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