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gst/schedulers/gstoptimalscheduler.c
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
parent
7073ff35de
commit
84f49e604d
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@ -1,7 +1,11 @@
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2004-03-15 Johan Dahlin <johan@gnome.org>
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* tools/Makefile.am (EXTRA_DIST): Add gst-indent
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* gst/schedulers/gstoptimalscheduler.c
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(gst_opt_scheduler_pad_unlink): Fix bug that causes totem to
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crash on MPEG playback. My boolean arithmetic is a bit rusty.
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* tools/Makefile.am (EXTRA_DIST): Add gst-indent
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2004-03-15 Thomas Vander Stichele <thomas at apestaart dot org>
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* testsuite/Rules:
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@ -66,7 +66,8 @@ typedef enum
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GST_OPT_SCHEDULER_STATE_ERROR,
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GST_OPT_SCHEDULER_STATE_RUNNING,
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GST_OPT_SCHEDULER_STATE_INTERRUPTED
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} GstOptSchedulerState;
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}
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GstOptSchedulerState;
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struct _GstOptScheduler
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{
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@ -100,7 +101,8 @@ typedef enum
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GST_OPT_SCHEDULER_CHAIN_DIRTY = (1 << 1),
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GST_OPT_SCHEDULER_CHAIN_DISABLED = (1 << 2),
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GST_OPT_SCHEDULER_CHAIN_RUNNING = (1 << 3),
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} GstOptSchedulerChainFlags;
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}
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GstOptSchedulerChainFlags;
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#define GST_OPT_SCHEDULER_CHAIN_DISABLE(chain) ((chain)->flags |= GST_OPT_SCHEDULER_CHAIN_DISABLED)
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#define GST_OPT_SCHEDULER_CHAIN_ENABLE(chain) ((chain)->flags &= ~GST_OPT_SCHEDULER_CHAIN_DISABLED)
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@ -116,7 +118,7 @@ struct _GstOptSchedulerChain
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GstOptSchedulerChainFlags flags;
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GSList *groups; /* the groups in this chain */
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GSList *groups; /* the groups in this chain */
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gint num_groups;
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gint num_enabled;
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};
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@ -126,19 +128,21 @@ struct _GstOptSchedulerChain
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*/
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typedef enum
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{
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GST_OPT_SCHEDULER_GROUP_DIRTY = (1 << 1), /* this group has been modified */
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GST_OPT_SCHEDULER_GROUP_COTHREAD_STOPPING = (1 << 2), /* the group's cothread stops after one iteration */
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GST_OPT_SCHEDULER_GROUP_DISABLED = (1 << 3), /* this group is disabled */
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GST_OPT_SCHEDULER_GROUP_RUNNING = (1 << 4), /* this group is running */
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GST_OPT_SCHEDULER_GROUP_SCHEDULABLE = (1 << 5), /* this group is schedulable */
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GST_OPT_SCHEDULER_GROUP_VISITED = (1 << 6), /* this group is visited when finding links */
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} GstOptSchedulerGroupFlags;
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GST_OPT_SCHEDULER_GROUP_DIRTY = (1 << 1), /* this group has been modified */
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GST_OPT_SCHEDULER_GROUP_COTHREAD_STOPPING = (1 << 2), /* the group's cothread stops after one iteration */
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GST_OPT_SCHEDULER_GROUP_DISABLED = (1 << 3), /* this group is disabled */
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GST_OPT_SCHEDULER_GROUP_RUNNING = (1 << 4), /* this group is running */
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GST_OPT_SCHEDULER_GROUP_SCHEDULABLE = (1 << 5), /* this group is schedulable */
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GST_OPT_SCHEDULER_GROUP_VISITED = (1 << 6), /* this group is visited when finding links */
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}
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GstOptSchedulerGroupFlags;
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typedef enum
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{
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GST_OPT_SCHEDULER_GROUP_GET = 1,
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GST_OPT_SCHEDULER_GROUP_LOOP = 2,
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} GstOptSchedulerGroupType;
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}
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GstOptSchedulerGroupType;
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#define GST_OPT_SCHEDULER_GROUP_SET_FLAG(group,flag) ((group)->flags |= (flag))
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#define GST_OPT_SCHEDULER_GROUP_UNSET_FLAG(group,flag) ((group)->flags &= ~(flag))
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@ -156,9 +160,9 @@ typedef struct _GstOptSchedulerGroupLink GstOptSchedulerGroupLink;
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/* used to keep track of links with other groups */
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struct _GstOptSchedulerGroupLink
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{
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GstOptSchedulerGroup *group1; /* the group we are linked with */
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GstOptSchedulerGroup *group2; /* the group we are linked with */
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gint count; /* the number of links with the group */
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GstOptSchedulerGroup *group1; /* the group we are linked with */
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GstOptSchedulerGroup *group2; /* the group we are linked with */
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gint count; /* the number of links with the group */
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};
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#define IS_GROUP_LINK(link, group1, group2) ((link->group1 == group1 && link->group2 == group2) || \
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@ -169,21 +173,21 @@ typedef int (*GroupScheduleFunction) (int argc, char *argv[]);
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struct _GstOptSchedulerGroup
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{
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GstOptSchedulerChain *chain; /* the chain this group belongs to */
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GstOptSchedulerGroupFlags flags; /* flags for this group */
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GstOptSchedulerGroupType type; /* flags for this group */
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GstOptSchedulerChain *chain; /* the chain this group belongs to */
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GstOptSchedulerGroupFlags flags; /* flags for this group */
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GstOptSchedulerGroupType type; /* flags for this group */
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gint refcount;
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GSList *elements; /* elements of this group */
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GSList *elements; /* elements of this group */
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gint num_elements;
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gint num_enabled;
