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dmusic_private.h

/* DirectMusic Private Include
 *
 * Copyright (C) 2003-2004 Rok Mandeljc
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Library General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#ifndef __WINE_DMUSIC_PRIVATE_H
#define __WINE_DMUSIC_PRIVATE_H

#include <stdarg.h>

#define COBJMACROS

#include "windef.h"
#include "winbase.h"
#include "winnt.h"
#include "wingdi.h"
#include "winuser.h"

#include "wine/debug.h"
#include "wine/list.h"
#include "wine/unicode.h"
#include "winreg.h"
#include "objbase.h"

#include "dmusici.h"
#include "dmusicf.h"
#include "dmusics.h"

/*****************************************************************************
 * Interfaces
 */
typedef struct IDirectMusic8Impl IDirectMusic8Impl;
typedef struct IDirectMusicBufferImpl IDirectMusicBufferImpl;
typedef struct IDirectMusicDownloadedInstrumentImpl IDirectMusicDownloadedInstrumentImpl;
typedef struct IDirectMusicDownloadImpl IDirectMusicDownloadImpl;
typedef struct IDirectMusicPortDownloadImpl IDirectMusicPortDownloadImpl;
typedef struct IDirectMusicPortImpl IDirectMusicPortImpl;
typedef struct IDirectMusicThruImpl IDirectMusicThruImpl;
typedef struct IReferenceClockImpl IReferenceClockImpl;

typedef struct IDirectMusicCollectionImpl IDirectMusicCollectionImpl;
typedef struct IDirectMusicInstrumentImpl IDirectMusicInstrumentImpl;

      
/*****************************************************************************
 * Predeclare the interface implementation structures
 */
extern IDirectMusic8Vtbl DirectMusic8_Vtbl;
extern IDirectMusicBufferVtbl DirectMusicBuffer_Vtbl;
extern IDirectMusicDownloadedInstrumentVtbl DirectMusicDownloadedInstrument_Vtbl;
extern IDirectMusicDownloadVtbl DirectMusicDownload_Vtbl;
extern IDirectMusicPortDownloadVtbl DirectMusicPortDownload_Vtbl;
extern IDirectMusicPortVtbl DirectMusicPort_Vtbl;
extern IDirectMusicThruVtbl DirectMusicThru_Vtbl;
extern IReferenceClockVtbl ReferenceClock_Vtbl;

extern IUnknownVtbl               DirectMusicCollection_Unknown_Vtbl;
extern IDirectMusicCollectionVtbl DirectMusicCollection_Collection_Vtbl;
extern IDirectMusicObjectVtbl     DirectMusicCollection_Object_Vtbl;
extern IPersistStreamVtbl         DirectMusicCollection_PersistStream_Vtbl;

extern IUnknownVtbl               DirectMusicInstrument_Unknown_Vtbl;
extern IDirectMusicInstrumentVtbl DirectMusicInstrument_Instrument_Vtbl;

/*****************************************************************************
 * Some stuff to make my life easier :=)
 */
 
/* some sort of aux. midi channel: big fake at the moment; accepts only priority
   changes... more coming soon */
typedef struct DMUSIC_PRIVATE_MCHANNEL_ {
      DWORD priority;
} DMUSIC_PRIVATE_MCHANNEL, *LPDMUSIC_PRIVATE_MCHANNEL;

/* some sort of aux. channel group: collection of 16 midi channels */
typedef struct DMUSIC_PRIVATE_CHANNEL_GROUP_ {
      DMUSIC_PRIVATE_MCHANNEL channel[16]; /* 16 channels in a group */
} DMUSIC_PRIVATE_CHANNEL_GROUP, *LPDMUSIC_PRIVATE_CHANNEL_GROUP;


