jTsSplitter/trunk/src/jtssplitter/Tsfile.java

   1 /*
   2  * jTsSplitter - java based mpeg2ts splitter.
   3  * Copyright (C) 2009-2012 Yukikaze
   4  */
   5
   6 package jtssplitter;
   7 import java.util.ArrayList;
   8 import java.io.*;
   9 import java.util.logging.Level;
  10 import java.util.logging.Logger;
  11 import java.util.Arrays;
  12 import jtssplitter.data.PATData;
  13 import jtssplitter.data.PIDs;
  14 import jtssplitter.data.PMTData;
  15 /**
  16  *
  17  * @author Administrator
  18  */
  19 public class Tsfile {
  20     public void splitTS_byte(String origpath,String destpath,int csch){
  21         int[] pids=null;
  22         int p_table=0;
  23         if (csch>0){
  24             p_table=csch;
  25         }else{
  26             p_table=getFirstP_Table_byte(origpath);
  27         }
  28         PIDs pidss=getTablePID_byte(origpath,p_table);
  29         p_table=pidss.Program_Table;
  30         pids=pidss.PIDs;
  31         int pmt_pid=pidss.PMT_PID;
  32         System.out.println("番組の同定終了");
  33         System.out.println("Program Table : "+Integer.toString(p_table));
  34         byte[] tb=new byte[188];
  35         try {
  36             FileInputStream in = new FileInputStream(origpath);
  37             FileOutputStream fos=new FileOutputStream(destpath);
  38             BufferedInputStream bis=new BufferedInputStream(in,128*188);
  39             BufferedOutputStream bos=new BufferedOutputStream(fos);
  40             byte[] wbyte=null;
  41             boolean end=false;
  42             int ik=0;
  43             boolean readend=false;
  44             Mpeg2TSPacket m2tpp;
  45             m2tpp=new Mpeg2TSPacket();
  46             while (readend==false){
  47                 byte[] tstt=new byte[3];
  48                 bis.mark(188*2);
  49                 bis.read(tstt);
  50                 bis.reset();
  51                 wbyte=null;
  52                 Mpeg2TSPacket m2tp;
  53                 m2tp=new Mpeg2TSPacket();
  54                 //int ii=m2tpp.getPIDFirst(tstt);
  55                 int ii=m2tpp.getPIDFirst_byte(tstt);
  56                 //if (ii!=i2){
  57                 //    System.out.println("not match");
  58                 //}
  59                 boolean alreadyreaded=false;
  60                 for (int k=0;k<pids.length;k++){
  61                     if (alreadyreaded==false){
  62                         if (ii==pids[k]){
  63                             alreadyreaded=true;
  64                             int readti=bis.read(tb);
  65                             if ((ii==0)&&(readti>187)){
  66                                 Mpeg2TSPacket m2tp2=new Mpeg2TSPacket();
  67                                 m2tp2.readTS_byte(tb);
  68                                 ArrayList<PATData> pats=new ArrayList<PATData>();
  69                                 pats=m2tp2.getPAT();
  70                                 boolean containp_table=false;
  71                                 for (int iii=0;iii<pats.size();iii++){
  72                                     if (pats.get(iii).Program_TABLE==p_table){
  73                                         containp_table=true;
  74                                     }else if (csch > 0){
  75                                         containp_table=true;
  76                                     }
  77                                 }
  78                                 if (!containp_table){
  79                                     for (int iii=0;iii<pats.size();iii++){
  80                                         if (pats.get(iii).Program_TABLE>0){
  81                                             System.out.println("Program Tableの変更を検知"+Integer.toString(p_table)+" to "+Integer.toString(pats.get(iii).Program_TABLE));
  82                                             p_table=pats.get(iii).Program_TABLE;
  83                                             for (int it=0;it<pids.length;it++){
  84                                                 if (pids[it]==pmt_pid){
  85                                                     pmt_pid=pats.get(iii).PID;
