205 lines
8.6 KiB
C++
205 lines
8.6 KiB
C++
// Copyright (c) 1998-1999 Microsoft Corporation
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// DMSegObj.h : Declaration of the CSegment
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#ifndef __DIRECTMUSICSONGOBJECT_H_
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#define __DIRECTMUSICSONGOBJECT_H_
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#include "dmusici.h"
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#include "dmusicf.h"
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#include "dmime.h"
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#include "TrkList.h"
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#include "dmgraph.h"
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#include "dmsegobj.h"
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#include "tlist.h"
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#include "..\shared\dmusicp.h"
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class CVirtualSegment : public AListItem
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{
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friend class CSong;
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friend class ComposingTrack;
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public:
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CVirtualSegment();
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~CVirtualSegment();
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CVirtualSegment* GetNext() { return (CVirtualSegment*)AListItem::GetNext();}
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CTrack * GetTrackByParam( CTrack * pCTrack,
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REFGUID rguidType,DWORD dwGroupBits,DWORD dwIndex);
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private:
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CTrackList m_TrackList; // List of tracks that this segment uses.
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CSegment * m_pSourceSegment; // Segment that is used as basis for this segment.
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CSegment * m_pPlaySegment; // Resulting segment that will be played.
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CGraph * m_pGraph; // Optional tool graph.
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DWORD m_dwFlags; // Various control flags.
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DWORD m_dwID; // Unique ID.
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DWORD m_dwNextPlayID; // ID of next segment, to chain segments into a song.
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DWORD m_dwNextPlayFlags; // DMUS_SEGF flags for playing next segment, when chaining a song.
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DMUS_IO_SEGMENT_HEADER m_SegHeader; // Segment header, used to define the segment that it creates, or change the one it references.
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MUSIC_TIME m_mtTime; // Start time of this segment.
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DWORD m_dwTransitionCount;// How many transitions are defined.
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DMUS_IO_TRANSITION_DEF *m_pTransitions; // Array of transitions from other segments.
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WCHAR m_wszName[DMUS_MAX_NAME];// Name of generated segment.
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};
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class CVirtualSegmentList : public AList
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{
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public:
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void Clear();
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void AddHead(CVirtualSegment* pVirtualSegment) { AList::AddHead((AListItem*)pVirtualSegment);}
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void Insert(CVirtualSegment* pVirtualSegment);
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CVirtualSegment* GetHead(){return (CVirtualSegment*)AList::GetHead();}
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CVirtualSegment* GetItem(LONG lIndex){return (CVirtualSegment*)AList::GetItem(lIndex);}
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CVirtualSegment* RemoveHead() { return (CVirtualSegment *)AList::RemoveHead();};
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void Remove(CVirtualSegment* pVirtualSegment){AList::Remove((AListItem*)pVirtualSegment);}
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void AddTail(CVirtualSegment* pVirtualSegment){AList::AddTail((AListItem*)pVirtualSegment);}
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CVirtualSegment* GetTail(){ return (CVirtualSegment*)AList::GetTail();}
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};
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class CSongSegment : public AListItem
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{
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public:
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CSongSegment();
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~CSongSegment();
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CSongSegment* GetNext() { return (CSongSegment*)AListItem::GetNext();}
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CSegment * m_pSegment;
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DWORD m_dwLoadID;
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};
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class CSongSegmentList : public AList
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{
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public:
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HRESULT AddSegment(CSegment *pSegment, DWORD dwLoadID);
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void Clear();
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void AddHead(CSongSegment* pSongSegment) { AList::AddHead((AListItem*)pSongSegment);}
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void Insert(CSongSegment* pSongSegment);
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CSongSegment* GetHead(){return (CSongSegment*)AList::GetHead();}
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CSongSegment* GetItem(LONG lIndex){return (CSongSegment*)AList::GetItem(lIndex);}
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CSongSegment* RemoveHead() { return (CSongSegment *)AList::RemoveHead();};
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void Remove(CSongSegment* pSongSegment){AList::Remove((AListItem*)pSongSegment);}
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void AddTail(CSongSegment* pSongSegment){AList::AddTail((AListItem*)pSongSegment);}
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CSongSegment* GetTail(){ return (CSongSegment*)AList::GetTail();}
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};
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class CSong;
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DEFINE_GUID(IID_CSong,0xb06c0c22, 0xd3c7, 0x11d3, 0x9b, 0xd1, 0x44, 0x45, 0x53, 0x54, 0x0, 0x0);
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/////////////////////////////////////////////////////////////////////////////
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// CSong
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class CSong :
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public IDirectMusicSong,
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public IPersistStream,
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public IDirectMusicObject,
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public IDirectMusicObjectP
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{
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public:
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CSong();
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~CSong();
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public:
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// IUnknown
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STDMETHODIMP QueryInterface(const IID &iid, void **ppv);
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STDMETHODIMP_(ULONG) AddRef();
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STDMETHODIMP_(ULONG) Release();
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// IDirectMusicSong
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STDMETHODIMP Compose( );