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GstElement *entry; /* the group's entry point */
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GstElement *entry; /* the group's entry point */
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GSList *group_links; /* other groups that are linked with this group */
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GSList *group_links; /* other groups that are linked with this group */
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#ifdef USE_COTHREADS
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cothread *cothread; /* the cothread of this group */
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cothread *cothread; /* the cothread of this group */
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#else
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GroupScheduleFunction schedulefunc;
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#endif
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@ -271,14 +275,15 @@ typedef struct _GstOptSchedulerCtx GstOptSchedulerCtx;
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typedef enum
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{
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GST_OPT_SCHEDULER_CTX_DISABLED = (1 << 1), /* the element is disabled */
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} GstOptSchedulerCtxFlags;
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GST_OPT_SCHEDULER_CTX_DISABLED = (1 << 1), /* the element is disabled */
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}
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GstOptSchedulerCtxFlags;
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struct _GstOptSchedulerCtx
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{
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GstOptSchedulerGroup *group; /* the group this element belongs to */
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GstOptSchedulerGroup *group; /* the group this element belongs to */
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GstOptSchedulerCtxFlags flags; /* flags for this element */
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GstOptSchedulerCtxFlags flags; /* flags for this element */
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};
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@ -352,7 +357,7 @@ gst_opt_scheduler_get_type (void)
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};
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_gst_opt_scheduler_type = g_type_register_static (GST_TYPE_SCHEDULER,
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"GstOpt" COTHREADS_NAME_CAPITAL "Scheduler", &scheduler_info, 0);
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"GstOpt" COTHREADS_NAME_CAPITAL "Scheduler", &scheduler_info, 0);
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}
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return _gst_opt_scheduler_type;
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}
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@ -378,12 +383,12 @@ gst_opt_scheduler_class_init (GstOptSchedulerClass * klass)
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ITERATIONS,
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g_param_spec_int ("iterations", "Iterations",
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"Number of groups to schedule in one iteration (-1 == until EOS/error)",
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-1, G_MAXINT, 1, G_PARAM_READWRITE));
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"Number of groups to schedule in one iteration (-1 == until EOS/error)",
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-1, G_MAXINT, 1, G_PARAM_READWRITE));
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#ifndef USE_COTHREADS
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MAX_RECURSION,
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g_param_spec_int ("max_recursion", "Max recursion",
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"Maximum number of recursions", 1, G_MAXINT, 100, G_PARAM_READWRITE));
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"Maximum number of recursions", 1, G_MAXINT, 100, G_PARAM_READWRITE));
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#endif
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gstscheduler_class->setup = GST_DEBUG_FUNCPTR (gst_opt_scheduler_setup);
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@ -639,7 +644,7 @@ chain_group_set_enabled (GstOptSchedulerChain * chain,
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chain->num_enabled++;
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GST_DEBUG ("enable group %p in chain %p, now %d groups enabled out of %d",
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group, chain, chain->num_enabled, chain->num_groups);
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group, chain, chain->num_enabled, chain->num_groups);
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/* OK to call even if the scheduler (cothread context / schedulerfunc) was
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setup already -- will get destroyed when the group is destroyed */
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@ -654,7 +659,7 @@ chain_group_set_enabled (GstOptSchedulerChain * chain,
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chain->num_enabled--;
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GST_DEBUG ("disable group %p in chain %p, now %d groups enabled out of %d",
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group, chain, chain->num_enabled, chain->num_groups);
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group, chain, chain->num_enabled, chain->num_groups);
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if (chain->num_enabled == 0) {
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GST_DEBUG ("disable chain %p", chain);
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@ -687,7 +692,7 @@ chain_recursively_migrate_group (GstOptSchedulerChain * chain,
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links = g_slist_next (links);
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chain_recursively_migrate_group (chain,
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(link->group1 == group ? link->group2 : link->group1));
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(link->group1 == group ? link->group2 : link->group1));
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}
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}
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@ -723,13 +728,13 @@ create_group (GstOptSchedulerChain * chain, GstElement * element,
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group = g_new0 (GstOptSchedulerGroup, 1);
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GST_LOG ("new group %p", group);
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group->refcount = 1; /* float... */
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group->refcount = 1; /* float... */
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group->flags = GST_OPT_SCHEDULER_GROUP_DISABLED;
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group->type = type;
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add_to_group (group, element);
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add_to_chain (chain, group);
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group = unref_group (group); /* ...and sink. */
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group = unref_group (group); /* ...and sink. */
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/* group's refcount is now 2 (one for the element, one for the chain) */
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@ -763,7 +768,7 @@ add_to_group (GstOptSchedulerGroup * group, GstElement * element)
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if (GST_ELEMENT_IS_DECOUPLED (element)) {
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GST_DEBUG ("element \"%s\" is decoupled, not adding to group %p",
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GST_ELEMENT_NAME (element), group);
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GST_ELEMENT_NAME (element), group);
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return group;
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}
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@ -863,10 +868,10 @@ setup_group_scheduler (GstOptScheduler * osched, GstOptSchedulerGroup * group)
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#ifdef USE_COTHREADS
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if (!(group->flags & GST_OPT_SCHEDULER_GROUP_SCHEDULABLE)) {
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do_cothread_create (group->cothread, osched->context,
