecimate(
                buf[pos+124] << decimation_shifts<SdrBits, InputBits>::pre64,
                buf[pos+125] << decimation_shifts<SdrBits, InputBits>::pre64,
                &intbuf[62],
                &intbuf[63]);

        m_decimator4.myDecimate(
                intbuf[0],
                intbuf[1],
                &intbuf[2],
                &intbuf[3]);
        m_decimator4.myDecimate(
                intbuf[4],
                intbuf[5],
                &intbuf[6],
                &intbuf[7]);
        m_decimator4.myDecimate(
                intbuf[8],
                intbuf[9],
                &intbuf[10],
                &intbuf[11]);
        m_decimator4.myDecimate(
                intbuf[12],
                intbuf[13],
                &intbuf[14],
                &intbuf[15]);
        m_decimator4.myDecimate(
                intbuf[16],
                intbuf[17],
                &intbuf[18],
                &intbuf[19]);
        m_decimator4.myDecimate(
                intbuf[20],
                intbuf[21],
                &intbuf[22],
                &intbuf[23]);
        m_decimator4.myDecimate(
                intbuf[24],
                intbuf[25],
                &intbuf[26],
                &intbuf[27]);
        m_decimator4.myDecimate(
                intbuf[28],
                intbuf[29],
                &intbuf[30],
                &intbuf[31]);
        m_decimator4.myDecimate(
                intbuf[32],
                intbuf[33],
                &intbuf[34],
                &intbuf[35]);
        m_decimator4.myDecimate(
                intbuf[36],
                intbuf[37],
                &intbuf[38],
                &intbuf[39]);
        m_decimator4.myDecimate(
                intbuf[40],
                intbuf[41],
                &intbuf[42],
                &intbuf[43]);
        m_decimator4.myDecimate(
                intbuf[44],
                intbuf[45],
                &intbuf[46],
                &intbuf[47]);
        m_decimator4.myDecimate(
                intbuf[48],
                intbuf[49],
                &intbuf[50],
                &intbuf[51]);
        m_decimator4.myDecimate(
                intbuf[52],
                intbuf[53],
                &intbuf[54],
                &intbuf[55]);
        m_decimator4.myDecimate(
                intbuf[56],
                intbuf[57],
                &intbuf[58],
                &intbuf[59]);
        m_decimator4.myDecimate(
                intbuf[60],
                intbuf[61],
                &intbuf[62],
                &intbuf[63]);

        m_decimator8.myDecimate(
                intbuf[2],
                intbuf[3],
                &intbuf[6],
                &intbuf[7]);
        m_decimator8.myDecimate(
                intbuf[10],
                intbuf[11],
                &intbuf[14],
                &intbuf[15]);
        m_decimator8.myDecimate(
                intbuf[18],
                intbuf[19],
                &intbuf[22],
                &intbuf[23]);
        m_decimator8.myDecimate(
                intbuf[26],
                intbuf[27],
                &intbuf[30],
                &intbuf[31]);
        m_decimator8.myDecimate(
                intbuf[34],
                intbuf[35],
                &intbuf[38],
                &intbuf[39]);
        m_decimator8.myDecimate(
                intbuf[42],
                intbuf[43],
                &intbuf[46],
                &intbuf[47]);
        m_decimator8.myDecimate(
                intbuf[50],
                intbuf[51],
                &intbuf[54],
                &intbuf[55]);
        m_decimator8.myDecimate(
                intbuf[58],
                intbuf[59],
                &intbuf[62],
                &intbuf[63]);

        m_decimator16.myDecimate(
                intbuf[6],
                intbuf[7],
                &intbuf[14],
                &intbuf[15]);
        m_decimator16.myDecimate(
                intbuf[22],
                intbuf[23],
                &intbuf[30],
                &intbuf[31]);
        m_decimator16.myDecimate(
                intbuf[38],
                intbuf[39],
                &intbuf[46],
                &intbuf[47]);
        m_decimator16.myDecimate(
                intbuf[54],
                intbuf[55],
                &intbuf[62],
                &intbuf[63]);

        m_decimator32.myDecimate(
                intbuf[14],
                intbuf[15],
                &intbuf[30],
                &intbuf[31]);
        m_decimator32.myDecimate(
                intbuf[46],
                intbuf[47],
                &intbuf[62],
                &intbuf[63]);

        m_decimator64.myDecimate(
                intbuf[30],
                intbuf[31],
                &intbuf[62],
                &intbuf[63]);

        (*it).setReal(intbuf[62] >> decimation_shifts<SdrBits, InputBits>::post64);
        (*it).setImag(intbuf[63] >> decimation_shifts<SdrBits, InputBits>::post64);
        fifo.bumpIndex(it);
    }
}

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decimate64_inf()

template<typename T , uint32_t SdrBits, uint32_t InputBits>

void SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate64_inf	(	SampleSinkFifoDoubleBuffered &	fifo,
		const T *	buf,
		qint32	len
	)

Definition at line 451 of file samplesinkfifodecimator.h.

