git.sesse.net Git - vlc/blob - modules/demux/real.c

   1 /*****************************************************************************
   2  * real.c: Real demuxer.
   3  *****************************************************************************
   4  * Copyright (C) 2004, 2006-2007 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #include <vlc/vlc.h>
  28
  29
  30 #include <vlc_demux.h>
  31 #include <vlc_charset.h>
  32 #include <vlc_meta.h>
  33
  34 /*****************************************************************************
  35  * Module descriptor
  36  *****************************************************************************/
  37 static int  Open    ( vlc_object_t * );
  38 static void Close  ( vlc_object_t * );
  39
  40 vlc_module_begin();
  41     set_description( _("Real demuxer" ) );
  42     set_capability( "demux2", 15 );
  43     set_category( CAT_INPUT );
  44     set_subcategory( SUBCAT_INPUT_DEMUX );
  45     set_callbacks( Open, Close );
  46     add_shortcut( "real" );
  47     add_shortcut( "rm" );
  48 vlc_module_end();
  49
  50 /*****************************************************************************
  51  * Local prototypes
  52  *****************************************************************************/
  53
  54 typedef struct
  55 {
  56     int         i_id;
  57     es_format_t fmt;
  58
  59     es_out_id_t *p_es;
  60
  61     int         i_frame;
  62     block_t     *p_frame;
  63
  64     int         i_subpacket_h;
  65     int         i_subpacket_size;
  66     int         i_coded_frame_size;
  67     int         i_frame_size;
  68
  69     int         i_subpacket;
  70     int         i_subpackets;
  71     block_t     **p_subpackets;
  72     int         i_out_subpacket;
  73
  74 } real_track_t;
  75
  76 struct demux_sys_t
  77 {
  78     int64_t  i_data_offset;
  79     int64_t  i_data_size;
  80     uint32_t i_data_packets_count;
  81     uint32_t i_data_packets;
  82     int64_t  i_data_offset_next;
  83
  84     int  i_our_duration;
  85     int  i_mux_rate;
  86
  87     char* psz_title;
  88     char* psz_artist;
  89     char* psz_copyright;
  90     char* psz_description;
  91
  92     int          i_track;
  93     real_track_t **track;
  94
  95     uint8_t buffer[65536];
  96
  97     int64_t     i_pcr;
  98 };
  99
 100 static int Demux( demux_t *p_demux );
 101 static int Control( demux_t *p_demux, int i_query, va_list args );
 102
 103 static int HeaderRead( demux_t *p_demux );
 104 static int ReadCodecSpecificData( demux_t *p_demux, int i_len, int i_num );
 105
 106 // Map flavour to bytes per second
 107 static int sipr_fl2bps[4] = {813, 1062, 625, 2000}; // 6.5, 8.5, 5, 16 kbit per second
 108
 109 /*****************************************************************************
 110  * Open
 111  *****************************************************************************/
 112 static int Open( vlc_object_t *p_this )
 113 {
 114     demux_t     *p_demux = (demux_t*)p_this;
 115     demux_sys_t *p_sys;
 116
 117     const uint8_t *p_peek;
 118
 119     if( stream_Peek( p_demux->s, &p_peek, 10 ) < 10 ) return VLC_EGENERIC;
 120     if( memcmp( p_peek, ".RMF", 4 ) ) return VLC_EGENERIC;
 121
 122     /* Fill p_demux field */
 123     p_demux->pf_demux = Demux;
 124     p_demux->pf_control = Control;
 125     p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
 126     memset( p_sys, 0, sizeof( demux_sys_t ) );
 127     p_sys->i_data_offset = 0;
 128     p_sys->i_track = 0;
 129     p_sys->track   = NULL;
 130     p_sys->i_pcr   = 1;
 131
 132
 133     /* Parse the headers */
 134     if( HeaderRead( p_demux ) )
 135     {
 136         int i;
 137         msg_Err( p_demux, "invalid header" );
 138         for( i = 0; i < p_sys->i_track; i++ )
 139         {
 140             real_track_t *tk = p_sys->track[i];
 141
 142             if( tk->p_es )
 143             {
 144                 es_out_Del( p_demux->out, tk->p_es );
 145             }
 146             free( tk );
 147         }
 148         if( p_sys->i_track > 0 )
 149         {
 150             free( p_sys->track );
 151         }
 152         free( p_sys );
 153         return VLC_EGENERIC;
 154     }
 155
 156     return VLC_SUCCESS;
 157 }
 158
 159 /*****************************************************************************
 160  * Close
 161  *****************************************************************************/
 162 static void Close( vlc_object_t *p_this )
 163 {
 164     demux_t *p_demux = (demux_t*)p_this;
 165     demux_sys_t *p_sys = p_demux->p_sys;
 166     int i;
 167
 168     for( i = 0; i < p_sys->i_track; i++ )
 169     {
 170         real_track_t *tk = p_sys->track[i];
 171         int j = tk->i_subpackets;
 172
 173         if( tk->p_frame ) block_Release( tk->p_frame );
 174         es_format_Clean( &tk->fmt );
 175
 176         while(  j-- )
 177         {
 178             if( tk->p_subpackets[ j ] )
 179                 block_Release( tk->p_subpackets[ j ] );
 180         }
 181         if( tk->i_subpackets ) free( tk->p_subpackets );
 182
 183         free( tk );
 184     }
 185
 186     if( p_sys->psz_title ) free( p_sys->psz_title );
 187     if( p_sys->psz_artist ) free( p_sys->psz_artist );
 188     if( p_sys->psz_copyright ) free( p_sys->psz_copyright );
 189     if( p_sys->psz_description ) free( p_sys->psz_description );
 190
 191     if( p_sys->i_track > 0 ) free( p_sys->track );
 192     free( p_sys );
 193 }
 194
 195
 196 /*****************************************************************************
 197  * Demux:
 198  *****************************************************************************/
 199 static int Demux( demux_t *p_demux )
 200 {
 201     demux_sys_t *p_sys = p_demux->p_sys;
