IPlugWasmDSP.h

/*
 ==============================================================================
 
 This file is part of the iPlug 2 library. Copyright (C) the iPlug 2 developers.
 
 See LICENSE.txt for  more info.
 
 ==============================================================================
*/
 
#ifndef _IPLUG_HYBRID_DSP_
#define _IPLUG_HYBRID_DSP_
 
#include "IPlugAPIBase.h"
#include "IPlugProcessor.h"
 
BEGIN_IPLUG_NAMESPACE
 
struct InstanceInfo
{};
 
class IPlugWasmDSP : public IPlugAPIBase
                      , public IPlugProcessor
{
public:
  IPlugWasmDSP(const InstanceInfo& info, const Config& config);
  virtual ~IPlugWasmDSP();
 
  void SetInstanceId(int instanceId);
 
  int GetInstanceId() const { return mInstanceId; }
 
  void Init(int sampleRate, int blockSize);
 
  void ProcessBlock(sample** inputs, sample** outputs, int nFrames) override;
 
  // Message handlers - called from JS port.onmessage
  void OnParamMessage(int paramIdx, double value);
  void OnMidiMessage(int status, int data1, int data2);
  void OnSysexMessage(const uint8_t* pData, int size);
  void OnArbitraryMessage(int msgTag, int ctrlTag, int dataSize, const void* pData);
 
  void OnIdleTick();
 
  // IPlugProcessor
  void SetLatency(int samples) override {}
  bool SendMidiMsg(const IMidiMsg& msg) override;
  bool SendSysEx(const ISysEx& msg) override;
 
  // IEditorDelegate - send to UI via postMessage
  void SendControlValueFromDelegate(int ctrlTag, double normalizedValue) override;
  void SendControlMsgFromDelegate(int ctrlTag, int msgTag, int dataSize, const void* pData) override;
  void SendParameterValueFromDelegate(int paramIdx, double value, bool normalized) override;
  void SendArbitraryMsgFromDelegate(int msgTag, int dataSize = 0, const void* pData = nullptr) override;
  void SendMidiMsgFromDelegate(const IMidiMsg& msg) override;
 
  int GetNumInputChannels() const { return MaxNChannels(ERoute::kInput); }
 
  int GetNumOutputChannels() const { return MaxNChannels(ERoute::kOutput); }
 
  bool IsPlugInstrument() const { return IsInstrument(); }
 
private:
  int mInstanceId = 0;
};
 
IPlugWasmDSP* MakePlug(const InstanceInfo& info);
 
END_IPLUG_NAMESPACE
 
#endif // _IPLUG_HYBRID_DSP_