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  * Status of this demuxer:
  26  * Real Media format
  27  * -----------------
  28  *
  29  * version v3 w/ 14_4/lpcJ is ok.
  30  * version v4/5: - atrac3 is ok.
  31  *               - cook is ok.
  32  *               - raac, racp are ok.
  33  *               - dnet is twisted "The byte order of the data is reversed
  34  *                                  from standard AC3"
  35  *               - 28_8 seem problematic.
  36  *               - sipr should be fine, but our decoder suxx :)
  37  *               - ralf is unsupported, but hardly any sample exist.
  38  *               - mp3 is unsupported, one sample exists...
  39  *
  40  * Real Audio Only
  41  * ---------------
  42  * v3 and v4/5 headers are parsed.
  43  * Doesn't work yet...
  44  */
  45
  46 /*****************************************************************************
  47  * Preamble
  48  *****************************************************************************/
  49
  50 #ifdef HAVE_CONFIG_H
  51 # include "config.h"
  52 #endif
  53
  54 #include <vlc_common.h>
  55 #include <vlc_plugin.h>
  56
  57 #include <vlc_demux.h>
  58 #include <vlc_charset.h>
  59 #include <vlc_meta.h>
  60
  61 /*****************************************************************************
  62  * Module descriptor
  63  *****************************************************************************/
  64 static int  Open    ( vlc_object_t * );
  65 static void Close  ( vlc_object_t * );
  66
  67 vlc_module_begin();
  68     set_description( N_("Real demuxer" ) );
  69     set_capability( "demux", 15 );
  70     set_category( CAT_INPUT );
  71     set_subcategory( SUBCAT_INPUT_DEMUX );
  72     set_callbacks( Open, Close );
  73     add_shortcut( "real" );
  74     add_shortcut( "rm" );
  75 vlc_module_end();
  76
  77 /*****************************************************************************
  78  * Local prototypes
  79  *****************************************************************************/
  80
  81 typedef struct
  82 {
  83     int         i_id;
  84     es_format_t fmt;
  85
  86     es_out_id_t *p_es;
  87
  88     int         i_frame;
  89     block_t     *p_frame;
  90
  91     int         i_subpacket_h;
  92     int         i_subpacket_size;
  93     int         i_coded_frame_size;
  94     int         i_frame_size;
  95
  96     int         i_subpacket;
  97     int         i_subpackets;
  98     block_t     **p_subpackets;
  99     int64_t     *p_subpackets_timecode;
 100     int         i_out_subpacket;
 101
 102 } real_track_t;
 103
 104 typedef struct
 105 {
 106     uint32_t file_offset;
 107     uint32_t time_offset;
 108     uint32_t frame_index;
 109 } rm_index_t;
 110
 111 struct demux_sys_t
 112 {
 113     int64_t  i_data_offset;
 114     int64_t  i_data_size;
 115     uint32_t i_data_packets_count;
 116     uint32_t i_data_packets;
 117     int64_t  i_data_offset_next;
 118
 119     bool     b_is_real_audio;
 120
 121     int  i_our_duration;
 122     int  i_mux_rate;
 123
 124     char* psz_title;
 125     char* psz_artist;
 126     char* psz_copyright;
 127     char* psz_description;
 128
 129     int          i_track;
 130     real_track_t **track;
 131
 132     uint8_t buffer[65536];
 133
 134     int64_t     i_pcr;
 135     vlc_meta_t *p_meta;
 136
 137     int64_t     i_index_offset;
 138     int         b_seek;
 139     rm_index_t *p_index;
 140 };
 141
 142 static int Demux( demux_t *p_demux );
 143 static int Control( demux_t *p_demux, int i_query, va_list args );
 144
 145 static int HeaderRead( demux_t *p_demux );
 146 static const uint8_t * MetaRead( demux_t *p_demux, const uint8_t *p_peek );
 147 static int ReadCodecSpecificData( demux_t *p_demux, int i_len, int i_num );
 148
 149 /*****************************************************************************
 150  * Open
 151  *****************************************************************************/
 152 static int Open( vlc_object_t *p_this )
 153 {
 154     demux_t     *p_demux = (demux_t*)p_this;
 155     demux_sys_t *p_sys;
 156
 157     const uint8_t *p_peek;
 158     bool           b_is_real_audio = false;
 159
 160     if( stream_Peek( p_demux->s, &p_peek, 10 ) < 10 ) return VLC_EGENERIC;
 161
 162     /* Real Audio */
 163     if( !memcmp( p_peek, ".ra", 3 ) )
 164     {
 165         msg_Err( p_demux, ".ra files unsuported" );
 166         b_is_real_audio = true;
 167     }
 168     /* Real Media Format */
 169     else if( memcmp( p_peek, ".RMF", 4 ) ) return VLC_EGENERIC;
 170
 171     /* Fill p_demux field */
 172     p_demux->pf_demux = Demux;
 173     p_demux->pf_control = Control;
 174
 175     p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
 176     if( p_sys == NULL )
 177         return VLC_ENOMEM;
 178
 179     memset( p_sys, 0, sizeof( demux_sys_t ) );
 180
 181     p_sys->i_data_offset = 0;
 182     p_sys->i_track = 0;
 183     p_sys->track   = NULL;
 184     p_sys->i_pcr   = 1;
 185
 186     p_sys->b_seek  = 0;
 187     p_sys->b_is_real_audio = b_is_real_audio;
 188
 189     /* Parse the headers */
 190     /* Real Audio files */
 191     if( b_is_real_audio )
 192     {
 193         ReadCodecSpecificData( p_demux, 32, 0 ); /* At least 32 */
 194         return VLC_EGENERIC;                     /* We don't know how to read
 195                                                     correctly the data yet */
 196     }
 197     /* RMF files */
 198     else if( HeaderRead( p_demux ) )
 199     {
 200         int i;
 201         msg_Err( p_demux, "invalid header" );
 202         for( i = 0; i < p_sys->i_track; i++ )
 203         {
 204             real_track_t *tk = p_sys->track[i];
 205
 206             if( tk->p_es )
 207             {
 208                 es_out_Del( p_demux->out, tk->p_es );
 209             }
 210             free( tk );
 211         }
 212         if( p_sys->i_track > 0 )
 213         {
 214             free( p_sys->track );
 215         }
 216         free( p_sys );
 217         return VLC_EGENERIC;
 218     }
 219
 220     return VLC_SUCCESS;
 221 }
 222
 223 /*****************************************************************************
 224  * Close
 225  *****************************************************************************/
 226 static void Close( vlc_object_t *p_this )
 227 {
 228     demux_t *p_demux = (demux_t*)p_this;
 229     demux_sys_t *p_sys = p_demux->p_sys;
 230     int i;
 231
 232     for( i = 0; i < p_sys->i_track; i++ )
 233     {
 234         real_track_t *tk = p_sys->track[i];
 235         int j = tk->i_subpackets;
 236
 237         if( tk->p_frame ) block_Release( tk->p_frame );
 238         es_format_Clean( &tk->fmt );
 239
 240         while(  j-- )
 241         {
 242             if( tk->p_subpackets[ j ] )
