void OpenClip()
{
HRESULT hr;
// If no filename specified by command line, show file open dialog
if(g_szFileName[0] == L'\0')
{
TCHAR szFilename[MAX_PATH];
InitPlayerWindow();
SetForegroundWindow(ghApp);
if (! GetClipFileName(szFilename))
{
DWORD dwDlgErr = CommDlgExtendedError();
// Don't show output if user cancelled the selection (no dlg error)
if (dwDlgErr)
{
Msg(TEXT("GetClipFileName Failed! Error=0x%x\r\n"), GetLastError());
}
return;
}
// This sample does not support playback of ASX playlists.
// Since this could be confusing to a user, display a warning
// message if an ASX file was opened.
if (_tcsnicmp(szFilename, TEXT(".asx"), 4) == 0)
{
Msg(TEXT("ASX Playlists are not supported by this application.\n\n")
TEXT("Please select a valid media file.\0"));
return;
}
hr = StringCchCopy(g_szFileName, NUMELMS(g_szFileName), szFilename);
if (FAILED(hr))
{
return;
}
}
EnableTickerMenu(TRUE);
// Start playing the media file
hr = PlayMovieInWindow(g_szFileName);
// If we couldn't play the clip, clean up
if (FAILED(hr))
CloseClip();
}
void CloseClip()
{
HRESULT hr;
// Stop media playback
if(pMC)
hr = pMC->Stop();
// Free DirectShow interfaces
CloseInterfaces();
// Clear file name to allow selection of new file with open dialog
g_szFileName[0] = L'\0';
// Reset the player window
RECT rect;
GetClientRect(ghApp, &rect);
InvalidateRect(ghApp, &rect, TRUE);
InitPlayerWindow();
EnableTickerMenu(FALSE);
}
int PASCAL WinMain(HINSTANCE hInstC, HINSTANCE hInstP, LPSTR lpCmdLine, int nCmdShow)
{
MSG msg={0};
WNDCLASS wc;
USES_CONVERSION;
// Initialize COM
if(FAILED(CoInitializeEx(NULL, COINIT_APARTMENTTHREADED)))
{
Msg(TEXT("CoInitialize Failed!\r\n"));
return FALSE;
}
// Verify that the VMR is present on this system
if(!VerifyVMR())
return FALSE;
// Was a filename specified on the command line?
if(lpCmdLine[0] != '\0')
{
USES_CONVERSION;
_tcsncpy(g_szFileName, A2T(lpCmdLine), NUMELMS(g_szFileName));
}
// Register the window class
ZeroMemory(&wc, sizeof wc);
ghInst = wc.hInstance = hInstC;
wc.lpfnWndProc = WndMainProc;
wc.lpszClassName = CLASSNAME;
wc.lpszMenuName = MAKEINTRESOURCE(IDR_MENU);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hIcon = LoadIcon(hInstC, MAKEINTRESOURCE(IDI_TICKER));
if(!RegisterClass(&wc))
{
Msg(TEXT("RegisterClass Failed! Error=0x%x\r\n"), GetLastError());
CoUninitialize();
exit(1);
}
// Create the main window. The WS_CLIPCHILDREN style is required.
ghApp = CreateWindow(CLASSNAME, APPLICATIONNAME,
WS_OVERLAPPEDWINDOW | WS_CAPTION | WS_CLIPCHILDREN | WS_VISIBLE,
CW_USEDEFAULT, CW_USEDEFAULT,
DEFAULT_PLAYER_WIDTH, DEFAULT_PLAYER_HEIGHT,
0, 0, ghInst, 0);
if(ghApp)
{
// Save menu handle for later use
ghMenu = GetMenu(ghApp);
EnableTickerMenu(FALSE);
// Set default dynamic text if user wants to display dynamic text
// instead of a static bitmap image
_tcsncpy(g_szAppText, BLEND_TEXT, NUMELMS(g_szAppText));
g_dwTickerFlags = DEFAULT_MARK;
// If a media file was specified on the command line, open it now.
// (If the first character in the string isn't NULL, post an open clip message.)
if (g_szFileName[0] != 0)
PostMessage(ghApp, WM_COMMAND, ID_FILE_INITCLIP, 0);
// Main message loop
while(GetMessage(&msg,NULL,0,0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
else
{
Msg(TEXT("Failed to create the main window! Error=0x%x\r\n"), GetLastError());
}
// Finished with COM
CoUninitialize();
return (int) msg.wParam;
}
