使用.NET将WAV转换为WMA

using System;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Threading.Tasks;

namespace WavToWmaConverter
{
    class Program
    {
        static async Task Main(string[] args)
        {
            string inputFile = "input.wav";
            string outputFile = "output.wma";

            using var inputStream = new FileStream(inputFile, FileMode.Open, FileAccess.Read);
            using var outputStream = new FileStream(outputFile, FileMode.Create, FileAccess.Write);

            await ConvertWavToWma(inputStream, outputStream);
        }

        private static async Task ConvertWavToWma(Stream inputStream, Stream outputStream)
        {
            var sourceReader = new MediaFoundationReader(inputStream);
            var sinkWriter = new WindowsMediaAudioSinkWriter(outputStream);

            var sourceReaderOutput = sourceReader.Outputs.FirstOrDefault();
            var sinkWriterInput = sinkWriter.Inputs.FirstOrDefault();

            sourceReader.Position = TimeSpan.Zero;

            var buffer = new byte[sourceReader.WaveFormat.BytesPerSecond * 2];
            int bytesRead;

            while ((bytesRead = await sourceReader.ReadAsync(buffer, 0, buffer.Length)) > 0)
            {
                await sinkWriter.WriteAsync(buffer, 0, bytesRead);
            }

            sourceReader.Dispose();
            sinkWriter.Dispose();
        }
    }
}