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71053228b3
Make sure to initialize one GstVaapiDisplay at a time, even in threaded environments. This makes sure the display cache is also consistent during the whole display creation process. In the former implementation, there were risks that display cache got updated in another thread.
264 lines
8 KiB
C
264 lines
8 KiB
C
/*
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* gstvaapidisplay_priv.h - Base VA display (private definitions)
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*
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* Copyright (C) 2010-2011 Splitted-Desktop Systems
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* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
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* Copyright (C) 2011-2013 Intel Corporation
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* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.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 Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#ifndef GST_VAAPI_DISPLAY_PRIV_H
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#define GST_VAAPI_DISPLAY_PRIV_H
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#include <gst/vaapi/gstvaapidisplay.h>
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#include <gst/vaapi/gstvaapidisplaycache.h>
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#include "gstvaapiminiobject.h"
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G_BEGIN_DECLS
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#define GST_VAAPI_DISPLAY_CAST(display) \
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((GstVaapiDisplay *)(display))
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#define GST_VAAPI_DISPLAY_GET_PRIVATE(display) \
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(&GST_VAAPI_DISPLAY_CAST(display)->priv)
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#define GST_VAAPI_DISPLAY_CLASS(klass) \
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((GstVaapiDisplayClass *)(klass))
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#define GST_VAAPI_IS_DISPLAY_CLASS(klass) \
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((klass) != NULL)
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#define GST_VAAPI_DISPLAY_GET_CLASS(obj) \
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GST_VAAPI_DISPLAY_CLASS(GST_VAAPI_MINI_OBJECT_GET_CLASS(obj))
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typedef struct _GstVaapiDisplayPrivate GstVaapiDisplayPrivate;
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typedef struct _GstVaapiDisplayClass GstVaapiDisplayClass;
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typedef enum _GstVaapiDisplayInitType GstVaapiDisplayInitType;
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typedef void (*GstVaapiDisplayInitFunc) (GstVaapiDisplay * display);
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typedef gboolean (*GstVaapiDisplayBindFunc) (GstVaapiDisplay * display,
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gpointer native_dpy);
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typedef gboolean (*GstVaapiDisplayOpenFunc) (GstVaapiDisplay * display,
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const gchar * name);
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typedef void (*GstVaapiDisplayCloseFunc) (GstVaapiDisplay * display);
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typedef void (*GstVaapiDisplayLockFunc) (GstVaapiDisplay * display);
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typedef void (*GstVaapiDisplayUnlockFunc) (GstVaapiDisplay * display);
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typedef void (*GstVaapiDisplaySyncFunc) (GstVaapiDisplay * display);
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typedef void (*GstVaapiDisplayFlushFunc) (GstVaapiDisplay * display);
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typedef gboolean (*GstVaapiDisplayGetInfoFunc) (GstVaapiDisplay * display,
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GstVaapiDisplayInfo * info);
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typedef void (*GstVaapiDisplayGetSizeFunc) (GstVaapiDisplay * display,
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guint * pwidth, guint * pheight);
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typedef void (*GstVaapiDisplayGetSizeMFunc) (GstVaapiDisplay * display,
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guint * pwidth, guint * pheight);
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/**
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* GST_VAAPI_DISPLAY_VADISPLAY:
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* @display_: a #GstVaapiDisplay
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*
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* Macro that evaluates to the #VADisplay of @display.
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* This is an internal macro that does not do any run-time type check.
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*/
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#undef GST_VAAPI_DISPLAY_VADISPLAY
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#define GST_VAAPI_DISPLAY_VADISPLAY(display_) \
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GST_VAAPI_DISPLAY_GET_PRIVATE(display_)->display
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/**
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* GST_VAAPI_DISPLAY_LOCK:
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* @display: a #GstVaapiDisplay
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*
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* Locks @display
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*/
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#undef GST_VAAPI_DISPLAY_LOCK
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#define GST_VAAPI_DISPLAY_LOCK(display) \
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gst_vaapi_display_lock(GST_VAAPI_DISPLAY_CAST(display))
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/**
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* GST_VAAPI_DISPLAY_UNLOCK:
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* @display: a #GstVaapiDisplay
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*
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* Unlocks @display
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*/
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#undef GST_VAAPI_DISPLAY_UNLOCK
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#define GST_VAAPI_DISPLAY_UNLOCK(display) \
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gst_vaapi_display_unlock(GST_VAAPI_DISPLAY_CAST(display))
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/**
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* GST_VAAPI_DISPLAY_TYPE:
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* @display: a #GstVaapiDisplay
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*
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* Returns the @display type
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*/
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#undef GST_VAAPI_DISPLAY_TYPE
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#define GST_VAAPI_DISPLAY_TYPE(display) \
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GST_VAAPI_DISPLAY_GET_PRIVATE(display)->display_type
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/**
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* GST_VAAPI_DISPLAY_TYPES:
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* @display: a #GstVaapiDisplay
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*
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* Returns compatible @display types as a set of flags
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*/
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#undef GST_VAAPI_DISPLAY_TYPES
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#define GST_VAAPI_DISPLAY_TYPES(display) \
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gst_vaapi_display_get_display_types(GST_VAAPI_DISPLAY_CAST(display))
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/**
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* GST_VAAPI_DISPLAY_HAS_VPP:
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* @display: a @GstVaapiDisplay
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*
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* Returns whether the @display supports video processing (VA/VPP)
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*/
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#undef GST_VAAPI_DISPLAY_HAS_VPP
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#define GST_VAAPI_DISPLAY_HAS_VPP(display) \
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gst_vaapi_display_has_video_processing(GST_VAAPI_DISPLAY_CAST(display))
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/**
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* GST_VAAPI_DISPLAY_CACHE:
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* @display: a @GstVaapiDisplay
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*
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* Returns the #GstVaapiDisplayCache attached to the supplied @display object.
