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GESTrackObject: add an hashtable linking childs properityName -> GstElement

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We also add a Virtual method that should be implementented in subclasses to generate the new GHasTable
This commit is contained in:
Thibault Saunier 2011-02-07 17:06:01 +01:00 committed by Edward Hervey
parent d18c9fe8fb
commit c67bcb1684
2 changed files with 23 additions and 0 deletions
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22
ges/ges-track-object.c
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@ -49,6 +49,11 @@ struct _GESTrackObjectPrivate
GstElement *gnlobject; /* The GnlObject */
GstElement *element; /* The element contained in the gnlobject (can be NULL) */
/* We keep a link between properties name and elements internally
* The hashtable should look like
* {'ClassName-propertyName' ---> element,}*/
GHashTable *properties_hashtable;
GESTimelineObject *timelineobj;
GESTrack *track;
@ -156,6 +161,10 @@ ges_track_object_set_property (GObject * object, guint property_id,
static void
ges_track_object_dispose (GObject * object)
{
GESTrackObjectPrivate *priv = GES_TRACK_OBJECT (object)->priv;
if (priv->properties_hashtable)
g_hash_table_destroy (priv->properties_hashtable);
G_OBJECT_CLASS (ges_track_object_parent_class)->dispose (object);
}
@ -259,6 +268,7 @@ ges_track_object_init (GESTrackObject * self)
self->priv->pending_priority = 1;
self->priv->pending_active = TRUE;
self->priv->locked = TRUE;
self->priv->properties_hashtable = NULL;
}
static inline gboolean
@ -625,6 +635,7 @@ ensure_gnl_object (GESTrackObject * object)
{
GESTrackObjectClass *class;
GstElement *gnlobject;
GHashTable *props_hash;
gboolean res = FALSE;
if (object->priv->gnlobject && object->priv->valid)
@ -684,6 +695,17 @@ ensure_gnl_object (GESTrackObject * object)
"priority", object->priv->pending_priority,
"active", object->priv->pending_active, NULL);
/* We feed up the props_hashtable if possible */
if (class->get_props_hastable) {
props_hash = class->get_props_hastable (object);
if (props_hash == NULL) {
GST_DEBUG ("'get_props_hastable' implementation returned TRUE but no\
properties_hashtable is available");
} else {
object->priv->properties_hashtable = props_hash;
}
}
}
}

1
ges/ges-track-object.h
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@ -118,6 +118,7 @@ struct _GESTrackObjectClass {
const gchar *gnlobject_factorytype;
GstElement* (*create_gnl_object) (GESTrackObject * object);
GstElement* (*create_element) (GESTrackObject * object);
GHashTable* (*get_props_hastable) (GESTrackObject * object);
void (*start_changed) (GESTrackObject *object, guint64 start);
void (*media_start_changed) (GESTrackObject *object, guint64 media_start);