/////////////////////////////////////////////////////////////////////////////////// // Copyright (C) 2015 Edouard Griffiths, F4EXB // // // // This program is free software; you can redistribute it and/or modify // // it under the terms of the GNU General Public License as published by // // the Free Software Foundation as version 3 of the License, or // // // // 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 . // /////////////////////////////////////////////////////////////////////////////////// #ifndef INCLUDE_GPL_DSP_DECIMATORS_H_ #define INCLUDE_GPL_DSP_DECIMATORS_H_ #include "dsp/dsptypes.h" #ifdef USE_SSE4_1 #include "dsp/inthalfbandfiltereo1.h" #else #include "dsp/inthalfbandfilterdb.h" #endif #define DECIMATORS_HB_FILTER_ORDER 64 template struct decimation_shifts { static const uint pre1 = 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 decimation_shifts<16, 16> { static const uint pre1 = 0; static const uint pre2 = 0; static const uint post2 = 1; static const uint pre4 = 0; static const uint post4 = 2; static const uint pre8 = 0; static const uint post8 = 3; static const uint pre16 = 0; static const uint post16 = 4; static const uint pre32 = 0; static const uint post32 = 5; static const uint pre64 = 0; static const uint post64 = 6; }; template<> struct decimation_shifts<16, 12> { static const uint pre1 = 4; static const uint pre2 = 3; static const uint post2 = 0; static const uint pre4 = 2; static const uint post4 = 0; static const uint pre8 = 1; static const uint post8 = 0; static const uint pre16 = 0; static const uint post16 = 0; static const uint pre32 = 0; static const uint post32 = 1; static const uint pre64 = 0; static const uint post64 = 2; }; template<> struct decimation_shifts<16, 8> { static const uint pre1 = 6; static const uint pre2 = 5; static const uint post2 = 0; static const uint pre4 = 4; static const uint post4 = 0; static const uint pre8 = 3; static const uint post8 = 0; static const uint pre16 = 2; static const uint post16 = 0; static const uint pre32 = 1; static const uint post32 = 0; static const uint pre64 = 0; static const uint post64 = 0; }; template class Decimators { public: // interleaved I/Q input buffer void decimate1(SampleVector::iterator* it, const T* buf, qint32 len); void decimate2_u(SampleVector::iterator* it, const T* buf, qint32 len); void decimate2_inf(SampleVector::iterator* it, const T* buf, qint32 len); void decimate2_sup(SampleVector::iterator* it, const T* buf, qint32 len); void decimate2_cen(SampleVector::iterator* it, const T* buf, qint32 len); void decimate4_inf(SampleVector::iterator* it, const T* buf, qint32 len); void decimate4_sup(SampleVector::iterator* it, const T* buf, qint32 len); void decimate4_cen(SampleVector::iterator* it, const T* buf, qint32 len); void decimate8_inf(SampleVector::iterator* it, const T* buf, qint32 len); void decimate8_sup(SampleVector::iterator* it, const T* buf, qint32 len); void decimate8_cen(SampleVector::iterator* it, const T* buf, qint32 len); void decimate16_inf(SampleVector::iterator* it, const T* buf, qint32 len); void decimate16_sup(SampleVector::iterator* it, const T* buf, qint32 len); void decimate16_cen(SampleVector::iterator* it, const T* buf, qint32 len); void decimate32_inf(SampleVector::iterator* it, const T* buf, qint32 len); void decimate32_sup(SampleVector::iterator* it, const T* buf, qint32 len); void decimate32_cen(SampleVector::iterator* it, const T* buf, qint32 len); void decimate64_inf(SampleVector::iterator* it, const T* buf, qint32 len); void decimate64_sup(SampleVector::iterator* it, const T* buf, qint32 len); void decimate64_cen(SampleVector::iterator* it, const T* buf, qint32 len); // separate I and Q input buffers (ex: SDRPlay) void decimate1(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len); void decimate2_u(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len); void decimate2_inf(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len); void decimate2_sup(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len); void decimate2_cen(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len); void decimate4_inf(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len); void decimate4_sup(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len); void decimate4_cen(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len); void decimate8_inf(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len); void decimate8_sup(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len); void decimate8_cen(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len); void decimate16_inf(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len); void decimate16_sup(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len); void decimate16_cen(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len); void decimate32_inf(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len); void decimate32_sup(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len); void decimate32_cen(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len); void decimate64_inf(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len); void decimate64_sup(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len); void decimate64_cen(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len); private: #ifdef USE_SSE4_1 IntHalfbandFilterEO1 m_decimator2; // 1st stages IntHalfbandFilterEO1 m_decimator4; // 2nd stages IntHalfbandFilterEO1 m_decimator8; // 3rd stages IntHalfbandFilterEO1 m_decimator16; // 4th stages IntHalfbandFilterEO1 m_decimator32; // 5th stages IntHalfbandFilterEO1 m_decimator64; // 6th stages #else IntHalfbandFilterDB m_decimator2; // 1st stages IntHalfbandFilterDB m_decimator4; // 2nd stages IntHalfbandFilterDB m_decimator8; // 3rd stages IntHalfbandFilterDB m_decimator16; // 4th stages IntHalfbandFilterDB m_decimator32; // 5th stages IntHalfbandFilterDB m_decimator64; // 6th stages #endif }; template void Decimators::decimate1(SampleVector::iterator* it, const T* buf, qint32 len) { qint32 xreal, yimag; for (int pos = 0; pos < len - 1; pos += 2) { xreal = buf[pos+0]; yimag = buf[pos+1]; (**it).setReal(xreal << decimation_shifts::pre1); // Valgrind optim (2 - comment not repeated) (**it).setImag(yimag << decimation_shifts::pre1); ++(*it); // Valgrind optim (comment not repeated) } } template void Decimators::decimate1(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len) { qint32 xreal, yimag; for (int pos = 0; pos < len; pos += 1) { xreal = bufI[pos]; yimag = bufQ[pos]; (**it).setReal(xreal << decimation_shifts::pre1); // Valgrind optim (2 - comment not repeated) (**it).setImag(yimag << decimation_shifts::pre1); ++(*it); // Valgrind optim (comment not repeated) } } template void Decimators::decimate2_u(SampleVector::iterator* it, const T* buf, qint32 len) { qint32 xreal, yimag; for (int pos = 0; pos < len - 7; pos += 8) { xreal = (buf[pos+0] - buf[pos+3]) << decimation_shifts::pre2; yimag = (buf[pos+1] + buf[pos+2] - 255) << decimation_shifts::pre2; (**it).setReal(xreal >> decimation_shifts::post2); (**it).setImag(yimag >> decimation_shifts::post2); ++(*it); xreal = (buf[pos+7] - buf[pos+4]) << decimation_shifts::pre2; yimag = (255 - buf[pos+5] - buf[pos+6]) << decimation_shifts::pre2; (**it).setReal(xreal >> decimation_shifts::post2); (**it).setImag(yimag >> decimation_shifts::post2); ++(*it); } } template void Decimators::decimate2_u(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len) { qint32 xreal, yimag; for (int pos = 0; pos < len - 3; pos += 4) { // 0: I[0] 1: Q[0] 2: I[1] 3: Q[1] xreal = (bufI[pos] - bufQ[pos+1]) << decimation_shifts::pre2; yimag = (bufQ[pos] + bufI[pos+1] - 255) << decimation_shifts::pre2; (**it).setReal(xreal >> decimation_shifts::post2); (**it).setImag(yimag >> decimation_shifts::post2); ++(*it); // 4: I[2] 5: Q[2] 6: I[3] 7: Q[3] xreal = (bufQ[pos+3] - bufI[pos+2]) << decimation_shifts::pre2; yimag = (255 - bufQ[pos+2] - bufI[pos+3]) << decimation_shifts::pre2; (**it).setReal(xreal >> decimation_shifts::post2); (**it).setImag(yimag >> decimation_shifts::post2); ++(*it); } } template void Decimators::decimate2_inf(SampleVector::iterator* it, const T* buf, qint32 len) { qint32 xreal, yimag; for (int pos = 0; pos < len - 7; pos += 8) { xreal = (buf[pos+0] - buf[pos+3]) << decimation_shifts::pre2; yimag = (buf[pos+1] + buf[pos+2]) << decimation_shifts::pre2; (**it).setReal(xreal >> decimation_shifts::post2); (**it).setImag(yimag >> decimation_shifts::post2); ++(*it); xreal = (buf[pos+7] - buf[pos+4]) << decimation_shifts::pre2; yimag = (- buf[pos+5] - buf[pos+6]) << decimation_shifts::pre2; (**it).setReal(xreal >> decimation_shifts::post2); (**it).setImag(yimag >> decimation_shifts::post2); ++(*it); } } template void Decimators::decimate2_inf(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len) { qint32 xreal, yimag; for (int pos = 0; pos < len - 3; pos += 4) { // 0: I[0] 1: Q[0] 2: I[1] 3: Q[1] xreal = (bufI[pos] - bufQ[pos+1]) << decimation_shifts::pre2; yimag = (bufQ[pos] + bufI[pos+1]) << decimation_shifts::pre2; (**it).setReal(xreal >> decimation_shifts::post2); (**it).setImag(yimag >> decimation_shifts::post2); ++(*it); // 4: I[2] 5: Q[2] 6: I[3] 7: Q[3] xreal = (bufQ[pos+3] - bufI[pos+2]) << decimation_shifts::pre2; yimag = (- bufQ[pos+2] - bufI[pos+3]) << decimation_shifts::pre2; (**it).setReal(xreal >> decimation_shifts::post2); (**it).setImag(yimag >> decimation_shifts::post2); ++(*it); } } template void Decimators::decimate2_sup(SampleVector::iterator* it, const T* buf, qint32 len) { qint32 xreal, yimag; for (int pos = 0; pos < len - 7; pos += 8) { xreal = (buf[pos+1] - buf[pos+2]) << decimation_shifts::pre2; yimag = (- buf[pos+0] - buf[pos+3]) << decimation_shifts::pre2; (**it).setReal(xreal >> decimation_shifts::post2); (**it).setImag(yimag >> decimation_shifts::post2); ++(*it); xreal = (buf[pos+6] - buf[pos+5]) << decimation_shifts::pre2; yimag = (buf[pos+4] + buf[pos+7]) << decimation_shifts::pre2; (**it).setReal(xreal >> decimation_shifts::post2); (**it).setImag(yimag >> decimation_shifts::post2); ++(*it); } } template void Decimators::decimate2_sup(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len) { qint32 xreal, yimag; for (int pos = 0; pos < len - 3; pos += 4) { // 0: I[0] 1: Q[0] 2: I[1] 3: Q[1] xreal = (bufQ[pos] - bufI[pos+1]) << decimation_shifts::pre2; yimag = (- bufI[pos] - bufQ[pos+1]) << decimation_shifts::pre2; (**it).setReal(xreal >> decimation_shifts::post2); (**it).setImag(yimag >> decimation_shifts::post2); ++(*it); // 4: I[2] 5: Q[2] 6: I[3] 7: Q[3] xreal = (bufI[pos+3] - bufQ[pos+2]) << decimation_shifts::pre2; yimag = (bufI[pos+2] + bufQ[pos+3]) << decimation_shifts::pre2; (**it).setReal(xreal >> decimation_shifts::post2); (**it).setImag(yimag >> decimation_shifts::post2); ++(*it); } } template void Decimators::decimate4_inf(SampleVector::iterator* it, const T* buf, qint32 len) { qint32 xreal, yimag; for (int pos = 0; pos < len - 7; pos += 8) { xreal = (buf[pos+0] - buf[pos+3] + buf[pos+7] - buf[pos+4]) << decimation_shifts::pre4; yimag = (buf[pos+1] - buf[pos+5] + buf[pos+2] - buf[pos+6]) << decimation_shifts::pre4; (**it).setReal(xreal >> decimation_shifts::post4); (**it).setImag(yimag >> decimation_shifts::post4); ++(*it); } } template void Decimators::decimate4_inf(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len) { qint32 xreal, yimag; for (int pos = 0; pos < len - 3; pos += 4) { xreal = (bufI[pos] - bufQ[pos+1] + bufQ[pos+3] - bufI[pos+2]) << decimation_shifts::pre4; yimag = (bufQ[pos] - bufQ[pos+2] + bufI[pos+1] - bufI[pos+3]) << decimation_shifts::pre4; (**it).setReal(xreal >> decimation_shifts::post4); (**it).setImag(yimag >> decimation_shifts::post4); ++(*it); } } template void Decimators::decimate4_sup(SampleVector::iterator* it, const T* buf, qint32 len) { // Sup (USB): // x y x y x y x y / x -> 1,-2,-5,6 / y -> -0,-3,4,7 // [ rotate: 1, 0, -2, 3, -5, -4, 6, -7] // Inf (LSB): // x y x y x y x y / x -> 0,-3,-4,7 / y -> 1,2,-5,-6 // [ rotate: 0, 1, -3, 2, -4, -5, 7, -6] qint32 xreal, yimag; for (int pos = 0; pos < len - 7; pos += 8) { xreal = (buf[pos+1] - buf[pos+2] - buf[pos+5] + buf[pos+6]) << decimation_shifts::pre4; yimag = (- buf[pos+0] - buf[pos+3] + buf[pos+4] + buf[pos+7]) << decimation_shifts::pre4; (**it).setReal(xreal >> decimation_shifts::post4); (**it).setImag(yimag >> decimation_shifts::post4); ++(*it); } } template void Decimators::decimate4_sup(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len) { qint32 xreal, yimag; for (int pos = 0; pos < len - 3; pos += 4) { xreal = (bufQ[pos] - bufI[pos+1] - bufQ[pos+2] + bufI[pos+3]) << decimation_shifts::pre4; yimag = (- bufI[pos] - bufQ[pos+1] + bufI[pos+2] + bufQ[pos+3]) << decimation_shifts::pre4; (**it).setReal(xreal >> decimation_shifts::post4); (**it).setImag(yimag >> decimation_shifts::post4); ++(*it); } } template void Decimators::decimate8_inf(SampleVector::iterator* it, const T* buf, qint32 len) { qint32 xreal[2], yimag[2]; for (int pos = 0; pos < len - 15; pos += 8) { xreal[0] = (buf[pos+0] - buf[pos+3] + buf[pos+7] - buf[pos+4]) << decimation_shifts::pre8; yimag[0] = (buf[pos+1] - buf[pos+5] + buf[pos+2] - buf[pos+6]) << decimation_shifts::pre8; pos += 8; xreal[1] = (buf[pos+0] - buf[pos+3] + buf[pos+7] - buf[pos+4]) << decimation_shifts::pre8; yimag[1] = (buf[pos+1] - buf[pos+5] + buf[pos+2] - buf[pos+6]) << decimation_shifts::pre8; m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]); (**it).setReal(xreal[1] >> decimation_shifts::post8); (**it).setImag(yimag[1] >> decimation_shifts::post8); ++(*it); } } template void Decimators::decimate8_inf(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len) { qint32 xreal[2], yimag[2]; for (int pos = 0; pos < len - 7; pos += 4) { xreal[0] = (bufI[pos] - bufQ[pos+1] + bufQ[pos+3] - bufI[pos+2]) << decimation_shifts::pre8; yimag[0] = (bufQ[pos] - bufQ[pos+2] + bufI[pos+1] - bufI[pos+3]) << decimation_shifts::pre8; pos += 4; xreal[1] = (bufI[pos] - bufQ[pos+1] + bufQ[pos+3] - bufI[pos+2]) << decimation_shifts::pre8; yimag[1] = (bufQ[pos] - bufQ[pos+2] + bufI[pos+1] - bufQ[pos+3]) << decimation_shifts::pre8; m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]); (**it).setReal(xreal[1] >> decimation_shifts::post8); (**it).setImag(yimag[1] >> decimation_shifts::post8); ++(*it); } } template void Decimators::decimate8_sup(SampleVector::iterator* it, const T* buf, qint32 len) { qint32 xreal[2], yimag[2]; for (int pos = 0; pos < len - 15; pos += 8) { xreal[0] = (buf[pos+1] - buf[pos+2] - buf[pos+5] + buf[pos+6]) << decimation_shifts::pre8; yimag[0] = (- buf[pos+0] - buf[pos+3] + buf[pos+4] + buf[pos+7]) << decimation_shifts::pre8; pos += 8; xreal[1] = (buf[pos+1] - buf[pos+2] - buf[pos+5] + buf[pos+6]) << decimation_shifts::pre8; yimag[1] = (- buf[pos+0] - buf[pos+3] + buf[pos+4] + buf[pos+7]) << decimation_shifts::pre8; m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]); (**it).setReal(xreal[1] >> decimation_shifts::post8); (**it).setImag(yimag[1] >> decimation_shifts::post8); ++(*it); } } template void Decimators::decimate8_sup(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len) { qint32 xreal[2], yimag[2]; for (int pos = 0; pos < len - 7; pos += 4) { xreal[0] = (bufQ[pos] - bufI[pos+1] - bufQ[pos+2] + bufI[pos+3]) << decimation_shifts::pre8; yimag[0] = (- bufI[pos] - bufQ[pos+1] + bufI[pos+2] + bufQ[pos+3]) << decimation_shifts::pre8; pos += 4; xreal[1] = (bufQ[pos] - bufI[pos+1] - bufQ[pos+2] + bufI[pos+3]) << decimation_shifts::pre8; yimag[1] = (- bufI[pos] - bufQ[pos+1] + bufI[pos+2] + bufQ[pos+3]) << decimation_shifts::pre8; m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]); (**it).setReal(xreal[1] >> decimation_shifts::post8); (**it).setImag(yimag[1] >> decimation_shifts::post8); ++(*it); } } template void Decimators::decimate16_inf(SampleVector::iterator* it, const T* buf, qint32 len) { // Offset tuning: 4x downsample and rotate, then // downsample 4x more. [ rotate: 0, 1, -3, 2, -4, -5, 7, -6] qint32 xreal[4], yimag[4]; for (int pos = 0; pos < len - 31; ) { for (int i = 0; i < 4; i++) { xreal[i] = (buf[pos+0] - buf[pos+3] + buf[pos+7] - buf[pos+4]) << decimation_shifts::pre16; yimag[i] = (buf[pos+1] - buf[pos+5] + buf[pos+2] - buf[pos+6]) << decimation_shifts::pre16; pos += 8; } m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]); m_decimator2.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]); m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]); (**it).setReal(xreal[3] >> decimation_shifts::post16); (**it).setImag(yimag[3] >> decimation_shifts::post16); ++(*it); } } template void Decimators::decimate16_inf(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len) { // Offset tuning: 4x downsample and rotate, then // downsample 4x more. [ rotate: 0, 1, -3, 2, -4, -5, 7, -6] qint32 xreal[4], yimag[4]; for (int pos = 0; pos < len - 15; ) { for (int i = 0; i < 4; i++) { xreal[i] = (bufI[pos] - bufI[pos+1] + bufQ[pos+3] - bufI[pos+2]) << decimation_shifts::pre16; yimag[i] = (bufQ[pos] - bufQ[pos+2] + bufI[pos+1] - bufI[pos+3]) << decimation_shifts::pre16; pos += 4; } m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]); m_decimator2.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]); m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]); (**it).setReal(xreal[3] >> decimation_shifts::post16); (**it).setImag(yimag[3] >> decimation_shifts::post16); ++(*it); } } template void Decimators::decimate16_sup(SampleVector::iterator* it, const T* buf, qint32 len) { // Offset tuning: 4x downsample and rotate, then // downsample 4x more. [ rotate: 1, 0, -2, 3, -5, -4, 6, -7] qint32 xreal[4], yimag[4]; for (int pos = 0; pos < len - 31; ) { for (int i = 0; i < 4; i++) { xreal[i] = (buf[pos+1] - buf[pos+2] - buf[pos+5] + buf[pos+6]) << decimation_shifts::pre16; yimag[i] = (buf[pos+4] + buf[pos+7] - buf[pos+0] - buf[pos+3]) << decimation_shifts::pre16; pos += 8; } m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]); m_decimator2.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]); m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]); (**it).setReal(xreal[3] >> decimation_shifts::post16); (**it).setImag(yimag[3] >> decimation_shifts::post16); ++(*it); } } template void Decimators::decimate16_sup(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len) { // Offset tuning: 4x downsample and rotate, then // downsample 4x more. [ rotate: 1, 0, -2, 3, -5, -4, 6, -7] qint32 xreal[4], yimag[4]; for (int pos = 0; pos < len - 15; ) { for (int i = 0; i < 4; i++) { xreal[i] = (bufQ[pos+0] - bufI[pos+1] - bufQ[pos+2] + bufI[pos+3]) << decimation_shifts::pre16; yimag[i] = (bufI[pos+2] + bufQ[pos+3] - bufI[pos+0] - bufQ[pos+1]) << decimation_shifts::pre16; pos += 4; } m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]); m_decimator2.