windows-nt/Source/XPSP1/NT/multimedia/directx/dmusic/dmstyle/motiftrk.h
2020-09-26 16:20:57 +08:00

214 lines
5.7 KiB
C++

//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (c) 1998-1999 Microsoft Corporation
//
// File: motiftrk.h
//
//--------------------------------------------------------------------------
// MotifTrk.h : Declaration of the CMotifTrack
#ifndef __MOTIFTRACK_H_
#define __MOTIFTRACK_H_
//#include "resource.h" // main symbols
#include "Ptrntrk.h"
struct MotifTrackInfo : public PatternTrackInfo
{
MotifTrackInfo();
MotifTrackInfo(const MotifTrackInfo* pInfo, MUSIC_TIME mtStart, MUSIC_TIME mtEnd)
: PatternTrackInfo(pInfo, mtStart, mtEnd),
m_pPattern(NULL)
{
m_dwPatternTag = DMUS_PATTERN_MOTIF;
if (pInfo)
{
m_pPattern = pInfo->m_pPattern;
InitTrackVariations(m_pPattern);
if (m_pPattern) m_pPattern->AddRef();
}
}
~MotifTrackInfo();
virtual HRESULT STDMETHODCALLTYPE Init(
/*[in]*/ IDirectMusicSegment* pSegment
);
virtual HRESULT STDMETHODCALLTYPE InitPlay(
/*[in]*/ IDirectMusicTrack* pParentrack,
/*[in]*/ IDirectMusicSegmentState* pSegmentState,
/*[in]*/ IDirectMusicPerformance* pPerformance,
/*[out]*/ void** ppStateData,
/*[in]*/ DWORD dwTrackID,
/*[in]*/ DWORD dwFlags
);
CDirectMusicPattern* m_pPattern; // The motif's pattern
};
/////////////////////////////////////////////////////////////////////////////
// CMotifTrack
class CMotifTrack :
public IMotifTrack,
public IDirectMusicTrack8,
public IPersistStream
{
public:
CMotifTrack();
CMotifTrack(const CMotifTrack& rTrack, MUSIC_TIME mtStart, MUSIC_TIME mtEnd);
~CMotifTrack();
// IUnknown
//
virtual STDMETHODIMP QueryInterface(const IID &iid, void **ppv);
virtual STDMETHODIMP_(ULONG) AddRef();
virtual STDMETHODIMP_(ULONG) Release();
// IMotifTrack
public:
// IMotifTrack 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 pCommandGuid,
/* [in] */ MUSIC_TIME mtTime,
/* [out] */ void __RPC_FAR *pData);
HRESULT STDMETHODCALLTYPE AddNotificationType(
/* [in] */ REFGUID pGuidNotify
);
HRESULT STDMETHODCALLTYPE RemoveNotificationType(
/* [in] */ REFGUID pGuidNotify
);
HRESULT STDMETHODCALLTYPE Clone(
MUSIC_TIME mtStart,
MUSIC_TIME mtEnd,
IDirectMusicTrack** ppTrack);
HRESULT STDMETHODCALLTYPE IsParamSupported(
/*[in]*/ REFGUID pGuid
);
// 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) ;
// 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 );
HRESULT STDMETHODCALLTYPE SetTrack(IUnknown *pStyle, void* pPattern);
// IMotifTrack data members
protected:
// new internal play method
HRESULT STDMETHODCALLTYPE Play(
/*[in]*/ void* pStateData,
/*[in]*/ MUSIC_TIME mtStart,
/*[in]*/ MUSIC_TIME mtEnd,
/*[in]*/ MUSIC_TIME mtOffset,
REFERENCE_TIME rtOffset,
DWORD dwFlags,
IDirectMusicPerformance* pPerf,
IDirectMusicSegmentState* pSegState,
DWORD dwVirtualID,
BOOL fClockTime
);
// attributes
long m_cRef;
CRITICAL_SECTION m_CriticalSection; // for load and playback
BOOL m_fCSInitialized;
PatternTrackInfo* m_pTrackInfo;
BYTE m_bRequiresSave;
};
struct MotifTrackState : public PatternTrackState
{
MotifTrackState();
~MotifTrackState();
// methods
HRESULT Play(
/*[in]*/ MUSIC_TIME mtStart,
/*[in]*/ MUSIC_TIME mtEnd,
/*[in]*/ MUSIC_TIME mtOffset,
REFERENCE_TIME rtOffset,
IDirectMusicPerformance* pPerformance,
DWORD dwFlags,
BOOL fClockTime
);
// attributes
MUSIC_TIME m_mtMotifStart; // When the motif started relative to
// its primary segment
};
#endif //__MOTIFTRACK_H_