git.sesse.net Git - vlc/blob - src/input/input.c

   1 /*****************************************************************************
   2  * input.c: input thread
   3  *****************************************************************************
   4  * Copyright (C) 1998-2004 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Christophe Massiot <massiot@via.ecp.fr>
   8  *          Laurent Aimar <fenrir@via.ecp.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <stdlib.h>
  29 #include <ctype.h>
  30
  31 #include <vlc/vlc.h>
  32 #include <vlc/input.h>
  33 #include <vlc/decoder.h>
  34 #include <vlc/vout.h>
  35
  36 #include "input_internal.h"
  37
  38 #include "stream_output.h"
  39 #include "vlc_playlist.h"
  40 #include "vlc_interface.h"
  41 #include "vlc_interaction.h"
  42
  43 #include "charset.h"
  44
  45 #ifdef HAVE_SYS_STAT_H
  46 #   include <sys/stat.h>
  47 #endif
  48
  49 /*****************************************************************************
  50  * Local prototypes
  51  *****************************************************************************/
  52 static  int Run  ( input_thread_t *p_input );
  53 static  int RunAndClean  ( input_thread_t *p_input );
  54
  55 static input_thread_t * Create  ( vlc_object_t *, input_item_t *, char *,
  56                                   vlc_bool_t );
  57 static  int             Init    ( input_thread_t *p_input );
  58 static void             Error   ( input_thread_t *p_input );
  59 static void             End     ( input_thread_t *p_input );
  60 static void             MainLoop( input_thread_t *p_input );
  61
  62 static inline int ControlPopNoLock( input_thread_t *, int *, vlc_value_t * );
  63 static void       ControlReduce( input_thread_t * );
  64 static vlc_bool_t Control( input_thread_t *, int, vlc_value_t );
  65
  66 static int  UpdateFromAccess( input_thread_t * );
  67 static int  UpdateFromDemux( input_thread_t * );
  68 static int  UpdateMeta( input_thread_t * );
  69
  70 static void UpdateItemLength( input_thread_t *, int64_t i_length );
  71
  72 static void DecodeUrl( char * );
  73 static void MRLSections( input_thread_t *, char *, int *, int *, int *, int *);
  74
  75 static input_source_t *InputSourceNew( input_thread_t *);
  76 static int  InputSourceInit( input_thread_t *, input_source_t *,
  77                              char *, char *psz_forced_demux );
  78 static void InputSourceClean( input_thread_t *, input_source_t * );
  79
  80 static void SlaveDemux( input_thread_t *p_input );
  81 static void SlaveSeek( input_thread_t *p_input );
  82
  83 static void InputMetaUser( input_thread_t *p_input );
  84
  85 /*****************************************************************************
  86  * This function creates a new input, and returns a pointer
  87  * to its description. On error, it returns NULL.
  88  *
  89  * Variables for _public_ use:
  90  * * Get and Set:
  91  *  - state
  92  *  - rate,rate-slower, rate-faster
  93  *  - position, position-offset
  94  *  - time, time-offset
  95  *  - title,title-next,title-prev
  96  *  - chapter,chapter-next, chapter-prev
  97  *  - program, audio-es, video-es, spu-es
  98  *  - audio-delay, spu-delay
  99  *  - bookmark
 100  * * Get only:
 101  *  - length
 102  *  - bookmarks
 103  *  - seekable (if you can seek, it doesn't say if 'bar display' has be shown or not, for that check position != 0.0)
 104  * * For intf callback upon changes
 105  *  - intf-change
 106  * TODO explain when Callback is called
 107  * TODO complete this list (?)
 108  *****************************************************************************/
 109 static input_thread_t *Create( vlc_object_t *p_parent, input_item_t *p_item,
 110                                char *psz_header, vlc_bool_t b_quick )
 111 {
 112     input_thread_t *p_input = NULL;                 /* thread descriptor */
 113     vlc_value_t val;
 114     int i;
 115
 116     /* Allocate descriptor */
 117     p_input = vlc_object_create( p_parent, VLC_OBJECT_INPUT );
 118     if( p_input == NULL )
 119     {
 120         msg_Err( p_parent, "out of memory" );
 121         return NULL;
 122     }
 123     p_input->b_preparsing = b_quick;
 124     p_input->psz_header = psz_header ? strdup( psz_header ) : NULL;
 125
 126     /* Init Common fields */
 127     p_input->b_eof = VLC_FALSE;
 128     p_input->b_can_pace_control = VLC_TRUE;
 129     p_input->i_start = 0;
 130     p_input->i_time  = 0;
 131     p_input->i_stop  = 0;
 132     p_input->i_title = 0;
 133     p_input->title   = NULL;
 134     p_input->i_title_offset = p_input->i_seekpoint_offset = 0;
 135     p_input->i_state = INIT_S;
 136     p_input->i_rate  = INPUT_RATE_DEFAULT;
 137     p_input->i_bookmark = 0;
 138     p_input->bookmark = NULL;
 139     p_input->p_meta  = NULL;
 140     p_input->p_es_out = NULL;
 141     p_input->p_sout  = NULL;
 142     p_input->b_out_pace_control = VLC_FALSE;
 143     p_input->i_pts_delay = 0;
 144
 145     /* Init Input fields */
 146     p_input->input.p_item = p_item;
 147     p_input->input.p_access = NULL;
 148     p_input->input.p_stream = NULL;
 149     p_input->input.p_demux  = NULL;
 150     p_input->input.b_title_demux = VLC_FALSE;
 151     p_input->input.i_title  = 0;
 152     p_input->input.title    = NULL;
 153     p_input->input.i_title_offset = p_input->input.i_seekpoint_offset = 0;
 154     p_input->input.b_can_pace_control = VLC_TRUE;
 155     p_input->input.b_eof = VLC_FALSE;
 156     p_input->input.i_cr_average = 0;
 157
 158     if( !p_input->input.p_item->p_meta )
 159         p_input->input.p_item->p_meta = vlc_meta_New();
 160     stats_ReinitInputStats( p_item->p_stats );
 161
 162     /* No slave */
 163     p_input->i_slave = 0;
 164     p_input->slave   = NULL;
 165
 166     /* Init control buffer */
 167     vlc_mutex_init( p_input, &p_input->lock_control );
 168     p_input->i_control = 0;
 169
 170     /* Parse input options */
 171     vlc_mutex_lock( &p_item->lock );
 172     for( i = 0; i < p_item->i_options; i++ )
 173     {
 174         var_OptionParse( p_input, p_item->ppsz_options[i] );
 175     }
 176     vlc_mutex_unlock( &p_item->lock );
 177
 178     /* Create Object Variables for private use only */
 179     input_ConfigVarInit( p_input );
 180
 181     /* Create Objects variables for public Get and Set */
 182     input_ControlVarInit( p_input );
 183     p_input->input.i_cr_average = var_GetInteger( p_input, "cr-average" );
 184
 185     if( !p_input->b_preparsing )
 186     {
 187         var_Get( p_input, "bookmarks", &val );
 188         if( val.psz_string )
 189         {
 190             /* FIXME: have a common cfg parsing routine used by sout and others */
 191             char *psz_parser, *psz_start, *psz_end;
 192             psz_parser = val.psz_string;
 193             while( (psz_start = strchr( psz_parser, '{' ) ) )
 194             {
 195                  seekpoint_t *p_seekpoint = vlc_seekpoint_New();
 196                  char backup;
 197                  psz_start++;
 198                  psz_end = strchr( psz_start, '}' );
 199                  if( !psz_end ) break;
 200                  psz_parser = psz_end + 1;
 201                  backup = *psz_parser;
 202                  *psz_parser = 0;
 203                  *psz_end = ',';
 204                  while( (psz_end = strchr( psz_start, ',' ) ) )
 205                  {
 206                      *psz_end = 0;
 207                      if( !strncmp( psz_start, "name=", 5 ) )
 208                      {
 209                          p_seekpoint->psz_name = psz_start + 5;
 210                      }
 211                      else if( !strncmp( psz_start, "bytes=", 6 ) )
 212                      {
 213                          p_seekpoint->i_byte_offset = atoll(psz_start + 6);
 214                      }
 215                      else if( !strncmp( psz_start, "time=", 5 ) )
 216                      {
 217                          p_seekpoint->i_time_offset = atoll(psz_start + 5) *
 218                                                         1000000;
 219                      }
 220                      psz_start = psz_end + 1;
 221                 }
 222                 msg_Dbg( p_input, "adding bookmark: %s, bytes="I64Fd", time="I64Fd,
 223                                   p_seekpoint->psz_name, p_seekpoint->i_byte_offset,
 224                                   p_seekpoint->i_time_offset );
 225                 input_Control( p_input, INPUT_ADD_BOOKMARK, p_seekpoint );
 226                 vlc_seekpoint_Delete( p_seekpoint );
 227                 *psz_parser = backup;
 228             }
 229             free( val.psz_string );
 230         }
 231     }
 232
 233     /* Remove 'Now playing' info as it is probably outdated */
 234     input_Control( p_input, INPUT_DEL_INFO, _(VLC_META_INFO_CAT),
 235                    VLC_META_NOW_PLAYING );     /* ? Don't translate as it might has been copied ? */
 236
 237     return p_input;
 238 }
 239
 240 /**
 241  * Initialize an input thread and run it. You will need to monitor the
 242  * thread to clean up after it is done
 243  *
 244  * \param p_parent a vlc_object
 245  * \param p_item an input item
 246  * \return a pointer to the spawned input thread
 247  */
 248 input_thread_t *__input_CreateThread( vlc_object_t *p_parent,
 249                                       input_item_t *p_item )
 250 {
 251     return __input_CreateThread2( p_parent, p_item, NULL );
 252 }
 253
 254
 255 /* Gruik ! */
 256 input_thread_t *__input_CreateThread2( vlc_object_t *p_parent,
 257                                        input_item_t *p_item,
 258                                        char *psz_header )
 259 {
 260     input_thread_t *p_input = NULL;      /* thread descriptor */
 261
 262     p_input = Create( p_parent, p_item, psz_header, VLC_FALSE );
 263     /* Now we can attach our new input */
 264     vlc_object_attach( p_input, p_parent );
 265
 266     /* Create thread and wait for its readiness. */
 267     if( vlc_thread_create( p_input, "input", Run,
 268                             VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
 269     {
 270         msg_Err( p_input, "cannot create input thread" );
 271         vlc_object_detach( p_input );
 272         vlc_object_destroy( p_input );
 273         return NULL;
 274     }
 275
 276     return p_input;
 277 }
 278
 279
 280 /**
 281  * Initialize an input thread and run it. This thread will clean after himself,
 282  * you can forget about it. It can work either in blocking or non-blocking mode
 283  *
 284  * \param p_parent a vlc_object
 285  * \param p_item an input item
 286  * \param b_block should we block until read is finished ?
