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Re-indent and provide additional minor cosmetical changes to the GstVaapiMiniObject and GstVaapiObject source files.
210 lines
5.6 KiB
C
210 lines
5.6 KiB
C
/*
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* gstvaapiobject.c - Base VA object
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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) 2012-2013 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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/**
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* SECTION:gstvaapiobject
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* @short_description: Base VA object
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*/
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#include "sysdeps.h"
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#include "gstvaapiobject.h"
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#include "gstvaapiobject_priv.h"
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#include "gstvaapiminiobject.h"
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#include "gstvaapidisplay_priv.h"
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#define DEBUG 1
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#include "gstvaapidebug.h"
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/* Ensure those symbols are actually defined in the resulting libraries */
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#undef gst_vaapi_object_ref
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#undef gst_vaapi_object_unref
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#undef gst_vaapi_object_replace
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static void
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gst_vaapi_object_finalize (GstVaapiObject * object)
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{
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const GstVaapiObjectClass *const klass = GST_VAAPI_OBJECT_GET_CLASS (object);
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if (klass->finalize)
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klass->finalize (object);
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gst_vaapi_display_replace (&object->display, NULL);
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}
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void
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gst_vaapi_object_class_init (GstVaapiObjectClass * klass, guint size)
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{
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GstVaapiMiniObjectClass *const object_class =
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GST_VAAPI_MINI_OBJECT_CLASS (klass);
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object_class->size = size;
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object_class->finalize = (GDestroyNotify) gst_vaapi_object_finalize;
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}
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/**
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* gst_vaapi_object_new:
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* @klass: The object class
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* @display: The #GstVaapiDisplay
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*
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* Creates a new #GstVaapiObject. The @klass argument shall not be
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* %NULL, and it must reference a statically allocated descriptor.
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*
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* This function zero-initializes the derived object data. Also note
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* that this is an internal function that shall not be used outside of
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* libgstvaapi libraries.
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*
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* Returns: The newly allocated #GstVaapiObject
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*/
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gpointer
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gst_vaapi_object_new (const GstVaapiObjectClass * klass,
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GstVaapiDisplay * display)
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{
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const GstVaapiMiniObjectClass *const object_class =
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GST_VAAPI_MINI_OBJECT_CLASS (klass);
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GstVaapiObject *object;
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guint sub_size;
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g_return_val_if_fail (klass != NULL, NULL);
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g_return_val_if_fail (display != NULL, NULL);
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object = (GstVaapiObject *) gst_vaapi_mini_object_new (object_class);
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if (!object)
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return NULL;
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object->display = gst_vaapi_display_ref (display);
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object->object_id = VA_INVALID_ID;
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sub_size = object_class->size - sizeof (*object);
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if (sub_size > 0)
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memset (((guchar *) object) + sizeof (*object), 0, sub_size);
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if (klass && klass->init)
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klass->init (object);
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return object;
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}
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/**
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* gst_vaapi_object_ref:
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* @object: a #GstVaapiObject
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*
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* Atomically increases the reference count of the given @object by one.
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*
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* Returns: The same @object argument
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*/
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gpointer
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gst_vaapi_object_ref (gpointer object)
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{
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return gst_vaapi_object_ref_internal (object);
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}
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/**
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* gst_vaapi_object_unref:
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* @object: a #GstVaapiObject
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*
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* Atomically decreases the reference count of the @object by one. If
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* the reference count reaches zero, the object will be free'd.
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*/
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void
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gst_vaapi_object_unref (gpointer object)
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{
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gst_vaapi_object_unref_internal (object);
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}
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/**
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* gst_vaapi_object_replace:
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* @old_object_ptr: a pointer to a #GstVaapiObject
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* @new_object: a #GstVaapiObject
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*
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* Atomically replaces the object object held in @old_object_ptr with
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* @new_object. This means that @old_object_ptr shall reference a
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* valid object. However, @new_object can be NULL.
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*/
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void
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gst_vaapi_object_replace (gpointer old_object_ptr, gpointer new_object)
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{
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gst_vaapi_object_replace_internal (old_object_ptr, new_object);
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}
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/**
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* gst_vaapi_object_get_display:
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* @object: a #GstVaapiObject
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*
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* Returns the #GstVaapiDisplay this @object is bound to.
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*
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* Return value: the parent #GstVaapiDisplay object
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*/
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GstVaapiDisplay *
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gst_vaapi_object_get_display (GstVaapiObject * object)
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{
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g_return_val_if_fail (object != NULL, NULL);
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return GST_VAAPI_OBJECT_DISPLAY (object);
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}
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/**
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* gst_vaapi_object_lock_display:
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* @object: a #GstVaapiObject
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*
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* Locks @object parent display. If display is already locked by
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* another thread, the current thread will block until display is
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* unlocked by the other thread.
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*/
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void
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gst_vaapi_object_lock_display (GstVaapiObject * object)
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{
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g_return_if_fail (object != NULL);
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GST_VAAPI_OBJECT_LOCK_DISPLAY (object);
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}
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/**
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* gst_vaapi_object_unlock_display:
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* @object: a #GstVaapiObject
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*
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* Unlocks @object parent display. If another thread is blocked in a
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* gst_vaapi_object_lock_display() call, it will be woken and can lock
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* display itself.
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*/
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void
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gst_vaapi_object_unlock_display (GstVaapiObject * object)
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{
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g_return_if_fail (object != NULL);
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GST_VAAPI_OBJECT_UNLOCK_DISPLAY (object);
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}
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/**
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* gst_vaapi_object_get_id:
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* @object: a #GstVaapiObject
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*
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* Returns the #GstVaapiID contained in the @object.
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*
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* Return value: the #GstVaapiID of the @object
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*/
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GstVaapiID
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gst_vaapi_object_get_id (GstVaapiObject * object)
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{
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g_return_val_if_fail (object != NULL, 0);
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return GST_VAAPI_OBJECT_ID (object);
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}
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