systemclock: Don't start the system clock at 0 on Windows

We kept the start time around and subtracted it everywhere for "easy of
debugging", but we don't do anything like this anywhere else and it
only complicates the code unnecessarily.

diff --git a/gst/gstsystemclock.c b/gst/gstsystemclock.c
index e80f3ef410c73a819a9b4b87aca52a36f73deb00..6dcc55d8fec425806f9c6f46c370bc422e705be8 100644 (file)
--- a/gst/gstsystemclock.c
+++ b/gst/gstsystemclock.c
@@ -87,7 +87,6 @@ struct _GstSystemClockPrivate
   gboolean async_wakeup;        /* if the wakeup was because of a async list change */
 
 #ifdef G_OS_WIN32
-  LARGE_INTEGER start;
   LARGE_INTEGER frequency;
   guint64 ratio;
 #endif                          /* G_OS_WIN32 */
@@ -194,8 +193,6 @@ gst_system_clock_init (GstSystemClock * clock)
   QueryPerformanceFrequency (&priv->frequency);
   /* can be 0 if the hardware does not have hardware support */
   if (priv->frequency.QuadPart != 0) {
-    /* we take a base time so that time starts from 0 to ease debugging */
-    QueryPerformanceCounter (&priv->start);
     priv->ratio = GST_SECOND / priv->frequency.QuadPart;
   }
 #endif /* G_OS_WIN32 */
@@ -591,8 +588,7 @@ gst_system_clock_get_internal_time (GstClock * clock)
     /* we prefer the highly accurate performance counters on windows */
     QueryPerformanceCounter (&now);
 
-    return ((now.QuadPart -
-            sysclock->priv->start.QuadPart) * sysclock->priv->ratio);
+    return now.QuadPart * sysclock->priv->ratio;
   } else
 #endif /* G_OS_WIN32 */
 #if !defined HAVE_POSIX_TIMERS || !defined HAVE_CLOCK_GETTIME