www.pudn.com > ccc21.rar > MyYUViewerDlg.cpp


// MyYUViewerDlg.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "MyYUViewer.h" 
#include "ChildWindow.h" 
#include "MyYUViewerDlg.h" 
 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
BOOL g_bPlay; 
int g_nFrameNumber = 0; 
int g_nOldFrameNumber = -1000;  
BOOL g_Play = true; 
 
int g_nStartFrame = 0; 
int g_nEndFrame = 10000; 
int g_nCurrentFrame = 0;  
BOOL g_bReversePlay = FALSE; 
 
UINT PlayVideo( LPVOID pParam ) 
{ 
	int i; 
	BOOL bPlay = g_bPlay; 
	BOOL bEof = FALSE; 
	CMyYUViewerDlg *pWin = (CMyYUViewerDlg *)pParam; 
	UINT picsize = pWin->m_nWidth*pWin->m_nHeight; 
	int timespan = 1000/atoi(pWin->m_sFrameRate);	 
	if(g_nCurrentFrame < g_nStartFrame) g_nCurrentFrame = g_nStartFrame; 
	if(g_nCurrentFrame > g_nEndFrame) g_nCurrentFrame = g_nEndFrame; 
 
	for(i=0; im_iCount; i++) 
	{ 
		pWin->m_pFile[i]->Seek(g_nCurrentFrame*picsize*3/2, SEEK_SET); 
		pWin->m_pWnd[i]->nPicShowOrder = g_nCurrentFrame; 
	} 
	 
	HANDLE hPlayTemp1 = OpenMutex(MUTEX_ALL_ACCESS,FALSE,"播放");	 
	while(g_nCurrentFrame >= g_nStartFrame && g_nCurrentFrame <= g_nEndFrame && !bEof) 
	{ 
		DWORD t2=GetTickCount(); 
		g_nFrameNumber = g_nCurrentFrame;//j; 
  
		if ( WAIT_OBJECT_0 == WaitForSingleObject(hPlayTemp1,INFINITE) ) 
			ReleaseMutex( hPlayTemp1 ); 
		 
		for(i=0; im_iCount; i++) 
		{ 
			if(!pWin->m_Color) 
			pWin->m_pFile[i]->Seek(g_nCurrentFrame*picsize*3/2, SEEK_SET); 
			else 
			pWin->m_pFile[i]->Seek(g_nCurrentFrame*picsize, SEEK_SET); 
 
			if(picsize != pWin->m_pFile[i]->Read(pWin->m_pWnd[i]->Y,picsize)) 
			{ 
				AfxMessageBox("Get to end of file"); 
				bEof = TRUE; 
				break; 
			} 
			if(!pWin->m_Color)  
			{ 
				if(picsize/4 != pWin->m_pFile[i]->Read(pWin->m_pWnd[i]->Cb,picsize/4)) 
				{ 
					AfxMessageBox("Get to end of file"); 
					bEof = TRUE; 
					break; 
				} 
				if(picsize/4 != pWin->m_pFile[i]->Read(pWin->m_pWnd[i]->Cr,picsize/4)) 
				{ 
					AfxMessageBox("Get to end of file"); 
					bEof = TRUE; 
					break; 
				} 
			} 
			else 
			{ 
		        memset(pWin->m_pWnd[i]->Cb,128,picsize/4); 
		        memset(pWin->m_pWnd[i]->Cr,128,picsize/4); 
			} 
 
			pWin->m_pWnd[i]->InvalidateRect (NULL,FALSE); 
			pWin->m_pWnd[i]->UpdateWindow (); 
			pWin->m_pWnd[i]->nPicShowOrder=g_nCurrentFrame; 
		} 
 
		if(g_bReversePlay == FALSE)//反播 
			g_nCurrentFrame++; 
		else  
			g_nCurrentFrame--; 
 
		int t1=GetTickCount()-t2; 
		if(t1 < timespan)  
			Sleep(timespan - t1); // sleep time in milliseconds 
	} 
	 
	pWin->m_pWinThread = NULL; 
	AfxEndThread(0); 
	return 1; 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// 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() 
 
