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

   1 /*****************************************************************************
   2  * input.c: input thread
   3  *****************************************************************************
   4  * Copyright (C) 1998-2007 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 <vlc/vlc.h>
  29
  30 #include <ctype.h>
  31
  32 #include "input_internal.h"
  33
  34 #include <vlc_sout.h>
  35 #include "../stream_output/stream_output.h"
  36
  37 #include <vlc_playlist.h>
  38 #include <vlc_interface.h>
  39 #include <vlc_url.h>
  40 #include <vlc_demux.h>
  41 #include <vlc_charset.h>
  42
  43 #ifdef HAVE_SYS_STAT_H
  44 #   include <sys/stat.h>
  45 #endif
  46
  47 /*****************************************************************************
  48  * Local prototypes
  49  *****************************************************************************/
  50 static  int Run  ( input_thread_t *p_input );
  51 static  int RunAndDestroy  ( input_thread_t *p_input );
  52
  53 static input_thread_t * Create  ( vlc_object_t *, input_item_t *,
  54                                   const char *, vlc_bool_t, sout_instance_t * );
  55 static  int             Init    ( input_thread_t *p_input );
  56 static void             Error   ( input_thread_t *p_input );
  57 static void             End     ( input_thread_t *p_input );
  58 static void             MainLoop( input_thread_t *p_input );
  59 static void             Destroy( input_thread_t *p_input, sout_instance_t **pp_sout );
  60
  61 static inline int ControlPopNoLock( input_thread_t *, int *, vlc_value_t * );
  62 static void       ControlReduce( input_thread_t * );
  63 static vlc_bool_t Control( input_thread_t *, int, vlc_value_t );
  64
  65 static int  UpdateFromAccess( input_thread_t * );
  66 static int  UpdateFromDemux( input_thread_t * );
  67
  68 static void UpdateItemLength( input_thread_t *, int64_t i_length );
  69
  70 static void MRLSections( input_thread_t *, char *, int *, int *, int *, int *);
  71
  72 static input_source_t *InputSourceNew( input_thread_t *);
  73 static int  InputSourceInit( input_thread_t *, input_source_t *,
  74                              const char *, const char *psz_forced_demux );
  75 static void InputSourceClean( input_source_t * );
  76 /* TODO */
  77 //static void InputGetAttachments( input_thread_t *, input_source_t * );
  78
  79 static void SlaveDemux( input_thread_t *p_input );
  80 static void SlaveSeek( input_thread_t *p_input );
  81
  82 static void InputMetaUser( input_thread_t *p_input, vlc_meta_t *p_meta );
  83 static void InputUpdateMeta( input_thread_t *p_input, vlc_meta_t *p_meta );
  84
  85 static sout_instance_t *SoutFind( vlc_object_t *p_parent, input_item_t *p_item, vlc_bool_t * );
  86 static void SoutKeep( sout_instance_t * );
  87
  88 /*****************************************************************************
  89  * This function creates a new input, and returns a pointer
  90  * to its description. On error, it returns NULL.
  91  *
  92  * Variables for _public_ use:
  93  * * Get and Set:
  94  *  - state
  95  *  - rate,rate-slower, rate-faster
  96  *  - position, position-offset
  97  *  - time, time-offset
  98  *  - title,title-next,title-prev
  99  *  - chapter,chapter-next, chapter-prev
 100  *  - program, audio-es, video-es, spu-es
 101  *  - audio-delay, spu-delay
 102  *  - bookmark
 103  * * Get only:
 104  *  - length
 105  *  - bookmarks
 106  *  - seekable (if you can seek, it doesn't say if 'bar display' has be shown or not, for that check position != 0.0)
 107  * * For intf callback upon changes
 108  *  - intf-change
 109  * TODO explain when Callback is called
 110  * TODO complete this list (?)
 111  *****************************************************************************/
 112 static input_thread_t *Create( vlc_object_t *p_parent, input_item_t *p_item,
 113                                const char *psz_header, vlc_bool_t b_quick, sout_instance_t *p_sout )
 114 {
 115     input_thread_t *p_input = NULL;                 /* thread descriptor */
 116     vlc_value_t val;
 117     int i;
 118
 119     /* Allocate descriptor */
 120     p_input = vlc_object_create( p_parent, VLC_OBJECT_INPUT );
 121     if( p_input == NULL )
 122     {
 123         msg_Err( p_parent, "out of memory" );
 124         return NULL;
 125     }
 126     MALLOC_NULL( p_input->p, input_thread_private_t );
 127
 128     /* One "randomly" selected input thread is responsible for computing
 129      * the global stats. Check if there is already someone doing this */
 130     if( p_input->p_libvlc->p_playlist->p_stats && !b_quick )
 131     {
 132         vlc_mutex_lock( &p_input->p_libvlc->p_playlist->p_stats->lock );
 133         if( p_input->p_libvlc->p_playlist->p_stats_computer == NULL )
 134         {
 135             p_input->p_libvlc->p_playlist->p_stats_computer = p_input;
 136         }
 137         vlc_mutex_unlock( &p_input->p_libvlc->p_playlist->p_stats->lock );
 138     }
 139
 140     p_input->b_preparsing = b_quick;
 141     p_input->psz_header = psz_header ? strdup( psz_header ) : NULL;
 142
 143     /* Init Common fields */
 144     p_input->b_eof = VLC_FALSE;
 145     p_input->b_can_pace_control = VLC_TRUE;
 146     p_input->p->i_start = 0;
 147     p_input->i_time  = 0;
 148     p_input->p->i_stop  = 0;
 149     p_input->p->i_run  = 0;
 150     p_input->p->i_title = 0;
 151     p_input->p->title   = NULL;
 152     p_input->p->i_title_offset = p_input->p->i_seekpoint_offset = 0;
 153     p_input->i_state = INIT_S;
 154     p_input->p->i_rate  = INPUT_RATE_DEFAULT;
 155     TAB_INIT( p_input->p->i_bookmark, p_input->p->bookmark );
 156     TAB_INIT( p_input->p->i_attachment, p_input->p->attachment );
 157     p_input->p->p_es_out = NULL;
 158     p_input->p->p_sout  = NULL;
 159     p_input->p->b_sout_keep  = VLC_FALSE;
 160     p_input->p->b_out_pace_control = VLC_FALSE;
 161     p_input->i_pts_delay = 0;
 162
 163     /* Init Input fields */
 164     p_input->p->input.p_item = p_item;
 165     p_input->p->input.p_access = NULL;
 166     p_input->p->input.p_stream = NULL;
 167     p_input->p->input.p_demux  = NULL;
 168     p_input->p->input.b_title_demux = VLC_FALSE;
 169     p_input->p->input.i_title  = 0;
 170     p_input->p->input.title    = NULL;
 171     p_input->p->input.i_title_offset = p_input->p->input.i_seekpoint_offset = 0;
 172     p_input->p->input.b_can_pace_control = VLC_TRUE;
 173     p_input->p->input.b_eof = VLC_FALSE;
 174     p_input->p->input.i_cr_average = 0;
 175
 176     vlc_mutex_lock( &p_item->lock );
 177
 178     if( !p_item->p_stats )
 179         p_item->p_stats = stats_NewInputStats( p_input );
 180     vlc_mutex_unlock( &p_item->lock );
 181
 182     /* No slave */
 183     p_input->p->i_slave = 0;
 184     p_input->p->slave   = NULL;
 185
 186     /* Init control buffer */
 187     vlc_mutex_init( p_input, &p_input->p->lock_control );
 188     p_input->p->i_control = 0;
 189
 190     /* Parse input options */
 191     vlc_mutex_lock( &p_item->lock );
 192     for( i = 0; i < p_item->i_options; i++ )
 193         var_OptionParse( p_input, p_item->ppsz_options[i] );
 194     vlc_mutex_unlock( &p_item->lock );
 195
 196     /* Create Object Variables for private use only */
 197     input_ConfigVarInit( p_input );
 198
 199     /* Create Objects variables for public Get and Set */
 200     input_ControlVarInit( p_input );
 201
 202     p_input->p->input.i_cr_average = var_GetInteger( p_input, "cr-average" );
 203
 204     if( !p_input->b_preparsing )
 205     {
 206         var_Get( p_input, "bookmarks", &val );
 207         if( val.psz_string )
 208         {
 209             /* FIXME: have a common cfg parsing routine used by sout and others */
 210             char *psz_parser, *psz_start, *psz_end;
 211             psz_parser = val.psz_string;
 212             while( (psz_start = strchr( psz_parser, '{' ) ) )
 213             {
 214                  seekpoint_t *p_seekpoint = vlc_seekpoint_New();
 215                  char backup;
 216                  psz_start++;
 217                  psz_end = strchr( psz_start, '}' );
 218                  if( !psz_end ) break;
 219                  psz_parser = psz_end + 1;
 220                  backup = *psz_parser;
 221                  *psz_parser = 0;
 222                  *psz_end = ',';
 223                  while( (psz_end = strchr( psz_start, ',' ) ) )
 224                  {
 225                      *psz_end = 0;
 226                      if( !strncmp( psz_start, "name=", 5 ) )
 227                      {
 228                          p_seekpoint->psz_name = strdup(psz_start + 5);
 229                      }
 230                      else if( !strncmp( psz_start, "bytes=", 6 ) )
 231                      {
 232                          p_seekpoint->i_byte_offset = atoll(psz_start + 6);
 233                      }
 234                      else if( !strncmp( psz_start, "time=", 5 ) )
 235                      {
 236                          p_seekpoint->i_time_offset = atoll(psz_start + 5) *
 237                                                         1000000;
 238                      }
 239                      psz_start = psz_end + 1;
 240                 }
 241                 msg_Dbg( p_input, "adding bookmark: %s, bytes="I64Fd", time="I64Fd,
 242                                   p_seekpoint->psz_name, p_seekpoint->i_byte_offset,
 243                                   p_seekpoint->i_time_offset );
 244                 input_Control( p_input, INPUT_ADD_BOOKMARK, p_seekpoint );
 245                 vlc_seekpoint_Delete( p_seekpoint );
 246                 *psz_parser = backup;
 247             }
 248             free( val.psz_string );
 249         }
 250     }
 251
 252     /* Remove 'Now playing' info as it is probably outdated */
 253     input_Control( p_input, INPUT_DEL_INFO,
 254         _(VLC_META_INFO_CAT),
 255         _(VLC_META_NOW_PLAYING) );
 256     input_item_SetNowPlaying( p_item, NULL );
 257
 258     /* */
 259     if( p_input->b_preparsing )
 260         p_input->i_flags |= OBJECT_FLAGS_QUIET | OBJECT_FLAGS_NOINTERACT;
 261
 262     /* */
 263     if( p_sout )
 264         p_input->p->p_sout = p_sout;
 265
 266     /* Attach only once we are ready */
 267     vlc_object_attach( p_input, p_parent );
 268
 269     return p_input;
 270 }
 271
 272 static void Destroy( input_thread_t *p_input, sout_instance_t **pp_sout )
 273 {
 274     vlc_object_detach( p_input );
 275     input_thread_private_t *priv = p_input->p;
 276
 277     if( pp_sout )
 278         *pp_sout = NULL;
 279     if( priv->p_sout )
 280     {
 281         if( pp_sout )
 282             *pp_sout = priv->p_sout;
 283         else if( priv->b_sout_keep )
 284             SoutKeep( priv->p_sout );
 285         else
 286             sout_DeleteInstance( priv->p_sout );
 287     }
 288
 289     vlc_object_destroy( p_input );
 290     vlc_mutex_destroy( &priv->lock_control );
 291     free( priv );
 292 }
 293
 294 /**
 295  * Initialize an input thread and run it. You will need to monitor the
 296  * thread to clean up after it is done
 297  *
 298  * \param p_parent a vlc_object
 299  * \param p_item an input item
 300  * \return a pointer to the spawned input thread
 301  */
 302 input_thread_t *__input_CreateThread( vlc_object_t *p_parent,
 303                                       input_item_t *p_item )
 304 {
 305     vlc_bool_t b_sout_keep;
 306     sout_instance_t *p_sout = SoutFind( p_parent, p_item, &b_sout_keep );
 307     input_thread_t *p_input =  __input_CreateThreadExtended( p_parent, p_item, NULL, p_sout );
 308
 309     if( !p_input && p_sout )
 310         SoutKeep( p_sout );
 311
 312     p_input->p->b_sout_keep = b_sout_keep;
 313     return p_input;
 314 }
 315
 316 /* */
 317 input_thread_t *__input_CreateThreadExtended( vlc_object_t *p_parent,
 318                                               input_item_t *p_item,
 319                                               const char *psz_log, sout_instance_t *p_sout )
 320 {
 321     input_thread_t *p_input;
 322
 323     p_input = Create( p_parent, p_item, psz_log, VLC_FALSE, p_sout );
 324     if( !p_input )
 325         return NULL;
 326
 327     /* Create thread and wait for its readiness. */
 328     if( vlc_thread_create( p_input, "input", Run,
 329                            VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
 330     {
 331         input_ChangeState( p_input, ERROR_S );
 332         msg_Err( p_input, "cannot create input thread" );
 333         Destroy( p_input, &p_sout );
 334         return NULL;
 335     }
 336
 337     return p_input;
 338 }
 339
 340 /**
 341  * Initialize an input thread and run it. This thread will clean after himself,
 342  * you can forget about it. It can work either in blocking or non-blocking mode
 343  *
 344  * \param p_parent a vlc_object
 345  * \param p_item an input item
 346  * \param b_block should we block until read is finished ?