 287  * \return the input object id if non blocking, an error code else
 288  */
 289 int __input_Read( vlc_object_t *p_parent, input_item_t *p_item,
 290                    vlc_bool_t b_block )
 291 {
 292     input_thread_t *p_input = NULL;         /* thread descriptor */
 293
 294     p_input = Create( p_parent, p_item, NULL, VLC_FALSE );
 295     /* Now we can attach our new input */
 296     vlc_object_attach( p_input, p_parent );
 297
 298     if( b_block )
 299     {
 300         RunAndClean( p_input );
 301         return VLC_SUCCESS;
 302     }
 303     else
 304     {
 305         if( vlc_thread_create( p_input, "input", RunAndClean,
 306                                VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
 307         {
 308             msg_Err( p_input, "cannot create input thread" );
 309             vlc_object_detach( p_input );
 310             vlc_object_destroy( p_input );
 311             return VLC_EGENERIC;
 312         }
 313     }
 314     return p_input->i_object_id;
 315 }
 316
 317 /**
 318  * Initialize an input and initialize it to preparse the item
 319  * This function is blocking. It will only accept to parse files
 320  *
 321  * \param p_parent a vlc_object_t
 322  * \param p_item an input item
 323  * \return VLC_SUCCESS or an error
 324  */
 325 int __input_Preparse( vlc_object_t *p_parent, input_item_t *p_item )
 326 {
 327     input_thread_t *p_input = NULL;           /* thread descriptor */
 328
 329     /* Allocate descriptor */
 330     p_input = Create( p_parent, p_item, NULL, VLC_TRUE );
 331     p_input->i_flags |= OBJECT_FLAGS_QUIET;
 332     p_input->i_flags |= OBJECT_FLAGS_NOINTERACT;
 333
 334     /* Now we can attach our new input */
 335     vlc_object_attach( p_input, p_parent );
 336
 337     Init( p_input );
 338
 339     /* Clean up master */
 340     InputSourceClean( p_input, &p_input->input );
 341
 342     /* Unload all modules */
 343     if( p_input->p_es_out ) input_EsOutDelete( p_input->p_es_out );
 344
 345     vlc_object_detach( p_input );
 346     vlc_object_destroy( p_input );
 347
 348     return VLC_SUCCESS;
 349 }
 350
 351 /**
 352  * Request a running input thread to stop and die
 353  *
 354  * \param the input thread to stop
 355  */
 356 void input_StopThread( input_thread_t *p_input )
 357 {
 358     vlc_list_t *p_list;
 359     int i;
 360
 361     /* Set die for input */
 362     p_input->b_die = VLC_TRUE;
 363
 364     /* We cannot touch p_input fields directly (we can from another thread),
 365      * so use the vlc_object_find way, it's perfectly safe */
 366
 367     /* Set die for all access */
 368     p_list = vlc_list_find( p_input, VLC_OBJECT_ACCESS, FIND_CHILD );
 369     for( i = 0; i < p_list->i_count; i++ )
 370     {
 371         p_list->p_values[i].p_object->b_die = VLC_TRUE;
 372     }
 373     vlc_list_release( p_list );
 374
 375     /* Set die for all stream */
 376     p_list = vlc_list_find( p_input, VLC_OBJECT_STREAM, FIND_CHILD );
 377     for( i = 0; i < p_list->i_count; i++ )
 378     {
 379         p_list->p_values[i].p_object->b_die = VLC_TRUE;
 380     }
 381     vlc_list_release( p_list );
 382
 383     /* Set die for all demux */
 384     p_list = vlc_list_find( p_input, VLC_OBJECT_DEMUX, FIND_CHILD );
 385     for( i = 0; i < p_list->i_count; i++ )
 386     {
 387         p_list->p_values[i].p_object->b_die = VLC_TRUE;
 388     }
 389     vlc_list_release( p_list );
 390
 391     input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
 392 }
 393
 394 /**
 395  * Clean up a dead input thread
 396  * This function does not return until the thread is effectively cancelled.
 397  *
 398  * \param the input thread to kill
 399  */
 400 void input_DestroyThread( input_thread_t *p_input )
 401 {
 402     /* Join the thread */
 403     vlc_thread_join( p_input );
 404
 405     /* Delete input lock (only after thread joined) */
 406     vlc_mutex_destroy( &p_input->lock_control );
 407
 408     /* TODO: maybe input_DestroyThread should also delete p_input instead
 409      * of the playlist but I'm not sure if it's possible */
 410 }
 411
 412 /*****************************************************************************
 413  * Run: main thread loop
 414  * This is the "normal" thread that spawns the input processing chain,
 415  * reads the stream, cleans up and waits
 416  *****************************************************************************/
 417 static int Run( input_thread_t *p_input )
 418 {
 419     /* Signal that the thread is launched */
 420     vlc_thread_ready( p_input );
 421
 422     if( Init( p_input ) )
 423     {
 424         /* If we failed, wait before we are killed, and exit */
 425         p_input->b_error = VLC_TRUE;
 426
 427         Error( p_input );
 428
 429         /* Tell we're dead */
 430         p_input->b_dead = VLC_TRUE;
 431
 432         return 0;
 433     }
 434
 435     MainLoop( p_input );
 436
 437     if( !p_input->b_eof && !p_input->b_error && p_input->input.b_eof )
 438     {
 439         /* We have finish to demux data but not to play them */
 440         while( !p_input->b_die )
 441         {
 442             if( input_EsOutDecodersEmpty( p_input->p_es_out ) )
 443                 break;
 444
 445             msg_Dbg( p_input, "waiting decoder fifos to empty" );
 446
 447             msleep( INPUT_IDLE_SLEEP );
 448         }
 449
 450         /* We have finished */
 451         p_input->b_eof = VLC_TRUE;
 452     }
 453
 454     /* Wait until we are asked to die */
 455     if( !p_input->b_die )
 456     {
 457         Error( p_input );
 458     }
 459
 460     /* Clean up */
 461     End( p_input );
 462
 463     return 0;
 464 }
 465
 466 /*****************************************************************************
 467  * RunAndClean: main thread loop
 468  * This is the "just forget me" thread that spawns the input processing chain,
 469  * reads the stream, cleans up and releases memory
 470  *****************************************************************************/
 471 static int RunAndClean( input_thread_t *p_input )
 472 {
 473     /* Signal that the thread is launched */
 474     vlc_thread_ready( p_input );
 475
 476     if( Init( p_input ) )
 477     {
 478         /* If we failed, just exit */
 479         return 0;
 480     }
 481
 482     MainLoop( p_input );
 483
 484     if( !p_input->b_eof && !p_input->b_error && p_input->input.b_eof )
 485     {
 486         /* We have finished demuxing data but not playing it */
 487         while( !p_input->b_die )
 488         {
 489             if( input_EsOutDecodersEmpty( p_input->p_es_out ) )
 490                 break;
 491
 492             msg_Dbg( p_input, "waiting decoder fifos to empty" );
 493
 494             msleep( INPUT_IDLE_SLEEP );
 495         }
 496
 497         /* We have finished */
 498         p_input->b_eof = VLC_TRUE;
 499     }
 500
 501     /* Clean up */
 502     End( p_input );
 503
 504     /* Release memory */
 505     vlc_object_detach( p_input );
 506     vlc_object_destroy( p_input );
 507
 508     return 0;
 509 }
 510
 511
 512 /*****************************************************************************
 513  * Main loop: Fill buffers from access, and demux
 514  *****************************************************************************/
 515 static void MainLoop( input_thread_t *p_input )
 516 {
 517     int64_t i_intf_update = 0;
 518     while( !p_input->b_die && !p_input->b_error && !p_input->input.b_eof )
 519     {
 520         vlc_bool_t b_force_update = VLC_FALSE;
 521         int i_ret;
 522         int i_type;
 523         vlc_value_t val;
 524
 525         /* Do the read */
 526         if( p_input->i_state != PAUSE_S  )
 527         {
 528             if( p_input->i_stop <= 0 || p_input->i_time < p_input->i_stop )
 529                 i_ret=p_input->input.p_demux->pf_demux(p_input->input.p_demux);
 530             else
 531                 i_ret = 0;  /* EOF */
 532
 533             if( i_ret > 0 )
 534             {
 535                 /* TODO */
 536                 if( p_input->input.b_title_demux &&
 537                     p_input->input.p_demux->info.i_update )
 538                 {
 539                     i_ret = UpdateFromDemux( p_input );
 540                     b_force_update = VLC_TRUE;
 541                 }
 542                 else if( !p_input->input.b_title_demux &&
 543                           p_input->input.p_access &&
 544                           p_input->input.p_access->info.i_update )
 545                 {
 546                     i_ret = UpdateFromAccess( p_input );
 547                     b_force_update = VLC_TRUE;
 548                 }
 549             }
 550
 551             if( i_ret == 0 )    /* EOF */
 552             {
 553                 vlc_value_t repeat;
 554
 555                 var_Get( p_input, "input-repeat", &repeat );
 556                 if( repeat.i_int == 0 )
 557                 {
 558                     /* End of file - we do not set b_die because only the
 559                      * playlist is allowed to do so. */
 560                     msg_Dbg( p_input, "EOF reached" );
 561                     p_input->input.b_eof = VLC_TRUE;
 562                 }
 563                 else
 564                 {
 565                     msg_Dbg( p_input, "repeating the same input (%d)",
 566                              repeat.i_int );
 567                     if( repeat.i_int > 0 )
 568                     {
 569                         repeat.i_int--;
 570                         var_Set( p_input, "input-repeat", repeat );
 571                     }
 572
 573                     /* Seek to start title/seekpoint */
 574                     val.i_int = p_input->input.i_title_start -
 575                         p_input->input.i_title_offset;
 576                     if( val.i_int < 0 || val.i_int >= p_input->input.i_title )
 577                         val.i_int = 0;
 578                     input_ControlPush( p_input,
 579                                        INPUT_CONTROL_SET_TITLE, &val );
 580
 581                     val.i_int = p_input->input.i_seekpoint_start -
 582                         p_input->input.i_seekpoint_offset;
 583                     if( val.i_int > 0 /* TODO: check upper boundary */ )
 584                         input_ControlPush( p_input,
 585                                            INPUT_CONTROL_SET_SEEKPOINT, &val );
 586
 587                     /* Seek to start position */
 588                     if( p_input->i_start > 0 )
 589                     {
 590                         val.i_time = p_input->i_start;
 591                         input_ControlPush( p_input, INPUT_CONTROL_SET_TIME,
 592                                            &val );
 593                     }
 594                     else
 595                     {
 596                         val.f_float = 0.0;
 597                         input_ControlPush( p_input, INPUT_CONTROL_SET_POSITION,
 598                                            &val );
 599                     }
 600                 }
 601             }
 602             else if( i_ret < 0 )
 603             {
 604                 p_input->b_error = VLC_TRUE;
 605             }
 606
 607             if( i_ret > 0 && p_input->i_slave > 0 )
 608             {
 609                 SlaveDemux( p_input );
 610             }
 611         }
 612         else
 613         {
 614             /* Small wait */
 615             msleep( 10*1000 );
 616         }
 617
 618         /* Handle control */
 619         vlc_mutex_lock( &p_input->lock_control );
 620         ControlReduce( p_input );
 621         while( !ControlPopNoLock( p_input, &i_type, &val ) )
 622         {
 623             msg_Dbg( p_input, "control type=%d", i_type );
 624             if( Control( p_input, i_type, val ) )
 625                 b_force_update = VLC_TRUE;
 626         }
 627         vlc_mutex_unlock( &p_input->lock_control );
 628
 629         if( b_force_update || i_intf_update < mdate() )
 630         {
 631             vlc_value_t val;
 632             double f_pos;
 633             int64_t i_time, i_length;
 634             /* update input status variables */
 635             if( !demux2_Control( p_input->input.p_demux,
 636                                  DEMUX_GET_POSITION, &f_pos ) )
 637             {
 638                 val.f_float = (float)f_pos;
 639                 var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
 640             }
 641             if( !demux2_Control( p_input->input.p_demux,
 642                                  DEMUX_GET_TIME, &i_time ) )
 643             {
 644                 p_input->i_time = i_time;
 645                 val.i_time = i_time;
 646                 var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
 647             }
 648             if( !demux2_Control( p_input->input.p_demux,
 649                                  DEMUX_GET_LENGTH, &i_length ) )
 650             {
 651                 vlc_value_t old_val;
 652                 var_Get( p_input, "length", &old_val );
 653                 val.i_time = i_length;
 654                 var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
 655
 656                 if( old_val.i_time != val.i_time )
 657                 {
 658                     UpdateItemLength( p_input, i_length );
 659                 }
 660             }
 661
 662             var_SetBool( p_input, "intf-change", VLC_TRUE );
 663             i_intf_update = mdate() + I64C(150000);
 664         }
 665     }
 666 }
 667
 668
 669 static int Init( input_thread_t * p_input )
 670 {
 671     char *psz;
 672     char *psz_subtitle;
 673     vlc_value_t val;
 674     double f_fps;
 675     vlc_meta_t *p_meta;
 676     int i_es_out_mode;
 677     int i, i_delay;
 678
 679     /* Initialize optional stream output. (before access/demuxer)
 680      * XXX: we add a special case if the uri starts by vlc.
