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gst/schedulers/gstoptimalscheduler.c: when removing an element from a group, we always need to decrement the link cou...

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Original commit message from CVS:
* gst/schedulers/gstoptimalscheduler.c: (remove_from_group),
(group_dec_link), (gst_opt_scheduler_pad_unlink):
when removing an element from a group, we always need to
decrement the link count that this group had with other
groups through the element.
added an extra assert to catch inconsistencies when decrementing
the link count.
This commit is contained in:
Wim Taymans 2004-05-04 16:43:49 +00:00
parent 12bcaf9b04
commit 656cee1af5
2 changed files with 22 additions and 5 deletions
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10
ChangeLog
View file

@ -1,3 +1,13 @@
2004-05-04 Wim Taymans <wim@fluendo.com>
* gst/schedulers/gstoptimalscheduler.c: (remove_from_group),
(group_dec_link), (gst_opt_scheduler_pad_unlink):
when removing an element from a group, we always need to
decrement the link count that this group had with other
groups through the element.
added an extra assert to catch inconsistencies when decrementing
the link count.
2004-05-04 Thomas Vander Stichele <thomas at apestaart dot org>
* configure.ac:

17
gst/schedulers/gstoptimalscheduler.c
View file

@ -215,6 +215,8 @@ static GstOptSchedulerGroup *add_to_group (GstOptSchedulerGroup * group,
GstElement * element);
static GstOptSchedulerGroup *remove_from_group (GstOptSchedulerGroup * group,
GstElement * element);
static void group_dec_links_for_element (GstOptSchedulerGroup * group,
GstElement * element);
static GstOptSchedulerGroup *merge_groups (GstOptSchedulerGroup * group1,
GstOptSchedulerGroup * group2);
static void setup_group_scheduler (GstOptScheduler * osched,
@ -846,6 +848,10 @@ remove_from_group (GstOptSchedulerGroup * group, GstElement * element)
g_assert (element != NULL);
g_assert (GST_ELEMENT_SCHED_GROUP (element) == group);
/* first decrement the links that this group has with other groups through
* this element */
group_dec_links_for_element (group, element);
group->elements = g_slist_remove (group->elements, element);
group->num_elements--;
@ -1612,6 +1618,7 @@ group_dec_link (GstOptSchedulerGroup * group1, GstOptSchedulerGroup * group2)
links = g_slist_next (links);
if (IS_GROUP_LINK (link, group1, group2)) {
g_assert (link->count > 0);
link->count--;
GST_LOG ("link count between %p and %p is now %d",
group1, group2, link->count);
@ -2073,6 +2080,11 @@ group_can_reach_group (GstOptSchedulerGroup * group,
return reachable;
}
/*
* Go through all the pads of the given element and decrement the links that
* this group has with the group of the element. This function is mainly used
* to update the group connections before we remove element from the group.
*/
static void
group_dec_links_for_element (GstOptSchedulerGroup * group, GstElement * element)
{
@ -2215,7 +2227,6 @@ gst_opt_scheduler_pad_unlink (GstScheduler * sched,
}
if (linkcount < 2) {
group_dec_links_for_element (group, element);
remove_from_group (group, element);
}
/* if linkcount == 2, it will be unlinked later on */
@ -2239,8 +2250,6 @@ gst_opt_scheduler_pad_unlink (GstScheduler * sched,
!GST_ELEMENT_IS_DECOUPLED (src_element)) {
GST_LOG ("el ement1 is separated from the group");
/* have to decrement links to other groups from other pads */
group_dec_links_for_element (group, src_element);
remove_from_group (group, src_element);
} else {
GST_LOG ("src_element is decoupled or entry in loop based group");
@ -2255,8 +2264,6 @@ gst_opt_scheduler_pad_unlink (GstScheduler * sched,
!GST_ELEMENT_IS_DECOUPLED (sink_element)) {
GST_LOG ("sink_element is separated from the group");
/* have to decrement links to other groups from other pads */
group_dec_links_for_element (group, sink_element);
remove_from_group (group, sink_element);
} else {
GST_LOG ("sink_element is decoupled or entry in loop based group");