///////////////////////////////////////////////////////////////////////////// 
// CMyYUViewerDlg dialog 
 
CMyYUViewerDlg::CMyYUViewerDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CMyYUViewerDlg::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CMyYUViewerDlg) 
	m_nZoom = FALSE; 
	m_size = 0; 
	m_sFrameRate = _T("30"); 
	m_nHeight=288; 
	m_nWidth=352; 
	m_Color = FALSE; 
	//}}AFX_DATA_INIT 
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
} 
 
void CMyYUViewerDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CMyYUViewerDlg) 
	DDX_Control(pDX, ID_PAUSEPLAY, m_buttonPausePlay); 
	DDX_Control(pDX, IDC_Zoom, m_Zoom); 
	DDX_Check(pDX, IDC_Zoom, m_nZoom); 
	DDX_Radio(pDX, IDC_CIF, m_size); 
	DDX_CBString(pDX, IDC_COMBO1, m_sFrameRate); 
	DDX_Check(pDX, IDC_COLOR, m_Color); 
	//}}AFX_DATA_MAP 
 
} 
 
BEGIN_MESSAGE_MAP(CMyYUViewerDlg, CDialog) 
	//{{AFX_MSG_MAP(CMyYUViewerDlg) 
	ON_WM_SYSCOMMAND() 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	ON_BN_CLICKED(ID_FILE_OPEN, OnFileOpen) 
	ON_BN_CLICKED(IDC_CIF, OnCif) 
	ON_BN_CLICKED(IDC_QCIF, OnQcif) 
	ON_BN_CLICKED(IDC_Zoom, OnZoom) 
	ON_BN_CLICKED(ID_PAUSEPLAY, OnPauseplay) 
	ON_BN_CLICKED(ID_CLOSEALL, OnCloseall) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CMyYUViewerDlg message handlers 
 
BOOL CMyYUViewerDlg::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_Zoom.SetCheck(0); 
	Disable(IDC_Zoom); 
	m_iCount=0; 
	m_bPlay = true; 
	m_pWinThread = NULL; 
 
	HANDLE hPlay = NULL; 
	if( (hPlay=OpenMutex(MUTEX_ALL_ACCESS,FALSE,"播放"))==NULL) 
	{ 
		//如果没有其他进程创建这个互斥量,则重新创建 
		hPlay = CreateMutex(NULL,FALSE,"播放"); 
	} 
 
	return TRUE;  // return TRUE  unless you set the focus to a control 
} 
 
void CMyYUViewerDlg::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 CMyYUViewerDlg::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 CMyYUViewerDlg::OnQueryDragIcon() 
{ 
	return (HCURSOR) m_hIcon; 
} 
 
void getSeqName(char *inseqpath, char *seqname) 
{ 
  int lastSlashPos, lastDotPos; // the last dot is located after the last slash "\" 
  int lastNonZeroPos; // last pos that tmp != 0 
  int i=0; 
  char tmp = '0'; 
 
  while(tmp != 0) 
  { 
    tmp = inseqpath[i++]; 
    if(tmp == '\\') 
      lastSlashPos = i-1; 
    if(tmp == '.') 
      lastDotPos = i-1; 
  } 
  lastNonZeroPos = i-1; 
 
  if(lastDotPos < lastSlashPos) 
    lastDotPos = -1; // that means the file name with no extention, such as "c:\seq\forman". 
 
