PIDTestDlg.cpp
资源名称:VC++视频传输.rar [点击查看]
上传用户:hxb_1234
上传日期:2010-03-30
资源大小:8328k
文件大小:4k
源码类别:
VC书籍
开发平台:
Visual C++
- // PIDTestDlg.cpp : implementation file
- //
- #include "stdafx.h"
- #include <streams.h>
- #include "CDXGraph.h"
- #include "IMPEG1Builder.h"
- #include <initguid.h>
- #include "FltGuids.h"
- #include "PIDTest.h"
- #include "PIDTestDlg.h"
- #ifdef _DEBUG
- #define new DEBUG_NEW
- #undef THIS_FILE
- static char THIS_FILE[] = __FILE__;
- #endif
- /////////////////////////////////////////////////////////////////////////////
- // CPIDTestDlg dialog
- CPIDTestDlg::CPIDTestDlg(CWnd* pParent /*=NULL*/)
- : CDialog(CPIDTestDlg::IDD, pParent)
- {
- //{{AFX_DATA_INIT(CPIDTestDlg)
- // NOTE: the ClassWizard will add member initialization here
- //}}AFX_DATA_INIT
- // Note that LoadIcon does not require a subsequent DestroyIcon in Win32
- m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
- m_pGraph = NULL;
- }
- CPIDTestDlg::~CPIDTestDlg()
- {
- if (m_pGraph)
- {
- delete m_pGraph;
- m_pGraph = NULL;
- }
- }
- void CPIDTestDlg::DoDataExchange(CDataExchange* pDX)
- {
- CDialog::DoDataExchange(pDX);
- //{{AFX_DATA_MAP(CPIDTestDlg)
- // NOTE: the ClassWizard will add DDX and DDV calls here
- //}}AFX_DATA_MAP
- }
- BEGIN_MESSAGE_MAP(CPIDTestDlg, CDialog)
- //{{AFX_MSG_MAP(CPIDTestDlg)
- ON_WM_PAINT()
- ON_WM_QUERYDRAGICON()
- ON_BN_CLICKED(ID_CMD_PAUSE, OnCmdPause)
- ON_BN_CLICKED(ID_CMD_PLAY, OnCmdPlay)
- ON_BN_CLICKED(ID_CMD_STOP, OnCmdStop)
- ON_BN_CLICKED(ID_CMD_OPEN, OnCmdOpen)
- //}}AFX_MSG_MAP
- END_MESSAGE_MAP()
- /////////////////////////////////////////////////////////////////////////////
- // CPIDTestDlg message handlers
- BOOL CPIDTestDlg::OnInitDialog()
- {
- CDialog::OnInitDialog();
- // 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
- SetWindowPos(&wndTopMost, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE);
- return TRUE; // return TRUE unless you set the focus to a control
- }
- // 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 CPIDTestDlg::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 CPIDTestDlg::OnQueryDragIcon()
- {
- return (HCURSOR) m_hIcon;
- }
- void CPIDTestDlg::OnCmdOpen()
- {
- CString strFilter = "MPEG File (*.mpg;*.mpeg)|*.mpg;*.mpeg|";
- CFileDialog dlgOpen(TRUE, NULL, NULL, OFN_HIDEREADONLY, strFilter, NULL);
- if (IDOK != dlgOpen.DoModal())
- {
- return;
- }
- mSourceFile = dlgOpen.GetPathName();
- // Rebuild the filter graph
- if (m_pGraph)
- {
- m_pGraph->Stop();
- delete m_pGraph;
- m_pGraph = NULL;
- }
- m_pGraph = new CDXGraph();
- m_pGraph->Create();
- IMPEG1Builder * pMPG1Builder = NULL;
- m_pGraph->QueryInterface(IID_IMPEG1Builder, (void**)&pMPG1Builder);
- if (pMPG1Builder)
- {
- pMPG1Builder->Release();
- if (S_OK == pMPG1Builder->IsMPEG1File(mSourceFile))
- {
- pMPG1Builder->RenderMPEG1File(mSourceFile);
- // Automatically play this MPEG1 file
- OnCmdPlay();
- }
- else
- {
- AfxMessageBox("This is not a MPEG1 file!");
- }
- }
- }
- void CPIDTestDlg::OnCmdPause()
- {
- if (m_pGraph)
- {
- m_pGraph->Pause();
- }
- }
- void CPIDTestDlg::OnCmdPlay()
- {
- if (m_pGraph)
- {
- m_pGraph->Run();
- }
- }
- void CPIDTestDlg::OnCmdStop()
- {
- if (m_pGraph)
- {
- m_pGraph->Stop();
- }
- }