1 | //////////////////////////////////////////////////////////// |
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2 | // Copyright (C) Roman Ryltsov, 2015 |
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3 | // Created by Roman Ryltsov roman@alax.info |
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4 | // |
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5 | // A permission to use the source code is granted as long as reference to |
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6 | // source website http://alax.info is retained. |
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7 | |
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8 | #include "stdafx.h" |
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9 | #include <dshow.h> |
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10 | #include <dshowasf.h> |
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11 | #include <wmsysprf.h> |
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12 | #import "libid:9E3ABA93-C8D8-41D3-B39E-29508FDE5757" raw_interfaces_only no_namespace // AlaxInfoReferenceSource |
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13 | |
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14 | #pragma comment(lib, "strmiids.lib") |
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15 | |
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16 | #define _A ATLASSERT |
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17 | #define __C ATLENSURE_SUCCEEDED |
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18 | |
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19 | CComPtr<IPin> GetFilterPin(IBaseFilter* pBaseFilter, SIZE_T nIndex = 0) |
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20 | { |
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21 | _A(pBaseFilter); |
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22 | CComPtr<IEnumPins> pEnumPins; |
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23 | __C(pBaseFilter->EnumPins(&pEnumPins)); |
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24 | for(; ; ) |
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25 | { |
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26 | CComPtr<IPin> pPin; |
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27 | if(pEnumPins->Next(1, &pPin, NULL) != S_OK) |
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28 | break; |
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29 | _A(pPin); |
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30 | if(!nIndex--) |
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31 | return pPin; |
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32 | } |
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33 | return NULL; |
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34 | } |
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35 | |
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36 | int _tmain(int argc, _TCHAR* argv[]) |
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37 | { |
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38 | static const LPCTSTR g_pszPath = _T("D:\\Output.asf"); |
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39 | static const REFERENCE_TIME g_nDuration = 3 * 60 * 1000 * 10000i64; // 15 seconds |
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40 | _ATLTRY |
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41 | { |
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42 | __C(CoInitializeEx(NULL, COINIT_APARTMENTTHREADED)); |
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43 | _ATLTRY |
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44 | { |
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45 | CComPtr<IFilterGraph2> pFilterGraph; |
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46 | __C(pFilterGraph.CoCreateInstance(CLSID_FilterGraph)); |
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47 | // WARN: Make sure ReferenceSource.dll of matching bitness is registered with the system (or otherwise is COM visible/available) |
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48 | #pragma region Video |
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49 | CComPtr<IBaseFilter> pVideoBaseFilter; |
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50 | __C(pVideoBaseFilter.CoCreateInstance(__uuidof(VideoSourceFilter))); |
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51 | __C(pFilterGraph->AddFilter(pVideoBaseFilter, NULL)); |
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52 | { |
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53 | const CComQIPtr<IAMStreamConfig> pAmStreamConfig = GetFilterPin(pVideoBaseFilter); |
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54 | const CComQIPtr<IAMStreamControl> pAmStreamControl = pAmStreamConfig; |
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55 | _A(pAmStreamConfig && pAmStreamControl); |
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56 | VIDEOINFOHEADER VideoInfoHeader; |
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57 | ZeroMemory(&VideoInfoHeader, sizeof VideoInfoHeader); |
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58 | VideoInfoHeader.AvgTimePerFrame = 1001 * 10000i64 / 30; // 29.970 fps |
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59 | BITMAPINFOHEADER& BitmapInfoHeader = VideoInfoHeader.bmiHeader; |
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60 | BitmapInfoHeader.biSize = sizeof BitmapInfoHeader; |
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61 | BitmapInfoHeader.biWidth = 320; //1280; |
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62 | BitmapInfoHeader.biHeight = -240; //-720; // Important: video source is only capable to geneate top-to-bottom 32-bit RGBs due to Direct2D implementation details |
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63 | BitmapInfoHeader.biPlanes = 1; |
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64 | BitmapInfoHeader.biBitCount = 32; |
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65 | BitmapInfoHeader.biCompression = BI_RGB; |
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66 | BitmapInfoHeader.biSizeImage = abs(BitmapInfoHeader.biHeight) * BitmapInfoHeader.biWidth * (BitmapInfoHeader.biBitCount >> 3); |
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67 | AM_MEDIA_TYPE MediaType; |
