{"id":2742,"date":"2014-12-13T23:58:10","date_gmt":"2014-12-13T23:58:10","guid":{"rendered":"http:\/\/kako.com\/blog\/?p=2742"},"modified":"2014-12-25T22:46:14","modified_gmt":"2014-12-25T22:46:14","slug":"ovrvision%e7%94%a8%e3%81%ae%e3%82%ad%e3%83%a3%e3%83%97%e3%83%81%e3%83%a3%e3%83%bc%e3%82%bd%e3%83%95%e3%83%88%e3%82%92%e6%9b%b8%e3%81%84%e3%81%a6%e3%81%bf%e3%81%a6%e3%81%84%e3%82%8b","status":"publish","type":"post","link":"http:\/\/kako.com\/blog\/?p=2742","title":{"rendered":"Ovrvision\u7528\u306e\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u30bd\u30d5\u30c8\u3092\u66f8\u3044\u3066\u307f\u3066\u3044\u308b"},"content":{"rendered":"

Ovrvision<\/a>\u7528\u306e\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u30bd\u30d5\u30c8\u3092\u66f8\u3044\u3066\u307f\u3066\u3044\u308b\u3002<\/p>\n

USB\u63a5\u7d9a\u306e2\u3064\u306e\u30ab\u30e1\u30e9\u30c7\u30d0\u30a4\u30b9\u3068\u3057\u3066Windows\u306b\u8a8d\u8b58\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u30012\u3064\u306e\u30ab\u30e1\u30e9\u304b\u3089\u306e\u540c\u6642\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u3092\u3059\u308c\u3070\u3088\u3044\u3002<\/p>\n

OpenCV\u3067\u3059\u308b\u5834\u5408\u3001<\/p>\n

\r\n  CvCapture *capture1,*capture2;\r\n  capture1 = cvCaptureFromCAM(0); \/\/ Right camera\r\n  capture2 = cvCaptureFromCAM(1); \/\/ Left camera\r\n  frame1      = cvQueryFrame(capture1);\r\n  frame2      = cvQueryFrame(capture2);\r\n<\/pre>\n
\u306a\u3069\u3068\u3059\u308c\u3070\u3088\u3044\u3002
\n\u3057\u304b\u3057\u3001\u30ce\u30fc\u30c8PC\u3067\u65e2\u306b\u5185\u8535\u306eweb\u30ab\u30e1\u30e9\u304c\u3042\u308b\u5834\u5408\u306b\u30ab\u30e1\u30e9\u304c3\u3064\u3068\u306a\u308a\u3001\u305d\u306e\u5834\u5408\u306b\u3061\u3087\u3063\u3068\u56f0\u308b\u3002
\n\u5185\u8535\u30ab\u30e1\u30e9\u30c7\u30d0\u30a4\u30b9\u3092\u30c7\u30d0\u30a4\u30b9\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u304b\u3089\u7121\u52b9\u306b\u8a2d\u5b9a\u3059\u308b\u3068\u3088\u3044\u304b\u3068\u601d\u3063\u305f\u3089\u3001\u52d5\u304f\u3053\u3068\u3082\u3042\u308c\u3070\u52d5\u304b\u306a\u3044\u3053\u3068\u3082\u3042\u308a\u3001\u3069\u3046\u3082\u5b89\u5b9a\u3057\u306a\u3044\u3002
\n<\/p>\n
OpenCV\u4ee5\u5916\u306e\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u65b9\u6cd5\u3068\u3057\u3066\u306f\u3001VFW(Video for Windows)\u3092\u4f7f\u3046\u65b9\u6cd5\u304c\u3042\u308b\u3002<\/p>\n
\r\n#include <vfw.h>\r\n  hnd = capCreateCaptureWindow("Camera",WS_CHILD,0+10,0+10,640,480,hWnd,0 );\r\n  capDriverConnect( hnd, index );\r\n  dwSize = capGetVideoFormatSize(hnd);\r\n  capGetVideoFormat(hnd, &psVideoFormat, dwSize);\r\n  psVideoFormat.biBitCount = 24;\r\n  psVideoFormat.biCompression = BI_RGB;\r\n  capSetVideoFormat(hnd, &psVideoFormat, dwSize);\r\n  capSetCallbackOnFrame( hnd, FrameCallback );\r\n<\/pre>\n
