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* clutter/clutter-timeline.c: (clutter_timeline_get_delta): return the

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number of milliseconds passed between new-frame events instead of
since new-frame events, thus making sure that the sum of _get_delta's
returned for all new-frame events is equal to total time elapsed.
This commit is contained in:
Øyvind Kolås 2007-11-30 17:07:08 +00:00
parent 97631bffd5
commit 3def17d9d2
2 changed files with 12 additions and 13 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2007-11-30 Øyvind Kolås <pippin@o-hand.com>
* clutter/clutter-timeline.c: (clutter_timeline_get_delta): return the
number of milliseconds passed between new-frame events instead of
since new-frame events, thus making sure that the sum of _get_delta's
returned for all new-frame events is equal to total time elapsed.
2007-11-30 Emmanuele Bassi <ebassi@openedhand.com>
* clutter/clutter-actor.c (parse_units),

18
clutter/clutter-timeline.c
View File

@ -74,6 +74,7 @@ struct _ClutterTimelinePrivate
gulong last_frame_msecs;
gulong start_frame_secs;
guint msecs_delta;
guint loop : 1;
};
@ -445,6 +446,7 @@ clutter_timeline_init (ClutterTimeline *self)
self->priv->fps = clutter_get_default_frame_rate ();
self->priv->n_frames = 0;
self->priv->msecs_delta = 0;
}
static gboolean
@ -505,6 +507,7 @@ timeline_timeout_func (gpointer data)
+ (timeval.tv_usec / 1000);
n_frames = (msecs - priv->last_frame_msecs)
/ (1000 / priv->fps);
priv->msecs_delta = msecs - priv->last_frame_msecs;
if (n_frames <= 0)
{
@ -528,6 +531,7 @@ timeline_timeout_func (gpointer data)
/* First frame, set up timings.*/
priv->start_frame_secs = timeval.tv_sec;
priv->skipped_frames = 0;
priv->msecs_delta = 0;
msecs = timeval.tv_usec / 1000;
n_frames = 1;
@ -1254,19 +1258,7 @@ clutter_timeline_get_delta (ClutterTimeline *timeline,
if (msecs)
{
GTimeVal timeval;
g_get_current_time (&timeval);
if (priv->last_frame_msecs)
{
*msecs = ((timeval.tv_sec - priv->start_frame_secs) * 1000)
+ (timeval.tv_usec / 1000);
}
else
{
*msecs = timeval.tv_usec / 1000;
}
*msecs = timeline->priv->msecs_delta;
}
return priv->skipped_frames + 1;