int main() {
retstr();
retarr();
retunion();
retunempty(); E(6);// KEEP : error = Error 6
E(3); // ERROR(3)
SUCCESS;
}
chtk::htkarray chtk::htk_load(std::string fname, int FRM_EXT){
std::ifstream inp;
inp.open(fname,std::ios::binary);
if (!inp.is_open()){
std::string exept= "File " + fname + " cannot be opened !\n";
throw std::runtime_error(exept.c_str());
}
chtk::htkheader header = load_header(inp);
// Reading in the header file of any htk binary file
// Generate the returning htk representation
chtk::htkarray retarr(ntohl(header.nsamples),ntohl(header.sample_period),ntohs(header.samplesize),ntohs(header.parmkind),FRM_EXT);
// Prepare vector to read in data
std::vector<std::vector<char>> buf(retarr.nsamples);
for ( auto i=0u ; i < retarr.nsamples; i++) {
// buf[i] = new char[arr->samplesize];
std::vector<char> samplebuf(retarr.samplesize/sizeof(char));
inp.read(reinterpret_cast<char*>(samplebuf.data()),retarr.samplesize);
// std::cout <<"samplesize for sample " << i << " is " << (arr)->samplesize/4 << std::endl;
for(auto j = 0u ; j < samplebuf.size();j+=4){
// Swapping the elements from big endian to little endian
std::swap(samplebuf.at(j+3),samplebuf.at(j));
std::swap(samplebuf.at(j+2),samplebuf.at(j+1));
}
buf.at(i) = samplebuf;
}
auto offset=0;
// Append the extended features
for ( auto i=0; i< retarr.nsamples; i++){
for (auto j= -FRM_EXT;j < FRM_EXT+1;j++){
int tmpidx= i+j>0?(i+j):0;
// Check if the extended index is in range, if it is use the extended index
// otherwise use the last sample
int index= (tmpidx>retarr.nsamples-1)?retarr.nsamples-1:tmpidx;
// Copy the current extended frame into the current buffer
std::copy(buf.at(index).begin(),
buf.at(index).end(),
retarr.data_holder.get()->begin()+offset
);
offset+=retarr.samplesize;
}
}
return retarr;
}
