libmpdemux/demux_ty_osd.c

   1 // Most of this was written by mbm@linux.com and released on the GPL2 License.
   2 //
   3 // Modifications and SEVERE cleanup of the code was done by
   4 // Christopher Wingert
   5 // Copyright 2003
   6 //
   7 // Released under GPL2 License.
   8
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11 #include <unistd.h>
  12 #include <time.h>
  13 #include <stdarg.h>
  14 #include <string.h>
  15
  16 #include "config.h"
  17 #include "mp_msg.h"
  18 #include "help_mp.h"
  19
  20 //#include "stream.h"
  21 //#include "demuxer.h"
  22 //#include "parse_es.h"
  23 //#include "stheader.h"
  24 //#include "mp3_hdr.h"
  25 //#include "subreader.h"
  26 #include "sub_cc.h"
  27 #include "libvo/sub.h"
  28
  29 //#include "dvdauth.h"
  30
  31 extern int sub_justify;
  32
  33 #define TY_TEXT_MODE        ( 1 << 0 )
  34 #define TY_OSD_MODE         ( 1 << 1 )
  35
  36 static int TY_OSD_flags = TY_TEXT_MODE | TY_OSD_MODE;
  37 static int TY_OSD_debug = 0;
  38
  39 // ===========================================================================
  40 // Closed Caption Decoding and OSD Presentation
  41 // ===========================================================================
  42 #define TY_CCNONE     ( -3 )
  43 #define TY_CCTEXTMODE ( -2 )
  44 #define TY_CCPOPUPNB  ( -1 )
  45 #define TY_CCPOPUP    (  0 )
  46 #define TY_CCPAINTON  (  1 )
  47
  48 #define TY_CC_MAX_X   ( 45 )
  49
  50 static int      TY_CC_CUR_X;
  51 static int      TY_CC_CUR_Y;
  52 static int      TY_CC_stat = TY_CCNONE;
  53 static char     TY_CC_buf[ 255 ];
  54 static char     *TY_CC_ptr = TY_CC_buf;
  55 static unsigned TY_CC_lastcap = 0;
  56 static int      TY_CC_TextItalic;
  57 static int      TY_CC_Y_Offset;
  58
  59 static subtitle ty_OSD1;
  60 static subtitle ty_OSD2;
  61 static subtitle *ty_pOSD1;
  62 static subtitle *ty_pOSD2;
  63 static int             tyOSDInited = 0;
  64 static int             tyOSDUpdate = 0;
  65
  66 static void ty_DrawOSD(void)
  67 {
  68         // printf( "Calling ty_DrawOSD()\n" );
  69         tyOSDUpdate = 1;
  70 }
  71
  72 void ty_ClearOSD( int start )
  73 {
  74         int index;
  75         // printf( "Calling ty_ClearOSD()\n" );
  76    for ( index = start ; index < SUB_MAX_TEXT ; index++ )
  77         {
  78                 memset( ty_OSD1.text[ index ], ' ', TY_CC_MAX_X - 1 );
  79                 ty_OSD1.text[ index ][ TY_CC_MAX_X - 1 ] = 0;
  80                 memset( ty_OSD2.text[ index ], ' ', TY_CC_MAX_X - 1 );
  81                 ty_OSD2.text[ index ][ TY_CC_MAX_X - 1 ] = 0;
  82         }
  83 }
  84
  85 static void ty_DrawChar( int *x, int *y, char disChar, int fgColor, int bgColor )
  86 {
  87         int index;
  88    int cx;
  89    int cy;
  90
  91    cx = *x;
  92    cy = *y;
  93
  94         if ( *x >= ( TY_CC_MAX_X - 1 ) )
  95         {
  96       cx = 0;
  97         }
  98         if ( ( *y + TY_CC_Y_Offset ) > SUB_MAX_TEXT )
  99         {
 100            cy = SUB_MAX_TEXT - TY_CC_Y_Offset - 1;
 101    }
 102
 103         // printf( "Calling ty_DrawChar() x:%d y:%d %c fg:%d bg:%d\n",
 104         //      cx, cy, disChar, fgColor, bgColor );
 105
 106    ty_OSD1.text[ TY_CC_Y_Offset + cy ][ cx ] = disChar;
 107    memset( &( ty_OSD1.text[ TY_CC_Y_Offset + cy ][ cx + 1 ] ), ' ',
 108       TY_CC_MAX_X - cx - 2 );
 109         ( *x )++;
 110 }
 111
 112 static void ty_RollupBuf( int dest, int source, int numLines )
 113 {
 114         int index;
 115
 116         // printf( "Calling ty_RollupBuf() dest:%d source %d, numLines %d\n",
 117         //    dest, source, numLines );
 118         //
 119         if ( ( source + TY_CC_Y_Offset + numLines ) > SUB_MAX_TEXT )
