windows-nt/Source/XPSP1/NT/multimedia/published/directx/dmusic/inc/dmdls.h

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2020-09-26 03:20:57 -05:00
/************************************************************************
* *
* dmdls.h -- DLS download definitions for DirectMusic API's *
* *
* Copyright (c) 1998-1999 Microsoft Corporation *
* *
************************************************************************/
#ifndef _DMDLS_
#define _DMDLS_
#include "dls1.h"
typedef long PCENT; /* Pitch cents */
typedef long GCENT; /* Gain cents */
typedef long TCENT; /* Time cents */
typedef long PERCENT; /* Per.. cent! */
typedef LONGLONG REFERENCE_TIME;
typedef REFERENCE_TIME *LPREFERENCE_TIME;
#ifndef MAKE_FOURCC
#define MAKEFOURCC(ch0, ch1, ch2, ch3) \
((DWORD)(BYTE)(ch0) | ((DWORD)(BYTE)(ch1) << 8) | \
((DWORD)(BYTE)(ch2) << 16) | ((DWORD)(BYTE)(ch3) << 24 ))
typedef DWORD FOURCC; /* a four character code */
#endif
typedef struct _DMUS_DOWNLOADINFO
{
DWORD dwDLType; /* Instrument or Wave */
DWORD dwDLId; /* Unique identifier to tag this download. */
DWORD dwNumOffsetTableEntries; /* Number of index in the offset address table. */
DWORD cbSize; /* Total size of this memory chunk. */
} DMUS_DOWNLOADINFO;
#define DMUS_DOWNLOADINFO_INSTRUMENT 1
#define DMUS_DOWNLOADINFO_WAVE 2
#define DMUS_DOWNLOADINFO_INSTRUMENT2 3 /* New version for better DLS2 support. */
/* Support for oneshot and streaming wave data
*/
#define DMUS_DOWNLOADINFO_WAVEARTICULATION 4 /* Wave articulation data */
#define DMUS_DOWNLOADINFO_STREAMINGWAVE 5 /* One chunk of a streaming */
#define DMUS_DOWNLOADINFO_ONESHOTWAVE 6
#define DMUS_DEFAULT_SIZE_OFFSETTABLE 1
/* Flags for DMUS_INSTRUMENT's ulFlags member */
#define DMUS_INSTRUMENT_GM_INSTRUMENT (1 << 0)
typedef struct _DMUS_OFFSETTABLE
{
ULONG ulOffsetTable[DMUS_DEFAULT_SIZE_OFFSETTABLE];
} DMUS_OFFSETTABLE;
typedef struct _DMUS_INSTRUMENT
{
ULONG ulPatch;
ULONG ulFirstRegionIdx;
ULONG ulGlobalArtIdx; /* If zero the instrument does not have an articulation */
ULONG ulFirstExtCkIdx; /* If zero no 3rd party entenstion chunks associated with the instrument */
ULONG ulCopyrightIdx; /* If zero no Copyright information associated with the instrument */
ULONG ulFlags;
} DMUS_INSTRUMENT;
typedef struct _DMUS_REGION
{
RGNRANGE RangeKey;
RGNRANGE RangeVelocity;
USHORT fusOptions;
USHORT usKeyGroup;
ULONG ulRegionArtIdx; /* If zero the region does not have an articulation */
ULONG ulNextRegionIdx; /* If zero no more regions */
ULONG ulFirstExtCkIdx; /* If zero no 3rd party entenstion chunks associated with the region */
WAVELINK WaveLink;
WSMPL WSMP; /* If WSMP.cSampleLoops > 1 then a WLOOP is included */
WLOOP WLOOP[1];
} DMUS_REGION;
typedef struct _DMUS_LFOPARAMS
{
PCENT pcFrequency;
TCENT tcDelay;
GCENT gcVolumeScale;
PCENT pcPitchScale;
GCENT gcMWToVolume;
PCENT pcMWToPitch;
} DMUS_LFOPARAMS;
typedef struct _DMUS_VEGPARAMS
{
TCENT tcAttack;
