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517 lines
17 KiB
517 lines
17 KiB
/**********************************************************************
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Copyright (C) 1992-1993 Microsoft Corporation. All Rights Reserved.
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midimap.h
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DESCRIPTION:
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Main private include file for the MIDI mapper.
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*********************************************************************/
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#ifndef _MIDIMAP_
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#define _MIDIMAP_
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//
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// The following macro defines a CODE based pointer to data, which
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// is used for constants that do not need to be placed in the read/write
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// DATA segment.
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//
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#ifdef WIN32
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#define __based(a)
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#endif
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#ifdef WIN32
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#define BCODE
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#define BSTACK
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#else
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#define BCODE __based(__segname("_CODE"))
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#define BSTACK __based(__segname("_STACK"))
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#endif
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// Defines Win95 stuff not supported in NT 4.0
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// Remove as soon as it is supported
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#include "mmcompat.h"
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//
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// Macro definitions
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//
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#ifdef DEBUG
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#define PRIVATE
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#else
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#define PRIVATE static
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#endif
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#ifndef ARRAYSIZE
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#define ARRAYSIZE(a) (sizeof((a))/sizeof((a)[0]))
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#endif
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#define DEF_TRANS_SIZE 512
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#define DEF_CHAN_PER_INST 8
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#define FNLOCAL NEAR PASCAL
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#define FNGLOBAL FAR PASCAL
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//#define FNEXPORT FAR PASCAL __export
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#define FNEXPORT FAR PASCAL
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#define VERSION_MINOR 0x01
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#define VERSION_MAJOR 0x04
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#define MMAPPER_VERSION ((DWORD)(WORD)((BYTE)VERSION_MINOR | (((WORD)(BYTE)VERSION_MAJOR) << 8)))
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// Indices 3,4,5 into LPMIDIHDR->dwReserved[] are reserved for MIDI mapper
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//
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#define MH_MAPINST 3 // Mapper instance owning this header
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#define MH_SHADOW 4 // Cross links between parent/child
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#define MH_SHADOWEE 4 // shadow headers
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#define MH_LMREFCNT 5 // Long message reference count
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#define MAX_CHANNELS 16
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#define ALL_CHANNELS (0xFFFF) // Channel mask
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#define DRUM_CHANNEL 9
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#define MAX_CHAN_TYPES 2
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#define IDX_CHAN_GEN 0
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#define IDX_CHAN_DRUM 1
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#define CB_MAXDRIVER 64
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#define CB_MAXSCHEME 64
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#define CB_MAXINSTR 64
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#define CB_MAXALIAS 64
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#define CB_MAXDEVKEY 64
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#define CB_MAXPATH 256
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#define CB_MAXDEFINITION (256+64+2) // file<instrument>
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#define NO_DEVICEID ((UINT)-2)
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#define MSG_STATUS(dw) ((BYTE)((dw) & 0xFF))
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#define MSG_PARM1(dw) ((BYTE)(((dw) >> 8) & 0xFF))
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#define MSG_PARM2(dw) ((BYTE)(((dw) >> 16) & 0xFF))
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#define MSG_PACK1(bs,b1) ((DWORD)((((DWORD)(b1)) << 8) | ((DWORD)(bs))))
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#define MSG_PACK2(bs,b1,b2) ((DWORD)((((DWORD)(b2)) << 16) | (((DWORD)(b1)) << 8) | ((DWORD)(bs))))
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#define IS_STATUS(b) ((b) & 0x80)
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#define MSG_EVENT(b) ((b) & 0xF0)
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#define MSG_CHAN(b) ((b) & 0x0F)
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#define MIDI_NOTEOFF ((BYTE)0x80)
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#define MIDI_NOTEON ((BYTE)0x90)
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#define MIDI_POLYPRESSURE ((BYTE)0xA0)
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#define MIDI_CONTROLCHANGE ((BYTE)0xB0)
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#define MIDI_PROGRAMCHANGE ((BYTE)0xC0)
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#define MIDI_CHANPRESSURE ((BYTE)0xD0)
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#define MIDI_PITCHBEND ((BYTE)0xE0)
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#define MIDI_SYSEX ((BYTE)0xF0)
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#define MIDI_QFRAME ((BYTE)0xF1)
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#define MIDI_SONGPOINTER ((BYTE)0xF2)
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#define MIDI_SONGSELECT ((BYTE)0xF3)
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#define MIDI_F4 ((BYTE)0xF4)
