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 #ifdef HAVE_CONFIG_H
  29 # include "config.h"
  30 #endif
  31
  32 #include <vlc/vlc.h>
  33
  34 #include <ctype.h>
  35 #include <limits.h>
  36 #include <assert.h>
  37
  38 #include "input_internal.h"
  39
  40 #include <vlc_sout.h>
  41 #include "../stream_output/stream_output.h"
  42
  43 #include <vlc_interface.h>
  44 #include <vlc_url.h>
  45 #include <vlc_charset.h>
  46 #include <vlc_playlist.h>
  47
  48 #ifdef HAVE_SYS_STAT_H
  49 #   include <sys/stat.h>
  50 #endif
  51
  52 /*****************************************************************************
  53  * Local prototypes
  54  *****************************************************************************/
  55 static void Destructor( input_thread_t * p_input );
  56
  57 static  int Run  ( input_thread_t *p_input );
  58 static  int RunAndDestroy  ( input_thread_t *p_input );
  59
  60 static input_thread_t * Create  ( vlc_object_t *, input_item_t *,
  61                                   const char *, bool, sout_instance_t * );
  62 static  int             Init    ( input_thread_t *p_input );
  63 static void             Error   ( input_thread_t *p_input );
  64 static void             End     ( input_thread_t *p_input );
  65 static void             MainLoop( input_thread_t *p_input );
  66
  67 static inline int ControlPopNoLock( input_thread_t *, int *, vlc_value_t * );
  68 static void       ControlReduce( input_thread_t * );
  69 static bool Control( input_thread_t *, int, vlc_value_t );
  70
  71 static int  UpdateFromAccess( input_thread_t * );
  72 static int  UpdateFromDemux( input_thread_t * );
  73
  74 static void UpdateItemLength( input_thread_t *, int64_t i_length );
  75
  76 static void MRLSections( input_thread_t *, char *, int *, int *, int *, int *);
  77
  78 static input_source_t *InputSourceNew( input_thread_t *);
  79 static int  InputSourceInit( input_thread_t *, input_source_t *,
  80                              const char *, const char *psz_forced_demux );
  81 static void InputSourceClean( input_source_t * );
  82 /* TODO */
  83 //static void InputGetAttachments( input_thread_t *, input_source_t * );
  84 static void SlaveDemux( input_thread_t *p_input );
  85 static void SlaveSeek( input_thread_t *p_input );
  86
  87 static void InputMetaUser( input_thread_t *p_input, vlc_meta_t *p_meta );
  88 static void InputUpdateMeta( input_thread_t *p_input, vlc_meta_t *p_meta );
  89
  90 static sout_instance_t *SoutFind( vlc_object_t *p_parent, input_item_t *p_item, bool * );
  91 static void SoutKeep( sout_instance_t * );
  92
  93 static void DemuxMeta( input_thread_t *p_input, vlc_meta_t *p_meta, demux_t *p_demux );
  94 static void AccessMeta( input_thread_t * p_input, vlc_meta_t *p_meta );
  95 static void AppendAttachment( int *pi_attachment, input_attachment_t ***ppp_attachment,
  96                               int i_new, input_attachment_t **pp_new );
  97
  98 /*****************************************************************************
  99  * This function creates a new input, and returns a pointer
 100  * to its description. On error, it returns NULL.
 101  *
 102  * Variables for _public_ use:
 103  * * Get and Set:
 104  *  - state
 105  *  - rate,rate-slower, rate-faster
 106  *  - position, position-offset
 107  *  - time, time-offset
 108  *  - title,title-next,title-prev
 109  *  - chapter,chapter-next, chapter-prev
 110  *  - program, audio-es, video-es, spu-es
 111  *  - audio-delay, spu-delay
 112  *  - bookmark
 113  * * Get only:
 114  *  - length
 115  *  - bookmarks
 116  *  - seekable (if you can seek, it doesn't say if 'bar display' has be shown
 117  *    or not, for that check position != 0.0)
 118  *  - can-pause
 119  * * For intf callback upon changes
 120  *  - intf-change
 121  *  - rate-change for when playback rate changes
 122  * TODO explain when Callback is called
 123  * TODO complete this list (?)
 124  *****************************************************************************/
 125 static input_thread_t *Create( vlc_object_t *p_parent, input_item_t *p_item,
 126                                const char *psz_header, bool b_quick,
 127                                sout_instance_t *p_sout )
 128 {
 129     static const char input_name[] = "input";
 130     input_thread_t *p_input = NULL;                 /* thread descriptor */
 131     vlc_value_t val;
 132     int i;
 133
 134     /* Allocate descriptor */
 135     p_input = vlc_custom_create( p_parent, sizeof( *p_input ),
 136                                  VLC_OBJECT_INPUT, input_name );
 137     if( p_input == NULL )
 138     {
 139         msg_Err( p_parent, "out of memory" );
 140         return NULL;
 141     }
 142     MALLOC_NULL( p_input->p, input_thread_private_t );
 143
 144     /* One "randomly" selected input thread is responsible for computing
 145      * the global stats. Check if there is already someone doing this */
 146     if( p_input->p_libvlc->p_stats && !b_quick )
 147     {
 148         vlc_mutex_lock( &p_input->p_libvlc->p_stats->lock );
 149         if( p_input->p_libvlc->p_stats_computer == NULL )
 150         {
 151             p_input->p_libvlc->p_stats_computer = p_input;
 152         }
 153         vlc_mutex_unlock( &p_input->p_libvlc->p_stats->lock );
 154     }
 155
 156     p_input->b_preparsing = b_quick;
 157     p_input->psz_header = psz_header ? strdup( psz_header ) : NULL;
 158
 159     /* Init Common fields */
 160     p_input->b_eof = false;
 161     p_input->b_can_pace_control = true;
 162     p_input->p->i_start = 0;
 163     p_input->i_time  = 0;
 164     p_input->p->i_stop  = 0;
 165     p_input->p->i_run  = 0;
 166     p_input->p->i_title = 0;
 167     p_input->p->title   = NULL;
 168     p_input->p->i_title_offset = p_input->p->i_seekpoint_offset = 0;
 169     p_input->i_state = INIT_S;
 170     p_input->p->i_rate  = INPUT_RATE_DEFAULT;
 171     TAB_INIT( p_input->p->i_bookmark, p_input->p->bookmark );
 172     TAB_INIT( p_input->p->i_attachment, p_input->p->attachment );
 173     p_input->p->p_es_out = NULL;
 174     p_input->p->p_sout  = NULL;
 175     p_input->p->b_owns_its_sout = true;
 176     p_input->p->b_sout_keep  = false;
 177     p_input->p->b_out_pace_control = false;
 178     p_input->i_pts_delay = 0;
 179
 180     /* Init Input fields */
 181     vlc_gc_incref( p_item ); /* Released in Destructor() */
 182     p_input->p->input.p_item = p_item;
 183     p_input->p->input.p_access = NULL;
 184     p_input->p->input.p_stream = NULL;
 185     p_input->p->input.p_demux  = NULL;
 186     p_input->p->input.b_title_demux = false;
 187     p_input->p->input.i_title  = 0;
 188     p_input->p->input.title    = NULL;
 189     p_input->p->input.i_title_offset = p_input->p->input.i_seekpoint_offset = 0;
 190     p_input->p->input.b_can_pace_control = true;
 191     p_input->p->input.b_can_rate_control = true;
 192     p_input->p->input.b_rescale_ts = true;
 193     p_input->p->input.b_eof = false;
 194     p_input->p->input.i_cr_average = 0;
 195
 196     vlc_mutex_lock( &p_item->lock );
 197
 198     if( !p_item->p_stats )
 199         p_item->p_stats = stats_NewInputStats( p_input );
 200     vlc_mutex_unlock( &p_item->lock );
 201
 202     /* No slave */
 203     p_input->p->i_slave = 0;
 204     p_input->p->slave   = NULL;
 205
 206     /* Init control buffer */
 207     vlc_mutex_init( p_input, &p_input->p->lock_control );
 208     p_input->p->i_control = 0;
 209
 210     /* Parse input options */
 211     vlc_mutex_lock( &p_item->lock );
 212     assert( p_item->optflagc == p_item->i_options );
 213     for( i = 0; i < p_item->i_options; i++ )
 214         var_OptionParse( VLC_OBJECT(p_input), p_item->ppsz_options[i],
 215                          !!(p_item->optflagv[i] & VLC_INPUT_OPTION_TRUSTED) );
 216     vlc_mutex_unlock( &p_item->lock );
 217
 218     /* Create Object Variables for private use only */
 219     input_ConfigVarInit( p_input );
 220
 221     /* Create Objects variables for public Get and Set */
 222     input_ControlVarInit( p_input );
 223
 224     p_input->p->input.i_cr_average = var_GetInteger( p_input, "cr-average" );
 225
 226     if( !p_input->b_preparsing )
 227     {
 228         var_Get( p_input, "bookmarks", &val );
 229         if( val.psz_string )
 230         {
 231             /* FIXME: have a common cfg parsing routine used by sout and others */
 232             char *psz_parser, *psz_start, *psz_end;
 233             psz_parser = val.psz_string;
 234             while( (psz_start = strchr( psz_parser, '{' ) ) )
 235             {
 236                  seekpoint_t *p_seekpoint = vlc_seekpoint_New();
 237                  char backup;
 238                  psz_start++;
 239                  psz_end = strchr( psz_start, '}' );
 240                  if( !psz_end ) break;
 241                  psz_parser = psz_end + 1;