 120         {
 121       ty_ClearOSD( 1 );
 122                 return;
 123         }
 124
 125         if ( ( source + TY_CC_Y_Offset + numLines ) < 0 )
 126         {
 127       ty_ClearOSD( 1 );
 128                 return;
 129         }
 130
 131         if ( numLines > SUB_MAX_TEXT )
 132         {
 133       ty_ClearOSD( 1 );
 134                 return;
 135         }
 136
 137         for ( index = 0 ; index < numLines ; index++ )
 138         {
 139                 strcpy( ty_OSD1.text[ TY_CC_Y_Offset + dest ],
 140                         ty_OSD1.text[ TY_CC_Y_Offset + source ] );
 141            dest++;
 142                 source++;
 143         }
 144         memset( ty_OSD1.text[ TY_CC_Y_Offset + source - 1 ], ' ', TY_CC_MAX_X - 1 );
 145         ty_OSD1.text[ TY_CC_Y_Offset + source - 1 ][ TY_CC_MAX_X - 1 ] = 0;
 146 }
 147
 148 static void ty_drawchar( char c )
 149 {
 150    if ( c < 2 ) return;
 151
 152    if ( TY_OSD_flags & TY_OSD_MODE && TY_CC_stat != TY_CCNONE &&
 153       TY_CC_CUR_Y != -1 )
 154       ty_DrawChar( &TY_CC_CUR_X, &TY_CC_CUR_Y, c, 4, 13 );
 155
 156    if ( TY_CC_ptr - TY_CC_buf > sizeof( TY_CC_buf ) - 1 )
 157    {        // buffer overflow
 158       TY_CC_ptr = TY_CC_buf;
 159       memset( TY_CC_buf, 0, sizeof( TY_CC_buf ) );
 160    }
 161    *( TY_CC_ptr++ ) = ( c == 14 ) ? '/' : c; // swap a '/' for musical note
 162 }
 163
 164 static void ty_draw(void)
 165 {
 166    if ( TY_CC_ptr != TY_CC_buf && TY_OSD_flags & TY_TEXT_MODE )
 167    {
 168       if ( *( TY_CC_ptr - 1 ) == '\n' ) *( TY_CC_ptr - 1 ) = 0;
 169
 170       mp_msg( MSGT_DEMUX, MSGL_V, "CC: %s\n", TY_CC_buf );
 171   }
 172   TY_CC_lastcap = time( NULL );
 173
 174   TY_CC_ptr = TY_CC_buf;
 175   memset( TY_CC_buf, 0, sizeof( TY_CC_buf) );
 176
 177   if ( TY_OSD_flags & TY_OSD_MODE ) ty_DrawOSD();
 178   if ( TY_CC_TextItalic ) TY_CC_TextItalic = 0;
 179 }
 180
 181
 182 static int CC_last = 0;
 183 static char CC_mode = 0;
 184 static int CC_row[] =
 185 {
 186    11, -1, 1, 2, 3, 4, 12, 13, 14, 15, 5, 6, 7, 8, 9, 10
 187 };
 188
 189 // char specialchar[] = { '®', '°', '½', '¿', '*', '¢', '£', 14, 'à', ' ', 'è', 'â', 'ê', 'î', 'ô', 'û' };
 190
 191 static int ty_CCdecode( char b1, char b2 )
 192 {
 193    int x;
 194    int data = ( b2 << 8 ) + b1;
 195
 196    if ( b1 & 0x60 )                // text
 197    {
 198        if ( !TY_OSD_debug && TY_CC_stat == TY_CCNONE ) return 0;
 199        if ( TY_OSD_debug > 3 )
 200        {
 201           mp_msg( MSGT_DEMUX, MSGL_DBG3, "%c %c", b1, b2 );
 202        }
 203        ty_drawchar( b1 );
 204        ty_drawchar( b2 );
 205
 206        if ( TY_CC_stat > 0 && TY_OSD_flags & TY_OSD_MODE ) ty_DrawOSD();
 207    }
 208    else if ( ( b1 & 0x10 ) && ( b2 > 0x1F ) && ( data != CC_last ) )
 209    {
 210       #define CURRENT ( ( b1 & 0x08 ) >> 3 )
 211
 212       if ( CC_mode != CURRENT && TY_CC_stat != TY_CCNONE )
 213       {
 214          if ( TY_OSD_debug && TY_CC_ptr != TY_CC_buf ) ty_draw();
 215          TY_CC_stat = TY_CCNONE;
 216          return 0;
 217       }
 218
 219       if ( TY_CC_stat == TY_CCNONE || TY_CC_CUR_Y == -1 )
 220       {
 221          if ( TY_CC_ptr != TY_CC_buf )
 222          {
 223             if ( TY_OSD_debug )
 224                mp_msg( MSGT_DEMUX, MSGL_DBG3, "(TY_OSD_debug) %s\n",
 225                   TY_CC_buf );
 226             TY_CC_ptr = TY_CC_buf;
 227             memset(TY_CC_buf, 0, sizeof(TY_CC_buf));
 228          }
 229
 230          if ( CC_mode != CURRENT ) return 0;
 231       }
 232
 233       // preamble address code (row & indent)
 234       if ( b2 & 0x40 )
 235       {
