gstreamer/gst-libs/gst/vaapi/gstvaapidisplay_priv.h
2013-05-07 17:51:27 +02:00

206 lines
6.9 KiB
C

/*
* gstvaapidisplay_priv.h - Base VA display (private definitions)
*
* Copyright (C) 2010-2011 Splitted-Desktop Systems
* Copyright (C) 2011-2012 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_DISPLAY_PRIV_H
#define GST_VAAPI_DISPLAY_PRIV_H
#include <gst/vaapi/gstvaapidisplay.h>
#include <gst/vaapi/gstvaapidisplaycache.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) \
((GstVaapiDisplayClass *)(klass))
#define GST_VAAPI_IS_DISPLAY_CLASS(klass) \
((klass) != NULL)
#define GST_VAAPI_DISPLAY_GET_CLASS(obj) \
GST_VAAPI_DISPLAY_CLASS(GST_VAAPI_MINI_OBJECT_GET_CLASS(obj))
typedef struct _GstVaapiDisplayPrivate GstVaapiDisplayPrivate;
typedef struct _GstVaapiDisplayClass GstVaapiDisplayClass;
typedef enum _GstVaapiDisplayInitType GstVaapiDisplayInitType;
typedef void (*GstVaapiDisplayInitFunc) (GstVaapiDisplay *display);
typedef gboolean (*GstVaapiDisplayBindFunc) (GstVaapiDisplay *display,
gpointer native_dpy);
typedef gboolean (*GstVaapiDisplayOpenFunc) (GstVaapiDisplay *display,
const gchar *name);
typedef void (*GstVaapiDisplayCloseFunc) (GstVaapiDisplay *display);
typedef void (*GstVaapiDisplayLockFunc) (GstVaapiDisplay *display);
typedef void (*GstVaapiDisplayUnlockFunc) (GstVaapiDisplay *display);
typedef void (*GstVaapiDisplaySyncFunc) (GstVaapiDisplay *display);
typedef void (*GstVaapiDisplayFlushFunc) (GstVaapiDisplay *display);
typedef gboolean (*GstVaapiDisplayGetInfoFunc) (GstVaapiDisplay *display,
GstVaapiDisplayInfo *info);
typedef void (*GstVaapiDisplayGetSizeFunc) (GstVaapiDisplay *display,
guint *pwidth, guint *pheight);
typedef void (*GstVaapiDisplayGetSizeMFunc)(GstVaapiDisplay *display,
guint *pwidth, guint *pheight);
/**
* 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_LOCK:
* @display: a #GstVaapiDisplay
*
* Locks @display
*/
#undef GST_VAAPI_DISPLAY_LOCK
#define GST_VAAPI_DISPLAY_LOCK(display) \
gst_vaapi_display_lock(GST_VAAPI_DISPLAY_CAST(display))
/**
* GST_VAAPI_DISPLAY_UNLOCK:
* @display: a #GstVaapiDisplay
*
* Unlocks @display
*/
#undef GST_VAAPI_DISPLAY_UNLOCK
#define GST_VAAPI_DISPLAY_UNLOCK(display) \
gst_vaapi_display_unlock(GST_VAAPI_DISPLAY_CAST(display))
struct _GstVaapiDisplayPrivate {
GstVaapiDisplay *parent;
GRecMutex mutex;
GstVaapiDisplayType display_type;
VADisplay display;
guint width;
guint height;
guint width_mm;
guint height_mm;
guint par_n;
guint par_d;
GArray *decoders;
GArray *encoders;
GArray *image_formats;
GArray *subpicture_formats;
GArray *properties;
guint use_foreign_display : 1;
};
/**
* GstVaapiDisplay:
*
* Base class for VA displays.
*/
struct _GstVaapiDisplay {
/*< private >*/
GstVaapiMiniObject 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
*
* Base class for VA displays.
*/
struct _GstVaapiDisplayClass {
/*< private >*/
GstVaapiMiniObjectClass parent_class;
/*< public >*/
GstVaapiDisplayInitFunc init;
GstVaapiDisplayBindFunc bind_display;
GstVaapiDisplayOpenFunc open_display;
GstVaapiDisplayCloseFunc close_display;
GstVaapiDisplayLockFunc lock;
GstVaapiDisplayUnlockFunc unlock;
GstVaapiDisplaySyncFunc sync;
GstVaapiDisplayFlushFunc flush;
GstVaapiDisplayGetInfoFunc get_display;
GstVaapiDisplayGetSizeFunc get_size;
GstVaapiDisplayGetSizeMFunc get_size_mm;
};
/* 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
};
void
gst_vaapi_display_class_init(GstVaapiDisplayClass *klass);
GstVaapiDisplay *
gst_vaapi_display_new(const GstVaapiDisplayClass *klass,
GstVaapiDisplayInitType init_type, gpointer init_value);
GstVaapiDisplayCache *
gst_vaapi_display_get_cache(void);
/* Inline reference counting for core libgstvaapi library */
#ifdef GST_VAAPI_CORE
#define gst_vaapi_display_ref_internal(display) \
((gpointer)gst_vaapi_mini_object_ref(GST_VAAPI_MINI_OBJECT(display)))
#define gst_vaapi_display_unref_internal(display) \
gst_vaapi_mini_object_unref(GST_VAAPI_MINI_OBJECT(display))
#define gst_vaapi_display_replace_internal(old_display_ptr, new_display) \
gst_vaapi_mini_object_replace((GstVaapiMiniObject **)(old_display_ptr), \
GST_VAAPI_MINI_OBJECT(new_display))
#undef gst_vaapi_display_ref
#define gst_vaapi_display_ref(display) \
gst_vaapi_display_ref_internal((display))
#undef gst_vaapi_display_unref
#define gst_vaapi_display_unref(display) \
gst_vaapi_display_unref_internal((display))
#undef gst_vaapi_display_replace
#define gst_vaapi_display_replace(old_display_ptr, new_display) \
gst_vaapi_display_replace_internal((old_display_ptr), (new_display))
#endif
G_END_DECLS
#endif /* GST_VAAPI_DISPLAY_PRIV_H */