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#define MIDI_F5 ((BYTE)0xF5)
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#define MIDI_TUNEREQUEST ((BYTE)0xF6)
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#define MIDI_SYSEXEND ((BYTE)0xF7)
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#define MIDI_TIMINGCLOCK ((BYTE)0xF8)
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#define MIDI_F9 ((BYTE)0xF9)
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#define MIDI_START ((BYTE)0xFA)
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#define MIDI_CONTINUE ((BYTE)0xFB)
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#define MIDI_STOP ((BYTE)0xFC)
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#define MIDI_FD ((BYTE)0xFD)
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#define MIDI_ACTIVESENSING ((BYTE)0xFE)
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#define MIDI_META ((BYTE)0xFF)
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#define DWORD_ROUND(x) (((x)+3L)&~3L)
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// Global flags in gwFlags
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//
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#define GF_ENABLED 0x0001
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#define GF_CONFIGERR 0x0002
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#define GF_NEEDRUNONCE 0x0004
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#define GF_DONERUNONCE 0x0008
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#define GF_DEVSOPENED 0x0010
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#define GF_RECONFIGURE 0x0020
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#define GF_INRUNONCE 0x0040
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#define GF_ALLOWVOLUME 0x0080
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#define GF_ALLOWCACHE 0x0100
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#define SET_ENABLED {gwFlags |= GF_ENABLED;}
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#define CLR_ENABLED {gwFlags &=~GF_ENABLED;}
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#define IS_ENABLED (gwFlags & GF_ENABLED)
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#define SET_CONFIGERR {gwFlags |= GF_CONFIGERR;}
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#define CLR_CONFIGERR {gwFlags &=~GF_CONFIGERR;}
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#define IS_CONFIGERR (gwFlags & GF_CONFIGERR)
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#define SET_NEEDRUNONCE {gwFlags |= GF_NEEDRUNONCE;}
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#define CLR_NEEDRUNONCE {gwFlags &=~GF_NEEDRUNONCE;}
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#define IS_NEEDRUNONCE (gwFlags & GF_NEEDRUNONCE)
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#define SET_DONERUNONCE {gwFlags |= GF_DONERUNONCE;}
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#define CLR_DONERUNONCE {gwFlags &=~GF_DONERUNONCE;}
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#define IS_DONERUNONCE (gwFlags & GF_DONERUNONCE)
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#define SET_DEVSOPENED {gwFlags |= GF_DEVSOPENED;}
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#define CLR_DEVSOPENED {gwFlags &=~GF_DEVSOPENED;}
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#define IS_DEVSOPENED (gwFlags & GF_DEVSOPENED)
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#define SET_RECONFIGURE {gwFlags |= GF_RECONFIGURE;}
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#define CLR_RECONFIGURE {gwFlags &=~GF_RECONFIGURE;}
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#define IS_RECONFIGURE (gwFlags & GF_RECONFIGURE)
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#define SET_INRUNONCE {gwFlags |= GF_INRUNONCE;}
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#define CLR_INRUNONCE {gwFlags &=~GF_INRUNONCE;}
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#define IS_INRUNONCE (gwFlags & GF_INRUNONCE)
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#define SET_ALLOWVOLUME {gwFlags |= GF_ALLOWVOLUME;}
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#define CLR_ALLOWVOLUME {gwFlags &=~GF_ALLOWVOLUME;}
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#define IS_ALLOWVOLUME (gwFlags & GF_ALLOWVOLUME)
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#define SET_ALLOWCACHE {gwFlags |= GF_ALLOWCACHE;}
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#define CLR_ALLOWCACHE {gwFlags &=~GF_ALLOWCACHE;}
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#define IS_ALLOWCACHE (gwFlags & GF_ALLOWCACHE)
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//=========================== Typedef's=====================================
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//
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typedef struct tagQUEUE NEAR *PQUEUE;
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typedef struct tagQUEUEELE NEAR *PQUEUEELE;
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typedef struct tagCHANINIT NEAR *PCHANINIT;
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typedef struct tagCHANNEL NEAR *PCHANNEL;
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typedef struct tagPORT NEAR *PPORT;
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typedef struct tagINSTRUMENT NEAR *PINSTRUMENT;
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typedef struct tagINSTPORT NEAR *PINSTPORT;
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typedef struct tagINSTANCE NEAR *PINSTANCE;
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typedef struct tagCOOKSYNCOBJ NEAR *PCOOKSYNCOBJ;
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typedef struct tagQUEUE
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{
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CRITICAL_SECTION cs;
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PQUEUEELE pqeFront;
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PQUEUEELE pqeRear;
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DWORD cEle;
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} QUEUE;
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#define QueueIsEmpty(q) (NULL == (q)->pqeFront)
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#define QueueCount(q) ((q)->cEle)
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typedef struct tagQUEUEELE
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{
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PQUEUEELE pqePrev;
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PQUEUEELE pqeNext;
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UINT uPriority;
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} QUEUEELE;
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typedef struct tagCHANINIT
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{
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DWORD cbInit;
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PBYTE pbInit;
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} CHANINIT;
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// Flags for this channel which indicate what type of channel it is
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// and whether or not it's allocated.
