| 1 | /*******************************************************************************
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| 2 | * FILE NAME: IRTMidi.hpp *
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| 3 | * *
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| 4 | * DESCRIPTION: *
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| 5 | * Class implementation of the class: *
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| 6 | * IRTMidi- Real Time Midi Base Class *
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| 7 | * *
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| 8 | * Copyright Joel Troster *
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| 9 | *
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| 10 | * Project Odin Software License can be found in LICENSE.TXT
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| 11 | *
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| 12 | *******************************************************************************/
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| 13 | #ifndef _IRMIDI_
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| 14 | #define _IRMIDI_
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| 15 |
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| 16 | #ifdef _OS2WIN_H
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| 17 | #include <winos2def.h>
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| 18 | #endif
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| 19 |
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| 20 | #include <mididll.h>
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| 21 |
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| 22 | #define MAX_INSTANCES 32
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| 23 |
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| 24 | class IMidiInstance {
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| 25 | public:
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| 26 | IMidiInstance();
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| 27 |
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| 28 | virtual ~IMidiInstance();
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| 29 |
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| 30 | void setInstanceInfo( MIDIINSTANCEINFO * theInstanceInfo );
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| 31 | MINSTANCE instance() const;
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| 32 | unsigned long classNum() const;
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| 33 | char * name();
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| 34 | unsigned long numLinks() const;
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| 35 | unsigned long attributes() const;
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| 36 | BOOL isSend() const;
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| 37 | IMidiInstance& enableSend(BOOL enable = TRUE);
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| 38 | BOOL isReceive() const;
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| 39 | IMidiInstance& enableReceive(BOOL enable = TRUE);
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| 40 | BOOL canReceive() const;
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| 41 | BOOL canSend() const;
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| 42 | IMidiInstance& removeLink(IMidiInstance* toInstance);
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| 43 | IMidiInstance& addLink(IMidiInstance* toInstance);
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| 44 |
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| 45 | unsigned long getMessage( ULONG * pTime, ULONG * pMsg );
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| 46 | void sendMessage( UCHAR b1, UCHAR b2, UCHAR b3, UCHAR b4 ) const;
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| 47 | void sendMessage( ULONG theMsg ) const;
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| 48 | void sendSysexMessage( UCHAR* theMsg, ULONG msgLen ) const;
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| 49 |
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| 50 | MIDIINSTANCEINFO iInfo;
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| 51 |
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| 52 | }; // IMidiInstance
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| 53 |
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| 54 | class IAppMidiInstance : public IMidiInstance
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| 55 | {
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| 56 | public:
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| 57 | IAppMidiInstance( unsigned long attrs );
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| 58 |
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| 59 | virtual ~IAppMidiInstance();
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| 60 | private:
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| 61 | static unsigned long appNum;
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| 62 | }; // IAppMidiInstance
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| 63 |
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| 64 | // *****************************************************************************
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| 65 | // Class declaration for IRTMidi
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| 66 | // *****************************************************************************
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| 67 | class IRTMidi {
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| 68 | public:
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| 69 | //----------------------------------------------------------------------------
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| 70 | // Constructors / destructors
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| 71 | //----------------------------------------------------------------------------
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| 72 | IRTMidi();
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| 73 |
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| 74 | virtual ~IRTMidi();
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| 75 |
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| 76 | public:
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| 77 | void startTimer() const;
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| 78 | void stopTimer() const;
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| 79 | MINSTANCE addInstance(IMidiInstance* theInstance, ULONG classNum, char * );
