www.pudn.com > VideoMonitor.rar > MAV8Dlg.cpp

// MAV8Dlg.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "MAV8.h" 
#include  
#include  
 
#include ".\av8inc\av8api.h" 
#include ".\av8inc\define.h" 
 
#include "Overlay.h" 
#include "PlayWnd.h" 
#include "MAV8Dlg.h" 
 
#include "PlayWnd.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
#define WM_DATABLOCK_UPDATE		WM_USER+20 
 
static char	caFileName[STRSIZE];// = "catest1.mpg"; 
 
typedef WORD (CALLBACK *USER_CALLBACK) (HDRVR hdrvr, UINT msg, DWORD dwUser, DWORD dwParam1, DWORD dwParam2); 
 
WORD CALLBACK _loadds MyCallBack(HDRVR hdrvr, UINT msg, DWORD dwUser, DWORD dwParam1, DWORD dwParam2); 
 
static HMMIO hmmioInput; 
static HMMIO hmmioOutput; 
HDRVR hVFDrv; 
BYTE bStream; 
 
HWND	hWnd; 
BOOL Ready = false; 
extern PBYTE 	pbMem[]; 
extern BOOL		Rendered; 
PBYTE	RWPtr; 
PBYTE	tmpMem; 
DWORD	m_ReceivedBytes = 0;			// maximize = 0x8000 
DWORD	m_RemainBytes = 0;			// maximize = 0x8000 
int		rwIndex = 0; 
PBYTE	Ptr[100]; 
BOOL	CaptureToFile; 
 
extern BOOL PeekAndPump(); 
 
void Setdata (LPSTR lpBuffer, LONG dwBufferWrite) 
{ 
	DWORD Bytes = (DWORD)(dwBufferWrite); 
	if ((m_ReceivedBytes + Bytes )> 0x8000) { 
		CopyMemory((PVOID)(Ptr[rwIndex]+(LONGLONG)m_ReceivedBytes),  
				(PVOID)(lpBuffer), 
				(DWORD)(Bytes = 0x8000 - m_ReceivedBytes)); 
		m_RemainBytes = dwBufferWrite - Bytes; 
		RWPtr = Ptr[rwIndex]; 
		rwIndex = (rwIndex + 1)%100; 
 
		Ready = true; 
 
		tmpMem = new BYTE[m_RemainBytes]; 
		CopyMemory((PVOID)(tmpMem),  
				(PVOID)(lpBuffer + Bytes), 
				(DWORD)(m_RemainBytes)); 
 
		m_ReceivedBytes = 0; 
		TRACE2 ("A Block Ready = %lX, %lX\n",(DWORD)(lpBuffer), Bytes); 
	} else { 
		if (m_RemainBytes != 0) { 
			CopyMemory((PVOID)(Ptr[rwIndex]+(LONGLONG)m_ReceivedBytes),  
				(PVOID)(tmpMem), 
				(DWORD)(m_RemainBytes)); 
			m_ReceivedBytes += m_RemainBytes; 
			delete tmpMem; 
			m_RemainBytes = 0; 
		} 
		CopyMemory((PVOID)(Ptr[rwIndex]+(LONGLONG)m_ReceivedBytes),  
				(PVOID)(lpBuffer), 
				Bytes); 
 
		m_ReceivedBytes += Bytes; 
	} 
} 
 
 
WORD CALLBACK _loadds MyCallBack(HDRVR hdrvr, UINT msg, DWORD dwUser, DWORD dwParam1, DWORD dwParam2) 
{ 
DWORD		dwFlags = 0; 
 
//	TRACE0("MyCallBack "); 
	switch (msg) 
	{ 
	case VF_MSGUSER_BUF_WRITE: 
	    { 
	        LONG		lRet; 
	        LPVF_BUFWRITE_STRUCT	lpBufWrite = (LPVF_BUFWRITE_STRUCT)dwParam1; 
		 