 681      * else 'vlc in.file --sout "" vlc:quit'  cannot work (the output will
 682      * be destroyed in case of a file).
 683      * (this will break playing of file starting by 'vlc:' but I don't
 684      * want to add more logic, just force file by file:// or code it ;)
 685      */
 686     memset( &p_input->counters, 0, sizeof( p_input->counters ) );
 687     if( !p_input->b_preparsing )
 688     {
 689         /* Prepare statistics */
 690 #define INIT_COUNTER( p, type, compute ) p_input->counters.p_##p = \
 691      stats_CounterCreate( p_input, VLC_VAR_##type, STATS_##compute);
 692         if( p_input->p_libvlc->b_stats )
 693         {
 694             INIT_COUNTER( read_bytes, INTEGER, COUNTER );
 695             INIT_COUNTER( read_packets, INTEGER, COUNTER );
 696             INIT_COUNTER( demux_read, INTEGER, COUNTER );
 697             INIT_COUNTER( input_bitrate, FLOAT, DERIVATIVE );
 698             INIT_COUNTER( demux_bitrate, FLOAT, DERIVATIVE );
 699             INIT_COUNTER( played_abuffers, INTEGER, COUNTER );
 700             INIT_COUNTER( lost_abuffers, INTEGER, COUNTER );
 701             INIT_COUNTER( displayed_pictures, INTEGER, COUNTER );
 702             INIT_COUNTER( lost_pictures, INTEGER, COUNTER );
 703             INIT_COUNTER( decoded_audio, INTEGER, COUNTER );
 704             INIT_COUNTER( decoded_video, INTEGER, COUNTER );
 705             INIT_COUNTER( decoded_sub, INTEGER, COUNTER );
 706             p_input->counters.p_sout_send_bitrate = NULL;
 707             p_input->counters.p_sout_sent_packets = NULL;
 708             p_input->counters.p_sout_sent_bytes = NULL;
 709             if( p_input->counters.p_demux_bitrate )
 710                 p_input->counters.p_demux_bitrate->update_interval = 1000000;
 711             if( p_input->counters.p_input_bitrate )
 712                 p_input->counters.p_input_bitrate->update_interval = 1000000;
 713         }
 714         vlc_mutex_init( p_input, &p_input->counters.counters_lock );
 715
 716         /* handle sout */
 717         psz = var_GetString( p_input, "sout" );
 718         if( *psz && strncasecmp( p_input->input.p_item->psz_uri, "vlc:", 4 ) )
 719         {
 720             p_input->p_sout = sout_NewInstance( p_input, psz );
 721             if( p_input->p_sout == NULL )
 722             {
 723                 msg_Err( p_input, "cannot start stream output instance, " \
 724                                   "aborting" );
 725                 free( psz );
 726                 return VLC_EGENERIC;
 727             }
 728             if( p_input->p_libvlc->b_stats )
 729             {
 730                 INIT_COUNTER( sout_sent_packets, INTEGER, COUNTER );
 731                 INIT_COUNTER (sout_sent_bytes, INTEGER, COUNTER );
 732                 INIT_COUNTER( sout_send_bitrate, FLOAT, DERIVATIVE );
 733                 if( p_input->counters.p_sout_send_bitrate )
 734                      p_input->counters.p_sout_send_bitrate->update_interval =
 735                              1000000;
 736             }
 737         }
 738         free( psz );
 739     }
 740
 741     /* Create es out */
 742     p_input->p_es_out = input_EsOutNew( p_input );
 743     es_out_Control( p_input->p_es_out, ES_OUT_SET_ACTIVE, VLC_FALSE );
 744     es_out_Control( p_input->p_es_out, ES_OUT_SET_MODE, ES_OUT_MODE_NONE );
 745
 746     var_Create( p_input, "bit-rate", VLC_VAR_INTEGER );
 747     var_Create( p_input, "sample-rate", VLC_VAR_INTEGER );
 748
 749     if( InputSourceInit( p_input, &p_input->input,
 750                          p_input->input.p_item->psz_uri, NULL ) )
 751     {
 752         goto error;
 753     }
 754
 755     /* Create global title (from master) */
 756     if( !p_input->b_preparsing )
 757     {
 758         p_input->i_title = p_input->input.i_title;
 759         p_input->title   = p_input->input.title;
 760         p_input->i_title_offset = p_input->input.i_title_offset;
 761         p_input->i_seekpoint_offset = p_input->input.i_seekpoint_offset;
 762         if( p_input->i_title > 0 )
 763         {
 764             /* Setup variables */
 765             input_ControlVarNavigation( p_input );
 766             input_ControlVarTitle( p_input, 0 );
 767         }
 768
 769         /* Global flag */
 770         p_input->b_can_pace_control = p_input->input.b_can_pace_control;
 771         p_input->b_can_pause        = p_input->input.b_can_pause;
 772
 773         /* Fix pts delay */
 774         if( p_input->i_pts_delay < 0 )
 775             p_input->i_pts_delay = 0;
 776
 777         /* If the desynchronisation requested by the user is < 0, we need to
 778          * cache more data. */
 779         var_Get( p_input, "audio-desync", &val );
 780         if( val.i_int < 0 ) p_input->i_pts_delay -= (val.i_int * 1000);
 781
 782         /* Update cr_average depending on the caching */
 783         p_input->input.i_cr_average *= (10 * p_input->i_pts_delay / 200000);
 784         p_input->input.i_cr_average /= 10;
 785         if( p_input->input.i_cr_average < 10 ) p_input->input.i_cr_average = 10;
 786     }
 787
 788     /* Load master infos */
 789     /* Init length */
 790     if( !demux2_Control( p_input->input.p_demux, DEMUX_GET_LENGTH,
 791                          &val.i_time ) && val.i_time > 0 )
 792     {
 793         var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
 794         UpdateItemLength( p_input, val.i_time );
 795         p_input->input.p_item->i_duration = val.i_time;
 796     }
 797
 798     /* Start title/chapter */
 799     if( !p_input->b_preparsing )
 800     {
 801         val.i_int = p_input->input.i_title_start -
 802                     p_input->input.i_title_offset;
 803         if( val.i_int > 0 && val.i_int < p_input->input.i_title )
 804             input_ControlPush( p_input, INPUT_CONTROL_SET_TITLE, &val );
 805         val.i_int = p_input->input.i_seekpoint_start -
 806                     p_input->input.i_seekpoint_offset;
 807         if( val.i_int > 0 /* TODO: check upper boundary */ )
 808             input_ControlPush( p_input, INPUT_CONTROL_SET_SEEKPOINT, &val );
 809
 810         /* Start time*/
 811         /* Set start time */
 812         p_input->i_start = (int64_t)var_GetInteger( p_input, "start-time" ) *
 813                            I64C(1000000);
 814         p_input->i_stop  = (int64_t)var_GetInteger( p_input, "stop-time" ) *
 815                            I64C(1000000);
 816
 817         if( p_input->i_start > 0 )
 818         {
 819             if( p_input->i_start >= val.i_time )
 820             {
 821                 msg_Warn( p_input, "invalid start-time ignored" );
 822             }
 823             else
 824             {
 825                 vlc_value_t s;
 826
 827                 msg_Dbg( p_input, "starting at time: %ds",
 828                                   (int)( p_input->i_start / I64C(1000000) ) );
 829
 830                 s.i_time = p_input->i_start;
 831                 input_ControlPush( p_input, INPUT_CONTROL_SET_TIME, &s );
 832             }
 833         }
 834         if( p_input->i_stop > 0 && p_input->i_stop <= p_input->i_start )
 835         {
 836             msg_Warn( p_input, "invalid stop-time ignored" );
 837             p_input->i_stop = 0;
 838         }
 839
 840
 841         /* Load subtitles */
 842         /* Get fps and set it if not already set */
 843         if( !demux2_Control( p_input->input.p_demux, DEMUX_GET_FPS, &f_fps ) &&
 844             f_fps > 1.0 )
 845         {
 846             float f_requested_fps;
 847
 848             var_Create( p_input, "sub-original-fps", VLC_VAR_FLOAT );
 849             var_SetFloat( p_input, "sub-original-fps", f_fps );
 850
 851             f_requested_fps = var_CreateGetFloat( p_input, "sub-fps" );
 852             if( f_requested_fps != f_fps )
 853             {
 854                 var_Create( p_input, "sub-fps", VLC_VAR_FLOAT|
 855                                                 VLC_VAR_DOINHERIT );
 856                 var_SetFloat( p_input, "sub-fps", f_requested_fps );
 857             }
 858         }
 859
 860         i_delay = var_CreateGetInteger( p_input, "sub-delay" );
 861         if( i_delay != 0 )
 862         {
 863             var_SetTime( p_input, "spu-delay", (mtime_t)i_delay * 100000 );
 864         }
 865
 866
 867         /* Look for and add subtitle files */
 868         psz_subtitle = var_GetString( p_input, "sub-file" );
 869         if( *psz_subtitle )
 870         {
 871             msg_Dbg( p_input, "forced subtitle: %s", psz_subtitle );
 872             input_AddSubtitles( p_input, psz_subtitle, VLC_FALSE );
 873         }
 874
 875         var_Get( p_input, "sub-autodetect-file", &val );
 876         if( val.b_bool )
 877         {
 878             char *psz_autopath = var_GetString( p_input, "sub-autodetect-path" );
 879             char **subs = subtitles_Detect( p_input, psz_autopath,
 880                                             p_input->input.p_item->psz_uri );
 881             input_source_t *sub;
 882
 883             i = 0;
 884
 885             /* Try to autoselect the first autodetected subtitles file
 886              * if no subtitles file was specified */
 887             if( *psz_subtitle == 0 && subs && subs[0] )
 888             {
 889                 input_AddSubtitles( p_input, subs[0], VLC_FALSE );
 890                 free( subs[0] );
 891                 i = 1;
 892             }
 893
 894             /* Then, just add the following subtitles files */
 895             for( ; subs && subs[i]; i++ )
 896             {
 897                 if( strcmp( psz_subtitle, subs[i] ) )
 898                 {
 899                     sub = InputSourceNew( p_input );
 900                     if( !InputSourceInit( p_input, sub, subs[i], "subtitle" ) )
 901                     {
 902                         TAB_APPEND( p_input->i_slave, p_input->slave, sub );
 903                     }
 904                 }
 905                 free( subs[i] );
 906             }
 907             if( subs ) free( subs );
 908             if( psz_autopath ) free( psz_autopath );
 909         }
 910         free( psz_subtitle );
 911
 912         /* Look for slave */
 913         psz = var_GetString( p_input, "input-slave" );
 914         if( *psz )
 915         {
 916             char *psz_delim;
 917             input_source_t *slave;
 918             while( psz && *psz )
 919             {
 920                 while( *psz == ' ' || *psz == '#' )
 921                 {
 922                     psz++;
 923                 }
 924                 if( ( psz_delim = strchr( psz, '#' ) ) )
 925                 {
 926                     *psz_delim++ = '\0';
 927                 }
 928                 if( *psz == 0 )
 929                 {
 930                     break;
 931                 }
 932
