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