 243                 block_Release( tk->p_subpackets[ j ] );
 244         }
 245         if( tk->i_subpackets )
 246         {
 247             free( tk->p_subpackets );
 248             free( tk->p_subpackets_timecode );
 249         }
 250
 251         free( tk );
 252     }
 253
 254     free( p_sys->psz_title );
 255     free( p_sys->psz_artist );
 256     free( p_sys->psz_copyright );
 257     free( p_sys->psz_description );
 258     free( p_sys->p_index );
 259
 260     if( p_sys->i_track > 0 ) free( p_sys->track );
 261     free( p_sys );
 262 }
 263
 264
 265 /*****************************************************************************
 266  * Demux:
 267  *****************************************************************************/
 268 static int Demux( demux_t *p_demux )
 269 {
 270     demux_sys_t *p_sys = p_demux->p_sys;
 271     uint8_t     header[18];
 272     int         i_id, i_flags, i;
 273     unsigned int i_size;
 274     int64_t     i_pts;
 275     real_track_t *tk = NULL;
 276     bool  b_selected;
 277
 278     if( p_sys->i_data_packets >= p_sys->i_data_packets_count &&
 279         p_sys->i_data_packets_count )
 280     {
 281         if( stream_Read( p_demux->s, header, 18 ) < 18 )
 282         {
 283             return 0;
 284         }
 285         if( strncmp( (char *)header, "DATA", 4 ) )
 286         {
 287             return 0;
 288         }
 289         p_sys->i_data_offset = stream_Tell( p_demux->s ) - 18;
 290         p_sys->i_data_size   = GetDWBE( &header[4] );
 291         p_sys->i_data_packets_count = GetDWBE( &header[10] );
 292         p_sys->i_data_packets = 0;
 293         p_sys->i_data_offset_next = GetDWBE( &header[14] );
 294
 295         msg_Dbg( p_demux, "entering new DATA packets=%d next=%u",
 296                  p_sys->i_data_packets_count,
 297                  (uint32_t)p_sys->i_data_offset_next );
 298     }
 299
 300     if( stream_Read( p_demux->s, header, 12 ) < 12 ) return 0;
 301
 302     //    int i_version = GetWBE( &header[0] );
 303     i_size = GetWBE( &header[2] ) - 12;
 304     i_id   = GetWBE( &header[4] );
 305     i_pts  = 1000 * GetDWBE( &header[6] );
 306     i_pts += 1000; /* Avoid 0 pts */
 307     i_flags= header[11]; /* flags 0x02 -> keyframe */
 308
 309     msg_Dbg( p_demux, "packet %d size=%d id=%d pts=%u",
 310              p_sys->i_data_packets, i_size, i_id, (uint32_t)(i_pts/1000) );
 311
 312     p_sys->i_data_packets++;
 313
 314     if( i_size == 0 ) return 0;
 315
 316     if( i_size > sizeof(p_sys->buffer) )
 317     {
 318         msg_Err( p_demux, "Got a size to read bigger than our buffer. Ignoring current frame." );
 319         return 0;
 320     }
 321
 322     stream_Read( p_demux->s, p_sys->buffer, i_size );
 323
 324     for( i = 0; i < p_sys->i_track; i++ )
 325     {
 326         if( p_sys->track[i]->i_id == i_id ) tk = p_sys->track[i];
 327     }
 328
 329     if( tk == NULL )
 330     {
 331         msg_Warn( p_demux, "unknown track id(0x%x)", i_id );
 332         return 1;
 333     }
 334     es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b_selected );
 335
 336     if( tk->fmt.i_cat == VIDEO_ES && b_selected )
 337     {
 338         uint8_t *p = p_sys->buffer;
 339
 340         while( p < &p_sys->buffer[i_size - 2] )
 341         {
 342             uint8_t h = *p++;
 343             int     i_len = 0;
 344             int     i_copy;
 345             int     i_subseq = 0;
 346             int     i_seqnum = 0;
 347             int     i_offset = 0;
 348
 349             if( (h&0xc0) == 0x40 )
 350             {
 351                 /* Short header */
 352                 p++;
 353                 i_len = &p_sys->buffer[i_size] - p;
 354             }
 355             else
 356             {
 357                 if( (h&0x40) == 0 )
 358                 {
 359                     i_subseq = (*p++)&0x7f;
 360                 }
 361                 i_len = (p[0] << 8)|p[1]; p += 2;
 362                 if( (i_len&0xc000) == 0 )
 363                 {
 364                     i_len <<= 16;
 365                     i_len |= (p[0] << 8)|p[1]; p += 2;
 366                     i_len &= 0x3fffffff;
 367                 }
 368                 else
 369                 {
 370                     i_len &= 0x3fff;
 371                 }
 372
 373                 i_offset = (p[0] << 8)|p[1]; p += 2;
 374                 if( (i_offset&0xc000) == 0 )
 375                 {
 376                     i_offset <<= 16;
 377                     i_offset |= (p[0] << 8)|p[1]; p += 2;
 378                     i_offset &= 0x3fffffff;
 379                 }
 380                 else
 381                 {
 382                     i_offset &= 0x3fff;
 383                 }
 384                 i_seqnum = *p++;
 385             }
 386
 387             i_copy = i_len - i_offset;
 388             if( i_copy > &p_sys->buffer[i_size] - p )
 389             {
 390                 i_copy = &p_sys->buffer[i_size] - p;
 391             }
 392             else if( i_copy < 0 )
 393             {
 394                 break;
 395             }
 396
 397             msg_Dbg( p_demux, "    - len=%d offset=%d size=%d subseq=%d seqnum=%d",
 398                      i_len, i_offset, i_copy, i_subseq, i_seqnum );
 399
 400             if( (h&0xc0) == 0x80 )
 401             {
 402                 /* last fragment -> fixes */
 403                 i_copy = i_offset;
 404                 i_offset = i_len - i_copy;
 405                 msg_Dbg( p_demux, "last fixing copy=%d offset=%d",
 406                          i_copy, i_offset );
 407             }
 408
 409             if( tk->p_frame &&
 410                 ( tk->p_frame->i_dts != i_pts ||
 411                   tk->i_frame != i_len ) )
 412             {
 413                 msg_Dbg( p_demux, "sending size=%zu", tk->p_frame->i_buffer );
 414
 415                 es_out_Send( p_demux->out, tk->p_es, tk->p_frame );
 416
 417                 tk->i_frame = 0;
 418                 tk->p_frame = NULL;
 419             }
 420
 421             if( (h&0xc0) != 0x80 && (h&0xc0) != 0x00 && !tk->p_frame )
 422             {
 423                 /* no fragment */
 424                 i_len = i_copy;
 425                 i_offset = 0;
 426             }
 427
 428
 429             if( tk->p_frame == NULL )
 430             {
 431                 msg_Dbg( p_demux, "new frame size=%d", i_len );
 432                 tk->i_frame = i_len;
 433                 if( !( tk->p_frame = block_New( p_demux, i_len + 8 + 1000) ) )
 434                 {
 435                     return -1;
 436                 }
 437                 memset( &tk->p_frame->p_buffer[8], 0, i_len );
 438                 tk->p_frame->i_dts = i_pts;
 439                 tk->p_frame->i_pts = i_pts;
 440
 441                 ((uint32_t*)tk->p_frame->p_buffer)[0] = i_len;  /* len */
