?? vcdlg.cpp
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// VCDlg.cpp : implementation file
//
#include "stdafx.h"
#include "VC.h"
#include "VCDlg.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()
/////////////////////////////////////////////////////////////////////////////
// CVCDlg dialog
CVCDlg::CVCDlg(CWnd* pParent /*=NULL*/)
: CDialog(CVCDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CVCDlg)
m_Show = _T("");
m_Num_Group_Picture = 0;
m_Num_Picture = 0;
m_Num_Slice = 0;
m_Num_Sequence = 0;
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CVCDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CVCDlg)
DDX_Control(pDX, IDC_SAVE, m_SaveFile);
DDX_Control(pDX, IDC_GET_SEQUENCE, m_Get_Sequence);
DDX_Control(pDX, IDC_GET_SLICE, m_Get_Slice);
DDX_Control(pDX, IDC_GET_PICTURE, m_Get_Picture);
DDX_Control(pDX, IDC_GET_GROUP_PICTURE, m_Get_Group_Picture);
DDX_Text(pDX, IDC_Show, m_Show);
DDV_MaxChars(pDX, m_Show, 102400);
DDX_Text(pDX, IDC_GROUP_PICTURE, m_Num_Group_Picture);
DDV_MinMaxDWord(pDX, m_Num_Group_Picture, 0, 4294967295);
DDX_Text(pDX, IDC_PICTURE, m_Num_Picture);
DDV_MinMaxDWord(pDX, m_Num_Picture, 0, 4294967295);
DDX_Text(pDX, IDC_SLICE, m_Num_Slice);
DDV_MinMaxDWord(pDX, m_Num_Slice, 0, 4294967295);
DDX_Text(pDX, IDC_SEQUENCE, m_Num_Sequence);
DDV_MinMaxDWord(pDX, m_Num_Sequence, 0, 4294967295);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CVCDlg, CDialog)
//{{AFX_MSG_MAP(CVCDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_OPEN, OnBtnOpen)
ON_BN_CLICKED(IDC_GET_GROUP_PICTURE, OnBtnGetGroupPicture)
ON_BN_CLICKED(IDC_GET_PICTURE, OnBtnGetPicture)
ON_BN_CLICKED(IDC_GET_SLICE, OnBtnGetSlice)
ON_BN_CLICKED(IDC_GET_SEQUENCE, OnBtnGetSequence)
ON_BN_CLICKED(IDC_SAVE, OnBtnSave)
ON_EN_CHANGE(IDC_Show, OnChangeShow)
ON_EN_CHANGE(IDC_SEQUENCE, OnChangeSequence)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CVCDlg message handlers
BOOL CVCDlg::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
return TRUE; // return TRUE unless you set the focus to a control
}
void CVCDlg::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 CVCDlg::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();
}
}
CString FilePath; //全局變量，文件路徑
DWORD FileSize; //全局變量，文件大小
CFile FileOpenDlg; //全局變量，調用指針
// The system calls this to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR CVCDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CVCDlg::OnOK()
{
// TODO: Add extra validation here
CDialog::OnOK();
}
void CVCDlg::OnBtnOpen()
{
// TODO: Add your control notification handler code here
char filters[] = "MPEG/DVB ES Files (*.mpg;*.m2v)|*.mpg;*.m2v|All Files (*.*)|*.*|";
CFileDialog FileDlg(TRUE, NULL, "", NULL, filters, NULL);
CString s;
if(FileDlg.DoModal() == IDOK) ///#define IDOK 1
{
FilePath = FileDlg.GetPathName();
if(strlen(FilePath)==0)
{
MessageBox(FilePath);
}
