393 lines
12 KiB
C
393 lines
12 KiB
C
|
//************************************************************************
|
||
|
|
//**
|
||
|
|
//** THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
|
||
|
|
//** ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED
|
||
|
|
//** TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR
|
||
|
|
//** A PARTICULAR PURPOSE.
|
||
|
|
//**
|
||
|
|
//** Copyright (c) 1993-1995 Microsoft Corporation
|
||
|
|
//**
|
||
|
|
//** IDF.h
|
||
|
|
//**
|
||
|
|
//** DESCRIPTION:
|
||
|
|
//** This file contains the format of the .IDF files.
|
||
|
|
//**
|
||
|
|
//** HISTORY:
|
||
|
|
//** 04/29/93 created.
|
||
|
|
//** 07/04/93 added UNICODE for displayable strings.
|
||
|
|
//** 09/04/93 added keymaps.
|
||
|
|
//** 09/05/93 added ID's for channel types.
|
||
|
|
//**
|
||
|
|
//************************************************************************
|
||
|
|
|
||
|
|
/*
|
||
|
|
@doc EXTERNAL SDK
|
||
|
|
|
||
|
|
@types IDFHEADER |
|
||
|
|
This is the format of the "hdr " chunk in a Microsoft IDF file.
|
||
|
|
This will be the first subchunk of a "MMAP" list chunk. This will
|
||
|
|
provide information on the IDF itself; what version, who created it,
|
||
|
|
and a unique ASCII ID for the instrument.
|
||
|
|
|
||
|
|
@field DWORD | cbStruct |
|
||
|
|
This is the inclusive size of the header structure.
|
||
|
|
|
||
|
|
@field DWORD | dwVersion |
|
||
|
|
This is the version of the IDF file.
|
||
|
|
under.
|
||
|
|
|
||
|
|
@field DWORD | dwCreator |
|
||
|
|
This is the creator ID for the IDF.
|
||
|
|
|
||
|
|
@field DWORD | cbInstID |
|
||
|
|
This is the size of the unique instrument identifier including the NULL.
|
||
|
|
|
||
|
|
@field BYTE | abInstID[] |
|
||
|
|
This is the actual ASCII bytes of the unique instrument id. This _IS_
|
||
|
|
NULL terminated. There is no UNICODE version of this since this will
|
||
|
|
only be used internally and not displayed to the user.
|
||
|
|
|
||
|
|
@othertype IDFHEADER * | PIDFHEADER |
|
||
|
|
A memory model dependant pointer to the structure.
|
||
|
|
|
||
|
|
@othertype IDFHEADER FAR* | LPIDFHEADER |
|
||
|
|
A far pointer to the structure.
|
||
|
|
*/
|
||
|
|
|
||
|
|
typedef struct tag_IDFHEADER
|
||
|
|
{
|
||
|
|
DWORD cbStruct;
|
||
|
|
|
||
|
|
DWORD dwVersion;
|
||
|
|
DWORD dwCreator;
|
||
|
|
|
||
|
|
DWORD cbInstID;
|
||
|
|
BYTE abInstID[1];
|
||
|
|
} IDFHEADER, *PIDFHEADER, FAR *LPIDFHEADER;
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
@doc EXTERNAL SDK
|
||
|
|
|
||
|
|
@types IDFINSTINFO |
|
||
|
|
This is the format of the "inst" chunk in a Microsoft IDF file.
|
||
|
|
This chunk will contain information on the instrument, e.g. who
|
||
|
|
manufactured it, the name of the instrument, it's manufacturer and
|
||
|
|
product id's and a revision number.
|
||
|
|
|
||
|
|
@field DWORD | cbStruct |
|
||
|
|
This is the inclusive size of the instrument information structure.
|
||
|
|
|
||
|
|
@field DWORD | dwManufactID |
|
||
|
|
Manufacturer's ID.
|
||
|
|
|
||
|
|
@field DWORD | dwProductID |
|
||
|
|
Product's ID.
|
||
|
|
|
||
|
|
@field DWORD | dwRevision |
|
||
|
|
Revision of the product.
