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1985 lines
64 KiB
C++
1985 lines
64 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2018-2020 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
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// Copyright (C) 2021 Jon Beniston, M7RCE <jon@beniston.com> //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef SDRBASE_DSP_DECIMATORSFI_H_
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#define SDRBASE_DSP_DECIMATORSFI_H_
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#include "dsp/inthalfbandfiltereof.h"
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#include "export.h"
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#define DECIMATORSFI_HB_FILTER_ORDER 64
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/** Decimators with float input and integer output */
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template<bool IQOrder>
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class DecimatorsFI
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{
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public:
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SDRBASE_API void decimate1(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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SDRBASE_API void decimate2_inf(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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SDRBASE_API void decimate2_sup(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate2_cen(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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SDRBASE_API void decimate4_inf(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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SDRBASE_API void decimate4_sup(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate4_cen(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate8_inf(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate8_sup(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate8_cen(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate16_inf(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate16_sup(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate16_cen(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate32_inf(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate32_sup(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate32_cen(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate64_inf(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate64_sup(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate64_cen(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate128_cen(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate256_cen(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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IntHalfbandFilterEOF<DECIMATORSFI_HB_FILTER_ORDER, IQOrder> m_decimator2; // 1st stages
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IntHalfbandFilterEOF<DECIMATORSFI_HB_FILTER_ORDER, true> m_decimator2s; // 1st stages - straight
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IntHalfbandFilterEOF<DECIMATORSFI_HB_FILTER_ORDER, true> m_decimator4; // 2nd stages
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IntHalfbandFilterEOF<DECIMATORSFI_HB_FILTER_ORDER, true> m_decimator8; // 3rd stages
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IntHalfbandFilterEOF<DECIMATORSFI_HB_FILTER_ORDER, true> m_decimator16; // 4th stages
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IntHalfbandFilterEOF<DECIMATORSFI_HB_FILTER_ORDER, true> m_decimator32; // 5th stages
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IntHalfbandFilterEOF<DECIMATORSFI_HB_FILTER_ORDER, true> m_decimator64; // 6th stages
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IntHalfbandFilterEOF<DECIMATORSFI_HB_FILTER_ORDER, true> m_decimator128; // 7th stages
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IntHalfbandFilterEOF<DECIMATORSFI_HB_FILTER_ORDER, true> m_decimator256; // 8th stages
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};
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template<bool IQOrder>
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void DecimatorsFI<IQOrder>::decimate2_cen(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ)
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{
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float intbuf[2];
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for (int pos = 0; pos < nbIAndQ - 3; pos += 4)
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{
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intbuf[0] = buf[pos+2];
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intbuf[1] = buf[pos+3];
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m_decimator2.myDecimate(
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buf[pos+0],
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buf[pos+1],
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&intbuf[0],
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&intbuf[1]);
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(**it).setReal(intbuf[0] * SDR_RX_SCALED);
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(**it).setImag(intbuf[1] * SDR_RX_SCALED);
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++(*it);
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}
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}
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template<bool IQOrder>
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void DecimatorsFI<IQOrder>::decimate8_inf(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ)
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{
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float xreal[2], yimag[2];
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for (int pos = 0; pos < nbIAndQ - 15; pos += 8)
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{
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xreal[0] = (buf[pos+0] - buf[pos+3] + buf[pos+7] - buf[pos+4]);
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yimag[0] = (buf[pos+1] - buf[pos+5] + buf[pos+2] - buf[pos+6]);
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pos += 8;
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xreal[1] = (buf[pos+0] - buf[pos+3] + buf[pos+7] - buf[pos+4]);
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yimag[1] = (buf[pos+1] - buf[pos+5] + buf[pos+2] - buf[pos+6]);
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m_decimator2s.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]);
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(**it).setReal((IQOrder ? xreal[1] : yimag[1]) * SDR_RX_SCALED);
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(**it).setImag((IQOrder ? yimag[1] : xreal[1]) * SDR_RX_SCALED);
