VMR-9_DirectShow_vmr9_

//------------------------------------------------------------------------------ // File: BlenderDlg.cpp // // Desc: DirectShow sample code - an MFC application that blends two video // streams using the Video Mixing Renderer. Controls are provided for // manipulating each video stream's X, Y, size, and alpha values. // // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------------------------ #include "stdafx.h" #include "Blender.h" #include "BlenderDlg.h" #include <atlbase.h> #include <tchar.h> #include <atlbase.h> #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif // Uncomment this line to render video component only (no audio rendering) // #define NO_AUDIO // // Global data // typedef struct { FLOAT xPos, yPos; FLOAT xSize, ySize; FLOAT Alpha; BOOL bFlipped, bMirrored; } STRM_PARAM; // Default initialization values for the video streams const STRM_PARAM strParamInit[1] = { {0.0F, 0.0F, 1.0F, 1.0F, 0.7F, 0, 0} }; // Contains initial and current values for the video streams STRM_PARAM strParam[2] = { {0.0F, 0.0F, 1.0F, 1.0F, 0.7F, 0, 0}, {0.0F, 0.0F, 1.0F, 1.0F, 0.7F, 0, 0} }; // Resource IDs for dialog controls (for simple enumeration) const int NUM_SLIDERS=10; int nSliderIDs[NUM_SLIDERS] = { IDC_SLIDER_X, IDC_SLIDER_X2, IDC_SLIDER_Y, IDC_SLIDER_Y2, IDC_SLIDER_WIDTH, IDC_SLIDER_WIDTH2, IDC_SLIDER_HEIGHT, IDC_SLIDER_HEIGHT2, IDC_SLIDER_ALPHA, IDC_SLIDER_ALPHA2 }; const int NUM_CHECKS=4; int nCheckIDs[NUM_CHECKS] = { IDC_CHECK_FLIP, IDC_CHECK_FLIP2, IDC_CHECK_MIRROR, IDC_CHECK_MIRROR2 }; ///////////////////////////////////////////////////////////////////////////// // 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() ///////////////////////////////////////////////////////////////////////////// // CBlenderDlg dialog CBlenderDlg::CBlenderDlg(CWnd* pParent /*=NULL*/) : CDialog(CBlenderDlg::IDD, pParent) { //{{AFX_DATA_INIT(CBlenderDlg) //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CBlenderDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CBlenderDlg) DDX_Control(pDX, IDC_POSITION, m_StrPosition); DDX_Control(pDX, IDC_DURATION, m_StrDuration); DDX_Control(pDX, IDC_STOP, m_ButtonStop); DDX_Control(pDX, IDC_PAUSE, m_ButtonPause); DDX_Control(pDX, IDC_PLAY, m_ButtonPlay); DDX_Control(pDX, IDC_SCREEN, m_Screen); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CBlenderDlg, CDialog) //{{AFX_MSG_MAP(CBlenderDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BUTTON_STREAM1, OnButtonStream1) ON_BN_CLICKED(IDC_BUTTON_STREAM2, OnButtonStream2) ON_BN_CLICKED(IDC_STOP, OnStop) ON_BN_CLICKED(IDC_PAUSE, OnPause) ON_BN_CLICKED(IDC_PLAY, OnPlay) ON_WM_CLOSE() ON_WM_DESTROY() ON_WM_TIMER() ON_BN_CLICKED(IDC_CHECK_FLIP, OnCheckFlip) ON_BN_CLICKED(IDC_CHECK_MIRROR, OnCheckMirror) ON_BN_CLICKED(IDC_CHECK_FLIP2, OnCheckFlip2) ON_BN_CLICKED(IDC_CHECK_MIRROR2, OnCheckMirror2) ON_BN_CLICKED(IDC_BUTTON_ABOUT, OnButtonAbout) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CBlenderDlg message handlers void CBlenderDlg::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 CBlenderDlg::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 { // When using VMR Windowless mode, you must explicitly tell the // renderer when to repaint the video in response to WM_PAINT // messages. This is most important when the video is stopped // or paused, since the VMR won't be automatically updating the // window as the video plays. MoveVideoWindow(); RepaintVideo(); CDialog::OnPaint(); } } // The system calls this to obtain the cursor to display while the user drags // the minimized window. HCURSOR CBlenderDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } BOOL CBlenderDlg::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 // Initialize COM CoInitializeEx(NULL, COINIT_APARTMENTTHREADED); // Verify that the VMR is present on this system if(!VerifyVMR9()) exit(1); // Initialize the video screen m_Screen.ModifyStyle(0, WS_CLIPCHILDREN); m_hwndScreen = m_Screen.GetSafeHwnd(); // Initialize global variables pGB = NULL; pMC = NULL; pMS = NULL; pME = NULL; pWC = NULL; pMix = NULL; m_szFile1[0] = m_szFile2[0] = TEXT('\0'); g_wTimerID = 0; InitControls(); return TRUE; // return TRUE unless you set the focus to a control } #ifdef REGISTER_FILTERGRAPH HRESULT CBlenderDlg::AddGraphToRot(IUnknown *pUnkGraph, DWORD *pdwRegister) { IMoniker * pMoniker; IRunningObjectTable *pROT; if (FAILED(GetRunningObjectTable(0, &pROT))) { return E_FAIL; } WCHAR wsz[128]; wsprintfW(wsz, L"FilterGraph %08x pid %08x", (DWORD_PTR)pUnkGraph,