 242                  backup = *psz_parser;
 243                  *psz_parser = 0;
 244                  *psz_end = ',';
 245                  while( (psz_end = strchr( psz_start, ',' ) ) )
 246                  {
 247                      *psz_end = 0;
 248                      if( !strncmp( psz_start, "name=", 5 ) )
 249                      {
 250                          p_seekpoint->psz_name = strdup(psz_start + 5);
 251                      }
 252                      else if( !strncmp( psz_start, "bytes=", 6 ) )
 253                      {
 254                          p_seekpoint->i_byte_offset = atoll(psz_start + 6);
 255                      }
 256                      else if( !strncmp( psz_start, "time=", 5 ) )
 257                      {
 258                          p_seekpoint->i_time_offset = atoll(psz_start + 5) *
 259                                                         1000000;
 260                      }
 261                      psz_start = psz_end + 1;
 262                 }
 263                 msg_Dbg( p_input, "adding bookmark: %s, bytes="I64Fd", time="I64Fd,
 264                                   p_seekpoint->psz_name, p_seekpoint->i_byte_offset,
 265                                   p_seekpoint->i_time_offset );
 266                 input_Control( p_input, INPUT_ADD_BOOKMARK, p_seekpoint );
 267                 vlc_seekpoint_Delete( p_seekpoint );
 268                 *psz_parser = backup;
 269             }
 270             free( val.psz_string );
 271         }
 272     }
 273
 274     /* Remove 'Now playing' info as it is probably outdated */
 275     input_Control( p_input, INPUT_DEL_INFO,
 276         _(VLC_META_INFO_CAT),
 277         _(VLC_META_NOW_PLAYING) );
 278     input_item_SetNowPlaying( p_item, NULL );
 279
 280     /* */
 281     if( p_input->b_preparsing )
 282         p_input->i_flags |= OBJECT_FLAGS_QUIET | OBJECT_FLAGS_NOINTERACT;
 283
 284     /* */
 285     if( p_sout )
 286     {
 287         p_input->p->p_sout = p_sout;
 288         p_input->p->b_owns_its_sout = false;
 289     }
 290
 291     memset( &p_input->p->counters, 0, sizeof( p_input->p->counters ) );
 292     vlc_mutex_init( p_input, &p_input->p->counters.counters_lock );
 293
 294     /* Attach only once we are ready */
 295     vlc_object_attach( p_input, p_parent );
 296
 297     /* Set the destructor when we are sure we are initialized */
 298     vlc_object_set_destructor( p_input, (vlc_destructor_t)Destructor );
 299
 300     return p_input;
 301 }
 302
 303 /**
 304  * Input destructor (called when the object's refcount reaches 0).
 305  */
 306 static void Destructor( input_thread_t * p_input )
 307 {
 308     input_thread_private_t *priv = p_input->p;
 309
 310     if( priv->b_owns_its_sout && priv->p_sout )
 311     {
 312         if( priv->b_sout_keep )
 313             SoutKeep( priv->p_sout );
 314         else
 315             sout_DeleteInstance( priv->p_sout );
 316     }
 317
 318     vlc_gc_decref( p_input->p->input.p_item );
 319
 320     vlc_mutex_destroy( &p_input->p->counters.counters_lock );
 321
 322     vlc_mutex_destroy( &priv->lock_control );
 323     free( priv );
 324 }
 325
 326 /**
 327  * Initialize an input thread and run it. You will need to monitor the
 328  * thread to clean up after it is done
 329  *
 330  * \param p_parent a vlc_object
 331  * \param p_item an input item
 332  * \return a pointer to the spawned input thread
 333  */
 334 input_thread_t *__input_CreateThread( vlc_object_t *p_parent,
 335                                       input_item_t *p_item )
 336 {
 337     bool b_sout_keep;
 338     sout_instance_t *p_sout = SoutFind( p_parent, p_item, &b_sout_keep );
 339     input_thread_t *p_input =  __input_CreateThreadExtended( p_parent, p_item, NULL, p_sout );
 340
 341     if( !p_input && p_sout )
 342         SoutKeep( p_sout );
 343
 344     p_input->p->b_sout_keep = b_sout_keep;
 345     return p_input;
 346 }
 347
 348 /* */
 349 input_thread_t *__input_CreateThreadExtended( vlc_object_t *p_parent,
 350                                               input_item_t *p_item,
 351                                               const char *psz_log, sout_instance_t *p_sout )
 352 {
 353     input_thread_t *p_input;
 354
 355     p_input = Create( p_parent, p_item, psz_log, false, p_sout );
 356     if( !p_input )
 357         return NULL;
 358
 359     /* Create thread and wait for its readiness. */
 360     if( vlc_thread_create( p_input, "input", Run,
 361                            VLC_THREAD_PRIORITY_INPUT, true ) )
 362     {
 363         input_ChangeState( p_input, ERROR_S );
 364         msg_Err( p_input, "cannot create input thread" );
 365         vlc_object_detach( p_input );
 366         vlc_object_release( p_input );
 367         return NULL;
 368     }
 369
 370     return p_input;
 371 }
 372
 373 /**
 374  * Initialize an input thread and run it. This thread will clean after himself,
 375  * you can forget about it. It can work either in blocking or non-blocking mode
 376  *
 377  * \param p_parent a vlc_object
 378  * \param p_item an input item
 379  * \param b_block should we block until read is finished ?
 380  * \return the input object id if non blocking, an error code else
 381  */
 382 int __input_Read( vlc_object_t *p_parent, input_item_t *p_item,
 383                    bool b_block )
 384 {
 385     bool b_sout_keep;
 386     sout_instance_t *p_sout = SoutFind( p_parent, p_item, &b_sout_keep );
 387     input_thread_t *p_input;
 388
 389     p_input = Create( p_parent, p_item, NULL, false, p_sout );
 390     if( !p_input && p_sout )
 391     {
 392         SoutKeep( p_sout );
 393         return VLC_EGENERIC;
 394     }
 395     p_input->p->b_sout_keep = b_sout_keep;
 396
 397     if( b_block )
 398     {
 399         RunAndDestroy( p_input );
 400         return VLC_SUCCESS;
 401     }
 402     else
 403     {
 404         if( vlc_thread_create( p_input, "input", RunAndDestroy,
 405                                VLC_THREAD_PRIORITY_INPUT, true ) )
 406         {
 407             input_ChangeState( p_input, ERROR_S );
 408             msg_Err( p_input, "cannot create input thread" );
 409             vlc_object_release( p_input );
 410             return VLC_EGENERIC;
 411         }
 412     }
 413     return p_input->i_object_id;
 414 }
 415
 416 /**
 417  * Initialize an input and initialize it to preparse the item
 418  * This function is blocking. It will only accept to parse files
 419  *
 420  * \param p_parent a vlc_object_t
 421  * \param p_item an input item
 422  * \return VLC_SUCCESS or an error
 423  */
 424 int __input_Preparse( vlc_object_t *p_parent, input_item_t *p_item )
 425 {
 426     input_thread_t *p_input;
 427
 428     /* Allocate descriptor */
 429     p_input = Create( p_parent, p_item, NULL, true, NULL );
 430     if( !p_input )
 431         return VLC_EGENERIC;
 432
 433     if( !Init( p_input ) )
 434         End( p_input );
 435
 436     vlc_object_detach( p_input );
 437     vlc_object_release( p_input );
 438
 439     return VLC_SUCCESS;
 440 }
 441
 442 /**
 443  * Request a running input thread to stop and die
 444  *
 445  * \param the input thread to stop
 446  */
 447 void input_StopThread( input_thread_t *p_input )
 448 {
 449     vlc_list_t *p_list;
 450     int i;
 451
 452     /* Set die for input */
 453     vlc_object_kill( p_input );
 454     /* FIXME: seems to be duplicated in ControlPush(INPUT_CONTROL_SET_DIE) */
 455
 456     /* We cannot touch p_input fields directly (we come from another thread),
 457      * so use the vlc_object_find way, it's perfectly safe */
 458
 459     /* Set die for all access */
 460     p_list = vlc_list_find( p_input, VLC_OBJECT_ACCESS, FIND_CHILD );
 461     for( i = 0; i < p_list->i_count; i++ )
 462     {
 463         vlc_object_kill( p_list->p_values[i].p_object );
 464     }
 465     vlc_list_release( p_list );
 466
 467     /* Set die for all stream */
 468     p_list = vlc_list_find( p_input, VLC_OBJECT_STREAM, FIND_CHILD );
 469     for( i = 0; i < p_list->i_count; i++ )
 470     {
 471         vlc_object_kill( p_list->p_values[i].p_object );
 472     }
 473     vlc_list_release( p_list );
 474
 475     /* Set die for all demux */
 476     p_list = vlc_list_find( p_input, VLC_OBJECT_DEMUX, FIND_CHILD );
 477     for( i = 0; i < p_list->i_count; i++ )
 478     {
 479         vlc_object_kill( p_list->p_values[i].p_object );
 480     }
 481     vlc_list_release( p_list );
 482
 483     input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
 484 }
 485
 486 sout_instance_t * input_DetachSout( input_thread_t *p_input )
 487 {
 488     p_input->p->b_owns_its_sout = false;
 489     return p_input->p->p_sout;
 490 }
 491
 492 /*****************************************************************************
 493  * Run: main thread loop
 494  * This is the "normal" thread that spawns the input processing chain,
