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Benchmarking: added float->float decimators and corresponding benchmark test
This commit is contained in:
parent
b03e9c59cb
commit
17ea5f29b3
@ -315,6 +315,7 @@ target_link_libraries(sdrangelbench
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${QT_LIBRARIES}
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)
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target_compile_features(sdrangelbench PRIVATE cxx_generalized_initializers) # cmake >= 3.1.0
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qt5_use_modules(sdrangelbench Multimedia)
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##############################################################################
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@ -21,6 +21,7 @@ set(sdrbase_SOURCES
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dsp/ctcssdetector.cpp
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dsp/cwkeyer.cpp
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dsp/cwkeyersettings.cpp
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dsp/decimatorsff.cpp
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dsp/decimatorsfi.cpp
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dsp/dspcommands.cpp
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dsp/dspengine.cpp
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@ -104,6 +105,7 @@ set(sdrbase_HEADERS
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dsp/cwkeyer.h
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dsp/cwkeyersettings.h
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dsp/decimators.h
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dsp/decimatorsff.h
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dsp/decimatorsfi.h
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dsp/decimatorsu.h
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dsp/interpolators.h
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@ -125,7 +127,8 @@ set(sdrbase_HEADERS
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dsp/hbfiltertraits.h
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dsp/inthalfbandfilter.h
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dsp/inthalfbandfilterdb.h
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dsp/inthalfbandfilterdbf.h
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dsp/inthalfbandfilterdbff.h
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dsp/inthalfbandfilterdbfi.h
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dsp/inthalfbandfiltereo1.h
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dsp/inthalfbandfiltereo1i.h
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dsp/inthalfbandfilterst.h
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1173
sdrbase/dsp/decimatorsff.cpp
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1173
sdrbase/dsp/decimatorsff.cpp
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File diff suppressed because it is too large
Load Diff
59
sdrbase/dsp/decimatorsff.h
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59
sdrbase/dsp/decimatorsff.h
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@ -0,0 +1,59 @@
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///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2018 Edouard Griffiths, F4EXB //
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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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// //
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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_DECIMATORSFF_H_
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#define SDRBASE_DSP_DECIMATORSFF_H_
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#include "dsp/inthalfbandfilterdbff.h"
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#include "export.h"
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#define DECIMATORSFF_HB_FILTER_ORDER 64
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/** Decimators with float input and float output */
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class SDRBASE_API DecimatorsFF
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{
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public:
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void decimate1(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate2_inf(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate2_sup(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate2_cen(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate4_inf(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate4_sup(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate4_cen(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate8_inf(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate8_sup(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate8_cen(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate16_inf(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate16_sup(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate16_cen(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate32_inf(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate32_sup(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate32_cen(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate64_inf(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate64_sup(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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void decimate64_cen(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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IntHalfbandFilterDBFF<double, float, DECIMATORSFF_HB_FILTER_ORDER> m_decimator2; // 1st stages
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IntHalfbandFilterDBFF<double, float, DECIMATORSFF_HB_FILTER_ORDER> m_decimator4; // 2nd stages
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IntHalfbandFilterDBFF<double, float, DECIMATORSFF_HB_FILTER_ORDER> m_decimator8; // 3rd stages
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IntHalfbandFilterDBFF<double, float, DECIMATORSFF_HB_FILTER_ORDER> m_decimator16; // 4th stages
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IntHalfbandFilterDBFF<double, float, DECIMATORSFF_HB_FILTER_ORDER> m_decimator32; // 5th stages