 347  * \return the input object id if non blocking, an error code else
 348  */
 349 int __input_Read( vlc_object_t *p_parent, input_item_t *p_item,
 350                    vlc_bool_t b_block )
 351 {
 352     vlc_bool_t b_sout_keep;
 353     sout_instance_t *p_sout = SoutFind( p_parent, p_item, &b_sout_keep );
 354     input_thread_t *p_input;
 355
 356     p_input = Create( p_parent, p_item, NULL, VLC_FALSE, p_sout );
 357     if( !p_input && p_sout )
 358     {
 359         SoutKeep( p_sout );
 360         return VLC_EGENERIC;
 361     }
 362     p_input->p->b_sout_keep = b_sout_keep;
 363
 364     if( b_block )
 365     {
 366         RunAndDestroy( p_input );
 367         return VLC_SUCCESS;
 368     }
 369     else
 370     {
 371         if( vlc_thread_create( p_input, "input", RunAndDestroy,
 372                                VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
 373         {
 374             input_ChangeState( p_input, ERROR_S );
 375             msg_Err( p_input, "cannot create input thread" );
 376             Destroy( p_input, NULL );
 377             return VLC_EGENERIC;
 378         }
 379     }
 380     return p_input->i_object_id;
 381 }
 382
 383 /**
 384  * Initialize an input and initialize it to preparse the item
 385  * This function is blocking. It will only accept to parse files
 386  *
 387  * \param p_parent a vlc_object_t
 388  * \param p_item an input item
 389  * \return VLC_SUCCESS or an error
 390  */
 391 int __input_Preparse( vlc_object_t *p_parent, input_item_t *p_item )
 392 {
 393     input_thread_t *p_input;
 394
 395     /* Allocate descriptor */
 396     p_input = Create( p_parent, p_item, NULL, VLC_TRUE, NULL );
 397     if( !p_input )
 398         return VLC_EGENERIC;
 399
 400     if( !Init( p_input ) )
 401         End( p_input );
 402
 403     Destroy( p_input, NULL );
 404
 405     return VLC_SUCCESS;
 406 }
 407
 408 /**
 409  * Request a running input thread to stop and die
 410  *
 411  * \param the input thread to stop
 412  */
 413 void input_StopThread( input_thread_t *p_input )
 414 {
 415     vlc_list_t *p_list;
 416     int i;
 417
 418     /* Set die for input */
 419     vlc_object_kill( p_input );
 420     /* FIXME: seems to be duplicated in ControlPush(INPUT_CONTROL_SET_DIE) */
 421
 422     /* We cannot touch p_input fields directly (we come from another thread),
 423      * so use the vlc_object_find way, it's perfectly safe */
 424
 425     /* Set die for all access */
 426     p_list = vlc_list_find( p_input, VLC_OBJECT_ACCESS, FIND_CHILD );
 427     for( i = 0; i < p_list->i_count; i++ )
 428     {
 429         vlc_object_kill( p_list->p_values[i].p_object );
 430     }
 431     vlc_list_release( p_list );
 432
 433     /* Set die for all stream */
 434     p_list = vlc_list_find( p_input, VLC_OBJECT_STREAM, FIND_CHILD );
 435     for( i = 0; i < p_list->i_count; i++ )
 436     {
 437         vlc_object_kill( p_list->p_values[i].p_object );
 438     }
 439     vlc_list_release( p_list );
 440
 441     /* Set die for all demux */
 442     p_list = vlc_list_find( p_input, VLC_OBJECT_DEMUX, FIND_CHILD );
 443     for( i = 0; i < p_list->i_count; i++ )
 444     {
 445         vlc_object_kill( p_list->p_values[i].p_object );
 446     }
 447     vlc_list_release( p_list );
 448
 449     input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
 450 }
 451
 452 /**
 453  * Clean up a dead input thread
 454  * This function does not return until the thread is effectively cancelled.
 455  *
 456  * \param the input thread to kill
 457  */
 458 void input_DestroyThread( input_thread_t *p_input )
 459 {
 460     input_DestroyThreadExtended( p_input, NULL );
 461 }
 462
 463 void input_DestroyThreadExtended( input_thread_t *p_input, sout_instance_t **pp_sout )
 464 {
 465     /* Join the thread */
 466     vlc_thread_join( p_input );
 467
 468     /* */
 469     Destroy( p_input, pp_sout );
 470 }
 471
 472 /*****************************************************************************
 473  * Run: main thread loop
 474  * This is the "normal" thread that spawns the input processing chain,
 475  * reads the stream, cleans up and waits
 476  *****************************************************************************/
 477 static int Run( input_thread_t *p_input )
 478 {
 479     /* Signal that the thread is launched */
 480     vlc_thread_ready( p_input );
 481
 482     if( Init( p_input ) )
 483     {
 484         /* If we failed, wait before we are killed, and exit */
 485         p_input->b_error = VLC_TRUE;
 486         playlist_Signal( pl_Get( p_input ) );
 487
 488         Error( p_input );
 489
 490         /* Tell we're dead */
 491         p_input->b_dead = VLC_TRUE;
 492
 493         return 0;
 494     }
 495
 496     MainLoop( p_input );
 497
 498     if( !p_input->b_eof && !p_input->b_error && p_input->p->input.b_eof )
 499     {
 500         /* We have finish to demux data but not to play them */
 501         while( !p_input->b_die )
 502         {
 503             if( input_EsOutDecodersEmpty( p_input->p->p_es_out ) )
 504                 break;
 505
 506             msg_Dbg( p_input, "waiting decoder fifos to empty" );
 507
 508             msleep( INPUT_IDLE_SLEEP );
 509         }
 510
 511         /* We have finished */
 512         p_input->b_eof = VLC_TRUE;
 513         playlist_Signal( pl_Get( p_input ) );
 514     }
 515
 516     /* Wait until we are asked to die */
 517     if( !p_input->b_die )
 518     {
 519         Error( p_input );
 520     }
 521
 522     /* Clean up */
 523     End( p_input );
 524
 525     return 0;
 526 }
 527
 528 /*****************************************************************************
 529  * RunAndDestroy: main thread loop
 530  * This is the "just forget me" thread that spawns the input processing chain,
 531  * reads the stream, cleans up and releases memory
 532  *****************************************************************************/
 533 static int RunAndDestroy( input_thread_t *p_input )
 534 {
 535     /* Signal that the thread is launched */
 536     vlc_thread_ready( p_input );
 537
 538     if( Init( p_input ) )
 539         goto exit;
 540
 541     MainLoop( p_input );
 542
 543     if( !p_input->b_eof && !p_input->b_error && p_input->p->input.b_eof )
 544     {
 545         /* We have finished demuxing data but not playing it */
 546         while( !p_input->b_die )
 547         {
 548             if( input_EsOutDecodersEmpty( p_input->p->p_es_out ) )
 549                 break;
 550
 551             msg_Dbg( p_input, "waiting decoder fifos to empty" );
 552
 553             msleep( INPUT_IDLE_SLEEP );
 554         }
 555
 556         /* We have finished */
 557         p_input->b_eof = VLC_TRUE;
 558     }
 559
 560     /* Clean up */
 561     End( p_input );
 562
 563 exit:
 564     /* Release memory */
 565     Destroy( p_input, NULL );
 566     return 0;
 567 }
 568
 569 /*****************************************************************************
 570  * Main loop: Fill buffers from access, and demux
 571  *****************************************************************************/
 572 static void MainLoop( input_thread_t *p_input )
 573 {
 574     int64_t i_start_mdate = mdate();
 575     int64_t i_intf_update = 0;
 576     int i_updates = 0;
 577
 578     while( !p_input->b_die && !p_input->b_error && !p_input->p->input.b_eof )
 579     {
 580         vlc_bool_t b_force_update = VLC_FALSE;
 581         int i_ret;
 582         int i_type;
 583         vlc_value_t val;
 584
 585         /* Do the read */
 586         if( p_input->i_state != PAUSE_S  )
 587         {
 588             if( ( p_input->p->i_stop > 0 && p_input->i_time >= p_input->p->i_stop ) ||
 589                 ( p_input->p->i_run > 0 && i_start_mdate+p_input->p->i_run < mdate() ) )
 590                 i_ret = 0; /* EOF */
 591             else
 592                 i_ret = p_input->p->input.p_demux->pf_demux(p_input->p->input.p_demux);
 593
 594             if( i_ret > 0 )
 595             {
 596                 /* TODO */
 597                 if( p_input->p->input.b_title_demux &&
 598                     p_input->p->input.p_demux->info.i_update )
 599                 {
 600                     i_ret = UpdateFromDemux( p_input );
 601                     b_force_update = VLC_TRUE;
 602                 }
 603                 else if( !p_input->p->input.b_title_demux &&
 604                           p_input->p->input.p_access &&
 605                           p_input->p->input.p_access->info.i_update )
 606                 {
 607                     i_ret = UpdateFromAccess( p_input );
 608                     b_force_update = VLC_TRUE;
 609                 }
 610             }
 611
 612             if( i_ret == 0 )    /* EOF */
 613             {
 614                 vlc_value_t repeat;
 615
 616                 var_Get( p_input, "input-repeat", &repeat );
 617                 if( repeat.i_int == 0 )
 618                 {
 619                     /* End of file - we do not set b_die because only the
 620                      * playlist is allowed to do so. */
 621                     input_ChangeState( p_input, END_S );
 622                     msg_Dbg( p_input, "EOF reached" );
 623                     p_input->p->input.b_eof = VLC_TRUE;
 624                 }
 625                 else
 626                 {
 627                     msg_Dbg( p_input, "repeating the same input (%d)",
 628                              repeat.i_int );
 629                     if( repeat.i_int > 0 )
 630                     {
 631                         repeat.i_int--;
 632                         var_Set( p_input, "input-repeat", repeat );
 633                     }
 634
 635                     /* Seek to start title/seekpoint */
 636                     val.i_int = p_input->p->input.i_title_start -
 637                         p_input->p->input.i_title_offset;
 638                     if( val.i_int < 0 || val.i_int >= p_input->p->input.i_title )
 639                         val.i_int = 0;
 640                     input_ControlPush( p_input,
 641                                        INPUT_CONTROL_SET_TITLE, &val );
 642
 643                     val.i_int = p_input->p->input.i_seekpoint_start -
 644                         p_input->p->input.i_seekpoint_offset;
 645                     if( val.i_int > 0 /* TODO: check upper boundary */ )
 646                         input_ControlPush( p_input,
 647                                            INPUT_CONTROL_SET_SEEKPOINT, &val );
 648
 649                     /* Seek to start position */
 650                     if( p_input->p->i_start > 0 )
 651                     {
 652                         val.i_time = p_input->p->i_start;
 653                         input_ControlPush( p_input, INPUT_CONTROL_SET_TIME,
 654                                            &val );
 655                     }
 656                     else
 657                     {
 658                         val.f_float = 0.0;
 659                         input_ControlPush( p_input, INPUT_CONTROL_SET_POSITION,
 660                                            &val );
 661                     }
 662
 663                     /* */
 664                     i_start_mdate = mdate();
 665                 }
 666             }
 667             else if( i_ret < 0 )
 668             {
 669                 p_input->b_error = VLC_TRUE;
 670             }
 671
 672             if( i_ret > 0 && p_input->p->i_slave > 0 )
 673             {
 674                 SlaveDemux( p_input );
 675             }
 676         }
 677         else
 678         {
 679             /* Small wait */
 680             msleep( 10*1000 );
 681         }
 682
 683         /* Handle control */
 684         vlc_mutex_lock( &p_input->p->lock_control );
 685         ControlReduce( p_input );
 686         while( !ControlPopNoLock( p_input, &i_type, &val ) )
 687         {
 688             msg_Dbg( p_input, "control type=%d", i_type );
 689             if( Control( p_input, i_type, val ) )
 690                 b_force_update = VLC_TRUE;
 691         }
 692         vlc_mutex_unlock( &p_input->p->lock_control );
 693
 694         if( b_force_update || i_intf_update < mdate() )
 695         {
 696             vlc_value_t val;
 697             double f_pos;
 698             int64_t i_time, i_length;
 699             /* update input status variables */
 700             if( !demux2_Control( p_input->p->input.p_demux,
 701                                  DEMUX_GET_POSITION, &f_pos ) )
 702             {
 703                 val.f_float = (float)f_pos;
 704                 var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
 705             }
 706             if( !demux2_Control( p_input->p->input.p_demux,
 707                                  DEMUX_GET_TIME, &i_time ) )
 708             {
 709                 p_input->i_time = i_time;
 710                 val.i_time = i_time;
 711                 var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
 712             }
 713             if( !demux2_Control( p_input->p->input.p_demux,
 714                                  DEMUX_GET_LENGTH, &i_length ) )
 715             {
 716                 vlc_value_t old_val;
 717                 var_Get( p_input, "length", &old_val );
 718                 val.i_time = i_length;
 719                 var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
 720
 721                 if( old_val.i_time != val.i_time )
 722                 {
 723                     UpdateItemLength( p_input, i_length );
 724                 }
 725             }
 726
 727             var_SetBool( p_input, "intf-change", VLC_TRUE );
 728             i_intf_update = mdate() + I64C(150000);
 729         }
 730         /* 150ms * 8 = ~ 1 second */
 731         if( ++i_updates % 8 == 0 )
 732         {
 733             stats_ComputeInputStats( p_input, p_input->p->input.p_item->p_stats );
 734             /* Are we the thread responsible for computing global stats ? */
 735             if( p_input->p_libvlc->p_playlist->p_stats_computer == p_input )
 736             {
 737                 stats_ComputeGlobalStats( p_input->p_libvlc->p_playlist,
 738                                      p_input->p_libvlc->p_playlist->p_stats );
 739             }
 740         }
 741     }
 742 }
 743
 744 static int Init( input_thread_t * p_input )
 745 {
 746     char *psz;
 747     char *psz_subtitle;
 748     vlc_value_t val;
 749     double f_fps;
 750     vlc_meta_t *p_meta;
 751     int i_es_out_mode;
 752     int i, i_delay;
 753
 754     /* Initialize optional stream output. (before access/demuxer)
 755      * XXX: we add a special case if the uri starts by vlc.
