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sdrangel/sdrbase/dsp/interpolators.h
f4exb 61a16eade9 Use always 16 bit DSP on Tx side
2018-01-22 10:46:57 +01:00

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2016-2017 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 //
// //
// 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_GPL_DSP_INTERPOLATORS_H_
#define INCLUDE_GPL_DSP_INTERPOLATORS_H_
#include "dsp/dsptypes.h"
#ifdef USE_SSE4_1
#include "dsp/inthalfbandfiltereo1.h"
#else
#include "dsp/inthalfbandfilterdb.h"
#endif
#define INTERPOLATORS_HB_FILTER_ORDER_FIRST 64
#define INTERPOLATORS_HB_FILTER_ORDER_SECOND 32
#define INTERPOLATORS_HB_FILTER_ORDER_NEXT 16
template<uint SdrBits, uint OutputBits>
struct interpolation_shifts
{
static const uint post1 = 0;
static const uint pre2 = 0;
static const uint post2 = 0;
static const uint pre4 = 0;
static const uint post4 = 0;
static const uint pre8 = 0;
static const uint post8 = 0;
static const uint pre16 = 0;
static const uint post16 = 0;
static const uint pre32 = 0;
static const uint post32 = 0;
static const uint pre64 = 0;
static const uint post64 = 0;
};
template<>
struct interpolation_shifts<16, 16>
{
static const uint post1 = 0;
static const uint pre2 = 1;
static const uint post2 = 1;
static const uint pre4 = 2;
static const uint post4 = 2;
static const uint pre8 = 3;
static const uint post8 = 3;
static const uint pre16 = 3;
static const uint post16 = 3;
static const uint pre32 = 3;
static const uint post32 = 3;
static const uint pre64 = 3;
static const uint post64 = 3;
};
template<>
struct interpolation_shifts<16, 12>
{
static const uint post1 = 4;
static const uint pre2 = 1;
static const uint post2 = 5;
static const uint pre4 = 2;
static const uint post4 = 6;
static const uint pre8 = 3;
static const uint post8 = 7;
static const uint pre16 = 3;
static const uint post16 = 7;
static const uint pre32 = 3;
static const uint post32 = 7;
static const uint pre64 = 3;
static const uint post64 = 7;
};
template<>
struct interpolation_shifts<16, 8>
{
static const uint post1 = 8;
static const uint pre2 = 1;
static const uint post2 = 9;
static const uint pre4 = 2;
static const uint post4 = 10;
static const uint pre8 = 3;
static const uint post8 = 11;
static const uint pre16 = 3;
static const uint post16 = 11;
static const uint pre32 = 3;
static const uint post32 = 11;
static const uint pre64 = 3;
static const uint post64 = 11;
};
template<typename T, uint SdrBits, uint OutputBits>
class Interpolators
{
public:
// interleaved I/Q input buffer
void interpolate1(SampleVector::iterator* it, T* buf, qint32 len);
void interpolate2_cen(SampleVector::iterator* it, T* buf, qint32 len);
void interpolate4_cen(SampleVector::iterator* it, T* buf, qint32 len);
void interpolate8_cen(SampleVector::iterator* it, T* buf, qint32 len);
void interpolate16_cen(SampleVector::iterator* it, T* buf, qint32 len);
void interpolate32_cen(SampleVector::iterator* it, T* buf, qint32 len);
void interpolate64_cen(SampleVector::iterator* it, T* buf, qint32 len);
private:
#ifdef USE_SSE4_1
IntHalfbandFilterEO1<INTERPOLATORS_HB_FILTER_ORDER_FIRST> m_interpolator2; // 1st stages
IntHalfbandFilterEO1<INTERPOLATORS_HB_FILTER_ORDER_SECOND> m_interpolator4; // 2nd stages
IntHalfbandFilterEO1<INTERPOLATORS_HB_FILTER_ORDER_NEXT> m_interpolator8; // 3rd stages
IntHalfbandFilterEO1<INTERPOLATORS_HB_FILTER_ORDER_NEXT> m_interpolator16; // 4th stages
IntHalfbandFilterEO1<INTERPOLATORS_HB_FILTER_ORDER_NEXT> m_interpolator32; // 5th stages
IntHalfbandFilterEO1<INTERPOLATORS_HB_FILTER_ORDER_NEXT> m_interpolator64; // 6th stages
#else
IntHalfbandFilterDB<qint32, INTERPOLATORS_HB_FILTER_ORDER_FIRST> m_interpolator2; // 1st stages
IntHalfbandFilterDB<qint32, INTERPOLATORS_HB_FILTER_ORDER_SECOND> m_interpolator4; // 2nd stages
IntHalfbandFilterDB<qint32, INTERPOLATORS_HB_FILTER_ORDER_NEXT> m_interpolator8; // 3rd stages
IntHalfbandFilterDB<qint32, INTERPOLATORS_HB_FILTER_ORDER_NEXT> m_interpolator16; // 4th stages
IntHalfbandFilterDB<qint32, INTERPOLATORS_HB_FILTER_ORDER_NEXT> m_interpolator32; // 5th stages
IntHalfbandFilterDB<qint32, INTERPOLATORS_HB_FILTER_ORDER_NEXT> m_interpolator64; // 6th stages
#endif
};
template<typename T, uint SdrBits, uint OutputBits>
