gstreamer/gst-libs/gst/vaapi/gstvaapiobject.c

147 lines
3.9 KiB
C

/*
* gstvaapiobject.c - Base VA object
*
* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "gstvaapiobject.h"
#define DEBUG 1
#include "gstvaapidebug.h"
G_DEFINE_TYPE(GstVaapiObject, gst_vaapi_object, G_TYPE_OBJECT);
#define GST_VAAPI_OBJECT_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE((obj), \
GST_VAAPI_TYPE_OBJECT, \
GstVaapiObjectPrivate))
struct _GstVaapiObjectPrivate {
GstVaapiDisplay *display;
};
enum {
PROP_0,
PROP_DISPLAY,
};
static void
gst_vaapi_object_finalize(GObject *object)
{
GstVaapiObjectPrivate * const priv = GST_VAAPI_OBJECT(object)->priv;
if (priv->display) {
g_object_unref(priv->display);
priv->display = NULL;
}
G_OBJECT_CLASS(gst_vaapi_object_parent_class)->finalize(object);
}
static void
gst_vaapi_object_set_property(
GObject *gobject,
guint prop_id,
const GValue *value,
GParamSpec *pspec
)
{
GstVaapiObject * const object = GST_VAAPI_OBJECT(gobject);
switch (prop_id) {
case PROP_DISPLAY:
object->priv->display = g_object_ref(g_value_get_object(value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(gobject, prop_id, pspec);
break;
}
}
static void
gst_vaapi_object_get_property(
GObject *gobject,
guint prop_id,
GValue *value,
GParamSpec *pspec
)
{
GstVaapiObject * const object = GST_VAAPI_OBJECT(gobject);
switch (prop_id) {
case PROP_DISPLAY:
g_value_set_object(value, gst_vaapi_object_get_display(object));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(gobject, prop_id, pspec);
break;
}
}
static void
gst_vaapi_object_class_init(GstVaapiObjectClass *klass)
{
GObjectClass * const object_class = G_OBJECT_CLASS(klass);
g_type_class_add_private(klass, sizeof(GstVaapiObjectPrivate));
object_class->finalize = gst_vaapi_object_finalize;
object_class->set_property = gst_vaapi_object_set_property;
object_class->get_property = gst_vaapi_object_get_property;
/**
* GstVaapiObject:display:
*
* The #GstVaapiDisplay this object is bound to.
*/
g_object_class_install_property
(object_class,
PROP_DISPLAY,
g_param_spec_object("display",
"Display",
"The GstVaapiDisplay this object is bound to",
GST_VAAPI_TYPE_DISPLAY,
G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
}
static void
gst_vaapi_object_init(GstVaapiObject *object)
{
GstVaapiObjectPrivate *priv = GST_VAAPI_OBJECT_GET_PRIVATE(object);
object->priv = priv;
priv->display = NULL;
}
/**
* gst_vaapi_object_get_display:
* @object: a #GstVaapiObject
*
* Returns the #GstVaapiDisplay this @object is bound to.
*
* Return value: the parent #GstVaapiDisplay object
*/
GstVaapiDisplay *
gst_vaapi_object_get_display(GstVaapiObject *object)
{
g_return_val_if_fail(GST_VAAPI_IS_OBJECT(object), NULL);
return object->priv->display;
}