visepdlg.cpp

一个简单的视频会议VC++MFC工程文件

// VISEPDlg.cpp : implementation file
//

#include "stdafx.h"
#include "VISEP.h"
#include "VISEPDlg.h"
#include "CallDlg.h"
#include "Shlwapi.h"
#include "OptionAudio.h"
#include "OptionVideo.h"
#include "OptionNetwork.h"
#include "OptionGatekeeper.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// 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)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CVISEPDlg dialog

CVISEPDlg::CVISEPDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CVISEPDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CVISEPDlg)
	m_msg = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	m_pep=new CMyEndPoint(*this);
	m_connID=0;
	m_brush.CreateSolidBrush(0x00ffffff);
	m_localVideo.m_menuID=ID_LOCAL_VIDEO;
	m_remoteVideo.m_menuID=ID_REMOTE_VIDEO;
}

CVISEPDlg::~CVISEPDlg()
{
	delete m_pep;
}

void CVISEPDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CVISEPDlg)
	DDX_Control(pDX, IDC_TALK_TO, m_ctlTalkTo);
	DDX_Control(pDX, IDC_MEMBER_LIST, m_memberList);
	DDX_Text(pDX, IDC_MSG, m_msg);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CVISEPDlg, CDialog)
	//{{AFX_MSG_MAP(CVISEPDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_COMMAND(ID_ABOUTBOX, OnAboutbox)
	ON_WM_CLOSE()
	ON_BN_CLICKED(IDC_CALL, OnCall)
	ON_BN_CLICKED(IDC_ANSWER, OnAnswer)
	ON_BN_CLICKED(IDC_REFRESH, OnRefresh)
	ON_WM_CTLCOLOR()
	ON_BN_CLICKED(IDC_SEND, OnSend)
	ON_COMMAND(ID_LOCAL_VIDEO, OnLocalVideo)
	ON_COMMAND(ID_REMOTE_VIDEO, OnRemoteVideo)
	ON_NOTIFY(LVN_ITEMCHANGED, IDC_MEMBER_LIST, OnItemchangedMemberList)
	ON_COMMAND(ID_AUDIO, OnAudio)
	ON_COMMAND(ID_VIDEO, OnVideo)
	ON_COMMAND(ID_NETWORK, OnNetwork)
	ON_COMMAND(ID_GATEKEEPER, OnGatekeeper)
	ON_COMMAND(ID_LOGIN, OnLogin)
	ON_COMMAND(ID_LOGOUT, OnLogout)
	ON_WM_TIMER()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CVISEPDlg message handlers

BOOL CVISEPDlg::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
	
	// TODO: Add extra initialization here
	

	m_memberList.InsertColumn(0,"会议成员",LVCFMT_LEFT,150);
	m_memberList.SetExtendedStyle(LVS_EX_FULLROWSELECT );

	int w[]={150,250,350,-1};
    m_statusBar.Create(WS_CHILD|WS_VISIBLE|CCS_BOTTOM,CRect(0,0,0,0), this, AFX_IDW_STATUS_BAR );	
	m_statusBar.SetParts(sizeof(w)/sizeof(int),w);
	m_statusBar.SetText("不在会议中",0,0);
	m_statusBar.SetText("话筒",1,SBT_NOBORDERS   );	
	m_statusBar.SetText("耳机",2,SBT_NOBORDERS   );
	m_statusBar.SetText("未登录到网守",3,0);
	CRect rc;
	m_statusBar.GetRect(1,&rc);
	rc.left=rc.left+30;
	//在Status bar中创建两个progress bar用来显示录音和播放的声音大小
	m_micVolume.Create(WS_CHILD|WS_VISIBLE|PBS_SMOOTH,rc,&m_statusBar,1);

	m_statusBar.GetRect(2,&rc);
	rc.left=rc.left+30;
	m_spkVolume.Create(WS_CHILD|WS_VISIBLE|PBS_SMOOTH,rc,&m_statusBar,2);
	
	//初始化h323终端
	if(InitEndPoint()==FALSE)
		AfxMessageBox("终端初始化失败!");

