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DatabaseProcessor.cpp
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DatabaseProcessor.cpp
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//
// DatabaseProcessor.cpp
// FFT Chain
//
// Created by Thomas Rushmore on 26/03/2013.
// Copyright (c) 2013 Thomas Rushmore. All rights reserved.
//
#include "DatabaseProcessor.h"
DatabaseProcessor::DatabaseProcessor(const char* s_directory, const char* s_folder,const char* s_main_directory)
{
samp_directory = s_directory;
samp_directory.append(s_folder);
main_directory = s_main_directory;
folder = s_folder;
FeExtract.SetWriteFilePath(s_main_directory);
GetFileNames();
}
DatabaseProcessor::~DatabaseProcessor()
{
}
int DatabaseProcessor::FeExSetup(const int set_analysis_size,const int set_hop_overlap,const int n_mel_bands,const int sample_rate,const double min_freq,const double max_freq,const int samp_chunk_size,const int mfcc_grouping)
{
bool s_cmplt = FeExtract.Setup(set_analysis_size,set_hop_overlap,n_mel_bands,sample_rate,min_freq,max_freq,samp_chunk_size,mfcc_grouping);
if(!s_cmplt) return 0;
return 1;
}
int DatabaseProcessor::GetFileNames()
{
DIR* direc = opendir(samp_directory.c_str());
dirent* pdir;
printf("\nFiles found in selected directory\n");
while((pdir = readdir(direc))){
std::string tmp_f_name = pdir->d_name;
if(tmp_f_name.length() > 4){
std::string file_ext = tmp_f_name.substr(tmp_f_name.length()-4,4);
if(file_ext == ".wav"){
printf("File : %s\n",pdir->d_name);
file_names.push_back(tmp_f_name);
}
}
}
printf("\n");
closedir(direc);
if(file_names.size() == 0){
printf("0 files in selected folder.\n");
return 0;
}
return 1;
}
void DatabaseProcessor::Process(WRITER type)
{
// Process all files in the folder and write to the MFCC/FFT database.
if(file_names.size() > 0){
for(int i = 0 ; i < file_names.size(); i++){
std::string file_path = samp_directory;
file_path.append(file_names[i]);
FeExtract.ProcessSingleFile(file_path.c_str(),MARKOVANALYSIS);
}
FeExtract.WriteDatabase(file_names.size(),type);
} else {
printf("No files found to process.\n");
}
}