|
||
|
|
|
||
|
|
@field DWORD | cbManufactASCII |
|
||
|
|
Length of the ASCII version of the manufacturuers name.
|
||
|
|
|
||
|
|
@field DWORD | cbManufactUNICODE |
|
||
|
|
Length of the UNICODE version of the manufacturuers name.
|
||
|
|
|
||
|
|
@field DWORD | cbProductASCII |
|
||
|
|
Length of the ASCII version of the product name.
|
||
|
|
|
||
|
|
@field DWORD | cbProductUNICODE |
|
||
|
|
Length of the UNICODE version of the product name.
|
||
|
|
|
||
|
|
@field BYTE | abData[] |
|
||
|
|
Contains the ASCII and UNICODE strings for the manufacturer and product
|
||
|
|
names. NOTE that all strings are separated by a NULL and the NULL IS
|
||
|
|
counted in the string lengths.
|
||
|
|
|
||
|
|
@othertype IDFINSTINFO * | PIDFINSTINFO |
|
||
|
|
A memory model dependant pointer to the structure.
|
||
|
|
|
||
|
|
@othertype IDFINSTINFO FAR * | LPIDFINSTINFO |
|
||
|
|
A far pointer to the structure.
|
||
|
|
|
||
|
|
@comm The idea is that the cbManufactXXXXX and cbProductXXXXX will be the
|
||
|
|
offsets into the bData array of bytes and it will contain a complete
|
||
|
|
string that you can strcpy out. That is why the NULL is included in
|
||
|
|
the byte count and in the actual data.
|
||
|
|
*/
|
||
|
|
|
||
|
|
typedef struct tag_IDFINSTINFO
|
||
|
|
{
|
||
|
|
DWORD cbStruct;
|
||
|
|
|
||
|
|
DWORD dwManufactID;
|
||
|
|
DWORD dwProductID;
|
||
|
|
DWORD dwRevision;
|
||
|
|
|
||
|
|
DWORD cbManufactASCII;
|
||
|
|
DWORD cbManufactUNICODE;
|
||
|
|
DWORD cbProductASCII;
|
||
|
|
DWORD cbProductUNICODE;
|
||
|
|
|
||
|
|
BYTE abData[1];
|
||
|
|
} IDFINSTINFO, FAR *LPIDFINSTINFO;
|
||
|
|
|
||
|
|
/*
|
||
|
|
@doc EXTERNAL SDK
|
||
|
|
|
||
|
|
@types IDFINSTCAPS |
|
||
|
|
This is the format of the "caps" chunk in a Microsoft IDF file.
|
||
|
|
This chunk will contain information on the MIDI capabilities of
|
||
|
|
the device. e.g. basic channel of the instrument, number of channels
|
||
|
|
that the instrument has available. the polyphony of the instrument,
|
||
|
|
whether or not it supports General MIDI, etc....
|
||
|
|
|
||
|
|
@field DWORD | cbStruct |
|
||
|
|
This is the size of the capabilities structure.
|
||
|
|
|
||
|
|
@field DWORD | fdwFlags |
|
||
|
|
Flags specifiying additional capabilities of an instrument.
|
||
|
|
|
||
|
|
@flag IDFINSTCAPS_F_GENERAL_MIDI |
|
||
|
|
Instrument supports General MIDI.
|
||
|
|
|
||
|
|
@flag IDFINSTCAPS_F_SYSTEMEXCLUSIVE |
|
||
|
|
Instrument supports system exclusive messages
|
||
|
|
|
||
|
|
@field DWORD | dwBasicChannel |
|
||
|
|
The basic channel for the instrument.
|
||
|
|
|
||
|
|
@field DWORD | cNumChannels |
|
||
|
|
Number of channels that the instrument supports to.
|
||
|
|
|
||
|
|
@field DWORD | cInstrumentPolyphony |
|
||
|
|
The total polyphony for the instrument.
|
||
|
|
|
||
|
|
@field DWORD | cChannelPolyphony |
|
||
|
|
The polyphony per channel.
