jTsSplitter/trunk/src/jtssplitter/Tsfile.java

   1 /*
   2  * jTsSplitter - java based mpeg2ts splitter.
   3  * Copyright (C) 2009-2010 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                                     }
  75                                 }
  76                                 if (!containp_table){
  77                                     for (int iii=0;iii<pats.size();iii++){
  78                                         if (pats.get(iii).Program_TABLE>0){
  79                                             System.out.println("Program Tableの変更を検知"+Integer.toString(p_table)+" to "+Integer.toString(pats.get(iii).Program_TABLE));
  80                                             p_table=pats.get(iii).Program_TABLE;
  81                                             for (int it=0;it<pids.length;it++){
  82                                                 if (pids[it]==pmt_pid){
  83                                                     pmt_pid=pats.get(iii).PID;
  84                                                     pids[it]=pmt_pid;
  85                                                 }
  86                                             }
  87                                             iii=pats.size();
  88                                         }
  89                                     }
  90                                 }
  91
  92                                 wbyte=m2tpp.splitPAT_byte(tb,p_table);
  93                                 //wbyte=m2tpp.splitPAT(tb, p_table);
  94                                 /*byte[] wbytet=m2tpp.splitPAT(tb, p_table);
  95                                 for (int kk=0;kk<wbyte.length;kk++){
  96                                     if (wbyte[kk]==wbytet[kk]){
  97                                         //System.out.println(":match");
  98                                     }else{
  99                                         System.out.print(kk);
 100                                         System.out.println(":not match");
 101                                     }
 102                                 }*/
 103                                 //wbyte=wbytet;*/
 104                             }else if ((ii==pmt_pid)&&(readti>187)){
 105                                 wbyte=tb;
 106                                 ArrayList<PMTData> pmtss=m2tpp.readPMTglobal_byte(tb, pmt_pid);
 107                                 if (pmtss.size()>0){
 108                                     int[] new_pids=new int[pmtss.size()+3];
 109                                     new_pids[pmtss.size()]=0;
 110                                     new_pids[pmtss.size()+1]=pmt_pid;
 111                                     new_pids[pmtss.size()+2]=pmtss.get(0).PCR_PID;
 112                                     for (int i=0;i<pmtss.size();i++){
 113                                         new_pids[i]=pmtss.get(i).Elementary_PID;
 114                                     }
 115                                     if (!Arrays.equals(pids, new_pids)){
 116                                         pids=new_pids;
 117                                     }
 118                                 }
 119
 120                             /*}else if ((ii==0x0012)&&(readti>187)){
 121                                 ArrayList<EITData> eitss=m2tpp.readEIT(tb);
 122                              */
 123                             }else if (readti>187){
 124                                 wbyte=tb;
 125
 126                             }else {
 127                                 readend=true;
 128                             }
 129                             k=pids.length;
 130                         }
 131                     }
 132                 ik++;
 133             }
 134             if (alreadyreaded==false){
 135                 bis.skip(188);
 136             }
 137                 if (wbyte!=null){
 138                     bos.write(wbyte);
 139                 }
 140             }
 141             bis.close();
 142             bos.flush();
 143             bos.close();
 144             in.close();
 145             fos.close();
 146
 147         } catch (IOException ex) {
 148             Logger.getLogger(Tsfile.class.getName()).log(Level.SEVERE, null, ex);
 149         }
 150     }
 151     private PIDs getTablePID_byte(String fpath,int p_table){
 152         /**
 153          * PIDを取得し、これと思われる必要なPIDを抜き出す。
 154          * @return プログラム番号(return[0])とPIDのリスト(return[1-])
 155          */
 156         FileInputStream in = null;
 157         PIDs pids=new PIDs();
 158         int[] reti=null;
 159         try {
 160             ArrayList<Integer> ret=new ArrayList<Integer>();
 161             byte[] tb = new byte[188];
 162             int[] ib = new int[188];
 163             ArrayList<PATData> pat = new ArrayList<PATData>();
 164             ArrayList<PMTData> pmt = new ArrayList<PMTData>();
 165             String[] sb = new String[188];
 166             in = new FileInputStream(fpath);
 167             int imax=1000;
 168             for (int i = 0; i < imax ; i++) {
 169                 if (in.read(tb)==-1){
 170                     in.close();
 171                     System.out.println("Program Table and PMT not found.");
 172                     System.exit(1);
 173                 }
