TestFFTDisplay::TestFFTDisplay(QWidget *parent) :
QWidget(parent)
{
m_Controller = new libbeat::BeatController(0,4096,44100,192);
//Setup two test frequencies: 600Hz and 12000Hz
m_Controller->addCustomBeat(600);
m_Controller->addCustomBeat(12000);
//Draw when processed and analysed data is ready to be displayed
connect(m_Controller,SIGNAL(processingDone()),this,SLOT(drawNewData()));
//Connect some test slots to the Controller's signals
connect(m_Controller,SIGNAL(beatDrum()),this,SLOT(processDrum()));
connect(m_Controller,SIGNAL(beatSnare()),this,SLOT(processSnare()));
connect(m_Controller,SIGNAL(beatCustom(QSet<uint16_t>)),this,SLOT(processCustom(QSet<uint16_t>)));
}
void BeatController::processNewData()
{
m_FFT->processData();
m_Analyser->processData();
emit processingDone();
if(m_Analyser->getDrumBeat())
emit beatDrum();
if(m_Analyser->getSnareBeat())
emit beatSnare();
//Check for a beat for every frequency in our list
QSet<uint16_t> myBeats;
QSetIterator<uint16_t> i(m_customBeats);
while(i.hasNext())
{
if(m_Analyser->getBeatFrequency(i.peekNext()))
myBeats.insert(i.peekNext());
i.next();
}
if(!myBeats.empty())
emit beatCustom(myBeats);
}
