gstreamer/subprojects/gstreamer-vaapi/gst-libs/gst/vaapi/gstvaapidisplay_priv.h

211 lines
7.4 KiB
C

/*
* gstvaapidisplay_priv.h - Base VA display (private definitions)
*
* Copyright (C) 2010-2011 Splitted-Desktop Systems
* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
* Copyright (C) 2011-2013 Intel Corporation
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
*
* 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_DISPLAY_PRIV_H
#define GST_VAAPI_DISPLAY_PRIV_H
#include <gst/vaapi/gstvaapidisplay.h>
#include <gst/vaapi/gstvaapiwindow.h>
#include <gst/vaapi/gstvaapitexture.h>
#include <gst/vaapi/gstvaapitexturemap.h>
#include "gstvaapiminiobject.h"
G_BEGIN_DECLS
#define GST_VAAPI_DISPLAY_CAST(display) \
((GstVaapiDisplay *)(display))
#define GST_VAAPI_DISPLAY_GET_PRIVATE(display) \
(GST_VAAPI_DISPLAY_CAST (display)->priv)
#define GST_VAAPI_DISPLAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_VAAPI_DISPLAY, GstVaapiDisplayClass))
#define GST_VAAPI_IS_DISPLAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_VAAPI_DISPLAY))
#define GST_VAAPI_DISPLAY_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_VAAPI_DISPLAY, GstVaapiDisplayClass))
typedef struct _GstVaapiDisplayPrivate GstVaapiDisplayPrivate;
typedef struct _GstVaapiDisplayClass GstVaapiDisplayClass;
typedef enum _GstVaapiDisplayInitType GstVaapiDisplayInitType;
/**
* GST_VAAPI_DISPLAY_GET_CLASS_TYPE:
* @display: a #GstVaapiDisplay
*
* Returns the #display class type
* This is an internal macro that does not do any run-time type check.
*/
#undef GST_VAAPI_DISPLAY_GET_CLASS_TYPE
#define GST_VAAPI_DISPLAY_GET_CLASS_TYPE(display) \
(GST_VAAPI_DISPLAY_GET_CLASS (display)->display_type)
/**
* GST_VAAPI_DISPLAY_NATIVE:
* @display: a #GstVaapiDisplay
*
* Macro that evaluates to the native display of @display.
* This is an internal macro that does not do any run-time type check.
*/
#undef GST_VAAPI_DISPLAY_NATIVE
#define GST_VAAPI_DISPLAY_NATIVE(display) \
(GST_VAAPI_DISPLAY_GET_PRIVATE (display)->native_display)
/**
* GST_VAAPI_DISPLAY_VADISPLAY:
* @display_: a #GstVaapiDisplay
*
* Macro that evaluates to the #VADisplay of @display_.
* This is an internal macro that does not do any run-time type check.
*/
#undef GST_VAAPI_DISPLAY_VADISPLAY
#define GST_VAAPI_DISPLAY_VADISPLAY(display_) \
(GST_VAAPI_DISPLAY_GET_PRIVATE (display_)->display)
/**
* GST_VAAPI_DISPLAY_VADISPLAY_TYPE:
* @display: a #GstVaapiDisplay
*
* Returns the underlying VADisplay @display type
* This is an internal macro that does not do any run-time type check.
*/
#undef GST_VAAPI_DISPLAY_VADISPLAY_TYPE
#define GST_VAAPI_DISPLAY_VADISPLAY_TYPE(display) \
(GST_VAAPI_DISPLAY_GET_CLASS (display)->display_type)
/**
* GST_VAAPI_DISPLAY_HAS_VPP:
* @display: a @GstVaapiDisplay
*
* Returns whether the @display supports video processing (VA/VPP)
* This is an internal macro that does not do any run-time type check.