 202     uint8_t     header[18];
 203     int         i_size, i_id, i_flags, i;
 204     int64_t     i_pts;
 205     real_track_t *tk = NULL;
 206     vlc_bool_t  b_selected;
 207
 208     if( p_sys->i_data_packets >= p_sys->i_data_packets_count &&
 209         p_sys->i_data_packets_count )
 210     {
 211         if( stream_Read( p_demux->s, header, 18 ) < 18 )
 212         {
 213             return 0;
 214         }
 215         if( strncmp( (char *)header, "DATA", 4 ) )
 216         {
 217             return 0;
 218         }
 219         p_sys->i_data_offset = stream_Tell( p_demux->s ) - 18;
 220         p_sys->i_data_size   = GetDWBE( &header[4] );
 221         p_sys->i_data_packets_count = GetDWBE( &header[10] );
 222         p_sys->i_data_packets = 0;
 223         p_sys->i_data_offset_next = GetDWBE( &header[14] );
 224
 225         msg_Dbg( p_demux, "entering new DATA packets=%d next=%u",
 226                  p_sys->i_data_packets_count,
 227                  (uint32_t)p_sys->i_data_offset_next );
 228     }
 229
 230     if( stream_Read( p_demux->s, header, 12 ) < 12 ) return 0;
 231
 232     i_size = GetWBE( &header[2] ) - 12;
 233     i_id   = GetWBE( &header[4] );
 234     i_pts  = 1000 * GetDWBE( &header[6] );
 235     i_pts += 1000; /* Avoid 0 pts */
 236     i_flags= header[11]; /* flags 0x02 -> keyframe */
 237
 238 #if 0
 239     msg_Dbg( p_demux, "packet %d size=%d id=%d pts=%u",
 240              p_sys->i_data_packets, i_size, i_id, (uint32_t)(i_pts/1000) );
 241 #endif
 242
 243     p_sys->i_data_packets++;
 244
 245     stream_Read( p_demux->s, p_sys->buffer, i_size );
 246
 247     for( i = 0; i < p_sys->i_track; i++ )
 248     {
 249         if( p_sys->track[i]->i_id == i_id ) tk = p_sys->track[i];
 250     }
 251
 252     if( tk == NULL )
 253     {
 254         msg_Warn( p_demux, "unknown track id(0x%x)", i_id );
 255         return 1;
 256     }
 257     es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b_selected );
 258
 259     if( tk->fmt.i_cat == VIDEO_ES && b_selected )
 260     {
 261         uint8_t *p = p_sys->buffer;
 262
 263         while( p < &p_sys->buffer[i_size - 2] )
 264         {
 265             uint8_t h = *p++;
 266             int     i_len = 0;
 267             int     i_copy;
 268             int     i_subseq = 0;
 269             int     i_seqnum = 0;
 270             int     i_offset = 0;
 271
 272             if( (h&0xc0) == 0x40 )
 273             {
 274                 /* Short header */
 275                 p++;
 276                 i_len = &p_sys->buffer[i_size] - p;
 277             }
 278             else
 279             {
 280                 if( (h&0x40) == 0 )
 281                 {
 282                     i_subseq = (*p++)&0x7f;
 283                 }
 284                 i_len = (p[0] << 8)|p[1]; p += 2;
 285                 if( (i_len&0xc000) == 0 )
 286                 {
 287                     i_len <<= 16;
 288                     i_len |= (p[0] << 8)|p[1]; p += 2;
 289                     i_len &= 0x3fffffff;
 290                 }
 291                 else
 292                 {
 293                     i_len &= 0x3fff;
 294                 }
 295
 296                 i_offset = (p[0] << 8)|p[1]; p += 2;
 297                 if( (i_offset&0xc000) == 0 )
 298                 {
 299                     i_offset <<= 16;
 300                     i_offset |= (p[0] << 8)|p[1]; p += 2;
 301                     i_offset &= 0x3fffffff;
 302                 }
 303                 else
 304                 {
 305                     i_offset &= 0x3fff;
 306                 }
 307                 i_seqnum = *p++;
 308             }
 309
 310             i_copy = i_len - i_offset;
 311             if( i_copy > &p_sys->buffer[i_size] - p )
 312             {
 313                 i_copy = &p_sys->buffer[i_size] - p;
 314             }
 315             else if( i_copy < 0 )
 316             {
 317                 break;
 318             }
 319
 320             msg_Dbg( p_demux, "    - len=%d offset=%d size=%d subseq=%d seqnum=%d",
 321                      i_len, i_offset, i_copy, i_subseq, i_seqnum );
 322
 323             if( (h&0xc0) == 0x80 )
 324             {
 325                 /* last fragment -> fixes */
 326                 i_copy = i_offset;
 327                 i_offset = i_len - i_copy;
 328                 msg_Dbg( p_demux, "last fixing copy=%d offset=%d",
 329                          i_copy, i_offset );
 330             }
 331
 332             if( tk->p_frame &&
 333                 ( tk->p_frame->i_dts != i_pts ||
 334                   tk->i_frame != i_len ) )
 335             {
 336                 msg_Dbg( p_demux, "sending size=%d", tk->p_frame->i_buffer );
 337
 338                 if( p_sys->i_pcr < tk->p_frame->i_dts )
 339                 {
 340                     p_sys->i_pcr = tk->p_frame->i_dts;
 341
 342                     es_out_Control( p_demux->out, ES_OUT_SET_PCR,
 343                                     (int64_t)p_sys->i_pcr );
 344                 }
 345                 es_out_Send( p_demux->out, tk->p_es, tk->p_frame );
 346
 347                 tk->i_frame = 0;
 348                 tk->p_frame = NULL;
 349             }
 350
 351             if( (h&0xc0) != 0x80 && (h&0xc0) != 0x00 && !tk->p_frame )
 352             {
 353                 /* no fragment */
 354                 i_len = i_copy;
 355                 i_offset = 0;
 356             }
 357
 358
 359             if( tk->p_frame == NULL )
 360             {
 361                 msg_Dbg( p_demux, "new frame size=%d", i_len );
 362                 tk->i_frame = i_len;
 363                 if( !( tk->p_frame = block_New( p_demux, i_len + 8 + 1000) ) )
 364                 {
 365                     return -1;
