mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-30 05:31:15 +00:00
165 lines
4 KiB
C
165 lines
4 KiB
C
/*
|
|
* gstvaapitexture.c - VA texture Hash map
|
|
*
|
|
* Copyright (C) 2016 Intel Corporation
|
|
* Copyright (C) 2016 Igalia S.L.
|
|
*
|
|
* 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:gstvaapitexturemap
|
|
* @short_description: VA/GLX/EGL texture hash map abstraction
|
|
*/
|
|
|
|
#include "gstvaapitexturemap.h"
|
|
|
|
#define DEBUG 1
|
|
#include "gstvaapidebug.h"
|
|
|
|
/**
|
|
* GstVaapiTextureMap:
|
|
*
|
|
* Base class for API-dependent texture map.
|
|
*/
|
|
struct _GstVaapiTextureMap
|
|
{
|
|
GstObject parent_instance;
|
|
|
|
/*< private > */
|
|
GHashTable *texture_map;
|
|
};
|
|
|
|
/**
|
|
* GstVaapiTextureMapClass:
|
|
*
|
|
* Base class for API-dependent texture map.
|
|
*/
|
|
struct _GstVaapiTextureMapClass
|
|
{
|
|
GstObjectClass parent_class;
|
|
};
|
|
|
|
#define MAX_NUM_TEXTURE 10
|
|
|
|
G_DEFINE_TYPE (GstVaapiTextureMap, gst_vaapi_texture_map, GST_TYPE_OBJECT);
|
|
|
|
static void
|
|
gst_vaapi_texture_map_init (GstVaapiTextureMap * map)
|
|
{
|
|
map->texture_map =
|
|
g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL,
|
|
(GDestroyNotify) gst_mini_object_unref);
|
|
}
|
|
|
|
static void
|
|
gst_vaapi_texture_map_finalize (GObject * object)
|
|
{
|
|
GstVaapiTextureMap *map = GST_VAAPI_TEXTURE_MAP (object);
|
|
|
|
if (map->texture_map) {
|
|
g_hash_table_remove_all (map->texture_map);
|
|
g_hash_table_destroy (map->texture_map);
|
|
}
|
|
|
|
G_OBJECT_CLASS (gst_vaapi_texture_map_parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
gst_vaapi_texture_map_class_init (GstVaapiTextureMapClass * klass)
|
|
{
|
|
GObjectClass *const object_class = G_OBJECT_CLASS (klass);
|
|
|
|
object_class->finalize = gst_vaapi_texture_map_finalize;
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_texture_map_new:
|
|
*
|
|
* Creates a texture hash map.
|
|
*
|
|
* Return value: the newly created #GstVaapiTextureMap object
|
|
*/
|
|
GstVaapiTextureMap *
|
|
gst_vaapi_texture_map_new (void)
|
|
{
|
|
GstVaapiTextureMap *map;
|
|
|
|
map = g_object_new (GST_TYPE_VAAPI_TEXTURE_MAP, NULL);
|
|
return map;
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_texture_map_add:
|
|
* @map: a #GstVaapiTextureMap instance
|
|
* @texture: a #GstVaapiTexture instance to add
|
|
* @id: the id of the GLTexture
|
|
*
|
|
* Adds @texture into the @map table.
|
|
*
|
|
* Returns: %TRUE if @texture was inserted correctly.
|
|
**/
|
|
gboolean
|
|
gst_vaapi_texture_map_add (GstVaapiTextureMap * map, GstVaapiTexture * texture,
|
|
guint id)
|
|
{
|
|
g_return_val_if_fail (map != NULL, FALSE);
|
|
g_return_val_if_fail (map->texture_map != NULL, FALSE);
|
|
g_return_val_if_fail (texture != NULL, FALSE);
|
|
|
|
if (g_hash_table_size (map->texture_map) > MAX_NUM_TEXTURE) {
|
|
GST_WARNING ("Texture map is full");
|
|
return FALSE;
|
|
}
|
|
|
|
g_hash_table_insert (map->texture_map, GUINT_TO_POINTER (id), texture);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_texture_map_lookup:
|
|
* @map: a #GstVaapiTextureMap instance
|
|
* @id: the id of the GLTexture
|
|
*
|
|
* Search for the #GstVaapiTexture associated with the GLTexture @id
|
|
* in the @map.
|
|
*
|
|
* Returns: a pointer to #GstVaapiTexture if found; otherwise %NULL.
|
|
**/
|
|
GstVaapiTexture *
|
|
gst_vaapi_texture_map_lookup (GstVaapiTextureMap * map, guint id)
|
|
{
|
|
g_return_val_if_fail (map != NULL, NULL);
|
|
g_return_val_if_fail (map->texture_map != NULL, NULL);
|
|
|
|
return g_hash_table_lookup (map->texture_map, GUINT_TO_POINTER (id));
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_texture_map_reset:
|
|
* @map: a #GstVaapiTextureMap instance
|
|
*
|
|
* Removes all the #GstVaapiTexture in the @map.
|
|
**/
|
|
void
|
|
gst_vaapi_texture_map_reset (GstVaapiTextureMap * map)
|
|
{
|
|
g_return_if_fail (map != NULL);
|
|
g_return_if_fail (map->texture_map != NULL);
|
|
|
|
g_hash_table_remove_all (map->texture_map);
|
|
}
|