 442                 ((uint32_t*)tk->p_frame->p_buffer)[1] = 0;      /* chunk counts */
 443             }
 444
 445             if( i_offset < tk->i_frame)
 446             {
 447                 int i_ck = ((uint32_t*)tk->p_frame->p_buffer)[1]++;
 448
 449                 msg_Dbg( p_demux, "copying new buffer n=%d offset=%d copy=%d",
 450                          i_ck, i_offset, i_copy );
 451
 452                 ((uint32_t*)(tk->p_frame->p_buffer+i_len+8))[i_ck*2 +0 ] = 1;
 453                 ((uint32_t*)(tk->p_frame->p_buffer+i_len+8))[i_ck*2 +1 ] = i_offset;
 454
 455
 456                 memcpy( &tk->p_frame->p_buffer[i_offset + 8], p, i_copy );
 457             }
 458
 459             p += i_copy;
 460
 461             if( (h&0xc0) != 0x80 )
 462             {
 463                 break;
 464             }
 465
 466 #if 0
 467             if( tk->p_frame )
 468             {
 469                 /* append data */
 470                 int i_ck = ((uint32_t*)tk->p_frame->p_buffer)[1]++;
 471
 472                 if( (h&0xc0) == 0x80 )
 473                 {
 474                     /* last fragment */
 475                     i_copy = i_offset;
 476                     i_offset = i_len - i_offset;
 477
 478                     ((uint32_t*)(tk->p_frame->p_buffer+i_len+8))[i_ck] = i_offset;
 479                     memcpy( &tk->p_frame->p_buffer[i_offset+ 8], p, i_copy );
 480                     p += i_copy;
 481
 482                     if( p_sys->i_pcr < tk->p_frame->i_dts )
 483                     {
 484                         p_sys->i_pcr = tk->p_frame->i_dts;
 485                         es_out_Control( p_demux->out, ES_OUT_SET_PCR,
 486                                         (int64_t)p_sys->i_pcr );
 487                     }
 488                     es_out_Send( p_demux->out, tk->p_es, tk->p_frame );
 489
 490                     tk->i_frame = 0;
 491                     tk->p_frame = NULL;
 492
 493                     continue;
 494                 }
 495
 496                 ((uint32_t*)(tk->p_frame->p_buffer+i_len+8))[i_ck] = i_offset;
 497                 memcpy( &tk->p_frame->p_buffer[i_offset + 8], p, i_copy );
 498                 break;
 499             }
 500
 501             if( (h&0xc0) != 0x00 )
 502             {
 503                 block_t *p_frame;
 504
 505                 /* not fragmented */
 506                 if( !( p_frame = block_New( p_demux, i_copy + 8 + 8 ) ) )
 507                 {
 508                     return -1;
 509                 }
 510                 p_frame->i_dts = i_pts;
 511                 p_frame->i_pts = i_pts;
 512
 513                 ((uint32_t*)p_frame->p_buffer)[0] = i_copy;
 514                 ((uint32_t*)p_frame->p_buffer)[1] = 1;
 515                 ((uint32_t*)(p_frame->p_buffer+i_copy+8))[0] = 0;
 516                 memcpy( &p_frame->p_buffer[8], p, i_copy );
 517
 518                 p += i_copy;
 519
 520                 if( p_sys->i_pcr < p_frame->i_dts )
 521                 {
 522                     p_sys->i_pcr = p_frame->i_dts;
 523                     es_out_Control( p_demux->out, ES_OUT_SET_PCR,
 524                                     (int64_t)p_sys->i_pcr );
 525                 }
 526                 es_out_Send( p_demux->out, tk->p_es, p_frame );
 527             }
 528             else
 529             {
 530                 /* First fragment */
 531                 tk->i_frame = i_len;
 532                 if( !( tk->p_frame = block_New( p_demux, i_len + 8 + 1000) ) )
 533                 {
 534                     return -1;
 535                 }
 536                 memset( &tk->p_frame->p_buffer[8], 0, i_len );
 537                 tk->p_frame->i_dts = i_pts;
 538                 tk->p_frame->i_pts = i_pts;
 539
 540                 ((uint32_t*)tk->p_frame->p_buffer)[0] = i_len;  /* len */
 541                 ((uint32_t*)tk->p_frame->p_buffer)[1] = 1;      /* chunk counts */
 542                 ((uint32_t*)(tk->p_frame->p_buffer+i_len+8))[0] = i_offset;
 543                 memcpy( &tk->p_frame->p_buffer[i_offset + 8], p, i_copy );
 544
 545                 break;
 546             }
 547 #endif
 548         }
 549     }
 550     else if( tk->fmt.i_cat == AUDIO_ES && b_selected )
 551     {
 552         if( tk->fmt.i_codec == VLC_FOURCC( 'c', 'o', 'o', 'k' ) ||
 553             tk->fmt.i_codec == VLC_FOURCC( 'a', 't', 'r', 'c') ||
 554             tk->fmt.i_codec == VLC_FOURCC( 's', 'i', 'p', 'r') ||
 555             tk->fmt.i_codec == VLC_FOURCC( '2', '8', '_', '8') )
 556         {
 557             uint8_t *p_buf = p_sys->buffer;
 558             int y = tk->i_subpacket / ( tk->i_frame_size /tk->i_subpacket_size);
 559             int i_index, i;
 560
 561             /* Sanity check */
 562             if( i_flags & 2 || ( p_sys->b_seek ) )
 563             {
 564                 y = tk->i_subpacket = 0;
 565                 tk->i_out_subpacket = 0;
 566                 p_sys->b_seek = 0;
 567             }
 568
 569             if( tk->fmt.i_codec == VLC_FOURCC( 'c', 'o', 'o', 'k' ) ||
 570                 tk->fmt.i_codec == VLC_FOURCC( 'a', 't', 'r', 'c' ))
 571             {
 572                 int num = tk->i_frame_size / tk->i_subpacket_size;
 573                 for( i = 0; i <  num; i++ )
 574                 {
 575                     block_t *p_block = block_New( p_demux, tk->i_subpacket_size );
 576                     memcpy( p_block->p_buffer, p_buf, tk->i_subpacket_size );
 577                     p_buf += tk->i_subpacket_size;
 578
 579                     i_index = tk->i_subpacket_h * i +
 580                         ((tk->i_subpacket_h + 1) / 2) * (y&1) + (y>>1);
 581
 582                     if ( tk->p_subpackets[i_index]  != NULL )
 583                     {
 584                         msg_Dbg(p_demux, "p_subpackets[ %d ] not null!",  i_index );
 585                         free( tk->p_subpackets[i_index] );
 586                     }
 587
 588                     tk->p_subpackets[i_index] = p_block;
 589                     tk->i_subpacket++;
 590                     p_block->i_dts = p_block->i_pts = 0;
 591                 }
 592                 tk->p_subpackets_timecode[tk->i_subpacket - num] = i_pts;
 593             }
 594
 595             if( tk->fmt.i_codec == VLC_FOURCC( '2', '8', '_', '8' ) ||
 596                 tk->fmt.i_codec == VLC_FOURCC( 's', 'i', 'p', 'r' ) )
 597             for( i = 0; i < tk->i_subpacket_h / 2; i++ )
 598             {
 599                 block_t *p_block = block_New( p_demux, tk->i_coded_frame_size);
 600                 memcpy( p_block->p_buffer, p_buf, tk->i_coded_frame_size );
 601                 p_buf += tk->i_coded_frame_size;
 602
 603                 i_index = (i * 2 * tk->i_frame_size) /
 604                     tk->i_coded_frame_size + y;
 605