\u306a\u3069\u3068\u3059\u308b\u306e\u3060\u3051\u3069\u3001\u8907\u6570\u306e\u30ab\u30e1\u30e9\u304b\u3089\u306e\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u306f\u8a66\u3057\u3066\u3044\u306a\u3044\u3002
\nOpenCV\u306f\u5185\u90e8\u3067VFW\u3092\u4f7f\u3063\u3066\u3044\u308b\u3088\u3046\u306a\u306e\u3067\u3001\u7d50\u679c\u306f\u540c\u3058\u3067\u4e0d\u5b89\u5b9a\u306a\u307e\u307e\u306b\u306a\u308a\u305d\u3046\u306a\u6c17\u304c\u3059\u308b\u3002<\/p>\n
\u3042\u3068\u4ed6\u306e\u65b9\u6cd5\u3068\u3044\u3046\u3053\u3068\u3067\u3001DirectX\u306eDirectShow\u3092\u4f7f\u3063\u3066\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u3059\u308b\u3068\u3044\u3046\u65b9\u6cd5\u304c\u3042
\n\u308b\u3002
\n\u5b9f\u969b\u306b2\u3064\u306e\u30ab\u30e1\u30e9\u304b\u3089\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u3059\u308b\u30bd\u30d5\u30c8\u3092\u66f8\u3044\u3066\u307f\u305f\u3068\u3053\u308d\u3001\u3068\u308a\u3042\u3048\u305a\u3046\u307e\u304f\u3044\u3063\u305f\u3088\u3046\u3060\u3002
\n\u3061\u3087\u3063\u3068\u9577\u3044\u304c\u3001\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u3044\u305f\u3002<\/p>\n
\r\n#include <windows.h>\r\n#include <dshow.h>\t\t\t\/\/ DirectShow(DirectX)\r\n#include "qedit.h"\t\t\t\/\/ SampleGrabber\r\n#include <stdio.h>\r\n\r\n#pragma comment (lib, "strmiids.lib") \r\n\r\n#define TIMER_WAIT 10\r\n#define MAX_CAM 2\r\n\r\nHWND hWnd = NULL;\r\nIGraphBuilder * pGraph;\r\nIMediaControl * pMC = NULL;\r\nICaptureGraphBuilder2 * pCapture[MAX_CAM];\r\nIBaseFilter     *pF[MAX_CAM];\r\nISampleGrabber  *pGrab[MAX_CAM];\r\nICreateDevEnum * pDevEnum =NULL;\r\nIBaseFilter  *pbf[MAX_CAM];\r\nIMoniker * pMoniker = NULL;\r\nIEnumMoniker * pClassEnum = NULL;\r\nULONG cFetched;\r\nAM_MEDIA_TYPE amt;\r\nBITMAPINFOHEADER Bmphd;\r\nBYTE *lpBmpData1;\r\nBYTE *lpBmpData2;\r\nlong datasize;\r\nint init_flag=0 , cap_start=0;\r\nint wd,ht;\r\n\r\nLRESULT CALLBACK WndProc(HWND hWnd, UINT msg,WPARAM wParam, LPARAM lParam);\r\n\r\nint InitVideoCapture(void)\r\n{\r\n\tint i,n;\r\n\t\r\n\tCoInitialize(NULL); \/\/ COM initialize\r\n\t\r\n\t\/\/ capture device\r\n\tCoCreateInstance( CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC,IID_ICreateDevEnum, (void ** ) &pDevEnum);\r\n\tpDevEnum -> CreateClassEnumerator(CLSID_VideoInputDeviceCategory, &pClassEnum, 0);\r\n\tif (pClassEnum == NULL){\r\n\t\tpDevEnum -> Release(); CoUninitialize(); return -1; \/\/ no camera\r\n\t}\r\n\t\r\n\t\/\/ find interface of video capture device object\r\n\tn=0;\r\n\twhile (1) {\r\n\t\tif (pClassEnum -> Next(1, &pMoniker, &cFetched) == S_OK) {\r\n\t\t\tpMoniker -> BindToObject( 0, 0, IID_IBaseFilter, (void**)&pbf[n] );\r\n\t\t\tn++;\r\n\t\t} else {\r\n\t\t\tbreak;\r\n\t\t}\r\n\t}\r\n\tif (n!