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68 | ZeroMemory(&MediaType, sizeof MediaType); |
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69 | MediaType.majortype = MEDIATYPE_Video; |
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70 | MediaType.subtype = MEDIASUBTYPE_RGB32; |
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71 | MediaType.bFixedSizeSamples = TRUE; |
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72 | MediaType.bTemporalCompression = FALSE; |
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73 | MediaType.lSampleSize = VideoInfoHeader.bmiHeader.biSizeImage; |
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74 | MediaType.formattype = FORMAT_VideoInfo; |
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75 | MediaType.cbFormat = sizeof VideoInfoHeader; |
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76 | MediaType.pbFormat = (BYTE*) &VideoInfoHeader; |
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77 | __C(pAmStreamConfig ->SetFormat(&MediaType)); |
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78 | __C(pAmStreamControl->StopAt(&g_nDuration, FALSE, (DWORD_PTR) (IBaseFilter*) pVideoBaseFilter)); |
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79 | } |
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80 | #pragma endregion |
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81 | #pragma region Audio |
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82 | CComPtr<IBaseFilter> pAudioBaseFilter; |
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83 | __C(pAudioBaseFilter.CoCreateInstance(__uuidof(AudioSourceFilter))); |
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84 | __C(pFilterGraph->AddFilter(pAudioBaseFilter, NULL)); |
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85 | { |
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86 | const CComQIPtr<IAMStreamConfig> pAmStreamConfig = GetFilterPin(pAudioBaseFilter); |
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87 | const CComQIPtr<IAMStreamControl> pAmStreamControl = pAmStreamConfig; |
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88 | _A(pAmStreamConfig && pAmStreamControl); |
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89 | WAVEFORMATEX WaveFormatEx; |
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90 | ZeroMemory(&WaveFormatEx, sizeof WaveFormatEx); |
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91 | WaveFormatEx.wFormatTag = WAVE_FORMAT_PCM; |
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92 | WaveFormatEx.nChannels = 1; |
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93 | WaveFormatEx.nSamplesPerSec = 32000; |
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94 | WaveFormatEx.wBitsPerSample = 16; |
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95 | WaveFormatEx.nBlockAlign = WaveFormatEx.nChannels * (WaveFormatEx.wBitsPerSample >> 3); |
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96 | WaveFormatEx.nAvgBytesPerSec = WaveFormatEx.nSamplesPerSec * WaveFormatEx.nBlockAlign; |
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97 | AM_MEDIA_TYPE MediaType; |
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98 | ZeroMemory(&MediaType, sizeof MediaType); |
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99 | MediaType.majortype = MEDIATYPE_Audio; |
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100 | MediaType.subtype = MEDIASUBTYPE_PCM; |
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101 | MediaType.bFixedSizeSamples = TRUE; |
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102 | MediaType.bTemporalCompression = FALSE; |
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103 | MediaType.lSampleSize = WaveFormatEx.nBlockAlign; |
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104 | MediaType.formattype = FORMAT_WaveFormatEx; |
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105 | MediaType.cbFormat = sizeof WaveFormatEx; |
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106 | MediaType.pbFormat = (BYTE*) &WaveFormatEx; |
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107 | __C(pAmStreamConfig ->SetFormat(&MediaType)); |
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108 | __C(pAmStreamControl->StopAt(&g_nDuration, FALSE, (DWORD_PTR) (IBaseFilter*) pAudioBaseFilter)); |
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109 | } |
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110 | #pragma endregion |
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111 | #pragma region Renderer |
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112 | CComPtr<IBaseFilter> pRendererBaseFilter; |
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113 | __C(pRendererBaseFilter.CoCreateInstance(CLSID_WMAsfWriter)); |
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114 | __C(pFilterGraph->AddFilter(pRendererBaseFilter, NULL)); |
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115 | const CComQIPtr<IFileSinkFilter> pFileSinkFilter = pRendererBaseFilter; |
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116 | _A(pFileSinkFilter); |
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117 | __C(pFileSinkFilter->SetFileName(CStringW(g_pszPath), NULL)); |
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118 | const CComQIPtr<IConfigAsfWriter> pConfigAsfWriter = pRendererBaseFilter; |
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119 | _A(pConfigAsfWriter); |
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120 | // NOTE: System Profiles https://msdn.microsoft.com/en-us/library/windows/desktop/dd743748 |
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121 | // WARN: This sample using Windows Media 8 system profile for code brevity; the profile overrides video resolution and frame rate and |
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122 | // causes video scaling regardless of input video format |
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123 | __C(pConfigAsfWriter->ConfigureFilterUsingProfileGuid(WMProfile_V80_100Video)); |
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124 | __C(pFilterGraph->Connect(GetFilterPin(pAudioBaseFilter), GetFilterPin(pRendererBaseFilter, 0))); |
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125 | __C(pFilterGraph->Connect(GetFilterPin(pVideoBaseFilter), GetFilterPin(pRendererBaseFilter, 1))); |
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126 | #pragma endregion |
