sources/gst-plugins/gst-dsexample/gstdsexample_optimized.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_DSEXAMPLE_H__
#define __GST_DSEXAMPLE_H__
 
#include <gst/base/gstbasetransform.h>
#include <gst/video/video.h>
 
/* Open CV headers */
#ifdef WITH_OPENCV
#include "opencv2/imgproc/imgproc.hpp"
#include "opencv2/highgui/highgui.hpp"
#endif
 
#include <cuda.h>
#include <cuda_runtime.h>
#include "nvbufsurface.h"
#include "nvbufsurftransform.h"
#include "gst-nvquery.h"
#include "gstnvdsmeta.h"
#include "dsexample_lib/dsexample_lib.h"
#include "nvtx3/nvToolsExt.h"
 
#include <condition_variable>
#include <mutex>
#include <thread>
#include <vector>
 
/* Package and library details required for plugin_init */
#define PACKAGE "dsexample"
#define VERSION "1.0"
#define LICENSE "Proprietary"
#define DESCRIPTION "NVIDIA example plugin for integration with DeepStream on DGPU/Jetson"
#define BINARY_PACKAGE "NVIDIA DeepStream 3rdparty IP integration example plugin"
#define URL "http://nvidia.com/"
 
 
G_BEGIN_DECLS
/* Standard boilerplate stuff */
typedef struct _GstDsExample GstDsExample;
typedef struct _GstDsExampleClass GstDsExampleClass;
 
/* Standard boilerplate stuff */
#define GST_TYPE_DSEXAMPLE (gst_dsexample_get_type())
#define GST_DSEXAMPLE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DSEXAMPLE,GstDsExample))
#define GST_DSEXAMPLE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DSEXAMPLE,GstDsExampleClass))
#define GST_DSEXAMPLE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_DSEXAMPLE, GstDsExampleClass))
#define GST_IS_DSEXAMPLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DSEXAMPLE))
#define GST_IS_DSEXAMPLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DSEXAMPLE))
#define GST_DSEXAMPLE_CAST(obj)  ((GstDsExample *)(obj))
 
#define NVDSEXAMPLE_MAX_BATCH_SIZE 1024
 
struct _GstDsExample
{
  GstBaseTransform base_trans;
 
  DsExampleCtx *dsexamplelib_ctx;
 
  GMutex process_lock;
 
  GQueue *process_queue;
 
  GCond process_cond;
 
  GQueue *buf_queue;
 
  GCond buf_cond;
 
  GThread *process_thread;
 
  gboolean stop;
 
  guint unique_id;
 
  guint64 frame_num;
 
  cudaStream_t cuda_stream;
 
  NvBufSurface batch_insurf;
 
  NvBufSurface *inter_buf;
 
  GstVideoInfo video_info;
 
  gint processing_width;
  gint processing_height;
 
  // Flag which defince igpu/dgpu
  guint is_integrated;
 
  guint max_batch_size;
 
  guint gpu_id;
 
  gboolean process_full_frame;
 
  gulong current_batch_num;
 
  GstFlowReturn last_flow_ret;
 
  NvBufSurfTransformConfigParams transform_config_params;
 
  NvBufSurfTransformParams transform_params;
 
  nvtxDomainHandle_t nvtx_domain;
};
 
typedef struct
{
  gdouble scale_ratio_x = 0.0;
  gdouble scale_ratio_y = 0.0;
  NvDsObjectMeta *obj_meta = nullptr;
  NvDsFrameMeta *frame_meta = nullptr;
  guint batch_index = 0;
  gulong frame_num = 0;
  NvBufSurfaceParams *input_surf_params = nullptr;
} GstDsExampleFrame;
 
typedef struct
{
  std::vector < GstDsExampleFrame > frames;
  GstBuffer *inbuf = nullptr;
  gulong inbuf_batch_num = 0;
  gboolean push_buffer = FALSE;
  gboolean event_marker = FALSE;
 
#ifdef WITH_OPENCV
 
  cv::Mat * cvmat;
#else
  NvBufSurface *inter_buf;
#endif
 
  nvtxRangeId_t nvtx_complete_buf_range = 0;
} GstDsExampleBatch;
 
struct _GstDsExampleClass
{
  GstBaseTransformClass parent_class;
};
 
GType gst_dsexample_get_type (void);
 
G_END_DECLS
#endif /* __GST_DSEXAMPLE_H__ */