/*****************************************************************************
 * ClassFactory
 */
extern HRESULT WINAPI DMUSIC_CreateDirectMusicImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter);
extern HRESULT WINAPI DMUSIC_CreateDirectMusicBufferImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter);
extern HRESULT WINAPI DMUSIC_CreateDirectMusicDownloadedInstrumentImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter);
extern HRESULT WINAPI DMUSIC_CreateDirectMusicDownloadImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter);
extern HRESULT WINAPI DMUSIC_CreateReferenceClockImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter);

extern HRESULT WINAPI DMUSIC_CreateDirectMusicCollectionImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter);
extern HRESULT WINAPI DMUSIC_CreateDirectMusicInstrumentImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter);

/*****************************************************************************
 * IDirectMusic8Impl implementation structure
 */
struct IDirectMusic8Impl {
  /* IUnknown fields */
  IDirectMusic8Vtbl *lpVtbl;
  DWORD          ref;

  /* IDirectMusicImpl fields */
  IReferenceClockImpl* pMasterClock;
  IDirectMusicPortImpl** ppPorts;
  int nrofports;
};

/* IUnknown: */
extern HRESULT WINAPI IDirectMusic8Impl_QueryInterface (LPDIRECTMUSIC8 iface, REFIID riid, LPVOID *ppobj);
extern ULONG WINAPI   IDirectMusic8Impl_AddRef (LPDIRECTMUSIC8 iface);
extern ULONG WINAPI   IDirectMusic8Impl_Release (LPDIRECTMUSIC8 iface);
/* IDirectMusic: */
extern HRESULT WINAPI IDirectMusic8Impl_EnumPort (LPDIRECTMUSIC8 iface, DWORD dwIndex, LPDMUS_PORTCAPS pPortCaps);
extern HRESULT WINAPI IDirectMusic8Impl_CreateMusicBuffer (LPDIRECTMUSIC8 iface, LPDMUS_BUFFERDESC pBufferDesc, LPDIRECTMUSICBUFFER** ppBuffer, LPUNKNOWN pUnkOuter);
extern HRESULT WINAPI IDirectMusic8Impl_CreatePort (LPDIRECTMUSIC8 iface, REFCLSID rclsidPort, LPDMUS_PORTPARAMS pPortParams, LPDIRECTMUSICPORT* ppPort, LPUNKNOWN pUnkOuter);
extern HRESULT WINAPI IDirectMusic8Impl_EnumMasterClock (LPDIRECTMUSIC8 iface, DWORD dwIndex, LPDMUS_CLOCKINFO lpClockInfo);
extern HRESULT WINAPI IDirectMusic8Impl_GetMasterClock (LPDIRECTMUSIC8 iface, LPGUID pguidClock, IReferenceClock** ppReferenceClock);
extern HRESULT WINAPI IDirectMusic8Impl_SetMasterClock (LPDIRECTMUSIC8 iface, REFGUID rguidClock);
extern HRESULT WINAPI IDirectMusic8Impl_Activate (LPDIRECTMUSIC8 iface, BOOL fEnable);
extern HRESULT WINAPI IDirectMusic8Impl_GetDefaultPort (LPDIRECTMUSIC8 iface, LPGUID pguidPort);
extern HRESULT WINAPI IDirectMusic8Impl_SetDirectSound (LPDIRECTMUSIC8 iface, LPDIRECTSOUND pDirectSound, HWND hWnd);
/* IDirectMusic8: */
extern HRESULT WINAPI IDirectMusic8Impl_SetExternalMasterClock (LPDIRECTMUSIC8 iface, IReferenceClock* pClock);

/*****************************************************************************
 * IDirectMusicBufferImpl implementation structure
 */
struct IDirectMusicBufferImpl {
  /* IUnknown fields */
  IDirectMusicBufferVtbl *lpVtbl;
  DWORD          ref;

  /* IDirectMusicBufferImpl fields */
};

