deepstream_segvisual_bin.c

/*
 * SPDX-FileCopyrightText: Copyright (c) 2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: LicenseRef-NvidiaProprietary
 *
 * NVIDIA CORPORATION, its affiliates and licensors retain all intellectual
 * property and proprietary rights in and to this material, related
 * documentation and any modifications thereto. Any use, reproduction,
 * disclosure or distribution of this material and related documentation
 * without an express license agreement from NVIDIA CORPORATION or
 * its affiliates is strictly prohibited.
 */

#include "deepstream_common.h"
#include "deepstream_segvisual.h"

#define SEG_OUTPUT_WIDTH 1280
#define SEG_OUTPUT_HEIGHT 720

gboolean
create_segvisual_bin (NvDsSegVisualConfig * config, NvDsSegVisualBin * bin)
{
  gboolean ret = FALSE;

  bin->bin = gst_bin_new ("segvisual_bin");
  if (!bin->bin) {
    NVGSTDS_ERR_MSG_V ("Failed to create 'segvisual_bin'");
    goto done;
  }

  bin->nvvidconv = gst_element_factory_make (NVDS_ELEM_VIDEO_CONV, "segvisual_conv");
  if (!bin->nvvidconv) {
    NVGSTDS_ERR_MSG_V ("Failed to create 'segvisual_conv'");
    goto done;
  }

  bin->queue = gst_element_factory_make (NVDS_ELEM_QUEUE, "segvisual_queue");
  if (!bin->queue) {
    NVGSTDS_ERR_MSG_V ("Failed to create 'segvisual_queue'");
    goto done;
  }

  bin->conv_queue =
      gst_element_factory_make (NVDS_ELEM_QUEUE, "segvisual_conv_queue");
  if (!bin->conv_queue) {
    NVGSTDS_ERR_MSG_V ("Failed to create 'segvisual_conv_queue'");
    goto done;
  }

  bin->nvsegvisual = gst_element_factory_make (NVDS_ELEM_SEGVISUAL, "nvsegvisual0");
  if (!bin->nvsegvisual) {
    NVGSTDS_ERR_MSG_V ("Failed to create 'nvsegvisual0'");
    goto done;
  }

  gst_bin_add_many (GST_BIN (bin->bin), bin->queue,
      bin->nvvidconv, bin->conv_queue, bin->nvsegvisual, NULL);

  g_object_set (G_OBJECT (bin->nvvidconv), "gpu-id", config->gpu_id, NULL);

  g_object_set (G_OBJECT (bin->nvvidconv), "nvbuf-memory-type",
      config->nvbuf_memory_type, NULL);

    if(config->width != 0 && config->height != 0){
        g_object_set (G_OBJECT (bin->nvsegvisual), "width", config->width, "height",
                  config->height, NULL);
    } else {
        g_object_set (G_OBJECT (bin->nvsegvisual), "width", SEG_OUTPUT_WIDTH, "height",
                  SEG_OUTPUT_HEIGHT, NULL);
    }

  g_object_set (G_OBJECT (bin->nvsegvisual), "gpu-id", config->gpu_id, NULL);
  g_object_set (G_OBJECT (bin->nvsegvisual), "batch-size", config->max_batch_size, NULL);

  NVGSTDS_LINK_ELEMENT (bin->queue, bin->nvvidconv);

  NVGSTDS_LINK_ELEMENT (bin->nvvidconv, bin->conv_queue);

  NVGSTDS_LINK_ELEMENT (bin->conv_queue, bin->nvsegvisual);

  NVGSTDS_BIN_ADD_GHOST_PAD (bin->bin, bin->queue, "sink");

  NVGSTDS_BIN_ADD_GHOST_PAD (bin->bin, bin->nvsegvisual, "src");

  ret = TRUE;
done:
  if (!ret) {
    NVGSTDS_ERR_MSG_V ("%s failed", __func__);
  }
  return ret;
}