[824] | 1 | //////////////////////////////////////////////////////////// |
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| 2 | // Copyright (C) Roman Ryltsov, 2008-2018 |
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| 3 | // Created by Roman Ryltsov roman@alax.info |
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| 4 | |
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| 5 | #include "stdafx.h" |
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| 6 | #include "rodshow.h" |
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| 7 | |
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| 8 | //////////////////////////////////////////////////////////// |
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| 9 | // CModule |
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| 10 | |
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| 11 | class CModule : |
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| 12 | public CAtlExeModuleT<CModule> |
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| 13 | { |
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| 14 | typedef CThreadT<CModule> CThread; |
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| 15 | |
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| 16 | public: |
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| 17 | |
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| 18 | //////////////////////////////////////////////////////// |
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| 19 | // CSourceFilter |
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| 20 | |
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| 21 | class ATL_NO_VTABLE CSourceFilter : |
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| 22 | public CComObjectRootEx<CComMultiThreadModelNoCS>, |
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| 23 | public CComCoClass<CSourceFilter>, |
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| 24 | public CPushSourceFilterT<CSourceFilter>, |
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| 25 | public CBasePersistT<CSourceFilter>, |
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| 26 | public CAmFilterMiscFlagsT<CSourceFilter, AM_FILTER_MISC_FLAGS_IS_SOURCE> |
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| 27 | { |
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| 28 | public: |
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| 29 | |
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| 30 | DECLARE_NO_REGISTRY() |
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| 31 | |
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| 32 | DECLARE_PROTECT_FINAL_CONSTRUCT() |
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| 33 | |
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| 34 | //DECLARE_QI_TRACE(CSourceFilter) |
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| 35 | |
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| 36 | BEGIN_COM_MAP(CSourceFilter) |
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| 37 | COM_INTERFACE_ENTRY(IBaseFilter) |
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| 38 | COM_INTERFACE_ENTRY(IMediaFilter) |
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| 39 | COM_INTERFACE_ENTRY_IID(__uuidof(IPersist), IBaseFilter) |
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| 40 | COM_INTERFACE_ENTRY(IAMFilterMiscFlags) |
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| 41 | END_COM_MAP() |
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| 42 | |
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| 43 | public: |
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| 44 | |
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| 45 | //////////////////////////////////////////////////////// |
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| 46 | // CThreadContext |
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| 47 | |
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| 48 | class COutputPin; |
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| 49 | |
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| 50 | class CThreadContext : |
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| 51 | public CPushSourceFilterT<CSourceFilter>::CThreadContext |
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| 52 | { |
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| 53 | public: |
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| 54 | CEvent m_MediaSampleTimeEvent; |
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| 55 | REFERENCE_TIME m_nMediaSampleTime; |
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| 56 | SIZE_T m_nCurrentSampleIndex; |
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| 57 | |
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| 58 | public: |
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| 59 | // CThreadContext |
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| 60 | CThreadContext(CEvent& TerminationEvent) : |
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| 61 | CPushSourceFilter::CThreadContext(TerminationEvent), |
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| 62 | m_nMediaSampleTime(0), |
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| 63 | m_nCurrentSampleIndex(0) |
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| 64 | { |
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| 65 | } |
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| 66 | }; |
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| 67 | |
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| 68 | //////////////////////////////////////////////////////// |
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| 69 | // COutputPin |
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| 70 | |
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| 71 | class ATL_NO_VTABLE COutputPin : |
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| 72 | public CComObjectRootEx<CComMultiThreadModelNoCS>, |
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| 73 | public CPushSourceFilterT<CSourceFilter>::COutputPinT<COutputPin, CSourceFilter, CThreadContext>, |
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| 74 | public CAmPushSourceT<COutputPin, 0> |
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| 75 | { |
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| 76 | public: |
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| 77 | |
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| 78 | //DECLARE_QI_TRACE(CSourceFilter::COutputPin) |
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| 79 | |
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| 80 | BEGIN_COM_MAP(COutputPin) |
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| 81 | COM_INTERFACE_ENTRY(IPin) |
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| 82 | COM_INTERFACE_ENTRY(IAMPushSource) |
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| 83 | COM_INTERFACE_ENTRY(IAMLatency) |
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| 84 | END_COM_MAP() |
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| 85 | |
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| 86 | public: |
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| 87 | CMediaType m_pDataMediaType; |