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IntHalfbandFilterDBFF<double, float, DECIMATORSFF_HB_FILTER_ORDER> m_decimator64; // 6th stages
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};
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#endif /* SDRBASE_DSP_DECIMATORSFF_H_ */
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@ -17,10 +17,10 @@
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#ifndef SDRBASE_DSP_DECIMATORSFI_H_
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#define SDRBASE_DSP_DECIMATORSFI_H_
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#include "dsp/inthalfbandfilterdbf.h"
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#include "dsp/inthalfbandfilterdbfi.h"
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#include "export.h"
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#define DECIMATORSF_HB_FILTER_ORDER 64
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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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class SDRBASE_API DecimatorsFI
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@ -46,12 +46,12 @@ public:
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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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IntHalfbandFilterDBF<double, float, DECIMATORSF_HB_FILTER_ORDER> m_decimator2; // 1st stages
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IntHalfbandFilterDBF<double, float, DECIMATORSF_HB_FILTER_ORDER> m_decimator4; // 2nd stages
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IntHalfbandFilterDBF<double, float, DECIMATORSF_HB_FILTER_ORDER> m_decimator8; // 3rd stages
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IntHalfbandFilterDBF<double, float, DECIMATORSF_HB_FILTER_ORDER> m_decimator16; // 4th stages
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IntHalfbandFilterDBF<double, float, DECIMATORSF_HB_FILTER_ORDER> m_decimator32; // 5th stages
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IntHalfbandFilterDBF<double, float, DECIMATORSF_HB_FILTER_ORDER> m_decimator64; // 6th stages
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IntHalfbandFilterDBFI<double, float, DECIMATORSFI_HB_FILTER_ORDER> m_decimator2; // 1st stages
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IntHalfbandFilterDBFI<double, float, DECIMATORSFI_HB_FILTER_ORDER> m_decimator4; // 2nd stages
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IntHalfbandFilterDBFI<double, float, DECIMATORSFI_HB_FILTER_ORDER> m_decimator8; // 3rd stages
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IntHalfbandFilterDBFI<double, float, DECIMATORSFI_HB_FILTER_ORDER> m_decimator16; // 4th stages
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IntHalfbandFilterDBFI<double, float, DECIMATORSFI_HB_FILTER_ORDER> m_decimator32; // 5th stages
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IntHalfbandFilterDBFI<double, float, DECIMATORSFI_HB_FILTER_ORDER> m_decimator64; // 6th stages
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};
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@ -64,6 +64,28 @@ struct Sample
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FixReal m_imag;
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};
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struct FSample
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{
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FSample() : m_real(0), m_imag(0) {}
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FSample(Real real) : m_real(real), m_imag(0) {}
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FSample(Real real, Real imag) : m_real(real), m_imag(imag) {}
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FSample(const FSample& other) : m_real(other.m_real), m_imag(other.m_imag) {}
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inline FSample& operator=(const FSample& other) { m_real = other.m_real; m_imag = other.m_imag; return *this; }
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inline FSample& operator+=(const FSample& other) { m_real += other.m_real; m_imag += other.m_imag; return *this; }
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inline FSample& operator-=(const FSample& other) { m_real -= other.m_real; m_imag -= other.m_imag; return *this; }
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inline FSample& operator/=(const Real& divisor) { m_real /= divisor; m_imag /= divisor; return *this; }
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inline void setReal(Real v) { m_real = v; }
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inline void setImag(Real v) { m_imag = v; }
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inline Real real() const { return m_real; }
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inline Real imag() const { return m_imag; }
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Real m_real;
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Real m_imag;
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};
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struct AudioSample {
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qint16 l;
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qint16 r;
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@ -71,6 +93,7 @@ struct AudioSample {
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#pragma pack(pop)
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typedef std::vector<Sample> SampleVector;
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typedef std::vector<FSample> FSampleVector;
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typedef std::vector<AudioSample> AudioVector;
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#endif // INCLUDE_DSPTYPES_H
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711
sdrbase/dsp/inthalfbandfilterdbff.h
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711
sdrbase/dsp/inthalfbandfilterdbff.h
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///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2018 F4EXB //
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// written by Edouard Griffiths //
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// //
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// Float half-band FIR based interpolator and decimator //
