sources/gst-plugins/gst-dsexample/dsexample_lib/dsexample_lib.h

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2017-2026 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 __DSEXAMPLE_LIB__
#define __DSEXAMPLE_LIB__
 
#define MAX_LABEL_SIZE 128
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct DsExampleCtx DsExampleCtx;
 
// Init parameters structure as input, required for instantiating dsexample_lib
typedef struct
{
  // Width at which frame/object will be scaled
  int processingWidth;
  // height at which frame/object will be scaled
  int processingHeight;
  // Flag to indicate whether operating on crops of full frame
  int fullFrame;
} DsExampleInitParams;
 
// Detected/Labelled object structure, stores bounding box info along with label
typedef struct
{
  float left;
  float top;
  float width;
  float height;
  char label[MAX_LABEL_SIZE];
} DsExampleObject;
 
// Output data returned after processing
typedef struct
{
  int numObjects;
  DsExampleObject object[4];
} DsExampleOutput;
 
// Initialize library context
DsExampleCtx * DsExampleCtxInit (DsExampleInitParams *init_params);
 
// Dequeue processed output
DsExampleOutput *DsExampleProcess (DsExampleCtx *ctx, unsigned char *data);
 
// Deinitialize library context
void DsExampleCtxDeinit (DsExampleCtx *ctx);
 
#ifdef __cplusplus
}
#endif
 
#endif