countautodlg.cpp

视频截图

// CountAutoDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CountAuto.h"
#include "CountAutoDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#define SLIDER_TIMER 100
/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CCountAutoDlg dialog

CCountAutoDlg::CCountAutoDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCountAutoDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCountAutoDlg)
	m_bkGround = 0;
	m_timespand=0;
	m_timespance = 0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	m_FilterGraph=NULL;
	m_SourseFile="";
	m_SliderTimer=0;
	m_duration=0;
	m_IsTop=0;
	
}

void CCountAutoDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCountAutoDlg)
	DDX_Control(pDX, IDC_STATE, m_state);
	DDX_Control(pDX, IDC_SLIDER1, m_mySlider);
	DDX_Control(pDX, IDC_PLAY_WINDOW, m_VideoWindow);
	DDX_Radio(pDX, IDC_RADIO_BKGROUND, m_bkGround);
	DDX_Text(pDX, IDC_EDIT2, m_timespance);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCountAutoDlg, CDialog)
	//{{AFX_MSG_MAP(CCountAutoDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BTN_PLAY, OnBtnPlay)
	ON_BN_CLICKED(IDC_BTN_PAUSE, OnBtnPause)
	ON_BN_CLICKED(IDC_BTN_STOP, OnBtnStop)
	ON_BN_CLICKED(IDC_BTN_GRAB, OnBtnGrab)
	ON_BN_CLICKED(IDC_BTN_FULLSCREEN, OnBtnFullscreen)
	ON_BN_CLICKED(IDC_BTN_OPEN, OnBtnOpen)
	ON_WM_TIMER()
	ON_WM_HSCROLL()
	ON_WM_CANCELMODE()
	ON_EN_CHANGE(IDC_EDIT2, OnChangeEdit2)
	ON_WM_ERASEBKGND()
	ON_COMMAND(IDM_TOP, OnTop)
	ON_UPDATE_COMMAND_UI(IDM_TOP, OnUpdateTop)
	//}}AFX_MSG_MAP
	ON_MESSAGE(WM_GRAPHNOTIFY,OnGraphNotify)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCountAutoDlg message handlers

BOOL CCountAutoDlg::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_FilterGraph=NULL;
	VERIFY(m_play.AutoLoad(IDC_BTN_PLAY,this));
	VERIFY(m_pause.AutoLoad(IDC_BTN_PAUSE,this));
	VERIFY(m_stop.AutoLoad(IDC_BTN_STOP,this));
	m_VideoWindow.ModifyStyle(0,WS_CLIPCHILDREN);
	m_mySlider.SetRange(0,1000);
	m_mySlider.SetPos(0);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CCountAutoDlg::OnBtnPlay() 
{
	// TODO: Add your control notification handler code here
	if(m_FilterGraph)
	{
		m_FilterGraph->Run();
	//	m_FilterGraph->RunGrabberGraph();
		if(m_SliderTimer==0)
		 m_SliderTimer=SetTimer(SLIDER_TIMER,100,NULL);
		if(m_GrabTimer==0)m_GrabTimer=SetTimer(1,m_timespance,NULL);

	}
}

void CCountAutoDlg::OnBtnPause() 
{
	// TODO: Add your control notification handler code here
	if(m_FilterGraph)
	{
		m_FilterGraph->Pause();
		m_SliderTimer=SetTimer(SLIDER_TIMER,100,NULL);
	}
}

void CCountAutoDlg::OnBtnStop() 
{
	// TODO: Add your control notification handler code here
	if(m_FilterGraph)
	{
		m_FilterGraph->SetCurrentPosition(0);
		m_FilterGraph->Stop();
		if(m_SliderTimer)
		{
			KillTimer(m_SliderTimer);
			m_SliderTimer=0;
		    m_mySlider.SetPos(0);
		}
	}
}

void CCountAutoDlg::OnBtnGrab() 
{
	// TODO: Add your control notification handler code here
	if(m_FilterGraph)
	{
		char szTemp[]="C:\\mySnapshot.bmp";
		unsigned char * buffer;
		CDC *dc=(GetDlgItem(IDC_STATIC_DIVISIOIN))->GetDC();
		HDC hdc=dc->GetSafeHdc();
		if(m_FilterGraph->Snapshot(hdc,szTemp,buffer))
			return ;
	}
}

