clientdlg.cpp

《Visual C++视频技术方案宝典》配套光盘

// ClientDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Client.h"
#include "ClientDlg.h"
#include "ServerInfo.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
#pragma comment (lib,"Sa7134Capture.lib")
#pragma comment (lib,"MediaTransmit.lib") 


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()

/////////////////////////////////////////////////////////////////////////////
// CClientDlg dialog

CClientDlg::CClientDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CClientDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CClientDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDI_ICON1);
	m_Captured = FALSE;
	m_BackPlay = FALSE;
}

void CClientDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CClientDlg)
	DDX_Control(pDX, IDC_BACKPLAY, m_Play);
	DDX_Control(pDX, IDC_CAPTURE, m_Capture);
	DDX_Control(pDX, IDC_PANEL, m_Panel);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CClientDlg, CDialog)
	//{{AFX_MSG_MAP(CClientDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_TIMER()
	ON_WM_MOVE()
	ON_WM_SIZE()
	ON_BN_CLICKED(IDC_LINKSERVER, OnLinkServer)
	ON_BN_CLICKED(IDC_CAPTURE, OnCapture)
	ON_BN_CLICKED(IDC_BACKPLAY, OnBackplay)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CClientDlg message handlers

void CmdRespond(int nCallId,unsigned char biCmd,int nResult,BYTE *pRetData)
{
	if (nResult==6)
		AfxMessageBox("网络资源创建错误!",0,0);
	else if (nResult==0)
	{
		AfxMessageBox("连接服务器成功",0,0);
	}
}

void RequestData(int nCallId,unsigned char biCmd,int nResult,BYTE *pRetData)
{
	
}

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

	// Add "About..." menu item to system menu.
	// IDM_ABOUTBOX must be in the system command range.
	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);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	//	MTASetMpeg4Version();

	CRect rc;
	m_Panel.GetClientRect(rc);
	MTACreateVideoDevice(m_Panel.GetSafeHwnd(),m_hWnd,rc,320,240,2,FALSE);
	MTASetSplitMode(1);

	SetTimer(1,1000,NULL);
	// TODO: Add extra initialization here
	return TRUE;
}

void CClientDlg::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 CClientDlg::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 CClientDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CClientDlg::OnCancel()
{
	MTAClearCall(m_CardID,FALSE);
	CDialog::OnCancel();
}

void CClientDlg::OnOK() 
{

}


void CClientDlg::OnTimer(UINT nIDEvent) 
{
	TRAFFIC_PARAM TrafficBuf;
	MTAGetNetTraffic(0,TrafficBuf);
	
	if (TrafficBuf.Framerate==0)
	{
		m_Panel.Invalidate();
	}

	//CString str;
	//str.Format("%i",TrafficBuf.Framerate);
	//SetWindowText(str);

	CDialog::OnTimer(nIDEvent);
}

void CClientDlg::OnMove(int x, int y) 
{
	CDialog::OnMove(x, y);
	MTASendMessage(WM_MOVE,x,y);	
}

void CClientDlg::OnSize(UINT nType, int cx, int cy) 
{
	CDialog::OnSize(nType, cx, cy);	
}



BOOL CClientDlg::PreCreateWindow(CREATESTRUCT& cs) 
{	
	return CDialog::PreCreateWindow(cs);
}



void CClientDlg::OnLinkServer() 
{
	CServerInfo ServerDlg;
	if (ServerDlg.DoModal()==IDOK)
	{
		m_ServerIP = ServerDlg.m_ServerIP;
		m_Port     = ServerDlg.m_Port;
		m_Chanel   = ServerDlg.m_Chanel-1;

		MTASetMpeg4Version(MPEG4_V1);
		if (!MTALoadLibrary(1008,WORK_AS_CLIENT))
		{
			MessageBox("加载网络库失败!");
			MTAFreeLibrary();
			return;
		}
		MTAClearCall(m_CardID,FALSE);
		CRect rc;
		m_Panel.GetClientRect(rc);

		MTACreateVideoDevice(m_Panel.GetSafeHwnd(),m_hWnd,rc,240,320,2,FALSE);
		MTASetSplitMode(1);

		m_CurIndex = 0;
		m_CardID = MTANewCall(m_ServerIP.GetBuffer(0),m_Port,m_Chanel);
		if (m_CardID==-1)
		{
			MessageBox("连接服务器失败!");
		}
		MTASetVideoOut(m_CardID,0);
		unsigned char data[] = "Admin";
		MTAMakeCall(m_CardID,REQ_VI_STREAM,FALSE,data,10,NULL,CmdRespond);
	}
}

void CClientDlg::OnCapture() 
{
	if (!m_Captured)
	{
		CFileDialog fDlg(FALSE,"avi","one",OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,"AVI|*.avi",this);
		if (fDlg.DoModal()==IDOK)
		{
	
			m_Captured = TRUE;
			CString file = fDlg.GetPathName();
			MTAStartCapture(m_CardID,file.GetBuffer(0),SAVE_VIDEO_DATA,NULL);
			m_Capture.SetWindowText("停止录像");
		}
	}
	else
	{
		m_Captured = FALSE;
		m_Capture.SetWindowText("录像");
		MTAStopCapture(m_CardID);
	}
}

//视频回放
void CClientDlg::OnBackplay() 
{
	if (!m_BackPlay)
	{
		CFileDialog fDlg(TRUE,"","",OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,"AVI|*.avi",this);
		if (fDlg.DoModal()==IDOK)
		{
			m_BackPlay = TRUE;	
			m_Play.SetWindowText("停止回放");
			CString file = fDlg.GetPathName();
			//分配系统资源
			m_BackID = MTANewPlayBack(file);
			//MTASetVideoOut(m_BackID ,0);
			
			//打开回放文件
			BOOL ret = MTAOpenFile(m_BackID,file);
			
			Sleep(1000);
			MTASetPlayPosition(m_BackID,1);
			
			//开始播放
			MTAStartPlay(m_BackID,PLAY_VIDEO_DATA|PLAY_AUDIO_DATA);
			MTASetVideoOut(m_BackID ,0);
			
		}
	}
	else
	{
		m_BackPlay = FALSE;
		m_Play.SetWindowText("视频回放");
		//关闭打开的文件
		MTACloseFile(m_BackID);
		//释放回放资源
		MTAFreePlayBack(m_BackID);
	}
}