 606                 p_block->i_dts = p_block->i_pts = i_pts;
 607                 tk->p_subpackets[i_index] = p_block;
 608                 tk->i_subpacket++;
 609             }
 610
 611             while( tk->i_out_subpacket != tk->i_subpackets &&
 612                    tk->p_subpackets[tk->i_out_subpacket] )
 613             {
 614                 /* Set the PCR */
 615 #if 0
 616                 if (tk->i_out_subpacket == 0)
 617                 {
 618                     p_sys->i_pcr = tk->p_subpackets[tk->i_out_subpacket]->i_dts;
 619                     es_out_Control( p_demux->out, ES_OUT_SET_PCR,
 620                             (int64_t)p_sys->i_pcr );
 621                 }
 622
 623                 block_t *p_block = tk->p_subpackets[tk->i_out_subpacket];
 624                 tk->p_subpackets[tk->i_out_subpacket] = 0;
 625
 626                 if( tk->i_out_subpacket ) p_block->i_dts = p_block->i_pts = 0;
 627 #endif
 628
 629                 block_t *p_block = tk->p_subpackets[tk->i_out_subpacket];
 630                 tk->p_subpackets[tk->i_out_subpacket] = 0;
 631                 if ( tk->p_subpackets_timecode[tk->i_out_subpacket]  )
 632                 {
 633                     p_block->i_dts = p_block->i_pts =
 634                         tk->p_subpackets_timecode[tk->i_out_subpacket];
 635                     tk->p_subpackets_timecode[tk->i_out_subpacket] = 0;
 636
 637                     p_sys->i_pcr = p_block->i_dts;
 638                     es_out_Control( p_demux->out, ES_OUT_SET_PCR,
 639                             (int64_t)p_sys->i_pcr );
 640                 }
 641                 es_out_Send( p_demux->out, tk->p_es, p_block );
 642
 643                 tk->i_out_subpacket++;
 644             }
 645
 646             if( tk->i_subpacket == tk->i_subpackets &&
 647                 tk->i_out_subpacket != tk->i_subpackets )
 648             {
 649                 msg_Warn( p_demux, "i_subpacket != i_out_subpacket, "
 650                           "this shouldn't happen" );
 651             }
 652
 653             if( tk->i_subpacket == tk->i_subpackets )
 654             {
 655                 tk->i_subpacket = 0;
 656                 tk->i_out_subpacket = 0;
 657             }
 658         }
 659         else
 660         {
 661             /* Set PCR */
 662             if( p_sys->i_pcr < i_pts )
 663             {
 664                 p_sys->i_pcr = i_pts;
 665                 es_out_Control( p_demux->out, ES_OUT_SET_PCR,
 666                         (int64_t)p_sys->i_pcr );
 667             }
 668
 669             if( tk->fmt.i_codec == VLC_FOURCC( 'm','p','4','a' ) )
 670             {
 671                 int     i_sub = (p_sys->buffer[1] >> 4)&0x0f;
 672                 uint8_t *p_sub = &p_sys->buffer[2+2*i_sub];
 673
 674                 int i;
 675                 for( i = 0; i < i_sub; i++ )
 676                 {
 677                     int i_sub_size = GetWBE( &p_sys->buffer[2+i*2]);
 678                     block_t *p_block = block_New( p_demux, i_sub_size );
 679                     if( p_block )
 680                     {
 681                         memcpy( p_block->p_buffer, p_sub, i_sub_size );
 682                         p_sub += i_sub_size;
 683
 684                         p_block->i_dts =
 685                             p_block->i_pts = ( i == 0 ? i_pts : 0 );
 686
 687                         es_out_Send( p_demux->out, tk->p_es, p_block );
 688                     }
 689                 }
 690             }
 691             else
 692             {
 693                 block_t *p_block = block_New( p_demux, i_size );
 694
 695                 if( tk->fmt.i_codec == VLC_FOURCC( 'a', '5', '2', ' ' ) )
 696                 {
 697                     uint8_t *src = p_sys->buffer;
 698                     uint8_t *dst = p_block->p_buffer;
 699
 700                     /* byte swap data */
 701                     while( dst < &p_block->p_buffer[i_size- 1])
 702                     {
 703                         *dst++ = src[1];
 704                         *dst++ = src[0];
 705
 706                         src += 2;
 707                     }
 708                 }
 709                 else
 710                 {
 711                     memcpy( p_block->p_buffer, p_sys->buffer, i_size );
 712                 }
 713                 p_block->i_dts = p_block->i_pts = i_pts;
 714                 es_out_Send( p_demux->out, tk->p_es, p_block );
 715             }
 716         }
 717     }
 718
 719
 720     return 1;
 721 }
 722
 723 /*****************************************************************************
 724  * Control:
 725  *****************************************************************************/
 726 static int Control( demux_t *p_demux, int i_query, va_list args )
 727 {
 728     demux_sys_t *p_sys = p_demux->p_sys;
 729     double f, *pf;
 730     int64_t i64;
 731     rm_index_t * p_index;
 732     int64_t *pi64;
 733
 734     switch( i_query )
 735     {
 736         case DEMUX_GET_POSITION:
 737             pf = (double*) va_arg( args, double* );
 738
 739             if( p_sys->i_our_duration > 0 )
 740             {
 741                 *pf = (double)p_sys->i_pcr / 1000.0 / p_sys->i_our_duration;
 742                 return VLC_SUCCESS;
 743             }
 744
 745             /* read stream size maybe failed in rtsp streaming,
 746                so use duration to determin the position at first  */
 747             i64 = stream_Size( p_demux->s );
 748             if( i64 > 0 )
 749             {
 750                 *pf = (double)1.0*stream_Tell( p_demux->s ) / (double)i64;
 751             }
 752             else
 753             {
 754                 *pf = 0.0;
 755             }
 756             return VLC_SUCCESS;
 757
 758         case DEMUX_GET_TIME:
 759             pi64 = (int64_t*)va_arg( args, int64_t * );
 760
 761             if( p_sys->i_our_duration > 0 )
 762             {
 763                 *pi64 = p_sys->i_pcr;
 764                 return VLC_SUCCESS;
 765             }
 766
 767             /* same as GET_POSTION */
 768             i64 = stream_Size( p_demux->s );
 769             if( p_sys->i_our_duration > 0 && i64 > 0 )
 770             {
 771                 *pi64 = (int64_t)( 1000.0 * p_sys->i_our_duration * stream_Tell( p_demux->s ) / i64 );
 772                 return VLC_SUCCESS;
 773             }
 774
 775             *pi64 = 0;
 776             return VLC_EGENERIC;
 777
 778         case DEMUX_SET_POSITION:
 779             f = (double) va_arg( args, double );
 780             i64 = (int64_t) ( stream_Size( p_demux->s ) * f );
 781
 782             if ( p_sys->i_index_offset == 0 && i64 != 0 )
 783             {
 784                 msg_Err(p_demux,"Seek No Index Real File failed!" );
 785                 return VLC_EGENERIC; // no index!
