Changeset 5fe40a7544a0c45cfd1c5bd77c946efbd1d0dc94

Timestamp:

11/11/05 09:32:30 (3 years ago)

Author:

Marian Durkovic <md@videolan.org>

git-committer:

Marian Durkovic <md@videolan.org> 1131697950 +0000

git-parent:

[89b3eb7e3e1b2378dcfd0a1a497782420228a848]

git-author:

Marian Durkovic <md@videolan.org> 1131697950 +0000

Message:

update cl->delta_cr only once per 200 msec to ensure better refclock
stability and mitigate temporary OS/network jitter problems

Files:

• src/input/clock.c (modified) (4 diffs)
• src/input/input_internal.h (modified) (1 diff)

src/input/clock.c

@@ -134 +134 @@
-    cl->last_cr = 0;
-    cl->last_pts = 0;
+    cl->last_sysdate = 0;
-    cl->cr_ref = 0;
-    cl->sysdate_ref = 0;
@@ -265 +266 @@
-        {
-            cl->last_cr = 0;
+            cl->last_sysdate = 0;
-            cl->delta_cr = 0;
-            cl->i_delta_cr_residue = 0;
@@ -309 +311 @@
-#endif
-        }
-
+ if ( mdate() - cl->last_sysdate > 200000 )
-        {
-            /* Smooth clock reference variations. */
@@ -325 +327 @@
-                                    % cl->i_cr_average;
-            cl->delta_cr = delta_cr;
+            cl->last_sysdate = mdate();
-        }
-    }

src/input/input_internal.h

@@ -134 +134 @@
-    mtime_t                 delta_cr;
-    mtime_t                 cr_ref, sysdate_ref;
+    mtime_t                 last_sysdate;
-    mtime_t                 last_cr; /* reference to detect unexpected stream
-                                      * discontinuities                      */