Dynamically generating a list of videos for OSFLV Player with ASP.NET

April 13, 2010
James Skemp
tutorials / guides

I've had this code for a while, but here's some simple code to pull a listing of Flash videos (FLV) from a directory, display them in a drop down, and have a video player dynamically generated based on what's picked.

This uses OSFLV Player, version 3 specifically, but can be tweaked for the current (as of this post) version 4.0.

Default.aspx

<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns=“http://www.w3.org/1999/xhtml">
<head runat=“server”>
<title>FLV video player</title>
</head>
<body>
<form id=“form1” runat=“server”>
<div>
<a href=“Default.aspx”>Refresh listing</a><br/>
<asp:DropDownList ID=“DropDownList1” runat=“server”>
</asp:DropDownList>
<asp:Button ID=“Button1” runat=“server” Text=“View” onclick=“Button1_Click” />
</div>
<div id=“videoPlayer” runat=“server”></div>
</form>
</body>
</html>

Default.aspx.cs

using System;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.IO;
public partial class _Default : System.Web.UI.Page {
int videoWidth = 1000; // = 200/170 ratio
int videoHeight = 680; // 400x340 = default

string playerLocation = "osflv_player_v3/player.swf";

protected void Page_Load(object sender, EventArgs e) {

	if (!IsPostBack) {
		DirectoryInfo directory = new DirectoryInfo(Server.MapPath("/videos"));

		FileInfo[] files = directory.GetFiles();

		foreach (FileInfo file in files) {
			if (file.Extension == ".flv") {
				DropDownList1.Items.Add(file.Name.Remove(file.Name.Length - 4));
			}
		}
	}

}
protected void Button1_Click(object sender, EventArgs e) {
	string video = "/videos/" + DropDownList1.SelectedItem.Text + ".flv";

	videoPlayer.InnerHtml = "&lt;object width='" + videoWidth.ToString() + "' height='" + videoHeight.ToString() + "' id='flvPlayer2'&gt;";
	videoPlayer.InnerHtml += "&lt;param name='allowFullScreen' value='true'&gt;";
	videoPlayer.InnerHtml += "&lt;param name='movie' value='" + playerLocation + "?movie=" + video + "&amp;fgcolor=0x0b7ba4&amp;bgcolor=0x333333&amp;autoload=on&amp;autorewind=on&amp;autoplay=on&amp;volume=5'&gt;";
	videoPlayer.InnerHtml += "";
	videoPlayer.InnerHtml += "&lt;embed src='" + playerLocation + "?movie=" + video + "&amp;fgcolor=0x0b7ba4&amp;bgcolor=0x333333&amp;autoload=on&amp;autorewind=on&amp;autoplay=on&amp;volume=5' width='" + videoWidth.ToString() + "' height='" + videoHeight.ToString() + "' allowFullScreen='true' type='application/x-shockwave-flash'&gt;";
	videoPlayer.InnerHtml += "&lt;/object&gt;";
	videoPlayer.InnerHtml += "&lt;br/&gt;&lt;span style='color:#ccc;'&gt;" + video + "&lt;/span&gt;";
}

}

A default Web.config file can be created and used, and a videos directory is checked for the listing of videos.

For ease, I recommend using Cassini to run the Web site on your own computer (creating a batch file similar to what is noted there).

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