lib/dvb/radiotext.cpp

   1 #include <lib/base/eerror.h>
   2 #include <lib/dvb/radiotext.h>
   3 #include <lib/dvb/idemux.h>
   4 #include <lib/gdi/gpixmap.h>
   5
   6 DEFINE_REF(eDVBRdsDecoder);
   7
   8 eDVBRdsDecoder::eDVBRdsDecoder(iDVBDemux *demux)
   9         :msgPtr(0), bsflag(0), qdar_pos(0), t_ptr(0), qdarmvi_show(0), state(0)
  10         ,m_abortTimer(eApp)
  11 {
  12         setStreamID(0xC0, 0xC0);
  13
  14         memset(rass_picture_mask, 0, sizeof(rass_picture_mask));
  15         memset(rtp_item, 0, sizeof(rtp_item));
  16
  17         if (demux->createPESReader(eApp, m_pes_reader))
  18                 eDebug("failed to create PES reader!");
  19         else
  20                 m_pes_reader->connectRead(slot(*this, &eDVBRdsDecoder::processData), m_read_connection);
  21         CONNECT(m_abortTimer.timeout, eDVBRdsDecoder::abortNonAvail);
  22 }
  23
  24 eDVBRdsDecoder::~eDVBRdsDecoder()
  25 {
  26         // delete cached rass slides
  27         for (int page=0; page < 10; ++page)
  28         {
  29                 unsigned char mask = rass_picture_mask[(page*4)/8];
  30                 if (page % 2)
  31                         mask >>= 4;
  32                 int subpage=0;
  33                 while(mask)
  34                 {
  35                         if (mask & 1)
  36                         {
  37                                 std::string filename = getRassPicture(page, subpage);
  38                                 if (filename.length())
  39                                         remove(filename.c_str());
  40                         }
  41                         mask >>= 1;
  42                         ++subpage;
  43                 }
  44         }
  45         remove("/tmp/RassLast.mvi");
  46 }
  47
  48 #define SWAP(x) ((x<<8)|(x>>8))
  49 #define LO(x)   (x&0xFF)
  50
  51 static inline unsigned short crc_ccitt_byte( unsigned short crc, unsigned char c )
  52 {
  53         crc = SWAP(crc) ^ c;
  54         crc = crc ^ (LO(crc) >> 4);
  55         crc = crc ^ (SWAP(LO(crc)) << 4) ^ (LO(crc) << 5);
  56         return crc;
  57 }
  58
  59 static int bitrate[3][3][16] = {
  60         {
  61                 // MPEG-2, L3
  62                 {-1,8000,16000,24000,32000,40000,48000,56000,64000,80000,96000,112000,128000,144000,160000,0},
  63                 // MPEG-2, L2
  64                 {-1,8000,16000,24000,32000,40000,48000,56000,64000,80000,96000,112000,128000,144000,160000,0},
  65                 // MPEG-2, L1
  66                 {-1,32000,48000,56000,64000,80000,96000,112000,128000,144000,160000,176000,192000,224000,256000,0}
  67         },
  68         {
  69                 // MPEG-1, L3
  70                 {-1,32000,40000,48000,56000,64000,80000,96000,112000,128000,160000,192000,224000,256000,320000,0},
  71                 // MPEG-1, L2
  72                 {-1,32000,48000,56000,64000,80000,96000,112000,128000,160000,192000,224000,256000,320000,384000,0},
  73                 // MPEG-1, L1
  74                 {-1,32000,64000,96000,128000,160000,192000,224000,256000,288000,320000,352000,384000,416000,448000,0}
  75         },
  76         {
  77                 //MPEG-2.5, L3??
