1 files changed, 784 insertions, 0 deletions

diff --git a/dxsdk/Include/dmusicc.h b/dxsdk/Include/dmusicc.h
new file mode 100644
index 00000000..3084d110
--- /dev/null
+++ b/dxsdk/Include/dmusicc.h
@@ -0,0 +1,784 @@
+/************************************************************************
+*                                                                       *
+*   dmusicc.h -- This module defines the DirectMusic core API's         *
+*                                                                       *
+*   Copyright (c) Microsoft Corporation.  All rights reserved.          *
+*                                                                       *
+************************************************************************/
+
+#ifndef _DMUSICC_
+#define _DMUSICC_
+
+#include <windows.h>
+
+#define COM_NO_WINDOWS_H
+#include <objbase.h>
+
+#include <mmsystem.h>
+
+#include "dls1.h"
+#include "dmerror.h"
+#include "dmdls.h"
+#include "dsound.h"
+#include "dmusbuff.h"
+
+#include <pshpack8.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef ULONGLONG    SAMPLE_TIME;
+typedef ULONGLONG    SAMPLE_POSITION;	
+typedef SAMPLE_TIME *LPSAMPLE_TIME;
+
+#define DMUS_MAX_DESCRIPTION 128
+#define DMUS_MAX_DRIVER 128
+
+typedef struct _DMUS_BUFFERDESC *LPDMUS_BUFFERDESC;
+typedef struct _DMUS_BUFFERDESC
+{
+    DWORD dwSize;
+    DWORD dwFlags;
+    GUID guidBufferFormat;
+    DWORD cbBuffer;
+} DMUS_BUFFERDESC;
+
+/* DMUS_EFFECT_ flags are used in the dwEffectFlags fields of both DMUS_PORTCAPS 
+ * and DMUS_PORTPARAMS.
+ */
+#define DMUS_EFFECT_NONE             0x00000000
+#define DMUS_EFFECT_REVERB           0x00000001
+#define DMUS_EFFECT_CHORUS           0x00000002
+#define DMUS_EFFECT_DELAY            0x00000004
+
+/* For DMUS_PORTCAPS dwClass
+ */ 
+#define DMUS_PC_INPUTCLASS       (0)
+#define DMUS_PC_OUTPUTCLASS      (1)
+
+/* For DMUS_PORTCAPS dwFlags
+ */
+#define DMUS_PC_DLS              (0x00000001)   // Supports DLS downloading and DLS level 1.
+#define DMUS_PC_EXTERNAL         (0x00000002)   // External MIDI module.
+#define DMUS_PC_SOFTWARESYNTH    (0x00000004)   // Software synthesizer.
+#define DMUS_PC_MEMORYSIZEFIXED  (0x00000008)   // Memory size is fixed.
+#define DMUS_PC_GMINHARDWARE     (0x00000010)   // GM sound set is built in, no need to download.
+#define DMUS_PC_GSINHARDWARE     (0x00000020)   // GS sound set is built in.
+#define DMUS_PC_XGINHARDWARE     (0x00000040)   // XG sound set is built in.
+#define DMUS_PC_DIRECTSOUND      (0x00000080)   // Connects to DirectSound via a DSound buffer.
+#define DMUS_PC_SHAREABLE        (0x00000100)   // Synth can be actively shared by multiple apps at once.
+#define DMUS_PC_DLS2             (0x00000200)   // Supports DLS2 instruments.
+#define DMUS_PC_AUDIOPATH        (0x00000400)   // Multiple outputs can be connected to DirectSound for audiopaths.
+#define DMUS_PC_WAVE             (0x00000800)   // Supports streaming and one shot waves.
+
+#define DMUS_PC_SYSTEMMEMORY     (0x7FFFFFFF)   // Sample memory is system memory.
+
+
+typedef struct _DMUS_PORTCAPS
+{
+    DWORD   dwSize;
+    DWORD   dwFlags;
+    GUID    guidPort;
+    DWORD   dwClass;
+    DWORD   dwType;
+    DWORD   dwMemorySize;
+    DWORD   dwMaxChannelGroups;
+    DWORD   dwMaxVoices;    
+    DWORD   dwMaxAudioChannels;
+    DWORD   dwEffectFlags;
+    WCHAR   wszDescription[DMUS_MAX_DESCRIPTION];
+} DMUS_PORTCAPS;
+
+typedef DMUS_PORTCAPS *LPDMUS_PORTCAPS;
+
+/* Values for DMUS_PORTCAPS dwType. This field indicates the underlying 
+ * driver type of the port.