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// This is the double buffer variant //
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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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// //
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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 INCLUDE_INTHALFBANDFILTER_DBFF_H
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#define INCLUDE_INTHALFBANDFILTER_DBFF_H
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#include <stdint.h>
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#include "dsp/dsptypes.h"
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#include "dsp/hbfiltertraits.h"
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#include "export.h"
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template<typename AccuType, typename SampleType, uint32_t HBFilterOrder>
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class SDRBASE_API IntHalfbandFilterDBFF {
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public:
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IntHalfbandFilterDBFF();
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// downsample by 2, return center part of original spectrum
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bool workDecimateCenter(FSample* sample)
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{
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// insert sample into ring-buffer
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storeSampleReal((Real) sample->real(), (Real) sample->imag());
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switch(m_state)
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{
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case 0:
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// advance write-pointer
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advancePointer();
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// next state
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m_state = 1;
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// tell caller we don't have a new sample
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return false;
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default:
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// save result
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doFIR(sample);
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// advance write-pointer
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advancePointer();
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// next state
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m_state = 0;
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// tell caller we have a new sample
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return true;
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}
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}
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// upsample by 2, return center part of original spectrum - double buffer variant
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bool workInterpolateCenterZeroStuffing(FSample* sampleIn, FSample *SampleOut)
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{
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switch(m_state)
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{
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case 0:
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// insert sample into ring-buffer
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storeSampleReal((Real) 0, (Real) 0);
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// save result
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doFIR(SampleOut);
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// advance write-pointer
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advancePointer();
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// next state
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m_state = 1;
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// tell caller we didn't consume the sample
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return false;
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default:
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// insert sample into ring-buffer
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storeSampleReal((Real) sampleIn->real(), (Real) sampleIn->imag());
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// save result
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doFIR(SampleOut);
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// advance write-pointer
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advancePointer();
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// next state
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m_state = 0;
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// tell caller we consumed the sample
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return true;
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}
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}
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/** Optimized upsampler by 2 not calculating FIR with inserted null samples */
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bool workInterpolateCenter(FSample* sampleIn, FSample *SampleOut)
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{
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switch(m_state)
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{
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case 0:
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// return the middle peak
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SampleOut->setReal(m_samplesDB[m_ptr + (HBFIRFilterTraits<HBFilterOrder>::hbOrder/4) - 1][0]);
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SampleOut->setImag(m_samplesDB[m_ptr + (HBFIRFilterTraits<HBFilterOrder>::hbOrder/4) - 1][1]);
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m_state = 1; // next state
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return false; // tell caller we didn't consume the sample
