播放视频(c#)

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

/// <summary>
/// Summary description for playmedia
/// </summary>
public class playmedia
{
public playmedia()
{
//
// TODO: Add constructor logic here
//
}
    public string Play(string url,int width,int height)
   {
  string strTmp = url.ToLower();
  if(strTmp.EndsWith(".wmv")||strTmp.EndsWith(".mp3")||strTmp.EndsWith(".wma")||strTmp.EndsWith(".avi")||strTmp.EndsWith(".asf")||strTmp.EndsWith(".mpg"))
  {
  return wmv(url,width, height);
  }
  else if(strTmp.EndsWith(".mp3"))
  {
  return mp3(url,width,height);
  }
  else if(strTmp.EndsWith(".swf"))
  {
  return swf(url,width, height);
  }
  else if(strTmp.EndsWith(".jpg")||strTmp.EndsWith(".gif"))
  {
  return img(url,width, height);
  }
  else if(strTmp.EndsWith(".rm"))
  {
  return rm(url,width, height);
  }

  else
  {
  return "数据错误";
  }  
  }

/// <summary>
/// wmv格式文件播放
/// </summary>
/// <param name="url"></param>
/// <returns></returns>

private string wmv(string url, int width, int height)
{
  System.Text.StringBuilder sb = new System.Text.StringBuilder();  

  sb.Append("<object id=\"WMPlay\" style=\"WIDTH: "+width+"px;height:"+height+"px\" \n");
  sb.Append("classid=\"CLSID:6BF52A52-394A-11D3-B153-00C04F79FAA6\" type=application/x-oleobject standby=\"Loading Windows Media Player components...\"");
  sb.Append("codebase=\"downloads/mediaplayer9.0_cn.exe\" VIEWASTEXT>\n");
  sb.Append("<param name=\"URL\" value='"+url+"'>\n");
  sb.Append("<param name=\"controls\" value=\"ControlPanel,StatusBa\">");
  //<PARAM NAME="CONTROLS" VALUE="ControlPanel,StatusBar">
  sb.Append("<param name=\"hidden\" value=\"1\">");
  sb.Append("<param name=\"ShowControls\" VALUE=\"0\">");
  sb.Append("<param name=\"rate\" value=\"1\">\n");
  sb.Append("<param name=\"balance\" value=\"0\">\n");
  sb.Append("<param name=\"currentPosition\" value=\"-1\">\n");
  sb.Append("<param name=\"defaultFrame\" value=\"\">\n");
  sb.Append("<param name=\"playCount\" value=\"100\">\n");
  sb.Append("<param name=\"autoStart\" value=\"-1\">\n");
  sb.Append("<param name=\"currentMarker\" value=\"0\">\n");
  sb.Append("<param name=\"invokeURLs\" value=\"-1\">\n");
  sb.Append("<param name=\"baseURL\" value=\"\">\n");
  sb.Append("<param name=\"volume\" value=\"85\">\n");
  sb.Append("<param name=\"mute\" value=\"0\">\n");
  sb.Append("<param name=\"uiMode\" value=\"mini\">\n");
  sb.Append("<param name=\"stretchToFit\" value=\"0\">\n");
  sb.Append("<param name=\"windowlessVideo\" value=\"0\">\n");
  sb.Append("<param name=\"enabled\" value=\"-1\">\n");
  sb.Append("<param name=\"enableContextMenu\" value=\"false\">\n");
  sb.Append("<param name=\"fullScreen\" value=\"0\">\n");
  sb.Append("<param name=\"SAMIStyle\" value=\"\">\n");
  sb.Append("<param name=\"SAMILang\" value=\"\">\n");
  sb.Append("<param name=\"SAMIFilename\" value=\"\">\n");
  sb.Append("<param name=\"captioningID\" value=\"\">\n");
  sb.Append("</object><br/>\n");

  return sb.ToString();
}

private string wma(string url,int width, int height)
{
  System.Text.StringBuilder sb = new System.Text.StringBuilder();
 
  sb.Append("<object id=\"WMPlay\" classid=\"clsid:22D6F312-B0F6-11D0-94AB-0080C74C7E95\" style=\"Z-INDEX: 101; LEFT: 40px; WIDTH: 240px; POSITION: absolute; TOP: 32px; HEIGHT: 248px\" >");
  sb.Append("<param name=\"Filename\" value=\""+url+"\">");
  sb.Append("<param name=\"PlayCount\" value=\"1\">");
  sb.Append("<param name=\"AutoStart\" value=\"0\">");
  sb.Append("<param name=\"ClickToPlay\" value=\"1\">");
  //sb.Append("<param name=\"DisplaySize\" value=\"0\">");
  sb.Append("<param name=\"EnableFullScreen Controls\" value=\"1\">");
  sb.Append("<param name=\"ShowAudio Controls\" value=\"1\">");
  sb.Append("<param name=\"EnableContext Menu\" value=\"1\">");
  sb.Append("<param name=\"ShowDisplay\" value=\"1\">");
 
  sb.Append("</object>");

  return sb.ToString();