 366                 }
 367                 memset( &tk->p_frame->p_buffer[8], 0, i_len );
 368                 tk->p_frame->i_dts = i_pts;
 369                 tk->p_frame->i_pts = i_pts;
 370
 371                 ((uint32_t*)tk->p_frame->p_buffer)[0] = i_len;  /* len */
 372                 ((uint32_t*)tk->p_frame->p_buffer)[1] = 0;      /* chunk counts */
 373             }
 374
 375             if( i_offset < tk->i_frame)
 376             {
 377                 int i_ck = ((uint32_t*)tk->p_frame->p_buffer)[1]++;
 378
 379                 msg_Dbg( p_demux, "copying new buffer n=%d offset=%d copy=%d",
 380                          i_ck, i_offset, i_copy );
 381
 382                 ((uint32_t*)(tk->p_frame->p_buffer+i_len+8))[i_ck] = i_offset;
 383
 384                 memcpy( &tk->p_frame->p_buffer[i_offset + 8], p, i_copy );
 385             }
 386
 387             p += i_copy;
 388
 389             if( (h&0xc0) != 0x80 )
 390             {
 391                 break;
 392             }
 393
 394 #if 0
 395             if( tk->p_frame )
 396             {
 397                 /* append data */
 398                 int i_ck = ((uint32_t*)tk->p_frame->p_buffer)[1]++;
 399
 400                 if( (h&0xc0) == 0x80 )
 401                 {
 402                     /* last fragment */
 403                     i_copy = i_offset;
 404                     i_offset = i_len - i_offset;
 405
 406                     ((uint32_t*)(tk->p_frame->p_buffer+i_len+8))[i_ck] = i_offset;
 407                     memcpy( &tk->p_frame->p_buffer[i_offset+ 8], p, i_copy );
 408                     p += i_copy;
 409
 410                     if( p_sys->i_pcr < tk->p_frame->i_dts )
 411                     {
 412                         p_sys->i_pcr = tk->p_frame->i_dts;
 413                         es_out_Control( p_demux->out, ES_OUT_SET_PCR,
 414                                         (int64_t)p_sys->i_pcr );
 415                     }
 416                     es_out_Send( p_demux->out, tk->p_es, tk->p_frame );
 417
 418                     tk->i_frame = 0;
 419                     tk->p_frame = NULL;
 420
 421                     continue;
 422                 }
 423
 424                 ((uint32_t*)(tk->p_frame->p_buffer+i_len+8))[i_ck] = i_offset;
 425                 memcpy( &tk->p_frame->p_buffer[i_offset + 8], p, i_copy );
 426                 break;
 427             }
 428
 429             if( (h&0xc0) != 0x00 )
 430             {
 431                 block_t *p_frame;
 432
 433                 /* not fragmented */
 434                 if( !( p_frame = block_New( p_demux, i_copy + 8 + 8 ) ) )
 435                 {
 436                     return -1;
 437                 }
 438                 p_frame->i_dts = i_pts;
 439                 p_frame->i_pts = i_pts;
 440
 441                 ((uint32_t*)p_frame->p_buffer)[0] = i_copy;
 442                 ((uint32_t*)p_frame->p_buffer)[1] = 1;
 443                 ((uint32_t*)(p_frame->p_buffer+i_copy+8))[0] = 0;
 444                 memcpy( &p_frame->p_buffer[8], p, i_copy );
 445
 446                 p += i_copy;
 447
 448                 if( p_sys->i_pcr < p_frame->i_dts )
 449                 {
 450                     p_sys->i_pcr = p_frame->i_dts;
 451                     es_out_Control( p_demux->out, ES_OUT_SET_PCR,
 452                                     (int64_t)p_sys->i_pcr );
 453                 }
 454                 es_out_Send( p_demux->out, tk->p_es, p_frame );
 455             }
 456             else
 457             {
 458                 /* First fragment */
 459                 tk->i_frame = i_len;
 460                 if( !( tk->p_frame = block_New( p_demux, i_len + 8 + 1000) ) )
 461                 {
 462                     return -1;
 463                 }
 464                 memset( &tk->p_frame->p_buffer[8], 0, i_len );
 465                 tk->p_frame->i_dts = i_pts;
 466                 tk->p_frame->i_pts = i_pts;
 467
 468                 ((uint32_t*)tk->p_frame->p_buffer)[0] = i_len;  /* len */
 469                 ((uint32_t*)tk->p_frame->p_buffer)[1] = 1;      /* chunk counts */
 470                 ((uint32_t*)(tk->p_frame->p_buffer+i_len+8))[0] = i_offset;
 471                 memcpy( &tk->p_frame->p_buffer[i_offset + 8], p, i_copy );
 472
 473                 break;
 474             }
 475 #endif
 476         }
 477     }
 478     else if( tk->fmt.i_cat == AUDIO_ES && b_selected )
 479     {
 480         /* Set PCR */
 481         if( p_sys->i_pcr < i_pts )
 482         {
 483             p_sys->i_pcr = i_pts;
 484             es_out_Control( p_demux->out, ES_OUT_SET_PCR,
 485                             (int64_t)p_sys->i_pcr );
 486         }
 487
 488         if( tk->fmt.i_codec == VLC_FOURCC( 'm','p','4','a' ) )
 489         {
 490             int     i_sub = (p_sys->buffer[1] >> 4)&0x0f;
 491             uint8_t *p_sub = &p_sys->buffer[2+2*i_sub];
 492
 493             int i;
 494             for( i = 0; i < i_sub; i++ )
 495             {
 496                 int i_sub_size = GetWBE( &p_sys->buffer[2+i*2]);
 497                 block_t *p_block = block_New( p_demux, i_sub_size );
 498                 if( p_block )
 499                 {
 500                     memcpy( p_block->p_buffer, p_sub, i_sub_size );
 501                     p_sub += i_sub_size;
 502
 503                     p_block->i_dts =
 504                     p_block->i_pts = ( i == 0 ? i_pts : 0 );
 505
 506                     es_out_Send( p_demux->out, tk->p_es, p_block );
 507                 }
 508             }
 509         }
 510         else if( tk->fmt.i_codec == VLC_FOURCC( 'c', 'o', 'o', 'k' ) ||
 511                  tk->fmt.i_codec == VLC_FOURCC( 'a', 't', 'r', 'c') ||
 512                  tk->fmt.i_codec == VLC_FOURCC( 's', 'i', 'p', 'r') ||