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| 80 | void delInstance(IMidiInstance* theInstance);
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| 81 | void resetLastRC();
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| 82 | unsigned long lastRC() const
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| 83 | { return iLastRC; }
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| 84 | void setLastRC(unsigned long theRC);
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| 85 | unsigned long applicationClass() const
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| 86 | { return iApplicationClass; };
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| 87 | unsigned long hardwareClass() const
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| 88 | { return iHardwareClass; };
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| 89 | char * RCExplanation() const;
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| 90 | static IRTMidi* instance();
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| 91 | static void shutdown();
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| 92 |
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| 93 | unsigned int numInInstances() const
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| 94 | { return iNumInInstances; };
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| 95 | IMidiInstance* inInstance( unsigned int i ) const
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| 96 | { return iInInstances[i]; };
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| 97 | unsigned int numOutInstances() const
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| 98 | { return iNumOutInstances; };
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| 99 | IMidiInstance* outInstance( unsigned int i ) const
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| 100 | { return iOutInstances[i]; };
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| 101 | unsigned long currentTime() const
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| 102 | { return *iCurrentTime; };
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| 103 |
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| 104 | // Methods for calls to RTMIDI functions
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| 105 | ULONG (*APIENTRY MidiCreateInstance) ( ULONG, MINSTANCE*, PSZ, ULONG );
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| 106 | ULONG (*APIENTRY MidiDeleteInstance) ( MINSTANCE, ULONG );
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| 107 | ULONG (*APIENTRY MidiEnableInstance) ( MINSTANCE, ULONG );
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| 108 | ULONG (*APIENTRY MidiDisableInstance) ( MINSTANCE, ULONG );
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| 109 | ULONG (*APIENTRY MidiAddLink) ( MINSTANCE, MINSTANCE, ULONG, ULONG );
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| 110 | ULONG (*APIENTRY MidiRemoveLink) ( MINSTANCE, MINSTANCE, ULONG, ULONG );
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| 111 | ULONG (*APIENTRY MidiQueryClassList) ( ULONG, PMIDICLASSINFO, ULONG );
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| 112 | ULONG (*APIENTRY MidiQueryInstanceList) ( ULONG, PMIDIINSTANCEINFO, ULONG );
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| 113 | ULONG (*APIENTRY MidiQueryNumClasses) ( PULONG, ULONG );
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| 114 | ULONG (*APIENTRY MidiQueryNumInstances) ( PULONG, ULONG );
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| 115 | ULONG (*APIENTRY MidiSendMessages) ( PMESSAGE, ULONG, ULONG );
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| 116 | ULONG (*APIENTRY MidiSendSysexMessage) ( PMESSAGE, ULONG, ULONG );
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| 117 | ULONG (*APIENTRY MidiRetrieveMessages) ( MINSTANCE, PVOID, PULONG, ULONG );
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| 118 | ULONG (*APIENTRY MidiSetup) ( PMIDISETUP, ULONG );
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| 119 | ULONG (*APIENTRY MidiTimer) ( ULONG, ULONG );
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| 120 |
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| 121 | private:
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| 122 | unsigned long getRTMidiProcs();
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| 123 | unsigned long getClasses();
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| 124 | unsigned long getInstances();
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| 125 | void delInstances();
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| 126 | unsigned long findFreeInstance() const;
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| 127 |
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| 128 | unsigned long iLastRC;
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| 129 |
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| 130 | IMidiInstance* iInstances[MAX_INSTANCES+1];
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| 131 | unsigned int iNumInInstances;
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| 132 | IMidiInstance* iInInstances[MAX_INSTANCES+1];
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| 133 | unsigned int iNumOutInstances;
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| 134 | IMidiInstance* iOutInstances[MAX_INSTANCES+1];
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| 135 | unsigned long iApplicationClass;
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| 136 | unsigned long iHardwareClass;
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| 137 | static IRTMidi* iTheIRTMidiSingleton;
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| 138 | MIDISETUP iSetup;
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| 139 | unsigned long maxRTSysexLen;
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| 140 | unsigned long * iCurrentTime;
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| 141 | HMODULE iRTMidiModule;
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| 142 | };
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| 143 |
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| 144 | #define IRTMIDI IRTMidi::instance()
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| 145 |
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| 146 | extern "C"
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| 147 | {
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| 148 | void IRTMidiShutdown();
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| 149 | }
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| 150 |
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| 151 | #endif
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| 152 |
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