NVIDIA DeepStream SDK API Reference

5.0 Release

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nvds_latency_meta.h File Reference

Detailed Description

Copyright (c) 2019-2020, NVIDIA CORPORATION.

All rights reserved.

NVIDIA Corporation and its licensors retain all intellectual property and proprietary rights in and to this software, related documentation and any modifications thereto. Any use, reproduction, disclosure or distribution of this software and related documentation without an express license agreement from NVIDIA Corporation is strictly prohibited.

Latency API

Description: This file defines an API for measuring module latency.

Definition in file nvds_latency_meta.h.

Go to the source code of this file.

Data Structures

struct  _NvDsMetaCompLatency
 Holds information about latency of the given component. More...
struct  NvDsFrameLatencyInfo
 Holds information about the latency of a given frame. More...


#define MAX_COMPONENT_LEN   64
#define nvds_enable_latency_measurement   (nvds_get_enable_latency_measurement())
 Defines a pseudo-variable whose value is the return value of nvds_get_enable_latency_measurement(). More...


typedef struct _NvDsMetaCompLatency NvDsMetaCompLatency
 Holds information about latency of the given component. More...


NvDsUserMetanvds_set_input_system_timestamp (GstBuffer *buffer, gchar *element_name)
 Sets the system timestamp when the Gst Buffer arrives as input at the component. More...
gboolean nvds_set_output_system_timestamp (GstBuffer *buffer, gchar *element_name)
 Sets the system timestamp when a Gst Buffer that is pushed to the downstream component. More...
guint nvds_measure_buffer_latency (GstBuffer *buf, NvDsFrameLatencyInfo *latency_info)
 Measures the latency of all frames present in the current batch. More...
gboolean nvds_get_enable_latency_measurement (void)
 Indicates whether the environment variable NVDS_ENABLE_LATENCY_MEASUREMENT is exported. More...