/*
* Single-threaded application that interleaves client servicing with taking
* pictures from the camera. This way, we do not update the framebuffer
* while an encoding is working on it too (banding, and image artifacts).
*/
int main(int argc,char** argv)
{
long usec;
rfbScreenInfoPtr server=rfbGetScreen(&argc,argv,WIDTH,HEIGHT,8,3,BPP);
if(!server)
return 0;
server->desktopName = "Live Video Feed Example";
server->frameBuffer=(char*)malloc(WIDTH*HEIGHT*BPP);
server->alwaysShared=(1==1);
/* Initialize the server */
rfbInitServer(server);
/* Loop, processing clients and taking pictures */
while (rfbIsActive(server)) {
if (TimeToTakePicture())
if (TakePicture((unsigned char *)server->frameBuffer))
rfbMarkRectAsModified(server,0,0,WIDTH,HEIGHT);
usec = server->deferUpdateTime*1000;
rfbProcessEvents(server,usec);
}
return(0);
}
bool PresentationServer::run() {
const long RFB_PROCESS_EVENTS_TIMEOUT_USEC = 20000;
//Server tot oder kein Client mehr da?
if (!_server || _server->clientHead == 0)
return false;
//Server runtergefahren?
if (!rfbIsActive(_server))
return false;
if (_capture) {
//5 Bilder / Sekunde machen
if (std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::high_resolution_clock::now() - _tick).count() > (1000 / _fps)) {
_capture->capture(_server);
_tick = std::chrono::high_resolution_clock::now();
}
}
rfbProcessEvents(_server, RFB_PROCESS_EVENTS_TIMEOUT_USEC);
// Soll die Präsentation
if (_useTimeOfDeath) {
if (std::chrono::system_clock::now() > _timeOfDeath)
return false;
}
return true; //Weitermachen
}
int main(int argc,char** argv)
{
rfbFontDataPtr font;
rfbScreenInfoPtr s=rfbGetScreen(&argc,argv,640,480,8,3,3);
int i,j;
s->frameBuffer=(char*)malloc(640*480*3);
rfbInitServer(s);
for(j=0;j<480;j++)
for(i=0;i<640;i++) {
s->frameBuffer[(j*640+i)*3+0]=j*256/480;
s->frameBuffer[(j*640+i)*3+1]=i*256/640;
s->frameBuffer[(j*640+i)*3+2]=(i+j)*256/(480+640);
}
rfbScreen = s;
font=rfbLoadConsoleFont(DEFAULTFONT);
if(!font) {
rfbErr("Couldn't find %s\n",DEFAULTFONT);
exit(1);
}
for(j=0;j<0 && rfbIsActive(s);j++)
rfbProcessEvents(s,900000);
i = rfbSelectBox(s,font,fontlist,10,20,200,300,0xffdfdf,0x602040,2,showFont);
rfbLog("Selection: %d: %s\n",i,(i>=0)?fontlist[i]:"cancelled");
rfbFreeFont(font);
free(s->frameBuffer);
rfbScreenCleanup(s);
return(0);
}
int main(int argc,char** argv)
{
rfbScreenInfoPtr rfbScreen =
rfbGetScreen(&argc,argv,maxx,maxy,8,3,bpp);
rfbScreen->desktopName = "LibVNCServer Example";
rfbScreen->frameBuffer = (char*)malloc(maxx*maxy*bpp);
rfbScreen->alwaysShared = TRUE;
rfbScreen->ptrAddEvent = doptr;
rfbScreen->kbdAddEvent = dokey;
rfbScreen->newClientHook = newclient;
rfbScreen->httpDir = "../classes";
rfbScreen->httpEnableProxyConnect = TRUE;
initBuffer((unsigned char*)rfbScreen->frameBuffer);
rfbDrawString(rfbScreen,&radonFont,20,100,"Hello, World!",0xffffff);
/* This call creates a mask and then a cursor: */
/* rfbScreen->defaultCursor =
rfbMakeXCursor(exampleCursorWidth,exampleCursorHeight,exampleCursor,0);
*/
MakeRichCursor(rfbScreen);
/* initialize the server */
rfbInitServer(rfbScreen);
#ifndef BACKGROUND_LOOP_TEST
#ifdef USE_OWN_LOOP
{
int i;
for(i=0;rfbIsActive(rfbScreen);i++) {
fprintf(stderr,"%d\r",i);
rfbProcessEvents(rfbScreen,100000);
}
}
#else
/* this is the blocking event loop, i.e. it never returns */
/* 40000 are the microseconds to wait on select(), i.e. 0.04 seconds */
rfbRunEventLoop(rfbScreen,40000,FALSE);
#endif /* OWN LOOP */
#else
#if !defined(LIBVNCSERVER_HAVE_LIBPTHREAD)
#error "I need pthreads for that."
