Source code of Windows XP (NT5)
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// Copyright (c) 1998-1999 Microsoft Corporation
// DMSegObj.h : Declaration of the CSegment
#ifndef __DIRECTMUSICSEGMENTOBJECT_H_
#define __DIRECTMUSICSEGMENTOBJECT_H_
#include "dmusici.h"
#include "dmusicf.h"
#include "dmime.h"
#include "TrkList.h"
#include "ntfylist.h"
#include "dmsstobj.h"
#include "..\shared\dmusicp.h"
#define COMPOSE_TRANSITION1 (DMUS_TRACKCONFIG_TRANS1_FROMSEGSTART | DMUS_TRACKCONFIG_TRANS1_FROMSEGCURRENT | DMUS_TRACKCONFIG_TRANS1_TOSEGSTART)
class CSegment;
DEFINE_GUID(IID_CSegment,0xb06c0c21, 0xd3c7, 0x11d3, 0x9b, 0xd1, 0x44, 0x45, 0x53, 0x54, 0x0, 0x0);
/////////////////////////////////////////////////////////////////////////////
// CSegment
class CSegment :
public IDirectMusicSegment8,
public IDirectMusicSegment8P,
public IPersistStream,
public IDirectMusicObject,
public AListItem,
public IDirectMusicObjectP
{
friend class CPerformance;
friend class CSegState;
friend class CSong;
public:
CSegment();
CSegment(DMUS_IO_SEGMENT_HEADER *pHeader, CSegment *pSource);
~CSegment();
CSegment* GetNext() { return (CSegment*)AListItem::GetNext();}
public:
// IUnknown
STDMETHODIMP QueryInterface(const IID &iid, void **ppv);
STDMETHODIMP_(ULONG) AddRef();
STDMETHODIMP_(ULONG) Release();
// IDirectMusicSegment
STDMETHODIMP GetLength(MUSIC_TIME *pmtLength);
STDMETHODIMP SetLength(MUSIC_TIME pmtLength);
STDMETHODIMP GetRepeats(DWORD *pdwRepeats);
STDMETHODIMP SetRepeats(DWORD dwRepeats);
STDMETHODIMP GetDefaultResolution(DWORD *pdwResolution);
STDMETHODIMP SetDefaultResolution(DWORD dwResolution);
STDMETHODIMP GetTrack(REFCLSID rType,DWORD dwGroupBits,DWORD dwIndex,IDirectMusicTrack **ppTrack);
STDMETHODIMP GetTrackGroup(IDirectMusicTrack* pTrack,DWORD* pdwGroupBits);
STDMETHODIMP InsertTrack(IDirectMusicTrack *pTrack,DWORD dwGroupBits);
STDMETHODIMP RemoveTrack(IDirectMusicTrack *pTrack);
STDMETHODIMP InitPlay(IDirectMusicSegmentState **ppSegState,IDirectMusicPerformance *pPerformance,DWORD dwFlags);
STDMETHODIMP GetGraph(IDirectMusicGraph** ppGraph);
STDMETHODIMP SetGraph(IDirectMusicGraph* pGraph);
STDMETHODIMP AddNotificationType(REFGUID rguidNotification);
STDMETHODIMP RemoveNotificationType(REFGUID rguidNotification);
STDMETHODIMP GetParam(REFGUID rguidDataType,DWORD dwGroupBits,
DWORD dwIndex,MUSIC_TIME mtTime,
MUSIC_TIME* pmtNext,void* pData);
STDMETHODIMP SetParam(REFGUID rguidDataType,DWORD dwGroupBits,
DWORD dwIndex,MUSIC_TIME mtTime,void* pData);
STDMETHODIMP Clone(MUSIC_TIME mtStart,MUSIC_TIME mtEnd,IDirectMusicSegment** ppSegment);
STDMETHODIMP GetStartPoint(MUSIC_TIME* pmtStart);
STDMETHODIMP SetStartPoint(MUSIC_TIME mtStart);
STDMETHODIMP GetLoopPoints(MUSIC_TIME* pmtStart,MUSIC_TIME* pmtEnd);
STDMETHODIMP SetLoopPoints(MUSIC_TIME mtStart,MUSIC_TIME mtEnd);
STDMETHODIMP SetPChannelsUsed(DWORD dwNumPChannels,DWORD* paPChannels);
// IDirectMusicSegment8
STDMETHODIMP SetTrackConfig(REFGUID rguidTrackClassID,DWORD dwGroup, DWORD dwIndex, DWORD dwFlagsOn, DWORD dwFlagsOff) ;