			Setdata ((LPSTR)lpBufWrite->lpBuffer, (LONG)lpBufWrite->dwBufferWrite); 
			TRACE0 ("Sent\n"); 
		 
			if (CaptureToFile) { 
				lRet = mmioWrite(hmmioOutput, (LPSTR)lpBufWrite->lpBuffer, (LONG)lpBufWrite->dwBufferWrite);	         
				if (lRet == -1L) 
				{ 
				    return (FALSE); 
				} 
			} 
	        break; 
	    } 
 
	case VF_MSGUSER_BUF_CREATE: 
	    { 
	        LPVF_CALLBACK_STRUCT	lpCallback = (LPVF_CALLBACK_STRUCT)dwParam1; 
			if (CaptureToFile) { 
	        if (lpCallback->wSubMsg == VF_SUBMSG_OUTPUT) 
		    { 
                dwFlags = MMIO_CREATE | MMIO_WRITE; 
                hmmioOutput = mmioOpen((LPTSTR)caFileName, (LPMMIOINFO)NULL, dwFlags); 
		    } 
	        else 
            { 
                dwFlags = MMIO_READ | MMIO_DENYWRITE; 
                hmmioInput = mmioOpen((LPTSTR)caFileName, (LPMMIOINFO)NULL, dwFlags); 
            } 
			} 
			TRACE0 ("Create\n"); 
	        break; 
	    } 
 
	case VF_MSGUSER_BUF_CLOSE: 
	    { 
	        LPVF_CALLBACK_STRUCT	lpCallback = (LPVF_CALLBACK_STRUCT)dwParam1; 
			if (CaptureToFile) { 
	        if (lpCallback->wSubMsg == VF_SUBMSG_OUTPUT) 
		    { 
		        if (hmmioOutput) 
			    { 
			        mmioClose(hmmioOutput, NULL); 
			        hmmioOutput = NULL; 
			    } 
		    } 
	        else 
		    { 
		        if (hmmioInput) 
		        { 
		            mmioClose(hmmioInput, NULL); 
		            hmmioInput = NULL; 
		        } 
		    } 
			} 
			TRACE0 ("Closed\n"); 
	        break; 
	    } 
    } // switch 
 
	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() 
 
 
void CMAV8Dlg::CountDevice () 
{ 
	CString Msg; 
	 
	 
	hVFDrv = OpenDriver (L"AV8api.dll", NULL, NULL); 
	if (hVFDrv) { 
		if (HVFAssign (hVFDrv, 0)) { 
			if (HVFLock (hVFDrv, VF_CAP_ALL)) { 
					pbDeviceLocked = TRUE; 
			} 
			else { 
					pbDeviceLocked= FALSE; 
			} 
		} 
		else { 
				pbDeviceLocked = FALSE; 
				CloseDriver (hVFDrv,NULL,NULL); 
				hVFDrv = 0; 
		} 
 
	}  
 
	GetDlgItem (IDC_CHECK1)->EnableWindow(pbDeviceLocked); 
	GetDlgItem (IDC_RECORD)->EnableWindow(false); 
} 
 
void CMAV8Dlg::CloseAllDevice () 
{ 
	if (hVFDrv) { 
		HVFUnlock (hVFDrv, VF_CAP_ALL); 
		CloseDriver (hVFDrv, NULL, NULL); 
		hVFDrv = NULL; 
	} 
 
} 
 
 
BOOL CMAV8Dlg::InitEncodeVideoVxD(HDRVR m_hVFDrv, BYTE m_bStream) 
 
{ 
    DWORD dwValue; 
    WORD  wWidth, wHeight; 
 
    wWidth=352; 
    wHeight=288; 
    dwValue=MAKELONG(wWidth, wHeight); 
 
    HVFSet(m_hVFDrv, m_bStream, VF_INDEX_VID_OUTPUTSIZE, dwValue); 
 