else
{
FileOpenDlg.Open(FilePath,CFile::modeRead);
m_Get_Group_Picture.EnableWindow();
m_Get_Picture.EnableWindow();
m_Get_Slice.EnableWindow();
m_Get_Sequence.EnableWindow();
m_SaveFile.EnableWindow();
FileSize = FileOpenDlg.GetLength();
s.Format("\r\n文件位置：%s\r\n",FilePath);
m_Show+=s;
s.Format("文件大小 = %ld 個字節\r\n",FileSize);
m_Show+=s;
UpdateData(FALSE);
}
Invalidate();
}
}
void CVCDlg::OnBtnGetGroupPicture()
{
// TODO: Add your control notification handler code here
unsigned int drop_frame_flag;
unsigned int time_code_hours;
unsigned int time_code_minutes;
unsigned int marker_bit;
unsigned int time_code_seconds;
unsigned int time_code_pictures;
unsigned int closed_gop;
DWORD t;
CString s;
UpdateData(TRUE);
if(m_Num_Group_Picture==0)
{
MessageBox("Group Picture Number shouldn't be '0'!");
goto stop;
}
FileOpenDlg.SeekToBegin();
if(m_Num_Sequence==1) m_Num_Sequence--;
if(SeekHeader(m_Num_Sequence,0x01b3,0x01b3)==FALSE)
{
MessageBox("Sequence Head not found!");
goto stop;
}
if(SeekHeader(m_Num_Group_Picture,0x01b8,0x01b8)==FALSE)
{
MessageBox("Group Picture Head not found!");
goto stop;
}
FileOpenDlg.Read(&t,4);
transform(&t,4);
if(m_Num_Sequence==0) m_Num_Sequence++;
UpdateData(FALSE);
s.Format("\r\n第%d個序列,\r\n",m_Num_Sequence);
m_Show+=s;
s.Format("第%d個圖像組:\r\n",m_Num_Group_Picture);
m_Show+=s;
drop_frame_flag = getbits(t,1,1);
s.Format("\tdrop_frame_flag = %d\r\n",drop_frame_flag);
m_Show+=s;
time_code_hours = getbits(t,2,6);
s.Format("\t小時 = %d\r\n",time_code_hours);
m_Show+=s;
time_code_minutes = getbits(t,7,12);
s.Format("\t分鐘 = %d\r\n",time_code_minutes);
m_Show+=s;
marker_bit = getbits(t,13,13);
s.Format("\tmarker_bit = %d\r\n",marker_bit);
m_Show+=s;
time_code_seconds = getbits(t,14,19);
s.Format("\t秒 = %d\r\n",time_code_seconds);
m_Show+=s;
time_code_pictures = getbits(t,20,25);
s.Format("\t起始幀數 = %d\r\n",time_code_pictures);
m_Show+=s;
closed_gop = getbits(t,26,26);
s.Format("\tclosed_gop = %d\r\n",closed_gop);
m_Show+=s;
if(closed_gop==1)
{
s.Format("\t本圖像組可被獨立解碼，無需依靠其他圖像組。\r\n");
m_Show+=s;
}
stop: UpdateData(FALSE);
}
void CVCDlg::OnBtnGetPicture()
{
// TODO: Add your control notification handler code here
unsigned int temporal_reference;
unsigned int picture_coding_type;
unsigned int vbv_delay;
unsigned int f_code_00;
unsigned int f_code_01;
unsigned int f_code_10;
unsigned int f_code_11;
unsigned int intra_dc_precision;
unsigned int picture_structure;
CString s;
DWORD t;
UpdateData(TRUE);
if(m_Num_Picture==0)
{
MessageBox("Picture Number shouldn't be '0'!");
goto stop;
}
FileOpenDlg.SeekToBegin();
if(m_Num_Sequence==1) m_Num_Sequence--;
if(m_Num_Group_Picture==1) m_Num_Group_Picture--;
if(SeekHeader(m_Num_Sequence,0x01b3,0x01b3)==FALSE)
{
MessageBox("Sequence Head not found!");
goto stop;
}
if(SeekHeader(m_Num_Group_Picture,0x01b8,0x01b8)==FALSE)
{
MessageBox("Group Picture Head not found!");