 236          TY_CC_CUR_Y = CC_row[ ( ( b1 << 1 ) & 14 ) | ( ( b2 >> 5 ) & 1 ) ];
 237
 238                         // Offset into MPlayer's Buffer
 239                         if ( ( TY_CC_CUR_Y >= 1 ) && ( TY_CC_CUR_Y <= 4 ) )
 240                         {
 241                                 TY_CC_Y_Offset = SUB_MAX_TEXT - 5 - 1;
 242                         }
 243                         if ( ( TY_CC_CUR_Y >= 5 ) && ( TY_CC_CUR_Y <= 10 ) )
 244                         {
 245                                 TY_CC_Y_Offset = SUB_MAX_TEXT - 5 - 5;
 246                         }
 247                         if ( ( TY_CC_CUR_Y >= 12 ) && ( TY_CC_CUR_Y <= 15 ) )
 248                         {
 249                                 TY_CC_Y_Offset = SUB_MAX_TEXT - 5 - 12;
 250                         }
 251
 252          if ( TY_OSD_debug > 3 )
 253             mp_msg( MSGT_DEMUX, MSGL_DBG3, "<< preamble %d >>\n", TY_CC_CUR_Y );
 254
 255          // we still have something in the text buffer
 256          if (TY_CC_ptr != TY_CC_buf)
 257          {
 258             *(TY_CC_ptr++) = '\n';
 259             if ( TY_CC_TextItalic )
 260             {
 261                TY_CC_TextItalic = 0;
 262             }
 263          }
 264
 265          TY_CC_CUR_X = 1;
 266          // row contains indent flag
 267          if ( b2 & 0x10 )
 268          {
 269             for ( x = 0 ; x < ( ( b2 & 0x0F ) << 1 ) ; x++ )
 270             {
 271                TY_CC_CUR_X++;
 272                *(TY_CC_ptr++) = ' ';
 273             }
 274          }
 275       }
 276       else
 277       // !(b2 & 0x40)
 278       {
 279          if ( TY_OSD_debug > 3 )
 280             mp_msg( MSGT_DEMUX, MSGL_DBG3, "<< %02x >>\n", b1 & 0x7 );
 281          switch (b1 & 0x07)
 282          {
 283             case 0x00:                      // attribute
 284                                 {
 285                if ( TY_OSD_debug > 1 )
 286                   mp_msg( MSGT_DEMUX, MSGL_DBG3, "<<A: %d>>\n", b2 );
 287                break;
 288                                 }
 289             case 0x01:                      // midrow or char
 290                                 {
 291                switch (b2 & 0x70)
 292                {
 293                   case 0x20:                // midrow attribute change
 294                   {
 295                      switch (b2 & 0x0e)
 296                      {
 297                         case 0x00:          // italics off
 298                         {
 299                            TY_CC_TextItalic = 0;
 300                            *(TY_CC_ptr++) = ' ';
 301                            break;
 302                         }
 303                         case 0x0e:          // italics on
 304                         {
 305                            ty_drawchar(' ');
 306                            TY_CC_TextItalic = 1;
 307                            break;
 308                         }
 309                         default:
 310                         {
 311                            if ( TY_OSD_debug > 1 )
 312                               mp_msg( MSGT_DEMUX, MSGL_DBG3, "<<D: %d>>\n",
 313                                  b2 & 0x0e );
 314                         }
 315                      }
 316                      if ( b2 & 0x01 )
 317                      {
 318                         // TextUnderline = 1;
 319                      }
 320                      else
 321                      {
 322                         // TextUnderline = 0;
 323                      }
 324                      break;
 325                   }
 326                   case 0x30:                // special character..
