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/********************************************************************************/ /* * File name: autodetect.cpp * Location: See Matrox Example Launcher in the MIL Control Center * * * Synopsis: This program shows how to detect Matrox Orion HD * input sources using the M_MINIMAL flag with MdigAlloc. * * When a digitizer is allocated with M_MINIMAL it can only be * used for input source detection, it cannot be used for grabbing. * */ #include <mil.h> #include <windows.h> const MIL_INT gNumberOfDigitizers = 4; const MIL_TEXT_PTR gDCFName = MIL_TEXT("autodetect.dcf"); const MIL_INT gDevNumber [4] = {M_DEV0, M_DEV1, M_DEV2, M_DEV3}; const MIL_DOUBLE gCameraPresentWaitTime = 5.0; MIL_INT MFTYPE DigHookCameraPresent(MIL_INT hookType, MIL_ID eventId, void *userData); void PrintDigitizerInfo(MIL_ID MilDigitizer); typedef struct { MIL_ID MilSystem; MIL_ID MilDigitizer; MIL_INT DevNumber; MIL_ID MilDisplay; MIL_ID MilImageDisp; bool IsCameraPresent; bool IsGrabbing; MIL_DOUBLE CheckforCameraPresentWaitTime; } DIG_INFO, *PDIG_INFO ; int MosMain(void) { MIL_ID MilApplication, /* Application identifier. */ MilSystem; /* System identifier. */ DIG_INFO DigInfo[gNumberOfDigitizers]; MIL_TEXT_CHAR DCFFormat[255]; MIL_INT i; MIL_INT NumberOfGrabsInProgress = 0; memset(DigInfo, 0, sizeof(DigInfo)); system("cls"); MosPrintf(MIL_TEXT("Matrox OrionHD autodetect example.\n")); MosPrintf(MIL_TEXT("----------------------------------\n\n")); // First step: allocate Mil OrionHD system. MappAlloc(M_DEFAULT, &MilApplication); MsysAlloc(M_SYSTEM_ORION_HD, M_DEFAULT, M_DEFAULT, &MilSystem); // Second step: allocate displays and minimum digitizers. MosPrintf(MIL_TEXT("Allocating system and digitizers... ")); for(i = 0; i < gNumberOfDigitizers; i++) { PDIG_INFO pDigInfo = &DigInfo[i]; pDigInfo->MilSystem = MilSystem; pDigInfo->DevNumber = gDevNumber[i]; pDigInfo->IsGrabbing = false; pDigInfo->IsCameraPresent = false; MdispAlloc(MilSystem, M_DEFAULT, MIL_TEXT("M_DEFAULT"), M_DEFAULT, &pDigInfo->MilDisplay); MdigAlloc(MilSystem, DigInfo[i].DevNumber, gDCFName, M_MINIMAL, &pDigInfo->MilDigitizer); MdigHookFunction(DigInfo[i].MilDigitizer, M_CAMERA_PRESENT, DigHookCameraPresent, pDigInfo); if(MdigInquire(pDigInfo->MilDigitizer, M_CAMERA_PRESENT, M_NULL) == M_TRUE) pDigInfo->IsCameraPresent = true; MosPrintf(MIL_TEXT(".")); } MosPrintf(MIL_TEXT(" done\n\n")); MosPrintf(MIL_TEXT("-------------------------------------------------------------\n")); MappControl(M_ERROR, M_PRINT_DISABLE); // Third step: loop all the digitizers and print their information. while(1) { Sleep(500); MIL_INT KeyPressed = 0; if(MosKbhit()) KeyPressed = MosGetch(); if(KeyPressed == 'q') break; COORD Coord; Coord.X = 0; Coord.Y = 6; SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), Coord); // Print the input source of each