void Interpolators<T, SdrBits, OutputBits>::interpolate1(SampleVector::iterator* it, T* buf, qint32 len)
{
for (int pos = 0; pos < len - 1; pos += 2)
{
buf[pos+0] = (**it).m_real >> interpolation_shifts<SdrBits, OutputBits>::post1;
buf[pos+1] = (**it).m_imag >> interpolation_shifts<SdrBits, OutputBits>::post1;
++(*it);
}
}
template<typename T, uint SdrBits, uint OutputBits>
void Interpolators<T, SdrBits, OutputBits>::interpolate2_cen(SampleVector::iterator* it, T* buf, qint32 len)
{
qint32 intbuf[4];
for (int pos = 0; pos < len - 3; pos += 4)
{
intbuf[0] = (**it).m_real << interpolation_shifts<SdrBits, OutputBits>::pre2;
intbuf[1] = (**it).m_imag << interpolation_shifts<SdrBits, OutputBits>::pre2;
// intbuf[2] = 0;
// intbuf[3] = 0;
m_interpolator2.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[2], &intbuf[3]);
buf[pos+0] = intbuf[0] >> interpolation_shifts<SdrBits, OutputBits>::post2;
buf[pos+1] = intbuf[1] >> interpolation_shifts<SdrBits, OutputBits>::post2;
buf[pos+2] = intbuf[2] >> interpolation_shifts<SdrBits, OutputBits>::post2;
buf[pos+3] = intbuf[3] >> interpolation_shifts<SdrBits, OutputBits>::post2;
++(*it);
}
}
template<typename T, uint SdrBits, uint OutputBits>
void Interpolators<T, SdrBits, OutputBits>::interpolate4_cen(SampleVector::iterator* it, T* buf, qint32 len)
{
qint32 intbuf[8];
for (int pos = 0; pos < len - 7; pos += 8)
{
memset(intbuf, 0, 8*sizeof(qint32));
intbuf[0] = (**it).m_real << interpolation_shifts<SdrBits, OutputBits>::pre4;
intbuf[1] = (**it).m_imag << interpolation_shifts<SdrBits, OutputBits>::pre4;
m_interpolator2.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[4], &intbuf[5]);
m_interpolator4.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[2], &intbuf[3]);
m_interpolator4.myInterpolate(&intbuf[4], &intbuf[5], &intbuf[6], &intbuf[7]);
buf[pos+0] = intbuf[0] >> interpolation_shifts<SdrBits, OutputBits>::post4;
buf[pos+1] = intbuf[1] >> interpolation_shifts<SdrBits, OutputBits>::post4;
buf[pos+2] = intbuf[2] >> interpolation_shifts<SdrBits, OutputBits>::post4;
buf[pos+3] = intbuf[3] >> interpolation_shifts<SdrBits, OutputBits>::post4;
buf[pos+4] = intbuf[4] >> interpolation_shifts<SdrBits, OutputBits>::post4;
buf[pos+5] = intbuf[5] >> interpolation_shifts<SdrBits, OutputBits>::post4;
buf[pos+6] = intbuf[6] >> interpolation_shifts<SdrBits, OutputBits>::post4;
buf[pos+7] = intbuf[7] >> interpolation_shifts<SdrBits, OutputBits>::post4;
++(*it);
}
}
template<typename T, uint SdrBits, uint OutputBits>
void Interpolators<T, SdrBits, OutputBits>::interpolate8_cen(SampleVector::iterator* it, T* buf, qint32 len)
{
qint32 intbuf[16];
for (int pos = 0; pos < len - 15; pos += 16)
{
memset(intbuf, 0, 16*sizeof(qint32));
intbuf[0] = (**it).m_real << interpolation_shifts<SdrBits, OutputBits>::pre8;
intbuf[1] = (**it).m_imag << interpolation_shifts<SdrBits, OutputBits>::pre8;
m_interpolator2.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[8], &intbuf[9]);
m_interpolator4.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[4], &intbuf[5]);
m_interpolator4.myInterpolate(&intbuf[8], &intbuf[9], &intbuf[12], &intbuf[13]);
m_interpolator8.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[2], &intbuf[3]);
m_interpolator8.myInterpolate(&intbuf[4], &intbuf[5], &intbuf[6], &intbuf[7]);
m_interpolator8.myInterpolate(&intbuf[8], &intbuf[9], &intbuf[10], &intbuf[11]);
m_interpolator8.myInterpolate(&intbuf[12], &intbuf[13], &intbuf[14], &intbuf[15]);
buf[pos+0] = intbuf[0] >> interpolation_shifts<SdrBits, OutputBits>::post8;
buf[pos+1] = intbuf[1] >> interpolation_shifts<SdrBits, OutputBits>::post8;
buf[pos+2] = intbuf[2] >> interpolation_shifts<SdrBits, OutputBits>::post8;
buf[pos+3] = intbuf[3] >> interpolation_shifts<SdrBits, OutputBits>::post8;
buf[pos+4] = intbuf[4] >> interpolation_shifts<SdrBits, OutputBits>::post8;
buf[pos+5] = intbuf[5] >> interpolation_shifts<SdrBits, OutputBits>::post8;
buf[pos+6] = intbuf[6] >> interpolation_shifts<SdrBits, OutputBits>::post8;
buf[pos+7] = intbuf[7] >> interpolation_shifts<SdrBits, OutputBits>::post8;
buf[pos+8] = intbuf[8] >> interpolation_shifts<SdrBits, OutputBits>::post8;
buf[pos+9] = intbuf[9] >> interpolation_shifts<SdrBits, OutputBits>::post8;
buf[pos+10] = intbuf[10] >> interpolation_shifts<SdrBits, OutputBits>::post8;
