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timeline: Use a simple GList to track auto transitions

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This commit is contained in:
Thibault Saunier 2015-05-29 15:15:25 +02:00
parent 4f70e5eb88
commit d7dfcff745
1 changed files with 16 additions and 14 deletions
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30
ges/ges-timeline.c
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@ -170,10 +170,7 @@ struct _GESTimelinePrivate
* probably through a ges_layer_get_track_elements () method */
GHashTable *by_layer; /* {layer: GSequence of TrackElement by start/priorities} */
/* The set of auto_transitions we control, currently the key is
* pointerToPreviousiTrackObjAdresspointerToNextTrackObjAdress as a string,
* ... not really optimal but it works */
GHashTable *auto_transitions;
GList *auto_transitions;
MoveContext movecontext;
@ -358,7 +355,7 @@ ges_timeline_dispose (GObject * object)
g_list_free (priv->movecontext.moving_trackelements);
g_hash_table_unref (priv->movecontext.toplevel_containers);
g_hash_table_unref (priv->auto_transitions);
g_list_free_full (priv->auto_transitions, gst_object_unref);
g_hash_table_unref (priv->all_elements);
@ -638,8 +635,6 @@ ges_timeline_init (GESTimeline * self)
priv->starts_ends = g_sequence_new (g_free);
priv->tracksources = g_sequence_new (gst_object_unref);
priv->auto_transitions =
g_hash_table_new_full (g_str_hash, g_str_equal, NULL, gst_object_unref);
priv->needs_transitions_update = TRUE;
priv->all_elements =
@ -794,9 +789,10 @@ _destroy_auto_transition_cb (GESAutoTransition * auto_transition,
g_signal_handlers_disconnect_by_func (auto_transition,
_destroy_auto_transition_cb, timeline);
if (!g_hash_table_remove (priv->auto_transitions, auto_transition->key))
GST_WARNING_OBJECT (timeline, "Could not remove auto_transition %"
GST_PTR_FORMAT, auto_transition->key);
priv->auto_transitions =
g_list_remove (priv->auto_transitions, auto_transition);
gst_object_unref (auto_transition);
}
static GESAutoTransition *
@ -826,8 +822,8 @@ create_transition (GESTimeline * timeline, GESTrackElement * previous,
g_signal_connect (auto_transition, "destroy-me",
G_CALLBACK (_destroy_auto_transition_cb), timeline);
g_hash_table_insert (timeline->priv->auto_transitions,
auto_transition->key, auto_transition);
timeline->priv->auto_transitions =
g_list_prepend (timeline->priv->auto_transitions, auto_transition);
return auto_transition;
}
@ -841,11 +837,17 @@ _find_transition_from_auto_transitions (GESTimeline * timeline,
GESLayer * layer, GESTrack * track, GESTrackElement * prev,
GESTrackElement * next, GstClockTime transition_duration)
{
GESAutoTransition *auto_transition;
GList *tmp;
GESAutoTransition *auto_transition = NULL;
gchar *key = g_strdup_printf ("%p%p", prev, next);
auto_transition = g_hash_table_lookup (timeline->priv->auto_transitions, key);
for (tmp = timeline->priv->auto_transitions; tmp; tmp = tmp->next) {
if (!g_strcmp0 (GES_AUTO_TRANSITION (tmp->data)->key, key)) {
auto_transition = tmp->data;
break;
}
}
g_free (key);
return auto_transition;