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//
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#define CHAN_F_OPEN (0x0001)
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#define CHAN_F_ALLOCATED (0x0002)
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#define CHAN_F_DRUM (0x0004)
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#define CHAN_F_GENERAL (0x0008)
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#define CHAN_F_MUTED (0x0010)
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typedef struct tagCHANNEL
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{
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// QUEUEELE q; // !!! MUST BE FIRST !!!
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PPORT pport;
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WORD fwChannel;
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UINT uChannel; // This physical channel #
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PINSTRUMENT pinstrument; // -> IDF describing this channel
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PBYTE pbPatchMap; // In use patch map
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PBYTE pbKeyMap; // In use key map
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DWORD dwStreamID; // Stream ID if cooked
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} CHANNEL;
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#define PORT_F_REMOVE (0x0001)
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#define PORT_F_HASDRUMCHANNEL (0x0002)
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#define PORT_F_OPENFAILED (0x0004)
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#define PORT_F_RESET (0x0008)
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#define PORT_F_GENERICINSTR (0x0010)
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typedef struct tagPORT
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{
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PPORT pNext;
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UINT cRef;
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WORD fwPort;
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WORD wChannelMask;
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UINT uDeviceID;
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HMIDIOUT hmidi;
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} PORT;
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#define IDF_F_GENERICINSTR (0x80000000L)
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typedef struct tagINSTRUMENT
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{
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PINSTRUMENT pNext;
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LPTSTR pstrFilename; // Filename of IDF
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LPTSTR pstrInstrument; // Instrument name from IDF
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UINT cRef; // # ports which are using this IDF
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DWORD fdwInstrument;
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DWORD dwGeneralMask;
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DWORD dwDrumMask;
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PBYTE pbPatchMap; // -> 128 bytes of patch map
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PBYTE pbDrumKeyMap; // -> 128 bytes of key map
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PBYTE pbGeneralKeyMap; // -> 128 bytes of key map
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CHANINIT rgChanInit[MAX_CHANNELS];
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} INSTRUMENT;
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#define INST_F_TIMEDIV (0x0001) // Instance has received MIDIPROP_TIMEDIV
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#define INST_F_TEMPO (0x0002) // Instance has received MIDIPROP_TEMPO
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#define INST_F_IOCTL (0x0004) // IOCTL open
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typedef struct tagINSTANCE
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{
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PINSTANCE pNext;
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// Crap we gotta save so we can do callbacks
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//
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HMIDI hmidi; // MMSYSTEM's handle
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DWORD dwCallback; // Callback address
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DWORD dwInstance; // User instance data
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DWORD fdwOpen; // Describe the callback & open mode
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QUEUE qCookedHdrs; // Cooked headers pending to be sent
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WORD fwInstance; // Instance flags
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BYTE bRunningStatus; // Need to track running status
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// Translation Buffer
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CRITICAL_SECTION csTrans; // Critical Section for Translation buffer
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LPBYTE pTranslate; // Buffer For Translating MODM_LONGDATA messages
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DWORD cbTransSize; // Current Translation buffer size
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} INSTANCE;
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#if 0
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typedef struct tagCOOKINSTANCE
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{
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INSTANCE inst; // Common instance data
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UINT cInstPort; // # ports in use on instance
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INSTPORT rginstport[MAX_CHANNELS];
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DWORD dwTimeDiv; // MIDIPROP_TIMEDIV
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DWORD dwTempo; // MIDIPROP_TEMPO
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} COOKINSTANCE;
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#endif
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typedef struct tagCOOKSYNCOBJ
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{
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QUEUEELE q; // !!! MUST BE FIRST !!!
