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sdrangel/sdrbase/dsp/samplesinkfifodecimator.h

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2015 Edouard Griffiths, F4EXB //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_DSP_SAMPLESINKFIFODECIMATOR_H_
#define INCLUDE_DSP_SAMPLESINKFIFODECIMATOR_H_
#include <stdint.h>
#include "dsp/dsptypes.h"
#include "dsp/inthalfbandfilter.h"
#include "samplesinkfifodoublebuffered.h"
template<uint32_t SdrBits, uint32_t InputBits>
struct decimation_shifts
{
static const uint32_t pre1 = 0;
static const uint32_t pre2 = 0;
static const uint32_t post2 = 0;
static const uint32_t pre4 = 0;
static const uint32_t post4 = 0;
static const uint32_t pre8 = 0;
static const uint32_t post8 = 0;
static const uint32_t pre16 = 0;
static const uint32_t post16 = 0;
static const uint32_t pre32 = 0;
static const uint32_t post32 = 0;
static const uint32_t pre64 = 0;
static const uint32_t post64 = 0;
};
template<>
struct decimation_shifts<16, 16>
{
static const uint32_t pre1 = 0;
static const uint32_t pre2 = 0;
static const uint32_t post2 = 1;
static const uint32_t pre4 = 0;
static const uint32_t post4 = 2;
static const uint32_t pre8 = 0;
static const uint32_t post8 = 3;
static const uint32_t pre16 = 0;
static const uint32_t post16 = 4;
static const uint32_t pre32 = 0;
static const uint32_t post32 = 5;
static const uint32_t pre64 = 0;
static const uint32_t post64 = 6;
};
template<>
struct decimation_shifts<16, 12>
{
static const uint32_t pre1 = 4;
static const uint32_t pre2 = 3;
static const uint32_t post2 = 0;
static const uint32_t pre4 = 2;
static const uint32_t post4 = 0;
static const uint32_t pre8 = 1;
static const uint32_t post8 = 0;
static const uint32_t pre16 = 0;
static const uint32_t post16 = 0;
static const uint32_t pre32 = 0;
static const uint32_t post32 = 1;
static const uint32_t pre64 = 0;
static const uint32_t post64 = 2;
};
template<>
struct decimation_shifts<16, 8>
{
static const uint32_t pre1 = 6;
static const uint32_t pre2 = 5;
static const uint32_t post2 = 0;
static const uint32_t pre4 = 4;
static const uint32_t post4 = 0;
static const uint32_t pre8 = 3;
static const uint32_t post8 = 0;
static const uint32_t pre16 = 2;
static const uint32_t post16 = 0;
static const uint32_t pre32 = 1;
static const uint32_t post32 = 0;
static const uint32_t pre64 = 0;
static const uint32_t post64 = 0;
};
template<typename T, uint32_t SdrBits, uint32_t InputBits>
class SampleSinkFifoDecimator
{
public:
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:
IntHalfbandFilter<qint32, 32> m_decimator2; // 1st stages
IntHalfbandFilter<qint32, 32> m_decimator4; // 2nd stages
IntHalfbandFilter<qint32, 32> m_decimator8; // 3rd stages
IntHalfbandFilter<qint32, 32> m_decimator16; // 4th stages
IntHalfbandFilter<qint32, 32> m_decimator32; // 5th stages
IntHalfbandFilter<qint32, 32> m_decimator64; // 6th stages
};
template<typename T, uint32_t SdrBits, uint32_t InputBits>
void SampleSinkFifoDecimator<T, SdrBits, InputBits>::decimate1(SampleSinkFifoDoubleBuffered& fifo, const T* buf, qint32 len)
{
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);
}
}
template<typename T, uint32_t SdrBits, uint32_t InputBits>
void SampleSinkFifoDecimator<T, SdrBits, InputBits>::decimate2_u(SampleSinkFifoDoubleBuffered& fifo, const T* buf, qint32 len)
{
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);
}
}
template<typename T, uint32_t SdrBits, uint32_t InputBits>
void SampleSinkFifoDecimator<T, SdrBits, InputBits>::decimate2_inf(SampleSinkFifoDoubleBuffered& fifo, const T* buf, qint32 len)
{
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);
}
}
template<typename T, uint32_t SdrBits, uint32_t InputBits>
void SampleSinkFifoDecimator<T, SdrBits, InputBits>::decimate2_sup(SampleSinkFifoDoubleBuffered& fifo, const T* buf, qint32 len)
{
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);
}
}
template<typename T, uint32_t SdrBits, uint32_t InputBits>