References SampleSinkFifoDoubleBuffered::bumpIndex(), SampleSinkFifoDoubleBuffered::getWriteIterator(), and i.

{
    qint32 xreal[16], yimag[16];
    SampleVector::iterator it;

    fifo.getWriteIterator(it);

    for (int pos = 0; pos < len - 127; )
    {
        for (int i = 0; i < 16; i++)
        {
            xreal[i] = (buf[pos+0] - buf[pos+3] + buf[pos+7] - buf[pos+4]) << decimation_shifts<SdrBits, InputBits>::pre64;
            yimag[i] = (buf[pos+1] - buf[pos+5] + buf[pos+2] - buf[pos+6]) << decimation_shifts<SdrBits, InputBits>::pre64;
            pos += 8;
        }

        m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]);
        m_decimator2.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]);
        m_decimator2.myDecimate(xreal[4], yimag[4], &xreal[5], &yimag[5]);
        m_decimator2.myDecimate(xreal[6], yimag[6], &xreal[7], &yimag[7]);
        m_decimator2.myDecimate(xreal[8], yimag[8], &xreal[9], &yimag[9]);
        m_decimator2.myDecimate(xreal[10], yimag[10], &xreal[11], &yimag[11]);
        m_decimator2.myDecimate(xreal[12], yimag[12], &xreal[13], &yimag[13]);
        m_decimator2.myDecimate(xreal[14], yimag[14], &xreal[15], &yimag[15]);

        m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]);
        m_decimator4.myDecimate(xreal[5], yimag[5], &xreal[7], &yimag[7]);
        m_decimator4.myDecimate(xreal[9], yimag[9], &xreal[11], &yimag[11]);
        m_decimator4.myDecimate(xreal[13], yimag[13], &xreal[15], &yimag[15]);

        m_decimator8.myDecimate(xreal[3], yimag[3], &xreal[7], &yimag[7]);
        m_decimator8.myDecimate(xreal[11], yimag[11], &xreal[15], &yimag[15]);

        m_decimator16.myDecimate(xreal[7], yimag[7], &xreal[15], &yimag[15]);

        (*it).setReal(xreal[15] >> decimation_shifts<SdrBits, InputBits>::post64);
        (*it).setImag(yimag[15] >> decimation_shifts<SdrBits, InputBits>::post64);

        fifo.bumpIndex(it);
    }
}

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decimate64_sup()

template<typename T , uint32_t SdrBits, uint32_t InputBits>

void SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate64_sup	(	SampleSinkFifoDoubleBuffered &	fifo,
		const T *	buf,
		qint32	len
	)

Definition at line 494 of file samplesinkfifodecimator.h.

References SampleSinkFifoDoubleBuffered::bumpIndex(), SampleSinkFifoDoubleBuffered::getWriteIterator(), and i.

{
    qint32 xreal[16], yimag[16];
    SampleVector::iterator it;

    fifo.getWriteIterator(it);

    for (int pos = 0; pos < len - 127; )
    {
        for (int i = 0; i < 16; i++)
        {
            xreal[i] = (buf[pos+1] - buf[pos+2] - buf[pos+5] + buf[pos+6]) << decimation_shifts<SdrBits, InputBits>::pre32;
            yimag[i] = (buf[pos+4] + buf[pos+7] - buf[pos+0] - buf[pos+3]) << decimation_shifts<SdrBits, InputBits>::pre32;
            pos += 8;
        }

        m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]);
        m_decimator2.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]);
        m_decimator2.myDecimate(xreal[4], yimag[4], &xreal[5], &yimag[5]);
        m_decimator2.myDecimate(xreal[6], yimag[6], &xreal[7], &yimag[7]);
        m_decimator2.myDecimate(xreal[8], yimag[8], &xreal[9], &yimag[9]);
        m_decimator2.myDecimate(xreal[10], yimag[10], &xreal[11], &yimag[11]);
        m_decimator2.myDecimate(xreal[12], yimag[12], &xreal[13], &yimag[13]);
        m_decimator2.myDecimate(xreal[14], yimag[14], &xreal[15], &yimag[15]);

        m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]);
        m_decimator4.myDecimate(xreal[5], yimag[5], &xreal[7], &yimag[7]);
        m_decimator4.myDecimate(xreal[9], yimag[9], &xreal[11], &yimag[11]);
        m_decimator4.myDecimate(xreal[13], yimag[13], &xreal[15], &yimag[15]);

        m_decimator8.myDecimate(xreal[3], yimag[3], &xreal[7], &yimag[7]);
        m_decimator8.myDecimate(xreal[11], yimag[11], &xreal[15], &yimag[15]);

        m_decimator16.myDecimate(xreal[7], yimag[7], &xreal[15], &yimag[15]);