 327                   {
 328                      // transparent space
 329                      if ( ( b2 & 0x0f ) == 9 )
 330                      {
 331                         TY_CC_CUR_X++;
 332                         *(TY_CC_ptr++) = ' ';
 333                      }
 334                      else
 335                      {
 336                         // ty_drawchar(specialchar[ b2 & 0x0f ] );
 337                         ty_drawchar( ' ' );
 338                      }
 339                      break;
 340                   }
 341                }
 342                break;
 343                                 }
 344
 345             case 0x04:                      // misc
 346             case 0x05:                      // misc + F
 347                                 {
 348                if ( TY_OSD_debug > 3 )
 349                   mp_msg( MSGT_DEMUX, MSGL_DBG3, "<< misc %02x >>\n", b2 );
 350                switch ( b2 )
 351                {
 352                   case 0x20:                // resume caption (new caption)
 353                   {
 354                      if ( TY_OSD_flags & TY_OSD_MODE &&
 355                         TY_CC_stat != TY_CCPOPUP )
 356                                                                 ty_ClearOSD( 1 );
 357                      TY_CC_stat = TY_CCPOPUP;
 358                      break;
 359                   }
 360
 361                   case 0x21:                // backspace
 362                   {
 363                      TY_CC_CUR_X--;
 364                      break;
 365                   }
 366
 367                   case 0x25 ... 0x27:       // 2-4 row captions
 368                   {
 369                      if ( TY_CC_stat == TY_CCPOPUP ) ty_ClearOSD( 1 );
 370                      TY_CC_stat = b2 - 0x23;
 371                      if ( TY_CC_CUR_Y < TY_CC_stat ) TY_CC_CUR_Y = TY_CC_stat;
 372                      break;
 373                   }
 374
 375                   case 0x29:                // resume direct caption
 376                   {
 377                      TY_CC_stat = TY_CCPAINTON;
 378                      break;
 379                   }
 380
 381                   case 0x2A:                // text restart
 382                   {
 383                      ty_draw();
 384                      /* FALL */
 385                   }
 386
 387                   case 0x2B:                // resume text display
 388                   {
 389                      TY_CC_stat = TY_CCTEXTMODE;
 390                      break;
 391                   }
 392
 393                   case 0x2C:                // erase displayed memory
 394                   {
 395                      TY_CC_lastcap = 0;
 396                      if ( TY_OSD_flags & TY_OSD_MODE )
 397                      {
 398                         if ( TY_CC_stat > TY_CCPOPUP || TY_CC_ptr == TY_CC_buf )
 399                         {
 400                            ty_ClearOSD( 1 );
 401                            ty_draw();
 402                         }
 403                         else
 404                         {
 405                            ty_ClearOSD( 1 );
 406
 407                            // CRW -
 408                            // new buffer
 409                            // Used to be a buffer swap here, dunno why
 410                         }
 411                      }
 412                      break;
 413                   }
 414
 415                   case 0x2D:                // carriage return
 416                   {
 417                      ty_draw();
 418                      TY_CC_CUR_X = 1;
 419                      if ( TY_OSD_flags & TY_OSD_MODE )
 420                      {
 421                         if ( TY_CC_stat > TY_CCPAINTON )
 422                            ty_RollupBuf
 423                            (
 424                               TY_CC_CUR_Y - TY_CC_stat + 1 ,
 425                               TY_CC_CUR_Y - TY_CC_stat + 2,
 426                               TY_CC_stat - 1
 427                             );
 428                         else
 429                            TY_CC_CUR_Y++;
 430                       }
 431                       break;
 432                   }
 433
 434                   case 0x2F:                // end caption + swap memory
 435                   {
 436                      ty_draw();
 437                      /* FALL THROUGH TO 0x2E */
 438                   }
 439
 440                   case 0x2E:                // erase non-displayed memory
 441                   {
 442                      if ( TY_OSD_debug && TY_CC_ptr != TY_CC_buf )
 443                         mp_msg( MSGT_DEMUX, MSGL_DBG3, "(TY_OSD_debug) %s\n",
 444                            TY_CC_buf );
 445                      if ( TY_OSD_flags & TY_OSD_MODE ) ty_ClearOSD( 1 );
 446
 447                      TY_CC_CUR_X = 1;
 448                      TY_CC_CUR_Y = -1;
 449
 450                      TY_CC_ptr = TY_CC_buf;
 451                      memset( TY_CC_buf, 0, sizeof( TY_CC_buf ) );
 452                   }
 453                }
 454                break;
 455                                 }
 456             case 0x07:                      // misc (TAB)
 457             {
