multicard.cpp

基于SDK的图像采集程序

// Multicard.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "Multicard.h"

#include "MainFrm.h"
#include "ChildFrm.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

//======== Add for ver5.2, begin =================
typedef struct tagSAVEDATA
{
	VideoStandard	standard;
	int				source;
	long			brightness;
	long			contrast;
	long			hue;
	long			saturation;
	VideoSubType	subtype;
	LONG			width;
	LONG			height;
} SAVEDATA;

//将卡的属性设置成上次退出时的状态
bool ResetParame(int iCardID)
{
	SAVEDATA SaveData;
	HRESULT hr;
	BOOL bConnectOk;
	VIDEOSTREAMINFO vsi;
	FILE * fp;
	char szFileName[20];

	hr = DSStream_IsConnected(iCardID, &bConnectOk);
	if(FAILED(hr) || !bConnectOk)
		return false;

	//从文件读入数据
	sprintf(szFileName, "c:\\SaveData.%02d", iCardID);
	fp = fopen(szFileName, "rb");
	if(!fp)
		return false;
	fread(&SaveData, sizeof(SAVEDATA), 1, fp);
	fclose(fp);

	//设置视频制式
	DSStream_SetVideoStandard(iCardID, SaveData.standard);

	//设置视频源
	DSStream_RouteInPinToOutPin(iCardID, SaveData.source, 0);

	//设置视频属性：亮度、对比度、色度、饱和度
	DSStream_SetVideoPropertyValue(iCardID, VideoProperty_Brightness, SaveData.brightness);
	DSStream_SetVideoPropertyValue(iCardID, VideoProperty_Contrast, SaveData.contrast);
	DSStream_SetVideoPropertyValue(iCardID, VideoProperty_Hue, SaveData.hue);
	DSStream_SetVideoPropertyValue(iCardID, VideoProperty_Saturation, SaveData.saturation);

	//设置视频格式：视频格式、宽、高
	DSStream_GetVideoInfo(iCardID, &vsi, PREVIEW);
	vsi.subtype = SaveData.subtype;
	vsi.bmiHeader.biWidth = SaveData.width;
	vsi.bmiHeader.biHeight= SaveData.height;
	DSStream_DisconnectPin(iCardID, PREVIEW);
	DSStream_SetVideoInfo(iCardID, vsi, PREVIEW);
	DSStream_ConnectPin(iCardID, PREVIEW);

	return true;
}

//保存卡的当前属性，以备下次连接时重新设回
bool SaveParame(int iCardID)
{
	SAVEDATA SaveData;
	HRESULT hr;
	BOOL bConnectOk;
	VIDEOSTREAMINFO vsi;
	VIDEOPROPERTYRANGE vpr;
	FILE * fp;
	char szFileName[20];

	hr = DSStream_IsConnected(iCardID, &bConnectOk);
	if(FAILED(hr) || !bConnectOk)
		return false;

	//保存视频格式：视频格式、宽、高
	DSStream_GetVideoInfo(iCardID, &vsi, PREVIEW);
	SaveData.subtype = vsi.subtype;
	SaveData.width = vsi.bmiHeader.biWidth;
	SaveData.height = vsi.bmiHeader.biHeight;

	//保存视频制式
	DSStream_GetVideoStandard(iCardID, &SaveData.standard, NULL);

	//保存视频源
	DSStream_WhatInPinRouteToOutPin(iCardID, 0, (long*)&SaveData.source);

	//保存亮度
	DSStream_GetVideoPropertyValue(iCardID, VideoProperty_Brightness, &vpr);
	SaveData.brightness = vpr.lValue;

	//保存对比度
	DSStream_GetVideoPropertyValue(iCardID, VideoProperty_Contrast, &vpr);
	SaveData.contrast = vpr.lValue;

	//保存色度
	DSStream_GetVideoPropertyValue(iCardID, VideoProperty_Hue, &vpr);
	SaveData.hue = vpr.lValue;

	//保存饱和度
	DSStream_GetVideoPropertyValue(iCardID, VideoProperty_Saturation, &vpr);
	SaveData.saturation = vpr.lValue;

	//保存参数到文件
	sprintf(szFileName, "c:\\SaveData.%02d", iCardID);
	fp = fopen(szFileName, "wb");
	if(!fp)
		return false;
	fwrite(&SaveData, sizeof(SAVEDATA), 1, fp);
	fclose(fp);

	return true;
}
//======== Add for ver5.2, end ===================

/////////////////////////////////////////////////////////////////////////////
// CMulticardApp

BEGIN_MESSAGE_MAP(CMulticardApp, CWinApp)
	//{{AFX_MSG_MAP(CMulticardApp)
	ON_COMMAND(ID_APP_ABOUT, OnAppAbout)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	ON_COMMAND(ID_FILE_NEW, OnFileNew)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMulticardApp construction

CMulticardApp::CMulticardApp()
{
	// TODO: add construction code here,
	// Place all significant initialization in InitInstance
}

/////////////////////////////////////////////////////////////////////////////
// The one and only CMulticardApp object

CMulticardApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CMulticardApp initialization

BOOL CMulticardApp::InitInstance()
{
	HRESULT hr;
	int iCardNumber;

	//初始化SDK
	DSStream_Initialize();
	hr = DSStream_GetCardNumber(&iCardNumber);
	if(FAILED(hr) || iCardNumber<=0)
	{
		AfxMessageBox("SDK初始化失败 或 无可用的卡", MB_OK|MB_ICONSTOP, 0);
		ExitInstance();
		return FALSE;
	}

	// Standard initialization
	// If you are not using these features and wish to reduce the size
	//  of your final executable, you should remove from the following
	//  the specific initialization routines you do not need.

