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avutil/timer: Add clock_gettime as a fallback of AV_READ_TIME 

Reviewed-by: Rémi Denis-Courmont <remi@remlab.net>
Reviewed-by: Martin Storsjö <martin@martin.st>
Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
This commit is contained in:
Zhao Zhili 2024-06-07 21:44:50 +08:00
parent 6a18c0bc87
commit 33e4cc963d
1 changed files with 10 additions and 0 deletions
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10
libavutil/timer.h
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@ -46,6 +46,8 @@
#include "macos_kperf.h"
#elif HAVE_MACH_ABSOLUTE_TIME
#include <mach/mach_time.h>
#elif HAVE_CLOCK_GETTIME
#include <time.h>
#endif
#include "common.h"
@ -70,6 +72,14 @@
# define AV_READ_TIME gethrtime
# elif HAVE_MACH_ABSOLUTE_TIME
# define AV_READ_TIME mach_absolute_time
# elif HAVE_CLOCK_GETTIME && defined(CLOCK_MONOTONIC)
static inline int64_t ff_read_time(void)
{
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
return ts.tv_sec * INT64_C(1000000000) + ts.tv_nsec;
}
# define AV_READ_TIME ff_read_time
# endif
#endif