From bce4a2dea7c9c2124b875ecdcb4356cc9cd1476c Mon Sep 17 00:00:00 2001
From: Stefan Sauer <ensonic@users.sf.net>
Date: Thu, 3 Sep 2015 10:29:35 +0200
Subject: [PATCH] leaks: plug various memory leaks

---
 src/lib/core/sink-bin.c           |  2 ++
 src/ui/edit/machine-canvas-item.c | 13 +++++++++----
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/lib/core/sink-bin.c b/src/lib/core/sink-bin.c
index 425e89762..4b6543454 100644
--- a/src/lib/core/sink-bin.c
+++ b/src/lib/core/sink-bin.c
@@ -641,6 +641,7 @@ bt_sink_bin_get_recorder_elements (const BtSinkBin * const self)
     if ((element = bt_sink_bin_make_and_configure_encodebin (profile))) {
       list = g_list_append (list, element);
     }
+    g_object_unref (profile);
   } else {
     GST_DEBUG ("no profile, do raw recording");
     // encodebin starts with a queue already
@@ -1053,6 +1054,7 @@ bt_sink_bin_is_record_format_supported (BtSinkBinRecordFormat format)
     } else {
       format_states[format] = RECORD_FORMAT_STATE_MISSES_ELEMENTS;
     }
+    g_object_unref (profile);
   }
   return format_states[format] > RECORD_FORMAT_STATE_NOT_CHECKED;
 }
diff --git a/src/ui/edit/machine-canvas-item.c b/src/ui/edit/machine-canvas-item.c
index 82ab9b3f9..f0a26e938 100644
--- a/src/ui/edit/machine-canvas-item.c
+++ b/src/ui/edit/machine-canvas-item.c
@@ -1210,13 +1210,15 @@ bt_machine_canvas_item_set_property (GObject * object, guint property_id,
           BT_MAIN_PAGE_MACHINES (g_value_get_object (value));
       g_object_try_weak_ref (self->priv->main_page_machines);
       break;
-    case MACHINE_CANVAS_ITEM_MACHINE:
-      g_object_try_unref (self->priv->machine);
-      self->priv->machine = BT_MACHINE (g_value_dup_object (value));
-      if (self->priv->machine) {
+    case MACHINE_CANVAS_ITEM_MACHINE:{
+      BtMachine *new_machine = (BtMachine *) g_value_get_object (value);
+      if (new_machine != self->priv->machine) {
         GstElement *element;
         GstBin *bin;
 
+        g_object_try_unref (self->priv->machine);
+        self->priv->machine = g_object_ref (new_machine);
+
         GST_INFO ("set the machine %" G_OBJECT_REF_COUNT_FMT,
             G_OBJECT_LOG_REF_COUNT (self->priv->machine));
         g_object_set_qdata ((GObject *) self->priv->machine,
@@ -1245,6 +1247,7 @@ bt_machine_canvas_item_set_property (GObject * object, guint property_id,
 
         if (!BT_IS_SINK_MACHINE (self->priv->machine)) {
           if (bt_machine_enable_output_post_level (self->priv->machine)) {
+            g_object_try_weak_unref (self->priv->output_level);
             g_object_get (self->priv->machine, "output-post-level",
                 &self->priv->output_level, NULL);
             g_object_try_weak_ref (self->priv->output_level);
@@ -1255,6 +1258,7 @@ bt_machine_canvas_item_set_property (GObject * object, guint property_id,
         }
         if (!BT_IS_SOURCE_MACHINE (self->priv->machine)) {
           if (bt_machine_enable_input_pre_level (self->priv->machine)) {
+            g_object_try_weak_unref (self->priv->input_level);
             g_object_get (self->priv->machine, "input-pre-level",
                 &self->priv->input_level, NULL);
             g_object_try_weak_ref (self->priv->input_level);
@@ -1265,6 +1269,7 @@ bt_machine_canvas_item_set_property (GObject * object, guint property_id,
         }
       }
       break;
+    }
     case MACHINE_CANVAS_ITEM_ZOOM:
       self->priv->zoom = g_value_get_double (value);
       GST_DEBUG ("set the zoom for machine_canvas_item: %f", self->priv->zoom);