 933                 msg_Dbg( p_input, "adding slave input '%s'", psz );
 934                 slave = InputSourceNew( p_input );
 935                 if( !InputSourceInit( p_input, slave, psz, NULL ) )
 936                 {
 937                     TAB_APPEND( p_input->i_slave, p_input->slave, slave );
 938                 }
 939                 psz = psz_delim;
 940             }
 941         }
 942         if( psz ) free( psz );
 943     }
 944     else
 945     {
 946         p_input->i_start = 0;
 947         p_input->i_start = 0;
 948     }
 949
 950     /* Set up es_out */
 951     if( !p_input->b_preparsing )
 952     {
 953         es_out_Control( p_input->p_es_out, ES_OUT_SET_ACTIVE, VLC_TRUE );
 954         i_es_out_mode = ES_OUT_MODE_AUTO;
 955         val.p_list = NULL;
 956         if( p_input->p_sout )
 957         {
 958             var_Get( p_input, "sout-all", &val );
 959             if ( val.b_bool )
 960             {
 961                 i_es_out_mode = ES_OUT_MODE_ALL;
 962                 val.p_list = NULL;
 963             }
 964             else
 965             {
 966                 var_Get( p_input, "programs", &val );
 967                 if ( val.p_list && val.p_list->i_count )
 968                 {
 969                     i_es_out_mode = ES_OUT_MODE_PARTIAL;
 970                     /* Note : we should remove the "program" callback. */
 971                 }
 972                 else
 973                     var_Change( p_input, "programs", VLC_VAR_FREELIST, &val,
 974                                 NULL );
 975             }
 976         }
 977         es_out_Control( p_input->p_es_out, ES_OUT_SET_MODE, i_es_out_mode );
 978
 979         /* Inform the demuxer about waited group (needed only for DVB) */
 980         if( i_es_out_mode == ES_OUT_MODE_ALL )
 981         {
 982             demux2_Control( p_input->input.p_demux, DEMUX_SET_GROUP, -1, NULL );
 983         }
 984         else if( i_es_out_mode == ES_OUT_MODE_PARTIAL )
 985         {
 986             demux2_Control( p_input->input.p_demux, DEMUX_SET_GROUP, -1,
 987                             val.p_list );
 988         }
 989         else
 990         {
 991             demux2_Control( p_input->input.p_demux, DEMUX_SET_GROUP,
 992                            (int) var_GetInteger( p_input, "program" ), NULL );
 993         }
 994
 995         if( p_input->p_sout )
 996         {
 997             if( p_input->p_sout->i_out_pace_nocontrol > 0 )
 998             {
 999                 p_input->b_out_pace_control = VLC_FALSE;
1000             }
1001             else
1002             {
1003                 p_input->b_out_pace_control = VLC_TRUE;
1004             }
1005
1006             if( p_input->b_can_pace_control && p_input->b_out_pace_control )
1007             {
1008                 /* We don't want a high input priority here or we'll
1009                  * end-up sucking up all the CPU time */
1010                 vlc_thread_set_priority( p_input, VLC_THREAD_PRIORITY_LOW );
1011             }
1012
1013             msg_Dbg( p_input, "starting in %s mode",
1014                      p_input->b_out_pace_control ? "async" : "sync" );
1015         }
1016     }
1017
1018     p_meta = p_input->input.p_item->p_meta;
1019     /* Get meta data from users */
1020     InputMetaUser( p_input );
1021     /* Get meta data from master input */
1022     demux2_Control( p_input->input.p_demux, DEMUX_GET_META, p_meta );
1023
1024     /* Access_file does not give any meta, and there are no slave */
1025     if( !p_input->b_preparsing )
1026     {
1027         if( p_input->input.p_access )
1028             access2_Control( p_input->input.p_access, ACCESS_GET_META,
1029                              p_meta );
1030
1031         /* Get meta data from slave input */
1032         for( i = 0; i < p_input->i_slave; i++ )
1033         {
1034             demux2_Control( p_input->slave[i]->p_demux,
1035                             DEMUX_GET_META, p_meta );
1036             if( p_input->slave[i]->p_access )
1037             {
1038                 access2_Control( p_input->slave[i]->p_access,
1039                                  ACCESS_GET_META, p_meta );
1040             }
1041         }
1042     }
1043
1044     UpdateMeta( p_input );
1045
1046     if( !p_input->b_preparsing )
1047     {
1048         msg_Dbg( p_input, "`%s' successfully opened",
1049                  p_input->input.p_item->psz_uri );
1050
1051     }
1052
1053     /* initialization is complete */
1054     input_ChangeState(p_input, PLAYING_S);
1055
1056     return VLC_SUCCESS;
1057
1058 error:
1059     if( p_input->p_es_out )
1060         input_EsOutDelete( p_input->p_es_out );
1061
1062     if( p_input->p_sout )
1063         sout_DeleteInstance( p_input->p_sout );
1064
1065     /* Mark them deleted */
1066     p_input->input.p_demux = NULL;
1067     p_input->input.p_stream = NULL;
1068     p_input->input.p_access = NULL;
1069     p_input->p_es_out = NULL;
1070     p_input->p_sout = NULL;
1071
1072     return VLC_EGENERIC;
1073 }
1074
1075 /*****************************************************************************
1076  * Error: RunThread() error loop
1077  *****************************************************************************
1078  * This function is called when an error occurred during thread main's loop.
1079  *****************************************************************************/
1080 static void Error( input_thread_t *p_input )
1081 {
1082     while( !p_input->b_die )
1083     {
1084         /* Sleep a while */
1085         msleep( INPUT_IDLE_SLEEP );
1086     }
1087 }
1088
1089 /*****************************************************************************
1090  * End: end the input thread
1091  *****************************************************************************/
1092 static void End( input_thread_t * p_input )
1093 {
1094     int i;
1095
1096     msg_Dbg( p_input, "closing input" );
1097
1098     /* We are at the end */
1099     input_ChangeState(p_input, END_S);
1100
1101     /* Clean control variables */
1102     input_ControlVarClean( p_input );
1103
1104     /* Clean up master */
1105     InputSourceClean( p_input, &p_input->input );
1106
1107     /* Delete slave */
1108     for( i = 0; i < p_input->i_slave; i++ )
1109     {
1110         InputSourceClean( p_input, p_input->slave[i] );
1111         free( p_input->slave[i] );
1112     }
1113     if( p_input->slave ) free( p_input->slave );
1114
1115     /* Unload all modules */
1116     if( p_input->p_es_out )
1117         input_EsOutDelete( p_input->p_es_out );
1118
1119 #define CL_CO( c ) stats_CounterClean( p_input->counters.p_##c ); p_input->counters.p_##c = NULL;
1120     if( p_input->p_libvlc->b_stats )
1121     {
1122         vlc_mutex_lock( &p_input->counters.counters_lock );
1123         CL_CO( read_bytes );
1124         CL_CO( read_packets );
1125         CL_CO( demux_read );
1126         CL_CO( input_bitrate );
1127         CL_CO( demux_bitrate );
1128         CL_CO( played_abuffers );
1129         CL_CO( lost_abuffers );
1130         CL_CO( displayed_pictures );
1131         CL_CO( lost_pictures );
1132         CL_CO( decoded_audio) ;
1133         CL_CO( decoded_video );
1134         CL_CO( decoded_sub) ;
1135         vlc_mutex_unlock( &p_input->counters.counters_lock );
1136     }
1137
1138     /* Close optional stream output instance */
1139     if( p_input->p_sout )
1140     {
1141         vlc_value_t keep;
1142
1143         vlc_mutex_lock( &p_input->counters.counters_lock );
1144         CL_CO( sout_sent_packets );
1145         CL_CO( sout_sent_bytes );
1146         CL_CO( sout_send_bitrate );
1147         vlc_mutex_unlock( &p_input->counters.counters_lock );
1148
1149         if( var_Get( p_input, "sout-keep", &keep ) >= 0 && keep.b_bool )
1150         {
1151             /* attach sout to the playlist */
1152             msg_Dbg( p_input, "keeping sout" );
1153             vlc_object_detach( p_input->p_sout );
1154             vlc_object_attach( p_input->p_sout, p_input->p_libvlc->p_playlist );
1155         }
1156         else
1157         {
1158             msg_Dbg( p_input, "destroying sout" );
1159             sout_DeleteInstance( p_input->p_sout );
1160         }
1161     }
1162
1163 #undef CL_CO
1164     /* Tell we're dead */
1165     p_input->b_dead = VLC_TRUE;
1166 }
1167
1168 /*****************************************************************************
1169  * Control
1170  *****************************************************************************/
1171 static inline int ControlPopNoLock( input_thread_t *p_input,
1172                                     int *pi_type, vlc_value_t *p_val )
1173 {
1174     if( p_input->i_control <= 0 )
1175     {
1176         return VLC_EGENERIC;
1177     }
1178
1179     *pi_type = p_input->control[0].i_type;
1180     *p_val   = p_input->control[0].val;
1181
1182     p_input->i_control--;
1183     if( p_input->i_control > 0 )
1184     {
1185         int i;
1186
1187         for( i = 0; i < p_input->i_control; i++ )
1188         {
1189             p_input->control[i].i_type = p_input->control[i+1].i_type;
1190             p_input->control[i].val    = p_input->control[i+1].val;
1191         }
1192     }
1193
1194     return VLC_SUCCESS;
1195 }
1196
1197 static void ControlReduce( input_thread_t *p_input )
1198 {
1199     int i;
1200     for( i = 1; i < p_input->i_control; i++ )
1201     {
1202         const int i_lt = p_input->control[i-1].i_type;
1203         const int i_ct = p_input->control[i].i_type;
1204
1205         /* XXX We can't merge INPUT_CONTROL_SET_ES */
1206 /*        msg_Dbg( p_input, "[%d/%d] l=%d c=%d", i, p_input->i_control,
1207                  i_lt, i_ct );
1208 */
1209         if( i_lt == i_ct &&
1210             ( i_ct == INPUT_CONTROL_SET_STATE ||
1211               i_ct == INPUT_CONTROL_SET_RATE ||
1212               i_ct == INPUT_CONTROL_SET_POSITION ||
1213               i_ct == INPUT_CONTROL_SET_TIME ||
1214               i_ct == INPUT_CONTROL_SET_PROGRAM ||
1215               i_ct == INPUT_CONTROL_SET_TITLE ||
1216               i_ct == INPUT_CONTROL_SET_SEEKPOINT ||
1217               i_ct == INPUT_CONTROL_SET_BOOKMARK ) )
1218         {
1219             int j;
1220 //            msg_Dbg( p_input, "merged at %d", i );
1221             /* Remove the i-1 */
1222             for( j = i; j <  p_input->i_control; j++ )
1223                 p_input->control[j-1] = p_input->control[j];
1224             p_input->i_control--;
1225         }
1226         else
1227         {
1228             /* TODO but that's not that important
1229                 - merge SET_X with SET_X_CMD
1230                 - remove SET_SEEKPOINT/SET_POSITION/SET_TIME before a SET_TITLE
1231                 - remove SET_SEEKPOINT/SET_POSITION/SET_TIME before another among them
1232                 - ?
