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#include <cppunit/extensions/HelperMacros.h>
#include "cppUnitHelper.hxx"
#include "similarityHelper.hxx"
#include "FFT_base.hxx"
#include "Audio.hxx"
#include "Spectrum.hxx"
#include "XMLStorage.hxx"
#include "ProcessingFactory.hxx"
namespace CLAMTest
{
class FFTFunctionalTest
: public CppUnit::TestFixture
{
protected:
static double smEqualityThreshold;
static bool smBack2BackDataLoaded;
static CLAM::Spectrum smReferenceP2Spectrum;
static CLAM::Spectrum smReferenceNP2Spectrum;
std::string mPathToTestData;
CLAM::FFT_base * mProcessing;
virtual const std::string getProcessing()=0;
void setupSine_F0400Hz_SR8kHz( CLAM::Audio& audio, int nSamples )
{
const CLAM::TSize sampleRate = 8000;
const CLAM::TData sineFreq = 400.0f;
audio.SetSize( nSamples );
audio.SetSampleRate( sampleRate );
audio.SetBeginTime( CLAM::TTime(0.0) );
for ( CLAM::TSize i=0; i<nSamples; i++ )
audio.GetBuffer()[i]=0.625+0.5*sin(2.0*sineFreq*400.0*(((float)i)/sampleRate));
}
void setupSine_F0400Hz_SR8kHz_1024samples( CLAM::Audio& audio )
{
setupSine_F0400Hz_SR8kHz(audio, 1024);
}
void setupSine_F0400Hz_SR8kHz_884samples( CLAM::Audio& audio )
{
setupSine_F0400Hz_SR8kHz(audio, 884);
}
void setupSpectrumToStoreFFTOutput( CLAM::Spectrum& spectrum )
{
CLAM::SpecTypeFlags specFlags;
specFlags.bComplex = 1;
specFlags.bMagPhase = 1;
specFlags.bPolar = 1;
specFlags.bMagPhaseBPF = 1;
spectrum.SetType( specFlags );
}
static void loadBack2BackDataset( const std::string& pathToTestData )
{
if ( !smBack2BackDataLoaded )
{
CLAM::XMLStorage::Restore( smReferenceP2Spectrum,
pathToTestData + "OneSineSpectrum_RectWindow_P2.xml" );
CLAM::XMLStorage::Restore( smReferenceNP2Spectrum,
pathToTestData + "OneSineSpectrum_RectWindow_NP2.xml" );
smBack2BackDataLoaded = true;
}
}
public:
FFTFunctionalTest()
: mProcessing(0)
{
}
void setUp()
{
mProcessing = (CLAM::FFT_base*)CLAM::ProcessingFactory::GetInstance().CreateSafe(getProcessing());
mPathToTestData = GetTestDataDirectory("spectralData/");
loadBack2BackDataset( mPathToTestData );
}
void tearDown()
{
delete mProcessing;
mProcessing = 0;
}
protected:
void test_WithPowerOfTwoInput()
{
CLAM::Audio input;
CLAM::Spectrum output;
CLAM::FFTConfig processingConfig;
setupSine_F0400Hz_SR8kHz_1024samples( input );
setupSpectrumToStoreFFTOutput( output );
output.SetSize( CLAM::TSize(input.GetSize()/2 + 1) );
processingConfig.SetAudioSize( input.GetSize() );
mProcessing->Configure( processingConfig );
mProcessing->Start();
mProcessing->Do( input, output );
mProcessing->Stop();
double similarity = evaluateSimilarity( smReferenceP2Spectrum.GetMagBuffer(),
output.GetMagBuffer() );
CPPUNIT_ASSERT( smEqualityThreshold <= similarity );
CPPUNIT_ASSERT( smReferenceP2Spectrum.GetSpectralRange()
== output.GetSpectralRange() );
}
void test_WithComplex()
