[3] | 1 | //////////////////////////////////////////////////////////// |
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| 2 | // Copyright (C) Roman Ryltsov, 2008-2011 |
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| 3 | // Created by Roman Ryltsov roman@alax.info |
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| 4 | // |
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| 5 | // $Id: FindLargestMediaSample.cpp 3 2011-08-16 21:15:30Z roman $ |
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| 6 | |
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| 7 | #include "stdafx.h" |
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| 8 | #include <dshow.h> |
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| 9 | #import "libid:C8D585EA-23F9-4D3E-9727-23CD02ED96C7" no_namespace raw_interfaces_only named_guids |
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| 10 | #pragma comment(lib, "strmiids.lib") |
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| 11 | |
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| 12 | //////////////////////////////////////////////////////////// |
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| 13 | // CModule |
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| 14 | |
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| 15 | class CModule : |
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| 16 | public CAtlExeModuleT<CModule> |
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| 17 | { |
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| 18 | public: |
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| 19 | |
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| 20 | //////////////////////////////////////////////////////// |
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| 21 | // CInspectionFilterSite |
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| 22 | |
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| 23 | class ATL_NO_VTABLE CInspectionFilterSite : |
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| 24 | public CComObjectRootEx<CComMultiThreadModelNoCS>, |
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| 25 | public IInspectionFilterSite |
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| 26 | { |
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| 27 | public: |
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| 28 | |
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| 29 | BEGIN_COM_MAP(CInspectionFilterSite) |
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| 30 | COM_INTERFACE_ENTRY(IInspectionFilterSite) |
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| 31 | END_COM_MAP() |
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| 32 | |
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| 33 | private: |
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| 34 | mutable CComAutoCriticalSection m_DataCriticalSection; |
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| 35 | CModule* m_pOwner; |
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| 36 | SIZE_T m_nMaximalDataSize; |
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| 37 | REFERENCE_TIME m_nLastReportTime; |
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| 38 | |
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| 39 | public: |
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| 40 | // CInspectionFilterSite |
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| 41 | CInspectionFilterSite() throw() : |
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| 42 | m_pOwner(NULL) |
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| 43 | { |
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| 44 | ATLTRACE(atlTraceRefcount, 4, _T("this 0x%p\n"), this); |
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| 45 | } |
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| 46 | ~CInspectionFilterSite() throw() |
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| 47 | { |
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| 48 | ATLTRACE(atlTraceRefcount, 4, _T("this 0x%p\n"), this); |
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| 49 | ATLASSERT(!m_pOwner); |
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| 50 | } |
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| 51 | VOID Initialize(CModule* pOwner) |
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| 52 | { |
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| 53 | ATLASSERT(pOwner); |
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| 54 | CComCritSecLock<CComAutoCriticalSection> DataLock(m_DataCriticalSection); |
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| 55 | m_pOwner = pOwner; |
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| 56 | m_nMaximalDataSize = 0; |
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| 57 | m_nLastReportTime = 0; |
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| 58 | } |
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| 59 | VOID Terminate() throw() |
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| 60 | { |
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| 61 | CComCritSecLock<CComAutoCriticalSection> DataLock(m_DataCriticalSection); |
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| 62 | m_pOwner = NULL; |
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| 63 | } |
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| 64 | SIZE_T GetMaximalDataSize() const throw() |
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| 65 | { |
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| 66 | CComCritSecLock<CComAutoCriticalSection> DataLock(m_DataCriticalSection); |
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| 67 | return m_nMaximalDataSize; |
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| 68 | } |
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| 69 | |
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| 70 | // IInspectionFilterSite |
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| 71 | STDMETHOD(EnumerateMediaTypes)(BYTE** ppnMediaTypes, ULONG* pnMediaTypeCount) throw() |
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| 72 | { |
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| 73 | ATLTRACE(atlTraceCOM, 4, _T("...\n")); |
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| 74 | _ATLTRY |
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| 75 | { |
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| 76 | ATLENSURE_THROW(ppnMediaTypes && pnMediaTypeCount, E_POINTER); |
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| 77 | CComHeapPtr<AM_MEDIA_TYPE*> ppMediaTypes; |
