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mainloop: convert from wallclock to rtclock

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This is needed for the mainloop timeouts
This commit is contained in:
Wim Taymans 2020-10-22 16:46:29 +02:00
parent 70e9e622eb
commit 413c233b9a
3 changed files with 58 additions and 24 deletions
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33
pipewire-pulseaudio/src/rtclock.c
View file

@ -23,7 +23,9 @@
#include <pipewire/log.h>
#include <pulse/timeval.h>
#include <pulse/rtclock.h>
#include "internal.h"
SPA_EXPORT
pa_usec_t pa_rtclock_now(void)
@ -36,3 +38,34 @@ pa_usec_t pa_rtclock_now(void)
return res;
}
static struct timeval *pa_rtclock_get(struct timeval *tv)
{
struct timespec ts;
pa_assert(tv);
clock_gettime(CLOCK_MONOTONIC, &ts);
tv->tv_sec = ts.tv_sec;
tv->tv_usec = ts.tv_nsec / PA_NSEC_PER_USEC;
return tv;
}
struct timeval* pa_rtclock_from_wallclock(struct timeval *tv)
{
struct timeval wc_now, rt_now;
pa_assert(tv);
pa_gettimeofday(&wc_now);
pa_rtclock_get(&rt_now);
if (pa_timeval_cmp(&wc_now, tv) < 0)
pa_timeval_add(&rt_now, pa_timeval_diff(tv, &wc_now));
else
pa_timeval_sub(&rt_now, pa_timeval_diff(&wc_now, tv));
*tv = rt_now;
return tv;
}