nvds_latency_meta.h

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2019-2020 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.
 */
 
#ifndef _NVDSMETA_LATENCY_H_
#define _NVDSMETA_LATENCY_H_
 
#include "glib.h"
#include "gmodule.h"
#include "nvdsmeta.h"
 
#define MAX_COMPONENT_LEN 64
 
#ifdef __cplusplus
extern "C"
{
#endif
 
typedef struct _NvDsMetaSubCompLatency {
  gchar sub_comp_name[MAX_COMPONENT_LEN];
  gdouble in_system_timestamp;
  gdouble out_system_timestamp;
} NvDsMetaSubCompLatency;
 
typedef struct _NvDsMetaCompLatency {
  gchar component_name[MAX_COMPONENT_LEN];
  gdouble in_system_timestamp;
  gdouble out_system_timestamp;
  guint source_id;
  guint frame_num;
  guint pad_index;
  NvDsMetaSubCompLatency sub_comp_latencies[16];
  guint num_sub_comps;
}NvDsMetaCompLatency;
 
typedef struct
{
  guint source_id;
  guint frame_num;
  gdouble comp_in_timestamp;
  gdouble latency;
} NvDsFrameLatencyInfo;
 
NvDsUserMeta *nvds_set_input_system_timestamp(GstBuffer * buffer,
    gchar *element_name);
 
gboolean nvds_set_output_system_timestamp(GstBuffer * buffer, gchar *element_name);
 
guint nvds_measure_buffer_latency(GstBuffer *buf,
    NvDsFrameLatencyInfo *latency_info);
 
gboolean nvds_get_enable_latency_measurement(void);
 
void nvds_add_reference_timestamp_meta(GstBuffer * buffer,
    gchar *element_name, guint frame_id);
 
#define nvds_enable_latency_measurement (nvds_get_enable_latency_measurement())
 
#ifdef __cplusplus
}
#endif
#endif