/* IUnknown: */
extern HRESULT WINAPI IDirectMusicBufferImpl_QueryInterface (LPDIRECTMUSICBUFFER iface, REFIID riid, LPVOID *ppobj);
extern ULONG WINAPI   IDirectMusicBufferImpl_AddRef (LPDIRECTMUSICBUFFER iface);
extern ULONG WINAPI   IDirectMusicBufferImpl_Release (LPDIRECTMUSICBUFFER iface);
/* IDirectMusicBufferImpl: */
extern HRESULT WINAPI IDirectMusicBufferImpl_Flush (LPDIRECTMUSICBUFFER iface);
extern HRESULT WINAPI IDirectMusicBufferImpl_TotalTime (LPDIRECTMUSICBUFFER iface, LPREFERENCE_TIME prtTime);
extern HRESULT WINAPI IDirectMusicBufferImpl_PackStructured (LPDIRECTMUSICBUFFER iface, REFERENCE_TIME rt, DWORD dwChannelGroup, DWORD dwChannelMessage);
extern HRESULT WINAPI IDirectMusicBufferImpl_PackUnstructured (LPDIRECTMUSICBUFFER iface, REFERENCE_TIME rt, DWORD dwChannelGroup, DWORD cb, LPBYTE lpb);
extern HRESULT WINAPI IDirectMusicBufferImpl_ResetReadPtr (LPDIRECTMUSICBUFFER iface);
extern HRESULT WINAPI IDirectMusicBufferImpl_GetNextEvent (LPDIRECTMUSICBUFFER iface, LPREFERENCE_TIME prt, LPDWORD pdwChannelGroup, LPDWORD pdwLength, LPBYTE* ppData);
extern HRESULT WINAPI IDirectMusicBufferImpl_GetRawBufferPtr (LPDIRECTMUSICBUFFER iface, LPBYTE* ppData);
extern HRESULT WINAPI IDirectMusicBufferImpl_GetStartTime (LPDIRECTMUSICBUFFER iface, LPREFERENCE_TIME prt);
extern HRESULT WINAPI IDirectMusicBufferImpl_GetUsedBytes (LPDIRECTMUSICBUFFER iface, LPDWORD pcb);
extern HRESULT WINAPI IDirectMusicBufferImpl_GetMaxBytes (LPDIRECTMUSICBUFFER iface, LPDWORD pcb);
extern HRESULT WINAPI IDirectMusicBufferImpl_GetBufferFormat (LPDIRECTMUSICBUFFER iface, LPGUID pGuidFormat);
extern HRESULT WINAPI IDirectMusicBufferImpl_SetStartTime (LPDIRECTMUSICBUFFER iface, REFERENCE_TIME rt);
extern HRESULT WINAPI IDirectMusicBufferImpl_SetUsedBytes (LPDIRECTMUSICBUFFER iface, DWORD cb);


/*****************************************************************************
 * IDirectMusicDownloadedInstrumentImpl implementation structure
 */
struct IDirectMusicDownloadedInstrumentImpl {
  /* IUnknown fields */
  IDirectMusicDownloadedInstrumentVtbl *lpVtbl;
  DWORD          ref;

  /* IDirectMusicDownloadedInstrumentImpl fields */
};

/* IUnknown: */
extern HRESULT WINAPI IDirectMusicDownloadedInstrumentImpl_QueryInterface (LPDIRECTMUSICDOWNLOADEDINSTRUMENT iface, REFIID riid, LPVOID *ppobj);
extern ULONG WINAPI   IDirectMusicDownloadedInstrumentImpl_AddRef (LPDIRECTMUSICDOWNLOADEDINSTRUMENT iface);
extern ULONG WINAPI   IDirectMusicDownloadedInstrumentImpl_Release (LPDIRECTMUSICDOWNLOADEDINSTRUMENT iface);
/* IDirectMusicDownloadedInstrumentImpl: */
/* none yet */


/*****************************************************************************
 * IDirectMusicDownloadImpl implementation structure
 */
struct IDirectMusicDownloadImpl {
  /* IUnknown fields */
  IDirectMusicDownloadVtbl *lpVtbl;
  DWORD          ref;