void SampleSinkFifoDecimator<T, SdrBits, InputBits>::decimate4_inf(SampleSinkFifoDoubleBuffered& fifo, const T* buf, qint32 len)
{
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);
}
}
template<typename T, uint32_t SdrBits, uint32_t InputBits>
void SampleSinkFifoDecimator<T, SdrBits, InputBits>::decimate4_sup(SampleSinkFifoDoubleBuffered& fifo, const T* buf, qint32 len)
{
// 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);
}
}
template<typename T, uint32_t SdrBits, uint32_t InputBits>
void SampleSinkFifoDecimator<T, SdrBits, InputBits>::decimate8_inf(SampleSinkFifoDoubleBuffered& fifo, const T* buf, qint32 len)
{
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);
}
}
template<typename T, uint32_t SdrBits, uint32_t InputBits>
void SampleSinkFifoDecimator<T, SdrBits, InputBits>::decimate8_sup(SampleSinkFifoDoubleBuffered& fifo, const T* buf, qint32 len)
{
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);
}
}
template<typename T, uint32_t SdrBits, uint32_t InputBits>
void SampleSinkFifoDecimator<T, SdrBits, InputBits>::decimate16_inf(SampleSinkFifoDoubleBuffered& fifo, const T* buf, qint32 len)
{
// 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);
}
}
template<typename T, uint32_t SdrBits, uint32_t InputBits>
void SampleSinkFifoDecimator<T, SdrBits, InputBits>::decimate16_sup(SampleSinkFifoDoubleBuffered& fifo, const T* buf, qint32 len)
{
// 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);
}
}
template<typename T, uint32_t SdrBits, uint32_t InputBits>
void SampleSinkFifoDecimator<T, SdrBits, InputBits>::decimate32_inf(SampleSinkFifoDoubleBuffered& fifo, const T* buf, qint32 len)
{
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);
}
}
template<typename T, uint32_t SdrBits, uint32_t InputBits>
void SampleSinkFifoDecimator<T, SdrBits, InputBits>::decimate32_sup(SampleSinkFifoDoubleBuffered& fifo, const T* buf, qint32 len)
{
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);
}
}
template<typename T, uint32_t SdrBits, uint32_t InputBits>
void SampleSinkFifoDecimator<T, SdrBits, InputBits>::decimate64_inf(SampleSinkFifoDoubleBuffered& fifo, const T* buf, qint32 len)
{
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);
}
}
template<typename T, uint32_t SdrBits, uint32_t InputBits>
void SampleSinkFifoDecimator<T, SdrBits, InputBits>::decimate64_sup(SampleSinkFifoDoubleBuffered& fifo, const T* buf, qint32 len)
{
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);
}
}
template<typename T, uint32_t SdrBits, uint32_t InputBits>
void SampleSinkFifoDecimator<T, SdrBits, InputBits>::decimate2_cen(SampleSinkFifoDoubleBuffered& fifo, const T* buf, qint32 len)
{
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);
}
}
template<typename T, uint32_t SdrBits, uint32_t InputBits>
void SampleSinkFifoDecimator<T, SdrBits, InputBits>::decimate4_cen(SampleSinkFifoDoubleBuffered& fifo, const T* buf, qint32 len)
{
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);
}
}
template<typename T, uint32_t SdrBits, uint32_t InputBits>
void SampleSinkFifoDecimator<T, SdrBits, InputBits>::decimate8_cen(SampleSinkFifoDoubleBuffered& fifo, const T* buf, qint32 len)
{
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);
}
}
template<typename T, uint32_t SdrBits, uint32_t InputBits>
void SampleSinkFifoDecimator<T, SdrBits, InputBits>::decimate16_cen(SampleSinkFifoDoubleBuffered& fifo, const T* buf, qint32 len)
{
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);
}
}
template<typename T, uint32_t SdrBits, uint32_t InputBits>
void SampleSinkFifoDecimator<T, SdrBits, InputBits>::decimate32_cen(SampleSinkFifoDoubleBuffered& fifo, const T* buf, qint32 len)
{
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);
}
}
template<typename T, uint32_t SdrBits, uint32_t InputBits>
void SampleSinkFifoDecimator<T, SdrBits, InputBits>::decimate64_cen(SampleSinkFifoDoubleBuffered& fifo, const T* buf, qint32 len)
{
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);
}
}
#endif /* INCLUDE_DSP_SAMPLESINKFIFODECIMATOR_H_ */
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