 513                  tk->fmt.i_codec == VLC_FOURCC( '2', '8', '_', '8') )
 514         {
 515             uint8_t *p_buf = p_sys->buffer;
 516             int y = tk->i_subpacket / ( tk->i_frame_size /tk->i_subpacket_size);
 517             int i_index, i;
 518
 519             /* Sanity check */
 520             if( i_flags & 2 ) y = tk->i_subpacket = 0;
 521
 522             if( tk->fmt.i_codec == VLC_FOURCC( 'c', 'o', 'o', 'k' ) ||
 523                 tk->fmt.i_codec == VLC_FOURCC( 'a', 't', 'r', 'c' ))
 524             for( i = 0; i < tk->i_frame_size / tk->i_subpacket_size; i++ )
 525             {
 526                 block_t *p_block = block_New( p_demux, tk->i_subpacket_size );
 527                 memcpy( p_block->p_buffer, p_buf, tk->i_subpacket_size );
 528                 p_buf += tk->i_subpacket_size;
 529
 530                 i_index = tk->i_subpacket_h * i +
 531                     ((tk->i_subpacket_h + 1) / 2) * (y&1) + (y>>1);
 532
 533                 p_block->i_dts = p_block->i_pts = i_pts;
 534                 tk->p_subpackets[i_index] = p_block;
 535                 tk->i_subpacket++;
 536             }
 537
 538             if( tk->fmt.i_codec == VLC_FOURCC( '2', '8', '_', '8' ) ||
 539                 tk->fmt.i_codec == VLC_FOURCC( 's', 'i', 'p', 'r' ) )
 540             for( i = 0; i < tk->i_subpacket_h / 2; i++ )
 541             {
 542                 block_t *p_block = block_New( p_demux, tk->i_coded_frame_size);
 543                 memcpy( p_block->p_buffer, p_buf, tk->i_coded_frame_size );
 544                 p_buf += tk->i_coded_frame_size;
 545
 546                 i_index = (i * 2 * tk->i_frame_size) /
 547                     tk->i_coded_frame_size + y;
 548
 549                 p_block->i_dts = p_block->i_pts = i_pts;
 550                 tk->p_subpackets[i_index] = p_block;
 551                 tk->i_subpacket++;
 552             }
 553
 554             while( tk->i_out_subpacket != tk->i_subpackets &&
 555                    tk->p_subpackets[tk->i_out_subpacket] )
 556             {
 557                 block_t *p_block = tk->p_subpackets[tk->i_out_subpacket];
 558                 tk->p_subpackets[tk->i_out_subpacket] = 0;
 559
 560                 if( tk->i_out_subpacket ) p_block->i_dts = p_block->i_pts = 0;
 561                 es_out_Send( p_demux->out, tk->p_es, p_block );
 562
 563                 tk->i_out_subpacket++;
 564             }
 565
 566             if( tk->i_subpacket == tk->i_subpackets &&
 567                 tk->i_out_subpacket != tk->i_subpackets )
 568             {
 569                 msg_Warn( p_demux, "i_subpacket != i_out_subpacket, "
 570                           "this shouldn't happen" );
 571             }
 572
 573             if( tk->i_subpacket == tk->i_subpackets )
 574             {
 575                 tk->i_subpacket = 0;
 576                 tk->i_out_subpacket = 0;
 577             }
 578         }
 579         else
 580         {
 581             block_t *p_block = block_New( p_demux, i_size );
 582
 583             if( tk->fmt.i_codec == VLC_FOURCC( 'a', '5', '2', ' ' ) )
 584             {
 585                 uint8_t *src = p_sys->buffer;
 586                 uint8_t *dst = p_block->p_buffer;
 587
 588                 /* byte swap data */
 589                 while( dst < &p_block->p_buffer[i_size- 1])
 590                 {
 591                     *dst++ = src[1];
 592                     *dst++ = src[0];
 593
 594                     src += 2;
 595                 }
 596             }
 597             else
 598             {
 599                 memcpy( p_block->p_buffer, p_sys->buffer, i_size );
 600             }
 601             p_block->i_dts = p_block->i_pts = i_pts;
 602             es_out_Send( p_demux->out, tk->p_es, p_block );
 603         }
 604     }
 605
 606
 607     return 1;
 608 }
 609
 610 /*****************************************************************************
 611  * Control:
 612  *****************************************************************************/
 613 static int Control( demux_t *p_demux, int i_query, va_list args )
 614 {
 615     demux_sys_t *p_sys = p_demux->p_sys;
 616 #if 0
 617     double f, *pf;
 618     int64_t i64;
 619 #endif
 620     int64_t *pi64;
 621
 622     switch( i_query )
 623     {
 624 #if 0
 625         case DEMUX_GET_POSITION:
 626             pf = (double*) va_arg( args, double* );
 627             i64 = stream_Size( p_demux->s );
 628             if( i64 > 0 )
 629             {
 630                 *pf = (double)stream_Tell( p_demux->s ) / (double)i64;
 631             }
 632             else
 633             {
 634                 *pf = 0.0;
 635             }
 636             return VLC_SUCCESS;
 637
 638         case DEMUX_SET_POSITION:
 639             f = (double) va_arg( args, double );
 640             i64 = stream_Size( p_demux->s );
 641
 642             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 643
 644             return stream_Seek( p_demux->s, (int64_t)(i64 * f) );
 645
 646         case DEMUX_GET_TIME:
 647             pi64 = (int64_t*)va_arg( args, int64_t * );
 648             if( p_sys->i_mux_rate > 0 )
 649             {
 650                 *pi64 = (int64_t)1000000 * ( stream_Tell( p_demux->s ) / 50 ) / p_sys->i_mux_rate;
 651                 return VLC_SUCCESS;
 652             }
 653             *pi64 = 0;
 654             return VLC_EGENERIC;
 655 #endif
 656
 657         case DEMUX_GET_LENGTH:
 658             pi64 = (int64_t*)va_arg( args, int64_t * );
 659
 660             /* the commented following lines are fen's implementation, which doesn't seem to
 661              * work for one reason or another -- FK */
 662             /*if( p_sys->i_mux_rate > 0 )
 663             {