void CCountAutoDlg::OnBtnFullscreen() 
{
	// TODO: Add your control notification handler code here
	if(m_FilterGraph)
	{
		m_FilterGraph->SetFullScreen(TRUE);
	}
}



void CCountAutoDlg::CreateGraph()
{
	DestroyGraph();
	m_FilterGraph=new CDXGraph();
	if(m_FilterGraph->Create())
	{
	/*	m_FilterGraph->CreateSampleGrabber();
		m_FilterGraph->SpecifyMediaType();
		m_FilterGraph->CompleteBuildGraph(m_SourseFile);*/
		

    	m_FilterGraph->RenderFile(m_SourseFile);
		m_FilterGraph->SetDisplayWindow(m_VideoWindow.GetSafeHwnd());
		m_FilterGraph->SetNotifyWindow(this->GetSafeHwnd());
		m_FilterGraph->Pause();
		m_FilterGraph->GetDuration(&m_duration);
		CWnd * hwnd=GetDlgItem(IDC_EDIT2);
	    hwnd->UpdateData(TRUE);
		if(!m_timespance)m_timespance=m_duration*2;
		

		//设置持续时间
		m_helpH=(int)(m_duration/3600.0);
		m_helpM=(((int)(m_duration))%3600)/60;
		m_helpS=(int(m_duration-(m_helpH*3600+m_helpM*60)));
		m_DHMS.Format("/%#02d:%#02d:%#02d",m_helpH,m_helpM,m_helpS);
		CString text;
		text="准备播放...             00:00:00"+m_DHMS;
		m_state.SetWindowText(text);
	}

}

void CCountAutoDlg::DestroyGraph()
{
	if(m_FilterGraph)
	{
		m_FilterGraph->Stop();
		m_FilterGraph->SetNotifyWindow(NULL);
		delete m_FilterGraph;
		m_FilterGraph=NULL;
	}

}

void CCountAutoDlg::OnBtnOpen() 
{
	// TODO: Add your control notification handler code here

	CString strFile;
	strFile=".Avi Files(*.avi)|*.avi|";
	strFile+="MPEG File(*.mpg;*.mpeg)|*.mpg;*.mpeg|";
	strFile+="Mp3 File (*.mp3)|*.mp3|";
	strFile+="Wave Files (*.wav)|*wav|";
	strFile+="All Files (*.*)|*.*|";
	CFileDialog filedlg(TRUE,NULL,NULL,OFN_PATHMUSTEXIST|OFN_HIDEREADONLY,
		strFile,this);
	if(IDOK==filedlg.DoModal())
	{
          m_SourseFile=filedlg.GetPathName();
		  CreateGraph();
	}

}

void CCountAutoDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
    if(nIDEvent==m_SliderTimer&&m_FilterGraph)
	{
		double pos=0;
		m_FilterGraph->GetCurrentPosition(&pos);
		UINT newPos=int(pos*1000.0/m_duration);
		if(m_mySlider.GetPos()!=newPos)
		m_mySlider.SetPos(newPos);
		//设置播放状态
		m_helpH=(int)(pos/3600.0);
		m_helpM=(((int)(pos))%3600)/60;
		m_helpS=(int(pos-(m_helpH*3600+m_helpM*60)));
		CString text;
		text.Format("%#02d:%#02d:%#02d",m_helpH,m_helpM,m_helpS);		
		text="正在播放                "+text+m_DHMS;
		m_state.SetWindowText(text);

	}
	else if(nIDEvent==m_GrabTimer&&m_FilterGraph)
	{
		if(m_FilterGraph)
		{
			char szTemp[]="C:\\mySnapshot.bmp";
			unsigned char * buffer;
			CDC *dc=(GetDlgItem(IDC_STATIC_DIVISIOIN))->GetDC();
			HDC hdc=dc->GetSafeHdc();
			if(m_FilterGraph->Snapshot(hdc,szTemp,buffer))
				return ;
		}