  78                 {-1,6000,8000,10000,12000,16000,20000,24000,28000,320000,40000,48000,56000,64000,80000,0},
  79                 //MPEG-2.5, L2
  80                 {-1,6000,8000,10000,12000,16000,20000,24000,28000,320000,40000,48000,56000,64000,80000,0},
  81                 //MPEG-2.5, L1
  82                 {-1,8000,12000,16000,20000,24000,32000,40000,48000,560000,64000,80000,96000,112000,128000,0}
  83         }
  84 };
  85
  86 static int frequency[3][4] = {
  87         // MPEG2 - 22.05, 24, 16khz
  88         { 22050,24000,16000,0 },
  89         // MPEG1 - 44.1, 48, 32khz
  90         { 44100,48000,32000,0 },
  91         // MPEG2.5 - 11.025, 12, 8khz
  92         { 11025,12000,8000,0 }
  93 };
  94
  95 void eDVBRdsDecoder::connectEvent(const Slot1<void, int> &slot, ePtr<eConnection> &connection)
  96 {
  97         connection = new eConnection(this, m_event.connect(slot));
  98 }
  99
 100 void eDVBRdsDecoder::addToPictureMask(int id)
 101 {
 102         int page = id / 1000;
 103         int tmp = page > 0 ? id / page : id;
 104         int subpage = 0;
 105         while(tmp > 1000)
 106         {
 107                 ++subpage;
 108                 tmp -= 1000;
 109                 tmp *= 10;
 110         }
 111         int index = (page*4+subpage)/8;
 112         int val = (page%2) ? 16 * (1 << subpage) : (1 << subpage);
 113         if (rass_picture_mask[index] & val) // already have this picture
 114                 return;
 115         rass_picture_mask[index] |= val;
 116         /* emit */ m_event(RassInteractivePicMaskChanged);
 117 }
 118
 119 void eDVBRdsDecoder::removeFromPictureMask(int id)
 120 {
 121         int page = id / 1000;
 122         int tmp = page > 0 ? id / page : id;
 123         int subpage = 0;
 124         while(tmp > 1000)
 125         {
 126                 ++subpage;
 127                 tmp -= 1000;
 128                 tmp *= 10;
 129         }
 130         int index = (page*4)/8;
 131         int val = (page%2) ? 16 * (1 << subpage) : (1 << subpage);
 132         if (rass_picture_mask[index] & val) // have this picture
 133         {
 134                 rass_picture_mask[index] &= ~val;
 135                 /* emit */ m_event(RassInteractivePicMaskChanged);
 136         }
 137 }
 138
 139 void eDVBRdsDecoder::processPESPacket(__u8 *data, int len)
 140 {
 141         int pos=9+data[8];// skip pes header
 142         int cnt=0;
 143
 144         while (pos < len)
 145         {
 146                 if ((0xFF & data[pos]) != 0xFF || (0xF0 & data[pos + 1]) != 0xF0)
 147                         return;
 148
 149                 int padding_bit = (data[pos + 2]>>1) & 1;
 150                 int mode = (data[pos + 3]>>6) & 3;
 151                 int channel = mode == 3 ? 1 : 2;
 152                 int id = (data[pos + 1] >> 3) & 1;
 153                 int emphasis_bit = data[pos + 3] & 3;
 154                 int protection_bit = data[pos + 1] & 1;
 155                 int rate = -1;
 156                 int sample_freq = -1;
 157                 int layer = -1;
 158
 159                 if (emphasis_bit == 2 && id == 1 )
 160                         id = 2;
 161
 162                 if ((layer = (data[pos + 1]>>1) & 3) < 1)
 163                         return;
 164
 165                 if ((rate = bitrate[id][layer - 1][(data[pos + 2]>>4) & 0xf]) < 1)
 166                         return;
 167
 168                 if ((sample_freq = frequency[id][(data[pos + 2]>>2) & 3]) == 0)
 169                         return;
 170
 171                 if (id == 1 && layer == 2)
 172                 {
 173                         if (rate / channel < 32000)
 174                                 return;
 175                         if (rate / channel > 192000)
 176                                 return;
 177                 }
 178
 179                 int frame_size = layer < 3 ?
