Leaked source code of windows server 2003
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#ifndef __TOOLPARAM_H__
#define __TOOLPARAM_H__
#include "medparam.h"
#include "alist.h"
typedef struct _ParamInfo
{
DWORD dwIndex; // Which parameter.
MP_PARAMINFO MParamInfo; // Standard MediaParams structure.
WCHAR * pwchText; // Array of text names for enumerated types.
} ParamInfo;
class CCurveItem : public AListItem
{
public:
CCurveItem* GetNext() { return (CCurveItem*)AListItem::GetNext();}
MP_ENVELOPE_SEGMENT m_Envelope; // Envelope segment.
};
class CCurveList : public AList
{
public:
// void Clear();
void AddHead(CCurveItem* pCurveItem) { AList::AddHead((AListItem*)pCurveItem);}
// void Insert(CCurveItem* pCurveItem);
CCurveItem* GetHead(){return (CCurveItem*)AList::GetHead();}
// CCurveItem* GetItem(LONG lIndex){return (CCurveItem*)AList::GetItem(lIndex);}
CCurveItem* RemoveHead(){ return (CCurveItem*)AList::RemoveHead();}
// void Remove(CCurveItem* pCurveItem){AList::Remove((AListItem*)pCurveItem);}
// void AddTail(CCurveItem* pCurveItem){AList::AddTail((AListItem*)pCurveItem);}
// CCurveItem* GetTail(){ return (CCurveItem*)AList::GetTail();}
};
#define MAX_REF_TIME 0x7FFFFFFFFFFFFFFF
#define MP_CAPS_ALL MP_CAPS_CURVE_JUMP | MP_CAPS_CURVE_LINEAR | MP_CAPS_CURVE_SQUARE | MP_CAPS_CURVE_INVSQUARE | MP_CAPS_CURVE_SINE
class CParamsManager : public IMediaParams, public IMediaParamInfo
{
public:
CParamsManager();
~CParamsManager();
// IUnknown
STDMETHOD(QueryInterface)(REFIID, LPVOID FAR *) PURE;
STDMETHOD_(ULONG, AddRef)() PURE;
STDMETHOD_(ULONG, Release)() PURE;
// IMediaParams
STDMETHODIMP GetParam(DWORD dwParamIndex, MP_DATA *pValue);
STDMETHODIMP SetParam( DWORD dwParamIndex,MP_DATA value);
STDMETHODIMP AddEnvelope(DWORD dwParamIndex,DWORD cPoints,MP_ENVELOPE_SEGMENT *ppEnvelope);
STDMETHODIMP FlushEnvelope( DWORD dwParamIndex,REFERENCE_TIME refTimeStart,REFERENCE_TIME refTimeEnd);
STDMETHODIMP SetTimeFormat( GUID guidTimeFormat,MP_TIMEDATA mpTimeData);
// IMediaParamInfo
STDMETHODIMP GetParamCount(DWORD *pdwParams);
STDMETHODIMP GetParamInfo(DWORD dwParamIndex,MP_PARAMINFO *pInfo);
STDMETHODIMP GetParamText(DWORD dwParamIndex,WCHAR **ppwchText);
STDMETHODIMP GetNumTimeFormats(DWORD *pdwNumTimeFormats);
STDMETHODIMP GetSupportedTimeFormat(DWORD dwFormatIndex,GUID *pguidTimeFormat);
STDMETHODIMP GetCurrentTimeFormat( GUID *pguidTimeFormat,MP_TIMEDATA *pTimeData);
protected:
HRESULT InitParams( DWORD cParams, ParamInfo *pParamInfos);
HRESULT GetParamFloat (DWORD dwParamIndex,REFERENCE_TIME rt,float *pval);
HRESULT GetParamInt (DWORD dwParamIndex,REFERENCE_TIME rt,long *pval);
HRESULT CopyParamsFromSource(CParamsManager * pSource);
// data
CRITICAL_SECTION m_ParamsCriticalSection;
BOOL m_fDirty; // Has data changed since last file load or save?
BOOL m_fMusicTime; // True if time format is music time, else false for clock time.
DWORD m_cParams; // Nuimber of parameters.
ParamInfo *m_pParamInfos; // Array of ParamInfo structures, one for each parameter.
CCurveList *m_pCurveLists; // Array of Curve lists, one for each parameter.
};
#endif // __TOOLPARAM_H__