 756      * else 'vlc in.file --sout "" vlc:quit'  cannot work (the output will
 757      * be destroyed in case of a file).
 758      * (this will break playing of file starting by 'vlc:' but I don't
 759      * want to add more logic, just force file by file:// or code it ;)
 760      */
 761     memset( &p_input->p->counters, 0, sizeof( p_input->p->counters ) );
 762     vlc_mutex_init( p_input, &p_input->p->counters.counters_lock );
 763
 764     for( i = 0; i < p_input->p->input.p_item->i_options; i++ )
 765     {
 766         if( !strncmp( p_input->p->input.p_item->ppsz_options[i], "meta-file", 9 ) )
 767         {
 768             msg_Dbg( p_input, "Input is a meta file: disabling unneeded options" );
 769             var_SetString( p_input, "sout", "" );
 770             var_SetBool( p_input, "sout-all", VLC_FALSE );
 771             var_SetString( p_input, "input-slave", "" );
 772             var_SetInteger( p_input, "input-repeat", 0 );
 773             var_SetString( p_input, "sub-file", "" );
 774             var_SetBool( p_input, "sub-autodetect-file", VLC_FALSE );
 775         }
 776     }
 777
 778     if( !p_input->b_preparsing )
 779     {
 780         /* Prepare statistics */
 781 #define INIT_COUNTER( c, type, compute ) p_input->p->counters.p_##c = \
 782      stats_CounterCreate( p_input, VLC_VAR_##type, STATS_##compute);
 783         if( p_input->p_libvlc->b_stats )
 784         {
 785             INIT_COUNTER( read_bytes, INTEGER, COUNTER );
 786             INIT_COUNTER( read_packets, INTEGER, COUNTER );
 787             INIT_COUNTER( demux_read, INTEGER, COUNTER );
 788             INIT_COUNTER( input_bitrate, FLOAT, DERIVATIVE );
 789             INIT_COUNTER( demux_bitrate, FLOAT, DERIVATIVE );
 790             INIT_COUNTER( played_abuffers, INTEGER, COUNTER );
 791             INIT_COUNTER( lost_abuffers, INTEGER, COUNTER );
 792             INIT_COUNTER( displayed_pictures, INTEGER, COUNTER );
 793             INIT_COUNTER( lost_pictures, INTEGER, COUNTER );
 794             INIT_COUNTER( decoded_audio, INTEGER, COUNTER );
 795             INIT_COUNTER( decoded_video, INTEGER, COUNTER );
 796             INIT_COUNTER( decoded_sub, INTEGER, COUNTER );
 797             p_input->p->counters.p_sout_send_bitrate = NULL;
 798             p_input->p->counters.p_sout_sent_packets = NULL;
 799             p_input->p->counters.p_sout_sent_bytes = NULL;
 800             if( p_input->p->counters.p_demux_bitrate )
 801                 p_input->p->counters.p_demux_bitrate->update_interval = 1000000;
 802             if( p_input->p->counters.p_input_bitrate )
 803                 p_input->p->counters.p_input_bitrate->update_interval = 1000000;
 804         }
 805
 806         /* Find a usable sout and attach it to p_input */
 807         psz = var_GetNonEmptyString( p_input, "sout" );
 808         if( psz && strncasecmp( p_input->p->input.p_item->psz_uri, "vlc:", 4 ) )
 809         {
 810             /* Check the validity of the provided sout */
 811             if( p_input->p->p_sout )
 812             {
 813                 if( strcmp( p_input->p->p_sout->psz_sout, psz ) )
 814                 {
 815                     msg_Dbg( p_input, "destroying unusable sout" );
 816
 817                     sout_DeleteInstance( p_input->p->p_sout );
 818                     p_input->p->p_sout = NULL;
 819                 }
 820             }
 821
 822             if( p_input->p->p_sout )
 823             {
 824                 /* Reuse it */
 825                 msg_Dbg( p_input, "sout keep: reusing sout" );
 826                 msg_Dbg( p_input, "sout keep: you probably want to use "
 827                                   "gather stream_out" );
 828                 vlc_object_attach( p_input->p->p_sout, p_input );
 829             }
 830             else
 831             {
 832                 /* Create a new one */
 833                 p_input->p->p_sout = sout_NewInstance( p_input, psz );
 834
 835                 if( !p_input->p->p_sout )
 836                 {
 837                     input_ChangeState( p_input, ERROR_S );
 838                     msg_Err( p_input, "cannot start stream output instance, " \
 839                                       "aborting" );
 840                     free( psz );
 841                     return VLC_EGENERIC;
 842                 }
 843             }
 844
 845             if( p_input->p_libvlc->b_stats )
 846             {
 847                 INIT_COUNTER( sout_sent_packets, INTEGER, COUNTER );
 848                 INIT_COUNTER (sout_sent_bytes, INTEGER, COUNTER );
 849                 INIT_COUNTER( sout_send_bitrate, FLOAT, DERIVATIVE );
 850                 if( p_input->p->counters.p_sout_send_bitrate )
 851                      p_input->p->counters.p_sout_send_bitrate->update_interval =
 852                              1000000;
 853             }
 854         }
 855         else if( p_input->p->p_sout )
 856         {
 857             msg_Dbg( p_input, "destroying useless sout" );
 858
 859             sout_DeleteInstance( p_input->p->p_sout );
 860             p_input->p->p_sout = NULL;
 861         }
 862         free( psz );
 863     }
 864
 865     /* Create es out */
 866     p_input->p->p_es_out = input_EsOutNew( p_input );
 867     es_out_Control( p_input->p->p_es_out, ES_OUT_SET_ACTIVE, VLC_FALSE );
 868     es_out_Control( p_input->p->p_es_out, ES_OUT_SET_MODE, ES_OUT_MODE_NONE );
 869
 870     var_Create( p_input, "bit-rate", VLC_VAR_INTEGER );
 871     var_Create( p_input, "sample-rate", VLC_VAR_INTEGER );
 872
 873     if( InputSourceInit( p_input, &p_input->p->input,
 874                          p_input->p->input.p_item->psz_uri, NULL ) )
 875     {
 876         goto error;
 877     }
 878
 879     /* Create global title (from master) */
 880     if( !p_input->b_preparsing )
 881     {
 882         p_input->p->i_title = p_input->p->input.i_title;
 883         p_input->p->title   = p_input->p->input.title;
 884         p_input->p->i_title_offset = p_input->p->input.i_title_offset;
 885         p_input->p->i_seekpoint_offset = p_input->p->input.i_seekpoint_offset;
 886         if( p_input->p->i_title > 0 )
 887         {
 888             /* Setup variables */
 889             input_ControlVarNavigation( p_input );
 890             input_ControlVarTitle( p_input, 0 );
 891         }
 892
 893         /* Global flag */
 894         p_input->b_can_pace_control = p_input->p->input.b_can_pace_control;
 895         p_input->p->b_can_pause        = p_input->p->input.b_can_pause;
 896
 897         /* Fix pts delay */
 898         if( p_input->i_pts_delay < 0 )
 899             p_input->i_pts_delay = 0;
 900
 901         /* If the desynchronisation requested by the user is < 0, we need to
 902          * cache more data. */
 903         var_Get( p_input, "audio-desync", &val );
 904         if( val.i_int < 0 ) p_input->i_pts_delay -= (val.i_int * 1000);
 905
 906         /* Update cr_average depending on the caching */
 907         p_input->p->input.i_cr_average *= (10 * p_input->i_pts_delay / 200000);
 908         p_input->p->input.i_cr_average /= 10;
 909         if( p_input->p->input.i_cr_average < 10 ) p_input->p->input.i_cr_average = 10;
 910     }
 911
 912     /* Load master infos */
 913     /* Init length */
 914     if( !demux2_Control( p_input->p->input.p_demux, DEMUX_GET_LENGTH,
 915                          &val.i_time ) && val.i_time > 0 )
 916     {
 917         var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
 918         UpdateItemLength( p_input, val.i_time );
 919     }
 920     else
 921     {
 922         val.i_time = input_item_GetDuration( p_input->p->input.p_item );
 923         if( val.i_time > 0 )
 924         { /* fallback: gets length from metadata */
 925             var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
 926             UpdateItemLength( p_input, val.i_time );
 927         }
 928     }
 929
 930     /* Start title/chapter */
 931     if( !p_input->b_preparsing )
 932     {
 933         val.i_int = p_input->p->input.i_title_start -
 934                     p_input->p->input.i_title_offset;
 935         if( val.i_int > 0 && val.i_int < p_input->p->input.i_title )
 936             input_ControlPush( p_input, INPUT_CONTROL_SET_TITLE, &val );
 937         val.i_int = p_input->p->input.i_seekpoint_start -
 938                     p_input->p->input.i_seekpoint_offset;
 939         if( val.i_int > 0 /* TODO: check upper boundary */ )
 940             input_ControlPush( p_input, INPUT_CONTROL_SET_SEEKPOINT, &val );
 941
 942         /* Start time*/
 943         /* Set start time */
 944         p_input->p->i_start = I64C(1000000) * var_GetInteger( p_input, "start-time" );
 945         p_input->p->i_stop  = I64C(1000000) * var_GetInteger( p_input, "stop-time" );
 946         p_input->p->i_run   = I64C(1000000) * var_GetInteger( p_input, "run-time" );
 947         if( p_input->p->i_run < 0 )
 948         {
 949             msg_Warn( p_input, "invalid run-time ignored" );
 950             p_input->p->i_run = 0;
 951         }
 952
 953         if( p_input->p->i_start > 0 )
 954         {
 955             if( p_input->p->i_start >= val.i_time )
 956             {
 957                 msg_Warn( p_input, "invalid start-time ignored" );
 958             }
 959             else
 960             {
 961                 vlc_value_t s;
 962
 963                 msg_Dbg( p_input, "starting at time: %ds",
 964                                   (int)( p_input->p->i_start / I64C(1000000) ) );
 965
 966                 s.i_time = p_input->p->i_start;
 967                 input_ControlPush( p_input, INPUT_CONTROL_SET_TIME, &s );
 968             }
 969         }
 970         if( p_input->p->i_stop > 0 && p_input->p->i_stop <= p_input->p->i_start )
 971         {
 972             msg_Warn( p_input, "invalid stop-time ignored" );
 973             p_input->p->i_stop = 0;
 974         }
 975
 976         /* Load subtitles */
 977         /* Get fps and set it if not already set */
 978         if( !demux2_Control( p_input->p->input.p_demux, DEMUX_GET_FPS, &f_fps ) &&
 979             f_fps > 1.0 )
 980         {
 981             float f_requested_fps;
 982
 983             var_Create( p_input, "sub-original-fps", VLC_VAR_FLOAT );
 984             var_SetFloat( p_input, "sub-original-fps", f_fps );
 985
 986             f_requested_fps = var_CreateGetFloat( p_input, "sub-fps" );
 987             if( f_requested_fps != f_fps )
 988             {
 989                 var_Create( p_input, "sub-fps", VLC_VAR_FLOAT|
 990                                                 VLC_VAR_DOINHERIT );
 991                 var_SetFloat( p_input, "sub-fps", f_requested_fps );
 992             }
 993         }
 994
 995         i_delay = var_CreateGetInteger( p_input, "sub-delay" );
 996         if( i_delay != 0 )
 997         {
 998             var_SetTime( p_input, "spu-delay", (mtime_t)i_delay * 100000 );
 999         }
1000
1001         /* Look for and add subtitle files */
1002         psz_subtitle = var_GetNonEmptyString( p_input, "sub-file" );
1003         if( psz_subtitle != NULL )
1004         {
1005             msg_Dbg( p_input, "forced subtitle: %s", psz_subtitle );
1006             input_AddSubtitles( p_input, psz_subtitle, VLC_FALSE );
1007         }
1008
1009         var_Get( p_input, "sub-autodetect-file", &val );
1010         if( val.b_bool )
1011         {
1012             char *psz_autopath = var_GetNonEmptyString( p_input, "sub-autodetect-path" );
1013             char **subs = subtitles_Detect( p_input, psz_autopath,
1014                                             p_input->p->input.p_item->psz_uri );
1015             input_source_t *sub;
1016             i = 0;
1017             if( psz_autopath == NULL )
1018                 psz_autopath = strdup("");
1019
1020             /* Try to autoselect the first autodetected subtitles file
1021              * if no subtitles file was specified */
1022             if( ( psz_subtitle == NULL ) && subs && subs[0] )
1023             {
1024                 input_AddSubtitles( p_input, subs[0], VLC_FALSE );
1025                 free( subs[0] );
1026                 i = 1;
1027             }
1028
1029             /* Then, just add the following subtitles files */
1030             for( ; subs && subs[i]; i++ )
1031             {
1032                 if( !psz_subtitle || strcmp( psz_subtitle, subs[i] ) )
1033                 {
1034                     sub = InputSourceNew( p_input );
1035                     if( !InputSourceInit( p_input, sub, subs[i], "subtitle" ) )
1036                     {
1037                         TAB_APPEND( p_input->p->i_slave, p_input->p->slave, sub );
1038                     }
1039                     else free( sub );
1040                 }
1041                 free( subs[i] );
1042             }
1043             if( subs ) free( subs );
1044             if( psz_autopath ) free( psz_autopath );
1045         }
1046         free( psz_subtitle );
1047
1048         /* Look for slave */
1049         psz = var_GetNonEmptyString( p_input, "input-slave" );
1050         if( psz != NULL )
1051         {
1052             char *psz_delim;
1053             input_source_t *slave;
1054             while( psz && *psz )
1055             {
1056                 while( *psz == ' ' || *psz == '#' )
1057                 {
1058                     psz++;
1059                 }
1060                 if( ( psz_delim = strchr( psz, '#' ) ) )
1061                 {
1062                     *psz_delim++ = '\0';
1063                 }
1064                 if( *psz == 0 )
1065                 {
1066                     break;
1067                 }
1068
1069                 msg_Dbg( p_input, "adding slave input '%s'", psz );
1070                 slave = InputSourceNew( p_input );
1071                 if( !InputSourceInit( p_input, slave, psz, NULL ) )
1072                 {
1073                     TAB_APPEND( p_input->p->i_slave, p_input->p->slave, slave );
1074                 }
1075                 else free( slave );
1076                 psz = psz_delim;
1077             }
1078             free( psz );
1079         }
1080     }
1081     else
1082     {
1083         p_input->p->i_start = 0;
1084         p_input->p->i_start = 0;
1085     }
1086
1087     /* Set up es_out */