 180                         (144 * rate / sample_freq) + padding_bit :
 181                         ((12 * rate / sample_freq) * 4) + (4 * padding_bit);
 182
 183                 pos += frame_size;
 184
 185 #if 0
 186 //              eDebug("protection_bit ? %d", protection_bit);
 187 //              int offs = protection_bit ? pos - 1 : pos - 3;
 188 //              if (data[offs] != 0xFD)
 189 //                      offs += 2;
 190 //              eDebug("%02x %02x %02x %02x %02x", data[offs-2], data[offs-1], data[offs], data[offs+1], data[offs+2]);
 191 #else
 192                 int offs = pos - 1;
 193 #endif
 194
 195                 if (data[offs] == 0xFD)
 196                 {
 197                         m_abortTimer.stop();
 198                         int ancillary_len = 1 + data[offs - 1];
 199                         offs -= ancillary_len;
 200                         gotAncillaryData(data+offs, ancillary_len);
 201                 }
 202         }
 203 }
 204
 205 void eDVBRdsDecoder::process_qdar(unsigned char *buf)
 206 {
 207         if (buf[0] == 0x40 && buf[1] == 0xDA)
 208         {
 209                 unsigned int item,cnt,ctrl,item_type;
 210                 unsigned long item_length,id,item_no,ptr,tmp;
 211                 unsigned short crc_qdar,crc_read;
 212                 char fname[50];
 213                 ptr=4;cnt=0;
 214                 item=buf[2]<<8; // Number of Items
 215                 item|=buf[3];
 216
 217                 while ( cnt++ < item ) //read in items
 218                 {
 219                         id=buf[ptr++]<<8; //QDarID
 220                         id|=buf[ptr++];
 221
 222                         item_no=buf[ptr++]<<8; // Item Number
 223                         item_no|=buf[ptr++];
 224
 225                         ctrl=buf[ptr++]; //controlbyte
 226                         item_type=buf[ptr++]; //item type
 227
 228                         item_length=buf[ptr++]<<24; // Item length
 229                         item_length|=buf[ptr++]<<16;
 230                         item_length|=buf[ptr++]<<8;
 231                         item_length|=buf[ptr++];
 232
 233                         ptr=ptr+4; // rfu Bytes ... not used
 234                         tmp=ptr; // calc crc
 235                         crc_qdar=0xFFFF;
 236                         while (tmp < ptr+item_length)
 237                                 crc_qdar = crc_ccitt_byte(crc_qdar, buf[tmp++]);
 238
 239                         crc_read=buf[ptr+item_length]<<8;
 240                         crc_read|=buf[ptr+item_length+1];
 241                         //eDebug("[RDS/Rass] CRC read: %04X calculated: %04X",crc_read,crc_qdar^0xFFFF);
 242
 243                         if (crc_read == (crc_qdar^0xFFFF)) // process item
 244                         {
 245                                 switch(item_type)
 246                                 {
 247                                         case 0x01: //Stillframe
 248                                                 if (ctrl&0x01) // display slide
 249                                                 {
 250                                                         sprintf(fname,"/tmp/RassLast.mvi");
 251                                                         FILE *fh=fopen(fname,"wb");
 252                                                         fwrite(buf+ptr,1,item_length-2,fh);
 253                                                         fclose(fh);
 254                                                         /*emit*/ m_event(RecvRassSlidePic);
 255                                                         qdarmvi_show=1;
 256                                                 }
 257                                                 if (ctrl&0x02) // save slide for interactive mode
 258                                                 {
 259                                                         if (id == 0 || id >= 1000)
 260                                                         {
 261                                                                 sprintf(fname,"/tmp/Rass%04d.mvi",(int)id);
 262                                                                 FILE *fh=fopen(fname,"wb");
 263                                                                 fwrite(buf+ptr,1,item_length-2,fh);
 264                                                                 fclose(fh);
 265                                                                 addToPictureMask(id);
 266                                                         }
 267                                                         else
 268                                                                 eDebug("ignore recv interactive picture id %lu", id);
 269                                                 }
 270                                                 if (ctrl&0x04) // display slide if nothing had been displayed yet
 271                                                 {
 272                                                         if (qdarmvi_show != 1)
 273                                                         {
 274                                                                 sprintf(fname,"/tmp/RassLast.mvi");
 275                                                                 FILE *fh=fopen(fname,"wb");
 276                                                                 fwrite(buf+ptr,1,item_length-2,fh);
 277                                                                 fclose(fh);
 278                                                                 /*emit*/ m_event(RecvRassSlidePic);
 279                                                                 qdarmvi_show=1;
 280                                                         }
 281                                                 }
 282                                                 if (ctrl&0x08) // delete slide
 283                                                 {