 664                 *pi64 = (int64_t)1000000 * ( stream_Size( p_demux->s ) / 50 ) / p_sys->i_mux_rate;
 665                 return VLC_SUCCESS;
 666             }*/
 667             if( p_sys->i_our_duration > 0 )
 668             {
 669                 /* our stored duration is in ms, so... */
 670                 *pi64 = (int64_t)1000 * p_sys->i_our_duration;
 671
 672                 return VLC_SUCCESS;
 673             }
 674             *pi64 = 0;
 675             return VLC_EGENERIC;
 676
 677         case DEMUX_GET_META:
 678         {
 679             vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
 680
 681             /* the core will crash if we provide NULL strings, so check
 682              * every string first */
 683             if( p_sys->psz_title )
 684                 vlc_meta_SetTitle( p_meta, p_sys->psz_title );
 685             if( p_sys->psz_artist )
 686                 vlc_meta_SetArtist( p_meta, p_sys->psz_artist );
 687             if( p_sys->psz_copyright )
 688                 vlc_meta_SetCopyright( p_meta, p_sys->psz_copyright );
 689             if( p_sys->psz_description )
 690                 vlc_meta_SetDescription( p_meta, p_sys->psz_description );
 691             return VLC_SUCCESS;
 692         }
 693
 694         case DEMUX_SET_TIME:
 695         case DEMUX_GET_FPS:
 696         default:
 697             return VLC_EGENERIC;
 698     }
 699     return VLC_EGENERIC;
 700 }
 701
 702 /*****************************************************************************
 703  * HeaderRead:
 704  *****************************************************************************/
 705 static int HeaderRead( demux_t *p_demux )
 706 {
 707     demux_sys_t *p_sys = p_demux->p_sys;
 708     uint8_t header[100];    /* FIXME */
 709
 710     uint32_t    i_id;
 711     uint32_t    i_size;
 712     int64_t     i_skip;
 713     int         i_version;
 714
 715     for( ;; )
 716     {
 717         /* Read the header */
 718         if( stream_Read( p_demux->s, header, 10 ) < 10 )
 719         {
 720             return VLC_EGENERIC;
 721         }
 722         i_id        = VLC_FOURCC( header[0], header[1], header[2], header[3] );
 723         i_size      = GetDWBE( &header[4] );
 724         i_version   = GetWBE( &header[8] );
 725
 726         msg_Dbg( p_demux, "object %4.4s size=%d version=%d",
 727                  (char*)&i_id, i_size, i_version );
 728
 729         if( i_size < 10 && i_id != VLC_FOURCC('D','A','T','A') )
 730         {
 731             msg_Dbg( p_demux, "invalid size for object %4.4s", (char*)&i_id );
 732             return VLC_EGENERIC;
 733         }
 734         i_skip = i_size - 10;
 735
 736         if( i_id == VLC_FOURCC('.','R','M','F') )
 737         {
 738             if( stream_Read( p_demux->s, header, 8 ) < 8 ) return VLC_EGENERIC;
 739             msg_Dbg( p_demux, "    - file version=0x%x num headers=%d",
 740                      GetDWBE( &header[0] ), GetDWBE( &header[4] ) );
 741
 742             i_skip -= 8;
 743         }
 744         else if( i_id == VLC_FOURCC('P','R','O','P') )
 745         {
 746             int i_flags;
 747
 748             if( stream_Read(p_demux->s, header, 40) < 40 ) return VLC_EGENERIC;
 749
 750             msg_Dbg( p_demux, "    - max bitrate=%d avg bitrate=%d",
 751                      GetDWBE(&header[0]), GetDWBE(&header[4]) );
 752             msg_Dbg( p_demux, "    - max packet size=%d avg bitrate=%d",
 753                      GetDWBE(&header[8]), GetDWBE(&header[12]) );
 754             msg_Dbg( p_demux, "    - packets count=%d", GetDWBE(&header[16]) );
 755             msg_Dbg( p_demux, "    - duration=%d ms", GetDWBE(&header[20]) );
 756             msg_Dbg( p_demux, "    - preroll=%d ms", GetDWBE(&header[24]) );
 757             msg_Dbg( p_demux, "    - index offset=%d", GetDWBE(&header[28]) );
 758             msg_Dbg( p_demux, "    - data offset=%d", GetDWBE(&header[32]) );
 759             msg_Dbg( p_demux, "    - num streams=%d", GetWBE(&header[36]) );
 760
 761             /* set the duration for export in control */
 762             p_sys->i_our_duration = (int)GetDWBE(&header[20]);
 763
 764             i_flags = GetWBE(&header[38]);
 765             msg_Dbg( p_demux, "    - flags=0x%x %s%s%s",
 766                      i_flags,
 767                      i_flags&0x0001 ? "PN_SAVE_ENABLED " : "",
 768                      i_flags&0x0002 ? "PN_PERFECT_PLAY_ENABLED " : "",
 769                      i_flags&0x0004 ? "PN_LIVE_BROADCAST" : "" );
 770             i_skip -= 40;
 771         }
 772         else if( i_id == VLC_FOURCC('C','O','N','T') )
 773         {
 774             int i_len;
 775             char *psz;
 776
 777             /* FIXME FIXME: should convert from whatever the character
 778              * encoding of the input meta data is to UTF-8. */
 779
 780             stream_Read( p_demux->s, header, 2 );
 781             if( ( i_len = GetWBE( header ) ) > 0 )
 782             {
 783                 psz = malloc( i_len + 1 );
 784                 stream_Read( p_demux->s, psz, i_len );
 785                 psz[i_len] = '\0';
 786
 787                 msg_Dbg( p_demux, "    - title=`%s'", psz );
 788                 EnsureUTF8( psz );
 789                 asprintf( &p_sys->psz_title, psz );
 790                 free( psz );
 791                 i_skip -= i_len;
 792             }
 793             i_skip -= 2;
 794
 795             stream_Read( p_demux->s, header, 2 );
 796             if( ( i_len = GetWBE( header ) ) > 0 )
 797             {
 798                 psz = malloc( i_len + 1 );
 799                 stream_Read( p_demux->s, psz, i_len );
 800                 psz[i_len] = '\0';
 801
 802                 msg_Dbg( p_demux, "    - author=`%s'", psz );
 803                 EnsureUTF8( psz );
 804                 asprintf( &p_sys->psz_artist, psz );
 805                 free( psz );
 806                 i_skip -= i_len;
 807             }
 808             i_skip -= 2;
 809
 810             stream_Read( p_demux->s, header, 2 );
 811             if( ( i_len = GetWBE( header ) ) > 0 )
 812             {
 813                 psz = malloc( i_len + 1 );
 814                 stream_Read( p_demux->s, psz, i_len );
 815                 psz[i_len] = '\0';
 816
 817                 msg_Dbg( p_demux, "    - copyright=`%s'", psz );
 818                 EnsureUTF8( psz );
 819                 asprintf( &p_sys->psz_copyright, psz );
 820                 free( psz );
 821                 i_skip -= i_len;
 822             }
 823             i_skip -= 2;
 824
 825             stream_Read( p_demux->s, header, 2 );
 826             if( ( i_len = GetWBE( header ) ) > 0 )
 827             {
 828                 psz = malloc( i_len + 1 );
 829                 stream_Read( p_demux->s, psz, i_len );
 830                 psz[i_len] = '\0';
 831
 832                 msg_Dbg( p_demux, "    - comment=`%s'", psz );
 833                 EnsureUTF8( psz );
 834                 asprintf( &p_sys->psz_description, psz );
 835                 free( psz );
 836                 i_skip -= i_len;
 837             }
 838             i_skip -= 2;
 839         }
 840         else if( i_id == VLC_FOURCC('M','D','P','R') )
 841         {
 842             /* Media properties header */
 843             int  i_num;
 844             int  i_len;
 845             char *psz;
 846
 847             if( stream_Read(p_demux->s, header, 30) < 30 ) return VLC_EGENERIC;
 848             i_num = GetWBE( header );
 849             msg_Dbg( p_demux, "    - id=0x%x", i_num );
 850             msg_Dbg( p_demux, "    - max bitrate=%d avg bitrate=%d",
 851                      GetDWBE(&header[2]), GetDWBE(&header[6]) );
 852             msg_Dbg( p_demux, "    - max packet size=%d avg packet size=%d",
 853                      GetDWBE(&header[10]), GetDWBE(&header[14]) );
 854             msg_Dbg( p_demux, "    - start time=%d", GetDWBE(&header[18]) );
 855             msg_Dbg( p_demux, "    - preroll=%d", GetDWBE(&header[22]) );
 856             msg_Dbg( p_demux, "    - duration=%d", GetDWBE(&header[26]) );
 857
 858             i_skip -= 30;
 859
 860             stream_Read( p_demux->s, header, 1 );
 861             if( ( i_len = header[0] ) > 0 )
 862             {
 863                 psz = malloc( i_len + 1 );
 864                 stream_Read( p_demux->s, psz, i_len );
 865                 psz[i_len] = '\0';
 866
 867                 msg_Dbg( p_demux, "    - name=`%s'", psz );
 868                 free( psz );
 869                 i_skip -= i_len;
 870             }
 871             i_skip--;
 872
 873             stream_Read( p_demux->s, header, 1 );
 874             if( ( i_len = header[0] ) > 0 )
 875             {
 876                 psz = malloc( i_len + 1 );
 877                 stream_Read( p_demux->s, psz, i_len );
 878                 psz[i_len] = '\0';
 879
 880                 msg_Dbg( p_demux, "    - mime=`%s'", psz );
 881                 free( psz );
 882                 i_skip -= i_len;
 883             }
 884             i_skip--;
 885
 886             stream_Read( p_demux->s, header, 4 );
 887             if( ( i_len = GetDWBE( header ) ) > 0 )
 888             {
 889                 ReadCodecSpecificData( p_demux, i_len, i_num );
 890                 stream_Read( p_demux->s, NULL, i_len );
 891
 892                 i_skip -= i_len;
 893             }
 894             i_skip -= 4;
 895         }
 896         else if( i_id == VLC_FOURCC('D','A','T','A') )
 897         {
 898             stream_Read( p_demux->s, header, 8 );
 899
 900             p_sys->i_data_offset    = stream_Tell( p_demux->s ) - 10;
 901             p_sys->i_data_size      = i_size;
 902             p_sys->i_data_packets_count = GetDWBE( header );
 903             p_sys->i_data_packets   = 0;
 904             p_sys->i_data_offset_next = GetDWBE( &header[4] );
 905
 906             msg_Dbg( p_demux, "    - packets count=%d next=%u",
 907                      p_sys->i_data_packets_count,
 908                      (uint32_t)p_sys->i_data_offset_next );
 909
 910             /* we have finished the header */
 911             break;
 912         }
 913         else
 914         {
 915             /* unknow header */
 916             msg_Dbg( p_demux, "unknown chunk" );
 917         }
 918
 919         if( i_skip < 0 ) return VLC_EGENERIC;
 920         stream_Read( p_demux->s, NULL, i_skip );
 921     }
 922
 923     /* TODO read index if possible */
 924
 925     return VLC_SUCCESS;
 926 }
 927
 928 static int ReadCodecSpecificData( demux_t *p_demux, int i_len, int i_num )
 929 {
 930     demux_sys_t *p_sys = p_demux->p_sys;
 931     es_format_t fmt;
 932     real_track_t *tk;
 933     const uint8_t *p_peek;
 934
 935     msg_Dbg( p_demux, "    - specific data len=%d", i_len );
 936     if( stream_Peek(p_demux->s, &p_peek, i_len) < i_len ) return VLC_EGENERIC;
 937
 938     if( ( i_len >= 8 ) && !memcmp( &p_peek[4], "VIDO", 4 ) )
 939     {
 940         es_format_Init( &fmt, VIDEO_ES, VLC_FOURCC( p_peek[8], p_peek[9],
 941                         p_peek[10], p_peek[11] ) );
 942         fmt.video.i_width = GetWBE( &p_peek[12] );
 943         fmt.video.i_height= GetWBE( &p_peek[14] );
 944
 945         fmt.i_extra = 8;
 946         fmt.p_extra = malloc( 8 );
 947         ((uint32_t*)fmt.p_extra)[0] = GetDWBE( &p_peek[26] );
 948         ((uint32_t*)fmt.p_extra)[1] = GetDWBE( &p_peek[30] );
 949
 950         msg_Dbg( p_demux, "    - video 0x%08x 0x%08x",
 951                  ((uint32_t*)fmt.p_extra)[0], ((uint32_t*)fmt.p_extra)[1] );
 952
 953         if( GetDWBE( &p_peek[30] ) == 0x10003000 ||
 954             GetDWBE( &p_peek[30] ) == 0x10003001 )
 955         {
 956             fmt.i_codec = VLC_FOURCC( 'R','V','1','3' );
 957         }
 958         else if( GetDWBE( &p_peek[30] ) == 0x20001000 ||
 959                  GetDWBE( &p_peek[30] ) == 0x20100001 ||
 960                  GetDWBE( &p_peek[30] ) == 0x20200002 )
 961         {
 962             fmt.i_codec = VLC_FOURCC( 'R','V','2','0' );
 963         }
 964         else if( GetDWBE( &p_peek[30] ) == 0x30202002 )
 965         {
 966             fmt.i_codec = VLC_FOURCC( 'R','V','3','0' );
 967         }
 968         else if( GetDWBE( &p_peek[30] ) == 0x40000000 )
 969         {
 970             fmt.i_codec = VLC_FOURCC( 'R','V','4','0' );
 971         }
 972
 973         msg_Dbg( p_demux, "    - video %4.4s %dx%d",
 974                  (char*)&fmt.i_codec, fmt.video.i_width, fmt.video.i_height );
 975
 976         tk = malloc( sizeof( real_track_t ) );
 977         tk->i_out_subpacket = 0;
 978         tk->i_subpacket = 0;
 979         tk->i_subpackets = 0;
 980         tk->p_subpackets = NULL;
 981         tk->i_id = i_num;
 982         tk->fmt = fmt;
 983         tk->i_frame = 0;
 984         tk->p_frame = NULL;
 985         tk->p_es = es_out_Add( p_demux->out, &fmt );
 986
 987         TAB_APPEND( p_sys->i_track, p_sys->track, tk );
 988     }
 989     else if( !strncmp( (char *)p_peek, ".ra\xfd", 4 ) )
 990     {
 991         int i_header_size, i_flavor, i_coded_frame_size, i_subpacket_h;
 992         int i_frame_size, i_subpacket_size;
 993         int i_version = GetWBE( &p_peek[4] );   /* [0..3] = '.','r','a',0xfd */
 994         msg_Dbg( p_demux, "    - audio version=%d", i_version );
 995
 996         p_peek += 6;                                          /* 4 + version */
 997         es_format_Init( &fmt, AUDIO_ES, 0 );
 998
 999         if( i_version == 3 )
1000         {
1001             int i_len;
1002             char *psz;
1003
1004             i_header_size = GetWBE( p_peek ); p_peek += 2;  /* Size from now */
1005             p_peek += 10;                                         /* Unknown */
1006
1007             p_peek += 4;                                        /* Data Size */
1008
1009             /* Title */
1010             i_len = *p_peek ; p_peek++;
1011             if( i_len > 0 )
1012             {
1013                 psz = malloc( i_len + 1 );
1014                 memcpy( psz, p_peek, i_len );
1015                 psz[i_len] = '\0';
1016
1017                 msg_Dbg( p_demux, "    - title=`%s'", psz );
1018                 EnsureUTF8( psz );
1019                 asprintf( &p_sys->psz_title, psz );
1020                 free( psz );
1021             }
1022             p_peek += i_len;
1023
1024             /* Authors */
1025             i_len = *p_peek ; p_peek++;
1026             if( i_len > 0 )
1027             {
1028                 psz = malloc( i_len + 1 );
1029                 memcpy( psz, p_peek, i_len );
1030                 psz[i_len] = '\0';
1031
1032                 msg_Dbg( p_demux, "    - artist=`%s'", psz );
1033                 EnsureUTF8( psz );
1034                 asprintf( &p_sys->psz_artist, psz );
1035                 free( psz );
1036             }
1037             p_peek += i_len;
1038
1039             /* Copyright */
1040             i_len = *p_peek ; p_peek++;
1041             if( i_len > 0 )
1042             {
1043                 psz = malloc( i_len + 1 );
1044                 memcpy( psz, p_peek, i_len );
1045                 psz[i_len] = '\0';
1046
1047                 msg_Dbg( p_demux, "    - Copyright=`%s'", psz );
1048                 EnsureUTF8( psz );
1049                 asprintf( &p_sys->psz_copyright, psz );
1050                 free( psz );
1051             }
1052             p_peek += i_len;
1053
1054             /* Comment */
1055             i_len = *p_peek ; p_peek++;
1056             if( i_len > 0 )
1057             {
1058                 psz = malloc( i_len + 1 );
1059                 memcpy( psz, p_peek, i_len );
1060                 psz[i_len] = '\0';
1061
1062                 msg_Dbg( p_demux, "    - Comment=`%s'", psz );
1063                 EnsureUTF8( psz );
1064                 asprintf( &p_sys->psz_description, psz );
1065                 free( psz );
1066             }
1067             /* This might be unusefull */
1068             p_peek += i_len;
1069
1070             p_peek ++;                                           /* Unknown */
1071             p_peek ++;                                 /* FourCC length = 4 */
1072             memcpy( (char *)&fmt.i_codec, p_peek, 4 ); p_peek += 4;
1073             /* Up to here :) */
1074
1075             fmt.audio.i_channels = 1;      /* This is always the case in rm3 */
1076             fmt.audio.i_rate = 8000;
1077
1078             msg_Dbg( p_demux, "    - audio codec=%4.4s channels=%d rate=%dHz",
1079                  (char*)&fmt.i_codec, fmt.audio.i_channels, fmt.audio.i_rate );
1080         }
1081         else
1082         {
1083
1084             p_peek += 2;                                           /* 00 00 */
1085             p_peek += 4;                                    /* .ra4 or .ra5 */
1086             p_peek += 4;                                       /* data size */
1087             p_peek += 2;                                /* version (4 or 5) */
1088             i_header_size = GetDWBE( p_peek ); p_peek += 4;   /* header size */
1089             i_flavor = GetWBE( p_peek ); p_peek += 2;        /* codec flavor */
1090             i_coded_frame_size = GetDWBE( p_peek ); p_peek += 4; /* coded frame size*/
1091             p_peek += 4;                                               /* ?? */
1092             p_peek += 4;                                               /* ?? */
1093             p_peek += 4;                                               /* ?? */
1094             i_subpacket_h = GetWBE( p_peek ); p_peek += 2;              /* 1 */
1095             i_frame_size = GetWBE( p_peek ); p_peek += 2;      /* frame size */
1096             i_subpacket_size = GetWBE( p_peek ); p_peek += 2;  /* subpacket_size */
1097             p_peek += 2;                                               /* ?? */
1098
1099             if( i_version == 5 ) p_peek += 6;                 /* 0, srate, 0 */
1100
1101             fmt.audio.i_rate = GetWBE( p_peek ); p_peek += 2; /* Sample Rate */
1102             p_peek += 2;                                               /* ?? */
1103             fmt.audio.i_bitspersample = GetWBE( p_peek ); p_peek += 2;/* Sure?*/
1104             fmt.audio.i_channels = GetWBE( p_peek ); p_peek += 2; /* Channels */
1105             fmt.audio.i_blockalign = i_frame_size;
1106
1107             if( i_version == 5 )
1108             {
1109                 p_peek += 4;                                         /* genr */
1110                 memcpy( (char *)&fmt.i_codec, p_peek, 4 ); p_peek += 4;
1111             }
1112             else
1113             {
1114                 p_peek += p_peek[0] + 1;                          /* descr 1 */
1115                 memcpy( (char *)&fmt.i_codec, p_peek + 1, 4 );    /* descr 2 */
1116                 p_peek += p_peek[0] + 1;
1117             }
1118
1119             msg_Dbg( p_demux, "    - audio codec=%4.4s channels=%d rate=%dHz",
1120                  (char*)&fmt.i_codec, fmt.audio.i_channels, fmt.audio.i_rate );
1121
1122             p_peek += 3;                                               /* ?? */
1123             if( i_version == 5 ) p_peek++;
1124             /* Extra Data then: DWord + byte[] */
1125             fmt.i_extra = GetDWBE( p_peek ); p_peek += 4;
1126         }
1127
1128         switch( fmt.i_codec )
1129         {
1130         case VLC_FOURCC('1','4','_','4'):
1131             break:
1132         case VLC_FOURCC('l','p','c','J'):
1133             fmt.i_codec = VLC_FOURCC( '1','4','_','4' );
1134             break;
1135
1136         case VLC_FOURCC('2','8','_','8'):
1137             fmt.i_extra = 0;
1138             fmt.audio.i_blockalign = i_coded_frame_size;
1139             break;
1140
1141         case VLC_FOURCC( 'd','n','e','t' ):
1142             fmt.i_codec = VLC_FOURCC( 'a','5','2',' ' );
1143             break;
1144
1145         case VLC_FOURCC( 'r','a','a','c' ):
1146         case VLC_FOURCC( 'r','a','c','p' ):
1147             if( fmt.i_extra > 0 ) { fmt.i_extra--; p_peek++; }
1148             if( fmt.i_extra > 0 )
1149             {
1150                 fmt.p_extra = malloc( fmt.i_extra );
1151                 memcpy( fmt.p_extra, p_peek, fmt.i_extra );
1152             }
1153
1154             fmt.i_codec = VLC_FOURCC( 'm','p','4','a' );
1155             break;
1156
1157         case VLC_FOURCC('c','o','o','k'):
1158         case VLC_FOURCC('a','t','r','c'):
1159             fmt.audio.i_blockalign = i_subpacket_size;
1160             if( !fmt.i_extra ) break;
1161             fmt.p_extra = malloc( fmt.i_extra );
1162             memcpy( fmt.p_extra, p_peek, fmt.i_extra );
1163             break;
1164
1165         case VLC_FOURCC('s','i','p','r'):
1166             fmt.i_extra = 0;
1167             fmt.audio.i_blockalign = i_coded_frame_size;
1168             fmt.audio.i_bitspersample = sipr_fl2bps[ i_flavor ];
1169             break;
1170
1171         case VLC_FOURCC('r','a','l','f'):
1172             msg_Dbg( p_demux, "    - audio codec not supported=%4.4s",
1173                      (char*)&fmt.i_codec );
1174             break;
1175
1176         default:
1177             msg_Dbg( p_demux, "    - unknown audio codec=%4.4s",
1178                      (char*)&fmt.i_codec );
1179             break;
1180         }
1181
1182         if( fmt.i_codec != 0 )
1183         {
1184             int i;
1185
1186             msg_Dbg( p_demux, "        - extra data=%d", fmt.i_extra );
1187
1188             tk = malloc( sizeof( real_track_t ) );
1189             tk->i_id = i_num;
1190             tk->fmt = fmt;
1191             tk->i_frame = 0;
1192             tk->p_frame = NULL;
1193
1194             tk->i_subpacket_h = i_subpacket_h;
1195             tk->i_subpacket_size = i_subpacket_size;
1196             tk->i_coded_frame_size = i_coded_frame_size;
1197             tk->i_frame_size = i_frame_size;
1198
1199             tk->i_out_subpacket = 0;
1200             tk->i_subpacket = 0;
1201             tk->i_subpackets = 0;
1202             tk->p_subpackets = NULL;
1203             if( fmt.i_codec == VLC_FOURCC('c','o','o','k')
1204              || fmt.i_codec == VLC_FOURCC('a','t','r','c') )
1205             {
1206                 tk->i_subpackets =
1207                     i_subpacket_h * i_frame_size / tk->i_subpacket_size;
1208                 tk->p_subpackets =
1209                     malloc( tk->i_subpackets * sizeof(block_t *) );
1210             }
1211             else if( fmt.i_codec == VLC_FOURCC('2','8','_','8') )
1212             {
1213                 tk->i_subpackets =
1214                     i_subpacket_h * i_frame_size / tk->i_coded_frame_size;
1215                 tk->p_subpackets =
1216                     malloc( tk->i_subpackets * sizeof(block_t *) );
1217             }
1218
1219             for( i = 0; i < tk->i_subpackets; i++ ) tk->p_subpackets[i] = NULL;
1220
1221             tk->p_es = es_out_Add( p_demux->out, &fmt );
1222
1223             TAB_APPEND( p_sys->i_track, p_sys->track, tk );
1224         }
1225     }
1226
1227     return VLC_SUCCESS;
1228 }