#endif
/* this is the non-blocking event loop; a background thread is started */
rfbRunEventLoop(rfbScreen,-1,TRUE);
/* now we could do some cool things like rendering in idle time */
while(1) sleep(5); /* render(); */
#endif /* BACKGROUND_LOOP */
free(rfbScreen->frameBuffer);
rfbScreenCleanup(rfbScreen);
return(0);
}
int main(int argc,char **argv)
{
rfbScreenInfoPtr s;
double t1, t2;
double timeout;
int nread;
if (argc == 2)
v4l2str = argv[1];
printf("Using dev %s\n", v4l2str);
if (argc == 3)
v4l2fps = atoi(argv[2]);
printf("Using fps %d\n", v4l2fps);
if (open_v4l2() != 0)
exit(EXIT_FAILURE);
if (init_v4l2() != 0)
exit(EXIT_FAILURE);
if (alloc_mem() != 0)
exit(EXIT_FAILURE);
s = rfbGetScreen(&argc, argv, v4l2width, v4l2height, 8, 3, v4l2Bpp);
s->desktopName = "v4l2tovnc";
s->frameBuffer = (char *) v4l2buf;
s->serverFormat.blueShift = 0;
s->serverFormat.greenShift = 8;
s->serverFormat.redShift = 16;
timeout = 1.0 / v4l2fps;
rfbInitServer(s);
t1 = timestamp();
while (rfbIsActive(s)) {
t2 = timestamp();
if ((t2 - t1) >= timeout) {
nread = read_frame();
if (nread < 0)
break;
rfbMarkRectAsModified(s, 0, 0, v4l2width, v4l2height);
t1 = timestamp();
}
rfbProcessEvents(s, -1);
}
close_v4l2();
return 0;
}
static void* vnc_thread(void* args)
{
int i = 0;
int argc = 1;
int width = g_vnc_context.width;
int height = g_vnc_context.height;
char* argv[5] = {"FTKVNC", NULL};
rfbScreenInfoPtr rfbScreen = NULL;
ftk_logd("%s: vnc thread start.\n", __func__);
rfbScreen = rfbGetScreen(&argc, argv, width, height, 8, 4, 4);
rfbScreen->desktopName = "FTK VNC";
rfbScreen->alwaysShared = 0;
rfbScreen->frameBuffer = g_vnc_context.vnc_buffer;
rfbScreen->ptrAddEvent = on_pointer_event;
rfbScreen->kbdAddEvent = on_key_event;
rfbScreen->newClientHook = on_new_client;
rfbScreen->deferUpdateTime = 100;
rfbInitServer(rfbScreen);
g_vnc_context.rfbScreen = rfbScreen;
for(i=0; !g_vnc_context.quit && rfbIsActive(rfbScreen); i++)
{
if(g_vnc_context.client_nr > 0 && g_vnc_context.active)
{
if((i % 10) == 0)
{
rfbMarkRectAsModified(g_vnc_context.rfbScreen, 0, 0, width, height);
}
}
else
{
sleep(1);
}
rfbProcessEvents(rfbScreen, 200000);
}
ftk_logd("%s: vnc thread quit.\n", __func__);
rfbScreenCleanup(rfbScreen);
return NULL;
}
void rfbRunEventLoop(rfbScreenInfoPtr screen, long usec, rfbBool runInBackground)
{
if(runInBackground) {
#ifdef LIBVNCSERVER_HAVE_LIBPTHREAD
pthread_t listener_thread;
screen->backgroundLoop = TRUE;
pthread_create(&listener_thread, NULL, listenerRun, screen);
return;
#else
rfbErr("Can't run in background, because I don't have PThreads!\n");
return;
#endif
}
if(usec<0)
usec=screen->deferUpdateTime*1000;
while(rfbIsActive(screen))
rfbProcessEvents(screen,usec);
}
void WINAPI VNCServerThread(HVNC hVNC)
{
HVNC_HANDLE *lpHandle=VNCGetHandleInformation(hVNC);
if (!lpHandle)
return;
if (!SetThreadExecutionState(ES_CONTINUOUS+ES_SYSTEM_REQUIRED+ES_AWAYMODE_REQUIRED))
SetThreadExecutionState(ES_CONTINUOUS+ES_SYSTEM_REQUIRED);
SetThreadDesktopEx(hDefaultDesktop);
PHVNC lpServer=lpHandle->lpServer;
rfbScreenInfoPtr rfbScreen=lpServer->rfbScreen=rfbGetScreen(NULL,NULL,lpServer->DeskInfo.dwWidth,lpServer->DeskInfo.dwHeight,8,3,lpServer->DeskInfo.bBytesPerPixel);
if (!rfbScreen)
{
lpServer->bActive=false;
SetEvent(lpHandle->hEvent);
return;
}
rfbScreen->screenData=lpServer;
rfbScreen->desktopName=lpServer->DeskInfo.szDeskName;
