PLAYIT.CPP

//==========================================================================; 
// 
//  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) 1992 - 1997  Microsoft Corporation.  All Rights Reserved. 
// 
//--------------------------------------------------------------------------; 
// 
//   Trivial player console application 
// 
//   Function: 
//       Plays a movie file with options for 
//       --  Playing full screen 
//       --  Playing on top of normal windows 
//       --  Delaying start time 
//       Exits when movie playback is complete 
//       NO user interface 
// 
//   Usage: playit [-f] [-t] [-delay nsecs] foo.bar\n 
 
#include <windows.h> 
#include <strmif.h> 
#include <uuids.h> 
#include <control.h> 
#include <stdio.h> 
 
BOOL bMax = FALSE; 
BOOL bOnTop = FALSE; 
DWORD dwDelay = 0; 
 
HRESULT PlayMovie(LPSTR lpszMovie) 
{ 
    int iLen = MultiByteToWideChar( 
                      CP_ACP, 
                      MB_PRECOMPOSED, 
                      lpszMovie, 
                      -1, 
                      NULL, 
                      0); 
    LPWSTR lpwszMovie = new WCHAR[iLen + 1]; 
    MultiByteToWideChar( 
        CP_ACP, 
        MB_PRECOMPOSED, 
        lpszMovie, 
        -1, 
        lpwszMovie, 
        iLen + 1); 
 
    HRESULT hr = S_OK; 
    IMediaControl *pMC = NULL; 
    hr = CoCreateInstance(CLSID_FilterGraph, 
                          NULL, 
                          CLSCTX_INPROC, 
                          IID_IMediaControl, 
                          (void **)&pMC); 
 
    IVideoWindow *pVW = NULL; 
    IGraphBuilder *pGB = NULL; 
    IMediaEventEx *pME; 
    if (SUCCEEDED(hr)) { 
        hr = pMC->QueryInterface(IID_IVideoWindow, (void **)&pVW); 
    } 
 
    if (SUCCEEDED(hr)) { 
        hr = pMC->QueryInterface(IID_IGraphBuilder, (void **)&pGB); 
    } 
    if (SUCCEEDED(hr)) { 
        hr = pMC->QueryInterface(IID_IMediaEventEx, (void **)&pME); 
    } 
 
    if (SUCCEEDED(hr)) { 
        pVW->put_Visible(0); 
        pVW->put_AutoShow(0); 
        hr = pGB->RenderFile(lpwszMovie, NULL); 
        Sleep(dwDelay * 1000); 
    } 
 
    if (bMax) { 
        if (SUCCEEDED(hr)) { 
            pVW->put_FullScreenMode(-1); 
        } 
    } 
 
    if (bOnTop) { 
        long ExStyle; 
        if (SUCCEEDED(pVW->get_WindowStyleEx(&ExStyle))) { 
            pVW->put_WindowStyleEx(ExStyle | WS_EX_TOPMOST); 
        } 
    } 
 
 
    if (SUCCEEDED(hr)) { 
        pMC->Pause(); 
        pVW->put_Visible(-1); 
        hr = pMC->Run(); 
    } 
 
    if (SUCCEEDED(hr)) { 
        long evCode; 
        hr = pME->WaitForCompletion(INFINITE, &evCode); 
    } 
 
    if (pMC) { 
        pMC->Release(); 
    } 
    if (pVW) { 
        pVW->Release(); 
    } 
    if (pGB) { 
        pGB->Release(); 
    } 
    if (pME) { 
        pME->Release(); 
    } 
    return hr; 
} 
 
int _cdecl main(int argc, char *argv[]) 
{ 
    argv++; 
    while (argc > 2) { 
        if (0 == lstrcmpi(argv[0], "-t")) { 
            bOnTop = TRUE; 
            argc--; 
            argv++; 
        } else 
        if (0 == lstrcmpi(argv[0], "-f")) { 
            bMax = TRUE; 
            argc--; 
            argv++; 
        } else  
        if (argc > 3 && 0 == lstrcmpi(argv[0], "-delay")) { 
            dwDelay = atoi(argv[1]); 
            argc -= 2; 
            argv += 2; 
        } else { 
            break; 
        } 
    } 
    if (argc != 2) { 
        printf("Usage playit [-f] [-t] [-delay nsecs] foo.bar\n"); 
        exit(0); 
    } 
    CoInitialize(NULL); 
    PlayMovie(argv[0]); 
    CoUninitialize(); 
    return 1; 
}