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*/
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#undef GST_VAAPI_DISPLAY_GET_CACHE
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#define GST_VAAPI_DISPLAY_GET_CACHE(display) \
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(GST_VAAPI_DISPLAY_GET_PRIVATE (display)->cache)
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struct _GstVaapiDisplayPrivate
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{
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GstVaapiDisplay *parent;
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GstVaapiDisplayCache *cache;
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GRecMutex mutex;
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GstVaapiDisplayType display_type;
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VADisplay display;
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guint width;
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guint height;
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guint width_mm;
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guint height_mm;
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guint par_n;
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guint par_d;
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GArray *decoders;
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GArray *encoders;
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GArray *image_formats;
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GArray *subpicture_formats;
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GArray *properties;
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guint use_foreign_display:1;
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guint has_vpp:1;
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guint has_profiles:1;
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};
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/**
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* GstVaapiDisplay:
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*
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* Base class for VA displays.
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*/
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struct _GstVaapiDisplay
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{
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/*< private >*/
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GstVaapiMiniObject parent_instance;
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GstVaapiDisplayPrivate priv;
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};
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/**
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* GstVaapiDisplayClass:
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* @open_display: virtual function to open a display
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* @close_display: virtual function to close a display
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* @lock: (optional) virtual function to lock a display
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* @unlock: (optional) virtual function to unlock a display
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* @sync: (optional) virtual function to sync a display
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* @flush: (optional) virtual function to flush pending requests of a display
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* @get_display: virtual function to retrieve the #GstVaapiDisplayInfo
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* @get_size: virtual function to retrieve the display dimensions, in pixels
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* @get_size_mm: virtual function to retrieve the display dimensions, in millimeters
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*
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* Base class for VA displays.
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*/
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struct _GstVaapiDisplayClass
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{
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/*< private >*/
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GstVaapiMiniObjectClass parent_class;
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/*< protected >*/
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guint display_types;
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/*< public >*/
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GstVaapiDisplayInitFunc init;
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GstVaapiDisplayBindFunc bind_display;
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GstVaapiDisplayOpenFunc open_display;
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GstVaapiDisplayCloseFunc close_display;
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GstVaapiDisplayLockFunc lock;
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GstVaapiDisplayUnlockFunc unlock;
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GstVaapiDisplaySyncFunc sync;
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GstVaapiDisplayFlushFunc flush;
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GstVaapiDisplayGetInfoFunc get_display;
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GstVaapiDisplayGetSizeFunc get_size;
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GstVaapiDisplayGetSizeMFunc get_size_mm;
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};
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/* Initialization types */
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enum _GstVaapiDisplayInitType
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{
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GST_VAAPI_DISPLAY_INIT_FROM_DISPLAY_NAME = 1,
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GST_VAAPI_DISPLAY_INIT_FROM_NATIVE_DISPLAY,
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GST_VAAPI_DISPLAY_INIT_FROM_VA_DISPLAY
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};
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void
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gst_vaapi_display_class_init (GstVaapiDisplayClass * klass);
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GstVaapiDisplay *
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gst_vaapi_display_new (const GstVaapiDisplayClass * klass,
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GstVaapiDisplayInitType init_type, gpointer init_value);
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static inline guint
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gst_vaapi_display_get_display_types (GstVaapiDisplay * display)
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{
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const GstVaapiDisplayClass *const dpy_class =
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GST_VAAPI_DISPLAY_GET_CLASS (display);
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return dpy_class->display_types;
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}
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/* Inline reference counting for core libgstvaapi library */
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#ifdef IN_LIBGSTVAAPI_CORE
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#define gst_vaapi_display_ref_internal(display) \
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((gpointer)gst_vaapi_mini_object_ref(GST_VAAPI_MINI_OBJECT(display)))
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#define gst_vaapi_display_unref_internal(display) \
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gst_vaapi_mini_object_unref(GST_VAAPI_MINI_OBJECT(display))
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#define gst_vaapi_display_replace_internal(old_display_ptr, new_display) \
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gst_vaapi_mini_object_replace((GstVaapiMiniObject **)(old_display_ptr), \
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GST_VAAPI_MINI_OBJECT(new_display))
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#undef gst_vaapi_display_ref
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#define gst_vaapi_display_ref(display) \
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gst_vaapi_display_ref_internal((display))
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#undef gst_vaapi_display_unref
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#define gst_vaapi_display_unref(display) \
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gst_vaapi_display_unref_internal((display))
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#undef gst_vaapi_display_replace
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#define gst_vaapi_display_replace(old_display_ptr, new_display) \
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gst_vaapi_display_replace_internal((old_display_ptr), (new_display))
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#endif
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G_END_DECLS
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#endif /* GST_VAAPI_DISPLAY_PRIV_H */
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