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(cothread_func) wrapper, 0, (char **) group);
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(cothread_func) wrapper, 0, (char **) group);
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} else {
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do_cothread_setfunc (group->cothread, osched->context,
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(cothread_func) wrapper, 0, (char **) group);
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(cothread_func) wrapper, 0, (char **) group);
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}
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#else
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group->schedulefunc = wrapper;
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@ -932,17 +937,17 @@ group_element_set_enabled (GstOptSchedulerGroup * group, GstElement * element,
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group->num_enabled++;
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GST_DEBUG
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("enable element %s in group %p, now %d elements enabled out of %d",
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GST_ELEMENT_NAME (element), group, group->num_enabled,
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group->num_elements);
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("enable element %s in group %p, now %d elements enabled out of %d",
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GST_ELEMENT_NAME (element), group, group->num_enabled,
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group->num_elements);
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if (group->num_enabled == group->num_elements) {
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if (!group->chain) {
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GST_DEBUG ("enable chainless group %p", group);
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GST_OPT_SCHEDULER_GROUP_ENABLE (group);
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GST_DEBUG ("enable chainless group %p", group);
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GST_OPT_SCHEDULER_GROUP_ENABLE (group);
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} else {
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GST_LOG ("enable group %p", group);
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chain_group_set_enabled (group->chain, group, TRUE);
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GST_LOG ("enable group %p", group);
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chain_group_set_enabled (group->chain, group, TRUE);
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}
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}
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} else {
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@ -950,17 +955,17 @@ group_element_set_enabled (GstOptSchedulerGroup * group, GstElement * element,
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group->num_enabled--;
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GST_DEBUG
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("disable element %s in group %p, now %d elements enabled out of %d",
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GST_ELEMENT_NAME (element), group, group->num_enabled,
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group->num_elements);
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("disable element %s in group %p, now %d elements enabled out of %d",
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GST_ELEMENT_NAME (element), group, group->num_enabled,
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group->num_elements);
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if (group->num_enabled == 0) {
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if (!group->chain) {
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GST_DEBUG ("disable chainless group %p", group);
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GST_OPT_SCHEDULER_GROUP_DISABLE (group);
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GST_DEBUG ("disable chainless group %p", group);
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GST_OPT_SCHEDULER_GROUP_DISABLE (group);
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} else {
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GST_LOG ("disable group %p", group);
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chain_group_set_enabled (group->chain, group, FALSE);
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GST_LOG ("disable group %p", group);
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chain_group_set_enabled (group->chain, group, FALSE);
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}
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}
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}
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@ -996,7 +1001,7 @@ schedule_group (GstOptSchedulerGroup * group)
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GstElement *e = (GstElement *) l->data;
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if (e->pre_run_func)
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e->pre_run_func (e);
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e->pre_run_func (e);
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}
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group->schedulefunc (group->argc, group->argv);
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@ -1005,7 +1010,7 @@ schedule_group (GstOptSchedulerGroup * group)
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GstElement *e = (GstElement *) l->data;
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if (e->post_run_func)
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e->post_run_func (e);
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e->post_run_func (e);
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}
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}
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@ -1081,8 +1086,8 @@ schedule_chain (GstOptSchedulerChain * chain)
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#else
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osched->recursion = 0;
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if (!g_list_find (osched->runqueue, group)) {
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ref_group (group);
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osched->runqueue = g_list_append (osched->runqueue, group);
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ref_group (group);
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osched->runqueue = g_list_append (osched->runqueue, group);
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}
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gst_opt_scheduler_schedule_run_queue (osched);
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#endif
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@ -1122,13 +1127,13 @@ get_group_schedule_function (int argc, char *argv[])
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continue;
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GST_DEBUG ("doing get and push on pad \"%s:%s\" in group %p",
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GST_DEBUG_PAD_NAME (pad), group);
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GST_DEBUG_PAD_NAME (pad), group);
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data = GST_RPAD_GETFUNC (pad) (pad);
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if (data) {
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if (GST_EVENT_IS_INTERRUPT (data)) {
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gst_event_unref (GST_EVENT (data));
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break;
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gst_event_unref (GST_EVENT (data));
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break;
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}
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gst_pad_push (pad, data);
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}
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@ -1202,7 +1207,7 @@ gst_opt_scheduler_loop_wrapper (GstPad * sinkpad, GstData * data)
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group_error_handler (group);
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} else {
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GST_LOG ("queueing data %p on %s:%s's bufpen", data,
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GST_DEBUG_PAD_NAME (peer));
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GST_DEBUG_PAD_NAME (peer));