 786             }
 787             if ( i64 == 0 )
 788             {
 789                 /* it is a rtsp stream , it is specials in access/rtsp/... */
 790                 msg_Dbg(p_demux, "Seek in real rtsp stream!");
 791                 p_sys->i_pcr = (int64_t)1000 * ( p_sys->i_our_duration * f  );
 792
 793                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR , p_sys->i_pcr );
 794                 p_sys->b_seek = 1;
 795
 796                 return stream_Seek( p_demux->s, p_sys->i_pcr );
 797             }
 798
 799             if ( p_sys->i_index_offset > 0 )
 800             {
 801                 p_index = p_sys->p_index;
 802                 while( p_index->file_offset !=0 )
 803                 {
 804                     if ( p_index->file_offset > i64 )
 805                     {
 806                         msg_Dbg( p_demux, "Seek Real find! %d %d %d",
 807                                  p_index->time_offset, p_index->file_offset,
 808                                  (uint32_t) i64 );
 809                         if ( p_index != p_sys->p_index ) p_index --;
 810                         i64 = p_index->file_offset;
 811                         break;
 812                     }
 813                     p_index++;
 814                 }
 815
 816                 p_sys->i_pcr = 1000 * (int64_t) p_index->time_offset;
 817
 818                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR , p_sys->i_pcr );
 819
 820                 return stream_Seek( p_demux->s, i64 );
 821             }
 822         case DEMUX_SET_TIME:
 823             i64 = (int64_t) va_arg( args, int64_t ) / 1000;
 824
 825             p_index = p_sys->p_index;
 826             while( p_index->file_offset !=0 )
 827             {
 828                 if ( p_index->time_offset > i64 )
 829                 {
 830                     if ( p_index != p_sys->p_index )
 831                         p_index --;
 832                     i64 = p_index->file_offset;
 833                     break;
 834                 }
 835                 p_index++;
 836             }
 837
 838             p_sys->i_pcr = 1000 * (int64_t) p_index->time_offset;
 839             es_out_Control( p_demux->out, ES_OUT_RESET_PCR , p_sys->i_pcr );
 840
 841             return stream_Seek( p_demux->s, i64 );
 842
 843         case DEMUX_GET_LENGTH:
 844             pi64 = (int64_t*)va_arg( args, int64_t * );
 845
 846             /* the commented following lines are fen's implementation, which doesn't seem to
 847              * work for one reason or another -- FK */
 848             /*if( p_sys->i_mux_rate > 0 )
 849             {
 850                 *pi64 = (int64_t)1000000 * ( stream_Size( p_demux->s ) / 50 ) / p_sys->i_mux_rate;
 851                 return VLC_SUCCESS;
 852             }*/
 853             if( p_sys->i_our_duration > 0 )
 854             {
 855                 /* our stored duration is in ms, so... */
 856                 *pi64 = (int64_t)1000 * p_sys->i_our_duration;
 857
 858                 return VLC_SUCCESS;
 859             }
 860             *pi64 = 0;
 861             return VLC_EGENERIC;
 862
 863         case DEMUX_GET_META:
 864         {
 865             vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
 866
 867             /* the core will crash if we provide NULL strings, so check
 868              * every string first */
 869             if( p_sys->psz_title )
 870                 vlc_meta_SetTitle( p_meta, p_sys->psz_title );
 871             if( p_sys->psz_artist )
 872                 vlc_meta_SetArtist( p_meta, p_sys->psz_artist );
 873             if( p_sys->psz_copyright )
 874                 vlc_meta_SetCopyright( p_meta, p_sys->psz_copyright );
 875             if( p_sys->psz_description )
 876                 vlc_meta_SetDescription( p_meta, p_sys->psz_description );
 877             return VLC_SUCCESS;
 878         }
 879
 880         case DEMUX_GET_FPS:
 881         default:
 882             return VLC_EGENERIC;
 883     }
 884     return VLC_EGENERIC;
 885 }
 886
 887 /*****************************************************************************
 888  * ReadRealIndex:
 889  *****************************************************************************/
 890
 891 static void ReadRealIndex( demux_t *p_demux )
 892 {
 893     demux_sys_t *p_sys = p_demux->p_sys;
 894     uint8_t       buffer[100];
 895     uint32_t      i_id;
 896     uint32_t      i_size;
 897     int           i_version;
 898     unsigned int  i;
 899
 900     uint32_t      i_index_count;
 901
 902     if ( p_sys->i_index_offset == 0 )
 903         return;
 904
 905     stream_Seek( p_demux->s, p_sys->i_index_offset );
 906
 907     if ( stream_Read( p_demux->s, buffer, 20 ) < 20 )
 908         return ;
 909
 910     i_id = VLC_FOURCC( buffer[0], buffer[1], buffer[2], buffer[3] );
 911     i_size      = GetDWBE( &buffer[4] );
 912     i_version   = GetWBE( &buffer[8] );
 913
 914     msg_Dbg( p_demux, "Real index %4.4s size=%d version=%d",
 915                  (char*)&i_id, i_size, i_version );
 916
 917     if( (i_size < 20) && (i_id != VLC_FOURCC('I','N','D','X')) )
 918         return;
 919
 920     i_index_count = GetDWBE( &buffer[10] );
 921
 922     msg_Dbg( p_demux, "Real Index : num : %d ", i_index_count );
 923
 924     if( i_index_count == 0 )
 925         return;
 926
 927     if( GetDWBE( &buffer[16] ) > 0 )
 928         msg_Dbg( p_demux, "Real Index: Does next index exist? %d ",
 929                         GetDWBE( &buffer[16] )  );
 930
 931     p_sys->p_index =
 932             (rm_index_t *)malloc( sizeof( rm_index_t ) * (i_index_count+1) );
 933     if( p_sys->p_index == NULL )
 934     {
 935         msg_Err( p_demux, "Memory allocation error" );
 936         return;
 937     }
 938
 939     memset( p_sys->p_index, 0, sizeof(rm_index_t) * (i_index_count+1) );
 940
 941     for( i=0; i<i_index_count; i++ )
 942     {
 943         if( stream_Read( p_demux->s, buffer, 14 ) < 14 )
 944             return ;
 945
 946         if( GetWBE( &buffer[0] ) != 0 )
 947         {
 948             msg_Dbg( p_demux, "Real Index: invaild version of index entry %d ",
 949                               GetWBE( &buffer[0] ) );
 950             return;
 951         }
 952
 953         p_sys->p_index[i].time_offset = GetDWBE( &buffer[2] );
 954         p_sys->p_index[i].file_offset = GetDWBE( &buffer[6] );
 955         p_sys->p_index[i].frame_index = GetDWBE( &buffer[10] );
 956         msg_Dbg( p_demux, "Real Index: time %d file %d frame %d ",
 957                         p_sys->p_index[i].time_offset,
 958                         p_sys->p_index[i].file_offset,
 959                         p_sys->p_index[i].frame_index );
 960
 961     }
 962 }
 963
 964 /*****************************************************************************
 965  * HeaderRead:
 966  *****************************************************************************/
 967 static int HeaderRead( demux_t *p_demux )
 968 {
 969     demux_sys_t *p_sys = p_demux->p_sys;
 970     uint8_t header[100];    /* FIXME */
 971
 972     uint32_t    i_id;
 973     uint32_t    i_size;
 974     int64_t     i_skip;
 975     int         i_version;
 976     p_sys->p_meta = vlc_meta_New();
 977
 978     for( ;; )
 979     {
 980         /* Read the header */
 981         if( stream_Read( p_demux->s, header, 10 ) < 10 )
 982         {
 983             return VLC_EGENERIC;
 984         }