=2) {\r\n\t\tpDevEnum -> Release(); CoUninitialize(); return -1; \/\/ not 2 cameras\r\n\t}\r\n\t\r\n\t\/\/ filter graph\r\n\tCoCreateInstance( CLSID_FilterGraph, NULL, CLSCTX_INPROC,IID_IGraphBuilder, (void **) &pGraph);\r\n\tpGraph -> QueryInterface( IID_IMediaControl, (LPVOID *) &pMC );\r\n\tfor (i=0;i<n;i++) {\r\n\t\tpGraph -> AddFilter( pbf[i], L"Video Capture");\r\n\t\tpbf[i] -> Release();\r\n\t}\r\n\t\r\n\t\/\/ add grabber filter\r\n\tfor (i=0;i<n;i++) {\r\n\t\tCoCreateInstance( CLSID_SampleGrabber, NULL, CLSCTX_INPROC_SERVER,IID_IBaseFilter, (LPVOID *)&pF[i]);\r\n\t\tpF[i] -> QueryInterface( IID_ISampleGrabber, (void **)&pGrab[i] );\r\n\t\tZeroMemory(&amt, sizeof(AM_MEDIA_TYPE));\r\n\t\tamt.majortype  = MEDIATYPE_Video; amt.subtype= MEDIASUBTYPE_RGB24; amt.formattype = FORMAT_VideoInfo; \r\n\t\tpGrab[i] -> SetMediaType( &amt );\r\n\t\tpGraph -> AddFilter(pF[i], L"SamGra");\r\n\t}\r\n\t\r\n\t\/\/ capture graph\r\n\tfor (i=0;i<n;i++) {\r\n\t\tCoCreateInstance( CLSID_CaptureGraphBuilder2 , NULL, CLSCTX_INPROC,IID_ICaptureGraphBuilder2, (void **) &pCapture[i] );\r\n\t\tpCapture[i] -> SetFiltergraph( pGraph );\r\n\t\tpCapture[i] -> RenderStream (&PIN_CATEGORY_PREVIEW, &MEDIATYPE_Video, pbf[i], NULL, pF[i]);\r\n\t}\r\n\tpDevEnum -> Release();\r\n\tpClassEnum -> Release();\r\n\tpMoniker -> Release();\r\n\t\r\n\t\/\/ capture Info\r\n\tpGrab[0] -> GetConnectedMediaType( &amt ); \r\n\tpGrab[1] -> GetConnectedMediaType( &amt ); \r\n\tVIDEOINFOHEADER *pVideoHeader = (VIDEOINFOHEADER*)amt.pbFormat;\r\n\tBITMAPINFO BitmapInfo;\r\n\tZeroMemory( &BitmapInfo, sizeof(BitmapInfo) );\r\n\tCopyMemory( &BitmapInfo.bmiHeader, &(pVideoHeader->bmiHeader),sizeof(BITMAPINFOHEADER));\r\n\tBmphd = BitmapInfo.bmiHeader;\r\n\tdatasize = Bmphd.biSizeImage;\r\n\tlpBmpData1 = (BYTE *)malloc( datasize );\r\n\tlpBmpData2 = (BYTE *)malloc( datasize );\r\n\twd=pVideoHeader->bmiHeader.biWidth;\r\n\tht=pVideoHeader->bmiHeader.biHeight;\r\n\t\r\n\t\/\/ capture start\r\n\tpGrab[0]->SetBufferSamples(TRUE);\r\n\tpGrab[1]->SetBufferSamples(TRUE);\r\n\tpMC->Run();\r\n\t\r\n\treturn 0;\r\n}\r\n\r\nvoid FinishVideoCaputure(void)\r\n{\r\n\t\/\/ capture stop\r\n\tpMC -> Stop();\r\n\tpGrab[0] -> SetBufferSamples( 0 );\r\n\tpGrab[1] -> SetBufferSamples( 0 );\r\n\t\r\n\t\/\/ release\r\n\tpGraph -> Release();\r\n\tpCapture[0] -> Release();\r\n\tpCapture[1] -> Release();\r\n\t\/\/ pMC -> Release();\r\n\tfree( lpBmpData1 );\r\n\tfree( lpBmpData2 );\r\n\t\r\n\tCoUninitialize(); \/\/ COM Release\r\n}\r\n\r\nint APIENTRY WinMain(HINSTANCE hInst,HINSTANCE,LPSTR cmd,int show)\r\n{\r\n\tWNDCLASSEX wndclass;\r\n\tMSG msg;\r\n\tint ret;\r\n\t\r\n\tret=InitVideoCapture(); \/\/ capture init\r\n\tif (ret == -1) { MessageBox(NULL,"capture cannot start",NULL,MB_OK); return 0; }\r\n\t\r\n\t\/\/ window setting\r\n\twndclass.cbSize        = sizeof(wndclass);\r\n\twndclass.style         = CS_HREDRAW | CS_VREDRAW;\r\n\twndclass.lpfnWndProc   = WndProc;\r\n\twndclass.cbClsExtra    = 0;\r\n\twndclass.cbWndExtra    = 0;\r\n\twndclass.hInstance     = hInst;\r\n\twndclass.hIcon         = LoadIcon (NULL, IDI_APPLICATION);\r\n\twndclass.hCursor       = LoadCursor (NULL, IDC_ARROW);\r\n\twndclass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);\r\n\twndclass.lpszMenuName  = NULL;\r\n\twndclass.lpszClassName = "wnd-001";\r\n\twndclass.hIconSm       = 0;\r\n\tRegisterClassEx (&wndclass);\r\n\t\r\n\t\/\/ create window\r\n\thWnd = CreateWindow( "wnd-001", "" ,WS_OVERLAPPEDWINDOW, 0,0,wd*2+20,ht+50,NULL,NULL,hInst,NULL);\r\n\tif (hWnd==NULL) { return FALSE; }\r\n\tShowWindow(hWnd,show); UpdateWindow(hWnd);\r\n\t\r\n\t\/\/ timer\r\n\tSetTimer(hWnd,1,TIMER_WAIT,NULL);\r\n\t\r\n\t\/\/ event loop\r\n\twhile (GetMessage(&msg,NULL,0,0)) {\r\n\t\tTranslateMessage(&msg); DispatchMessage(&msg);  \/\/ do event\r\n\t}\r\n\treturn msg.wParam;\r\n}\r\n\r\nLRESULT CALLBACK WndProc(HWND hWnd, UINT msg,WPARAM wParam, LPARAM lParam)\r\n{\r\n\tstatic int tic=0;\r\n\tswitch (msg) {\r\n\t case WM_CREATE:\r\n\t\tbreak;\r\n\t case WM_PAINT:\r\n\t\tPAINTSTRUCT ps;\r\n\t\tHDC hdc;\r\n\t\thdc=BeginPaint(hWnd,&ps);\r\n\t\tif (cap_start==1) {\r\n\t\t\tSetDIBitsToDevice(ps.hdc , 5   ,5, wd,ht, 0,0, 0,ht, lpBmpData2 , (BITMAPINFO *)&(Bmphd), DIB_RGB_COLORS );\r\n\t\t\tSetDIBitsToDevice(ps.hdc , 5+wd,5, wd,ht, 0,0, 0,ht, lpBmpData1 , (BITMAPINFO *)&(Bmphd), DIB_RGB_COLORS );\r\n\t\t}\r\n\t\tEndPaint(hWnd,&ps);\r\n\t\tbreak;\r\n\t case WM_TIMER:\r\n\t \tif (tic<60) {\r\n\t \t\ttic++;\r\n\t\t\tif (tic==60) { init_flag=1; }\r\n\t \t}\r\n\t\tif (init_flag==1) {\r\n\t\t\t\/\/ capture\r\n\t\t\tHRESULT hr;\r\n\t\t\thr = pGrab[0]->GetCurrentBuffer( &datasize, (long*)lpBmpData1);\r\n\t\t\thr = pGrab[1]->GetCurrentBuffer( &datasize, (long*)lpBmpData2);\r\n\t\t\tcap_start=1;\r\n\t\t\tInvalidateRect(hWnd , NULL , FALSE);\r\n\t\t}\r\n\t\tbreak;\r\n\t case WM_KEYDOWN:\r\n\t\tif (wParam==0x1B) { SendMessage(hWnd,WM_DESTROY,0,0); } \/\/ ESC key to quit\r\n\t\tbreak;\r\n\t case WM_DESTROY:\r\n\t\tFinishVideoCaputure(); \/\/ capture finish\r\n\t\tPostQuitMessage(0);\r\n\t\tbreak;\r\n\t default:\r\n\t\treturn DefWindowProc(hWnd,msg,wParam,lParam);\r\n\t}\r\n\treturn 0;\r\n}\r\n<\/pre>\n