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| 78 | ATLENSURE_THROW(ppMediaTypes.Allocate(1), E_OUTOFMEMORY); |
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| 79 | AM_MEDIA_TYPE* pMediaType = ppMediaTypes[0]; |
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| 80 | { |
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| 81 | CComHeapPtr<AM_MEDIA_TYPE> pMediaType; |
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| 82 | ATLENSURE_THROW(pMediaType.Allocate(1), E_OUTOFMEMORY); |
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| 83 | ZeroMemory(pMediaType, sizeof *pMediaType); |
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| 84 | pMediaType->majortype = MEDIATYPE_Video; |
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| 85 | pMediaType->subtype = MEDIASUBTYPE_NULL; |
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| 86 | ppMediaTypes[0] = pMediaType.Detach(); |
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| 87 | } |
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| 88 | *ppnMediaTypes = (BYTE*) ppMediaTypes.Detach(); |
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| 89 | *pnMediaTypeCount = 1; |
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| 90 | } |
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| 91 | _ATLCATCH(Exception) |
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| 92 | { |
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| 93 | return Exception; |
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| 94 | } |
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| 95 | return S_OK; |
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| 96 | } |
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| 97 | STDMETHOD(CheckMediaType)(BYTE* pnMediaType) throw() |
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| 98 | { |
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| 99 | ATLTRACE(atlTraceCOM, 4, _T("...\n")); |
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| 100 | _ATLTRY |
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| 101 | { |
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| 102 | const AM_MEDIA_TYPE* pMediaType = reinterpret_cast<const AM_MEDIA_TYPE*>(pnMediaType); |
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| 103 | if(pMediaType->majortype != MEDIATYPE_Video) |
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| 104 | return S_FALSE; // Not Video |
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| 105 | } |
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| 106 | _ATLCATCH(Exception) |
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| 107 | { |
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| 108 | return Exception; |
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| 109 | } |
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| 110 | return S_OK; |
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| 111 | } |
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| 112 | STDMETHOD(HandleMediaSample)(IUnknown* pMediaSampleUnknown) throw() |
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| 113 | { |
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| 114 | ATLTRACE(atlTraceCOM, 4, _T("...\n")); |
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| 115 | _ATLTRY |
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| 116 | { |
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| 117 | const CComQIPtr<IMediaSample> pMediaSample = pMediaSampleUnknown; |
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| 118 | ATLASSERT(pMediaSample); |
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| 119 | CComCritSecLock<CComAutoCriticalSection> DataLock(m_DataCriticalSection); |
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| 120 | const SIZE_T nDataSize = (SIZE_T) pMediaSample->GetActualDataLength(); |
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| 121 | if(nDataSize > m_nMaximalDataSize) |
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| 122 | m_nMaximalDataSize = nDataSize; |
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| 123 | #pragma region Report Time |
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| 124 | REFERENCE_TIME nStartTime, nStopTime; |
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| 125 | const HRESULT nGetTimeResult = pMediaSample->GetTime(&nStartTime, &nStopTime); |
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| 126 | if(SUCCEEDED(nGetTimeResult)) |
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| 127 | if(nStartTime > m_nLastReportTime + 60 * 1000 * 10000i64) |
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| 128 | { |
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| 129 | m_nLastReportTime = nStartTime; |
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| 130 | nStartTime /= 1000 * 10000i64; |
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| 131 | const INT nHours = (INT) (nStartTime / (60 * 60)); |
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| 132 | nStartTime -= nHours * (60 * 60); |
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| 133 | const INT nMinutes = (INT) (nStartTime / (60)); |
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| 134 | nStartTime -= nMinutes * (60); |
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| 135 | const INT nSeconds = (INT) nStartTime; |
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| 136 | _tprintf(_T("Progress: %02d:%02d:%02d, Currently Largest Video Media Sample Data Size: %d\n"), nHours, nMinutes, nSeconds, m_nMaximalDataSize); |
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| 137 | } |
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| 138 | #pragma endregion |
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| 139 | } |
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| 140 | _ATLCATCH(Exception) |
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| 141 | { |
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| 142 | return Exception; |
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| 143 | } |
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| 144 | return S_OK; |
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| 145 | } |
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| 146 | }; |
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| 147 | |
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| 148 | private: |
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| 149 | CPath m_sPath; |
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| 150 | BOOL m_bSuppressCompressorPropertyPages; |
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| 151 | CComPtr<IFilterGraph2> m_pFilterGraph; |