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GST_PAD_BUFLIST (peer) = g_list_append (GST_PAD_BUFLIST (peer), data);
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schedule_group (group);
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}
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@ -1261,8 +1266,8 @@ gst_opt_scheduler_get_wrapper (GstPad * srcpad)
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ref_group (group);
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if (!g_list_find (osched->runqueue, group)) {
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ref_group (group);
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osched->runqueue = g_list_append (osched->runqueue, group);
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ref_group (group);
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osched->runqueue = g_list_append (osched->runqueue, group);
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}
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GST_LOG ("recursing into scheduler group %p", group);
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@ -1274,8 +1279,8 @@ gst_opt_scheduler_get_wrapper (GstPad * srcpad)
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group = unref_group (group);
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/* group is gone */
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if (group == NULL) {
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/* if the group was gone we also might have to break out of the loop */
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disabled = TRUE;
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/* if the group was gone we also might have to break out of the loop */
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disabled = TRUE;
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}
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} else {
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/* in this case, the group was running and we wanted to swtich to it,
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@ -1292,12 +1297,12 @@ gst_opt_scheduler_get_wrapper (GstPad * srcpad)
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data = GST_DATA (gst_event_new (GST_EVENT_INTERRUPT));
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} else {
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if (GST_PAD_BUFLIST (srcpad)) {
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data = GST_PAD_BUFLIST (srcpad)->data;
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GST_PAD_BUFLIST (srcpad) =
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g_list_remove (GST_PAD_BUFLIST (srcpad), data);
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data = GST_PAD_BUFLIST (srcpad)->data;
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GST_PAD_BUFLIST (srcpad) =
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g_list_remove (GST_PAD_BUFLIST (srcpad), data);
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} else if (disabled) {
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/* no buffer in queue and peer group was disabled */
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data = GST_DATA (gst_event_new (GST_EVENT_INTERRUPT));
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/* no buffer in queue and peer group was disabled */
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data = GST_DATA (gst_event_new (GST_EVENT_INTERRUPT));
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}
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}
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}
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@ -1386,16 +1391,16 @@ gst_opt_scheduler_state_transition (GstScheduler * sched, GstElement * element,
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GST_LOG ("parent \"%s\" changed state", GST_ELEMENT_NAME (element));
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switch (transition) {
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case GST_STATE_PLAYING_TO_PAUSED:
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GST_INFO ("setting scheduler state to stopped");
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GST_SCHEDULER_STATE (sched) = GST_SCHEDULER_STATE_STOPPED;
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break;
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case GST_STATE_PAUSED_TO_PLAYING:
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GST_INFO ("setting scheduler state to running");
|
||||
GST_SCHEDULER_STATE (sched) = GST_SCHEDULER_STATE_RUNNING;
|
||||
break;
|
||||
default:
|
||||
GST_LOG ("no interesting state change, doing nothing");
|
||||
case GST_STATE_PLAYING_TO_PAUSED:
|
||||
GST_INFO ("setting scheduler state to stopped");
|
||||
GST_SCHEDULER_STATE (sched) = GST_SCHEDULER_STATE_STOPPED;
|
||||
break;
|
||||
case GST_STATE_PAUSED_TO_PLAYING:
|
||||
GST_INFO ("setting scheduler state to running");
|
||||
GST_SCHEDULER_STATE (sched) = GST_SCHEDULER_STATE_RUNNING;
|
||||
break;
|
||||
default:
|
||||
GST_LOG ("no interesting state change, doing nothing");
|
||||
}
|
||||
}
|
||||
return res;
|
||||
|
|
@ -1413,18 +1418,18 @@ gst_opt_scheduler_state_transition (GstScheduler * sched, GstElement * element,
|
|||
/* an element withut a group has to be an unlinked src, sink
|
||||
* filter element */
|
||||
if (!group) {
|
||||
GST_INFO ("element \"%s\" has no group", GST_ELEMENT_NAME (element));
|
||||
res = GST_STATE_FAILURE;
|
||||
GST_INFO ("element \"%s\" has no group", GST_ELEMENT_NAME (element));
|
||||
res = GST_STATE_FAILURE;
|
||||
}
|
||||
/* else construct the scheduling context of this group and enable it */
|
||||
else {
|
||||
group_element_set_enabled (group, element, TRUE);
|
||||
group_element_set_enabled (group, element, TRUE);
|
||||
}
|
||||
break;
|
||||
case GST_STATE_PLAYING_TO_PAUSED:
|
||||
/* if the element still has a group, we disable it */
|
||||
if (group)
|
||||
group_element_set_enabled (group, element, FALSE);
|
||||
group_element_set_enabled (group, element, FALSE);
|
||||
break;
|
||||
case GST_STATE_PAUSED_TO_READY:
|
||||
{
|
||||
|
|
@ -1484,7 +1489,7 @@ group_elements (GstOptScheduler * osched, GstElement * element1,
|
|||
GstOptSchedulerChain *chain;
|
||||
|
||||
GST_DEBUG ("creating new group to hold \"%s\" and \"%s\"",
|
||||
GST_ELEMENT_NAME (element1), GST_ELEMENT_NAME (element2));
|
||||
GST_ELEMENT_NAME (element1), GST_ELEMENT_NAME (element2));
|
||||
|
||||
chain = create_chain (osched);
|
||||
group = create_group (chain, element1, type);
|
||||
|
|
@ -1493,7 +1498,7 @@ group_elements (GstOptScheduler * osched, GstElement * element1,
|
|||
/* the first element has a group */
|
||||
else if (group1) {
|
||||
GST_DEBUG ("adding \"%s\" to \"%s\"'s group",
|
||||
GST_ELEMENT_NAME (element2), GST_ELEMENT_NAME (element1));
|
||||
GST_ELEMENT_NAME (element2), GST_ELEMENT_NAME (element1));
|
||||
|
||||
/* the second element also has a group, merge */
|
||||
if (group2)
|
||||
|
|
@ -1509,7 +1514,7 @@ group_elements (GstOptScheduler * osched, GstElement * element1,
|
|||
* group of element2 */
|
||||
else {
|
||||
GST_DEBUG ("adding \"%s\" to \"%s\"'s group",
|
||||
GST_ELEMENT_NAME (element1), GST_ELEMENT_NAME (element2));
|
||||
GST_ELEMENT_NAME (element1), GST_ELEMENT_NAME (element2));
|
||||
add_to_group (group2, element1);
|
||||
group = group2;
|
||||
}
|
||||
|
|
@ -1535,7 +1540,7 @@ group_inc_link (GstOptSchedulerGroup * group1, GstOptSchedulerGroup * group2)
|
|||
/* we found a link to this group, increment the link count */
|
||||
link->count++;
|
||||
GST_LOG ("incremented group link count between %p and %p to %d",
|
||||
group1, group2, link->count);
|
||||
group1, group2, link->count);
|
||||
done = TRUE;
|
||||
}
|
||||
}
|
||||
|
|
@ -1571,13 +1576,13 @@ group_dec_link (GstOptSchedulerGroup * group1, GstOptSchedulerGroup * group2)
|
|||
if (IS_GROUP_LINK (link, group1, group2)) {
|
||||
link->count--;
|
||||
GST_LOG ("link count between %p and %p is now %d",
|
||||
group1, group2, link->count);
|
||||
group1, group2, link->count);
|
||||
if (link->count == 0) {
|
||||
group1->group_links = g_slist_remove (group1->group_links, link);
|
||||
group2->group_links = g_slist_remove (group2->group_links, link);
|
||||
g_free (link);
|
||||
GST_DEBUG ("removed group link between %p and %p", group1, group2);
|
||||
res = TRUE;
|
||||
group1->group_links = g_slist_remove (group1->group_links, link);
|
||||
group2->group_links = g_slist_remove (group2->group_links, link);
|
||||
g_free (link);
|
||||
GST_DEBUG ("removed group link between %p and %p", group1, group2);
|
||||
res = TRUE;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
|
@ -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.
