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/*
Copyright (C) 2004-2008 Grame
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "JackTime.h"
#include "JackError.h"
static LARGE_INTEGER _jack_freq;
static UINT gPeriod = 0;
SERVER_EXPORT void JackSleep(long usec)
{
Sleep(usec / 1000);
}
SERVER_EXPORT void InitTime()
{
TIMECAPS caps;
QueryPerformanceFrequency(&_jack_freq);
if (timeGetDevCaps(&caps, sizeof(TIMECAPS)) != TIMERR_NOERROR) {
jack_error("InitTime : could not get timer device");
} else {
gPeriod = caps.wPeriodMin;
if (timeBeginPeriod(gPeriod) != TIMERR_NOERROR) {
jack_error("InitTime : could not set minimum timer");
gPeriod = 0;
} else {
jack_log("InitTime : multimedia timer resolution set to %d milliseconds", gPeriod);
}
}
}
SERVER_EXPORT void EndTime()
{
if (gPeriod > 0) {
timeEndPeriod(gPeriod);
}
}
SERVER_EXPORT jack_time_t GetMicroSeconds(void)
{
LARGE_INTEGER t1;
QueryPerformanceCounter(&t1);
return (jack_time_t)(((double)t1.QuadPart) / ((double)_jack_freq.QuadPart) * 1000000.0);
}
void SetClockSource(jack_timer_type_t source)
{}
const char* ClockSourceName(jack_timer_type_t source)
{
return "";
}
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