|
||
|
|
|
||
|
|
@othertype IDFINSTCAPS * | PIDFINSTCAPS |
|
||
|
|
A memory model dependant pointer to the structure.
|
||
|
|
|
||
|
|
@othertype IDFINSTCAPS FAR * | LPIDFINSTCAPS |
|
||
|
|
A far pointer to the structure.
|
||
|
|
*/
|
||
|
|
|
||
|
|
typedef struct tag_IDFINSTCAPS
|
||
|
|
{
|
||
|
|
DWORD cbStruct;
|
||
|
|
DWORD fdwFlags;
|
||
|
|
DWORD dwBasicChannel;
|
||
|
|
DWORD cNumChannels;
|
||
|
|
DWORD cInstrumentPolyphony;
|
||
|
|
DWORD cChannelPolyphony;
|
||
|
|
} IDFINSTCAPS, *PIDFINSTCAPS, FAR *LPIDFINSTCAPS;
|
||
|
|
|
||
|
|
#define IDFINSTCAPS_F_GENERAL_MIDI 0x00000001
|
||
|
|
#define IDFINSTCAPS_F_SYSTEMEXCLUSIVE 0x00000002
|
||
|
|
|
||
|
|
/*
|
||
|
|
@doc EXTERNAL SDK
|
||
|
|
|
||
|
|
@types IDFCHANNELHDR |
|
||
|
|
This is the format of the "chan" chunk in a Microsoft IDF file.
|
||
|
|
This contains a description on what "type" a channel is, i.e.
|
||
|
|
is it a General MIDI channel, a drum channel, etc... Directly
|
||
|
|
following this header is the actual data on each channel.
|
||
|
|
|
||
|
|
@field DWORD | cbStruct |
|
||
|
|
This is the size of the channel header structure.
|
||
|
|
|
||
|
|
@field DWORD | fdwFlags |
|
||
|
|
Flags describing the channel type information.
|
||
|
|
|
||
|
|
@flag IDFCHANNELHDR_F_GENERAL_MIDI |
|
||
|
|
If this flag is set then any channels that are not defined in the
|
||
|
|
IDF are General MIDI channel types. If this flag is _NOT_ set then
|
||
|
|
any channels that are not defined in the IDF are undefined and should
|
||
|
|
NOT be used in mapping. This flag overrides the contents of dwGeneralMask
|
||
|
|
and dwDrumMask.
|
||
|
|
|
||
|
|
@field DWORD | dwGeneralMask |
|
||
|
|
This mask indicates which channels are available for
|
||
|
|
use as general channels. The channels will be considered usable even if
|
||
|
|
there is no associcate IDFCHANNELINFO structure defined.
|
||
|
|
|
||
|
|
@field DWORD | dwDrumMask |
|
||
|
|
This mask indicates which channels are available for
|
||
|
|
use as drum channels. The channels will be considered usable even if
|
||
|
|
there is no associcate IDFCHANNELINFO structure defined.
|
||
|
|
|
||
|
|
@field DWORD | cNumChannels |
|
||
|
|
This is the number of channels that follows the header.
|
||
|
|
|
||
|
|
@othertype IDFCHANNELHDR * | PIDFCHANNELHDR |
|
||
|
|
A memory model dependant pointer to the structure.
|
||
|
|
|
||
|
|
@othertype IDFCHANNELHDR FAR * | LPIDFCHANNELHDR |
|
||
|
|
A far pointer to the structure.
|
||
|
|
*/
|
||
|
|
|
||
|
|
typedef struct tag_IDFCHANNELHDR
|
||
|
|
{
|
||
|
|
DWORD cbStruct;
|
||
|
|
DWORD dwGeneralMask;
|
||
|
|
DWORD dwDrumMask;
|
||
|
|
DWORD dwReserved; // Must be zero
|
||
|
|
DWORD fdwFlags;
|
||
|
|
} IDFCHANNELHDR, *PIDFCHANNELHDR, FAR *LPIDFCHANNELHDR;
|
||
|
|
|
||
|
|
#define IDFCHANNELHDR_F_GENERAL_MIDI 0x00000001
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
@doc EXTERNAL SDK
|
||
|
|
|
||
|
|
@types IDFCHANNELINFO |
|
||
|
|
This is the format of the actual channel information for Microsoft
|
||
|
|
authored IDF files. This is the Microsoft supported format for
|
||
|
|
channel information.