 495  * reads the stream, cleans up and waits
 496  *****************************************************************************/
 497 static int Run( input_thread_t *p_input )
 498 {
 499     /* Signal that the thread is launched */
 500     vlc_thread_ready( p_input );
 501
 502     if( Init( p_input ) )
 503     {
 504         /* If we failed, wait before we are killed, and exit */
 505         p_input->b_error = true;
 506
 507         /* FIXME: we don't want to depend on the playlist */
 508         playlist_t * p_playlist = vlc_object_find( p_input,
 509             VLC_OBJECT_PLAYLIST, FIND_PARENT );
 510         if( p_playlist )
 511         {
 512             playlist_Signal( p_playlist );
 513             vlc_object_release( p_playlist );
 514         }
 515
 516         Error( p_input );
 517
 518         /* Tell we're dead */
 519         p_input->b_dead = true;
 520
 521         return 0;
 522     }
 523
 524     MainLoop( p_input );
 525
 526     if( !p_input->b_eof && !p_input->b_error && p_input->p->input.b_eof )
 527     {
 528         /* We have finish to demux data but not to play them */
 529         while( !p_input->b_die )
 530         {
 531             if( input_EsOutDecodersEmpty( p_input->p->p_es_out ) )
 532                 break;
 533
 534             msg_Dbg( p_input, "waiting decoder fifos to empty" );
 535
 536             msleep( INPUT_IDLE_SLEEP );
 537         }
 538
 539         /* We have finished */
 540         p_input->b_eof = true;
 541         playlist_Signal( pl_Get( p_input ) );
 542     }
 543
 544     /* Wait until we are asked to die */
 545     if( !p_input->b_die )
 546     {
 547         Error( p_input );
 548     }
 549
 550     /* Clean up */
 551     End( p_input );
 552
 553     return 0;
 554 }
 555
 556 /*****************************************************************************
 557  * RunAndDestroy: main thread loop
 558  * This is the "just forget me" thread that spawns the input processing chain,
 559  * reads the stream, cleans up and releases memory
 560  *****************************************************************************/
 561 static int RunAndDestroy( input_thread_t *p_input )
 562 {
 563     /* Signal that the thread is launched */
 564     vlc_thread_ready( p_input );
 565
 566     if( Init( p_input ) )
 567         goto exit;
 568
 569     MainLoop( p_input );
 570
 571     if( !p_input->b_eof && !p_input->b_error && p_input->p->input.b_eof )
 572     {
 573         /* We have finished demuxing data but not playing it */
 574         while( !p_input->b_die )
 575         {
 576             if( input_EsOutDecodersEmpty( p_input->p->p_es_out ) )
 577                 break;
 578
 579             msg_Dbg( p_input, "waiting decoder fifos to empty" );
 580
 581             msleep( INPUT_IDLE_SLEEP );
 582         }
 583
 584         /* We have finished */
 585         p_input->b_eof = true;
 586     }
 587
 588     /* Clean up */
 589     End( p_input );
 590
 591 exit:
 592     /* Release memory */
 593     vlc_object_release( p_input );
 594     return 0;
 595 }
 596
 597 /*****************************************************************************
 598  * Main loop: Fill buffers from access, and demux
 599  *****************************************************************************/
 600 static void MainLoop( input_thread_t *p_input )
 601 {
 602     int64_t i_start_mdate = mdate();
 603     int64_t i_intf_update = 0;
 604     int i_updates = 0;
 605
 606     while( !p_input->b_die && !p_input->b_error && !p_input->p->input.b_eof )
 607     {
 608         bool b_force_update = false;
 609         int i_ret;
 610         int i_type;
 611         vlc_value_t val;
 612
 613         /* Do the read */
 614         if( p_input->i_state != PAUSE_S  )
 615         {
 616             if( ( p_input->p->i_stop > 0 && p_input->i_time >= p_input->p->i_stop ) ||
 617                 ( p_input->p->i_run > 0 && i_start_mdate+p_input->p->i_run < mdate() ) )
 618                 i_ret = 0; /* EOF */
 619             else
 620                 i_ret = p_input->p->input.p_demux->pf_demux(p_input->p->input.p_demux);
 621
 622             if( i_ret > 0 )
 623             {
 624                 /* TODO */
 625                 if( p_input->p->input.b_title_demux &&
 626                     p_input->p->input.p_demux->info.i_update )
 627                 {
 628                     i_ret = UpdateFromDemux( p_input );
 629                     b_force_update = true;
 630                 }
 631                 else if( !p_input->p->input.b_title_demux &&
 632                           p_input->p->input.p_access &&
 633                           p_input->p->input.p_access->info.i_update )
 634                 {
 635                     i_ret = UpdateFromAccess( p_input );
 636                     b_force_update = true;
 637                 }
 638             }
 639
 640             if( i_ret == 0 )    /* EOF */
 641             {
 642                 vlc_value_t repeat;
 643
 644                 var_Get( p_input, "input-repeat", &repeat );
 645                 if( repeat.i_int == 0 )
 646                 {
 647                     /* End of file - we do not set b_die because only the
 648                      * playlist is allowed to do so. */
 649                     input_ChangeState( p_input, END_S );
 650                     msg_Dbg( p_input, "EOF reached" );
 651                     p_input->p->input.b_eof = true;
 652                 }
 653                 else
 654                 {
 655                     msg_Dbg( p_input, "repeating the same input (%d)",
 656                              repeat.i_int );
 657                     if( repeat.i_int > 0 )
 658                     {
 659                         repeat.i_int--;
 660                         var_Set( p_input, "input-repeat", repeat );
 661                     }
 662
 663                     /* Seek to start title/seekpoint */
 664                     val.i_int = p_input->p->input.i_title_start -
 665                         p_input->p->input.i_title_offset;
 666                     if( val.i_int < 0 || val.i_int >= p_input->p->input.i_title )
 667                         val.i_int = 0;
 668                     input_ControlPush( p_input,
 669                                        INPUT_CONTROL_SET_TITLE, &val );
 670
 671                     val.i_int = p_input->p->input.i_seekpoint_start -
 672                         p_input->p->input.i_seekpoint_offset;
 673                     if( val.i_int > 0 /* TODO: check upper boundary */ )
 674                         input_ControlPush( p_input,
 675                                            INPUT_CONTROL_SET_SEEKPOINT, &val );
 676
 677                     /* Seek to start position */
 678                     if( p_input->p->i_start > 0 )
 679                     {
 680                         val.i_time = p_input->p->i_start;
 681                         input_ControlPush( p_input, INPUT_CONTROL_SET_TIME,
 682                                            &val );
 683                     }
 684                     else
 685                     {
 686                         val.f_float = 0.0;
 687                         input_ControlPush( p_input, INPUT_CONTROL_SET_POSITION,
 688                                            &val );
 689                     }
 690
 691                     /* */
 692                     i_start_mdate = mdate();
 693                 }
 694             }
 695             else if( i_ret < 0 )
 696             {
 697                 p_input->b_error = true;
 698             }
 699
 700             if( i_ret > 0 && p_input->p->i_slave > 0 )
 701             {
 702                 SlaveDemux( p_input );
 703             }
 704         }
 705         else
 706         {
 707             /* Small wait */
 708             msleep( 10*1000 );
 709         }
 710
 711         /* Handle control */
 712         vlc_mutex_lock( &p_input->p->lock_control );
 713         ControlReduce( p_input );
 714         while( !ControlPopNoLock( p_input, &i_type, &val ) )
 715         {
 716             msg_Dbg( p_input, "control type=%d", i_type );
 717             if( Control( p_input, i_type, val ) )
 718                 b_force_update = true;
 719         }
 720         vlc_mutex_unlock( &p_input->p->lock_control );
 721
 722         if( b_force_update || i_intf_update < mdate() )
 723         {
 724             vlc_value_t val;
 725             double f_pos;
 726             int64_t i_time, i_length;
 727             /* update input status variables */
 728             if( !demux_Control( p_input->p->input.p_demux,
 729                                  DEMUX_GET_POSITION, &f_pos ) )
 730             {
 731                 val.f_float = (float)f_pos;
 732                 var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
 733             }
