Convert MP3, MPEG, AVI to Windows Media Formats

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using WMEncoderLib;
using WMPREVIEWLib;
using System.IO;

namespace JoinTwoFile
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
	
		public static string profileName = @"C:\Program Files\Windows Media Components\Encoder\Profiles\scmeda.prx";
		public static string movie_source1 =Environment.CurrentDirectory + "\\source1.avi";
		public static string movie_source2	 = Environment.CurrentDirectory +"\\source2.avi";
		public static string movie_dest = Environment.CurrentDirectory +"\\joinedFile.wmv";
		bool glbboolStartNext= false;
		WMEncoder glbEncoder = new WMEncoder();
		IWMEncSourceGroupCollection SrcGrpColl=null;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(292, 266);
			this.Enabled = false;
			this.Name = "Form1";
			this.Opacity = 0;
			this.Text = "Form1";
			this.Load += new System.EventHandler(this.Form1_Load);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main(string[] args)
		{
			if ( args.Length >0 && !"".Equals(args[0]) )
				movie_source1 =args[0];
			if ( args.Length >1 && !"".Equals(args[1]) )
				movie_source2 =args[1];
			if (args.Length >2 && !"".Equals(args[2]) )
				movie_dest =args[2]; 
			Application.Run(new Form1());
		}

		private void Form1_Load(object sender, System.EventArgs e)
		{
			this.Visible = false;
			EncodeFromConsole();
			this.Visible = false;
			
		}
		
		private bool sEncodeFile(string source1,string source2 ,string destination)
		{

			WMEncProfile2 Pro = new WMEncProfile2();
			Int32 intProContentType=0;
			int intProVBRModeAudio=0;
			int intProVBRModeVideo=0;
			try 
			{
				Pro.LoadFromFile(profileName);
				intProContentType = Pro.ContentType;
				intProVBRModeAudio = (int)Pro.get_VBRMode(WMENC_SOURCE_TYPE.WMENC_AUDIO, 0);
				intProVBRModeVideo = (int)Pro.get_VBRMode(WMENC_SOURCE_TYPE.WMENC_VIDEO, 0);
			} 
			catch (Exception ex) 
			{
				Console.Error.WriteLine ( ex.Message);
				return false;
			}
			IWMEncSourceGroup2 SrcGrp=null;
			IWMEncSourceGroup2 SrcGrp2=null;
			try 
			{
				SrcGrpColl = glbEncoder.SourceGroupCollection;
				SrcGrp = (IWMEncSourceGroup2)SrcGrpColl.Add("SG1");
				SrcGrp2 = (IWMEncSourceGroup2)SrcGrpColl.Add ("SG2");
			} 
			catch (Exception ex) 
			{
				Console.Error.WriteLine ( ex.Message);
				return false;
			}
			IWMEncAudioSource SrcAud=null;
			IWMEncVideoSource2 SrcVid=null;
			IWMEncAudioSource SrcAud2=null;
			IWMEncVideoSource2 SrcVid2=null;
			string strDestExtension = sReturnExtension(destination);
			try 
			{
				SrcAud = (WMEncoderLib.IWMEncAudioSource )SrcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_AUDIO);
				SrcAud.SetInput(source1,"","");
				SrcVid = (WMEncoderLib.IWMEncVideoSource2 )SrcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_VIDEO);
				SrcVid.SetInput(source1,"","");
				
				SrcAud2 = (WMEncoderLib.IWMEncAudioSource )SrcGrp2.AddSource(WMENC_SOURCE_TYPE.WMENC_AUDIO);
				SrcAud2.SetInput(source2,"","");
				SrcVid2 = (WMEncoderLib.IWMEncVideoSource2 )SrcGrp2.AddSource(WMENC_SOURCE_TYPE.WMENC_VIDEO);
				SrcVid2.SetInput(source2,"","");
			} 
			catch (Exception ex) 
			{
				Console.Error.WriteLine ( ex.Message);
				return false;
			}
			try 
			{

