/**
** Wait for interactive input event.
**
** Handles X11 events, keyboard, mouse.
** Video interrupt for sync.
** Network messages.
** Sound queue.
**
** We must handle atlast one X11 event
**
** FIXME: the initialition could be moved out of the loop
*/
global void WaitEventsAndKeepSync(void)
{
#if 0
int connection;
int sound;
fd_set readfd;
fd_set writefd;
int maxfd;
sound=0;
for( ;; ) {
if( XPending(TheDisplay) ) {
DoEvent();
}
if( VideoInterrupts ) {
return;
}
FD_ZERO(&readfd);
maxfd=connection=ConnectionNumber(TheDisplay);
FD_SET(connection,&readfd);
FD_ZERO(&writefd);
#ifndef USE_THREAD
if( !SoundOff && (sound=SoundFildes)!=-1 ) {
if( sound>maxfd ) {
maxfd=sound;
}
FD_SET(sound,&writefd);
}
#else
if( !SoundOff && !SoundThreadRunning && (sound=SoundFildes)!=-1 ) {
if( sound>maxfd ) {
maxfd=sound;
}
FD_SET(sound,&writefd);
}
#endif
if( NetworkFildes!=-1 ) {
if( NetworkFildes>maxfd ) {
maxfd=NetworkFildes;
}
FD_SET(NetworkFildes,&readfd);
}
maxfd=select(maxfd+1,&readfd,&writefd,0,0);
if( VideoInterrupts ) {
return;
}
if( maxfd!=-1 ) {
#ifndef USE_THREAD
if( !SoundOff && sound!=-1 && FD_ISSET(sound,&writefd) ) {
WriteSound();
continue;
}
#else
if( !SoundOff && !SoundThreadRunning && sound!=-1
&& FD_ISSET(sound,&writefd) ) {
WriteSound();
continue;
}
#endif
if( NetworkFildes!=-1 && FD_ISSET(NetworkFildes,&readfd) ) {
NetworkEvent();
continue;
}
DoEvent();
}
}
#endif
struct timeval tv;
fd_set rfds;
fd_set wfds;
int maxfd;
int* xfd;
int n;
int i;
int morex;
int connection;
connection=ConnectionNumber(TheDisplay);
for( ;; ) {
//
// Prepare select
//
tv.tv_sec=0;
tv.tv_usec=0;
FD_ZERO(&rfds);
FD_ZERO(&wfds);
maxfd=0;
//
// X11 how many events already in que
//
xfd=NULL;
morex=XQLength(TheDisplay);
if( !morex ) {
//
// X11 connections number
//
maxfd=connection;
FD_SET(connection,&rfds);
//
// Get all X11 internal connections
//
if( !XInternalConnectionNumbers(TheDisplay,&xfd,&n) ) {
DebugLevel0(__FUNCTION__": out of memory\n");
abort();
}
for( i=n; i--; ) {
FD_SET(xfd[i],&rfds);
if( xfd[i]>maxfd ) {
maxfd=xfd[i];
}
}
}
//
// Network
//
if( NetworkFildes!=-1 ) {
if( NetworkFildes>maxfd ) {
maxfd=NetworkFildes;
}
FD_SET(NetworkFildes,&rfds);
}
//
// Sound
//
if( !SoundOff && !SoundThreadRunning ) {
if( SoundFildes>maxfd ) {
maxfd=SoundFildes;
}
FD_SET(SoundFildes,&wfds);
}
maxfd=select(maxfd+1,&rfds,&wfds,NULL,morex ? &tv : NULL);
//
// X11
//
if( maxfd>0 ) {
if( !morex ) {
for( i=n; i--; ) {
if( FD_ISSET(xfd[i],&rfds) ) {
XProcessInternalConnection(TheDisplay,xfd[i]);
}
}
XFree(xfd);
if( FD_ISSET(connection,&rfds) ) {
XEventsQueued(TheDisplay,QueuedAfterReading);
}
morex=XQLength(TheDisplay);
}
}
if( morex ) { // handle new + *OLD* x11 events
DoEvent();
}
if( maxfd>0 ) {
//
// Network
//
if( NetworkFildes!=-1 && FD_ISSET(NetworkFildes,&rfds) ) {
NetworkEvent();
}
//
// Network in sync and time for frame over: return
//
if( !morex && NetworkInSync && VideoInterrupts ) {
return;
}
//
// Sound
//
if( !SoundOff && !SoundThreadRunning
&& FD_ISSET(SoundFildes,&wfds) ) {
WriteSound();
}
}
//
// Network in sync and time for frame over: return
//
if( !morex && NetworkInSync && VideoInterrupts ) {
return;
}
}
}
/**
** Wait for interactive input event.
**
** Handles X11 events, keyboard, mouse.
** Video interrupt for sync.
** Network messages.
** Sound queue.
**
** We must handle atlast one X11 event
**
** FIXME: the initialition could be moved out of the loop
*/
global void WaitEventsAndKeepSync(void)
{
#ifndef USE_WIN32
struct timeval tv;
fd_set rfds;
fd_set wfds;
int maxfd;
#endif
SDL_Event event[1];
for(;;) {
// Not very nice, but this is the problem if you use other libraries
// The event handling of SDL is very buggy and wrong designed.