STDMETHODIMP GetAudioPathConfig(IUnknown ** ppIAudioPathConfig);
STDMETHODIMP Compose(MUSIC_TIME mtTime,
IDirectMusicSegment* pFromSegment,
IDirectMusicSegment* pToSegment,
IDirectMusicSegment** ppComposedSegment);
STDMETHODIMP Download(IUnknown *pAudioPath);
STDMETHODIMP Unload(IUnknown *pAudioPath);
// IDirectMusicSegment8P
STDMETHODIMP GetObjectInPath(DWORD dwPChannel, /* PChannel to search. */
DWORD dwStage, /* Which stage in the path. */
DWORD dwBuffer,
REFGUID guidObject, /* ClassID of object. */
DWORD dwIndex, /* Which object of that class. */
REFGUID iidInterface,/* Requested COM interface. */
void ** ppObject) ; /* Pointer to interface. */
STDMETHODIMP GetHeaderChunk(
DWORD *pdwSize, /* Size of passed header chunk. Also, returns size written. */
DMUS_IO_SEGMENT_HEADER *pHeader); /* Header chunk to fill. */
STDMETHODIMP SetHeaderChunk(
DWORD dwSize, /* Size of passed header chunk. */
DMUS_IO_SEGMENT_HEADER *pHeader); /* Header chunk to fill. */
STDMETHODIMP SetTrackPriority(
REFGUID rguidTrackClassID, /* ClassID of Track. */
DWORD dwGroupBits, /* Group bits. */
DWORD dwIndex, /* Nth track. */
DWORD dwPriority); /* Priority to set. */
STDMETHODIMP SetAudioPathConfig(
IUnknown *pAudioPathConfig);
// IPersist
STDMETHODIMP GetClassID( CLSID* pClsId );
// IPersistStream
STDMETHODIMP IsDirty();
STDMETHODIMP Load( IStream* pIStream );
STDMETHODIMP Save( IStream* pIStream, BOOL fClearDirty );
STDMETHODIMP GetSizeMax( ULARGE_INTEGER FAR* pcbSize );
// IDirectMusicObject
STDMETHODIMP GetDescriptor(LPDMUS_OBJECTDESC pDesc);
STDMETHODIMP SetDescriptor(LPDMUS_OBJECTDESC pDesc);
STDMETHODIMP ParseDescriptor(LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc);
HRESULT GetPChannels( DWORD* pdwNumPChannels, DWORD** ppaPChannels );
HRESULT CheckNotification( REFGUID );
// IDirectMusicObjectP
STDMETHOD_(void, Zombie)();
public:
HRESULT GetTrackConfig(REFGUID rguidTrackClassID,DWORD dwGroup, DWORD dwIndex, DWORD *pdwFlags) ;
HRESULT AddNotificationType(REFGUID rguidNotification, BOOL fFromPerformance);
HRESULT RemoveNotificationType(REFGUID rguidNotification, BOOL fFromPerformance);
BOOL IsTempoSource();
HRESULT CreateSegmentState(CSegState **ppSegState,CPerformance *pPerformance,
IDirectMusicAudioPath *pAudioPath, DWORD dwFlags);
CTrack *GetTrack(REFCLSID rType,DWORD dwGroupBits,DWORD dwIndex);
CTrack * GetTrackByParam(CTrack * pCTrack,REFGUID rguidType,DWORD dwGroupBits,DWORD dwIndex, BOOL fDontCheck);
HRESULT GetTrackByParam(REFGUID rgCommandGuid,DWORD dwGroupBits,
DWORD dwIndex,IDirectMusicTrack **ppTrack);
HRESULT LoadDirectMusicSegment(IStream* pIStream);
void AddNotificationTypeToAllTracks( REFGUID rguidNotification );
void RemoveNotificationTypeFromAllTracks( REFGUID rguidNotification );
CNotificationItem* FindNotification( REFGUID rguidNotification );
HRESULT LoadTrack(CRiffParser *pParser);
HRESULT CreateTrack(DMUS_IO_TRACK_HEADER& ioDMHdr, DWORD dwFlags, DWORD dwPriority, IStream *pStream);
HRESULT InsertTrack(IDirectMusicTrack *pTrack,DWORD dwGroupBits, DWORD dwFlags, DWORD dwPriority, DWORD dwPosition);