1088     if( !p_input->b_preparsing )
1089     {
1090         es_out_Control( p_input->p->p_es_out, ES_OUT_SET_ACTIVE, VLC_TRUE );
1091         i_es_out_mode = ES_OUT_MODE_AUTO;
1092         val.p_list = NULL;
1093         if( p_input->p->p_sout )
1094         {
1095             var_Get( p_input, "sout-all", &val );
1096             if ( val.b_bool )
1097             {
1098                 i_es_out_mode = ES_OUT_MODE_ALL;
1099                 val.p_list = NULL;
1100             }
1101             else
1102             {
1103                 var_Get( p_input, "programs", &val );
1104                 if ( val.p_list && val.p_list->i_count )
1105                 {
1106                     i_es_out_mode = ES_OUT_MODE_PARTIAL;
1107                     /* Note : we should remove the "program" callback. */
1108                 }
1109                 else
1110                     var_Change( p_input, "programs", VLC_VAR_FREELIST, &val,
1111                                 NULL );
1112             }
1113         }
1114         es_out_Control( p_input->p->p_es_out, ES_OUT_SET_MODE, i_es_out_mode );
1115
1116         /* Inform the demuxer about waited group (needed only for DVB) */
1117         if( i_es_out_mode == ES_OUT_MODE_ALL )
1118         {
1119             demux2_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, -1, NULL );
1120         }
1121         else if( i_es_out_mode == ES_OUT_MODE_PARTIAL )
1122         {
1123             demux2_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, -1,
1124                             val.p_list );
1125         }
1126         else
1127         {
1128             demux2_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP,
1129                            (int) var_GetInteger( p_input, "program" ), NULL );
1130         }
1131
1132         if( p_input->p->p_sout )
1133         {
1134             if( p_input->p->p_sout->i_out_pace_nocontrol > 0 )
1135             {
1136                 p_input->p->b_out_pace_control = VLC_FALSE;
1137             }
1138             else
1139             {
1140                 p_input->p->b_out_pace_control = VLC_TRUE;
1141             }
1142
1143             if( p_input->b_can_pace_control && p_input->p->b_out_pace_control )
1144             {
1145                 /* We don't want a high input priority here or we'll
1146                  * end-up sucking up all the CPU time */
1147                 vlc_thread_set_priority( p_input, VLC_THREAD_PRIORITY_LOW );
1148             }
1149
1150             msg_Dbg( p_input, "starting in %s mode",
1151                      p_input->p->b_out_pace_control ? "async" : "sync" );
1152         }
1153     }
1154
1155     p_meta = vlc_meta_New();
1156     /* Get meta data from users */
1157     InputMetaUser( p_input, p_meta );
1158
1159     /* Get meta data from master input */
1160     demux2_Control( p_input->p->input.p_demux, DEMUX_GET_META, p_meta );
1161
1162     /* Access_file does not give any meta, and there are no slave */
1163     if( !p_input->b_preparsing )
1164     {
1165         if( p_input->p->input.p_access )
1166             access2_Control( p_input->p->input.p_access, ACCESS_GET_META,
1167                              p_meta );
1168
1169         /* Get meta data from slave input */
1170         for( i = 0; i < p_input->p->i_slave; i++ )
1171         {
1172             demux2_Control( p_input->p->slave[i]->p_demux,
1173                             DEMUX_GET_META, p_meta );
1174             if( p_input->p->slave[i]->p_access )
1175             {
1176                 access2_Control( p_input->p->slave[i]->p_access,
1177                                  ACCESS_GET_META, p_meta );
1178             }
1179         }
1180     }
1181
1182     InputUpdateMeta( p_input, p_meta );
1183
1184     if( !p_input->b_preparsing )
1185     {
1186         msg_Dbg( p_input, "`%s' successfully opened",
1187                  p_input->p->input.p_item->psz_uri );
1188
1189     }
1190
1191     /* initialization is complete */
1192     input_ChangeState( p_input, PLAYING_S );
1193
1194     return VLC_SUCCESS;
1195
1196 error:
1197     input_ChangeState( p_input, ERROR_S );
1198
1199     if( p_input->p->p_es_out )
1200         input_EsOutDelete( p_input->p->p_es_out );
1201
1202     if( p_input->p->p_sout )
1203     {
1204         vlc_object_detach( p_input->p->p_sout );
1205         sout_DeleteInstance( p_input->p->p_sout );
1206     }
1207
1208
1209     if( !p_input->b_preparsing && p_input->p_libvlc->b_stats )
1210     {
1211 #define EXIT_COUNTER( c ) do { if( p_input->p->counters.p_##c ) \
1212                                    stats_CounterClean( p_input->p->counters.p_##c );\
1213                                p_input->p->counters.p_##c = NULL; } while(0)
1214         EXIT_COUNTER( read_bytes );
1215         EXIT_COUNTER( read_packets );
1216         EXIT_COUNTER( demux_read );
1217         EXIT_COUNTER( input_bitrate );
1218         EXIT_COUNTER( demux_bitrate );
1219         EXIT_COUNTER( played_abuffers );
1220         EXIT_COUNTER( lost_abuffers );
1221         EXIT_COUNTER( displayed_pictures );
1222         EXIT_COUNTER( lost_pictures );
1223         EXIT_COUNTER( decoded_audio );
1224         EXIT_COUNTER( decoded_video );
1225         EXIT_COUNTER( decoded_sub );
1226
1227         if( p_input->p->p_sout )
1228         {
1229             EXIT_COUNTER( sout_sent_packets );
1230             EXIT_COUNTER (sout_sent_bytes );
1231             EXIT_COUNTER( sout_send_bitrate );
1232         }
1233 #undef EXIT_COUNTER
1234     }
1235
1236     /* Mark them deleted */
1237     p_input->p->input.p_demux = NULL;
1238     p_input->p->input.p_stream = NULL;
1239     p_input->p->input.p_access = NULL;
1240     p_input->p->p_es_out = NULL;
1241     p_input->p->p_sout = NULL;
1242
1243     return VLC_EGENERIC;
1244 }
1245
1246 /*****************************************************************************
1247  * Error: RunThread() error loop
1248  *****************************************************************************
1249  * This function is called when an error occurred during thread main's loop.
1250  *****************************************************************************/
1251 static void Error( input_thread_t *p_input )
1252 {
1253     while( !p_input->b_die )
1254     {
1255         /* Sleep a while */
1256         input_ChangeState( p_input, ERROR_S );
1257         msleep( INPUT_IDLE_SLEEP );
1258     }
1259 }
1260
1261 /*****************************************************************************
1262  * End: end the input thread
1263  *****************************************************************************/
1264 static void End( input_thread_t * p_input )
1265 {
1266     int i;
1267
1268     /* We are at the end */
1269     input_ChangeState( p_input, END_S );
1270
1271     /* Clean control variables */
1272     input_ControlVarClean( p_input );
1273
1274     /* Clean up master */
1275     InputSourceClean( &p_input->p->input );
1276
1277     /* Delete slave */
1278     for( i = 0; i < p_input->p->i_slave; i++ )
1279     {
1280         InputSourceClean( p_input->p->slave[i] );
1281         free( p_input->p->slave[i] );
1282     }
1283     if( p_input->p->slave ) free( p_input->p->slave );
1284
1285     /* Unload all modules */
1286     if( p_input->p->p_es_out )
1287         input_EsOutDelete( p_input->p->p_es_out );
1288
1289     if( !p_input->b_preparsing )
1290     {
1291 #define CL_CO( c ) stats_CounterClean( p_input->p->counters.p_##c ); p_input->p->counters.p_##c = NULL;
1292         if( p_input->p_libvlc->b_stats )
1293         {
1294             /* make sure we are up to date */
1295             stats_ComputeInputStats( p_input, p_input->p->input.p_item->p_stats );
1296             if( p_input->p_libvlc->p_playlist->p_stats_computer == p_input )
1297             {
1298                 stats_ComputeGlobalStats( p_input->p_libvlc->p_playlist,
1299                                           p_input->p_libvlc->p_playlist->p_stats );
1300                 p_input->p_libvlc->p_playlist->p_stats_computer = NULL;
1301             }
1302             CL_CO( read_bytes );
1303             CL_CO( read_packets );
1304             CL_CO( demux_read );
1305             CL_CO( input_bitrate );
1306             CL_CO( demux_bitrate );
1307             CL_CO( played_abuffers );
1308             CL_CO( lost_abuffers );
1309             CL_CO( displayed_pictures );
1310             CL_CO( lost_pictures );
1311             CL_CO( decoded_audio) ;
1312             CL_CO( decoded_video );
1313             CL_CO( decoded_sub) ;
1314         }
1315
1316         /* Close optional stream output instance */
1317         if( p_input->p->p_sout )
1318         {
1319             CL_CO( sout_sent_packets );
1320             CL_CO( sout_sent_bytes );
1321             CL_CO( sout_send_bitrate );
1322
1323             vlc_object_detach( p_input->p->p_sout );
1324         }
1325 #undef CL_CO
1326     }
1327
1328     if( p_input->p->i_attachment > 0 )
1329     {
1330         for( i = 0; i < p_input->p->i_attachment; i++ )
1331             vlc_input_attachment_Delete( p_input->p->attachment[i] );
1332         TAB_CLEAN( p_input->p->i_attachment, p_input->p->attachment );
1333     }
1334
1335     vlc_mutex_destroy( &p_input->p->counters.counters_lock );
1336
1337     /* Tell we're dead */
1338     p_input->b_dead = VLC_TRUE;
1339 }
1340
1341 static sout_instance_t *SoutFind( vlc_object_t *p_parent, input_item_t *p_item, vlc_bool_t *pb_sout_keep )
1342 {
1343     vlc_bool_t b_keep_sout = var_CreateGetBool( p_parent, "sout-keep" );
1344     sout_instance_t *p_sout = NULL;
1345     int i;
1346
1347     /* Search sout-keep options
1348      * XXX it has to be done here, but it is duplicated work :( */
1349     vlc_mutex_lock( &p_item->lock );
1350     for( i = 0; i < p_item->i_options; i++ )
1351     {
1352         const char *psz_option = p_item->ppsz_options[i];
1353         if( !psz_option )
1354             continue;
1355         if( *psz_option == ':' )
1356             psz_option++;
1357
1358         if( !strcmp( psz_option, "sout-keep" ) )
1359             b_keep_sout = VLC_TRUE;
1360         else if( !strcmp( psz_option, "no-sout-keep" ) || !strcmp( psz_option, "nosout-keep" ) )
1361             b_keep_sout = VLC_FALSE;
1362     }
1363     vlc_mutex_unlock( &p_item->lock );
1364
1365     /* Find a potential sout to reuse
1366      * XXX it might be unusable but this will be checked later */
1367     if( b_keep_sout )
1368     {
1369         /* Remove the sout from the playlist garbage collector */
1370         playlist_t *p_playlist = pl_Yield( p_parent );
1371
1372         vlc_mutex_lock( &p_playlist->gc_lock );
1373         p_sout = vlc_object_find( p_playlist, VLC_OBJECT_SOUT, FIND_CHILD );
1374         if( p_sout )
1375         {
1376             if( p_sout->p_parent != VLC_OBJECT(p_playlist) )
1377             {
1378                 vlc_object_release( p_sout );
1379                 p_sout = NULL;
1380             }
1381             else
1382             {
1383                 vlc_object_detach( p_sout );    /* Remove it from the GC */
1384
1385                 vlc_object_release( p_sout );
1386             }
1387         }
1388         vlc_mutex_unlock( &p_playlist->gc_lock );
1389
1390         pl_Release( p_parent );
1391     }
1392
1393     if( pb_sout_keep )
1394         *pb_sout_keep = b_keep_sout;
1395
1396     return p_sout;
1397 }
1398 static void SoutKeep( sout_instance_t *p_sout )
1399 {
1400     /* attach sout to the playlist */
1401     playlist_t  *p_playlist = pl_Yield( p_sout );
1402
1403     msg_Dbg( p_sout, "sout has been kept" );
1404     vlc_object_attach( p_sout, p_playlist );
1405
1406     pl_Release( p_sout );
1407 }
1408
1409 /*****************************************************************************
1410  * Control
1411  *****************************************************************************/
1412 static inline int ControlPopNoLock( input_thread_t *p_input,
1413                                     int *pi_type, vlc_value_t *p_val )
1414 {
1415     if( p_input->p->i_control <= 0 )
1416     {
1417         return VLC_EGENERIC;
1418     }
1419
1420     *pi_type = p_input->p->control[0].i_type;
1421     *p_val   = p_input->p->control[0].val;
1422
1423     p_input->p->i_control--;
1424     if( p_input->p->i_control > 0 )
1425     {
1426         int i;
1427
1428         for( i = 0; i < p_input->p->i_control; i++ )
1429         {
1430             p_input->p->control[i].i_type = p_input->p->control[i+1].i_type;
1431             p_input->p->control[i].val    = p_input->p->control[i+1].val;
1432         }
1433     }
1434
1435     return VLC_SUCCESS;
1436 }
1437
1438 static void ControlReduce( input_thread_t *p_input )
1439 {
1440     int i;
1441
1442     if( !p_input )
1443         return;
1444
1445     for( i = 1; i < p_input->p->i_control; i++ )
1446     {
1447         const int i_lt = p_input->p->control[i-1].i_type;
1448         const int i_ct = p_input->p->control[i].i_type;
1449
1450         /* XXX We can't merge INPUT_CONTROL_SET_ES */
1451 /*        msg_Dbg( p_input, "[%d/%d] l=%d c=%d", i, p_input->p->i_control,
1452                  i_lt, i_ct );
1453 */
1454         if( i_lt == i_ct &&
1455             ( i_ct == INPUT_CONTROL_SET_STATE ||
1456               i_ct == INPUT_CONTROL_SET_RATE ||
1457               i_ct == INPUT_CONTROL_SET_POSITION ||
1458               i_ct == INPUT_CONTROL_SET_TIME ||
1459               i_ct == INPUT_CONTROL_SET_PROGRAM ||
1460               i_ct == INPUT_CONTROL_SET_TITLE ||
1461               i_ct == INPUT_CONTROL_SET_SEEKPOINT ||
1462               i_ct == INPUT_CONTROL_SET_BOOKMARK ) )
1463         {
1464             int j;
1465 //            msg_Dbg( p_input, "merged at %d", i );
1466             /* Remove the i-1 */
1467             for( j = i; j <  p_input->p->i_control; j++ )
1468                 p_input->p->control[j-1] = p_input->p->control[j];
1469             p_input->p->i_control--;
1470         }
1471         else
1472         {
1473             /* TODO but that's not that important
1474                 - merge SET_X with SET_X_CMD
1475                 - remove SET_SEEKPOINT/SET_POSITION/SET_TIME before a SET_TITLE
1476                 - remove SET_SEEKPOINT/SET_POSITION/SET_TIME before another among them
1477                 - ?
