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#include <iostream>
#include <cmath>
#include <CLAM/Audio.hxx>
#include <CLAM/MonoAudioFileReader.hxx>
#include <CLAM/MonoAudioFileWriter.hxx>
int error(const std::string & msg)
{
std::cerr << msg << std::endl;
return -1;
}
int main()
{
const std::string impulseResponseFile = "/home/parumi/acustica-bm/Carnel_3P.wav";
const std::string inputFile = "/home/parumi/acustica-bm/InLanguageAnecoic-cut.wav";
const std::string reverberedFile = "out.wav"; // the output file
CLAM::MonoAudioFileReaderConfig readerConfig;
readerConfig.SetSourceFile(impulseResponseFile);
CLAM::MonoAudioFileReader reader(readerConfig);
if (!reader.IsConfigured()) return error(reader.GetConfigErrorMessage());
reader.Start();
long impulseSamples = reader.GetHeader().GetSamples();
CLAM::Audio impulseResponse;
impulseResponse.SetSize(impulseSamples);
reader.Do( impulseResponse );
reader.Stop();
readerConfig.SetSourceFile(inputFile);
reader.Configure(readerConfig);
if (!reader.IsConfigured()) return error(reader.GetConfigErrorMessage());
reader.Start();
long inputSamples = reader.GetHeader().GetSamples();
CLAM::Audio input;
input.SetSize(inputSamples);
reader.Do( input );
reader.Stop();
// long int inputSamples = reader.GetHeader().GetSamples();
long reverberedSize = impulseResponse.GetSize()+input.GetSize();
CLAM::Audio reverbered;
reverbered.SetSize( reverberedSize );
CLAM::TData * inputArray = &input.GetBuffer()[0];
CLAM::TData * impulseArray = &impulseResponse.GetBuffer()[0];
CLAM::TData * reverberedArray = &reverbered.GetBuffer()[0];
unsigned frameSamples=0;
for (long i=0; i<inputSamples; i++)
{
frameSamples++;
frameSamples%=1000;
if (!frameSamples)
std::cout << "." << std::flush;
for (long j=0; j<impulseSamples; j++)
reverberedArray[i+j] += inputArray[i]*impulseArray[j];
}
std::cout << std::endl << "Done." << std::endl;
// limiter:
for (long i=0; i<reverberedSize; i++)
{
if (reverberedArray[i]>1.0) reverberedArray[i]=1.0;
if (reverberedArray[i]<-1.0) reverberedArray[i]=-1.0;
}
/*
for (long i=0; i<impulseSamples; i++)
std::cout << impulseResponse.GetBuffer()[i] << " ";
for (long i=0; i<inputSamples; i++)
std::cout << input.GetBuffer()[i] << " ";
for (long i=0; i<reverberedSize; i++)
std::cout << reverbered.GetBuffer()[i] << " ";
*/
CLAM::MonoAudioFileWriterConfig writerConfig;
writerConfig.SetTargetFile( reverberedFile );
CLAM::MonoAudioFileWriter writer(writerConfig);
if (!writer.IsConfigured()) return error(writer.GetConfigErrorMessage());
writer.Start();
writer.Do( reverbered );
writer.Stop();
return 0;
}
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