Source code of Windows XP (NT5)
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//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (c) 1998-1999 Microsoft Corporation
//
// File: spsttrk.h
//
//--------------------------------------------------------------------------
// SPstTrk.h : Declaration of the CSPstTrk
#ifndef __SPSTTRK_H_
#define __SPSTTRK_H_
#include "dmusici.h"
#include "DMCompos.h"
/////////////////////////////////////////////////////////////////////////////
// CSPstTrk
class CSPstTrk :
public IPersistStream,
public IDirectMusicTrack8
{
public:
CSPstTrk();
CSPstTrk(const CSPstTrk& rTrack, MUSIC_TIME mtStart, MUSIC_TIME mtEnd);
~CSPstTrk();
// ISPstTrk
public:
// IUnknown
//
virtual STDMETHODIMP QueryInterface(const IID &iid, void **ppv);
virtual STDMETHODIMP_(ULONG) AddRef();
virtual STDMETHODIMP_(ULONG) Release();
// ICommandTrack Methods
HRESULT STDMETHODCALLTYPE Init(
/*[in]*/ IDirectMusicSegment* pSegment
);
HRESULT STDMETHODCALLTYPE InitPlay(
/*[in]*/ IDirectMusicSegmentState* pSegmentState,
/*[in]*/ IDirectMusicPerformance* pPerformance,
/*[out]*/ void** ppStateData,
/*[in]*/ DWORD dwTrackID,
/*[in]*/ DWORD dwFlags
);
HRESULT STDMETHODCALLTYPE EndPlay(
/*[in]*/ void* pStateData
);
HRESULT STDMETHODCALLTYPE Play(
/*[in]*/ void* pStateData,
/*[in]*/ MUSIC_TIME mtStart,
/*[in]*/ MUSIC_TIME mtEnd,
/*[in]*/ MUSIC_TIME mtOffset,
DWORD dwFlags,
IDirectMusicPerformance* pPerf,
IDirectMusicSegmentState* pSegState,
DWORD dwVirtualID
);
HRESULT STDMETHODCALLTYPE GetPriority(
/*[out]*/ DWORD* pPriority
);
HRESULT STDMETHODCALLTYPE GetParam(
REFGUID rCommandGuid,
MUSIC_TIME mtTime,
MUSIC_TIME* pmtNext,
void* pData
);
HRESULT STDMETHODCALLTYPE SetParam(
/* [in] */ REFGUID rCommandGuid,
/* [in] */ MUSIC_TIME mtTime,
/* [out] */ void __RPC_FAR *pData);
HRESULT STDMETHODCALLTYPE AddNotificationType(
/* [in] */ REFGUID rGuidNotify
);
HRESULT STDMETHODCALLTYPE RemoveNotificationType(
/* [in] */ REFGUID rGuidNotify
);
HRESULT STDMETHODCALLTYPE Clone(
MUSIC_TIME mtStart,
MUSIC_TIME mtEnd,
IDirectMusicTrack** ppTrack);
// IDirectMusicCommon Methods
HRESULT STDMETHODCALLTYPE GetName(
/*[out]*/ BSTR* pbstrName
);
HRESULT STDMETHODCALLTYPE IsParamSupported(
/*[in]*/ REFGUID rGuid
);
// IPersist methods
HRESULT STDMETHODCALLTYPE GetClassID( LPCLSID pclsid );
// IPersistStream methods
HRESULT STDMETHODCALLTYPE IsDirty();
HRESULT STDMETHODCALLTYPE Save( LPSTREAM pStream, BOOL fClearDirty );
HRESULT STDMETHODCALLTYPE GetSizeMax( ULARGE_INTEGER* /*pcbSize*/ );
HRESULT STDMETHODCALLTYPE Load( LPSTREAM pStream );
// IDirectMusicTrack8 Methods
STDMETHODIMP PlayEx(void* pStateData,REFERENCE_TIME rtStart,
REFERENCE_TIME rtEnd,REFERENCE_TIME rtOffset,
DWORD dwFlags,IDirectMusicPerformance* pPerf,
IDirectMusicSegmentState* pSegSt,DWORD dwVirtualID) ;
STDMETHODIMP GetParamEx(REFGUID rguidType,REFERENCE_TIME rtTime,
REFERENCE_TIME* prtNext,void* pParam,void * pStateData, DWORD dwFlags) ;
STDMETHODIMP SetParamEx(REFGUID rguidType,REFERENCE_TIME rtTime,void* pParam, void * pStateData, DWORD dwFlags) ;
STDMETHODIMP Compose(IUnknown* pContext,
DWORD dwTrackGroup,
IDirectMusicTrack** ppResultTrack) ;
STDMETHODIMP Join(IDirectMusicTrack* pNewTrack,
MUSIC_TIME mtJoin,
IUnknown* pContext,
DWORD dwTrackGroup,
IDirectMusicTrack** ppResultTrack) ;
protected:
// internal methods
HRESULT SendNotification(MUSIC_TIME mtTime,
IDirectMusicPerformance* pPerf,
IDirectMusicSegment* pSegment,
IDirectMusicSegmentState* pSegState,
DWORD dwFlags);
void Clear();
// attributes
long m_cRef;
TList<DMSignPostStruct> m_SignPostList;
CRITICAL_SECTION m_CriticalSection; // for load and SetParam
BOOL m_fCSInitialized;
IDirectMusicPerformance* m_pPerformance; // is this necessary?
CDMCompos* m_pComposer; // for Segment Recompose on loop
// IDirectMusicSegment* m_pSegment;
BOOL m_fNotifyRecompose;
BYTE m_bRequiresSave;
};
#endif //__SPSTTRK_H_