  /* IDirectMusicDownloadImpl fields */
};

/* IUnknown: */
extern HRESULT WINAPI IDirectMusicDownloadImpl_QueryInterface (LPDIRECTMUSICDOWNLOAD iface, REFIID riid, LPVOID *ppobj);
extern ULONG WINAPI   IDirectMusicDownloadImpl_AddRef (LPDIRECTMUSICDOWNLOAD iface);
extern ULONG WINAPI   IDirectMusicDownloadImpl_Release (LPDIRECTMUSICDOWNLOAD iface);
/* IDirectMusicImpl: */
extern HRESULT WINAPI IDirectMusicDownloadImpl_GetBuffer (LPDIRECTMUSICDOWNLOAD iface, void** ppvBuffer, DWORD* pdwSize);


/*****************************************************************************
 * IDirectMusicPortDownloadImpl implementation structure
 */
struct IDirectMusicPortDownloadImpl {
  /* IUnknown fields */
  IDirectMusicPortDownloadVtbl *lpVtbl;
  DWORD          ref;

  /* IDirectMusicPortDownloadImpl fields */
};

/* IUnknown: */
extern HRESULT WINAPI IDirectMusicPortDownloadImpl_QueryInterface (LPDIRECTMUSICPORTDOWNLOAD iface, REFIID riid, LPVOID *ppobj);
extern ULONG WINAPI   IDirectMusicPortDownloadImpl_AddRef (LPDIRECTMUSICPORTDOWNLOAD iface);
extern ULONG WINAPI   IDirectMusicPortDownloadImpl_Release (LPDIRECTMUSICPORTDOWNLOAD iface);
/* IDirectMusicPortDownloadImpl: */
extern HRESULT WINAPI IDirectMusicPortDownloadImpl_GetBuffer (LPDIRECTMUSICPORTDOWNLOAD iface, DWORD dwDLId, IDirectMusicDownload** ppIDMDownload);
extern HRESULT WINAPI IDirectMusicPortDownloadImpl_AllocateBuffer (LPDIRECTMUSICPORTDOWNLOAD iface, DWORD dwSize, IDirectMusicDownload** ppIDMDownload);
extern HRESULT WINAPI IDirectMusicPortDownloadImpl_GetDLId (LPDIRECTMUSICPORTDOWNLOAD iface, DWORD* pdwStartDLId, DWORD dwCount);
extern HRESULT WINAPI IDirectMusicPortDownloadImpl_GetAppend (LPDIRECTMUSICPORTDOWNLOAD iface, DWORD* pdwAppend);
extern HRESULT WINAPI IDirectMusicPortDownloadImpl_Download (LPDIRECTMUSICPORTDOWNLOAD iface, IDirectMusicDownload* pIDMDownload);
extern HRESULT WINAPI IDirectMusicPortDownloadImpl_Unload (LPDIRECTMUSICPORTDOWNLOAD iface, IDirectMusicDownload* pIDMDownload);

/*****************************************************************************
 * IDirectMusicPortImpl implementation structure
 */
struct IDirectMusicPortImpl {
  /* IUnknown fields */
  IDirectMusicPortVtbl *lpVtbl;
  DWORD          ref;

  /* IDirectMusicPortImpl fields */
  IDirectSound* pDirectSound;
  IReferenceClock* pLatencyClock;
  BOOL fActive;
  LPDMUS_PORTCAPS pCaps;
  LPDMUS_PORTPARAMS pParams;
  int nrofgroups;
  DMUSIC_PRIVATE_CHANNEL_GROUP group[1];
};