|
||||
|
|
@ -1684,7 +1690,7 @@ gst_opt_scheduler_add_element (GstScheduler * sched, GstElement * element)
|
|||
group->entry = element;
|
||||
|
||||
GST_LOG ("added element \"%s\" as loop based entry",
|
||||
GST_ELEMENT_NAME (element));
|
||||
GST_ELEMENT_NAME (element));
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1736,7 +1742,7 @@ gst_opt_scheduler_yield (GstScheduler * sched, GstElement * element)
|
|||
get_group (element, &group);
|
||||
if (group && group->entry == element)
|
||||
do_cothread_switch (do_cothread_get_main (((GstOptScheduler *) sched)->
|
||||
context));
|
||||
context));
|
||||
|
||||
return FALSE;
|
||||
#else
|
||||
|
|
@ -1753,7 +1759,7 @@ gst_opt_scheduler_interrupt (GstScheduler * sched, GstElement * element)
|
|||
|
||||
#ifdef USE_COTHREADS
|
||||
do_cothread_switch (do_cothread_get_main (((GstOptScheduler *) sched)->
|
||||
context));
|
||||
context));
|
||||
return FALSE;
|
||||
#else
|
||||
{
|
||||
|
|
@ -1801,46 +1807,46 @@ gst_opt_scheduler_pad_link (GstScheduler * sched, GstPad * srcpad,
|
|||
else {
|
||||
if (element1->loopfunc) {
|
||||
if (GST_RPAD_CHAINFUNC (sinkpad))
|
||||
type = GST_OPT_LOOP_TO_CHAIN;
|
||||
type = GST_OPT_LOOP_TO_CHAIN;
|
||||
} else if (element2->loopfunc) {
|
||||
if (GST_RPAD_GETFUNC (srcpad)) {
|
||||
type = GST_OPT_GET_TO_LOOP;
|
||||
/* this could be tricky, the get based source could
|
||||
* already be part of a loop based group in another pad,
|
||||
* we assert on that for now */
|
||||
if (GST_ELEMENT_SCHED_CONTEXT (element1) != NULL &&
|
||||
GST_ELEMENT_SCHED_GROUP (element1) != NULL) {
|
||||
GstOptSchedulerGroup *group = GST_ELEMENT_SCHED_GROUP (element1);
|
||||
type = GST_OPT_GET_TO_LOOP;
|
||||
/* this could be tricky, the get based source could
|
||||
* already be part of a loop based group in another pad,
|
||||
* we assert on that for now */
|
||||
if (GST_ELEMENT_SCHED_CONTEXT (element1) != NULL &&
|
||||
GST_ELEMENT_SCHED_GROUP (element1) != NULL) {
|
||||
GstOptSchedulerGroup *group = GST_ELEMENT_SCHED_GROUP (element1);
|
||||
|
||||
/* if the loop based element is the entry point we're ok, if it
|
||||
* isn't then we have multiple loop based elements in this group */
|
||||
if (group->entry != element2) {
|
||||
g_error
|
||||
("internal error: cannot schedule get to loop in multi-loop based group");
|
||||
return;
|
||||
}
|
||||
}
|
||||
/* if the loop based element is the entry point we're ok, if it
|
||||
* isn't then we have multiple loop based elements in this group */
|
||||
if (group->entry != element2) {
|
||||
g_error
|
||||
("internal error: cannot schedule get to loop in multi-loop based group");
|
||||
return;
|
||||
}
|
||||
}
|
||||
} else
|
||||
type = GST_OPT_CHAIN_TO_LOOP;
|
||||
type = GST_OPT_CHAIN_TO_LOOP;
|
||||
} else {
|
||||
if (GST_RPAD_GETFUNC (srcpad) && GST_RPAD_CHAINFUNC (sinkpad)) {
|
||||
type = GST_OPT_GET_TO_CHAIN;
|
||||
/* the get based source could already be part of a loop
|
||||
* based group in another pad, we assert on that for now */
|
||||
if (GST_ELEMENT_SCHED_CONTEXT (element1) != NULL &&
|
||||
GST_ELEMENT_SCHED_GROUP (element1) != NULL) {
|
||||
GstOptSchedulerGroup *group = GST_ELEMENT_SCHED_GROUP (element1);
|
||||
type = GST_OPT_GET_TO_CHAIN;
|
||||
/* the get based source could already be part of a loop
|
||||
* based group in another pad, we assert on that for now */
|
||||
if (GST_ELEMENT_SCHED_CONTEXT (element1) != NULL &&
|
||||
GST_ELEMENT_SCHED_GROUP (element1) != NULL) {
|
||||
GstOptSchedulerGroup *group = GST_ELEMENT_SCHED_GROUP (element1);
|
||||
|
||||
/* if the get based element is the entry point we're ok, if it
|
||||
* isn't then we have a mixed loop/chain based group */
|
||||
if (group->entry != element1) {
|
||||
g_error
|
||||
("internal error: cannot schedule get to chain with mixed loop/chain based group");
|
||||
return;
|
||||
}
|
||||
}
|
||||
/* if the get based element is the entry point we're ok, if it
|
||||
* isn't then we have a mixed loop/chain based group */
|
||||
if (group->entry != element1) {
|
||||
g_error
|
||||
("internal error: cannot schedule get to chain with mixed loop/chain based group");
|
||||
return;
|
||||
}
|
||||
}
|
||||
} else
|
||||
type = GST_OPT_CHAIN_TO_CHAIN;
|
||||
type = GST_OPT_CHAIN_TO_CHAIN;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1860,22 +1866,22 @@ gst_opt_scheduler_pad_link (GstScheduler * sched, GstPad * srcpad,
|
|||
/* setup get/chain handlers */
|
||||