 458                for ( x = 0 ; x < ( b2 - 0x20 ) ; x++ )
 459                   TY_CC_CUR_X++;
 460                break;
 461             }
 462          }
 463       }
 464    }
 465    CC_last = data;
 466    return 0;
 467 }
 468
 469 // ===========================================================================
 470 // Extended Data Service Decoding and OSD Presentation
 471 // ===========================================================================
 472 #define XDS_BUFFER_LENGTH     ( 16 )
 473 #define XDS_DISPLAY_FRAMES    ( 120 )
 474 static char *ty_XDS_Display[ XDS_BUFFER_LENGTH ];
 475 static int ty_XDSAddLine = -1;
 476 static int ty_XDSDisplayCount = -1;
 477
 478
 479 static void ty_AddXDSToDisplay( char *format, ... )
 480 {
 481    char line[ 80 ];
 482    int  index;
 483    va_list ap;
 484
 485    if ( ty_XDSAddLine == -1 )
 486    {
 487       for( index = 0 ; index < XDS_BUFFER_LENGTH ; index++ )
 488       {
 489          ty_XDS_Display[ index ] = 0;
 490       }
 491       ty_XDSAddLine = 0;
 492    }
 493
 494    va_start( ap, format );
 495    vsnprintf( line, 80, format, ap );
 496    va_end( ap );
 497    mp_msg( MSGT_DEMUX, MSGL_V, "XDS: %s\n", line );
 498
 499    if ( ty_XDSAddLine == XDS_BUFFER_LENGTH )
 500    {
 501       mp_msg( MSGT_DEMUX, MSGL_ERR, "XDS Buffer would have been blown\n" );
 502    }
 503
 504    if ( ty_XDS_Display[ ty_XDSAddLine ] != 0 )
 505    {
 506       free( ty_XDS_Display[ ty_XDSAddLine ] );
 507       ty_XDS_Display[ ty_XDSAddLine ] = 0;
 508    }
 509
 510    ty_XDS_Display[ ty_XDSAddLine ] = malloc( strlen( line ) + 1 );
 511    strcpy( ty_XDS_Display[ ty_XDSAddLine ], line );
 512    ty_XDSAddLine++;
 513 }
 514
 515
 516 static void ty_DisplayXDSInfo(void)
 517 {
 518    int index;
 519    int size;
 520
 521    if ( ty_XDSDisplayCount == -1 )
 522    {
 523       for( index = 0 ; index < XDS_BUFFER_LENGTH ; index++ )
 524       {
 525          if ( ty_XDS_Display[ index ] != 0 )
 526          {
 527             break;
 528          }
 529       }
 530       if ( index != XDS_BUFFER_LENGTH )
 531       {
 532          size =  strlen( ty_XDS_Display[ index ] );
 533
 534          // Right Justify the XDS Stuff
 535          memcpy( &( ty_OSD1.text[ 0 ][ TY_CC_MAX_X - size - 1 ] ),
 536             ty_XDS_Display[ index ], size );
 537          free( ty_XDS_Display[ index ] );
 538          ty_XDS_Display[ index ] = 0;
 539          ty_XDSDisplayCount = 0;
 540          tyOSDUpdate = 1;
 541
 542       }
 543       else
 544       {
 545          // We cleaned out all the XDS stuff to be displayed
 546          ty_XDSAddLine = 0;
 547       }
 548    }
 549    else
 550    {
 551       // We displayed that piece of XDS information long enough
 552       // Let's move on
 553       ty_XDSDisplayCount++;
 554       if ( ty_XDSDisplayCount >= XDS_DISPLAY_FRAMES )
 555       {
 556                    memset( ty_OSD1.text[ 0 ], ' ', TY_CC_MAX_X - 1 );
 557                       ty_OSD1.text[ 0 ][ TY_CC_MAX_X - 1 ] = 0;
 558          ty_XDSDisplayCount = -1;
 559          tyOSDUpdate = 1;
 560       }
 561    }
 562 }
 563
 564
 565 static int  TY_XDS_mode = 0;
 566 static int  TY_XDS_type = 0;
 567 static int  TY_XDS_length = 0;
 568 static char TY_XDS_checksum = 0;
 569
 570 // Array of [ Mode ][ Type ][ Length ]
 571 static char TY_XDS    [ 8 ][ 25 ][ 34 ];
 572 static char TY_XDS_new[ 8 ][ 25 ][ 34 ];
 573
 574 // Array of [ MPAARating|TVRating ][ NumberRatings ]
 575 static char *TY_XDS_CHIP[ 2 ][ 8 ] =
 576 {
 577    { "(NOT APPLICABLE)", "G", "PG", "PG-13", "R", "NC-17", "X", "(NOT RATED)" },
 578    { "(NOT RATED)", "TV-Y", "TV-Y7", "TV-G", "TV-PG", "TV-14", "TV-MA",
 579       "(NOT RATED)" }
 580 };
 581
 582 static char *TY_XDS_modes[] =
 583 {
 584   "CURRENT",                        // 01h-02h current program
 585   "FUTURE ",                        // 03h-04h future program
 586   "CHANNEL",                        // 05h-06h channel
 587   "MISC.  ",                        // 07h-08h miscellaneous
 588   "PUBLIC ",                        // 09h-0Ah public service
 589   "RESERV.",                        // 0Bh-0Ch reserved
 590   "UNDEF. ",
 591   "INVALID",
 592   "INVALID",
 593   "INVALID"
 594 };
 595
 596 static int ty_XDSdecode( char b1, char b2 )
 597 {
 598    char line[ 80 ];
 599
 600    if ( b1 < 0x0F )
 601    {                                        // start packet
 602       TY_XDS_length = 0;
 603       TY_XDS_mode = b1 >> 1;                // every other mode is a resume
 604       TY_XDS_type = b2;
 605       TY_XDS_checksum = b1 + b2;
 606       return 0;
 607    }
 608
 609    TY_XDS_checksum += b1 + b2;
 610
 611    // eof (next byte is checksum)
 612    if ( b1 == 0x0F )
 613    {
 614       // validity check
 615       if ( !TY_XDS_length || TY_XDS_checksum & 0x7F )
 616       {
 617          if ( TY_OSD_debug > 3 && !TY_XDS_length )
 618          {
 619             mp_msg( MSGT_DEMUX, MSGL_DBG3,
 620                "%% TY_XDS CHECKSUM ERROR (ignoring)\n" );
 621          }
 622          else
 623          {
 624             TY_XDS_mode = 0;
 625             TY_XDS_type = 0;
 626             return 1;
 627          }
 628       }
 629
 630       // check to see if the data has changed.