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++(*it);
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}
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}
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template<bool IQOrder>
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void DecimatorsFI<IQOrder>::decimate8_sup(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ)
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{
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float xreal[2], yimag[2];
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for (int pos = 0; pos < nbIAndQ - 15; pos += 8)
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{
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xreal[0] = (buf[pos+1] - buf[pos+2] - buf[pos+5] + buf[pos+6]);
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yimag[0] = (- buf[pos+0] - buf[pos+3] + buf[pos+4] + buf[pos+7]);
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pos += 8;
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xreal[1] = (buf[pos+1] - buf[pos+2] - buf[pos+5] + buf[pos+6]);
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yimag[1] = (- buf[pos+0] - buf[pos+3] + buf[pos+4] + buf[pos+7]);
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m_decimator2s.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]);
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(**it).setReal((IQOrder ? xreal[1] : yimag[1]) * SDR_RX_SCALED);
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(**it).setImag((IQOrder ? yimag[1] : xreal[1]) * SDR_RX_SCALED);
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++(*it);
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}
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}
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template<bool IQOrder>
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void DecimatorsFI<IQOrder>::decimate16_inf(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ)
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{
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// Offset tuning: 4x downsample and rotate, then
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// downsample 4x more. [ rotate: 0, 1, -3, 2, -4, -5, 7, -6]
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float xreal[4], yimag[4];
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for (int pos = 0; pos < nbIAndQ - 31; )
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{
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for (int i = 0; i < 4; i++)
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{
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xreal[i] = (buf[pos+0] - buf[pos+3] + buf[pos+7] - buf[pos+4]);
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yimag[i] = (buf[pos+1] - buf[pos+5] + buf[pos+2] - buf[pos+6]);
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pos += 8;
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}
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m_decimator2s.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]);
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m_decimator2s.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]);
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m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]);
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(**it).setReal((IQOrder ? xreal[3] : yimag[3]) * SDR_RX_SCALED);
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(**it).setImag((IQOrder ? yimag[3] : xreal[3]) * SDR_RX_SCALED);
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++(*it);
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}
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}
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template<bool IQOrder>
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void DecimatorsFI<IQOrder>::decimate16_sup(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ)
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{
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// Offset tuning: 4x downsample and rotate, then
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// downsample 4x more. [ rotate: 1, 0, -2, 3, -5, -4, 6, -7]
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float xreal[4], yimag[4];
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for (int pos = 0; pos < nbIAndQ - 31; )
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{
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for (int i = 0; i < 4; i++)
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{
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xreal[i] = (buf[pos+1] - buf[pos+2] - buf[pos+5] + buf[pos+6]);
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yimag[i] = (buf[pos+4] + buf[pos+7] - buf[pos+0] - buf[pos+3]);
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pos += 8;
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}
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m_decimator2s.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]);
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m_decimator2s.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]);
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m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]);
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(**it).setReal((IQOrder ? xreal[3] : yimag[3]) * SDR_RX_SCALED);
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(**it).setImag((IQOrder ? yimag[3] : xreal[3]) * SDR_RX_SCALED);
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++(*it);
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}
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}
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template<bool IQOrder>
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void DecimatorsFI<IQOrder>::decimate32_inf(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ)
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{
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float xreal[8], yimag[8];
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for (int pos = 0; pos < nbIAndQ - 63; )
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{
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for (int i = 0; i < 8; i++)
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{
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xreal[i] = (buf[pos+0] - buf[pos+3] + buf[pos+7] - buf[pos+4]);
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yimag[i] = (buf[pos+1] - buf[pos+5] + buf[pos+2] - buf[pos+6]);
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pos += 8;
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}
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m_decimator2s.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]);
