using System; using System.Collections.Generic; using System.Diagnostics; using System.Linq; using System.Text; using System.Text.RegularExpressions; using System.Threading; namespace EYO.Common { /// <summary> /// 声音帮助类 /// </summary> public sealed class AudioHelper { private const string FfmpegUsername = "ffmpeg"; private const string FfmpegPassword = "it4pl803"; /// <summary> /// 音频转换 /// </summary> /// <param>ffmpeg文件目录</param> /// <param>源文件</param> /// <param>目标文件</param> /// <returns></returns> public static string ConvertToMp3(string ffmpegPath, string soruceFilename, string targetFileName) { //string cmd = ffmpegPath + @"\ffmpeg.exe -i " + soruceFilename + " " + targetFileName; string cmd = ffmpegPath + @"\ffmpeg.exe -i " + soruceFilename + " -ar 44100 -ab 128k " + targetFileName; return ConvertWithCmd(cmd); } private static string ConvertWithCmd(string cmd) { try { System.Diagnostics.Process process = new System.Diagnostics.Process(); process.StartInfo.FileName = "cmd.exe"; process.StartInfo.UseShellExecute = false; process.StartInfo.CreateNoWindow = true; process.StartInfo.RedirectStandardInput = true; process.StartInfo.RedirectStandardOutput = true; process.StartInfo.RedirectStandardError = true; process.Start(); process.StandardInput.WriteLine(cmd); process.StandardInput.AutoFlush = true; Thread.Sleep(1000); process.StandardInput.WriteLine("exit"); process.WaitForExit(); string outStr = process.StandardOutput.ReadToEnd(); process.Close(); return outStr; } catch (Exception ex) { return "error" + ex.Message; } } } }
文中标记红色的需要以下一个类库 放在文中最后链接里面 到时候直接放到项目里面即可（我也是找到）
总结
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