rfbScreen->frameBuffer=(char*)lpServer->DIBInfo.lpOldBkgBits;
rfbScreen->alwaysShared=lpHandle->ConnInfo.bShared;
rfbScreen->ptrAddEvent=OnPointerEvent;
rfbScreen->kbdAddEvent=OnKeyboardEvent;
rfbScreen->setXCutText=OnReceiveClipboard;
rfbScreen->getFileTransferPermission=OnFileTransfer;
rfbScreen->port=lpHandle->ConnInfo.wVNCPort;
if (!(lpServer->DeskInfo.dwFlags & HVNC_NO_VNC_CURSOR))
SetXCursor(rfbScreen,&cur_arrow);
else
rfbScreen->cursor=NULL;
if ((lpHandle->ConnInfo.szBCHost[0]) && (lpHandle->ConnInfo.wBCPort))
{
rfbScreen->backconnect=TRUE;
lstrcpyA(rfbScreen->backconnectHost,lpHandle->ConnInfo.szBCHost);
rfbScreen->bcPort=lpHandle->ConnInfo.wBCPort;
}
if (lpHandle->ConnInfo.Passwords.dwPasswordsCount)
{
DWORD dwPasswordsCount=lpHandle->ConnInfo.Passwords.dwPasswordsCount;
PASSWORD_ITEM **lppPasswords=(PASSWORD_ITEM **)MemAlloc((dwPasswordsCount+1)*sizeof(PASSWORD_ITEM *));
for (DWORD i=0; i < dwPasswordsCount; i++)
{
lppPasswords[i]=(PASSWORD_ITEM*)MemAlloc(sizeof(PASSWORD_ITEM));
lppPasswords[i]->dwFlags=lpHandle->ConnInfo.Passwords.piPasswords[i].dwFlags;
lstrcpyA(lppPasswords[i]->szPassword,lpHandle->ConnInfo.Passwords.piPasswords[i].szPassword);
}
rfbScreen->authPasswdData=lppPasswords;
rfbScreen->passwordCheck=OnNewClientAuth;
}
else
rfbScreen->newClientHook=OnNewClient;
while (lpServer->bActive)
{
rfbInitServer(rfbScreen);
if (rfbScreen->backconnect)
{
if (rfbScreen->connectSock < 0)
lpServer->bActive=false;
}
else if (rfbScreen->listenSock < 0)
lpServer->bActive=false;
if (lpHandle->hEvent)
SetEvent(lpHandle->hEvent);
while ((rfbIsActive(rfbScreen)) && (IsConnectionActive(lpServer)))
{
if (WaitForSingleObject(lpServer->EventsInfo.hVNCKillEvent,0) != WAIT_TIMEOUT)
break;
if (!(lpServer->DeskInfo.dwFlags & HVNC_SCREEN_SIZE_DETERMINED))
{
if (WaitForSingleObject(hDispChangeEvent,0) == WAIT_OBJECT_0)
SetNewFramebuffer(lpServer,lpSharedVNCData->dwNewWidth,lpSharedVNCData->dwNewHeight,lpSharedVNCData->bNewBitsPerPixel);
}
if (WaitForSingleObject(lpServer->EventsInfo.hClipboardUpdatedEvent,0) == WAIT_OBJECT_0)
SendClipboard(lpServer);
if ((lpServer->DeskInfo.bInputDesktop) && (lpServer->EventsInfo.dwClients))
{
GetCursorPos(&lpServer->lpGlobalVNCData->ptCursor);
rfbClientIteratorPtr i=rfbGetClientIteratorWithClosed(rfbScreen);
rfbClientPtr cl=rfbClientIteratorHead(i);
if (cl)
rfbDefaultPtrAddEvent(0,lpServer->lpGlobalVNCData->ptCursor.x,lpServer->lpGlobalVNCData->ptCursor.y,cl);
rfbReleaseClientIterator(i);
}
rfbProcessEvents(rfbScreen,1000);
}
if (WaitForSingleObject(lpServer->EventsInfo.hVNCKillEvent,0) != WAIT_TIMEOUT)
break;
VNCDisconnectAllUsers(hVNC);
rfbShutdownServer(rfbScreen,TRUE);
if (lpServer->rfbScreen->backconnect)
{
DWORD dwTickCount=GetTickCount();
if (dwTickCount-lpServer->dwLastReconnectionTime <= 1000)
{
if (++lpServer->dwReconnectionsCount >= MAX_RECONNECTIONS_PER_SECOND)
{
lpServer->bActive=false;
break;
}
}
else
lpServer->dwReconnectionsCount=0;
lpServer->dwLastReconnectionTime=dwTickCount;
}
rfbScreen->socketState=RFB_SOCKET_INIT;
Sleep(1);
}
return;
}
int main(int argc,char** argv)
{
long usec;
int port = -1;
rfbScreenInfoPtr server = NULL;
char* authData[2] = { NULL, NULL};
int width = -1;
int height = -1;
int left = -1;
int top = -1;
BOOL ro = TRUE;
if((argc != 7) && (argc != 8))
{
printf("Usage: WinLibVNCServer <left> <top> <width> <height> <port> <password> [/manage]");
