Method Process

libraries/lib-nyquist-effects/NyquistBase.cpp:644–1099

};

bool NyquistBase::Process(EffectInstance&, EffectSettings& settings)
{
   if (mIsPrompt && mControls.size() > 0 && !IsBatchProcessing())
   {
      auto& nyquistSettings = GetSettings(settings);
      auto cleanup = finally([&] {
         // Free up memory
         nyquistSettings.proxySettings = {};
      });
      NyquistBase proxy { NYQUIST_WORKER_ID };
      proxy.SetCommand(mInputCmd);
      proxy.mDebug = nyquistSettings.proxyDebug;
      proxy.mControls = move(nyquistSettings.controls);
      auto result = Delegate(proxy, nyquistSettings.proxySettings);
      if (result)
      {
         mT0 = proxy.mT0;
         mT1 = proxy.mT1;
      }
      return result;
   }

   // Check for reentrant Nyquist commands.
   // I'm choosing to mark skipped Nyquist commands as successful even though
   // they are skipped.  The reason is that when Nyquist calls out to a chain,
   // and that chain contains Nyquist,  it will be clearer if the chain
   // completes skipping Nyquist, rather than doing nothing at all.
   if (mReentryCount > 0)
      return true;

   // Restore the reentry counter (to zero) when we exit.
   auto countRestorer = valueRestorer(mReentryCount);
   mReentryCount++;
   RegisterFunctions();

   bool success = true;
   int nEffectsSoFar = EffectOutputTracks::nEffectsDone;
   mProjectChanged = false;
   EffectManager& em = EffectManager::Get();
   em.SetSkipStateFlag(false);

   // This code was added in a fix for bug 2392 (no preview for Nyquist)
   // It was commented out in a fix for bug 2428 (no progress dialog from a
   // macro)
   // if (mExternal) {
   //  mProgress->Hide();
   //}

   mOutputTime = 0;
   mCount = 0;
   const auto scale =
      (GetType() == EffectTypeProcess ? 0.5 : 1.0) / GetNumWaveGroups();

   mStop = false;
   mBreak = false;
   mCont = false;

   mTrackIndex = 0;