set_property and get_property functions are not called in GstPad

[Sudhir]

Hi stefan,

I have shared code snippet of my plugin. Get and set_property of mysink-pad
is not called.

What could be the reason?
Am I missing any thing in initialization?


/* Defining the element type and setting parent class */
#define gst_mysink_parent_class parent_class
G_DEFINE_TYPE_WITH_CODE (GstMySink, gst_mysink, GST_TYPE_ELEMENT,
    G_IMPLEMENT_INTERFACE (GST_TYPE_CHILD_PROXY,
        gst_mysink_child_proxy_init));
static void gst_mysink_class_init (GstMySinkClass * ps_klass)
{
  GObjectClass    *ps_gobject_class = G_OBJECT_CLASS ( ps_klass);
  GST_INFO(" pad class initialization");
  //assert(0);
  
  /* Assigning function pointers */
  ps_gobject_class->set_property = gst_mysink_set_property;
  ps_gobject_class->get_property = gst_mysink_get_property;

  /*Install plugin properties here*/
  
}

static void gst_mysink_get_property (GObject * object, guint prop_id, GValue
* value, GParamSpec * pspec)
{
  GstMySink *ps_mysink = gst_mysink (object);
  GST_INFO(" pad get property");
 switch(prop_id)
  {
		/*Set property here*/
	
	  default:
            G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);     
            break;
  }
}
static void gst_mysink_set_property (GObject * object, guint prop_id, const
GValue * value, GParamSpec * pspec)
{
  GstMySink *ps_mysink = gst_mysink (object);
  GST_INFO(" pad setting property");
  switch(prop_id)
  {
 	/*Set pad property about this */
	
    default:
            G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);     
            break;
  }
}
static void gst_mysink_init(GstMySink *ps_mysink)
{
	/* set property default values here*/
	GST_OBJECT_FLAG_SET (ps_mysink, GST_ELEMENT_FLAG_SINK);
	
}

//#define gst_mysink_pad_parent_class parent_class_pad
G_DEFINE_TYPE (GstMySinkPad, gst_mysink_pad, GST_TYPE_PAD);

static GstPad* gst_mysink_request_new_pad (GstElement  *ps_element,
GstPadTemplate *ps_templ, 
											   const gchar *ps_name, const GstCaps  *ps_caps)
{
  GstMySinkPad *ps_pad;
  GstMySink *ps_mysink = GST_MYSINK(ps_element);
  GstPad *pad;
  
  /* Care fully use lock functions */
  GST_MYSINK_LOCK (ps_mysink);

  ps_pad = (GstMySinkPad *) g_object_new (GST_TYPE_MYSINK_PAD, "name",
ps_name, "direction",
        ps_templ->direction, "template", ps_templ, NULL);
  pad = GST_PAD(ps_pad);
  
  /*Insert pad to local list*/

  gst_element_add_pad (ps_element, pad);
  
  GST_MYSINK_UNLOCK (ps_mysink);
  gst_child_proxy_child_added (GST_CHILD_PROXY (GST_MYSINK(ps_element)),
G_OBJECT (ps_pad), GST_OBJECT_NAME (ps_pad));
  GST_INFO("pad added %s", GST_PAD_NAME(pad));

  GST_MYSINK_LOCK (ps_mysink);
  
  gst_pad_set_activate_function(pad, <Initialization function>);
  
  gst_pad_set_chain_function (pad, <pad chain function>);
  
  gst_pad_set_event_function (pad, GST_DEBUG_FUNCPTR (<Pad event
function>));
  
  gst_pad_set_query_function (pad, GST_DEBUG_FUNCPTR
(gst_pad_query_default));
 
  GST_MYSINK_UNLOCK (ps_mysink);
  
  return pad;
}
static void gst_mysink_release_pad (GstElement * ps_element, GstPad *
ps_pad)
{
  GstMySink    *ps_mysink     = GST_MYSINK (ps_element);;
  GstMySinkPad *ps_mysink_pad = GST_MYSINK_PAD (ps_pad);
  
  [.....]
  /*Remove pad from the child */ 
  return;
}

gboolean gst_mysink_register(GstPlugin * ps_plugin)
{
	return gst_element_register (ps_plugin, "mysink", GST_RANK_PRIMARY,
GST_TYPE_MYSINK_);
}

static void gst_mysink_pad_class_init (GstMySinkPadClass * ps_klass)
{
  GObjectClass    *ps_gobject_class = G_OBJECT_CLASS ( ps_klass);
  GST_INFO(" pad class initialization");
  //assert(0);
  
  /* Assigning function pointers */
  ps_gobject_class->set_property = gst_mysink_pad_set_property;
  ps_gobject_class->get_property = gst_mysink_pad_get_property;

  /*Install plugin properties here*/
  
}
gboolean gst_mysink_pad_event (GstPad *ps_pad, GstObject *ps_parent,
GstEvent *ps_event)
{
	GstMySink *ps_mysink = GST_MYSINK (ps_parent);
	gboolean b_res;
	switch ((gint)GST_EVENT_TYPE (ps_event)) 
	{
	  case GST_EVENT_EOS:
	  GST_INFO("Received EOS event");
	  /*Handle EOS here
	    Inform parent about EOS */
	   
	   
       b_res = gst_pad_event_default (ps_pad, ps_parent, ps_event);
	  break;
	  default:
      b_res = gst_pad_event_default (ps_pad, ps_parent, ps_event);
	  break;
	}
	
	return b_res;
}

static void gst_mysink_child_proxy_init (gpointer g_iface, gpointer
iface_data)
{
  GstChildProxyInterface *iface = (GstChildProxyInterface *)g_iface;

  GST_INFO ("initializing child proxy interface");
  iface->get_child_by_index = gst_mysink_child_proxy_get_child_by_index;
  
  iface->get_children_count = gst_mysink_child_proxy_get_children_count;
  /*Functions are similar to mixer-pad function */
}

static gboolean gst_mysink_pad_sender_init (GstPad *pad, GstObject *parent)
{
  /* Doing initialization here */
  return TRUE;
error:
  return FALSE;

}

static void gst_mysink_pad_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
  GstMySinkPad *ps_mysink_pad = GST_MYSINK_PAD (object);
  GST_INFO(" pad get property");
 switch(prop_id)
  {
		/*Set property here*/
	
	  default:
            G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);     
            break;
  }
}
static void gst_mysink_pad_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
  GstMySinkPad *ps_mysink_pad = GST_MYSINK_PAD (object);
  GST_INFO(" pad setting property");
  switch(prop_id)
  {
 	/*Set pad property about this */
	
    default:
            G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);     
            break;
  }
}
static void gst_mysink_pad_init(GstMySinkPad *ps_mysink_pad)
{
	/* set property default values here*/
	
	
}

static GstFlowReturn gst_mysink_pad_chain(GstPad *ps_pad, GstObject
*ps_parent, GstBuffer *ps_input_buf)
{
  GstMySinkPad *ps_mysink_pad = GST_MYSINK_PAD(ps_pad);   
  /* Rendering data here */

  return GST_FLOW_OK;
error:
  return GST_FLOW_ERROR;
  
}




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