GST_RPAD_GETHANDLER (srcpad) = GST_RPAD_GETFUNC (srcpad);
|
||||
if (GST_ELEMENT_IS_EVENT_AWARE (element2))
|
||||
GST_RPAD_CHAINHANDLER (sinkpad) = GST_RPAD_CHAINFUNC (sinkpad);
|
||||
GST_RPAD_CHAINHANDLER (sinkpad) = GST_RPAD_CHAINFUNC (sinkpad);
|
||||
else
|
||||
GST_RPAD_CHAINHANDLER (sinkpad) = gst_opt_scheduler_chain_wrapper;
|
||||
GST_RPAD_CHAINHANDLER (sinkpad) = gst_opt_scheduler_chain_wrapper;
|
||||
|
||||
/* the two elements should be put into the same group,
|
||||
* this also means that they are in the same chain automatically */
|
||||
group = group_elements (osched, element1, element2,
|
||||
GST_OPT_SCHEDULER_GROUP_GET);
|
||||
GST_OPT_SCHEDULER_GROUP_GET);
|
||||
|
||||
/* if there is not yet an entry in the group, select the source
|
||||
* element as the entry point */
|
||||
if (!group->entry) {
|
||||
group->entry = element1;
|
||||
group->entry = element1;
|
||||
|
||||
GST_DEBUG ("setting \"%s\" as entry point of _get-based group %p",
|
||||
GST_ELEMENT_NAME (element1), group);
|
||||
GST_DEBUG ("setting \"%s\" as entry point of _get-based group %p",
|
||||
GST_ELEMENT_NAME (element1), group);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
|
@ -1884,9 +1890,9 @@ gst_opt_scheduler_pad_link (GstScheduler * sched, GstPad * srcpad,
|
|||
GST_LOG ("loop/chain to chain based link");
|
||||
|
||||
if (GST_ELEMENT_IS_EVENT_AWARE (element2))
|
||||
GST_RPAD_CHAINHANDLER (sinkpad) = GST_RPAD_CHAINFUNC (sinkpad);
|
||||
GST_RPAD_CHAINHANDLER (sinkpad) = GST_RPAD_CHAINFUNC (sinkpad);
|
||||
else
|
||||
GST_RPAD_CHAINHANDLER (sinkpad) = gst_opt_scheduler_chain_wrapper;
|
||||
GST_RPAD_CHAINHANDLER (sinkpad) = gst_opt_scheduler_chain_wrapper;
|
||||
|
||||
/* the two elements should be put into the same group,
|
||||
* this also means that they are in the same chain automatically,
|
||||
|
|
@ -1926,17 +1932,17 @@ gst_opt_scheduler_pad_link (GstScheduler * sched, GstPad * srcpad,
|
|||
/* group2 is guaranteed to exist as it contains a loop-based element.
|
||||
* group1 only exists if element1 is linked to some other element */
|
||||
if (!group1) {
|
||||
/* create a new group for element1 as it cannot be merged into another group
|
||||
* here. we create the group in the same chain as the loop-based element. */
|
||||
GST_DEBUG ("creating new group for element %s",
|
||||
GST_ELEMENT_NAME (element1));
|
||||
group1 =
|
||||
create_group (group2->chain, element1,
|
||||
GST_OPT_SCHEDULER_GROUP_LOOP);
|
||||
/* create a new group for element1 as it cannot be merged into another group
|
||||
* here. we create the group in the same chain as the loop-based element. */
|
||||
GST_DEBUG ("creating new group for element %s",
|
||||
GST_ELEMENT_NAME (element1));
|
||||
group1 =
|
||||
create_group (group2->chain, element1,
|
||||
GST_OPT_SCHEDULER_GROUP_LOOP);
|
||||
} else {
|
||||
/* both elements are already in a group, make sure they are added to
|
||||
* the same chain */
|
||||
merge_chains (group1->chain, group2->chain);
|
||||
/* both elements are already in a group, make sure they are added to
|
||||
* the same chain */
|
||||
merge_chains (group1->chain, group2->chain);
|
||||
}
|
||||
group_inc_link (group1, group2);
|
||||
break;
|
||||
|
|
@ -1978,14 +1984,14 @@ element_has_link_with_group (GstElement * element, GstOptSchedulerGroup * group,
|
|||
|
||||
/* links with decoupled elements are valid */
|
||||
if (GST_ELEMENT_IS_DECOUPLED (parent)) {
|
||||
linked = TRUE;
|
||||
linked = TRUE;
|
||||
} else {
|
||||
/* for non-decoupled elements we need to check the group */
|
||||
get_group (parent, &parentgroup);
|
||||
/* for non-decoupled elements we need to check the group */
|
||||
get_group (parent, &parentgroup);
|
||||
|
||||
/* if it's in the same group, we're still linked */
|
||||
if (parentgroup == group)
|
||||
linked = TRUE;
|
||||
/* if it's in the same group, we're still linked */
|
||||
if (parentgroup == group)
|
||||
linked = TRUE;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -2013,7 +2019,7 @@ group_can_reach_group (GstOptSchedulerGroup * group,
|
|||
|
||||
/* if the group is marked as visited, we don't need to check here */
|
||||
if (GST_OPT_SCHEDULER_GROUP_IS_FLAG_SET (group,
|
||||
GST_OPT_SCHEDULER_GROUP_VISITED)) {
|
||||
GST_OPT_SCHEDULER_GROUP_VISITED)) {
|
||||
GST_LOG ("already visited %p", group);
|
||||
return FALSE;
|
||||
}
|
||||
|
|
@ -2058,14 +2064,14 @@ group_dec_links_for_element (GstOptSchedulerGroup * group, GstElement * element)
|
|||