buf[pos+11] = intbuf[11] >> interpolation_shifts<SdrBits, OutputBits>::post8;
buf[pos+12] = intbuf[12] >> interpolation_shifts<SdrBits, OutputBits>::post8;
buf[pos+13] = intbuf[13] >> interpolation_shifts<SdrBits, OutputBits>::post8;
buf[pos+14] = intbuf[14] >> interpolation_shifts<SdrBits, OutputBits>::post8;
buf[pos+15] = intbuf[15] >> interpolation_shifts<SdrBits, OutputBits>::post8;
++(*it);
}
}
template<typename T, uint SdrBits, uint OutputBits>
void Interpolators<T, SdrBits, OutputBits>::interpolate16_cen(SampleVector::iterator* it, T* buf, qint32 len)
{
qint32 intbuf[32];
for (int pos = 0; pos < len - 31; pos += 32)
{
memset(intbuf, 0, 32*sizeof(qint32));
intbuf[0] = (**it).m_real << interpolation_shifts<SdrBits, OutputBits>::pre16;
intbuf[1] = (**it).m_imag << interpolation_shifts<SdrBits, OutputBits>::pre16;
m_interpolator2.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[16], &intbuf[17]);
m_interpolator4.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[8], &intbuf[9]);
m_interpolator4.myInterpolate(&intbuf[16], &intbuf[17], &intbuf[24], &intbuf[25]);
m_interpolator8.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[4], &intbuf[5]);
m_interpolator8.myInterpolate(&intbuf[8], &intbuf[9], &intbuf[12], &intbuf[13]);
m_interpolator8.myInterpolate(&intbuf[16], &intbuf[17], &intbuf[20], &intbuf[21]);
m_interpolator8.myInterpolate(&intbuf[24], &intbuf[25], &intbuf[28], &intbuf[29]);
m_interpolator16.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[2], &intbuf[3]);
m_interpolator16.myInterpolate(&intbuf[4], &intbuf[5], &intbuf[6], &intbuf[7]);
m_interpolator16.myInterpolate(&intbuf[8], &intbuf[9], &intbuf[10], &intbuf[11]);
m_interpolator16.myInterpolate(&intbuf[12], &intbuf[13], &intbuf[14], &intbuf[15]);
m_interpolator16.myInterpolate(&intbuf[16], &intbuf[17], &intbuf[18], &intbuf[19]);
m_interpolator16.myInterpolate(&intbuf[20], &intbuf[21], &intbuf[22], &intbuf[23]);
m_interpolator16.myInterpolate(&intbuf[24], &intbuf[25], &intbuf[26], &intbuf[27]);
m_interpolator16.myInterpolate(&intbuf[28], &intbuf[29], &intbuf[30], &intbuf[31]);
buf[pos+0] = intbuf[0] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+1] = intbuf[1] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+2] = intbuf[2] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+3] = intbuf[3] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+4] = intbuf[4] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+5] = intbuf[5] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+6] = intbuf[6] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+7] = intbuf[7] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+8] = intbuf[8] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+9] = intbuf[9] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+10] = intbuf[10] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+11] = intbuf[11] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+12] = intbuf[12] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+13] = intbuf[13] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+14] = intbuf[14] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+15] = intbuf[15] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+16] = intbuf[16] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+17] = intbuf[17] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+18] = intbuf[18] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+19] = intbuf[19] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+20] = intbuf[20] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+21] = intbuf[21] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+22] = intbuf[22] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+23] = intbuf[23] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+24] = intbuf[24] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+25] = intbuf[25] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+26] = intbuf[26] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+27] = intbuf[27] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+28] = intbuf[28] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+29] = intbuf[29] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+30] = intbuf[30] >> interpolation_shifts<SdrBits, OutputBits>::post16;