				SrcGrp.set_Profile(Pro);
				SrcGrp2.set_Profile(Pro);
				SrcGrp.SetAutoRollover (-1, "SG2");
			} 
			catch (Exception ex) 
			{
				Console.Error.WriteLine ( ex.Message);
				return false;
			}

			SrcVid.Optimization =(WMEncoderLib.WMENC_VIDEO_OPTIMIZATION ) WMENC_VIDEO_OPTIMIZATION.WMENC_VIDEO_STANDARD;
			
			SrcAud.PreProcessPass = 0;
			SrcVid.PreProcessPass = 0;

				
			IWMEncFile2 File =(IWMEncFile2) glbEncoder.File;
			try 
			{
				File.LocalFileName = destination;
			} 
			catch (Exception ex) 
			{
				Console.Error.WriteLine ( ex.Message);
				return false;	
			}
			try 
			{
				glbEncoder.PrepareToEncode(true);
			} 
			catch (Exception ex) 
			{
				Console.Error.WriteLine ( ex.Message);
				return false;
			}
			try 
			{
				glbEncoder.Start();
			} 
			catch (Exception ex) 
			{
				Console.Error.WriteLine ( ex.Message);
				return false;
			}
			return true;
		}

		public void EncodeFromConsole()
		{
			glbEncoder.OnStateChange+=new _IWMEncoderEvents_OnStateChangeEventHandler(this.Encoder_OnStateChange); 
			bool boolEncodeStart = sEncodeFile(movie_source1,movie_source2  ,movie_dest );
			if(boolEncodeStart)
				Console.WriteLine("Joining Two Files, "+movie_source1+" and "+movie_source2+" ..........");
			glbboolStartNext= !boolEncodeStart;
			FileInfo f = new FileInfo(movie_dest );
			while (!glbboolStartNext ) 
			{
				Application.DoEvents ();
					
					
			}
				
			Console.WriteLine  ("Finished - Files "+movie_source1+" and "+movie_source2+" have joined to form " + movie_dest );
			Application.Exit ();
		}

		private string sReturnExtension(string strValue)
		{
			try 
			{
				return strValue.Substring (strValue.Length - 3).ToLower ();
			} 
			catch (Exception ex) 
			{
				Console.Error.WriteLine(ex.Message );
			}
			return "";
		}

		private void Encoder_OnStateChange(WMEncoderLib.WMENC_ENCODER_STATE enumState)
		{
			string strRunState="";
			if (enumState == WMENC_ENCODER_STATE.WMENC_ENCODER_STARTING) 
			{
				strRunState = "Encoder Starting";
			} 
			else if (enumState == WMENC_ENCODER_STATE.WMENC_ENCODER_RUNNING) 
			{
				strRunState = "Encoder Running Pass 1 of 1";
			} 
			else if (enumState == WMENC_ENCODER_STATE.WMENC_ENCODER_END_PREPROCESS) 
			{
				strRunState = "Encoder End Preprocess";
			} 
			else if (enumState == WMENC_ENCODER_STATE.WMENC_ENCODER_PAUSING) 
			{
				strRunState = "Encoder Pausing";
			} 
			else if (enumState == WMENC_ENCODER_STATE.WMENC_ENCODER_PAUSED) 
			{
				strRunState = "Encoder Paused";
			} 
			else if (enumState == WMENC_ENCODER_STATE.WMENC_ENCODER_STOPPING) 
			{
				strRunState = "Encoder Stopping";
			} 
			else if (enumState == WMENC_ENCODER_STATE.WMENC_ENCODER_STOPPED) 
			{
				strRunState = "Encoder Stopped";
				sRemoveSrcGrpColl();
				glbboolStartNext = true;
			}
		}
			
		private void sRemoveSrcGrpColl()
		{
			try
			{			
				SrcGrpColl.Remove(0);
			} 
			catch (Exception ex) 
			{
				Console.Error.WriteLine (ex.Message );
			}
		}
	}

	
}