}
/// <summary>
/// avi格式文件播放
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
private string avi(string url,int width, int height)
{
  System.Text.StringBuilder sb = new System.Text.StringBuilder();
 
  sb.Append("<object id=\"WMPlay\" width=\"400\" height=\"200\" border=\"0\" classid=\"clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA\">");
  sb.Append("<param name=\"ShowDisplay\" value=\"0\">");
  sb.Append("<param name=\"ShowControls\" value=\"1\">");
  sb.Append("<param name=\"AutoStart\" value=\"1\">");
  sb.Append("<param name=\"AutoRewind\" value=\"0\">");
  sb.Append("<param name=\"PlayCount\" value=\"0\">");
  sb.Append("<param name=\"Appearance value=\"0 value=\"\"\">");
  sb.Append("<param name=\"BorderStyle value=\"0 value=\"\"\">");
  sb.Append("<param name=\"MovieWindowHeight\" value=\"240\">");
  sb.Append("<param name=\"MovieWindowWidth\" value=\"320\">");
  sb.Append("<param name=\"FileName\" value=\""+url+"\">");
  sb.Append("</object>");

  return sb.ToString();
}

private string rm(string url, int width, int height)
{
    System.Text.StringBuilder sb = new System.Text.StringBuilder();
    sb.Append("<OBJECT ID=\"WMPlay\" codebase=\"downloads/RealPlayer10-5GOLD_cn0302.exe\" CLASSID=\"clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA\" HEIGHT=" + height + " WIDTH=" + width + ">");
    sb.Append("<param name=\"SRC\" value=\"" + url + "\">");
    //sb.Append("<param name=\"_ExtentX\" value=\"9313\">");
    //sb.Append("<param name=\"_ExtentY\" value=\"7620\">");
    sb.Append("<param name=\"AUTOSTART\" value=\"0\">");
    sb.Append("<param name=\"SHUFFLE\" value=\"0\">");
    sb.Append("<param name=\"PREFETCH\" value=\"0\">");
    sb.Append("<param name=\"NOLABELS\" value=\"0\">");
    sb.Append("<param name=\"CONTROLS\" value=\"ImageWindow,ControlPanel,statusbar\">");
    sb.Append("<param name=\"CONSOLE\" value=\"Clip1\">");
    sb.Append("<param name=\"LOOP\" value=\"0\">");
    sb.Append("<param name=\"NUMLOOP\" value=\"0\">");
    sb.Append("<param name=\"CENTER\" value=\"0\">");
    sb.Append("<param name=\"MAINTAINASPECT\" value=\"0\">");
    sb.Append("<param name=\"BACKGROUNDCOLOR\" value=\"#000000\">");
    //sb.Append("<embed SRC type=\"audio/x-pn-realaudio-plugin\" CONSOLE=\"Clip1\" CONTROLS=\"ImageWindow\" HEIGHT=\"250\" WIDTH=\"354\" AUTOSTART=\"false\">");
    sb.Append("</OBJECT>");

    return sb.ToString();
}
}

在论坛上找到的类,比较好用


playmedia pcplay = new playmedia();
playMediaLabel.Text = pcplay.Play("xxx.wmv", 450, 360);

/* 程序控制媒体播放器，可控制宽度和高度
    输入参数：媒体文件，帧宽度，帧高度
    用法：Label_MediaPlayer.Text = PlayMedia(MediaFile, Width, Height)
  */