  86                                                     pids[it]=pmt_pid;
  87                                                 }
  88                                             }
  89                                             iii=pats.size();
  90                                         }
  91                                     }
  92                                 }
  93
  94                                 wbyte=m2tpp.splitPAT_byte(tb,p_table);
  95                                 //wbyte=m2tpp.splitPAT(tb, p_table);
  96                                 /*byte[] wbytet=m2tpp.splitPAT(tb, p_table);
  97                                 for (int kk=0;kk<wbyte.length;kk++){
  98                                     if (wbyte[kk]==wbytet[kk]){
  99                                         //System.out.println(":match");
 100                                     }else{
 101                                         System.out.print(kk);
 102                                         System.out.println(":not match");
 103                                     }
 104                                 }*/
 105                                 //wbyte=wbytet;*/
 106                             }else if ((ii==pmt_pid)&&(readti>187)){
 107                                 wbyte=tb;
 108                                 ArrayList<PMTData> pmtss=m2tpp.readPMTglobal_byte(tb, pmt_pid);
 109                                 if (pmtss.size()>0){
 110                                     int[] new_pids=new int[pmtss.size()+3];
 111                                     new_pids[pmtss.size()]=0;
 112                                     new_pids[pmtss.size()+1]=pmt_pid;
 113                                     new_pids[pmtss.size()+2]=pmtss.get(0).PCR_PID;
 114                                     for (int i=0;i<pmtss.size();i++){
 115                                         new_pids[i]=pmtss.get(i).Elementary_PID;
 116                                     }
 117                                     if (!Arrays.equals(pids, new_pids)){
 118                                         pids=new_pids;
 119                                     }
 120                                 }
 121
 122                             /*}else if ((ii==0x0012)&&(readti>187)){
 123                                 ArrayList<EITData> eitss=m2tpp.readEIT(tb);
 124                              */
 125                             }else if (readti>187){
 126                                 wbyte=tb;
 127
 128                             }else {
 129                                 readend=true;
 130                             }
 131                             k=pids.length;
 132                         }
 133                     }
 134                 ik++;
 135             }
 136             if (alreadyreaded==false){
 137                 bis.skip(188);
 138             }
 139                 if (wbyte!=null){
 140                     bos.write(wbyte);
 141                 }
 142             }
 143             bis.close();
 144             bos.flush();
 145             bos.close();
 146             in.close();
 147             fos.close();
 148
 149         } catch (IOException ex) {
 150             Logger.getLogger(Tsfile.class.getName()).log(Level.SEVERE, null, ex);
 151         }
 152     }
 153     private PIDs getTablePID_byte(String fpath,int p_table){
 154         /**
 155          * PIDを取得し、これと思われる必要なPIDを抜き出す。
 156          * @return プログラム番号(return[0])とPIDのリスト(return[1-])
 157          */
 158         FileInputStream in = null;
 159         PIDs pids=new PIDs();
 160         int[] reti=null;
 161         try {
 162             ArrayList<Integer> ret=new ArrayList<Integer>();
 163             byte[] tb = new byte[188];
 164             int[] ib = new int[188];
 165             ArrayList<PATData> pat = new ArrayList<PATData>();
 166             ArrayList<PMTData> pmt = new ArrayList<PMTData>();
 167             String[] sb = new String[188];
 168             in = new FileInputStream(fpath);
 169             int imax=1000;
 170             for (int i = 0; i < imax ; i++) {
 171                 if (in.read(tb)==-1){
 172                     in.close();
