IPlugExamples/IPlugMultiChannel/IPlugMultiChannel.cpp

   1 #include "IPlugMultiChannel.h"
   2 #include "IPlug_include_in_plug_src.h"
   3 #include "IControl.h"
   4 #include "resource.h"
   5 #include "IAutoGUI.h"
   6
   7 const int kNumPrograms = 1;
   8
   9 enum EParams
  10 {
  11   kGain = 0,
  12   kNumParams
  13 };
  14
  15 IPlugMultiChannel::IPlugMultiChannel(IPlugInstanceInfo instanceInfo)
  16   :     IPLUG_CTOR(kNumParams, kNumPrograms, instanceInfo), mGain(1.)
  17 {
  18   TRACE;
  19
  20   //arguments are: name, defaultVal, minVal, maxVal, step, label
  21   GetParam(kGain)->InitDouble("Gain", 50., 0., 100.0, 0.01, "%");
  22   GetParam(kGain)->SetShape(2.);
  23
  24   IGraphics* pGraphics = MakeGraphics(this, GUI_WIDTH, GUI_HEIGHT);
  25   IText textProps(12, &COLOR_BLACK, "Verdana", IText::kStyleNormal, IText::kAlignNear, 0, IText::kQualityNonAntiAliased);
  26         GenerateKnobGUI(pGraphics, this, &textProps, &COLOR_WHITE, &COLOR_BLACK, 60, 70);
  27   AttachGraphics(pGraphics);
  28
  29   MakeDefaultPreset((char *) "-", kNumPrograms);
  30 }
  31
  32 IPlugMultiChannel::~IPlugMultiChannel() {}
  33
  34 void IPlugMultiChannel::ProcessDoubleReplacing(double** inputs, double** outputs, int nFrames)
  35 {
  36   // Mutex is already locked for us.
  37
  38 //  bool in1ic = IsInChannelConnected(0);
  39 //  bool in2ic = IsInChannelConnected(1);
  40 //  bool in3ic = IsInChannelConnected(2);
  41 //  bool in4ic = IsInChannelConnected(3);
  42 //
  43 //  DBGMSG("%i %i %i %i, ------------------------- \n", in1ic, in2ic, in3ic, in4ic);
  44
  45   double* in1 = inputs[0];
  46   double* in2 = inputs[1];
  47   double* in3 = inputs[2];
  48   double* in4 = inputs[3];
  49
  50   double* out1 = outputs[0];
  51   double* out2 = outputs[1];
  52   double* out3 = outputs[2];
  53   double* out4 = outputs[3];
  54
  55   for (int s=0; s<nFrames; s++)
  56   {
  57     out1[s] = in1[s] * mGain;
  58     out2[s] = in2[s] * mGain;
  59     out3[s] = in3[s] * mGain;
  60     out4[s] = in4[s] * mGain;
  61   }
  62 }
  63
  64 void IPlugMultiChannel::Reset()
  65 {
  66   TRACE;
  67   IMutexLock lock(this);
  68 }
  69
  70 void IPlugMultiChannel::OnParamChange(int paramIdx)
  71 {
  72   IMutexLock lock(this);
  73
  74   switch (paramIdx)
  75   {
  76     case kGain:
  77       mGain = GetParam(kGain)->Value() / 100.;;
  78       break;
  79
  80     default:
  81       break;
  82   }
  83 }