NVIDIA DeepStream SDK API Reference
9.2 Release
9.2/sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h
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/*
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* SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __GST_NVINFEREVAL_H__
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#define __GST_NVINFEREVAL_H__
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#include <gst/gst.h>
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#include "
nvds_eval_engine.h
"
/* opaque C++ engine handle + C API */
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#include "nvdsmeta.h"
/* NvDsMetaType */
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G_BEGIN_DECLS
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#define GST_TYPE_NVINFEREVAL (gst_nv_infer_eval_get_type ())
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#define GST_NVINFEREVAL(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_NVINFEREVAL, GstNvInferEval))
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#define GST_NVINFEREVAL_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_NVINFEREVAL, GstNvInferEvalClass))
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#define GST_IS_NVINFEREVAL(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_NVINFEREVAL))
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#define GST_IS_NVINFEREVAL_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_NVINFEREVAL))
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typedef
struct
_GstNvInferEval
GstNvInferEval
;
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typedef
struct
_GstNvInferEvalClass
GstNvInferEvalClass
;
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struct
_GstNvInferEval
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{
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GstElement
parent
;
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/* pads */
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GstPad *
sinkpad
;
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GstPad *
srcpad
;
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/* C++ evaluation engine (opaque handle) */
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NvdsEvalEngine
*
eng
;
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/* upstream nvmodelmux element (NULL in Mode A).
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* Discovered at READY->PAUSED; ref held until PAUSED->READY. */
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GstElement *
mm_element
;
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/* TRUE when upstream (after transparent-element walk) is nvmodelmux */
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gboolean
mode_ab
;
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/* InferenceProvenanceMeta user-meta type, resolved once at READY->PAUSED */
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NvDsMetaType
prov_meta_type
;
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/* Rate-limit the "prov found but mm_element NULL" warning to once per run */
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gboolean
prov_warn_once
;
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/* --- raw property storage --- */
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gchar *
gt_file
;
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guint
eval_interval
;
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gfloat
iou_threshold
;
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gfloat
min_ap_margin
;
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gfloat
kpi_ap50
;
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gfloat
kpi_precision
;
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gfloat
kpi_recall
;
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guint
promotion_mode
;
/* 0=promote 1=swap 2=report-only */
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gchar *
report_file
;
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gchar *
config_file
;
/* path to GKeyFile INI config */
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gboolean
show_gt_overlay
;
/* draw GT boxes as green rects via nvosd */
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gboolean
show_ap_table
;
/* print per-class AP table to console */
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gboolean
cumulative
;
/* don't reset accumulator between epochs */
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gboolean
exclude_undetected
;
/* auto-exclude classes with 0 TP+FP */
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gchar *
exclude_classes
;
/* comma-separated classes to skip in mean */
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};
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struct
_GstNvInferEvalClass
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{
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GstElementClass
parent_class
;
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};
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GType
gst_nv_infer_eval_get_type
(
void
);
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G_END_DECLS
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#endif
/* __GST_NVINFEREVAL_H__ */
_GstNvInferEvalClass
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:118
_GstNvInferEval::show_gt_overlay
gboolean show_gt_overlay
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:111
_GstNvInferEval::min_ap_margin
gfloat min_ap_margin
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:104
_GstNvInferEval::parent
GstElement parent
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:78
_GstNvInferEval::srcpad
GstPad * srcpad
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:82
_GstNvInferEval::eng
NvdsEvalEngine * eng
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:85
gst_nv_infer_eval_get_type
GType gst_nv_infer_eval_get_type(void)
_GstNvInferEval::report_file
gchar * report_file
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:109
_GstNvInferEval::config_file
gchar * config_file
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:110
_GstNvInferEval::exclude_undetected
gboolean exclude_undetected
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:114
_GstNvInferEval
GstNvInferEval:
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:76
_GstNvInferEval::promotion_mode
guint promotion_mode
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:108
nvds_eval_engine.h
_GstNvInferEval::prov_meta_type
NvDsMetaType prov_meta_type
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:95
_GstNvInferEval::mode_ab
gboolean mode_ab
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:92
_GstNvInferEval::mm_element
GstElement * mm_element
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:89
_GstNvInferEval::eval_interval
guint eval_interval
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:102
_GstNvInferEval::gt_file
gchar * gt_file
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:101
_GstNvInferEval::exclude_classes
gchar * exclude_classes
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:115
_GstNvInferEval::kpi_recall
gfloat kpi_recall
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:107
_GstNvInferEval::prov_warn_once
gboolean prov_warn_once
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:98
_GstNvInferEval::kpi_ap50
gfloat kpi_ap50
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:105
_GstNvInferEvalClass::parent_class
GstElementClass parent_class
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:120
_GstNvInferEval::iou_threshold
gfloat iou_threshold
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:103
_GstNvInferEval::kpi_precision
gfloat kpi_precision
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:106
_GstNvInferEval::sinkpad
GstPad * sinkpad
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:81
_GstNvInferEval::cumulative
gboolean cumulative
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:113
NvDsMetaType
NvDsMetaType
Specifies the type of metadata.
Definition:
includes/nvdsmeta.h:105
_GstNvInferEval::show_ap_table
gboolean show_ap_table
Definition:
sources/gst-plugins/gst-nvinfereval/gstnvinfereval.h:112
NvdsEvalEngine
struct NvdsEvalEngine NvdsEvalEngine
Opaque handle; defined as a C++ struct in nvds_eval_engine.cpp.
Definition:
sources/gst-plugins/gst-nvinfereval/nvds_eval_engine.h:62
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© 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
NVIDIA Confidential | Subject to Change | For test and development only.
Wed Oct 28 2026 12:02:04 | PR-09318-R32