// Runs update logic
void KissFileSampleApp::update()
{
// Check if track is playing and has a PCM buffer available
if (mTrack->isPlaying() && mTrack->isPcmBuffering())
{
// Get buffer
mBuffer = mTrack->getPcmBuffer();
if (mBuffer && mBuffer->getInterleavedData())
{
// Get sample count
uint32_t mSampleCount = mBuffer->getInterleavedData()->mSampleCount;
if (mSampleCount > 0)
{
// Initialize analyzer, if needed
if (!mFftInit)
{
mFftInit = true;
mFft.setDataSize(mSampleCount);
}
// Analyze data
if (mBuffer->getInterleavedData()->mData != 0)
mFft.setData(mBuffer->getInterleavedData()->mData);
}
}
}
}
//*********************************************************************************
void BeatDetectorApp::Init( uint32_t mSampleCount )
{
mFftInit = true;
mFft.setDataSize(mSampleCount);
int num_bins = mFft.getBinSize();
CSoundAnalyzer::StaticInit(num_bins, samples_per_frame);
for(int i=0; i<5; i++)
{
float i_f = i/(float)5 - 0.4f;
m_Cirlces.push_back(Circle(Color(1, 0, 0), 0, Vec2f(0, getWindowHeight() * i_f)));
}
}