capturedlg.cpp

《Visual C++视频技术方案宝典》配套光盘

// CaptureDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Capture.h"
#include "CaptureDlg.h"


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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
extern void CALLBACK VCAPrcCbMotionDetect (DWORD dwCard, BOOL bMove, BYTE *pbuff, DWORD dwSize, LPVOID lpContext);
extern void CALLBACK VCAPrcIoAlertCallBack (DWORD dwCard);

//#pragma comment (lib,"Sa7134Capture.lib")
//#pragma comment (lib,"MediaTransmit.lib")

void  CmdRespond(int nCallId,unsigned char biCmd,int nResult,BYTE *pRetData)
{
//	VCAUpdateOverlayWnd(m_Frame.m_hWnd);
	int a = 10;
}


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)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CCaptureDlg dialog

void CALLBACK CapCallBack(DWORD dwCard, BYTE *pbuff,DWORD dwSize)
{
	//VCAUpdateOverlayWnd(((CCaptureDlg*)AfxGetMainWnd())->m_Frame.m_hWnd);
//	VCAUpdateVideoPreview(dwCard,((CCaptureDlg*)AfxGetMainWnd())->m_Frame.m_pList[dwCard].m_hWnd);
}
void CALLBACK VCAPrcVidMpegCallBack(DWORD dwCard, BYTE *pbuff, DWORD dwSize, BOOL isKeyFrm)
{
	//向客户端传递视频数据
	MTAWriteVideo( (BYTE)dwCard, pbuff, dwSize, isKeyFrm );
}

CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCaptureDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCaptureDlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDI_ICON1);
}

void CCaptureDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCaptureDlg)
	DDX_Control(pDX, IDC_CAPTURE, m_Capture);
	DDX_Control(pDX, IDC_STOPPREVIEW, m_StopPreview);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog)
	//{{AFX_MSG_MAP(CCaptureDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_TIMER()
	ON_WM_SIZE()
	ON_BN_CLICKED(IDC_STOPPREVIEW, OnStoppreview)
	ON_BN_CLICKED(IDC_SNAPSHOT, OnSnapshot)
	ON_BN_CLICKED(IDC_CAPTURE, OnCapture)
	ON_WM_WINDOWPOSCHANGED()
	ON_BN_CLICKED(IDC_BMP, OnBmp)
	ON_BN_CLICKED(IDC_JPG, OnJpg)
	ON_BN_CLICKED(IDC_VGA, OnVga)
	ON_BN_CLICKED(IDC_PCI, OnPci)
	ON_BN_CLICKED(IDC_SETTING, OnSetting)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCaptureDlg message handlers



BOOL CCaptureDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	CButton* pBmpButton = (CButton*) GetDlgItem(IDC_BMP);
	pBmpButton->SetCheck(1);

	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	SetIcon(m_hIcon, TRUE);	
	SetIcon(m_hIcon, FALSE);
	
	CString strTemp;
	m_Frame.Create(IDD_PANEL_DIALOG,NULL);

	CRect rc;
	GetWindowRect(rc);
	m_Frame.SetWindowPos(&wndTop,0,0,rc.Width()-120,rc.Height()-10,SWP_SHOWWINDOW);

	m_Frame.ShowWindow(SW_SHOW);

	//初始化网络开发包
	MTALoadLibrary(1001,WORK_AS_SERVER);

	CButton* pVGAButton = (CButton*) GetDlgItem(IDC_VGA);
	CButton* pPCIButton = (CButton*) GetDlgItem(IDC_PCI);
	CString str= "temp";
	GetPrivateProfileString("显卡设置","类型","VGA" ,str.GetBuffer(0), 10, "./syssetting.ini");
	
	BOOL ret;
	if (str=="VGA")
	{
		pVGAButton->SetCheck(1);
		pPCIButton->SetCheck(0);
		//初始化SDK
		ret = VCAInitSdk(m_Frame.m_hWnd,PCI_VIEDOMEMORY);
	}
	else
	{
		ret = VCAInitSdk(m_Frame.m_hWnd,PCI_MEMORY_VIDEOMEMORY);
		pVGAButton->SetCheck(0);
		pPCIButton->SetCheck(1);
	}	

	if (ret)
	{
		//获得几路视频
		m_DevNum =  VCAGetDevNum();

		m_Frame.CreatePreWnd((int)sqrt(m_DevNum));
		for (int i = 0; i<m_DevNum; i++)
		{
			VCARegVidCapCallBack(i,CapCallBack);
			VCARegVidMpegCallBack(i,VCAPrcVidMpegCallBack);
			
