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clip: Resync priorities when removing an effect

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When removing a top effect in the list of top effects, other
effects priorities need to take that into account to avoid
holes in the indices.
This commit is contained in:
Thibault Saunier 2018-09-05 21:49:09 -03:00
parent e71e1cc9fb
commit 2443b1a413
3 changed files with 49 additions and 4 deletions
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17
ges/ges-clip.c
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@ -327,7 +327,7 @@ _add_child (GESContainer * container, GESTimelineElement * element)
/* If the TrackElement is an effect:
* - We add it on top of the list of TrackEffect
* - We put all TrackObject present in the TimelineObject
* - We put all TrackElements present in the Clip
* which are not BaseEffect on top of them
* FIXME: Let the full control over priorities to the user
*/
@ -368,8 +368,21 @@ _add_child (GESContainer * container, GESTimelineElement * element)
static gboolean
_remove_child (GESContainer * container, GESTimelineElement * element)
{
if (GES_IS_BASE_EFFECT (element))
if (GES_IS_BASE_EFFECT (element)) {
GList *tmp;
GESChildrenControlMode mode = container->children_control_mode;
GST_DEBUG_OBJECT (container, "Resyncing effects priority.");
container->children_control_mode = GES_CHILDREN_UPDATE_OFFSETS;
tmp = g_list_find (GES_CONTAINER_CHILDREN (container), element);
for (tmp = tmp->next; tmp; tmp = tmp->next) {
ges_timeline_element_set_priority (GES_TIMELINE_ELEMENT (tmp->data),
GES_TIMELINE_ELEMENT_PRIORITY (tmp->data) - 1);
}
container->children_control_mode = mode;
GES_CLIP (container)->priv->nb_effects--;
}
GST_FIXME_OBJECT (container, "We should set other children prios");

7
ges/ges-container.c
View file

@ -366,9 +366,12 @@ _dispose (GObject * object)
{
GList *tmp;
GESContainer *self = GES_CONTAINER (object);
GList *children = ges_container_get_children (self, FALSE);
GList *children;
for (tmp = children; tmp; tmp = tmp->next)
_ges_container_sort_children (self);
children = ges_container_get_children (self, FALSE);
for (tmp = g_list_last (children); tmp; tmp = tmp->prev)
ges_container_remove (self, tmp->data);
g_list_free_full (children, gst_object_unref);

29
tests/check/python/test_clip.py
View file

@ -166,3 +166,32 @@ class TestTrackElements(unittest.TestCase):
audio_source = test_clip.find_track_element(None, GES.AudioSource)
self.assertFalse(audio_source is None)
self.assertEqual(audio_source.get_child_property("volume")[1], 0.0)
def check_effects(self, clip, expected_effects, expected_indexes):
effects = clip.get_top_effects()
self.assertEqual(effects, expected_effects)
self.assertEqual([clip.get_top_effect_index(effect) for effect in effects], expected_indexes)
def test_effects_priority(self):
timeline = GES.Timeline.new_audio_video()
self.assertEqual(len(timeline.get_tracks()), 2)
layer = timeline.append_layer()
test_clip = GES.TestClip()
self.assertEqual(test_clip.get_children(True), [])
self.assertTrue(layer.add_clip(test_clip))
effect1 = GES.Effect.new("agingtv")
test_clip.add(effect1)
self.check_effects(test_clip, [effect1], [0])
test_clip.set_top_effect_index(effect1, 1)
self.check_effects(test_clip, [effect1], [0])
test_clip.set_top_effect_index(effect1, 10)
self.check_effects(test_clip, [effect1], [0])
effect2 = GES.Effect.new("dicetv")
test_clip.add(effect2)
test_clip.remove(effect1)
self.check_effects(test_clip, [effect2], [0])