 631       if ( strncmp( TY_XDS[ TY_XDS_mode ][ TY_XDS_type ],
 632          TY_XDS_new[ TY_XDS_mode ][ TY_XDS_type ], TY_XDS_length - 1 ) )
 633       {
 634          char *TY_XDS_ptr = TY_XDS[ TY_XDS_mode ][ TY_XDS_type ];
 635
 636          TY_XDS_ptr[ TY_XDS_length ] = 0;
 637          memcpy( TY_XDS[ TY_XDS_mode ][ TY_XDS_type ],
 638             TY_XDS_new[ TY_XDS_mode ][ TY_XDS_type ], TY_XDS_length );
 639
 640          // nasty hack: only print time codes if seconds are 0
 641          if ( TY_XDS_mode == 3 && TY_XDS_type == 1 &&
 642             !( TY_XDS_new[ 3 ][ 1 ][ 3 ] & 0x20 ) )
 643                         {
 644             return 0;
 645                         }
 646          if ( TY_XDS_mode == 0 && TY_XDS_type == 2 &&
 647             ( TY_XDS_new[ 0 ][ 2 ][ 4 ] & 0x3f ) > 1 )
 648                         {
 649             return 0;
 650                         }
 651
 652          mp_msg( MSGT_DEMUX, MSGL_DBG3, "%% %s ", TY_XDS_modes[ TY_XDS_mode ] );
 653
 654          line[ 0 ] = 0;
 655          // printf( "XDS Code %x\n",
 656                         //    ( TY_XDS_mode << 9 ) + TY_XDS_type + 0x100 );
 657          switch ( ( TY_XDS_mode << 9 ) + TY_XDS_type + 0x100 )
 658          {
 659             // cases are specified in 2 bytes hex representing mode, type.
 660             // TY_XDS_ptr will point to the current class buffer
 661             case 0x0101:                    // current
 662             case 0x0301:                    // future
 663             {
 664                char *mon[] =
 665                {
 666                   "0", "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul",
 667                   "Aug", "Sep", "Oct", "Nov", "Dec", "13", "14", "15"
 668                };
 669                ty_AddXDSToDisplay( "AIR DATE: %s %2d %d:%02d:00",
 670                  mon[ TY_XDS_ptr[ 3 ] & 0x0f ],
 671                  TY_XDS_ptr[ 2 ] & 0x1f,
 672                  TY_XDS_ptr[ 1 ] & 0x1f,
 673                  TY_XDS_ptr[ 0 ] & 0x3f
 674                  );
 675
 676                // Program is tape delayed
 677                if ( TY_XDS_ptr[ 3 ] & 0x10 ) ty_AddXDSToDisplay( " TAPE" );
 678             }
 679             break;
 680
 681             case 0x0102:                    // current program length
 682             case 0x0302:                    // future
 683             {
 684                ty_AddXDSToDisplay(
 685                   "DURATION: %d:%02d:%02d of %d:%02d:%02d",
 686                   TY_XDS_ptr[ 3 ] & 0x3f,
 687                   TY_XDS_ptr[ 2 ] & 0x3f,
 688                   TY_XDS_ptr[ 4 ] & 0x3f,
 689                   TY_XDS_ptr[ 1 ] & 0x3f,
 690                   TY_XDS_ptr[ 0 ] & 0x3f, 0);
 691                break;
 692             }
 693
 694             case 0x0103:                    // current program name
 695             case 0x0303:                    // future
 696             {
 697                ty_AddXDSToDisplay( "TITLE: %s", TY_XDS_ptr );
 698                break;
 699             }
 700
 701             case 0x0104:                    // current program type
 702             case 0x0304:                    // future
 703             {
 704                // for now just print out the raw data
 705                // requires a 127 string array to parse
 706                // properly and isn't worth it.
