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#include "AudioFileOpsTestsHelper.hxx"
#include "similarityHelper.hxx"
#include "PCMAudioStream.hxx"
namespace CLAMTest
{
double fileSimilarity( const std::string & file, int channel,
const CLAM::Audio& rhs )
{
CLAM::AudioFileSource source;
source.OpenExisting(file);
CLAM::AudioCodecs::Stream* stream = source.GetStream();
CLAM::DataArray samplesExtracted;
samplesExtracted.Resize( rhs.GetSize() );
samplesExtracted.SetSize( rhs.GetSize() );
stream->PrepareReading();
stream->ReadData( channel,
samplesExtracted.GetPtr(),
samplesExtracted.Size() );
stream->Dispose();
delete stream;
return evaluateSimilarity( samplesExtracted,
rhs.GetBuffer() );
}
void fileSimilarity( const std::string & file,
const CLAM::Audio& left, const CLAM::Audio& right,
double& similarityLeft, double& similarityRight )
{
CLAM::AudioFileSource source;
source.OpenExisting(file);
CLAM::AudioCodecs::Stream* stream = source.GetStream();
CLAM::DataArray samplesExtractedLeft;
samplesExtractedLeft.Resize( left.GetSize() );
samplesExtractedLeft.SetSize( left.GetSize() );
CLAM::DataArray samplesExtractedRight;
samplesExtractedRight.Resize( right.GetSize() );
samplesExtractedRight.SetSize( right.GetSize() );
stream->PrepareReading();
int* channelBuff = new int[2];
channelBuff[0] = 0;
channelBuff[1] = 1;
CLAM::TData** samplesMatrix = new CLAM::TData*[2];
samplesMatrix[0] = samplesExtractedLeft.GetPtr();
samplesMatrix[1] = samplesExtractedRight.GetPtr();
stream->ReadData( channelBuff, 2,
samplesMatrix, left.GetSize() );
stream->Dispose();
similarityLeft = evaluateSimilarity( samplesExtractedLeft, left.GetBuffer() );
similarityRight = evaluateSimilarity( samplesExtractedRight, right.GetBuffer() );
delete channelBuff;
delete samplesMatrix;
delete stream;
}
}
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