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| 88 | REFERENCE_TIME m_nDataLength; |
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| 89 | DOUBLE m_fSignalPeriod; |
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| 90 | DOUBLE m_fSignalAmplitude; |
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| 91 | DOUBLE m_fNoiseAmplitude; |
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| 92 | |
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| 93 | public: |
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| 94 | // COutputPin |
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| 95 | COutputPin() : |
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| 96 | m_nDataLength(0), |
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| 97 | m_fSignalPeriod(0), |
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| 98 | m_fSignalAmplitude(0), |
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| 99 | m_fNoiseAmplitude(0) |
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| 100 | { |
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| 101 | _Z4(atlTraceRefcount, 4, _T("this 0x%p\n"), this); |
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| 102 | } |
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| 103 | ~COutputPin() |
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| 104 | { |
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| 105 | _Z4(atlTraceRefcount, 4, _T("this 0x%p\n"), this); |
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| 106 | } |
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| 107 | VOID EnumerateMediaTypes(CAtlList<CMediaType>& MediaTypeList) |
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| 108 | { |
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| 109 | CRoCriticalSectionLock DataLock(GetDataCriticalSection()); |
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| 110 | _W(MediaTypeList.AddTail(m_pDataMediaType)); |
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| 111 | } |
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| 112 | BOOL CheckMediaType(const CMediaType& pMediaType) const |
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| 113 | { |
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| 114 | _A(pMediaType); |
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| 115 | //if(pMediaType->majortype != MEDIATYPE_Audio || pMediaType->subtype != MEDIASUBTYPE_PCM) |
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| 116 | // return FALSE; |
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| 117 | //const CWaveFormatEx* pWaveFormatEx = pMediaType.GetWaveFormatEx(); |
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| 118 | //if(!pWaveFormatEx) |
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| 119 | // return FALSE; |
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| 120 | return m_pDataMediaType.Compare(pMediaType); |
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| 121 | } |
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| 122 | BOOL DecideMemAllocatorProperties(IMemAllocator* pMemAllocator, ALLOCATOR_PROPERTIES Properties) |
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| 123 | { |
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| 124 | CRoCriticalSectionLock DataLock(GetDataCriticalSection()); |
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| 125 | const CMediaType& pMediaType = GetMediaTypeReference(); |
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| 126 | const CWaveFormatEx* pWaveFormatEx = pMediaType.GetWaveFormatEx(); |
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| 127 | if(!pWaveFormatEx) |
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| 128 | return FALSE; |
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| 129 | if(!__super::DecideMemAllocatorProperties(pMemAllocator, Properties)) |
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| 130 | return FALSE; |
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| 131 | static const ULONG g_nDefaultBufferLength = 500; // 500 ms |
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| 132 | const SIZE_T nDefaultBufferBlockCount = (pWaveFormatEx->nAvgBytesPerSec * g_nDefaultBufferLength / 1000 + pWaveFormatEx->nBlockAlign - 1) / pWaveFormatEx->nBlockAlign; |
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| 133 | const SIZE_T nDefaultBufferSize = nDefaultBufferBlockCount * pWaveFormatEx->nBlockAlign; |
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| 134 | if(Properties.cbBuffer < (LONG) nDefaultBufferSize) |
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| 135 | Properties.cbBuffer = (LONG) nDefaultBufferSize; |
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| 136 | if(Properties.cbAlign < pWaveFormatEx->nBlockAlign) |
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| 137 | Properties.cbAlign = pWaveFormatEx->nBlockAlign; |
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| 138 | if(!SetMemAllocatorBufferSize(pMemAllocator, Properties)) |
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| 139 | return FALSE; |
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| 140 | const SIZE_T nSampleCount = Properties.cbBuffer / pWaveFormatEx->nBlockAlign; |
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| 141 | const SIZE_T nEffectiveBufferSize = nSampleCount * pWaveFormatEx->nBlockAlign; |
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| 142 | const REFERENCE_TIME nBufferTime = (REFERENCE_TIME) (1000 * 10000) * nEffectiveBufferSize / pWaveFormatEx->nAvgBytesPerSec; |
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| 143 | SetLatency(nBufferTime); |
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| 144 | return TRUE; |
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| 145 | } |
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| 146 | VOID InitializeThread(CThreadContext& ThreadContext) |
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| 147 | { |
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| 148 | CRoCriticalSectionLock DataLock(GetDataCriticalSection()); |
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| 149 | __super::InitializeThread(ThreadContext); |
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| 150 | if(m_fSignalPeriod > 0) |
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| 151 | { |
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| 152 | const WORD wBitsPerSample = m_pDataMediaType.GetWaveFormatEx()->wBitsPerSample; |
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| 153 | __D(wBitsPerSample == 16 || wBitsPerSample == 24 || wBitsPerSample == 32, E_NOTIMPL); |
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| 154 | ThreadContext.m_nCurrentSampleIndex = 0; |
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| 155 | } |
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| 156 | } |
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| 157 | BOOL ComposeMediaSample(CThreadContext& ThreadContext, IMediaSample* pMediaSample) |
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| 158 | { |
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| 159 | CMediaSampleProperties Properties(pMediaSample); |
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| 160 | _A(!Properties.pMediaType); |
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| 161 | if(ThreadContext.m_nMediaSampleTime >= m_nDataLength) |
