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98 lines
4.4 KiB
98 lines
4.4 KiB
//
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// Microsoft Windows Media Technologies
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// © 1999 Microsoft Corporation. All rights reserved.
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//
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// Refer to your End User License Agreement for details on your rights/restrictions to use these sample files.
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//
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// MSHDSP.DLL is a sample WMDM Service Provider(SP) that enumerates fixed drives.
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// This sample shows you how to implement an SP according to the WMDM documentation.
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// This sample uses fixed drives on your PC to emulate portable media, and
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// shows the relationship between different interfaces and objects. Each hard disk
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// volume is enumerated as a device and directories and files are enumerated as
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// Storage objects under respective devices. You can copy non-SDMI compliant content
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// to any device that this SP enumerates. To copy an SDMI compliant content to a
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// device, the device must be able to report a hardware embedded serial number.
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// Hard disks do not have such serial numbers.
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//
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// To build this SP, you are recommended to use the MSHDSP.DSP file under Microsoft
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// Visual C++ 6.0 and run REGSVR32.EXE to register the resulting MSHDSP.DLL. You can
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// then build the sample application from the WMDMAPP directory to see how it gets
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// loaded by the application. However, you need to obtain a certificate from
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// Microsoft to actually run this SP. This certificate would be in the KEY.C file
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// under the INCLUDE directory for one level up.
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// MDSPStorage.h : Declaration of the CMDSPStorage
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#ifndef __MDSPSTORAGE_H_
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#define __MDSPSTORAGE_H_
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#define LYRA_BUFFER_BLOCK_SIZE 10240
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/////////////////////////////////////////////////////////////////////////////
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// CMDSPStorage
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class ATL_NO_VTABLE CMDSPStorage :
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public CComObjectRootEx<CComSingleThreadModel>,
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public CComCoClass<CMDSPStorage, &CLSID_MDSPStorage>,
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public IMDSPStorage, IMDSPObjectInfo, IMDSPObject
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{
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public:
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CMDSPStorage();
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~CMDSPStorage();
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DECLARE_REGISTRY_RESOURCEID(IDR_MDSPSTORAGE)
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BEGIN_COM_MAP(CMDSPStorage)
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COM_INTERFACE_ENTRY(IMDSPStorage)
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COM_INTERFACE_ENTRY(IMDSPObjectInfo)
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COM_INTERFACE_ENTRY(IMDSPObject)
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END_COM_MAP()
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// IMDSPStorage
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public:
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WCHAR m_wcsName[MAX_PATH];
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char m_szTmp[MAX_PATH];
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HANDLE m_hFile;
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//
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// Lyra encryption goo
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//
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BOOL m_fEncryptToMPX;
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BOOL m_fCreatedHeader;
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unsigned int m_LyraHeader[26];
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unsigned int m_rgEncryptionData[LYRA_BUFFER_BLOCK_SIZE];
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char m_LyraKeystore[33];
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unsigned int m_cUsedData;
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STDMETHOD(SetAttributes)(/*[out]*/ DWORD dwAttributes,/*[in]*/ _WAVEFORMATEX *pFormat);
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STDMETHOD(EnumStorage)(/*[out]*/ IMDSPEnumStorage **ppEnumStorage);
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STDMETHOD(CreateStorage)(/*[in]*/ DWORD dwAttributes, /*[in]*/ _WAVEFORMATEX *pFormat, /*[in]*/ LPWSTR pwszName, /*[out]*/ IMDSPStorage **ppNewStorage);
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STDMETHOD(GetRights)(PWMDMRIGHTS *ppRights, UINT *pnRightsCount, /*[in, out]*/BYTE abMac[WMDM_MAC_LENGTH]);
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STDMETHOD(GetSize)(/*[out]*/ DWORD *pdwSizeLow, /*[out]*/ DWORD *pdwSizeHigh);
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STDMETHOD(GetDate)(PWMDMDATETIME pDateTimeUTC);
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STDMETHOD(GetName)(/*[out,string,size_is(nMaxChars)]*/ LPWSTR pwszName, /*[in]*/ UINT nMaxChars);
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STDMETHOD(GetAttributes)(/*[out]*/ DWORD *pdwAttributes, /*[out]*/ _WAVEFORMATEX *pFormat);
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STDMETHOD(GetStorageGlobals)(/*[out]*/ IMDSPStorageGlobals **ppStorageGlobals);
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STDMETHOD(SendOpaqueCommand)(OPAQUECOMMAND *pCommand);
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// IMDSPObjectInfo
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STDMETHOD(GetPlayLength)(/*[out]*/ DWORD *pdwLength);
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STDMETHOD(SetPlayLength)(/*[in]*/ DWORD dwLength);
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STDMETHOD(GetPlayOffset)(/*[out]*/ DWORD *pdwOffset);
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STDMETHOD(SetPlayOffset)(/*[in]*/ DWORD dwOffset);
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STDMETHOD(GetTotalLength)(/*[out]*/ DWORD *pdwLength);
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STDMETHOD(GetLastPlayPosition)(/*[out]*/ DWORD *pdwLastPos);
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STDMETHOD(GetLongestPlayPosition)(/*[out]*/ DWORD *pdwLongestPos);
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// IMDSPObject
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STDMETHOD(Open)(/*[in]*/ UINT fuMode);
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STDMETHOD(Read)(/*[out,size_is(*pdwSize)]*/ BYTE *pData, /*[in,out]*/ DWORD *pdwSize, /*[in, out]*/BYTE abMac[WMDM_MAC_LENGTH]);
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STDMETHOD(Write)(/*[in, size_is(dwSize)]*/ BYTE *pData, /*[in]*/ DWORD *pdwSize, /*[in, out]*/BYTE abMac[WMDM_MAC_LENGTH]);
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STDMETHOD(Delete)(/* [in] */ UINT fuMode, /*[in]*/ IWMDMProgress *pProgress);
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STDMETHOD(Seek)(/*[in]*/ UINT fuFlags, /*[in]*/ DWORD dwOffset);
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STDMETHOD(Rename)(/*[in]*/ LPWSTR pwszNewName, /*[in]*/ IWMDMProgress *pProgress);
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STDMETHOD(Move)(/*[in]*/ UINT fuMode, /*[in]*/ IWMDMProgress *pProgress, /*[in]*/ IMDSPStorage *pTarget);
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STDMETHOD(Close)();
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};
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#endif //__MDSPSTORAGE_H_
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