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Reviewed timming system for macOS

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Apparently, before macOS Sierra version, clock_gettime was not available, using MATCH timming system instead
This commit is contained in:
Ray 2018-02-20 10:30:51 +01:00
parent 1652943f98
commit 11612fce27
1 changed files with 22 additions and 0 deletions
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22
src/external/mini_al.h vendored
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@ -1557,6 +1557,10 @@ void mal_pcm_convert(void* pOut, mal_format formatOut, const void* pIn, mal_form
#include <string.h> // For memset()
#endif
#if defined(MAL_APPLE) && (__MAC_OS_X_VERSION_MIN_REQUIRED < 101200)
#include <mach/mach_time.h> // For mach_absolute_time()
#endif
#ifdef MAL_POSIX
#include <unistd.h>
#include <dlfcn.h>
@ -2082,6 +2086,24 @@ double mal_timer_get_time_in_seconds(mal_timer* pTimer)
return (counter.QuadPart - pTimer->counter) / (double)g_mal_TimerFrequency.QuadPart;
}
#elif defined(MAL_APPLE) && (__MAC_OS_X_VERSION_MIN_REQUIRED < 101200)
static uint64_t g_mal_TimerFrequency = 0;
void mal_timer_init(mal_timer* pTimer)
{
mach_timebase_info_data_t baseTime;
mach_timebase_info(&baseTime);
g_mal_TimerFrequency = (baseTime.denom * 1e9) / baseTime.numer;
pTimer->counter = mach_absolute_time();
}
double mal_timer_get_time_in_seconds(mal_timer* pTimer)
{
uint64_t newTimeCounter = mach_absolute_time();
uint64_t oldTimeCounter = pTimer->counter;
return (newTimeCounter - oldTimeCounter) / g_mal_TimerFrequency;
}
#else
void mal_timer_init(mal_timer* pTimer)
{