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| 162 | return FALSE; // Finished |
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| 163 | CRoCriticalSectionLock DataLock(GetDataCriticalSection()); |
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| 164 | const CWaveFormatEx* pWaveFormatEx = GetMediaTypeReference().GetWaveFormatEx(); |
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| 165 | _A(pWaveFormatEx); |
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| 166 | const SIZE_T nRemainedDataSize = (SIZE_T) ((m_nDataLength - ThreadContext.m_nMediaSampleTime) * pWaveFormatEx->nAvgBytesPerSec / (1000 * 10000i64)); |
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| 167 | SIZE_T nDataSize = Properties.cbBuffer; |
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| 168 | if(nDataSize > nRemainedDataSize) |
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| 169 | nDataSize = nRemainedDataSize; |
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| 170 | nDataSize = (nDataSize / pWaveFormatEx->nBlockAlign) * pWaveFormatEx->nBlockAlign; |
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| 171 | if(pWaveFormatEx->wBitsPerSample == 8) |
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| 172 | { |
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| 173 | FillMemory(Properties.pbBuffer, nDataSize, 0x80); |
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| 174 | } else |
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| 175 | { |
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| 176 | _A(pWaveFormatEx->wBitsPerSample == 16 || pWaveFormatEx->wBitsPerSample == 32); |
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| 177 | ZeroMemory(Properties.pbBuffer, nDataSize); |
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| 178 | #pragma region Sine Wave Data |
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| 179 | if(m_fSignalPeriod > 0) |
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| 180 | { |
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| 181 | SIZE_T nSampleIndex = 0; |
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| 182 | switch(pWaveFormatEx->wBitsPerSample) |
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| 183 | { |
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| 184 | case 16: |
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| 185 | { |
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| 186 | for(SIZE_T nIndex = 0; nIndex < nDataSize; nIndex += pWaveFormatEx->nBlockAlign, nSampleIndex++) |
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| 187 | { |
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| 188 | #pragma region Per-channel Frequencies and Amplitudes |
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| 189 | if(FALSE) |
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| 190 | { |
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| 191 | const DOUBLE pfSignalFrequencies[6] = { 1000, 1000, 1000, 1000, 1000, 1000, }; |
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| 192 | const DOUBLE pfSignalAmplitudes[6] = { m_fSignalAmplitude, m_fSignalAmplitude, m_fSignalAmplitude, 0, 0, 0, }; |
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| 193 | //const DOUBLE pfSignalFrequencies[2] = { 1000, 1000, }; |
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| 194 | //const DOUBLE pfSignalAmplitudes[2] = { m_fSignalAmplitude, m_fSignalAmplitude, }; |
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| 195 | SHORT* pnSampleData = (SHORT*) (Properties.pbBuffer + nIndex); |
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| 196 | _A(DIM(pfSignalFrequencies) == DIM(pfSignalAmplitudes)); |
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| 197 | _A(pWaveFormatEx->nChannels <= DIM(pfSignalFrequencies)); |
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| 198 | for(WORD nChannelIndex = 0; nChannelIndex < pWaveFormatEx->nChannels; nChannelIndex++) |
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| 199 | { |
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| 200 | const DOUBLE fSignalPeriod = (DOUBLE) pWaveFormatEx->nSamplesPerSec / pfSignalFrequencies[nChannelIndex]; |
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| 201 | const DOUBLE fSignalAmplitude = pfSignalAmplitudes[nChannelIndex]; |
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| 202 | const SHORT nValue = (SHORT) (fSignalAmplitude * sin(2 * M_PI * (ThreadContext.m_nCurrentSampleIndex + nSampleIndex) / fSignalPeriod)); |
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| 203 | pnSampleData[nChannelIndex] = nValue; |
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| 204 | } |
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| 205 | continue; |
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| 206 | } |
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| 207 | #pragma endregion |
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| 208 | #pragma region Stream Time Coefficients |
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| 209 | #if TRUE && FALSE |
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| 210 | { |
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| 211 | COMPILER_MESSAGE("Every 170 seconds: 50 seconds 1.0, 70 seconds 0.0, 50 seconds 1.0"); |
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| 212 | #pragma region Factor |
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| 213 | REFERENCE_TIME nTime = ThreadContext.m_nMediaSampleTime + nIndex * (1000 * 10000i64) / pWaveFormatEx->nAvgBytesPerSec; |
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| 214 | nTime /= 1000 * 10000i64; |
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| 215 | // NOTE: Every 170 seconds: 50 seconds 1.0, 70 seconds 0.0, 50 seconds 1.0 |
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| 216 | nTime %= 170; |
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| 217 | const DOUBLE fTimeFactor = (nTime < 50 || nTime >= 120) ? 1.0 : (1.0 / 256); |
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| 218 | #pragma endregion |
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| 219 | const SHORT nValue = (SHORT) (m_fSignalAmplitude * sin(2 * M_PI * (ThreadContext.m_nCurrentSampleIndex + nSampleIndex) / m_fSignalPeriod)); |
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| 220 | SHORT* pnSampleData = (SHORT*) (Properties.pbBuffer + nIndex); |
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| 221 | for(WORD nChannelIndex = 0; nChannelIndex < pWaveFormatEx->nChannels; nChannelIndex++) |
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| 222 | pnSampleData[nChannelIndex] = (SHORT) (fTimeFactor * nValue); |
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| 223 | continue; |
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| 224 | } |
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| 225 | #endif // TRUE |
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| 226 | #pragma endregion |
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| 227 | // NOTE: Phase shift might be added here, e.g. "... + nSampleIndex + 0.25)..." |
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| 228 | const INT16 nValue = (INT16) (m_fSignalAmplitude * sin(2 * M_PI * (ThreadContext.m_nCurrentSampleIndex + nSampleIndex) / m_fSignalPeriod)); |
