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276 lines
10 KiB
C
276 lines
10 KiB
C
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/************************************************************
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Created: Tuesday, January 8, 1991 at 10:53 AM
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MIDI.h
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C Interface to the Macintosh Libraries
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Copyright © 1988-1990, Apple Computer, Inc.
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All Rights Reserved
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************************************************************/
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#ifndef __MIDI__
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#define __MIDI__
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#ifndef __TYPES__
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#include <Types.h>
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#endif
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enum {
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#define midiToolNum 4 /*tool number of MIDI Manager for SndDispVersion call*/
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midiMaxNameLen = 31, /*maximum number of characters in port and client names*/
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/* Time formats */
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midiFormatMSec = 0, /*milliseconds*/
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midiFormatBeats = 1, /*beats*/
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midiFormat24fpsBit = 2, /*24 frames/sec.*/
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midiFormat25fpsBit = 3, /*25 frames/sec.*/
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midiFormat30fpsDBit = 4, /*30 frames/sec. drop-frame*/
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midiFormat30fpsBit = 5, /*30 frames/sec.*/
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midiFormat24fpsQF = 6, /*24 frames/sec. longInt format */
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midiFormat25fpsQF = 7, /*25 frames/sec. longInt format */
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midiFormat30fpsDQF = 8, /*30 frames/sec. drop-frame longInt format */
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midiFormat30fpsQF = 9, /*30 frames/sec. longInt format */
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midiInternalSync = 0, /*internal sync*/
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midiExternalSync = 1, /*external sync*/
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/* Port types*/
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midiPortTypeTime = 0, /*time port*/
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midiPortTypeInput = 1, /*input port*/
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midiPortTypeOutput = 2, /*output port*/
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midiPortTypeTimeInv = 3, /*invisible time port*/
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/* OffsetTimes */
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midiGetEverything = 0x7FFFFFFF, /*get all packets, regardless of time stamps*/
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midiGetNothing = 0x80000000, /*get no packets, regardless of time stamps*/
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midiGetCurrent = 0x00000000 /*get current packets only*/
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};
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enum {
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/* MIDI data and messages are passed in MIDIPacket records (see below).
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The first byte of every MIDIPacket contains a set of flags
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bits 0-1 00 = new MIDIPacket, not continued
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01 = begining of continued MIDIPacket
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10 = end of continued MIDIPacket
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11 = continuation
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bits 2-3 reserved
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bits 4-6 000 = packet contains MIDI data
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001 = packet contains MIDI Manager message
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bit 7 0 = MIDIPacket has valid stamp
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1 = stamp with current clock */
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midiContMask = 0x03,
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midiNoCont = 0x00,
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midiStartCont = 0x01,
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midiMidCont = 0x03,
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midiEndCont = 0x02,
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midiTypeMask = 0x70,
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midiMsgType = 0x00,
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midiMgrType = 0x10,
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midiTimeStampMask = 0x80,
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midiTimeStampCurrent = 0x80,
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midiTimeStampValid = 0x00,
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/* MIDI Manager MIDIPacket command words (the first word in the data field
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for midiMgrType messages) */
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midiOverflowErr = 0x0001,
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midiSCCErr = 0x0002,
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midiPacketErr = 0x0003,
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midiMaxErr = 0x00FF, /*all command words less than this value are error indicators*/
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/* Valid results to be returned by readHooks */
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midiKeepPacket = 0,
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midiMorePacket = 1,
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midiNoMorePacket = 2,
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/* Errors: */
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midiNoClientErr = -250, /*no client with that ID found*/
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midiNoPortErr = -251 /*no port with that ID found*/
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};
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enum {
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midiTooManyPortsErr = -252, /*too many ports already installed in the system*/
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midiTooManyConsErr = -253, /*too many connections made*/
