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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;

namespace mpeg_tst
{
	public class TS
	{
		private byte[] TS_Header;				// 4 bytes ?
		//private byte[] TS_Adaptation_Field;		// ????
		//private byte[] TS_Payload;				// Pachetele PES care nu le-am inclus inca
		private int TS_length;				// =188 bytes
		private int TS_Data_Length;			// =184 bytes
		private byte[] TS_Data;				// Partea de date din pachet

		private int bytes_left;				// indicator de spatiu liber in pachet
		private int load;					// indicator de pozitie in TS_Data

		public byte[] TS_output;			// Pachetul final asamblat

		public TS() // Constructorul implicit al clasei
		{
			TS_length=188;
			TS_Data_Length=184;
			TS_Header=new byte[4];
			for(int i=0;i<4;i++) TS_Header[i]=42; // Header-ul va fi "****"
			TS_Data=new byte[TS_Data_Length];
			TS_output=new byte[TS_length];
			bytes_left=184;
			load=0;
		}

		public bool add_data(byte[] raw_data)
		{
			int i,len;
			len=raw_data.GetLength(0);
			if (bytes_left<len) return false;
			for(i=0;i<len;i++) TS_Data[load+i]=raw_data[i];
			load=load+len;
			bytes_left=bytes_left-len;
			return true;
		}

		public void stuffing()
		{
			for(int i=load;i<TS_Data_Length;i++) TS_Data[i]=33;
		}

		public void asembly_output()
		{ int i;
			for(i=0;i<4;i++) TS_output[i]=TS_Header[i];
			for(i=0;i<TS_Data_Length;i++) TS_output[4+i]=TS_Data[i];
		}

		public void reset_TS()
		{
			bytes_left=184;
			load=0;
		}

	}
}

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About the Author

ro_angel_bv
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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