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MIDIOS2.H
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C/C++ Source or Header
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1993-01-25
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2KB
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59 lines
/*static char *SCCSID = "@(#)midi.h 13.11 92/04/13";*/
/**************************START OF SPECIFICATIONS **************************/
/* */
/* Module NAME: MIDI.H */
/* */
/* */
/* OS/2 2.0 Multimedia Extensions Midi structures and definitions */
/* */
/* Copyright (c) International Business Machines Corporation 1990,1991 */
/* All Rights Reserved */
/************************** END OF SPECIFICATIONS ***************************/
#define STATUS_BIT 0x80
#define TRACK_OFF 0
#define TRACK_ON 1
#define NORMAL_SYSEX 0xf0
#define ESCAPE_SYSEX 0xf7
#define META 0xff
/* Meta stuff */
/* user defined messages for IO PROC */
#define MMIO_SEQ MMIOM_USER + 1
#define MMIO_MERGE MMIOM_USER + 2
#define MMIO_FROM_SEQ MMIOM_USER + 3
#define MMIO_TIMED_READ MMIOM_USER + 4
#define MMIO_SET_TRACKS MMIOM_USER + 5
#define MMIO_FORMAT_0 MMIOM_USER + 6
#define MMIO_GETHEADER MMIOM_GETHEADER
#define MMIOM_GETFILELENGTH MMIOM_USER + 10
#define MMIOM_GETTRACKLENGTH MMIOM_USER + 11
#pragma pack(1)
typedef struct _MIDIHEADER { /* midiheader */
CHAR chHeaderChunk[ 4 ];
ULONG ulHeaderLength;
USHORT usFormat;
USHORT usNumTracks;
USHORT usDivision;
void *vpAdditionalInformation;
} MIDIHEADER;
typedef struct _MMMIDIHEADER { /* mmmidiheader */
ULONG ulHeaderLength; /* Length in Bytes */
ULONG ulContentType; /* Image content */
ULONG ulMediaType; /* type of media */
MIDIHEADER midiheader; /* header */
} MMMIDIHEADER;
#pragma pack()
typedef MMMIDIHEADER *PMMMIDIHEADER;