{
CLAM::Audio input;
CLAM::SpecTypeFlags flg;
flg.bMagPhase=0;
flg.bComplex=1;
CLAM::Spectrum output;
output.SetType(flg);
CLAM::FFTConfig processingConfig;
setupSine_F0400Hz_SR8kHz_1024samples( input );
output.SetSize( CLAM::TSize(input.GetSize()/2 + 1) );
processingConfig.SetAudioSize( input.GetSize() );
mProcessing->Configure( processingConfig );
mProcessing->Start();
mProcessing->Do(input,output);
mProcessing->Stop();
flg.bMagPhase=1;
output.SetTypeSynchronize(flg);
double similarity = evaluateSimilarity( smReferenceP2Spectrum.GetMagBuffer(),
output.GetMagBuffer() );
CPPUNIT_ASSERT( smEqualityThreshold <= similarity );
CPPUNIT_ASSERT( smReferenceP2Spectrum.GetSpectralRange()
== output.GetSpectralRange() );
}
void test_WithBPF()
{
CLAM::Audio input;
CLAM::SpecTypeFlags flg;
flg.bMagPhase=0;
flg.bMagPhaseBPF=1;
CLAM::Spectrum output;
output.SetType(flg);
CLAM::FFTConfig processingConfig;
setupSine_F0400Hz_SR8kHz_1024samples( input );
output.SetSize( CLAM::TSize(input.GetSize()/2 + 1) );
processingConfig.SetAudioSize( input.GetSize() );
mProcessing->Configure( processingConfig );
mProcessing->Start();
mProcessing->Do(input,output);
mProcessing->Stop();
flg.bMagPhase=1;
output.SetTypeSynchronize(flg);
double similarity = evaluateSimilarity( smReferenceP2Spectrum.GetMagBuffer(),
output.GetMagBuffer() );
CPPUNIT_ASSERT( smReferenceP2Spectrum.GetSpectralRange()
== output.GetSpectralRange() );
CPPUNIT_ASSERT( smReferenceP2Spectrum.GetSize()
== output.GetSize() );
CPPUNIT_ASSERT( smEqualityThreshold <= similarity );
}
void test_WithPolar()
{
CLAM::Audio input;
CLAM::SpecTypeFlags flg;
flg.bMagPhase=0;
flg.bPolar=1;
CLAM::Spectrum output;
output.SetType(flg);
CLAM::FFTConfig processingConfig;
setupSine_F0400Hz_SR8kHz_1024samples( input );
output.SetSize( CLAM::TSize(input.GetSize()/2 + 1) );
processingConfig.SetAudioSize( input.GetSize() );
mProcessing->Configure( processingConfig );
mProcessing->Start();
mProcessing->Do(input,output);
mProcessing->Stop();
flg.bMagPhase=1;
output.SetTypeSynchronize(flg);
double similarity = evaluateSimilarity( smReferenceP2Spectrum.GetMagBuffer(),
output.GetMagBuffer() );
CPPUNIT_ASSERT( smEqualityThreshold <= similarity );
CPPUNIT_ASSERT( smReferenceP2Spectrum.GetSpectralRange()
== output.GetSpectralRange() );
}
void test_WithNonPowerOfTwoInput()
{
CLAM::Audio input;
CLAM::Spectrum output;
CLAM::FFTConfig processingConfig;
setupSine_F0400Hz_SR8kHz_884samples( input );
setupSpectrumToStoreFFTOutput( output );
output.SetSize( CLAM::TSize(input.GetSize()/2 + 1) );
processingConfig.SetAudioSize( input.GetSize() );
mProcessing->Configure( processingConfig );
mProcessing->Start();
mProcessing->Do( input, output );
mProcessing->Stop();
double similarity = evaluateSimilarity( smReferenceNP2Spectrum.GetMagBuffer(),
output.GetMagBuffer() );
