comparison layer/SpectrogramLayer.cpp @ 1503:2c7a480f93ca

Set maximum frequency on FFT model to reduce cache size (experimental)

 
     invalidateRenderers();
     invalidateMagnitudes();
     
     m_maxFrequency = mf;
+
+    if (auto fftModel = ModelById::getAs<FFTModel>(m_fftModel)) {
+        fftModel->setMaximumFrequency(m_maxFrequency);
+    }
     
     emit layerParametersChanged();
 }
 
 int

              tr("Failed to create the FFT model for this spectrogram.\n"
                 "There may be insufficient memory or disc space to continue."));
         return;
     }
 
+    newFFTModel->setMaximumFrequency(getMaxFrequency());
+    
     m_fftModel = ModelById::add(newFFTModel);
 
     bool createWholeCache = false;
     checkCacheSpace(&m_peakCacheDivisor, &createWholeCache);
     

     invalidateRenderers();
     invalidateMagnitudes();
 
     m_minFrequency = minf;
     m_maxFrequency = maxf;
+
+    if (auto fftModel = ModelById::getAs<FFTModel>(m_fftModel)) {
+        fftModel->setMaximumFrequency(m_maxFrequency);
+    }
     
     emit layerParametersChanged();
 
     int vs = getCurrentVerticalZoomStep();
     if (vs != m_lastEmittedZoomStep) {