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| 229 | INT16* pnSampleData = (INT16*) (Properties.pbBuffer + nIndex); |
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| 230 | for(WORD nChannelIndex = 0; nChannelIndex < pWaveFormatEx->nChannels; nChannelIndex++) |
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| 231 | pnSampleData[nChannelIndex] = nValue; |
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| 232 | } |
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| 233 | } |
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| 234 | break; |
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| 235 | case 32: |
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| 236 | { |
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| 237 | for(SIZE_T nIndex = 0; nIndex < nDataSize; nIndex += pWaveFormatEx->nBlockAlign, nSampleIndex++) |
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| 238 | { |
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| 239 | // NOTE: Phase shift might be added here, e.g. "... + nSampleIndex + 0.25)..." |
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| 240 | const INT32 nValue = (INT32) (m_fSignalAmplitude * sin(2 * M_PI * (ThreadContext.m_nCurrentSampleIndex + nSampleIndex) / m_fSignalPeriod)); |
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| 241 | INT32* pnSampleData = (INT32*) (Properties.pbBuffer + nIndex); |
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| 242 | for(WORD nChannelIndex = 0; nChannelIndex < pWaveFormatEx->nChannels; nChannelIndex++) |
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| 243 | pnSampleData[nChannelIndex] = nValue; |
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| 244 | } |
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| 245 | } |
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| 246 | break; |
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| 247 | default: |
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| 248 | _A(FALSE); |
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| 249 | } |
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| 250 | } |
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| 251 | #pragma endregion |
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| 252 | #pragma region Noise Wave Data |
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| 253 | if(m_fNoiseAmplitude > 0) |
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| 254 | { |
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| 255 | _A(pWaveFormatEx->wBitsPerSample == 16); |
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| 256 | for(SIZE_T nIndex = 0; nIndex < nDataSize; nIndex += pWaveFormatEx->nBlockAlign) |
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| 257 | { |
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| 258 | SHORT* pnSampleData = (SHORT*) (Properties.pbBuffer + nIndex); |
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| 259 | for(WORD nChannelIndex = 0; nChannelIndex < pWaveFormatEx->nChannels; nChannelIndex++) |
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| 260 | pnSampleData[nChannelIndex] += (SHORT) (m_fNoiseAmplitude * (DOUBLE) (rand() - RAND_MAX / 2) / (RAND_MAX / 2)); |
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| 261 | } |
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| 262 | } |
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| 263 | #pragma endregion |
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| 264 | } |
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| 265 | ThreadContext.m_nMediaSampleTime += nDataSize * (1000 * 10000i64) / pWaveFormatEx->nAvgBytesPerSec; |
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| 266 | ThreadContext.m_nCurrentSampleIndex += nDataSize / pWaveFormatEx->nBlockAlign; |
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| 267 | Properties.lActual = (LONG) nDataSize; |
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| 268 | Properties.Set(); |
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| 269 | return TRUE; |
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| 270 | } |
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| 271 | VOID InitializeData(const CWaveFormatEx* pWaveFormatEx, REFERENCE_TIME nLength) |
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| 272 | { |
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| 273 | _A(pWaveFormatEx); |
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| 274 | _A(nLength > 0); |
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| 275 | __D(!m_pDataMediaType, E_UNNAMED); |
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| 276 | m_pDataMediaType.AllocateWaveFormatEx(pWaveFormatEx); |
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| 277 | m_nDataLength = nLength; |
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| 278 | } |
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| 279 | VOID InitializeSignal(DOUBLE fSignalPeriod, DOUBLE fSignalAmplitude, DOUBLE fNoiseAmplitude) |
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| 280 | { |
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| 281 | __D(fSignalPeriod >= 0 && fSignalAmplitude >= 0 && fNoiseAmplitude >= 0, E_INVALIDARG); |
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| 282 | m_fSignalPeriod = fSignalPeriod; |
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| 283 | m_fSignalAmplitude = fSignalAmplitude; |
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| 284 | m_fNoiseAmplitude = fNoiseAmplitude; |
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| 285 | } |
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| 286 | }; |
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| 287 | |
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| 288 | private: |
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| 289 | CObjectPtr<COutputPin> m_pOutputPin; |
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| 290 | |
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| 291 | public: |
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| 292 | // CSourceFilter |
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| 293 | CSourceFilter() : |
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| 294 | CBasePersistT<CSourceFilter>(GetDataCriticalSection()) |
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| 295 | { |
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| 296 | _Z4(atlTraceRefcount, 4, _T("this 0x%p\n"), this); |
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| 297 | } |
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| 298 | ~CSourceFilter() |
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| 299 | { |
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| 300 | _Z4(atlTraceRefcount, 4, _T("this 0x%p\n"), this); |
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| 301 | } |
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| 302 | HRESULT FinalConstruct() |
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| 303 | { |
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| 304 | _ATLTRY |
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| 305 | { |
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| 306 | m_pOutputPin.Construct()->Initialize(this, L"Output"); |