 173                     System.out.println("Program Table and PMT not found.");
 174                     System.exit(1);
 175                 }
 176                 String last8;
 177                 Mpeg2TSPacket m2tp;
 178                 m2tp = new Mpeg2TSPacket();
 179                 m2tp.setPAT(pat);
 180                 m2tp.setPMT(pmt);
 181                 m2tp.readTS_byte(tb);
 182                 pat = m2tp.getPAT();
 183                 for (int i2=0;i2<pat.size();i2++){
 184                     PATData patdd=pat.get(i2);
 185                     if (pat.get(i2).Program_TABLE==p_table){
 186                         pat.clear();
 187                         pat.add(patdd);
 188                         m2tp.setPAT(pat);
 189                     }
 190                 }
 191                 ArrayList<PMTData> pmtt=m2tp.getPMT();
 192                 for (int i2=0;i2<pmtt.size();i2++){
 193                     if (!(pmt.contains(pmtt.get(i2)))){
 194                         pmt.add(pmtt.get(i2));
 195                     }
 196                 }
 197                 if ((i==imax-1)&&(pmt.size()==0)){
 198                     imax=imax+500;
 199                 }
 200                 for (int i2=0;i2<pmt.size();i2++){
 201                     int itt=ret.size();
 202                     if (p_table==pmt.get(i2).Program_Table){
 203                         if (!(ret.contains(pmt.get(i2).Elementary_PID))){
 204                             ret.add(pmt.get(i2).Elementary_PID);
 205                             i=imax;
 206                         }
 207                     }
 208                     if (ret.size()==itt){
 209                         imax=imax+100;
 210                     }
 211                 }
 212             }
 213             PATData patd_det=new PATData();
 214             for (int i=0;i<pat.size();i++){
 215                 if (pat.get(i).Program_TABLE==p_table){
 216                     patd_det=pat.get(i);
 217                     i=pat.size();
 218                 }
 219             }
 220             ret.add(0);
 221             ret.add(patd_det.PID);
 222             ret.add(pmt.get(0).Elementary_PID);
 223             for (int i=0;i<pmt.size();i++){
 224                 if (patd_det.Program_TABLE==pmt.get(i).Program_Table){
 225                     if (!(ret.contains(pmt.get(i).Elementary_PID))){
 226                         if ((pmt.get(i).Stream_Type==0x02)||(pmt.get(i).Stream_Type==0x0f)){
 227                             ret.add(pmt.get(i).Elementary_PID);
 228                         }
 229                     }
 230                 }
 231             }
 232             pids.PMT_PID=patd_det.PID;
 233             pids.Program_Table=patd_det.Program_TABLE;
 234             pids.PIDs=new int[ret.size()];
 235             for (int i=0;i<ret.size();i++){
 236                 pids.PIDs[i]=ret.get(i);
 237             }
 238             in.close();
 239         } catch (IOException ex) {
 240             Logger.getLogger(Tsfile.class.getName()).log(Level.SEVERE, null, ex);
 241         } finally {
 242             try {
 243                 in.close();
 244             } catch (IOException ex) {
 245                 Logger.getLogger(Tsfile.class.getName()).log(Level.SEVERE, null, ex);
 246             }
 247         }
 248         return pids;
 249     }
 250     public Integer[] getProgramNum_byte(String fpath){
 251             /**
 252              * PIDを取得し、これと思われる必要なPIDを抜き出す。
 253              * @return プログラム番号(return[0])とPIDのリスト(return[1-])
 254              */
 255             FileInputStream in = null;
 256             ArrayList<Integer> retti = new ArrayList<Integer>();
 257             byte[] tb = new byte[188];
 258             ArrayList<PATData> pat = new ArrayList<PATData>();
 259             ArrayList<PATData> pat_ok = new ArrayList<PATData>();
 260             ArrayList<PMTData> pmt = new ArrayList<PMTData>();
 261             try {
 262             in = new FileInputStream(fpath);
 263             int imax = 7000;
 264             int mmax = 20000;
 265             for (int i = 0; i < imax; i++) {
