Method Process

Source/Looper.cpp:198–389

}

void Looper::Process(double time)
{
   PROFILER(Looper);

   IAudioReceiver* target = GetTarget();

   if (target == nullptr)
      return;

   if (!mEnabled)
   {
      SyncBuffers();

      for (int ch = 0; ch < GetBuffer()->NumActiveChannels(); ++ch)
      {
         Add(target->GetBuffer()->GetChannel(ch), GetBuffer()->GetChannel(ch), GetBuffer()->BufferSize());
         GetVizBuffer()->WriteChunk(GetBuffer()->GetChannel(ch), GetBuffer()->BufferSize(), ch);
      }

      GetBuffer()->Reset();

      return;
   }

   ComputeSliders(0);
   int numChannels = MAX(GetBuffer()->NumActiveChannels(), mBuffer->NumActiveChannels());
   if (mRecorder)
      numChannels = MAX(numChannels, mRecorder->GetRecordBuffer()->NumChannels());
   GetBuffer()->SetNumActiveChannels(numChannels);
   SyncBuffers();
   mBuffer->SetNumActiveChannels(GetBuffer()->NumActiveChannels());
   mWorkBuffer.SetNumActiveChannels(GetBuffer()->NumActiveChannels());
   mUndoBuffer->SetNumActiveChannels(GetBuffer()->NumActiveChannels());

   bool doGranular = mGranulator != nullptr && mGranulator->IsActive();

   if (mWantBakeVolume)
      BakeVolume();
   if (mWantShiftDownbeat)
      DoShiftDownbeat();

   int bufferSize = GetBuffer()->BufferSize();

   float oldLoopPos = mLoopPos;
   int sampsPerBar = mLoopLength / mNumBars;
   if (!doGranular || !mGranulator->ShouldFreeze())
      mLoopPos = sampsPerBar * ((TheTransport->GetMeasure(time) % mNumBars) + TheTransport->GetMeasurePos(time));

   double speed = GetPlaybackSpeed();

   if (oldLoopPos > mLoopLength - bufferSize * speed - 1 && mLoopPos < oldLoopPos)
   {
      ++mLoopCount;
      /*if (mLoopCount > 6 && mMute == false && mDecay)
         mVol *= ofMap(TheTransport->GetTempo(), 80.0f, 160.0f, .95f, .99f, true);*/
      if (mMute == false)
         mVol *= 1 - mDecay;