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default:
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// calculate with non null samples
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doInterpolateFIR(SampleOut);
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// insert sample into ring double buffer
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m_samplesDB[m_ptr][0] = sampleIn->real();
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m_samplesDB[m_ptr][1] = sampleIn->imag();
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m_samplesDB[m_ptr + HBFIRFilterTraits<HBFilterOrder>::hbOrder/2][0] = sampleIn->real();
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m_samplesDB[m_ptr + HBFIRFilterTraits<HBFilterOrder>::hbOrder/2][1] = sampleIn->imag();
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// advance pointer
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if (m_ptr < (HBFIRFilterTraits<HBFilterOrder>::hbOrder/2) - 1) {
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m_ptr++;
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} else {
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m_ptr = 0;
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}
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m_state = 0; // next state
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return true; // tell caller we consumed the sample
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}
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}
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// downsample by 2, return lower half of original spectrum
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bool workDecimateLowerHalf(FSample* sample)
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{
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switch(m_state)
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{
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case 0:
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// insert sample into ring-buffer
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storeSampleReal((Real) -sample->imag(), (Real) sample->real());
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// advance write-pointer
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advancePointer();
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// next state
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m_state = 1;
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// tell caller we don't have a new sample
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return false;
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case 1:
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// insert sample into ring-buffer
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storeSampleReal((Real) -sample->real(), (Real) -sample->imag());
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// save result
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doFIR(sample);
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// advance write-pointer
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advancePointer();
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// next state
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m_state = 2;
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// tell caller we have a new sample
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return true;
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case 2:
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// insert sample into ring-buffer
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storeSampleReal((Real) sample->imag(), (Real) -sample->real());
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// advance write-pointer
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advancePointer();
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// next state
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m_state = 3;
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// tell caller we don't have a new sample
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return false;
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default:
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// insert sample into ring-buffer
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storeSampleReal((Real) sample->real(), (Real) sample->imag());
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// save result
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doFIR(sample);
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// advance write-pointer
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advancePointer();
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// next state
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m_state = 0;
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// tell caller we have a new sample
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return true;
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}
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}
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/** Optimized upsampler by 2 not calculating FIR with inserted null samples */
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bool workInterpolateLowerHalf(FSample* sampleIn, FSample *sampleOut)
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{
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FSample s;
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switch(m_state)
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{
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case 0:
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// return the middle peak
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sampleOut->setReal(m_samplesDB[m_ptr + (HBFIRFilterTraits<HBFilterOrder>::hbOrder/4) - 1][1]); // imag
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sampleOut->setImag(-m_samplesDB[m_ptr + (HBFIRFilterTraits<HBFilterOrder>::hbOrder/4) - 1][0]); // - real
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m_state = 1; // next state
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return false; // tell caller we didn't consume the sample
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case 1:
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// calculate with non null samples
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doInterpolateFIR(&s);
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sampleOut->setReal(-s.real());
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sampleOut->setImag(-s.imag());
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// insert sample into ring double buffer
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m_samplesDB[m_ptr][0] = sampleIn->real();
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m_samplesDB[m_ptr][1] = sampleIn->imag();
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m_samplesDB[m_ptr + HBFIRFilterTraits<HBFilterOrder>::hbOrder/2][0] = sampleIn->real();
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m_samplesDB[m_ptr + HBFIRFilterTraits<HBFilterOrder>::hbOrder/2][1] = sampleIn->imag();
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// advance pointer
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if (m_ptr < (HBFIRFilterTraits<HBFilterOrder>::hbOrder/2) - 1) {
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m_ptr++;
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} else {
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m_ptr = 0;
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}
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m_state = 2; // next state
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return true; // tell caller we consumed the sample
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case 2:
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// return the middle peak
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sampleOut->setReal(-m_samplesDB[m_ptr + (HBFIRFilterTraits<HBFilterOrder>::hbOrder/4) - 1][1]); // - imag
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sampleOut->setImag(m_samplesDB[m_ptr + (HBFIRFilterTraits<HBFilterOrder>::hbOrder/4) - 1][0]); // real
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m_state = 3; // next state
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return false; // tell caller we didn't consume the sample
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default:
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// calculate with non null samples
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doInterpolateFIR(&s);
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sampleOut->setReal(s.real());
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sampleOut->setImag(s.imag());
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// insert sample into ring double buffer
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m_samplesDB[m_ptr][0] = sampleIn->real();
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m_samplesDB[m_ptr][1] = sampleIn->imag();
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m_samplesDB[m_ptr + HBFIRFilterTraits<HBFilterOrder>::hbOrder/2][0] = sampleIn->real();
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m_samplesDB[m_ptr + HBFIRFilterTraits<HBFilterOrder>::hbOrder/2][1] = sampleIn->imag();
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// advance pointer
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if (m_ptr < (HBFIRFilterTraits<HBFilterOrder>::hbOrder/2) - 1) {
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m_ptr++;
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} else {
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m_ptr = 0;
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}
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m_state = 0; // next state
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return true; // tell caller we consumed the sample
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}
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}
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// upsample by 2, from lower half of original spectrum - double buffer variant
|
||||
bool workInterpolateLowerHalfZeroStuffing(FSample* sampleIn, FSample *sampleOut)
|
||||
{
|
||||
FSample s;
|
||||
|
||||
switch(m_state)
|
||||
{
|
||||
case 0:
|
||||
// insert sample into ring-buffer
|
||||
storeSampleReal((Real) 0, (Real) 0);
|
||||
|
||||
// save result
|
||||
doFIR(&s);
|
||||
sampleOut->setReal(s.imag());
|
||||
sampleOut->setImag(-s.real());
|
||||
|
||||
// advance write-pointer
|
||||
advancePointer();
|
||||
|
||||
// next state
|
||||
m_state = 1;
|
||||
|
||||
// tell caller we didn't consume the sample
|
||||
return false;
|
||||
|
||||
case 1:
|
||||
// insert sample into ring-buffer
|
||||
storeSampleReal((Real) sampleIn->real(), (Real) sampleIn->imag());
|
||||
|
||||
// save result
|
||||
doFIR(&s);
|
||||
sampleOut->setReal(-s.real());
|
||||
sampleOut->setImag(-s.imag());
|
||||
|
||||
// advance write-pointer
|
||||
advancePointer();
|
||||
|
||||
// next state
|
||||
m_state = 2;
|
||||
|
||||
// tell caller we consumed the sample
|
||||
return true;
|
||||
|
||||
case 2:
|
||||
// insert sample into ring-buffer
|
||||
storeSampleReal((Real) 0, (Real) 0);
|
||||
|
||||
// save result
|
||||
doFIR(&s);
|
||||
sampleOut->setReal(-s.imag());
|
||||
sampleOut->setImag(s.real());
|
||||
|
||||
// advance write-pointer
|
||||
advancePointer();
|
||||
|
||||
// next state
|
||||
m_state = 3;
|
||||
|
||||
// tell caller we didn't consume the sample
|
||||
return false;
|
||||
|
||||
default:
|
||||
// insert sample into ring-buffer
|
||||
storeSampleReal((Real) sampleIn->real(), (Real) sampleIn->imag());
|
||||
|
||||
// save result
|
||||
doFIR(&s);
|
||||
sampleOut->setReal(s.real());
|
||||
sampleOut->setImag(s.imag());
|
||||
|
||||
// advance write-pointer
|
||||
advancePointer();
|
||||
|
||||
// next state
|
||||
m_state = 0;
|
||||
|
||||
// tell caller we consumed the sample
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
// downsample by 2, return upper half of original spectrum
|
||||
bool workDecimateUpperHalf(FSample* sample)
|
||||
{
|
||||
switch(m_state)
|
||||
{
|
||||
case 0:
|
||||
// insert sample into ring-buffer
|
||||
storeSampleReal((Real) sample->imag(), (Real) -sample->real());
|
||||
// advance write-pointer
|
||||
advancePointer();
|
||||
// next state
|
||||
m_state = 1;
|
||||
// tell caller we don't have a new sample
|
||||
return false;
|
||||
|
||||
case 1:
|
||||
// insert sample into ring-buffer