buf[pos+31] = intbuf[31] >> interpolation_shifts<SdrBits, OutputBits>::post16;
++(*it);
}
}
template<typename T, uint SdrBits, uint OutputBits>
void Interpolators<T, SdrBits, OutputBits>::interpolate32_cen(SampleVector::iterator* it, T* buf, qint32 len)
{
qint32 intbuf[64];
for (int pos = 0; pos < len - 63; pos += 64)
{
memset(intbuf, 0, 64*sizeof(qint32));
intbuf[0] = (**it).m_real << interpolation_shifts<SdrBits, OutputBits>::pre32;
intbuf[1] = (**it).m_imag << interpolation_shifts<SdrBits, OutputBits>::pre32;
m_interpolator2.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[32], &intbuf[33]);
m_interpolator4.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[16], &intbuf[17]);
m_interpolator4.myInterpolate(&intbuf[32], &intbuf[33], &intbuf[48], &intbuf[49]);
m_interpolator8.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[8], &intbuf[9]);
m_interpolator8.myInterpolate(&intbuf[16], &intbuf[17], &intbuf[24], &intbuf[25]);
m_interpolator8.myInterpolate(&intbuf[32], &intbuf[33], &intbuf[40], &intbuf[41]);
m_interpolator8.myInterpolate(&intbuf[48], &intbuf[49], &intbuf[56], &intbuf[57]);
m_interpolator16.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[4], &intbuf[5]);
m_interpolator16.myInterpolate(&intbuf[8], &intbuf[9], &intbuf[12], &intbuf[13]);
m_interpolator16.myInterpolate(&intbuf[16], &intbuf[17], &intbuf[20], &intbuf[21]);
m_interpolator16.myInterpolate(&intbuf[24], &intbuf[25], &intbuf[28], &intbuf[29]);
m_interpolator16.myInterpolate(&intbuf[32], &intbuf[33], &intbuf[36], &intbuf[37]);
m_interpolator16.myInterpolate(&intbuf[40], &intbuf[41], &intbuf[44], &intbuf[45]);
m_interpolator16.myInterpolate(&intbuf[48], &intbuf[49], &intbuf[52], &intbuf[53]);
m_interpolator16.myInterpolate(&intbuf[56], &intbuf[57], &intbuf[60], &intbuf[61]);
m_interpolator32.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[2], &intbuf[3]);
m_interpolator32.myInterpolate(&intbuf[4], &intbuf[5], &intbuf[6], &intbuf[7]);
m_interpolator32.myInterpolate(&intbuf[8], &intbuf[9], &intbuf[10], &intbuf[11]);
m_interpolator32.myInterpolate(&intbuf[12], &intbuf[13], &intbuf[14], &intbuf[15]);
m_interpolator32.myInterpolate(&intbuf[16], &intbuf[17], &intbuf[18], &intbuf[19]);
m_interpolator32.myInterpolate(&intbuf[20], &intbuf[21], &intbuf[22], &intbuf[23]);
m_interpolator32.myInterpolate(&intbuf[24], &intbuf[25], &intbuf[26], &intbuf[27]);
m_interpolator32.myInterpolate(&intbuf[28], &intbuf[29], &intbuf[30], &intbuf[31]);
m_interpolator32.myInterpolate(&intbuf[32], &intbuf[33], &intbuf[34], &intbuf[35]);
m_interpolator32.myInterpolate(&intbuf[36], &intbuf[37], &intbuf[38], &intbuf[39]);
m_interpolator32.myInterpolate(&intbuf[40], &intbuf[41], &intbuf[42], &intbuf[43]);
m_interpolator32.myInterpolate(&intbuf[44], &intbuf[45], &intbuf[46], &intbuf[47]);
m_interpolator32.myInterpolate(&intbuf[48], &intbuf[49], &intbuf[50], &intbuf[51]);
m_interpolator32.myInterpolate(&intbuf[52], &intbuf[53], &intbuf[54], &intbuf[55]);
m_interpolator32.myInterpolate(&intbuf[56], &intbuf[57], &intbuf[58], &intbuf[59]);
m_interpolator32.myInterpolate(&intbuf[60], &intbuf[61], &intbuf[62], &intbuf[63]);
buf[pos+0] = intbuf[0] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+1] = intbuf[1] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+2] = intbuf[2] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+3] = intbuf[3] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+4] = intbuf[4] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+5] = intbuf[5] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+6] = intbuf[6] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+7] = intbuf[7] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+8] = intbuf[8] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+9] = intbuf[9] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+10] = intbuf[10] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+11] = intbuf[11] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+12] = intbuf[12] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+13] = intbuf[13] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+14] = intbuf[14] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+15] = intbuf[15] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