1478                 */
1479         }
1480     }
1481 }
1482
1483 static vlc_bool_t Control( input_thread_t *p_input, int i_type,
1484                            vlc_value_t val )
1485 {
1486     vlc_bool_t b_force_update = VLC_FALSE;
1487
1488     if( !p_input ) return b_force_update;
1489
1490     switch( i_type )
1491     {
1492         case INPUT_CONTROL_SET_DIE:
1493             msg_Dbg( p_input, "control: stopping input" );
1494             /* Mark all submodules to die */
1495             if( p_input->p->input.p_access )
1496                 vlc_object_kill( p_input->p->input.p_access );
1497             if( p_input->p->input.p_stream )
1498                 vlc_object_kill( p_input->p->input.p_stream );
1499             vlc_object_kill( p_input->p->input.p_demux );
1500
1501             vlc_object_kill( p_input );
1502             break;
1503
1504         case INPUT_CONTROL_SET_POSITION:
1505         case INPUT_CONTROL_SET_POSITION_OFFSET:
1506         {
1507             double f_pos;
1508             if( i_type == INPUT_CONTROL_SET_POSITION )
1509             {
1510                 f_pos = val.f_float;
1511             }
1512             else
1513             {
1514                 /* Should not fail */
1515                 demux2_Control( p_input->p->input.p_demux,
1516                                 DEMUX_GET_POSITION, &f_pos );
1517                 f_pos += val.f_float;
1518             }
1519             if( f_pos < 0.0 ) f_pos = 0.0;
1520             if( f_pos > 1.0 ) f_pos = 1.0;
1521             /* Reset the decoders states and clock sync (before calling the demuxer */
1522             es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1523             input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_TRUE, VLC_FALSE );
1524             if( demux2_Control( p_input->p->input.p_demux, DEMUX_SET_POSITION,
1525                                 f_pos ) )
1526             {
1527                 msg_Err( p_input, "INPUT_CONTROL_SET_POSITION(_OFFSET) "
1528                          "%2.1f%% failed", f_pos * 100 );
1529             }
1530             else
1531             {
1532                 if( p_input->p->i_slave > 0 )
1533                     SlaveSeek( p_input );
1534
1535                 b_force_update = VLC_TRUE;
1536             }
1537             break;
1538         }
1539
1540         case INPUT_CONTROL_SET_TIME:
1541         case INPUT_CONTROL_SET_TIME_OFFSET:
1542         {
1543             int64_t i_time;
1544             int i_ret;
1545
1546             if( i_type == INPUT_CONTROL_SET_TIME )
1547             {
1548                 i_time = val.i_time;
1549             }
1550             else
1551             {
1552                 /* Should not fail */
1553                 demux2_Control( p_input->p->input.p_demux,
1554                                 DEMUX_GET_TIME, &i_time );
1555                 i_time += val.i_time;
1556             }
1557             if( i_time < 0 ) i_time = 0;
1558
1559             /* Reset the decoders states and clock sync (before calling the demuxer */
1560             es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1561             input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_TRUE, VLC_FALSE );
1562
1563             i_ret = demux2_Control( p_input->p->input.p_demux,
1564                                     DEMUX_SET_TIME, i_time );
1565             if( i_ret )
1566             {
1567                 int64_t i_length;
1568
1569                 /* Emulate it with a SET_POS */
1570                 demux2_Control( p_input->p->input.p_demux,
1571                                 DEMUX_GET_LENGTH, &i_length );
1572                 if( i_length > 0 )
1573                 {
1574                     double f_pos = (double)i_time / (double)i_length;
1575                     i_ret = demux2_Control( p_input->p->input.p_demux,
1576                                             DEMUX_SET_POSITION, f_pos );
1577                 }
1578             }
1579             if( i_ret )
1580             {
1581                 msg_Warn( p_input, "INPUT_CONTROL_SET_TIME(_OFFSET) "I64Fd
1582                          " failed or not possible", i_time );
1583             }
1584             else
1585             {
1586                 if( p_input->p->i_slave > 0 )
1587                     SlaveSeek( p_input );
1588
1589                 b_force_update = VLC_TRUE;
1590             }
1591             break;
1592         }
1593
1594         case INPUT_CONTROL_SET_STATE:
1595             if( ( val.i_int == PLAYING_S && p_input->i_state == PAUSE_S ) ||
1596                 ( val.i_int == PAUSE_S && p_input->i_state == PAUSE_S ) )
1597             {
1598                 int i_ret;
1599                 if( p_input->p->input.p_access )
1600                     i_ret = access2_Control( p_input->p->input.p_access,
1601                                              ACCESS_SET_PAUSE_STATE, VLC_FALSE );
1602                 else
1603                     i_ret = demux2_Control( p_input->p->input.p_demux,
1604                                             DEMUX_SET_PAUSE_STATE, VLC_FALSE );
1605
1606                 if( i_ret )
1607                 {
1608                     /* FIXME What to do ? */
1609                     msg_Warn( p_input, "cannot unset pause -> EOF" );
1610                     vlc_mutex_unlock( &p_input->p->lock_control );
1611                     input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
1612                     vlc_mutex_lock( &p_input->p->lock_control );
1613                 }
1614
1615                 b_force_update = VLC_TRUE;
1616
1617                 /* Switch to play */
1618                 p_input->i_state = PLAYING_S;
1619                 val.i_int = PLAYING_S;
1620                 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1621
1622                 /* */
1623                 if( !i_ret )
1624                     input_EsOutChangeState( p_input->p->p_es_out );
1625             }
1626             else if( val.i_int == PAUSE_S && p_input->i_state == PLAYING_S &&
1627                      p_input->p->b_can_pause )
1628             {
1629                 int i_ret;
1630                 if( p_input->p->input.p_access )
1631                     i_ret = access2_Control( p_input->p->input.p_access,
1632                                              ACCESS_SET_PAUSE_STATE, VLC_TRUE );
1633                 else
1634                     i_ret = demux2_Control( p_input->p->input.p_demux,
1635                                             DEMUX_SET_PAUSE_STATE, VLC_TRUE );
1636
1637                 b_force_update = VLC_TRUE;
1638
1639                 if( i_ret )
1640                 {
1641                     msg_Warn( p_input, "cannot set pause state" );
1642                     val.i_int = p_input->i_state;
1643                 }
1644                 else
1645                 {
1646                     val.i_int = PAUSE_S;
1647                 }
1648
1649                 /* Switch to new state */
1650                 p_input->i_state = val.i_int;
1651                 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1652
1653                 /* */
1654                 if( !i_ret )
1655                     input_EsOutChangeState( p_input->p->p_es_out );
1656             }
1657             else if( val.i_int == PAUSE_S && !p_input->p->b_can_pause )
1658             {
1659                 b_force_update = VLC_TRUE;
1660
1661                 /* Correct "state" value */
1662                 val.i_int = p_input->i_state;
1663                 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1664             }
1665             else if( val.i_int != PLAYING_S && val.i_int != PAUSE_S )
1666             {
1667                 msg_Err( p_input, "invalid state in INPUT_CONTROL_SET_STATE" );
1668             }
1669             break;
1670
1671         case INPUT_CONTROL_SET_RATE:
1672         case INPUT_CONTROL_SET_RATE_SLOWER:
1673         case INPUT_CONTROL_SET_RATE_FASTER:
1674         {
1675             int i_rate;
1676
1677             if( i_type == INPUT_CONTROL_SET_RATE_SLOWER )
1678                 i_rate = p_input->p->i_rate * 2;
1679             else if( i_type == INPUT_CONTROL_SET_RATE_FASTER )
1680                 i_rate = p_input->p->i_rate / 2;
1681             else
1682                 i_rate = val.i_int;
1683
1684             if( i_rate < INPUT_RATE_MIN )
1685             {
1686                 msg_Dbg( p_input, "cannot set rate faster" );
1687                 i_rate = INPUT_RATE_MIN;
1688             }
1689             else if( i_rate > INPUT_RATE_MAX )
1690             {
1691                 msg_Dbg( p_input, "cannot set rate slower" );
1692                 i_rate = INPUT_RATE_MAX;
1693             }
1694             if( i_rate != INPUT_RATE_DEFAULT &&
1695                 ( !p_input->b_can_pace_control ||
1696                   ( p_input->p->p_sout && !p_input->p->b_out_pace_control ) ) )
1697             {
1698                 msg_Dbg( p_input, "cannot change rate" );
1699                 i_rate = INPUT_RATE_DEFAULT;
1700             }
1701             if( i_rate != p_input->p->i_rate )
1702             {
1703                 val.i_int = i_rate;
1704                 var_Change( p_input, "rate", VLC_VAR_SETVALUE, &val, NULL );
1705
1706                 p_input->p->i_rate  = i_rate;
1707
1708                 input_EsOutChangeRate( p_input->p->p_es_out );
1709
1710                 b_force_update = VLC_TRUE;
1711             }
1712             break;
1713         }
1714
1715         case INPUT_CONTROL_SET_PROGRAM:
1716             /* No need to force update, es_out does it if needed */
1717             es_out_Control( p_input->p->p_es_out,
1718                             ES_OUT_SET_GROUP, val.i_int );
1719
1720             demux2_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, val.i_int,
1721                             NULL );
1722             break;
1723
1724         case INPUT_CONTROL_SET_ES:
1725             /* No need to force update, es_out does it if needed */
1726             es_out_Control( p_input->p->p_es_out, ES_OUT_SET_ES,
1727                             input_EsOutGetFromID( p_input->p->p_es_out,
1728                                                   val.i_int ) );
1729             break;
1730
1731         case INPUT_CONTROL_SET_AUDIO_DELAY:
1732             input_EsOutSetDelay( p_input->p->p_es_out,
1733                                  AUDIO_ES, val.i_time );
1734             var_Change( p_input, "audio-delay", VLC_VAR_SETVALUE, &val, NULL );
1735             break;
1736
1737         case INPUT_CONTROL_SET_SPU_DELAY:
1738             input_EsOutSetDelay( p_input->p->p_es_out,
1739                                  SPU_ES, val.i_time );
1740             var_Change( p_input, "spu-delay", VLC_VAR_SETVALUE, &val, NULL );
1741             break;
1742
1743         case INPUT_CONTROL_SET_TITLE:
1744         case INPUT_CONTROL_SET_TITLE_NEXT:
1745         case INPUT_CONTROL_SET_TITLE_PREV:
1746             if( p_input->p->input.b_title_demux &&
1747                 p_input->p->input.i_title > 0 )
1748             {
1749                 /* TODO */
1750                 /* FIXME handle demux title */
1751                 demux_t *p_demux = p_input->p->input.p_demux;
1752                 int i_title;
1753
1754                 if( i_type == INPUT_CONTROL_SET_TITLE_PREV )
1755                     i_title = p_demux->info.i_title - 1;
1756                 else if( i_type == INPUT_CONTROL_SET_TITLE_NEXT )
1757                     i_title = p_demux->info.i_title + 1;
1758                 else
1759                     i_title = val.i_int;
1760
1761                 if( i_title >= 0 && i_title < p_input->p->input.i_title )
1762                 {
1763                     es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1764                     input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_TRUE, VLC_FALSE );
1765
1766                     demux2_Control( p_demux, DEMUX_SET_TITLE, i_title );
1767                     input_ControlVarTitle( p_input, i_title );
1768                 }
1769             }
1770             else if( p_input->p->input.i_title > 0 )
1771             {
1772                 access_t *p_access = p_input->p->input.p_access;
1773                 int i_title;
1774
1775                 if( i_type == INPUT_CONTROL_SET_TITLE_PREV )
1776                     i_title = p_access->info.i_title - 1;
1777                 else if( i_type == INPUT_CONTROL_SET_TITLE_NEXT )
1778                     i_title = p_access->info.i_title + 1;
1779                 else
1780                     i_title = val.i_int;
1781
1782                 if( i_title >= 0 && i_title < p_input->p->input.i_title )
1783                 {
1784                     es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1785                     input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_TRUE, VLC_FALSE );
1786
1787                     access2_Control( p_access, ACCESS_SET_TITLE, i_title );
1788                     stream_AccessReset( p_input->p->input.p_stream );
1789                 }
1790             }
1791             break;
1792         case INPUT_CONTROL_SET_SEEKPOINT:
1793         case INPUT_CONTROL_SET_SEEKPOINT_NEXT:
1794         case INPUT_CONTROL_SET_SEEKPOINT_PREV:
1795             if( p_input->p->input.b_title_demux &&
1796                 p_input->p->input.i_title > 0 )
1797             {
1798                 demux_t *p_demux = p_input->p->input.p_demux;
1799                 int i_seekpoint;
1800                 int64_t i_input_time;
1801                 int64_t i_seekpoint_time;
1802
1803                 if( i_type == INPUT_CONTROL_SET_SEEKPOINT_PREV )
1804                 {
1805                     i_seekpoint = p_demux->info.i_seekpoint;
1806                     i_seekpoint_time = p_input->p->input.title[p_demux->info.i_title]->seekpoint[i_seekpoint]->i_time_offset;
