using System;using System.Collections.Generic;using System.Diagnostics;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;namespace WebFFmpeg{    public partial class _Default : System.Web.UI.Page    {        protected void Page_Load(object sender, EventArgs e)        {        }        protected void Button1_Click(object sender, EventArgs e)        {            string pathString = AppDomain.CurrentDomain.SetupInformation.ApplicationBase;            Process p = new Process();            p.StartInfo.FileName = pathString + "\\FFmpeg\\ffmpeg.exe";            p.StartInfo.Arguments = @"-y -r 1 -i " +                                    pathString + @"FFmpeg\pic\img%2d.jpg -i " +                                    pathString + @"FFmpeg\music\02.mp3 -s 800x800 -vcodec mpeg4" +                                    pathString + @"FFmpeg\vedio\out.mp4";            p.StartInfo.UseShellExecute = false;            p.StartInfo.RedirectStandardError = true;            p.StartInfo.Crea teNoWindow = true;            p.ErrorDataReceived += new DataReceivedEventHandler((s, message) => { Response.Write(message.Data); });//外部程序(这里是FFMPEG)输出流时候产生的事件,这里是把流的处理过程转移到下面的方法中,详细请查阅MSDN            p.Start();//启动线程            p.BeginErrorReadLine();//开始异步读取            p.WaitForExit();//阻塞等待进程结束            p.Close();//关闭进程            p.Dispose();//释放资源            Response.Write("<a href=http://www.mamicode.com/‘FFmpeg/vedio/out.mp4‘>下载");        }    }}