C++ (Cpp) init_dshow Examples

Example #1

File: demux_dshow.c Project: WilliamRen/mplayer-ww

static int dshow_check_file(demuxer_t *demuxer)
{
    if (!demuxer->filename)
		return 0;

    mp_msg(MSGT_DEMUX, MSGL_V, "dshow demuxer: Checking for DirectShow media\n");

	if(!init_dshow())
		return 0;

    return DEMUXER_TYPE_DSHOW;
}

Example #2

File: demux_dshow.c Project: WilliamRen/mplayer-ww

static int dshow_check_file_preferred(demuxer_t *demuxer)
{
	if(!force_dshow_demux && !open_with_dshow_demux)
		return 0;

	open_with_dshow_demux = 0;

    if (!demuxer->filename)
		return 0;

    mp_msg(MSGT_DEMUX, MSGL_V, "dshow pref demuxer: Checking for DirectShow media\n");

	if(!init_dshow())
		return 0;

    return DEMUXER_TYPE_DSHOW_PREFERRED;
}

Example #3

File: dshow.cpp Project: ABratovic/open-watcom-v2

//---------------------------------------------------------------------------------------
// WinMain
//---------------------------------------------------------------------------------------
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
	WNDCLASSEX clas;
	MSG msg;
	int style;
	RECT rect;

	//need COM for DirectShow
	CoInitializeEx(NULL, COINIT_MULTITHREADED); 

	//Here we create the Class we named above
	clas.cbSize = sizeof(WNDCLASSEX);
	clas.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
	clas.lpfnWndProc = WindowProc;//<- tell it where the WindowProc is
	clas.cbClsExtra = 0;
	clas.cbWndExtra = 0;
	clas.hInstance = hInstance;
	clas.hIcon = NULL;
	clas.hCursor = NULL;
	clas.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);//<- background colour of window
	clas.lpszMenuName = NULL;
	clas.lpszClassName = game_class;//<- the class name
	clas.hIconSm = 0;
	//do it!
	RegisterClassEx(&clas);

	//style of the window - what boxes do we need (close minimised etc)
	style = WS_CAPTION|WS_SYSMENU|WS_MAXIMIZEBOX|WS_MINIMIZEBOX;
	//create the window
	game_window = CreateWindowEx(0, game_class, "DirectShow", style, CW_USEDEFAULT, CW_USEDEFAULT, 1,1, NULL, NULL, hInstance, 0);

	//adjust the window size so that a SCREEN_X x SCREEN_Y window will fit inside its frame
	rect.left = rect.top = 0;
	rect.right = SCREEN_X;
	rect.bottom = SCREEN_Y;
	AdjustWindowRectEx(&rect, style , FALSE, 0);
	SetWindowPos(game_window, NULL, 0,0, rect.right - rect.left, rect.bottom - rect.top, SWP_NOMOVE|SWP_NOZORDER);

	//show the window on the desktop
	ShowWindow(game_window, nCmdShow);

	char filename[_MAX_PATH];
	OPENFILENAME ofn;
	BOOL res;

	filename[0] = '\0';
	ofn.lStructSize = sizeof(OPENFILENAME); 
	ofn.hwndOwner = NULL; 
	ofn.hInstance = NULL;
	ofn.lpstrFilter = "AVI Files\0*.avi\0"; 
	ofn.lpstrCustomFilter = NULL; 
	ofn.nMaxCustFilter = 0; 
	ofn.nFilterIndex = 0; 
	ofn.lpstrFile = filename; 
	ofn.nMaxFile = _MAX_PATH; 
	ofn.lpstrFileTitle = NULL; 
	ofn.nMaxFileTitle = 0; 
	ofn.lpstrInitialDir = NULL; 
	ofn.lpstrTitle = "Select Video File"; 
	ofn.Flags = OFN_FILEMUSTEXIST|OFN_EXPLORER; 
	ofn.nFileOffset=0; 
	ofn.nFileExtension=0; 
	ofn.lpstrDefExt="bin"; 
	ofn.lCustData=0; 
	ofn.lpfnHook=NULL; 
	ofn.lpTemplateName=""; 

	res = GetOpenFileName(&ofn);
	if (res == 0)
		return 0;

	if (init_dshow(ctowc(filename), IN_OWN_WINDOW)==0)
	{
		MessageBox(NULL, "A problem occurred creating the DirectShow FilterGraph.\nCheck your video CODECs and "
							"DirectX version.\nThis demo requires DirectX9.0 or better.", "DirectX Initialisation Error", MB_ICONWARNING|MB_OK);
		shutdown_dshow();
		return 0;
	}

	//message processing loop
	//all Windows programs have one of these.  It receives the messages Windows sends to the program and
	//passes them to the WindowProc in the Class we registered for the window.
	quit = 0;
	do
	{
		//Are there any messages waiting?
		while (PeekMessage(&msg, game_window, 0, 0, PM_NOREMOVE))
		{
			//yes!  read it.
			if (GetMessage(&msg, game_window, 0,0) < 0)
				break;

			//pass the message to WindowProc
			TranslateMessage(&msg);
			DispatchMessage(&msg);
		}

	} while (!quit);

	shutdown_dshow();

	CoUninitialize();

	return 0;
}