1807                     if( i_seekpoint_time >= 0 &&
1808                          !demux2_Control( p_demux,
1809                                           DEMUX_GET_TIME, &i_input_time ) )
1810                     {
1811                         if ( i_input_time < i_seekpoint_time + 3000000 )
1812                             i_seekpoint--;
1813                     }
1814                     else
1815                         i_seekpoint--;
1816                 }
1817                 else if( i_type == INPUT_CONTROL_SET_SEEKPOINT_NEXT )
1818                     i_seekpoint = p_demux->info.i_seekpoint + 1;
1819                 else
1820                     i_seekpoint = val.i_int;
1821
1822                 if( i_seekpoint >= 0 && i_seekpoint <
1823                     p_input->p->input.title[p_demux->info.i_title]->i_seekpoint )
1824                 {
1825                     es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1826                     input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_TRUE, VLC_FALSE );
1827
1828                     demux2_Control( p_demux, DEMUX_SET_SEEKPOINT, i_seekpoint );
1829                 }
1830             }
1831             else if( p_input->p->input.i_title > 0 )
1832             {
1833                 demux_t *p_demux = p_input->p->input.p_demux;
1834                 access_t *p_access = p_input->p->input.p_access;
1835                 int i_seekpoint;
1836                 int64_t i_input_time;
1837                 int64_t i_seekpoint_time;
1838
1839                 if( i_type == INPUT_CONTROL_SET_SEEKPOINT_PREV )
1840                 {
1841                     i_seekpoint = p_access->info.i_seekpoint;
1842                     i_seekpoint_time = p_input->p->input.title[p_access->info.i_title]->seekpoint[i_seekpoint]->i_time_offset;
1843                     if( i_seekpoint_time >= 0 &&
1844                         demux2_Control( p_demux,
1845                                         DEMUX_GET_TIME, &i_input_time ) )
1846                     {
1847                         if ( i_input_time < i_seekpoint_time + 3000000 )
1848                             i_seekpoint--;
1849                     }
1850                     else
1851                         i_seekpoint--;
1852                 }
1853                 else if( i_type == INPUT_CONTROL_SET_SEEKPOINT_NEXT )
1854                     i_seekpoint = p_access->info.i_seekpoint + 1;
1855                 else
1856                     i_seekpoint = val.i_int;
1857
1858                 if( i_seekpoint >= 0 && i_seekpoint <
1859                     p_input->p->input.title[p_access->info.i_title]->i_seekpoint )
1860                 {
1861                     es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1862                     input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_TRUE, VLC_FALSE );
1863
1864                     access2_Control( p_access, ACCESS_SET_SEEKPOINT,
1865                                     i_seekpoint );
1866                     stream_AccessReset( p_input->p->input.p_stream );
1867                 }
1868             }
1869             break;
1870
1871         case INPUT_CONTROL_ADD_SLAVE:
1872             if( val.psz_string )
1873             {
1874                 input_source_t *slave = InputSourceNew( p_input );
1875
1876                 if( !InputSourceInit( p_input, slave, val.psz_string, NULL ) )
1877                 {
1878                     vlc_meta_t *p_meta;
1879                     int64_t i_time;
1880
1881                     /* Add the slave */
1882                     msg_Dbg( p_input, "adding %s as slave on the fly",
1883                              val.psz_string );
1884
1885                     /* Set position */
1886                     if( demux2_Control( p_input->p->input.p_demux,
1887                                         DEMUX_GET_TIME, &i_time ) )
1888                     {
1889                         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
1890                         InputSourceClean( slave );
1891                         free( slave );
1892                         break;
1893                     }
1894                     if( demux2_Control( slave->p_demux,
1895                                         DEMUX_SET_TIME, i_time ) )
1896                     {
1897                         msg_Err( p_input, "seek failed for new slave" );
1898                         InputSourceClean( slave );
1899                         free( slave );
1900                         break;
1901                     }
1902
1903                     /* Get meta (access and demux) */
1904                     p_meta = vlc_meta_New();
1905                     access2_Control( slave->p_access, ACCESS_GET_META,
1906                                      p_meta );
1907                     demux2_Control( slave->p_demux, DEMUX_GET_META, p_meta );
1908                     InputUpdateMeta( p_input, p_meta );
1909
1910                     TAB_APPEND( p_input->p->i_slave, p_input->p->slave, slave );
1911                 }
1912                 else
1913                 {
1914                     free( slave );
1915                     msg_Warn( p_input, "failed to add %s as slave",
1916                               val.psz_string );
1917                 }
1918
1919                 free( val.psz_string );
1920             }
1921             break;
1922
1923         case INPUT_CONTROL_SET_BOOKMARK:
1924         default:
1925             msg_Err( p_input, "not yet implemented" );
1926             break;
1927     }
1928
1929     return b_force_update;
1930 }
1931
1932 /*****************************************************************************
1933  * UpdateFromDemux:
1934  *****************************************************************************/
1935 static int UpdateFromDemux( input_thread_t *p_input )
1936 {
1937     demux_t *p_demux = p_input->p->input.p_demux;
1938     vlc_value_t v;
1939
1940     if( p_demux->info.i_update & INPUT_UPDATE_TITLE )
1941     {
1942         v.i_int = p_demux->info.i_title;
1943         var_Change( p_input, "title", VLC_VAR_SETVALUE, &v, NULL );
1944
1945         input_ControlVarTitle( p_input, p_demux->info.i_title );
1946
1947         p_demux->info.i_update &= ~INPUT_UPDATE_TITLE;
1948     }
1949     if( p_demux->info.i_update & INPUT_UPDATE_SEEKPOINT )
1950     {
1951         v.i_int = p_demux->info.i_seekpoint;
1952         var_Change( p_input, "chapter", VLC_VAR_SETVALUE, &v, NULL);
1953
1954         p_demux->info.i_update &= ~INPUT_UPDATE_SEEKPOINT;
1955     }
1956     p_demux->info.i_update &= ~INPUT_UPDATE_SIZE;
1957
1958     /* Hmmm only works with master input */
1959     if( p_input->p->input.p_demux == p_demux )
1960     {
1961         int i_title_end = p_input->p->input.i_title_end -
1962             p_input->p->input.i_title_offset;
1963         int i_seekpoint_end = p_input->p->input.i_seekpoint_end -
1964             p_input->p->input.i_seekpoint_offset;
1965
1966         if( i_title_end >= 0 && i_seekpoint_end >= 0 )
1967         {
1968             if( p_demux->info.i_title > i_title_end ||
1969                 ( p_demux->info.i_title == i_title_end &&
1970                   p_demux->info.i_seekpoint > i_seekpoint_end ) ) return 0;
1971         }
1972         else if( i_seekpoint_end >=0 )
1973         {
1974             if( p_demux->info.i_seekpoint > i_seekpoint_end ) return 0;
1975         }
1976         else if( i_title_end >= 0 )
1977         {
1978             if( p_demux->info.i_title > i_title_end ) return 0;
1979         }
1980     }
1981
1982     return 1;
1983 }
1984
1985 /*****************************************************************************
1986  * UpdateFromAccess:
1987  *****************************************************************************/
1988 static int UpdateFromAccess( input_thread_t *p_input )
1989 {
1990     access_t *p_access = p_input->p->input.p_access;
1991     vlc_value_t v;
1992
1993     if( p_access->info.i_update & INPUT_UPDATE_TITLE )
1994     {
1995         v.i_int = p_access->info.i_title;
1996         var_Change( p_input, "title", VLC_VAR_SETVALUE, &v, NULL );
1997
1998         input_ControlVarTitle( p_input, p_access->info.i_title );
1999
2000         stream_AccessUpdate( p_input->p->input.p_stream );
2001
2002         p_access->info.i_update &= ~INPUT_UPDATE_TITLE;
2003     }
2004     if( p_access->info.i_update & INPUT_UPDATE_SEEKPOINT )
2005     {
2006         v.i_int = p_access->info.i_seekpoint;
2007         var_Change( p_input, "chapter", VLC_VAR_SETVALUE, &v, NULL);
2008         p_access->info.i_update &= ~INPUT_UPDATE_SEEKPOINT;
2009     }
2010     if( p_access->info.i_update & INPUT_UPDATE_META )
2011     {
2012         /* TODO maybe multi - access ? */
2013         vlc_meta_t *p_meta = vlc_meta_New();
2014         access2_Control( p_input->p->input.p_access,ACCESS_GET_META, p_meta );
2015         InputUpdateMeta( p_input, p_meta );
2016         var_SetBool( p_input, "item-change", p_input->p->input.p_item->i_id );
2017         p_access->info.i_update &= ~INPUT_UPDATE_META;
2018     }
2019
2020     p_access->info.i_update &= ~INPUT_UPDATE_SIZE;
2021
2022     /* Hmmm only works with master input */
2023     if( p_input->p->input.p_access == p_access )
2024     {
2025         int i_title_end = p_input->p->input.i_title_end -
2026             p_input->p->input.i_title_offset;
2027         int i_seekpoint_end = p_input->p->input.i_seekpoint_end -
2028             p_input->p->input.i_seekpoint_offset;
2029
2030         if( i_title_end >= 0 && i_seekpoint_end >=0 )
2031         {
2032             if( p_access->info.i_title > i_title_end ||
2033                 ( p_access->info.i_title == i_title_end &&
2034                   p_access->info.i_seekpoint > i_seekpoint_end ) ) return 0;
2035         }
2036         else if( i_seekpoint_end >=0 )
2037         {
2038             if( p_access->info.i_seekpoint > i_seekpoint_end ) return 0;
2039         }
2040         else if( i_title_end >= 0 )
2041         {
2042             if( p_access->info.i_title > i_title_end ) return 0;
2043         }
2044     }
2045
2046     return 1;
2047 }
2048
2049 /*****************************************************************************
2050  * UpdateItemLength:
2051  *****************************************************************************/
2052 static void UpdateItemLength( input_thread_t *p_input, int64_t i_length )
2053 {
2054     input_item_SetDuration( p_input->p->input.p_item, (mtime_t) i_length );
2055
2056     if( !p_input->b_preparsing )
2057     {
2058         pl_Yield( p_input );
2059         var_SetInteger( pl_Get( p_input ), "item-change",
2060                         p_input->p->input.p_item->i_id );
2061         pl_Release( p_input )
2062     }
2063 }
2064
2065 /*****************************************************************************
2066  * InputSourceNew:
2067  *****************************************************************************/
2068 static input_source_t *InputSourceNew( input_thread_t *p_input )
2069 {
2070     input_source_t *in = (input_source_t*) malloc( sizeof( input_source_t ) );
2071
2072     if( !in )
2073     {
2074         msg_Err( p_input, "out of memory for new input source" );
2075         return NULL;
2076     }
2077
2078     in->p_item   = NULL;
2079     in->p_access = NULL;
2080     in->p_stream = NULL;
2081     in->p_demux  = NULL;
2082     in->b_title_demux = VLC_FALSE;
2083     TAB_INIT( in->i_title, in->title );
2084     in->b_can_pace_control = VLC_TRUE;
2085     in->b_eof = VLC_FALSE;
2086     in->f_fps = 0.0;
2087     in->i_cr_average = 0;
2088
2089     return in;
2090 }
2091
2092 /*****************************************************************************
2093  * InputSourceInit:
2094  *****************************************************************************/
2095 static int InputSourceInit( input_thread_t *p_input,
2096                             input_source_t *in, const char *psz_mrl,
2097                             const char *psz_forced_demux )
2098 {
2099     char psz_dup[strlen (psz_mrl) + 1];
2100     const char *psz_access;
2101     const char *psz_demux;
2102     char *psz_path;
2103     char *psz_tmp;
2104     char *psz;
2105     vlc_value_t val;
2106     double f_fps;
2107
2108     strcpy( psz_dup, psz_mrl );
2109
2110     if( !in ) return VLC_EGENERIC;
2111     if( !p_input ) return VLC_EGENERIC;
2112
2113     /* Split uri */
2114     if( !p_input->b_preparsing )
2115     {
2116         MRLSplit( VLC_OBJECT(p_input), psz_dup,
2117                   &psz_access, &psz_demux, &psz_path );
2118
2119         msg_Dbg( p_input, "`%s' gives access `%s' demux `%s' path `%s'",
2120                  psz_mrl, psz_access, psz_demux, psz_path );
2121
2122         /* Hack to allow udp://@:port syntax */
2123         if( !psz_access ||
2124             (strncmp( psz_access, "udp", 3 ) &&
2125              strncmp( psz_access, "rtp", 3 )) )
2126
2127         /* Find optional titles and seekpoints */
2128         MRLSections( p_input, psz_path, &in->i_title_start, &in->i_title_end,
2129                      &in->i_seekpoint_start, &in->i_seekpoint_end );
2130
2131         if( psz_forced_demux && *psz_forced_demux )
2132         {
2133             psz_demux = psz_forced_demux;
2134         }
2135         else if( !psz_demux || *psz_demux == '\0' )
2136         {
2137             /* special hack for forcing a demuxer with --demux=module
2138              * (and do nothing with a list) */
2139             char *psz_var_demux = var_GetNonEmptyString( p_input, "demux" );
2140
2141             if( psz_var_demux != NULL &&
2142                 !strchr(psz_var_demux, ',' ) &&
2143                 !strchr(psz_var_demux, ':' ) )
2144             {
2145                 psz_demux = psz_var_demux;
2146
2147                 msg_Dbg( p_input, "enforced demux ` %s'", psz_demux );
2148             }
2149         }
2150