/* IUnknown: */
extern HRESULT WINAPI IDirectMusicPortImpl_QueryInterface (LPDIRECTMUSICPORT iface, REFIID riid, LPVOID *ppobj);
extern ULONG WINAPI   IDirectMusicPortImpl_AddRef (LPDIRECTMUSICPORT iface);
extern ULONG WINAPI   IDirectMusicPortImpl_Release (LPDIRECTMUSICPORT iface);
/* IDirectMusicPortImpl: */
extern HRESULT WINAPI IDirectMusicPortImpl_PlayBuffer (LPDIRECTMUSICPORT iface, LPDIRECTMUSICBUFFER pBuffer);
extern HRESULT WINAPI IDirectMusicPortImpl_SetReadNotificationHandle (LPDIRECTMUSICPORT iface, HANDLE hEvent);
extern HRESULT WINAPI IDirectMusicPortImpl_Read (LPDIRECTMUSICPORT iface, LPDIRECTMUSICBUFFER pBuffer);
extern HRESULT WINAPI IDirectMusicPortImpl_DownloadInstrument (LPDIRECTMUSICPORT iface, IDirectMusicInstrument* pInstrument, IDirectMusicDownloadedInstrument** ppDownloadedInstrument, DMUS_NOTERANGE* pNoteRanges, DWORD dwNumNoteRanges);
extern HRESULT WINAPI IDirectMusicPortImpl_UnloadInstrument (LPDIRECTMUSICPORT iface, IDirectMusicDownloadedInstrument *pDownloadedInstrument);
extern HRESULT WINAPI IDirectMusicPortImpl_GetLatencyClock (LPDIRECTMUSICPORT iface, IReferenceClock** ppClock);
extern HRESULT WINAPI IDirectMusicPortImpl_GetRunningStats (LPDIRECTMUSICPORT iface, LPDMUS_SYNTHSTATS pStats);
extern HRESULT WINAPI IDirectMusicPortImpl_Compact (LPDIRECTMUSICPORT iface);
extern HRESULT WINAPI IDirectMusicPortImpl_GetCaps (LPDIRECTMUSICPORT iface, LPDMUS_PORTCAPS pPortCaps);
extern HRESULT WINAPI IDirectMusicPortImpl_DeviceIoControl (LPDIRECTMUSICPORT iface, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped);
extern HRESULT WINAPI IDirectMusicPortImpl_SetNumChannelGroups (LPDIRECTMUSICPORT iface, DWORD dwChannelGroups);
extern HRESULT WINAPI IDirectMusicPortImpl_GetNumChannelGroups (LPDIRECTMUSICPORT iface, LPDWORD pdwChannelGroups);
extern HRESULT WINAPI IDirectMusicPortImpl_Activate (LPDIRECTMUSICPORT iface, BOOL fActive);
extern HRESULT WINAPI IDirectMusicPortImpl_SetChannelPriority (LPDIRECTMUSICPORT iface, DWORD dwChannelGroup, DWORD dwChannel, DWORD dwPriority);
extern HRESULT WINAPI IDirectMusicPortImpl_GetChannelPriority (LPDIRECTMUSICPORT iface, DWORD dwChannelGroup, DWORD dwChannel, LPDWORD pdwPriority);
extern HRESULT WINAPI IDirectMusicPortImpl_SetDirectSound (LPDIRECTMUSICPORT iface, LPDIRECTSOUND pDirectSound, LPDIRECTSOUNDBUFFER pDirectSoundBuffer);
extern HRESULT WINAPI IDirectMusicPortImpl_GetFormat (LPDIRECTMUSICPORT iface, LPWAVEFORMATEX pWaveFormatEx, LPDWORD pdwWaveFormatExSize, LPDWORD pdwBufferSize);

/*****************************************************************************
 * IDirectMusicThruImpl implementation structure
 */
struct IDirectMusicThruImpl {
  /* IUnknown fields */
  IDirectMusicThruVtbl *lpVtbl;
  DWORD          ref;

  /* IDirectMusicThruImpl fields */
};