if (GST_IS_REAL_PAD (pad) && GST_PAD_PEER (pad)) {
|
||||
get_group (GST_PAD_PARENT (GST_PAD_PEER (pad)), &peer_group);
|
||||
if (peer_group && peer_group != group)
|
||||
group_dec_link (group, peer_group);
|
||||
group_dec_link (group, peer_group);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
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;
|
||||
|
|
@ -2093,7 +2099,7 @@ gst_opt_scheduler_pad_unlink (GstScheduler * sched, GstPad * srcpad,
|
|||
* about the link */
|
||||
if (!group1 || !group2) {
|
||||
GST_LOG
|
||||
("one (or both) of the elements is not in a group, not interesting");
|
||||
("one (or both) of the elements is not in a group, not interesting");
|
||||
return;
|
||||
}
|
||||
|
||||
|
|
@ -2116,24 +2122,23 @@ gst_opt_scheduler_pad_unlink (GstScheduler * sched, GstPad * srcpad,
|
|||
still_link = group_can_reach_group (group1, group2);
|
||||
|
||||
GST_DEBUG ("group %p %s reach group %p", group1,
|
||||
(still_link ? "can" : "can't"), group2);
|
||||
(still_link ? "can" : "can't"), group2);
|
||||
if (!still_link) {
|
||||
/* groups are really disconnected, migrate one group to a new chain */
|
||||
chain = create_chain (osched);
|
||||
chain_recursively_migrate_group (chain, group1);
|
||||
/* groups are really disconnected, migrate one group to a new chain */
|
||||
chain = create_chain (osched);
|
||||
chain_recursively_migrate_group (chain, group1);
|
||||
|
||||
GST_DEBUG ("migrated group %p to new chain %p", group1, chain);
|
||||
GST_DEBUG ("migrated group %p to new chain %p", group1, chain);
|
||||
}
|
||||
} else {
|
||||
GST_DEBUG ("group %p still has direct link with group %p", group1,
|
||||
group2);
|
||||
group2);
|
||||
}
|
||||
}
|
||||
/* hard part, groups are equal */
|
||||
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;
|
||||
|
|
@ -2157,73 +2162,83 @@ gst_opt_scheduler_pad_unlink (GstScheduler * sched, GstPad * srcpad,
|
|||
GST_LOG ("elements still have links with other elements in the group");
|
||||
|
||||
while (group->elements)
|
||||
for (l = group->elements; l && l->data; l = l->next) {
|
||||
element = (GstElement *) l->data;
|
||||
if (GST_ELEMENT_IS_DECOUPLED (element))
|
||||
continue;
|
||||
for (l = group->elements; l && l->data; l = l->next) {
|
||||
GstElement *element = (GstElement *) l->data;
|
||||
|
||||
linkcount = 0;
|
||||
GST_LOG ("Examining %s\n", GST_ELEMENT_NAME (element));
|
||||
for (m = GST_ELEMENT_PADS (element); m; m = m->next) {
|
||||
GstPad *peer, *pad;
|
||||
GstElement *parent;
|
||||
GstOptSchedulerGroup *peer_group;
|
||||
if (GST_ELEMENT_IS_DECOUPLED (element))
|
||||
continue;
|
||||
|
||||
pad = (GstPad *) m->data;
|
||||
if (!pad || !GST_IS_REAL_PAD (pad))
|
||||
continue;
|
||||
linkcount = 0;
|
||||
GST_LOG ("Examining %s\n", GST_ELEMENT_NAME (element));
|
||||
for (m = GST_ELEMENT_PADS (element); m; m = m->next) {
|
||||
GstPad *peer, *pad;
|
||||
GstElement *parent;
|
||||
GstOptSchedulerGroup *peer_group;
|
||||
|
||||
peer = GST_PAD_PEER (pad);
|
||||
if (!peer || !GST_IS_REAL_PAD (peer))
|
||||
continue;
|
||||
pad = (GstPad *) m->data;
|
||||
if (!pad || !GST_IS_REAL_PAD (pad))
|
||||
continue;
|
||||
|
||||
parent = GST_PAD_PARENT (GST_PAD_PEER (pad));
|
||||
get_group (parent, &peer_group);
|
||||
if (peer_group && peer_group != group) {
|
||||
GST_LOG ("pad %s is linked with %s\n",
|
||||
GST_PAD_NAME (pad), GST_ELEMENT_NAME (parent));
|
||||
linkcount++;
|
||||
}
|
||||
}
|
||||
peer = GST_PAD_PEER (pad);
|
||||
if (!peer || !GST_IS_REAL_PAD (peer))
|
||||
continue;
|
||||
|
||||
if (linkcount < 2) {
|
||||
group_dec_links_for_element (group, element);
|
||||
remove_from_group (group, element);
|
||||
}
|
||||
/* if linkcount == 2, it will be unlinked later on */
|
||||
else if (linkcount > 2) {
|
||||
g_warning
|
||||
("opt: Can't handle element %s with 3 or more links, aborting",
|
||||
GST_ELEMENT_NAME (element));
|
||||
return;
|
||||
}
|
||||
}
|
||||
parent = GST_PAD_PARENT (GST_PAD_PEER (pad));
|
||||
get_group (parent, &peer_group);
|
||||
if (peer_group && peer_group != group) {
|
||||
GST_LOG ("pad %s is linked with %s\n",
|
||||
GST_PAD_NAME (pad), GST_ELEMENT_NAME (parent));
|
||||
linkcount++;
|
||||
}
|
||||
}
|
||||
|
||||
if (linkcount < 2) {
|
||||
group_dec_links_for_element (group, element);
|
||||
remove_from_group (group, element);
|
||||
}
|
||||
/* if linkcount == 2, it will be unlinked later on */
|
||||
else if (linkcount > 2) {
|
||||
g_warning
|
||||