CPPUNIT_ASSERT( smEqualityThreshold <= similarity );
CPPUNIT_ASSERT( smReferenceP2Spectrum.GetSpectralRange()
== output.GetSpectralRange() );
}
void test_WithNonPowerOfTwoInput_fails()
{
CLAM::Audio input;
CLAM::Spectrum output;
CLAM::FFTConfig processingConfig;
setupSine_F0400Hz_SR8kHz_884samples( input );
setupSpectrumToStoreFFTOutput( output );
output.SetSize( CLAM::TSize(input.GetSize()/2 + 1) );
processingConfig.SetAudioSize( input.GetSize() );
CPPUNIT_ASSERT_EQUAL( false, mProcessing->Configure( processingConfig ) );
}
};
double FFTFunctionalTest::smEqualityThreshold = 0.99999999999; // More accurate as close to 1
bool FFTFunctionalTest::smBack2BackDataLoaded = false;
CLAM::Spectrum FFTFunctionalTest::smReferenceP2Spectrum;
CLAM::Spectrum FFTFunctionalTest::smReferenceNP2Spectrum;
#ifdef USE_FFTW3
class FFTW3FunctionalTest;
CPPUNIT_TEST_SUITE_REGISTRATION( FFTW3FunctionalTest );
class FFTW3FunctionalTest : public FFTFunctionalTest
{
CPPUNIT_TEST_SUITE( FFTW3FunctionalTest );
CPPUNIT_TEST( test_WithPowerOfTwoInput );
CPPUNIT_TEST( test_WithNonPowerOfTwoInput );
CPPUNIT_TEST( test_WithComplex );
CPPUNIT_TEST( test_WithPolar );
CPPUNIT_TEST( test_WithBPF );
CPPUNIT_TEST_SUITE_END();
protected:
virtual const std::string getProcessing()
{
return "FFT_fftw3";
}
};
#endif
#ifdef USE_FFTW
class FFTWFunctionalTest;
CPPUNIT_TEST_SUITE_REGISTRATION( FFTWFunctionalTest );
class FFTWFunctionalTest : public FFTFunctionalTest
{
CPPUNIT_TEST_SUITE( FFTWFunctionalTest );
CPPUNIT_TEST( test_WithPowerOfTwoInput );
CPPUNIT_TEST( test_WithNonPowerOfTwoInput );
CPPUNIT_TEST( test_WithComplex );
CPPUNIT_TEST( test_WithPolar );
CPPUNIT_TEST( test_WithBPF );
CPPUNIT_TEST_SUITE_END();
protected:
virtual const std::string getProcessing()
{
return "FFT_rfftw";
}
};
#endif
class FFTOouraFunctionalTest;
CPPUNIT_TEST_SUITE_REGISTRATION( FFTOouraFunctionalTest );
class FFTOouraFunctionalTest : public FFTFunctionalTest
{
CPPUNIT_TEST_SUITE( FFTOouraFunctionalTest );
CPPUNIT_TEST( test_WithPowerOfTwoInput );
CPPUNIT_TEST( test_WithNonPowerOfTwoInput_fails );
CPPUNIT_TEST( test_WithComplex );
CPPUNIT_TEST( test_WithPolar );
CPPUNIT_TEST( test_WithBPF );
CPPUNIT_TEST_SUITE_END();
protected:
virtual const std::string getProcessing()
{
return "FFT_ooura";
}
};
class FFTNumRecFunctionalTest;
CPPUNIT_TEST_SUITE_REGISTRATION( FFTNumRecFunctionalTest );
class FFTNumRecFunctionalTest : public FFTFunctionalTest
{
CPPUNIT_TEST_SUITE( FFTNumRecFunctionalTest );
CPPUNIT_TEST( test_WithPowerOfTwoInput );
CPPUNIT_TEST( test_WithNonPowerOfTwoInput_fails );
CPPUNIT_TEST( test_WithComplex );
CPPUNIT_TEST( test_WithPolar );
CPPUNIT_TEST( test_WithBPF );
CPPUNIT_TEST_SUITE_END();
protected:
virtual const std::string getProcessing()
{
return "FFT_numrec";
}
};
}
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