2151         /* Try access_demux if no demux given */
2152         if( *psz_demux == '\0' )
2153         {
2154             in->p_demux = demux2_New( p_input, psz_access, psz_demux, psz_path,
2155                                       NULL, p_input->p->p_es_out, VLC_FALSE );
2156         }
2157     }
2158     else
2159     {
2160         psz_path = psz_dup;
2161         if( !strncmp( psz_path, "file://", 7 ) )
2162             psz_path += 7;
2163         msg_Dbg( p_input, "trying to pre-parse %s",  psz_path );
2164         psz_demux = "";
2165         psz_access = "file";
2166     }
2167
2168     if( in->p_demux )
2169     {
2170         int64_t i_pts_delay;
2171
2172         /* Get infos from access_demux */
2173         demux2_Control( in->p_demux,
2174                         DEMUX_GET_PTS_DELAY, &i_pts_delay );
2175         p_input->i_pts_delay = __MAX( p_input->i_pts_delay, i_pts_delay );
2176
2177         in->b_title_demux = VLC_TRUE;
2178         if( demux2_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
2179                             &in->title, &in->i_title,
2180                             &in->i_title_offset, &in->i_seekpoint_offset ) )
2181         {
2182             in->i_title = 0;
2183             in->title   = NULL;
2184         }
2185         demux2_Control( in->p_demux, DEMUX_CAN_CONTROL_PACE,
2186                         &in->b_can_pace_control );
2187         demux2_Control( in->p_demux, DEMUX_CAN_PAUSE,
2188                         &in->b_can_pause );
2189
2190         /* FIXME todo
2191         demux2_Control( in->p_demux, DEMUX_CAN_SEEK,
2192                         &val.b_bool );
2193         */
2194     }
2195     else
2196     {
2197         int64_t i_pts_delay;
2198
2199         input_ChangeState( p_input, OPENING_S );
2200
2201         /* Now try a real access */
2202         in->p_access = access2_New( p_input, psz_access, psz_demux, psz_path,
2203                                     p_input->b_preparsing );
2204
2205         /* Access failed, URL encoded ? */
2206         if( in->p_access == NULL && strchr( psz_path, '%' ) )
2207         {
2208             decode_URI( psz_path );
2209
2210             msg_Dbg( p_input, "retrying with access `%s' demux `%s' path `%s'",
2211                      psz_access, psz_demux, psz_path );
2212
2213             in->p_access = access2_New( p_input,
2214                                         psz_access, psz_demux, psz_path,
2215                                         p_input->b_preparsing );
2216         }
2217         /* access failed, maybe our access detection was wrong.
2218          * Retry with the full name */
2219         if( in->p_access == NULL && strchr( psz_mrl, ':' ) )
2220         {
2221             msg_Dbg( p_input, "retrying with access `' demux `' path `%s'",
2222                      psz_mrl );
2223              in->p_access = access2_New( p_input,
2224                                          "", "", psz_mrl,
2225                                          p_input->b_preparsing );
2226         }
2227         if( in->p_access == NULL )
2228         {
2229             msg_Err( p_input, "open of `%s' failed: %s", psz_mrl,
2230                                                          msg_StackMsg() );
2231             intf_UserFatal( VLC_OBJECT( p_input), VLC_FALSE,
2232                             _("Your input can't be opened"),
2233                             _("VLC is unable to open the MRL '%s'."
2234                             " Check the log for details."), psz_mrl );
2235             goto error;
2236         }
2237
2238         /* */
2239         psz_tmp = psz = var_GetNonEmptyString( p_input, "access-filter" );
2240         while( psz && *psz )
2241         {
2242             access_t *p_access = in->p_access;
2243             char *end = strchr( psz, ':' );
2244
2245             if( end )
2246                 *end++ = '\0';
2247
2248             in->p_access = access2_FilterNew( in->p_access, psz );
2249             if( in->p_access == NULL )
2250             {
2251                 in->p_access = p_access;
2252                 msg_Warn( p_input, "failed to insert access filter %s",
2253                           psz );
2254             }
2255
2256             psz = end;
2257         }
2258         free( psz_tmp );
2259
2260         /* Get infos from access */
2261         if( !p_input->b_preparsing )
2262         {
2263             access2_Control( in->p_access,
2264                              ACCESS_GET_PTS_DELAY, &i_pts_delay );
2265             p_input->i_pts_delay = __MAX( p_input->i_pts_delay, i_pts_delay );
2266
2267             in->b_title_demux = VLC_FALSE;
2268             if( access2_Control( in->p_access, ACCESS_GET_TITLE_INFO,
2269                                  &in->title, &in->i_title,
2270                                 &in->i_title_offset, &in->i_seekpoint_offset ) )
2271
2272             {
2273                 in->i_title = 0;
2274                 in->title   = NULL;
2275             }
2276             access2_Control( in->p_access, ACCESS_CAN_CONTROL_PACE,
2277                              &in->b_can_pace_control );
2278             access2_Control( in->p_access, ACCESS_CAN_PAUSE,
2279                              &in->b_can_pause );
2280             access2_Control( in->p_access, ACCESS_CAN_SEEK,
2281                              &val.b_bool );
2282             var_Set( p_input, "seekable", val );
2283         }
2284
2285         input_ChangeState( p_input, BUFFERING_S );
2286
2287         /* Create the stream_t */
2288         in->p_stream = stream_AccessNew( in->p_access, p_input->b_preparsing );
2289         if( in->p_stream == NULL )
2290         {
2291             msg_Warn( p_input, "cannot create a stream_t from access" );
2292             goto error;
2293         }
2294
2295         /* Open a demuxer */
2296         if( *psz_demux == '\0' && *in->p_access->psz_demux )
2297         {
2298             psz_demux = in->p_access->psz_demux;
2299         }
2300
2301         {
2302             /* Take access redirections into account */
2303             char *psz_real_path;
2304             char *psz_buf = NULL;
2305             if( in->p_access->psz_path )
2306             {
2307                 const char *psz_a, *psz_d;
2308                 psz_buf = strdup( in->p_access->psz_path );
2309                 MRLSplit( VLC_OBJECT(p_input), psz_buf,
2310                           &psz_a, &psz_d, &psz_real_path );
2311             }
2312             else
2313             {
2314                 psz_real_path = psz_path;
2315             }
2316             in->p_demux = demux2_New( p_input, psz_access, psz_demux,
2317                                       psz_real_path,
2318                                       in->p_stream, p_input->p->p_es_out,
2319                                       p_input->b_preparsing );
2320             free( psz_buf );
2321         }
2322
2323         if( in->p_demux == NULL )
2324         {
2325             msg_Err( p_input, "no suitable demux module for `%s/%s://%s'",
2326                      psz_access, psz_demux, psz_path );
2327             intf_UserFatal( VLC_OBJECT( p_input ), VLC_FALSE,
2328                             _("Can't recognize the input's format"),
2329                             _("The format of '%s' can't be detected. "
2330                             "Have a look the log for details."), psz_mrl );
2331             goto error;
2332         }
2333
2334         /* Get title from demux */
2335         if( !p_input->b_preparsing && in->i_title <= 0 )
2336         {
2337             if( demux2_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
2338                                 &in->title, &in->i_title,
2339                                 &in->i_title_offset, &in->i_seekpoint_offset ))
2340             {
2341                 TAB_INIT( in->i_title, in->title );
2342             }
2343             else
2344             {
2345                 in->b_title_demux = VLC_TRUE;
2346             }
2347         }
2348     }
2349
2350     /* get attachment
2351      * FIXME improve for b_preparsing: move it after GET_META and check psz_arturl */
2352     if( 1 || !p_input->b_preparsing )
2353     {
2354         int i_attachment;
2355         input_attachment_t **attachment;
2356         if( !demux2_Control( in->p_demux, DEMUX_GET_ATTACHMENTS,
2357                              &attachment, &i_attachment ) )
2358         {
2359             int i;
2360             vlc_mutex_lock( &p_input->p->input.p_item->lock );
2361             p_input->p->attachment = realloc( p_input->p->attachment,
2362                     sizeof(input_attachment_t**) * ( p_input->p->i_attachment + i_attachment ) );
2363             for( i = 0; i < i_attachment; i++ )
2364                 p_input->p->attachment[p_input->p->i_attachment++] = attachment[i];
2365             if( attachment )
2366                 free( attachment );
2367             vlc_mutex_unlock( &p_input->p->input.p_item->lock );
2368         }
2369     }
2370     if( !demux2_Control( in->p_demux, DEMUX_GET_FPS, &f_fps ) )
2371     {
2372         vlc_mutex_lock( &p_input->p->input.p_item->lock );
2373         in->f_fps = f_fps;
2374         vlc_mutex_unlock( &p_input->p->input.p_item->lock );
2375     }
2376
2377     if( var_GetInteger( p_input, "clock-synchro" ) != -1 )
2378         in->b_can_pace_control = !var_GetInteger( p_input, "clock-synchro" );
2379
2380     return VLC_SUCCESS;
2381
2382 error:
2383     input_ChangeState( p_input, ERROR_S );
2384
2385     if( in->p_demux )
2386         demux2_Delete( in->p_demux );
2387
2388     if( in->p_stream )
2389         stream_Delete( in->p_stream );
2390
2391     if( in->p_access )
2392         access2_Delete( in->p_access );
2393
2394     return VLC_EGENERIC;
2395 }
2396
2397 /*****************************************************************************
2398  * InputSourceClean:
2399  *****************************************************************************/
2400 static void InputSourceClean( input_source_t *in )
2401 {
2402     int i;
2403
2404     if( in->p_demux )
2405         demux2_Delete( in->p_demux );
2406
2407     if( in->p_stream )
2408         stream_Delete( in->p_stream );
2409
2410     if( in->p_access )
2411         access2_Delete( in->p_access );
2412
2413     if( in->i_title > 0 )
2414     {
2415         for( i = 0; i < in->i_title; i++ )
2416             vlc_input_title_Delete( in->title[i] );
2417         TAB_CLEAN( in->i_title, in->title );
2418     }
2419 }
2420
2421 static void SlaveDemux( input_thread_t *p_input )
2422 {
2423     int64_t i_time;
2424     int i;
2425
2426     if( demux2_Control( p_input->p->input.p_demux, DEMUX_GET_TIME, &i_time ) )
2427     {
2428         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
2429         return;
2430     }
2431
2432     for( i = 0; i < p_input->p->i_slave; i++ )
2433     {
2434         input_source_t *in = p_input->p->slave[i];
2435         int i_ret = 1;
2436
2437         if( in->b_eof )
2438             continue;
2439
2440         if( demux2_Control( in->p_demux, DEMUX_SET_NEXT_DEMUX_TIME, i_time ) )
2441         {
2442             for( ;; )
2443             {
2444                 int64_t i_stime;
2445                 if( demux2_Control( in->p_demux, DEMUX_GET_TIME, &i_stime ) )
2446                 {
2447                     msg_Err( p_input, "slave[%d] doesn't like "
2448                              "DEMUX_GET_TIME -> EOF", i );
2449                     i_ret = 0;
2450                     break;
2451                 }
2452
2453                 if( i_stime >= i_time )
2454                     break;
2455
2456                 if( ( i_ret = in->p_demux->pf_demux( in->p_demux ) ) <= 0 )
2457                     break;
2458             }
2459         }
2460         else
2461         {
2462             i_ret = in->p_demux->pf_demux( in->p_demux );
2463         }
2464
2465         if( i_ret <= 0 )
2466         {
2467             msg_Dbg( p_input, "slave %d EOF", i );
2468             in->b_eof = VLC_TRUE;
2469         }
2470     }
2471 }
2472
2473 static void SlaveSeek( input_thread_t *p_input )
2474 {
2475     int64_t i_time;
2476     int i;
2477
2478     if( !p_input ) return;
2479
2480     if( demux2_Control( p_input->p->input.p_demux, DEMUX_GET_TIME, &i_time ) )
2481     {
2482         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
2483         return;
2484     }
2485
2486     for( i = 0; i < p_input->p->i_slave; i++ )
2487     {
2488         input_source_t *in = p_input->p->slave[i];
2489
2490         if( demux2_Control( in->p_demux, DEMUX_SET_TIME, i_time ) )
2491         {
2492             msg_Err( p_input, "seek failed for slave %d -> EOF", i );
2493             in->b_eof = VLC_TRUE;
2494         }
2495     }
2496 }
2497
2498 /*****************************************************************************
2499  * InputMetaUser:
2500  *****************************************************************************/
2501 static void InputMetaUser( input_thread_t *p_input, vlc_meta_t *p_meta )
2502 {
2503     vlc_value_t val;
2504
2505     if( !p_meta ) return;
2506
2507     /* Get meta information from user */
2508 #define GET_META( field, s ) \
2509     var_Get( p_input, (s), &val );  \
2510     if( *val.psz_string ) \
2511         vlc_meta_Set( p_meta, vlc_meta_ ## field, val.psz_string ); \
2512     free( val.psz_string )
2513
2514     GET_META( Title, "meta-title" );
2515     GET_META( Artist, "meta-artist" );
2516     GET_META( Genre, "meta-genre" );
2517     GET_META( Copyright, "meta-copyright" );
2518     GET_META( Description, "meta-description" );
2519     GET_META( Date, "meta-date" );
2520     GET_META( URL, "meta-url" );
2521 #undef GET_META
2522 }
2523
2524 /*****************************************************************************
2525  * InputUpdateMeta: merge p_item meta data with p_meta taking care of
2526  * arturl and locking issue.