        (*it).setReal(xreal[15] >> decimation_shifts<SdrBits, InputBits>::post64);
        (*it).setImag(yimag[15] >> decimation_shifts<SdrBits, InputBits>::post64);

        fifo.bumpIndex(it);
    }
}

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decimate8_cen()

template<typename T , uint32_t SdrBits, uint32_t InputBits>

void SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate8_cen	(	SampleSinkFifoDoubleBuffered &	fifo,
		const T *	buf,
		qint32	len
	)

Definition at line 600 of file samplesinkfifodecimator.h.

References SampleSinkFifoDoubleBuffered::bumpIndex(), and SampleSinkFifoDoubleBuffered::getWriteIterator().

{
    qint32 intbuf[8];
    SampleVector::iterator it;

    fifo.getWriteIterator(it);

    for (int pos = 0; pos < len - 15; pos += 16)
    {
        intbuf[0]  = buf[pos+2] << decimation_shifts<SdrBits, InputBits>::pre8;
        intbuf[1]  = buf[pos+3] << decimation_shifts<SdrBits, InputBits>::pre8;
        intbuf[2]  = buf[pos+6] << decimation_shifts<SdrBits, InputBits>::pre8;
        intbuf[3]  = buf[pos+7] << decimation_shifts<SdrBits, InputBits>::pre8;
        intbuf[4]  = buf[pos+10] << decimation_shifts<SdrBits, InputBits>::pre8;
        intbuf[5]  = buf[pos+11] << decimation_shifts<SdrBits, InputBits>::pre8;
        intbuf[6]  = buf[pos+14] << decimation_shifts<SdrBits, InputBits>::pre8;
        intbuf[7]  = buf[pos+15] << decimation_shifts<SdrBits, InputBits>::pre8;

        m_decimator2.myDecimate(
                buf[pos+0] << decimation_shifts<SdrBits, InputBits>::pre8,
                buf[pos+1] << decimation_shifts<SdrBits, InputBits>::pre8,
                &intbuf[0],
                &intbuf[1]);
        m_decimator2.myDecimate(
                buf[pos+4] << decimation_shifts<SdrBits, InputBits>::pre8,
                buf[pos+5] << decimation_shifts<SdrBits, InputBits>::pre8,
                &intbuf[2],
                &intbuf[3]);
        m_decimator2.myDecimate(
                buf[pos+8] << decimation_shifts<SdrBits, InputBits>::pre8,
                buf[pos+9] << decimation_shifts<SdrBits, InputBits>::pre8,
                &intbuf[4],
                &intbuf[5]);
        m_decimator2.myDecimate(
                buf[pos+12] << decimation_shifts<SdrBits, InputBits>::pre8,
                buf[pos+13] << decimation_shifts<SdrBits, InputBits>::pre8,
                &intbuf[6],
                &intbuf[7]);

        m_decimator4.myDecimate(
                intbuf[0],
                intbuf[1],
                &intbuf[2],
                &intbuf[3]);
        m_decimator4.myDecimate(
                intbuf[4],
                intbuf[5],
                &intbuf[6],
                &intbuf[7]);

        m_decimator8.myDecimate(
                intbuf[2],
                intbuf[3],
                &intbuf[6],
                &intbuf[7]);

        (*it).setReal(intbuf[6] >> decimation_shifts<SdrBits, InputBits>::post8);
        (*it).setImag(intbuf[7] >> decimation_shifts<SdrBits, InputBits>::post8);
        fifo.bumpIndex(it);
    }
}

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decimate8_inf()

template<typename T , uint32_t SdrBits, uint32_t InputBits>

void SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate8_inf	(	SampleSinkFifoDoubleBuffered &	fifo,
		const T *	buf,
		qint32	len
	)

Definition at line 269 of file samplesinkfifodecimator.h.

References SampleSinkFifoDoubleBuffered::bumpIndex(), and SampleSinkFifoDoubleBuffered::getWriteIterator().