 266                 if (in.read(tb) == -1) {
 267                     in.close();
 268                     System.out.println("Program Table not found.");
 269                     System.exit(1);
 270                 }
 271                 String last8;
 272                 Mpeg2TSPacket m2tp;
 273                 m2tp = new Mpeg2TSPacket();
 274                 m2tp.setPAT(pat);
 275                 m2tp.setPMT(pmt);
 276                 m2tp.readTS_byte(tb);
 277                 pat = m2tp.getPAT();
 278                 pmt = m2tp.getPMT();
 279                 ArrayList<PMTData> pmtt=m2tp.getPMT();
 280                 for (int i2=0;i2<pmtt.size();i2++){
 281                     if (!(pmt.contains(pmtt.get(i2)))){
 282                         pmt.add(pmtt.get(i2));
 283                     }
 284                 }
 285
 286                 if (i>imax-10 && pat_ok.size()==0 && i<mmax){
 287                     imax=imax+100;
 288                 }
 289                 for (int i3=0;i3<pmt.size();i3++){
 290                     if (pmt.get(i3).Stream_Type==0x02){
 291                         for (int i4=0;i4<pat.size();i4++){
 292                             if (pmt.get(i3).Program_Table==pat.get(i4).Program_TABLE && !(pat_ok.contains(pat.get(i4)))){
 293                                 pat_ok.add(pat.get(i4));
 294                             }
 295                         }
 296                     }
 297                 }
 298             }
 299             for (int i5 = 0; i5 < pat_ok.size(); i5++) {
 300                 PATData patdd = pat_ok.get(i5);
 301                 if ((patdd.Program_TABLE != 0) &&(!(retti.contains(patdd.Program_TABLE)))){
 302                     retti.add(patdd.Program_TABLE);
 303                 }
 304             }
 305         } catch (IOException ex) {
 306             Logger.getLogger(Tsfile.class.getName()).log(Level.SEVERE, null, ex);
 307         }
 308         Integer[] rt=retti.toArray(new Integer[retti.size()]);
 309         return rt;
 310     }
 311     private int getFirstP_Table_byte(String fpath){
 312         /**
 313          * PIDを取得し、これと思われる必要なPIDを抜き出す。
 314          * @return プログラム番号(return[0])とPIDのリスト(return[1-])
 315          */
 316         FileInputStream in = null;
 317         int[] reti=null;
 318         int[] pat_det=new int[2];
 319         //pat_det[0]=0;
 320         PATData patdd=new PATData();
 321         patdd.PID=0;
 322         try {
 323             ArrayList ret=new ArrayList();
 324             byte[] tb = new byte[188];
 325             int[] ib = new int[188];
 326             ArrayList<PATData> pat = new ArrayList<PATData>();
 327             ArrayList<PMTData> pmt = new ArrayList<PMTData>();
 328             String[] sb = new String[188];
 329             in = new FileInputStream(fpath);
 330             //int[] PIDCount = new int[8200];
 331             int imax=1000;
 332             calc cal=new calc();
 333             for (int i = 0; i < imax ; i++) {
 334                 in.read(tb);
 335                 String last8;
 336                 Mpeg2TSPacket m2tp;
 337                 m2tp = new Mpeg2TSPacket();
 338                 m2tp.setPAT(pat);
 339                 m2tp.setPMT(pmt);
 340                 m2tp.readTS_byte(tb);
 341                 pat = m2tp.getPAT();
 342                 pmt = m2tp.getPMT();
 343                 if ((i==imax-1)&&(pmt.size()==0)){
 344                     imax=imax+500;
 345                 }
 346             }
 347
 348             for (int i=0;i<pat.size();i++){
 349                 if (pat.get(i).Program_TABLE>0){
 350                     patdd=pat.get(i);
 351                     i=pat.size();
 352                 }
 353             }
 354         } catch (IOException ex) {
 355             Logger.getLogger(Tsfile.class.getName()).log(Level.SEVERE, null, ex);
 356         } finally {
 357             try {
 358                 in.close();
 359             } catch (IOException ex) {
 360                 Logger.getLogger(Tsfile.class.getName()).log(Level.SEVERE, null, ex);
 361             }
 362         }
 363         return patdd.Program_TABLE;
 364     }
 365 }