+16] = intbuf[16] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+17] = intbuf[17] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+18] = intbuf[18] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+19] = intbuf[19] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+20] = intbuf[20] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+21] = intbuf[21] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+22] = intbuf[22] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+23] = intbuf[23] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+24] = intbuf[24] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+25] = intbuf[25] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+26] = intbuf[26] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+27] = intbuf[27] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+28] = intbuf[28] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+29] = intbuf[29] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+30] = intbuf[30] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+31] = intbuf[31] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+32] = intbuf[32] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+33] = intbuf[33] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+34] = intbuf[34] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+35] = intbuf[35] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+36] = intbuf[36] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+37] = intbuf[37] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+38] = intbuf[38] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+39] = intbuf[39] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+40] = intbuf[40] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+41] = intbuf[41] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+42] = intbuf[42] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+43] = intbuf[43] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+44] = intbuf[44] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+45] = intbuf[45] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+46] = intbuf[46] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+47] = intbuf[47] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+48] = intbuf[48] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+49] = intbuf[49] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+50] = intbuf[50] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+51] = intbuf[51] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+52] = intbuf[52] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+53] = intbuf[53] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+54] = intbuf[54] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+55] = intbuf[55] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+56] = intbuf[56] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+57] = intbuf[57] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+58] = intbuf[58] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+59] = intbuf[59] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+60] = intbuf[60] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+61] = intbuf[61] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+62] = intbuf[62] >> interpolation_shifts<SdrBits, OutputBits>::post32;
buf[pos+63] = intbuf[63] >> interpolation_shifts<SdrBits, OutputBits>::post32;
++(*it);
}
}
template<typename T, uint SdrBits, uint OutputBits>
void Interpolators<T, SdrBits, OutputBits>::interpolate64_cen(SampleVector::iterator* it, T* buf, qint32 len)
{
qint32 intbuf[128];
for (int pos = 0; pos < len - 127; pos += 128)
{
memset(intbuf, 0, 128*sizeof(qint32));
intbuf[0] = (**it).m_real << interpolation_shifts<SdrBits, OutputBits>::pre64;
intbuf[1] = (**it).m_imag << interpolation_shifts<SdrBits, OutputBits>::pre64;
m_interpolator2.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[64], &intbuf[65]);
m_interpolator4.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[32], &intbuf[33]);
m_interpolator4.myInterpolate(&intbuf[64], &intbuf[65], &intbuf[96], &intbuf[97]);
m_interpolator8.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[16], &intbuf[17]);
m_interpolator8.myInterpolate(&intbuf[32], &intbuf[33], &intbuf[48], &intbuf[49]);