return -1;
}
left = atoi(argv[1]);
if(!left && strcmp(argv[1], "0")) left = -1;
top = atoi(argv[2]);
if(!top && strcmp(argv[2], "0")) top = -1;
width = (atoi(argv[3]) / 4)*4;
height = atoi(argv[4]);
port = atoi(argv[5]);
authData[0] = argv[6];
if((left < 0) || (top < 0) || (width <= 0) || (height <= 0) || (port <=0))
{
printf("Invalid command line parameter(s)");
return -1;
}
if(8 == argc)
{
if(stricmp(argv[7], "/manage"))
{
printf("Invalid command line parameter(s)");
return -1;
}
else
{
ro = FALSE;
}
}
if(!winInitScreenCapture(left, top, width, height))
return 0;
server = rfbGetScreen(&argc, argv, width, height, 8, 3, BPP);
if(!server)
return 0;
server->port = port;
server->passwordCheck = rfbCheckPasswordByList;
server->authPasswdData = authData;
server->desktopName = "WinLibVNCServer";
server->frameBuffer = (char*)malloc(width*height*BPP);
server->alwaysShared = (1==1);
if(!ro)
{
winInitPointerHandler(rfbDefaultPtrAddEvent, left, top);
server->ptrAddEvent = winPtrAddEvent;
}
/* Initialize the server */
rfbInitServer(server);
StartCounter();
/* Loop, processing clients and taking pictures */
while (rfbIsActive(server)) {
int picturetaken = 0;
if (picturetaken = TimeToTakePicture())
{
prevTimeSShot = GetCounter();
if (winTakePicture32((unsigned char *)server->frameBuffer))
rfbMarkRectAsModified(server, 0, 0, width, height);
prevTimeStats = currTimeSShot = GetCounter();
fprintf(stderr,"Screen capture: %5.2f ms,"
" events: %5.2f ms,"
" printf(): %5.2f ms\r",
currTimeSShot - prevTimeSShot,
timeEvents, timeStats);
timeStats = GetCounter() - prevTimeStats;
}
if(picturetaken)
timeEvents = GetCounter();
usec = server->deferUpdateTime*1000;
rfbProcessEvents(server,usec);
if(picturetaken) timeEvents = GetCounter() - timeEvents;
}
winShutdownScreenCapture();
return(0);
}
/****************************************************************************
* based on:
* https://code.google.com/p/android-vnc-server/source/browse/trunk/fbvncserver.c#381
* GPLv2+
****************************************************************************/
void ScreenToVnc::grapFrame()
{
if (rfbIsActive(m_server) && m_server->clientHead != NULL){
unsigned int *f, *c, *r;
int x, y;
int min_x = 99999;
int min_y = 99999;
int max_x = -1;
int max_y = -1;
bool bufferChanged = false;
f = (unsigned int *)m_fbmmap; /* -> framebuffer */
c = (unsigned int *)m_compareFrameBuffer; /* -> compare framebuffer */
r = (unsigned int *)m_server->frameBuffer; /* -> remote framebuffer */
struct fb_var_screeninfo scrinfo;
ioctl(m_fbfd, FBIOGET_VSCREENINFO, &scrinfo);
int offset = (scrinfo.xres + m_xPadding) * scrinfo.yoffset;
for (y = 0; y < m_scrinfo.yres; y++)
{
for (x = 0; x < (m_scrinfo.xres + m_xPadding); x++)
{
unsigned int pixel = *(f + offset);
if (pixel != *c)
{
*c = pixel;
*r = pixel;
bufferChanged = true;
if (x < min_x)
min_x = x;
if (y < min_y)
min_y = y;
if (x > max_x)
max_x = x;
if (y > max_y)
max_y = y;
}
f++, c++;
r++;
}
}
if (bufferChanged)
{
// LOG() << "Dirty page:" << min_x << "x"
// << min_y << "x"
// << max_x << "x"
// << max_y;
// TODO: somewhere we are off by one?
rfbMarkRectAsModified(m_server, min_x, min_y, max_x+1, max_y+1);
}
// TODO: make the 500ms configurable?!
qint64 now = QDateTime::currentMSecsSinceEpoch();
if (!isEmptyMouse && now - lastPointerMove > 500) {
makeEmptyMouse(m_server);
}
}
}