2527  *****************************************************************************/
2528 static void InputUpdateMeta( input_thread_t *p_input, vlc_meta_t *p_meta )
2529 {
2530     input_item_t *p_item = p_input->p->input.p_item;
2531     char * psz_arturl = NULL;
2532     char *psz_title = NULL;
2533     int i;
2534     int i_arturl_event = VLC_FALSE;
2535
2536     if( !p_meta )
2537         return;
2538
2539     psz_arturl = input_item_GetArtURL( p_item );
2540
2541     vlc_mutex_lock( &p_item->lock );
2542     if( vlc_meta_Get( p_meta, vlc_meta_Title ) && !p_item->b_fixed_name )
2543         psz_title = strdup( vlc_meta_Get( p_meta, vlc_meta_Title ) );
2544
2545     vlc_meta_Merge( p_item->p_meta, p_meta );
2546
2547     if( psz_arturl && *psz_arturl )
2548     {
2549         vlc_meta_Set( p_item->p_meta, vlc_meta_ArtworkURL, psz_arturl );
2550         i_arturl_event = VLC_TRUE;
2551     }
2552
2553     vlc_meta_Delete( p_meta );
2554
2555     if( psz_arturl && !strncmp( psz_arturl, "attachment://", strlen("attachment") ) )
2556     {
2557         /* Don't look for art cover if sout
2558          * XXX It can change when sout has meta data support */
2559         if( p_input->p->p_sout && !p_input->b_preparsing )
2560         {
2561             vlc_meta_Set( p_item->p_meta, vlc_meta_ArtworkURL, "" );
2562             i_arturl_event = VLC_TRUE;
2563
2564         }
2565         else
2566             input_ExtractAttachmentAndCacheArt( p_input );
2567     }
2568     free( psz_arturl );
2569
2570     input_item_SetPreparsed( p_item, VLC_TRUE );
2571
2572     /* A bit ugly */
2573     p_meta = NULL;
2574     if( vlc_dictionary_keys_count( &p_item->p_meta->extra_tags ) > 0 )
2575     {
2576         p_meta = vlc_meta_New();
2577         vlc_meta_Merge( p_meta, input_item_GetMetaObject( p_item ) );
2578     }
2579     vlc_mutex_unlock( &p_item->lock );
2580
2581     if( i_arturl_event == VLC_TRUE )
2582     {
2583         vlc_event_t event;
2584
2585         /* Notify interested third parties */
2586         event.type = vlc_InputItemMetaChanged;
2587         event.u.input_item_meta_changed.meta_type = vlc_meta_ArtworkURL;
2588         vlc_event_send( &p_item->event_manager, &event );
2589     }
2590
2591     if( psz_title )
2592     {
2593         input_Control( p_input, INPUT_SET_NAME, psz_title );
2594         free( psz_title );
2595     }
2596
2597     if( p_meta )
2598     {
2599         char ** ppsz_all_keys = vlc_dictionary_all_keys( &p_meta->extra_tags );
2600         for( i = 0; ppsz_all_keys[i]; i++ )
2601         {
2602             input_Control( p_input, INPUT_ADD_INFO, _(VLC_META_INFO_CAT), _(ppsz_all_keys[i]),
2603                     vlc_dictionary_value_for_key( &p_meta->extra_tags, ppsz_all_keys[i] ) );
2604             free( ppsz_all_keys[i] );
2605         }
2606         free( ppsz_all_keys );
2607         vlc_meta_Delete( p_meta );
2608     }
2609
2610     /** \todo handle sout meta */
2611 }
2612
2613
2614 static inline vlc_bool_t IsValidAccess( const char *psz )
2615 {
2616     char c;
2617
2618     while( ( c = *psz ) != '\0' )
2619     {
2620         if( c == ':' )
2621             return VLC_TRUE;
2622
2623         if( ( !isascii( c ) || !isalnum( c ) ) && c != '-' && ( c != '/' ) )
2624             return VLC_FALSE;
2625         psz++;
2626     }
2627     /* should not happen though */
2628     return VLC_FALSE;
2629 }
2630
2631
2632 /*****************************************************************************
2633  * MRLSplit: parse the access, demux and url part of the
2634  *           Media Resource Locator.
2635  *****************************************************************************/
2636 void MRLSplit( vlc_object_t *p_input, char *psz_dup,
2637                const char **ppsz_access, const char **ppsz_demux,
2638                char **ppsz_path )
2639 {
2640     const char *psz_access = "";
2641     const char *psz_demux  = "";
2642     char *psz_path;
2643     char *psz;
2644
2645     psz = strchr( psz_dup, ':' );
2646
2647     if( psz != NULL )
2648     {
2649         /* Guess whether ':' is part of a local filename, or separates
2650          * access/demux from path */
2651         if( !IsValidAccess( psz_dup ) )
2652             psz = NULL;
2653 #if defined( WIN32 ) || defined( UNDER_CE )
2654         else if( ( psz - psz_dup == 1 ) && isalpha( psz_dup[0] ) )
2655         {
2656             msg_Dbg( p_input, "drive letter %c: found in source", *psz_dup );
2657             psz = NULL;
2658         }
2659 #endif
2660     }
2661
2662     if( psz != NULL )
2663     {
2664         *psz++ = '\0';
2665         if( psz[0] == '/' && psz[1] == '/' ) psz += 2;
2666
2667         psz_path = psz;
2668
2669         psz = strchr( psz_dup, '/' );
2670         if( psz )
2671         {
2672             *psz++ = '\0';
2673             psz_demux = psz;
2674         }
2675
2676         psz_access = psz_dup;
2677     }
2678     else
2679     {
2680         psz_path = psz_dup;
2681     }
2682
2683     *ppsz_access = psz_access;
2684     *ppsz_demux = psz_demux;
2685     *ppsz_path = psz_path;
2686 }
2687
2688 /*****************************************************************************
2689  * MRLSections: parse title and seekpoint info from the Media Resource Locator.
2690  *
2691  * Syntax:
2692  * [url][@[title-start][:chapter-start][-[title-end][:chapter-end]]]
2693  *****************************************************************************/
2694 static void MRLSections( input_thread_t *p_input, char *psz_source,
2695                          int *pi_title_start, int *pi_title_end,
2696                          int *pi_chapter_start, int *pi_chapter_end )
2697 {
2698     char *psz, *psz_end, *psz_next, *psz_check;
2699
2700     *pi_title_start = *pi_title_end = -1;
2701     *pi_chapter_start = *pi_chapter_end = -1;
2702
2703     /* Start by parsing titles and chapters */
2704     if( !psz_source || !( psz = strrchr( psz_source, '@' ) ) ) return;
2705
2706     /* Check we are really dealing with a title/chapter section */
2707     psz_check = psz + 1;
2708     if( !*psz_check ) return;
2709     if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2710     if( *psz_check != ':' && *psz_check != '-' && *psz_check ) return;
2711     if( *psz_check == ':' && ++psz_check )
2712         if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2713     if( *psz_check != '-' && *psz_check ) return;
2714     if( *psz_check == '-' && ++psz_check )
2715         if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2716     if( *psz_check != ':' && *psz_check ) return;
2717     if( *psz_check == ':' && ++psz_check )
2718         if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2719     if( *psz_check ) return;
2720
2721     /* Separate start and end */
2722     *psz++ = 0;
2723     if( ( psz_end = strchr( psz, '-' ) ) ) *psz_end++ = 0;
2724
2725     /* Look for the start title */
2726     *pi_title_start = strtol( psz, &psz_next, 0 );
2727     if( !*pi_title_start && psz == psz_next ) *pi_title_start = -1;
2728     *pi_title_end = *pi_title_start;
2729     psz = psz_next;
2730
2731     /* Look for the start chapter */
2732     if( *psz ) psz++;
2733     *pi_chapter_start = strtol( psz, &psz_next, 0 );
2734     if( !*pi_chapter_start && psz == psz_next ) *pi_chapter_start = -1;
2735     *pi_chapter_end = *pi_chapter_start;
2736
2737     if( psz_end )
2738     {
2739         /* Look for the end title */
2740         *pi_title_end = strtol( psz_end, &psz_next, 0 );
2741         if( !*pi_title_end && psz_end == psz_next ) *pi_title_end = -1;
2742         psz_end = psz_next;
2743
2744         /* Look for the end chapter */
2745         if( *psz_end ) psz_end++;
2746         *pi_chapter_end = strtol( psz_end, &psz_next, 0 );
2747         if( !*pi_chapter_end && psz_end == psz_next ) *pi_chapter_end = -1;
2748     }
2749
2750     msg_Dbg( p_input, "source=`%s' title=%d/%d seekpoint=%d/%d",
2751              psz_source, *pi_title_start, *pi_chapter_start,
2752              *pi_title_end, *pi_chapter_end );
2753 }
2754
2755 /*****************************************************************************
2756  * input_AddSubtitles: add a subtitles file and enable it
2757  *****************************************************************************/
2758 vlc_bool_t input_AddSubtitles( input_thread_t *p_input, char *psz_subtitle,
2759                                vlc_bool_t b_check_extension )
2760 {
2761     input_source_t *sub;
2762     vlc_value_t count;
2763     vlc_value_t list;
2764     char *psz_path, *psz_extension;
2765
2766     if( b_check_extension && !subtitles_Filter( psz_subtitle ) )
2767     {
2768         return VLC_FALSE;
2769     }
2770
2771     /* if we are provided a subtitle.sub file,
2772      * see if we don't have a subtitle.idx and use it instead */
2773     psz_path = strdup( psz_subtitle );
2774     if( psz_path )
2775     {
2776         psz_extension = strrchr( psz_path, '.');
2777         if( psz_extension && strcmp( psz_extension, ".sub" ) == 0 )
2778         {
2779             FILE *f;
2780
2781             strcpy( psz_extension, ".idx" );
2782             /* FIXME: a portable wrapper for stat() or access() would be more suited */
2783             if( ( f = utf8_fopen( psz_path, "rt" ) ) )
2784             {
2785                 fclose( f );
2786                 msg_Dbg( p_input, "using %s subtitles file instead of %s",
2787                          psz_path, psz_subtitle );
2788                 strcpy( psz_subtitle, psz_path );
2789             }
2790         }
2791         free( psz_path );
2792     }
2793
2794     var_Change( p_input, "spu-es", VLC_VAR_CHOICESCOUNT, &count, NULL );
2795
2796     sub = InputSourceNew( p_input );
2797     if( !InputSourceInit( p_input, sub, psz_subtitle, "subtitle" ) )
2798     {
2799         TAB_APPEND( p_input->p->i_slave, p_input->p->slave, sub );
2800
2801         /* Select the ES */
2802         if( !var_Change( p_input, "spu-es", VLC_VAR_GETLIST, &list, NULL ) )
2803         {
2804             if( count.i_int == 0 )
2805                 count.i_int++;
2806             /* if it was first one, there is disable too */
2807
2808             if( count.i_int < list.p_list->i_count )
2809             {
2810                 input_ControlPush( p_input, INPUT_CONTROL_SET_ES,
2811                                    &list.p_list->p_values[count.i_int] );
2812             }
2813             var_Change( p_input, "spu-es", VLC_VAR_FREELIST, &list, NULL );
2814         }
2815     }
2816     else free( sub );
2817
2818     return VLC_TRUE;
2819 }