|
||
|
|
|
||
|
|
@field DWORD | dwChannel |
|
||
|
|
This is the channel number that the structure defines.
|
||
|
|
|
||
|
|
@field DWORD | fdwChannel |
|
||
|
|
Defines the possible types this channel can be.
|
||
|
|
|
||
|
|
@flag IDFCHANNELINFO_F_GENERAL_CHANNEL |
|
||
|
|
Indicates that this channel may be a general channel.
|
||
|
|
|
||
|
|
@flag IDFCHANNELINFO_F_DRUM_CHANNEL |
|
||
|
|
Indicates that this channel may be a drum channel.
|
||
|
|
|
||
|
|
@field DWORD | cbInitData |
|
||
|
|
Specifies the length of the data which should be sent to initialize
|
||
|
|
the channel. This data will be send to initialize the channel each
|
||
|
|
time the mapper is opened.
|
||
|
|
|
||
|
|
@field BYTE | abData[] |
|
||
|
|
This field contains the actual initialization data.
|
||
|
|
<f cbInitData> should indicate the length of this sequence,
|
||
|
|
byte aligned. However, the actual sequence should be padded so that
|
||
|
|
it is actually DWORD aligned (i.e. even multiple
|
||
|
|
of four bytes). <f cbStruct> should reflect the padded length of
|
||
|
|
the sequences.
|
||
|
|
|
||
|
|
@othertype IDFCHANNELINFO * | PIDFCHANNELINFO |
|
||
|
|
A memory model dependant pointer to the structure.
|
||
|
|
|
||
|
|
@othertype IDFCHANNELINFO FAR * | LPIDFCHANNELINFO |
|
||
|
|
A far pointer to the structure.
|
||
|
|
*/
|
||
|
|
|
||
|
|
typedef struct tag_IDFCHANNELINFO
|
||
|
|
{
|
||
|
|
DWORD cbStruct;
|
||
|
|
DWORD dwChannel;
|
||
|
|
DWORD cbInitData;
|
||
|
|
BYTE abData[];
|
||
|
|
} IDFCHANNELINFO, *PIDFCHANNELINFO, FAR *LPIDFCHANNELINFO;
|
||
|
|
|
||
|
|
/*
|
||
|
|
@doc EXTERNAL SDK
|
||
|
|
|
||
|
|
@types IDFPATCHMAPHDR |
|
||
|
|
This is the format of the "map " chunk in a Microsoft IDF file.
|
||
|
|
This chunk contains information on the patch map used for the
|
||
|
|
instrument. Directly following this header is the actual mapping
|
||
|
|
information for each patch.
|
||
|
|
|
||
|
|
@field DWORD | cbStruct |
|
||
|
|
This is the size of the patch map header structure.
|
||
|
|
|
||
|
|
@field BYTE | abPatchMap[128] |
|
||
|
|
This array contains the actual patch map. The incoming patch is
|
||
|
|
used to index the array; the array contents are the new patch value
|
||
|
|
and must be in the range 0x00-0x7F. Patch maps will only apply to
|
||
|
|
channels of type general. If the instrument needs a patch change
|
||
|
|
on a drum channel, it should be included in the initialization data
|
||
|
|
in the IDFCHANNELINFO.
|
||
|
|
|
||
|
|
@othertype IDFPATCHMAPHDR * | PIDFPATCHMAPHDR |
|
||
|
|
A memory model dependant pointer to the structure.
|
||
|
|
|
||
|
|
@othertype IDFPATCHMAPHDR FAR * | LPIDFPATCHMAPHDR |
|
||
|
|
A far pointer to the structure.