+ */
+#define DMUS_PORT_WINMM_DRIVER      (0)
+#define DMUS_PORT_USER_MODE_SYNTH   (1)
+#define DMUS_PORT_KERNEL_MODE       (2)
+
+/* These flags (set in dwValidParams) indicate which other members of the */
+/* DMUS_PORTPARAMS are valid. */
+/* */
+#define DMUS_PORTPARAMS_VOICES           0x00000001
+#define DMUS_PORTPARAMS_CHANNELGROUPS    0x00000002
+#define DMUS_PORTPARAMS_AUDIOCHANNELS    0x00000004
+#define DMUS_PORTPARAMS_SAMPLERATE       0x00000008
+#define DMUS_PORTPARAMS_EFFECTS          0x00000020
+#define DMUS_PORTPARAMS_SHARE            0x00000040
+#define DMUS_PORTPARAMS_FEATURES         0x00000080     /* DirectX 8.0 and above */
+
+typedef struct _DMUS_PORTPARAMS
+{
+    DWORD   dwSize;
+    DWORD   dwValidParams;
+    DWORD   dwVoices;
+    DWORD   dwChannelGroups;
+    DWORD   dwAudioChannels;
+    DWORD   dwSampleRate;
+    DWORD   dwEffectFlags;
+    BOOL    fShare;
+} DMUS_PORTPARAMS7;
+
+typedef struct _DMUS_PORTPARAMS8
+{
+    DWORD   dwSize;
+    DWORD   dwValidParams;
+    DWORD   dwVoices;
+    DWORD   dwChannelGroups;
+    DWORD   dwAudioChannels;
+    DWORD   dwSampleRate;
+    DWORD   dwEffectFlags;
+    BOOL    fShare;
+    DWORD   dwFeatures;
+} DMUS_PORTPARAMS8;
+
+#define DMUS_PORT_FEATURE_AUDIOPATH     0x00000001	/* Supports audiopath connection to DSound buffers. */
+#define DMUS_PORT_FEATURE_STREAMING     0x00000002	/* Supports streaming waves through the synth. */
+
+
+typedef DMUS_PORTPARAMS8 DMUS_PORTPARAMS;
+typedef DMUS_PORTPARAMS *LPDMUS_PORTPARAMS;
+
+typedef struct _DMUS_SYNTHSTATS *LPDMUS_SYNTHSTATS;
+typedef struct _DMUS_SYNTHSTATS8 *LPDMUS_SYNTHSTATS8;
+typedef struct _DMUS_SYNTHSTATS
+{
+    DWORD   dwSize;             /* Size in bytes of the structure */
+    DWORD   dwValidStats;       /* Flags indicating which fields below are valid. */
+    DWORD   dwVoices;           /* Average number of voices playing. */
+    DWORD   dwTotalCPU;         /* Total CPU usage as percent * 100. */
+    DWORD   dwCPUPerVoice;      /* CPU per voice as percent * 100. */
+    DWORD   dwLostNotes;        /* Number of notes lost in 1 second. */
+    DWORD   dwFreeMemory;       /* Free memory in bytes */
+    long    lPeakVolume;        /* Decibel level * 100. */
+} DMUS_SYNTHSTATS;
+
+typedef struct _DMUS_SYNTHSTATS8
+{
+    DWORD   dwSize;             /* Size in bytes of the structure */
+    DWORD   dwValidStats;       /* Flags indicating which fields below are valid. */
+    DWORD   dwVoices;           /* Average number of voices playing. */
+    DWORD   dwTotalCPU;         /* Total CPU usage as percent * 100. */
+    DWORD   dwCPUPerVoice;      /* CPU per voice as percent * 100. */
+    DWORD   dwLostNotes;        /* Number of notes lost in 1 second. */
+    DWORD   dwFreeMemory;       /* Free memory in bytes */
+    long    lPeakVolume;        /* Decibel level * 100. */
+	DWORD   dwSynthMemUse;		/* Memory used by synth wave data */ 
+} DMUS_SYNTHSTATS8;
+
+#define DMUS_SYNTHSTATS_VOICES          (1 << 0)
+#define DMUS_SYNTHSTATS_TOTAL_CPU       (1 << 1)
+#define DMUS_SYNTHSTATS_CPU_PER_VOICE   (1 << 2)
+#define DMUS_SYNTHSTATS_LOST_NOTES      (1 << 3)
+#define DMUS_SYNTHSTATS_PEAK_VOLUME     (1 << 4)
+#define DMUS_SYNTHSTATS_FREE_MEMORY     (1 << 5)
+
+#define DMUS_SYNTHSTATS_SYSTEMMEMORY    DMUS_PC_SYSTEMMEMORY
+
+typedef struct _DMUS_WAVES_REVERB_PARAMS
+{
+    float   fInGain;        /* Input gain in dB (to avoid output overflows) */
+    float   fReverbMix;     /* Reverb mix in dB. 0dB means 100% wet reverb (no direct signal)
+                            Negative values gives less wet signal.
+                            The coeficients are calculated so that the overall output level stays 
+                            (approximately) constant regardless of the ammount of reverb mix. */
+    float   fReverbTime;    /* The reverb decay time, in milliseconds. */
+    float   fHighFreqRTRatio; /* The ratio of the high frequencies to the global reverb time. 
+                            Unless very 'splashy-bright' reverbs are wanted, this should be set to 
+                            a value < 1.0.
+                            For example if dRevTime==1000ms and dHighFreqRTRatio=0.1 than the 
+                            decay time for high frequencies will be 100ms.*/
+
+} DMUS_WAVES_REVERB_PARAMS;
+
+/*  Note: Default values for Reverb are:
+    fInGain             = 0.0dB   (no change in level)
+    fReverbMix          = -10.0dB   (a reasonable reverb mix)
+    fReverbTime         = 1000.0ms (one second global reverb time)
+    fHighFreqRTRatio    = 0.001    (the ratio of the high frequencies to the global reverb time) 
+*/
+
+typedef enum
+{
+    DMUS_CLOCK_SYSTEM = 0,
+    DMUS_CLOCK_WAVE = 1
+} DMUS_CLOCKTYPE;
+
+#define DMUS_CLOCKF_GLOBAL              0x00000001
+
+typedef struct _DMUS_CLOCKINFO7 *LPDMUS_CLOCKINFO7;
+typedef struct _DMUS_CLOCKINFO7
+{
+    DWORD           dwSize;
+    DMUS_CLOCKTYPE  ctType;
+    GUID            guidClock;          /* Identifies this time source */
+    WCHAR           wszDescription[DMUS_MAX_DESCRIPTION];
+} DMUS_CLOCKINFO7;
+
+typedef struct _DMUS_CLOCKINFO8 *LPDMUS_CLOCKINFO8;
+typedef struct _DMUS_CLOCKINFO8
+{
+    DWORD           dwSize;
+    DMUS_CLOCKTYPE  ctType;
+    GUID            guidClock;          /* Identifies this time source */
+    WCHAR           wszDescription[DMUS_MAX_DESCRIPTION];
+    DWORD           dwFlags;           
+} DMUS_CLOCKINFO8;
+
+typedef DMUS_CLOCKINFO8 DMUS_CLOCKINFO;
+typedef DMUS_CLOCKINFO *LPDMUS_CLOCKINFO;
+
+/* Default bus identifiers
+ *
+ * The first 17 are direct mappings to the destinations defined in both
+ * the MMA DLS Level 2 specification and the Microsoft Multi-Channel audio
+ * specification.