  if(lastDotPos != -1) 
  { 
    for(i=lastSlashPos+1; iOpen(inSeqence[m_iCount], CFile::modeRead)==0)  
	{ 
		AfxMessageBox("Can't open input file"); 
		return; 
	} 
	m_pWnd[m_iCount]=new CChildWindow((CFrameWnd*)this, m_nWidth, m_nHeight,1); 
	if(picsize != m_pFile[m_iCount]->Read(m_pWnd[m_iCount]->Y,picsize)) 
	{ 
		MessageBox("Get to end of file"); 
		return; 
	} 
	if(!m_Color)  
	{ 
		if(picsize/4 != m_pFile[m_iCount]->Read(m_pWnd[m_iCount]->Cb,picsize/4)) 
		{ 
			MessageBox("Get to end of file"); 
			return; 
		} 
		if(picsize/4 != m_pFile[m_iCount]->Read(m_pWnd[m_iCount]->Cr,picsize/4)) 
		{ 
			MessageBox("Get to end of file"); 
			return; 
		} 
	} 
	else 
	{ 
		memset(m_pWnd[m_iCount]->Cb,128,picsize/4); 
		memset(m_pWnd[m_iCount]->Cr,128,picsize/4); 
	} 
	m_pWnd[m_iCount]->ShowWindow(SW_SHOW); 
	if(m_nZoom == 0) m_pWnd[m_iCount]->CenterWindow(m_nWidth,m_nHeight); 
	else if(m_nZoom == 1) m_pWnd[m_iCount]->CenterWindow(m_nWidth*2,m_nHeight*2); 
	m_iCount++;//*/ 
	return; 
} 
 
void CMyYUViewerDlg::OnCif()  
{ 
	UpdateData(TRUE); 
	m_nWidth = 352; 
	m_nHeight = 288; 
	Disable(IDC_Zoom); 
	UpdateData(FALSE);	 
} 
 
void CMyYUViewerDlg::OnQcif()  
{ 
	UpdateData(TRUE); 
	m_nWidth = 176; 
	m_nHeight = 144; 
	Enable(IDC_Zoom); 
	UpdateData(FALSE);	 
 
} 
 
void CMyYUViewerDlg::Enable(int nID) 
{ 
	CWnd *pObject1; 
	pObject1 = GetDlgItem(nID); 
	pObject1->EnableWindow(TRUE); 
} 
 
void CMyYUViewerDlg::Disable(int nID) 
{ 
	CWnd *pObject1; 
	pObject1 = GetDlgItem(nID); 
	pObject1->EnableWindow(FALSE); 
} 
 
void CMyYUViewerDlg::OnCancel()  
{ 
	int i; 
 
	for(i=0; iClose(); 
		if(m_pWnd[i]) 
			m_pWnd[i]->DestroyWindow(); 
	}	 
	CDialog::OnCancel(); 
} 
 
 
 
void CMyYUViewerDlg::OnZoom()  
{ 
	if(m_nZoom) 
	{	m_Zoom.SetWindowText("100%"); 
	    m_nZoom=0; 
	} 
	else 
	{	m_Zoom.SetWindowText("200%");	 
	    m_nZoom=1; 
	} 
	UpdateData(false);	 
} 
 
void CMyYUViewerDlg::OnPauseplay()  
{ 
 
	UpdateData(TRUE); 
 
/*	g_nStartFrame = m_nFrameFrom; 
	if(m_nFrameTo != 0) g_nEndFrame = m_nFrameTo; 
	else g_nEndFrame = 10000;*/ 
	g_nStartFrame = 0; 
	g_nEndFrame = 10000; 
 
	// create a new thread 
	if (m_bPlay) 
	{ 
		m_buttonPausePlay.SetWindowText("暂停"); 
		m_bPlay = false; 
		g_Play = true; 
	} 
	else 
	{ 
		m_buttonPausePlay.SetWindowText("播放"); 
		m_bPlay = true; 
	} 
 
	char chTitle[10]; 
	m_buttonPausePlay.GetWindowText(chTitle,10); 
	hPlayTemp = NULL; 
	hPlayTemp=OpenMutex(MUTEX_ALL_ACCESS,FALSE,"播放"); 
	if ( strcmp( chTitle,"播放" ) == 0 ) 
	{ 
		WaitForSingleObject( hPlayTemp,0); 
		 
	} 
	else 
		ReleaseMutex(hPlayTemp); 
 
	if ( m_pWinThread == NULL) 
		m_pWinThread = AfxBeginThread( (AFX_THREADPROC)PlayVideo , (void*)this);	 
} 
 
void CMyYUViewerDlg::OnCloseall()  
{ 
	int i; 
 
	for(i=0; iClose(); 
		if(m_pWnd[i]) 
			m_pWnd[i]->DestroyWindow(); 
	}	 
	m_iCount=0; 
	m_bPlay = true; 
	g_nCurrentFrame = 0;  
}