 174                 String last8;
 175                 Mpeg2TSPacket m2tp;
 176                 m2tp = new Mpeg2TSPacket();
 177                 m2tp.setPAT(pat);
 178                 m2tp.setPMT(pmt);
 179                 m2tp.readTS_byte(tb);
 180                 pat = m2tp.getPAT();
 181                 for (int i2=0;i2<pat.size();i2++){
 182                     PATData patdd=pat.get(i2);
 183                     if (pat.get(i2).Program_TABLE==p_table){
 184                         pat.clear();
 185                         pat.add(patdd);
 186                         m2tp.setPAT(pat);
 187                     }
 188                 }
 189                 ArrayList<PMTData> pmtt=m2tp.getPMT();
 190                 for (int i2=0;i2<pmtt.size();i2++){
 191                     if (!(pmt.contains(pmtt.get(i2)))){
 192                         pmt.add(pmtt.get(i2));
 193                     }
 194                 }
 195                 if ((i==imax-1)&&(pmt.size()==0)){
 196                     imax=imax+500;
 197                 }
 198                 for (int i2=0;i2<pmt.size();i2++){
 199                     int itt=ret.size();
 200                     if (p_table==pmt.get(i2).Program_Table){
 201                         if (!(ret.contains(pmt.get(i2).Elementary_PID))){
 202                             ret.add(pmt.get(i2).Elementary_PID);
 203                             i=imax;
 204                         }
 205                     }
 206                     if (ret.size()==itt){
 207                         imax=imax+100;
 208                     }
 209                 }
 210             }
 211             PATData patd_det=new PATData();
 212             for (int i=0;i<pat.size();i++){
 213                 if (pat.get(i).Program_TABLE==p_table){
 214                     patd_det=pat.get(i);
 215                     i=pat.size();
 216                 }
 217             }
 218             ret.add(0);
 219             ret.add(patd_det.PID);
 220             ret.add(pmt.get(0).Elementary_PID);
 221             for (int i=0;i<pmt.size();i++){
 222                 if (patd_det.Program_TABLE==pmt.get(i).Program_Table){
 223                     if (!(ret.contains(pmt.get(i).Elementary_PID))){
 224                         if ((pmt.get(i).Stream_Type==0x02)||(pmt.get(i).Stream_Type==0x0f)){
 225                             ret.add(pmt.get(i).Elementary_PID);
 226                         }
 227                     }
 228                 }
 229             }
 230             pids.PMT_PID=patd_det.PID;
 231             pids.Program_Table=patd_det.Program_TABLE;
 232             pids.PIDs=new int[ret.size()];
 233             for (int i=0;i<ret.size();i++){
 234                 pids.PIDs[i]=ret.get(i);
 235             }
 236             in.close();
 237         } catch (IOException ex) {
 238             Logger.getLogger(Tsfile.class.getName()).log(Level.SEVERE, null, ex);
 239         } finally {
 240             try {
 241                 in.close();
 242             } catch (IOException ex) {
 243                 Logger.getLogger(Tsfile.class.getName()).log(Level.SEVERE, null, ex);
 244             }
 245         }
 246         return pids;
 247     }
 248     private int getFirstP_Table_byte(String fpath){
 249         /**
 250          * PIDを取得し、これと思われる必要なPIDを抜き出す。
 251          * @return プログラム番号(return[0])とPIDのリスト(return[1-])
 252          */
 253         FileInputStream in = null;
 254         int[] reti=null;
 255         int[] pat_det=new int[2];
 256         //pat_det[0]=0;
 257         PATData patdd=new PATData();
 258         patdd.PID=0;
 259         try {
 260             ArrayList ret=new ArrayList();
 261             byte[] tb = new byte[188];
 262             int[] ib = new int[188];
 263             ArrayList<PATData> pat = new ArrayList<PATData>();
 264             ArrayList<PMTData> pmt = new ArrayList<PMTData>();
 265             String[] sb = new String[188];
 266             in = new FileInputStream(fpath);
 267             //int[] PIDCount = new int[8200];
 268             int imax=1000;
 269             calc cal=new calc();
 270             for (int i = 0; i < imax ; i++) {
 271                 in.read(tb);
 272                 String last8;
 273                 Mpeg2TSPacket m2tp;
 274                 m2tp = new Mpeg2TSPacket();
 275                 m2tp.setPAT(pat);
 276                 m2tp.setPMT(pmt);
 277                 m2tp.readTS_byte(tb);
 278                 pat = m2tp.getPAT();
 279                 pmt = m2tp.getPMT();
 280                 if ((i==imax-1)&&(pmt.size()==0)){
 281                     imax=imax+500;
 282                 }
 283             }
 284
 285             for (int i=0;i<pat.size();i++){
 286                 if (pat.get(i).Program_TABLE>0){
 287                     patdd=pat.get(i);
 288                     i=pat.size();
 289                 }
 290             }
 291         } catch (IOException ex) {
 292             Logger.getLogger(Tsfile.class.getName()).log(Level.SEVERE, null, ex);
 293         } finally {
 294             try {
 295                 in.close();
 296             } catch (IOException ex) {
 297                 Logger.getLogger(Tsfile.class.getName()).log(Level.SEVERE, null, ex);
 298             }
 299         }
 300         return patdd.Program_TABLE;
 301     }
 302 }