wav_file_io.cpp

//stl
#include <iostream>
//slip
#include "Vector.hpp"
#include "io_tools.hpp"
#include "WavReader.hpp"
#include "WavWriter.hpp"


void usage(const char *name) {
                std::cout << "usage :\n\n";
                std::cout << "\t " << name << " input_wav_signal ";
                std::cout << std::endl;
}


int main(int argc, char* argv[])
{
                if (argc < 2) {
                                usage(*argv);
                                return 0;
                }
                std::string test_name(*argv);
                std::string filename(argv[1]);
                std::string ext;
                std::string output_base;
                slip::split_extension(filename,output_base,ext);

                //Read the audio signal
                slip::WavReader<slip::Vector<double>,double,1> reader(filename);
                slip::Vector<double> audio;
                reader.read(audio);
                WAVE_HEADER head = reader.get_header();

                //Duplicate the signal four times
                std::vector<slip::Vector<double> > audio_list(4,audio);

                //Write all the four audio signals in one output file
                std::size_t list_size = audio_list.size();
                std::size_t size = audio_list.begin()->size()  * list_size;
                slip::WavWriter<slip::Vector<double>,double> writer(output_base + "_duplicate4times" + ext,head,size);
                std::vector<slip::Vector<double> >::const_iterator it_l = audio_list.begin();
                while(writer.write(*it_l)){it_l++;};

                std::cout << output_base + "_duplicate4times" + ext << " written.\n";
                std::cout << test_name << " successful executed.\n";
                return 0;
}