/************************************************************************
*                                                                       *
*   dmusics.h -- Definitions for created a DirectMusic software synth   *
*                                                                       *
*   Copyright (c) 1998-1999 Microsoft Corporation
*                                                                       *
************************************************************************/

#ifndef _DMUSICS_
#define _DMUSICS_

#include "dmusicc.h"

/* Software synths are enumerated from under this registry key.
 */
#define REGSTR_PATH_SOFTWARESYNTHS  "Software\\Microsoft\\DirectMusic\\SoftwareSynths"

interface IDirectMusicSynth;
interface IDirectMusicSynthSink;

#ifndef __cplusplus 
typedef interface IDirectMusicSynth IDirectMusicSynth;
typedef interface IDirectMusicSynthSink IDirectMusicSynthSink;
#endif

#ifndef _DMUS_VOICE_STATE_DEFINED
#define _DMUS_VOICE_STATE_DEFINED

typedef struct _DMUS_VOICE_STATE
{
    BOOL                bExists;
    SAMPLE_POSITION     spPosition;
} DMUS_VOICE_STATE; 

#endif /* _DMUS_VOICE_STATE_DEFINED */

/* IDirectMusicSynth::Refresh
 *
 * This is the last buffer of the stream. It may be a partial block.
 */
#define REFRESH_F_LASTBUFFER        0x00000001

#undef  INTERFACE
#define INTERFACE  IDirectMusicSynth
DECLARE_INTERFACE_(IDirectMusicSynth, IUnknown)
{
    /* IUnknown */
    STDMETHOD(QueryInterface)       (THIS_ REFIID, LPVOID FAR *) PURE;
    STDMETHOD_(ULONG,AddRef)        (THIS) PURE;
    STDMETHOD_(ULONG,Release)       (THIS) PURE;

    /* IDirectMusicSynth */
    STDMETHOD(Open)                 (THIS_ LPDMUS_PORTPARAMS pPortParams) PURE;
    STDMETHOD(Close)                (THIS) PURE;
    STDMETHOD(SetNumChannelGroups)  (THIS_ DWORD dwGroups) PURE;
    STDMETHOD(Download)             (THIS_ LPHANDLE phDownload, 
                                           LPVOID pvData, 
                                           LPBOOL pbFree ) PURE;
    STDMETHOD(Unload)               (THIS_ HANDLE hDownload, 
                                           HRESULT ( CALLBACK *lpFreeHandle)(HANDLE,HANDLE), 
                                           HANDLE hUserData ) PURE; 
    STDMETHOD(PlayBuffer)           (THIS_ REFERENCE_TIME rt, 
                                           LPBYTE pbBuffer, 
                                           DWORD cbBuffer) PURE;
    STDMETHOD(GetRunningStats)      (THIS_ LPDMUS_SYNTHSTATS pStats) PURE;
    STDMETHOD(GetPortCaps)          (THIS_ LPDMUS_PORTCAPS pCaps) PURE;
    STDMETHOD(SetMasterClock)       (THIS_ IReferenceClock *pClock) PURE;
    STDMETHOD(GetLatencyClock)      (THIS_ IReferenceClock **ppClock) PURE;
    STDMETHOD(Activate)             (THIS_ BOOL fEnable) PURE;
    STDMETHOD(SetSynthSink)         (THIS_ IDirectMusicSynthSink *pSynthSink) PURE;
    STDMETHOD(Render)               (THIS_ short *pBuffer, 
                                           DWORD dwLength, 
                                           LONGLONG llPosition) PURE;
    STDMETHOD(SetChannelPriority)   (THIS_ DWORD dwChannelGroup,
                                           DWORD dwChannel,
                                           DWORD dwPriority) PURE;
    STDMETHOD(GetChannelPriority)   (THIS_ DWORD dwChannelGroup,
                                           DWORD dwChannel,
                                           LPDWORD pdwPriority) PURE;
    STDMETHOD(GetFormat)            (THIS_ LPWAVEFORMATEX pWaveFormatEx,
                                           LPDWORD pdwWaveFormatExSize) PURE;
    STDMETHOD(GetAppend)            (THIS_ DWORD* pdwAppend) PURE;
};

#undef  INTERFACE

#define INTERFACE  IDirectMusicSynth8
DECLARE_INTERFACE_(IDirectMusicSynth8, IDirectMusicSynth)
{
    /* IUnknown */
    STDMETHOD(QueryInterface)       (THIS_ REFIID, LPVOID FAR *) PURE;
    STDMETHOD_(ULONG,AddRef)        (THIS) PURE;
    STDMETHOD_(ULONG,Release)       (THIS) PURE;