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]); m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]); (**it).setReal(xreal[3] >> decimation_shifts::post16); (**it).setImag(yimag[3] >> decimation_shifts::post16); ++(*it); } } template void Decimators::decimate32_inf(SampleVector::iterator* it, const T* buf, qint32 len) { qint32 xreal[8], yimag[8]; for (int pos = 0; pos < len - 63; ) { for (int i = 0; i < 8; i++) { xreal[i] = (buf[pos+0] - buf[pos+3] + buf[pos+7] - buf[pos+4]) << decimation_shifts::pre32; yimag[i] = (buf[pos+1] - buf[pos+5] + buf[pos+2] - buf[pos+6]) << decimation_shifts::pre32; pos += 8; } m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]); m_decimator2.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]); m_decimator2.myDecimate(xreal[4], yimag[4], &xreal[5], &yimag[5]); m_decimator2.myDecimate(xreal[6], yimag[6], &xreal[7], &yimag[7]); m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]); m_decimator4.myDecimate(xreal[5], yimag[5], &xreal[7], &yimag[7]); m_decimator8.myDecimate(xreal[3], yimag[3], &xreal[7], &yimag[7]); (**it).setReal(xreal[7] >> decimation_shifts::post32); (**it).setImag(yimag[7] >> decimation_shifts::post32); ++(*it); } } template void Decimators::decimate32_inf(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len) { qint32 xreal[8], yimag[8]; for (int pos = 0; pos < len - 31; ) { for (int i = 0; i < 8; i++) { xreal[i] = (bufI[pos+0] - bufQ[pos+1] + bufQ[pos+3] - bufI[pos+2]) << decimation_shifts::pre32; yimag[i] = (bufQ[pos+0] - bufQ[pos+2] + bufI[pos+1] - bufI[pos+3]) << decimation_shifts::pre32; pos += 4; } m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]); m_decimator2.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]); m_decimator2.myDecimate(xreal[4], yimag[4], &xreal[5], &yimag[5]); m_decimator2.myDecimate(xreal[6], yimag[6], &xreal[7], &yimag[7]); m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]); m_decimator4.myDecimate(xreal[5], yimag[5], &xreal[7], &yimag[7]); m_decimator8.myDecimate(xreal[3], yimag[3], &xreal[7], &yimag[7]); (**it).setReal(xreal[7] >> decimation_shifts::post32); (**it).setImag(yimag[7] >> decimation_shifts::post32); ++(*it); } } template void Decimators::decimate32_sup(SampleVector::iterator* it, const T* buf, qint32 len) { qint32 xreal[8], yimag[8]; for (int pos = 0; pos < len - 63; ) { for (int i = 0; i < 8; i++) { xreal[i] = (buf[pos+1] - buf[pos+2] - buf[pos+5] + buf[pos+6]) << decimation_shifts::pre32; yimag[i] = (buf[pos+4] + buf[pos+7] - buf[pos+0] - buf[pos+3]) << decimation_shifts::pre32; pos += 8; } m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]); m_decimator2.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]); m_decimator2.myDecimate(xreal[4], yimag[4], &xreal[5], &yimag[5]); m_decimator2.myDecimate(xreal[6], yimag[6], &xreal[7], &yimag[7]); m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]); m_decimator4.myDecimate(xreal[5], yimag[5], &xreal[7], &yimag[7]); m_decimator8.myDecimate(xreal[3], yimag[3], &xreal[7], &yimag[7]); (**it).setReal(xreal[7] >> decimation_shifts::post32); (**it).setImag(yimag[7] >> decimation_shifts::post32); ++(*it); } } template void Decimators::decimate32_sup(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len) { qint32 xreal[8], yimag[8]; for (int pos = 0; pos < len - 31; ) { for (int i = 0; i < 8; i++) { xreal[i] = (bufQ[pos+0] - bufI[pos+1] - bufQ[pos+2] + bufI[pos+3]) << decimation_shifts::pre32; yimag[i] = (bufI[pos+2] + bufQ[pos+3] - bufI[pos+0] - bufQ[pos+1]) << decimation_shifts::pre32; pos += 4; } m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]); m_decimator2.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]); m_decimator2.myDecimate(xreal[4], yimag[4], &xreal[5], &yimag[5]); m_decimator2.myDecimate(xreal[6], yimag[6], &xreal[7], &yimag[7]); m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]); m_decimator4.myDecimate(xreal[5], yimag[5], &xreal[7], &yimag[7]); m_decimator8.myDecimate(xreal[3], yimag[3], &xreal[7], &yimag[7]); (**it).setReal(xreal[7] >> decimation_shifts::post32); (**it).setImag(yimag[7] >> decimation_shifts::post32); ++(*it); } } template void Decimators::decimate64_inf(SampleVector::iterator* it, const T* buf, qint32 len) { qint32 xreal[16], yimag[16]; for (int pos = 0; pos < len - 127; ) { for (int i = 0; i < 16; i++) { xreal[i] = (buf[pos+0] - buf[pos+3] + buf[pos+7] - buf[pos+4]) << decimation_shifts::pre64; yimag[i] = (buf[pos+1] - buf[pos+5] + buf[pos+2] - buf[pos+6]) << decimation_shifts::pre64; pos += 8; } m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]); m_decimator2.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]); m_decimator2.myDecimate(xreal[4], yimag[4], &xreal[5], &yimag[5]); m_decimator2.myDecimate(xreal[6], yimag[6], &xreal[7], &yimag[7]); m_decimator2.myDecimate(xreal[8], yimag[8], &xreal[9], &yimag[9]); m_decimator2.myDecimate(xreal[10], yimag[10], &xreal[11], &yimag[11]); m_decimator2.myDecimate(xreal[12], yimag[12], &xreal[13], &yimag[13]); m_decimator2.myDecimate(xreal[14], yimag[14], &xreal[15], &yimag[15]); m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]); m_decimator4.myDecimate(xreal[5], yimag[5], &xreal[7], &yimag[7]); m_decimator4.myDecimate(xreal[9], yimag[9], &xreal[11], &yimag[11]); m_decimator4.myDecimate(xreal[13], yimag[13], &xreal[15], &yimag[15]); m_decimator8.myDecimate(xreal[3], yimag[3], &xreal[7], &yimag[7]); m_decimator8.myDecimate(xreal[11], yimag[11], &xreal[15], &yimag[15]); m_decimator16.myDecimate(xreal[7], yimag[7], &xreal[15], &yimag[15]); (**it).setReal(xreal[15] >> decimation_shifts::post64); (**it).setImag(yimag[15] >> decimation_shifts::post64); ++(*it); } } template void Decimators::decimate64_inf(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len) { qint32 xreal[16], yimag[16]; for (int pos = 0; pos < len - 63; ) { for (int i = 0; i < 16; i++) { xreal[i] = (bufI[pos+0] - bufQ[pos+1] + bufQ[pos+3] - bufI[pos+2]) << decimation_shifts::pre64; yimag[i] = (bufQ[pos+0] - bufQ[pos+2] + bufI[pos+1] - bufI[pos+3]) << decimation_shifts::pre64; pos += 4; } m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]); m_decimator2.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]); m_decimator2.myDecimate(xreal[4], yimag[4], &xreal[5], &yimag[5]); m_decimator2.myDecimate(xreal[6], yimag[6], &xreal[7], &yimag[7]); m_decimator2.myDecimate(xreal[8], yimag[8], &xreal[9], &yimag[9]); m_decimator2.myDecimate(xreal[10], yimag[10], &xreal[11], &yimag[11]); m_decimator2.myDecimate(xreal[12], yimag[12], &xreal[13], &yimag[13]); m_decimator2.myDecimate(xreal[14], yimag[14], &xreal[15], &yimag[15]); m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]); m_decimator4.myDecimate(xreal[5], yimag[5], &xreal[7], &yimag[7]); m_decimator4.myDecimate(xreal[9], yimag[9], &xreal[11], &yimag[11]); m_decimator4.myDecimate(xreal[13], yimag[13], &xreal[15], &yimag[15]); m_decimator8.myDecimate(xreal[3], yimag[3], &xreal[7], &yimag[7]); m_decimator8.myDecimate(xreal[11], yimag[11], &xreal[15], &yimag[15]); m_decimator16.myDecimate(xreal[7], yimag[7], &xreal[15], &yimag[15]); (**it).setReal(xreal[15] >> decimation_shifts::post64); (**it).setImag(yimag[15] >> decimation_shifts::post64); ++(*it); } } template void Decimators::decimate64_sup(SampleVector::iterator* it, const T* buf, qint32 len) { qint32 xreal[16], yimag[16]; for (int pos = 0; pos < len - 127; ) { for (int i = 0; i < 16; i++) { xreal[i] = (buf[pos+1] - buf[pos+2] - buf[pos+5] + buf[pos+6]) << decimation_shifts::pre32; yimag[i] = (buf[pos+4] + buf[pos+7] - buf[pos+0] - buf[pos+3]) << decimation_shifts::pre32; pos += 8; } m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]); m_decimator2.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]); m_decimator2.myDecimate(xreal[4], yimag[4], &xreal[5], &yimag[5]); m_decimator2.myDecimate(xreal[6], yimag[6], &xreal[7], &yimag[7]); m_decimator2.myDecimate(xreal[8], yimag[8], &xreal[9], &yimag[9]); m_decimator2.myDecimate(xreal[10], yimag[10], &xreal[11], &yimag[11]); m_decimator2.myDecimate(xreal[12], yimag[12], &xreal[13], &yimag[13]); m_decimator2.myDecimate(xreal[14], yimag[14], &xreal[15], &yimag[15]); m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]); m_decimator4.myDecimate(xreal[5], yimag[5], &xreal[7], &yimag[7]); m_decimator4.myDecimate(xreal[9], yimag[9], &xreal[11], &yimag[11]); m_decimator4.myDecimate(xreal[13], yimag[13], &xreal[15], &yimag[15]); m_decimator8.myDecimate(xreal[3], yimag[3], &xreal[7], &yimag[7]); m_decimator8.myDecimate(xreal[11], yimag[11], &xreal[15], &yimag[15]); m_decimator16.myDecimate(xreal[7], yimag[7], &xreal[15], &yimag[15]); (**it).setReal(xreal[15] >> decimation_shifts::post64); (**it).setImag(yimag[15] >> decimation_shifts::post64); ++(*it); } } template void Decimators::decimate64_sup(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len) { qint32 xreal[16], yimag[16]; for (int pos = 0; pos < len - 63; ) { for (int i = 0; i < 16; i++) { xreal[i] = (bufQ[pos+0] - bufI[pos+1] - bufQ[pos+2] + bufI[pos+3]) << decimation_shifts::pre32; yimag[i] = (bufI[pos+2] + bufQ[pos+3] - bufI[pos+0] - bufQ[pos+1]) << decimation_shifts::pre32; pos += 