FFMpegCore/FFMpegCore/Extend/PcmAudioSampleWrapper.cs

using FFMpegCore.Pipes;
using System.IO;
using System.Threading;
using System.Threading.Tasks;

public class PcmAudioSampleWrapper : IAudioSample
{
    //This could actually be short or int, but copies would be inefficient.
    //Handling bytes lets the user decide on the conversion, and abstract the library
    //from handling shorts, unsigned shorts, integers, unsigned integers and floats.
    private readonly byte[] _sample;

    public PcmAudioSampleWrapper(byte[] sample)
    {
        _sample = sample;
    }

    public void Serialize(Stream stream)
    {
        stream.Write(_sample, 0, _sample.Length);
    }

    public async Task SerializeAsync(Stream stream, CancellationToken token)
    {
        await stream.WriteAsync(_sample, 0, _sample.Length, token);
    }
}