mpv/osdep/timer-linux.c

50 lines
1.3 KiB
C

/*
* precise timer routines for Linux/UNIX
* copyright (C) LGB & A'rpi/ASTRAL
*
* This file is part of mpv.
*
* mpv 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.
*
* mpv 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 mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <time.h>
#include "timer.h"
void mp_sleep_ns(int64_t ns)
{
if (ns < 0)
return;
struct timespec ts;
ts.tv_sec = ns / MP_TIME_S_TO_NS(1);
ts.tv_nsec = ns % MP_TIME_S_TO_NS(1);
nanosleep(&ts, NULL);
}
uint64_t mp_raw_time_ns(void)
{
struct timespec tp = {0};
int ret = -1;
#if defined(CLOCK_MONOTONIC_RAW)
ret = clock_gettime(CLOCK_MONOTONIC_RAW, &tp);
#endif
if (ret)
clock_gettime(CLOCK_MONOTONIC, &tp);
return MP_TIME_S_TO_NS(tp.tv_sec) + tp.tv_nsec;
}
void mp_raw_time_init(void)
{
}