    /* SDL - also set video width and height to scale images */ 
    wWidth = (wWidth * 45) / 44; // try to maintain standard MPEG SIF aspect ratio 
    dwValue = MAKELONG(wWidth, wHeight /* [sic] */); 
    HVFSet(m_hVFDrv, m_bStream, VF_INDEX_VID_INPUTSIZE, dwValue); 
 
    HVFSet(m_hVFDrv, m_bStream, VF_INDEX_VID_BITRATE, 512000);	//BITRATE_DEFAULT); 
 
    HVFSet(m_hVFDrv, m_bStream, VF_INDEX_VID_RATE, VF_FLAG_VID_25); 
 
    HVFSet(m_hVFDrv, m_bStream, VF_INDEX_VID_IINTERVAL, IINTERVAL_DEFAULT); 
 
    HVFSet(m_hVFDrv, m_bStream, VF_INDEX_VID_BINTERVAL, PINTERVAL_DEFAULT); 
 
    HVFSet(m_hVFDrv, m_bStream, VF_INDEX_VID_MODE, VF_FLAG_VID_PAL); 
 
    HVFSet(m_hVFDrv, m_bStream, VF_INDEX_VID_SOURCE, VF_FLAG_VID_COMPOSITE); 
 
    HVFSet(m_hVFDrv, m_bStream, VF_INDEX_VID_ALGORITHM, VF_FLAG_VID_MPEG); 
 
    HVFSet(m_hVFDrv, m_bStream, VF_INDEX_VID_BRIGHTNESS, BRIGHTNESS_DEFAULT); 
 
    HVFSet(m_hVFDrv, m_bStream, VF_INDEX_VID_CONTRAST, CONTRAST_DEFAULT);		    
 
    HVFSet(m_hVFDrv, m_bStream, VF_INDEX_VID_HUE, HUE_DEFAULT);		 
 
    HVFSet(m_hVFDrv, m_bStream, VF_INDEX_VID_SATURATION, SATURATION_DEFAULT); 
 
    return TRUE; 
} 
 
 
 
BOOL CMAV8Dlg::InitEncodeAudioVxD(HDRVR m_hVFDrv, BYTE m_bStream) 
 
{ 
 	DWORD dwValue; 
 
	HVFSet(m_hVFDrv, m_bStream, VF_INDEX_AUD_SAMPLE, SAMPLE_RATE_DEFAULT); 
	HVFSet(m_hVFDrv, m_bStream, VF_INDEX_AUD_BITRATE, BIT_RATE_DEFAULT); 
 
	dwValue=VF_FLAG_AUD_MPEG;	// set to MPEG algorithm 
	dwValue=(dwValue<<16)+VF_FLAG_AUD_NONE; 
	HVFSet(m_hVFDrv, m_bStream, VF_INDEX_AUD_ALGORITHM, dwValue); 
	HVFSet(m_hVFDrv, m_bStream, VF_INDEX_AUD_MODE, MODE_DEFAULT); 
	HVFSet(m_hVFDrv, m_bStream, VF_INDEX_AUD_VOLUME, VOLUME_MIN); 
	HVFSet(m_hVFDrv, m_bStream, VF_INDEX_AUD_VOLUME, VOLUME_DEFAULT); 
	HVFSet(m_hVFDrv, m_bStream, VF_INDEX_AUD_GAIN, GAIN_DEFAULT); 
 
	return TRUE; 
} 
 
 
 
BOOL CMAV8Dlg::InitEncodeSystemVxD(HDRVR m_hVFDrv, BYTE m_bStream) 
{ 
	HVFSet(m_hVFDrv, m_bStream, VF_INDEX_STM_TYPE, VF_FLAG_MPGSYS); 
	HVFSet(m_hVFDrv, m_bStream, VF_INDEX_STM_ENCODEMODE, VF_FLAG_STM_NORMAL); 
	return TRUE; 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CMAV8Dlg dialog 
 