 284                                                         eDebug("delete slide id %lu, item_no %lu", id, item_no);
 285                                                         if (id == 0 || id >= 1000)
 286                                                         {
 287                                                                 eDebug("delete %lu", id);
 288                                                                 removeFromPictureMask(id);
 289                                                                 sprintf(fname,"/tmp/Rass%04d.mvi",(int)id); // was item_no ? ! ?
 290                                                                 remove(fname);
 291                                                         }
 292                                                         else
 293                                                                 eDebug("ignore del interactive picture id %lu", id);
 294                                                 }
 295                                                 break;
 296                                         default: //nothing more yet defined
 297                                                 break;
 298                                 }
 299                         }
 300                         else
 301                         {
 302                                 eDebug("[RDS/Rass] CRC error, skip Rass-Qdar-Item");
 303                         }
 304
 305                         ptr=+item_length;
 306                 }
 307         }
 308         else
 309         {
 310                 eDebug("[RDS/Rass] No Rass-QDAR archive (%02X %02X) so skipping !\n",buf[0],buf[1]);
 311         }
 312 }
 313
 314 inline void eDVBRdsDecoder::gotAncillaryData(__u8 *buf, int len)
 315 {
 316         int cnt=buf[--len];
 317         while ( cnt-- > 0 )
 318         {
 319                 unsigned char c = buf[--len];
 320
 321                 if (bsflag == 1) // byte stuffing
 322                 {
 323                         bsflag=2;
 324                         switch (c)
 325                         {
 326                                 case 0x00: c=0xFD; break;
 327                                 case 0x01: c=0xFE; break;
 328                                 case 0x02: c=0xFF; break;
 329                         }
 330                 }
 331
 332                 if (c == 0xFD && bsflag ==0)
 333                         bsflag=1;
 334                 else
 335                         bsflag=0;
 336
 337                 if (bsflag == 0)
 338                 {
 339                         if ( state == 1 )
 340                                 crc=0xFFFF;
 341                         if (( state >= 1 && state < 11 ) || ( state >=26 && state < 36 ))
 342                                 crc = crc_ccitt_byte(crc, c);
 343
 344                         switch (state)
 345                         {
 346                                 case 0:
 347                                         if ( c==0xFE )  // Startkennung
 348                                                 state=1;
 349                                         break;
 350                                 case 1: // 10bit Site Address + 6bit Encoder Address
 351                                 case 2:
 352                                 case 3: // Sequence Counter
 353                                         ++state;
 354                                         break;
 355                                 case 4:
 356                                         leninfo=c;
 357                                         ++state;
 358                                         break;
 359                                 case 5:
 360                                         switch (c)
 361                                         {
 362                                                 case 0x0A: // Radiotext
 363                                                         ++state;
 364                                                         break;
 365                                                 case 0x46: // Radiotext Plus tags
 366                                                         state=38;
 367                                                         break;
 368                                                 case 0xDA: // Rass
 369                                                         state=26;
 370                                                         break;
 371                                                 default: // reset to state 0
 372                                                         state=0;
 373                                         }
 374                                         break;
 375
 376                                         // process Radiotext
 377                                 case 6: // Data Set Number ... ignore
 378                                 case 7: // Program Service Number ... ignore
 379                                         ++state;
 380                                         break;
 381                                 case 8: // Message Element Length
 382                                         text_len=c;
 383                                         if ( !text_len || text_len > 65 || text_len > leninfo-4)
 384                                                 state=0;
 385                                         else
 386                                         {
 387                                                 ++state;
 388                                                 text_len-=2;
 389                                                 msgPtr=0;
 390                                         }
 391                                         break;
 392                                 case 9: // Radio Text Status bit:
 393                                         // 0   = AB-flagcontrol
 394                                         // 1-4 = Transmission-Number
 395                                         // 5-6 = Buffer-Config
 396                                         ++state; // ignore ...
