mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-17 22:06:41 +00:00
120 lines
3.3 KiB
C
120 lines
3.3 KiB
C
/*
|
|
* 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;
|
|
|
|
/* ERRORS */
|
|
error:
|
|
{
|
|
gst_vaapi_mini_object_unref (GST_VAAPI_MINI_OBJECT (pool));
|
|
return NULL;
|
|
}
|
|
}
|