C# - Der Fernsehkritik-TV Downloader

using System;
using System.Collections.Generic;
using System.Net;
using System.IO;
using System.Text.RegularExpressions;
using System.Diagnostics;
using System.Windows.Forms;
using System.Threading;
using System.Threading.Tasks;
 
namespace ConsoleApplication1
{
    class Program
    {
        struct DownloadInfo
        {
            public string filename;
            public string temp;
            public string url;
        }
 
        static void Main(string[] args)
        {
            Console.WriteLine("Fernsehkritik-TV Downloader");
            Console.WriteLine("(C) 2011 - KN4CK3R");
 
			HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://fernsehkritik.tv/tv-magazin/");
			request.Proxy = null;
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
 
            int maxEpisode = -1;
            using (StreamReader sr = new StreamReader(response.GetResponseStream()))
            {
                string raw = sr.ReadToEnd();
				raw = raw.Substring(raw.IndexOf(">Folge ") + ">Folge ".Length);
                raw = raw.Substring(0, raw.IndexOf(' '));
                maxEpisode = int.Parse(raw);
            }
 
            Console.Write("Folge auswählen (aktuell: " + maxEpisode + "): ");
            int downloadEpisode = -1;
            if (!int.TryParse(Console.ReadLine(), out downloadEpisode))
            {
                return;
            }
 
            if (downloadEpisode < 1 || downloadEpisode > maxEpisode)
            {
                return;
            }
 
            request = (HttpWebRequest)WebRequest.Create("http://fernsehkritik.tv/folge-" + downloadEpisode + "/play/");
			request.Proxy = null;
            response = (HttpWebResponse)request.GetResponse();
 
            List<DownloadInfo> fileList = new List<DownloadInfo>();
            using (StreamReader sr = new StreamReader(response.GetResponseStream()))
            {
                string raw = sr.ReadToEnd();
                raw = raw.Substring(raw.IndexOf("type=\"video/mp4\" src=\"") + "type=\"video/mp4\" src=\"".Length);
                string baseUrl = raw.Substring(0, raw.IndexOf('"'));
 
                DownloadInfo info = new DownloadInfo();
                info.filename = "FernsehKritik-TV_E" + downloadEpisode + ".mp4";
                info.url = baseUrl;
                info.temp = Application.StartupPath + @"\" + info.filename;
                DownloadFile(info);
            }
 
            Console.WriteLine();
            Console.WriteLine("Vorgang abgeschlossen");
        }
 
        static void DownloadFile(DownloadInfo info)
        {
            if (!File.Exists(info.temp))
            {
				Console.WriteLine("Download file '" + info.filename + "'");
				using (WebClientTimeOut client = new WebClientTimeOut())
                {
					client.Proxy = null;
					client.TimeOut = int.MaxValue;
					client.DownloadProgressChanged += new DownloadProgressChangedEventHandler(delegate(object sender, DownloadProgressChangedEventArgs eventArgs)
					{
						Console.Write("\r{0}%", eventArgs.ProgressPercentage);
					});
					client.DownloadFileTaskAsync(new Uri(info.url), info.temp).Wait();
                    //client.DownloadFile(info.url, info.temp);
                }
            }
			//Console.WriteLine("Download file '" + info.filename + "' complete");
        }
 
        static void JoinFiles(string outfile, List<DownloadInfo> fileList)
        {
            if (!File.Exists(outfile))
            {
                Process bind = new Process();
                bind.StartInfo.FileName = "FlvBind.exe";
                bind.StartInfo.Arguments = outfile;
                foreach (DownloadInfo info in fileList)
                {
                    bind.StartInfo.Arguments += " \"" + info.temp + "\"";
                }
                bind.StartInfo.UseShellExecute = false;
                bind.StartInfo.RedirectStandardOutput = true;
                bind.Start();
                Console.WriteLine(bind.StandardOutput.ReadToEnd());
                bind.WaitForExit();
            }
        }
 
        static void ConvertToMP4(string source, string destination)
        {
            Process convert = new Process();
            convert.StartInfo.FileName = "ffmpeg.exe";
            convert.StartInfo.Arguments = "-i \"" + source + "\" -vcodec libx264 -acodec libvo_aacenc -ab 96 -ac 2 -ar 22050 \"" + destination + "\"";
            convert.StartInfo.UseShellExecute = false;
            convert.StartInfo.RedirectStandardOutput = true;
            convert.Start();
            Console.WriteLine(convert.StandardOutput.ReadToEnd());
            convert.WaitForExit();
        }
    }
 
	public class WebClientTimeOut : WebClient
	{
		protected override WebRequest GetWebRequest(Uri address)
		{
			WebRequest webRequest = base.GetWebRequest(address);
			webRequest.Timeout = TimeOut;
			return webRequest;
		}
		public int TimeOut { set; get; }
	}
}