|
||
|
|
*/
|
||
|
|
|
||
|
|
typedef struct tag_IDFPATCHMAPHDR
|
||
|
|
{
|
||
|
|
DWORD cbStruct;
|
||
|
|
BYTE abPatchMap[128];
|
||
|
|
|
||
|
|
} IDFPATCHMAPHDR, *PIDFPATCHMAPHDR, FAR *LPIDFPATCHMAPHDR;
|
||
|
|
|
||
|
|
/*
|
||
|
|
@doc EXTERNAL SDK
|
||
|
|
|
||
|
|
@types IDFKEYMAPHDR |
|
||
|
|
This is the format of the "key " chunk in a Microsoft IDF file.
|
||
|
|
This chunk contains information on the all of the key maps used
|
||
|
|
for a given instrument. The information that is in this structure
|
||
|
|
pertains to all of the key maps for the instrument. It contains
|
||
|
|
the total number of key maps for the instrument and whether or not
|
||
|
|
the key maps are General MIDI.
|
||
|
|
|
||
|
|
@field DWORD | cbStruct |
|
||
|
|
This is the size of the key map header structure.
|
||
|
|
|
||
|
|
@field DWORD | cNumKeyMaps |
|
||
|
|
This is the number of key maps that follow the header.
|
||
|
|
|
||
|
|
@field DWORD | cbKeyMap |
|
||
|
|
This is the size of each key map that follows the header.
|
||
|
|
|
||
|
|
@othertype IDFPATCHMAPHDR * | PIDFPATCHMAPHDR |
|
||
|
|
A memory model dependant pointer to the structure.
|
||
|
|
|
||
|
|
@othertype IDFPATCHMAPHDR FAR * | LPIDFPATCHMAPHDR |
|
||
|
|
A far pointer to the structure.
|
||
|
|
*/
|
||
|
|
|
||
|
|
typedef struct tag_IDFKEYMAPHDR
|
||
|
|
{
|
||
|
|
DWORD cbStruct;
|
||
|
|
DWORD cNumKeyMaps;
|
||
|
|
DWORD cbKeyMap;
|
||
|
|
} IDFKEYMAPHDR, *PIDFKEYMAPHDR, FAR *LPIDFKEYMAPHDR;
|
||
|
|
|
||
|
|
/*
|
||
|
|
@doc EXTERNAL SDK
|
||
|
|
|
||
|
|
@types IDFKEYMAP |
|
||
|
|
This is the format of the "gkey" or "dkey" chunk in a Microsoft
|
||
|
|
IDF file. This chunk contains information on the all of the key maps
|
||
|
|
used for a given instrument. The information that is in this structure
|
||
|
|
pertains to all of the key maps for the instrument. It contains
|
||
|
|
the total number of key maps for the instrument and whether or not
|
||
|
|
the key maps are General MIDI.
|
||
|
|
|
||
|
|
@field DWORD | cbStruct |
|
||
|
|
This is the size of the key map header structure.
|
||
|
|
|
||
|
|
@field BYTE | abKeyMap[128] |
|
||
|
|
This field contains the actual key map. The incoming key number from
|
||
|
|
a note on or note off message is used to index this array; the array
|
||
|
|
contents are the new key value. If the high bit it set in the new
|
||
|
|
key value, then the note on or note off will be ignore; otherwise,
|
||
|
|
it will be transmitted with the new key value.
|
||
|
|
|
||
|
|
@othertype IDFKEYMAP * | PIDFKEYMAP |
|
||
|
|
A memory model dependant pointer to the structure.
|
||
|
|
|
||
|
|
@othertype IDFKEYMAP FAR * | LPIDFKEYMAP |
|
||
|
|
A far pointer to the structure.
|
||
|
|
*/
|
||
|
|
|
||
|
|
typedef struct tag_IDFKEYMAP
|
||
|
|
{
|
||
|
|
DWORD cbStruct;
|
||
|
|
BYTE abKeyMap[128];
|
||
|
|
} IDFKEYMAP, *PIDFKEYMAP, FAR *LPIDFKEYMAP;
|
||
|
|
|