CMAV8Dlg::CMAV8Dlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CMAV8Dlg::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CMAV8Dlg) 
	m_InputWnd = TRUE; 
	m_ToFile = FALSE; 
	//}}AFX_DATA_INIT 
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
 
	pOverlayWnd=NULL; 
	IsCapture = FALSE; 
	hVFDrv = 0; 
 
	pPlayWnd = NULL; 
} 
 
CMAV8Dlg::~CMAV8Dlg() 
{ 
	if(pOverlayWnd) 
		delete pOverlayWnd; 
	pOverlayWnd = NULL; 
	IsCapture = FALSE; 
	hVFDrv = 0; 
} 
 
void CMAV8Dlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CMAV8Dlg) 
	DDX_Control(pDX, IDC_CHECK1, m_Check1); 
	DDX_Check(pDX, IDC_INWINDOW, m_InputWnd); 
	DDX_Check(pDX, IDC_TOFILE, m_ToFile); 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CMAV8Dlg, CDialog) 
	//{{AFX_MSG_MAP(CMAV8Dlg) 
	ON_WM_SYSCOMMAND() 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	ON_WM_DESTROY() 
	ON_BN_CLICKED(IDC_CHECK1, OnCheck1) 
	ON_BN_CLICKED(IDC_RECORD, OnRecstop1) 
	ON_BN_CLICKED(IDC_TOFILE, OnTofile) 
	ON_BN_CLICKED(IDC_STOP, OnRecstop1) 
	ON_BN_CLICKED(IDC_INWINDOW, OnInwindow) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CMAV8Dlg message handlers 
 
BOOL CMAV8Dlg::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 
	 
	CountDevice (); 
 
	GetDlgItem (IDC_EDIT1)->SetWindowText ("c:\\temp1.mpg"); 
	GetDlgItem (IDC_EDIT1)->EnableWindow (m_ToFile); 
	GetDlgItem (IDC_STOP)->EnableWindow (IsCapture); 
 
	CaptureToFile = m_ToFile; 
	return TRUE;  // return TRUE  unless you set the focus to a control 
} 
 
void CMAV8Dlg::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 CMAV8Dlg::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 CMAV8Dlg::OnQueryDragIcon() 
{ 
	return (HCURSOR) m_hIcon; 
} 
 
void CMAV8Dlg::OnDestroy()  
{ 
	CDialog::OnDestroy(); 
	 
	CloseAllDevice ();	 
} 
void CMAV8Dlg::CreateVideoWindow () 
{ 
		int nXDelta; 
		int nXScreenSize, nXNew; 
 
		CRect RectDlg; 
		GetWindowRect(RectDlg); 
	// readjust the control window location 
		nXScreenSize=::GetSystemMetrics(SM_CXSCREEN); 
		nXNew=nXScreenSize/2+50; 
		nXDelta=nXNew-RectDlg.left; 
		RectDlg.left=nXNew; 
		RectDlg.right=RectDlg.right+nXDelta; 
		MoveWindow(&RectDlg); 
	// calcuate the overlay window size and location 
		WORD wOverlayWidth; 
		WORD wOverlayHeight; 
		wOverlayWidth = 352; 
		wOverlayHeight = 288; 
		RectDlg.left=RectDlg.left-wOverlayWidth-10; 
		RectDlg.right=RectDlg.left + wOverlayWidth + GetSystemMetrics(SM_CXFRAME)+5; 
		RectDlg.bottom=RectDlg.top+ wOverlayHeight + 10+ 
		GetSystemMetrics(SM_CYFRAME)+  
		//GetSystemMetrics(SM_CYCAPTION)+GetSystemMetrics(SM_CYMENU); 
		GetSystemMetrics(SM_CYCAPTION); // test 
 
 
		pOverlayWnd=new COverlay(hVFDrv, RectDlg, wOverlayWidth, wOverlayHeight); 
		pOverlayWnd->ShowWindow(SW_SHOWNORMAL); 
		pOverlayWnd->UpdateWindow(); 
 