+ */
+#define DSBUSID_FIRST_SPKR_LOC              0
+#define DSBUSID_FRONT_LEFT                  0
+#define DSBUSID_LEFT                        0   /* Front left is also just left */
+#define DSBUSID_FRONT_RIGHT                 1
+#define DSBUSID_RIGHT                       1   /* Ditto front right */ 
+#define DSBUSID_FRONT_CENTER                2
+#define DSBUSID_LOW_FREQUENCY               3
+#define DSBUSID_BACK_LEFT                   4
+#define DSBUSID_BACK_RIGHT                  5
+#define DSBUSID_FRONT_LEFT_OF_CENTER        6 
+#define DSBUSID_FRONT_RIGHT_OF_CENTER       7
+#define DSBUSID_BACK_CENTER                 8
+#define DSBUSID_SIDE_LEFT                   9
+#define DSBUSID_SIDE_RIGHT                 10
+#define DSBUSID_TOP_CENTER                 11
+#define DSBUSID_TOP_FRONT_LEFT             12
+#define DSBUSID_TOP_FRONT_CENTER           13
+#define DSBUSID_TOP_FRONT_RIGHT            14
+#define DSBUSID_TOP_BACK_LEFT              15
+#define DSBUSID_TOP_BACK_CENTER            16
+#define DSBUSID_TOP_BACK_RIGHT             17
+#define DSBUSID_LAST_SPKR_LOC              17
+
+#define DSBUSID_IS_SPKR_LOC(id) ( ((id) >= DSBUSID_FIRST_SPKR_LOC) && ((id) <= DSBUSID_LAST_SPKR_LOC) )
+
+/* These bus identifiers are for the standard DLS effect sends 
+ */
+#define DSBUSID_REVERB_SEND                64
+#define DSBUSID_CHORUS_SEND                65
+
+/* Dynamic bus identifiers start here. See the documentation for how
+ * synthesizers map the output of voices to static and dynamic
+ * bus identifiers.
+ */ 
+#define DSBUSID_DYNAMIC_0                 512 
+
+/* Null bus, used to identify busses that have no function mapping. 
+*/
+#define DSBUSID_NULL			   0xFFFFFFFF
+
+interface IDirectMusic;
+interface IDirectMusic8;
+interface IDirectMusicBuffer;
+interface IDirectMusicPort;
+interface IDirectMusicThru;
+interface IReferenceClock;
+
+#ifndef __cplusplus 
+
+typedef interface IDirectMusic IDirectMusic;
+typedef interface IDirectMusic8 IDirectMusic8;
+typedef interface IDirectMusicPort IDirectMusicPort;
+typedef interface IDirectMusicBuffer IDirectMusicBuffer;
+typedef interface IDirectMusicThru IDirectMusicThru;
+typedef interface IReferenceClock IReferenceClock;
+
+#endif  /* C++ */
+
+typedef IDirectMusic *LPDIRECTMUSIC;
+typedef IDirectMusic8 *LPDIRECTMUSIC8;
+typedef IDirectMusicPort *LPDIRECTMUSICPORT;
+typedef IDirectMusicBuffer *LPDIRECTMUSICBUFFER;
+
+#undef  INTERFACE
+#define INTERFACE  IDirectMusic
+DECLARE_INTERFACE_(IDirectMusic, IUnknown)
+{
+    /*  IUnknown */
+    STDMETHOD(QueryInterface)       (THIS_ REFIID, LPVOID FAR *) PURE;
+    STDMETHOD_(ULONG,AddRef)        (THIS) PURE;
+    STDMETHOD_(ULONG,Release)       (THIS) PURE;
+
+    /*  IDirectMusic */
+    STDMETHOD(EnumPort)             (THIS_ DWORD dwIndex, 
+                                           LPDMUS_PORTCAPS pPortCaps) PURE;
+    STDMETHOD(CreateMusicBuffer)    (THIS_ LPDMUS_BUFFERDESC pBufferDesc, 
+                                           LPDIRECTMUSICBUFFER *ppBuffer, 
+                                           LPUNKNOWN pUnkOuter) PURE;
+    STDMETHOD(CreatePort)           (THIS_ REFCLSID rclsidPort, 
+                                           LPDMUS_PORTPARAMS pPortParams, 
+                                           LPDIRECTMUSICPORT *ppPort, 
+                                           LPUNKNOWN pUnkOuter) PURE;
+    STDMETHOD(EnumMasterClock)      (THIS_ DWORD dwIndex, 
+                                           LPDMUS_CLOCKINFO lpClockInfo) PURE;
+    STDMETHOD(GetMasterClock)       (THIS_ LPGUID pguidClock, 
+                                           IReferenceClock **ppReferenceClock) PURE;
+    STDMETHOD(SetMasterClock)       (THIS_ REFGUID rguidClock) PURE;
+    STDMETHOD(Activate)             (THIS_ BOOL fEnable) PURE;
+    STDMETHOD(GetDefaultPort)       (THIS_ LPGUID pguidPort) PURE;
+    STDMETHOD(SetDirectSound)       (THIS_ LPDIRECTSOUND pDirectSound,
+                                           HWND hWnd) PURE;
+};
+
+#undef  INTERFACE
+#define INTERFACE  IDirectMusic8
+DECLARE_INTERFACE_(IDirectMusic8, IDirectMusic)
+{
+    /*  IUnknown */
+    STDMETHOD(QueryInterface)       (THIS_ REFIID, LPVOID FAR *) PURE;
+    STDMETHOD_(ULONG,AddRef)        (THIS) PURE;
+    STDMETHOD_(ULONG,Release)       (THIS) PURE;
+
+    /*  IDirectMusic */
+    STDMETHOD(EnumPort)             (THIS_ DWORD dwIndex, 
+                                           LPDMUS_PORTCAPS pPortCaps) PURE;
+    STDMETHOD(CreateMusicBuffer)    (THIS_ LPDMUS_BUFFERDESC pBufferDesc, 
+                                           LPDIRECTMUSICBUFFER *ppBuffer, 
+                                           LPUNKNOWN pUnkOuter) PURE;
+    STDMETHOD(CreatePort)           (THIS_ REFCLSID rclsidPort, 
+                                           LPDMUS_PORTPARAMS pPortParams, 
+                                           LPDIRECTMUSICPORT *ppPort, 
+                                           LPUNKNOWN pUnkOuter) PURE;
+    STDMETHOD(EnumMasterClock)      (THIS_ DWORD dwIndex, 
+                                           LPDMUS_CLOCKINFO lpClockInfo) PURE;
+    STDMETHOD(GetMasterClock)       (THIS_ LPGUID pguidClock, 
+                                           IReferenceClock **ppReferenceClock) PURE;
+    STDMETHOD(SetMasterClock)       (THIS_ REFGUID rguidClock) PURE;
+    STDMETHOD(Activate)             (THIS_ BOOL fEnable) PURE;
+    STDMETHOD(GetDefaultPort)       (THIS_ LPGUID pguidPort) PURE;
+    STDMETHOD(SetDirectSound)       (THIS_ LPDIRECTSOUND pDirectSound,
+                                           HWND hWnd) PURE;
+    /*  IDirectMusic8 */
+    STDMETHOD(SetExternalMasterClock)
+                                    (THIS_ IReferenceClock *pClock) PURE;                                          