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| 307 | AddPin(m_pOutputPin); |
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| 308 | } |
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| 309 | _ATLCATCH(Exception) |
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| 310 | { |
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| 311 | _C(Exception); |
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| 312 | } |
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| 313 | return S_OK; |
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| 314 | } |
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| 315 | VOID FinalRelease() |
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| 316 | { |
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| 317 | m_pOutputPin = NULL; |
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| 318 | } |
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| 319 | VOID DeliverBeginFlush(IPin*) |
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| 320 | { |
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| 321 | m_pOutputPin->DeliverBeginFlush(); |
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| 322 | } |
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| 323 | VOID DeliverEndFlush(IPin*) |
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| 324 | { |
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| 325 | m_pOutputPin->DeliverEndFlush(); |
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| 326 | } |
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| 327 | VOID DeliverNewSegment(IPin*, REFERENCE_TIME nStartTime, REFERENCE_TIME nStopTime, DOUBLE fRate) |
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| 328 | { |
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| 329 | m_pOutputPin->DeliverNewSegment(nStartTime, nStopTime, fRate); |
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| 330 | } |
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| 331 | static BOOL CanCue() |
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| 332 | { |
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| 333 | return FALSE; |
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| 334 | } |
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| 335 | VOID CueFilter() |
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| 336 | { |
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| 337 | m_pOutputPin->CuePin(); |
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| 338 | } |
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| 339 | VOID RunFilter(REFERENCE_TIME nStartTime) |
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| 340 | { |
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| 341 | m_pOutputPin->RunPin(nStartTime); |
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| 342 | } |
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| 343 | VOID PauseFilter() |
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| 344 | { |
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| 345 | m_pOutputPin->PausePin(); |
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| 346 | } |
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| 347 | VOID StopFilter() |
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| 348 | { |
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| 349 | m_pOutputPin->StopPin(); |
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| 350 | } |
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| 351 | const CObjectPtr<COutputPin>& GetOutputPin() const |
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| 352 | { |
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| 353 | return m_pOutputPin; |
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| 354 | } |
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| 355 | VOID Initialize(const CWaveFormatEx* pWaveFormatEx, REFERENCE_TIME nLength) |
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| 356 | { |
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| 357 | m_pOutputPin->InitializeData(pWaveFormatEx, nLength); |
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| 358 | } |
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| 359 | VOID InitializeSignal(DOUBLE fSignalAmplitude, DOUBLE fSignalPeriod, DOUBLE fNoiseAmplitude) |
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| 360 | { |
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| 361 | m_pOutputPin->InitializeSignal(fSignalAmplitude, fSignalPeriod, fNoiseAmplitude); |
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| 362 | } |
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| 363 | }; |
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| 364 | |
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| 365 | private: |
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| 366 | CWaveFormatEx m_WaveFormatEx; |
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| 367 | REFERENCE_TIME m_nLength; |
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| 368 | UINT m_nSignalFrequency; |
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| 369 | UINT m_nSignalLoudness; |
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| 370 | UINT m_nNoiseLoudness; |
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| 371 | CPath m_sPath; |
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| 372 | |
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| 373 | public: |
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| 374 | // CModule |
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| 375 | CModule() |
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| 376 | { |
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| 377 | AtlTraceSetDefaultSettings(); |
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| 378 | _Z4_THIS(); |
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| 379 | ZeroMemory(&m_WaveFormatEx, sizeof m_WaveFormatEx); |
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| 380 | m_nLength = 0; |
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| 381 | m_nSignalFrequency = 0; |
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| 382 | m_nSignalLoudness = 0; |
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| 383 | m_nNoiseLoudness = 0; |
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| 384 | } |
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| 385 | ~CModule() |
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| 386 | { |
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| 387 | _Z4_THIS(); |
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| 388 | } |
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| 389 | VOID SetSampleRate(UINT nSampleRate) |
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| 390 | { |
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| 391 | __D(nSampleRate > 0, E_INVALIDARG); |
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| 392 | m_WaveFormatEx.nSamplesPerSec = (DWORD) nSampleRate; |
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| 393 | } |
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| 394 | VOID SetChannelCount(UINT nChannelCount) |
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| 395 | { |
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| 396 | __D(nChannelCount > 0, E_INVALIDARG); |
