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Posted 28 Mar 2004

Sample speed test for Transport Stream construction

, 13 Apr 2004
A program that emulates the TS construction from ES files for the HDTV standard.
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;

namespace mpeg_tst
	public class d_about : System.Windows.Forms.Form
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.TextBox textBox1;
		private System.ComponentModel.Container components = null;

		public d_about()

		protected override void Dispose( bool disposing )
			if( 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()
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(d_about));
			this.button1 = new System.Windows.Forms.Button();
			this.textBox1 = new System.Windows.Forms.TextBox();
			// button1
			this.button1.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(224)), ((System.Byte)(224)), ((System.Byte)(224)));
			this.button1.Location = new System.Drawing.Point(256, 320);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(72, 24);
			this.button1.TabIndex = 0;
			this.button1.Text = "CLOSE";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// textBox1
			this.textBox1.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(192)), ((System.Byte)(255)));
			this.textBox1.Font = new System.Drawing.Font("Arial", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.textBox1.Location = new System.Drawing.Point(8, 8);
			this.textBox1.Multiline = true;
			this.textBox1.Name = "textBox1";
			this.textBox1.ReadOnly = true;
			this.textBox1.Size = new System.Drawing.Size(560, 296);
			this.textBox1.TabIndex = 1;
			this.textBox1.Text = "Even if the two axes are called \"Miliseconds\" and \"TS Packets\" this diagram isn\'t" +
				" the usual graphic you\'d expect. It\'s a kind of effiency diagram wich show aprox" +
				"imately how many TS packets were produced during a period of time. So , if the f" +
				"irst value on your horizontal axe (\"Miliseconds\") it\'s 30 and the coresponding v" +
				"alue on the vertical axe (\"TS packets\") it\'s 800 , this means that in the first " +
				"30 miliseconds of the simulation 800 TS Packets were produced. Accordingly , if " +
				"the second value on the horizontal axe it\'s 54 and the coresponding value on the" +
				" vertical axe it\'s 1000 , this means that between miliseconds 30 and 54 there we" +
				"re 1000 TS Packets produced , so the system generated 1000 TS Packets in 24 mili" +
				"seconds. The measurement it\'s done by taking the time after each group of 100 TS" +
				" packets. This might slow up the process but it\'s more appropiate to the real co" +
				"nditions. Hardly you\'ll find two different simulation with the same diagram. The" +
				" \"spikes\" you\'ll notice on most diagrams are the cause of your system internals " +
				"( hey , your program isn\'t the only one using the CPU , RAM and HDD) so variatio" +
				"ns are expected. Overall , this diagram can give you a clue about TS generation " +
				"efficiency on your system at various settings. For example , if you use a large " +
				"buffer setting on a simulation you\'ll notice a significant rise of TS packets qu" +
				"antity in the last part of time , due to exclusive buffer reading.  Also , it\'s " +
				"recomandable to read diagrams for small size TS generated , because the generati" +
				"on of an TS over 400 Mb might produce enough data for the diagram to become almo" +
				"st unreadable.";
			this.textBox1.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
			// d_about
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(192)), ((System.Byte)(255)));
			this.ClientSize = new System.Drawing.Size(576, 358);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
			this.MaximumSize = new System.Drawing.Size(584, 392);
			this.MinimumSize = new System.Drawing.Size(584, 392);
			this.Name = "d_about";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "About the Diagram";


		private void button1_Click(object sender, System.EventArgs e)

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About the Author

Web Developer
Malaysia Malaysia
Dumitru Bogdan - alias Angel

Born 1980 , Brasov , Romania

Final year student at Transilvania University of Brasov , Faculty of Electrical Engineering & Computer Science , Department of Electronics & Computers

Programming : Visual C++ , Visual Fox Pro , Assembler & later , C#

Motto : "Nothing Last Forever" , and software is no exception

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