|
||||
storeSampleReal((Real) -sample->real(), (Real) -sample->imag());
|
||||
// save result
|
||||
doFIR(sample);
|
||||
// advance write-pointer
|
||||
advancePointer();
|
||||
// next state
|
||||
m_state = 2;
|
||||
// tell caller we have a new sample
|
||||
return true;
|
||||
|
||||
case 2:
|
||||
// insert sample into ring-buffer
|
||||
storeSampleReal((Real) -sample->imag(), (Real) sample->real());
|
||||
// advance write-pointer
|
||||
advancePointer();
|
||||
// next state
|
||||
m_state = 3;
|
||||
// tell caller we don't have a new sample
|
||||
return false;
|
||||
|
||||
default:
|
||||
// insert sample into ring-buffer
|
||||
storeSampleReal((Real) sample->real(), (Real) sample->imag());
|
||||
// save result
|
||||
doFIR(sample);
|
||||
// advance write-pointer
|
||||
advancePointer();
|
||||
// next state
|
||||
m_state = 0;
|
||||
// tell caller we have a new sample
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
/** Optimized upsampler by 2 not calculating FIR with inserted null samples */
|
||||
bool workInterpolateUpperHalf(FSample* sampleIn, FSample *sampleOut)
|
||||
{
|
||||
FSample s;
|
||||
|
||||
switch(m_state)
|
||||
{
|
||||
case 0:
|
||||
// return the middle peak
|
||||
sampleOut->setReal(-m_samplesDB[m_ptr + (HBFIRFilterTraits<HBFilterOrder>::hbOrder/4) - 1][1]); // - imag
|
||||
sampleOut->setImag(m_samplesDB[m_ptr + (HBFIRFilterTraits<HBFilterOrder>::hbOrder/4) - 1][0]); // + real
|
||||
m_state = 1; // next state
|
||||
return false; // tell caller we didn't consume the sample
|
||||
|
||||
case 1:
|
||||
// calculate with non null samples
|
||||
doInterpolateFIR(&s);
|
||||
sampleOut->setReal(-s.real());
|
||||
sampleOut->setImag(-s.imag());
|
||||
|
||||
// insert sample into ring double buffer
|
||||
m_samplesDB[m_ptr][0] = sampleIn->real();
|
||||
m_samplesDB[m_ptr][1] = sampleIn->imag();
|
||||
m_samplesDB[m_ptr + HBFIRFilterTraits<HBFilterOrder>::hbOrder/2][0] = sampleIn->real();
|
||||
m_samplesDB[m_ptr + HBFIRFilterTraits<HBFilterOrder>::hbOrder/2][1] = sampleIn->imag();
|
||||
|
||||
// advance pointer
|
||||
if (m_ptr < (HBFIRFilterTraits<HBFilterOrder>::hbOrder/2) - 1) {
|
||||
m_ptr++;
|
||||
} else {
|
||||
m_ptr = 0;
|
||||
}
|
||||
|
||||
m_state = 2; // next state
|
||||
return true; // tell caller we consumed the sample
|
||||
|
||||
case 2:
|
||||
// return the middle peak
|
||||
sampleOut->setReal(m_samplesDB[m_ptr + (HBFIRFilterTraits<HBFilterOrder>::hbOrder/4) - 1][1]); // + imag
|
||||
sampleOut->setImag(-m_samplesDB[m_ptr + (HBFIRFilterTraits<HBFilterOrder>::hbOrder/4) - 1][0]); // - real
|
||||
m_state = 3; // next state
|
||||
return false; // tell caller we didn't consume the sample
|
||||
|
||||
default:
|
||||
// calculate with non null samples
|
||||
doInterpolateFIR(&s);
|
||||
sampleOut->setReal(s.real());
|
||||
sampleOut->setImag(s.imag());
|
||||
|
||||
// insert sample into ring double buffer
|
||||
m_samplesDB[m_ptr][0] = sampleIn->real();
|
||||
m_samplesDB[m_ptr][1] = sampleIn->imag();
|
||||
m_samplesDB[m_ptr + HBFIRFilterTraits<HBFilterOrder>::hbOrder/2][0] = sampleIn->real();
|
||||
m_samplesDB[m_ptr + HBFIRFilterTraits<HBFilterOrder>::hbOrder/2][1] = sampleIn->imag();
|
||||
|
||||
// advance pointer
|
||||
if (m_ptr < (HBFIRFilterTraits<HBFilterOrder>::hbOrder/2) - 1) {
|
||||
m_ptr++;
|
||||
} else {
|
||||
m_ptr = 0;
|
||||
}
|
||||
|
||||
m_state = 0; // next state
|
||||
return true; // tell caller we consumed the sample
|
||||
}
|
||||
}
|
||||
|
||||
// upsample by 2, move original spectrum to upper half - double buffer variant
|
||||
bool workInterpolateUpperHalfZeroStuffing(FSample* sampleIn, FSample *sampleOut)
|
||||
{
|
||||
FSample s;
|
||||
|
||||
switch(m_state)
|
||||
{
|
||||
case 0:
|
||||
// insert sample into ring-buffer
|
||||
storeSampleReal((Real) 0, (Real) 0);
|
||||
|
||||
// save result
|
||||
doFIR(&s);
|
||||
sampleOut->setReal(-s.imag());
|
||||
sampleOut->setImag(s.real());
|
||||
|
||||
// advance write-pointer
|
||||
advancePointer();
|
||||
|
||||
// next state
|
||||
m_state = 1;
|
||||
|
||||
// tell caller we didn't consume the sample
|
||||
return false;
|
||||
|
||||
case 1:
|
||||
// insert sample into ring-buffer
|
||||
storeSampleReal((Real) sampleIn->real(), (Real) sampleIn->imag());
|
||||
|
||||
// save result
|
||||
doFIR(&s);
|
||||
sampleOut->setReal(-s.real());
|
||||
sampleOut->setImag(-s.imag());
|
||||
|
||||
// advance write-pointer
|
||||
advancePointer();
|
||||
|
||||
// next state
|
||||
m_state = 2;
|
||||
|
||||
// tell caller we consumed the sample
|
||||
return true;
|
||||
|
||||
case 2:
|
||||
// insert sample into ring-buffer
|
||||
storeSampleReal((Real) 0, (Real) 0);
|
||||
|
||||
// save result
|
||||
doFIR(&s);
|
||||
sampleOut->setReal(s.imag());
|
||||
sampleOut->setImag(-s.real());
|
||||
|
||||
// advance write-pointer
|
||||
advancePointer();
|
||||
|
||||
// next state
|
||||
m_state = 3;
|
||||
|
||||
// tell caller we didn't consume the sample
|
||||
return false;
|
||||
|
||||
default:
|
||||
// insert sample into ring-buffer
|
||||
storeSampleReal((Real) sampleIn->real(), (Real) sampleIn->imag());
|
||||
|
||||
// save result
|
||||
doFIR(&s);
|
||||
sampleOut->setReal(s.real());
|
||||
sampleOut->setImag(s.imag());
|
||||
|
||||
// advance write-pointer
|
||||
advancePointer();
|
||||
|
||||
// next state
|
||||
m_state = 0;
|
||||
|
||||
// tell caller we consumed the sample
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
void myDecimate(const FSample* sample1, FSample* sample2)
|
||||
{
|
||||
storeSampleReal((Real) sample1->real(), (Real) sample1->imag());
|
||||
advancePointer();
|
||||
|
||||
storeSampleReal((Real) sample2->real(), (Real) sample2->imag());
|
||||
doFIR(sample2);
|
||||
advancePointer();
|
||||
}
|
||||
|
||||
void myDecimate(AccuType x1, AccuType y1, AccuType *x2, AccuType *y2)
|
||||
{
|
||||
storeSampleAccu(x1, y1);
|
||||
advancePointer();
|
||||
|
||||
storeSampleAccu(*x2, *y2);
|
||||
doFIRAccu(x2, y2);
|
||||
advancePointer();
|
||||
}
|
||||
|
||||
/** Simple zero stuffing and filter */
|
||||
void myInterpolateZeroStuffing(FSample* sample1, FSample* sample2)
|
||||
{
|
||||
storeSampleReal((Real) sample1->real(), (Real) sample1->imag());
|
||||
doFIR(sample1);
|
||||
advancePointer();
|
||||
|
||||
storeSampleReal((Real) 0, (Real) 0);
