// 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::NextFile()
{
roto = 0;
if(mTrack && mTrack->isPlaying())
{
mTrack->enablePcmBuffering(false);
mTrack->stop();
}
#ifdef WIN32
time_t now;
time(&now);
int time_int = (int)now;
#else
timeval now;
gettimeofday(&now, NULL);
int time_int = now.tv_sec;
#endif
Rand r;
r.seed(time_int);
int rand_file = r.nextInt(m_FileList.size());
path my_path = m_FileList[rand_file].path();
m_CurrentFile = my_path.string();
if(!write_frames)
{
mAudioSource = audio::load(m_CurrentFile);
mTrack = audio::Output::addTrack(mAudioSource, false);
mTrack->enablePcmBuffering(true);
mTrack->play();
}
//rot_inc = r.nextFloat(1.5f, 30.0f);
}
//*************************************************************************
void BeatDetectorApp::keyDown(KeyEvent event)
{
switch(event.getChar())
{
case 'n':
NextFile();
break;
case 'f':
setFullScreen(!isFullScreen());
break;
case 'p':
if(mTrack)
{
if(mTrack->isPlaying())
{
mTrack->stop();
}
else
{
mTrack->play();
}
}
break;
}
}
//*************************************************************************
void BeatDetectorApp::update()
{
if(write_frames)
{
if(curr_sample < p_sample->m_SampleCount)
{
// Initialize analyzer, if needed
if (!mFftInit)
{
Init(samples_per_frame);
}
mFft.setData(p_sample->mp_Buffer + (curr_sample));
curr_sample += samples_per_frame;
CSoundAnalyzer::Get().ProcessData(mFft.getAmplitude(), mFft.getData());
}
else
{
shutdown();
}
}
else
{
// 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->getChannelData(CHANNEL_FRONT_LEFT)->mSampleCount;
if (mSampleCount > 0)
{
// Initialize analyzer, if needed
if (!mFftInit)
{
Init(samples_per_frame);
}
// Analyze data
if (mBuffer->getChannelData(CHANNEL_FRONT_LEFT)->mData != 0)
mFft.setData(mBuffer->getChannelData(CHANNEL_FRONT_LEFT)->mData);
CSoundAnalyzer::Get().ProcessData(mFft.getAmplitude(), mFft.getData());
}
}
}
}
}
void AudioAnalysisSampleApp::keyDown( KeyEvent e ) {
if( e.getChar() == 'p' ) {
( mTrack1->isPlaying() ) ? mTrack1->stop() : mTrack1->play();
}
}