("opt: Can't handle element %s with 3 or more links, aborting",
|
||||
GST_ELEMENT_NAME (element));
|
||||
return;
|
||||
}
|
||||
}
|
||||
/* Peer element will be catched during next iteration */
|
||||
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 == element1 &&
|
||||
group->type == GST_OPT_SCHEDULER_GROUP_LOOP) &&
|
||||
!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, element1);
|
||||
remove_from_group (group, element1);
|
||||
} else {
|
||||
GST_LOG ("element1 is decoupled or entry in loop based group");
|
||||
}
|
||||
}
|
||||
|
||||
/* we only remove elements that are not the entry point of a loop based
|
||||
* group and are not decoupled */
|
||||
if (!(group->entry == element &&
|
||||
group->type == GST_OPT_SCHEDULER_GROUP_LOOP) &&
|
||||
!GST_ELEMENT_IS_DECOUPLED (element)) {
|
||||
GST_LOG ("element is separated from the 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, element);
|
||||
remove_from_group (group, element);
|
||||
} else {
|
||||
GST_LOG ("element is decoupled or entry in loop based 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");
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -2260,18 +2275,18 @@ gst_opt_scheduler_iterate (GstScheduler * sched)
|
|||
ref_chain (chain);
|
||||
/* if the chain is not disabled, schedule it */
|
||||
if (!GST_OPT_SCHEDULER_CHAIN_IS_DISABLED (chain)) {
|
||||
GST_LOG ("scheduling chain %p", chain);
|
||||
schedule_chain (chain);
|
||||
scheduled = TRUE;
|
||||
GST_LOG ("scheduling chain %p", chain);
|
||||
schedule_chain (chain);
|
||||
scheduled = TRUE;
|
||||
}
|
||||
|
||||
/* don't schedule any more chains when in error */
|
||||
if (osched->state == GST_OPT_SCHEDULER_STATE_ERROR) {
|
||||
GST_ERROR_OBJECT (sched, "in error state");
|
||||
break;
|
||||
GST_ERROR_OBJECT (sched, "in error state");
|
||||
break;
|
||||
} else if (osched->state == GST_OPT_SCHEDULER_STATE_INTERRUPTED) {
|
||||
GST_DEBUG_OBJECT (osched, "got interrupted, continue with next chain");
|
||||
osched->state = GST_OPT_SCHEDULER_STATE_RUNNING;
|
||||
GST_DEBUG_OBJECT (osched, "got interrupted, continue with next chain");
|
||||
osched->state = GST_OPT_SCHEDULER_STATE_RUNNING;
|
||||
}
|
||||
|
||||
chains = g_slist_next (chains);
|
||||
|
|
@ -2286,11 +2301,11 @@ gst_opt_scheduler_iterate (GstScheduler * sched)
|
|||
} else {
|
||||
/* if chains were scheduled, return our current state */
|
||||
if (scheduled)
|
||||
state = GST_SCHEDULER_STATE (sched);
|
||||
state = GST_SCHEDULER_STATE (sched);
|
||||
/* if no chains were scheduled, we say we are stopped */
|
||||
else {
|
||||
state = GST_SCHEDULER_STATE_STOPPED;
|
||||
break;
|
||||
state = GST_SCHEDULER_STATE_STOPPED;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (iterations > 0)
|
||||
|
|
@ -2318,8 +2333,8 @@ gst_opt_scheduler_show (GstScheduler * sched)
|
|||
chains = g_slist_next (chains);
|
||||
|
||||
g_print ("+- chain %p: refcount %d, %d groups, %d enabled, flags %d\n",
|
||||
chain, chain->refcount, chain->num_groups, chain->num_enabled,
|
||||
chain->flags);
|
||||
chain, chain->refcount, chain->num_groups, chain->num_enabled,
|
||||
chain->flags);
|
||||
|
||||
while (groups) {
|
||||
GstOptSchedulerGroup *group = (GstOptSchedulerGroup *) groups->data;
|
||||
|
|
@ -2328,19 +2343,19 @@ gst_opt_scheduler_show (GstScheduler * sched)
|
|||
groups = g_slist_next (groups);
|
||||
|
||||
g_print
|
||||
(" +- group %p: refcount %d, %d elements, %d enabled, flags %d, entry %s, %s\n",
|
||||
group, group->refcount, group->num_elements, group->num_enabled,
|
||||
group->flags,
|
||||
(group->entry ? GST_ELEMENT_NAME (group->entry) : "(none)"),
|
||||
(group->type ==
|
||||
GST_OPT_SCHEDULER_GROUP_GET ? "get-based" : "loop-based"));
|
||||
(" +- group %p: refcount %d, %d elements, %d enabled, flags %d, entry %s, %s\n",
|
||||
group, group->refcount, group->num_elements, group->num_enabled,
|
||||
group->flags,
|
||||
(group->entry ? GST_ELEMENT_NAME (group->entry) : "(none)"),
|
||||
(group->type ==
|
||||
GST_OPT_SCHEDULER_GROUP_GET ? "get-based" : "loop-based"));
|
||||
|
||||
while (elements) {
|
||||
GstElement *element = (GstElement *) elements->data;
|
||||
GstElement *element = (GstElement *) elements->data;
|
||||
|
||||
elements = g_slist_next (elements);
|
||||
elements = g_slist_next (elements);
|
||||
|
||||
g_print (" +- element %s\n", GST_ELEMENT_NAME (element));
|
||||
g_print (" +- element %s\n", GST_ELEMENT_NAME (element));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue