| 1 | /* $Id: maudio.hpp 142 2000-04-23 14:55:46Z ktk $ */
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| 2 |
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| 3 | /* SCCSID = %W% %E% */
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| 4 | /****************************************************************************
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| 5 | * *
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| 6 | * Copyright (c) IBM Corporation 1994 - 1997. *
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| 7 | * *
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| 8 | * The following IBM OS/2 source code is provided to you solely for the *
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| 9 | * the purpose of assisting you in your development of OS/2 device drivers. *
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| 10 | * You may use this code in accordance with the IBM License Agreement *
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| 11 | * provided in the IBM Device Driver Source Kit for OS/2. *
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| 12 | * *
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| 13 | ****************************************************************************/
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| 14 | /**@internal %W%
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| 15 | * MIDI audio hardware object definition.
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| 16 | * @version %I%
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| 17 | * @context
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| 18 | * Unless otherwise noted, all interfaces are Ring-0, 16-bit, kernel stack.
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| 19 | * @notes
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| 20 | * @history
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| 21 | */
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| 22 |
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| 23 | #ifndef MIDIAUDIO_INCLUDED
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| 24 | #define MIDIAUDIO_INCLUDED
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| 25 |
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| 26 | #ifndef OS2_INCLUDED
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| 27 | #define INCL_NOPMAPI
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| 28 | #include <os2.h>
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| 29 | #endif
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| 30 |
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| 31 | #include "..\midi\midi_idc.h" // RTMIDI interfaces, MIDI_NAME_LENGTH
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| 32 | #include "audiohw.hpp" // Object definition.
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| 33 | #include "timer.hpp" // Object definition.
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| 34 |
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| 35 | class MIDIAUDIO : public AUDIOHW {
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| 36 | protected:
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| 37 | MIDIAUDIO (ULONG devicetype, TIMER* pTimer );
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| 38 | public:
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| 39 | // RT MIDI Data
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| 40 | char szRTMIDI_Name[MIDI_NAME_LENGTH];
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| 41 | // RTMIDI gets a pointer to this string.
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| 42 | ULONG ulRTMIDI_Caps; // RTMIDI defined capability bits.
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| 43 | ULONG ulRTMIDI_Handle; // Provided to us by RTMIDI (aka MIDI.SYS)
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| 44 |
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| 45 | // Entry points into RTMIDI (MIDI.SYS) provided to us by IDC interface.
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| 46 | PFNMIDI_SENDBYTE pfnSendByte;
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| 47 | PFNMIDI_SENDSTRING pfnSendString;
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| 48 | PFNMIDI_DEREGISTER pfnDeregister;
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| 49 |
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| 50 | // Methods
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| 51 |
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| 52 | // Writes byte to data port. Returns 0 if failure, 1 on success
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| 53 | virtual int writeByte(BYTE);
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| 54 |
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| 55 | // Read data port. Data read is in LSB with MSB==0 on good read.
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| 56 | // Returns -1 on err.
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| 57 | virtual int readByte(void);
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| 58 |
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| 59 | // Device caps for MMPM/2 IOCTL interface.
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| 60 | virtual void DevCaps(PAUDIO_CAPS pCaps);
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| 61 |
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| 62 | // Start and stop hardware operating.
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| 63 | virtual int Start(STREAM *stream) = 0;
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| 64 | virtual int Stop(STREAM *stream) = 0;
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| 65 |
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| 66 | // Standard MIDI channel commands.
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| 67 | virtual void noteOff( BYTE mchan, BYTE note, BYTE velocity ) = 0;
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| 68 | virtual void noteOn( BYTE mchan, BYTE note, BYTE velocity ) = 0;
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| 69 | virtual void polyphonicPressure( BYTE mchan, BYTE note, BYTE value ) = 0;
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| 70 | virtual void controlChange( BYTE mchan, BYTE control_number, BYTE value ) = 0;
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| 71 | virtual void programChange( BYTE mchan, BYTE program_number ) = 0;
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| 72 | virtual void channelPressure( BYTE mchan, BYTE value ) = 0;
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| 73 | virtual void pitchBend( BYTE mchan, BYTE value_lsb, BYTE value_msb ) = 0;
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| 74 |
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| 75 | // Services provided to the RTMIDI interface.
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| 76 | virtual USHORT RTMIDI_OpenReceive(void);
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| 77 | virtual USHORT RTMIDI_OpenSend(void);
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| 78 | virtual USHORT RTMIDI_CloseReceive(void);
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| 79 | virtual USHORT RTMIDI_CloseSend(void);
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| 80 |
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| 81 | // Timer association.
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| 82 | inline TIMER* getTimer( void ) { return _pTimer; }
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| 83 |
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| 84 | private:
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| 85 | TIMER* _pTimer; // Timer associated with this hardware.
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| 86 |
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| 87 | };
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| 88 |
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| 89 | #endif
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