criticaldlg.cpp

VC++视频开发实例集锦(包括“远程视频监控”"语音识别系统"等13个经典例子)

// CriticalDlg.cpp : implementation file
//

#include "stdafx.h"
#include "XvidQuantsParser.h"
#include "CriticalDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CCriticalDlg dialog


CCriticalDlg::CCriticalDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCriticalDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCriticalDlg)
	m_criticalq = 0;
	//}}AFX_DATA_INIT
}


void CCriticalDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCriticalDlg)
	DDX_Control(pDX, IDC_LIST_CRITICAL, m_listcritical);
	DDX_Text(pDX, IDC_EDIT_CRITICALQ, m_criticalq);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CCriticalDlg, CDialog)
	//{{AFX_MSG_MAP(CCriticalDlg)
	ON_BN_CLICKED(IDC_BUTTON_FETCH, OnButtonFetch)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCriticalDlg message handlers

//------------------------------------------------------------------------------------------------
void CCriticalDlg::Init(CXvid::QUANTS *quants, int nframes)
{
	nbframes	= nframes;
	qarray		= quants;
}

//------------------------------------------------------------------------------------------------
BOOL CCriticalDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	m_listcritical.InsertColumn(0, "Frame",LVCFMT_CENTER, 55);
	m_listcritical.InsertColumn(1, "Type",	LVCFMT_CENTER, 40);
	m_listcritical.InsertColumn(2, "Quantizer",	LVCFMT_CENTER, 75);
	m_listcritical.InsertColumn(3, "Framesize (bytes)",LVCFMT_LEFT,   125);
	
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

//------------------------------------------------------------------------------------------------
void CCriticalDlg::OnButtonFetch() 
{
	char index[7], value[3], fsize[9];
	int count = 0;

	UpdateData(TRUE);

	m_listcritical.DeleteAllItems();
	for (int i=0; i<nbframes; i++)
	{
		if (qarray[i].qvalue>m_criticalq)
		{
			sprintf(index, "%d", i);
			sprintf(value, "%dx", qarray[i].qvalue);
			sprintf(fsize, "%d", qarray[i].framesize);

			m_listcritical.InsertItem (count, index);
			if (qarray[i].isIFrame) m_listcritical.SetItemText(count, 1, "IF");
			else m_listcritical.SetItemText(count, 1, "PF");
			m_listcritical.SetItemText(count, 2, value);
			m_listcritical.SetItemText(count, 3, fsize);
			count++;
		}
	}

	if (count == 0)
	{
		AfxMessageBox("No frames above specified quantizer.\nSee the Global Quantization: Maximum value.", MB_ICONINFORMATION);
	}
}