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m_decimator2s.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]);
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m_decimator2s.myDecimate(xreal[4], yimag[4], &xreal[5], &yimag[5]);
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m_decimator2s.myDecimate(xreal[6], yimag[6], &xreal[7], &yimag[7]);
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m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]);
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m_decimator4.myDecimate(xreal[5], yimag[5], &xreal[7], &yimag[7]);
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m_decimator8.myDecimate(xreal[3], yimag[3], &xreal[7], &yimag[7]);
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(**it).setReal((IQOrder ? xreal[7] : yimag[7]) * SDR_RX_SCALED);
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(**it).setImag((IQOrder ? yimag[7] : xreal[7]) * SDR_RX_SCALED);
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++(*it);
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}
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}
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template<bool IQOrder>
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void DecimatorsFI<IQOrder>::decimate32_sup(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ)
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{
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float xreal[8], yimag[8];
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for (int pos = 0; pos < nbIAndQ - 63; )
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{
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for (int i = 0; i < 8; i++)
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{
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xreal[i] = (buf[pos+1] - buf[pos+2] - buf[pos+5] + buf[pos+6]);
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yimag[i] = (buf[pos+4] + buf[pos+7] - buf[pos+0] - buf[pos+3]);
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pos += 8;
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}
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m_decimator2s.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]);
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m_decimator2s.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]);
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m_decimator2s.myDecimate(xreal[4], yimag[4], &xreal[5], &yimag[5]);
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m_decimator2s.myDecimate(xreal[6], yimag[6], &xreal[7], &yimag[7]);
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m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]);
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m_decimator4.myDecimate(xreal[5], yimag[5], &xreal[7], &yimag[7]);
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m_decimator8.myDecimate(xreal[3], yimag[3], &xreal[7], &yimag[7]);
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(**it).setReal((IQOrder ? xreal[7] : yimag[7]) * SDR_RX_SCALED);
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(**it).setImag((IQOrder ? yimag[7] : xreal[7]) * SDR_RX_SCALED);
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++(*it);
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}
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}
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template<bool IQOrder>
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void DecimatorsFI<IQOrder>::decimate64_inf(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ)
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{
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float xreal[16], yimag[16];
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for (int pos = 0; pos < nbIAndQ - 127; )
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{
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for (int i = 0; i < 16; i++)
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{
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xreal[i] = (buf[pos+0] - buf[pos+3] + buf[pos+7] - buf[pos+4]);
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yimag[i] = (buf[pos+1] - buf[pos+5] + buf[pos+2] - buf[pos+6]);
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pos += 8;
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}
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m_decimator2s.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]);
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m_decimator2s.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]);
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m_decimator2s.myDecimate(xreal[4], yimag[4], &xreal[5], &yimag[5]);
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m_decimator2s.myDecimate(xreal[6], yimag[6], &xreal[7], &yimag[7]);
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m_decimator2s.myDecimate(xreal[8], yimag[8], &xreal[9], &yimag[9]);
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m_decimator2s.myDecimate(xreal[10], yimag[10], &xreal[11], &yimag[11]);
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m_decimator2s.myDecimate(xreal[12], yimag[12], &xreal[13], &yimag[13]);
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m_decimator2s.myDecimate(xreal[14], yimag[14], &xreal[15], &yimag[15]);
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m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]);
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m_decimator4.myDecimate(xreal[5], yimag[5], &xreal[7], &yimag[7]);
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m_decimator4.myDecimate(xreal[9], yimag[9], &xreal[11], &yimag[11]);
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m_decimator4.myDecimate(xreal[13], yimag[13], &xreal[15], &yimag[15]);
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m_decimator8.myDecimate(xreal[3], yimag[3], &xreal[7], &yimag[7]);
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m_decimator8.myDecimate(xreal[11], yimag[11], &xreal[15], &yimag[15]);
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m_decimator16.myDecimate(xreal[7], yimag[7], &xreal[15], &yimag[15]);
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(**it).setReal((IQOrder ? xreal[15] : yimag[15]) * SDR_RX_SCALED);
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(**it).setImag((IQOrder ? yimag[15] : xreal[15]) * SDR_RX_SCALED);
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++(*it);
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}
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}
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template<bool IQOrder>
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void DecimatorsFI<IQOrder>::decimate64_sup(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ)
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{
