Method Process

Source/Panner.cpp:49–120

}

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

   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;
   }

   SyncBuffers(2);
   mWidenerBuffer.SetNumChannels(2);

   float* secondChannel;
   if (GetBuffer()->NumActiveChannels() == 1) //panning mono input
   {
      BufferCopy(gWorkBuffer, GetBuffer()->GetChannel(0), GetBuffer()->BufferSize());
      secondChannel = gWorkBuffer;
   }
   else
   {
      secondChannel = GetBuffer()->GetChannel(1);
   }

   ChannelBuffer* out = target->GetBuffer();

   if (abs(mWiden) > 0)
   {
      for (int ch = 0; ch < GetBuffer()->NumActiveChannels(); ++ch)
         mWidenerBuffer.WriteChunk(GetBuffer()->GetChannel(ch), GetBuffer()->BufferSize(), ch);
      if (mWiden < 0)
         mWidenerBuffer.ReadChunk(secondChannel, GetBuffer()->BufferSize(), abs(mWiden), (GetBuffer()->NumActiveChannels() == 1) ? 0 : 1);
      else
         mWidenerBuffer.ReadChunk(GetBuffer()->GetChannel(0), GetBuffer()->BufferSize(), abs(mWiden), 0);
   }

   mPanRamp.Start(time, mPan, time + 2);
   for (int i = 0; i < GetBuffer()->BufferSize(); ++i)
   {
      mPan = mPanRamp.Value(time);

      ComputeSliders(i);

      float left = GetBuffer()->GetChannel(0)[i];
      float right = secondChannel[i];