mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-12 03:16:33 +00:00
89 lines
2.3 KiB
C
89 lines
2.3 KiB
C
/*
|
|
* GStreamer gstreamer-tensormeta
|
|
* Copyright (C) 2023 Collabora Ltd
|
|
*
|
|
* gsttensormeta.c
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include "gsttensormeta.h"
|
|
|
|
static gboolean
|
|
gst_tensor_meta_init (GstMeta * meta, gpointer params, GstBuffer * buffer)
|
|
{
|
|
GstTensorMeta *tmeta = (GstTensorMeta *) meta;
|
|
|
|
tmeta->num_tensors = 0;
|
|
tmeta->tensor = NULL;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
gst_tensor_meta_free (GstMeta * meta, GstBuffer * buffer)
|
|
{
|
|
GstTensorMeta *tmeta = (GstTensorMeta *) meta;
|
|
|
|
for (int i = 0; i < tmeta->num_tensors; i++) {
|
|
g_free (tmeta->tensor[i].dims);
|
|
gst_buffer_unref (tmeta->tensor[i].data);
|
|
}
|
|
g_free (tmeta->tensor);
|
|
}
|
|
|
|
GType
|
|
gst_tensor_meta_api_get_type (void)
|
|
{
|
|
static GType type = 0;
|
|
static const gchar *tags[] = { NULL };
|
|
|
|
if (g_once_init_enter (&type)) {
|
|
GType _type = gst_meta_api_type_register ("GstTensorMetaAPI", tags);
|
|
g_once_init_leave (&type, _type);
|
|
}
|
|
return type;
|
|
}
|
|
|
|
|
|
const GstMetaInfo *
|
|
gst_tensor_meta_get_info (void)
|
|
{
|
|
static const GstMetaInfo *tmeta_info = NULL;
|
|
|
|
if (g_once_init_enter (&tmeta_info)) {
|
|
const GstMetaInfo *meta =
|
|
gst_meta_register (gst_tensor_meta_api_get_type (),
|
|
"GstTensorMeta",
|
|
sizeof (GstTensorMeta),
|
|
gst_tensor_meta_init,
|
|
gst_tensor_meta_free,
|
|
NULL); /* tensor_meta_transform not implemented */
|
|
g_once_init_leave (&tmeta_info, meta);
|
|
}
|
|
return tmeta_info;
|
|
}
|
|
|
|
gint
|
|
gst_tensor_meta_get_index_from_id (GstTensorMeta * meta, GQuark id)
|
|
{
|
|
for (int i = 0; i < meta->num_tensors; ++i) {
|
|
if ((meta->tensor + i)->id == id)
|
|
return i;
|
|
}
|
|
|
|
return GST_TENSOR_MISSING_ID;
|
|
}
|