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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
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/*
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* gstvaapisinkbase.c - VA sink interface
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*
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* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "gstvaapisinkbase.h"
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static void
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gst_vaapisink_base_base_init(gpointer g_class)
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{
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static gboolean is_initialized = FALSE;
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if (!is_initialized) {
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is_initialized = TRUE;
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}
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}
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GType
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gst_vaapisink_base_get_type(void)
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{
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static GType iface_type = 0;
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if (G_UNLIKELY(!iface_type)) {
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static const GTypeInfo info = {
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sizeof(GstVaapiSinkBaseInterface),
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gst_vaapisink_base_base_init, /* base_init */
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NULL, /* base_finalize */
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};
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iface_type = g_type_register_static(
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G_TYPE_INTERFACE,
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"GstVaapiSinkBase",
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&info,
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0
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);
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}
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return iface_type;
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}
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GstVaapiDisplay *
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gst_vaapisink_base_get_display(GstVaapiSinkBase *sink)
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{
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g_return_val_if_fail(GST_IS_VAAPISINK_BASE(sink), NULL);
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return GST_VAAPISINK_BASE_GET_INTERFACE(sink)->get_display(sink);
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}
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GstVaapiSinkBase *
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gst_vaapisink_base_lookup(GstElement *element)
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{
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GstVaapiSinkBase *sink = NULL;
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GstPad *pad, *peer;
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g_return_val_if_fail(GST_IS_ELEMENT(element), NULL);
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while (!sink) {
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pad = gst_element_get_static_pad(element, "src");
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if (!pad)
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break;
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peer = gst_pad_get_peer(pad);
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g_object_unref(pad);
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if (!peer)
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break;
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element = gst_pad_get_parent_element(peer);
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if (element) {
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if (GST_IS_VAAPISINK_BASE(element))
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sink = GST_VAAPISINK_BASE(element);
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g_object_unref(element);
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}
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g_object_unref(peer);
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}
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return sink;
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}
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