 985         i_id        = VLC_FOURCC( header[0], header[1], header[2], header[3] );
 986         i_size      = GetDWBE( &header[4] );
 987         i_version   = GetWBE( &header[8] );
 988
 989         msg_Dbg( p_demux, "object %4.4s size=%d version=%d",
 990                  (char*)&i_id, i_size, i_version );
 991
 992         if( i_size < 10 && i_id != VLC_FOURCC('D','A','T','A') )
 993         {
 994             msg_Dbg( p_demux, "invalid size for object %4.4s", (char*)&i_id );
 995             return VLC_EGENERIC;
 996         }
 997         i_skip = i_size - 10;
 998
 999         if( i_id == VLC_FOURCC('.','R','M','F') )
1000         {
1001             if( stream_Read( p_demux->s, header, 8 ) < 8 ) return VLC_EGENERIC;
1002             msg_Dbg( p_demux, "    - file version=0x%x num headers=%d",
1003                      GetDWBE( &header[0] ), GetDWBE( &header[4] ) );
1004
1005             i_skip -= 8;
1006         }
1007         else if( i_id == VLC_FOURCC('P','R','O','P') )
1008         {
1009             int i_flags;
1010
1011             if( stream_Read(p_demux->s, header, 40) < 40 ) return VLC_EGENERIC;
1012
1013             msg_Dbg( p_demux, "    - max bitrate=%d avg bitrate=%d",
1014                      GetDWBE(&header[0]), GetDWBE(&header[4]) );
1015             msg_Dbg( p_demux, "    - max packet size=%d avg bitrate=%d",
1016                      GetDWBE(&header[8]), GetDWBE(&header[12]) );
1017             msg_Dbg( p_demux, "    - packets count=%d", GetDWBE(&header[16]) );
1018             msg_Dbg( p_demux, "    - duration=%d ms", GetDWBE(&header[20]) );
1019             msg_Dbg( p_demux, "    - preroll=%d ms", GetDWBE(&header[24]) );
1020             msg_Dbg( p_demux, "    - index offset=%d", GetDWBE(&header[28]) );
1021             msg_Dbg( p_demux, "    - data offset=%d", GetDWBE(&header[32]) );
1022             msg_Dbg( p_demux, "    - num streams=%d", GetWBE(&header[36]) );
1023
1024             /* set the duration for export in control */
1025             p_sys->i_our_duration = (int)GetDWBE(&header[20]);
1026
1027             p_sys->i_index_offset = GetDWBE(&header[28]);
1028
1029             i_flags = GetWBE(&header[38]);
1030             msg_Dbg( p_demux, "    - flags=0x%x %s%s%s",
1031                      i_flags,
1032                      i_flags&0x0001 ? "PN_SAVE_ENABLED " : "",
1033                      i_flags&0x0002 ? "PN_PERFECT_PLAY_ENABLED " : "",
1034                      i_flags&0x0004 ? "PN_LIVE_BROADCAST" : "" );
1035             i_skip -= 40;
1036         }
1037         else if( i_id == VLC_FOURCC('C','O','N','T') )
1038         {
1039             int i_len;
1040             char *psz;
1041
1042             /* FIXME FIXME: should convert from whatever the character
1043              * encoding of the input meta data is to UTF-8. */
1044
1045             stream_Read( p_demux->s, header, 2 );
1046             if( ( i_len = GetWBE( header ) ) > 0 )
1047             {
1048                 psz = malloc( i_len + 1 );
1049                 stream_Read( p_demux->s, psz, i_len );
1050                 psz[i_len] = '\0';
1051
1052                 EnsureUTF8( psz );
1053                 msg_Dbg( p_demux, "    - title=`%s'", psz );
1054                 p_sys->psz_title = psz;
1055                 i_skip -= i_len;
1056             }
1057             i_skip -= 2;
1058
1059             stream_Read( p_demux->s, header, 2 );
1060             if( ( i_len = GetWBE( header ) ) > 0 )
1061             {
1062                 psz = malloc( i_len + 1 );
1063                 stream_Read( p_demux->s, psz, i_len );
1064                 psz[i_len] = '\0';
1065
1066                 EnsureUTF8( psz );
1067                 msg_Dbg( p_demux, "    - author=`%s'", psz );
1068                 p_sys->psz_artist = psz;
1069                 i_skip -= i_len;
1070             }
1071             i_skip -= 2;
1072
1073             stream_Read( p_demux->s, header, 2 );
1074             if( ( i_len = GetWBE( header ) ) > 0 )
1075             {
1076                 psz = malloc( i_len + 1 );
1077                 stream_Read( p_demux->s, psz, i_len );
1078                 psz[i_len] = '\0';
1079
1080                 EnsureUTF8( psz );
1081                 msg_Dbg( p_demux, "    - copyright=`%s'", psz );
1082                 p_sys->psz_copyright = psz;
1083                 i_skip -= i_len;
1084             }
1085             i_skip -= 2;
1086
1087             stream_Read( p_demux->s, header, 2 );
1088             if( ( i_len = GetWBE( header ) ) > 0 )
1089             {
1090                 psz = malloc( i_len + 1 );
1091                 stream_Read( p_demux->s, psz, i_len );
1092                 psz[i_len] = '\0';
1093
1094                 EnsureUTF8( psz );
1095                 msg_Dbg( p_demux, "    - comment=`%s'", psz );
1096                 p_sys->psz_description = psz;
1097                 i_skip -= i_len;
1098             }
1099             i_skip -= 2;
1100         }
1101         else if( i_id == VLC_FOURCC('M','D','P','R') )
1102         {
1103             /* Media properties header */
1104             int  i_num;
1105             int  i_len;
1106             char *psz;
1107
1108             if( stream_Read(p_demux->s, header, 30) < 30 ) return VLC_EGENERIC;
1109             i_num = GetWBE( header );
1110             msg_Dbg( p_demux, "    - id=0x%x", i_num );
1111             msg_Dbg( p_demux, "    - max bitrate=%d avg bitrate=%d",
1112                      GetDWBE(&header[2]), GetDWBE(&header[6]) );
1113             msg_Dbg( p_demux, "    - max packet size=%d avg packet size=%d",
1114                      GetDWBE(&header[10]), GetDWBE(&header[14]) );
1115             msg_Dbg( p_demux, "    - start time=%d", GetDWBE(&header[18]) );
1116             msg_Dbg( p_demux, "    - preroll=%d", GetDWBE(&header[22]) );
1117             msg_Dbg( p_demux, "    - duration=%d", GetDWBE(&header[26]) );
1118
1119             i_skip -= 30;
1120
1121             stream_Read( p_demux->s, header, 1 );
1122             if( ( i_len = header[0] ) > 0 )
1123             {
1124                 psz = malloc( i_len + 1 );
1125                 stream_Read( p_demux->s, psz, i_len );
1126                 psz[i_len] = '\0';
1127
1128                 msg_Dbg( p_demux, "    - name=`%s'", psz );
1129                 free( psz );
1130                 i_skip -= i_len;
1131             }
1132             i_skip--;
1133
1134             stream_Read( p_demux->s, header, 1 );
1135             if( ( i_len = header[0] ) > 0 )
1136             {
1137                 psz = malloc( i_len + 1 );
1138                 stream_Read( p_demux->s, psz, i_len );
1139                 psz[i_len] = '\0';
1140
1141                 msg_Dbg( p_demux, "    - mime=`%s'", psz );
1142                 free( psz );
1143                 i_skip -= i_len;
1144             }
1145             i_skip--;
1146
1147             stream_Read( p_demux->s, header, 4 );
1148             if( ( i_len = GetDWBE( header ) ) > 0 )
1149             {
1150                 ReadCodecSpecificData( p_demux, i_len, i_num );
1151                 stream_Read( p_demux->s, NULL, i_len );
1152
1153                 i_skip -= i_len;
1154             }
1155             i_skip -= 4;
1156         }
1157         else if( i_id == VLC_FOURCC('D','A','T','A') )
1158         {
1159             stream_Read( p_demux->s, header, 8 );
1160
1161             p_sys->i_data_offset    = stream_Tell( p_demux->s ) - 10;
1162             p_sys->i_data_size      = i_size;