#ifdef _AFXDLL
	Enable3dControls();			// Call this when using MFC in a shared DLL
#else
	Enable3dControlsStatic();	// Call this when linking to MFC statically
#endif

	// Change the registry key under which our settings are stored.
	// TODO: You should modify this string to be something appropriate
	// such as the name of your company or organization.
	SetRegistryKey(_T("Local AppWizard-Generated Applications"));

	// To create the main window, this code creates a new frame window
	// object and then sets it as the application's main window object.

	CMDIFrameWnd* pFrame = new CMainFrame;
	m_pMainWnd = pFrame;

	// create main MDI frame window
	if (!pFrame->LoadFrame(IDR_MAINFRAME))
		return FALSE;

	// try to load shared MDI menus and accelerator table
	//TODO: add additional member variables and load calls for
	//	additional menu types your application may need. 

	HINSTANCE hInst = AfxGetResourceHandle();
	m_hMDIMenu  = ::LoadMenu(hInst, MAKEINTRESOURCE(IDR_MULTICTYPE));
	m_hMDIAccel = ::LoadAccelerators(hInst, MAKEINTRESOURCE(IDR_MULTICTYPE));

	// The main window has been initialized, so show and update it.
	m_nCmdShow = SW_SHOWMAXIMIZED;
	pFrame->SetWindowText("10Moons SDK2000 & 4Video(Plus) 开发包 VC++ Sample [ver 5.2]");
	pFrame->ShowWindow(m_nCmdShow);
	pFrame->UpdateWindow();

	return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CMulticardApp message handlers

int CMulticardApp::ExitInstance() 
{
	//释放SDK资源
	DSStream_Uninitialize();

	//TODO: handle additional resources you may have added
	if (m_hMDIMenu != NULL)
		FreeResource(m_hMDIMenu);
	if (m_hMDIAccel != NULL)
		FreeResource(m_hMDIAccel);

	return CWinApp::ExitInstance();
}

void CMulticardApp::OnFileNew() 
{
	CChildFrame * pChildFrame;
	HRESULT hr;
	int id;
	BOOL bIsConnected = TRUE;

	int iCardNumber;
	char szDeviceName[MAX_DEVICE_NUM][MAX_DEVICE_NAME_LEN];
	const char sz10Moons[] = {"10Moons"};

	//寻找可用的卡，剔除非10Moons卡
	hr = DSStream_EnumVideoCaptureDev(szDeviceName, &iCardNumber);
	if(FAILED(hr))
	{
		AfxMessageBox("枚举失败", MB_OK, 0);
		return;
	}
	for(id=0; id<iCardNumber; id++)
	{
		szDeviceName[id][7] = '\0';
		hr = DSStream_IsConnected(id, &bIsConnected);
		if(FAILED(hr))
		{
			bIsConnected = TRUE;
			break;
		}
		if(_stricmp(szDeviceName[id], sz10Moons) != 0)
		{
			bIsConnected = TRUE;
			continue;
		}
		if(!bIsConnected)
			break;
	}

	//无可用的卡
	if(bIsConnected || id>=iCardNumber)
	{
		AfxMessageBox("无可用的卡", MB_OK, 0);
		return;
	}

	//连接卡：默认使用 Preview 模式
	const BOOL bOverlay = FALSE;
	hr = DSStream_ConnectDevice(id, bOverlay);
	if(FAILED(hr))
	{
		AfxMessageBox("连接视频卡失败!", MB_OK, 0);
		return;
	}

	// create a new MDI child window
	CMainFrame* pFrame = STATIC_DOWNCAST(CMainFrame, m_pMainWnd);
	pChildFrame = (CChildFrame *) pFrame->CreateNewChild(
		RUNTIME_CLASS(CChildFrame), IDR_MULTICTYPE, m_hMDIMenu, m_hMDIAccel);

	//将卡号传给 CChildFrame 类的成员变量 m_iCardID
	if(pChildFrame && IsWindow(pChildFrame->m_hWnd))
	{
		pChildFrame->m_iCardID = id;
		pChildFrame->m_bOverlay = bOverlay;

		DSStream_SetOwnerWnd(id, pChildFrame->m_hWnd);
		DSStream_SetMessageDrain(id, pChildFrame->m_hWnd);
		DSStream_SetNotifyWindow(id, pChildFrame->m_hWnd, UM_VIDEO_ERROR_NOTIFY);

//======== Add for ver5.2, begin =================
		//将卡的属性设置成上次退出时的状态
		ResetParame(id);
//======== Add for ver5.2, end ===================

		pChildFrame->SendMessage(WM_COMMAND, ID_NORMALSIZE);

		char szCaption[10];
		sprintf(szCaption, "%d号卡", id);
		pChildFrame->SetWindowText(szCaption);
	}
}



/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
		// No message handlers
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

// App command to run the dialog
void CMulticardApp::OnAppAbout()
{
	CAboutDlg aboutDlg;
	aboutDlg.DoModal();
}

/////////////////////////////////////////////////////////////////////////////
// CMulticardApp message handlers