gstreamer/ext/vulkan/vkutils.h
Matthew Waters 5617b0904b vkutils: move object-specific context queries to their respective files
vkutils now just contains some utility functions to further simplify retrieving
multiple objects.
2016-02-17 01:13:43 +11:00

42 lines
1.7 KiB
C

/*
* GStreamer
* Copyright (C) 2015 Matthew Waters <matthew@centricular.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.
*/
#ifndef _VK_UTILS_H_
#define _VK_UTILS_H_
#include <gst/gst.h>
#include <vk.h>
G_BEGIN_DECLS
gboolean gst_vulkan_ensure_element_data (gpointer element,
GstVulkanDisplay **display_ptr, GstVulkanInstance ** instance_ptr);
gboolean gst_vulkan_handle_set_context (GstElement * element, GstContext * context,
GstVulkanDisplay ** display, GstVulkanInstance ** instance);
gboolean gst_vulkan_handle_context_query (GstElement * element, GstQuery * query,
GstVulkanDisplay ** display, GstVulkanInstance ** instance, GstVulkanDevice ** device);
void gst_vulkan_global_context_query (GstElement * element, const gchar * context_type);
GstQuery * gst_vulkan_local_context_query (GstElement * element, const gchar * context_type, gboolean set_context);
gboolean gst_vulkan_run_query (GstElement * element,
GstQuery * query, GstPadDirection direction);
G_END_DECLS
#endif /*_VK_UTILS_H_ */