use sleep_accurate darwin timer

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@15276 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 11 insertions, 1 deletions

diff --git a/osdep/timer-darwin.c b/osdep/timer-darwin.c
index 1a9a6e9673..b9b537954b 100644
--- a/osdep/timer-darwin.c
+++ b/osdep/timer-darwin.c
@@ -34,10 +34,20 @@ const char *timer_name = "Darwin accurate";
 
 
 
+/* the core sleep function, uses floats and is used in MPlayer G2 */
+float sleep_accurate(float time_frame)
+{
+	uint64_t deadline = time_frame / timebase_ratio + mach_absolute_time();
+	
+	mach_wait_until(deadline);
+	
+	return (mach_absolute_time() - deadline) * timebase_ratio;
+}
+
 /* wrapper for MPlayer G1 */
 int usec_sleep(int usec_delay)
 {
-  return usleep(usec_delay);
+  return sleep_accurate(usec_delay / 1e6) * 1e6;
 }