{
    qint32 xreal[2], yimag[2];
    SampleVector::iterator it;

    fifo.getWriteIterator(it);

    for (int pos = 0; pos < len - 15; pos += 8)
    {
        xreal[0] = (buf[pos+0] - buf[pos+3] + buf[pos+7] - buf[pos+4]) << decimation_shifts<SdrBits, InputBits>::pre8;
        yimag[0] = (buf[pos+1] - buf[pos+5] + buf[pos+2] - buf[pos+6]) << decimation_shifts<SdrBits, InputBits>::pre8;
        pos += 8;

        xreal[1] = (buf[pos+0] - buf[pos+3] + buf[pos+7] - buf[pos+4]) << decimation_shifts<SdrBits, InputBits>::pre8;
        yimag[1] = (buf[pos+1] - buf[pos+5] + buf[pos+2] - buf[pos+6]) << decimation_shifts<SdrBits, InputBits>::pre8;

        m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]);

        (*it).setReal(xreal[1] >> decimation_shifts<SdrBits, InputBits>::post8);
        (*it).setImag(yimag[1] >> decimation_shifts<SdrBits, InputBits>::post8);

        fifo.bumpIndex(it);
    }
}

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decimate8_sup()

template<typename T , uint32_t SdrBits, uint32_t InputBits>

void SampleSinkFifoDecimator< T, SdrBits, InputBits >::decimate8_sup	(	SampleSinkFifoDoubleBuffered &	fifo,
		const T *	buf,
		qint32	len
	)

Definition at line 295 of file samplesinkfifodecimator.h.

References SampleSinkFifoDoubleBuffered::bumpIndex(), and SampleSinkFifoDoubleBuffered::getWriteIterator().

{
    qint32 xreal[2], yimag[2];
    SampleVector::iterator it;

    fifo.getWriteIterator(it);

    for (int pos = 0; pos < len - 15; pos += 8)
    {
        xreal[0] = (buf[pos+1] - buf[pos+2] - buf[pos+5] + buf[pos+6]) << decimation_shifts<SdrBits, InputBits>::pre8;
        yimag[0] = (- buf[pos+0] - buf[pos+3] + buf[pos+4] + buf[pos+7]) << decimation_shifts<SdrBits, InputBits>::pre8;
        pos += 8;

        xreal[1] = (buf[pos+1] - buf[pos+2] - buf[pos+5] + buf[pos+6]) << decimation_shifts<SdrBits, InputBits>::pre8;
        yimag[1] = (- buf[pos+0] - buf[pos+3] + buf[pos+4] + buf[pos+7]) << decimation_shifts<SdrBits, InputBits>::pre8;

        m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]);

        (*it).setReal(xreal[1] >> decimation_shifts<SdrBits, InputBits>::post8);
        (*it).setImag(yimag[1] >> decimation_shifts<SdrBits, InputBits>::post8);

        fifo.bumpIndex(it);
    }
}

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Member Data Documentation

m_decimator16

template<typename T , uint32_t SdrBits, uint32_t InputBits>

IntHalfbandFilter<qint32, 32> SampleSinkFifoDecimator< T, SdrBits, InputBits >::m_decimator16

private

Definition at line 127 of file samplesinkfifodecimator.h.

m_decimator2

template<typename T , uint32_t SdrBits, uint32_t InputBits>

IntHalfbandFilter<qint32, 32> SampleSinkFifoDecimator< T, SdrBits, InputBits >::m_decimator2

private

Definition at line 124 of file samplesinkfifodecimator.h.

m_decimator32

template<typename T , uint32_t SdrBits, uint32_t InputBits>

IntHalfbandFilter<qint32, 32> SampleSinkFifoDecimator< T, SdrBits, InputBits >::m_decimator32

private

Definition at line 128 of file samplesinkfifodecimator.h.

m_decimator4

template<typename T , uint32_t SdrBits, uint32_t InputBits>

IntHalfbandFilter<qint32, 32> SampleSinkFifoDecimator< T, SdrBits, InputBits >::m_decimator4

private

Definition at line 125 of file samplesinkfifodecimator.h.

m_decimator64

template<typename T , uint32_t SdrBits, uint32_t InputBits>

IntHalfbandFilter<qint32, 32> SampleSinkFifoDecimator< T, SdrBits, InputBits >::m_decimator64

private

Definition at line 129 of file samplesinkfifodecimator.h.

m_decimator8

template<typename T , uint32_t SdrBits, uint32_t InputBits>

IntHalfbandFilter<qint32, 32> SampleSinkFifoDecimator< T, SdrBits, InputBits >::m_decimator8

private

Definition at line 126 of file samplesinkfifodecimator.h.

---

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

• sdrbase/dsp/samplesinkfifodecimator.h