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