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| 152 | CComObject<CInspectionFilterSite>* m_pInspectionFilterSite; |
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| 153 | CComPtr<IMediaEventEx> m_pMediaEventEx; |
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| 154 | CComPtr<IMediaControl> m_pMediaControl; |
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| 155 | |
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| 156 | public: |
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| 157 | // CModule |
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| 158 | CModule() throw() |
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| 159 | { |
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| 160 | #if defined(_DEBUG) |
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| 161 | AtlTraceLoadSettings(NULL); |
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| 162 | #endif // defined(_DEBUG) |
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| 163 | ATLTRACE(atlTraceRefcount, 4, _T("this 0x%p\n"), this); |
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| 164 | } |
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| 165 | ~CModule() throw() |
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| 166 | { |
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| 167 | ATLTRACE(atlTraceRefcount, 4, _T("this 0x%p\n"), this); |
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| 168 | } |
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| 169 | VOID SetPath(LPCTSTR pszPath) |
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| 170 | { |
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| 171 | ATLENSURE_THROW(!_tcslen(m_sPath), E_INVALIDARG); |
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| 172 | m_sPath = pszPath; |
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| 173 | } |
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| 174 | static CComPtr<IPin> GetFilterPin(IBaseFilter* pBaseFilter, PIN_DIRECTION Direction) |
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| 175 | { |
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| 176 | if(pBaseFilter) |
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| 177 | { |
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| 178 | CComPtr<IEnumPins> pEnumPins; |
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| 179 | ATLENSURE_SUCCEEDED(pBaseFilter->EnumPins(&pEnumPins)); |
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| 180 | CComPtr<IPin> pPin; |
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| 181 | while(pEnumPins->Next(1, &pPin, NULL) == S_OK) |
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| 182 | { |
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| 183 | PIN_DIRECTION PinDirection; |
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| 184 | ATLENSURE_SUCCEEDED(pPin->QueryDirection(&PinDirection)); |
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| 185 | if(PinDirection == Direction) |
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| 186 | return pPin; |
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| 187 | pPin = NULL; |
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| 188 | } |
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| 189 | } |
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| 190 | return NULL; |
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| 191 | } |
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| 192 | HRESULT Run(INT nShowCommand = SW_HIDE) |
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| 193 | { |
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| 194 | ATLENSURE_THROW(_tcslen(m_sPath), E_INVALIDARG); |
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| 195 | _tprintf(_T("Using Source File: %s\n"), m_sPath); |
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| 196 | ATLENSURE_SUCCEEDED(m_pFilterGraph.CoCreateInstance(CLSID_FilterGraph)); |
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| 197 | m_pMediaEventEx = CComQIPtr<IMediaEventEx>(m_pFilterGraph); |
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| 198 | m_pMediaControl = CComQIPtr<IMediaControl>(m_pFilterGraph); |
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| 199 | ATLENSURE_THROW(m_pMediaEventEx && m_pMediaControl, E_NOINTERFACE); |
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| 200 | _ATLTRY |
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| 201 | { |
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| 202 | CComPtr<IPin> pCurrentOutputPin; |
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| 203 | #pragma region Source |
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| 204 | CComPtr<IBaseFilter> pSourceBaseFilter; |
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| 205 | ATLENSURE_SUCCEEDED(m_pFilterGraph->AddSourceFilter(CT2CW(m_sPath), CT2CW(_T("Source")), &pSourceBaseFilter)); |
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| 206 | pCurrentOutputPin = GetFilterPin(pSourceBaseFilter, PINDIR_OUTPUT); |
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| 207 | #pragma endregion |
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| 208 | #pragma region Inspection Filter |
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| 209 | CComPtr<IBaseFilter> pInspectionBaseFilter; |
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| 210 | ATLENSURE_SUCCEEDED(pInspectionBaseFilter.CoCreateInstance(__uuidof(InspectionFilter))); |
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| 211 | ATLENSURE_SUCCEEDED(m_pFilterGraph->AddFilter(pInspectionBaseFilter, CT2CW(_T("Inspection")))); |
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| 212 | #pragma region Site |
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| 213 | CComQIPtr<IInspectionFilter> pInspectionFilter = pInspectionBaseFilter; |
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| 214 | CComObject<CInspectionFilterSite>* pInspectionFilterSite = NULL; |
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| 215 | ATLENSURE_SUCCEEDED(CComObject<CInspectionFilterSite>::CreateInstance(&pInspectionFilterSite)); |
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| 216 | pInspectionFilterSite->Initialize(this); |
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| 217 | ATLENSURE_SUCCEEDED(pInspectionFilter->SetSite(pInspectionFilterSite)); |
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| 218 | m_pInspectionFilterSite = pInspectionFilterSite; |
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| 219 | #pragma endregion |
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| 220 | ATLENSURE_SUCCEEDED(m_pFilterGraph->Connect(pCurrentOutputPin, GetFilterPin(pInspectionBaseFilter, PINDIR_INPUT))); |
