C# MediaHelper

using System.Text;

public class MediaHelper
{
    private static MediaHelper media = null;

    private MediaHelper()
    {
    }

    public static MediaHelper Current
    {
        get
        {
            if (media == null)
                media = new MediaHelper();

            return media;
        }
    }

    public string FLV(string url, string flvPlayerpath, string width, string height)
    {
        StringBuilder sb = new StringBuilder();
        sb.Append("<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"");
        sb.Append(" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0"");
        sb.Append(" width="" + width + """);
        sb.Append(" height="" + height + "">");
        sb.Append("
	<param name="movie" value="" + flvPlayerpath + "" />");
        sb.Append("
	<param name="quality" value="high" />");
        sb.Append("
	<param name="allowFullScreen" value="true" />");
        sb.Append("
	<param name="FlashVars" value="vcastr_file=" + url + "" />");
        sb.Append("
	<embed src="" + flvPlayerpath + "" allowfullscreen="true" flashvars="vcastr_file=" + url + """);
        sb.Append(" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="" + width + "" height="" + height + ""></embed>");
        sb.Append("</object>");
        return sb.ToString();
    }

    public string Play(string url, string width, string height)
    {
        string strTmp = url.ToLower();
        if (strTmp.EndsWith(".wmv") || strTmp.EndsWith(".asf") || strTmp.EndsWith(".avi"))
        {
            return wmv(url, width, height);
        }
        else if (strTmp.EndsWith(".wma"))
        {
            return wma(url, width, height);
        }
        else if (strTmp.EndsWith(".avi"))
        {
            return avi(url, width, height);
        }
        else if (strTmp.EndsWith(".mpg"))
        {
            return mpg(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>
    ///   avi格式文件播放
    ///   </summary>
    ///   <param   name="url"></param>
    ///   <returns></returns>
    private string avi(string url, string width, string 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 img(string url, string width, string height)
    {
        System.Text.StringBuilder sb = new System.Text.StringBuilder();

        sb.Append("<img   src="" + url + ""   height="" + height + ""   width="" + width + ""   border="0">");
        return sb.ToString();
    }

    /// <summary>
    /// 播放mp3
    /// </summary>
    /// <param name="url"></param>
    /// <param name="width"></param>
    /// <param name="height"></param>
    /// <returns></returns>
    private string mp3(string url, string width, string height)
    {
        System.Text.StringBuilder sb = new System.Text.StringBuilder();
        sb.Append("<object   classid="WMPlay"   codebase="http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=6,4,5,715"   type="application/x-oleobject"   width="   +   width   +   "   height="   +   height   +   "   hspace="0"   standby="Loading   Microsoft   Windows   Media   Player   components..."   id="NSPlay">");

        sb.Append("<param   name="AutoRewind"   value="0">");
        sb.Append("<param   name="FileName"   value="   +   url   +   ">");
        sb.Append("<param   name="ShowControls"   value="1">");
        sb.Append("<param   name="ShowPositionControls"   value="0">");
        sb.Append("<param   name="ShowAudioControls"   value="1">");
        sb.Append("<param   name="ShowTracker"   value="0">");
        sb.Append("<param   name="ShowDisplay"   value="0">");
        sb.Append("<param   name="ShowStatusBar"   value="1">");
        sb.Append("<param   name="ShowGotoBar"   value="0">");
        sb.Append("<param   name="ShowCaptioning"   value="0">");
        sb.Append("<param   name="AutoStart"   value="1">");
        sb.Append("<param   name="Volume"   value="-2500">");
        sb.Append("<param   name="AnimationAtStart"   value="0">");
        sb.Append("<param   name="TransparentAtStart"   value="0">");
        sb.Append("<param   name="AllowChangeDisplaySize"   value="0">");
        sb.Append("<param   name="AllowScan"   value="0">");
        sb.Append("<param   name="EnableContextMenu"   value="0">");
        sb.Append("<param   name="ClickToPlay"   value="0">");

        sb.Append("</object>");
        return sb.ToString();
    }

    /// <summary>
    /// 播放mpg格式的文件
    /// </summary>
    /// <param name="url"></param>
    /// <param name="width"></param>
    /// <param name="height"></param>
    /// <returns></returns>
    private string mpg(string url, string width, string height)
    {
        System.Text.StringBuilder sb = new System.Text.StringBuilder();

        sb.Append("<object   classid="clsid:05589FA1-C356-11CE-BF01-00AA0055595A"   id="WMPlay"   width="239"   height="250">");
        sb.Append("<param   name="Filename"   value="" + url + ""   valuetype="ref">");
        sb.Append("<param   name="Appearance"   value="0">");
        sb.Append("<param   name="AutoStart"   value="-1">");
        sb.Append("<param   name="AllowChangeDisplayMode"   value="-1">");
        sb.Append("<param   name="AllowHideDisplay"   value="0">");
        sb.Append("<param   name="AllowHideControls"   value="-1">");
        sb.Append("<param   name="AutoRewind"   value="-1">");
        sb.Append("<param   name="Balance"   value="0">");
        sb.Append("<param   name="CurrentPosition"   value="0">");
        sb.Append("<param   name="DisplayBackColor"   value="0">");
        sb.Append("<param   name="DisplayForeColor"   value="16777215">");
        sb.Append("<param   name="DisplayMode"   value="0">");
        sb.Append("<param   name="Enabled"   value="-1">");
        sb.Append("<param   name="EnableContextMenu"   value="-1">");
        sb.Append("<param   name="EnablePositionControls"   value="-1">");
        sb.Append("<param   name="EnableSelectionControls"   value="0">");
        sb.Append("<param   name="EnableTracker"   value="-1">");