 707                sprintf ( line, "%sGENRE:", line );
 708                {
 709                   int x;
 710                   for ( x = 0 ; x < TY_XDS_length ; x++ )
 711                      sprintf( line, "%s %02x", line, TY_XDS_ptr[ x ] );
 712                }
 713                ty_AddXDSToDisplay( line );
 714                break;
 715             }
 716
 717             case 0x0105:                    // current program rating
 718             case 0x0305:                    // future
 719             {
 720                sprintf( line, "%sRATING: %s", line,
 721                   TY_XDS_CHIP[ ( TY_XDS_ptr[ 0 ] & 0x08 ) >> 3 ]
 722                   [ TY_XDS_ptr[ 1 ] & 0x07 ] );
 723                if ( TY_XDS_ptr[ 0 ] & 0x20 )
 724                   sprintf( line, "%s DIALOGUE", line );
 725                if ( TY_XDS_ptr[ 1 ] & 0x08 )
 726                   sprintf( line, "%s LANGUAGE", line );
 727                if ( TY_XDS_ptr[ 1 ] & 0x10 )
 728                   sprintf( line, "%s SEXUAL", line );
 729                if ( TY_XDS_ptr[ 1 ] & 0x20 )
 730                   sprintf( line, "%s VIOLENCE", line );
 731                ty_AddXDSToDisplay( line );
 732
 733                // raw output for verification.
 734                if ( TY_OSD_debug > 1 )
 735                   mp_msg( MSGT_DEMUX, MSGL_DBG3, " (%02x %02x)",
 736                      TY_XDS_ptr[ 0 ], TY_XDS_ptr[ 1 ] );
 737                break;
 738             }
 739
 740             case 0x0106:                    // current program audio services
 741             case 0x0306:                    // future
 742             {
 743                // requires table, never actually seen it used either
 744                ty_AddXDSToDisplay( "AUDIO: %02x %02x", TY_XDS_ptr[ 0 ],
 745                   TY_XDS_ptr[ 1 ] );
 746                break;
 747             }
 748
 749             case 0x0109:                    // current program aspect ratio
 750             case 0x0309:                    // future
 751             {
 752                // requires table, rare
 753                ty_AddXDSToDisplay( "ASPECT: %02x %02x",
 754                   TY_XDS_ptr[ 0 ], TY_XDS_ptr[ 1 ] );
 755                break;
 756             }
 757
 758             case 0x0110 ... 0x0117:         // program description
 759             {
 760                ty_AddXDSToDisplay( "DESCRIP: %s", TY_XDS_ptr );
 761                break;
 762             }
 763
 764             case 0x0501:                    // channel network name
 765             {
 766                ty_AddXDSToDisplay( "NETWORK: %s", TY_XDS_ptr );
 767                break;
 768             }
 769
 770             case 0x0502:                    // channel network call letters
 771             {
 772                ty_AddXDSToDisplay( "CALLSIGN: %s", TY_XDS_ptr );
 773                break;
 774             }
 775
 776             case 0x0701:                    // misc. time of day
 777             {
 778 #define TIMEZONE          ( TY_XDS[ 3 ][ 4 ][ 0 ] & 0x1f )
 779 #define DST               ( ( TY_XDS[ 3 ][ 4 ][ 0 ] & 0x20 ) >> 5 )
 780                struct tm tm =
 781                {
 782                   .tm_sec = 0,                                // sec
 783                   .tm_min = ( TY_XDS_ptr[ 0 ] & 0x3F ),       // min
 784                   .tm_hour = ( TY_XDS_ptr[ 1 ] & 0x1F ),      // hour
 785                   .tm_mday = ( TY_XDS_ptr[ 2 ] & 0x1F ),      // day
 786                   .tm_mon = ( TY_XDS_ptr[ 3 ] & 0x1f ) - 1,   // month
 787                   .tm_year = ( TY_XDS_ptr[ 5 ] & 0x3f ) + 90, // year
 788                   .tm_wday = 0,                               // day of week
 789                   .tm_yday = 0,                               // day of year
 790                   .tm_isdst = 0,                              // DST
 791                };
 792
 793                time_t time_t = mktime( &tm );
 794                char *timestr;
 795
 796                time_t -= ( ( TIMEZONE - DST ) * 60 * 60 );
 797                timestr = ctime( &time_t );