			VCAOpenDevice(i,m_Frame.m_pList[i].m_hWnd);
			BOOL ret = VCAStartVideoPreview(i);	

			m_Frame.UpdateAllPreView();
			//	VCAUpdateOverlayWnd(m_Frame.GetSafeHwnd());
			//	VCAUpdateVideoPreview(i,m_Frame.m_pList[i].m_hWnd);
		}

		m_bStopPreview = FALSE;
		m_bStartCap    = FALSE;	
	}
	SetTimer(1,1000,NULL);
	return TRUE; 
}

void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CCaptureDlg::OnPaint() 
{


	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}


}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CCaptureDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CCaptureDlg::OnCancel()
{
	for (int i = 0; i< m_DevNum; i++)
		VCACloseDevice(i);
	VCAUnInitSdk();
	CDialog::OnCancel();
}

void CCaptureDlg::OnTimer(UINT nIDEvent) 
{
	//判断某一路是否有信号
	eFieldFrequency frequency;
	for (int i = 0; i< m_DevNum; i++)
	{
		VCAGetVidFieldFrq(i,frequency);
		if (frequency==FIELD_FREQ_0HZ)  //无信号
		{
			if (m_Frame.m_pList[i].m_ShowImage == TRUE)
			{
				m_Frame.m_pList[i].m_ShowImage = FALSE;
				m_Frame.m_pList[i].Invalidate();
			}
		}
		else
		{
			if (m_Frame.m_pList[i].m_ShowImage==FALSE)
			{
				m_Frame.m_pList[i].m_ShowImage = TRUE;
				m_Frame.m_pList[i].Invalidate();
				if (m_Frame.m_pList[i].m_Stop==psPreview)
				{
					VCAUpdateOverlayWnd(m_Frame.m_hWnd);
					VCAUpdateVideoPreview(i,m_Frame.m_pList[i].m_hWnd);	
				}
			}
		}
	}
	CDialog::OnTimer(nIDEvent);
}

void CCaptureDlg::OnSize(UINT nType, int cx, int cy) 
{
	CDialog::OnSize(nType, cx, cy);	
	CRect rc,frc;
	GetClientRect(rc);
	m_Frame.GetClientRect(frc);
	m_Frame.SetWindowPos(NULL,0,0,frc.Width(),rc.Height(),0);
	m_Frame.ShowWindow(SW_SHOW);
}

void CCaptureDlg::OnOK() 
{

}

void CCaptureDlg::OnStoppreview() 
{
	int Index = m_Frame.IsDbled();
	if (!m_bStopPreview)
	{
		m_bStopPreview = !m_bStopPreview;
		for (int i =0 ; i< m_DevNum; i++)
		{
			if (m_Frame.m_pList[i].m_ShowImage)
			{
				m_Frame.m_pList[i].m_Stop = psStop;
				VCAStopVideoPreview(i);
				VCAUpdateOverlayWnd(m_Frame.m_hWnd);
				m_Frame.m_pList[i].Invalidate();
			}
		}
		m_StopPreview.SetWindowText("开始预览");
	}
	else
	{
		m_bStopPreview = !m_bStopPreview;
		m_StopPreview.SetWindowText("停止预览");
		
		for (int i =0 ; i< m_DevNum; i++)
		{
			if (m_Frame.m_pList[i].m_ShowImage)
			{
			

				if (Index == -1)
				{
					VCAStartVideoPreview(i);
					VCAUpdateVideoPreview(i,m_Frame.m_pList[i].m_hWnd);
					m_Frame.m_pList[i].m_Stop = psPreview;
				}
				else
				{
					m_Frame.m_pList[i].m_Stop = psPreview;
					VCAStartVideoPreview(Index);
					VCAUpdateVideoPreview(Index,m_Frame.m_pList[Index].m_hWnd);					
				}
				m_Frame.m_pList[i].Invalidate();
			}
		}
	}
}