goto stop;
}
if(SeekHeader(m_Num_Picture,0x0100,0x0100)==FALSE)
{
MessageBox("Picture Head not found!");
goto stop;
}
if(m_Num_Sequence==0) m_Num_Sequence++;
if(m_Num_Group_Picture==0) m_Num_Group_Picture++;
UpdateData(FALSE);
s.Format("\r\n第%d個序列,\r\n",m_Num_Sequence);
m_Show+=s;
s.Format("第%d個圖像組,\r\n",m_Num_Group_Picture);
m_Show+=s;
s.Format("第%d幀圖像：\r\n",m_Num_Picture);
m_Show+=s;
FileOpenDlg.Read(&t,4);
transform(&t,4);
temporal_reference = getbits(t,1,10);
s.Format("\ttemporal_reference = %d,",temporal_reference);
m_Show+=s;
s.Format("所在圖像組的第%d幀圖像\r\n",temporal_reference+1);
m_Show+=s;
picture_coding_type = getbits(t,11,13);
s.Format("\tpicture_coding_type = %d,",picture_coding_type);
m_Show+=s;
switch(picture_coding_type)
{
case 1: s.Format("幀內編碼(I幀)\r\n");m_Show+=s;break;
case 2: s.Format("前向預測編碼(P幀)\r\n");m_Show+=s;break;
case 3: s.Format("雙向預測編碼(B幀)\r\n");m_Show+=s;break;
case 4: s.Format("不應使用編碼\r\n");m_Show+=s;break;
default: s.Format("\r\n");m_Show+=s;
}
vbv_delay = getbits(t,14,29);
s.Format("\tvbv_delay = %d,",vbv_delay);
m_Show+=s;
s.Format("緩沖延時 = %1.4f秒\r\n",vbv_delay/90000.0);
m_Show+=s;
if(SeekExtension(8,0x0100)==TRUE)
{
FileOpenDlg.Seek(-1,CFile::current);
FileOpenDlg.Read(&t,4);
transform(&t,4);
f_code_00 = getbits(t,5,8);
s.Format("\tf_code_00 = %d,",f_code_00);
m_Show+=s;
s.Format("運動矢量在正向水平方向的搜索范圍 = %d\r\n",f_code_00);
m_Show+=s;
f_code_01 = getbits(t,9,12);
s.Format("\tf_code_01 = %d,",f_code_01);
m_Show+=s;
s.Format("運動矢量在正向垂直方向的搜索范圍 = %d\r\n",f_code_01);
m_Show+=s;
f_code_10 = getbits(t,13,16);
s.Format("\tf_code_10 = %d,",f_code_10);
m_Show+=s;
s.Format("運動矢量在反向水平方向的搜索范圍 = %d\r\n",f_code_10);
m_Show+=s;
f_code_11 = getbits(t,17,20);
s.Format("\tf_code_11 = %d,",f_code_11);
m_Show+=s;
s.Format("運動矢量在反向垂直方向的搜索范圍 = %d\r\n",f_code_11);
m_Show+=s;
intra_dc_precision = getbits(t,21,22);
s.Format("\tintra_dc_precision = %d,",intra_dc_precision);
m_Show+=s;
switch(intra_dc_precision)
{
case 0: s.Format("幀內直流系數的精度 = 8 bits\r\n");m_Show+=s;break;
case 1: s.Format("幀內直流系數的精度 = 9 bits\r\n");m_Show+=s;break;
case 2: s.Format("幀內直流系數的精度 = 10 bits\r\n");m_Show+=s;break;
case 3: s.Format("幀內直流系數的精度 = 11 bits\r\n");m_Show+=s;break;
default: s.Format("\r\n");m_Show+=s;
}
picture_structure = getbits(t,23,24);
s.Format("\tpicture_structure = %d,",picture_structure);
m_Show+=s;
switch(picture_structure)
{
case 1: s.Format("圖像結構為頂場\r\n");m_Show+=s;break;
case 2: s.Format("圖像結構為底場\r\n");m_Show+=s;break;
case 3: s.Format("圖像結構為幀圖像\r\n");m_Show+=s;break;
default: s.Format("\r\n");m_Show+=s;
}
}
stop: UpdateData(FALSE);
}
void CVCDlg::OnBtnGetSlice()
{
// TODO: Add your control notification handler code here
DWORD slice_vertical_postition;
DWORD slice_vertical_postition_extension;
unsigned int quantiser_scale_code;
int n=0;
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