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gst/schedulers/gstoptimalscheduler.c

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Original commit message from CVS:
* gst/schedulers/gstoptimalscheduler.c
(gst_opt_scheduler_pad_unlink): Fix bug that causes totem to
crash on MPEG playback. My boolean arithmetic is a bit rusty.
This commit is contained in:
Johan Dahlin 2004-03-15 19:24:35 +00:00
parent 7073ff35de
commit 84f49e604d
2 changed files with 259 additions and 240 deletions
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4
ChangeLog
View file

@ -1,5 +1,9 @@
2004-03-15 Johan Dahlin <johan@gnome.org>
* gst/schedulers/gstoptimalscheduler.c
(gst_opt_scheduler_pad_unlink): Fix bug that causes totem to
crash on MPEG playback. My boolean arithmetic is a bit rusty.
* tools/Makefile.am (EXTRA_DIST): Add gst-indent
2004-03-15 Thomas Vander Stichele <thomas at apestaart dot org>

65
gst/schedulers/gstoptimalscheduler.c
View file

@ -66,7 +66,8 @@ typedef enum
GST_OPT_SCHEDULER_STATE_ERROR,
GST_OPT_SCHEDULER_STATE_RUNNING,
GST_OPT_SCHEDULER_STATE_INTERRUPTED
} GstOptSchedulerState;
}
GstOptSchedulerState;
struct _GstOptScheduler
{
@ -100,7 +101,8 @@ typedef enum
GST_OPT_SCHEDULER_CHAIN_DIRTY = (1 << 1),
GST_OPT_SCHEDULER_CHAIN_DISABLED = (1 << 2),
GST_OPT_SCHEDULER_CHAIN_RUNNING = (1 << 3),
} GstOptSchedulerChainFlags;
}
GstOptSchedulerChainFlags;
#define GST_OPT_SCHEDULER_CHAIN_DISABLE(chain) ((chain)->flags |= GST_OPT_SCHEDULER_CHAIN_DISABLED)
#define GST_OPT_SCHEDULER_CHAIN_ENABLE(chain) ((chain)->flags &= ~GST_OPT_SCHEDULER_CHAIN_DISABLED)
@ -132,13 +134,15 @@ typedef enum
GST_OPT_SCHEDULER_GROUP_RUNNING = (1 << 4), /* this group is running */
GST_OPT_SCHEDULER_GROUP_SCHEDULABLE = (1 << 5), /* this group is schedulable */
GST_OPT_SCHEDULER_GROUP_VISITED = (1 << 6), /* this group is visited when finding links */
} GstOptSchedulerGroupFlags;
}
GstOptSchedulerGroupFlags;
typedef enum
{
GST_OPT_SCHEDULER_GROUP_GET = 1,
GST_OPT_SCHEDULER_GROUP_LOOP = 2,
} GstOptSchedulerGroupType;
}
GstOptSchedulerGroupType;
#define GST_OPT_SCHEDULER_GROUP_SET_FLAG(group,flag) ((group)->flags |= (flag))
#define GST_OPT_SCHEDULER_GROUP_UNSET_FLAG(group,flag) ((group)->flags &= ~(flag))
@ -272,7 +276,8 @@ typedef struct _GstOptSchedulerCtx GstOptSchedulerCtx;
typedef enum
{
GST_OPT_SCHEDULER_CTX_DISABLED = (1 << 1), /* the element is disabled */
} GstOptSchedulerCtxFlags;
}
GstOptSchedulerCtxFlags;
struct _GstOptSchedulerCtx
{
@ -1595,7 +1600,8 @@ typedef enum
GST_OPT_CHAIN_TO_CHAIN,
GST_OPT_CHAIN_TO_LOOP,
GST_OPT_LOOP_TO_LOOP,
} LinkType;
}
LinkType;
/*
* Entry points for this scheduler.
@ -2064,8 +2070,8 @@ group_dec_links_for_element (GstOptSchedulerGroup * group, GstElement * element)
}
static void
gst_opt_scheduler_pad_unlink (GstScheduler * sched, GstPad * srcpad,
GstPad * sinkpad)
gst_opt_scheduler_pad_unlink (GstScheduler * sched,
GstPad * srcpad, GstPad * sinkpad)
{
GstOptScheduler *osched = GST_OPT_SCHEDULER (sched);
GstElement *element1, *element2;
@ -2133,7 +2139,6 @@ gst_opt_scheduler_pad_unlink (GstScheduler * sched, GstPad * srcpad,
else {
gboolean still_link1, still_link2;
GstOptSchedulerGroup *group;
GstElement *element = NULL; /* shut up gcc */
/* since group1 == group2, it doesn't matter which group we take */
group = group1;
@ -2158,7 +2163,8 @@ gst_opt_scheduler_pad_unlink (GstScheduler * sched, GstPad * srcpad,
while (group->elements)
for (l = group->elements; l && l->data; l = l->next) {
element = (GstElement *) l->data;
GstElement *element = (GstElement *) l->data;
if (GST_ELEMENT_IS_DECOUPLED (element))
continue;
@ -2202,28 +2208,37 @@ gst_opt_scheduler_pad_unlink (GstScheduler * sched, GstPad * srcpad,
return;
}
if (!still_link1 && !still_link2)
return;
/* now check which one of the elements we can remove from the group */
if (still_link1) {
element = element2;
} else if (still_link2) {
element = element1;
}
if (!still_link1) {
/* we only remove elements that are not the entry point of a loop based
* group and are not decoupled */
if (!(group->entry == element &&
if (!(group->entry == element1 &&
group->type == GST_OPT_SCHEDULER_GROUP_LOOP) &&
!GST_ELEMENT_IS_DECOUPLED (element)) {
GST_LOG ("element is separated from the group");
!GST_ELEMENT_IS_DECOUPLED (element1)) {
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, element);
remove_from_group (group, element);
group_dec_links_for_element (group, element1);
remove_from_group (group, element1);
} else {
GST_LOG ("element is decoupled or entry in loop based group");
GST_LOG ("element1 is decoupled or entry in loop based group");
}
}
if (!still_link2) {
/* we only remove elements that are not the entry point of a loop based
* group and are not decoupled */
if (!(group->entry == element2 &&
group->type == GST_OPT_SCHEDULER_GROUP_LOOP) &&
!GST_ELEMENT_IS_DECOUPLED (element2)) {
GST_LOG ("element2 is separated from the group");
/* have to decrement links to other groups from other pads */
group_dec_links_for_element (group, element2);
remove_from_group (group, element2);
} else {
GST_LOG ("element2 is decoupled or entry in loop based group");
}
}
}
}