	
	UpdateButtons(TRUE);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CVISEPDlg::OnAboutbox() 
{
	CAboutDlg dlg;
	dlg.DoModal();
}

BOOL CVISEPDlg::InitEndPoint()
{
	BOOL ret=FALSE;
	CWinApp *app=AfxGetApp();
	//终端初始化
	if(!m_pep->Initialize(COMPANY,PRODUCT,MAJOR_VERSION,MINOR_VERSION,CODE_STATUS,BUILD_NUM))
		goto RET;
	//向这个函数传入您的授权码，如果授权码合法，就没有通话时间限制了
	m_pep->Authorise("Your authorization code");
	
	//开始在指定的端口监听
	if(!m_pep->StartListen(NULL,app->GetProfileInt("",KEY_LISTEN_PORT,H323_LISTEN_PORT)))
		goto RET;
	
	//设置首选音频codec
	m_pep->SetPreferredAudioCodec(app->GetProfileInt("",KEY_PREFERRED_AUDIO_CODEC,0));
	//设置音频抖动缓冲
	m_pep->SetMaxAudioDelayJitter(0,app->GetProfileInt("",KEY_AUDIO_JITTER,60));
	//设置静音抑制模式(建议不使用静音抑制)
	m_pep->SetSilenceDetectionMode(0,(enum SilenceDetectionMode)app->GetProfileInt("",KEY_SILENCE_DETECTION_MODE,0),
		app->GetProfileInt("",KEY_SILENCE_DETECTION_THRESHOLD,0));

	//设置自动发送视频
	m_pep->AutoSendVideo(app->GetProfileInt("",KEY_AUTO_SEND_VIDEO,1)>0);
	//设置视频发送格式
	m_pep->SetVideoSize(0,app->GetProfileInt("",KEY_VIDEO_FORMAT,0)==0?VS_QCIF:VS_CIF);
	//设置视频压缩品质
	m_pep->SetVideoQuality(0,app->GetProfileInt("",KEY_VIDEO_QUALITY,100));
	//设置视频捕获方式
	m_pep->m_grabber.SetGrabberMode(app->GetProfileInt("",KEY_USE_DIRECTSHOW,1)>0?VG_DS:VG_VFW);

	//设置初始带宽值
	m_pep->SetInitialBandwidth(app->GetProfileInt("",KEY_BANDWIDTH,10000)*1000);
	//建议禁用fast-start
	m_pep->EnableFastStart(app->GetProfileInt("",KEY_FASTSTART,0)>0);
	m_pep->EnableH245inSetup(app->GetProfileInt("",KEY_H245INSETUP,1)>0);
	m_pep->EnableH245Tunnel(app->GetProfileInt("",KEY_H245TUNNEL,1)>0);

	//设置用户名及用户别名
	m_pep->SetUserName(app->GetProfileString("",KEY_USER_NAME),
		app->GetProfileString("",KEY_USER_ALIAS));
	
	ret=TRUE;
RET:
	return ret;
}

void CVISEPDlg::OnAnswerCall(DWORD connID)
{
	//保存连接id
	m_connID=connID;

	SetForegroundWindow();
	UpdateButtons();
	char name[256]="";
	char app[256]="";
	m_pep->GetRemotePartyName(connID,name,256);
	m_pep->GetRemoteApplication(connID,app,256);
	Output("%s 对你发起呼叫,远程终端 %s",name,app);
}

void CVISEPDlg::OnCallEnded(DWORD duration, enum CallEndReason reason)
{
	Output("结束会议,会议持续时间%d秒,结束原因:%d",duration,reason);
	KillTimer(1);
	KillTimer(2);
	m_connID=0;
	UpdateButtons(TRUE);
	//清空会议成员表
	m_memberList.DeleteAllItems();
	GetDlgItem(IDC_ROOM_NAME)->SetWindowText("");
	m_ctlTalkTo.ResetContent();
	
}

void CVISEPDlg::OnTalking()
{//开始通话
	char app[256]="";
	char name[256]="";

	m_pep->GetRemoteApplication(m_connID,app,256);
	m_pep->GetRemotePartyName(m_connID,name,256);
	Output("开始会议.远程终端 %s, %s",app,name);

