From b5c21da0d8e94dc949f619cba7a8ab92ca49ad4c Mon Sep 17 00:00:00 2001
From: Thibault Saunier <thibault.saunier@collabora.com>
Date: Sun, 9 Sep 2012 21:20:46 -0300
Subject: [PATCH] timelineobject: Implement the GESExtractable interface

---
 ges/ges-timeline-object.c | 38 ++++++++++++++++++++++++++++++++++++--
 ges/ges-timeline-object.h |  1 +
 2 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/ges/ges-timeline-object.c b/ges/ges-timeline-object.c
index b0e7cac..5122038 100644
--- a/ges/ges-timeline-object.c
+++ b/ges/ges-timeline-object.c
@@ -78,8 +78,12 @@ static gboolean ges_timeline_object_set_priority_internal (GESTimelineObject *
 static GESTimelineObject *ges_timeline_object_copy (GESTimelineObject * object,
     gboolean * deep);
 
-G_DEFINE_ABSTRACT_TYPE (GESTimelineObject, ges_timeline_object,
-    G_TYPE_INITIALLY_UNOWNED);
+static void ges_extractable_interface_init (GESExtractableInterface * iface);
+
+G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GESTimelineObject, ges_timeline_object,
+    G_TYPE_INITIALLY_UNOWNED,
+    G_IMPLEMENT_INTERFACE (GES_TYPE_EXTRACTABLE,
+        ges_extractable_interface_init));
 
 /* Mapping of relationship between a TimelineObject and the TrackObjects
  * it controls
@@ -136,6 +140,8 @@ struct _GESTimelineObjectPrivate
 
   /* The formats supported by this TimelineObject */
   GESTrackType supportedformats;
+
+  GESAsset *asset;
 };
 
 enum
@@ -408,6 +414,34 @@ ges_timeline_object_init (GESTimelineObject * self)
   self->priv->maxduration = G_MAXUINT64;
 }
 
+static void
+extractable_set_asset (GESExtractable * extractable, GESAsset * asset)
+{
+  GES_TIMELINE_OBJECT (extractable)->asset = asset;
+}
+
+static gboolean
+_register_metas (GESExtractableInterface * iface, GObjectClass * class,
+    GESAsset * asset)
+{
+  GESMetaContainer *container = GES_META_CONTAINER (asset);
+  GParamSpecEnum *pspec =
+      (GParamSpecEnum *) g_object_class_find_property (class,
+      "supported-formats");
+
+  ges_meta_container_set_uint (container,
+      GES_META_TIMELINE_OBJECT_SUPPORTED_FORMATS, pspec->default_value);
+
+  return TRUE;
+}
+
+static void
+ges_extractable_interface_init (GESExtractableInterface * iface)
+{
+  iface->set_asset = extractable_set_asset;
+  iface->register_metas = _register_metas;
+}
+
 /**
  * ges_timeline_object_create_track_object:
  * @object: The origin #GESTimelineObject
diff --git a/ges/ges-timeline-object.h b/ges/ges-timeline-object.h
index f1fa0d8..da7b561 100644
--- a/ges/ges-timeline-object.h
+++ b/ges/ges-timeline-object.h
@@ -172,6 +172,7 @@ struct _GESTimelineObject {
   guint32 height;       /* the span of priorities this object needs */
 
   guint64 fullduration; /* Full usable duration of the object (-1: no duration) */
+  GESAsset *asset;
 
   /*< private >*/
   GESTimelineObjectPrivate *priv;
-- 
2.7.4