public string PlayMedia(string MediaFile , int FrameWidth,int FrameHeight)
{
    string Str;
    Str = "<object Id='nstv' codeBase='";
    Str += "http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab";
    Str += "#Version=5,1,52,701' type='application/x-oleobject' ";
    Str += "height='";
    Str += FrameHeight;
    Str += "' stanDby='Loading Microsoft Windows Media Player components...' ";
    Str += "Width='";
    Str += FrameWidth;
    Str += "' align='mIddle' ";
    Str += "cssclassId='CLSId:22d6f312-b0f6-11d0-94ab-0080c74c7e95' ";
    Str += "VIEWASTEXT>";
    Str += "<PARAM NAME='AudioStream' VALUE='-1'>";
    Str += "<PARAM NAME='AutoSize' VALUE='1'>";
    Str += "<PARAM NAME='AutoStart' VALUE='-1'>";
    Str += "<PARAM NAME='AnimationAtStart' VALUE='-1'>";
    Str += "<PARAM NAME='AllowScan' VALUE='-1'>";
    Str += "<PARAM NAME='AllowChangeDisplaySize' VALUE='1'>";
    Str += "<PARAM NAME='AutoRewind' VALUE='0'>";
    Str += "<PARAM NAME='Balance' VALUE='0'>";
    Str += "<PARAM NAME='BaseURL' VALUE=''>";
    Str += "<PARAM NAME='BufferingTime' VALUE='5'>";
    Str += "<PARAM NAME='CaptioningId' VALUE=''>";
    Str += "<PARAM NAME='ClickToPlay' VALUE='-1'>";
    Str += "<PARAM NAME='CursorType' VALUE='0'>";
    Str += "<PARAM NAME='CurrentPosition' VALUE='-1'>";
    Str += "<PARAM NAME='CurrentMarker' VALUE='0'>";
    Str += "<PARAM NAME='defaultFrame' VALUE=''>";
    Str += "<PARAM NAME='DisplayBackColor' VALUE='0'>";
    Str += "<PARAM NAME='DisplayForeColor' VALUE='16777215'>";
    Str += "<PARAM NAME='DisplayMode' VALUE='0'>";
    Str += "<PARAM NAME='DisplaySize' VALUE='0'>";
    Str += "<PARAM NAME='Enabled' VALUE='-1'>";
    Str += "<PARAM NAME='EnableContextMenu' VALUE='true'>";
    Str += "<PARAM NAME='EnablePositionControls' VALUE='-1'>";
    Str += "<PARAM NAME='EnableFullScreenControls' VALUE='1'>";
    Str += "<PARAM NAME='EnableTracker' VALUE='-1'>";
    Str += "<PARAM NAME='Filename' VALUE='";
    Str += MediaFile;
    Str += "'>";
    Str += "<PARAM NAME='InvokeURLs' VALUE='-1'>";
    Str += "<PARAM NAME='Language' VALUE='-1'>";
    Str += "<PARAM NAME='Mute' VALUE='0'>";
    Str += "<PARAM NAME='PlayCount' VALUE='1'>";
    Str += "<PARAM NAME='PreviewMode' VALUE='0'>";
    Str += "<PARAM NAME='Rate' VALUE='1'>";
    Str += "<PARAM NAME='SAMILang' VALUE=''>";
    Str += "<PARAM NAME='SAMIStyle' VALUE=''>";
    Str += "<PARAM NAME='SAMifileName' VALUE=''>";
    Str += "<PARAM NAME='SelectionStart' VALUE='-1'>";
    Str += "<PARAM NAME='Selection} //' VALUE='-1'>";
    Str += "<PARAM NAME='S} //OpenStateChangeEvents' VALUE='-1'>";
    Str += "<PARAM NAME='S} //WarningEvents' VALUE='-1'>";
    Str += "<PARAM NAME='S} //ErrorEvents' VALUE='-1'>";
    Str += "<PARAM NAME='S} //KeyboardEvents' VALUE='0'>";
    Str += "<PARAM NAME='S} //MouseClickEvents' VALUE='0'>";
    Str += "<PARAM NAME='S} //MouseMoveEvents' VALUE='0'>";
    Str += "<PARAM NAME='S} //PlayStateChangeEvents' VALUE='-1'>";
    Str += "<PARAM NAME='ShowCaptioning' VALUE='0'>";
    Str += "<PARAM NAME='ShowControls' VALUE='-1'>";
    Str += "<PARAM NAME='ShowAudioControls' VALUE='-1'>";
    Str += "<PARAM NAME='ShowDisplay' VALUE='0'>";
    Str += "<PARAM NAME='ShowGotoBar' VALUE='0'>";
    Str += "<PARAM NAME='ShowPositionControls' VALUE='-1'>";
    Str += "<PARAM NAME='ShowStatusBar' VALUE='-1'>";
    Str += "<PARAM NAME='ShowTracker' VALUE='-1'>";
    Str += "<PARAM NAME='TransparentAtStart' VALUE='0'>";
    Str += "<PARAM NAME='VIdeoBorderWidth' VALUE='0'>";
    Str += "<PARAM NAME='VIdeoBorderColor' VALUE='0'>";
    Str += "<PARAM NAME='VIdeoBorder3D' VALUE='0'>";
    Str += "<PARAM NAME='Volume' VALUE='-600'>";
    Str += "<PARAM NAME='WindowlessVIdeo' VALUE='0'>";
    Str += "</object>";
    return Str;
}