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LPMIDIHDR lpmh; // First of our shadow headers
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LPMIDIHDR lpmhUser; // Original user header
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PINSTANCE pinstance; // Owning pinstance
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UINT cLPMH; // # allocated
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UINT cSync; // # outstanding
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} COOKSYNCOBJ;
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typedef struct tagSHADOWBLOCK
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{
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LPMIDIHDR lpmhShadow;
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DWORD cRefCnt;
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DWORD dwBufferLength;
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} SHADOWBLOCK, *PSHADOWBLOCK;
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#define DRV_GETMAPPERSTATUS (DRV_USER+3)
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#define DRV_REGISTERDEBUGCB (DRV_USER+4)
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#define DRV_GETNEXTLOGENTRY (DRV_USER+5)
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typedef struct tagMAPPERSTATUS
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{
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DWORD cbStruct;
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#ifndef WIN32
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__segment DS;
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#endif
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HINSTANCE ghinst;
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WORD gwFlags;
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WORD gwConfigWhere;
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PCHANNEL* pgapChannel;
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PPORT gpportList;
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PINSTANCE gpinstanceList;
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PINSTRUMENT gpinstrumentList;
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LPTSTR lpszVersion;
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} MAPPERSTATUS,
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FAR *LPMAPPERSTATUS;
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//=========================== Globals ======================================
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//
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extern PCHANNEL gapChannel[];
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extern WORD gwFlags;
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extern WORD gwConfigWhere;
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extern UINT gcPorts;
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extern HINSTANCE ghinst;
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extern PPORT gpportList;
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extern PINSTANCE gpinstanceList;
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extern PINSTANCE gpIoctlInstance;
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extern PINSTRUMENT gpinstrumentList;
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extern QUEUE gqFreeSyncObjs;
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extern HMIDISTRM ghMidiStrm;
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extern DWORD gdwVolume;
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//=========================== Prototypes ===================================
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//
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extern BOOL FNGLOBAL UpdateInstruments( // config.c
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BOOL fFromCPL,
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DWORD fdwUpdate);
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extern BOOL FNGLOBAL Configure( // config.c
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DWORD fdwUpdate);
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extern BOOL FNLOCAL AddPort( // config.c
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UINT uDeviceID,
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UINT uPorts,
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PSTR szSysIniEntry);
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extern void FNGLOBAL SyncDeviceIDs( // config.c
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void);
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extern LPIDFHEADER FNLOCAL ReadHeaderChunk( // file.c
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HMMIO hmmio,
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LPMMCKINFO pchkParent);
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extern LPIDFINSTCAPS FNLOCAL ReadCapsChunk( // file.c
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HMMIO hmmio,
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LPMMCKINFO pchkParent);
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extern LPIDFCHANNELHDR FNLOCAL ReadChannelChunk( // file.c
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HMMIO hmmio,
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LPMMCKINFO pchkParent,
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LPIDFCHANNELINFO BSTACK rglpChanInfo[]);
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extern LPIDFPATCHMAPHDR FNLOCAL ReadPatchMapChunk( // file.c
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HMMIO hmmio,
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LPMMCKINFO pchkParent);
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extern void FNLOCAL ReadKeyMapChunk( // file.c
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HMMIO hmmio,
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LPMMCKINFO pchkParent,
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LPIDFKEYMAP BSTACK rglpIDFkeymap[]);
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extern void CALLBACK _loadds modmCallback( // modfix.c
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HMIDIOUT hmo,
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WORD wmsg,
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DWORD dwInstance,
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DWORD dwParam1,
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DWORD dwParam2);
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#define MSE_F_SENDEVENT (0x0000L)
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#define MSE_F_RETURNEVENT (0x0001L)
