IPlugExamples/IPlugMultiTargets/IPlugMultiTargets.h

   1 #ifndef __IPLUGMULTITARGETS__
   2 #define __IPLUGMULTITARGETS__
   3
   4 #include "IPlug_include_in_plug_hdr.h"
   5 #include "IMidiQueue.h"
   6
   7 #ifndef OS_IOS
   8 #include "IControl.h"
   9 #endif
  10
  11 // http://www.musicdsp.org/archive.php?classid=3#257
  12
  13 class CParamSmooth
  14 {
  15 public:
  16   CParamSmooth() { a = 0.99; b = 1. - a; z = 0.; };
  17   ~CParamSmooth() {};
  18   inline double Process(double in) { z = (in * b) + (z * a); return z; }
  19 private:
  20   double a, b, z;
  21 };
  22
  23 class IPlugMultiTargets : public IPlug
  24 {
  25 public:
  26
  27   IPlugMultiTargets(IPlugInstanceInfo instanceInfo);
  28   ~IPlugMultiTargets();
  29
  30   void Reset();
  31   void OnParamChange(int paramIdx);
  32
  33 #ifdef OS_IOS
  34   void ProcessSingleReplacing(float** inputs, float** outputs, int nFrames);
  35 #else
  36   void ProcessDoubleReplacing(double** inputs, double** outputs, int nFrames);
  37   bool HostRequestingAboutBox();
  38 #endif
  39
  40   int GetNumKeys();
  41   bool GetKeyStatus(int key);
  42   void ProcessMidiMsg(IMidiMsg* pMsg);
  43
  44 private:
  45 #ifndef OS_IOS
  46   IBitmapOverlayControl* mAboutBox;
  47   IControl* mKeyboard;
  48   int mMeterIdx_L, mMeterIdx_R;
  49 #endif
  50
  51   IMidiQueue mMidiQueue;
  52
  53   int mNumKeys; // how many keys are being played (via midi)
  54   bool mKeyStatus[128]; // array of on/off for each key
  55
  56   int mPhase;
  57   int mNote;
  58   int mKey;
  59
  60   double mGainL, mGainR;
  61   double mSampleRate;
  62   double mFreq;
  63   double mNoteGain;
  64   double mPrevL, mPrevR;
  65
  66   ITimeInfo mTimeInfo;
  67
  68   CParamSmooth mGainLSmoother, mGainRSmoother;
  69 };
  70
  71 #ifndef OS_IOS
  72 enum ELayout
  73 {
  74   kWidth = GUI_WIDTH,  // width of plugin window
  75   kHeight = GUI_HEIGHT, // height of plugin window
  76
  77   kKeybX = 1,
  78   kKeybY = 233,
  79
  80   kGainX = 100,
  81   kGainY = 100,
  82   kKnobFrames = 60
  83 };
  84 #endif
  85 #endif //__IPLUGMULTITARGETS__