1233                 */
1234         }
1235     }
1236 }
1237
1238 static vlc_bool_t Control( input_thread_t *p_input, int i_type,
1239                            vlc_value_t val )
1240 {
1241     vlc_bool_t b_force_update = VLC_FALSE;
1242
1243     if( !p_input ) return b_force_update;
1244
1245     switch( i_type )
1246     {
1247         case INPUT_CONTROL_SET_DIE:
1248             msg_Dbg( p_input, "control: stopping input" );
1249             /* Mark all submodules to die */
1250             if( p_input->input.p_access )
1251                 p_input->input.p_access->b_die = VLC_TRUE;
1252             if( p_input->input.p_stream )
1253                 p_input->input.p_stream->b_die = VLC_TRUE;
1254             p_input->input.p_demux->b_die = VLC_TRUE;
1255
1256             p_input->b_die = VLC_TRUE;
1257             break;
1258
1259         case INPUT_CONTROL_SET_POSITION:
1260         case INPUT_CONTROL_SET_POSITION_OFFSET:
1261         {
1262             double f_pos;
1263             if( i_type == INPUT_CONTROL_SET_POSITION )
1264             {
1265                 f_pos = val.f_float;
1266             }
1267             else
1268             {
1269                 /* Should not fail */
1270                 demux2_Control( p_input->input.p_demux,
1271                                 DEMUX_GET_POSITION, &f_pos );
1272                 f_pos += val.f_float;
1273             }
1274             if( f_pos < 0.0 ) f_pos = 0.0;
1275             if( f_pos > 1.0 ) f_pos = 1.0;
1276             /* Reset the decoders states and clock sync (before calling the demuxer */
1277             es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1278             input_EsOutDiscontinuity( p_input->p_es_out, VLC_FALSE );
1279             if( demux2_Control( p_input->input.p_demux, DEMUX_SET_POSITION,
1280                                 f_pos ) )
1281             {
1282                 msg_Err( p_input, "INPUT_CONTROL_SET_POSITION(_OFFSET) "
1283                          "%2.1f%% failed", f_pos * 100 );
1284             }
1285             else
1286             {
1287                 if( p_input->i_slave > 0 )
1288                     SlaveSeek( p_input );
1289
1290                 b_force_update = VLC_TRUE;
1291             }
1292             break;
1293         }
1294
1295         case INPUT_CONTROL_SET_TIME:
1296         case INPUT_CONTROL_SET_TIME_OFFSET:
1297         {
1298             int64_t i_time;
1299             int i_ret;
1300
1301             if( i_type == INPUT_CONTROL_SET_TIME )
1302             {
1303                 i_time = val.i_time;
1304             }
1305             else
1306             {
1307                 /* Should not fail */
1308                 demux2_Control( p_input->input.p_demux,
1309                                 DEMUX_GET_TIME, &i_time );
1310                 i_time += val.i_time;
1311             }
1312             if( i_time < 0 ) i_time = 0;
1313
1314             /* Reset the decoders states and clock sync (before calling the demuxer */
1315             es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1316             input_EsOutDiscontinuity( p_input->p_es_out, VLC_FALSE );
1317
1318             i_ret = demux2_Control( p_input->input.p_demux,
1319                                     DEMUX_SET_TIME, i_time );
1320             if( i_ret )
1321             {
1322                 int64_t i_length;
1323
1324                 /* Emulate it with a SET_POS */
1325                 demux2_Control( p_input->input.p_demux,
1326                                 DEMUX_GET_LENGTH, &i_length );
1327                 if( i_length > 0 )
1328                 {
1329                     double f_pos = (double)i_time / (double)i_length;
1330                     i_ret = demux2_Control( p_input->input.p_demux,
1331                                             DEMUX_SET_POSITION, f_pos );
1332                 }
1333             }
1334             if( i_ret )
1335             {
1336                 msg_Warn( p_input, "INPUT_CONTROL_SET_TIME(_OFFSET) "I64Fd
1337                          " failed or not possible", i_time );
1338             }
1339             else
1340             {
1341                 if( p_input->i_slave > 0 )
1342                     SlaveSeek( p_input );
1343
1344                 b_force_update = VLC_TRUE;
1345             }
1346             break;
1347         }
1348
1349         case INPUT_CONTROL_SET_STATE:
1350             if( ( val.i_int == PLAYING_S && p_input->i_state == PAUSE_S ) ||
1351                 ( val.i_int == PAUSE_S && p_input->i_state == PAUSE_S ) )
1352             {
1353                 int i_ret;
1354                 if( p_input->input.p_access )
1355                     i_ret = access2_Control( p_input->input.p_access,
1356                                              ACCESS_SET_PAUSE_STATE, VLC_FALSE );
1357                 else
1358                     i_ret = demux2_Control( p_input->input.p_demux,
1359                                             DEMUX_SET_PAUSE_STATE, VLC_FALSE );
1360
1361                 if( i_ret )
1362                 {
1363                     /* FIXME What to do ? */
1364                     msg_Warn( p_input, "cannot unset pause -> EOF" );
1365                     vlc_mutex_unlock( &p_input->lock_control );
1366                     input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
1367                     vlc_mutex_lock( &p_input->lock_control );
1368                 }
1369
1370                 b_force_update = VLC_TRUE;
1371
1372                 /* Switch to play */
1373                 p_input->i_state = PLAYING_S;
1374                 val.i_int = PLAYING_S;
1375                 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1376
1377                 /* Reset clock */
1378                 es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1379                 input_EsOutDiscontinuity( p_input->p_es_out, VLC_FALSE );
1380             }
1381             else if( val.i_int == PAUSE_S && p_input->i_state == PLAYING_S &&
1382                      p_input->b_can_pause )
1383             {
1384                 int i_ret;
1385                 if( p_input->input.p_access )
1386                     i_ret = access2_Control( p_input->input.p_access,
1387                                              ACCESS_SET_PAUSE_STATE, VLC_TRUE );
1388                 else
1389                     i_ret = demux2_Control( p_input->input.p_demux,
1390                                             DEMUX_SET_PAUSE_STATE, VLC_TRUE );
1391
1392                 b_force_update = VLC_TRUE;
1393
1394                 if( i_ret )
1395                 {
1396                     msg_Warn( p_input, "cannot set pause state" );
1397                     val.i_int = p_input->i_state;
1398                 }
1399                 else
1400                 {
1401                     val.i_int = PAUSE_S;
1402                 }
1403
1404                 /* Switch to new state */
1405                 p_input->i_state = val.i_int;
1406                 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1407             }
1408             else if( val.i_int == PAUSE_S && !p_input->b_can_pause )
1409             {
1410                 b_force_update = VLC_TRUE;
1411
1412                 /* Correct "state" value */
1413                 val.i_int = p_input->i_state;
1414                 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1415             }
1416             else if( val.i_int != PLAYING_S && val.i_int != PAUSE_S )
1417             {
1418                 msg_Err( p_input, "invalid state in INPUT_CONTROL_SET_STATE" );
1419             }
1420             break;
1421
1422         case INPUT_CONTROL_SET_RATE:
1423         case INPUT_CONTROL_SET_RATE_SLOWER:
1424         case INPUT_CONTROL_SET_RATE_FASTER:
1425         {
1426             int i_rate;
1427
1428             if( i_type == INPUT_CONTROL_SET_RATE_SLOWER )
1429                 i_rate = p_input->i_rate * 2;
1430             else if( i_type == INPUT_CONTROL_SET_RATE_FASTER )
1431                 i_rate = p_input->i_rate / 2;
1432             else
1433                 i_rate = val.i_int;
1434
1435             if( i_rate < INPUT_RATE_MIN )
1436             {
1437                 msg_Dbg( p_input, "cannot set rate faster" );
1438                 i_rate = INPUT_RATE_MIN;
1439             }
1440             else if( i_rate > INPUT_RATE_MAX )
1441             {
1442                 msg_Dbg( p_input, "cannot set rate slower" );
1443                 i_rate = INPUT_RATE_MAX;
1444             }
1445             if( i_rate != INPUT_RATE_DEFAULT &&
1446                 ( !p_input->b_can_pace_control ||
1447                   ( p_input->p_sout && !p_input->b_out_pace_control ) ) )
1448             {
1449                 msg_Dbg( p_input, "cannot change rate" );
1450                 i_rate = INPUT_RATE_DEFAULT;
1451             }
1452             if( i_rate != p_input->i_rate )
1453             {
1454                 p_input->i_rate  = i_rate;
1455                 val.i_int = i_rate;
1456                 var_Change( p_input, "rate", VLC_VAR_SETVALUE, &val, NULL );
1457
1458                 /* We haven't send data to decoder when rate != default */
1459                 if( i_rate == INPUT_RATE_DEFAULT )
1460                     input_EsOutDiscontinuity( p_input->p_es_out, VLC_TRUE );
1461
1462                 /* Reset clock */
1463                 es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1464
1465                 b_force_update = VLC_TRUE;
1466             }
1467             break;
1468         }
1469
1470         case INPUT_CONTROL_SET_PROGRAM:
1471             /* No need to force update, es_out does it if needed */
1472             es_out_Control( p_input->p_es_out,
1473                             ES_OUT_SET_GROUP, val.i_int );
1474
1475             demux2_Control( p_input->input.p_demux, DEMUX_SET_GROUP, val.i_int,
1476                             NULL );
1477             break;
1478
1479         case INPUT_CONTROL_SET_ES:
1480             /* No need to force update, es_out does it if needed */
1481             es_out_Control( p_input->p_es_out, ES_OUT_SET_ES,
1482                             input_EsOutGetFromID( p_input->p_es_out,
1483                                                   val.i_int ) );
1484             break;
1485
1486         case INPUT_CONTROL_SET_AUDIO_DELAY:
1487             input_EsOutSetDelay( p_input->p_es_out,
1488                                  AUDIO_ES, val.i_time );
1489             var_Change( p_input, "audio-delay", VLC_VAR_SETVALUE, &val, NULL );
1490             break;
1491
1492         case INPUT_CONTROL_SET_SPU_DELAY:
1493             input_EsOutSetDelay( p_input->p_es_out,
1494                                  SPU_ES, val.i_time );
1495             var_Change( p_input, "spu-delay", VLC_VAR_SETVALUE, &val, NULL );
1496             break;
1497
1498         case INPUT_CONTROL_SET_TITLE:
1499         case INPUT_CONTROL_SET_TITLE_NEXT:
1500         case INPUT_CONTROL_SET_TITLE_PREV:
1501             if( p_input->input.b_title_demux &&
1502                 p_input->input.i_title > 0 )
1503             {
1504                 /* TODO */
1505                 /* FIXME handle demux title */
1506                 demux_t *p_demux = p_input->input.p_demux;
1507                 int i_title;
1508
1509                 if( i_type == INPUT_CONTROL_SET_TITLE_PREV )
1510                     i_title = p_demux->info.i_title - 1;
1511                 else if( i_type == INPUT_CONTROL_SET_TITLE_NEXT )
1512                     i_title = p_demux->info.i_title + 1;
1513                 else
1514                     i_title = val.i_int;
1515
1516                 if( i_title >= 0 && i_title < p_input->input.i_title )
1517                 {
1518                     input_EsOutDiscontinuity( p_input->p_es_out, VLC_FALSE );
1519                     es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1520
1521                     demux2_Control( p_demux, DEMUX_SET_TITLE, i_title );
1522                     input_ControlVarTitle( p_input, i_title );
1523                 }
1524             }
1525             else if( p_input->input.i_title > 0 )
1526             {
