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#include <cppunit/extensions/HelperMacros.h>
#include "cppUnitHelper.hxx"
#include <CLAM/AudioFile.hxx>
#include <CLAM/MonoAudioFileWriterConfig.hxx>
#include <CLAM/MonoAudioFileReader.hxx>
#include <CLAM/MonoAudioFileWriter.hxx>
#include <CLAM/Audio.hxx>
#include "similarityHelper.hxx"
#include <deque>
#include <CLAM/CLAM_Math.hxx>
namespace CLAMTest
{
class MonoAudioFileWriterFunctionalTest;
CPPUNIT_TEST_SUITE_REGISTRATION( MonoAudioFileWriterFunctionalTest );
class MonoAudioFileWriterFunctionalTest
: public CppUnit::TestFixture
{
CPPUNIT_TEST_SUITE( MonoAudioFileWriterFunctionalTest );
CPPUNIT_TEST( testConfigure_twoOnTheSameFileFail );
CPPUNIT_TEST( testDo_PCM_WritesTheSameItWasRead );
CPPUNIT_TEST( testDo_OggVorbis_WritesTheSameItWasRead );
CPPUNIT_TEST_SUITE_END();
protected:
std::string mPathToTestData;
public:
void setUp()
{
mPathToTestData = GetTestDataDirectory();
}
void tearDown()
{
}
private:
void testConfigure_ReturnsFalse_WithJustFilename()
{
CLAM::MonoAudioFileWriterConfig cfg;
cfg.SetTargetFile( "NewFile.wav" );
CLAM::MonoAudioFileWriter proc;
bool configResult = proc.Configure( cfg );
CPPUNIT_ASSERT_EQUAL( false,
configResult );
}
void testConfigure_twoOnTheSameFileFail()
{
CLAM::MonoAudioFileWriterConfig cfgWriter;
cfgWriter.SetTargetFile( "twosines-stereo.wav" );
CLAM::MonoAudioFileWriter procWriter;
CLAM::MonoAudioFileWriter procWriter2;
procWriter.Configure( cfgWriter );
CPPUNIT_ASSERT_EQUAL( false, procWriter2.Configure( cfgWriter ) );
}
void testDo_PCM_WritesTheSameItWasRead()
{
CLAM::MonoAudioFileReaderConfig cfgReader;
cfgReader.SetSourceFile( mPathToTestData + std::string( "Elvis.wav" ) );
cfgReader.SetSelectedChannel( 0 );
CLAM::MonoAudioFileReader procReader;
CPPUNIT_ASSERT_EQUAL( true,
procReader.Configure( cfgReader ) );
CLAM::MonoAudioFileWriterConfig cfgWriter;
cfgWriter.SetTargetFile( "CopyOfElvis.wav.wav" );
cfgWriter.SetSampleRate( procReader.GetHeader().GetSampleRate() );
// TODO: Those parameters have not been moved from the header to configuration
// cfgWriter.SetFormat( procReader.GetHeader().GetFormat() );
// cfgWriter.SetEncoding( procReader.GetHeader().GetEncoding() );
// cfgWriter.SetEndianess( procReader.GetHeader().GetEndianess() );
CLAM::MonoAudioFileWriter procWriter;
CPPUNIT_ASSERT_EQUAL( true,
procWriter.Configure( cfgWriter ) );
CLAM::Audio readSamples;
readSamples.SetSize( 256 );
procReader.Start();
procWriter.Start();
int frameCounter = 0;
while( procReader.Do(readSamples) )
{
frameCounter++;
procWriter.Do(readSamples);
}
procReader.Stop();
procWriter.Stop();
// Once written to disk, now we recover it, and
// check it is the same frame by frame
CLAM::MonoAudioFileReader procReader2;
cfgReader.SetSourceFile( "CopyOfElvis.wav.wav" );
CPPUNIT_ASSERT_EQUAL( true, procReader2.Configure( cfgReader ) );
CLAM::Audio readSamples2;
readSamples2.SetSize( 256 );
procReader.Start();
procReader2.Start();
frameCounter = 0;
while( procReader.Do(readSamples) && procReader2.Do(readSamples2) )
{
double sim = evaluateSimilarity( readSamples.GetBuffer(), readSamples2.GetBuffer() );
CPPUNIT_ASSERT
( sim >= 0.9999 );
}
procReader.Stop();
procReader2.Stop();
}
void testDo_OggVorbis_WritesTheSameItWasRead()
{
CLAM::MonoAudioFileReaderConfig cfgReader;
cfgReader.SetSourceFile( mPathToTestData + std::string( "Elvis.wav" ) );
cfgReader.SetSelectedChannel( 0 );
CLAM::MonoAudioFileReader procReader;
CPPUNIT_ASSERT_EQUAL( true,
procReader.Configure( cfgReader ) );
CLAM::MonoAudioFileWriterConfig cfgWriter;
cfgWriter.SetTargetFile( "CopyOfElvis.ogg" );
cfgWriter.SetSampleRate( procReader.GetHeader().GetSampleRate() );
CLAM::MonoAudioFileWriter procWriter;
CPPUNIT_ASSERT_EQUAL( true,
procWriter.Configure( cfgWriter ) );
CLAM::Audio readSamples;
readSamples.SetSize( 256 );
procReader.Start();
procWriter.Start();
int framesRead = 0;
while( procReader.Do(readSamples) )
{
framesRead++;
procWriter.Do(readSamples);
}
procReader.Stop();
procWriter.Stop();
// Once written to disk, now we recover it, and
// check it is the same frame by frame
CLAM::MonoAudioFileReader procReader2;
cfgReader.SetSourceFile( "CopyOfElvis.ogg" );
CPPUNIT_ASSERT_EQUAL( true, procReader2.Configure( cfgReader ) );
CLAM::Audio readSamples2;
readSamples2.SetSize( 256 );
procReader.Start();
procReader2.Start();
int framesChecked = 0;
double maxSim = -1e20;
int maxSimFrame = 0;
double minSim = 1e20;
int minSimFrame = 0;
double averageSim = 0.0;
while( procReader.Do(readSamples) && procReader2.Do(readSamples2) )
{
double sim = evaluateSimilarity( readSamples.GetBuffer(), readSamples2.GetBuffer() );
framesChecked++;
if ( sim > maxSim )
{
maxSim = sim;
maxSimFrame = framesChecked;
}
if ( sim < minSim )
{
minSim = sim;
minSimFrame = framesChecked;
}
averageSim += sim;
// MRJ: Note that due to decoding/encoding approximation errors
// correlation is not as higher as in the PCM case. Note we have
// put it to 0.5 which is the 'parameter' value for deciding
// trade-off between quality and bitrate.
CPPUNIT_ASSERT( sim >= 0.5);
}
averageSim *= (1.0/double(framesChecked));
/*
std::cout << std::endl;
std::cout << "Maximum similarity: " << maxSim << " at " << maxSimFrame;
std::cout << std::endl;
std::cout << "Minimum similarity: " << minSim << " at " << minSimFrame;
std::cout << std::endl;
std::cout << "Average similarity: " << averageSim << std::endl;
*/
CPPUNIT_ASSERT( fabs( maxSim - 1.0 ) < 1e-2 );
CPPUNIT_ASSERT( fabs( minSim - 0.644362 ) < 1e-2 );
CPPUNIT_ASSERT( fabs( averageSim - 0.99589 ) < 1e-2 );
procReader.Stop();
procReader2.Stop();
CPPUNIT_ASSERT_EQUAL( framesRead,
framesChecked );
}
};
}
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