 798                timestr[ strlen( timestr ) - 1 ] = 0;
 799
 800                sprintf( line, "%sCUR.TIME: %s ", line, timestr );
 801                if ( TY_XDS[ 3 ][ 4 ][ 0 ] )
 802                {
 803                   sprintf( line, "%sUTC-%d", line, TIMEZONE );
 804                   if (DST) sprintf( line, "%s DST", line );
 805                }
 806                else
 807                   sprintf( line, "%sUTC", line );
 808
 809                ty_AddXDSToDisplay( line );
 810
 811                break;
 812             }
 813
 814             case 0x0704:                    //misc. local time zone
 815             {
 816                sprintf( line, "%sTIMEZONE: UTC-%d",
 817                   line, TY_XDS_ptr[ 0 ] & 0x1f );
 818                if ( TY_XDS_ptr[ 0 ] & 0x20 ) sprintf( line, "%s DST", line );
 819                ty_AddXDSToDisplay( line );
 820                break;
 821             }
 822
 823             default:
 824             {
 825                mp_msg( MSGT_DEMUX, MSGL_DBG3, "UNKNOWN CLASS %d TYPE %d",
 826                   ( TY_XDS_mode << 1 ) + 1, TY_XDS_type );
 827               if ( TY_OSD_debug > 1 )
 828               {
 829                   int x;
 830                   mp_msg( MSGT_DEMUX, MSGL_DBG3, "\nDUMP:\n" );
 831                   for ( x = 0 ; x < TY_XDS_length ; x++ )
 832                     mp_msg( MSGT_DEMUX, MSGL_DBG3, " %02x %c",
 833                        TY_XDS_ptr[ x ], TY_XDS_ptr[ x ] );
 834                   mp_msg( MSGT_DEMUX, MSGL_DBG3, "\n" );
 835                }
 836             }
 837          }
 838          if ( TY_OSD_debug > 1 )
 839             mp_msg( MSGT_DEMUX, MSGL_DBG3, " (%d)", TY_XDS_length );
 840       }
 841       TY_XDS_mode = 0;
 842       TY_XDS_type = 0;
 843    }
 844    else if ( TY_XDS_length < 34 )
 845    {
 846       TY_XDS_new[ TY_XDS_mode ][ TY_XDS_type ][ TY_XDS_length++ ] = b1;
 847       TY_XDS_new[ TY_XDS_mode ][ TY_XDS_type ][ TY_XDS_length++ ] = b2;
 848    }
 849    return 0;
 850 }
 851
 852
 853 // 42 x 10
 854 static char *testline = "0123456789012345678901234567890123456789012";
 855
 856 // ===========================================================================
 857 // Callback from Video Display Processing to put up the OSD
 858 // ===========================================================================
 859 void ty_processuserdata( unsigned char* buf, int len )
 860 {
 861         int index;
 862
 863         sub_justify = 1;
 864
 865         if ( subcc_enabled )
 866         {
 867                 if ( tyOSDInited == 0 )
 868                 {
 869                         for ( index = 0; index < SUB_MAX_TEXT ; index++ )
 870                         {
 871                                 ty_OSD1.text[ index ] = malloc( TY_CC_MAX_X );
 872                                 ty_OSD2.text[ index ] = malloc( TY_CC_MAX_X );
 873                         }
 874                         ty_ClearOSD( 0 );
 875                         ty_OSD1.lines = SUB_MAX_TEXT;
 876                         ty_OSD2.lines = SUB_MAX_TEXT;
 877                         ty_pOSD1 = &ty_OSD1;
 878                         ty_pOSD2 = &ty_OSD2;
 879                         tyOSDUpdate = 0;
 880                         tyOSDInited = 1;
 881                 }
 882
 883                 if ( buf[ 0 ] == 0x01 )
 884                 {
 885                         ty_CCdecode( buf[ 1 ], buf[ 2 ] );
 886                 }
 887                 if ( buf[ 0 ] == 0x02 )
 888                 {
 889                         ty_XDSdecode( buf[ 1 ], buf[ 2 ] );
 890                 }
 891
 892       ty_DisplayXDSInfo();
 893
 894                 if ( tyOSDUpdate )
 895                 {
 896                         // for ( index = 0; index < SUB_MAX_TEXT ; index++ )
 897                         // {
 898          //    printf( "OSD:%d:%s\n", index, ty_OSD1.text[ index ] );
 899          // }
 900                    vo_sub = &ty_OSD1;
 901                 vo_osd_changed( OSDTYPE_SUBTITLE );
 902                         tyOSDUpdate = 0;
 903                 }
 904         }
 905 }
 906
 907
 908