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127 lines
3.7 KiB
C
127 lines
3.7 KiB
C
/*
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* gstvaapiimagepool.c - Gst VA image pool
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*
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* Copyright (C) 2010-2011 Splitted-Desktop Systems
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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:gstvaapiimagepool
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* @short_description: VA image pool
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*/
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#include "sysdeps.h"
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#include "gstvaapiimagepool.h"
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#define DEBUG 1
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#include "gstvaapidebug.h"
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G_DEFINE_TYPE(
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GstVaapiImagePool,
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gst_vaapi_image_pool,
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GST_VAAPI_TYPE_VIDEO_POOL);
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#define GST_VAAPI_IMAGE_POOL_GET_PRIVATE(obj) \
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(G_TYPE_INSTANCE_GET_PRIVATE((obj), \
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GST_VAAPI_TYPE_IMAGE_POOL, \
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GstVaapiImagePoolPrivate))
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struct _GstVaapiImagePoolPrivate {
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GstVaapiImageFormat format;
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guint width;
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guint height;
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};
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static void
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gst_vaapi_image_pool_set_caps(GstVaapiVideoPool *pool, GstCaps *caps)
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{
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GstVaapiImagePoolPrivate * const priv = GST_VAAPI_IMAGE_POOL(pool)->priv;
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GstStructure *structure;
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gint width, height;
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structure = gst_caps_get_structure(caps, 0);
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gst_structure_get_int(structure, "width", &width);
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gst_structure_get_int(structure, "height", &height);
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priv->format = gst_vaapi_image_format_from_caps(caps);
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priv->width = width;
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priv->height = height;
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}
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gpointer
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gst_vaapi_image_pool_alloc_object(
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GstVaapiVideoPool *pool,
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GstVaapiDisplay *display
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)
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{
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GstVaapiImagePoolPrivate * const priv = GST_VAAPI_IMAGE_POOL(pool)->priv;
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return gst_vaapi_image_new(display,
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priv->format,
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priv->width,
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priv->height);
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}
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static void
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gst_vaapi_image_pool_finalize(GObject *object)
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{
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G_OBJECT_CLASS(gst_vaapi_image_pool_parent_class)->finalize(object);
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}
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static void
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gst_vaapi_image_pool_class_init(GstVaapiImagePoolClass *klass)
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{
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GObjectClass * const object_class = G_OBJECT_CLASS(klass);
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GstVaapiVideoPoolClass * const pool_class = GST_VAAPI_VIDEO_POOL_CLASS(klass);
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g_type_class_add_private(klass, sizeof(GstVaapiImagePoolPrivate));
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object_class->finalize = gst_vaapi_image_pool_finalize;
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pool_class->set_caps = gst_vaapi_image_pool_set_caps;
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pool_class->alloc_object = gst_vaapi_image_pool_alloc_object;
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}
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static void
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gst_vaapi_image_pool_init(GstVaapiImagePool *pool)
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{
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GstVaapiImagePoolPrivate *priv = GST_VAAPI_IMAGE_POOL_GET_PRIVATE(pool);
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pool->priv = priv;
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priv->format = 0;
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priv->width = 0;
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priv->height = 0;
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}
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/**
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* gst_vaapi_image_pool_new:
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* @display: a #GstVaapiDisplay
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* @caps: a #GstCaps
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*
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* Creates a new #GstVaapiVideoPool of #GstVaapiImage with the
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* specified dimensions in @caps.
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*
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* Return value: the newly allocated #GstVaapiVideoPool
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*/
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GstVaapiVideoPool *
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gst_vaapi_image_pool_new(GstVaapiDisplay *display, GstCaps *caps)
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{
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return g_object_new(GST_VAAPI_TYPE_IMAGE_POOL,
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"display", display,
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"caps", caps,
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NULL);
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}
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