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float xreal[16], yimag[16];
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for (int pos = 0; pos < nbIAndQ - 127; )
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{
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for (int i = 0; i < 16; i++)
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{
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xreal[i] = (buf[pos+1] - buf[pos+2] - buf[pos+5] + buf[pos+6]);
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yimag[i] = (buf[pos+4] + buf[pos+7] - buf[pos+0] - buf[pos+3]);
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pos += 8;
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}
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m_decimator2s.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]);
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m_decimator2s.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]);
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m_decimator2s.myDecimate(xreal[4], yimag[4], &xreal[5], &yimag[5]);
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m_decimator2s.myDecimate(xreal[6], yimag[6], &xreal[7], &yimag[7]);
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m_decimator2s.myDecimate(xreal[8], yimag[8], &xreal[9], &yimag[9]);
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m_decimator2s.myDecimate(xreal[10], yimag[10], &xreal[11], &yimag[11]);
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m_decimator2s.myDecimate(xreal[12], yimag[12], &xreal[13], &yimag[13]);
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m_decimator2s.myDecimate(xreal[14], yimag[14], &xreal[15], &yimag[15]);
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m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]);
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m_decimator4.myDecimate(xreal[5], yimag[5], &xreal[7], &yimag[7]);
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m_decimator4.myDecimate(xreal[9], yimag[9], &xreal[11], &yimag[11]);
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m_decimator4.myDecimate(xreal[13], yimag[13], &xreal[15], &yimag[15]);
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m_decimator8.myDecimate(xreal[3], yimag[3], &xreal[7], &yimag[7]);
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m_decimator8.myDecimate(xreal[11], yimag[11], &xreal[15], &yimag[15]);
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m_decimator16.myDecimate(xreal[7], yimag[7], &xreal[15], &yimag[15]);
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(**it).setReal((IQOrder ? xreal[15] : yimag[15]) * SDR_RX_SCALED);
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(**it).setImag((IQOrder ? yimag[15] : xreal[15]) * SDR_RX_SCALED);
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++(*it);
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}
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}
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template<bool IQOrder>
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void DecimatorsFI<IQOrder>::decimate4_cen(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ)
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{
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float intbuf[4];
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for (int pos = 0; pos < nbIAndQ - 7; pos += 8)
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{
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intbuf[0] = buf[pos+2];
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intbuf[1] = buf[pos+3];
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intbuf[2] = buf[pos+6];
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intbuf[3] = buf[pos+7];
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m_decimator2.myDecimate(
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buf[pos+0],
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buf[pos+1],
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&intbuf[0],
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&intbuf[1]);
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m_decimator2.myDecimate(
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buf[pos+4],
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buf[pos+5],
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&intbuf[2],
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&intbuf[3]);
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m_decimator4.myDecimate(
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intbuf[0],
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intbuf[1],
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&intbuf[2],
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&intbuf[3]);
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|
(**it).setReal(intbuf[2] * SDR_RX_SCALED);
|
|
(**it).setImag(intbuf[3] * SDR_RX_SCALED);
|
|
++(*it);
|
|
}
|
|
}
|
|
|
|
template<bool IQOrder>
|
|
void DecimatorsFI<IQOrder>::decimate8_cen(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ)
|
|
{
|
|
float intbuf[8];
|
|
|
|
for (int pos = 0; pos < nbIAndQ - 15; pos += 16)
|
|
{
|
|
intbuf[0] = buf[pos+2];
|
|
intbuf[1] = buf[pos+3];
|
|
intbuf[2] = buf[pos+6];
|
|
intbuf[3] = buf[pos+7];
|
|
intbuf[4] = buf[pos+10];
|
|
intbuf[5] = buf[pos+11];
|
|
intbuf[6] = buf[pos+14];
|
|
intbuf[7] = buf[pos+15];
|
|
|
|
m_decimator2.myDecimate(
|
|
buf[pos+0],
|
|
buf[pos+1],
|
|
&intbuf[0],
|
|
&intbuf[1]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+4],
|
|
buf[pos+5],
|
|
&intbuf[2],
|
|
&intbuf[3]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+8],
|
|
buf[pos+9],
|
|
&intbuf[4],
|
|
&intbuf[5]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+12],
|
|
buf[pos+13],
|
|
&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] * SDR_RX_SCALED);
|
|
(**it).setImag(intbuf[7] * SDR_RX_SCALED);
|
|
++(*it);
|
|
}
|
|
}
|
|
|
|
template<bool IQOrder>
|
|
void DecimatorsFI<IQOrder>::decimate16_cen(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ)
|
|
{
|
|
float intbuf[16];
|
|
|
|
for (int pos = 0; pos < nbIAndQ - 31; pos += 32)
|
|
{
|
|
intbuf[0] = buf[pos+2];
|
|
intbuf[1] = buf[pos+3];
|
|
intbuf[2] = buf[pos+6];
|
|
intbuf[3] = buf[pos+7];
|
|
intbuf[4] = buf[pos+10];
|
|
intbuf[5] = buf[pos+11];
|
|
intbuf[6] = buf[pos+14];
|
|
intbuf[7] = buf[pos+15];
|
|
intbuf[8] = buf[pos+18];
|
|
intbuf[9] = buf[pos+19];
|
|
intbuf[10] = buf[pos+22];
|
|
intbuf[11] = buf[pos+23];
|
|
intbuf[12] = buf[pos+26];
|
|
intbuf[13] = buf[pos+27];
|
|
intbuf[14] = buf[pos+30];
|
|
intbuf[15] = buf[pos+31];
|
|
|
|
m_decimator2.myDecimate(
|
|
buf[pos+0],
|
|
buf[pos+1],
|
|
&intbuf[0],
|
|
&intbuf[1]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+4],
|
|
buf[pos+5],
|
|
&intbuf[2],
|
|
&intbuf[3]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+8],
|
|
buf[pos+9],
|
|
&intbuf[4],