	UpdateButtons();
	//获取会议成员列表
	OnRefresh();
	//
	SetTimer(1,100,NULL);
	SetTimer(2,1000,NULL);
}

void CVISEPDlg::OnWaitForAnswer()
{
	Output("成功连接到远程终端,等待应答...");
	UpdateButtons();
}



void CVISEPDlg::OnClose() 
{
	//Hangup是异步的，不会马上中断连接
	m_pep->HangUp();
	//等待连接真正断开
	MSG msg;
	while(m_pep->GetConnectionCount()>0)
	{
		PeekMessage(&msg,NULL,0,0,PM_REMOVE);
		Sleep(0);
	}
	//从网守注销
	m_pep->UnuseGatekeeper();

	
	PostQuitMessage(0);
	//CDialog::OnClose();
}

void CVISEPDlg::OnCall() 
{
	if(m_pep->GetConnectionCount()==0)
	{	//终端空闲

		CCallDlg dlg;
		if(dlg.DoModal()==IDOK)
		{	
			if(dlg.m_isVISMCU&&!dlg.m_room.IsEmpty())
				dlg.m_callNum=dlg.m_room+"@"+dlg.m_callNum;
			
			if(m_pep->MakeCall(m_connID,dlg.m_callNum))
				Output("呼叫 %s ...",dlg.m_callNum);//呼叫成功
			else
				Output("呼叫 %s 失败",dlg.m_callNum);//呼叫失败
		}
	}
	else//非空闲的时候
		m_pep->HangUp(0);
	UpdateButtons();
}

void CVISEPDlg::UpdateButtons(BOOL initState)
{
	//更新按钮及菜单
	CMenu *menu=GetMenu();
	if(initState)
	{
		m_statusBar.SetText("不在会议中",0,0);
		GetDlgItem(IDC_CALL)->SetWindowText("呼叫...");
		GetDlgItem(IDC_ANSWER)->EnableWindow(FALSE);
		GetDlgItem(IDC_REFRESH)->EnableWindow(FALSE);
		GetDlgItem(IDC_SEND)->EnableWindow(FALSE);
		
		menu->ModifyMenu(IDC_CALL,MF_BYCOMMAND|MF_STRING,IDC_CALL,"呼叫(&C)...");
		menu->EnableMenuItem(IDC_ANSWER,MF_BYCOMMAND|MF_GRAYED);
		menu->EnableMenuItem(ID_SEND_VIDEO,MF_BYCOMMAND|MF_GRAYED);
	}
	else
	{
		
		if(m_pep->GetConnectionCount()>0)
		{
			GetDlgItem(IDC_CALL)->SetWindowText("挂断");
			menu->ModifyMenu(IDC_CALL,MF_BYCOMMAND|MF_STRING,IDC_CALL,"挂断(&H)");
		}
		else
		{
			GetDlgItem(IDC_CALL)->SetWindowText("呼叫...");
			menu->ModifyMenu(IDC_CALL,MF_BYCOMMAND|MF_STRING,IDC_CALL,"呼叫(&C)...");
		}
		menu->EnableMenuItem(ID_SEND_VIDEO,MF_BYCOMMAND|(m_pep->GetConnectionStatus(m_connID)==ConnEstablished?MF_ENABLED:MF_GRAYED));
		menu->EnableMenuItem(IDC_ANSWER,MF_BYCOMMAND|(m_pep->GetConnectionStatus(m_connID)==IncomingCallWait?MF_ENABLED:MF_GRAYED));
		GetDlgItem(IDC_ANSWER)->EnableWindow(m_pep->GetConnectionStatus(m_connID)==IncomingCallWait);
		GetDlgItem(IDC_REFRESH)->EnableWindow(m_pep->GetConnectionStatus(m_connID)==ConnEstablished);
		GetDlgItem(IDC_SEND)->EnableWindow(m_pep->GetConnectionStatus(m_connID)==ConnEstablished);
		switch(m_pep->GetConnectionStatus(m_connID))
		{