1163             p_sys->i_data_packets_count = GetDWBE( header );
1164             p_sys->i_data_packets   = 0;
1165             p_sys->i_data_offset_next = GetDWBE( &header[4] );
1166
1167             msg_Dbg( p_demux, "    - packets count=%d next=%u",
1168                      p_sys->i_data_packets_count,
1169                      (uint32_t)p_sys->i_data_offset_next );
1170
1171             /* we have finished the header */
1172             break;
1173         }
1174         else
1175         {
1176             /* unknow header */
1177             msg_Dbg( p_demux, "unknown chunk" );
1178         }
1179
1180         if( i_skip < 0 ) return VLC_EGENERIC;
1181         stream_Read( p_demux->s, NULL, i_skip );
1182     }
1183
1184     /* TODO read index if possible */
1185
1186     if ( p_sys->i_index_offset > 0 )
1187     {
1188         int64_t pos;
1189         pos = stream_Tell( p_demux->s );
1190         ReadRealIndex( p_demux );
1191         stream_Seek( p_demux->s, pos );
1192     }
1193
1194     return VLC_SUCCESS;
1195 }
1196
1197 static const uint8_t * MetaRead( demux_t *p_demux, const uint8_t *p_peek )
1198 {
1199     demux_sys_t *p_sys = p_demux->p_sys;
1200
1201     int i_len;
1202     char *psz;
1203
1204     /* Title */
1205     i_len = *p_peek ; p_peek++;
1206     if( i_len > 0 )
1207     {
1208         psz = malloc( i_len + 1 );
1209         memcpy( psz, p_peek, i_len );
1210         psz[i_len] = '\0';
1211
1212         EnsureUTF8( psz );
1213         msg_Dbg( p_demux, "    - title=`%s'", psz );
1214         p_sys->psz_title = psz;
1215     }
1216     p_peek += i_len;
1217
1218     /* Authors */
1219     i_len = *p_peek ; p_peek++;
1220     if( i_len > 0 )
1221     {
1222         psz = malloc( i_len + 1 );
1223         memcpy( psz, p_peek, i_len );
1224         psz[i_len] = '\0';
1225
1226         EnsureUTF8( psz );
1227         msg_Dbg( p_demux, "    - artist=`%s'", psz );
1228         p_sys->psz_artist = psz;
1229     }
1230     p_peek += i_len;
1231
1232     /* Copyright */
1233     i_len = *p_peek ; p_peek++;
1234     if( i_len > 0 )
1235     {
1236         psz = malloc( i_len + 1 );
1237         memcpy( psz, p_peek, i_len );
1238         psz[i_len] = '\0';
1239
1240         EnsureUTF8( psz );
1241         msg_Dbg( p_demux, "    - Copyright=`%s'", psz );
1242         p_sys->psz_copyright = psz;
1243     }
1244     p_peek += i_len;
1245
1246     /* Comment */
1247     i_len = *p_peek ; p_peek++;
1248     if( i_len > 0 )
1249     {
1250         psz = malloc( i_len + 1 );
1251         memcpy( psz, p_peek, i_len );
1252         psz[i_len] = '\0';
1253
1254         EnsureUTF8( psz );
1255         msg_Dbg( p_demux, "    - Comment=`%s'", psz );
1256         p_sys->psz_description = psz;
1257     }
1258     p_peek += i_len;
1259
1260     return p_peek;
1261 }
1262
1263
1264 static int ReadCodecSpecificData( demux_t *p_demux, int i_len, int i_num )
1265 {
1266     demux_sys_t *p_sys = p_demux->p_sys;
1267     es_format_t fmt;
1268     real_track_t *tk;
1269     const uint8_t *p_peek;
1270
1271     msg_Dbg( p_demux, "    - specific data len=%d", i_len );
1272     if( stream_Peek(p_demux->s, &p_peek, i_len) < i_len ) return VLC_EGENERIC;
1273
1274     if( ( i_len >= 8 ) && !memcmp( &p_peek[4], "VIDO", 4 ) )
1275     {
1276         es_format_Init( &fmt, VIDEO_ES, VLC_FOURCC( p_peek[8], p_peek[9],
1277                         p_peek[10], p_peek[11] ) );
1278         fmt.video.i_width = GetWBE( &p_peek[12] );
1279         fmt.video.i_height= GetWBE( &p_peek[14] );
1280
1281         fmt.i_extra = 8;
1282         fmt.p_extra = malloc( 8 );
1283         ((uint32_t*)fmt.p_extra)[0] = GetDWBE( &p_peek[26] );
1284         ((uint32_t*)fmt.p_extra)[1] = GetDWBE( &p_peek[30] );
1285
1286         msg_Dbg( p_demux, "    - video 0x%08x 0x%08x",
1287                  ((uint32_t*)fmt.p_extra)[0], ((uint32_t*)fmt.p_extra)[1] );
1288
1289         if( GetDWBE( &p_peek[30] ) == 0x10003000 ||
1290             GetDWBE( &p_peek[30] ) == 0x10003001 )
1291         {
1292             fmt.i_codec = VLC_FOURCC( 'R','V','1','3' );
1293         }
1294         else if( GetDWBE( &p_peek[30] ) == 0x20001000 ||
1295                  GetDWBE( &p_peek[30] ) == 0x20100001 ||
1296                  GetDWBE( &p_peek[30] ) == 0x20200002 )
1297         {
1298             fmt.i_codec = VLC_FOURCC( 'R','V','2','0' );
1299         }
1300         else if( GetDWBE( &p_peek[30] ) == 0x30202002 )
1301         {
1302             fmt.i_codec = VLC_FOURCC( 'R','V','3','0' );
1303         }
1304         else if( GetDWBE( &p_peek[30] ) == 0x40000000 )
1305         {
1306             fmt.i_codec = VLC_FOURCC( 'R','V','4','0' );
1307         }
1308
1309         msg_Dbg( p_demux, "    - video %4.4s %dx%d",
1310                  (char*)&fmt.i_codec, fmt.video.i_width, fmt.video.i_height );
1311
1312         tk = malloc( sizeof( real_track_t ) );
1313         tk->i_out_subpacket = 0;
1314         tk->i_subpacket = 0;
1315         tk->i_subpackets = 0;
1316         tk->p_subpackets = NULL;
1317         tk->p_subpackets_timecode = NULL;
1318         tk->i_id = i_num;
1319         tk->fmt = fmt;
1320         tk->i_frame = 0;
1321         tk->p_frame = NULL;
1322         tk->p_es = es_out_Add( p_demux->out, &fmt );
1323
1324         TAB_APPEND( p_sys->i_track, p_sys->track, tk );
1325     }
1326     else if( !strncmp( (char *)p_peek, ".ra\xfd", 4 ) )
1327     {
1328         int i_header_size = 0;
1329         int i_flavor = 0;
1330         int i_coded_frame_size = 0;
1331         int i_subpacket_h = 0;
1332         int i_frame_size = 0;
1333         int i_subpacket_size = 0;
1334         char p_genr[4];
1335         int i_version = GetWBE( &p_peek[4] );   /* [0..3] = '.','r','a',0xfd */
1336         msg_Dbg( p_demux, "    - audio version=%d", i_version );
1337
1338         p_peek += 6;                                          /* 4 + version */
1339         es_format_Init( &fmt, AUDIO_ES, 0 );
1340
1341         if( i_version == 3 ) /* RMF version 3 or .ra version 3 */
1342         {
1343             i_header_size = GetWBE( p_peek ); p_peek += 2;  /* Size from now */
1344             p_peek += 10;                                         /* Unknown */
1345
1346             msg_Dbg( p_demux, "Data Size: %i", GetDWBE( p_peek ) );
1347             p_peek += 4;                                        /* Data Size */
1348
1349             /* Meta Datas */
1350             p_peek = MetaRead( p_demux, p_peek );
1351
1352             p_peek ++;                                            /* Unknown */
1353             p_peek ++;                                  /* FourCC length = 4 */
1354             memcpy( (char *)&fmt.i_codec, p_peek, 4 ); p_peek += 4; /* FourCC*/
1355
1356             fmt.audio.i_channels = 1;      /* This is always the case in rm3 */
1357             fmt.audio.i_rate = 8000;
1358
1359             msg_Dbg( p_demux, "    - audio codec=%4.4s channels=%d rate=%dHz",
1360                  (char*)&fmt.i_codec, fmt.audio.i_channels, fmt.audio.i_rate );
1361         }
1362         else  /* RMF version 4/5 or .ra version 4 */
1363         {
1364             p_peek += 2;                                            /* 00 00 */
1365             p_peek += 4;                                     /* .ra4 or .ra5 */
1366             p_peek += 4;                                        /* data size */
1367             p_peek += 2;                                 /* version (4 or 5) */