 397                                         break;
 398                                 case 10:
 399                                         // TODO build a complete radiotext charcode to UTF8 conversion table for all character > 0x80
 400                                         switch (c)
 401                                         {
 402                                                 case 0 ... 0x7f: break;
 403                                                 case 0x8d: c='ß'; break;
 404                                                 case 0x91: c='ä'; break;
 405                                                 case 0xd1: c='Ä'; break;
 406                                                 case 0x97: c='ö'; break;
 407                                                 case 0xd7: c='Ö'; break;
 408                                                 case 0x99: c='ü'; break;
 409                                                 case 0xd9: c='Ü'; break;
 410                                                 default: c=' '; break;  // convert all unknown to space
 411                                         }
 412                                         message[msgPtr++]=c;
 413                                         if(text_len)
 414                                                 --text_len;
 415                                         else
 416                                                 ++state;
 417                                         break;
 418                                 case 11:
 419                                         crc16=c<<8;
 420                                         ++state;
 421                                         break;
 422                                 case 12:
 423                                         crc16|=c;
 424                                         message[msgPtr--]=0;
 425                                         while(message[msgPtr] == ' ' && msgPtr > 0)
 426                                                 message[msgPtr--] = 0;
 427                                         if ( crc16 == (crc^0xFFFF) )
 428                                         {
 429                                                 eDebug("radiotext: (%s)", message);
 430                                                 /*emit*/ m_event(RadioTextChanged);
 431                                                 memcpy(lastmessage,message,66);
 432                                         }
 433                                         else
 434                                                 eDebug("invalid radiotext crc (%s)", message);
 435                                         state=0;
 436                                         break;
 437
 438                                 // process Rass
 439                                 case 26: //MEL
 440                                         text_len = c;
 441                                         text_len2 = c;
 442                                         ++state;
 443                                         text_len-=9;
 444                                         text_len2-=9;
 445                                         t_ptr=0;
 446                                         break;
 447                                 case 27: // SID not used atm
 448                                         ++state;
 449                                         break;
 450                                 case 28: // SID not used atm
 451                                         ++state;
 452                                         break;
 453                                 case 29: // PNR packet number
 454                                         part=c<<16;
 455                                         ++state;
 456                                         break;
 457                                 case 30: // PNR packet number
 458                                         part|=c<<8;
 459                                         ++state;
 460                                         break;
 461                                 case 31: // PNR packet number
 462                                         part|=c;
 463                                         ++state;
 464                                         break;
 465                                 case 32: // NOP number of packets
 466                                         parts=c<<16;
 467                                         ++state;
 468                                         break;
 469                                 case 33: // NOP number of packets
 470                                         parts|=c<<8;
 471                                         ++state;
 472                                         break;
 473                                 case 34: // NOP number of packets
 474                                         parts|=c;
 475                                         ++state;
 476                                         break;
 477                                 case 35:
 478                                         datamessage[t_ptr++]=c;
 479                                         if(text_len)
 480                                                 --text_len;
 481                                         else
 482                                                 ++state;
 483                                         break;
 484                                 case 36:
 485                                         crc16=c<<8;
 486                                         ++state;
 487                                         break;
 488                                 case 37:
 489                                         crc16|=c;
 490                                         //eDebug("[RDS/Rass] CRC read: %04X CRC calculated: %04X",crc16,crc^0xFFFF);
 491                                         state=0;
 492                                         if ( crc16 == (crc^0xFFFF) )
 493                                         {
 494                                                 if (partcnt == -1)
 495                                                         partcnt=1;
 496                                                 if (partcnt == part)
 497                                                 {
 498                                                         memcpy(qdar+qdar_pos,datamessage,text_len2+1);
 499                                                         qdar_pos=qdar_pos+text_len2+1;
 500                                                         if (partcnt == parts)
 501                                                         {
 502                                                                 process_qdar(qdar); // decode qdar archive
 503                                                                 qdar_pos=0;
 504                                                                 partcnt=-1;
 505                                                         }
 506                                                         else
 507                                                                 ++partcnt;
 508                                                 }
 509                                                 else
 510                                                 {
 511                                                         qdar_pos=0;
 512                                                         partcnt=-1;
 513                                                 }
 514                                         }
 515                                         else
 516                                         {
 517                                                 eDebug("[RDS/Rass] CRC error, skip Rass-Qdar-Packet");
 518                                                 eDebug("[RDS/Rass] CRC read: %04X CRC calculated: %04X",crc16,crc^0xFFFF);
 519                                                 partcnt=-1;
 520                                         }
 521                                         state=0;
 522                                         break;
 523
 524                                 // process RT plus tags ...
 525                                 case 38: // Message Element Length
 526                                         text_len=c;
 527                                         ++state;
 528                                         break;
 529                                 case 39: // Application ID
 530                                 case 40: // always 0x4BD7 so we ignore it ;)
 531                                 case 41: // Applicationgroup Typecode/PTY ... ignore
 532                                         ++state;
 533                                         break;
 534                                 case 42:
 535                                         rtp_buf[0]=c;
 536                                         ++state;
 537                                         break;
 538                                 case 43:
 539                                         rtp_buf[1]=c;
 540                                         ++state;
 541                                         break;
 542                                 case 44:
 543                                         rtp_buf[2]=c;
 544                                         ++state;
 545                                         break;
 546                                 case 45:
 547                                         rtp_buf[3]=c;
 548                                         ++state;
 549                                         break;
 550                                 case 46: // bit 10#4 = Item Togglebit
 551                                         // bit 10#3 = Item Runningbit
 552                                         // Tag1: bit 10#2..11#5 = Contenttype, 11#4..12#7 = Startmarker, 12#6..12#1 = Length
 553                                         rtp_buf[4]=c;
 554                                         if (lastmessage[0] == 0) // no rds message till now ? quit ...
