asp.net中将各种视频文件转换成.flv格式

作者佚名技术来源 NET编程浏览发布时间 2012-04-12

.Web.UI.Page
{
// 扩展名定义
string[] strArrFfmpeg = new string[] {"asf","avi","mpg","3gp","mov" };
string[] strArrMencoder = new string[] {"wmv","rm","rmvb" };
protected void Page_Load(object sender, EventArgs e)
{
}
//
protected void btnUpload_Click(object sender, EventArgs e)
{
string upFileName = "";
if (this.FileUpload1.HasFile)
{
string fileName = PublicMethod.GetFileName(this.FileUpload1.FileName);// GetFileName();
if ((string)Session["file"] == fileName)
{
return;
}
upFileName = Server.MapPath(PublicMethod.upFile + fileName);
this.FileUpload1.SaveAs(upFileName);
string saveName = DateTime.Now.ToString("yyyyMMddHHmmssffff") ;
string playFile = Server.MapPath(PublicMethod.playFile + saveName);
string imgFile = Server.MapPath(PublicMethod.imgFile + saveName);
//System.IO.File.Copy(Server.MapPath(PublicMethod.playFile + "00000002.jpg"), Server.MapPath(PublicMethod.imgFile+"aa.jpg"));
PublicMethod pm = new PublicMethod();
string m_strExtension = PublicMethod.GetExtension(this.FileUpload1.PostedFile.FileName).ToLower();
if (m_strExtension == "flv")
{//直接拷贝到播放文件夹下
System.IO.File.Copy(upFileName, playFile+".flv");
pm.CatchImg(upFileName, imgFile);
}
string Extension = CheckExtension(m_strExtension);
if (Extension == "ffmpeg")
{
　　pm.ChangeFilePhy(upFileName, playFile, imgFile);
}
else if (Extension == "mencoder")
{
pm.MChangeFilePhy(upFileName, playFile, imgFile);
}
InsertData(this.txtTitle.Text, fileName,saveName);
Session["file"] = fileName;
}
}
//
private string CheckExtension(string extension)
{
string m_strReturn = "";
foreach (string var in this.strArrFfmpeg)
{
if (var == extension)
{
m_strReturn = "ffmpeg"; break;
}
}
if (m_strReturn == "")
{
foreach (string var in strArrMencoder)
{
if (var == extension)
{
m_strReturn = "mencoder"; break;
}
}
}
return m_strReturn;
}
#region 插入数据到数据库中
private void InsertData(string MediaName,string fileName,string saveName)
{
//string name=fileName.Substring(0, fileName.LastIndexOf(''.''));
string imgName = saveName + ".jpg";//图片文件名;
string playName = saveName + ".flv";
string sqlstr = "insert into Media(FMediaName,FMediaUpPath,FMediaPlayPath,FMediaImgPath) values(@MName,@MUppath,@MPlaypath,@MImgpath)";
//string constr = ConfigurationManager.ConnectionStrings["sqlcon"].ToString();
SqlDataSource1.InsertCommand = sqlstr;
SqlDataSource1.InsertCommandType = SqlDataSourceCommandType.Text;// CommandType.Text;
SqlDataSource1.InsertParameters.Add("MName",MediaName);
SqlDataSource1.InsertParameters.Add("MUppath",PublicMethod.upFile+fileName);
SqlDataSource1.InsertParameters.Add("MPlaypath",PublicMethod.playFile+playName);
SqlDataSource1.InsertParameters.Add("MImgpath",PublicMethod.imgFile+imgNa

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