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dsound: Make timer more robust.

This commit is contained in:
Maarten Lankhorst 2007-08-04 10:41:59 +02:00 committed by Alexandre Julliard
parent 3f762d5d0b
commit abe8c127d9
1 changed files with 19 additions and 3 deletions
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22
dlls/dsound/dsound.c
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@ -1514,10 +1514,26 @@ HRESULT DirectSoundDevice_Initialize(DirectSoundDevice ** ppDevice, LPCGUID lpcG
hr = DSOUND_PrimaryCreate(device);
if (hr == DS_OK) {
UINT triggertime = DS_TIME_DEL, res = DS_TIME_RES, id;
TIMECAPS time;
DSOUND_renderer[device->drvdesc.dnDevNode] = device;
timeBeginPeriod(DS_TIME_RES);
DSOUND_renderer[device->drvdesc.dnDevNode]->timerID = timeSetEvent(DS_TIME_DEL, DS_TIME_RES, DSOUND_timer,
(DWORD_PTR)DSOUND_renderer[device->drvdesc.dnDevNode], TIME_PERIODIC | TIME_CALLBACK_FUNCTION | TIME_KILL_SYNCHRONOUS);
timeGetDevCaps(&time, sizeof(TIMECAPS));
TRACE("Minimum timer resolution: %u, max timer: %u\n", time.wPeriodMin, time.wPeriodMax);
if (triggertime < time.wPeriodMin)
triggertime = time.wPeriodMin;
if (res < time.wPeriodMin)
res = time.wPeriodMin;
if (timeBeginPeriod(res) == TIMERR_NOCANDO)
WARN("Could not set minimum resolution, don't expect sound\n");
id = timeSetEvent(triggertime, res, DSOUND_timer, (DWORD_PTR)device, TIME_PERIODIC | TIME_KILL_SYNCHRONOUS);
if (!id)
{
WARN("Timer not created! Retrying without TIME_KILL_SYNCHRONOUS\n");
id = timeSetEvent(triggertime, res, DSOUND_timer, (DWORD_PTR)device, TIME_PERIODIC);
if (!id) ERR("Could not create timer, sound playback will not occur\n");
}
DSOUND_renderer[device->drvdesc.dnDevNode]->timerID = id;
} else {
WARN("DSOUND_PrimaryCreate failed\n");
}