gstreamer/subprojects/gst-plugins-bad/gst-libs/gst/va/gstvadisplay.h

152 lines
4.5 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 <gst/va/va_fwd.h>
#include <gst/va/va-prelude.h>
#include <gst/gst.h>
G_BEGIN_DECLS
/**
* GstVaImplementation:
* @GST_VA_IMPLEMENTATION_MESA_GALLIUM: The mesa gallium implementation.
* @GST_VA_IMPLEMENTATION_INTEL_I965: The legacy i965 intel implementation.
* @GST_VA_IMPLEMENTATION_INTEL_IHD: The iHD intel implementation.
* @GST_VA_IMPLEMENTATION_OTHER: Other implementation.
* @GST_VA_IMPLEMENTATION_INVALID: Invalid implementation.
*
* Types of different VA API implemented drivers. These are the typical and
* the most widely used VA drivers.
*
* Since: 1.20
*/
typedef enum
{
GST_VA_IMPLEMENTATION_MESA_GALLIUM,
GST_VA_IMPLEMENTATION_INTEL_I965,
GST_VA_IMPLEMENTATION_INTEL_IHD,
GST_VA_IMPLEMENTATION_OTHER,
GST_VA_IMPLEMENTATION_INVALID,
} GstVaImplementation;
/**
* GST_VA_DISPLAY_HANDLE_CONTEXT_TYPE_STR:
*
* Since: 1.20
*/
#define GST_VA_DISPLAY_HANDLE_CONTEXT_TYPE_STR "gst.va.display.handle"
/**
* GST_CAPS_FEATURE_MEMORY_VA:
*
* Since: 1.20
*/
#define GST_CAPS_FEATURE_MEMORY_VA "memory:VAMemory"
/**
* GST_VA_DISPLAY_IS_IMPLEMENTATION: (skip)
*
* Check whether the display is the implementation of the specified
* #GstVaImplementation type.
*
* Since: 1.20
*/
#define GST_VA_DISPLAY_IS_IMPLEMENTATION(display, impl) \
(gst_va_display_is_implementation (display, G_PASTE (GST_VA_IMPLEMENTATION_, impl)))
#define GST_TYPE_VA_DISPLAY (gst_va_display_get_type())
#define GST_VA_DISPLAY(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_VA_DISPLAY, GstVaDisplay))
#define GST_VA_DISPLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_VA_DISPLAY, GstVaDisplayClass))
#define GST_IS_VA_DISPLAY(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_VA_DISPLAY))
#define GST_IS_VA_DISPLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_VA_DISPLAY))
#define GST_VA_DISPLAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_VA_DISPLAY, GstVaDisplayClass))
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstVaDisplay, gst_object_unref)
/**
* GstVaDisplay:
* @parent: parent #GstObject
*
* The common VA display object structure.
*
* Since: 1.20
*/
struct _GstVaDisplay
{
GstObject parent;
};
/**
* GstVaDisplayClass:
* @parent_class: parent #GstObjectClass
*
* The common VA display object class structure.
*
* Since: 1.20
*/
struct _GstVaDisplayClass
{
GstObjectClass parent_class;
/**
* GstVaDisplayClass::create_va_display:
* @self: a #GstVaDisplay instance
*
* This is called when the subclass has to create the internal
* VADisplay.
*
* Returns: The created VADisplay
*/
gpointer (*create_va_display) (GstVaDisplay * self);
};
GST_VA_API
GType gst_va_display_get_type (void);
GST_VA_API
void gst_va_display_lock (GstVaDisplay * self);
GST_VA_API
void gst_va_display_unlock (GstVaDisplay * self);
GST_VA_API
gboolean gst_va_display_initialize (GstVaDisplay * self);
GST_VA_API
gpointer gst_va_display_get_va_dpy (GstVaDisplay * self);
GST_VA_API
GstVaImplementation gst_va_display_get_implementation (GstVaDisplay * self);
/**
* gst_va_display_is_implementation:
* @display: the #GstVaDisplay to check.
* @impl: the specified #GstVaImplementation.
*
* Check whether the @display is the implementation of the @impl type.
*
* Returns: %TRUE if the @display is the implementation of the @impl type.
*
* Since: 1.20
*/
static inline gboolean
gst_va_display_is_implementation (GstVaDisplay * display, GstVaImplementation impl)
{
return (gst_va_display_get_implementation (display) == impl);
}
G_END_DECLS