*/
#undef GST_VAAPI_DISPLAY_HAS_VPP
#define GST_VAAPI_DISPLAY_HAS_VPP(display) \
gst_vaapi_display_has_video_processing (GST_VAAPI_DISPLAY_CAST (display))
struct _GstVaapiDisplayPrivate
{
GstVaapiDisplay *parent;
GRecMutex mutex;
gchar *display_name;
VADisplay display;
gpointer native_display;
guint width;
guint height;
guint width_mm;
guint height_mm;
guint par_n;
guint par_d;
GPtrArray *decoders; /* ref element in codecs */
GPtrArray *encoders; /* ref element in codecs */
GArray *codecs;
GArray *image_formats;
GArray *subpicture_formats;
GArray *properties;
gchar *vendor_string;
guint use_foreign_display:1;
guint has_vpp:1;
guint has_profiles:1;
guint got_scrres:1;
guint driver_quirks;
};
/**
* GstVaapiDisplay:
*
* Base class for VA displays.
*/
struct _GstVaapiDisplay
{
/*< private >*/
GstObject parent_instance;
GstVaapiDisplayPrivate *priv;
};
/**
* GstVaapiDisplayClass:
* @open_display: virtual function to open a display
* @close_display: virtual function to close a display
* @lock: (optional) virtual function to lock a display
* @unlock: (optional) virtual function to unlock a display
* @sync: (optional) virtual function to sync a display
* @flush: (optional) virtual function to flush pending requests of a display
* @get_display: virtual function to retrieve the #GstVaapiDisplayInfo
* @get_size: virtual function to retrieve the display dimensions, in pixels
* @get_size_mm: virtual function to retrieve the display dimensions, in millimeters
* @get_visual_id: (optional) virtual function to retrieve the window visual id
* @get_colormap: (optional) virtual function to retrieve the window colormap
* @create_window: (optional) virtual function to create a window
* @create_texture: (optional) virtual function to create a texture
* @get_texture_map: (optional) virtual function to get texture map
*
* Base class for VA displays.
*/
struct _GstVaapiDisplayClass
{
/*< private >*/
GstObjectClass parent_class;
/*< protected >*/
guint display_type;
/*< public >*/
void (*init) (GstVaapiDisplay * display);
gboolean (*bind_display) (GstVaapiDisplay * display, gpointer native_dpy);
gboolean (*open_display) (GstVaapiDisplay * display, const gchar * name);
void (*close_display) (GstVaapiDisplay * display);
void (*lock) (GstVaapiDisplay * display);
void (*unlock) (GstVaapiDisplay * display);
void (*sync) (GstVaapiDisplay * display);
void (*flush) (GstVaapiDisplay * display);
gboolean (*get_display) (GstVaapiDisplay * display, GstVaapiDisplayInfo * info);
void (*get_size) (GstVaapiDisplay * display, guint * pwidth, guint * pheight);
void (*get_size_mm) (GstVaapiDisplay * display, guint * pwidth, guint * pheight);
guintptr (*get_visual_id) (GstVaapiDisplay * display, GstVaapiWindow * window);
guintptr (*get_colormap) (GstVaapiDisplay * display, GstVaapiWindow * window);
GstVaapiWindow *(*create_window) (GstVaapiDisplay * display, GstVaapiID id, guint width, guint height);
GstVaapiTexture *(*create_texture) (GstVaapiDisplay * display, GstVaapiID id, guint target, guint format,
guint width, guint height);
GstVaapiTextureMap *(*get_texture_map) (GstVaapiDisplay * display);
};
/* Initialization types */
enum _GstVaapiDisplayInitType
{
GST_VAAPI_DISPLAY_INIT_FROM_DISPLAY_NAME = 1,
GST_VAAPI_DISPLAY_INIT_FROM_NATIVE_DISPLAY,
GST_VAAPI_DISPLAY_INIT_FROM_VA_DISPLAY
};
GstVaapiDisplay *
gst_vaapi_display_config (GstVaapiDisplay * display,
GstVaapiDisplayInitType init_type, gpointer init_value);
G_END_DECLS
#endif /* GST_VAAPI_DISPLAY_PRIV_H */