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STDMETHODIMP GetParam( REFGUID rguidType,
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DWORD dwGroupBits,
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DWORD dwIndex,
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MUSIC_TIME mtTime,
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MUSIC_TIME* pmtNext,
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void* pParam) ;
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STDMETHODIMP GetSegment( WCHAR *wszName,IDirectMusicSegment **ppSegment) ;
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STDMETHODIMP EnumSegment( DWORD dwIndex,IDirectMusicSegment **ppSegment) ;
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STDMETHODIMP GetAudioPathConfig(IUnknown ** ppAudioPathConfig);
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STDMETHODIMP Download(IUnknown *pAudioPath);
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STDMETHODIMP Unload(IUnknown *pAudioPath);
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// IPersist
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STDMETHODIMP GetClassID( CLSID* pClsId );
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// IPersistStream
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STDMETHODIMP IsDirty();
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STDMETHODIMP Load( IStream* pIStream );
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STDMETHODIMP Save( IStream* pIStream, BOOL fClearDirty );
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STDMETHODIMP GetSizeMax( ULARGE_INTEGER FAR* pcbSize );
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// IDirectMusicObject
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STDMETHODIMP GetDescriptor(LPDMUS_OBJECTDESC pDesc);
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STDMETHODIMP SetDescriptor(LPDMUS_OBJECTDESC pDesc);
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STDMETHODIMP ParseDescriptor(LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc);
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// IDirectMusicObjectP
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STDMETHOD_(void, Zombie)();
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public:
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HRESULT GetTransitionSegment(CSegment *pSource, CSegment *pDestination,
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DMUS_IO_TRANSITION_DEF *pTransDef);
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HRESULT GetPlaySegment( DWORD dwIndex,CSegment **ppSegment) ;
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private:
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void Clear();
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HRESULT Instantiate() ;
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HRESULT LoadReferencedSegment(CSegment **ppSegment, CRiffParser *pParser);
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HRESULT LoadSegmentList(CRiffParser *pParser);
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HRESULT LoadGraphList(CRiffParser *pParser);
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HRESULT LoadVirtualSegmentList(CRiffParser *pParser);
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HRESULT LoadTrackRefList(CRiffParser *pParser, CVirtualSegment *pVirtualSegment);
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HRESULT LoadAudioPath(IStream *pStream);
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void GetGraph(CGraph **ppGraph,DWORD dwGraphID);
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void GetSourceSegment(CSegment **ppSegment,DWORD dwSegmentID);
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BOOL GetSegmentTrack(IDirectMusicTrack **ppTrack,DWORD dwSegmentID,DWORD dwGroupBits,DWORD dwIndex,REFGUID guidClassID);
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CAudioPathConfig* m_pAudioPathConfig; // Optional audio path loaded from file.
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CGraphList m_GraphList; // List of graphs for use by segments in the song.
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CSongSegmentList m_SegmentList; // List of source segments.
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CSegmentList m_PlayList; // List of composed segments.
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CVirtualSegmentList m_VirtualSegmentList; // List of segment references. This is what is used to compose the finished song.
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CRITICAL_SECTION m_CriticalSection;
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DWORD m_fPartialLoad;
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DWORD m_dwFlags;
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DWORD m_dwStartSegID; // ID of first segment, in play list, that should play.
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long m_cRef;
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// IDirectMusicObject variables
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DWORD m_dwValidData;
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GUID m_guidObject;
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FILETIME m_ftDate; /* Last edited date of object. */
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DMUS_VERSION m_vVersion; /* Version. */
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WCHAR m_wszName[DMUS_MAX_NAME]; /* Name of object. */
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WCHAR m_wszCategory[DMUS_MAX_CATEGORY]; /* Category for object */
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WCHAR m_wszFileName[DMUS_MAX_FILENAME]; /* File path. */
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DWORD m_dwVersion; // Which version of the interfaces is the app requesting?
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IUnknown * m_pUnkDispatch; // holds the controlling unknown of the scripting object that implements IDispatch
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bool m_fZombie;
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};
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struct CompositionComponent
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{
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CVirtualSegment* pVirtualSegment; // composing track came from here
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CTrack* pComposingTrack; // used for composition
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MUSIC_TIME mtTime;
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};
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class ComposingTrack
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{
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public:
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ComposingTrack();
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~ComposingTrack();
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DWORD GetTrackGroup() { return m_dwTrackGroup; }
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GUID GetTrackID() { return m_guidClassID; }
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DWORD GetPriority() { return m_dwPriority; }
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void SetPriority(DWORD dwPriority) { m_dwPriority = dwPriority; }
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void SetTrackGroup(DWORD dwTrackGroup) { m_dwTrackGroup = dwTrackGroup; }
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void SetTrackID(GUID& rguidClassID) { m_guidClassID = rguidClassID; }
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HRESULT AddTrack(CVirtualSegment* pVirtualSegment, CTrack* pTrack);
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HRESULT Compose(IDirectMusicSong* pSong);
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private:
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GUID m_guidClassID; // composing track's class id
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DWORD m_dwTrackGroup; // track will be composed from these groups
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DWORD m_dwPriority; // Track priority, to order the composition process.
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TList<CompositionComponent> m_Components; // list of components making up the master
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};
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#endif //__DIRECTMUSICSONGOBJECT_H_
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