Source code of Windows XP (NT5)
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//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (c) 1998-1999 Microsoft Corporation
//
// File: mutetrk.h
//
//--------------------------------------------------------------------------
// MuteTrk.h : Declaration of the CMuteTrack
#ifndef __MUTETRACK_H_
#define __MUTETRACK_H_
#include "tlist.h"
#include "dmsect.h"
#include "dmusici.h"
// A mute track will have a list of lists of time-stamped MuteData mappings
struct MapSequence
{
DWORD m_dwPChannel;
TList<MuteMapping> m_Mappings;
};
/////////////////////////////////////////////////////////////////////////////
// CMuteTrack
class CMuteTrack :
public IDirectMusicTrack8,
public IPersistStream
{
public:
CMuteTrack();
CMuteTrack(const CMuteTrack& rTrack, MUSIC_TIME mtStart, MUSIC_TIME mtEnd);
~CMuteTrack();
// IUnknown
//
virtual STDMETHODIMP QueryInterface(const IID &iid, void **ppv);
virtual STDMETHODIMP_(ULONG) AddRef();
virtual STDMETHODIMP_(ULONG) Release();
public:
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 pCommandGuid,
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 );
// CMuteTrack members
protected:
void Clear();
long m_cRef;
TList<MapSequence> m_MapSequenceList; // one MapSequence per PChannel
CRITICAL_SECTION m_CriticalSection; // for load and GetParam
BOOL m_fCSInitialized;
BYTE m_bRequiresSave;
};
#endif //__MUTETRACK_H_