Fixed VP31 in NSV files.

[vlc] / src / misc / mtime.c

diff --git a/src/misc/mtime.c b/src/misc/mtime.c
index 5ad852a2b9cf73354b5fc9b4c18f1eff441a64c6..0dbb4df578308b38e6e3ff9487b0e9143f11853b 100644 (file)
--- a/src/misc/mtime.c
+++ b/src/misc/mtime.c
@@ -52,14 +52,15 @@
 #   include <mmsystem.h>
 #endif
 
-#if defined( UNDER_CE )
-#   include <windows.h>
-#endif
-
 #if defined(HAVE_SYS_TIME_H)
 #   include <sys/time.h>
 #endif
 
+#ifdef __APPLE__
+#   include <mach/mach.h>
+#   include <mach/mach_time.h>
+#endif
+
 #if !defined(HAVE_STRUCT_TIMESPEC)
 struct timespec
 {
@@ -172,6 +173,15 @@ static inline unsigned mprec( void )
 #endif
 }
 
+#ifdef __APPLE__
+static mach_timebase_info_data_t mtime_timebase_info;
+static pthread_once_t mtime_timebase_info_once = PTHREAD_ONCE_INIT;
+static void mtime_init_timebase(void)
+{
+    mach_timebase_info(&mtime_timebase_info);
+}
+#endif
+
 /**
  * Return high precision date
  *
@@ -197,6 +207,16 @@ mtime_t mdate( void )
 #elif defined( HAVE_KERNEL_OS_H )
     res = real_time_clock_usecs();
 
+#elif defined( __APPLE__ )
+    pthread_once(&mtime_timebase_info_once, mtime_init_timebase);
+    uint64_t date = mach_absolute_time();
+
+    /* Convert to nanoseconds */
+    date *= mtime_timebase_info.numer;
+    date /= mtime_timebase_info.denom;
+
+    /* Convert to microseconds */
+    res = date / 1000;
 #elif defined( WIN32 ) || defined( UNDER_CE )
     /* We don't need the real date, just the value of a high precision timer */
     static mtime_t freq = INT64_C(-1);
@@ -303,6 +323,11 @@ mtime_t mdate( void )
         i_previous_time = res;
         LeaveCriticalSection( &date_lock );
     }
+#elif defined( __APPLE__ ) /* The version that should be used, if it was cancelable */
+    pthread_once(&mtime_timebase_info_once, mtime_init_timebase);
+    uint64_t mach_time = date * 1000 * mtime_timebase_info.denom / mtime_timebase_info.numer;
+    mach_wait_until(mach_time);
+
 #else
     struct timeval tv_date;
 
@@ -314,6 +339,7 @@ mtime_t mdate( void )
     return res;
 }
 
+#undef mwait
 /**
  * Wait for a date
  *
@@ -372,27 +398,6 @@ void mwait( mtime_t date )
  */
 void msleep( mtime_t delay )
 {
-#ifndef NDEBUG
-# if defined (__linux__) || defined (WIN32)
-    /* We assume that proper use of msleep() will not use a constant period...
-     * Media synchronization is likely to use mwait() with at least slight
-     * sleep length variation at microsecond precision. Network protocols
-     * normally have exponential backoffs, or long delays. */
-    static __thread unsigned tick_period = 0;
-    static __thread unsigned tick_frequency = 0;
-    if (tick_period != delay)
-        tick_frequency = 0;
-    tick_frequency++;
-    tick_period = delay;
-    if (delay < (29 * CLOCK_FREQ) && tick_frequency == 20)
-    {
-         fprintf (stderr, "Likely bogus delay(%"PRIu64"µs) ", delay);
-         vlc_backtrace ();
-    }
-    //fprintf (stderr, "%u, %u\n", tick_period, tick_frequency);
-# endif
-#endif
-
 #if defined( HAVE_CLOCK_NANOSLEEP )
     lldiv_t d = lldiv( delay, 1000000 );
     struct timespec ts = { d.quot, d.rem * 1000 };
@@ -419,6 +424,11 @@ void msleep( mtime_t delay )
 
     while( nanosleep( &ts_delay, &ts_delay ) && ( errno == EINTR ) );
 
+#elif defined( __APPLE__ ) /* The version that should be used, if it was cancelable */
+    pthread_once(&mtime_timebase_info_once, mtime_init_timebase);
+    uint64_t mach_time = delay * 1000 * mtime_timebase_info.denom / mtime_timebase_info.numer;
+    mach_wait_until(mach_time + mach_absolute_time());
+
 #else
     struct timeval tv_delay;