From: Andy Wingo <wingo@pobox.com>
Date: Sat, 4 May 2002 18:59:24 +0000 (+0000)
Subject: gst_scheduler_factory_make () can accept NULL as the first arg now _create () sets... 
X-Git-Tag: BRANCH-RELEASE-0_4_0-ROOT~202
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=66911204511749290cf0ace4f0d4d87f9133f3e4;p=platform%2Fupstream%2Fgstreamer.git

gst_scheduler_factory_make () can accept NULL as the first arg now _create () sets the element sched and refcounts th...

Original commit message from CVS:
* gst_scheduler_factory_make () can accept NULL as the first arg now
*                      _create () sets the element sched and refcounts the scheduler
* corresponding touchups to gstpipeline and gstthread
---

diff --git a/gst/gstpipeline.c b/gst/gstpipeline.c
index 1a977da..fb08729 100644
--- a/gst/gstpipeline.c
+++ b/gst/gstpipeline.c
@@ -97,21 +97,14 @@ gst_pipeline_class_init (GstPipelineClass *klass)
 static void
 gst_pipeline_init (GstPipeline *pipeline)
 {
-  const gchar *schedname;
   GstScheduler *scheduler;
 
-  /* we're a manager by default */
+  /* pipelines are managing bins */
   GST_FLAG_SET (pipeline, GST_BIN_FLAG_MANAGER);
 
-  schedname = gst_scheduler_factory_get_default_name ();
-
-  scheduler = gst_scheduler_factory_make (schedname, GST_ELEMENT (pipeline));
+  /* get an instance of the default scheduler */
+  scheduler = gst_scheduler_factory_make (NULL, GST_ELEMENT (pipeline));
 	  
-  GST_ELEMENT_SCHED (pipeline) = scheduler;
-
-  gst_object_ref (GST_OBJECT (scheduler));
-  gst_object_sink (GST_OBJECT (scheduler));
-
   gst_scheduler_setup (scheduler);
 }
 
@@ -125,6 +118,7 @@ gst_pipeline_dispose (GObject *object)
   if (GST_ELEMENT_SCHED (pipeline)) {
     gst_scheduler_reset (GST_ELEMENT_SCHED (pipeline));
     gst_object_unref (GST_OBJECT (GST_ELEMENT_SCHED (pipeline)));
+    GST_ELEMENT_SCHED (pipeline) = NULL;
   }
 }
 
diff --git a/gst/gstscheduler.c b/gst/gstscheduler.c
index be59b5c..225c46a 100644
--- a/gst/gstscheduler.c
+++ b/gst/gstscheduler.c
@@ -735,9 +735,10 @@ gst_scheduler_factory_get_list (void)
  * @parent: the parent element of this scheduler
  *
  * Create a new #GstScheduler instance from the 
- * given schedulerfactory with the given parent.
+ * given schedulerfactory with the given parent. @parent will
+ * have its scheduler set to the returned #GstScheduler instance.
  *
- * Returns: A new #GstScheduler instance.
+ * Returns: A new #GstScheduler instance with a reference count of %1.
  */
 GstScheduler*
 gst_scheduler_factory_create (GstSchedulerFactory *factory, GstElement *parent)
@@ -745,12 +746,19 @@ gst_scheduler_factory_create (GstSchedulerFactory *factory, GstElement *parent)
   GstScheduler *new = NULL;
 
   g_return_val_if_fail (factory != NULL, NULL);
+  g_return_val_if_fail (parent != NULL, NULL);
 
   if (gst_plugin_feature_ensure_loaded (GST_PLUGIN_FEATURE (factory))) {
     g_return_val_if_fail (factory->type != 0, NULL);
 
     new = GST_SCHEDULER (g_object_new (factory->type, NULL));
     new->parent = parent;
+
+    GST_ELEMENT_SCHED (parent) = new;
+
+    /* let's refcount the scheduler */
+    gst_object_ref (GST_OBJECT (new));
+    gst_object_sink (GST_OBJECT (new));
   }
 
   return new;
@@ -762,18 +770,22 @@ gst_scheduler_factory_create (GstSchedulerFactory *factory, GstElement *parent)
  * @parent: the parent element of this scheduler
  *
  * Create a new #GstScheduler instance from the 
- * schedulerfactory with the given name and parent.
+ * schedulerfactory with the given name and parent. @parent will
+ * have its scheduler set to the returned #GstScheduler instance.
+ * If %NULL is passed as @name, the default scheduler name will
+ * be used.
  *
- * Returns: A new #GstScheduler instance.
+ * Returns: A new #GstScheduler instance with a reference count of %1.
  */
 GstScheduler*
 gst_scheduler_factory_make (const gchar *name, GstElement *parent)
 {
   GstSchedulerFactory *factory;
 
-  g_return_val_if_fail (name != NULL, NULL);
-
-  factory = gst_scheduler_factory_find (name);
+  if (name)
+    factory = gst_scheduler_factory_find (name);
+  else
+    factory = gst_scheduler_factory_find (gst_scheduler_factory_get_default_name ());
 
   if (factory == NULL)
     return NULL;
diff --git a/gst/gstthread.c b/gst/gstthread.c
index 98eec49..7efe801 100644
--- a/gst/gstthread.c
+++ b/gst/gstthread.c
@@ -118,13 +118,11 @@ gst_thread_class_init (GstThreadClass *klass)
 
 #ifndef GST_DISABLE_LOADSAVE
   gstobject_class->save_thyself =	GST_DEBUG_FUNCPTR (gst_thread_save_thyself);
-  gstobject_class->restore_thyself =	GST_DEBUG_FUNCPTR(gst_thread_restore_thyself);
+  gstobject_class->restore_thyself =	GST_DEBUG_FUNCPTR (gst_thread_restore_thyself);
 #endif
 
   gstelement_class->change_state =	GST_DEBUG_FUNCPTR (gst_thread_change_state);
 
-/*  gstbin_class->schedule = gst_thread_schedule_dummy; */
-
   gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_thread_set_property);
   gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_thread_get_property);
 
@@ -133,24 +131,16 @@ gst_thread_class_init (GstThreadClass *klass)
 static void
 gst_thread_init (GstThread *thread)
 {
-  const gchar *schedname;
   GstScheduler *scheduler;
 
   GST_DEBUG (GST_CAT_THREAD, "initializing thread");
 
-  /* we're a manager by default */
+  /* threads are managing bins and iterate themselves */
   /* CR1: the GstBin code checks these flags */
   GST_FLAG_SET (thread, GST_BIN_FLAG_MANAGER);
   GST_FLAG_SET (thread, GST_BIN_SELF_SCHEDULABLE);
 
-  schedname = gst_scheduler_factory_get_default_name ();
-
-  scheduler = gst_scheduler_factory_make (schedname, GST_ELEMENT (thread));
-
-  GST_ELEMENT_SCHED (thread) = scheduler;
-
-  gst_object_ref (GST_OBJECT (scheduler));
-  gst_object_sink (GST_OBJECT (scheduler));
+  scheduler = gst_scheduler_factory_make (NULL, GST_ELEMENT (thread));
 
   thread->lock = g_mutex_new ();
   thread->cond = g_cond_new ();