gstreamer/subprojects/gstreamer-vaapi/gst-libs/gst/vaapi/gstvaapisurfaceproxy.c

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/*
* gstvaapisurfaceproxy.c - VA surface proxy
*
* Copyright (C) 2010-2011 Splitted-Desktop Systems
* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
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* Copyright (C) 2011-2014 Intel Corporation
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
*
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* 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.
*
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* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
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* 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
*/
/**
* SECTION:gstvaapisurfaceproxy
* @short_description: VA surface proxy
*/
#include "sysdeps.h"
#include "gstvaapisurfaceproxy.h"
#include "gstvaapisurfaceproxy_priv.h"
#include "gstvaapivideopool_priv.h"
#define DEBUG 1
#include "gstvaapidebug.h"
static void
gst_vaapi_surface_proxy_finalize (GstVaapiSurfaceProxy * proxy)
{
if (proxy->surface) {
if (proxy->pool && !proxy->parent)
gst_vaapi_video_pool_put_object (proxy->pool, proxy->surface);
gst_vaapi_surface_unref (proxy->surface);
proxy->surface = NULL;
}
gst_vaapi_video_pool_replace (&proxy->pool, NULL);
gst_vaapi_surface_proxy_replace (&proxy->parent, NULL);
/* Notify the user function that the object is now destroyed */
if (proxy->destroy_func)
proxy->destroy_func (proxy->destroy_data);
}
static inline const GstVaapiMiniObjectClass *
gst_vaapi_surface_proxy_class (void)
{
static const GstVaapiMiniObjectClass GstVaapiSurfaceProxyClass = {
sizeof (GstVaapiSurfaceProxy),
(GDestroyNotify) gst_vaapi_surface_proxy_finalize
};
return &GstVaapiSurfaceProxyClass;
}
static void
gst_vaapi_surface_proxy_init_properties (GstVaapiSurfaceProxy * proxy)
{
proxy->view_id = 0;
proxy->timestamp = GST_CLOCK_TIME_NONE;
proxy->duration = GST_CLOCK_TIME_NONE;
proxy->has_crop_rect = FALSE;
}
/**
* gst_vaapi_surface_proxy_new:
* @surface: a #GstVaapiSurface
*
* Creates a new #GstVaapiSurfaceProxy with the specified
* surface. This allows for transporting additional information that
* are not to be attached to the @surface directly.
*
* Return value: the newly allocated #GstVaapiSurfaceProxy object
*/
GstVaapiSurfaceProxy *
gst_vaapi_surface_proxy_new (GstVaapiSurface * surface)
{
GstVaapiSurfaceProxy *proxy;
g_return_val_if_fail (surface != NULL, NULL);
proxy = (GstVaapiSurfaceProxy *)
gst_vaapi_mini_object_new (gst_vaapi_surface_proxy_class ());
if (!proxy)
return NULL;
proxy->parent = NULL;
proxy->destroy_func = NULL;
proxy->pool = NULL;
proxy->surface =
(GstVaapiSurface *) gst_mini_object_ref (GST_MINI_OBJECT_CAST (surface));
if (!proxy->surface)
goto error;
gst_vaapi_surface_proxy_init_properties (proxy);
return proxy;
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/* ERRORS */
error:
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{
gst_vaapi_surface_proxy_unref (proxy);
return NULL;
}
}
/**
* gst_vaapi_surface_proxy_new_from_pool:
* @pool: a #GstVaapiSurfacePool
*
* Allocates a new surface from the supplied surface @pool and creates
* the wrapped surface proxy object from it. When the last reference
* to the proxy object is released, then the underlying VA surface is
* pushed back to its parent pool.
*
* Returns: The same newly allocated @proxy object, or %NULL on error
*/
GstVaapiSurfaceProxy *
gst_vaapi_surface_proxy_new_from_pool (GstVaapiSurfacePool * pool)
{
GstVaapiSurfaceProxy *proxy;
g_return_val_if_fail (pool != NULL, NULL);
proxy = (GstVaapiSurfaceProxy *)
gst_vaapi_mini_object_new (gst_vaapi_surface_proxy_class ());
if (!proxy)
return NULL;
proxy->parent = NULL;
proxy->destroy_func = NULL;
proxy->pool = gst_vaapi_video_pool_ref (GST_VAAPI_VIDEO_POOL (pool));
proxy->surface = gst_vaapi_video_pool_get_object (proxy->pool);
if (!proxy->surface)
goto error;
gst_mini_object_ref (GST_MINI_OBJECT_CAST (proxy->surface));
gst_vaapi_surface_proxy_init_properties (proxy);
return proxy;
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/* ERRORS */
error:
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{
gst_vaapi_surface_proxy_unref (proxy);
return NULL;
}
}
/**
* gst_vaapi_surface_proxy_copy:
* @proxy: the parent #GstVaapiSurfaceProxy
*
* Creates are new VA surface proxy object from the supplied parent
* @proxy object with the same initial information, e.g. timestamp,
* duration.
