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timeline: Avoid to recalculate the moving context unecessarly

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This commit is contained in:
Thibault Saunier 2012-05-18 10:33:44 -04:00
parent 5a29478c2d
commit 9913d48e5c
1 changed files with 13 additions and 16 deletions
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29
ges/ges-timeline.c
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@ -1587,8 +1587,7 @@ layer_object_added_cb (GESTimelineLayer * layer, GESTimelineObject * object,
if (ges_timeline_object_is_moving_from_layer (object)) {
GST_DEBUG ("TimelineObject %p is moving from a layer to another, not doing"
" anything on it", object);
if (!timeline->priv->movecontext.ignore_needs_ctx)
timeline->priv->movecontext.needs_move_ctx = TRUE;
timeline->priv->movecontext.needs_move_ctx = TRUE;
return;
}
@ -1691,7 +1690,12 @@ trackobj_start_changed_cb (GESTrackObject * child,
sort_starts_ends_start (timeline, child);
sort_starts_ends_end (timeline, child);
if (!timeline->priv->movecontext.ignore_needs_ctx)
/* If the timeline is set to snap objects together, we
* are sure that all movement of TrackObject-s are done within
* the moving context, so we do not need to recalculate the
* move context as often */
if (timeline->priv->movecontext.ignore_needs_ctx &&
timeline->priv->snapping_distance == 0)
timeline->priv->movecontext.needs_move_ctx = TRUE;
}
@ -1701,15 +1705,12 @@ trackobj_duration_changed_cb (GESTrackObject * child,
{
sort_starts_ends_end (timeline, child);
if (!timeline->priv->movecontext.ignore_needs_ctx)
timeline->priv->movecontext.needs_move_ctx = TRUE;
}
static void
trackobj_inpoint_changed_cb (GESTrackObject * child,
GParamSpec * arg G_GNUC_UNUSED, GESTimeline * timeline)
{
if (!timeline->priv->movecontext.ignore_needs_ctx)
/* If the timeline is set to snap objects together, we
* are sure that all movement of TrackObject-s are done within
* the moving context, so we do not need to recalculate the
* move context as often */
if (timeline->priv->movecontext.ignore_needs_ctx &&
timeline->priv->snapping_distance == 0)
timeline->priv->movecontext.needs_move_ctx = TRUE;
}
@ -1725,8 +1726,6 @@ track_object_added_cb (GESTrack * track, GESTrackObject * object,
G_CALLBACK (trackobj_start_changed_cb), timeline);
g_signal_connect (GES_TRACK_OBJECT (object), "notify::duration",
G_CALLBACK (trackobj_duration_changed_cb), timeline);
g_signal_connect (GES_TRACK_OBJECT (object), "notify::in-point",
G_CALLBACK (trackobj_inpoint_changed_cb), timeline);
}
}
@ -1740,8 +1739,6 @@ track_object_removed_cb (GESTrack * track, GESTrackObject * object,
NULL);
g_signal_handlers_disconnect_by_func (object, trackobj_duration_changed_cb,
NULL);
g_signal_handlers_disconnect_by_func (object, trackobj_inpoint_changed_cb,
NULL);
/* Make sure to reinitialise the moving context next time */
timeline->priv->movecontext.needs_move_ctx = TRUE;