gstreamer/gst-libs/gst/vaapi/gstvaapiwindow_priv.h

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/*
* gstvaapiwindow_priv.h - VA window abstraction (private definitions)
*
* Copyright (C) 2010-2011 Splitted-Desktop Systems
* Copyright (C) 2012 Intel Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#ifndef GST_VAAPI_WINDOW_PRIV_H
#define GST_VAAPI_WINDOW_PRIV_H
#include "gstvaapiobject_priv.h"
G_BEGIN_DECLS
#define GST_VAAPI_WINDOW_CLASS(klass) \
((GstVaapiWindowClass *)(klass))
#define GST_VAAPI_WINDOW_GET_CLASS(obj) \
GST_VAAPI_WINDOW_CLASS(GST_VAAPI_OBJECT_GET_CLASS(obj))
/* GstVaapiWindowClass hooks */
typedef gboolean (*GstVaapiWindowCreateFunc) (GstVaapiWindow *window,
guint *width, guint *height);
typedef gboolean (*GstVaapiWindowShowFunc) (GstVaapiWindow *window);
typedef gboolean (*GstVaapiWindowHideFunc) (GstVaapiWindow *window);
typedef gboolean (*GstVaapiWindowGetGeometryFunc)(GstVaapiWindow *window,
gint *px, gint *py, guint *pwidth, guint *pheight);
typedef gboolean (*GstVaapiWindowSetFullscreenFunc)(GstVaapiWindow *window,
gboolean fullscreen);
typedef gboolean (*GstVaapiWindowResizeFunc) (GstVaapiWindow *window,
guint width, guint height);
typedef gboolean (*GstVaapiWindowRenderFunc) (GstVaapiWindow *window,
GstVaapiSurface *surface, const GstVaapiRectangle *src_rect,
const GstVaapiRectangle *dst_rect, guint flags);
typedef gboolean (*GstVaapiWindowRenderPixmapFunc)(GstVaapiWindow *window,
GstVaapiPixmap *pixmap, const GstVaapiRectangle *src_rect,
const GstVaapiRectangle *dst_rect);
/**
* GstVaapiWindow:
*
* Base class for system-dependent windows.
*/
struct _GstVaapiWindow {
/*< private >*/
GstVaapiObject parent_instance;
/*< protected >*/
guint width;
guint height;
guint display_width;
guint display_height;
guint use_foreign_window : 1;
guint is_fullscreen : 1;
guint check_geometry : 1;
};
/**
* GstVaapiWindowClass:
* @create: virtual function to create a window with width and height
* @show: virtual function to show (map) a window
* @hide: virtual function to hide (unmap) a window
* @get_geometry: virtual function to get the current window geometry
* @set_fullscreen: virtual function to change window fullscreen state
* @resize: virtual function to resize a window
* @render: virtual function to render a #GstVaapiSurface into a window
*
* Base class for system-dependent windows.
*/
struct _GstVaapiWindowClass {
/*< private >*/
GstVaapiObjectClass parent_class;
/*< protected >*/
GstVaapiWindowCreateFunc create;
GstVaapiWindowShowFunc show;
GstVaapiWindowHideFunc hide;
GstVaapiWindowGetGeometryFunc get_geometry;
GstVaapiWindowSetFullscreenFunc set_fullscreen;
GstVaapiWindowResizeFunc resize;
GstVaapiWindowRenderFunc render;
GstVaapiWindowRenderPixmapFunc render_pixmap;
};
GstVaapiWindow *
gst_vaapi_window_new(const GstVaapiWindowClass *window_class,
GstVaapiDisplay *display, guint width, guint height);
GstVaapiWindow *
gst_vaapi_window_new_from_native(const GstVaapiWindowClass *window_class,
GstVaapiDisplay *display, gpointer native_window);
/* Inline reference counting for core libgstvaapi library */
#ifdef GST_VAAPI_CORE
#define gst_vaapi_window_ref_internal(window) \
((gpointer)gst_vaapi_mini_object_ref(GST_VAAPI_MINI_OBJECT(window)))
#define gst_vaapi_window_unref_internal(window) \
gst_vaapi_mini_object_unref(GST_VAAPI_MINI_OBJECT(window))
#define gst_vaapi_window_replace_internal(old_window_ptr, new_window) \
gst_vaapi_mini_object_replace((GstVaapiMiniObject **)(old_window_ptr), \
GST_VAAPI_MINI_OBJECT(new_window))
#undef gst_vaapi_window_ref
#define gst_vaapi_window_ref(window) \
gst_vaapi_window_ref_internal((window))
#undef gst_vaapi_window_unref
#define gst_vaapi_window_unref(window) \
gst_vaapi_window_unref_internal((window))
#undef gst_vaapi_window_replace
#define gst_vaapi_window_replace(old_window_ptr, new_window) \
gst_vaapi_window_replace_internal((old_window_ptr), (new_window))
#endif
G_END_DECLS
#endif /* GST_VAAPI_WINDOW_PRIV_H */