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| 397 | m_WaveFormatEx.nChannels = (WORD) nChannelCount; |
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| 398 | } |
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| 399 | VOID SetSampleBitCount(UINT nSampleBitCount) |
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| 400 | { |
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| 401 | __D(nSampleBitCount == 8 || nSampleBitCount == 16 || nSampleBitCount == 24 || nSampleBitCount == 32, E_INVALIDARG); |
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| 402 | m_WaveFormatEx.wBitsPerSample = (WORD) nSampleBitCount; |
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| 403 | } |
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| 404 | VOID SetLength(REFERENCE_TIME nLength) |
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| 405 | { |
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| 406 | __D(nLength > 0, E_INVALIDARG); |
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| 407 | m_nLength = nLength; |
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| 408 | } |
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| 409 | VOID SetSignalFrequency(UINT nSignalFrequency) |
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| 410 | { |
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| 411 | __D(nSignalFrequency > 0, E_INVALIDARG); |
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| 412 | m_nSignalFrequency = nSignalFrequency; |
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| 413 | } |
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| 414 | VOID SetSignalLoudness(UINT nSignalLoudness) |
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| 415 | { |
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| 416 | __D(nSignalLoudness >= 0, E_INVALIDARG); |
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| 417 | m_nSignalLoudness = nSignalLoudness; |
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| 418 | } |
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| 419 | VOID SetNoiseLoudness(UINT nNoiseLoudness) |
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| 420 | { |
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| 421 | __D(nNoiseLoudness >= 0, E_INVALIDARG); |
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| 422 | m_nNoiseLoudness = nNoiseLoudness; |
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| 423 | } |
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| 424 | VOID SetPath(LPCTSTR pszPath) |
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| 425 | { |
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| 426 | __D(_tcslen(pszPath), E_INVALIDARG); |
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| 427 | __D(!_tcslen(m_sPath), E_INVALIDARG); |
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| 428 | m_sPath = pszPath; |
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| 429 | } |
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| 430 | HRESULT PreMessageLoop(INT nShowCommand) |
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| 431 | { |
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| 432 | __C(__super::PreMessageLoop(nShowCommand)); |
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| 433 | return S_OK; |
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| 434 | } |
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| 435 | VOID RunMessageLoop() |
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| 436 | { |
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| 437 | #pragma region Input Validation and Syntax |
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| 438 | if(!m_WaveFormatEx.nSamplesPerSec || !m_WaveFormatEx.nChannels || !m_WaveFormatEx.wBitsPerSample || !m_nLength || !_tcslen(m_sPath)) |
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| 439 | { |
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| 440 | _tprintf(_T("Syntax: GeneratePcmWavFile <options> <output-path>\n")); |
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| 441 | _tprintf(_T(" /s:N: Sampling Rate N, Hz\n")); |
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| 442 | _tprintf(_T(" /c:N: Channel Count N\n")); |
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| 443 | _tprintf(_T(" /b:N: Sample Bit Count N, 8 or 16\n")); |
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| 444 | _tprintf(_T(" /t:N: Length N, seconds\n")); |
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| 445 | _tprintf(_T(" /f:N: Sine Signal Frequency N, Hz\n")); |
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| 446 | _tprintf(_T(" /l:N: Sine Signal Loudness N, dB below full scale\n")); |
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| 447 | _tprintf(_T(" /n:N: Noise Signal Loudness N, dB below full scale\n")); |
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| 448 | AtlThrow(S_FALSE); |
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| 449 | } |
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| 450 | #pragma endregion |
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| 451 | #pragma region Complete Audio Format |
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| 452 | m_WaveFormatEx.wFormatTag = WAVE_FORMAT_PCM; |
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| 453 | m_WaveFormatEx.nBlockAlign = m_WaveFormatEx.nChannels * ((m_WaveFormatEx.wBitsPerSample + 7) >> 3); |
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| 454 | m_WaveFormatEx.nAvgBytesPerSec = m_WaveFormatEx.nSamplesPerSec * m_WaveFormatEx.nBlockAlign; |
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| 455 | CWaveFormatEx* pWaveFormatEx = &m_WaveFormatEx; |
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| 456 | // SUGG: Replace with WAVEFORMATEXTENSIBLE where appropriate |
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| 457 | #pragma endregion |
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| 458 | #pragma region Filter Graph |
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| 459 | CGenericFilterGraph GenericFilterGraph(TRUE); |
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| 460 | GenericFilterGraph.CoCreateInstance(); |
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| 461 | CObjectPtr<CSourceFilter> pSourceFilter; |
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| 462 | pSourceFilter.Construct()->Initialize(pWaveFormatEx, m_nLength); |
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| 463 | if(m_nSignalFrequency && m_nSignalLoudness >= 0 || m_nNoiseLoudness) |
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| 464 | { |
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| 465 | __D(m_WaveFormatEx.wBitsPerSample == 16 || m_WaveFormatEx.wBitsPerSample == 24 || m_WaveFormatEx.wBitsPerSample == 32, E_NOTIMPL); |
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| 466 | DOUBLE fSignalPeriod = 0, fSignalAmplitude = 0; |
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| 467 | if(m_nSignalFrequency && m_nSignalLoudness >= 0) |
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| 468 | { |
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| 469 | fSignalPeriod = (DOUBLE) pWaveFormatEx->nSamplesPerSec / m_nSignalFrequency; |
