Method Processor

libraries/lib-builtin-effects/NoiseReductionBase.cpp:757–789

}

bool NoiseReductionBase::Worker::Processor(SpectrumTransformer& trans)
{
   auto& transformer = static_cast<MyTransformer&>(trans);
   auto& worker = transformer.mWorker;
   // Compute power spectrum in the newest window
   {
      auto& record = transformer.NthWindow(0);
      float* pSpectrum = &record.mSpectrums[0];
      const double dc = record.mRealFFTs[0];
      *pSpectrum++ = dc * dc;
      float *pReal = &record.mRealFFTs[1], *pImag = &record.mImagFFTs[1];
      for (size_t nn = worker.mSettings.SpectrumSize() - 2; nn--;)
      {
         const double re = *pReal++, im = *pImag++;
         *pSpectrum++ = re * re + im * im;
      }
      const double nyquist = record.mImagFFTs[0];
      *pSpectrum = nyquist * nyquist;
   }

   if (worker.mDoProfile)
      worker.GatherStatistics(transformer);
   else
      worker.ReduceNoise(transformer);

   // Update the Progress meter, let user cancel
   return !worker.mEffect.TrackProgress(
      worker.mProgressTrackCount,
      std::min(
         1.0, ((++worker.mProgressWindowCount).as_double() *
               worker.mSettings.StepSize()) /
                 worker.mLen.as_double()));
}

void NoiseReductionBase::Worker::FinishTrackStatistics()
{