d2v.java

优秀的MPEG2-TS流分析软件

/*
 * @(#)D2V.java - simple independent implementation to create a d2v Projectfile
 *
 * Copyright (c) 2002-2005 by dvb.matt, All Rights Reserved. 
 * 
 * This file is part of X, a free Java based demux utility.
 * X is intended for educational purposes only, as a non-commercial test project.
 * It may not be used otherwise. Most parts are only experimental.
 * 
 *
 * This program is free software; you can redistribute it free of charge
 * and/or modify it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

package net.sourceforge.dvb.projectx.thirdparty;


import java.io.*;
import java.util.*;

import net.sourceforge.dvb.projectx.common.Resource;
import net.sourceforge.dvb.projectx.common.X;

public class D2V
{

	ArrayList d2v = new ArrayList();

	int[]  fps_table = { 0,23976,24000,25000,29970,30000,50000,59940,60000,0,0,0,0,0,0,0 };
	int entry=0, file=0, frame1=0, frame2=0;

	String[] type = { " 2"," 9" };
	String lastGOP = "", nextGOP = "";
	String d2vfile = "";

	String[] d2voptions = { 
		"iDCT_Algorithm=2", 
		"YUVRGB_Scale=1", 
		"Luminance=128,0",
		"Picture_Size=0,0,0,0,0,0", 
		"Field_Operation=0" 
	};

	public void Init(String fparent)
	{
		entry=0;
		file=0;

		d2v.clear();
		d2vfile = fparent + ".d2v";
		d2v.add("DVD2AVIProjectFile");
		d2v.add("1");
		d2v.add("" + (fparent.length() + 4) + " " + fparent + ".mpv");
		d2v.add("");
		d2v.add("Stream_Type=0,0,0");
		d2v.add(d2voptions[0]);
		d2v.add(d2voptions[1]);
		d2v.add(d2voptions[2]);
		d2v.add(d2voptions[3]);
		d2v.add(d2voptions[4]);
		entry += 9;
	}

	public int getPart()
	{
		return file;
	}

	public void setFile(String fparent)
	{
		d2v.add(3 + file, "" + fparent.length() + " " + fparent);
		file++;
		entry++;
	}

	public String[] readOptions()
	{
		return d2voptions;
	}

	public void setOptions(String[] newoptions)
	{
		d2voptions = (String[])newoptions.clone();
	}

	public void FrameRate(byte framerate)
	{
		d2v.add("Frame_Rate=" + (fps_table[15&framerate]));
		d2v.add("");
		entry += 2;
	}

	public void addGOP(long pos, int frames)
	{
		String fill = "7 " + file + " " + Integer.toHexString((int)(pos/2048L)).toUpperCase();

		for (int a=0; a < frames; a++) 
			fill += type[0];

		lastGOP = fill + type[0] + type[0] + type[1];
		d2v.add(fill);
		entry++;
	}

	public void write(long pos, long frame3)
	{
		if (d2v.size() < 11)
		{ 
			d2v.clear(); 
			return; 
		}

		d2v.set(1, "" + (file + 1));
		d2v.add(11 + file,"Location=0,0," + file + "," + Integer.toHexString((int)(pos/2048L)).toUpperCase());

		entry++;
		d2v.set(entry,lastGOP);

		d2v.add("");
		d2v.add("FINISHED");

		if (d2v.size() < 14)
		{ 
			d2v.clear(); 
			return; 
		}

		try 
		{
			BufferedWriter d2vout = new BufferedWriter(new FileWriter(d2vfile));

			for (int a=0; a < d2v.size(); a++)
			{
				d2vout.write(d2v.get(a).toString());
				d2vout.newLine();
			}

			d2vout.close();
		}
		catch (IOException e)
		{ 
			X.Msg(Resource.getString("msg.log.error") + " (D2V) " + e); 
		}

		d2v.clear();
	}
}