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gstl_recalculate() won't set priorities to -1

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This commit is contained in:
Brandon Lewis 2010-06-09 18:56:55 +02:00
parent 73814e225d
commit 462cd2b41f
1 changed files with 32 additions and 20 deletions
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52
ges/ges-simple-timeline-layer.c
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@ -109,10 +109,13 @@ gstl_recalculate (GESSimpleTimelineLayer * self)
{
GList *tmp;
GstClockTime pos = 0;
gint priority = GES_TIMELINE_LAYER (self)->min_gnl_priority;
gint priority = 0;
gint transition_priority = 0;
GESTimelineObject *prev_object = NULL;
GESTimelineObject *prev_transition = NULL;
priority = GES_TIMELINE_LAYER (self)->min_gnl_priority;
GST_DEBUG ("recalculating values");
for (tmp = self->objects; tmp; tmp = tmp->next) {
@ -123,10 +126,10 @@ gstl_recalculate (GESSimpleTimelineLayer * self)
obj = (GESTimelineObject *) tmp->data;
dur = GES_TIMELINE_OBJECT_DURATION (obj);
GST_DEBUG ("%p, %ld", obj, pos);
GST_DEBUG ("obj: %p, %ld", obj, pos);
if (GES_IS_TIMELINE_SOURCE (obj)) {
GST_DEBUG ("%p is a source\n", obj);
priority++;
if (G_UNLIKELY (GES_TIMELINE_OBJECT_START (obj) != pos)) {
@ -138,54 +141,63 @@ gstl_recalculate (GESSimpleTimelineLayer * self)
}
pos += dur;
g_assert (priority != -1);
} else if (GES_IS_TIMELINE_TRANSITION (obj)) {
GST_DEBUG ("%p is transition\n", obj);
GST_LOG ("%p is transition\n", obj);
pos -= dur;
transition_priority = MAX (0, priority - 1);
g_assert (transition_priority != -1);
if (G_UNLIKELY (GES_TIMELINE_OBJECT_START (obj) != pos))
ges_timeline_object_set_start (obj, pos);
if (G_UNLIKELY (GES_TIMELINE_OBJECT_PRIORITY (obj) !=
transition_priority)) {
ges_timeline_object_set_priority (obj, transition_priority);
}
/* sanity checks */
l_next = g_list_next (tmp);
if (GES_IS_TIMELINE_TRANSITION (prev_object)) {
GST_ERROR ("two transitions in sequence!");
}
if (GES_IS_TIMELINE_SOURCE (prev_object)) {
pos -= dur;
}
if (G_UNLIKELY (GES_TIMELINE_OBJECT_PRIORITY (obj) != priority)) {
ges_timeline_object_set_priority (obj, priority - 1);
}
if (prev_object && (GES_TIMELINE_OBJECT_DURATION (prev_object) < dur)) {
GST_ERROR ("transition duration exceeds that of previous neighbor!");
}
l_next = g_list_next (tmp);
if (l_next && (GES_TIMELINE_OBJECT_DURATION (l_next->data) < dur)) {
GST_ERROR ("transition duration exceeds that of next neighbor!");
}
ges_timeline_object_set_start (obj, pos);
if (prev_transition) {
guint64 start, end;
end = (GES_TIMELINE_OBJECT_DURATION (prev_transition) +
GES_TIMELINE_OBJECT_START (prev_transition));
start = GES_TIMELINE_OBJECT_START (obj);
start = pos;
if (end > start)
GST_ERROR ("%d, %d: overlapping transitions!", start, end);
}
prev_transition = obj;
}
GST_DEBUG (", %ld\n", pos);
GST_LOG ("obj: %p, start: " GST_TIME_FORMAT " pri: %ld",
obj, GST_TIME_ARGS (pos), priority);
prev_object = obj;
}
GST_DEBUG ("Finished recalculating: final start pos is: " GST_TIME_FORMAT,
GST_TIME_ARGS (pos));
GES_TIMELINE_LAYER (self)->max_gnl_priority = priority;
}