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e0915ce982
The VA acceleration now has more usages in linux-like platforms, such as the MSDK. The different plugins based on the VA acceleration need to share some common logic and types. We now move the display related functions and types into a common va lib. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2196>
134 lines
4.1 KiB
C
134 lines
4.1 KiB
C
/* GStreamer
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* Copyright (C) 2020 Igalia, S.L.
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* Author: Víctor Jáquez <vjaquez@igalia.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include <gst/va/va_fwd.h>
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#include <gst/va/va-prelude.h>
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#include <gst/gst.h>
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G_BEGIN_DECLS
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/**
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* GstVaImplementation:
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* @GST_VA_IMPLEMENTATION_MESA_GALLIUM: The mesa gallium implementation.
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* @GST_VA_IMPLEMENTATION_INTEL_I965: The legacy i965 intel implementation.
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* @GST_VA_IMPLEMENTATION_INTEL_IHD: The iHD intel implementation.
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* @GST_VA_IMPLEMENTATION_OTHER: Other implementation.
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* @GST_VA_IMPLEMENTATION_INVALID: Invalid implementation.
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*
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* Types of different VA API implemented drivers. These are the typical and
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* the most widely used VA drivers.
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*
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* Since: 1.20
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*/
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typedef enum
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{
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GST_VA_IMPLEMENTATION_MESA_GALLIUM,
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GST_VA_IMPLEMENTATION_INTEL_I965,
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GST_VA_IMPLEMENTATION_INTEL_IHD,
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GST_VA_IMPLEMENTATION_OTHER,
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GST_VA_IMPLEMENTATION_INVALID,
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} GstVaImplementation;
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/**
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* GST_VA_DISPLAY_HANDLE_CONTEXT_TYPE_STR:
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*
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* Since: 1.20
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*/
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#define GST_VA_DISPLAY_HANDLE_CONTEXT_TYPE_STR "gst.va.display.handle"
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/**
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* GST_VA_DISPLAY_IS_IMPLEMENTATION: (skip)
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*
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* Check whether the display is the implementation of the specified
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* #GstVaImplementation type.
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*/
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#define GST_VA_DISPLAY_IS_IMPLEMENTATION(display, impl) \
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(gst_va_display_is_implementation (display, G_PASTE (GST_VA_IMPLEMENTATION_, impl)))
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#define GST_TYPE_VA_DISPLAY (gst_va_display_get_type())
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#define GST_VA_DISPLAY(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_VA_DISPLAY, GstVaDisplay))
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#define GST_VA_DISPLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_VA_DISPLAY, GstVaDisplayClass))
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#define GST_IS_VA_DISPLAY(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_VA_DISPLAY))
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#define GST_IS_VA_DISPLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_VA_DISPLAY))
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#define GST_VA_DISPLAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_VA_DISPLAY, GstVaDisplayClass))
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/**
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* GstVaDisplay:
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*
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* The common VA display object structure.
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*
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* Since: 1.20
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*/
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struct _GstVaDisplay
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{
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/*< private > */
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GstObject parent;
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};
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/**
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* GstVaDisplayClass:
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*
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* The common VA display object class structure.
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* @create_va_display: The function to create the real VA display.
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*
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* Since: 1.20
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*/
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struct _GstVaDisplayClass
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{
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/*< private > */
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GstObjectClass parent_class;
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/*< public > */
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gpointer (*create_va_display) (GstVaDisplay * self);
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};
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GST_VA_API
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GType gst_va_display_get_type (void);
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GST_VA_API
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void gst_va_display_lock (GstVaDisplay * self);
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GST_VA_API
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void gst_va_display_unlock (GstVaDisplay * self);
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GST_VA_API
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gboolean gst_va_display_initialize (GstVaDisplay * self);
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GST_VA_API
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gpointer gst_va_display_get_va_dpy (GstVaDisplay * self);
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GST_VA_API
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GstVaImplementation gst_va_display_get_implementation (GstVaDisplay * self);
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/**
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* gst_va_display_is_implementation:
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* @display: the #GstVaDisplay to check.
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* @impl: the specified #GstVaImplementation.
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*
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* Check whether the @display is the implementation of the @impl type.
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*
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* Returns: %TRUE if the @display is the implementation of the @impl type.
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*
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* Since: 1.20
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*/
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static inline gboolean
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gst_va_display_is_implementation (GstVaDisplay * display, GstVaImplementation impl)
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{
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return (gst_va_display_get_implementation (display) == impl);
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}
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G_END_DECLS
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