gstreamer/sys/va/gstvautils.h
Víctor Manuel Jáquez Leal f7cfb422f1 va: context: instanciate VA display through GstContext
Add all the machinery to instanciate VA display through GstContext,
thus all va elements can share the same display and the user can set
a custom one.
2020-08-03 19:33:01 +02:00

48 lines
1.8 KiB
C

/* GStreamer
* Copyright (C) 2020 Igalia, S.L.
* Author: Víctor Jáquez <vjaquez@igalia.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#include "gstvadisplay.h"
G_BEGIN_DECLS
gboolean gst_va_ensure_element_data (gpointer element,
const gchar *render_device_path,
GstVaDisplay ** display_ptr);
gboolean gst_va_handle_set_context (GstElement * element,
GstContext * context,
const gchar *render_device_path,
GstVaDisplay ** display_ptr);
gboolean gst_va_handle_context_query (GstElement * element,
GstQuery * query,
GstVaDisplay * display);
void gst_va_element_propagate_display_context (GstElement * element,
GstVaDisplay * display);
gboolean gst_context_get_va_display (GstContext * context,
const gchar * type_name,
const gchar * render_device_path,
GstVaDisplay ** display_ptr);
void gst_context_set_va_display (GstContext * context,
GstVaDisplay * display);
G_END_DECLS