    /* IDirectMusicSynth */
    STDMETHOD(Open)                 (THIS_ LPDMUS_PORTPARAMS pPortParams) PURE;
    STDMETHOD(Close)                (THIS) PURE;
    STDMETHOD(SetNumChannelGroups)  (THIS_ DWORD dwGroups) PURE;
    STDMETHOD(Download)             (THIS_ LPHANDLE phDownload, 
                                           LPVOID pvData, 
                                           LPBOOL pbFree ) PURE;
    STDMETHOD(Unload)               (THIS_ HANDLE hDownload, 
                                           HRESULT ( CALLBACK *lpFreeHandle)(HANDLE,HANDLE), 
                                           HANDLE hUserData ) PURE; 
    STDMETHOD(PlayBuffer)           (THIS_ REFERENCE_TIME rt, 
                                           LPBYTE pbBuffer, 
                                           DWORD cbBuffer) PURE;
    STDMETHOD(GetRunningStats)      (THIS_ LPDMUS_SYNTHSTATS pStats) PURE;
    STDMETHOD(GetPortCaps)          (THIS_ LPDMUS_PORTCAPS pCaps) PURE;
    STDMETHOD(SetMasterClock)       (THIS_ IReferenceClock *pClock) PURE;
    STDMETHOD(GetLatencyClock)      (THIS_ IReferenceClock **ppClock) PURE;
    STDMETHOD(Activate)             (THIS_ BOOL fEnable) PURE;
    STDMETHOD(SetSynthSink)         (THIS_ IDirectMusicSynthSink *pSynthSink) PURE;
    STDMETHOD(Render)               (THIS_ short *pBuffer, 
                                           DWORD dwLength, 
                                           LONGLONG llPosition) PURE;
    STDMETHOD(SetChannelPriority)   (THIS_ DWORD dwChannelGroup,
                                           DWORD dwChannel,
                                           DWORD dwPriority) PURE;
    STDMETHOD(GetChannelPriority)   (THIS_ DWORD dwChannelGroup,
                                           DWORD dwChannel,
                                           LPDWORD pdwPriority) PURE;
    STDMETHOD(GetFormat)            (THIS_ LPWAVEFORMATEX pWaveFormatEx,
                                           LPDWORD pdwWaveFormatExSize) PURE;
    STDMETHOD(GetAppend)            (THIS_ DWORD* pdwAppend) PURE;

	/* IDirectMusicSynth8 */
    STDMETHOD(PlayVoice)            (THIS_ REFERENCE_TIME rt, 
										   DWORD dwVoiceId, 
										   DWORD dwChannelGroup, 
										   DWORD dwChannel, 
										   DWORD dwDLId, 
										   long	 prPitch,			/* PREL not defined here */
										   long  vrVolume,          /* VREL not defined here */
                                           SAMPLE_TIME stVoiceStart,
                                           SAMPLE_TIME stLoopStart,
                                           SAMPLE_TIME stLoopEnd) PURE;

    STDMETHOD(StopVoice)            (THIS_ REFERENCE_TIME rt, 
										   DWORD dwVoiceId ) PURE;

    STDMETHOD(GetVoiceState)        (THIS_ DWORD dwVoice[], 
										   DWORD cbVoice,
										   DMUS_VOICE_STATE dwVoiceState[] ) PURE;
    STDMETHOD(Refresh)              (THIS_ DWORD dwDownloadID,
                                           DWORD dwFlags) PURE;
    STDMETHOD(AssignChannelToBuses) (THIS_ DWORD dwChannelGroup,
                                           DWORD dwChannel,
                                           LPDWORD pdwBuses,
                                           DWORD cBuses) PURE;                                           
};

#undef  INTERFACE
#define INTERFACE  IDirectMusicSynthSink
DECLARE_INTERFACE_(IDirectMusicSynthSink, IUnknown)
{
    /* IUnknown */
    STDMETHOD(QueryInterface)       (THIS_ REFIID, LPVOID FAR *) PURE;
    STDMETHOD_(ULONG,AddRef)        (THIS) PURE;
    STDMETHOD_(ULONG,Release)       (THIS) PURE;

    /* IDirectMusicSynthSink */
    STDMETHOD(Init)                 (THIS_ IDirectMusicSynth *pSynth) PURE;
    STDMETHOD(SetMasterClock)       (THIS_ IReferenceClock *pClock) PURE;
    STDMETHOD(GetLatencyClock)      (THIS_ IReferenceClock **ppClock) PURE;
    STDMETHOD(Activate)             (THIS_ BOOL fEnable) PURE;
    STDMETHOD(SampleToRefTime)      (THIS_ LONGLONG llSampleTime,
                                           REFERENCE_TIME *prfTime) PURE;
    STDMETHOD(RefTimeToSample)      (THIS_ REFERENCE_TIME rfTime, 
                                           LONGLONG *pllSampleTime) PURE;
    STDMETHOD(SetDirectSound)       (THIS_ LPDIRECTSOUND pDirectSound,
                                           LPDIRECTSOUNDBUFFER pDirectSoundBuffer) PURE;                                           
    STDMETHOD(GetDesiredBufferSize) (THIS_ LPDWORD pdwBufferSizeInSamples) PURE;                                           
};

DEFINE_GUID(IID_IDirectMusicSynth, 0x9823661,  0x5c85, 0x11d2, 0xaf, 0xa6, 0x0, 0xaa, 0x0, 0x24, 0xd8, 0xb6);
DEFINE_GUID(IID_IDirectMusicSynth8,0x53cab625, 0x2711, 0x4c9f, 0x9d, 0xe7, 0x1b, 0x7f, 0x92, 0x5f, 0x6f, 0xc8);
DEFINE_GUID(IID_IDirectMusicSynthSink,0x9823663, 0x5c85, 0x11d2, 0xaf, 0xa6, 0x0, 0xaa, 0x0, 0x24, 0xd8, 0xb6);

/* Property Set GUID_DMUS_PROP_SetSynthSink
 *
 * Item 0: An IUnknown on which the port can QueryInterface for a user-mode synth sink.
 */
DEFINE_GUID(GUID_DMUS_PROP_SetSynthSink,0x0a3a5ba5, 0x37b6, 0x11d2, 0xb9, 0xf9, 0x00, 0x00, 0xf8, 0x75, 0xac, 0x12);

/* Property Set GUID_DMUS_PROP_SinkUsesDSound
 *
 * Item 0: A DWORD boolean indicating whether or not the sink requires an IDirectSound interface. The
 * default is FALSE if this property item is not implemented by the sink.
 */
DEFINE_GUID(GUID_DMUS_PROP_SinkUsesDSound, 0xbe208857, 0x8952, 0x11d2, 0xba, 0x1c, 0x00, 0x00, 0xf8, 0x75, 0xac, 0x12); 

#endif