*
* Note: the destroy notify function is not copied into the new
* surface proxy object.
*
* Returns: The same newly allocated @proxy object, or %NULL on error
*/
GstVaapiSurfaceProxy *
gst_vaapi_surface_proxy_copy (GstVaapiSurfaceProxy * proxy)
{
GstVaapiSurfaceProxy *copy;
g_return_val_if_fail (proxy != NULL, NULL);
copy = (GstVaapiSurfaceProxy *)
gst_vaapi_mini_object_new (gst_vaapi_surface_proxy_class ());
if (!copy)
return NULL;
GST_VAAPI_SURFACE_PROXY_FLAGS (copy) = GST_VAAPI_SURFACE_PROXY_FLAGS (proxy);
copy->parent = gst_vaapi_surface_proxy_ref (proxy->parent ?
proxy->parent : proxy);
copy->pool = proxy->pool ? gst_vaapi_video_pool_ref (proxy->pool) : NULL;
copy->surface = (GstVaapiSurface *)
gst_mini_object_ref (GST_MINI_OBJECT_CAST (proxy->surface));
copy->view_id = proxy->view_id;
copy->timestamp = proxy->timestamp;
copy->duration = proxy->duration;
copy->destroy_func = NULL;
copy->has_crop_rect = proxy->has_crop_rect;
if (copy->has_crop_rect)
copy->crop_rect = proxy->crop_rect;
return copy;
}
/**
* gst_vaapi_surface_proxy_ref:
* @proxy: a #GstVaapiSurfaceProxy
*
* Atomically increases the reference count of the given @proxy by one.
*
* Returns: The same @proxy argument
*/
GstVaapiSurfaceProxy *
gst_vaapi_surface_proxy_ref (GstVaapiSurfaceProxy * proxy)
{
g_return_val_if_fail (proxy != NULL, NULL);
return
GST_VAAPI_SURFACE_PROXY (gst_vaapi_mini_object_ref (GST_VAAPI_MINI_OBJECT
(proxy)));
}
/**
* gst_vaapi_surface_proxy_unref:
* @proxy: a #GstVaapiSurfaceProxy
*
* Atomically decreases the reference count of the @proxy by one. If
* the reference count reaches zero, the object will be free'd.
*/
void
gst_vaapi_surface_proxy_unref (GstVaapiSurfaceProxy * proxy)
{
g_return_if_fail (proxy != NULL);
gst_vaapi_mini_object_unref (GST_VAAPI_MINI_OBJECT (proxy));
}
/**
* gst_vaapi_surface_proxy_replace:
* @old_proxy_ptr: a pointer to a #GstVaapiSurfaceProxy
* @new_proxy: a #GstVaapiSurfaceProxy
*
* Atomically replaces the proxy object held in @old_proxy_ptr with
* @new_proxy. This means that @old_proxy_ptr shall reference a valid
* object. However, @new_proxy can be NULL.
*/
void
gst_vaapi_surface_proxy_replace (GstVaapiSurfaceProxy ** old_proxy_ptr,
GstVaapiSurfaceProxy * new_proxy)
{
g_return_if_fail (old_proxy_ptr != NULL);
gst_vaapi_mini_object_replace ((GstVaapiMiniObject **) old_proxy_ptr,
GST_VAAPI_MINI_OBJECT (new_proxy));
}
/**
* gst_vaapi_surface_proxy_get_surface:
* @proxy: a #GstVaapiSurfaceProxy
*
* Returns the #GstVaapiSurface stored in the @proxy.
*
* Return value: the #GstVaapiSurface
*/
GstVaapiSurface *
gst_vaapi_surface_proxy_get_surface (GstVaapiSurfaceProxy * proxy)
{
g_return_val_if_fail (proxy != NULL, NULL);
return GST_VAAPI_SURFACE_PROXY_SURFACE (proxy);
}
/**
* gst_vaapi_surface_proxy_get_flags:
* @proxy: a #GstVaapiSurfaceProxy
*
* Returns the #GstVaapiSurfaceProxyFlags associated with this surface
* @proxy.