        sb.Append("<param   name="FullScreenMode"   value="0">");
        sb.Append("<param   name="MovieWindowSize"   value="0">");
        sb.Append("<param   name="PlayCount"   value="1">");
        sb.Append("<param   name="Rate"   value="1">");
        sb.Append("<param   name="SelectionStart"   value="-1">");
        sb.Append("<param   name="SelectionEnd"   value="-1">");
        sb.Append("<param   name="ShowControls"   value="-1">");
        sb.Append("<param   name="ShowDisplay"   value="-1">");
        sb.Append("<param   name="ShowPositionControls"   value="0">");
        sb.Append("<param   name="ShowTracker"   value="-1">");
        sb.Append("<param   name="Volume"   value="-480">");
        sb.Append("</object>");

        return sb.ToString();
    }

    /// <summary>
    /// 播放rm格式的文件
    /// </summary>
    /// <param name="url"></param>
    /// <param name="width"></param>
    /// <param name="height"></param>
    /// <returns></returns>
    private string rm(string url, string width, string 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();
    }

    /// <summary>
    /// 播放swf格式的文件
    /// </summary>
    /// <param name="url"></param>
    /// <param name="width"></param>
    /// <param name="height"></param>
    /// <returns></returns>
    private string swf(string url, string width, string height)
    {
        System.Text.StringBuilder sb = new System.Text.StringBuilder();

        if (width == "")
            width = "100%";
        if (height == "")
            height = "300";

        sb.Append("<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" width="" + width + "" height="" + height + "" id="movie_name" align="middle">");
        sb.Append("    <param name="movie" value="" + url + ""/>");
        sb.Append("    <!--[if !IE]>-->");
        sb.Append("    <object type="application/x-shockwave-flash" data="" + url + ""  width="" + width + "" height="" + height + "">");
        sb.Append("       <param name="movie" value="movie_name.swf"/>");
        sb.Append("        <!--<![endif]-->");
        sb.Append("        <a href="http://www.adobe.com/go/getflash">");
        sb.Append("            <img src="http://www.adobe.com/images/shared/download_buttons/get_flash_player.gif" alt="Get Adobe Flash player"/>");
        sb.Append("        </a>");
        sb.Append("        <!--[if !IE]>-->");
        sb.Append("    </object>");
        sb.Append("    <!--<![endif]-->");
        sb.Append("</object>");
        return sb.ToString();
    }

    /// <summary>
    /// 播放wma格式文件
    /// </summary>
    /// <param name="url">文件地址</param>
    /// <param name="width">宽度</param>
    /// <param name="height">高度</param>
    /// <returns></returns>
    private string wma(string url, string width, string 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>
    ///   wmv格式文件播放
    ///   </summary>
    ///   <param   name="url"></param>
    ///   <returns></returns>
    private string wmv(string url, string width, string height)
    {
        System.Text.StringBuilder sb = new System.Text.StringBuilder();

        sb.Append("<object   id="WMPlay"   style="WIDTH:   " + width + "px;height:" + height + "px"   
");
        sb.Append("classid="CLSID:6BF52A52-394A-11D3-B153-00C04F79FAA6"   type=application/x-oleobject   standby="Loading   Windows   Media   Player   components..."");
        sb.Append("codebase="downloads/mediaplayer10.0_cn.exe"   VIEWASTEXT>
");
        sb.Append("<param   name="URL"   value='" + url + "'>
");
        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">
");
        sb.Append("<param   name="balance"   value="0">
");
        sb.Append("<param   name="currentPosition"   value="-1">
");
        sb.Append("<param   name="defaultFrame"   value="">
");
        sb.Append("<param   name="playCount"   value="100">
");
        sb.Append("<param   name="autoStart"   value="-1">
");
        sb.Append("<param   name="currentMarker"   value="0">
");
        sb.Append("<param   name="invokeURLs"   value="-1">
");
        sb.Append("<param   name="baseURL"   value="">
");
        sb.Append("<param   name="volume"   value="85">
");
        sb.Append("<param   name="mute"   value="0">
");
        sb.Append("<param   name="uiMode"   value="mini">
");
        sb.Append("<param   name="stretchToFit"   value="0">
");
        sb.Append("<param   name="windowlessVideo"   value="0">
");
        sb.Append("<param   name="enabled"   value="-1">
");
        sb.Append("<param   name="enableContextMenu"   value="false">
");
        sb.Append("<param   name="fullScreen"   value="0">
");
        sb.Append("<param   name="SAMIStyle"   value="">
");
        sb.Append("<param   name="SAMILang"   value="">
");
        sb.Append("<param   name="SAMIFilename"   value="">
");
        sb.Append("<param   name="captioningID"   value="">
");

        sb.Append("</object><br>
");

        return sb.ToString();
    }
}