digitizer. for(i = 0; i < gNumberOfDigitizers; i++) { PDIG_INFO pDigInfo = &DigInfo[i]; MosPrintf(MIL_TEXT("\nDigitizer %d: \n"),i); MosPrintf(MIL_TEXT("------------ \n")); if(pDigInfo->IsCameraPresent) { MosPrintf(MIL_TEXT("Input source is present. %s \n"), pDigInfo->IsGrabbing?MIL_TEXT("Live grab in progress. "): MIL_TEXT(" ")); PrintDigitizerInfo(pDigInfo->MilDigitizer); } else { MosPrintf(MIL_TEXT("Input source not present. \n")); MosPrintf(MIL_TEXT(" \n")); MosPrintf(MIL_TEXT(" \n")); MosPrintf(MIL_TEXT(" \n")); } // The camera present hook was called, check the camera present status after a few seconds // to be sure it is stable. Prevents fast plug-unplug issues. if(pDigInfo->CheckforCameraPresentWaitTime) { MIL_DOUBLE TimeRead; MappTimer(M_TIMER_READ + M_GLOBAL, &TimeRead); if(TimeRead - pDigInfo->CheckforCameraPresentWaitTime > gCameraPresentWaitTime) { pDigInfo->CheckforCameraPresentWaitTime = 0; if(MdigInquire(pDigInfo->MilDigitizer, M_CAMERA_PRESENT, M_NULL)) pDigInfo->IsCameraPresent = true; else pDigInfo->IsCameraPresent = false; } } // Stop the live grab if the camera is disconnected. bool StopGrabbing = (pDigInfo->IsGrabbing) && (!pDigInfo->IsCameraPresent); // The user pressed the digitizer number. if((KeyPressed == i + '0') || StopGrabbing) { if(pDigInfo->IsGrabbing || StopGrabbing) { // A grab is in progress, stop it. MdigHalt(pDigInfo->MilDigitizer); MbufFree(DigInfo[i].MilImageDisp); MdigFree(pDigInfo->MilDigitizer); // Allocated the digitizer with the M_MINIMAL flag. This digitizer cannot be used for grabbing. MdigAlloc(pDigInfo->MilSystem, pDigInfo->DevNumber, gDCFName, M_MINIMAL, &pDigInfo->MilDigitizer); MdigHookFunction(pDigInfo->MilDigitizer, M_CAMERA_PRESENT, DigHookCameraPresent, pDigInfo); pDigInfo->IsGrabbing = false; NumberOfGrabsInProgress--; } else if(pDigInfo->IsCameraPresent) { MIL_INT SizeX, SizeY; MdigInquire(pDigInfo->MilDigitizer, M_FORMAT_DETECTED, DCFFormat); MdigFree(pDigInfo->MilDigitizer); MdigAlloc(pDigInfo->MilSystem, pDigInfo->DevNumber, DCFFormat, M_DEFAULT, &pDigInfo->MilDigitizer); if(pDigInfo->MilDigitizer) { MdigHookFunction(pDigInfo->MilDigitizer, M_CAMERA_PRESENT, DigHookCameraPresent, pDigInfo); MIL_TEXT_CHAR WindowTitle[MAX_PATH]; MosSprintf(WindowTitle, MAX_PATH, MIL_TEXT("Dev: %d DCF: %s"), pDigInfo->DevNumber, DCFFormat); MdispControl(pDigInfo->MilDisplay, M_TITLE, M_PTR_TO_DOUBLE(WindowTitle)); MdigInquire(pDigInfo->MilDigitizer, M_SIZE_X, &SizeX); MdigInquire(pDigInfo->MilDigitizer, M_SIZE_Y, &SizeY); MbufAllocColor(pDigInfo->MilSystem, 3, SizeX, SizeY, 8, M_IMAGE + M_GRAB + M_DISP, &pDigInfo->MilImageDisp); MdispSelect(pDigInfo->MilDisplay, pDigInfo->MilImageDisp); MdigGrabContinuous(pDigInfo->MilDigitizer, pDigInfo->MilImageDisp); pDigInfo->IsGrabbing = true; NumberOfGrabsInProgress++; } else { MdigAlloc(pDigInfo->MilSystem, pDigInfo->DevNumber, gDCFName, M_MINIMAL, &pDigInfo->MilDigitizer); MdigHookFunction(pDigInfo->MilDigitizer, M_CAMERA_PRESENT, DigHookCameraPresent, pDigInfo); pDigInfo->IsGrabbing = false; } } } } MosPrintf(MIL_TEXT("\n---------------------------------------------------------------\n\n")); MosPrintf(MIL_TEXT("Press the digitizer number (0-3) to start or stop a live grab. \n")); MosPrintf(MIL_TEXT("Press 'q' to quit. \n")); MosPrintf(MIL_TEXT(" \n")); } // Last step: free all allocations and exit. for(i = 0; i < gNumberOfDigitizers; i++) { if(DigInfo[i].MilImageDisp) MbufFree(DigInfo[i].MilImageDisp); if(DigInfo[i].MilDisplay) MdispFree(DigInfo[i].MilDisplay); if(DigInfo[i].MilDigitizer) MdigFree(DigInfo[i].MilDigitizer); } MsysFree(MilSystem); MappFree(MilApplication); return 0; } // The camera present hook. // When called inquire and store the current time. // Then MdigInquire of camera present will be done in the main loop after a few seconds. MIL_INT MFTYPE DigHookCameraPresent(MIL_INT hookType, MIL_ID eventId, void *userData) { PDIG_INFO pDigInfo = (PDIG_INFO)userData; pDigInfo->IsCameraPresent = false; MappTimer(M_TIMER_READ + M_GLOBAL, &pDigInfo->CheckforCameraPresentWaitTime); return 0; } // Prints to the console the details of the detected input. void PrintDigitizerInfo(MIL_ID MilDigitizer) { MIL_TEXT_CHAR DCFFormat[255]; MIL_INT ColorMode; MIL_INT InputMode; MIL_INT ScanMode; MIL_INT SizeX, SizeY, SizeBand; MIL_DOUBLE FrameRate; MIL_INT DigitizerNumber; MdigInquire(MilDigitizer, M_NUMBER, &DigitizerNumber); MdigInquire(MilDigitizer, M_SIZE_X, &SizeX); MdigInquire(MilDigitizer, M_SIZE_Y, &SizeY); MdigInquire(MilDigitizer, M_SIZE_BAND, &SizeBand); MdigInquire(MilDigitizer, M_INPUT_MODE, &InputMode); MdigInquire(MilDigitizer, M_COLOR_MODE, &ColorMode); MdigInquire(MilDigitizer, M_SCAN_MODE, &ScanMode); MdigInquire(MilDigitizer, M_SELECTED_FRAME_RATE, &FrameRate); MdigInquire(MilDigitizer, M_FORMAT_DETECTED, DCFFormat); MosPrintf(MIL_TEXT(" \r")); MosPrintf(MIL_TEXT("\t%d x %d, %d band(s). "), SizeX, SizeY, SizeBand); switch(ColorMode) { case M_DVI: MosPrintf(MIL_TEXT("DVI "));break; case M_SDI: MosPrintf(MIL_TEXT("SDI "));break; case M_COMPOSITE: MosPrintf(MIL_TEXT("Composite "));break; case M_RGB: MosPrintf(MIL_TEXT("RGB "));break; case M_EXTERNAL_CHROMINANCE: MosPrintf(MIL_TEXT("Y\\C "));break; case M_MONOCHROME: MosPrintf(MIL_TEXT("Monochrome "));break; default: MosPrintf(MIL_TEXT(" ")); } switch(InputMode) { case M_ANALOG: MosPrintf(MIL_TEXT("analog "));break; case M_DIGITAL: MosPrintf(MIL_TEXT("digital "));break; default: MosPrintf(MIL_TEXT(" ")); } switch(ScanMode) { case M_PROGRESSIVE: MosPrintf(MIL_TEXT("progressive "));break; case M_INTERLACE: MosPrintf(MIL_TEXT("interlaced "));break; default: MosPrintf(MIL_TEXT(" ")); } MosPrintf(MIL_TEXT("@ %0.2f fps.\n"), FrameRate); MosPrintf(MIL_TEXT(" \r")); MosPrintf(MIL_TEXT("\tDCF: %s.\n\n"), DCFFormat); }