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| 470 | fSignalAmplitude = (((UINT64) 1 << (m_WaveFormatEx.wBitsPerSample - 1)) - 1) / pow(10.0, m_nSignalLoudness / 20.0); |
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| 471 | } |
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| 472 | DOUBLE fNoiseAmplitude = 0; |
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| 473 | if(m_nNoiseLoudness) |
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| 474 | { |
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| 475 | fNoiseAmplitude = (((UINT64) 1 << (m_WaveFormatEx.wBitsPerSample - 1)) - 1) / pow(10.0, m_nNoiseLoudness / 20.0); |
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| 476 | } |
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| 477 | pSourceFilter->InitializeSignal(fSignalPeriod, fSignalAmplitude, fNoiseAmplitude); |
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| 478 | } |
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| 479 | __C(GenericFilterGraph->AddFilter(pSourceFilter, CT2CW(_T("Source")))); |
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| 480 | CComPtr<IPin> pCurrentOutputPin = pSourceFilter->GetOutputPin(); |
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| 481 | #pragma region WAV Dest |
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| 482 | CComPtr<IBaseFilter> pWavDestBaseFilter; |
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| 483 | _ATLTRY |
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| 484 | { |
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| 485 | __C(pWavDestBaseFilter.CoCreateInstance(_PersistHelper::ClassIdentifierFromString(CT2CW(_T("{3C78B8E2-6C4D-11D1-ADE2-0000F8754B99}"))))); |
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| 486 | __C(GenericFilterGraph->AddFilter(pWavDestBaseFilter, CT2CW(_T(".WAV Multiplexer")))); |
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| 487 | __C(GenericFilterGraph->Connect(pCurrentOutputPin, _FilterGraphHelper::GetFilterPin(pWavDestBaseFilter, PINDIR_INPUT))); |
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| 488 | pCurrentOutputPin = _FilterGraphHelper::GetFilterPin(pWavDestBaseFilter, PINDIR_OUTPUT); |
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| 489 | } |
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| 490 | _ATLCATCH(Exception) |
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| 491 | { |
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| 492 | _tprintf(_T("There was an error trying to instantiate WAV Dest filter, Exception 0x%08X\n"), (HRESULT) Exception); |
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| 493 | _ATLRETHROW; |
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| 494 | } |
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| 495 | #pragma endregion |
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| 496 | #pragma region File Writer |
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| 497 | CComPtr<IBaseFilter> pFileWriterBaseFilter; |
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| 498 | __C(pFileWriterBaseFilter.CoCreateInstance(CLSID_FileWriter)); |
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| 499 | CComQIPtr<IFileSinkFilter2> pFileSinkFilter2 = pFileWriterBaseFilter; |
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| 500 | __D(pFileSinkFilter2, E_NOINTERFACE); |
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| 501 | _tprintf(_T("Writing into \"%s\"...\n"), m_sPath); |
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| 502 | __C(pFileSinkFilter2->SetFileName(CT2CW(m_sPath), NULL)); |
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| 503 | __C(pFileSinkFilter2->SetMode(AM_FILE_OVERWRITE)); |
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| 504 | __C(GenericFilterGraph->AddFilter(pFileWriterBaseFilter, CT2CW(_T("File Writer")))); |
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| 505 | __C(GenericFilterGraph->Connect(pCurrentOutputPin, _FilterGraphHelper::GetFilterPin(pFileWriterBaseFilter, PINDIR_INPUT))); |
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| 506 | pCurrentOutputPin.Release(); |
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| 507 | #pragma endregion |
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| 508 | _A(!pCurrentOutputPin); |
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| 509 | _A(GenericFilterGraph.m_pMediaFilter); |
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| 510 | __C(GenericFilterGraph.m_pMediaFilter->SetSyncSource(NULL)); |
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| 511 | #pragma endregion |
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| 512 | _tprintf(_T("Running...\n")); |
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| 513 | _A(GenericFilterGraph.m_pMediaControl); |
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| 514 | __C(GenericFilterGraph.m_pMediaControl->Run()); |
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| 515 | GenericFilterGraph.SetShowDestructorMessageBox(FALSE); |
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| 516 | _A(GenericFilterGraph.m_pMediaEventEx); |
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| 517 | LONG nEventCode; |
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| 518 | __C(GenericFilterGraph.m_pMediaEventEx->WaitForCompletion(INFINITE, &nEventCode)); |
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| 519 | _tprintf(_T("Complete, nEventCode 0x%02X\n"), nEventCode); |
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| 520 | __C(GenericFilterGraph.m_pMediaControl->Stop()); |
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| 521 | } |
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| 522 | }; |
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| 523 | |
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| 524 | //////////////////////////////////////////////////////////// |
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| 525 | // Main |
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| 526 | |
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| 527 | int _tmain(int argc, _TCHAR* argv[]) |
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| 528 | { |
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| 529 | _ATLTRY |
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| 530 | { |
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| 531 | CModule Module; |
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| 532 | #pragma region Parse Command Line |
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| 533 | for(INT nIndex = 1; nIndex < argc; nIndex++) |
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| 534 | { |
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| 535 | CString sArgument = argv[nIndex]; |
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| 536 | _A(!sArgument.IsEmpty()); |
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| 537 | #pragma region Switches |
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| 538 | if(_tcschr(_T("-/"), sArgument[0])) |
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| 539 | { |
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| 540 | sArgument.Delete(0); |
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| 541 | #pragma region Switch Value/Specification |
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| 542 | CString sArgumentValue; |