/* IUnknown: */
extern HRESULT WINAPI IDirectMusicThruImpl_QueryInterface (LPDIRECTMUSICTHRU iface, REFIID riid, LPVOID *ppobj);
extern ULONG WINAPI   IDirectMusicThruImpl_AddRef (LPDIRECTMUSICTHRU iface);
extern ULONG WINAPI   IDirectMusicThruImpl_Release (LPDIRECTMUSICTHRU iface);
/* IDirectMusicPortDownloadImpl: */
extern HRESULT WINAPI ThruChannel (LPDIRECTMUSICTHRU iface, DWORD dwSourceChannelGroup, DWORD dwSourceChannel, DWORD dwDestinationChannelGroup, DWORD dwDestinationChannel, LPDIRECTMUSICPORT pDestinationPort);

/*****************************************************************************
 * IReferenceClockImpl implementation structure
 */
struct IReferenceClockImpl {
  /* IUnknown fields */
  IReferenceClockVtbl *lpVtbl;
  DWORD          ref;

  /* IReferenceClockImpl fields */
  REFERENCE_TIME rtTime;
  DMUS_CLOCKINFO pClockInfo;
};

/* IUnknown: */
extern HRESULT WINAPI IReferenceClockImpl_QueryInterface (IReferenceClock *iface, REFIID riid, LPVOID *ppobj);
extern ULONG WINAPI   IReferenceClockImpl_AddRef (IReferenceClock *iface);
extern ULONG WINAPI   IReferenceClockImpl_Release (IReferenceClock *iface);
/* IReferenceClock: */
extern HRESULT WINAPI IReferenceClockImpl_GetTime (IReferenceClock *iface, REFERENCE_TIME* pTime);
extern HRESULT WINAPI IReferenceClockImpl_AdviseTime (IReferenceClock *iface, REFERENCE_TIME baseTime, REFERENCE_TIME streamTime, HANDLE hEvent, DWORD* pdwAdviseCookie);
extern HRESULT WINAPI IReferenceClockImpl_AdvisePeriodic (IReferenceClock *iface, REFERENCE_TIME startTime, REFERENCE_TIME periodTime, HANDLE hSemaphore, DWORD* pdwAdviseCookie);
extern HRESULT WINAPI IReferenceClockImpl_Unadvise (IReferenceClock *iface, DWORD dwAdviseCookie);


typedef struct _DMUS_PRIVATE_INSTRUMENT_ENTRY {
      struct list entry; /* for listing elements */
      IDirectMusicInstrument* pInstrument;
} DMUS_PRIVATE_INSTRUMENTENTRY, *LPDMUS_PRIVATE_INSTRUMENTENTRY;

typedef struct _DMUS_PRIVATE_POOLCUE {
      struct list entry; /* for listing elements */
} DMUS_PRIVATE_POOLCUE, *LPDMUS_PRIVATE_POOLCUE;

/*****************************************************************************
 * IDirectMusicCollectionImpl implementation structure
 */
struct IDirectMusicCollectionImpl {
  /* IUnknown fields */
  IUnknownVtbl *UnknownVtbl;
  IDirectMusicCollectionVtbl *CollectionVtbl;
  IDirectMusicObjectVtbl *ObjectVtbl;
  IPersistStreamVtbl *PersistStreamVtbl;
  DWORD          ref;

  /* IDirectMusicCollectionImpl fields */
  IStream *pStm; /* stream from which we load collection and later instruments */
  LARGE_INTEGER liCollectionPosition; /* offset in a stream where collection was loaded from */
  LARGE_INTEGER liWavePoolTablePosition; /* offset in a stream where wave pool table can be found */
  LPDMUS_OBJECTDESC pDesc;
  CHAR* szCopyright; /* FIXME: should probably placed somewhere else */
  LPDLSHEADER pHeader;
  /* pool table */
  LPPOOLTABLE pPoolTable;
  LPPOOLCUE pPoolCues;
  /* instruments */
  struct list Instruments;
};