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midiVConnectErr = -254, /*pending virtual connection created*/
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midiVConnectMade = -255, /*pending virtual connection resolved*/
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midiVConnectRmvd = -256, /*pending virtual connection removed*/
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midiNoConErr = -257, /*no connection exists between specified ports*/
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midiWriteErr = -258, /*MIDIWritePacket couldn't write to all connected ports*/
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midiNameLenErr = -259, /*name supplied is longer than 31 characters*/
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midiDupIDErr = -260, /*duplicate client ID*/
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midiInvalidCmdErr = -261, /*command not supported for port type*/
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/* Driver calls: */
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midiOpenDriver = 1,
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midiCloseDriver = 2
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};
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struct MIDIPacket {
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unsigned char flags;
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unsigned char len;
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long tStamp;
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unsigned char data[249];
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};
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typedef struct MIDIPacket MIDIPacket;
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typedef MIDIPacket *MIDIPacketPtr;
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struct MIDIClkInfo {
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short sync; /*synchronization external/internal*/
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long curTime; /*current value of port's clock*/
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short format; /*time code format*/
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};
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typedef struct MIDIClkInfo MIDIClkInfo;
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struct MIDIIDRec {
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OSType clientID;
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OSType portID;
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};
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typedef struct MIDIIDRec MIDIIDRec;
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struct MIDIPortInfo {
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short portType; /*type of port*/
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MIDIIDRec timeBase; /*MIDIIDRec for time base*/
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short numConnects; /*number of connections*/
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MIDIIDRec cList[1]; /*ARRAY [1..numConnects] of MIDIIDRec*/
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};
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typedef struct MIDIPortInfo MIDIPortInfo;
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typedef MIDIPortInfo *MIDIPortInfoPtr, **MIDIPortInfoHdl;
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struct MIDIPortParams {
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OSType portID; /*ID of port, unique within client*/
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short portType; /*Type of port - input, output, time, etc.*/
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short timeBase; /*refnum of time base, 0 if none*/
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long offsetTime; /*offset for current time stamps*/
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Ptr readHook; /*routine to call when input data is valid*/
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long refCon; /*refcon for port (for client use)*/
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MIDIClkInfo initClock; /*initial settings for a time base*/
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Str255 name; /*name of the port, This is a real live string, not a ptr.*/
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};
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typedef struct MIDIPortParams MIDIPortParams;
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typedef MIDIPortParams *MIDIPortParamsPtr;
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struct MIDIIDList {
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short numIDs;
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OSType list[1];
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};
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typedef struct MIDIIDList MIDIIDList;
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typedef MIDIIDList *MIDIIDListPtr, **MIDIIDListHdl;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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Prototype Declarations for readHook and timeProc
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extern pascal short myReadHook(MIDIPacketPtr myPacket, long myRefCon);
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extern pascal void myTimeProc(long curTime, long myRefCon);
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MIDI Manager Routines
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*/
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pascal long SndDispVersion(short toolnum);
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pascal OSErr MIDISignIn(OSType clientID,long refCon,Handle icon,ConstStr255Param name)
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= {0x203C,0x0004,midiToolNum,0xA800};
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pascal void MIDISignOut(OSType clientID)
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= {0x203C,0x0008,midiToolNum,0xA800};
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pascal MIDIIDListHdl MIDIGetClients(void)
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= {0x203C,0x000C,midiToolNum,0xA800};
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pascal void MIDIGetClientName(OSType clientID,Str255 name)
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= {0x203C,0x0010,midiToolNum,0xA800};
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pascal void MIDISetClientName(OSType clientID,ConstStr255Param name)
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= {0x203C,0x0014,midiToolNum,0xA800};
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pascal MIDIIDListHdl MIDIGetPorts(OSType clientID)
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= {0x203C,0x0018,midiToolNum,0xA800};
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pascal OSErr MIDIAddPort(OSType clientID,short BufSize,short *refnum,MIDIPortParamsPtr init)