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| 543 | if(sArgument.GetLength() > 1) |
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| 544 | { |
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| 545 | SIZE_T nIndex = 1; |
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| 546 | if(sArgument[1] == _T(':')) |
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| 547 | nIndex++; |
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| 548 | sArgumentValue = (LPCTSTR) sArgument + nIndex; |
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| 549 | } |
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| 550 | INT nIntegerArgumentValue = 0; |
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| 551 | const BOOL bIntegerArgumentValueValid = !sArgumentValue.IsEmpty() ? AtlStringToInteger(sArgumentValue, nIntegerArgumentValue) : FALSE; |
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| 552 | #pragma endregion |
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| 553 | if(_tcschr(_T("Ss"), sArgument[0])) // Sample Rate |
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| 554 | { |
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| 555 | __D(bIntegerArgumentValueValid, E_INVALIDARG); |
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| 556 | //_tprintf(_T("Option: Sample Rate, %d\n"), nIntegerArgumentValue); |
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| 557 | Module.SetSampleRate(nIntegerArgumentValue); |
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| 558 | } else |
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| 559 | if(_tcschr(_T("Cc"), sArgument[0])) // Channel Count |
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| 560 | { |
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| 561 | __D(bIntegerArgumentValueValid, E_INVALIDARG); |
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| 562 | //_tprintf(_T("Option: Channel Count, %d\n"), nIntegerArgumentValue); |
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| 563 | Module.SetChannelCount(nIntegerArgumentValue); |
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| 564 | } else |
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| 565 | if(_tcschr(_T("Bb"), sArgument[0])) // Sample Bit Count |
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| 566 | { |
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| 567 | __D(bIntegerArgumentValueValid, E_INVALIDARG); |
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| 568 | //_tprintf(_T("Option: Sample Bit Count, %d\n"), nIntegerArgumentValue); |
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| 569 | Module.SetSampleBitCount(nIntegerArgumentValue); |
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| 570 | } else |
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| 571 | if(_tcschr(_T("Tt"), sArgument[0])) // Length, seconds |
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| 572 | { |
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| 573 | __D(bIntegerArgumentValueValid, E_INVALIDARG); |
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| 574 | //_tprintf(_T("Option: Length, %d\n"), nIntegerArgumentValue); |
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| 575 | Module.SetLength(nIntegerArgumentValue * 1000 * 10000i64); |
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| 576 | } else |
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| 577 | if(_tcschr(_T("Ff"), sArgument[0])) // Sine Signal Frequency, Hz |
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| 578 | { |
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| 579 | __D(bIntegerArgumentValueValid, E_INVALIDARG); |
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| 580 | //_tprintf(_T("Option: Sine Signal Frequency, %d\n"), nIntegerArgumentValue); |
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| 581 | Module.SetSignalFrequency(nIntegerArgumentValue); |
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| 582 | } else |
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| 583 | if(_tcschr(_T("Ll"), sArgument[0])) // Sine Signal Loudness, dB below FS |
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| 584 | { |
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| 585 | __D(bIntegerArgumentValueValid, E_INVALIDARG); |
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| 586 | //_tprintf(_T("Option: Sine Signal Loudness, %d\n"), nIntegerArgumentValue); |
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| 587 | Module.SetSignalLoudness(nIntegerArgumentValue); |
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| 588 | } else |
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| 589 | if(_tcschr(_T("Nn"), sArgument[0])) // Noise Signal Loudness, dB below FS |
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| 590 | { |
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| 591 | __D(bIntegerArgumentValueValid, E_INVALIDARG); |
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| 592 | //_tprintf(_T("Option: Noise Signal Loudness, %d\n"), nIntegerArgumentValue); |
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| 593 | Module.SetNoiseLoudness(nIntegerArgumentValue); |
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| 594 | } |
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| 595 | continue; |
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| 596 | } |
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| 597 | #pragma endregion |
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| 598 | if(sArgument.GetLength() >= 2 && sArgument[0] == _T('"') && sArgument[sArgument.GetLength() - 1] == _T('"')) |
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| 599 | sArgument = sArgument.Mid(1, sArgument.GetLength() - 2); |
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| 600 | Module.SetPath(sArgument); |
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| 601 | } |
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| 602 | #pragma endregion |
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| 603 | Module.WinMain(SW_SHOWNORMAL); |
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| 604 | } |
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| 605 | _ATLCATCH(Exception) |
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| 606 | { |
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| 607 | if(FAILED((HRESULT) Exception)) |
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| 608 | _tprintf(_T("Error 0x%08x: %s\n"), (HRESULT) Exception, AtlFormatSystemMessage(Exception).TrimRight(_T("\t\n\r ."))); |
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| 609 | return (INT) (HRESULT) Exception; |
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| 610 | } |
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| 611 | _ATLCATCHALL() |
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| 612 | { |
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| 613 | _tprintf(_T("Fatal Error\n")); |
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| 614 | return (INT) E_FAIL; |
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| 615 | } |
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| 616 | return 0; |
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| 617 | } |
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