 734             if( !demux_Control( p_input->p->input.p_demux,
 735                                  DEMUX_GET_TIME, &i_time ) )
 736             {
 737                 p_input->i_time = i_time;
 738                 val.i_time = i_time;
 739                 var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
 740             }
 741             if( !demux_Control( p_input->p->input.p_demux,
 742                                  DEMUX_GET_LENGTH, &i_length ) )
 743             {
 744                 vlc_value_t old_val;
 745                 var_Get( p_input, "length", &old_val );
 746                 val.i_time = i_length;
 747                 var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
 748
 749                 if( old_val.i_time != val.i_time )
 750                 {
 751                     UpdateItemLength( p_input, i_length );
 752                 }
 753             }
 754
 755             var_SetBool( p_input, "intf-change", true );
 756             i_intf_update = mdate() + I64C(150000);
 757         }
 758         /* 150ms * 8 = ~ 1 second */
 759         if( ++i_updates % 8 == 0 )
 760         {
 761             stats_ComputeInputStats( p_input, p_input->p->input.p_item->p_stats );
 762             /* Are we the thread responsible for computing global stats ? */
 763             if( p_input->p_libvlc->p_stats_computer == p_input )
 764             {
 765                 stats_ComputeGlobalStats( p_input->p_libvlc,
 766                                      p_input->p_libvlc->p_stats );
 767             }
 768         }
 769     }
 770 }
 771
 772 static void InitStatistics( input_thread_t * p_input )
 773 {
 774     if( p_input->b_preparsing ) return;
 775
 776     /* Prepare statistics */
 777 #define INIT_COUNTER( c, type, compute ) p_input->p->counters.p_##c = \
 778  stats_CounterCreate( p_input, VLC_VAR_##type, STATS_##compute);
 779     if( p_input->p_libvlc->b_stats )
 780     {
 781         INIT_COUNTER( read_bytes, INTEGER, COUNTER );
 782         INIT_COUNTER( read_packets, INTEGER, COUNTER );
 783         INIT_COUNTER( demux_read, INTEGER, COUNTER );
 784         INIT_COUNTER( input_bitrate, FLOAT, DERIVATIVE );
 785         INIT_COUNTER( demux_bitrate, FLOAT, DERIVATIVE );
 786         INIT_COUNTER( played_abuffers, INTEGER, COUNTER );
 787         INIT_COUNTER( lost_abuffers, INTEGER, COUNTER );
 788         INIT_COUNTER( displayed_pictures, INTEGER, COUNTER );
 789         INIT_COUNTER( lost_pictures, INTEGER, COUNTER );
 790         INIT_COUNTER( decoded_audio, INTEGER, COUNTER );
 791         INIT_COUNTER( decoded_video, INTEGER, COUNTER );
 792         INIT_COUNTER( decoded_sub, INTEGER, COUNTER );
 793         p_input->p->counters.p_sout_send_bitrate = NULL;
 794         p_input->p->counters.p_sout_sent_packets = NULL;
 795         p_input->p->counters.p_sout_sent_bytes = NULL;
 796         if( p_input->p->counters.p_demux_bitrate )
 797             p_input->p->counters.p_demux_bitrate->update_interval = 1000000;
 798         if( p_input->p->counters.p_input_bitrate )
 799             p_input->p->counters.p_input_bitrate->update_interval = 1000000;
 800     }
 801 }
 802
 803 static int InitSout( input_thread_t * p_input )
 804 {
 805     char *psz;
 806
 807     if( p_input->b_preparsing ) return VLC_SUCCESS;
 808
 809     /* Find a usable sout and attach it to p_input */
 810     psz = var_GetNonEmptyString( p_input, "sout" );
 811     if( psz && strncasecmp( p_input->p->input.p_item->psz_uri, "vlc:", 4 ) )
 812     {
 813         /* Check the validity of the provided sout */
 814         if( p_input->p->p_sout )
 815         {
 816             if( strcmp( p_input->p->p_sout->psz_sout, psz ) )
 817             {
 818                 msg_Dbg( p_input, "destroying unusable sout" );
 819
 820                 sout_DeleteInstance( p_input->p->p_sout );
 821                 p_input->p->p_sout = NULL;
 822             }
 823         }
 824
 825         if( p_input->p->p_sout )
 826         {
 827             /* Reuse it */
 828             msg_Dbg( p_input, "sout keep: reusing sout" );
 829             msg_Dbg( p_input, "sout keep: you probably want to use "
 830                               "gather stream_out" );
 831             vlc_object_attach( p_input->p->p_sout, p_input );
 832         }
 833         else
 834         {
 835             /* Create a new one */
 836             p_input->p->p_sout = sout_NewInstance( p_input, psz );
 837             if( !p_input->p->p_sout )
 838             {
 839                 input_ChangeState( p_input, ERROR_S );
 840                 msg_Err( p_input, "cannot start stream output instance, " \
 841                                   "aborting" );
 842                 free( psz );
 843                 return VLC_EGENERIC;
 844             }
 845         }
 846         if( p_input->p_libvlc->b_stats )
 847         {
 848             INIT_COUNTER( sout_sent_packets, INTEGER, COUNTER );
 849             INIT_COUNTER (sout_sent_bytes, INTEGER, COUNTER );
 850             INIT_COUNTER( sout_send_bitrate, FLOAT, DERIVATIVE );
 851             if( p_input->p->counters.p_sout_send_bitrate )
 852                  p_input->p->counters.p_sout_send_bitrate->update_interval =
 853                          1000000;
 854         }
 855     }
 856     else if( p_input->p->p_sout )
 857     {
 858         msg_Dbg( p_input, "destroying useless sout" );
 859
 860         sout_DeleteInstance( p_input->p->p_sout );
 861         p_input->p->p_sout = NULL;
 862     }
 863     free( psz );
 864
 865     return VLC_SUCCESS;
 866 }
 867
 868 static void InitTitle( input_thread_t * p_input )
 869 {
 870     vlc_value_t val;
 871
 872     if( p_input->b_preparsing ) return;
 873
 874     /* Create global title (from master) */
 875     p_input->p->i_title = p_input->p->input.i_title;
 876     p_input->p->title   = p_input->p->input.title;
 877     p_input->p->i_title_offset = p_input->p->input.i_title_offset;
 878     p_input->p->i_seekpoint_offset = p_input->p->input.i_seekpoint_offset;
 879     if( p_input->p->i_title > 0 )
 880     {
 881         /* Setup variables */
 882         input_ControlVarNavigation( p_input );
 883         input_ControlVarTitle( p_input, 0 );
 884     }
 885
 886     /* Global flag */
 887     p_input->b_can_pace_control = p_input->p->input.b_can_pace_control;
 888     p_input->p->b_can_pause        = p_input->p->input.b_can_pause;
 889     p_input->p->b_can_rate_control = p_input->p->input.b_can_rate_control;
 890
 891     /* Fix pts delay */
 892     if( p_input->i_pts_delay < 0 )
 893         p_input->i_pts_delay = 0;
 894
 895     /* If the desynchronisation requested by the user is < 0, we need to
 896      * cache more data. */
 897     var_Get( p_input, "audio-desync", &val );
 898     if( val.i_int < 0 ) p_input->i_pts_delay -= (val.i_int * 1000);
 899
 900     /* Update cr_average depending on the caching */
 901     p_input->p->input.i_cr_average *= (10 * p_input->i_pts_delay / 200000);
 902     p_input->p->input.i_cr_average /= 10;
 903     if( p_input->p->input.i_cr_average < 10 ) p_input->p->input.i_cr_average = 10;
 904 }
 905
 906 static void StartTitle( input_thread_t * p_input )
 907 {
 908     double f_fps;
 909     vlc_value_t val;
 910     int i, i_delay;
 911     char *psz;
 912     char *psz_subtitle;
 913
 914     /* Start title/chapter */
 915
 916     if( p_input->b_preparsing )
 917     {
 918         p_input->p->i_start = 0;
 919         return;
 920     }
 921
 922     val.i_int = p_input->p->input.i_title_start -
 923                 p_input->p->input.i_title_offset;
 924     if( val.i_int > 0 && val.i_int < p_input->p->input.i_title )
 925         input_ControlPush( p_input, INPUT_CONTROL_SET_TITLE, &val );
 926     val.i_int = p_input->p->input.i_seekpoint_start -
 927                 p_input->p->input.i_seekpoint_offset;
 928     if( val.i_int > 0 /* TODO: check upper boundary */ )
 929         input_ControlPush( p_input, INPUT_CONTROL_SET_SEEKPOINT, &val );
 930
 931     /* Start time*/
 932     /* Set start time */
 933     p_input->p->i_start = I64C(1000000) * var_GetInteger( p_input, "start-time" );
 934     p_input->p->i_stop  = I64C(1000000) * var_GetInteger( p_input, "stop-time" );
 935     p_input->p->i_run   = I64C(1000000) * var_GetInteger( p_input, "run-time" );
 936     if( p_input->p->i_run < 0 )
 937     {
 938         msg_Warn( p_input, "invalid run-time ignored" );
 939         p_input->p->i_run = 0;
 940     }
 941
 942     if( p_input->p->i_start > 0 )
 943     {
 944         if( p_input->p->i_start >= val.i_time )
 945         {
 946             msg_Warn( p_input, "invalid start-time ignored" );
 947         }
 948         else
 949         {
 950             vlc_value_t s;
 951
 952             msg_Dbg( p_input, "starting at time: %ds",
 953                               (int)( p_input->p->i_start / I64C(1000000) ) );