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| 221 | pCurrentOutputPin = GetFilterPin(pInspectionBaseFilter, PINDIR_OUTPUT); |
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| 222 | #pragma endregion |
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| 223 | #pragma region Renderer |
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| 224 | CComPtr<IBaseFilter> pRendererBaseFilter; |
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| 225 | typedef struct __declspec(uuid("C1F400A4-3F08-11D3-9F0B-006008039E37")) _NullRenderer { } NullRenderer; |
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| 226 | ATLENSURE_SUCCEEDED(pRendererBaseFilter.CoCreateInstance(__uuidof(NullRenderer))); |
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| 227 | ATLENSURE_SUCCEEDED(m_pFilterGraph->AddFilter(pRendererBaseFilter, CT2CW(_T("Renderer")))); |
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| 228 | ATLENSURE_SUCCEEDED(m_pFilterGraph->Connect(pCurrentOutputPin, GetFilterPin(pRendererBaseFilter, PINDIR_INPUT))); |
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| 229 | pCurrentOutputPin = NULL; |
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| 230 | #pragma endregion |
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| 231 | ATLASSERT(!pCurrentOutputPin); |
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| 232 | //AtlMessageBox(GetActiveWindow(), _T("Break In"), _T("Debug"), MB_ICONERROR | MB_OK); |
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| 233 | } |
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| 234 | _ATLCATCH(Exception) |
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| 235 | { |
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| 236 | Exception; |
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| 237 | #if _DEVELOPMENT |
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| 238 | AtlMessageBox(GetActiveWindow(), (LPCTSTR) AtlFormatString(_T("Error 0x%08x - Break In"), (HRESULT) Exception), _T("Debug"), MB_ICONERROR | MB_OK); |
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| 239 | #endif // _DEVELOPMENT |
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| 240 | _ATLRETHROW; |
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| 241 | } |
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| 242 | #pragma region Remove Reference Clock |
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| 243 | CComQIPtr<IMediaFilter> pMediaFilter = m_pFilterGraph; |
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| 244 | ATLENSURE_THROW(pMediaFilter, E_NOINTERFACE); |
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| 245 | ATLENSURE_SUCCEEDED(pMediaFilter->SetSyncSource(NULL)); |
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| 246 | #pragma endregion |
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| 247 | _tprintf(_T("Running Filter Graph\n")); |
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| 248 | ATLENSURE_SUCCEEDED(m_pMediaControl->Run()); |
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| 249 | LONG nEventCode = 0; |
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| 250 | ATLENSURE_SUCCEEDED(m_pMediaEventEx->WaitForCompletion(INFINITE, &nEventCode)); |
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| 251 | _tprintf(_T("Completion: Code 0x%02x\n"), nEventCode); // EC_COMPLETE 0x01 |
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| 252 | _tprintf(_T("Largest Video Media Sample Data Size: %d\n"), m_pInspectionFilterSite->GetMaximalDataSize()); |
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| 253 | #pragma region Terminate |
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| 254 | ATLVERIFY(SUCCEEDED(m_pMediaControl->Stop())); |
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| 255 | m_pMediaEventEx = NULL; |
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| 256 | m_pMediaControl = NULL; |
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| 257 | m_pInspectionFilterSite->Terminate(); |
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| 258 | m_pInspectionFilterSite = NULL; |
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| 259 | m_pFilterGraph = NULL; |
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| 260 | #pragma endregion |
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| 261 | return S_OK; |
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| 262 | } |
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| 263 | }; |
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| 264 | |
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| 265 | //////////////////////////////////////////////////////////// |
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| 266 | // Main |
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| 267 | |
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| 268 | int _tmain(int argc, _TCHAR* argv[]) |
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| 269 | { |
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| 270 | ATLVERIFY(SUCCEEDED(CoInitialize(NULL))); |
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| 271 | _ATLTRY |
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| 272 | { |
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| 273 | CModule Module; |
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| 274 | ATLENSURE_THROW(argc >= 2, E_INVALIDARG); |
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| 275 | const CPath sPath = argv[1]; |
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| 276 | Module.SetPath(sPath); |
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| 277 | Module.Run(); |
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| 278 | } |
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| 279 | _ATLCATCH(Exception) |
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| 280 | { |
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| 281 | _tprintf(_T("Fatal Error 0x%08x\n"), (HRESULT) Exception); |
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| 282 | } |
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| 283 | _ATLCATCHALL() |
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| 284 | { |
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| 285 | _tprintf(_T("Fatal Error\n")); |
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| 286 | } |
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| 287 | CoUninitialize(); |
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| 288 | return 0; |
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| 289 | } |
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| 290 | |
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