using Microsoft.Win32;
using NAudio.MediaFoundation;
using NAudio.Wave;
using System.Windows;namespace NAudioDemo
{/// <summary>/// MainWindow.xaml 的交互逻辑/// </summary>public partial class MainWindow : Window{public MainWindow(){InitializeComponent();}private void Button_Click(object sender, RoutedEventArgs e){OpenFileDialog openFileDialog = new OpenFileDialog();openFileDialog.Filter = "WAV Files (*.wav)|*.wav|All Files (*.*)|*.*";openFileDialog.FilterIndex = 1;if (openFileDialog.ShowDialog() == true){var inputFileName = openFileDialog.FileName;var outputFileName = inputFileName.Substring(0, inputFileName.Length - 3) + "mp3";var mediaType = MediaFoundationEncoder.SelectMediaType(AudioSubtypes.MFAudioFormat_MP3,new WaveFormat(44100, 1),0);using (var reader = new MediaFoundationReader(inputFileName)){using (var encoder = new MediaFoundationEncoder(mediaType)){encoder.Encode(outputFileName, reader);}}}MessageBox.Show("操作成功");}}
}

        private void Button_Click(object sender, RoutedEventArgs e){OpenFileDialog openFileDialog = new OpenFileDialog();openFileDialog.Filter = "WAV Files (*.wav)|*.wav|All Files (*.*)|*.*";openFileDialog.FilterIndex = 1;if (openFileDialog.ShowDialog() == true){var inputFileName = openFileDialog.FileName;var outputFileName = inputFileName.Substring(0, inputFileName.Length - 3) + "wma";var mediaType = MediaFoundationEncoder.SelectMediaType(AudioSubtypes.MFAudioFormat_WMAudioV8,new WaveFormat(16000, 1),16000);using (var reader = new MediaFoundationReader(inputFileName)){using (var encoder = new MediaFoundationEncoder(mediaType)){encoder.Encode(outputFileName, reader);}}}MessageBox.Show("操作成功");}