	}
	CDialog::OnTimer(nIDEvent);
}
LRESULT CCountAutoDlg::OnGraphNotify(WPARAM inWParam,LPARAM inLParam)
{
	IMediaEventEx *pEvent=NULL;
	if(m_FilterGraph&&(pEvent=m_FilterGraph->GetEventHandle()))
	{
		LONG eventCode=0,eventParam1=0,eventParam2=0;
		if(SUCCEEDED(pEvent->GetEvent(&eventCode,&eventParam1,&eventParam2,0)))
		{
			pEvent->FreeEventParams(eventCode,eventParam1,eventParam2);
			switch(eventCode)
			{ 
			case  EC_COMPLETE:
				OnBtnPause();
				m_FilterGraph->SetCurrentPosition(0);
				break;
			case EC_USERABORT:
			case EC_ERRORABORT:
				OnBtnStop();
			default :break;
			}
		}
	}
	return 0;
}

BOOL CCountAutoDlg::RegisterFilter(const char *InFilterAx)
{
	typedef (WINAPI* REGISTER_FUN) (void);
    REGISTER_FUN MyFun=NULL;
	HMODULE hModule=::LoadLibrary(InFilterAx);
	if(hModule)
	{
		MyFun=(REGISTER_FUN)GetProcAddress(hModule,
			"DllRegisterServer");
		BOOL pas=(MyFun!=NULL);
		if(pas)
		{
			MyFun();
		}
		::FreeLibrary(hModule);
		return pas;
	}
	return FALSE;
}

void CCountAutoDlg::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) 
{
	// TODO: Add your message handler code here and/or call default
	if(m_mySlider.GetSafeHwnd()==pScrollBar->GetSafeHwnd())
	{
		if (m_FilterGraph)
		{
			// Calculate the current seeking position
			double pos = m_duration * m_mySlider.GetPos() / 1000.;
			m_FilterGraph->SetCurrentPosition(pos);
		}		
	}
	else 
	CDialog::OnHScroll(nSBCode, nPos, pScrollBar);
}

void CCountAutoDlg::OnCancelMode() 
{
	CDialog::OnCancelMode();
	
	// TODO: Add your message handler code here
	
}

void CCountAutoDlg::OnChangeEdit2() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	CWnd * hwnd=GetDlgItem(IDC_EDIT2);
	hwnd->UpdateData(TRUE);
   if(m_GrabTimer==0&&m_timespance)m_GrabTimer=SetTimer(1,m_timespance,NULL);
   else if(m_GrabTimer)
   {
	   KillTimer(1);
	   m_GrabTimer=SetTimer(1,m_timespance,NULL);
   }
}

BOOL CCountAutoDlg::OnEraseBkgnd(CDC* pDC) 
{
	// TODO: Add your message handler code here and/or call default
	CRect rect;
    m_VideoWindow.GetWindowRect(&rect);
	ScreenToClient(&rect);
	pDC->ExcludeClipRect(&rect);

	return CDialog::OnEraseBkgnd(pDC);
}

void CCountAutoDlg::OnTop() 
{
	// TODO: Add your command handler code here
	if(m_IsTop==0){
		const CWnd *pWndInsertAfter;
        pWndInsertAfter=&wndNoTopMost;
		SetWindowPos(pWndInsertAfter,0,0,0,0,SWP_NOSIZE | SWP_NOMOVE);
	}
	else
	{
		const CWnd * pWndInsertAfter; 
		pWndInsertAfter = &wndTopMost; 
		SetWindowPos(pWndInsertAfter,0,0,0,0,SWP_NOSIZE | SWP_NOMOVE); 
	}
}

void CCountAutoDlg::OnUpdateTop(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	if(m_IsTop==0){
		GetMenu()->GetSubMenu(0)->CheckMenuItem(0,MF_CHECKED|MF_BYPOSITION );
		m_IsTop=1;
	}
	else
	{
		GetMenu()->GetSubMenu(0)->CheckMenuItem(0,MF_UNCHECKED|MF_BYPOSITION );
		m_IsTop=0;
	}
}