|
|
&intbuf[5]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+12],
|
|
buf[pos+13],
|
|
&intbuf[6],
|
|
&intbuf[7]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+16],
|
|
buf[pos+17],
|
|
&intbuf[8],
|
|
&intbuf[9]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+20],
|
|
buf[pos+21],
|
|
&intbuf[10],
|
|
&intbuf[11]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+24],
|
|
buf[pos+25],
|
|
&intbuf[12],
|
|
&intbuf[13]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+28],
|
|
buf[pos+29],
|
|
&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] * SDR_RX_SCALED);
|
|
(**it).setImag(intbuf[15] * SDR_RX_SCALED);
|
|
++(*it);
|
|
}
|
|
}
|
|
|
|
template<bool IQOrder>
|
|
void DecimatorsFI<IQOrder>::decimate32_cen(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ)
|
|
{
|
|
float intbuf[32];
|
|
|
|
for (int pos = 0; pos < nbIAndQ - 63; pos += 64)
|
|
{
|
|
intbuf[0] = buf[pos+2];
|
|
intbuf[1] = buf[pos+3];
|
|
intbuf[2] = buf[pos+6];
|
|
intbuf[3] = buf[pos+7];
|
|
intbuf[4] = buf[pos+10];
|
|
intbuf[5] = buf[pos+11];
|
|
intbuf[6] = buf[pos+14];
|
|
intbuf[7] = buf[pos+15];
|
|
intbuf[8] = buf[pos+18];
|
|
intbuf[9] = buf[pos+19];
|
|
intbuf[10] = buf[pos+22];
|
|
intbuf[11] = buf[pos+23];
|
|
intbuf[12] = buf[pos+26];
|
|
intbuf[13] = buf[pos+27];
|
|
intbuf[14] = buf[pos+30];
|
|
intbuf[15] = buf[pos+31];
|
|
intbuf[16] = buf[pos+34];
|
|
intbuf[17] = buf[pos+35];
|
|
intbuf[18] = buf[pos+38];
|
|
intbuf[19] = buf[pos+39];
|
|
intbuf[20] = buf[pos+42];
|
|
intbuf[21] = buf[pos+43];
|
|
intbuf[22] = buf[pos+46];
|
|
intbuf[23] = buf[pos+47];
|
|
intbuf[24] = buf[pos+50];
|
|
intbuf[25] = buf[pos+51];
|
|
intbuf[26] = buf[pos+54];
|
|
intbuf[27] = buf[pos+55];
|
|
intbuf[28] = buf[pos+58];
|
|
intbuf[29] = buf[pos+59];
|
|
intbuf[30] = buf[pos+62];
|
|
intbuf[31] = buf[pos+63];
|
|
|
|
m_decimator2.myDecimate(
|
|
buf[pos+0],
|
|
buf[pos+1],
|
|
&intbuf[0],
|
|
&intbuf[1]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+4],
|
|
buf[pos+5],
|
|
&intbuf[2],
|
|
&intbuf[3]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+8],
|
|
buf[pos+9],
|
|
&intbuf[4],
|
|
&intbuf[5]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+12],
|
|
buf[pos+13],
|
|
&intbuf[6],
|
|
&intbuf[7]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+16],
|
|
buf[pos+17],
|
|
&intbuf[8],
|
|
&intbuf[9]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+20],
|
|
buf[pos+21],
|
|
&intbuf[10],
|
|
&intbuf[11]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+24],
|
|
buf[pos+25],
|
|
&intbuf[12],
|
|
&intbuf[13]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+28],
|
|
buf[pos+29],
|
|
&intbuf[14],
|
|
&intbuf[15]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+32],
|
|
buf[pos+33],
|
|
&intbuf[16],
|
|
&intbuf[17]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+36],
|
|
buf[pos+37],
|
|
&intbuf[18],
|
|
&intbuf[19]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+40],
|
|
buf[pos+41],
|
|
&intbuf[20],
|
|
&intbuf[21]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+44],
|
|
buf[pos+45],
|
|
&intbuf[22],
|
|
&intbuf[23]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+48],
|
|
buf[pos+49],
|
|
&intbuf[24],
|
|
&intbuf[25]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+52],
|
|
buf[pos+53],
|
|
&intbuf[26],
|
|
&intbuf[27]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+56],
|
|
buf[pos+57],
|
|
&intbuf[28],
|
|
&intbuf[29]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+60],
|
|
buf[pos+61],
|
|
&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] * SDR_RX_SCALED);
|
|
(**it).setImag(intbuf[31] * SDR_RX_SCALED);
|
|
++(*it);
|
|
}
|
|
}
|
|
|
|
template<bool IQOrder>
|
|
void DecimatorsFI<IQOrder>::decimate64_cen(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ)
|
|
{
|
|
float intbuf[64];
|
|
|
|
for (int pos = 0; pos < nbIAndQ - 127; pos += 128)
|
|
{
|
|
intbuf[0] = buf[pos+2];
|
|
intbuf[1] = buf[pos+3];
|
|
intbuf[2] = buf[pos+6];
|
|
intbuf[3] = buf[pos+7];
|
|
intbuf[4] = buf[pos+10];
|
|
intbuf[5] = buf[pos+11];
|
|
intbuf[6] = buf[pos+14];
|
|
intbuf[7] = buf[pos+15];
|
|
intbuf[8] = buf[pos+18];
|
|
intbuf[9] = buf[pos+19];
|
|
intbuf[10] = buf[pos+22];
|
|
intbuf[11] = buf[pos+23];
|
|
intbuf[12] = buf[pos+26];
|
|
intbuf[13] = buf[pos+27];
|
|
intbuf[14] = buf[pos+30];
|
|
intbuf[15] = buf[pos+31];
|
|
intbuf[16] = buf[pos+34];
|
|
intbuf[17] = buf[pos+35];
|
|
intbuf[18] = buf[pos+38];
|
|
intbuf[19] = buf[pos+39];
|
|
intbuf[20] = buf[pos+42];
|
|
intbuf[21] = buf[pos+43];
|
|
intbuf[22] = buf[pos+46];
|
|
intbuf[23] = buf[pos+47];
|
|
intbuf[24] = buf[pos+50];
|
|
intbuf[25] = buf[pos+51];
|
|
intbuf[26] = buf[pos+54];
|
|
intbuf[27] = buf[pos+55];
|
|
intbuf[28] = buf[pos+58];
|
|
intbuf[29] = buf[pos+59];
|
|
intbuf[30] = buf[pos+62];
|
|
intbuf[31] = buf[pos+63];
|
|
|
|
intbuf[32] = buf[pos+66];
|
|
intbuf[33] = buf[pos+67];
|
|
intbuf[34] = buf[pos+70];
|
|
intbuf[35] = buf[pos+71];
|
|
intbuf[36] = buf[pos+74];
|
|
intbuf[37] = buf[pos+75];
|
|
intbuf[38] = buf[pos+78];
|
|
intbuf[39] = buf[pos+79];
|
|
intbuf[40] = buf[pos+82];
|
|
intbuf[41] = buf[pos+83];
|
|
intbuf[42] = buf[pos+86];
|
|
intbuf[43] = buf[pos+87];
|
|
intbuf[44] = buf[pos+90];
|
|
intbuf[45] = buf[pos+91];
|
|
intbuf[46] = buf[pos+94];
|
|
intbuf[47] = buf[pos+95];
|
|
intbuf[48] = buf[pos+98];
|
|
intbuf[49] = buf[pos+99];
|
|
intbuf[50] = buf[pos+102];
|
|
intbuf[51] = buf[pos+103];
|
|
intbuf[52] = buf[pos+106];
|
|
intbuf[53] = buf[pos+107];
|
|
intbuf[54] = buf[pos+110];
|
|
intbuf[55] = buf[pos+111];
|
|
intbuf[56] = buf[pos+114];
|
|
intbuf[57] = buf[pos+115];
|
|
intbuf[58] = buf[pos+118];
|
|
intbuf[59] = buf[pos+119];
|
|
intbuf[60] = buf[pos+122];
|
|
intbuf[61] = buf[pos+123];
|
|
intbuf[62] = buf[pos+126];
|
|
intbuf[63] = buf[pos+127];
|
|
|
|
m_decimator2.myDecimate(
|
|
buf[pos+0],
|
|
buf[pos+1],
|
|
&intbuf[0],
|
|
&intbuf[1]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+4],
|
|
buf[pos+5],
|
|
&intbuf[2],
|
|
&intbuf[3]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+8],
|
|
buf[pos+9],
|
|
&intbuf[4],
|
|
&intbuf[5]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+12],
|
|
buf[pos+13],
|
|
&intbuf[6],
|
|
&intbuf[7]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+16],
|
|
buf[pos+17],
|
|
&intbuf[8],
|
|
&intbuf[9]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+20],
|
|
buf[pos+21],
|
|
&intbuf[10],
|
|
&intbuf[11]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+24],
|
|
buf[pos+25],
|
|
&intbuf[12],
|
|
&intbuf[13]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+28],
|
|
buf[pos+29],
|
|
&intbuf[14],
|
|
&intbuf[15]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+32],
|
|
buf[pos+33],
|
|
&intbuf[16],
|
|
&intbuf[17]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+36],
|
|
buf[pos+37],
|
|
&intbuf[18],
|
|
