GetAecMetrics.cs

using System;
using System.Runtime.InteropServices;
using UnityEngine;

class GetAecMetrics
    : MonoBehaviour
{
    #if UNITY_IOS && !UNITY_EDITOR
        private const string ImportString = "__Internal";
        private const CallingConvention Convention = default(CallingConvention);
    #else
        private const string ImportString = "AudioPluginDissonance";
        private const CallingConvention Convention = CallingConvention.Cdecl;
    #endif

    [DllImport(ImportString, CallingConvention = Convention)]
    private static extern void Dissonance_GetAecMetrics(IntPtr floatBuffer, int bufferLength);
    
    private static void LogDetails()
    {
        var stats = new float[10];
        unsafe
        {
            fixed (float* statsPtr = &stats[0])
                Dissonance_GetAecMetrics(new IntPtr(statsPtr), stats.Length);

            Debug.Log(
                $"Delay Median (samples): {stats[0]}\n" + 
                $"Delay Deviation: {stats[1]}\n" +
                $"Fraction Poor Delays: {stats[2]}\n" + 
                $"Echo Return Loss: {stats[3]}\n" + 
                $"Echo Return Loss Enhancement: {stats[6]}\n" +
                $"Residual Echo Likelihood: {stats[9]}"
            );
        }
    }

    public void Update()
    {
        LogDetails();
    }
}