sources/gst-plugins/gst-nvdsanalytics/gstnvdsanalytics.h

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2020-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef __GST_NVDSANALYTICS_H__
#define __GST_NVDSANALYTICS_H__
 
#include <gst/base/gstbasetransform.h>
#include <gst/video/video.h>
#include <iostream>
#include <vector>
#include <unordered_map>
#include "nvbufsurface.h"
#include "gst-nvquery.h"
#include "gstnvdsmeta.h"
#include "nvds_analytics.h"
#include "nvds_analytics_meta.h"
 
/* Package and library details required for plugin_init */
#define PACKAGE "nvdsanalytics"
#define VERSION "1.0"
#define LICENSE "Proprietary"
#define DESCRIPTION "NVIDIA dsanalytics plugin for integration with DeepStream on DGPU/Jetson"
#define BINARY_PACKAGE "NVIDIA DeepStream dsanalytics plugin"
#define URL "http://nvidia.com/"
 
 
G_BEGIN_DECLS
/* Standard boilerplate stuff */
typedef struct _GstNvDsAnalytics GstNvDsAnalytics;
typedef struct _GstNvDsAnalyticsClass GstNvDsAnalyticsClass;
 
/* Standard boilerplate stuff */
#define GST_TYPE_DSANALYTICS (gst_nvdsanalytics_get_type())
#define GST_NVDSANALYTICS(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DSANALYTICS,GstNvDsAnalytics))
#define GST_NVDSANALYTICS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DSANALYTICS,GstNvDsAnalyticsClass))
#define GST_NVDSANALYTICS_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_DSANALYTICS, GstNvDsAnalyticsClass))
#define GST_IS_NVDSANALYTICS(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DSANALYTICS))
#define GST_IS_NVDSANALYTICS_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DSANALYTICS))
#define GST_NVDSANALYTICS_CAST(obj)  ((GstNvDsAnalytics *)(obj))
 
struct _GstNvDsAnalytics
{
  GstBaseTransform base_trans;
 
  // Context of the custom algorithm library
  //DsExampleCtx *nvdsanalyticslib_ctx;
 
  // Unique ID of the element. The labels generated by the element will be
  // updated at index `unique_id` of attr_info array in NvDsObjectParams.
  guint unique_id;
 
  // Frame number of the current input buffer
  guint64 batch_num;
 
  // Input video info (resolution, color format, framerate, etc)
  GstVideoInfo video_info;
 
  // Resolution at which analytics algorithms were configured
  gint configuration_width;
  gint configuration_height;
 
  // Amount of objects processed in single call to algorithm
  guint batch_size;
 
  // Config file path for dsanalytics
  gchar *config_file_path;
 
  // Config file parsing status for dsanalytics
  gboolean config_file_parse_successful;
 
  std::unordered_map<gint, StreamInfo> *stream_analytics_info;
 
  std::unordered_map<gint, NvDsAnalyticCtxUptr> *stream_analytics_ctx;
 
  GMutex analytic_mutex;
 
  gboolean enable;
 
  gboolean reload_config;
 
  //Size of osd font
  guint font_size;
 
  //Type of osd modes, full /partial/completely off
  guint osd_mode;
 
  //Window in ms for obj count
  guint obj_cnt_win_in_ms;
 
  gboolean display_obj_cnt;
};
 
// Boiler plate stuff
struct _GstNvDsAnalyticsClass
{
  GstBaseTransformClass parent_class;
};
 
GType gst_nvdsanalytics_get_type (void);
 
G_END_DECLS
#endif /* __GST_NVDSANALYTICS_H__ */