1368             i_header_size = GetDWBE( p_peek ); p_peek += 4;   /* header size */
1369             i_flavor = GetWBE( p_peek ); p_peek += 2;        /* codec flavor */
1370             i_coded_frame_size = GetDWBE( p_peek ); p_peek += 4; /* coded frame size*/
1371             p_peek += 4;                                               /* ?? */
1372             p_peek += 4;                                               /* ?? */
1373             p_peek += 4;                                               /* ?? */
1374             i_subpacket_h = GetWBE( p_peek ); p_peek += 2;              /* 1 */
1375             i_frame_size = GetWBE( p_peek ); p_peek += 2;      /* frame size */
1376             i_subpacket_size = GetWBE( p_peek ); p_peek += 2;  /* subpacket_size */
1377             if( (!i_subpacket_size && !p_sys->b_is_real_audio )
1378                 || !i_frame_size || !i_coded_frame_size )
1379                  return VLC_EGENERIC;
1380             p_peek += 2;                                               /* ?? */
1381
1382             if( i_version == 5 ) p_peek += 6;                 /* 0, srate, 0 */
1383
1384             fmt.audio.i_rate = GetWBE( p_peek ); p_peek += 2;  /* Sample Rate */
1385             p_peek += 2;                                                /* ?? */
1386             fmt.audio.i_bitspersample = GetWBE( p_peek ); p_peek += 2;/* Sure?*/
1387             fmt.audio.i_channels = GetWBE( p_peek ); p_peek += 2; /* Channels */
1388             fmt.audio.i_blockalign = i_frame_size;
1389
1390             if( i_version == 5 )
1391             {
1392                 memcpy( (char *)p_genr, p_peek, 4 ); p_peek += 4;    /* genr */
1393                 memcpy( (char *)&fmt.i_codec, p_peek, 4 ); p_peek += 4;
1394             }
1395             else /* version 4 */
1396             {
1397                 p_peek += 1 + p_peek[0];   /* Inteleaver ID string and lenth */
1398                 memcpy( (char *)&fmt.i_codec, p_peek + 1, 4 );     /* FourCC */
1399                 p_peek += 1 + p_peek[0];
1400             }
1401
1402             msg_Dbg( p_demux, "    - audio codec=%4.4s channels=%d rate=%dHz",
1403                  (char*)&fmt.i_codec, fmt.audio.i_channels, fmt.audio.i_rate );
1404
1405             p_peek += 3;                                               /* ?? */
1406
1407             if( p_sys->b_is_real_audio )
1408             {
1409                 p_peek = MetaRead( p_demux, p_peek );
1410             }
1411             else
1412             {
1413                 if( i_version == 5 ) p_peek++;
1414                 /* Extra Data then: DWord + byte[] */
1415                 fmt.i_extra = GetDWBE( p_peek ); p_peek += 4;
1416             }
1417         }
1418
1419         switch( fmt.i_codec )
1420         {
1421         case VLC_FOURCC('l','p','c','J'):
1422             fmt.i_codec = VLC_FOURCC( '1','4','_','4' );
1423         case VLC_FOURCC('1','4','_','4'):
1424             fmt.audio.i_blockalign = 0x14 ;
1425             break;
1426
1427         case VLC_FOURCC('2','8','_','8'):
1428             fmt.i_extra = 0;
1429             fmt.audio.i_blockalign = i_coded_frame_size;
1430             break;
1431
1432         case VLC_FOURCC( 'd','n','e','t' ):
1433             fmt.i_codec = VLC_FOURCC( 'a','5','2',' ' );
1434             break;
1435
1436         case VLC_FOURCC( 'r','a','a','c' ):
1437         case VLC_FOURCC( 'r','a','c','p' ):
1438             fmt.i_codec = VLC_FOURCC( 'm','p','4','a' );
1439
1440             if( fmt.i_extra > 0 ) { fmt.i_extra--; p_peek++; }
1441             if( fmt.i_extra > 0 )
1442             {
1443                 fmt.p_extra = malloc( fmt.i_extra );
1444                 if( fmt.p_extra == NULL )
1445                 {
1446                     msg_Err( p_demux, "Error in the extra data" );
1447                     return VLC_EGENERIC;
1448                 }
1449                 memcpy( fmt.p_extra, p_peek, fmt.i_extra );
1450             }
1451             break;
1452
1453         case VLC_FOURCC('s','i','p','r'):
1454             fmt.audio.i_flavor = i_flavor;
1455         case VLC_FOURCC('c','o','o','k'):
1456         case VLC_FOURCC('a','t','r','c'):
1457             if( !memcmp( p_genr, "genr", 4 ) )
1458                 fmt.audio.i_blockalign = i_subpacket_size;
1459             else
1460                 fmt.audio.i_blockalign = i_coded_frame_size;
1461
1462             if( fmt.i_extra > 0 )
1463             {
1464                 fmt.p_extra = malloc( fmt.i_extra );
1465                 if( fmt.p_extra == NULL )
1466                 {
1467                     msg_Err( p_demux, "Error in the extra data" );
1468                     return VLC_EGENERIC;
1469                 }
1470                 memcpy( fmt.p_extra, p_peek, fmt.i_extra );
1471             }
1472             break;
1473
1474         case VLC_FOURCC('r','a','l','f'):
1475             msg_Dbg( p_demux, "    - audio codec not supported=%4.4s",
1476                      (char*)&fmt.i_codec );
1477             break;
1478
1479         default:
1480             msg_Dbg( p_demux, "    - unknown audio codec=%4.4s",
1481                      (char*)&fmt.i_codec );
1482             break;
1483         }
1484
1485         if( fmt.i_codec != 0 )
1486         {
1487             msg_Dbg( p_demux, "        - extra data=%d", fmt.i_extra );
1488
1489             tk = malloc( sizeof( real_track_t ) );
1490             tk->i_id = i_num;
1491             tk->fmt = fmt;
1492             tk->i_frame = 0;
1493             tk->p_frame = NULL;
1494
1495             tk->i_subpacket_h = i_subpacket_h;
1496             tk->i_subpacket_size = i_subpacket_size;
1497             tk->i_coded_frame_size = i_coded_frame_size;
1498             tk->i_frame_size = i_frame_size;
1499
1500             tk->i_out_subpacket = 0;
1501             tk->i_subpacket = 0;
1502             tk->i_subpackets = 0;
1503             tk->p_subpackets = NULL;
1504             tk->p_subpackets_timecode = NULL;
1505             if( fmt.i_codec == VLC_FOURCC('c','o','o','k')
1506              || fmt.i_codec == VLC_FOURCC('a','t','r','c') )
1507             {
1508                 tk->i_subpackets =
1509                     i_subpacket_h * i_frame_size / tk->i_subpacket_size;
1510                 tk->p_subpackets =
1511                     calloc( tk->i_subpackets, sizeof(block_t *) );
1512                 tk->p_subpackets_timecode =
1513                     calloc( tk->i_subpackets , sizeof( int64_t ) );
1514             }
1515             else if( fmt.i_codec == VLC_FOURCC('2','8','_','8') )
1516             {
1517                 tk->i_subpackets =
1518                     i_subpacket_h * i_frame_size / tk->i_coded_frame_size;
1519                 tk->p_subpackets =
1520                     calloc( tk->i_subpackets, sizeof(block_t *) );
1521                 tk->p_subpackets_timecode =
1522                     calloc( tk->i_subpackets , sizeof( int64_t ) );
1523             }
1524
1525             /* Check if the calloc went correctly */
1526             if( tk->p_subpackets == NULL )
1527             {
1528                 tk->i_subpackets = 0;
1529                 msg_Err( p_demux, "Can't alloc subpacket" );
1530                 return VLC_EGENERIC;
1531             }
1532
1533             tk->p_es = es_out_Add( p_demux->out, &fmt );
1534
1535             TAB_APPEND( p_sys->i_track, p_sys->track, tk );
1536         }
1537     }
1538
1539     return VLC_SUCCESS;
1540 }
1541