CubicSDR/src/util/Timer.cpp

160 lines
2.4 KiB
C++
Raw Normal View History

2014-11-16 23:20:48 -05:00
#include "Timer.h"
2014-11-17 18:12:20 -05:00
#ifdef WIN32
2014-11-16 23:20:48 -05:00
#include <mmsystem.h>
#endif
Timer::Timer(void) : time_elapsed(0), system_milliseconds(0), start_time(0), end_time(0), last_update(0), paused_time(0), offset(0), paused_state(false), num_updates(0), lock_state(0), lock_rate(0)
2014-11-16 23:20:48 -05:00
{
}
void Timer::start(void)
{
update();
num_updates = 0;
start_time = system_milliseconds;
last_update = start_time;
paused_state = false;
lock_state = false;
lock_rate = 0;
paused_time = 0;
offset = 0;
}
void Timer::stop(void)
{
end_time = system_milliseconds;
}
void Timer::reset(void)
{
start();
}
void Timer::lockFramerate(float f_rate)
{
lock_rate = 1.0/f_rate;
lock_state = true;
}
void Timer::unlock()
{
unsigned long msec_tmp = system_milliseconds;
lock_state = false;
update();
last_update = system_milliseconds-lock_rate;
offset += msec_tmp-system_milliseconds;
lock_rate = 0;
}
bool Timer::locked()
{
return lock_state;
}
void Timer::update(void)
{
num_updates++;
last_update = system_milliseconds;
if (lock_state)
{
system_milliseconds += (unsigned long)(lock_rate*1000.0);
}
else
{
2014-11-17 18:12:20 -05:00
#ifdef WIN32
2014-11-16 23:20:48 -05:00
system_milliseconds = timeGetTime ();
#else
gettimeofday(&time_val,&time_zone);
system_milliseconds = (unsigned long)time_val.tv_usec;
system_milliseconds /= 1000;
system_milliseconds += (unsigned long)(time_val.tv_sec*1000);
#endif
}
if (paused_state) paused_time += system_milliseconds-last_update;
time_elapsed = system_milliseconds-start_time-paused_time+offset;
}
unsigned long Timer::getMilliseconds(void)
{
return time_elapsed;
}
double Timer::getSeconds(void)
{
return ((double)getMilliseconds())/1000.0;
}
void Timer::setMilliseconds(unsigned long milliseconds_in)
{
offset -= (system_milliseconds-start_time-paused_time+offset)-milliseconds_in;
}
void Timer::setSeconds(double seconds_in)
{
setMilliseconds((long)(seconds_in*1000.0));
}
double Timer::lastUpdateSeconds(void)
{
return ((double)lastUpdateMilliseconds())/1000.0;
}
unsigned long Timer::lastUpdateMilliseconds(void)
{
return system_milliseconds-last_update;
}
unsigned long Timer::totalMilliseconds()
{
return system_milliseconds-start_time;
}
double Timer::totalSeconds(void)
{
return totalMilliseconds()/1000.0;
}
unsigned long Timer::getNumUpdates(void)
{
return num_updates;
}
void Timer::paused(bool pause_in)
{
paused_state = pause_in;
}
bool Timer::paused()
{
return paused_state;
}