mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-24 10:41:04 +00:00
91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
/*
|
|
* gstvaapisinkbase.c - VA sink interface
|
|
*
|
|
* 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 "gstvaapisinkbase.h"
|
|
|
|
static void
|
|
gst_vaapisink_base_base_init(gpointer g_class)
|
|
{
|
|
static gboolean is_initialized = FALSE;
|
|
|
|
if (!is_initialized) {
|
|
is_initialized = TRUE;
|
|
}
|
|
}
|
|
|
|
GType
|
|
gst_vaapisink_base_get_type(void)
|
|
{
|
|
static GType iface_type = 0;
|
|
|
|
if (G_UNLIKELY(!iface_type)) {
|
|
static const GTypeInfo info = {
|
|
sizeof(GstVaapiSinkBaseInterface),
|
|
gst_vaapisink_base_base_init, /* base_init */
|
|
NULL, /* base_finalize */
|
|
};
|
|
|
|
iface_type = g_type_register_static(
|
|
G_TYPE_INTERFACE,
|
|
"GstVaapiSinkBase",
|
|
&info,
|
|
0
|
|
);
|
|
}
|
|
return iface_type;
|
|
}
|
|
|
|
GstVaapiDisplay *
|
|
gst_vaapisink_base_get_display(GstVaapiSinkBase *sink)
|
|
{
|
|
g_return_val_if_fail(GST_IS_VAAPISINK_BASE(sink), NULL);
|
|
|
|
return GST_VAAPISINK_BASE_GET_INTERFACE(sink)->get_display(sink);
|
|
}
|
|
|
|
GstVaapiSinkBase *
|
|
gst_vaapisink_base_lookup(GstElement *element)
|
|
{
|
|
GstVaapiSinkBase *sink = NULL;
|
|
GstPad *pad, *peer;
|
|
|
|
g_return_val_if_fail(GST_IS_ELEMENT(element), NULL);
|
|
|
|
while (!sink) {
|
|
pad = gst_element_get_static_pad(element, "src");
|
|
if (!pad)
|
|
break;
|
|
|
|
peer = gst_pad_get_peer(pad);
|
|
g_object_unref(pad);
|
|
if (!peer)
|
|
break;
|
|
|
|
element = gst_pad_get_parent_element(peer);
|
|
if (element) {
|
|
if (GST_IS_VAAPISINK_BASE(element))
|
|
sink = GST_VAAPISINK_BASE(element);
|
|
g_object_unref(element);
|
|
}
|
|
g_object_unref(peer);
|
|
}
|
|
return sink;
|
|
}
|