BasicFileStreamingCapture (3).cs

using System;
using System.Collections.Generic;
using NAudio.Wave;
using UnityEngine;

namespace Dissonance.Audio.Capture
{
    public class BasicFileStreamingCapture
        : MonoBehaviour, IMicrophoneCapture
    {
        public bool IsRecording { get; private set; }

        public TimeSpan Latency { get; private set; }

        private readonly List<IMicrophoneSubscriber> _subscribers = new List<IMicrophoneSubscriber>();

        private WaveFormat _format = new WaveFormat(48000, 1);
        private readonly float[] _silence = new float[960];
        private float _elapsedTime;

        public WaveFormat StartCapture(string name)
        {
            IsRecording = true;
            Latency = TimeSpan.FromMilliseconds(0);
            return _format;
        }

        public void StopCapture()
        {
            IsRecording = false;
        }

        public void Subscribe(IMicrophoneSubscriber listener)
        {
            _subscribers.Add(listener);
        }

        public bool Unsubscribe(IMicrophoneSubscriber listener)
        {
            return _subscribers.Remove(listener);
        }

        public bool UpdateSubscribers()
        {
            _elapsedTime += Time.unscaledDeltaTime;

            while (_elapsedTime > 0.02f)
            {
                _elapsedTime -= 0.02f;
                foreach (var subscriber in _subscribers)
                {
                    subscriber.ReceiveMicrophoneData(new ArraySegment<float>(_silence), _format);
                }
            }

            return false;
        }
    }
}