All Media to FLV asp.net在线视频自动转换并截图调试成功！
All Media to FLV asp.net在线视频自动转换并截图调试成功！
代码如下：
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.SessionState;
using System.Web.Security;
using System.IO;
using System.Collections;
using System.Collections.Generic;
using System.Xml;
using System.Diagnostics;
using System.Messaging;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
//using UploadControls;
/// <summary>
/// 上传文件事件;
/// </summary>
public class Upload : IHttpHandler, IRequiresSessionState
{
public bool ThumbnailCallback() { return false; }
public Upload()
{
}
#region IHttpHandler Members
public bool IsReusable
{
get { return true; }
}
public void ProcessRequest(HttpContext context)
{
if (context.Request.Files.Count > 0)
{
string filePath = "/Upload/Mv/" + DateTime.Now.ToString("yyyyMM") + "/";
DirectoryInfo info = new DirectoryInfo(context.Server.MapPath(filePath));
if (!info.Exists)
{
info.Create();
}
Random ro = new Random();
for (int j = 0; j < context.Request.Files.Count; j++)
{
HttpPostedFile uploadFile = context.Request.Files[j];
if (uploadFile.ContentLength > 0)
{
string stro = ro.Next(100, 100000000).ToString();//产生一个随机数用于新命名的图片
string NewName = DateTime.Now.Minute.ToString() + DateTime.Now.Second.ToString() + DateTime.Now.Millisecond.ToString() + stro;
string extension = Path.GetExtension(uploadFile.FileName);
string fileName = NewName + extension.ToString();
uploadFile.SaveAs(Path.Combine(context.Server.MapPath(filePath), fileName));
if (File.Exists(context.Request.Files[j].ToString()))
{
try
{
File.Delete(context.Request.Files[j].ToString());
}
catch
{
}
}
string str10 = filePath + fileName;
if (!MessageQueue.Exists(@".\private$\MvQueue"))
{
MessageQueue.Create(@".\private$\MvQueue", true);
}
MessageQueue queue = new MessageQueue(@".\private$\MvQueue");
Message message = new Message();
message.Body = context.Server.MapPath(str10);
message.Formatter = new XmlMessageFormatter(new Type[] { typeof(string) });
MessageQueueTransaction transaction = new MessageQueueTransaction();
transaction.Begin();
queue.Send(message, transaction);
transaction.Commit();
bool flag = false;
string str12 = "UcfarFlvConvert";
Process[] processes = Process.GetProcesses();
foreach (Process process in processes)
{
if (str12 == process.ProcessName)
{
flag = true;
break;
}
}
if (!flag)
{
Process process2 = new Process();
process2.StartInfo.WorkingDirectory = context.Server.MapPath("/FlvConvert/");
process2.StartInfo.FileName = "UcfarFlvConvert.exe";
process2.StartInfo.Arguments = string.Empty;
process2.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
process2.Start();
}
continue;
}
}
GC.Collect();
}
}
#endregion
}
转换进程守护代码：
using System;
using System.Diagnostics;
using System.IO;
using System.Messaging;
using System.Threading;
namespace UcfarFlvConvert
{
internal class Program
{
private static void ConvertToFlv()
{
MessageQueue queue = new MessageQueue(@".\private$\MvQueue");
queue.Formatter = new XmlMessageFormatter(new Type[] { typeof(string) });
while (true)
{
if (queue.Transactional)
{
MessageQueueTransaction transaction = new MessageQueueTransaction();
transaction.Begin();
string body = queue.Receive(transaction).Body as string;
transaction.Commit();
ToFlv(body);
}
}
}
private static void Main(string[] args)
{
Thread[] threadArray = new Thread[5];
for (int i = 0; i < 5; i++)
{
threadArray[i] = new Thread(new ThreadStart(Program.ConvertToFlv));
threadArray[i].IsBackground = true;
threadArray[i].Start();
}
Console.WriteLine("start.");
Console.ReadLine();
Console.WriteLine("stop");
for (int j = 0; j < 5; j++)
{
threadArray[j].Abort();
}
}
private static void runProcess(string inputFile, string imageFile, int imageWidth, int imageHeight)
{
if (imageFile != string.Empty)
{
using (Process process = new Process())
{
process.StartInfo.WorkingDirectory = Environment.CurrentDirectory;
process.StartInfo.FileName = "ffmpeg.exe";
process.StartInfo.Arguments = string.Format(string.Concat(new object[] { "-i \"{0}\" -y -f image2 -ss 1 -t 0.001 -s ", imageWidth, "*", imageHeight, " \"{1}\" " }), inputFile, imageFile);
process.StartInfo.UseShellExecute = true;
process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
process.Start();
}
}
}
private static void runProcess(int quality, string inputFile, string outputFile, string imageFile, int movieWidth, int imageWidth, int imageHeight)
{
using (Process process = new Process())
{
process.StartInfo.WorkingDirectory = Environment.CurrentDirectory;
process.StartInfo.FileName = "mencoder.exe";
process.StartInfo.Arguments = string.Format(string.Concat(new object[] { "-vf scale=", movieWidth, ":-3 -ffourcc FLV1 -of lavf -lavfopts i_certify_that_my_video_stream_does_not_use_b_frames -ovc lavc -lavcopts vcodec=flv:vbitrate=", quality, " -srate 22050 -oac mp3lame -lameopts mode=2:abr:br=56:vol=5 \"{0}\" -o \"{1}\"" }), inputFile, outputFile);
process.StartInfo.UseShellExecute = true;
process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
process.Start();
process.WaitForExit();
}
using (Process process2 = new Process())
{
process2.StartInfo.WorkingDirectory = Environment.CurrentDirectory;
process2.StartInfo.FileName = "flvmdi.exe";
process2.StartInfo.Arguments = string.Format("\"{0}\" /k", outputFile);
process2.StartInfo.UseShellExecute = true;
process2.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
process2.Start();
}
if (imageFile != string.Empty)
{
using (Process process3 = new Process())
{
process3.StartInfo.WorkingDirectory = Environment.CurrentDirectory;
process3.StartInfo.FileName = "ffmpeg.exe";
process3.StartInfo.Arguments = string.Format(string.Concat(new object[] { "-i \"{0}\" -y -f image2 -ss 1 -t 0.001 -s ", imageWidth, "*", imageHeight, " \"{1}\" " }), outputFile, imageFile);
process3.StartInfo.UseShellExecute = true;
process3.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
process3.Start();
}
}
}
private static void ToFlv(string fileName)
{
int quality = 700;
string path = fileName;
string outputFile = fileName.Substring(0, fileName.LastIndexOf('.')) + ".flv";
string imageFile = fileName.Substring(0, fileName.LastIndexOf('.')) + ".jpg";
int movieWidth = 0x177;
int imageWidth = 300;
int imageHeight = 200;
if (Path.GetExtension(path) == ".flv")
{
runProcess(path, imageFile, imageWidth, imageHeight);
}
else
{
runProcess(quality, path, outputFile, imageFile, movieWidth, imageWidth, imageHeight);
}
try
{
File.Delete(fileName);
}
catch
{
}
}
}
}