HRESULT LoadGraph(CRiffParser *pParser,CGraph **ppGraph);
HRESULT LoadAudioPath(IStream *pStream);
HRESULT ParseSegment(IStream* pIStream, LPDMUS_OBJECTDESC pDesc);
void Init();
HRESULT ComposeTransition(MUSIC_TIME mtTime,
IDirectMusicSegment* pFromSegment,
IDirectMusicSegment* pToSegment);
HRESULT ComposeInternal();
HRESULT SetClockTimeDuration(REFERENCE_TIME rtDuration);
HRESULT SetFlags(DWORD dwFlags);
void Clear(bool fZombie);
HRESULT MusicToReferenceTime(MUSIC_TIME mtTime, REFERENCE_TIME *prtTime);
HRESULT ReferenceToMusicTime(REFERENCE_TIME rtTime, MUSIC_TIME *pmtTime);
// Attributes
protected:
CRITICAL_SECTION m_CriticalSection;
DWORD m_dwRepeats; // # of times to repeat the segment. 0xffffffff is infinite
DWORD m_dwResolution; // the default resolution to start motifs and such.
DWORD m_dwSegFlags; // Flags loaded in with segment.
CTrackList m_TrackList; // list of Tracks held in this Segment
CAudioPathConfig* m_pAudioPathConfig; // Optional audio path loaded from file.
CGraph* m_pGraph; // Optional tool graph for segment.
CNotificationList m_NotificationList;
REFERENCE_TIME m_rtLength; // Optional length in reference time units.
MUSIC_TIME m_mtLength;
MUSIC_TIME m_mtStart;
MUSIC_TIME m_mtLoopStart;
MUSIC_TIME m_mtLoopEnd;
DWORD m_dwNumPChannels;
DWORD* m_paPChannels;
long m_cRef;
IUnknown * m_pUnkDispatch; // holds the controlling unknown of the scripting object that implements IDispatch
// IDirectMusicObject variables
DWORD m_dwValidData;
GUID m_guidObject;
FILETIME m_ftDate; /* Last edited date of object. */
DMUS_VERSION m_vVersion; /* Version. */
WCHAR m_wszName[DMUS_MAX_NAME]; /* Name of object. */
WCHAR m_wszCategory[DMUS_MAX_CATEGORY]; /* Category for object */
WCHAR m_wszFileName[DMUS_MAX_FILENAME]; /* File path. */
DWORD m_dwVersion; // Which version of the interfaces is the app requesting?
bool m_fZombie;
public:
DWORD m_dwLoadID; // Identifier, used when loaded as part of a song.
CSong* m_pSong; // Optional parent song that segment belongs to. This is not AddRef'd.
DWORD m_dwPlayID; // ID of segment, if within a song.
DWORD m_dwNextPlayID; // ID of next segment, if within a song.
DWORD m_dwNextPlayFlags; // DMUS_SEGF flags for playing next segment, if within a song.
BOOL m_fPlayNext; // Whether the next segment should be played.
};
class CSegmentList : public AList
{
public:
void Clear();
void AddHead(CSegment* pSegment) { AList::AddHead((AListItem*)pSegment);}
void Insert(CSegment* pSegment);
BOOL IsMember(CSegment *pSegment) { return AList::IsMember((AListItem*)pSegment);}
CSegment* GetHead(){return (CSegment*)AList::GetHead();}
CSegment* GetItem(LONG lIndex){return (CSegment*)AList::GetItem(lIndex);}
CSegment* RemoveHead() {return (CSegment *) AList::RemoveHead();}
void Remove(CSegment* pSegment){AList::Remove((AListItem*)pSegment);}
void AddTail(CSegment* pSegment){AList::AddTail((AListItem*)pSegment);}
CSegment* GetTail(){ return (CSegment*)AList::GetTail();}
};
#endif //__DIRECTMUSICSEGMENTOBJECT_H_