+};
+
+#undef  INTERFACE
+#define INTERFACE  IDirectMusicBuffer
+DECLARE_INTERFACE_(IDirectMusicBuffer, IUnknown)
+{
+    /*  IUnknown */
+    STDMETHOD(QueryInterface)       (THIS_ REFIID, LPVOID FAR *) PURE;
+    STDMETHOD_(ULONG,AddRef)        (THIS) PURE;
+    STDMETHOD_(ULONG,Release)       (THIS) PURE;
+
+    /*  IDirectMusicBuffer */
+    STDMETHOD(Flush)                (THIS) PURE;
+    STDMETHOD(TotalTime)            (THIS_ LPREFERENCE_TIME prtTime) PURE;
+    
+    STDMETHOD(PackStructured)       (THIS_ REFERENCE_TIME rt,
+                                           DWORD dwChannelGroup,
+                                           DWORD dwChannelMessage) PURE;
+    
+    STDMETHOD(PackUnstructured)     (THIS_ REFERENCE_TIME rt,
+                                           DWORD dwChannelGroup,
+                                           DWORD cb,
+                                           LPBYTE lpb) PURE;
+    
+    STDMETHOD(ResetReadPtr)         (THIS) PURE;
+    STDMETHOD(GetNextEvent)         (THIS_ LPREFERENCE_TIME prt,
+                                           LPDWORD pdwChannelGroup,
+                                           LPDWORD pdwLength,
+                                           LPBYTE *ppData) PURE;
+
+    STDMETHOD(GetRawBufferPtr)      (THIS_ LPBYTE *ppData) PURE;
+    STDMETHOD(GetStartTime)         (THIS_ LPREFERENCE_TIME prt) PURE;
+    STDMETHOD(GetUsedBytes)         (THIS_ LPDWORD pcb) PURE;
+    STDMETHOD(GetMaxBytes)          (THIS_ LPDWORD pcb) PURE;
+    STDMETHOD(GetBufferFormat)      (THIS_ LPGUID pGuidFormat) PURE;
+
+    STDMETHOD(SetStartTime)         (THIS_ REFERENCE_TIME rt) PURE;
+    STDMETHOD(SetUsedBytes)         (THIS_ DWORD cb) PURE;
+};
+
+typedef IDirectMusicBuffer IDirectMusicBuffer8;
+typedef IDirectMusicBuffer8 *LPDIRECTMUSICBUFFER8;
+
+#undef  INTERFACE
+#define INTERFACE  IDirectMusicInstrument
+DECLARE_INTERFACE_(IDirectMusicInstrument, IUnknown)
+{
+    /* IUnknown */
+    STDMETHOD(QueryInterface)           (THIS_ REFIID, LPVOID FAR *) PURE;
+    STDMETHOD_(ULONG,AddRef)            (THIS) PURE;
+    STDMETHOD_(ULONG,Release)           (THIS) PURE;
+
+    /* IDirectMusicInstrument */
+    STDMETHOD(GetPatch)                 (THIS_ DWORD* pdwPatch) PURE;
+    STDMETHOD(SetPatch)                 (THIS_ DWORD dwPatch) PURE;
+};
+
+typedef IDirectMusicInstrument IDirectMusicInstrument8;
+typedef IDirectMusicInstrument8 *LPDIRECTMUSICINSTRUMENT8;
+
+#undef  INTERFACE
+#define INTERFACE  IDirectMusicDownloadedInstrument
+DECLARE_INTERFACE_(IDirectMusicDownloadedInstrument, IUnknown)
+{
+    /* IUnknown */
+    STDMETHOD(QueryInterface)           (THIS_ REFIID, LPVOID FAR *) PURE;
+    STDMETHOD_(ULONG,AddRef)            (THIS) PURE;
+    STDMETHOD_(ULONG,Release)           (THIS) PURE;
+
+    /* IDirectMusicDownloadedInstrument */
+    /* None at this time */
+};
+
+typedef IDirectMusicDownloadedInstrument IDirectMusicDownloadedInstrument8;
+typedef IDirectMusicDownloadedInstrument8 *LPDIRECTMUSICDOWNLOADEDINSTRUMENT8;
+
+#undef  INTERFACE
+#define INTERFACE  IDirectMusicCollection
+DECLARE_INTERFACE_(IDirectMusicCollection, IUnknown)
+{
+    /* IUnknown */
+    STDMETHOD(QueryInterface)           (THIS_ REFIID, LPVOID FAR *) PURE;
+    STDMETHOD_(ULONG,AddRef)            (THIS) PURE;
+    STDMETHOD_(ULONG,Release)           (THIS) PURE;
+
+    /* IDirectMusicCollection */
+    STDMETHOD(GetInstrument)            (THIS_ DWORD dwPatch, 
+                                               IDirectMusicInstrument** ppInstrument) PURE;
+    STDMETHOD(EnumInstrument)           (THIS_ DWORD dwIndex, 
+                                               DWORD* pdwPatch, 
+                                               LPWSTR pwszName, 
+                                               DWORD dwNameLen) PURE;
+};
+
+typedef IDirectMusicCollection IDirectMusicCollection8;
+typedef IDirectMusicCollection8 *LPDIRECTMUSICCOLLECTION8;
+
+#undef  INTERFACE
+#define INTERFACE  IDirectMusicDownload 
+DECLARE_INTERFACE_(IDirectMusicDownload , IUnknown)
+{
+    /* IUnknown */
+    STDMETHOD(QueryInterface)       (THIS_ REFIID, LPVOID FAR *) PURE;
+    STDMETHOD_(ULONG,AddRef)        (THIS) PURE;
+    STDMETHOD_(ULONG,Release)       (THIS) PURE;
+
+    /* IDirectMusicDownload */
+    STDMETHOD(GetBuffer)            (THIS_ void** ppvBuffer, 
+                                           DWORD* pdwSize) PURE;
+};
+
+typedef IDirectMusicDownload IDirectMusicDownload8;
+typedef IDirectMusicDownload8 *LPDIRECTMUSICDOWNLOAD8;
+
+#undef  INTERFACE
+#define INTERFACE  IDirectMusicPortDownload
+DECLARE_INTERFACE_(IDirectMusicPortDownload, IUnknown)
+{
+    /* IUnknown */
+    STDMETHOD(QueryInterface)       (THIS_ REFIID, LPVOID FAR *) PURE;
+    STDMETHOD_(ULONG,AddRef)        (THIS) PURE;
+    STDMETHOD_(ULONG,Release)       (THIS) PURE;
+
+    /* IDirectMusicPortDownload */
+    STDMETHOD(GetBuffer)            (THIS_ DWORD dwDLId, 
+                                           IDirectMusicDownload** ppIDMDownload) PURE;
+    STDMETHOD(AllocateBuffer)       (THIS_ DWORD dwSize, 
+                                           IDirectMusicDownload** ppIDMDownload) PURE;
+    STDMETHOD(GetDLId)              (THIS_ DWORD* pdwStartDLId, 
+                                           DWORD dwCount) PURE;
+    STDMETHOD(GetAppend)            (THIS_ DWORD* pdwAppend) PURE;
+    STDMETHOD(Download)             (THIS_ IDirectMusicDownload* pIDMDownload) PURE;
+    STDMETHOD(Unload)               (THIS_ IDirectMusicDownload* pIDMDownload) PURE;
+};
+
+typedef IDirectMusicPortDownload IDirectMusicPortDownload8;
+typedef IDirectMusicPortDownload8 *LPDIRECTMUSICPORTDOWNLOAD8;
+
+/* Standard values for voice priorities. Numerically higher priorities are higher in priority.
