void call(dynd::nd::array *dst, const dynd::nd::array *src)
{
const dynd::ndt::callable_type *fpt = m_proto.extended<dynd::ndt::callable_type>();
intptr_t nsrc = fpt->get_narg();
std::vector<char *> src_data(nsrc);
for (int i = 0; i < nsrc; ++i) {
src_data[i] = const_cast<char *>(src[i].cdata());
}
single(const_cast<char *>(dst->cdata()), src_data.data());
}
void centroidToTxt(string sfName1) {
cout << "Toy with centroid " << sfName1 << endl;
MarSystemManager mng;
MarSystem* net = mng.create("Series/net");
net->addMarSystem(mng.create("SoundFileSource/src"));
net->addMarSystem(mng.create("Windowing/ham"));
net->addMarSystem(mng.create("Spectrum/spk"));
net->addMarSystem(mng.create("PowerSpectrum/pspk"));
net->addMarSystem(mng.create("Centroid/cntrd"));
net->addMarSystem(mng.create("Memory/mem"));
net->addMarSystem(mng.create("Mean/mean"));
net->linkctrl("mrs_string/filename", "SoundFileSource/src/mrs_string/filename");
net->updctrl("mrs_string/filename", sfName1);
mrs_real val = 0.0;
ofstream ofs;
ofs.open("centroid.mpl");
ofs << *net << endl;
ofs.close();
ofstream text;
text.open("centroid.txt");
while (net->getctrl("SoundFileSource/src/mrs_bool/hasData")->to<mrs_bool>())
{
net->tick();
const mrs_realvec& src_data =
net->getctrl("mrs_realvec/processedData")->to<mrs_realvec>();
val = src_data(0,0);
text << val << endl;
//cout << val << endl;
}
text.close();
}
void extractBpm(string filename) {
cout << "BPM extractor" << endl;
MarSystemManager mng;
MarSystem* blackbox = mng.create("Series", "blackbox");
blackbox->addMarSystem(mng.create("SoundFileSource", "src"));
/**
* Linkaggio dei controlli: SoundSource
*/
blackbox->linkctrl("mrs_string/filename", "SoundFileSource/src/mrs_string/filename");
blackbox->linkctrl("mrs_string/labelNames", "SoundFileSource/src/mrs_string/labelNames");
blackbox->updctrl("mrs_string/filename", filename);
/*
* Creazione di un file di testo con alcune informazioni sul file:
* fname = name of the file courrently analyzed
* israte = input sample rate
* osrate = output sample rate
* duration = duration of the file in seconds
* size = number of audio samples contained into the file
* label = label for classification use
*/
ofstream finfo;
finfo.open("durata.txt");
mrs_string fname = blackbox->getctrl("mrs_string/filename")->to<mrs_string>();
finfo << "Input file name: " << fname << endl;
mrs_real israte = blackbox->getctrl("mrs_real/israte")->to<mrs_real>();
finfo << "Input samplerate: " << israte << " Hz" << endl;
mrs_real osrate = blackbox->getctrl("mrs_real/osrate")->to<mrs_real>();
finfo << "Output samplerate: " << osrate << " Hz" << endl;
mrs_real duration = blackbox->getctrl("SoundFileSource/src/mrs_real/duration")->to<mrs_real>();
finfo << "Duration: " << duration << " seconds" << endl;
mrs_natural size = blackbox->getctrl("SoundFileSource/src/mrs_natural/size")->to<mrs_natural>();
finfo << "Number of samples of courrent file: " << size << endl;
mrs_string label = blackbox->getctrl("mrs_string/labelNames")->to<mrs_string>();
finfo << "Label name: " << label << endl;
finfo.close();
ofstream wavelet;
wavelet.open("waveletbands.txt");
wavelet << "WAVELET BANDS VALUES" << endl;
/*
* Preparazione per l'estrazione dell'inviluppo del segnale audio
*/
//blackbox->addMarSystem(mng.create("WaveletBands", "wavelet"));
//blackbox->addMarSystem(mng.create("FullWaveRectifier","rectifier"));
blackbox->addMarSystem(mng.create("AutoCorrelation", "autocorrelation"));
blackbox->updctrl("AutoCorrelation/autocorrelation/mrs_bool/aliasedOutput", false);
blackbox->addMarSystem(mng.create("BeatHistogram", "histogram"));
mrs_real val = 0.0;
while (blackbox->getctrl("SoundFileSource/src/mrs_bool/hasData")->to<mrs_bool>()) {
blackbox->tick();
const mrs_realvec& src_data =
blackbox->getctrl("mrs_realvec/processedData")->to<mrs_realvec>();
val = src_data(0,0);
wavelet << val << endl;
}
wavelet.close();
delete blackbox;
cout << "done" << endl;
}
