C++ (Cpp) x11_shadow_screen_grab Beispiele

Beispiel #1

Datei: x11_shadow.c Projekt: apprisi/FreeRDP

void* x11_shadow_subsystem_thread(x11ShadowSubsystem* subsystem)
{
	int fps;
	XEvent xevent;
	DWORD status;
	DWORD nCount;
	UINT64 cTime;
	DWORD dwTimeout;
	DWORD dwInterval;
	UINT64 frameTime;
	HANDLE events[32];
	HANDLE StopEvent;

	StopEvent = subsystem->server->StopEvent;

	nCount = 0;
	events[nCount++] = StopEvent;
	events[nCount++] = subsystem->event;

	fps = 16;
	dwInterval = 1000 / fps;
	frameTime = GetTickCount64() + dwInterval;

	while (1)
	{
		cTime = GetTickCount64();
		dwTimeout = (cTime > frameTime) ? 0 : frameTime - cTime;

		status = WaitForMultipleObjects(nCount, events, FALSE, dwTimeout);

		if (WaitForSingleObject(StopEvent, 0) == WAIT_OBJECT_0)
		{
			break;
		}

		if (WaitForSingleObject(subsystem->event, 0) == WAIT_OBJECT_0)
		{
			XNextEvent(subsystem->display, &xevent);
			x11_shadow_handle_xevent(subsystem, &xevent);
		}

		if ((status == WAIT_TIMEOUT) || (GetTickCount64() > frameTime))
		{
			x11_shadow_query_cursor(subsystem, FALSE);
			x11_shadow_screen_grab(subsystem);

			dwInterval = 1000 / fps;
			frameTime += dwInterval;
		}
	}

	ExitThread(0);
	return NULL;
}

Beispiel #2

Datei: x11_shadow.c Projekt: DavBfr/FreeRDP

void* x11_shadow_subsystem_thread(x11ShadowSubsystem* subsystem)
{
	XEvent xevent;
	DWORD status;
	DWORD nCount;
	UINT64 cTime;
	DWORD dwTimeout;
	DWORD dwInterval;
	UINT64 frameTime;
	HANDLE events[32];
	wMessage message;
	wMessagePipe* MsgPipe;

	MsgPipe = subsystem->MsgPipe;

	nCount = 0;
	events[nCount++] = subsystem->event;
	events[nCount++] = MessageQueue_Event(MsgPipe->In);

	subsystem->captureFrameRate = 16;
	dwInterval = 1000 / subsystem->captureFrameRate;
	frameTime = GetTickCount64() + dwInterval;

	while (1)
	{
		cTime = GetTickCount64();
		dwTimeout = (cTime > frameTime) ? 0 : frameTime - cTime;

		status = WaitForMultipleObjects(nCount, events, FALSE, dwTimeout);

		if (WaitForSingleObject(MessageQueue_Event(MsgPipe->In), 0) == WAIT_OBJECT_0)
		{
			if (MessageQueue_Peek(MsgPipe->In, &message, TRUE))
			{
				if (message.id == WMQ_QUIT)
					break;

				x11_shadow_subsystem_process_message(subsystem, &message);
			}
		}

		if (WaitForSingleObject(subsystem->event, 0) == WAIT_OBJECT_0)
		{
			XLockDisplay(subsystem->display);

			if (XEventsQueued(subsystem->display, QueuedAlready))
			{
				XNextEvent(subsystem->display, &xevent);
				x11_shadow_handle_xevent(subsystem, &xevent);
			}

			XUnlockDisplay(subsystem->display);
		}

		if ((status == WAIT_TIMEOUT) || (GetTickCount64() > frameTime))
		{
			x11_shadow_check_resize(subsystem);
			x11_shadow_screen_grab(subsystem);
			x11_shadow_query_cursor(subsystem, FALSE);

			dwInterval = 1000 / subsystem->captureFrameRate;
			frameTime += dwInterval;
		}
	}

	ExitThread(0);
	return NULL;
}