*
* Return value: the set of #GstVaapiSurfaceProxyFlags
*/
guint
gst_vaapi_surface_proxy_get_flags (GstVaapiSurfaceProxy * proxy)
{
g_return_val_if_fail (proxy != NULL, 0);
return GST_VAAPI_SURFACE_PROXY_FLAGS (proxy);
}
/**
* gst_vaapi_surface_proxy_get_surface_id:
* @proxy: a #GstVaapiSurfaceProxy
*
* Returns the VA surface ID stored in the @proxy.
*
* Return value: the #GstVaapiID
*/
GstVaapiID
gst_vaapi_surface_proxy_get_surface_id (GstVaapiSurfaceProxy * proxy)
{
g_return_val_if_fail (proxy != NULL, VA_INVALID_ID);
g_return_val_if_fail (proxy->surface != NULL, VA_INVALID_ID);
return GST_VAAPI_SURFACE_PROXY_SURFACE_ID (proxy);
}
/**
* gst_vaapi_surface_proxy_get_view_id:
* @proxy: a #GstVaapiSurfaceProxy
*
* Returns the decoded view-id stored in the @proxy.
*
* Return value: the #GstVaapiID
*/
guintptr
gst_vaapi_surface_proxy_get_view_id (GstVaapiSurfaceProxy * proxy)
{
g_return_val_if_fail (proxy != NULL, 0);
return GST_VAAPI_SURFACE_PROXY_VIEW_ID (proxy);
}
/**
* gst_vaapi_surface_proxy_get_timestamp:
* @proxy: a #GstVaapiSurfaceProxy
*
* Returns the presentation timestamp for this surface @proxy.
*
* Return value: the presentation timestamp
*/
GstClockTime
gst_vaapi_surface_proxy_get_timestamp (GstVaapiSurfaceProxy * proxy)
{
g_return_val_if_fail (proxy != NULL, 0);
return GST_VAAPI_SURFACE_PROXY_TIMESTAMP (proxy);
}
/**
* gst_vaapi_surface_proxy_get_duration:
* @proxy: a #GstVaapiSurfaceProxy
*
* Returns the presentation duration for this surface @proxy.
*
* Return value: the presentation duration
*/
GstClockTime
gst_vaapi_surface_proxy_get_duration (GstVaapiSurfaceProxy * proxy)
{
g_return_val_if_fail (proxy != NULL, 0);
return GST_VAAPI_SURFACE_PROXY_DURATION (proxy);
}
/**
* gst_vaapi_surface_proxy_set_destroy_notify:
* @proxy: a @GstVaapiSurfaceProxy
* @destroy_func: a #GDestroyNotify function
* @user_data: some extra data to pass to the @destroy_func function
*
* Sets @destroy_func as the function to call when the surface @proxy
* was released. At this point, the proxy object is considered
* released, i.e. the underlying data storage is no longer valid and
* the callback function shall not expect anything from that.
*/
void
gst_vaapi_surface_proxy_set_destroy_notify (GstVaapiSurfaceProxy * proxy,
GDestroyNotify destroy_func, gpointer user_data)
{
g_return_if_fail (proxy != NULL);
proxy->destroy_func = destroy_func;
proxy->destroy_data = user_data;
}
/**
* gst_vaapi_surface_proxy_get_crop_rect:
* @proxy: a #GstVaapiSurfaceProxy
*
* Returns the #GstVaapiRectangle stored in the @proxy and that
* represents the cropping rectangle for the underlying surface to be
* used for rendering.
*
* If no cropping rectangle was associated with the @proxy, then this
* function returns %NULL.
*
* Return value: the #GstVaapiRectangle, or %NULL if none was
* associated with the surface proxy
*/
const GstVaapiRectangle *
gst_vaapi_surface_proxy_get_crop_rect (GstVaapiSurfaceProxy * proxy)
{
g_return_val_if_fail (proxy != NULL, NULL);
return GST_VAAPI_SURFACE_PROXY_CROP_RECT (proxy);
}
/**
* gst_vaapi_surface_proxy_set_crop_rect:
* @proxy: #GstVaapiSurfaceProxy
* @crop_rect: the #GstVaapiRectangle to be stored in @proxy
*
* Associates the @crop_rect with the @proxy
*/
void
gst_vaapi_surface_proxy_set_crop_rect (GstVaapiSurfaceProxy * proxy,
const GstVaapiRectangle * crop_rect)
{
g_return_if_fail (proxy != NULL);
proxy->has_crop_rect = crop_rect != NULL;
if (proxy->has_crop_rect)
proxy->crop_rect = *crop_rect;
}