|
||||
doFIR(sample2);
|
||||
advancePointer();
|
||||
}
|
||||
|
||||
/** Optimized upsampler by 2 not calculating FIR with inserted null samples */
|
||||
void myInterpolate(qint32 *x1, qint32 *y1, qint32 *x2, qint32 *y2)
|
||||
{
|
||||
// insert sample into ring double buffer
|
||||
m_samplesDB[m_ptr][0] = *x1;
|
||||
m_samplesDB[m_ptr][1] = *y1;
|
||||
m_samplesDB[m_ptr + HBFIRFilterTraits<HBFilterOrder>::hbOrder/2][0] = *x1;
|
||||
m_samplesDB[m_ptr + HBFIRFilterTraits<HBFilterOrder>::hbOrder/2][1] = *y1;
|
||||
|
||||
// advance pointer
|
||||
if (m_ptr < (HBFIRFilterTraits<HBFilterOrder>::hbOrder/2) - 1) {
|
||||
m_ptr++;
|
||||
} else {
|
||||
m_ptr = 0;
|
||||
}
|
||||
|
||||
// first output sample calculated with the middle peak
|
||||
*x1 = m_samplesDB[m_ptr + (HBFIRFilterTraits<HBFilterOrder>::hbOrder/4) - 1][0];
|
||||
*y1 = m_samplesDB[m_ptr + (HBFIRFilterTraits<HBFilterOrder>::hbOrder/4) - 1][1];
|
||||
|
||||
// second sample calculated with the filter
|
||||
doInterpolateFIR(x2, y2);
|
||||
}
|
||||
|
||||
protected:
|
||||
SampleType m_samplesDB[2*(HBFIRFilterTraits<HBFilterOrder>::hbOrder - 1)][2]; // double buffer technique
|
||||
int m_ptr;
|
||||
int m_size;
|
||||
int m_state;
|
||||
|
||||
void storeSampleReal(const Real& sampleI, const Real& sampleQ)
|
||||
{
|
||||
m_samplesDB[m_ptr][0] = sampleI;
|
||||
m_samplesDB[m_ptr][1] = sampleQ;
|
||||
m_samplesDB[m_ptr + m_size][0] = sampleI;
|
||||
m_samplesDB[m_ptr + m_size][1] = sampleQ;
|
||||
}
|
||||
|
||||
void storeSampleAccu(AccuType x, AccuType y)
|
||||
{
|
||||
m_samplesDB[m_ptr][0] = x;
|
||||
m_samplesDB[m_ptr][1] = y;
|
||||
m_samplesDB[m_ptr + m_size][0] = x;
|
||||
m_samplesDB[m_ptr + m_size][1] = y;
|
||||
}
|
||||
|
||||
void advancePointer()
|
||||
{
|
||||
m_ptr = m_ptr + 1 < m_size ? m_ptr + 1: 0;
|
||||
}
|
||||
|
||||
void doFIR(FSample* sample)
|
||||
{
|
||||
int a = m_ptr + m_size; // tip pointer
|
||||
int b = m_ptr + 1; // tail pointer
|
||||
AccuType iAcc = 0;
|
||||
AccuType qAcc = 0;
|
||||
|
||||
for (int i = 0; i < HBFIRFilterTraits<HBFilterOrder>::hbOrder / 4; i++)
|
||||
{
|
||||
iAcc += (m_samplesDB[a][0] + m_samplesDB[b][0]) * HBFIRFilterTraits<HBFilterOrder>::hbCoeffsF[i];
|
||||
qAcc += (m_samplesDB[a][1] + m_samplesDB[b][1]) * HBFIRFilterTraits<HBFilterOrder>::hbCoeffsF[i];
|
||||
a -= 2;
|
||||
b += 2;
|
||||
}
|
||||
|
||||
iAcc += m_samplesDB[b-1][0] << (HBFIRFilterTraits<HBFilterOrder>::hbShift - 1);
|
||||
qAcc += m_samplesDB[b-1][1] << (HBFIRFilterTraits<HBFilterOrder>::hbShift - 1);
|
||||
|
||||
sample->setReal(iAcc);
|
||||
sample->setImag(qAcc);
|
||||
}
|
||||
|
||||
void doFIRAccu(AccuType *x, AccuType *y)
|
||||
{
|
||||
int a = m_ptr + m_size; // tip pointer
|
||||
int b = m_ptr + 1; // tail pointer
|
||||
AccuType iAcc = 0;
|
||||
AccuType qAcc = 0;
|
||||
|
||||
for (int i = 0; i < HBFIRFilterTraits<HBFilterOrder>::hbOrder / 4; i++)
|
||||
{
|
||||
iAcc += (m_samplesDB[a][0] + m_samplesDB[b][0]) * HBFIRFilterTraits<HBFilterOrder>::hbCoeffsF[i];
|
||||
qAcc += (m_samplesDB[a][1] + m_samplesDB[b][1]) * HBFIRFilterTraits<HBFilterOrder>::hbCoeffsF[i];
|
||||
a -= 2;
|
||||
b += 2;
|
||||
}
|
||||
|
||||
iAcc += m_samplesDB[b-1][0] / 2.0;
|
||||
qAcc += m_samplesDB[b-1][1] / 2.0;
|
||||
|
||||
*x = iAcc; // HB_SHIFT incorrect do not loose the gained bit
|
||||
*y = qAcc;
|
||||
}
|
||||
|
||||
void doInterpolateFIR(FSample* sample)
|
||||
{
|
||||
qint16 a = m_ptr;
|
||||
qint16 b = m_ptr + (HBFIRFilterTraits<HBFilterOrder>::hbOrder / 2) - 1;
|
||||
|
||||
// go through samples in buffer
|
||||
AccuType iAcc = 0;
|
||||
AccuType qAcc = 0;
|
||||
|
||||
for (int i = 0; i < HBFIRFilterTraits<HBFilterOrder>::hbOrder / 4; i++)
|
||||
{
|
||||
iAcc += (m_samplesDB[a][0] + m_samplesDB[b][0]) * HBFIRFilterTraits<HBFilterOrder>::hbCoeffsF[i];
|
||||
qAcc += (m_samplesDB[a][1] + m_samplesDB[b][1]) * HBFIRFilterTraits<HBFilterOrder>::hbCoeffsF[i];
|
||||
a++;
|
||||
b--;
|
||||
}
|
||||
|
||||
sample->setReal(iAcc);
|
||||
sample->setImag(qAcc);
|
||||
}
|
||||
|
||||
void doInterpolateFIR(Real *x, Real *y)
|
||||
{
|
||||
qint16 a = m_ptr;
|
||||
qint16 b = m_ptr + (HBFIRFilterTraits<HBFilterOrder>::hbOrder / 2) - 1;
|
||||
|
||||
// go through samples in buffer
|
||||
AccuType iAcc = 0;
|
||||
AccuType qAcc = 0;
|
||||
|
||||
for (int i = 0; i < HBFIRFilterTraits<HBFilterOrder>::hbOrder / 4; i++)
|
||||
{
|
||||
iAcc += (m_samplesDB[a][0] + m_samplesDB[b][0]) * HBFIRFilterTraits<HBFilterOrder>::hbCoeffsF[i];
|
||||
qAcc += (m_samplesDB[a][1] + m_samplesDB[b][1]) * HBFIRFilterTraits<HBFilterOrder>::hbCoeffsF[i];
|
||||
a++;
|
||||
b--;
|
||||
}
|
||||
|
||||
*x = iAcc;
|
||||
*y = qAcc;
|
||||
}
|
||||
};
|
||||
|
||||
template<typename AccuType, typename SampleType, uint32_t HBFilterOrder>
|
||||
IntHalfbandFilterDBFF<AccuType, SampleType, HBFilterOrder>::IntHalfbandFilterDBFF()
|
||||
{
|
||||
m_size = HBFIRFilterTraits<HBFilterOrder>::hbOrder - 1;
|
||||
|
||||
for (int i = 0; i < m_size; i++)
|
||||
{
|
||||
m_samplesDB[i][0] = 0;
|
||||
m_samplesDB[i][1] = 0;
|
||||
}
|
||||
|
||||
m_ptr = 0;
|
||||
m_state = 0;
|
||||
}
|
||||
|
||||
#endif // INCLUDE_INTHALFBANDFILTER_DBFF_H
|
@ -18,8 +18,8 @@
|
||||
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
|
||||
///////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#ifndef INCLUDE_INTHALFBANDFILTER_DBF_H
|
||||
#define INCLUDE_INTHALFBANDFILTER_DBF_H
|
||||
#ifndef INCLUDE_INTHALFBANDFILTER_DBFI_H
|
||||
#define INCLUDE_INTHALFBANDFILTER_DBFI_H
|
||||
|
||||
#include <stdint.h>
|
||||
#include "dsp/dsptypes.h"
|
||||
@ -27,9 +27,9 @@
|
||||
#include "export.h"
|
||||
|
||||
template<typename AccuType, typename SampleType, uint32_t HBFilterOrder>
|
||||
class SDRBASE_API IntHalfbandFilterDBF {
|
||||
class SDRBASE_API IntHalfbandFilterDBFI {
|
||||
public:
|
||||
IntHalfbandFilterDBF();
|
||||
IntHalfbandFilterDBFI();
|
||||
|
||||
// downsample by 2, return center part of original spectrum
|
||||
bool workDecimateCenter(Sample* sample)
|
||||
@ -694,7 +694,7 @@ protected:
|
||||
};
|
||||
|
||||
template<typename AccuType, typename SampleType, uint32_t HBFilterOrder>
|
||||
IntHalfbandFilterDBF<AccuType, SampleType, HBFilterOrder>::IntHalfbandFilterDBF()
|
||||
IntHalfbandFilterDBFI<AccuType, SampleType, HBFilterOrder>::IntHalfbandFilterDBFI()