1527                 access_t *p_access = p_input->input.p_access;
1528                 int i_title;
1529
1530                 if( i_type == INPUT_CONTROL_SET_TITLE_PREV )
1531                     i_title = p_access->info.i_title - 1;
1532                 else if( i_type == INPUT_CONTROL_SET_TITLE_NEXT )
1533                     i_title = p_access->info.i_title + 1;
1534                 else
1535                     i_title = val.i_int;
1536
1537                 if( i_title >= 0 && i_title < p_input->input.i_title )
1538                 {
1539                     input_EsOutDiscontinuity( p_input->p_es_out, VLC_FALSE );
1540                     es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1541
1542                     access2_Control( p_access, ACCESS_SET_TITLE, i_title );
1543                     stream_AccessReset( p_input->input.p_stream );
1544                 }
1545             }
1546             break;
1547         case INPUT_CONTROL_SET_SEEKPOINT:
1548         case INPUT_CONTROL_SET_SEEKPOINT_NEXT:
1549         case INPUT_CONTROL_SET_SEEKPOINT_PREV:
1550             if( p_input->input.b_title_demux &&
1551                 p_input->input.i_title > 0 )
1552             {
1553                 demux_t *p_demux = p_input->input.p_demux;
1554                 int i_seekpoint;
1555                 int64_t i_input_time;
1556                 int64_t i_seekpoint_time;
1557
1558                 if( i_type == INPUT_CONTROL_SET_SEEKPOINT_PREV )
1559                 {
1560                     i_seekpoint = p_demux->info.i_seekpoint;
1561                     i_seekpoint_time = p_input->input.title[p_demux->info.i_title]->seekpoint[i_seekpoint]->i_time_offset;
1562                     if( i_seekpoint_time >= 0 &&
1563                          !demux2_Control( p_demux,
1564                                           DEMUX_GET_TIME, &i_input_time ) )
1565                     {
1566                         if ( i_input_time < i_seekpoint_time + 3000000 )
1567                             i_seekpoint--;
1568                     }
1569                     else
1570                         i_seekpoint--;
1571                 }
1572                 else if( i_type == INPUT_CONTROL_SET_SEEKPOINT_NEXT )
1573                     i_seekpoint = p_demux->info.i_seekpoint + 1;
1574                 else
1575                     i_seekpoint = val.i_int;
1576
1577                 if( i_seekpoint >= 0 && i_seekpoint <
1578                     p_input->input.title[p_demux->info.i_title]->i_seekpoint )
1579                 {
1580                     input_EsOutDiscontinuity( p_input->p_es_out, VLC_FALSE );
1581                     es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1582
1583                     demux2_Control( p_demux, DEMUX_SET_SEEKPOINT, i_seekpoint );
1584                 }
1585             }
1586             else if( p_input->input.i_title > 0 )
1587             {
1588                 demux_t *p_demux = p_input->input.p_demux;
1589                 access_t *p_access = p_input->input.p_access;
1590                 int i_seekpoint;
1591                 int64_t i_input_time;
1592                 int64_t i_seekpoint_time;
1593
1594                 if( i_type == INPUT_CONTROL_SET_SEEKPOINT_PREV )
1595                 {
1596                     i_seekpoint = p_access->info.i_seekpoint;
1597                     i_seekpoint_time = p_input->input.title[p_access->info.i_title]->seekpoint[i_seekpoint]->i_time_offset;
1598                     if( i_seekpoint_time >= 0 &&
1599                         demux2_Control( p_demux,
1600                                         DEMUX_GET_TIME, &i_input_time ) )
1601                     {
1602                         if ( i_input_time < i_seekpoint_time + 3000000 )
1603                             i_seekpoint--;
1604                     }
1605                     else
1606                         i_seekpoint--;
1607                 }
1608                 else if( i_type == INPUT_CONTROL_SET_SEEKPOINT_NEXT )
1609                     i_seekpoint = p_access->info.i_seekpoint + 1;
1610                 else
1611                     i_seekpoint = val.i_int;
1612
1613                 if( i_seekpoint >= 0 && i_seekpoint <
1614                     p_input->input.title[p_access->info.i_title]->i_seekpoint )
1615                 {
1616                     input_EsOutDiscontinuity( p_input->p_es_out, VLC_FALSE );
1617                     es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1618
1619                     access2_Control( p_access, ACCESS_SET_SEEKPOINT,
1620                                     i_seekpoint );
1621                     stream_AccessReset( p_input->input.p_stream );
1622                 }
1623             }
1624             break;
1625
1626         case INPUT_CONTROL_ADD_SLAVE:
1627             if( val.psz_string )
1628             {
1629                 input_source_t *slave = InputSourceNew( p_input );
1630
1631                 if( !InputSourceInit( p_input, slave, val.psz_string, NULL ) )
1632                 {
1633                     vlc_meta_t *p_meta = p_input->input.p_item->p_meta;
1634                     int64_t i_time;
1635
1636                     /* Add the slave */
1637                     msg_Dbg( p_input, "adding %s as slave on the fly",
1638                              val.psz_string );
1639
1640                     /* Set position */
1641                     if( demux2_Control( p_input->input.p_demux,
1642                                         DEMUX_GET_TIME, &i_time ) )
1643                     {
1644                         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
1645                         InputSourceClean( p_input, slave );
1646                         free( slave );
1647                         break;
1648                     }
1649                     if( demux2_Control( slave->p_demux,
1650                                         DEMUX_SET_TIME, i_time ) )
1651                     {
1652                         msg_Err( p_input, "seek failed for new slave" );
1653                         InputSourceClean( p_input, slave );
1654                         free( slave );
1655                         break;
1656                     }
1657
1658                     /* Get meta (access and demux) */
1659                     access2_Control( slave->p_access, ACCESS_GET_META,
1660                                      p_meta );
1661                     demux2_Control( slave->p_demux, DEMUX_GET_META, p_meta );
1662                     UpdateMeta( p_input );
1663
1664                     TAB_APPEND( p_input->i_slave, p_input->slave, slave );
1665                 }
1666                 else
1667                 {
1668                     msg_Warn( p_input, "failed to add %s as slave",
1669                               val.psz_string );
1670                 }
1671
1672                 free( val.psz_string );
1673             }
1674             break;
1675
1676         case INPUT_CONTROL_SET_BOOKMARK:
1677         default:
1678             msg_Err( p_input, "not yet implemented" );
1679             break;
1680     }
1681
1682     return b_force_update;
1683 }
1684
1685 /*****************************************************************************
1686  * UpdateFromDemux:
1687  *****************************************************************************/
1688 static int UpdateFromDemux( input_thread_t *p_input )
1689 {
1690     demux_t *p_demux = p_input->input.p_demux;
1691     vlc_value_t v;
1692
1693     if( p_demux->info.i_update & INPUT_UPDATE_TITLE )
1694     {
1695         v.i_int = p_demux->info.i_title;
1696         var_Change( p_input, "title", VLC_VAR_SETVALUE, &v, NULL );
1697
1698         input_ControlVarTitle( p_input, p_demux->info.i_title );
1699
1700         p_demux->info.i_update &= ~INPUT_UPDATE_TITLE;
1701     }
1702     if( p_demux->info.i_update & INPUT_UPDATE_SEEKPOINT )
1703     {
1704         v.i_int = p_demux->info.i_seekpoint;
1705         var_Change( p_input, "chapter", VLC_VAR_SETVALUE, &v, NULL);
1706
1707         p_demux->info.i_update &= ~INPUT_UPDATE_SEEKPOINT;
1708     }
1709     p_demux->info.i_update &= ~INPUT_UPDATE_SIZE;
1710
1711     /* Hmmm only works with master input */
1712     if( p_input->input.p_demux == p_demux )
1713     {
1714         int i_title_end = p_input->input.i_title_end -
1715             p_input->input.i_title_offset;
1716         int i_seekpoint_end = p_input->input.i_seekpoint_end -
1717             p_input->input.i_seekpoint_offset;
1718
1719         if( i_title_end >= 0 && i_seekpoint_end >= 0 )
1720         {
1721             if( p_demux->info.i_title > i_title_end ||
1722                 ( p_demux->info.i_title == i_title_end &&
1723                   p_demux->info.i_seekpoint > i_seekpoint_end ) ) return 0;
1724         }
1725         else if( i_seekpoint_end >=0 )
1726         {
1727             if( p_demux->info.i_seekpoint > i_seekpoint_end ) return 0;
1728         }
1729         else if( i_title_end >= 0 )
1730         {
1731             if( p_demux->info.i_title > i_title_end ) return 0;
1732         }
1733     }
1734
1735     return 1;
1736 }
1737
1738 /*****************************************************************************
1739  * UpdateFromAccess:
1740  *****************************************************************************/
1741 static int UpdateFromAccess( input_thread_t *p_input )
1742 {
1743     access_t *p_access = p_input->input.p_access;
1744     vlc_value_t v;
1745
1746     if( p_access->info.i_update & INPUT_UPDATE_TITLE )
1747     {
1748         v.i_int = p_access->info.i_title;
1749         var_Change( p_input, "title", VLC_VAR_SETVALUE, &v, NULL );
1750
1751         input_ControlVarTitle( p_input, p_access->info.i_title );
1752
1753         stream_AccessUpdate( p_input->input.p_stream );
1754
1755         p_access->info.i_update &= ~INPUT_UPDATE_TITLE;
1756     }
1757     if( p_access->info.i_update & INPUT_UPDATE_SEEKPOINT )
1758     {
1759         v.i_int = p_access->info.i_seekpoint;
1760         var_Change( p_input, "chapter", VLC_VAR_SETVALUE, &v, NULL);
1761         p_access->info.i_update &= ~INPUT_UPDATE_SEEKPOINT;
1762     }
1763     if( p_access->info.i_update & INPUT_UPDATE_META )
1764     {
1765         /* TODO maybe multi - access ? */
1766         vlc_meta_t *p_meta = p_input->input.p_item->p_meta;
1767         access2_Control( p_input->input.p_access,ACCESS_GET_META, p_meta );
1768         UpdateMeta( p_input );
1769         var_SetBool( p_input, "item-change", p_input->input.p_item->i_id );
1770         p_access->info.i_update &= ~INPUT_UPDATE_META;
1771     }
1772
1773     p_access->info.i_update &= ~INPUT_UPDATE_SIZE;
1774
1775     /* Hmmm only works with master input */
1776     if( p_input->input.p_access == p_access )
1777     {
1778         int i_title_end = p_input->input.i_title_end -
1779             p_input->input.i_title_offset;
1780         int i_seekpoint_end = p_input->input.i_seekpoint_end -
1781             p_input->input.i_seekpoint_offset;
1782
1783         if( i_title_end >= 0 && i_seekpoint_end >=0 )
1784         {
1785             if( p_access->info.i_title > i_title_end ||
1786                 ( p_access->info.i_title == i_title_end &&
1787                   p_access->info.i_seekpoint > i_seekpoint_end ) ) return 0;
1788         }
1789         else if( i_seekpoint_end >=0 )
1790         {
1791             if( p_access->info.i_seekpoint > i_seekpoint_end ) return 0;
1792         }
1793         else if( i_title_end >= 0 )
1794         {
1795             if( p_access->info.i_title > i_title_end ) return 0;
1796         }
1797     }
1798
1799     return 1;
1800 }
1801
1802 /*****************************************************************************
1803  * UpdateMeta:
1804  *****************************************************************************/
1805 static int  UpdateMeta( input_thread_t *p_input )
1806 {
1807     vlc_meta_t *p_meta = p_input->input.p_item->p_meta;
1808     if( !p_meta )
1809         return VLC_SUCCESS;
1810
1811     if( p_meta->psz_title && !p_input->input.p_item->b_fixed_name )
1812         input_Control( p_input, INPUT_SET_NAME, p_meta->psz_title );