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127 | const CComQIPtr<IMediaFilter> pMediaFilter = pFilterGraph; |
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128 | const CComQIPtr<IMediaControl> pMediaControl = pFilterGraph; |
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129 | const CComQIPtr<IMediaEvent> pMediaEvent = pFilterGraph; |
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130 | _A(pMediaFilter && pMediaControl && pMediaEvent); |
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131 | __C(pMediaFilter->SetSyncSource(NULL)); |
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132 | __C(pMediaControl->Run()); |
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133 | #pragma region Run |
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134 | //BOOL bVideoStopped = !pVideoSourceBaseFilter, bAudioStopped = !pAudioSourceBaseFilter; |
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135 | for(BOOL bComplete = FALSE; !bComplete; ) |
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136 | { |
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137 | for(; !bComplete; ) |
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138 | { |
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139 | LONG nEventCode; |
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140 | LONG_PTR nParameter1, nParameter2; |
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141 | const HRESULT nGetEventResult = pMediaEvent->GetEvent(&nEventCode, &nParameter1, &nParameter2, 1000); // 1 second |
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142 | if(FAILED(nGetEventResult)) |
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143 | break; |
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144 | _ATLTRY |
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145 | { |
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146 | switch(nEventCode) |
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147 | { |
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148 | case EC_COMPLETE: |
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149 | bComplete = TRUE; |
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150 | _tprintf(_T("Completed.\n")); |
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151 | break; |
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152 | case EC_USERABORT: |
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153 | __C(E_ABORT); // Actually unexpected |
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154 | break; |
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155 | case EC_ERRORABORT: |
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156 | _A(FAILED((HRESULT) nParameter1)); |
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157 | __C((HRESULT) nParameter1); |
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158 | break; |
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159 | // NOTE: No need to handle EC_STREAM_CONTROL_ events since with stop time defined, the streaming is finite anyway and we get EC_COMPLETE |
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160 | // case EC_STREAM_CONTROL_STARTED: |
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161 | // break; |
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162 | // case EC_STREAM_CONTROL_STOPPED: |
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163 | // if(nParameter2 == (LONG_PTR) (IBaseFilter*) pVideoBaseFilter) |
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164 | // bVideoStopped = TRUE; |
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165 | // else if(nParameter2 == (LONG_PTR) (IBaseFilter*) pAudioBaseFilter) |
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166 | // bAudioStopped = TRUE; |
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167 | // else |
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168 | // _A(FALSE); |
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169 | // break; |
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170 | } |
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171 | } |
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172 | _ATLCATCHALL() |
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173 | { |
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174 | pMediaEvent->FreeEventParams(nEventCode, nParameter1, nParameter2); |
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175 | _ATLRETHROW; |
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176 | } |
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177 | pMediaEvent->FreeEventParams(nEventCode, nParameter1, nParameter2); |
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178 | //bComplete |= bVideoStopped && bAudioStopped; |
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179 | } |
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180 | //bComplete |= bVideoStopped && bAudioStopped; |
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181 | SwitchToThread(); |
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182 | } |
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183 | #pragma endregion |
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184 | __C(pMediaControl->Stop()); |
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185 | _tprintf(_T("Done.")); |
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186 | } |
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187 | _ATLCATCHALL() |
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188 | { |
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189 | CoUninitialize(); |
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190 | _ATLRETHROW; |
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191 | } |
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192 | CoUninitialize(); |
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193 | } |
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194 | _ATLCATCH(Exception) |
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195 | { |
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196 | _tprintf(_T("Fatal Error 0x%08X\n"), (HRESULT) Exception); |
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197 | } |
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198 | return 0; |
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199 | } |
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200 | |
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