ni_lat_meas.h

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/*!*****************************************************************************
 *  \file   ni_lat_meas.h
 *
 *  \brief  Utility definitions for measuring frame/packet processing time in
 *          NETINT video processing devices
 ******************************************************************************/
 
#pragma once
 
#include <stdint.h>
 
typedef struct _ni_lat_meas_q_entry_t
{
    uint64_t abs_timenano;
    int64_t ts_time;
} ni_lat_meas_q_entry_t;
 
typedef struct _ni_lat_meas_q_t
{
    int front, rear, size, capacity;
    uint64_t last_benchmark_time;
    ni_lat_meas_q_entry_t *array;
} ni_lat_meas_q_t;
 
// NI latency measurement queue operations
ni_lat_meas_q_t *ni_lat_meas_q_create(int capacity);
 
void ni_lat_meas_q_destroy(ni_lat_meas_q_t *frame_time_q);
 
void *ni_lat_meas_q_add_entry(ni_lat_meas_q_t *frame_time_q, uint64_t abs_time,
                              int64_t ts_time);
 
uint64_t ni_lat_meas_q_check_latency(ni_lat_meas_q_t *frame_time_q,
                                     uint64_t abs_time, int64_t ts_time);