gstreamer/gstreamer-sharp/glue/controlsource.c

#include <gst/gst.h>
#include <gst/controller/gstcontrolsource.h>

guint
gst__controllersharp_gst__controller_controlsource_get_get_value_offset (void)
{
        return (guint)G_STRUCT_OFFSET (GstControlSource, get_value);
}

const gchar *__gtype_prefix = "__gtksharp_";
#define HAS_PREFIX(a) (*((guint64 *)(a)) == *((guint64 *) __gtype_prefix))

static GObjectClass *
get_threshold_class (GObject *obj)
{
	GObjectClass *klass;
        GType gtype = G_TYPE_FROM_INSTANCE (obj);

        while (HAS_PREFIX (g_type_name (gtype)))
                gtype = g_type_parent (gtype);
        klass = g_type_class_peek (gtype);
        if (klass == NULL) klass = g_type_class_ref (gtype);
        return klass;
}

gboolean 
gst__controllersharp_gst__controller_controlsource_base_bind (GstControlSource *csource, GParamSpec *pspec)
{
	GstControlSourceClass *parent = (GstControlSourceClass *) get_threshold_class (G_OBJECT (csource));
	if (parent->bind)
		return parent->bind (csource, pspec);
	return FALSE;
}

void 
gst__controllersharp_gst__controller_controlsource_override_bind (GType gtype, gpointer cb)
{
	GstControlSourceClass *klass = g_type_class_peek (gtype);
	if (!klass)
		klass = g_type_class_ref (gtype);
	((GstControlSourceClass *) klass)->bind = cb;
}