 954
 955             s.i_time = p_input->p->i_start;
 956             input_ControlPush( p_input, INPUT_CONTROL_SET_TIME, &s );
 957         }
 958     }
 959     if( p_input->p->i_stop > 0 && p_input->p->i_stop <= p_input->p->i_start )
 960     {
 961         msg_Warn( p_input, "invalid stop-time ignored" );
 962         p_input->p->i_stop = 0;
 963     }
 964
 965     /* Load subtitles */
 966     /* Get fps and set it if not already set */
 967     if( !demux_Control( p_input->p->input.p_demux, DEMUX_GET_FPS, &f_fps ) &&
 968         f_fps > 1.0 )
 969     {
 970         float f_requested_fps;
 971
 972         var_Create( p_input, "sub-original-fps", VLC_VAR_FLOAT );
 973         var_SetFloat( p_input, "sub-original-fps", f_fps );
 974
 975         f_requested_fps = var_CreateGetFloat( p_input, "sub-fps" );
 976         if( f_requested_fps != f_fps )
 977         {
 978             var_Create( p_input, "sub-fps", VLC_VAR_FLOAT|
 979                                             VLC_VAR_DOINHERIT );
 980             var_SetFloat( p_input, "sub-fps", f_requested_fps );
 981         }
 982     }
 983
 984     i_delay = var_CreateGetInteger( p_input, "sub-delay" );
 985     if( i_delay != 0 )
 986     {
 987         var_SetTime( p_input, "spu-delay", (mtime_t)i_delay * 100000 );
 988     }
 989
 990     /* Look for and add subtitle files */
 991     psz_subtitle = var_GetNonEmptyString( p_input, "sub-file" );
 992     if( psz_subtitle != NULL )
 993     {
 994         msg_Dbg( p_input, "forced subtitle: %s", psz_subtitle );
 995         input_AddSubtitles( p_input, psz_subtitle, false );
 996     }
 997
 998     var_Get( p_input, "sub-autodetect-file", &val );
 999     if( val.b_bool )
1000     {
1001         char *psz_autopath = var_GetNonEmptyString( p_input, "sub-autodetect-path" );
1002         char **subs = subtitles_Detect( p_input, psz_autopath,
1003                                         p_input->p->input.p_item->psz_uri );
1004         input_source_t *sub;
1005         i = 0;
1006         if( psz_autopath == NULL )
1007             psz_autopath = strdup("");
1008
1009         /* Try to autoselect the first autodetected subtitles file
1010          * if no subtitles file was specified */
1011         if( ( psz_subtitle == NULL ) && subs && subs[0] )
1012         {
1013             input_AddSubtitles( p_input, subs[0], false );
1014             free( subs[0] );
1015             i = 1;
1016         }
1017
1018         /* Then, just add the following subtitles files */
1019         for( ; subs && subs[i]; i++ )
1020         {
1021             if( !psz_subtitle || strcmp( psz_subtitle, subs[i] ) )
1022             {
1023                 sub = InputSourceNew( p_input );
1024                 if( !InputSourceInit( p_input, sub, subs[i], "subtitle" ) )
1025                 {
1026                     TAB_APPEND( p_input->p->i_slave, p_input->p->slave, sub );
1027                 }
1028                 else free( sub );
1029             }
1030             free( subs[i] );
1031         }
1032         free( subs );
1033         free( psz_autopath );
1034     }
1035     free( psz_subtitle );
1036
1037     /* Look for slave */
1038     psz = var_GetNonEmptyString( p_input, "input-slave" );
1039     if( psz != NULL )
1040     {
1041         char *psz_delim;
1042         input_source_t *slave;
1043         while( psz && *psz )
1044         {
1045             while( *psz == ' ' || *psz == '#' )
1046             {
1047                 psz++;
1048             }
1049             if( ( psz_delim = strchr( psz, '#' ) ) )
1050             {
1051                 *psz_delim++ = '\0';
1052             }
1053             if( *psz == 0 )
1054             {
1055                 break;
1056             }
1057
1058             msg_Dbg( p_input, "adding slave input '%s'", psz );
1059             slave = InputSourceNew( p_input );
1060             if( !InputSourceInit( p_input, slave, psz, NULL ) )
1061             {
1062                 TAB_APPEND( p_input->p->i_slave, p_input->p->slave, slave );
1063             }
1064             else free( slave );
1065             psz = psz_delim;
1066         }
1067         free( psz );
1068     }
1069 }
1070
1071 static void InitPrograms( input_thread_t * p_input )
1072 {
1073     int i_es_out_mode;
1074     vlc_value_t val;
1075
1076     if( p_input->b_preparsing ) return;
1077
1078     /* Set up es_out */
1079     es_out_Control( p_input->p->p_es_out, ES_OUT_SET_ACTIVE, true );
1080     i_es_out_mode = ES_OUT_MODE_AUTO;
1081     val.p_list = NULL;
1082     if( p_input->p->p_sout )
1083     {
1084         var_Get( p_input, "sout-all", &val );
1085         if ( val.b_bool )
1086         {
1087             i_es_out_mode = ES_OUT_MODE_ALL;
1088             val.p_list = NULL;
1089         }
1090         else
1091         {
1092             var_Get( p_input, "programs", &val );
1093             if ( val.p_list && val.p_list->i_count )
1094             {
1095                 i_es_out_mode = ES_OUT_MODE_PARTIAL;
1096                 /* Note : we should remove the "program" callback. */
1097             }
1098             else
1099                 var_Change( p_input, "programs", VLC_VAR_FREELIST, &val,
1100                             NULL );
1101         }
1102     }
1103     es_out_Control( p_input->p->p_es_out, ES_OUT_SET_MODE, i_es_out_mode );
1104
1105     /* Inform the demuxer about waited group (needed only for DVB) */
1106     if( i_es_out_mode == ES_OUT_MODE_ALL )
1107     {
1108         demux_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, -1, NULL );
1109     }
1110     else if( i_es_out_mode == ES_OUT_MODE_PARTIAL )
1111     {
1112         demux_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, -1,
1113                         val.p_list );
1114     }
1115     else
1116     {
1117         demux_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP,
1118                        (int) var_GetInteger( p_input, "program" ), NULL );
1119     }
1120 }
1121
1122 static int Init( input_thread_t * p_input )
1123 {
1124     vlc_meta_t *p_meta;
1125     vlc_value_t val;
1126     int i, ret;
1127
1128     for( i = 0; i < p_input->p->input.p_item->i_options; i++ )
1129     {
1130         if( !strncmp( p_input->p->input.p_item->ppsz_options[i], "meta-file", 9 ) )
1131         {
1132             msg_Dbg( p_input, "Input is a meta file: disabling unneeded options" );
1133             var_SetString( p_input, "sout", "" );
1134             var_SetBool( p_input, "sout-all", false );
1135             var_SetString( p_input, "input-slave", "" );
1136             var_SetInteger( p_input, "input-repeat", 0 );
1137             var_SetString( p_input, "sub-file", "" );
1138             var_SetBool( p_input, "sub-autodetect-file", false );
1139         }
1140     }
1141
1142     InitStatistics( p_input );
1143     ret = InitSout( p_input );
1144
1145     if( ret != VLC_SUCCESS )
1146         return ret; /* FIXME: goto error; should be better here */
1147
1148     /* Create es out */
1149     p_input->p->p_es_out = input_EsOutNew( p_input, p_input->p->i_rate );
1150     es_out_Control( p_input->p->p_es_out, ES_OUT_SET_ACTIVE, false );
1151     es_out_Control( p_input->p->p_es_out, ES_OUT_SET_MODE, ES_OUT_MODE_NONE );
1152
1153     var_Create( p_input, "bit-rate", VLC_VAR_INTEGER );
1154     var_Create( p_input, "sample-rate", VLC_VAR_INTEGER );
1155
1156     if( InputSourceInit( p_input, &p_input->p->input,
1157                          p_input->p->input.p_item->psz_uri, NULL ) )
1158     {
1159         goto error;
1160     }
1161
1162     InitTitle( p_input );
1163
1164     /* Load master infos */
1165     /* Init length */
1166     if( !demux_Control( p_input->p->input.p_demux, DEMUX_GET_LENGTH,
1167                          &val.i_time ) && val.i_time > 0 )
1168     {
1169         var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
1170         UpdateItemLength( p_input, val.i_time );
1171     }
1172     else
1173     {
1174         val.i_time = input_item_GetDuration( p_input->p->input.p_item );
1175         if( val.i_time > 0 )
1176         { /* fallback: gets length from metadata */
1177             var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
1178             UpdateItemLength( p_input, val.i_time );
1179         }
1180     }
1181
1182     StartTitle( p_input );
1183
1184     InitPrograms( p_input );
1185
1186     if( !p_input->b_preparsing && p_input->p->p_sout )
1187     {
1188         p_input->p->b_out_pace_control = (p_input->p->p_sout->i_out_pace_nocontrol > 0);
1189
1190         if( p_input->b_can_pace_control && p_input->p->b_out_pace_control )
1191         {
1192             /* We don't want a high input priority here or we'll
1193              * end-up sucking up all the CPU time */
1194             vlc_thread_set_priority( p_input, VLC_THREAD_PRIORITY_LOW );
1195         }
1196
1197         msg_Dbg( p_input, "starting in %s mode",
1198                  p_input->p->b_out_pace_control ? "async" : "sync" );
1199     }
1200
1201     p_meta = vlc_meta_New();
1202
1203     /* Get meta data from users */
1204     InputMetaUser( p_input, p_meta );
1205
1206     /* Get meta data from master input */
1207     DemuxMeta( p_input, p_meta, p_input->p->input.p_demux );
1208
1209     /* Access_file does not give any meta, and there are no slave */
1210     AccessMeta( p_input, p_meta );
1211
1212     if( !p_input->b_preparsing )
1213     {
1214         msg_Dbg( p_input, "`%s' successfully opened",
1215                  p_input->p->input.p_item->psz_uri );
1216
1217     }
1218
1219     /* initialization is complete */
1220     input_ChangeState( p_input, PLAYING_S );
1221
1222     return VLC_SUCCESS;
1223
1224 error:
1225     input_ChangeState( p_input, ERROR_S );
1226
1227     if( p_input->p->p_es_out )
1228         input_EsOutDelete( p_input->p->p_es_out );
1229
1230     if( p_input->p->p_sout )
1231     {
1232         vlc_object_detach( p_input->p->p_sout );
1233         sout_DeleteInstance( p_input->p->p_sout );
1234     }
1235
1236
1237     if( !p_input->b_preparsing && p_input->p_libvlc->b_stats )
1238     {
1239 #define EXIT_COUNTER( c ) do { if( p_input->p->counters.p_##c ) \
1240                                    stats_CounterClean( p_input->p->counters.p_##c );\
1241                                p_input->p->counters.p_##c = NULL; } while(0)
1242         EXIT_COUNTER( read_bytes );
1243         EXIT_COUNTER( read_packets );
1244         EXIT_COUNTER( demux_read );
1245         EXIT_COUNTER( input_bitrate );
1246         EXIT_COUNTER( demux_bitrate );
1247         EXIT_COUNTER( played_abuffers );
1248         EXIT_COUNTER( lost_abuffers );
1249         EXIT_COUNTER( displayed_pictures );
1250         EXIT_COUNTER( lost_pictures );
1251         EXIT_COUNTER( decoded_audio );
1252         EXIT_COUNTER( decoded_video );
1253         EXIT_COUNTER( decoded_sub );
1254
1255         if( p_input->p->p_sout )
1256         {
1257             EXIT_COUNTER( sout_sent_packets );
1258             EXIT_COUNTER (sout_sent_bytes );
1259             EXIT_COUNTER( sout_send_bitrate );
1260         }
1261 #undef EXIT_COUNTER
1262     }
1263
1264     /* Mark them deleted */
1265     p_input->p->input.p_demux = NULL;
1266     p_input->p->input.p_stream = NULL;
1267     p_input->p->input.p_access = NULL;
1268     p_input->p->p_es_out = NULL;
1269     p_input->p->p_sout = NULL;
1270
1271     return VLC_EGENERIC;
1272 }
1273
1274 /*****************************************************************************
1275  * Error: RunThread() error loop
1276  *****************************************************************************
1277  * This function is called when an error occurred during thread main's loop.
1278  *****************************************************************************/
1279 static void Error( input_thread_t *p_input )
1280 {
1281     input_ChangeState( p_input, ERROR_S );
1282     while( !p_input->b_die )
1283     {
1284         /* Sleep a while */
1285         msleep( INPUT_IDLE_SLEEP );
1286     }
1287 }
1288
1289 /*****************************************************************************
1290  * End: end the input thread
1291  *****************************************************************************/
1292 static void End( input_thread_t * p_input )
1293 {
1294     int i;
1295
1296     /* We are at the end */
1297     input_ChangeState( p_input, END_S );
1298
1299     /* Clean control variables */
1300     input_ControlVarClean( p_input );
1301
1302     /* Clean up master */
1303     InputSourceClean( &p_input->p->input );
1304
1305     /* Delete slave */
1306     for( i = 0; i < p_input->p->i_slave; i++ )
1307     {
1308         InputSourceClean( p_input->p->slave[i] );
1309         free( p_input->p->slave[i] );
1310     }
1311     free( p_input->p->slave );
1312
1313     /* Unload all modules */
1314     if( p_input->p->p_es_out )
1315         input_EsOutDelete( p_input->p->p_es_out );
1316
1317     if( !p_input->b_preparsing )
1318     {
1319 #define CL_CO( c ) stats_CounterClean( p_input->p->counters.p_##c ); p_input->p->counters.p_##c = NULL;
1320         if( p_input->p_libvlc->b_stats )
1321         {
1322             /* make sure we are up to date */
1323             stats_ComputeInputStats( p_input, p_input->p->input.p_item->p_stats );
1324             if( p_input->p_libvlc->p_stats_computer == p_input )
1325             {
1326                 stats_ComputeGlobalStats( p_input->p_libvlc,
1327                                           p_input->p_libvlc->p_stats );
1328                 p_input->p_libvlc->p_stats_computer = NULL;
1329             }
1330             CL_CO( read_bytes );
1331             CL_CO( read_packets );
1332             CL_CO( demux_read );
1333             CL_CO( input_bitrate );
1334             CL_CO( demux_bitrate );
1335             CL_CO( played_abuffers );
1336             CL_CO( lost_abuffers );
1337             CL_CO( displayed_pictures );
1338             CL_CO( lost_pictures );
1339             CL_CO( decoded_audio) ;
1340             CL_CO( decoded_video );
1341             CL_CO( decoded_sub) ;
1342         }
1343
1344         /* Close optional stream output instance */
1345         if( p_input->p->p_sout )
1346         {
1347             CL_CO( sout_sent_packets );
1348             CL_CO( sout_sent_bytes );
1349             CL_CO( sout_send_bitrate );
1350
1351             vlc_object_detach( p_input->p->p_sout );
1352         }
1353 #undef CL_CO
1354     }
1355
1356     if( p_input->p->i_attachment > 0 )
1357     {
1358         for( i = 0; i < p_input->p->i_attachment; i++ )
1359             vlc_input_attachment_Delete( p_input->p->attachment[i] );
1360         TAB_CLEAN( p_input->p->i_attachment, p_input->p->attachment );
1361     }
1362
1363     /* Tell we're dead */
1364     p_input->b_dead = true;
1365 }
1366
1367 static sout_instance_t *SoutFind( vlc_object_t *p_parent, input_item_t *p_item, bool *pb_sout_keep )
1368 {
1369     bool b_keep_sout = var_CreateGetBool( p_parent, "sout-keep" );
1370     sout_instance_t *p_sout = NULL;
1371     int i;
1372
1373     /* Search sout-keep options
1374      * XXX it has to be done here, but it is duplicated work :( */
1375     vlc_mutex_lock( &p_item->lock );
1376     for( i = 0; i < p_item->i_options; i++ )
1377     {
1378         const char *psz_option = p_item->ppsz_options[i];
1379         if( !psz_option )
1380             continue;
1381         if( *psz_option == ':' )
1382             psz_option++;
1383
1384         if( !strcmp( psz_option, "sout-keep" ) )
1385             b_keep_sout = true;
1386         else if( !strcmp( psz_option, "no-sout-keep" ) || !strcmp( psz_option, "nosout-keep" ) )
1387             b_keep_sout = false;
1388     }
1389     vlc_mutex_unlock( &p_item->lock );
1390
1391     /* Find a potential sout to reuse
1392      * XXX it might be unusable but this will be checked later */
1393     if( b_keep_sout )
1394     {
1395         /* Remove the sout from the playlist garbage collector */
1396         /* FIXME: we don't want to depend on the playlist, sout
1397          * should be attached to libvlc */
1398         playlist_t * p_playlist = vlc_object_find( p_parent,
1399             VLC_OBJECT_PLAYLIST, FIND_PARENT );
1400         if( p_playlist )
1401         {
1402             vlc_mutex_lock( &p_playlist->gc_lock );
1403             p_sout = vlc_object_find( p_playlist, VLC_OBJECT_SOUT, FIND_CHILD );
1404             if( p_sout )
1405             {
1406                 if( p_sout->p_parent != VLC_OBJECT(p_playlist) )
1407                 {
1408                     vlc_object_release( p_sout );
1409                     p_sout = NULL;
1410                 }
1411                 else
1412                 {
1413                     vlc_object_detach( p_sout );    /* Remove it from the GC */
1414
1415                     vlc_object_release( p_sout );
1416                 }
1417             }
1418             vlc_mutex_unlock( &p_playlist->gc_lock );
1419
1420             vlc_object_release( p_playlist );
1421         }
1422     }
1423
1424     if( pb_sout_keep )
1425         *pb_sout_keep = b_keep_sout;
1426
1427     return p_sout;
1428 }
1429
1430 static void SoutKeep( sout_instance_t *p_sout )
1431 {
1432     /* FIXME: we don't want to depend on the playlist, sout
1433      * should be attached to libvlc */
1434     playlist_t * p_playlist = vlc_object_find( p_sout, VLC_OBJECT_PLAYLIST,
1435                                                FIND_PARENT );
1436     if( !p_playlist ) return;
1437
1438     msg_Dbg( p_sout, "sout has been kept" );
1439     vlc_object_attach( p_sout, p_playlist );
1440
1441     pl_Release( p_sout );
1442 }
1443
1444 /*****************************************************************************