&intbuf[19]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+40],
|
|
buf[pos+41],
|
|
&intbuf[20],
|
|
&intbuf[21]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+44],
|
|
buf[pos+45],
|
|
&intbuf[22],
|
|
&intbuf[23]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+48],
|
|
buf[pos+49],
|
|
&intbuf[24],
|
|
&intbuf[25]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+52],
|
|
buf[pos+53],
|
|
&intbuf[26],
|
|
&intbuf[27]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+56],
|
|
buf[pos+57],
|
|
&intbuf[28],
|
|
&intbuf[29]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+60],
|
|
buf[pos+61],
|
|
&intbuf[30],
|
|
&intbuf[31]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+64],
|
|
buf[pos+65],
|
|
&intbuf[32],
|
|
&intbuf[33]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+68],
|
|
buf[pos+69],
|
|
&intbuf[34],
|
|
&intbuf[35]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+72],
|
|
buf[pos+73],
|
|
&intbuf[36],
|
|
&intbuf[37]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+76],
|
|
buf[pos+77],
|
|
&intbuf[38],
|
|
&intbuf[39]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+80],
|
|
buf[pos+81],
|
|
&intbuf[40],
|
|
&intbuf[41]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+84],
|
|
buf[pos+85],
|
|
&intbuf[42],
|
|
&intbuf[43]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+88],
|
|
buf[pos+89],
|
|
&intbuf[44],
|
|
&intbuf[45]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+92],
|
|
buf[pos+93],
|
|
&intbuf[46],
|
|
&intbuf[47]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+96],
|
|
buf[pos+97],
|
|
&intbuf[48],
|
|
&intbuf[49]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+100],
|
|
buf[pos+101],
|
|
&intbuf[50],
|
|
&intbuf[51]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+104],
|
|
buf[pos+105],
|
|
&intbuf[52],
|
|
&intbuf[53]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+108],
|
|
buf[pos+109],
|
|
&intbuf[54],
|
|
&intbuf[55]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+112],
|
|
buf[pos+113],
|
|
&intbuf[56],
|
|
&intbuf[57]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+116],
|
|
buf[pos+117],
|
|
&intbuf[58],
|
|
&intbuf[59]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+120],
|
|
buf[pos+121],
|
|
&intbuf[60],
|
|
&intbuf[61]);
|
|
m_decimator2.myDecimate(
|
|
buf[pos+124],
|
|
buf[pos+125],
|
|
&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] * SDR_RX_SCALED);
|
|
(**it).setImag(intbuf[63] * SDR_RX_SCALED);
|
|
++(*it);
|
|
}
|
|
}
|
|
|
|
template<bool IQOrder>
|
|
void DecimatorsFI<IQOrder>::decimate128_cen(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ)
|
|
{
|
|
float intbuf[128];
|
|
|
|
for (int pos = 0; pos < nbIAndQ - 255; pos += 256)
|
|
{
|
|
float *intbufp;
|
|
int posi;
|
|
|
|
intbufp = intbuf;
|
|
posi = pos;
|
|
for (int i = 0; i < 4; i++)
|
|
{
|
|
intbufp[0] = buf[posi+2];
|
|
intbufp[1] = buf[posi+3];
|
|
intbufp[2] = buf[posi+6];
|
|
intbufp[3] = buf[posi+7];
|
|
intbufp[4] = buf[posi+10];
|
|
intbufp[5] = buf[posi+11];
|
|
intbufp[6] = buf[posi+14];
|
|
intbufp[7] = buf[posi+15];
|
|
intbufp[8] = buf[posi+18];
|
|
intbufp[9] = buf[posi+19];
|
|
intbufp[10] = buf[posi+22];
|
|
intbufp[11] = buf[posi+23];
|
|
intbufp[12] = buf[posi+26];
|
|
intbufp[13] = buf[posi+27];
|
|
intbufp[14] = buf[posi+30];
|
|
intbufp[15] = buf[posi+31];
|
|
intbufp[16] = buf[posi+34];
|
|
intbufp[17] = buf[posi+35];
|
|
intbufp[18] = buf[posi+38];
|
|
intbufp[19] = buf[posi+39];
|
|
intbufp[20] = buf[posi+42];
|
|
intbufp[21] = buf[posi+43];
|
|
intbufp[22] = buf[posi+46];
|
|
intbufp[23] = buf[posi+47];
|
|
intbufp[24] = buf[posi+50];
|
|
intbufp[25] = buf[posi+51];
|
|
intbufp[26] = buf[posi+54];
|
|
intbufp[27] = buf[posi+55];
|
|
intbufp[28] = buf[posi+58];
|
|
intbufp[29] = buf[posi+59];
|
|
intbufp[30] = buf[posi+62];
|
|
intbufp[31] = buf[posi+63];
|
|
intbufp += 32;
|
|
posi += 64;
|
|
}
|
|
|
|
intbufp = intbuf;
|
|
posi = pos;
|
|
for (int i = 0; i < 2; i++)
|
|
{
|
|
m_decimator2.myDecimate(
|
|
buf[posi+0],
|
|
buf[posi+1],
|
|
&intbufp[0],
|
|
&intbufp[1]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+4],
|
|
buf[posi+5],
|
|
&intbufp[2],
|
|
&intbufp[3]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+8],
|
|
buf[posi+9],
|
|
&intbufp[4],
|
|
&intbufp[5]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+12],
|
|
buf[posi+13],
|
|
&intbufp[6],
|
|
&intbufp[7]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+16],
|
|
buf[posi+17],
|
|
&intbufp[8],
|
|
&intbufp[9]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+20],
|
|
buf[posi+21],
|
|
&intbufp[10],
|
|
&intbufp[11]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+24],
|
|
buf[posi+25],
|
|
&intbufp[12],
|
|
&intbufp[13]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+28],
|
|
buf[posi+29],
|
|
&intbufp[14],
|
|
&intbufp[15]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+32],
|
|
buf[posi+33],
|
|
&intbufp[16],
|
|
&intbufp[17]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+36],
|
|
buf[posi+37],
|
|
&intbufp[18],
|
|
&intbufp[19]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+40],
|
|
buf[posi+41],
|
|
&intbufp[20],
|
|
&intbufp[21]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+44],
|
|
buf[posi+45],
|
|
&intbufp[22],
|
|
&intbufp[23]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+48],
|
|
buf[posi+49],
|
|
&intbufp[24],
|
|
&intbufp[25]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+52],
|
|
buf[posi+53],
|
|
&intbufp[26],
|
|
&intbufp[27]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+56],
|
|
buf[posi+57],
|
|
&intbufp[28],
|
|
&intbufp[29]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+60],
|
|
buf[posi+61],
|
|
&intbufp[30],
|
|
&intbufp[31]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+64],
|
|
buf[posi+65],
|
|
&intbufp[32],
|
|
&intbufp[33]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+68],
|
|
buf[posi+69],
|
|
&intbufp[34],
|
|
&intbufp[35]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+72],
|
|
buf[posi+73],
|
|
&intbufp[36],
|
|
&intbufp[37]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+76],
|
|
buf[posi+77],
|
|
&intbufp[38],
|
|
&intbufp[39]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+80],
|
|
buf[posi+81],
|
|
&intbufp[40],
|
|
&intbufp[41]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+84],
|
|
buf[posi+85],
|
|
&intbufp[42],
|
|
&intbufp[43]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+88],
|
|
buf[posi+89],
|
|
&intbufp[44],
|
|
&intbufp[45]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+92],
|
|
buf[posi+93],
|
|
&intbufp[46],
|
|
&intbufp[47]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+96],
|
|
buf[posi+97],
|
|
&intbufp[48],
|
|
&intbufp[49]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+100],
|
|
buf[posi+101],
|
|
&intbufp[50],
|
|
&intbufp[51]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+104],
|
|
