From 66f3658e7c731105a40090bcdbd4157162501e4c Mon Sep 17 00:00:00 2001
From: Koos Vriezen <koos.vriezen@gmail.com>
Date: Mon, 12 May 2008 18:18:22 +0200
Subject: [PATCH] Partially implement start synced on an element begin time

Is used a lot in canals.smi (the center link on
http://homepages.cwi.nl/~media/SMIL/fiets/fiets.smil
---
 src/laugh-timing.c | 25 +++++++++++++++++++++++++
 src/laugh-timing.h |  1 +
 2 files changed, 26 insertions(+)

diff --git a/src/laugh-timing.c b/src/laugh-timing.c
index b8b32d2..74092bf 100644
--- a/src/laugh-timing.c
+++ b/src/laugh-timing.c
@@ -24,6 +24,7 @@
 #include <string.h>
 #include <glib/gmessages.h>
 #include <glib/gprintf.h>
+#include <clutter/clutter-main.h>
 
 #include "laugh-timing.h"
 
@@ -542,6 +543,7 @@ gboolean laugh_timing_setting_start (LaughRoleTiming *segment)
     g_printf ("laugh_timing_setting_start %s\n",
             laugh_tag_from_id (segment->node->id));
     segment->active = TRUE;
+    segment->start_time_stamp = clutter_get_timestamp ();
 
     if (segment->begin) {
         tt = segment->begin->type;
@@ -556,6 +558,29 @@ gboolean laugh_timing_setting_start (LaughRoleTiming *segment)
             else
                 _laugh_timing_setting_started (segment);
             break;
+        case LaughTimingStartSync:
+            if (segment->begin->element_id) {
+                LaughRoleTiming *role;
+                LaughNode *elm = laugh_document_get_element_by_id (
+                        segment->node->document,
+                        laugh_document_id_from_string (
+                            segment->node->document, segment->begin->element_id));
+                if (!elm)
+                    break;
+                role = (LaughRoleTiming *) laugh_node_role_get (elm, LaughRoleTypeTiming);
+                if (!role)
+                    break;
+                if (elm->state >= LaughStateBegun) {
+                    glong diff = (clutter_get_timestamp ()-role->start_time_stamp) / 1000;
+                    if (diff < offset)
+                        segment->begin->handler_id = g_timeout_add (offset - diff,
+                                _laugh_timing_timeout, segment);
+                    else
+                        _laugh_timing_setting_started (segment);
+                } else {
+                    g_printf ("TODO: laugh_timing_setting_start StartSync\n");
+                }
+            }
             /*TODO other types*/
         default:
             break;
diff --git a/src/laugh-timing.h b/src/laugh-timing.h
index 555b374..ff38273 100644
--- a/src/laugh-timing.h
+++ b/src/laugh-timing.h
@@ -84,6 +84,7 @@ struct _LaughRoleTiming
     LaughTiming *end;
 
     gboolean active;
+    gulong start_time_stamp;
 
     GSList *sub_segments;
     LaughRoleTiming *parent;
-- 
2.11.4.GIT