+ * These priorities are used to set the voice priority for all voices on a channel. They are
+ * used in the dwPriority parameter of IDirectMusicPort::GetPriority and returned in the
+ * lpwPriority parameter of pdwPriority.
+ *
+ * These priorities are shared with DirectSound.
+ */
+
+#ifndef _DIRECTAUDIO_PRIORITIES_DEFINED_
+#define _DIRECTAUDIO_PRIORITIES_DEFINED_
+
+#define DAUD_CRITICAL_VOICE_PRIORITY    (0xF0000000)
+#define DAUD_HIGH_VOICE_PRIORITY        (0xC0000000)
+#define DAUD_STANDARD_VOICE_PRIORITY    (0x80000000)
+#define DAUD_LOW_VOICE_PRIORITY         (0x40000000)
+#define DAUD_PERSIST_VOICE_PRIORITY     (0x10000000) 
+
+/* These are the default priorities assigned if not overridden. By default priorities are
+ * equal across channel groups (e.g. channel 5 on channel group 1 has the same priority as
+ * channel 5 on channel group 2).
+ *
+ * In accordance with DLS level 1, channel 10 has the highest priority, followed by 1 through 16
+ * except for 10.
+ */
+#define DAUD_CHAN1_VOICE_PRIORITY_OFFSET    (0x0000000E)
+#define DAUD_CHAN2_VOICE_PRIORITY_OFFSET    (0x0000000D)
+#define DAUD_CHAN3_VOICE_PRIORITY_OFFSET    (0x0000000C)
+#define DAUD_CHAN4_VOICE_PRIORITY_OFFSET    (0x0000000B)
+#define DAUD_CHAN5_VOICE_PRIORITY_OFFSET    (0x0000000A)
+#define DAUD_CHAN6_VOICE_PRIORITY_OFFSET    (0x00000009)
+#define DAUD_CHAN7_VOICE_PRIORITY_OFFSET    (0x00000008)
+#define DAUD_CHAN8_VOICE_PRIORITY_OFFSET    (0x00000007)
+#define DAUD_CHAN9_VOICE_PRIORITY_OFFSET    (0x00000006)
+#define DAUD_CHAN10_VOICE_PRIORITY_OFFSET   (0x0000000F)
+#define DAUD_CHAN11_VOICE_PRIORITY_OFFSET   (0x00000005)
+#define DAUD_CHAN12_VOICE_PRIORITY_OFFSET   (0x00000004)
+#define DAUD_CHAN13_VOICE_PRIORITY_OFFSET   (0x00000003)
+#define DAUD_CHAN14_VOICE_PRIORITY_OFFSET   (0x00000002)
+#define DAUD_CHAN15_VOICE_PRIORITY_OFFSET   (0x00000001)
+#define DAUD_CHAN16_VOICE_PRIORITY_OFFSET   (0x00000000)
+ 
+ 
+#define DAUD_CHAN1_DEF_VOICE_PRIORITY   (DAUD_STANDARD_VOICE_PRIORITY | DAUD_CHAN1_VOICE_PRIORITY_OFFSET)
+#define DAUD_CHAN2_DEF_VOICE_PRIORITY   (DAUD_STANDARD_VOICE_PRIORITY | DAUD_CHAN2_VOICE_PRIORITY_OFFSET)
+#define DAUD_CHAN3_DEF_VOICE_PRIORITY   (DAUD_STANDARD_VOICE_PRIORITY | DAUD_CHAN3_VOICE_PRIORITY_OFFSET)
+#define DAUD_CHAN4_DEF_VOICE_PRIORITY   (DAUD_STANDARD_VOICE_PRIORITY | DAUD_CHAN4_VOICE_PRIORITY_OFFSET)
+#define DAUD_CHAN5_DEF_VOICE_PRIORITY   (DAUD_STANDARD_VOICE_PRIORITY | DAUD_CHAN5_VOICE_PRIORITY_OFFSET)
+#define DAUD_CHAN6_DEF_VOICE_PRIORITY   (DAUD_STANDARD_VOICE_PRIORITY | DAUD_CHAN6_VOICE_PRIORITY_OFFSET)
+#define DAUD_CHAN7_DEF_VOICE_PRIORITY   (DAUD_STANDARD_VOICE_PRIORITY | DAUD_CHAN7_VOICE_PRIORITY_OFFSET)
+#define DAUD_CHAN8_DEF_VOICE_PRIORITY   (DAUD_STANDARD_VOICE_PRIORITY | DAUD_CHAN8_VOICE_PRIORITY_OFFSET)
+#define DAUD_CHAN9_DEF_VOICE_PRIORITY   (DAUD_STANDARD_VOICE_PRIORITY | DAUD_CHAN9_VOICE_PRIORITY_OFFSET)
+#define DAUD_CHAN10_DEF_VOICE_PRIORITY  (DAUD_STANDARD_VOICE_PRIORITY | DAUD_CHAN10_VOICE_PRIORITY_OFFSET)
+#define DAUD_CHAN11_DEF_VOICE_PRIORITY  (DAUD_STANDARD_VOICE_PRIORITY | DAUD_CHAN11_VOICE_PRIORITY_OFFSET)
+#define DAUD_CHAN12_DEF_VOICE_PRIORITY  (DAUD_STANDARD_VOICE_PRIORITY | DAUD_CHAN12_VOICE_PRIORITY_OFFSET)
+#define DAUD_CHAN13_DEF_VOICE_PRIORITY  (DAUD_STANDARD_VOICE_PRIORITY | DAUD_CHAN13_VOICE_PRIORITY_OFFSET)
+#define DAUD_CHAN14_DEF_VOICE_PRIORITY  (DAUD_STANDARD_VOICE_PRIORITY | DAUD_CHAN14_VOICE_PRIORITY_OFFSET)
+#define DAUD_CHAN15_DEF_VOICE_PRIORITY  (DAUD_STANDARD_VOICE_PRIORITY | DAUD_CHAN15_VOICE_PRIORITY_OFFSET)
+#define DAUD_CHAN16_DEF_VOICE_PRIORITY  (DAUD_STANDARD_VOICE_PRIORITY | DAUD_CHAN16_VOICE_PRIORITY_OFFSET)
+
+#endif  /* _DIRECTAUDIO_PRIORITIES_DEFINED_ */
+
+
+#undef  INTERFACE
+#define INTERFACE  IDirectMusicPort
+DECLARE_INTERFACE_(IDirectMusicPort, IUnknown)
+{
+    /*  IUnknown */
+    STDMETHOD(QueryInterface)       (THIS_ REFIID, LPVOID FAR *) PURE;
