经典的vc++电影播放器

//==========================================================================; // // THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY // KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE // IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR // PURPOSE. // // Copyright (c) 1994 - 1998 Microsoft Corporation. All Rights Reserved. // //--------------------------------------------------------------------------; // // MovieView.cpp : implementation of the CMovieView class // aze // (c) Stephane Rodriguez 98 #include "stdafx.h" #include "MovieApp.h" #include "MovieDoc.h" #include <mmstream.h> // Multimedia stream interfaces #include <mmreg.h> #include <amstream.h> // DirectShow multimedia stream interfaces #include <initguid.h> // Defines DEFINE_GUID macro and enables GUID initialization #include "MovieView.h" #include <atlbase.h> CComModule _Module; #include <atlcom.h> #include <atlimpl.cpp> #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CMovieView IMPLEMENT_DYNCREATE(CMovieView, CView) BEGIN_MESSAGE_MAP(CMovieView, CView) //{{AFX_MSG_MAP(CMovieView) // NOTE - the ClassWizard will add and remove mapping macros here. ON_WM_KEYDOWN() ON_WM_LBUTTONDOWN() ON_COMMAND(ID_FILE_OPEN, OnFileOpen) ON_COMMAND(IDM_START, OnStart) ON_COMMAND(IDM_PAUSE, OnPause) ON_COMMAND(IDM_STOP, OnStop) // DO NOT EDIT what you see in these blocks of generated code! //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CMovieView construction/destruction CMovieView::CMovieView() { m_bAppactive=FALSE; m_bFileLoaded = FALSE; m_bPaused=FALSE; // MultiMedia streaming interfaces m_pMMStream=NULL; m_pPrimaryVidStream=NULL; m_pDDStream=NULL; m_pSample=NULL; //DirectDrawEx interfaces m_pDD=NULL; m_pDD3=NULL; m_pDDF=NULL; m_pPrimarySurface=NULL; m_pDDSOffscreen=NULL; m_pDDSOffscreen2=NULL; m_pDDClipper=NULL; // attach the view to the app (to easier interfacing) ((CMovieApp*)AfxGetApp())->OnViewChildCreated(this); } CMovieView::~CMovieView() { ExitCode(); } BOOL CMovieView::PreCreateWindow(CREATESTRUCT& cs) { // TODO: Modify the Window class or styles here by modifying // the CREATESTRUCT cs return CView::PreCreateWindow(cs); } ///////////////////////////////////////////////////////////////////////////// // CMovieView drawing void CMovieView::OnDraw(CDC* pDC) { CMovieDoc* pDoc = GetDocument(); ASSERT_VALID(pDoc); // draw a black background when the video is not yet loaded // so we are dealing with a video application and not a simple // MFC MDI type. if (!m_bFileLoaded) { CBrush brush; brush.CreateSolidBrush(RGB(0,0,0)); CRect rect; GetClientRect(&rect); pDC->FillRect(&rect,&brush); } } BOOL CMovieView::OnEraseBkgnd( CDC* pDC ) { return TRUE; } HRESULT CMovieView::InitDDrawEx() { HRESULT hr=NOERROR; DDSURFACEDESC ddsd, ddsd2, ddsd3; CoInitialize(NULL); //Create a DirectDrawFactory object hr = CoCreateInstance( CLSID_DirectDrawFactory, NULL, CLSCTX_INPROC_SERVER, IID_IDirectDrawFactory, (void **)&m_pDDF); if (FAILED(hr)) { AfxMessageBox(_T("Couldn't create DirectDrawFactory")); return E_FAIL; } //Call the IDirectDrawFactory::CreateDirectDraw method to create the //DirectDraw object, set the cooperative level, and get the address //of an IDirectDraw interface pointer hr = (m_pDDF->CreateDirectDraw(NULL, ::GetDesktopWindow(), DDSCL_NORMAL, NULL, NULL, &m_pDD)); if (FAILED(hr)) { AfxMessageBox(_T("Couldn't create DirectDraw object")); return E_FAIL; } //Now query for the new IDirectDraw3 interface hr =(m_pDD->QueryInterface(IID_IDirectDraw3, (LPVOID*)&m_pDD3)); if (FAILED(hr)) { AfxMessageBox(_T("Couldn't get IDirectDraw3")); return E_FAIL; } //Initialize the DDSURFACEDESC structure for the primary surface ::ZeroMemory(&ddsd, sizeof(ddsd)); ddsd.dwSize = sizeof(ddsd); ddsd.dwFlags = DDSD_CAPS; ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE; hr = m_pDD3->CreateSurface(&ddsd, &m_pPrimarySurface, NULL); if(FAILED(hr)) { AfxMessageBox(_T("Couldn't create Primary Surface")); return E_FAIL; } // Now, do the same for the offscreen surfaces. // The offscreen surface needs to use the same pixel format as the primary. // Query the primary surface to for its pixel format. hr = m_pPrimarySurface->GetSurfaceDesc(&ddsd); if(FAILED(hr)) { AfxMessageBox(_T("Couldn't GetSurfaceDesc")); return E_FAIL; } // Now, set the info for the offscreen surface #1, using the primary's pixel format. ::ZeroMemory(&ddsd2, sizeof(ddsd2)); ddsd2.dwSize = sizeof(ddsd2); ddsd2.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT; ddsd2.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN; ddsd2.dwHeight = ddsd.dwHeight; //set the height of the surfaces equal ddsd2.dwWidth = ddsd.dwWidth; //set the width of the surfaces equal ddsd2.ddpfPixelFormat = ddsd.ddpfPixelFormat; //set the pixel formats equal // Now, create the offscreen surface #1 and query for the latest interface. hr = m_pDD3->CreateSurface(&ddsd2, &m_pDDSOffscreen, NULL); if(FAILED(hr)) { AfxMessageBox(_T("Couldn't create Offscreen Surface")); return E_FAIL; } // Now, set the info for the offscreen surface #2, using the primary's pixel format. ::ZeroMemory(&ddsd3, sizeof(ddsd3)); ddsd3.dwSize = sizeof(ddsd3); ddsd3.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT; ddsd3.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN; ddsd3.dwHeight = ddsd.dwHeight; //set the height of the surfaces equal ddsd3.dwWidth = ddsd.dwWidth; //set the width of the surfaces equal ddsd3.ddpfPixelFormat = ddsd.ddpfPixelFormat; //set the pixel formats equal // Now, create the offscreen surface #2 and query for the latest interface. hr = m_pDD3->CreateSurface(&ddsd3, &m_pDDSOffscreen2, NULL); if(FAILED(hr)) { AfxMessageBox(_T("Couldn't create Offscreen Surface2")); return E_FAIL; } //Add code for Clipper hr = m_pDD3->CreateClipper(0, &m_pDDClipper, NULL); if(FAILED(hr)) { AfxMessageBox(_T("Couldn't create Clipper")); return E_FAIL; } hr = m_pPrimarySurface->SetClipper(m_pDDClipper); if(FAILED(hr)) { AfxMessageBox(_T("Call to SetClipper failed")); return E_FAIL; } hr = m_pDDClipper->SetHWnd(0, AfxGetMainWnd()->m_hWnd); if(FAILED(hr)) { AfxMessageBox(_T("Call to SetHWnd failed")); return E_FAIL; } return NOERROR; } //Renders a file to a multimedia stream HRESULT CMovieView::RenderFileToMMStream(LPCTSTR szFilename) //IMultiMediaStream **ppMMStream { IAMMultiMediaStream *pAMStream; HRESULT hr = CoCreateInstance(CLSID_AMMultiMediaStream, NULL, CLSCTX_INPROC_SERVER, IID_IAMMultiMediaStream, (void **)&pAMStream); if (FAILED(hr)) { return hr; } WCHAR wPath[MAX_PATH + 1]; MultiByteToWideChar(CP_ACP, 0, szFilename, -1, wPath, MAX_PATH + 1); pAMStream->Initialize(STREAMTYPE_READ, AMMSF_NOGRAPHTHREAD, NULL); pAMStream->AddMediaStream(m_pDD, &MSPID_PrimaryVideo, 0, NULL); pAMStream->AddMediaStream(NULL, &MSPID_PrimaryAudio, AMMSF_ADDDEFAULTRENDERER, NULL); hr = pAMStream->OpenFile(wPath, 0); if (SUCCEEDED(hr)) { hr = pAMStream->QueryInterface(IID_IMultiMediaStream, (void**)&m_pMMStream); } pAMStream->Release(); return hr; // return NOERROR; } //Crea