1445  * Control
1446  *****************************************************************************/
1447 static inline int ControlPopNoLock( input_thread_t *p_input,
1448                                     int *pi_type, vlc_value_t *p_val )
1449 {
1450     if( p_input->p->i_control <= 0 )
1451     {
1452         return VLC_EGENERIC;
1453     }
1454
1455     *pi_type = p_input->p->control[0].i_type;
1456     *p_val   = p_input->p->control[0].val;
1457
1458     p_input->p->i_control--;
1459     if( p_input->p->i_control > 0 )
1460     {
1461         int i;
1462
1463         for( i = 0; i < p_input->p->i_control; i++ )
1464         {
1465             p_input->p->control[i].i_type = p_input->p->control[i+1].i_type;
1466             p_input->p->control[i].val    = p_input->p->control[i+1].val;
1467         }
1468     }
1469
1470     return VLC_SUCCESS;
1471 }
1472
1473 static void ControlReduce( input_thread_t *p_input )
1474 {
1475     int i;
1476
1477     if( !p_input )
1478         return;
1479
1480     for( i = 1; i < p_input->p->i_control; i++ )
1481     {
1482         const int i_lt = p_input->p->control[i-1].i_type;
1483         const int i_ct = p_input->p->control[i].i_type;
1484
1485         /* XXX We can't merge INPUT_CONTROL_SET_ES */
1486 /*        msg_Dbg( p_input, "[%d/%d] l=%d c=%d", i, p_input->p->i_control,
1487                  i_lt, i_ct );
1488 */
1489         if( i_lt == i_ct &&
1490             ( i_ct == INPUT_CONTROL_SET_STATE ||
1491               i_ct == INPUT_CONTROL_SET_RATE ||
1492               i_ct == INPUT_CONTROL_SET_POSITION ||
1493               i_ct == INPUT_CONTROL_SET_TIME ||
1494               i_ct == INPUT_CONTROL_SET_PROGRAM ||
1495               i_ct == INPUT_CONTROL_SET_TITLE ||
1496               i_ct == INPUT_CONTROL_SET_SEEKPOINT ||
1497               i_ct == INPUT_CONTROL_SET_BOOKMARK ) )
1498         {
1499             int j;
1500 //            msg_Dbg( p_input, "merged at %d", i );
1501             /* Remove the i-1 */
1502             for( j = i; j <  p_input->p->i_control; j++ )
1503                 p_input->p->control[j-1] = p_input->p->control[j];
1504             p_input->p->i_control--;
1505         }
1506         else
1507         {
1508             /* TODO but that's not that important
1509                 - merge SET_X with SET_X_CMD
1510                 - remove SET_SEEKPOINT/SET_POSITION/SET_TIME before a SET_TITLE
1511                 - remove SET_SEEKPOINT/SET_POSITION/SET_TIME before another among them
1512                 - ?
1513                 */
1514         }
1515     }
1516 }
1517
1518 static bool Control( input_thread_t *p_input, int i_type,
1519                            vlc_value_t val )
1520 {
1521     bool b_force_update = false;
1522
1523     if( !p_input ) return b_force_update;
1524
1525     switch( i_type )
1526     {
1527         case INPUT_CONTROL_SET_DIE:
1528             msg_Dbg( p_input, "control: stopping input" );
1529             /* Mark all submodules to die */
1530             if( p_input->p->input.p_access )
1531                 vlc_object_kill( p_input->p->input.p_access );
1532             if( p_input->p->input.p_stream )
1533                 vlc_object_kill( p_input->p->input.p_stream );
1534             vlc_object_kill( p_input->p->input.p_demux );
1535
1536             vlc_object_kill( p_input );
1537             break;
1538
1539         case INPUT_CONTROL_SET_POSITION:
1540         case INPUT_CONTROL_SET_POSITION_OFFSET:
1541         {
1542             double f_pos;
1543             if( i_type == INPUT_CONTROL_SET_POSITION )
1544             {
1545                 f_pos = val.f_float;
1546             }
1547             else
1548             {
1549                 /* Should not fail */
1550                 demux_Control( p_input->p->input.p_demux,
1551                                 DEMUX_GET_POSITION, &f_pos );
1552                 f_pos += val.f_float;
1553             }
1554             if( f_pos < 0.0 ) f_pos = 0.0;
1555             if( f_pos > 1.0 ) f_pos = 1.0;
1556             /* Reset the decoders states and clock sync (before calling the demuxer */
1557             input_EsOutChangePosition( p_input->p->p_es_out );
1558             if( demux_Control( p_input->p->input.p_demux, DEMUX_SET_POSITION,
1559                                 f_pos ) )
1560             {
1561                 msg_Err( p_input, "INPUT_CONTROL_SET_POSITION(_OFFSET) "
1562                          "%2.1f%% failed", f_pos * 100 );
1563             }
1564             else
1565             {
1566                 if( p_input->p->i_slave > 0 )
1567                     SlaveSeek( p_input );
1568
1569                 b_force_update = true;
1570             }
1571             break;
1572         }
1573
1574         case INPUT_CONTROL_SET_TIME:
1575         case INPUT_CONTROL_SET_TIME_OFFSET:
1576         {
1577             int64_t i_time;
1578             int i_ret;
1579
1580             if( i_type == INPUT_CONTROL_SET_TIME )
1581             {
1582                 i_time = val.i_time;
1583             }
1584             else
1585             {
1586                 /* Should not fail */
1587                 demux_Control( p_input->p->input.p_demux,
1588                                 DEMUX_GET_TIME, &i_time );
1589                 i_time += val.i_time;
1590             }
1591             if( i_time < 0 ) i_time = 0;
1592
1593             /* Reset the decoders states and clock sync (before calling the demuxer */
1594             input_EsOutChangePosition( p_input->p->p_es_out );
1595
1596             i_ret = demux_Control( p_input->p->input.p_demux,
1597                                     DEMUX_SET_TIME, i_time );
1598             if( i_ret )
1599             {
1600                 int64_t i_length;
1601
1602                 /* Emulate it with a SET_POS */
1603                 demux_Control( p_input->p->input.p_demux,
1604                                 DEMUX_GET_LENGTH, &i_length );
1605                 if( i_length > 0 )
1606                 {
1607                     double f_pos = (double)i_time / (double)i_length;
1608                     i_ret = demux_Control( p_input->p->input.p_demux,
1609                                             DEMUX_SET_POSITION, f_pos );
1610                 }
1611             }
1612             if( i_ret )
1613             {
1614                 msg_Warn( p_input, "INPUT_CONTROL_SET_TIME(_OFFSET) "I64Fd
1615                          " failed or not possible", i_time );
1616             }
1617             else
1618             {
1619                 if( p_input->p->i_slave > 0 )
1620                     SlaveSeek( p_input );
1621
1622                 b_force_update = true;
1623             }
1624             break;
1625         }
1626
1627         case INPUT_CONTROL_SET_STATE:
1628             if( ( val.i_int == PLAYING_S && p_input->i_state == PAUSE_S ) ||
1629                 ( val.i_int == PAUSE_S && p_input->i_state == PAUSE_S ) )
1630             {
1631                 int i_ret;
1632                 if( p_input->p->input.p_access )
1633                     i_ret = access_Control( p_input->p->input.p_access,
1634                                              ACCESS_SET_PAUSE_STATE, false );
1635                 else
1636                     i_ret = demux_Control( p_input->p->input.p_demux,
1637                                             DEMUX_SET_PAUSE_STATE, false );
1638
1639                 if( i_ret )
1640                 {
1641                     /* FIXME What to do ? */
1642                     msg_Warn( p_input, "cannot unset pause -> EOF" );
1643                     vlc_mutex_unlock( &p_input->p->lock_control );
1644                     input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
1645                     vlc_mutex_lock( &p_input->p->lock_control );
1646                 }
1647
1648                 b_force_update = true;
1649
1650                 /* Switch to play */
1651                 p_input->i_state = PLAYING_S;
1652                 val.i_int = PLAYING_S;
1653                 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1654
1655                 /* */
1656                 if( !i_ret )
1657                     input_EsOutChangeState( p_input->p->p_es_out );
1658             }
1659             else if( val.i_int == PAUSE_S && p_input->i_state == PLAYING_S &&
1660                      p_input->p->b_can_pause )
1661             {
1662                 int i_ret;
1663                 if( p_input->p->input.p_access )
1664                     i_ret = access_Control( p_input->p->input.p_access,
1665                                              ACCESS_SET_PAUSE_STATE, true );
1666                 else
1667                     i_ret = demux_Control( p_input->p->input.p_demux,
1668                                             DEMUX_SET_PAUSE_STATE, true );
1669
1670                 b_force_update = true;
1671