+    STDMETHOD_(ULONG,AddRef)        (THIS) PURE;
+    STDMETHOD_(ULONG,Release)       (THIS) PURE;
+
+    /*  IDirectMusicPort */
+    /*  */
+    STDMETHOD(PlayBuffer)           (THIS_ LPDIRECTMUSICBUFFER pBuffer) PURE;
+    STDMETHOD(SetReadNotificationHandle) (THIS_ HANDLE hEvent) PURE;
+    STDMETHOD(Read)                 (THIS_ LPDIRECTMUSICBUFFER pBuffer) PURE;
+    STDMETHOD(DownloadInstrument)   (THIS_ IDirectMusicInstrument *pInstrument, 
+                                     IDirectMusicDownloadedInstrument **ppDownloadedInstrument,
+                                     DMUS_NOTERANGE *pNoteRanges,
+                                     DWORD dwNumNoteRanges) PURE;
+    STDMETHOD(UnloadInstrument)     (THIS_ IDirectMusicDownloadedInstrument *pDownloadedInstrument) PURE;
+    STDMETHOD(GetLatencyClock)      (THIS_ IReferenceClock **ppClock) PURE;
+    STDMETHOD(GetRunningStats)      (THIS_ LPDMUS_SYNTHSTATS pStats) PURE;
+    STDMETHOD(Compact)              (THIS) PURE;
+    STDMETHOD(GetCaps)              (THIS_ LPDMUS_PORTCAPS pPortCaps) PURE;
+    STDMETHOD(DeviceIoControl)      (THIS_ DWORD dwIoControlCode, 
+                                           LPVOID lpInBuffer, 
+                                           DWORD nInBufferSize, 
+                                           LPVOID lpOutBuffer, 
+                                           DWORD nOutBufferSize, 
+                                           LPDWORD lpBytesReturned, 
+                                           LPOVERLAPPED lpOverlapped) PURE;
+    STDMETHOD(SetNumChannelGroups)  (THIS_ DWORD dwChannelGroups) PURE;
+    STDMETHOD(GetNumChannelGroups)  (THIS_ LPDWORD pdwChannelGroups) PURE;
+    STDMETHOD(Activate)             (THIS_ BOOL fActive) PURE;
+    STDMETHOD(SetChannelPriority)   (THIS_ DWORD dwChannelGroup, DWORD dwChannel, DWORD dwPriority) PURE;
+    STDMETHOD(GetChannelPriority)   (THIS_ DWORD dwChannelGroup, DWORD dwChannel, LPDWORD pdwPriority) PURE;
+    STDMETHOD(SetDirectSound)       (THIS_ LPDIRECTSOUND pDirectSound, LPDIRECTSOUNDBUFFER pDirectSoundBuffer) PURE;
+    STDMETHOD(GetFormat)            (THIS_ LPWAVEFORMATEX pWaveFormatEx, LPDWORD pdwWaveFormatExSize, LPDWORD pdwBufferSize) PURE;
+};
+
+typedef IDirectMusicPort IDirectMusicPort8;
+typedef IDirectMusicPort8 *LPDIRECTMUSICPORT8;
+
+#undef  INTERFACE
+#define INTERFACE  IDirectMusicThru
+DECLARE_INTERFACE_(IDirectMusicThru, IUnknown)
+{
+    /*  IUnknown */
+    STDMETHOD(QueryInterface)       (THIS_ REFIID, LPVOID FAR *) PURE;
+    STDMETHOD_(ULONG,AddRef)        (THIS) PURE;
+    STDMETHOD_(ULONG,Release)       (THIS) PURE;
+    
+    /* IDirectMusicThru 
+     */
+    STDMETHOD(ThruChannel)          (THIS_ DWORD dwSourceChannelGroup, 
+                                           DWORD dwSourceChannel, 
+                                           DWORD dwDestinationChannelGroup,
+                                           DWORD dwDestinationChannel,
+                                           LPDIRECTMUSICPORT pDestinationPort) PURE;
+};
+
+typedef IDirectMusicThru IDirectMusicThru8;
+typedef IDirectMusicThru8 *LPDIRECTMUSICTHRU8;
+
+#ifndef __IReferenceClock_INTERFACE_DEFINED__
+#define __IReferenceClock_INTERFACE_DEFINED__
+
+DEFINE_GUID(IID_IReferenceClock,0x56a86897,0x0ad4,0x11ce,0xb0,0x3a,0x00,0x20,0xaf,0x0b,0xa7,0x70);
+
+#undef  INTERFACE
+#define INTERFACE  IReferenceClock
+DECLARE_INTERFACE_(IReferenceClock, IUnknown)
+{
+    /*  IUnknown */
+    STDMETHOD(QueryInterface)           (THIS_ REFIID, LPVOID FAR *) PURE;
+    STDMETHOD_(ULONG,AddRef)            (THIS) PURE;
+    STDMETHOD_(ULONG,Release)           (THIS) PURE;
+
+    /*  IReferenceClock */
+    /*  */
+    
+    /*  get the time now */
+    STDMETHOD(GetTime)                  (THIS_ REFERENCE_TIME *pTime) PURE;
+
+    /*  ask for an async notification that a time has elapsed */
