void EngineVuMeter::process(const CSAMPLE* pIn, CSAMPLE*, const int iBufferSize) {
CSAMPLE fVolSumL, fVolSumR;
SampleUtil::sumAbsPerChannel(&fVolSumL, &fVolSumR, pIn, iBufferSize);
m_fRMSvolumeSumL += fVolSumL;
m_fRMSvolumeSumR += fVolSumR;
m_iSamplesCalculated += iBufferSize/2;
// Are we ready to update the VU meter?:
if (m_iSamplesCalculated > (44100/2/UPDATE_RATE)) {
doSmooth(m_fRMSvolumeL, log10(SHRT_MAX * m_fRMSvolumeSumL/(m_iSamplesCalculated*1000)+1));
doSmooth(m_fRMSvolumeR, log10(SHRT_MAX * m_fRMSvolumeSumR/(m_iSamplesCalculated*1000)+1));
const double epsilon = .0001;
// Since VU meters are a rolling sum of audio, the no-op checks in
// ControlObject will not prevent us from causing tons of extra
// work. Because of this, we use an epsilon here to be gentle on the GUI
// and MIDI controllers.
if (fabs(m_fRMSvolumeL - m_ctrlVuMeterL->get()) > epsilon)
m_ctrlVuMeterL->set(m_fRMSvolumeL);
if (fabs(m_fRMSvolumeR - m_ctrlVuMeterR->get()) > epsilon)
m_ctrlVuMeterR->set(m_fRMSvolumeR);
double fRMSvolume = (m_fRMSvolumeL + m_fRMSvolumeR) / 2.0;
if (fabs(fRMSvolume - m_ctrlVuMeter->get()) > epsilon)
m_ctrlVuMeter->set(fRMSvolume);
// Reset calculation:
m_iSamplesCalculated = 0;
m_fRMSvolumeSumL = 0;
m_fRMSvolumeSumR = 0;
}
}
void EngineVuMeter::process(CSAMPLE* pIn, const int iBufferSize) {
CSAMPLE fVolSumL, fVolSumR;
int sampleRate = (int)m_pSampleRate->get();
bool clipped = SampleUtil::sumAbsPerChannel(&fVolSumL, &fVolSumR, pIn, iBufferSize);
m_fRMSvolumeSumL += fVolSumL;
m_fRMSvolumeSumR += fVolSumR;
m_iSamplesCalculated += iBufferSize/2;
// Are we ready to update the VU meter?:
if (m_iSamplesCalculated > (sampleRate/VU_UPDATE_RATE)) {
doSmooth(m_fRMSvolumeL, log10(SHRT_MAX * m_fRMSvolumeSumL/(m_iSamplesCalculated*1000)+1));
doSmooth(m_fRMSvolumeR, log10(SHRT_MAX * m_fRMSvolumeSumR/(m_iSamplesCalculated*1000)+1));
const double epsilon = .0001;
// Since VU meters are a rolling sum of audio, the no-op checks in
// ControlObject will not prevent us from causing tons of extra
// work. Because of this, we use an epsilon here to be gentle on the GUI
// and MIDI controllers.
if (fabs(m_fRMSvolumeL - m_ctrlVuMeterL->get()) > epsilon)
m_ctrlVuMeterL->set(m_fRMSvolumeL);
if (fabs(m_fRMSvolumeR - m_ctrlVuMeterR->get()) > epsilon)
m_ctrlVuMeterR->set(m_fRMSvolumeR);
double fRMSvolume = (m_fRMSvolumeL + m_fRMSvolumeR) / 2.0;
if (fabs(fRMSvolume - m_ctrlVuMeter->get()) > epsilon)
m_ctrlVuMeter->set(fRMSvolume);
// Reset calculation:
m_iSamplesCalculated = 0;
m_fRMSvolumeSumL = 0;
m_fRMSvolumeSumR = 0;
}
if (clipped) {
m_ctrlPeakIndicator->set(1.);
m_peakDuration = PEAK_DURATION * sampleRate / iBufferSize / 2000;
} else if (m_peakDuration <= 0) {
m_ctrlPeakIndicator->set(0.);
} else {
--m_peakDuration;
}
}
IplImage *DehazeBase::doDehaze(const IplImage *src)
{
int airlight;
double *TranMap = new double[src->height * src->width];
m_Result = cvCreateImage( cvGetSize(src), src->depth, src->nChannels );
m_DarkestImage = cvCreateImage( cvGetSize(src), src->depth, 1 );
m_TranMapImage = cvCreateImage( cvGetSize(src), src->depth, 1 );
m_SmoothImage = cvCreateImage( cvGetSize(src), src->depth, 1 );
m_BilaFilImage = cvCreateImage( cvGetSize(src), src->depth, 1 );
m_DarkBilImage = cvCreateImage( cvGetSize(src), src->depth, 1 );
// The input is m_DarkestImage
generateDarkestImage(src);
// The input is m_DarkestImage
airlight = generateAirligth();
// The output is in m_SmoothImage and the input is m_DarkestImage
doSmooth();
// The input is m_DarkestImage
preDoEnhance(m_DarkBilImage);
// The input is m_SmoothImage and the output is in m_BilaFilImage
doEnhance(m_DarkBilImage);
// doEnhance(m_DarkestImage);
// The input is m_BilaFilImage
generateTranMap(airlight, TranMap);
// The output is in m_TranMapImage
generateTranImage(TranMap);
// The output is in m_Result
doDehaze(src, TranMap, airlight);
delete TranMap;
return m_Result;
}