/* IUnknown: */
extern HRESULT WINAPI IDirectMusicCollectionImpl_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj);
extern ULONG WINAPI   IDirectMusicCollectionImpl_IUnknown_AddRef (LPUNKNOWN iface);
extern ULONG WINAPI   IDirectMusicCollectionImpl_IUnknown_Release (LPUNKNOWN iface);
/* IDirectMusicCollection: */
extern HRESULT WINAPI IDirectMusicCollectionImpl_IDirectMusicCollection_QueryInterface (LPDIRECTMUSICCOLLECTION iface, REFIID riid, LPVOID *ppobj);
extern ULONG WINAPI   IDirectMusicCollectionImpl_IDirectMusicCollection_AddRef (LPDIRECTMUSICCOLLECTION iface);
extern ULONG WINAPI   IDirectMusicCollectionImpl_IDirectMusicCollection_Release (LPDIRECTMUSICCOLLECTION iface);
extern HRESULT WINAPI IDirectMusicCollectionImpl_IDirectMusicCollection_GetInstrument (LPDIRECTMUSICCOLLECTION iface, DWORD dwPatch, IDirectMusicInstrument** ppInstrument);
extern HRESULT WINAPI IDirectMusicCollectionImpl_IDirectMusicCollection_EnumInstrument (LPDIRECTMUSICCOLLECTION iface, DWORD dwIndex, DWORD* pdwPatch, LPWSTR pwszName, DWORD dwNameLen);
/* IDirectMusicObject: */
extern HRESULT WINAPI IDirectMusicCollectionImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj);
extern ULONG WINAPI   IDirectMusicCollectionImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface);
extern ULONG WINAPI   IDirectMusicCollectionImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface);
extern HRESULT WINAPI IDirectMusicCollectionImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc);
extern HRESULT WINAPI IDirectMusicCollectionImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc);
extern HRESULT WINAPI IDirectMusicCollectionImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc);
/* IPersistStream: */
extern HRESULT WINAPI IDirectMusicCollectionImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, void** ppvObject);
extern ULONG WINAPI   IDirectMusicCollectionImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface);
extern ULONG WINAPI   IDirectMusicCollectionImpl_IPersistStream_Release (LPPERSISTSTREAM iface);
extern HRESULT WINAPI IDirectMusicCollectionImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID);
extern HRESULT WINAPI IDirectMusicCollectionImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface);
extern HRESULT WINAPI IDirectMusicCollectionImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm);
extern HRESULT WINAPI IDirectMusicCollectionImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty);
extern HRESULT WINAPI IDirectMusicCollectionImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize);


/*****************************************************************************
 * IDirectMusicInstrumentImpl implementation structure
 */
struct IDirectMusicInstrumentImpl {
  /* IUnknown fields */
  IUnknownVtbl *UnknownVtbl;
  IDirectMusicInstrumentVtbl *InstrumentVtbl;
  DWORD          ref;

  /* IDirectMusicInstrumentImpl fields */
  LARGE_INTEGER liInstrumentPosition; /* offset in a stream where instrument chunk can be found */
  LPGUID pInstrumentID;
  LPINSTHEADER pHeader;
  WCHAR wszName[DMUS_MAX_NAME];
  /* instrument data */
};