m_interpolator8.myInterpolate(&intbuf[64], &intbuf[65], &intbuf[80], &intbuf[81]);
m_interpolator8.myInterpolate(&intbuf[96], &intbuf[97], &intbuf[112], &intbuf[113]);
m_interpolator16.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[8], &intbuf[9]);
m_interpolator16.myInterpolate(&intbuf[16], &intbuf[17], &intbuf[24], &intbuf[25]);
m_interpolator16.myInterpolate(&intbuf[32], &intbuf[33], &intbuf[40], &intbuf[41]);
m_interpolator16.myInterpolate(&intbuf[48], &intbuf[49], &intbuf[56], &intbuf[57]);
m_interpolator16.myInterpolate(&intbuf[64], &intbuf[65], &intbuf[72], &intbuf[73]);
m_interpolator16.myInterpolate(&intbuf[80], &intbuf[81], &intbuf[88], &intbuf[89]);
m_interpolator16.myInterpolate(&intbuf[96], &intbuf[97], &intbuf[104], &intbuf[105]);
m_interpolator16.myInterpolate(&intbuf[112], &intbuf[113], &intbuf[120], &intbuf[121]);
m_interpolator32.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[4], &intbuf[5]);
m_interpolator32.myInterpolate(&intbuf[8], &intbuf[9], &intbuf[12], &intbuf[13]);
m_interpolator32.myInterpolate(&intbuf[16], &intbuf[17], &intbuf[20], &intbuf[21]);
m_interpolator32.myInterpolate(&intbuf[24], &intbuf[25], &intbuf[28], &intbuf[29]);
m_interpolator32.myInterpolate(&intbuf[32], &intbuf[33], &intbuf[36], &intbuf[37]);
m_interpolator32.myInterpolate(&intbuf[40], &intbuf[41], &intbuf[44], &intbuf[45]);
m_interpolator32.myInterpolate(&intbuf[48], &intbuf[49], &intbuf[52], &intbuf[53]);
m_interpolator32.myInterpolate(&intbuf[56], &intbuf[57], &intbuf[60], &intbuf[61]);
m_interpolator32.myInterpolate(&intbuf[64], &intbuf[65], &intbuf[68], &intbuf[69]);
m_interpolator32.myInterpolate(&intbuf[72], &intbuf[73], &intbuf[76], &intbuf[77]);
m_interpolator32.myInterpolate(&intbuf[80], &intbuf[81], &intbuf[84], &intbuf[85]);
m_interpolator32.myInterpolate(&intbuf[88], &intbuf[89], &intbuf[92], &intbuf[93]);
m_interpolator32.myInterpolate(&intbuf[96], &intbuf[97], &intbuf[100], &intbuf[101]);
m_interpolator32.myInterpolate(&intbuf[104], &intbuf[105], &intbuf[108], &intbuf[109]);
m_interpolator32.myInterpolate(&intbuf[112], &intbuf[113], &intbuf[116], &intbuf[117]);
m_interpolator32.myInterpolate(&intbuf[120], &intbuf[121], &intbuf[124], &intbuf[125]);
m_interpolator64.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[2], &intbuf[3]);
m_interpolator64.myInterpolate(&intbuf[4], &intbuf[5], &intbuf[6], &intbuf[7]);
m_interpolator64.myInterpolate(&intbuf[8], &intbuf[9], &intbuf[10], &intbuf[11]);
m_interpolator64.myInterpolate(&intbuf[12], &intbuf[13], &intbuf[14], &intbuf[15]);
m_interpolator64.myInterpolate(&intbuf[16], &intbuf[17], &intbuf[18], &intbuf[19]);
m_interpolator64.myInterpolate(&intbuf[20], &intbuf[21], &intbuf[22], &intbuf[23]);
m_interpolator64.myInterpolate(&intbuf[24], &intbuf[25], &intbuf[26], &intbuf[27]);
m_interpolator64.myInterpolate(&intbuf[28], &intbuf[29], &intbuf[30], &intbuf[31]);
m_interpolator64.myInterpolate(&intbuf[32], &intbuf[33], &intbuf[34], &intbuf[35]);
m_interpolator64.myInterpolate(&intbuf[36], &intbuf[37], &intbuf[38], &intbuf[39]);
m_interpolator64.myInterpolate(&intbuf[40], &intbuf[41], &intbuf[42], &intbuf[43]);
m_interpolator64.myInterpolate(&intbuf[44], &intbuf[45], &intbuf[46], &intbuf[47]);
m_interpolator64.myInterpolate(&intbuf[48], &intbuf[49], &intbuf[50], &intbuf[51]);
m_interpolator64.myInterpolate(&intbuf[52], &intbuf[53], &intbuf[54], &intbuf[55]);
m_interpolator64.myInterpolate(&intbuf[56], &intbuf[57], &intbuf[58], &intbuf[59]);
m_interpolator64.myInterpolate(&intbuf[60], &intbuf[61], &intbuf[62], &intbuf[63]);
m_interpolator64.myInterpolate(&intbuf[64], &intbuf[65], &intbuf[66], &intbuf[67]);
m_interpolator64.myInterpolate(&intbuf[68], &intbuf[69], &intbuf[70], &intbuf[71]);
m_interpolator64.myInterpolate(&intbuf[72], &intbuf[73], &intbuf[74], &intbuf[75]);
m_interpolator64.myInterpolate(&intbuf[76], &intbuf[77], &intbuf[78], &intbuf[79]);
m_interpolator64.myInterpolate(&intbuf[80], &intbuf[81], &intbuf[82], &intbuf[83]);
m_interpolator64.myInterpolate(&intbuf[84], &intbuf[85], &intbuf[86], &intbuf[87]);
m_interpolator64.myInterpolate(&intbuf[88], &intbuf[89], &intbuf[90], &intbuf[91]);
m_interpolator64.myInterpolate(&intbuf[92], &intbuf[93], &intbuf[94], &intbuf[95]);