 555                                                 break;
 556                                         int rtp_typ[2],rtp_start[2],rtp_len[2];
 557                                         rtp_typ[0]   = (0x38 & rtp_buf[0]<<3) | rtp_buf[1]>>5;
 558                                         rtp_start[0] = (0x3e & rtp_buf[1]<<1) | rtp_buf[2]>>7;
 559                                         rtp_len[0]   = 0x3f & rtp_buf[2]>>1;
 560                                         // Tag2: bit 12#0..13#3 = Contenttype, 13#2..14#5 = Startmarker, 14#4..14#0 = Length(5bit)
 561                                         rtp_typ[1]   = (0x20 & rtp_buf[2]<<5) | rtp_buf[3]>>3;
 562                                         rtp_start[1] = (0x38 & rtp_buf[3]<<3) | rtp_buf[4]>>5;
 563                                         rtp_len[1]   = 0x1f & rtp_buf[4];
 564
 565                                         unsigned char rtplus_osd_tmp[64];
 566
 567                                         if (rtp_start[0] < 66 && (rtp_len[0]+rtp_start[0]) < 66)
 568                                         {
 569                                                 memcpy(rtp_item[rtp_typ[0]],lastmessage+rtp_start[0],rtp_len[0]+1);
 570                                                 rtp_item[rtp_typ[0]][rtp_len[0]+1]=0;
 571                                         }
 572
 573                                         if (rtp_typ[0] != rtp_typ[1])
 574                                         {
 575                                                 if (rtp_start[1] < 66 && (rtp_len[1]+rtp_start[1]) < 66)
 576                                                 {
 577                                                         memcpy(rtp_item[rtp_typ[1]],lastmessage+rtp_start[1],rtp_len[1]+1);
 578                                                         rtp_item[rtp_typ[1]][rtp_len[1]+1]=0;
 579                                                 }
 580                                         }
 581
 582                                         // main RTPlus item_types used by the radio stations:
 583                                         // 1 title
 584                                         // 4 artist
 585                                         // 24 info.date_time
 586                                         // 31 stationname
 587                                         // 32 program.now
 588                                         // 39 homepage
 589                                         // 41 phone.hotline
 590                                         // 46 email.hotline
 591                                         // todo: make a window to display all saved items ...
 592
 593                                         //create RTPlus OSD for title/artist
 594                                         rtplus_osd[0]=0;
 595
 596                                         if ( rtp_item[4][0] != 0 )//artist
 597                                                 sprintf((char*)rtplus_osd_tmp," (%s)",rtp_item[4]);
 598
 599                                         if ( rtp_item[1][0] != 0 )//title
 600                                                 sprintf((char*)rtplus_osd,"%s%s",rtp_item[1],rtplus_osd_tmp);
 601
 602                                         if ( rtplus_osd[0] != 0 )
 603                                         {
 604                                                 /*emit*/ m_event(RtpTextChanged);
 605                                                 eDebug("RTPlus: %s",rtplus_osd);
 606                                         }
 607
 608                                         state=0;
 609                                         break;
 610                         }
 611                 }
 612         }
 613 }
 614
 615 std::string eDVBRdsDecoder::getRassPicture(int page, int subpage)
 616 {
 617         int val=0;
 618
 619         switch(subpage)
 620         {
 621                 case 0:
 622                         val=page*1000;
 623                         break;
 624                 case 1:
 625                         val=page*1100;
 626                         break;
 627                 case 2:
 628                         val=page*1110;
 629                         break;
 630                 case 3:
 631                         val=page*1111;
 632                         break;
 633         }
 634         char fname[50];
 635         sprintf(fname,"/tmp/Rass%04d.mvi",val);
 636         return fname;
 637 }
 638
 639 int eDVBRdsDecoder::start(int pid)
 640 {
 641         int ret = -1;
 642         if (m_pes_reader && !(ret = m_pes_reader->start(pid)))
 643                 m_abortTimer.startLongTimer(20);
 644         return ret;
 645 }
 646
 647 void eDVBRdsDecoder::abortNonAvail()
 648 {
 649         eDebug("no ancillary data in audio stream... abort radiotext pes parser");
 650         if (m_pes_reader)
 651                 m_pes_reader->stop();
 652 }
 653
 654 ePyObject eDVBRdsDecoder::getRassPictureMask()
 655 {
 656         ePyObject ret = PyTuple_New(5);
 657         PyTuple_SET_ITEM(ret, 0, PyInt_FromLong(rass_picture_mask[0]));
 658         PyTuple_SET_ITEM(ret, 1, PyInt_FromLong(rass_picture_mask[1]));
 659         PyTuple_SET_ITEM(ret, 2, PyInt_FromLong(rass_picture_mask[2]));
 660         PyTuple_SET_ITEM(ret, 3, PyInt_FromLong(rass_picture_mask[3]));
 661         PyTuple_SET_ITEM(ret, 4, PyInt_FromLong(rass_picture_mask[4]));
 662         return ret;
 663 }