TCENT tcDecay;
PERCENT ptSustain;
TCENT tcRelease;
TCENT tcVel2Attack;
TCENT tcKey2Decay;
} DMUS_VEGPARAMS;
typedef struct _DMUS_PEGPARAMS
{
TCENT tcAttack;
TCENT tcDecay;
PERCENT ptSustain;
TCENT tcRelease;
TCENT tcVel2Attack;
TCENT tcKey2Decay;
PCENT pcRange;
} DMUS_PEGPARAMS;
typedef struct _DMUS_MSCPARAMS
{
PERCENT ptDefaultPan;
} DMUS_MSCPARAMS;
typedef struct _DMUS_ARTICPARAMS
{
DMUS_LFOPARAMS LFO;
DMUS_VEGPARAMS VolEG;
DMUS_PEGPARAMS PitchEG;
DMUS_MSCPARAMS Misc;
} DMUS_ARTICPARAMS;
typedef struct _DMUS_ARTICULATION /* Articulation chunk for DMUS_DOWNLOADINFO_INSTRUMENT format. */
{
ULONG ulArt1Idx; /* DLS Level 1 articulation chunk */
ULONG ulFirstExtCkIdx; /* 3rd party extenstion chunks associated with the articulation */
} DMUS_ARTICULATION;
typedef struct _DMUS_ARTICULATION2 /* Articulation chunk for DMUS_DOWNLOADINFO_INSTRUMENT2 format. */
{
ULONG ulArtIdx; /* DLS Level 1/2 articulation chunk */
ULONG ulFirstExtCkIdx; /* 3rd party extenstion chunks associated with the articulation */
ULONG ulNextArtIdx; /* Additional articulation chunks */
} DMUS_ARTICULATION2;
#define DMUS_MIN_DATA_SIZE 4
/* The actual number is determined by cbSize of struct _DMUS_EXTENSIONCHUNK */
typedef struct _DMUS_EXTENSIONCHUNK
{
ULONG cbSize; /* Size of extension chunk */
ULONG ulNextExtCkIdx; /* If zero no more 3rd party entenstion chunks */
FOURCC ExtCkID;
BYTE byExtCk[DMUS_MIN_DATA_SIZE]; /* The actual number that follows is determined by cbSize */
} DMUS_EXTENSIONCHUNK;
/* The actual number is determined by cbSize of struct _DMUS_COPYRIGHT */
typedef struct _DMUS_COPYRIGHT
{
ULONG cbSize; /* Size of copyright information */
BYTE byCopyright[DMUS_MIN_DATA_SIZE]; /* The actual number that follows is determined by cbSize */
} DMUS_COPYRIGHT;
typedef struct _DMUS_WAVEDATA
{
ULONG cbSize;
BYTE byData[DMUS_MIN_DATA_SIZE];
} DMUS_WAVEDATA;
typedef struct _DMUS_WAVE
{
ULONG ulFirstExtCkIdx; /* If zero no 3rd party entenstion chunks associated with the wave */
ULONG ulCopyrightIdx; /* If zero no Copyright information associated with the wave */
ULONG ulWaveDataIdx; /* Location of actual wave data. */
WAVEFORMATEX WaveformatEx;
} DMUS_WAVE;
typedef struct _DMUS_NOTERANGE *LPDMUS_NOTERANGE;
typedef struct _DMUS_NOTERANGE
{
DWORD dwLowNote; /* Sets the low note for the range of MIDI note events to which the instrument responds.*/
DWORD dwHighNote; /* Sets the high note for the range of MIDI note events to which the instrument responds.*/
} DMUS_NOTERANGE;
typedef struct _DMUS_WAVEARTDL
{
ULONG ulDownloadIdIdx; /* Download ID's of each buffer */
ULONG ulBus; /* Playback bus */
ULONG ulBuffers; /* Buffers */
ULONG ulMasterDLId; /* Download ID of master voice of slave group */
USHORT usOptions; /* Same as DLS2 region options */
} DMUS_WAVEARTDL,
*LPDMUS_WAVEARTDL;
typedef struct _DMUS_WAVEDL
{
ULONG cbWaveData; /* Bytes of wave data */
} DMUS_WAVEDL,
*LPDMUS_WAVEDL;
#endif