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/*
* gstvaapiimagepool.c - Gst VA image pool
*
* Copyright (C) 2010-2011 Splitted-Desktop Systems
* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
* Copyright (C) 2012-2013 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
*/
/**
* SECTION:gstvaapiimagepool
* @short_description: VA image pool
*/
#include "sysdeps.h"
#include "gstvaapiimagepool.h"
#include "gstvaapivideopool_priv.h"
#define DEBUG 1
#include "gstvaapidebug.h"
/**
* GstVaapiImagePool:
*
* A pool of lazily allocated #GstVaapiImage objects.
*/
struct _GstVaapiImagePool
{
/*< private >*/
GstVaapiVideoPool parent_instance;
GstVideoFormat format;
guint width;
guint height;
};
static gboolean
image_pool_init (GstVaapiVideoPool * base_pool, const GstVideoInfo * vip)
{
GstVaapiImagePool *const pool = GST_VAAPI_IMAGE_POOL (base_pool);
pool->format = GST_VIDEO_INFO_FORMAT (vip);
pool->width = GST_VIDEO_INFO_WIDTH (vip);
pool->height = GST_VIDEO_INFO_HEIGHT (vip);
return gst_vaapi_display_has_image_format (base_pool->display, pool->format);
}
static gpointer
gst_vaapi_image_pool_alloc_object (GstVaapiVideoPool * base_pool)
{
GstVaapiImagePool *const pool = GST_VAAPI_IMAGE_POOL (base_pool);
return gst_vaapi_image_new (base_pool->display, pool->format,
pool->width, pool->height);
}
static inline const GstVaapiMiniObjectClass *
gst_vaapi_image_pool_class (void)
{
static const GstVaapiVideoPoolClass GstVaapiImagePoolClass = {
{sizeof (GstVaapiImagePool),
(GDestroyNotify) gst_vaapi_video_pool_finalize},
.alloc_object = gst_vaapi_image_pool_alloc_object
};
return GST_VAAPI_MINI_OBJECT_CLASS (&GstVaapiImagePoolClass);
}
/**
* gst_vaapi_image_pool_new:
* @display: a #GstVaapiDisplay
* @vip: the #GstVideoInfo
*
* Creates a new #GstVaapiVideoPool of #GstVaapiImage with the
* specified format and dimensions in @vip.
*
* Return value: the newly allocated #GstVaapiVideoPool
*/
GstVaapiVideoPool *
gst_vaapi_image_pool_new (GstVaapiDisplay * display, const GstVideoInfo * vip)
{
GstVaapiVideoPool *pool;
g_return_val_if_fail (display != NULL, NULL);
g_return_val_if_fail (vip != NULL, NULL);
pool = (GstVaapiVideoPool *)
gst_vaapi_mini_object_new (gst_vaapi_image_pool_class ());
if (!pool)
return NULL;
gst_vaapi_video_pool_init (pool, display,
GST_VAAPI_VIDEO_POOL_OBJECT_TYPE_IMAGE);
if (!image_pool_init (pool, vip))
goto error;
return pool;
error:
gst_vaapi_mini_object_unref (GST_VAAPI_MINI_OBJECT (pool));
return NULL;
}
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