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timer: remove MP_START_TIME 

instead require mp_raw_time_ns() to not return 0, which all current
implementation already should follow.
This commit is contained in:
NRK 2023-10-27 01:24:41 +06:00 committed by Dudemanguy
parent 2f91e1441e
commit 8bbcc87fee
4 changed files with 8 additions and 15 deletions
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4
common/msg.c
View File

@ -316,7 +316,7 @@ static void print_terminal_line(struct mp_log *log, int lev,
set_msg_color(stream, lev);
if (root->show_time)
fprintf(stream, "[%10.6f] ", (mp_time_ns() - MP_START_TIME) / 1e9);
fprintf(stream, "[%10.6f] ", mp_time_sec());
const char *prefix = log->prefix;
if ((lev >= MSGL_V) || root->verbose || root->module)
@ -551,7 +551,7 @@ static void *log_file_thread(void *p)
if (e) {
pthread_mutex_unlock(&root->log_file_lock);
fprintf(root->log_file, "[%8.3f][%c][%s] %s",
(mp_time_ns() - MP_START_TIME) / 1e9,
mp_time_sec(),
mp_log_levels[e->level][0], e->prefix, e->text);
fflush(root->log_file);
pthread_mutex_lock(&root->log_file_lock);

6
osdep/semaphore_osx.c
View File

@ -46,7 +46,7 @@ int mp_sem_init(mp_sem_t *sem, int pshared, unsigned int value)
int mp_sem_wait(mp_sem_t *sem)
{
return mp_sem_timedwait(sem, MP_START_TIME - 1);
return mp_sem_timedwait(sem, -1);
}
int mp_sem_trywait(mp_sem_t *sem)
@ -76,9 +76,9 @@ int mp_sem_timedwait(mp_sem_t *sem, int64_t until)
return 0;
int timeout = 0;
if (until == MP_START_TIME - 1) {
if (until == -1) {
timeout = -1;
} else if (until >= MP_START_TIME) {
} else if (until >= 0) {
timeout = (until - mp_time_ns()) / MP_TIME_MS_TO_NS(1);
timeout = MPCLAMP(timeout, 0, INT_MAX);
} else {

10
osdep/timer.c
View File

@ -36,10 +36,7 @@ static void do_timer_init(void)
mp_raw_time_init();
mp_rand_seed(mp_raw_time_ns());
raw_time_offset = mp_raw_time_ns();
// Arbitrary additional offset to avoid confusing relative/absolute times.
// Also,we rule that the timer never returns 0 (so default-initialized
// time values will be always in the past).
raw_time_offset -= MP_START_TIME;
assert(raw_time_offset > 0);
}
void mp_time_init(void)
@ -49,10 +46,7 @@ void mp_time_init(void)
int64_t mp_time_ns(void)
{
uint64_t r = mp_raw_time_ns() - raw_time_offset;
if (r < MP_START_TIME)
r = MP_START_TIME;
return r;
return mp_raw_time_ns() - raw_time_offset;
}
double mp_time_sec(void)

3
osdep/timer.h
View File

@ -32,6 +32,7 @@ double mp_time_sec(void);
// Provided by OS specific functions (timer-linux.c)
void mp_raw_time_init(void);
// ensure this doesn't return 0
uint64_t mp_raw_time_ns(void);
// Sleep in nanoseconds.
@ -45,8 +46,6 @@ int mp_start_hires_timers(int wait_ms);
void mp_end_hires_timers(int resolution_ms);
#endif /* _WIN32 */
#define MP_START_TIME 10 * INT64_C(1000000000)
// Converts time units to nanoseconds (int64_t)
#define MP_TIME_S_TO_NS(s) ((s) * INT64_C(1000000000))
#define MP_TIME_MS_TO_NS(ms) ((ms) * INT64_C(1000000))