if( SDL_PollEvent(event) ) {
// Handle SDL event
DoEvent(event);
} else {
#ifndef USE_WIN32
//
// Prepare select
//
tv.tv_sec=0;
tv.tv_usec=0;
FD_ZERO(&rfds);
FD_ZERO(&wfds);
maxfd=0;
//
// Network
//
if( NetworkFildes!=-1 ) {
if( NetworkFildes>maxfd ) {
maxfd=NetworkFildes;
}
FD_SET(NetworkFildes,&rfds);
}
//
// Sound
//
if( !SoundOff && !SoundThreadRunning ) {
if( SoundFildes>maxfd ) {
maxfd=SoundFildes;
}
FD_SET(SoundFildes,&wfds);
}
maxfd=select(maxfd+1,&rfds,&wfds,NULL
,SDL_PollEvent(NULL) ? &tv : NULL);
if( maxfd>0 ) {
//
// Network
//
if( NetworkFildes!=-1 && FD_ISSET(NetworkFildes,&rfds) ) {
NetworkEvent();
}
//
// Network in sync and time for frame over: return
//
if( NetworkInSync && VideoInterrupts ) {
return;
}
//
// Sound
//
if( !SoundOff && !SoundThreadRunning
&& FD_ISSET(SoundFildes,&wfds) ) {
WriteSound();
}
}
#endif
}
//
// Network in sync and time for frame over: return
//
if(NetworkInSync && VideoInterrupts) {
return;
}
}
}
/**
* Update the video, audio, and input subsystems with the provided
* video (XBuf) and audio (Buffer) information.
*/
void
FCEUD_Update(uint8 *XBuf,
int32 *Buffer,
int Count)
{
extern int FCEUDnetplay;
#ifdef CREATE_AVI
if(LoggingEnabled == 2 || (eoptions&EO_NOTHROTTLE))
{
if(LoggingEnabled == 2)
{
int16* MonoBuf = new int16[Count];
int n;
for(n=0; n<Count; ++n)
MonoBuf[n] = Buffer[n] & 0xFFFF;
NESVideoLoggingAudio
(
MonoBuf,
FSettings.SndRate, 16, 1,
Count
);
delete [] MonoBuf;
}
Count /= 2;
if(inited & 1)
{
if(Count > GetWriteSound()) Count = GetWriteSound();
if (!mutecapture)
if(Count > 0 && Buffer) WriteSound(Buffer,Count);
}
if(inited & 2)
FCEUD_UpdateInput();
if(XBuf && (inited & 4)) BlitScreen(XBuf);
//SpeedThrottle();
return;
}
#endif
int ocount = Count;
// apply frame scaling to Count
Count = (int)(Count / g_fpsScale);
if(Count) {
int32 can=GetWriteSound();
static int uflow=0;
int32 tmpcan;
// don't underflow when scaling fps
if(can >= GetMaxSound() && g_fpsScale==1.0) uflow=1; /* Go into massive underflow mode. */
if(can > Count) can=Count;
else uflow=0;
#ifdef CREATE_AVI
if (!mutecapture)
#endif
WriteSound(Buffer,can);
//if(uflow) puts("Underflow");
tmpcan = GetWriteSound();
// don't underflow when scaling fps
if(g_fpsScale>1.0 || ((tmpcan < Count*0.90) && !uflow)) {
if(XBuf && (inited&4) && !(NoWaiting & 2))
BlitScreen(XBuf);
Buffer+=can;
Count-=can;
if(Count) {
if(NoWaiting) {
can=GetWriteSound();
if(Count>can) Count=can;
#ifdef CREATE_AVI
if (!mutecapture)
#endif
WriteSound(Buffer,Count);
} else {
while(Count>0) {
#ifdef CREATE_AVI
if (!mutecapture)
#endif
WriteSound(Buffer,(Count<ocount) ? Count : ocount);
Count -= ocount;
}
}
}
} //else puts("Skipped");
else if(!NoWaiting && FCEUDnetplay && (uflow || tmpcan >= (Count * 1.8))) {
if(Count > tmpcan) Count=tmpcan;
while(tmpcan > 0) {
// printf("Overwrite: %d\n", (Count <= tmpcan)?Count : tmpcan);
#ifdef CREATE_AVI
if (!mutecapture)
#endif
WriteSound(Buffer, (Count <= tmpcan)?Count : tmpcan);
tmpcan -= Count;
}
}
} else {
if(!NoWaiting && (!(eoptions&EO_NOTHROTTLE) || FCEUI_EmulationPaused()))
while (SpeedThrottle())
{
FCEUD_UpdateInput();
}
if(XBuf && (inited&4)) {
BlitScreen(XBuf);
}
}
FCEUD_UpdateInput();
//if(!Count && !NoWaiting && !(eoptions&EO_NOTHROTTLE))
// SpeedThrottle();
//if(XBuf && (inited&4))
//{
// BlitScreen(XBuf);
//}
//if(Count)
// WriteSound(Buffer,Count,NoWaiting);
//FCEUD_UpdateInput();
}