4; } m_decimator2.myDecimate(xreal[0], yimag[0], &xreal[1], &yimag[1]); m_decimator2.myDecimate(xreal[2], yimag[2], &xreal[3], &yimag[3]); m_decimator2.myDecimate(xreal[4], yimag[4], &xreal[5], &yimag[5]); m_decimator2.myDecimate(xreal[6], yimag[6], &xreal[7], &yimag[7]); m_decimator2.myDecimate(xreal[8], yimag[8], &xreal[9], &yimag[9]); m_decimator2.myDecimate(xreal[10], yimag[10], &xreal[11], &yimag[11]); m_decimator2.myDecimate(xreal[12], yimag[12], &xreal[13], &yimag[13]); m_decimator2.myDecimate(xreal[14], yimag[14], &xreal[15], &yimag[15]); m_decimator4.myDecimate(xreal[1], yimag[1], &xreal[3], &yimag[3]); m_decimator4.myDecimate(xreal[5], yimag[5], &xreal[7], &yimag[7]); m_decimator4.myDecimate(xreal[9], yimag[9], &xreal[11], &yimag[11]); m_decimator4.myDecimate(xreal[13], yimag[13], &xreal[15], &yimag[15]); m_decimator8.myDecimate(xreal[3], yimag[3], &xreal[7], &yimag[7]); m_decimator8.myDecimate(xreal[11], yimag[11], &xreal[15], &yimag[15]); m_decimator16.myDecimate(xreal[7], yimag[7], &xreal[15], &yimag[15]); (**it).setReal(xreal[15] >> decimation_shifts::post64); (**it).setImag(yimag[15] >> decimation_shifts::post64); ++(*it); } } template void Decimators::decimate2_cen(SampleVector::iterator* it, const T* buf, qint32 len) { qint32 intbuf[2]; for (int pos = 0; pos < len - 3; pos += 4) { intbuf[0] = buf[pos+2] << decimation_shifts::pre2; intbuf[1] = buf[pos+3] << decimation_shifts::pre2; m_decimator2.myDecimate( buf[pos+0] << decimation_shifts::pre2, buf[pos+1] << decimation_shifts::pre2, &intbuf[0], &intbuf[1]); (**it).setReal(intbuf[0] >> decimation_shifts::post2); (**it).setImag(intbuf[1] >> decimation_shifts::post2); ++(*it); } } template void Decimators::decimate2_cen(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len) { qint32 intbuf[2]; for (int pos = 0; pos < len - 1; pos += 2) { intbuf[0] = bufI[pos+1] << decimation_shifts::pre2; intbuf[1] = bufQ[pos+1] << decimation_shifts::pre2; m_decimator2.myDecimate( bufI[pos+0] << decimation_shifts::pre2, bufQ[pos+0] << decimation_shifts::pre2, &intbuf[0], &intbuf[1]); (**it).setReal(intbuf[0] >> decimation_shifts::post2); (**it).setImag(intbuf[1] >> decimation_shifts::post2); ++(*it); } } template void Decimators::decimate4_cen(SampleVector::iterator* it, const T* buf, qint32 len) { qint32 intbuf[4]; for (int pos = 0; pos < len - 7; pos += 8) { intbuf[0] = buf[pos+2] << decimation_shifts::pre4; intbuf[1] = buf[pos+3] << decimation_shifts::pre4; intbuf[2] = buf[pos+6] << decimation_shifts::pre4; intbuf[3] = buf[pos+7] << decimation_shifts::pre4; m_decimator2.myDecimate( buf[pos+0] << decimation_shifts::pre4, buf[pos+1] << decimation_shifts::pre4, &intbuf[0], &intbuf[1]); m_decimator2.myDecimate( buf[pos+4] << decimation_shifts::pre4, buf[pos+5] << decimation_shifts::pre4, &intbuf[2], &intbuf[3]); m_decimator4.myDecimate( intbuf[0], intbuf[1], &intbuf[2], &intbuf[3]); (**it).setReal(intbuf[2] >> decimation_shifts::post4); (**it).setImag(intbuf[3] >> decimation_shifts::post4); ++(*it); } } template void Decimators::decimate4_cen(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len) { qint32 intbuf[4]; for (int pos = 0; pos < len - 3; pos += 4) { intbuf[0] = bufI[pos+1] << decimation_shifts::pre4; intbuf[1] = bufQ[pos+1] << decimation_shifts::pre4; intbuf[2] = bufI[pos+3] << decimation_shifts::pre4; intbuf[3] = bufQ[pos+3] << decimation_shifts::pre4; m_decimator2.myDecimate( bufI[pos+0] << decimation_shifts::pre4, bufQ[pos+0] << decimation_shifts::pre4, &intbuf[0], &intbuf[1]); m_decimator2.myDecimate( bufI[pos+2] << decimation_shifts::pre4, bufQ[pos+2] << decimation_shifts::pre4, &intbuf[2], &intbuf[3]); m_decimator4.myDecimate( intbuf[0], intbuf[1], &intbuf[2], &intbuf[3]); (**it).setReal(intbuf[2] >> decimation_shifts::post4); (**it).setImag(intbuf[3] >> decimation_shifts::post4); ++(*it); } } template void Decimators::decimate8_cen(SampleVector::iterator* it, const T* buf, qint32 len) { qint32 intbuf[8]; for (int pos = 0; pos < len - 15; pos += 16) { intbuf[0] = buf[pos+2] << decimation_shifts::pre8; intbuf[1] = buf[pos+3] << decimation_shifts::pre8; intbuf[2] = buf[pos+6] << decimation_shifts::pre8; intbuf[3] = buf[pos+7] << decimation_shifts::pre8; intbuf[4] = buf[pos+10] << decimation_shifts::pre8; intbuf[5] = buf[pos+11] << decimation_shifts::pre8; intbuf[6] = buf[pos+14] << decimation_shifts::pre8; intbuf[7] = buf[pos+15] << decimation_shifts::pre8; m_decimator2.myDecimate( buf[pos+0] << decimation_shifts::pre8, buf[pos+1] << decimation_shifts::pre8, &intbuf[0], &intbuf[1]); m_decimator2.myDecimate( buf[pos+4] << decimation_shifts::pre8, buf[pos+5] << decimation_shifts::pre8, &intbuf[2], &intbuf[3]); m_decimator2.myDecimate( buf[pos+8] << decimation_shifts::pre8, buf[pos+9] << decimation_shifts::pre8, &intbuf[4], &intbuf[5]); m_decimator2.myDecimate( buf[pos+12] << decimation_shifts::pre8, buf[pos+13] << decimation_shifts::pre8, &intbuf[6], &intbuf[7]); m_decimator4.myDecimate( intbuf[0], intbuf[1], &intbuf[2], &intbuf[3]); m_decimator4.myDecimate( intbuf[4], intbuf[5], &intbuf[6], &intbuf[7]); m_decimator8.myDecimate( intbuf[2], intbuf[3], &intbuf[6], &intbuf[7]); (**it).setReal(intbuf[6] >> decimation_shifts::post8); (**it).setImag(intbuf[7] >> decimation_shifts::post8); ++(*it); } } template void Decimators::decimate8_cen(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len) { qint32 intbuf[8]; for (int pos = 0; pos < len - 7; pos += 8) { intbuf[0] = bufI[pos+1] << decimation_shifts::pre8; intbuf[1] = bufQ[pos+1] << decimation_shifts::pre8; intbuf[2] = bufI[pos+3] << decimation_shifts::pre8; intbuf[3] = bufQ[pos+3] << decimation_shifts::pre8; intbuf[4] = bufI[pos+5] << decimation_shifts::pre8; intbuf[5] = bufQ[pos+5] << decimation_shifts::pre8; intbuf[6] = bufI[pos+7] << decimation_shifts::pre8; intbuf[7] = bufQ[pos+7] << decimation_shifts::pre8; m_decimator2.myDecimate( bufI[pos+0] << decimation_shifts::pre8, bufQ[pos+0] << decimation_shifts::pre8, &intbuf[0], &intbuf[1]); m_decimator2.myDecimate( bufI[pos+2] << decimation_shifts::pre8, bufQ[pos+2] << decimation_shifts::pre8, &intbuf[2], &intbuf[3]); m_decimator2.myDecimate( bufI[pos+4] << decimation_shifts::pre8, bufQ[pos+4] << decimation_shifts::pre8, &intbuf[4], &intbuf[5]); m_decimator2.myDecimate( bufI[pos+6] << decimation_shifts::pre8, bufQ[pos+6] << decimation_shifts::pre8, &intbuf[6], &intbuf[7]); m_decimator4.myDecimate( intbuf[0], intbuf[1], &intbuf[2], &intbuf[3]); m_decimator4.myDecimate( intbuf[4], intbuf[5], &intbuf[6], &intbuf[7]); m_decimator8.myDecimate( intbuf[2], intbuf[3], &intbuf[6], &intbuf[7]); (**it).setReal(intbuf[6] >> decimation_shifts::post8); (**it).setImag(intbuf[7] >> decimation_shifts::post8); ++(*it); } } template void Decimators::decimate16_cen(SampleVector::iterator* it, const T* buf, qint32 len) { qint32 intbuf[16]; for (int pos = 0; pos < len - 31; pos += 32) { intbuf[0] = buf[pos+2] << decimation_shifts::pre16; intbuf[1] = buf[pos+3] << decimation_shifts::pre16; intbuf[2] = buf[pos+6] << decimation_shifts::pre16; intbuf[3] = buf[pos+7] << decimation_shifts::pre16; intbuf[4] = buf[pos+10] << decimation_shifts::pre16; intbuf[5] = buf[pos+11] << decimation_shifts::pre16; intbuf[6] = buf[pos+14] << decimation_shifts::pre16; intbuf[7] = buf[pos+15] << decimation_shifts::pre16; intbuf[8] = buf[pos+18] << decimation_shifts::pre16; intbuf[9] = buf[pos+19] << decimation_shifts::pre16; intbuf[10] = buf[pos+22] << decimation_shifts::pre16; intbuf[11] = buf[pos+23] << decimation_shifts::pre16; intbuf[12] = buf[pos+26] << decimation_shifts::pre16; intbuf[13] = buf[pos+27] << decimation_shifts::pre16; intbuf[14] = buf[pos+30] << decimation_shifts::pre16; intbuf[15] = buf[pos+31] << decimation_shifts::pre16; m_decimator2.myDecimate( buf[pos+0] << decimation_shifts::pre16, buf[pos+1] << decimation_shifts::pre16, &intbuf[0], &intbuf[1]); m_decimator2.myDecimate( buf[pos+4] << decimation_shifts::pre16, buf[pos+5] << decimation_shifts::pre16, &intbuf[2], &intbuf[3]); m_decimator2.myDecimate( buf[pos+8] << decimation_shifts::pre16, buf[pos+9] << decimation_shifts::pre16, &intbuf[4], &intbuf[5]); m_decimator2.myDecimate( buf[pos+12] << decimation_shifts::pre16, buf[pos+13] << decimation_shifts::pre16, &intbuf[6], &intbuf[7]); m_decimator2.myDecimate( buf[pos+16] << decimation_shifts::pre16, buf[pos+17] << decimation_shifts::pre16, &intbuf[8], &intbuf[9]); m_decimator2.myDecimate( buf[pos+20] << decimation_shifts::pre16, buf[pos+21] << decimation_shifts::pre16, &intbuf[10], &intbuf[11]); m_decimator2.myDecimate( buf[pos+24] << decimation_shifts::pre16, buf[pos+25] << decimation_shifts::pre16, &intbuf[12], &intbuf[13]); m_decimator2.myDecimate( buf[pos+28] << decimation_shifts::pre16, buf[pos+29] << decimation_shifts::pre16, &intbuf[14], &intbuf[15]); m_decimator4.myDecimate( intbuf[0], intbuf[1], &intbuf[2], &intbuf[3]); m_decimator4.myDecimate( intbuf[4], intbuf[5], &intbuf[6], &intbuf[7]); m_decimator4.myDecimate( intbuf[8], intbuf[9], &intbuf[10], &intbuf[11]); m_decimator4.myDecimate( intbuf[12], intbuf[13], &intbuf[14], &intbuf[15]); m_decimator8.myDecimate( intbuf[2], intbuf[3], &intbuf[6], &intbuf[7]); m_decimator8.myDecimate( intbuf[10], intbuf[11], &intbuf[14], &intbuf[15]); m_decimator16.myDecimate( intbuf[6], intbuf[7], &intbuf[14], &intbuf[15]); (**it).setReal(intbuf[14] >> decimation_shifts::post16); (**it).setImag(intbuf[15] >> decimation_shifts::post16); ++(*it); } } template void Decimators::decimate16_cen(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len) { qint32 intbuf[16]; for (int pos = 0; pos < len - 15; pos += 