buf[posi+105],
|
|
&intbufp[52],
|
|
&intbufp[53]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+108],
|
|
buf[posi+109],
|
|
&intbufp[54],
|
|
&intbufp[55]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+112],
|
|
buf[posi+113],
|
|
&intbufp[56],
|
|
&intbufp[57]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+116],
|
|
buf[posi+117],
|
|
&intbufp[58],
|
|
&intbufp[59]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+120],
|
|
buf[posi+121],
|
|
&intbufp[60],
|
|
&intbufp[61]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+124],
|
|
buf[posi+125],
|
|
&intbufp[62],
|
|
&intbufp[63]);
|
|
intbufp += 64;
|
|
posi += 128;
|
|
}
|
|
|
|
intbufp = intbuf;
|
|
for (int i = 0; i < 2; i++)
|
|
{
|
|
m_decimator4.myDecimate(
|
|
intbufp[0],
|
|
intbufp[1],
|
|
&intbufp[2],
|
|
&intbufp[3]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[4],
|
|
intbufp[5],
|
|
&intbufp[6],
|
|
&intbufp[7]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[8],
|
|
intbufp[9],
|
|
&intbufp[10],
|
|
&intbufp[11]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[12],
|
|
intbufp[13],
|
|
&intbufp[14],
|
|
&intbufp[15]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[16],
|
|
intbufp[17],
|
|
&intbufp[18],
|
|
&intbufp[19]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[20],
|
|
intbufp[21],
|
|
&intbufp[22],
|
|
&intbufp[23]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[24],
|
|
intbufp[25],
|
|
&intbufp[26],
|
|
&intbufp[27]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[28],
|
|
intbufp[29],
|
|
&intbufp[30],
|
|
&intbufp[31]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[32],
|
|
intbufp[33],
|
|
&intbufp[34],
|
|
&intbufp[35]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[36],
|
|
intbufp[37],
|
|
&intbufp[38],
|
|
&intbufp[39]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[40],
|
|
intbufp[41],
|
|
&intbufp[42],
|
|
&intbufp[43]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[44],
|
|
intbufp[45],
|
|
&intbufp[46],
|
|
&intbufp[47]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[48],
|
|
intbufp[49],
|
|
&intbufp[50],
|
|
&intbufp[51]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[52],
|
|
intbufp[53],
|
|
&intbufp[54],
|
|
&intbufp[55]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[56],
|
|
intbufp[57],
|
|
&intbufp[58],
|
|
&intbufp[59]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[60],
|
|
intbufp[61],
|
|
&intbufp[62],
|
|
&intbufp[63]);
|
|
intbufp += 64;
|
|
}
|
|
|
|
intbufp = intbuf;
|
|
for (int i = 0; i < 2; i++)
|
|
{
|
|
m_decimator8.myDecimate(
|
|
intbufp[2],
|
|
intbufp[3],
|
|
&intbufp[6],
|
|
&intbufp[7]);
|
|
m_decimator8.myDecimate(
|
|
intbufp[10],
|
|
intbufp[11],
|
|
&intbufp[14],
|
|
&intbufp[15]);
|
|
m_decimator8.myDecimate(
|
|
intbufp[18],
|
|
intbufp[19],
|
|
&intbufp[22],
|
|
&intbufp[23]);
|
|
m_decimator8.myDecimate(
|
|
intbufp[26],
|
|
intbufp[27],
|
|
&intbufp[30],
|
|
&intbufp[31]);
|
|
m_decimator8.myDecimate(
|
|
intbufp[34],
|
|
intbufp[35],
|
|
&intbufp[38],
|
|
&intbufp[39]);
|
|
m_decimator8.myDecimate(
|
|
intbufp[42],
|
|
intbufp[43],
|
|
&intbufp[46],
|
|
&intbufp[47]);
|
|
m_decimator8.myDecimate(
|
|
intbufp[50],
|
|
intbufp[51],
|
|
&intbufp[54],
|
|
&intbufp[55]);
|
|
m_decimator8.myDecimate(
|
|
intbufp[58],
|
|
intbufp[59],
|
|
&intbufp[62],
|
|
&intbufp[63]);
|
|
intbufp += 64;
|
|
}
|
|
|
|
intbufp = intbuf;
|
|
for (int i = 0; i < 2; i++)
|
|
{
|
|
m_decimator16.myDecimate(
|
|
intbufp[6],
|
|
intbufp[7],
|
|
&intbufp[14],
|
|
&intbufp[15]);
|
|
m_decimator16.myDecimate(
|
|
intbufp[22],
|
|
intbufp[23],
|
|
&intbufp[30],
|
|
&intbufp[31]);
|
|
m_decimator16.myDecimate(
|
|
intbufp[38],
|
|
intbufp[39],
|
|
&intbufp[46],
|
|
&intbufp[47]);
|
|
m_decimator16.myDecimate(
|
|
intbufp[54],
|
|
intbufp[55],
|
|
&intbufp[62],
|
|
&intbufp[63]);
|
|
intbufp += 64;
|
|
}
|
|
|
|
intbufp = intbuf;
|
|
for (int i = 0; i < 2; i++)
|
|
{
|
|
m_decimator32.myDecimate(
|
|
intbufp[14],
|
|
intbufp[15],
|
|
&intbufp[30],
|
|
&intbufp[31]);
|
|
m_decimator32.myDecimate(
|
|
intbufp[46],
|
|
intbufp[47],
|
|
&intbufp[62],
|
|
&intbufp[63]);
|
|
intbufp += 64;
|
|
}
|
|
|
|
intbufp = intbuf;
|
|
for (int i = 0; i < 2; i++)
|
|
{
|
|
m_decimator64.myDecimate(
|
|
intbufp[30],
|
|
intbufp[31],
|
|
&intbufp[62],
|
|
&intbufp[63]);
|
|
intbufp += 64;
|
|
}
|
|
|
|
m_decimator128.myDecimate(
|
|
intbuf[62],
|
|
intbuf[63],
|
|
&intbuf[126],
|
|
&intbuf[127]);
|
|
|
|
(**it).setReal(intbuf[126] * SDR_RX_SCALED);
|
|
(**it).setImag(intbuf[127] * SDR_RX_SCALED);
|
|
++(*it);
|
|
}
|
|
}
|
|
|
|
template<bool IQOrder>
|
|
void DecimatorsFI<IQOrder>::decimate256_cen(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ)
|
|
{
|
|
float intbuf[256];
|
|
|
|
for (int pos = 0; pos < nbIAndQ - 511; pos += 512)
|
|
{
|
|
float *intbufp;
|
|
int posi;
|
|
|
|
intbufp = intbuf;
|
|
posi = pos;
|
|
for (int i = 0; i < 8; i++)
|
|
{
|
|
intbufp[0] = buf[posi+2];
|
|
intbufp[1] = buf[posi+3];
|
|
intbufp[2] = buf[posi+6];
|
|
intbufp[3] = buf[posi+7];
|
|
intbufp[4] = buf[posi+10];
|
|
intbufp[5] = buf[posi+11];
|
|
intbufp[6] = buf[posi+14];
|
|
intbufp[7] = buf[posi+15];
|
|
intbufp[8] = buf[posi+18];
|
|
intbufp[9] = buf[posi+19];
|
|
intbufp[10] = buf[posi+22];
|
|
intbufp[11] = buf[posi+23];
|
|
intbufp[12] = buf[posi+26];
|
|
intbufp[13] = buf[posi+27];
|
|
intbufp[14] = buf[posi+30];
|
|
intbufp[15] = buf[posi+31];
|
|
intbufp[16] = buf[posi+34];
|
|
intbufp[17] = buf[posi+35];
|
|
intbufp[18] = buf[posi+38];
|
|
intbufp[19] = buf[posi+39];
|
|
intbufp[20] = buf[posi+42];
|
|
intbufp[21] = buf[posi+43];
|
|
intbufp[22] = buf[posi+46];
|
|
intbufp[23] = buf[posi+47];
|
|
intbufp[24] = buf[posi+50];
|
|
intbufp[25] = buf[posi+51];
|
|
intbufp[26] = buf[posi+54];
|
|
intbufp[27] = buf[posi+55];
|
|
intbufp[28] = buf[posi+58];
|
|
intbufp[29] = buf[posi+59];
|
|
intbufp[30] = buf[posi+62];
|
|
intbufp[31] = buf[posi+63];
|
|
intbufp += 32;
|
|
posi += 64;
|
|
}
|
|
|
|
intbufp = intbuf;
|
|
posi = pos;
|
|
for (int i = 0; i < 4; i++)
|
|
{
|
|
m_decimator2.myDecimate(
|
|
buf[posi+0],
|
|
buf[posi+1],
|
|
&intbufp[0],
|
|
&intbufp[1]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+4],
|
|
buf[posi+5],
|
|
&intbufp[2],
|
|
&intbufp[3]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+8],
|
|
buf[posi+9],
|
|
&intbufp[4],
|
|
&intbufp[5]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+12],
|
|
buf[posi+13],
|
|
&intbufp[6],
|
|
&intbufp[7]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+16],
|
|
buf[posi+17],
|
|
&intbufp[8],
|
|
&intbufp[9]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+20],
|
|
buf[posi+21],
|
|
&intbufp[10],
|
|
&intbufp[11]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+24],
|
|
buf[posi+25],
|
|
&intbufp[12],
|
|
&intbufp[13]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+28],
|
|
buf[posi+29],
|
|
&intbufp[14],
|
|
&intbufp[15]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+32],
|
|
buf[posi+33],
|
|
&intbufp[16],
|
|
&intbufp[17]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+36],
|
|
buf[posi+37],
|
|
&intbufp[18],
|
|
&intbufp[19]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+40],
|
|
buf[posi+41],
|
|
&intbufp[20],
|
|
&intbufp[21]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+44],
|
|
buf[posi+45],
|
|
&intbufp[22],
|
|
&intbufp[23]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+48],
|
|
buf[posi+49],
|
|
&intbufp[24],
|
|
&intbufp[25]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+52],
|
|
buf[posi+53],
|
|
&intbufp[26],
|
|
&intbufp[27]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+56],
|
|
buf[posi+57],
|
|
&intbufp[28],
|
|
&intbufp[29]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+60],
|
|
buf[posi+61],
|
|
&intbufp[30],
|
|
&intbufp[31]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+64],
|
|
buf[posi+65],
|
|
&intbufp[32],
|
|
&intbufp[33]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+68],
|
|
buf[posi+69],
|
|
&intbufp[34],
|
|
&intbufp[35]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+72],
|
|
buf[posi+73],
|
|
&intbufp[36],
|
|
&intbufp[37]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+76],
|
|
buf[posi+77],
|
|
&intbufp[38],
|
|
&intbufp[39]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+80],
|
|
buf[posi+81],
|
|
&intbufp[40],
|
|
&intbufp[41]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+84],
|
|
buf[posi+85],
|
|
&intbufp[42],
|
|
&intbufp[43]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+88],
|
|
buf[posi+89],
|
|
&intbufp[44],
|
|
&intbufp[45]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+92],
|
|
buf[posi+93],
|
|
&intbufp[46],
|
|
&intbufp[47]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+96],
|
|
buf[posi+97],
|
|
&intbufp[48],
|
|
&intbufp[49]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+100],
|
|
buf[posi+101],
|
|
&intbufp[50],
|
|
&intbufp[51]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+104],
|
|
buf[posi+105],
|
|
&intbufp[52],
|
|
&intbufp[53]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+108],
|
|
buf[posi+109],
|
|
&intbufp[54],
|
|
&intbufp[55]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+112],
|
|
buf[posi+113],
|
|
&intbufp[56],
|
|
&intbufp[57]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+116],
|
|
buf[posi+117],
|
|
&intbufp[58],
|
|
&intbufp[59]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+120],
|
|
buf[posi+121],
|
|
&intbufp[60],
|
|
&intbufp[61]);
|
|
m_decimator2.myDecimate(
|
|
buf[posi+124],
|
|
buf[posi+125],
|
|
&intbufp[62],
|
|
&intbufp[63]);
|
|
intbufp += 64;
|
|
posi += 128;
|
|
}
|
|
|
|
intbufp = intbuf;
|
|
for (int i = 0; i < 4; i++)
|
|
{
|
|
m_decimator4.myDecimate(
|
|
intbufp[0],
|
|
intbufp[1],
|
|
&intbufp[2],
|
|
&intbufp[3]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[4],
|
|
intbufp[5],
|
|
&intbufp[6],
|
|
&intbufp[7]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[8],
|
|
intbufp[9],
|
|
&intbufp[10],
|
|
&intbufp[11]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[12],
|
|
intbufp[13],
|
|
&intbufp[14],
|
|
&intbufp[15]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[16],
|
|
intbufp[17],
|
|
&intbufp[18],
|
|
&intbufp[19]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[20],
|
|
intbufp[21],
|
|
&intbufp[22],
|
|
&intbufp[23]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[24],
|
|
intbufp[25],
|
|
&intbufp[26],
|
|
&intbufp[27]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[28],
|
|
intbufp[29],
|
|
&intbufp[30],
|
|
&intbufp[31]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[32],
|
|
intbufp[33],
|
|
&intbufp[34],
|
|
&intbufp[35]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[36],
|
|
intbufp[37],
|
|
&intbufp[38],
|
|
&intbufp[39]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[40],
|
|
intbufp[41],
|
|
&intbufp[42],
|
|
&intbufp[43]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[44],
|
|
intbufp[45],
|
|
&intbufp[46],
|
|
&intbufp[47]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[48],
|
|
intbufp[49],
|
|
&intbufp[50],
|
|
&intbufp[51]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[52],
|
|
intbufp[53],
|
|
&intbufp[54],
|
|
&intbufp[55]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[56],
|
|
intbufp[57],
|
|
&intbufp[58],
|
|
&intbufp[59]);
|
|
m_decimator4.myDecimate(
|
|
intbufp[60],
|
|
intbufp[61],
|
|
&intbufp[62],
|
|
&intbufp[63]);
|
|
intbufp += 64;
|
|
}
|
|
|
|
intbufp = intbuf;
|
|
for (int i = 0; i < 4; i++)
|
|
{
|
|
m_decimator8.myDecimate(
|
|
intbufp[2],
|
|
intbufp[3],
|
|
&intbufp[6],
|
|
&intbufp[7]);
|
|
m_decimator8.myDecimate(
|
|
intbufp[10],
|
|
intbufp[11],
|
|
&intbufp[14],
|
|
&intbufp[15]);
|
|
m_decimator8.myDecimate(
|
|
intbufp[18],
|
|
intbufp[19],
|
|
&intbufp[22],
|
|
&intbufp[23]);
|
|
m_decimator8.myDecimate(
|
|
intbufp[26],
|
|
intbufp[27],
|
|
&intbufp[30],
|
|
&intbufp[31]);
|
|
m_decimator8.myDecimate(
|
|
intbufp[34],
|
|
intbufp[35],
|
|
&intbufp[38],
|
|
&intbufp[39]);
|
|
m_decimator8.myDecimate(
|
|
intbufp[42],
|
|
intbufp[43],
|
|
&intbufp[46],
|
|
&intbufp[47]);
|
|
m_decimator8.myDecimate(
|
|
intbufp[50],
|
|
intbufp[51],
|
|
&intbufp[54],
|
|
&intbufp[55]);
|
|
m_decimator8.myDecimate(
|
|
intbufp[58],
|
|
intbufp[59],
|
|
&intbufp[62],
|
|
&intbufp[63]);
|
|
intbufp += 64;
|
|
}
|
|
|
|
intbufp = intbuf;
|
|
for (int i = 0; i < 4; i++)
|
|
{
|
|
m_decimator16.myDecimate(
|
|
intbufp[6],
|
|
intbufp[7],
|
|
&intbufp[14],
|
|
&intbufp[15]);
|
|
m_decimator16.myDecimate(
|
|
intbufp[22],
|
|
intbufp[23],
|
|
&intbufp[30],
|
|
&intbufp[31]);
|
|
m_decimator16.myDecimate(
|
|
intbufp[38],
|
|
intbufp[39],
|
|
&intbufp[46],
|
|
&intbufp[47]);
|
|
m_decimator16.myDecimate(
|
|
intbufp[54],
|
|
intbufp[55],
|
|
&intbufp[62],
|
|
&intbufp[63]);
|
|
intbufp += 64;
|
|
}
|
|
|
|
intbufp = intbuf;
|
|
for (int i = 0; i < 4; i++)
|
|
{
|
|
m_decimator32.myDecimate(
|
|
intbufp[14],
|
|
intbufp[15],
|
|
&intbufp[30],
|
|
&intbufp[31]);
|
|
m_decimator32.myDecimate(
|
|
intbufp[46],
|
|
intbufp[47],
|
|
&intbufp[62],
|
|
&intbufp[63]);
|
|
intbufp += 64;
|
|
}
|
|
|
|
intbufp = intbuf;
|
|
for (int i = 0; i < 4; i++)
|
|
{
|
|
m_decimator64.myDecimate(
|
|
intbufp[30],
|
|
intbufp[31],
|
|
&intbufp[62],
|
|
&intbufp[63]);
|
|
intbufp += 64;
|
|
}
|
|
|
|
intbufp = intbuf;
|
|
for (int i = 0; i < 2; i++)
|
|
{
|
|
m_decimator128.myDecimate(
|
|
intbufp[62],
|
|
intbufp[63],
|
|
&intbufp[126],
|
|
&intbufp[127]);
|
|
intbufp += 128;
|
|
}
|
|
|
|
m_decimator256.myDecimate(
|
|
intbuf[126],
|
|
intbuf[127],
|
|
&intbuf[254],
|
|
&intbuf[255]);
|
|
|
|
(**it).setReal(intbuf[254] * SDR_RX_SCALED);
|
|
(**it).setImag(intbuf[255] * SDR_RX_SCALED);
|
|
++(*it);
|
|
}
|
|
}
|
|
|
|
#endif /* SDRBASE_DSP_DECIMATORSFI_H_ */
|