|
||||
{
|
||||
m_size = HBFIRFilterTraits<HBFilterOrder>::hbOrder - 1;
|
||||
|
@ -26,7 +26,8 @@ MainBench *MainBench::m_instance = 0;
|
||||
MainBench::MainBench(qtwebapp::LoggerWithFile *logger, const ParserBench& parser, QObject *parent) :
|
||||
QObject(parent),
|
||||
m_logger(logger),
|
||||
m_parser(parser)
|
||||
m_parser(parser),
|
||||
m_uniform_distribution(-1.0, 1.0)
|
||||
{
|
||||
qDebug() << "MainBench::MainBench: start";
|
||||
m_instance = this;
|
||||
@ -49,6 +50,10 @@ void MainBench::run()
|
||||
testDecimateII();
|
||||
} else if (m_parser.getTestType() == ParserBench::TestDecimatorsFI) {
|
||||
testDecimateFI();
|
||||
} else if (m_parser.getTestType() == ParserBench::TestDecimatorsFF) {
|
||||
testDecimateFF();
|
||||
} else {
|
||||
qDebug() << "MainBench::run: unknown test type: " << m_parser.getTestType();
|
||||
}
|
||||
|
||||
emit finished();
|
||||
@ -73,13 +78,9 @@ void MainBench::testDecimateII()
|
||||
}
|
||||
|
||||
nsecs = timer.nsecsElapsed();
|
||||
QDebug debug = qDebug();
|
||||
debug.noquote();
|
||||
debug << tr("MainBench::testDecimateII: ran test in %L1 ns").arg(nsecs);
|
||||
|
||||
printResults("MainBench::testDecimateII", nsecs);
|
||||
|
||||
qDebug() << "MainBench::testDecimateII: cleanup test data";
|
||||
|
||||
delete[] buf;
|
||||
}
|
||||
|
||||
@ -92,6 +93,8 @@ void MainBench::testDecimateFI()
|
||||
|
||||
float *buf = new float[m_parser.getNbSamples()*2];
|
||||
m_convertBuffer.resize(m_parser.getNbSamples()/(1<<m_parser.getLog2Factor()));
|
||||
auto my_rand = std::bind(m_uniform_distribution, m_generator);
|
||||
std::generate(buf, buf + m_parser.getNbSamples()*2 - 1, my_rand); // make sure data is in [-1.0..1.0] range
|
||||
|
||||
qDebug() << "MainBench::testDecimateFI: run test";
|
||||
timer.start();
|
||||
@ -102,13 +105,36 @@ void MainBench::testDecimateFI()
|
||||
}
|
||||
|
||||
nsecs = timer.nsecsElapsed();
|
||||
QDebug debug = qDebug();
|
||||
debug.noquote();
|
||||
debug << tr("MainBench::testDecimateFI: ran test in %L1 ns").arg(nsecs);
|
||||
|
||||
printResults("MainBench::testDecimateFI", nsecs);
|
||||
|
||||
qDebug() << "MainBench::testDecimateFI: cleanup test data";
|
||||
delete[] buf;
|
||||
}
|
||||
|
||||
void MainBench::testDecimateFF()
|
||||
{
|
||||
QElapsedTimer timer;
|
||||
qint64 nsecs;
|
||||
|
||||
qDebug() << "MainBench::testDecimateFF: create test data";
|
||||
|
||||
float *buf = new float[m_parser.getNbSamples()*2];
|
||||
m_convertBufferF.resize(m_parser.getNbSamples()/(1<<m_parser.getLog2Factor()));
|
||||
auto my_rand = std::bind(m_uniform_distribution, m_generator);
|
||||
std::generate(buf, buf + m_parser.getNbSamples()*2 - 1, my_rand); // make sure data is in [-1.0..1.0] range
|
||||
|
||||
qDebug() << "MainBench::testDecimateFF: run test";
|
||||
timer.start();
|
||||
|
||||
for (uint32_t i = 0; i < m_parser.getRepetition(); i++)
|
||||
{
|
||||
decimateFF(buf, m_parser.getNbSamples()*2);
|
||||
}
|
||||
|
||||
nsecs = timer.nsecsElapsed();
|
||||
printResults("MainBench::testDecimateFF", nsecs);
|
||||
|
||||
qDebug() << "MainBench::testDecimateFF: cleanup test data";
|
||||
delete[] buf;
|
||||
}
|
||||
|
||||
@ -175,3 +201,43 @@ void MainBench::decimateFI(const float *buf, int len)
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void MainBench::decimateFF(const float *buf, int len)
|
||||
{
|
||||
FSampleVector::iterator it = m_convertBufferF.begin();
|
||||
|
||||
switch (m_parser.getLog2Factor())
|
||||
{
|
||||
case 0:
|
||||
m_decimatorsFF.decimate1(&it, buf, len);
|
||||
break;
|
||||
case 1:
|
||||
m_decimatorsFF.decimate2_cen(&it, buf, len);
|
||||
break;
|
||||
case 2:
|
||||
m_decimatorsFF.decimate4_cen(&it, buf, len);
|
||||
break;
|
||||
case 3:
|
||||
m_decimatorsFF.decimate8_cen(&it, buf, len);
|
||||
break;
|
||||
case 4:
|
||||
m_decimatorsFF.decimate16_cen(&it, buf, len);
|
||||
break;
|
||||
case 5:
|
||||
m_decimatorsFF.decimate32_cen(&it, buf, len);
|
||||
break;
|
||||
case 6:
|
||||
m_decimatorsFF.decimate64_cen(&it, buf, len);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void MainBench::printResults(const QString& prefix, qint64 nsecs)
|
||||
{
|
||||
double ratekSs = (m_parser.getNbSamples()*m_parser.getRepetition() / (double) nsecs) * 1e6;
|
||||
QDebug debug = qDebug();
|
||||
debug.noquote();
|
||||
debug << tr("%1: ran test in %L2 ns - sample rate: %3 kS/s").arg(prefix).arg(nsecs).arg(ratekSs);
|
||||
}
|
||||
|
@ -20,9 +20,12 @@
|
||||
#define SDRBENCH_MAINBENCH_H_
|
||||
|
||||
#include <QObject>
|
||||
#include <random>
|
||||
#include <functional>
|
||||
|
||||
#include "dsp/decimators.h"
|
||||
#include "dsp/decimatorsfi.h"
|
||||
#include "dsp/decimatorsff.h"
|
||||
#include "parserbench.h"
|
||||
|
||||
namespace qtwebapp {
|
||||
@ -45,12 +48,17 @@ signals:
|
||||
private:
|
||||
void testDecimateII();
|
||||
void testDecimateFI();
|
||||
void testDecimateFF();
|
||||
void decimateII(const qint16 *buf, int len);
|
||||
void decimateFI(const float *buf, int len);
|
||||
void decimateFF(const float *buf, int len);
|
||||
void printResults(const QString& prefix, qint64 nsecs);
|
||||
|
||||
static MainBench *m_instance;
|
||||
qtwebapp::LoggerWithFile *m_logger;
|
||||
const ParserBench& m_parser;
|
||||
std::mt19937 m_generator;
|
||||
std::uniform_real_distribution<float> m_uniform_distribution;
|
||||
|
||||
#ifdef SDR_RX_SAMPLE_24BIT
|
||||
Decimators<qint64, qint16, SDR_RX_SAMP_SZ, 12> m_decimatorsII;
|
||||
@ -58,8 +66,10 @@ private:
|
||||
Decimators<qint32, qint16, SDR_RX_SAMP_SZ, 12> m_decimatorsII;
|
||||
#endif
|
||||
DecimatorsFI m_decimatorsFI;
|
||||
DecimatorsFF m_decimatorsFF;
|
||||
|
||||
SampleVector m_convertBuffer;
|
||||
FSampleVector m_convertBufferF;
|
||||
};
|
||||
|
||||
#endif // SDRBENCH_MAINBENCH_H_
|
||||
|
@ -116,6 +116,8 @@ ParserBench::TestType ParserBench::getTestType() const
|
||||
{
|
||||
if (m_testStr == "decimatefi") {
|
||||
return TestDecimatorsFI;
|
||||
} else if (m_testStr == "decimateff") {
|
||||
return TestDecimatorsFF;
|
||||
} else {
|
||||
return TestDecimatorsII;
|
||||
}
|
||||
|
@ -27,7 +27,8 @@ public:
|
||||
typedef enum
|
||||
{
|
||||
TestDecimatorsII,
|
||||
TestDecimatorsFI
|
||||
TestDecimatorsFI,
|
||||
TestDecimatorsFF
|
||||
} TestType;
|
||||
|
||||
ParserBench();
|
||||
|
Loading…
Reference in New Issue
Block a user