		InitEncodeVideoVxD(hVFDrv, 0); 
        InitEncodeAudioVxD(hVFDrv, 0); 
	    InitEncodeSystemVxD(hVFDrv, 0); 
} 
 
void CMAV8Dlg::RecordOrStop (int id, CString fn) 
{ 
    WORD flags; 
	if (IsCapture) { 
		// Stop capture 
        HVFStop(hVFDrv, bStream); 
		TRACE0 ("HVFStop\n"); 
		if (id == 0) { 
			if (pPlayWnd) { 
				pPlayWnd->m_pimc->StopWhenReady(); 
				TRACE0 ("StopWhenReady\n"); 
			} 
		} 
        HVFClose(hVFDrv, bStream); 
		TRACE0 ("HVFClose\n"); 
		bStream = 0; 
		IsCapture = FALSE; 
	} 
	else { 
		// Start Record 
		IsCapture = TRUE; 
	 
		flags = VF_FLAG_MPEG | VF_FLAG_ENCODE | VF_FLAG_OUTBUF; 
		lstrcpy (caFileName, fn.GetBuffer (MAX_PATH)); 
		bStream = static_cast (HVFOpen(hVFDrv,  
							flags,  
							reinterpret_cast(MyCallBack))); 
		fn.ReleaseBuffer (); 
		InitEncodeVideoVxD(hVFDrv, bStream); 
        InitEncodeAudioVxD(hVFDrv, bStream); 
		InitEncodeSystemVxD(hVFDrv, bStream); 
         
		if (id == 0) { 
			for (int i = 0; i< 100; i++) 
				Ptr[i] = pbMem[i]; 
	 
			rwIndex = 0; 
			Ready = false; 
		} 
 
		HVFRecord(hVFDrv, bStream, NULL, NULL); 
 
		if (id == 0) { 
			pPlayWnd->Render (); 
		} 
	} 
	GetDlgItem (IDC_STOP)->EnableWindow (IsCapture); 
	GetDlgItem (IDC_INWINDOW)->EnableWindow (!IsCapture); 
	GetDlgItem (IDC_TOFILE)->EnableWindow (!IsCapture); 
} 
 
void CMAV8Dlg::OnCheck1()  
{ 
	if (m_Check1.GetCheck () == 1) { 
		if (m_InputWnd && !pOverlayWnd) 
			CreateVideoWindow (); 
		GetDlgItem (IDC_RECORD)->EnableWindow (TRUE); 
		pPlayWnd = new CPlayWnd ();			/// 
		hWnd = pPlayWnd->GetSafeHwnd (); 
		pPlayWnd->ShowWindow (SW_SHOW);		///	 
		pPlayWnd->UpdateWindow();			/// 
	} 
	else { 
		delete pOverlayWnd; 
		pOverlayWnd = NULL; 
		delete pPlayWnd; 
		pPlayWnd= NULL; 
		GetDlgItem (IDC_RECORD)->EnableWindow (FALSE); 
		GetDlgItem (IDC_STOP)->EnableWindow (FALSE); 
	} 
} 
 
void CMAV8Dlg::OnRecstop1()  
{ 
 
	CString fn; 
 
	GetDlgItem (IDC_EDIT1)->GetWindowText (fn); 
 
	RecordOrStop (0, fn); 
 
} 
 
 
void CMAV8Dlg::OnTofile()  
{ 
	UpdateData (TRUE); 
	CaptureToFile = m_ToFile; 
	GetDlgItem (IDC_EDIT1)->EnableWindow (m_ToFile); 
} 
 
void CMAV8Dlg::OnInwindow()  
{ 
	UpdateData (TRUE); 
	 
	if (m_InputWnd) { 
		if(!pOverlayWnd) { 
			CreateVideoWindow (); 
		} 
	} else { 
		if(pOverlayWnd) 
			delete pOverlayWnd; 
		pOverlayWnd = NULL; 
	} 
 
}