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extern DWORD FNGLOBAL MapSingleEvent( // modfix.c
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PINSTANCE pinstance,
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DWORD dwData,
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DWORD fdwFlags,
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DWORD BSTACK * pdwStreamID);
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extern DWORD FNLOCAL modLongMsg( // modfix.c
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PINSTANCE pinstance,
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LPMIDIHDR lpmh);
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extern MMRESULT FNGLOBAL MapCookedBuffer( // cookmap.c
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PINSTANCE pinstance,
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LPMIDIHDR lpmh);
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extern DWORD FNGLOBAL modGetDevCaps( // modmsg.c
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LPMIDIOUTCAPS pmoc,
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DWORD cbmoc);
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extern DWORD FNGLOBAL modOpen( // modmsg.c
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LPDWORD lpdwInstance,
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LPMIDIOPENDESC lpmidiopendesc,
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DWORD fdwOpen);
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extern BOOL FNGLOBAL CanChannelBeDrum( // modmsg.c
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PQUEUEELE pqe);
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extern DWORD FNGLOBAL modClose( // modmsg.c
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PINSTANCE pinstance);
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extern DWORD FNGLOBAL modPrepare(
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LPMIDIHDR lpmh); // modmsg.c
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extern DWORD FNGLOBAL modUnprepare( // modmsg.c
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LPMIDIHDR lpmh);
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extern DWORD FNGLOBAL modGetPosition( // modmsg.c
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PINSTANCE pinstance,
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LPMMTIME lpmmt,
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DWORD cbmmt);
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extern DWORD FNGLOBAL modSetVolume( // modmsg.c
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DWORD dwVolume);
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extern void FNGLOBAL QueueInit( // queue.c
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PQUEUE pq);
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extern void FNGLOBAL QueueCleanup( // queue.c
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PQUEUE pq);
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extern void FNGLOBAL QueuePut( // queue.c
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PQUEUE pq,
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PQUEUEELE pqe,
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UINT uPriority);
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extern PQUEUEELE FNGLOBAL QueueGet( // queue.c
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PQUEUE pq);
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extern BOOL FNGLOBAL QueueRemove( // queue.c
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PQUEUE pq,
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PQUEUEELE pqe);
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typedef BOOL (FNGLOBAL *FNFILTER)(PQUEUEELE);
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extern PQUEUEELE FNGLOBAL QueueGetFilter( // queue.c
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PQUEUE pq,
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FNFILTER fnf);
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extern void FNGLOBAL LockMapperData( // locks.c
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void);
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extern void FNGLOBAL UnlockMapperData( // locks.c
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void);
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extern void FNGLOBAL LockPackedMapper( // locks.c
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void);
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extern void FNGLOBAL UnlockPackedMapper( // locks.c
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void);
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extern void FNGLOBAL LockCookedMapper( // locks.c
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void);
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extern void FNGLOBAL UnlockCookedMapper( // locks.c
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void);
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extern void FNGLOBAL mdev_Free( // mididev.c
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void);
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extern BOOL FNGLOBAL mdev_Init( // mididev.c
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void);
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UINT FNGLOBAL mdev_GetDeviceID( // mididev.c
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LPTSTR pszAlias);
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BOOL FNGLOBAL mdev_GetAlias( // mididev.c
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UINT uDeviceID,
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LPTSTR pszBuffer,
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UINT cchSize);
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BOOL FNGLOBAL mdev_NewDrivers( // mididev.c
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void);
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// Translation buffer stuff for MODM_LONGDATA
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BOOL FNGLOBAL InitTransBuffer (PINSTANCE pinstance);
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BOOL FNGLOBAL CleanupTransBuffer (PINSTANCE pinstance);
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LPBYTE FNGLOBAL AccessTransBuffer (PINSTANCE pinstance);
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void FNGLOBAL ReleaseTransBuffer (PINSTANCE pinstance);
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BOOL FNGLOBAL GrowTransBuffer (PINSTANCE pinstance, DWORD cbNewSize);
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#endif
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