+    STDMETHOD(AdviseTime)               (THIS_ REFERENCE_TIME baseTime,         /*  base time */
+                                               REFERENCE_TIME streamTime,       /*  stream offset time */
+                                               HANDLE hEvent,                   /*  advise via this event */
+                                               DWORD * pdwAdviseCookie) PURE;   /*  where your cookie goes */
+
+    /*  ask for an async periodic notification that a time has elapsed */
+    STDMETHOD(AdvisePeriodic)           (THIS_ REFERENCE_TIME startTime,        /*  starting at this time */
+                                               REFERENCE_TIME periodTime,       /*  time between notifications */
+                                               HANDLE hSemaphore,               /*  advise via a semaphore */
+                                               DWORD * pdwAdviseCookie) PURE;   /*  where your cookie goes */
+
+    /*  cancel a request for notification */
+    STDMETHOD(Unadvise)                 (THIS_ DWORD dwAdviseCookie) PURE;
+};
+
+#endif /* __IReferenceClock_INTERFACE_DEFINED__ */
+
+DEFINE_GUID(CLSID_DirectMusic,0x636b9f10,0x0c7d,0x11d1,0x95,0xb2,0x00,0x20,0xaf,0xdc,0x74,0x21);
+DEFINE_GUID(CLSID_DirectMusicCollection,0x480ff4b0, 0x28b2, 0x11d1, 0xbe, 0xf7, 0x0, 0xc0, 0x4f, 0xbf, 0x8f, 0xef);
+DEFINE_GUID(CLSID_DirectMusicSynth,0x58C2B4D0,0x46E7,0x11D1,0x89,0xAC,0x00,0xA0,0xC9,0x05,0x41,0x29);
+
+DEFINE_GUID(IID_IDirectMusic,0x6536115a,0x7b2d,0x11d2,0xba,0x18,0x00,0x00,0xf8,0x75,0xac,0x12);
+DEFINE_GUID(IID_IDirectMusicBuffer,0xd2ac2878, 0xb39b, 0x11d1, 0x87, 0x4, 0x0, 0x60, 0x8, 0x93, 0xb1, 0xbd);
+DEFINE_GUID(IID_IDirectMusicPort, 0x08f2d8c9,0x37c2,0x11d2,0xb9,0xf9,0x00,0x00,0xf8,0x75,0xac,0x12);
+DEFINE_GUID(IID_IDirectMusicThru, 0xced153e7, 0x3606, 0x11d2, 0xb9, 0xf9, 0x00, 0x00, 0xf8, 0x75, 0xac, 0x12);
+DEFINE_GUID(IID_IDirectMusicPortDownload,0xd2ac287a, 0xb39b, 0x11d1, 0x87, 0x4, 0x0, 0x60, 0x8, 0x93, 0xb1, 0xbd);
+DEFINE_GUID(IID_IDirectMusicDownload,0xd2ac287b, 0xb39b, 0x11d1, 0x87, 0x4, 0x0, 0x60, 0x8, 0x93, 0xb1, 0xbd);
+DEFINE_GUID(IID_IDirectMusicCollection,0xd2ac287c, 0xb39b, 0x11d1, 0x87, 0x4, 0x0, 0x60, 0x8, 0x93, 0xb1, 0xbd);
+DEFINE_GUID(IID_IDirectMusicInstrument,0xd2ac287d, 0xb39b, 0x11d1, 0x87, 0x4, 0x0, 0x60, 0x8, 0x93, 0xb1, 0xbd);
+DEFINE_GUID(IID_IDirectMusicDownloadedInstrument,0xd2ac287e, 0xb39b, 0x11d1, 0x87, 0x4, 0x0, 0x60, 0x8, 0x93, 0xb1, 0xbd);
+
+
+/* Alternate interface ID for IID_IDirectMusic, available in DX7 release and after. */
+DEFINE_GUID(IID_IDirectMusic2,0x6fc2cae1, 0xbc78, 0x11d2, 0xaf, 0xa6, 0x0, 0xaa, 0x0, 0x24, 0xd8, 0xb6);
+
+DEFINE_GUID(IID_IDirectMusic8,0x2d3629f7,0x813d,0x4939,0x85,0x08,0xf0,0x5c,0x6b,0x75,0xfd,0x97);
+
+#define IID_IDirectMusicThru8 IID_IDirectMusicThru
+#define IID_IDirectMusicPortDownload8 IID_IDirectMusicPortDownload
+#define IID_IDirectMusicDownload8 IID_IDirectMusicDownload
+#define IID_IDirectMusicCollection8 IID_IDirectMusicCollection
+#define IID_IDirectMusicInstrument8 IID_IDirectMusicInstrument
+#define IID_IDirectMusicDownloadedInstrument8 IID_IDirectMusicDownloadedInstrument
+#define IID_IDirectMusicPort8 IID_IDirectMusicPort
+
+
+/* Property Query GUID_DMUS_PROP_GM_Hardware - Local GM set, no need to download
+ * Property Query GUID_DMUS_PROP_GS_Hardware - Local GS set, no need to download
+ * Property Query GUID_DMUS_PROP_XG_Hardware - Local XG set, no need to download
+ * Property Query GUID_DMUS_PROP_DLS1        - Support DLS level 1
+ * Property Query GUID_DMUS_PROP_INSTRUMENT2 - Support new INSTRUMENT2 download format
+ * Property Query GUID_DMUS_PROP_XG_Capable  - Support minimum requirements of XG
+ * Property Query GUID_DMUS_PROP_GS_Capable  - Support minimum requirements of GS
+ * Property Query GUID_DMUS_PROP_SynthSink_DSOUND - Synthsink talks to DSound
+ * Property Query GUID_DMUS_PROP_SynthSink_WAVE - Synthsink talks to Wave device
+ *