1813
1814     /** \todo handle sout meta */
1815
1816     return VLC_SUCCESS;
1817 }
1818
1819 /*****************************************************************************
1820  * UpdateItemLength:
1821  *****************************************************************************/
1822 static void UpdateItemLength( input_thread_t *p_input, int64_t i_length )
1823 {
1824     vlc_mutex_lock( &p_input->input.p_item->lock );
1825     p_input->input.p_item->i_duration = i_length;
1826     vlc_mutex_unlock( &p_input->input.p_item->lock );
1827
1828     if( !p_input->b_preparsing )
1829     {
1830         pl_Yield( p_input );
1831         var_SetInteger( pl_Get( p_input ), "item-change",
1832                         p_input->input.p_item->i_id );
1833         pl_Release( p_input )
1834     }
1835 }
1836
1837 /*****************************************************************************
1838  * InputSourceNew:
1839  *****************************************************************************/
1840 static input_source_t *InputSourceNew( input_thread_t *p_input )
1841 {
1842     input_source_t *in = (input_source_t*) malloc( sizeof( input_source_t ) );
1843
1844     if( !in )
1845     {
1846         msg_Err( p_input, "out of memory for new input source" );
1847         return NULL;
1848     }
1849
1850     in->p_item   = NULL;
1851     in->p_access = NULL;
1852     in->p_stream = NULL;
1853     in->p_demux  = NULL;
1854     in->b_title_demux = VLC_FALSE;
1855     in->i_title  = 0;
1856     in->title    = NULL;
1857     in->b_can_pace_control = VLC_TRUE;
1858     in->b_eof = VLC_FALSE;
1859     in->i_cr_average = 0;
1860
1861     return in;
1862 }
1863
1864 /*****************************************************************************
1865  * InputSourceInit:
1866  *****************************************************************************/
1867 static int InputSourceInit( input_thread_t *p_input,
1868                             input_source_t *in, char *psz_mrl,
1869                             char *psz_forced_demux )
1870 {
1871     char *psz_dup = strdup( psz_mrl );
1872     char *psz_access;
1873     char *psz_demux;
1874     char *psz_path;
1875     char *psz_tmp;
1876     char *psz;
1877     vlc_value_t val;
1878
1879     if( !in ) return VLC_EGENERIC;
1880
1881     /* Split uri */
1882     if( !p_input->b_preparsing )
1883     {
1884         MRLSplit( VLC_OBJECT(p_input), psz_dup,
1885                   &psz_access, &psz_demux, &psz_path );
1886
1887         msg_Dbg( p_input, "`%s' gives access `%s' demux `%s' path `%s'",
1888                  psz_mrl, psz_access, psz_demux, psz_path );
1889
1890         /* Hack to allow udp://@:port syntax */
1891         if( !psz_access ||
1892             (strncmp( psz_access, "udp", 3 ) &&
1893              strncmp( psz_access, "rtp", 3 )) )
1894
1895         /* Find optional titles and seekpoints */
1896         MRLSections( p_input, psz_path, &in->i_title_start, &in->i_title_end,
1897                      &in->i_seekpoint_start, &in->i_seekpoint_end );
1898
1899         if( psz_forced_demux && *psz_forced_demux )
1900         {
1901             psz_demux = psz_forced_demux;
1902         }
1903         else if( !psz_demux || *psz_demux == '\0' )
1904         {
1905             /* special hack for forcing a demuxer with --demux=module
1906              * (and do nothing with a list) */
1907             char *psz_var_demux = var_GetString( p_input, "demux" );
1908
1909             if( *psz_var_demux != '\0' &&
1910                 !strchr(psz_var_demux, ',' ) &&
1911                 !strchr(psz_var_demux, ':' ) )
1912             {
1913                 psz_demux = psz_var_demux;
1914
1915                 msg_Dbg( p_input, "enforced demux ` %s'", psz_demux );
1916             }
1917             else if( psz_var_demux )
1918             {
1919                 free( psz_var_demux );
1920             }
1921         }
1922
1923         /* Try access_demux if no demux given */
1924         if( *psz_demux == '\0' )
1925         {
1926             in->p_demux = demux2_New( p_input, psz_access, psz_demux, psz_path,
1927                                       NULL, p_input->p_es_out, VLC_FALSE );
1928         }
1929     }
1930     else
1931     {
1932         psz_path = psz_mrl;
1933         msg_Dbg( p_input, "trying to pre-parse %s",  psz_path );
1934         psz_demux = strdup( "" );
1935         psz_access = strdup( "file" );
1936     }
1937
1938     if( in->p_demux )
1939     {
1940         int64_t i_pts_delay;
1941
1942         /* Get infos from access_demux */
1943         demux2_Control( in->p_demux,
1944                         DEMUX_GET_PTS_DELAY, &i_pts_delay );
1945         p_input->i_pts_delay = __MAX( p_input->i_pts_delay, i_pts_delay );
1946
1947         in->b_title_demux = VLC_TRUE;
1948         if( demux2_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
1949                             &in->title, &in->i_title,
1950                             &in->i_title_offset, &in->i_seekpoint_offset ) )
1951         {
1952             in->i_title = 0;
1953             in->title   = NULL;
1954         }
1955         demux2_Control( in->p_demux, DEMUX_CAN_CONTROL_PACE,
1956                         &in->b_can_pace_control );
1957         demux2_Control( in->p_demux, DEMUX_CAN_PAUSE,
1958                         &in->b_can_pause );
1959
1960         /* FIXME todo
1961         demux2_Control( in->p_demux, DEMUX_CAN_SEEK,
1962                         &val.b_bool );
1963         */
1964     }
1965     else
1966     {
1967         int64_t i_pts_delay;
1968
1969         input_ChangeState( p_input, OPENING_S);
1970
1971         /* Now try a real access */
1972         in->p_access = access2_New( p_input, psz_access, psz_demux, psz_path,
1973                                     p_input->b_preparsing );
1974
1975         /* Access failed, URL encoded ? */
1976         if( in->p_access == NULL && strchr( psz_path, '%' ) )
1977         {
1978             DecodeUrl( psz_path );
1979
1980             msg_Dbg( p_input, "retrying with access `%s' demux `%s' path `%s'",
1981                      psz_access, psz_demux, psz_path );
1982
1983             in->p_access = access2_New( p_input,
1984                                         psz_access, psz_demux, psz_path,
1985                                         p_input->b_preparsing );
1986         }
1987 #ifndef WIN32      /* Remove this gross hack from the win32 build as colons
1988                         * are forbidden in filenames on Win32. */
1989
1990         /* Maybe we got something like: /Volumes/toto:titi/gabu.mpg */
1991         if( in->p_access == NULL &&
1992             *psz_access == '\0' && ( *psz_demux || *psz_path ) )
1993         {
1994             if( psz_dup ) free( psz_dup );
1995             psz_dup = strdup( psz_mrl );
1996             psz_access = "";
1997             if( psz_forced_demux && *psz_forced_demux )
1998             {
1999                 psz_demux = psz_forced_demux;
2000             }
2001             else psz_demux = "";
2002             psz_path = psz_dup;
2003
2004             in->p_access = access2_New( p_input,
2005                                         psz_access, psz_demux, psz_path,
2006                                         p_input->b_preparsing );
2007         }
2008 #endif
2009
2010         if( in->p_access == NULL )
2011         {
2012             msg_Err( p_input, "no suitable access module for `%s'", psz_mrl );
2013             intf_UserFatal( VLC_OBJECT( p_input), VLC_FALSE,
2014                             _("Your input can't be opened"),
2015                             _("VLC is unable to open the MRL '%s'."
2016                             " Check the log for details."), psz_mrl );
2017             goto error;
2018         }
2019
2020         /* */
2021         psz_tmp = psz = var_GetString( p_input, "access-filter" );
2022         while( psz && *psz )
2023         {
2024             access_t *p_access = in->p_access;
2025             char *end = strchr( psz, ':' );
2026
2027             if( end )
2028                 *end++ = '\0';
2029
2030             in->p_access = access2_FilterNew( in->p_access, psz );
2031             if( in->p_access == NULL )
2032             {
2033                 in->p_access = p_access;
2034                 msg_Warn( p_input, "failed to insert access filter %s",
2035                           psz );
2036             }
2037
2038             psz = end;
2039         }
2040         if( psz_tmp ) free( psz_tmp );
2041
2042         /* Get infos from access */
2043         if( !p_input->b_preparsing )
2044         {
2045             access2_Control( in->p_access,
2046                              ACCESS_GET_PTS_DELAY, &i_pts_delay );
2047             p_input->i_pts_delay = __MAX( p_input->i_pts_delay, i_pts_delay );
2048
2049             in->b_title_demux = VLC_FALSE;
2050             if( access2_Control( in->p_access, ACCESS_GET_TITLE_INFO,
2051                                  &in->title, &in->i_title,
2052                                 &in->i_title_offset, &in->i_seekpoint_offset ) )
2053
2054             {
2055                 in->i_title = 0;
2056                 in->title   = NULL;
2057             }
2058             access2_Control( in->p_access, ACCESS_CAN_CONTROL_PACE,
2059                              &in->b_can_pace_control );
2060             access2_Control( in->p_access, ACCESS_CAN_PAUSE,
2061                              &in->b_can_pause );
2062             access2_Control( in->p_access, ACCESS_CAN_SEEK,
2063                              &val.b_bool );
2064             var_Set( p_input, "seekable", val );
2065         }
2066
2067         input_ChangeState( p_input, BUFFERING_S);
2068
2069         /* Create the stream_t */
2070         in->p_stream = stream_AccessNew( in->p_access, p_input->b_preparsing );
2071         if( in->p_stream == NULL )
2072         {
2073             msg_Warn( p_input, "cannot create a stream_t from access" );
2074             goto error;
2075         }
2076
2077         /* Open a demuxer */
2078         if( *psz_demux == '\0' && *in->p_access->psz_demux )
2079         {
2080             psz_demux = in->p_access->psz_demux;
2081         }
2082         in->p_demux = demux2_New( p_input, psz_access, psz_demux, psz_path,
2083                                   in->p_stream, p_input->p_es_out,
2084                                   p_input->b_preparsing );
2085         if( in->p_demux == NULL )
2086         {
2087             msg_Err( p_input, "no suitable demux module for `%s/%s://%s'",
2088                      psz_access, psz_demux, psz_path );
2089             intf_UserFatal( VLC_OBJECT( p_input), VLC_FALSE,
2090                             _("Can't recognize the input's format"),
2091                             _("The format of '%s' can't be detected. "
2092                             "Have a look the log for details."), psz_mrl );
2093             goto error;
2094         }
2095
2096         /* TODO get title from demux */
2097         if( !p_input->b_preparsing && in->i_title <= 0 )
2098         {
2099             if( demux2_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
2100                                 &in->title, &in->i_title,
2101                                 &in->i_title_offset, &in->i_seekpoint_offset ))
2102             {
2103                 in->i_title = 0;
2104                 in->title   = NULL;
2105             }
2106             else
2107             {
2108                 in->b_title_demux = VLC_TRUE;
2109             }
2110         }
2111     }
2112
2113     if( var_GetInteger( p_input, "clock-synchro" ) != -1 )
2114         in->b_can_pace_control = !var_GetInteger( p_input, "clock-synchro" );
2115
2116     if( psz_dup ) free( psz_dup );
2117     return VLC_SUCCESS;
2118
2119 error:
2120     if( in->p_demux )
2121         demux2_Delete( in->p_demux );
2122
2123     if( in->p_stream )
2124         stream_Delete( in->p_stream );
2125
2126     if( in->p_access )
2127         access2_Delete( in->p_access );
2128     if( psz_dup ) free( psz_dup );
2129
2130     return VLC_EGENERIC;
2131 }
2132
2133 /*****************************************************************************