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= {0x203C,0x001C,midiToolNum,0xA800};
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pascal MIDIPortInfoHdl MIDIGetPortInfo(OSType clientID,OSType portID)
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= {0x203C,0x0020,midiToolNum,0xA800};
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pascal OSErr MIDIConnectData(OSType srcClID,OSType srcPortID,OSType dstClID,
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OSType dstPortID)
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= {0x203C,0x0024,midiToolNum,0xA800};
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pascal OSErr MIDIUnConnectData(OSType srcClID,OSType srcPortID,OSType dstClID,
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OSType dstPortID)
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= {0x203C,0x0028,midiToolNum,0xA800};
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pascal OSErr MIDIConnectTime(OSType srcClID,OSType srcPortID,OSType dstClID,
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OSType dstPortID)
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= {0x203C,0x002C,midiToolNum,0xA800};
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pascal OSErr MIDIUnConnectTime(OSType srcClID,OSType srcPortID,OSType dstClID,
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OSType dstPortID)
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= {0x203C,0x0030,midiToolNum,0xA800};
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pascal void MIDIFlush(short refnum)
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= {0x203C,0x0034,midiToolNum,0xA800};
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pascal ProcPtr MIDIGetReadHook(short refnum)
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= {0x203C,0x0038,midiToolNum,0xA800};
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pascal void MIDISetReadHook(short refnum,ProcPtr hook)
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= {0x203C,0x003C,midiToolNum,0xA800};
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pascal void MIDIGetPortName(OSType clientID,OSType portID,Str255 name)
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= {0x203C,0x0040,midiToolNum,0xA800};
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pascal void MIDISetPortName(OSType clientID,OSType portID,ConstStr255Param name)
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= {0x203C,0x0044,midiToolNum,0xA800};
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pascal void MIDIWakeUp(short refnum,long time,long period,ProcPtr timeProc)
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= {0x203C,0x0048,midiToolNum,0xA800};
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pascal void MIDIRemovePort(short refnum)
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= {0x203C,0x004C,midiToolNum,0xA800};
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pascal short MIDIGetSync(short refnum)
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= {0x203C,0x0050,midiToolNum,0xA800};
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pascal void MIDISetSync(short refnum,short sync)
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= {0x203C,0x0054,midiToolNum,0xA800};
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pascal long MIDIGetCurTime(short refnum)
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= {0x203C,0x0058,midiToolNum,0xA800};
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pascal void MIDISetCurTime(short refnum,long time)
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= {0x203C,0x005C,midiToolNum,0xA800};
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pascal void MIDIStartTime(short refnum)
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= {0x203C,0x0060,midiToolNum,0xA800};
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pascal void MIDIStopTime(short refnum)
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= {0x203C,0x0064,midiToolNum,0xA800};
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pascal void MIDIPoll(short refnum,long offsetTime)
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= {0x203C,0x0068,midiToolNum,0xA800};
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pascal OSErr MIDIWritePacket(short refnum,MIDIPacketPtr packet)
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= {0x203C,0x006C,midiToolNum,0xA800};
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pascal Boolean MIDIWorldChanged(OSType clientID)
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= {0x203C,0x0070,midiToolNum,0xA800};
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pascal long MIDIGetOffsetTime(short refnum)
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= {0x203C,0x0074,midiToolNum,0xA800};
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pascal void MIDISetOffsetTime(short refnum,long offsetTime)
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= {0x203C,0x0078,midiToolNum,0xA800};
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pascal long MIDIConvertTime(short srcFormat,short dstFormat,long time)
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= {0x203C,0x007C,midiToolNum,0xA800};
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pascal long MIDIGetRefCon(short refnum)
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= {0x203C,0x0080,midiToolNum,0xA800};
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pascal void MIDISetRefCon(short refnum,long refCon)
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= {0x203C,0x0084,midiToolNum,0xA800};
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pascal long MIDIGetClRefCon(OSType clientID)
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= {0x203C,0x0088,midiToolNum,0xA800};
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pascal void MIDISetClRefCon(OSType clientID,long refCon)
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= {0x203C,0x008C,midiToolNum,0xA800};
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pascal short MIDIGetTCFormat(short refnum)
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= {0x203C,0x0090,midiToolNum,0xA800};
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pascal void MIDISetTCFormat(short refnum,short format)
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= {0x203C,0x0094,midiToolNum,0xA800};
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pascal void MIDISetRunRate(short refnum,short rate,long time)
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= {0x203C,0x0098,midiToolNum,0xA800};
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pascal Handle MIDIGetClientIcon(OSType clientID)
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= {0x203C,0x009C,midiToolNum,0xA800};
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#ifdef __cplusplus
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}
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#endif
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#endif
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