deepstream_tiled_display_bin.c

/*
 * SPDX-FileCopyrightText: Copyright (c) 2018-2024 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_tiled_display.h"

gboolean
create_tiled_display_bin (NvDsTiledDisplayConfig * config,
    NvDsTiledDisplayBin * bin)
{
  gboolean ret = FALSE;

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

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

  if ((config->enable == 1) || (config->enable == 2))
    bin->tiler =
        gst_element_factory_make (NVDS_ELEM_TILER, "tiled_display_tiler");
  else if (config->enable == 3)
    bin->tiler =
        gst_element_factory_make ("identity", "tiled_display_identity");

  if (!bin->tiler) {
    NVGSTDS_ERR_MSG_V ("Failed to create 'tiled_display_tiler'");
    goto done;
  }

  if (config->width)
    g_object_set (G_OBJECT (bin->tiler), "width", config->width, NULL);

  if (config->height)
    g_object_set (G_OBJECT (bin->tiler), "height", config->height, NULL);

  if (config->rows)
    g_object_set (G_OBJECT (bin->tiler), "rows", config->rows, NULL);

  if (config->columns)
    g_object_set (G_OBJECT (bin->tiler), "columns", config->columns, NULL);

  if (config->buffer_pool_size)
    g_object_set (G_OBJECT (bin->tiler), "buffer-pool-size",
        config->buffer_pool_size, NULL);

  if (config->square_seq_grid)
    g_object_set (G_OBJECT (bin->tiler), "square-seq-grid", config->square_seq_grid, NULL);

#ifdef IS_TEGRA
  if (config->compute_hw)
    g_object_set (G_OBJECT (bin->tiler), "compute-hw", config->compute_hw,
        NULL);
#endif

  g_object_set (G_OBJECT (bin->tiler), "gpu-id", config->gpu_id,
      "nvbuf-memory-type", config->nvbuf_memory_type, NULL);

  gst_bin_add_many (GST_BIN (bin->bin), bin->queue, bin->tiler, NULL);

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

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

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

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