2134  * InputSourceClean:
2135  *****************************************************************************/
2136 static void InputSourceClean( input_thread_t *p_input, input_source_t *in )
2137 {
2138     if( in->p_demux )
2139         demux2_Delete( in->p_demux );
2140
2141     if( in->p_stream )
2142         stream_Delete( in->p_stream );
2143
2144     if( in->p_access )
2145         access2_Delete( in->p_access );
2146
2147     if( in->i_title > 0 )
2148     {
2149         int i;
2150         for( i = 0; i < in->i_title; i++ )
2151         {
2152             vlc_input_title_Delete( in->title[i] );
2153         }
2154         free( in->title );
2155     }
2156 }
2157
2158 static void SlaveDemux( input_thread_t *p_input )
2159 {
2160     int64_t i_time;
2161     int i;
2162
2163     if( demux2_Control( p_input->input.p_demux, DEMUX_GET_TIME, &i_time ) )
2164     {
2165         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
2166         return;
2167     }
2168
2169     for( i = 0; i < p_input->i_slave; i++ )
2170     {
2171         input_source_t *in = p_input->slave[i];
2172         int i_ret = 1;
2173
2174         if( in->b_eof )
2175             continue;
2176
2177         if( demux2_Control( in->p_demux, DEMUX_SET_NEXT_DEMUX_TIME, i_time ) )
2178         {
2179             for( ;; )
2180             {
2181                 int64_t i_stime;
2182                 if( demux2_Control( in->p_demux, DEMUX_GET_TIME, &i_stime ) )
2183                 {
2184                     msg_Err( p_input, "slave[%d] doesn't like "
2185                              "DEMUX_GET_TIME -> EOF", i );
2186                     i_ret = 0;
2187                     break;
2188                 }
2189
2190                 if( i_stime >= i_time )
2191                     break;
2192
2193                 if( ( i_ret = in->p_demux->pf_demux( in->p_demux ) ) <= 0 )
2194                     break;
2195             }
2196         }
2197         else
2198         {
2199             i_ret = in->p_demux->pf_demux( in->p_demux );
2200         }
2201
2202         if( i_ret <= 0 )
2203         {
2204             msg_Dbg( p_input, "slave %d EOF", i );
2205             in->b_eof = VLC_TRUE;
2206         }
2207     }
2208 }
2209
2210 static void SlaveSeek( input_thread_t *p_input )
2211 {
2212     int64_t i_time;
2213     int i;
2214
2215     if( demux2_Control( p_input->input.p_demux, DEMUX_GET_TIME, &i_time ) )
2216     {
2217         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
2218         return;
2219     }
2220
2221     for( i = 0; i < p_input->i_slave; i++ )
2222     {
2223         input_source_t *in = p_input->slave[i];
2224
2225         if( demux2_Control( in->p_demux, DEMUX_SET_TIME, i_time ) )
2226         {
2227             msg_Err( p_input, "seek failed for slave %d -> EOF", i );
2228             in->b_eof = VLC_TRUE;
2229         }
2230     }
2231 }
2232 /*****************************************************************************
2233  * InputMetaUser:
2234  *****************************************************************************/
2235 static void InputMetaUser( input_thread_t *p_input )
2236 {
2237     vlc_meta_t *p_meta = p_input->input.p_item->p_meta;
2238     vlc_value_t val;
2239
2240     if( !p_meta ) return;
2241
2242     /* Get meta information from user */
2243 #define GET_META( field, s ) \
2244     var_Get( p_input, (s), &val );  \
2245     if( *val.psz_string ) { \
2246         if( p_meta->psz_ ## field ) free ( p_meta->psz_ ## field ); \
2247         p_meta->psz_ ## field = strdup( val.psz_string ); \
2248     } \
2249     free( val.psz_string )
2250
2251     GET_META( title, "meta-title" );
2252     GET_META( author, "meta-author" );
2253     GET_META( artist, "meta-artist" );
2254     GET_META( genre, "meta-genre" );
2255     GET_META( copyright, "meta-copyright" );
2256     GET_META( description, "meta-description" );
2257     GET_META( date, "meta-date" );
2258     GET_META( url, "meta-url" );
2259 #undef GET_META
2260 }
2261
2262 /*****************************************************************************
2263  * DecodeUrl: decode a given encoded url
2264  *****************************************************************************/
2265 static void DecodeUrl( char *psz )
2266 {
2267     char *dup = strdup( psz );
2268     char *p = dup;
2269
2270     while( *p )
2271     {
2272         if( *p == '%' )
2273         {
2274             char val[3];
2275             p++;
2276             if( !*p )
2277             {
2278                 break;
2279             }
2280
2281             val[0] = *p++;
2282             val[1] = *p++;
2283             val[2] = '\0';
2284
2285             *psz++ = strtol( val, NULL, 16 );
2286         }
2287         else if( *p == '+' )
2288         {
2289             *psz++ = ' ';
2290             p++;
2291         }
2292         else
2293         {
2294             *psz++ = *p++;
2295         }
2296     }
2297     if( psz ) *psz++  ='\0';
2298     if( dup ) free( dup );
2299 }
2300
2301 /*****************************************************************************
2302  * MRLSplit: parse the access, demux and url part of the
2303  *           Media Resource Locator.
2304  *****************************************************************************/
2305 void MRLSplit( vlc_object_t *p_input, char *psz_dup,
2306                char **ppsz_access, char **ppsz_demux, char **ppsz_path )
2307 {
2308     char *psz_access = NULL;
2309     char *psz_demux  = NULL;
2310     char *psz_path   = NULL;
2311     char *psz, *psz_check;
2312
2313     psz = strchr( psz_dup, ':' );
2314
2315     /* '@' not allowed in access/demux part */
2316     psz_check = strchr( psz_dup, '@' );
2317     if( psz_check && psz_check < psz ) psz = 0;
2318
2319 #if defined( WIN32 ) || defined( UNDER_CE )
2320     if( psz - psz_dup == 1 )
2321     {
2322         msg_Dbg( p_input, "drive letter %c: found in source", *psz_dup );
2323         psz_path = psz_dup;
2324     }
2325     else
2326 #endif
2327
2328     if( psz )
2329     {
2330         *psz++ = '\0';
2331         if( psz[0] == '/' && psz[1] == '/' ) psz += 2;
2332
2333         psz_path = psz;
2334
2335         psz = strchr( psz_dup, '/' );
2336         if( psz )
2337         {
2338             *psz++ = '\0';
2339             psz_demux = psz;
2340         }
2341
2342         psz_access = psz_dup;
2343     }
2344     else
2345     {
2346         psz_path = psz_dup;
2347     }
2348
2349     if( !psz_access ) *ppsz_access = "";
2350     else *ppsz_access = psz_access;
2351
2352     if( !psz_demux ) *ppsz_demux = "";
2353     else *ppsz_demux = psz_demux;
2354
2355     if( !psz_path ) *ppsz_path = "";
2356     else *ppsz_path = psz_path;
2357 }
2358
2359 /*****************************************************************************
2360  * MRLSections: parse title and seekpoint info from the Media Resource Locator.
2361  *
2362  * Syntax:
2363  * [url][@[title-start][:chapter-start][-[title-end][:chapter-end]]]
2364  *****************************************************************************/
2365 static void MRLSections( input_thread_t *p_input, char *psz_source,
2366                          int *pi_title_start, int *pi_title_end,
2367                          int *pi_chapter_start, int *pi_chapter_end )
2368 {
2369     char *psz, *psz_end, *psz_next, *psz_check;
2370
2371     *pi_title_start = *pi_title_end = -1;
2372     *pi_chapter_start = *pi_chapter_end = -1;
2373
2374     /* Start by parsing titles and chapters */
2375     if( !psz_source || !( psz = strrchr( psz_source, '@' ) ) ) return;
2376
2377     /* Check we are really dealing with a title/chapter section */
2378     psz_check = psz + 1;
2379     if( !*psz_check ) return;
2380     if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2381     if( *psz_check != ':' && *psz_check != '-' && *psz_check ) return;
2382     if( *psz_check == ':' && ++psz_check )
2383         if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2384     if( *psz_check != '-' && *psz_check ) return;
2385     if( *psz_check == '-' && ++psz_check )
2386         if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2387     if( *psz_check != ':' && *psz_check ) return;
2388     if( *psz_check == ':' && ++psz_check )
2389         if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2390     if( *psz_check ) return;
2391
2392     /* Separate start and end */
2393     *psz++ = 0;
2394     if( ( psz_end = strchr( psz, '-' ) ) ) *psz_end++ = 0;
2395
2396     /* Look for the start title */
2397     *pi_title_start = strtol( psz, &psz_next, 0 );
2398     if( !*pi_title_start && psz == psz_next ) *pi_title_start = -1;
2399     *pi_title_end = *pi_title_start;
2400     psz = psz_next;
2401
2402     /* Look for the start chapter */
2403     if( *psz ) psz++;
2404     *pi_chapter_start = strtol( psz, &psz_next, 0 );
2405     if( !*pi_chapter_start && psz == psz_next ) *pi_chapter_start = -1;
2406     *pi_chapter_end = *pi_chapter_start;
2407
2408     if( psz_end )
2409     {
2410         /* Look for the end title */
2411         *pi_title_end = strtol( psz_end, &psz_next, 0 );
2412         if( !*pi_title_end && psz_end == psz_next ) *pi_title_end = -1;
2413         psz_end = psz_next;
2414
2415         /* Look for the end chapter */
2416         if( *psz_end ) psz_end++;
2417         *pi_chapter_end = strtol( psz_end, &psz_next, 0 );
2418         if( !*pi_chapter_end && psz_end == psz_next ) *pi_chapter_end = -1;
2419     }
2420
2421     msg_Dbg( p_input, "source=`%s' title=%d/%d seekpoint=%d/%d",
2422              psz_source, *pi_title_start, *pi_chapter_start,
2423              *pi_title_end, *pi_chapter_end );
2424 }
2425
2426 /*****************************************************************************
2427  * input_AddSubtitles: add a subtitles file and enable it
2428  *****************************************************************************/
2429 vlc_bool_t input_AddSubtitles( input_thread_t *p_input, char *psz_subtitle,
2430                                vlc_bool_t b_check_extension )
2431 {
2432     input_source_t *sub;
2433     vlc_value_t count;
2434     vlc_value_t list;
2435     char *psz_path, *psz_extension;
2436
2437     if( b_check_extension && !subtitles_Filter( psz_subtitle ) )
2438     {
2439         return VLC_FALSE;
2440     }
2441
2442     /* if we are provided a subtitle.sub file,
2443      * see if we don't have a subtitle.idx and use it instead */
2444     psz_path = strdup( psz_subtitle );
2445     if( psz_path )
2446     {
2447         psz_extension = strrchr( psz_path, '.');
2448         if( psz_extension && strcmp( psz_extension, ".sub" ) == 0 )
2449         {
2450             FILE *f;
2451
2452             strcpy( psz_extension, ".idx" );
2453             /* FIXME: a portable wrapper for stat() or access() would be more suited */
2454             if( ( f = utf8_fopen( psz_path, "rt" ) ) )
2455             {
2456                 fclose( f );
2457                 msg_Dbg( p_input, "using %s subtitles file instead of %s",
2458                          psz_path, psz_subtitle );
2459                 strcpy( psz_subtitle, psz_path );
2460             }
2461         }
2462         free( psz_path );
2463     }
2464
2465     var_Change( p_input, "spu-es", VLC_VAR_CHOICESCOUNT, &count, NULL );
2466
2467     sub = InputSourceNew( p_input );
2468     if( !InputSourceInit( p_input, sub, psz_subtitle, "subtitle" ) )
2469     {
2470         TAB_APPEND( p_input->i_slave, p_input->slave, sub );
2471
2472         /* Select the ES */
2473         if( !var_Change( p_input, "spu-es", VLC_VAR_GETLIST, &list, NULL ) )
2474         {
2475             if( count.i_int == 0 )
2476                 count.i_int++;
2477             /* if it was first one, there is disable too */
2478
2479             if( count.i_int < list.p_list->i_count )
2480             {
2481                 input_ControlPush( p_input, INPUT_CONTROL_SET_ES,
2482                                    &list.p_list->p_values[count.i_int] );
2483             }
2484             var_Change( p_input, "spu-es", VLC_VAR_FREELIST, &list, NULL );
2485         }
2486     }
2487
2488     return VLC_TRUE;
2489 }