16) { intbuf[0] = bufI[pos+1] << decimation_shifts::pre16; intbuf[1] = bufQ[pos+1] << decimation_shifts::pre16; intbuf[2] = bufI[pos+3] << decimation_shifts::pre16; intbuf[3] = bufQ[pos+3] << decimation_shifts::pre16; intbuf[4] = bufI[pos+5] << decimation_shifts::pre16; intbuf[5] = bufQ[pos+5] << decimation_shifts::pre16; intbuf[6] = bufI[pos+7] << decimation_shifts::pre16; intbuf[7] = bufQ[pos+7] << decimation_shifts::pre16; intbuf[8] = bufI[pos+9] << decimation_shifts::pre16; intbuf[9] = bufQ[pos+9] << decimation_shifts::pre16; intbuf[10] = bufI[pos+11] << decimation_shifts::pre16; intbuf[11] = bufQ[pos+11] << decimation_shifts::pre16; intbuf[12] = bufI[pos+13] << decimation_shifts::pre16; intbuf[13] = bufQ[pos+13] << decimation_shifts::pre16; intbuf[14] = bufI[pos+15] << decimation_shifts::pre16; intbuf[15] = bufQ[pos+15] << decimation_shifts::pre16; m_decimator2.myDecimate( bufI[pos+0] << decimation_shifts::pre16, bufQ[pos+0] << decimation_shifts::pre16, &intbuf[0], &intbuf[1]); m_decimator2.myDecimate( bufI[pos+2] << decimation_shifts::pre16, bufQ[pos+2] << decimation_shifts::pre16, &intbuf[2], &intbuf[3]); m_decimator2.myDecimate( bufI[pos+4] << decimation_shifts::pre16, bufQ[pos+4] << decimation_shifts::pre16, &intbuf[4], &intbuf[5]); m_decimator2.myDecimate( bufI[pos+6] << decimation_shifts::pre16, bufQ[pos+6] << decimation_shifts::pre16, &intbuf[6], &intbuf[7]); m_decimator2.myDecimate( bufI[pos+8] << decimation_shifts::pre16, bufQ[pos+8] << decimation_shifts::pre16, &intbuf[8], &intbuf[9]); m_decimator2.myDecimate( bufI[pos+10] << decimation_shifts::pre16, bufQ[pos+10] << decimation_shifts::pre16, &intbuf[10], &intbuf[11]); m_decimator2.myDecimate( bufI[pos+12] << decimation_shifts::pre16, bufQ[pos+12] << decimation_shifts::pre16, &intbuf[12], &intbuf[13]); m_decimator2.myDecimate( bufI[pos+14] << decimation_shifts::pre16, bufQ[pos+14] << decimation_shifts::pre16, &intbuf[14], &intbuf[15]); m_decimator4.myDecimate( intbuf[0], intbuf[1], &intbuf[2], &intbuf[3]); m_decimator4.myDecimate( intbuf[4], intbuf[5], &intbuf[6], &intbuf[7]); m_decimator4.myDecimate( intbuf[8], intbuf[9], &intbuf[10], &intbuf[11]); m_decimator4.myDecimate( intbuf[12], intbuf[13], &intbuf[14], &intbuf[15]); m_decimator8.myDecimate( intbuf[2], intbuf[3], &intbuf[6], &intbuf[7]); m_decimator8.myDecimate( intbuf[10], intbuf[11], &intbuf[14], &intbuf[15]); m_decimator16.myDecimate( intbuf[6], intbuf[7], &intbuf[14], &intbuf[15]); (**it).setReal(intbuf[14] >> decimation_shifts::post16); (**it).setImag(intbuf[15] >> decimation_shifts::post16); ++(*it); } } template void Decimators::decimate32_cen(SampleVector::iterator* it, const T* buf, qint32 len) { qint32 intbuf[32]; for (int pos = 0; pos < len - 63; pos += 64) { intbuf[0] = buf[pos+2] << decimation_shifts::pre32; intbuf[1] = buf[pos+3] << decimation_shifts::pre32; intbuf[2] = buf[pos+6] << decimation_shifts::pre32; intbuf[3] = buf[pos+7] << decimation_shifts::pre32; intbuf[4] = buf[pos+10] << decimation_shifts::pre32; intbuf[5] = buf[pos+11] << decimation_shifts::pre32; intbuf[6] = buf[pos+14] << decimation_shifts::pre32; intbuf[7] = buf[pos+15] << decimation_shifts::pre32; intbuf[8] = buf[pos+18] << decimation_shifts::pre32; intbuf[9] = buf[pos+19] << decimation_shifts::pre32; intbuf[10] = buf[pos+22] << decimation_shifts::pre32; intbuf[11] = buf[pos+23] << decimation_shifts::pre32; intbuf[12] = buf[pos+26] << decimation_shifts::pre32; intbuf[13] = buf[pos+27] << decimation_shifts::pre32; intbuf[14] = buf[pos+30] << decimation_shifts::pre32; intbuf[15] = buf[pos+31] << decimation_shifts::pre32; intbuf[16] = buf[pos+34] << decimation_shifts::pre32; intbuf[17] = buf[pos+35] << decimation_shifts::pre32; intbuf[18] = buf[pos+38] << decimation_shifts::pre32; intbuf[19] = buf[pos+39] << decimation_shifts::pre32; intbuf[20] = buf[pos+42] << decimation_shifts::pre32; intbuf[21] = buf[pos+43] << decimation_shifts::pre32; intbuf[22] = buf[pos+46] << decimation_shifts::pre32; intbuf[23] = buf[pos+47] << decimation_shifts::pre32; intbuf[24] = buf[pos+50] << decimation_shifts::pre32; intbuf[25] = buf[pos+51] << decimation_shifts::pre32; intbuf[26] = buf[pos+54] << decimation_shifts::pre32; intbuf[27] = buf[pos+55] << decimation_shifts::pre32; intbuf[28] = buf[pos+58] << decimation_shifts::pre32; intbuf[29] = buf[pos+59] << decimation_shifts::pre32; intbuf[30] = buf[pos+62] << decimation_shifts::pre32; intbuf[31] = buf[pos+63] << decimation_shifts::pre32; m_decimator2.myDecimate( buf[pos+0] << decimation_shifts::pre32, buf[pos+1] << decimation_shifts::pre32, &intbuf[0], &intbuf[1]); m_decimator2.myDecimate( buf[pos+4] << decimation_shifts::pre32, buf[pos+5] << decimation_shifts::pre32, &intbuf[2], &intbuf[3]); m_decimator2.myDecimate( buf[pos+8] << decimation_shifts::pre32, buf[pos+9] << decimation_shifts::pre32, &intbuf[4], &intbuf[5]); m_decimator2.myDecimate( buf[pos+12] << decimation_shifts::pre32, buf[pos+13] << decimation_shifts::pre32, &intbuf[6], &intbuf[7]); m_decimator2.myDecimate( buf[pos+16] << decimation_shifts::pre32, buf[pos+17] << decimation_shifts::pre32, &intbuf[8], &intbuf[9]); m_decimator2.myDecimate( buf[pos+20] << decimation_shifts::pre32, buf[pos+21] << decimation_shifts::pre32, &intbuf[10], &intbuf[11]); m_decimator2.myDecimate( buf[pos+24] << decimation_shifts::pre32, buf[pos+25] << decimation_shifts::pre32, &intbuf[12], &intbuf[13]); m_decimator2.myDecimate( buf[pos+28] << decimation_shifts::pre32, buf[pos+29] << decimation_shifts::pre32, &intbuf[14], &intbuf[15]); m_decimator2.myDecimate( buf[pos+32] << decimation_shifts::pre32, buf[pos+33] << decimation_shifts::pre32, &intbuf[16], &intbuf[17]); m_decimator2.myDecimate( buf[pos+36] << decimation_shifts::pre32, buf[pos+37] << decimation_shifts::pre32, &intbuf[18], &intbuf[19]); m_decimator2.myDecimate( buf[pos+40] << decimation_shifts::pre32, buf[pos+41] << decimation_shifts::pre32, &intbuf[20], &intbuf[21]); m_decimator2.myDecimate( buf[pos+44] << decimation_shifts::pre32, buf[pos+45] << decimation_shifts::pre32, &intbuf[22], &intbuf[23]); m_decimator2.myDecimate( buf[pos+48] << decimation_shifts::pre32, buf[pos+49] << decimation_shifts::pre32, &intbuf[24], &intbuf[25]); m_decimator2.myDecimate( buf[pos+52] << decimation_shifts::pre32, buf[pos+53] << decimation_shifts::pre32, &intbuf[26], &intbuf[27]); m_decimator2.myDecimate( buf[pos+56] << decimation_shifts::pre32, buf[pos+57] << decimation_shifts::pre32, &intbuf[28], &intbuf[29]); m_decimator2.myDecimate( buf[pos+60] << decimation_shifts::pre32, buf[pos+61] << decimation_shifts::pre32, &intbuf[30], &intbuf[31]); m_decimator4.myDecimate( intbuf[0], intbuf[1], &intbuf[2], &intbuf[3]); m_decimator4.myDecimate( intbuf[4], intbuf[5], &intbuf[6], &intbuf[7]); m_decimator4.myDecimate( intbuf[8], intbuf[9], &intbuf[10], &intbuf[11]); m_decimator4.myDecimate( intbuf[12], intbuf[13], &intbuf[14], &intbuf[15]); m_decimator4.myDecimate( intbuf[16], intbuf[17], &intbuf[18], &intbuf[19]); m_decimator4.myDecimate( intbuf[20], intbuf[21], &intbuf[22], &intbuf[23]); m_decimator4.myDecimate( intbuf[24], intbuf[25], &intbuf[26], &intbuf[27]); m_decimator4.myDecimate( intbuf[28], intbuf[29], &intbuf[30], &intbuf[31]); m_decimator8.myDecimate( intbuf[2], intbuf[3], &intbuf[6], &intbuf[7]); m_decimator8.myDecimate( intbuf[10], intbuf[11], &intbuf[14], &intbuf[15]); m_decimator8.myDecimate( intbuf[18], intbuf[19], &intbuf[22], &intbuf[23]); m_decimator8.myDecimate( intbuf[26], intbuf[27], &intbuf[30], &intbuf[31]); m_decimator16.myDecimate( intbuf[6], intbuf[7], &intbuf[14], &intbuf[15]); m_decimator16.myDecimate( intbuf[22], intbuf[23], &intbuf[30], &intbuf[31]); m_decimator32.myDecimate( intbuf[14], intbuf[15], &intbuf[30], &intbuf[31]); (**it).setReal(intbuf[30] >> decimation_shifts::post32); (**it).setImag(intbuf[31] >> decimation_shifts::post32); ++(*it); } } template void Decimators::decimate32_cen(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len) { qint32 intbuf[32]; for (int pos = 0; pos < len - 31; pos += 32) { intbuf[0] = bufI[pos+1] << decimation_shifts::pre32; intbuf[1] = bufQ[pos+1] << decimation_shifts::pre32; intbuf[2] = bufI[pos+3] << decimation_shifts::pre32; intbuf[3] = bufQ[pos+3] << decimation_shifts::pre32; intbuf[4] = bufI[pos+5] << decimation_shifts::pre32; intbuf[5] = bufQ[pos+5] << decimation_shifts::pre32; intbuf[6] = bufI[pos+7] << decimation_shifts::pre32; intbuf[7] = bufQ[pos+7] << decimation_shifts::pre32; intbuf[8] = bufI[pos+9] << decimation_shifts::pre32; intbuf[9] = bufQ[pos+9] << decimation_shifts::pre32; intbuf[10] = bufI[pos+11] << decimation_shifts::pre32; intbuf[11] = bufQ[pos+11] << decimation_shifts::pre32; intbuf[12] = bufI[pos+13] << decimation_shifts::pre32; intbuf[13] = bufQ[pos+13] << decimation_shifts::pre32; intbuf[14] = bufI[pos+15] << decimation_shifts::pre32; intbuf[15] = bufQ[pos+15] << decimation_shifts::pre32; intbuf[16] = bufI[pos+17] << decimation_shifts::pre32; intbuf[17] = bufQ[pos+17] << decimation_shifts::pre32; intbuf[18] = bufI[pos+19] << decimation_shifts::pre32; intbuf[19] = bufQ[pos+19] << decimation_shifts::pre32; intbuf[20] = bufI[pos+21] << decimation_shifts::pre32; intbuf[21] = bufQ[pos+21] << decimation_shifts::pre32; intbuf[22] = bufI[pos+23] << decimation_shifts::pre32; intbuf[23] = bufQ[pos+23] << decimation_shifts::pre32; intbuf[24] = bufI[pos+25] << decimation_shifts::pre32; intbuf[25] = bufQ[pos+25] << decimation_shifts::pre32; intbuf[26] = bufI[pos+27] << decimation_shifts::pre32; intbuf[27] = bufQ[pos+27] << decimation_shifts::pre32; intbuf[28] = bufI[pos+29] << decimation_shifts::pre32; intbuf[29] = bufQ[pos+29] << decimation_shifts::pre32; intbuf[30] = bufI[pos+31] << decimation_shifts::pre32; intbuf[31] = bufQ[pos+31] << decimation_shifts::pre32; m_decimator2.myDecimate( bufI[pos+0] << decimation_shifts::pre32, bufQ[pos+0] << decimation_shifts::pre32, &intbuf[0], &intbuf[1]); m_decimator2.myDecimate( bufI[pos+2] << decimation_shifts::pre32, bufQ[pos+2] << decimation_shifts::pre32, &intbuf[2], &intbuf[3]); m_decimator2.myDecimate( bufI[pos+4] << decimation_shifts::pre32, bufQ[pos+4] << decimation_shifts::pre32, &intbuf[4], &intbuf[5]); m_decimator2.myDecimate( bufI[pos+6] << decimation_shifts::pre32, bufQ[pos+6] << decimation_shifts::pre32, &intbuf[6], &intbuf[7]); m_decimator2.myDecimate( bufI[pos+8] << decimation_shifts::pre32, bufQ[pos+8] << decimation_shifts::pre32, &intbuf[8], &intbuf[9]); m_decimator2.myDecimate( bufI[pos+10] << decimation_shifts::pre32, bufQ[pos+10] << decimation_shifts::pre32, &intbuf[10], &intbuf[11]); m_decimator2.myDecimate( bufI[pos+12] << decimation_shifts::pre32, bufQ[pos+12] << decimation_shifts::pre32, &intbuf[12], &intbuf[13]); m_decimator2.myDecimate( bufI[pos+14] << decimation_shifts::pre32, bufQ[pos+14] << decimation_shifts::pre32, &intbuf[14], &intbuf[15]); m_decimator2.myDecimate( bufI[pos+16] << decimation_shifts::pre32, bufQ[pos+16] << decimation_shifts::pre32, &intbuf[16], &intbuf[17]); m_decimator2.myDecimate( bufI[pos+18] << decimation_shifts::pre32, bufQ[pos+18] << decimation_shifts::pre32, &intbuf[18], &intbuf[19]); m_decimator2.myDecimate( bufI[pos+20] << decimation_shifts::pre32, bufQ[pos+20] << decimation_shifts::pre32, &intbuf[20], &intbuf[21]); m_decimator2.myDecimate( bufI[pos+22] << decimation_shifts::pre32, bufQ[pos+22] << decimation_shifts::pre32, &intbuf[22], &intbuf[23]); m_decimator2.myDecimate( bufI[pos+24] << decimation_shifts::pre32, bufQ[pos+24] << decimation_shifts::pre32, &intbuf[24], &intbuf[25]); m_decimator2.myDecimate( bufI[pos+26] << decimation_shifts::pre32, bufQ[pos+26] << decimation_shifts::pre32, &intbuf[26], &intbuf[27]); m_decimator2.myDecimate( bufI[pos+28] << decimation_shifts::pre32, bufQ[pos+28] << decimation_shifts::pre32, &intbuf[28], &intbuf[29]); m_decimator2.myDecimate( bufI[pos+30] << decimation_shifts::pre32, bufQ[pos+30] << decimation_shifts::pre32, &intbuf[30], &intbuf[31]); m_decimator4.myDecimate( intbuf[0], intbuf[1], &intbuf[2], &intbuf[3]); m_decimator4.myDecimate( intbuf[4], intbuf[5], &intbuf[6], &intbuf[7]); m_decimator4.myDecimate( intbuf[8], intbuf[9], &intbuf[10], &intbuf[11]); m_decimator4.myDecimate( intbuf[12], intbuf[13], &intbuf[14], &intbuf[15]); m_decimator4.myDecimate( intbuf[16], intbuf[17], &intbuf[18], &intbuf[19]); m_decimator4.myDecimate( intbuf[20], intbuf[21], &intbuf[22], &intbuf[23]); m_decimator4.myDecimate( intbuf[24], intbuf[25], &intbuf[26], &intbuf[27]); m_decimator4.myDecimate( intbuf[28], intbuf[29], &intbuf[30], &intbuf[31]); m_decimator8.myDecimate( intbuf[2], intbuf[3], &intbuf[6], &intbuf[7]); m_decimator8.myDecimate( intbuf[10], intbuf[11], &intbuf[14], &intbuf[15]); m_decimator8.myDecimate( intbuf[18], intbuf[19], &intbuf[22], &intbuf[23]); m_decimator8.myDecimate( intbuf[26], intbuf[27], &intbuf[30], &intbuf[31]); m_decimator16.myDecimate( intbuf[6], intbuf[7], &intbuf[14], &intbuf[15]); m_decimator16.myDecimate( intbuf[22], intbuf[23], &intbuf[30], &intbuf[31]); m_decimator32.myDecimate( intbuf[14], intbuf[15], &intbuf[30], &intbuf[31]); (**it).setReal(intbuf[30] >> decimation_shifts::post32); (**it).setImag(intbuf[31] >> decimation_shifts::post32); ++(*it); } } template void Decimators::decimate64_cen(SampleVector::iterator* it, const T* buf, qint32 len) { qint32 intbuf[64]; for (int pos = 0; pos < len - 127; pos += 128) { intbuf[0] = buf[pos+2] << decimation_shifts::pre64; intbuf[1] = buf[pos+3] << decimation_shifts::pre64; intbuf[2] = buf[pos+6] << decimation_shifts::pre64; intbuf[3] = buf[pos+7] << decimation_shifts::pre64; intbuf[4] = buf[pos+10] << decimation_shifts::pre64; intbuf[5] = buf[pos+11] << decimation_shifts::pre64; intbuf[6] = buf[pos+14] << decimation_shifts::pre64; intbuf[7] = buf[pos+15] << decimation_shifts::pre64; intbuf[8] = buf[pos+18] << decimation_shifts::pre64; intbuf[9] = buf[pos+19] << decimation_shifts::pre64; intbuf[10] = buf[pos+22] << decimation_shifts::pre64; intbuf[11] = buf[pos+23] << decimation_shifts::pre64; intbuf[12] = buf[pos+26] << decimation_shifts::pre64; intbuf[13] = buf[pos+27] << decimation_shifts::pre64; intbuf[14] = buf[pos+30] << decimation_shifts::pre64; intbuf[15] = buf[pos+31] << decimation_shifts::pre64; intbuf[16] = buf[pos+34] << decimation_shifts::pre64; intbuf[17] = buf[pos+35] << decimation_shifts::pre64; intbuf[18] = buf[pos+38] << decimation_shifts::pre64; intbuf[19] = buf[pos+39] << decimation_shifts::pre64; intbuf[20] = buf[pos+42] << decimation_shifts::pre64; intbuf[21] = buf[pos+43] << decimation_shifts::pre64; intbuf[22] = buf[pos+46] << decimation_shifts::pre64; intbuf[23] = buf[pos+47] << decimation_shifts::pre64; intbuf[24] = buf[pos+50] << decimation_shifts::pre64; intbuf[25] = buf[pos+51] << decimation_shifts::pre64; intbuf[26] = buf[pos+54] << decimation_shifts::pre64; intbuf[27] = buf[pos+55] << decimation_shifts::pre64; intbuf[28] = buf[pos+58] << decimation_shifts::pre64; intbuf[29] = buf[pos+59] << decimation_shifts::pre64; intbuf[30] = buf[pos+62] << decimation_shifts::pre64; intbuf[31] = buf[pos+63] << decimation_shifts::pre64; intbuf[32] = buf[pos+66] << decimation_shifts::pre64; intbuf[33] = buf[pos+67] << decimation_shifts::pre64; intbuf[34] = buf[pos+70] << decimation_shifts::pre64; intbuf[35] = buf[pos+71] << decimation_shifts::pre64; intbuf[36] = buf[pos+74] << decimation_shifts::pre64; intbuf[37] = buf[pos+75] << decimation_shifts::pre64; intbuf[38] = buf[pos+78] << decimation_shifts::pre64; intbuf[39] = buf[pos+79] << decimation_shifts::pre64; intbuf[40] = buf[pos+82] << decimation_shifts::pre64; intbuf[41] = buf[pos+83] << decimation_shifts::pre64; intbuf[42] = buf[pos+86] << decimation_shifts::pre64; intbuf[43] = buf[pos+87] << decimation_shifts::pre64; intbuf[44] = buf[pos+90] << decimation_shifts::pre64; intbuf[45] = buf[pos+91] << decimation_shifts::pre64; intbuf[46] = buf[pos+94] << decimation_shifts::pre64; intbuf[47] = buf[pos+95] << decimation_shifts::pre64; intbuf[48] = buf[pos+98] << decimation_shifts::pre64; intbuf[49] = buf[pos+99] << decimation_shifts::pre64; intbuf[50] = buf[pos+102] << decimation_shifts::pre64; intbuf[51] = buf[pos+103] << decimation_shifts::pre64; intbuf[52] = buf[pos+106] << decimation_shifts::pre64; intbuf[53] = buf[pos+107] << decimation_shifts::pre64; intbuf[54] = buf[pos+110] << decimation_shifts::pre64; intbuf[55] = buf[pos+111] << decimation_shifts::pre64; intbuf[56] = buf[pos+114] << decimation_shifts::pre64; intbuf[57] = buf[pos+115] << decimation_shifts::pre64; intbuf[58] = buf[pos+118] << decimation_shifts::pre64; intbuf[59] = buf[pos+119] << decimation_shifts::pre64; intbuf[60] = buf[pos+122] << decimation_shifts::pre64; intbuf[61] = buf[pos+123] << decimation_shifts::pre64; intbuf[62] = buf[pos+126] << decimation_shifts::pre64; intbuf[63] = buf[pos+127] << decimation_shifts::pre64; m_decimator2.myDecimate( buf[pos+0] << decimation_shifts::pre64, buf[pos+1] << decimation_shifts::pre64, &intbuf[0], &intbuf[1]); m_decimator2.myDecimate( buf[pos+4] << decimation_shifts::pre64, buf[pos+5] << decimation_shifts::pre64, &intbuf[2], &intbuf[3]); m_decimator2.myDecimate( buf[pos+8] << decimation_shifts::pre64, buf[pos+9] << decimation_shifts::pre64, &intbuf[4], &intbuf[5]); m_decimator2.myDecimate( buf[pos+12] << decimation_shifts::pre64, buf[pos+13] << decimation_shifts::pre64, &intbuf[6], &intbuf[7]); m_decimator2.myDecimate( buf[pos+16] << decimation_shifts::pre64, buf[pos+17] << decimation_shifts::pre64, &intbuf[8], &intbuf[9]); m_decimator2.myDecimate( buf[pos+20] << decimation_shifts::pre64, buf[pos+21] << decimation_shifts::pre64, &intbuf[10], &intbuf[11]); m_decimator2.myDecimate( buf[pos+24] << decimation_shifts::pre64, buf[pos+25] << decimation_shifts::pre64, &intbuf[12], &intbuf[13]); m_decimator2.myDecimate( buf[pos+28] << decimation_shifts::pre64, buf[pos+29] << decimation_shifts::pre64, &intbuf[14], &intbuf[15]); m_decimator2.myDecimate( buf[pos+32] << decimation_shifts::pre64, buf[pos+33] << decimation_shifts::pre64, &intbuf[16], &intbuf[17]); m_decimator2.myDecimate( buf[pos+36] << decimation_shifts::pre64, buf[pos+37] << decimation_shifts::pre64, &intbuf[18], &intbuf[19]); m_decimator2.myDecimate( buf[pos+40] << decimation_shifts::pre64, buf[pos+41] << decimation_shifts::pre64, &intbuf[20], &intbuf[21]); m_decimator2.myDecimate( buf[pos+44] << decimation_shifts::pre64, buf[pos+45] << decimation_shifts::pre64, &intbuf[22], &intbuf[23]); m_decimator2.myDecimate( buf[pos+48] << decimation_shifts::pre64, buf[pos+49] << decimation_shifts::pre64, &intbuf[24], &intbuf[25]); m_decimator2.myDecimate( buf[pos+52] << decimation_shifts::pre64, buf[pos+53] << decimation_shifts::pre64, &intbuf[26], &intbuf[27]); m_decimator2.myDecimate( buf[pos+56] << decimation_shifts::pre64, buf[pos+57] << decimation_shifts::pre64, &intbuf[28], &intbuf[29]); m_decimator2.myDecimate( buf[pos+60] << decimation_shifts::pre64, buf[pos+61] << decimation_shifts::pre64, &intbuf[30], &intbuf[31]); m_decimator2.myDecimate( buf[pos+64] << decimation_shifts::pre64, buf[pos+65] << decimation_shifts::pre64, &intbuf[32], &intbuf[33]); m_decimator2.myDecimate( buf[pos+68] << decimation_shifts::pre64, buf[pos+69] << decimation_shifts::pre64, &intbuf[34], &intbuf[35]); m_decimator2.myDecimate( buf[pos+72] << decimation_shifts::pre64, buf[pos+73] << decimation_shifts::pre64, &intbuf[36], &intbuf[37]); m_decimator2.myDecimate( buf[pos+76] << decimation_shifts::pre64, buf[pos+77] << decimation_shifts::pre64, &intbuf[38], &intbuf[39]); m_decimator2.myDecimate( buf[pos+80] << decimation_shifts::pre64, buf[pos+81] << decimation_shifts::pre64, &intbuf[40], &intbuf[41]); m_decimator2.myDecimate( buf[pos+84] << decimation_shifts::pre64, buf[pos+85] << decimation_shifts::pre64, &intbuf[42], &intbuf[43]); m_decimator2.myDecimate( buf[pos+88] << decimation_shifts::pre64, buf[pos+89] << decimation_shifts::pre64, &intbuf[44], &intbuf[45]); m_decimator2.myDecimate( buf[pos+92] << decimation_shifts::pre64, buf[pos+93] << decimation_shifts::pre64, &intbuf[46], &intbuf[47]); m_decimator2.myDecimate( buf[pos+96] << decimation_shifts::pre64, buf[pos+97] << decimation_shifts::pre64, &intbuf[48], &intbuf[49]); m_decimator2.myDecimate( buf[pos+100] << decimation_shifts::pre64, buf[pos+101] << decimation_shifts::pre64, &intbuf[50], &intbuf[51]); m_decimator2.myDecimate( buf[pos+104] << decimation_shifts::pre64, buf[pos+105] << decimation_shifts::pre64, &intbuf[52], &intbuf[53]); m_decimator2.myDecimate( buf[pos+108] << decimation_shifts::pre64, buf[pos+109] << decimation_shifts::pre64, &intbuf[54], &intbuf[55]); m_decimator2.myDecimate( buf[pos+112] << decimation_shifts::pre64, buf[pos+113] << decimation_shifts::pre64, &intbuf[56], &intbuf[57]); m_decimator2.myDecimate( buf[pos+116] << decimation_shifts::pre64, buf[pos+117] << decimation_shifts::pre64, &intbuf[58], &intbuf[59]); m_decimator2.myDecimate( buf[pos+120] << decimation_shifts::pre64, buf[pos+121] << decimation_shifts::pre64, &intbuf[60], &intbuf[61]); m_decimator2.myDecimate( buf[pos+124] << decimation_shifts::pre64, buf[pos+125] << decimation_shifts::pre64, &intbuf[62], &intbuf[63]); m_decimator4.myDecimate( intbuf[0], intbuf[1], &intbuf[2], &intbuf[3]); m_decimator4.myDecimate( intbuf[4], intbuf[5], &intbuf[6], &intbuf[7]); m_decimator4.myDecimate( intbuf[8], intbuf[9], &intbuf[10], &intbuf[11]); m_decimator4.myDecimate( intbuf[12], intbuf[13], &intbuf[14], &intbuf[15]); m_decimator4.myDecimate( intbuf[16], intbuf[17], &intbuf[18], &intbuf[19]); m_decimator4.myDecimate( intbuf[20], intbuf[21], &intbuf[22], &intbuf[23]); m_decimator4.myDecimate( intbuf[24], intbuf[25], &intbuf[26], &intbuf[27]); m_decimator4.myDecimate( intbuf[28], intbuf[29], &intbuf[30], &intbuf[31]); m_decimator4.myDecimate( intbuf[32], intbuf[33], &intbuf[34], &intbuf[35]); m_decimator4.myDecimate( intbuf[36], intbuf[37], &intbuf[38], &intbuf[39]); m_decimator4.myDecimate( intbuf[40], intbuf[41], &intbuf[42], &intbuf[43]); m_decimator4.myDecimate( intbuf[44], intbuf[45], &intbuf[46], &intbuf[47]); m_decimator4.myDecimate( intbuf[48], intbuf[49], &intbuf[50], &intbuf[51]); m_decimator4.myDecimate( intbuf[52], intbuf[53], &intbuf[54], &intbuf[55]); m_decimator4.myDecimate( intbuf[56], intbuf[57], &intbuf[58], &intbuf[59]); m_decimator4.myDecimate( intbuf[60], intbuf[61], &intbuf[62], &intbuf[63]); m_decimator8.myDecimate( intbuf[2], intbuf[3], &intbuf[6], &intbuf[7]); m_decimator8.myDecimate( intbuf[10], intbuf[11], &intbuf[14], &intbuf[15]); m_decimator8.myDecimate( intbuf[18], intbuf[19], &intbuf[22], &intbuf[23]); m_decimator8.myDecimate( intbuf[26], intbuf[27], &intbuf[30], &intbuf[31]); m_decimator8.myDecimate( intbuf[34], intbuf[35], &intbuf[38], &intbuf[39]); m_decimator8.myDecimate( intbuf[42], intbuf[43], &intbuf[46], &intbuf[47]); m_decimator8.myDecimate( intbuf[50], intbuf[51], &intbuf[54], &intbuf[55]); m_decimator8.myDecimate( intbuf[58], intbuf[59], &intbuf[62], &intbuf[63]); m_decimator16.myDecimate( intbuf[6], intbuf[7], &intbuf[14], &intbuf[15]); m_decimator16.myDecimate( intbuf[22], intbuf[23], &intbuf[30], &intbuf[31]); m_decimator16.myDecimate( intbuf[38], intbuf[39], &intbuf[46], &intbuf[47]); m_decimator16.myDecimate( intbuf[54], intbuf[55], &intbuf[62], &intbuf[63]); m_decimator32.myDecimate( intbuf[14], intbuf[15], &intbuf[30], &intbuf[31]); m_decimator32.myDecimate( intbuf[46], intbuf[47], &intbuf[62], &intbuf[63]); m_decimator64.myDecimate( intbuf[30], intbuf[31], &intbuf[62], &intbuf[63]); (**it).setReal(intbuf[62] >> decimation_shifts::post64); (**it).setImag(intbuf[63] >> decimation_shifts::post64); ++(*it); } } template void Decimators::decimate64_cen(SampleVector::iterator* it, const T* bufI, const T* bufQ, qint32 len) { qint32 intbuf[64]; for (int pos = 0; pos < len - 63; pos += 64) { intbuf[0] = bufI[pos+1] << decimation_shifts::pre64; intbuf[1] = bufQ[pos+1] << decimation_shifts::pre64; intbuf[2] = bufI[pos+3] << decimation_shifts::pre64; intbuf[3] = bufQ[pos+3] << decimation_shifts::pre64; intbuf[4] = bufI[pos+5] << decimation_shifts::pre64; intbuf[5] = bufQ[pos+5] << decimation_shifts::pre64; intbuf[6] = bufI[pos+7] << decimation_shifts::pre64; intbuf[7] = bufQ[pos+7] << decimation_shifts::pre64; intbuf[8] = bufI[pos+9] << decimation_shifts::pre64; intbuf[9] = bufQ[pos+9] << decimation_shifts::pre64; intbuf[10] = bufI[pos+11] << decimation_shifts::pre64; intbuf[11] = bufQ[pos+11] << decimation_shifts::pre64; intbuf[12] = bufI[pos+13] << decimation_shifts::pre64; intbuf[13] = bufQ[pos+13] << decimation_shifts::pre64; intbuf[14] = bufI[pos+15] << decimation_shifts::pre64; intbuf[15] = bufQ[pos+15] << decimation_shifts::pre64; intbuf[16] = bufI[pos+17] << decimation_shifts::pre64; intbuf[17] = bufQ[pos+17] << decimation_shifts::pre64; intbuf[18] = bufI[pos+19] << decimation_shifts::pre64; intbuf[19] = bufQ[pos+19] << decimation_shifts::pre64; intbuf[20] = bufI[pos+21] << decimation_shifts::pre64; intbuf[21] = bufQ[pos+21] << decimation_shifts::pre64; intbuf[22] = bufI[pos+23] << decimation_shifts::pre64; intbuf[23] = bufQ[pos+23] << decimation_shifts::pre64; intbuf[24] = bufI[pos+25] << decimation_shifts::pre64; intbuf[25] = bufQ[pos+25] << decimation_shifts::pre64; intbuf[26] = bufI[pos+27] << decimation_shifts::pre64; intbuf[27] = bufQ[pos+27] << decimation_shifts::pre64; intbuf[28] = bufI[pos+29] << decimation_shifts::pre64; intbuf[29] = bufQ[pos+29] << decimation_shifts::pre64; intbuf[30] = bufI[pos+31] << decimation_shifts::pre64; intbuf[31] = bufQ[pos+31] << decimation_shifts::pre64; intbuf[32] = bufI[pos+33] << decimation_shifts::pre64; intbuf[33] = bufQ[pos+33] << decimation_shifts::pre64; intbuf[34] = bufI[pos+35] << decimation_shifts::pre64; intbuf[35] = bufQ[pos+35] << decimation_shifts::pre64; intbuf[36] = bufI[pos+37] << decimation_shifts::pre64; intbuf[37] = bufQ[pos+37] << decimation_shifts::pre64; intbuf[38] = bufI[pos+39] << decimation_shifts::pre64; intbuf[39] = bufQ[pos+39] << decimation_shifts::pre64; intbuf[40] = bufI[pos+41] << decimation_shifts::pre64; intbuf[41] = bufQ[pos+41] << decimation_shifts::pre64; intbuf[42] = bufI[pos+43] << decimation_shifts::pre64; intbuf[43] = bufQ[pos+43] << decimation_shifts::pre64; intbuf[44] = bufI[pos+45] << decimation_shifts::pre64; intbuf[45] = bufQ[pos+45] << decimation_shifts::pre64; intbuf[46] = bufI[pos+47] << decimation_shifts::pre64; intbuf[47] = bufQ[pos+47] << decimation_shifts::pre64; intbuf[48] = bufI[pos+49] << decimation_shifts::pre64; intbuf[49] = bufQ[pos+49] << decimation_shifts::pre64; intbuf[50] = bufI[pos+51] << decimation_shifts::pre64; intbuf[51] = bufQ[pos+51] << decimation_shifts::pre64; intbuf[52] = bufI[pos+53] << decimation_shifts::pre64; intbuf[53] = bufQ[pos+53] << decimation_shifts::pre64; intbuf[54] = bufI[pos+55] << decimation_shifts::pre64; intbuf[55] = bufQ[pos+55] << decimation_shifts::pre64; intbuf[56] = bufI[pos+57] << decimation_shifts::pre64; intbuf[57] = bufQ[pos+57] << decimation_shifts::pre64; intbuf[58] = bufI[pos+59] << decimation_shifts::pre64; intbuf[59] = bufQ[pos+59] << decimation_shifts::pre64; intbuf[60] = bufI[pos+61] << decimation_shifts::pre64; intbuf[61] = bufQ[pos+61] << decimation_shifts::pre64; intbuf[62] = bufI[pos+63] << decimation_shifts::pre64; intbuf[63] = bufQ[pos+63] << decimation_shifts::pre64; m_decimator2.myDecimate( bufI[pos+0] << decimation_shifts::pre64, bufQ[pos+0] << decimation_shifts::pre64, &intbuf[0], &intbuf[1]); m_decimator2.myDecimate( bufI[pos+2] << decimation_shifts::pre64, bufQ[pos+2] << decimation_shifts::pre64, &intbuf[2], &intbuf[3]); m_decimator2.myDecimate( bufI[pos+4] << decimation_shifts::pre64, bufQ[pos+4] << decimation_shifts::pre64, &intbuf[4], &intbuf[5]); m_decimator2.myDecimate( bufI[pos+6] << decimation_shifts::pre64, bufQ[pos+6] << decimation_shifts::pre64, &intbuf[6], &intbuf[7]); m_decimator2.myDecimate( bufI[pos+8] << decimation_shifts::pre64, bufQ[pos+8] << decimation_shifts::pre64, &intbuf[8], &intbuf[9]); m_decimator2.myDecimate( bufI[pos+10] << decimation_shifts::pre64, bufQ[pos+10] << decimation_shifts::pre64, &intbuf[10], &intbuf[11]); m_decimator2.myDecimate( bufI[pos+12] << decimation_shifts::pre64, bufQ[pos+12] << decimation_shifts::pre64, &intbuf[12], &intbuf[13]); m_decimator2.myDecimate( bufI[pos+14] << decimation_shifts::pre64, bufQ[pos+14] << decimation_shifts::pre64, &intbuf[14], &intbuf[15]); m_decimator2.myDecimate( bufI[pos+16] << decimation_shifts::pre64, bufQ[pos+16] << decimation_shifts::pre64, &intbuf[16], &intbuf[17]); m_decimator2.myDecimate( bufI[pos+18] << decimation_shifts::pre64, bufQ[pos+18] << decimation_shifts::pre64, &intbuf[18], &intbuf[19]); m_decimator2.myDecimate( bufI[pos+20] << decimation_shifts::pre64, bufQ[pos+20] << decimation_shifts::pre64, &intbuf[20], &intbuf[21]); m_decimator2.myDecimate( bufI[pos+22] << decimation_shifts::pre64, bufQ[pos+22] << decimation_shifts::pre64, &intbuf[22], &intbuf[23]); m_decimator2.myDecimate( bufI[pos+24] << decimation_shifts::pre64, bufQ[pos+24] << decimation_shifts::pre64, &intbuf[24], &intbuf[25]); m_decimator2.myDecimate( bufI[pos+26] << decimation_shifts::pre64, bufQ[pos+26] << decimation_shifts::pre64, &intbuf[26], &intbuf[27]); m_decimator2.myDecimate( bufI[pos+28] << decimation_shifts::pre64, bufQ[pos+28] << decimation_shifts::pre64, &intbuf[28], &intbuf[29]); m_decimator2.myDecimate( bufI[pos+30] << decimation_shifts::pre64, bufQ[pos+30] << decimation_shifts::pre64, &intbuf[30], &intbuf[31]); m_decimator2.myDecimate( bufI[pos+32] << decimation_shifts::pre64, bufQ[pos+32] << decimation_shifts::pre64, &intbuf[32], &intbuf[33]); m_decimator2.myDecimate( bufI[pos+34] << decimation_shifts::pre64, bufQ[pos+34] << decimation_shifts::pre64, &intbuf[34], &intbuf[35]); m_decimator2.myDecimate( bufI[pos+36] << decimation_shifts::pre64, bufQ[pos+36] << decimation_shifts::pre64, &intbuf[36], &intbuf[37]); m_decimator2.myDecimate( bufI[pos+38] << decimation_shifts::pre64, bufQ[pos+38] << decimation_shifts::pre64, &intbuf[38], &intbuf[39]); m_decimator2.myDecimate( bufI[pos+40] << decimation_shifts::pre64, bufQ[pos+40] << decimation_shifts::pre64, &intbuf[40], &intbuf[41]); m_decimator2.myDecimate( bufI[pos+42] << decimation_shifts::pre64, bufQ[pos+42] << decimation_shifts::pre64, &intbuf[42], &intbuf[43]); m_decimator2.myDecimate( bufI[pos+44] << decimation_shifts::pre64, bufQ[pos+44] << decimation_shifts::pre64, &intbuf[44], &intbuf[45]); m_decimator2.myDecimate( bufI[pos+46] << decimation_shifts::pre64, bufQ[pos+46] << decimation_shifts::pre64, &intbuf[46], &intbuf[47]); m_decimator2.myDecimate( bufI[pos+48] << decimation_shifts::pre64, bufQ[pos+48] << decimation_shifts::pre64, &intbuf[48], &intbuf[49]); m_decimator2.myDecimate( bufI[pos+50] << decimation_shifts::pre64, bufQ[pos+50] << decimation_shifts::pre64, &intbuf[50], &intbuf[51]); m_decimator2.myDecimate( bufI[pos+52] << decimation_shifts::pre64, bufQ[pos+52] << decimation_shifts::pre64, &intbuf[52], &intbuf[53]); m_decimator2.myDecimate( bufI[pos+54] << decimation_shifts::pre64, bufQ[pos+54] << decimation_shifts::pre64, &intbuf[54], &intbuf[55]); m_decimator2.myDecimate( bufI[pos+56] << decimation_shifts::pre64, bufQ[pos+56] << decimation_shifts::pre64, &intbuf[56], &intbuf[57]); m_decimator2.myDecimate( bufI[pos+58] << decimation_shifts::pre64, bufQ[pos+58] << decimation_shifts::pre64, &intbuf[58], &intbuf[59]); m_decimator2.myDecimate( bufI[pos+60] << decimation_shifts::pre64, bufQ[pos+60] << decimation_shifts::pre64, &intbuf[60], &intbuf[61]); m_decimator2.myDecimate( bufI[pos+62] << decimation_shifts::pre64, bufQ[pos+62] << decimation_shifts::pre64, &intbuf[62], &intbuf[63]); m_decimator4.myDecimate( intbuf[0], intbuf[1], &intbuf[2], &intbuf[3]); m_decimator4.myDecimate( intbuf[4], intbuf[5], &intbuf[6], &intbuf[7]); m_decimator4.myDecimate( intbuf[8], intbuf[9], &intbuf[10], &intbuf[11]); m_decimator4.myDecimate( intbuf[12], intbuf[13], &intbuf[14], &intbuf[15]); m_decimator4.myDecimate( intbuf[16], intbuf[17], &intbuf[18], &intbuf[19]); m_decimator4.myDecimate( intbuf[20], intbuf[21], &intbuf[22], &intbuf[23]); m_decimator4.myDecimate( intbuf[24], intbuf[25], &intbuf[26], &intbuf[27]); m_decimator4.myDecimate( intbuf[28], intbuf[29], &intbuf[30], &intbuf[31]); m_decimator4.myDecimate( intbuf[32], intbuf[33], &intbuf[34], &intbuf[35]); m_decimator4.myDecimate( intbuf[36], intbuf[37], &intbuf[38], &intbuf[39]); m_decimator4.myDecimate( intbuf[40], intbuf[41], &intbuf[42], &intbuf[43]); m_decimator4.myDecimate( intbuf[44], intbuf[45], &intbuf[46], &intbuf[47]); m_decimator4.myDecimate( intbuf[48], intbuf[49], &intbuf[50], &intbuf[51]); m_decimator4.myDecimate( intbuf[52], intbuf[53], &intbuf[54], &intbuf[55]); m_decimator4.myDecimate( intbuf[56], intbuf[57], &intbuf[58], &intbuf[59]); m_decimator4.myDecimate( intbuf[60], intbuf[61], &intbuf[62], &intbuf[63]); m_decimator8.myDecimate( intbuf[2], intbuf[3], &intbuf[6], &intbuf[7]); m_decimator8.myDecimate( intbuf[10], intbuf[11], &intbuf[14], &intbuf[15]); m_decimator8.myDecimate( intbuf[18], intbuf[19], &intbuf[22], &intbuf[23]); m_decimator8.myDecimate( intbuf[26], intbuf[27], &intbuf[30], &intbuf[31]); m_decimator8.myDecimate( intbuf[34], intbuf[35], &intbuf[38], &intbuf[39]); m_decimator8.myDecimate( intbuf[42], intbuf[43], &intbuf[46], &intbuf[47]); m_decimator8.myDecimate( intbuf[50], intbuf[51], &intbuf[54], &intbuf[55]); m_decimator8.myDecimate( intbuf[58], intbuf[59], &intbuf[62], &intbuf[63]); m_decimator16.myDecimate( intbuf[6], intbuf[7], &intbuf[14], &intbuf[15]); m_decimator16.myDecimate( intbuf[22], intbuf[23], &intbuf[30], &intbuf[31]); m_decimator16.myDecimate( intbuf[38], intbuf[39], &intbuf[46], &intbuf[47]); m_decimator16.myDecimate( intbuf[54], intbuf[55], &intbuf[62], &intbuf[63]); m_decimator32.myDecimate( intbuf[14], intbuf[15], &intbuf[30], &intbuf[31]); m_decimator32.myDecimate( intbuf[46], intbuf[47], &intbuf[62], &intbuf[63]); m_decimator64.myDecimate( intbuf[30], intbuf[31], &intbuf[62], &intbuf[63]); (**it).setReal(intbuf[62] >> decimation_shifts::post64); (**it).setImag(intbuf[63] >> decimation_shifts::post64); ++(*it); } } /* template void Decimators::decimate2_cen(SampleVector::iterator* it, const T* buf, qint32 len) { int pos = 0; while (pos < len - 1) { qint32 x0 = buf[pos+0] << decimation_shifts::pre2; qint32 y0 = buf[pos+1] << decimation_shifts::pre2; pos += 2; if (m_decimator2.workDecimateCenter(&x0, &y0)) { (**it).setReal(x0 >> decimation_shifts::post2); (**it).setImag(y0 >> decimation_shifts::post2); ++(*it); } } } template void Decimators::decimate4_cen(SampleVector::iterator* it, const T* buf, qint32 len) { int pos = 0; while (pos < len - 1) { qint32 x0 = buf[pos+0] << decimation_shifts::pre4; qint32 y0 = buf[pos+1] << decimation_shifts::pre4; pos += 2; if (m_decimator2.workDecimateCenter(&x0, &y0)) { qint32 x1 = x0; qint32 y1 = y0; if (m_decimator4.workDecimateCenter(&x1, &y1)) { (**it).setReal(x0 >> decimation_shifts::post4); (**it).setImag(y0 >> decimation_shifts::post4); ++(*it); } } } } template void Decimators::decimate8_cen(SampleVector::iterator* it, const T* buf, qint32 len) { int pos = 0; while (pos < len - 1) { qint32 x0 = buf[pos+0] << decimation_shifts::pre8; qint32 y0 = buf[pos+1] << decimation_shifts::pre8; pos += 2; if (m_decimator2.workDecimateCenter(&x0, &y0)) { qint32 x1 = x0; qint32 y1 = y0; if (m_decimator4.workDecimateCenter(&x1, &y1)) { qint32 x2 = x1; qint32 y2 = y1; if (m_decimator8.workDecimateCenter(&x2, &y2)) { (**it).setReal(x2 >> decimation_shifts::post8); (**it).setImag(y2 >> decimation_shifts::post8); ++(*it); } } } } } template void Decimators::decimate16_cen(SampleVector::iterator* it, const T* buf, qint32 len) { int pos = 0; while (pos < len - 1) { qint32 x0 = buf[pos+0] << decimation_shifts::pre16; qint32 y0 = buf[pos+1] << decimation_shifts::pre16; pos += 2; if (m_decimator2.workDecimateCenter(&x0, &y0)) { qint32 x1 = x0; qint32 y1 = y0; if (m_decimator4.workDecimateCenter(&x1, &y1)) { qint32 x2 = x1; qint32 y2 = y1; if (m_decimator8.workDecimateCenter(&x2, &y2)) { qint32 x3 = x2; qint32 y3 = y2; if (m_decimator16.workDecimateCenter(&x3, &y3)) { (**it).setReal(x3 >> decimation_shifts::post16); (**it).setImag(y3 >> decimation_shifts::post16); ++(*it); } } } } } } template void Decimators::decimate32_cen(SampleVector::iterator* it, const T* buf, qint32 len) { int pos = 0; while (pos < len - 1) { qint32 x0 = buf[pos+0] << decimation_shifts::pre32; qint32 y0 = buf[pos+1] << decimation_shifts::pre32; pos += 2; if (m_decimator2.workDecimateCenter(&x0, &y0)) { qint32 x1 = x0; qint32 y1 = y0; if (m_decimator4.workDecimateCenter(&x1, &y1)) { qint32 x2 = x1; qint32 y2 = y1; if (m_decimator8.workDecimateCenter(&x2, &y2)) { qint32 x3 = x2; qint32 y3 = y2; if (m_decimator16.workDecimateCenter(&x3, &y3)) { qint32 x4 = x3; qint32 y4 = y3; if (m_decimator32.workDecimateCenter(&x4, &y4)) { (**it).setReal(x4 >> decimation_shifts::post32); (**it).setImag(y4 >> decimation_shifts::post32); ++(*it); } } } } } } } template void Decimators::decimate64_cen(SampleVector::iterator* it, const T* buf, qint32 len) { int pos = 0; while (pos < len - 1) { qint32 x0 = buf[pos+0] << decimation_shifts::pre64; qint32 y0 = buf[pos+1] << decimation_shifts::pre64; pos += 2; if (m_decimator2.workDecimateCenter(&x0, &y0)) { qint32 x1 = x0; qint32 y1 = y0; if (m_decimator4.workDecimateCenter(&x1, &y1)) { qint32 x2 = x1; qint32 y2 = y1; if (m_decimator8.workDecimateCenter(&x2, &y2)) { qint32 x3 = x2; qint32 y3 = y2; if (m_decimator16.workDecimateCenter(&x3, &y3)) { qint32 x4 = x3; qint32 y4 = y3; if (m_decimator32.workDecimateCenter(&x4, &y4)) { qint32 x5 = x4; qint32 y5 = y4; if (m_decimator64.workDecimateCenter(&x5, &y5)) { (**it).setReal(x5 >> decimation_shifts::post64); (**it).setImag(y5 >> decimation_shifts::post64); ++(*it); } } } } } } } } */ #endif /* INCLUDE_GPL_DSP_DECIMATORS_H_ */