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Use service thread for "true" multimedia timers. 

Removed implementation of fake multimedia timers.
Set minimum resolution to 10 ms (the timing resolution of the Linux
kernel). Fixed a couple of flaws.
This commit is contained in:
Ove Kaaven 1999-05-22 10:32:43 +00:00 committed by Alexandre Julliard
parent 155168eb6d
commit 1a22964240
1 changed files with 13 additions and 65 deletions
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68
multimedia/time.c
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@ -14,14 +14,13 @@
#include "callback.h"
#include "mmsystem.h"
#include "xmalloc.h"
#include "services.h"
#include "options.h"
#include "debugtools.h"
DECLARE_DEBUG_CHANNEL(mmsys)
DECLARE_DEBUG_CHANNEL(mmtime)
#define USE_FAKE_MM_TIMERS
static MMTIME16 mmSysTimeMS;
static MMTIME16 mmSysTimeSMPTE;
@ -39,12 +38,7 @@ typedef struct tagTIMERENTRY {
} TIMERENTRY, *LPTIMERENTRY;
static LPTIMERENTRY lpTimerList = NULL;
#ifdef USE_FAKE_MM_TIMERS
static DWORD dwLastCBTick = 0;
static BOOL bUseFakeTimers = FALSE;
static WORD wInCallBackLoop = 0;
#endif
static HANDLE hMMTimer;
/*
* FIXME
@ -52,7 +46,7 @@ static WORD wInCallBackLoop = 0;
* as Windows 95 does, according to the docs. Maybe it should
* depend on the computers resources!
*/
#define MMSYSTIME_MININTERVAL (1)
#define MMSYSTIME_MININTERVAL /* (1) */ (10)
#define MMSYSTIME_MAXINTERVAL (65535)
static void TIME_TriggerCallBack(LPTIMERENTRY lpTimer, DWORD dwCurrent)
@ -99,30 +93,20 @@ static void TIME_TriggerCallBack(LPTIMERENTRY lpTimer, DWORD dwCurrent)
/**************************************************************************
* TIME_MMSysTimeCallback
*/
static VOID WINAPI TIME_MMSysTimeCallback( HWND hwnd, UINT msg,
UINT id, DWORD dwTime )
static VOID CALLBACK TIME_MMSysTimeCallback( ULONG_PTR dummy )
{
LPTIMERENTRY lpTimer;
mmSysTimeMS.u.ms += MMSYSTIME_MININTERVAL;
mmSysTimeSMPTE.u.smpte.frame++;
#ifdef USE_FAKE_MM_TIMERS
if (bUseFakeTimers)
dwLastCBTick = GetTickCount();
if (!wInCallBackLoop++)
#endif
for (lpTimer = lpTimerList; lpTimer != NULL; lpTimer = lpTimer->Next) {
if (lpTimer->wCurTime < MMSYSTIME_MININTERVAL) {
TIME_TriggerCallBack(lpTimer, dwTime);
TIME_TriggerCallBack(lpTimer, mmSysTimeMS.u.ms);
} else {
lpTimer->wCurTime -= MMSYSTIME_MININTERVAL;
}
}
#ifdef USE_FAKE_MM_TIMERS
wInCallBackLoop--;
#endif
}
/**************************************************************************
@ -135,7 +119,7 @@ static void StartMMTime()
if (!mmTimeStarted) {
mmTimeStarted = TRUE;
mmSysTimeMS.wType = TIME_MS;
mmSysTimeMS.u.ms = 0;
mmSysTimeMS.u.ms = GetTickCount();
mmSysTimeSMPTE.wType = TIME_SMPTE;
mmSysTimeSMPTE.u.smpte.hour = 0;
mmSysTimeSMPTE.u.smpte.min = 0;
@ -143,13 +127,7 @@ static void StartMMTime()
mmSysTimeSMPTE.u.smpte.frame = 0;
mmSysTimeSMPTE.u.smpte.fps = 0;
mmSysTimeSMPTE.u.smpte.dummy = 0;
SetTimer( 0, 0, MMSYSTIME_MININTERVAL, TIME_MMSysTimeCallback );
#ifdef USE_FAKE_MM_TIMERS
bUseFakeTimers = PROFILE_GetWineIniBool("options", "MMFakeTimers", TRUE);
TRACE_(mmtime)("FakeTimer=%c\n", bUseFakeTimers ? 'Y' : 'N');
if (bUseFakeTimers)
dwLastCBTick = GetTickCount();
#endif
hMMTimer = SERVICE_AddTimer( MMSYSTIME_MININTERVAL*1000L, TIME_MMSysTimeCallback, 0 );
}
}
@ -336,36 +314,6 @@ MMRESULT16 WINAPI timeEndPeriod16(UINT16 wPeriod)
*/
DWORD WINAPI timeGetTime()
{
DWORD dwNewTick = GetTickCount();
StartMMTime();
#ifdef USE_FAKE_MM_TIMERS
if (bUseFakeTimers) {
if (!wInCallBackLoop++) {
DWORD dwDelta;
if (dwNewTick < dwLastCBTick) {
ERR_(mmtime)("dwNewTick(%lu) < dwLastCBTick(%lu)\n", dwNewTick, dwLastCBTick);
}
dwDelta = dwNewTick - dwLastCBTick;
if (dwDelta > MMSYSTIME_MININTERVAL) {
LPTIMERENTRY lpTimer;
mmSysTimeMS.u.ms += dwDelta; /* FIXME: faked timer */
dwLastCBTick = dwNewTick;
for (lpTimer = lpTimerList; lpTimer != NULL; lpTimer = lpTimer->Next) {
if (lpTimer->wCurTime < dwDelta) {
TIME_TriggerCallBack(lpTimer, dwNewTick);
} else {
lpTimer->wCurTime -= dwDelta;
}
}
}
}
dwNewTick = mmSysTimeMS.u.ms;
wInCallBackLoop--;
}
#endif
return dwNewTick;
return mmSysTimeMS.u.ms;
}