\u3053\u308c\u3092\u5143\u306bOculus Rift DK1\u7528\u306b\u753b\u9762\u51fa\u529b\u3059\u308b\u30bd\u30d5\u30c8\u3092\u66f8\u3051\u3070\u3001\u306a\u3093\u3068\u304b\u306a\u308a\u305d\u3046\u306a\u6c17\u304c\u3057\u3066\u304d\u305f\u3002
\nOvrvision1\u3092DK2\u7528\u306b\u63db\u88c5\u3057\u3066\u3057\u307e\u3063\u305f\u3051\u3069\u3001\u307e\u305fDK1\u7528\u306b\u623b\u3057\u3066\u307f\u308b\u3002<\/p>\n
\u2013
\n\u8ffd\u8a18
\nOpenCV\u3067DirectShow\u3092\u4f7f\u3046\u65b9\u6cd5\u304c\u3042\u308b\u305d\u3046\u3060\u3002
\nTwitter\u3067\u6559\u3048\u3066\u3044\u305f\u3060\u3044\u305f\u3002
\n\u2192 buildinsider.net\/small\/opencv\/05 \u306e\u300c2.5.2 \u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u300d\u306b\u3042\u308b\u3088\u3046\u306b\u3059\u308c\u3070OpenCV\u3067\u3082DirectShow\u7d4c\u7531\u306e\u30ad\u30e3\u30d7\u30c1\u30e3\u304c\u3067\u304d\u308b\u306e\u3067\u3054\u53c2\u8003\u307e\u3067\u306b\u3002<\/a><\/p>\n
\r\n  int camera_id = 0;\r\n  cv::VideoCapture cap(CV_CAP_DSHOW + camera_id);\r\n<\/pre>\n
\u306a\u3069\u3068\u3059\u308c\u3070\u3088\u3044\u3089\u3057\u3044\u3002
\n\u3044\u307e\u307e\u3067C\u8a00\u8a9e\u3067OpenCV\u3092\u5229\u7528\u3057\u3066\u304d\u305f\u3051\u3069\u3001C++\u3067\u4f7f\u3046\u306e\u304c\u4e3b\u6d41\u306a\u306e\u304b\u3082\u3057\u308c\u306a\u3044\u3002 <\/p>\n","protected":false},"excerpt":{"rendered":"
Ovrvision\u7528\u306e\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u30bd\u30d5\u30c8\u3092\u66f8\u3044\u3066\u307f\u3066\u3044\u308b\u3002 USB\u63a5\u7d9a\u306e2\u3064\u306e\u30ab\u30e1\u30e9\u30c7\u30d0\u30a4\u30b9\u3068\u3057\u3066Windows\u306b\u8a8d\u8b58\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u30012\u3064\u306e\u30ab\u30e1\u30e9\u304b\u3089\u306e\u540c\u6642\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u3092\u3059\u308c\u3070\u3088\u3044\u3002 OpenCV\u3067\u3059\u308b\u5834\u5408\u3001 \u306a\u3069\u3068\u3059\u308c […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[8,14],"tags":[],"_links":{"self":[{"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2742"}],"collection":[{"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2742"}],"version-history":[{"count":4,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2742\/revisions"}],"predecessor-version":[{"id":3305,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2742\/revisions\/3305"}],"wp:attachment":[{"href":"http:\/\/kako.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2742"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}