/* IUnknown: */
extern HRESULT WINAPI IDirectMusicInstrumentImpl_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj);
extern ULONG WINAPI   IDirectMusicInstrumentImpl_IUnknown_AddRef (LPUNKNOWN iface);
extern ULONG WINAPI   IDirectMusicInstrumentImpl_IUnknown_Release (LPUNKNOWN iface);
/* IDirectMusicInstrumentImpl: */
extern HRESULT WINAPI IDirectMusicInstrumentImpl_IDirectMusicInstrument_QueryInterface (LPDIRECTMUSICINSTRUMENT iface, REFIID riid, LPVOID *ppobj);
extern ULONG WINAPI   IDirectMusicInstrumentImpl_IDirectMusicInstrument_AddRef (LPDIRECTMUSICINSTRUMENT iface);
extern ULONG WINAPI   IDirectMusicInstrumentImpl_IDirectMusicInstrument_Release (LPDIRECTMUSICINSTRUMENT iface);
extern HRESULT WINAPI IDirectMusicInstrumentImpl_IDirectMusicInstrument_GetPatch (LPDIRECTMUSICINSTRUMENT iface, DWORD* pdwPatch);
extern HRESULT WINAPI IDirectMusicInstrumentImpl_IDirectMusicInstrument_SetPatch (LPDIRECTMUSICINSTRUMENT iface, DWORD dwPatch);
/* custom :) */
extern HRESULT WINAPI IDirectMusicInstrumentImpl_Custom_Load (LPDIRECTMUSICINSTRUMENT iface, LPSTREAM pStm);

/**********************************************************************
 * Dll lifetime tracking declaration for dmusic.dll
 */
extern LONG DMUSIC_refCount;
static inline void DMUSIC_LockModule() { InterlockedIncrement( &DMUSIC_refCount ); }
static inline void DMUSIC_UnlockModule() { InterlockedDecrement( &DMUSIC_refCount ); }

/*****************************************************************************
 * Helper Functions
 */
void register_waveport (LPGUID lpGUID, LPCSTR lpszDesc, LPCSTR lpszDrvName, LPVOID lpContext);


/*****************************************************************************
 * Misc.
 */
/* my custom ICOM stuff */
#define ICOM_NAME_MULTI(impl,field,iface,name)  impl* const name=(impl*)((char*)(iface) - offsetof(impl,field))
#define ICOM_THIS_MULTI(impl,field,iface) ICOM_NAME_MULTI(impl,field,iface,This)
 
/* for simpler reading */
typedef struct _DMUS_PRIVATE_CHUNK {
      FOURCC fccID; /* FOURCC ID of the chunk */
      DWORD dwSize; /* size of the chunk */
} DMUS_PRIVATE_CHUNK, *LPDMUS_PRIVATE_CHUNK;

/* used for generic dumping (copied from ddraw) */
typedef struct {
    DWORD val;
    const char* name;
} flag_info;

typedef struct {
    const GUID *guid;
    const char* name;
} guid_info;

/* used for initialising structs (primarily for DMUS_OBJECTDESC) */
#define DM_STRUCT_INIT(x)                       \
      do {                                            \
            memset((x), 0, sizeof(*(x))); \
            (x)->dwSize = sizeof(*x);           \
      } while (0)

#define FE(x) { x, #x } 
#define GE(x) { &x, #x }

/* dwPatch from MIDILOCALE */
extern DWORD MIDILOCALE2Patch (LPMIDILOCALE pLocale);
/* MIDILOCALE from dwPatch */
extern void Patch2MIDILOCALE (DWORD dwPatch, LPMIDILOCALE pLocale);

/* check whether the given DWORD is even (return 0) or odd (return 1) */
extern int even_or_odd (DWORD number);
/* FOURCC to string conversion for debug messages */
extern const char *debugstr_fourcc (DWORD fourcc);
/* DMUS_VERSION struct to string conversion for debug messages */
extern const char *debugstr_dmversion (LPDMUS_VERSION version);
/* returns name of given GUID */
extern const char *debugstr_dmguid (const GUID *id);
/* returns name of given error code */
extern const char *debugstr_dmreturn (DWORD code);
/* generic flags-dumping function */
extern const char *debugstr_flags (DWORD flags, const flag_info* names, size_t num_names);
extern const char *debugstr_DMUS_OBJ_FLAGS (DWORD flagmask);
/* dump whole DMUS_OBJECTDESC struct */
extern const char *debugstr_DMUS_OBJECTDESC (LPDMUS_OBJECTDESC pDesc);

#endif      /* __WINE_DMUSIC_PRIVATE_H */

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