+ * Item 0: Supported
+ * Returns a DWORD which is non-zero if the feature is supported
+ */
+DEFINE_GUID(GUID_DMUS_PROP_GM_Hardware, 0x178f2f24, 0xc364, 0x11d1, 0xa7, 0x60, 0x00, 0x00, 0xf8, 0x75, 0xac, 0x12);
+DEFINE_GUID(GUID_DMUS_PROP_GS_Hardware, 0x178f2f25, 0xc364, 0x11d1, 0xa7, 0x60, 0x00, 0x00, 0xf8, 0x75, 0xac, 0x12);
+DEFINE_GUID(GUID_DMUS_PROP_XG_Hardware, 0x178f2f26, 0xc364, 0x11d1, 0xa7, 0x60, 0x00, 0x00, 0xf8, 0x75, 0xac, 0x12);
+DEFINE_GUID(GUID_DMUS_PROP_XG_Capable,  0x6496aba1, 0x61b0, 0x11d2, 0xaf, 0xa6, 0x0, 0xaa, 0x0, 0x24, 0xd8, 0xb6);
+DEFINE_GUID(GUID_DMUS_PROP_GS_Capable,  0x6496aba2, 0x61b0, 0x11d2, 0xaf, 0xa6, 0x0, 0xaa, 0x0, 0x24, 0xd8, 0xb6);
+DEFINE_GUID(GUID_DMUS_PROP_DLS1,        0x178f2f27, 0xc364, 0x11d1, 0xa7, 0x60, 0x00, 0x00, 0xf8, 0x75, 0xac, 0x12);
+DEFINE_GUID(GUID_DMUS_PROP_DLS2,        0xf14599e5, 0x4689, 0x11d2, 0xaf, 0xa6, 0x0, 0xaa, 0x0, 0x24, 0xd8, 0xb6);
+DEFINE_GUID(GUID_DMUS_PROP_INSTRUMENT2, 0x865fd372, 0x9f67, 0x11d2, 0x87, 0x2a, 0x0, 0x60, 0x8, 0x93, 0xb1, 0xbd);
+DEFINE_GUID(GUID_DMUS_PROP_SynthSink_DSOUND,0xaa97844, 0xc877, 0x11d1, 0x87, 0xc, 0x0, 0x60, 0x8, 0x93, 0xb1, 0xbd);
+DEFINE_GUID(GUID_DMUS_PROP_SynthSink_WAVE,0xaa97845, 0xc877, 0x11d1, 0x87, 0xc, 0x0, 0x60, 0x8, 0x93, 0xb1, 0xbd);
+DEFINE_GUID(GUID_DMUS_PROP_SampleMemorySize, 0x178f2f28, 0xc364, 0x11d1, 0xa7, 0x60, 0x00, 0x00, 0xf8, 0x75, 0xac, 0x12);
+DEFINE_GUID(GUID_DMUS_PROP_SamplePlaybackRate, 0x2a91f713, 0xa4bf, 0x11d2, 0xbb, 0xdf, 0x0, 0x60, 0x8, 0x33, 0xdb, 0xd8);
+
+/* Property Get/Set GUID_DMUS_PROP_WriteLatency
+ *
+ * Item 0: Synth buffer write latency, in milliseconds
+ * Get/Set SynthSink latency, the average time after the play head that the next buffer gets written.
+ */
+DEFINE_GUID(GUID_DMUS_PROP_WriteLatency,0x268a0fa0, 0x60f2, 0x11d2, 0xaf, 0xa6, 0x0, 0xaa, 0x0, 0x24, 0xd8, 0xb6);
+
+/* Property Get/Set GUID_DMUS_PROP_WritePeriod
+ *
+ * Item 0: Synth buffer write period, in milliseconds
+ * Get/Set SynthSink buffer write period, time span between successive writes.
+ */
+DEFINE_GUID(GUID_DMUS_PROP_WritePeriod,0x268a0fa1, 0x60f2, 0x11d2, 0xaf, 0xa6, 0x0, 0xaa, 0x0, 0x24, 0xd8, 0xb6);
+
+/* Property Get GUID_DMUS_PROP_MemorySize
+ *
+ * Item 0: Memory size
+ * Returns a DWORD containing the total number of bytes of sample RAM
+ */
+DEFINE_GUID(GUID_DMUS_PROP_MemorySize,  0x178f2f28, 0xc364, 0x11d1, 0xa7, 0x60, 0x00, 0x00, 0xf8, 0x75, 0xac, 0x12);
+
+/* Property Set GUID_DMUS_PROP_WavesReverb
+ *
+ * Item 0: DMUS_WAVES_REVERB structure
+ * Sets reverb parameters
+ */
+DEFINE_GUID(GUID_DMUS_PROP_WavesReverb,0x4cb5622, 0x32e5, 0x11d2, 0xaf, 0xa6, 0x0, 0xaa, 0x0, 0x24, 0xd8, 0xb6);
+
+/* Property Set GUID_DMUS_PROP_Effects
+ *
+ * Item 0: DWORD with effects flags. 
+ * Get/Set effects bits, same as dwEffectFlags in DMUS_PORTPARAMS and DMUS_PORTCAPS:
+ * DMUS_EFFECT_NONE 
+ * DMUS_EFFECT_REVERB 
+ * DMUS_EFFECT_CHORUS 
+ */
+DEFINE_GUID(GUID_DMUS_PROP_Effects, 0xcda8d611, 0x684a, 0x11d2, 0x87, 0x1e, 0x0, 0x60, 0x8, 0x93, 0xb1, 0xbd);
+
+/* Property Set GUID_DMUS_PROP_LegacyCaps
+ *
+ * Item 0: The MIDINCAPS or MIDIOUTCAPS which describes the port's underlying WinMM device. This property is only supported
+ * by ports which wrap WinMM devices.
+ */
+
+DEFINE_GUID(GUID_DMUS_PROP_LegacyCaps,0xcfa7cdc2, 0x00a1, 0x11d2, 0xaa, 0xd5, 0x00, 0x00, 0xf8, 0x75, 0xac, 0x12);
+
+/* Property Set GUID_DMUS_PROP_Volume
+ *
+ * Item 0: A long which contains an offset, in 1/100 dB, to be added to the final volume
+ *
+ */
+DEFINE_GUID(GUID_DMUS_PROP_Volume, 0xfedfae25L, 0xe46e, 0x11d1, 0xaa, 0xce, 0x00, 0x00, 0xf8, 0x75, 0xac, 0x12);
+
+/* Min and Max values for setting volume with GUID_DMUS_PROP_Volume */
+
+#define DMUS_VOLUME_MAX     2000        /* +20 dB */
+#define DMUS_VOLUME_MIN   -20000        /* -200 dB */
+
+#ifdef __cplusplus
+}; /* extern "C" */
+#endif
+
+#include <poppack.h>
+
+#endif /* #ifndef _DMUSICC_ */