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#ifndef QMPCOREPUBLIC_H
#define QMPCOREPUBLIC_H
#include <cstdint>
#include <string>
//This struct is used by event reader callbacks and event handler callbacks
//as caller data struct
struct SEventCallBackData
{
uint32_t time,type,p1,p2;
SEventCallBackData(uint32_t _t,uint32_t _p1,uint32_t _p2,uint32_t _tm){type=_t;p1=_p1;p2=_p2;time=_tm;}
};
//Generic callback function that can be used for hooking the core.
//"userdata" is set when you register the callback function.
class IMidiCallBack
{
public:
IMidiCallBack(){}
virtual void callBack(void* callerdata,void* userdata)=0;
virtual ~IMidiCallBack(){}
};
//Main plugin interface.
class qmpPluginIntf
{
public:
qmpPluginIntf(){}
virtual ~qmpPluginIntf(){}
virtual void init(){}
virtual void deinit(){}
virtual const char* pluginGetName(){return "";}
virtual const char* pluginGetVersion(){return "";}
};
//Visualization plugin interface. If your plugin implements a visualization,
//you should implement this interface.
class qmpVisualizationIntf
{
public:
qmpVisualizationIntf(){}
virtual void show()=0;
virtual void close()=0;
virtual void start()=0;
virtual void stop()=0;
virtual void pause()=0;
virtual void reset()=0;
virtual ~qmpVisualizationIntf(){}
};
#ifdef QMP_MAIN
extern "C"{
#endif
//The API class provided by the core. Plugins use this class to interact with
//the core.
class qmpPluginAPI
{
public:
virtual uint32_t getDivision();
virtual uint32_t getRawTempo();
virtual double getRealTempo();
virtual uint32_t getTimeSig();
virtual int getKeySig();
virtual uint32_t getNoteCount();
virtual uint32_t getCurrentPolyphone();
virtual uint32_t getMaxPolyphone();
virtual uint32_t getCurrentTimeStamp();
virtual double getPitchBend(int ch);
virtual bool getChannelMask(int ch);
virtual std::string getTitle();
virtual int registerVisualizationIntf(qmpVisualizationIntf* intf);
virtual void unregisterVisualizationIntf(int intfhandle);
virtual int registerEventReaderIntf(IMidiCallBack* cb,void* userdata);
virtual void unregisterEventReaderIntf(int intfhandle);
virtual int registerEventHandlerIntf(IMidiCallBack* cb,void* userdata);
virtual void unregisterEventHandlerIntf(int intfhandle);
virtual void registerOptionInt(std::string desc,std::string key,int min,int max,int defaultval);
virtual int getOptionInt(std::string key);
virtual void registerOptionDouble(std::string desc,std::string key,double min,double max,double defaultval);
virtual double getOptionDouble(std::string key);
virtual void registerOptionString(std::string desc,std::string key,std::string defaultval);
virtual std::string getOptionString(std::string key);
};
#ifdef QMP_MAIN
}
#endif
//The entry type for the plugin. Your plugin should implement
//qmpPluginIntf* qmpPluginGetInterface(qmpPluginAPI* api)
//as its entry point. A pointer to the core API is also passed to the plugin
//through the parameter. This function should return a pointer to a class
//that implementes the plugin interface (qmpPluginIntf).
typedef qmpPluginIntf*(*qmpPluginEntry)(qmpPluginAPI*);
#endif // QMPCOREPUBLIC_H
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