m_interpolator64.myInterpolate(&intbuf[96], &intbuf[97], &intbuf[98], &intbuf[99]);
m_interpolator64.myInterpolate(&intbuf[100], &intbuf[101], &intbuf[102], &intbuf[103]);
m_interpolator64.myInterpolate(&intbuf[104], &intbuf[105], &intbuf[106], &intbuf[107]);
m_interpolator64.myInterpolate(&intbuf[108], &intbuf[109], &intbuf[110], &intbuf[111]);
m_interpolator64.myInterpolate(&intbuf[112], &intbuf[113], &intbuf[114], &intbuf[115]);
m_interpolator64.myInterpolate(&intbuf[116], &intbuf[117], &intbuf[118], &intbuf[119]);
m_interpolator64.myInterpolate(&intbuf[120], &intbuf[121], &intbuf[122], &intbuf[123]);
m_interpolator64.myInterpolate(&intbuf[124], &intbuf[125], &intbuf[126], &intbuf[127]);
buf[pos+0] = intbuf[0] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+1] = intbuf[1] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+2] = intbuf[2] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+3] = intbuf[3] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+4] = intbuf[4] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+5] = intbuf[5] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+6] = intbuf[6] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+7] = intbuf[7] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+8] = intbuf[8] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+9] = intbuf[9] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+10] = intbuf[10] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+11] = intbuf[11] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+12] = intbuf[12] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+13] = intbuf[13] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+14] = intbuf[14] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+15] = intbuf[15] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+16] = intbuf[16] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+17] = intbuf[17] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+18] = intbuf[18] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+19] = intbuf[19] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+20] = intbuf[20] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+21] = intbuf[21] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+22] = intbuf[22] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+23] = intbuf[23] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+24] = intbuf[24] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+25] = intbuf[25] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+26] = intbuf[26] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+27] = intbuf[27] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+28] = intbuf[28] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+29] = intbuf[29] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+30] = intbuf[30] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+31] = intbuf[31] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+32] = intbuf[32] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+33] = intbuf[33] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+34] = intbuf[34] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+35] = intbuf[35] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+36] = intbuf[36] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+37] = intbuf[37] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+38] = intbuf[38] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+39] = intbuf[39] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+40] = intbuf[40] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+41] = intbuf[41] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+42] = intbuf[42] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+43] = intbuf[43] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+44] = intbuf[44] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+45] = intbuf[45] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+46] = intbuf[46] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+47] = intbuf[47] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+48] = intbuf[48] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+49] = intbuf[49] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+50] = intbuf[50] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+51] = intbuf[51] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+52] = intbuf[52] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+53] = intbuf[53] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+54] = intbuf[54] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+55] = intbuf[55] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+56] = intbuf[56] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+57] = intbuf[57] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+58] = intbuf[58] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+59] = intbuf[59] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+60] = intbuf[60] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+61] = intbuf[61] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+62] = intbuf[62] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+63] = intbuf[63] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+64] = intbuf[64] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+65] = intbuf[65] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+66] = intbuf[66] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+67] = intbuf[67] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+68] = intbuf[68] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+69] = intbuf[69] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+70] = intbuf[70] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+71] = intbuf[71] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+72] = intbuf[72] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+73] = intbuf[73] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+74] = intbuf[74] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+75] = intbuf[75] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+76] = intbuf[76] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+77] = intbuf[77] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+78] = intbuf[78] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+79] = intbuf[79] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+80] = intbuf[80] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+81] = intbuf[81] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+82] = intbuf[82] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+83] = intbuf[83] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+84] = intbuf[84] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+85] = intbuf[85] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+86] = intbuf[86] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+87] = intbuf[87] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+88] = intbuf[88] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+89] = intbuf[89] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+90] = intbuf[90] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+91] = intbuf[91] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+92] = intbuf[92] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+93] = intbuf[93] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+94] = intbuf[94] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+95] = intbuf[95] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+96] = intbuf[96] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+97] = intbuf[97] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+98] = intbuf[98] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+99] = intbuf[99] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+100] = intbuf[100] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+101] = intbuf[101] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+102] = intbuf[102] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+103] = intbuf[103] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+104] = intbuf[104] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+105] = intbuf[105] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+106] = intbuf[106] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+107] = intbuf[107] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+108] = intbuf[108] >> interpolation_shifts<SdrBits, OutputBits>::post64;
buf[pos+109] = intbuf[109] >> interpolation_shifts<SdrBits, OutputBits>::post64;
++(*it);
}
}
#endif /* INCLUDE_GPL_DSP_INTERPOLATORS_H_ */
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