void CCaptureDlg::OnSnapshot() 
{
	if (CPreView::m_CurIndex != -1)
		if (m_Frame.m_pList[CPreView::m_CurIndex].m_ShowImage)
		{
			CButton* pBmpButton = (CButton*) GetDlgItem(IDC_BMP);
			if (pBmpButton->GetCheck() != 0)
			{
				CFileDialog fDlg(FALSE,"bmp","one",OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,"位图|*.bmp",this);
				if (fDlg.DoModal()==IDOK)
				{
					CString fName = fDlg.GetPathName();
					VCASaveAsBmpFile(CPreView::m_CurIndex,fName);		
				}
			}
			else
			{
				CFileDialog fDlg(FALSE,"jpg","one",OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,"JPG文件|*.JPG",this);
				if (fDlg.DoModal()==IDOK)
				{
					CString fName = fDlg.GetPathName();
					VCASaveAsJpegFile(CPreView::m_CurIndex,fName);		
				}		
			}
		}
		else
		{
			MessageBox("当前选择的图像不能预览!","提示");
		}
}

void CCaptureDlg::OnCapture() 
{
	if (!m_bStartCap)  //开始捕捉
	{
		m_bStartCap = !m_bStartCap;	
		m_Capture.SetWindowText("停止");
		for (int i= 0 ; i< m_DevNum; i++)
		{
			if (m_Frame.m_pList[i].m_ShowImage)
			{
				char data[10];
				memset(data,0,10);
				itoa(i,data,10);
				char buffer[50]= "C:\\WW";
				strcat(buffer,data);
				strcat(buffer,".avi");
				VCASetVidCapSize(i,240,320);
				VCASetVidCapFrameRate(i,25);
				VCASetBitRate(i,256);
				BOOL ret = VCAStartVideoCapture(i,CAP_ORIGIN_MPEG4_STREAM,MPEG4_AVIFILE_CALLBACK ,buffer);
			}
		}
	}
	else
	{
		m_bStartCap = !m_bStartCap;
		m_Capture.SetWindowText("网传");
		for (int i= 0; i< m_DevNum; i++)
		{
			if (m_Frame.m_pList[i].m_ShowImage)
			{	
				VCAStopVideoCapture(i);			
			}
		}
	}
}


void CCaptureDlg::OnWindowPosChanged(WINDOWPOS FAR* lpwndpos) 
{
	CDialog::OnWindowPosChanged(lpwndpos);
	for (UINT i = 0 ; i< m_DevNum; i++)
	{
		if (m_Frame.m_pList[i].m_ShowImage)
		{	
			if (m_Frame.m_pList[i].m_Stop==psStop)
			{
				VCAStopVideoPreview(i);
				VCAUpdateOverlayWnd(m_Frame.GetSafeHwnd());
			}
			else if (m_Frame.m_pList[i].m_Stop==psPreview)
			{		
				m_Frame.m_pList[i].Invalidate();
				VCAUpdateOverlayWnd(m_Frame.m_hWnd);
				VCAUpdateVideoPreview(i,m_Frame.m_pList[i].m_hWnd);
			}
		}
	}
}

void CCaptureDlg::OnBmp() 
{
	CButton* pBmpButton = (CButton*) GetDlgItem(IDC_BMP);
	pBmpButton->SetCheck(1);	
	CButton* pJpgButton = (CButton*) GetDlgItem(IDC_JPG);
	pJpgButton->SetCheck(0);	
}

void CCaptureDlg::OnJpg() 
{
	CButton* pJpgButton = (CButton*) GetDlgItem(IDC_JPG);
	pJpgButton->SetCheck(1);
	CButton* pBmpButton = (CButton*) GetDlgItem(IDC_BMP);
	pBmpButton->SetCheck(0);	
}


void CCaptureDlg::OnVga() 
{
	CButton* pVGAButton = (CButton*) GetDlgItem(IDC_VGA);
	pVGAButton->SetCheck(1);	
	CButton* pPCIButton = (CButton*) GetDlgItem(IDC_PCI);
	pPCIButton->SetCheck(0);	
}

void CCaptureDlg::OnPci() 
{
	CButton* pVGAButton = (CButton*) GetDlgItem(IDC_VGA);
	pVGAButton->SetCheck(0);	
	CButton* pPCIButton = (CButton*) GetDlgItem(IDC_PCI);
	pPCIButton->SetCheck(1);	
}

void CCaptureDlg::OnSettype() 
{
	
}

void CCaptureDlg::OnSetting() 
{
	CButton* pVGAButton = (CButton*) GetDlgItem(IDC_VGA);
	int sel = pVGAButton->GetCheck();	
	if (sel)
	{
		WritePrivateProfileString("显卡设置","类型","VGA","./syssetting.ini");
	}
	else
	{
		WritePrivateProfileString("显卡设置","类型","PCI","./syssetting.ini");
	}	
	MessageBox("要使显卡设置生效,需要重新启动应用程序!","提示");
}