1672                 if( i_ret )
1673                 {
1674                     msg_Warn( p_input, "cannot set pause state" );
1675                     val.i_int = p_input->i_state;
1676                 }
1677                 else
1678                 {
1679                     val.i_int = PAUSE_S;
1680                 }
1681
1682                 /* Switch to new state */
1683                 p_input->i_state = val.i_int;
1684                 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1685
1686                 /* */
1687                 if( !i_ret )
1688                     input_EsOutChangeState( p_input->p->p_es_out );
1689             }
1690             else if( val.i_int == PAUSE_S && !p_input->p->b_can_pause )
1691             {
1692                 b_force_update = true;
1693
1694                 /* Correct "state" value */
1695                 val.i_int = p_input->i_state;
1696                 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1697             }
1698             else if( val.i_int != PLAYING_S && val.i_int != PAUSE_S )
1699             {
1700                 msg_Err( p_input, "invalid state in INPUT_CONTROL_SET_STATE" );
1701             }
1702             break;
1703
1704         case INPUT_CONTROL_SET_RATE:
1705         case INPUT_CONTROL_SET_RATE_SLOWER:
1706         case INPUT_CONTROL_SET_RATE_FASTER:
1707         {
1708             int i_rate;
1709
1710             if( i_type == INPUT_CONTROL_SET_RATE )
1711             {
1712                 i_rate = val.i_int;
1713             }
1714             else
1715             {
1716                 static const int ppi_factor[][2] = {
1717                     {1,64}, {1,32}, {1,16}, {1,8}, {1,4}, {1,3}, {1,2}, {2,3},
1718                     {1,1},
1719                     {3,2}, {2,1}, {3,1}, {4,1}, {8,1}, {16,1}, {32,1}, {64,1},
1720                     {0,0}
1721                 };
1722                 int i_error;
1723                 int i_idx;
1724                 int i;
1725
1726                 i_error = INT_MAX;
1727                 i_idx = -1;
1728                 for( i = 0; ppi_factor[i][0] != 0; i++ )
1729                 {
1730                     const int i_test_r = INPUT_RATE_DEFAULT * ppi_factor[i][0] / ppi_factor[i][1];
1731                     const int i_test_e = abs(p_input->p->i_rate - i_test_r);
1732                     if( i_test_e < i_error )
1733                     {
1734                         i_idx = i;
1735                         i_error = i_test_e;
1736                     }
1737                 }
1738                 assert( i_idx >= 0 && ppi_factor[i_idx][0] != 0 );
1739
1740                 if( i_type == INPUT_CONTROL_SET_RATE_SLOWER )
1741                 {
1742                     if( ppi_factor[i_idx+1][0] > 0 )
1743                         i_rate = INPUT_RATE_DEFAULT * ppi_factor[i_idx+1][0] / ppi_factor[i_idx+1][1];
1744                     else
1745                         i_rate = INPUT_RATE_MAX+1;
1746                 }
1747                 else
1748                 {
1749                     assert( i_type == INPUT_CONTROL_SET_RATE_FASTER );
1750                     if( i_idx > 0 )
1751                         i_rate = INPUT_RATE_DEFAULT * ppi_factor[i_idx-1][0] / ppi_factor[i_idx-1][1];
1752                     else
1753                         i_rate = INPUT_RATE_MIN-1;
1754                 }
1755             }
1756
1757             if( i_rate < INPUT_RATE_MIN )
1758             {
1759                 msg_Dbg( p_input, "cannot set rate faster" );
1760                 i_rate = INPUT_RATE_MIN;
1761             }
1762             else if( i_rate > INPUT_RATE_MAX )
1763             {
1764                 msg_Dbg( p_input, "cannot set rate slower" );
1765                 i_rate = INPUT_RATE_MAX;
1766             }
1767             if( i_rate != INPUT_RATE_DEFAULT &&
1768                 ( ( !p_input->b_can_pace_control && !p_input->p->b_can_rate_control ) ||
1769                   ( p_input->p->p_sout && !p_input->p->b_out_pace_control ) ) )
1770             {
1771                 msg_Dbg( p_input, "cannot change rate" );
1772                 i_rate = INPUT_RATE_DEFAULT;
1773             }
1774             if( i_rate != p_input->p->i_rate &&
1775                 !p_input->b_can_pace_control && p_input->p->b_can_rate_control )
1776             {
1777                 int i_ret;
1778                 if( p_input->p->input.p_access )
1779                     i_ret = VLC_EGENERIC;
1780                 else
1781                     i_ret = demux_Control( p_input->p->input.p_demux,
1782                                             DEMUX_SET_RATE, &i_rate );
1783                 if( i_ret )
1784                 {
1785                     msg_Warn( p_input, "ACCESS/DEMUX_SET_RATE failed" );
1786                     i_rate = p_input->p->i_rate;
1787                 }
1788             }
1789
1790             /* */
1791             if( i_rate != p_input->p->i_rate )
1792             {
1793                 val.i_int = i_rate;
1794                 var_Change( p_input, "rate", VLC_VAR_SETVALUE, &val, NULL );
1795                 var_SetBool( p_input, "rate-change", true );
1796
1797                 p_input->p->i_rate  = i_rate;
1798
1799                 /* FIXME do we need a RESET_PCR when !p_input->p->input.b_rescale_ts ? */
1800                 if( p_input->p->input.b_rescale_ts )
1801                     input_EsOutChangeRate( p_input->p->p_es_out, i_rate );
1802
1803                 b_force_update = true;
1804             }
1805             break;
1806         }
1807
1808         case INPUT_CONTROL_SET_PROGRAM:
1809             /* No need to force update, es_out does it if needed */
1810             es_out_Control( p_input->p->p_es_out,
1811                             ES_OUT_SET_GROUP, val.i_int );
1812
1813             demux_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, val.i_int,
1814                             NULL );
1815             break;
1816
1817         case INPUT_CONTROL_SET_ES:
1818             /* No need to force update, es_out does it if needed */
1819             es_out_Control( p_input->p->p_es_out, ES_OUT_SET_ES,
1820                             input_EsOutGetFromID( p_input->p->p_es_out,
1821                                                   val.i_int ) );
1822             break;
1823
1824         case INPUT_CONTROL_SET_AUDIO_DELAY:
1825             input_EsOutSetDelay( p_input->p->p_es_out,
1826                                  AUDIO_ES, val.i_time );
1827             var_Change( p_input, "audio-delay", VLC_VAR_SETVALUE, &val, NULL );
1828             break;
1829
1830         case INPUT_CONTROL_SET_SPU_DELAY:
1831             input_EsOutSetDelay( p_input->p->p_es_out,
1832                                  SPU_ES, val.i_time );
1833             var_Change( p_input, "spu-delay", VLC_VAR_SETVALUE, &val, NULL );
1834             break;
1835
1836         case INPUT_CONTROL_SET_TITLE:
1837         case INPUT_CONTROL_SET_TITLE_NEXT:
1838         case INPUT_CONTROL_SET_TITLE_PREV:
1839             if( p_input->p->input.b_title_demux &&
1840                 p_input->p->input.i_title > 0 )
1841             {
1842                 /* TODO */
1843                 /* FIXME handle demux title */
1844                 demux_t *p_demux = p_input->p->input.p_demux;
1845                 int i_title;
1846
1847                 if( i_type == INPUT_CONTROL_SET_TITLE_PREV )
1848                     i_title = p_demux->info.i_title - 1;
1849                 else if( i_type == INPUT_CONTROL_SET_TITLE_NEXT )
1850                     i_title = p_demux->info.i_title + 1;
1851                 else
1852                     i_title = val.i_int;
1853
1854                 if( i_title >= 0 && i_title < p_input->p->input.i_title )
1855                 {
1856                     input_EsOutChangePosition( p_input->p->p_es_out );
1857
1858                     demux_Control( p_demux, DEMUX_SET_TITLE, i_title );
1859                     input_ControlVarTitle( p_input, i_title );
1860                 }
1861             }
1862             else if( p_input->p->input.i_title > 0 )
1863             {
1864                 access_t *p_access = p_input->p->input.p_access;
1865                 int i_title;
1866
1867                 if( i_type == INPUT_CONTROL_SET_TITLE_PREV )
1868                     i_title = p_access->info.i_title - 1;
1869                 else if( i_type == INPUT_CONTROL_SET_TITLE_NEXT )
1870                     i_title = p_access->info.i_title + 1;
1871                 else
1872                     i_title = val.i_int;
1873
1874                 if( i_title >= 0 && i_title < p_input->p->input.i_title )
1875                 {
1876                     input_EsOutChangePosition( p_input->p->p_es_out );
1877
1878                     access_Control( p_access, ACCESS_SET_TITLE, i_title );
1879                     stream_AccessReset( p_input->p->input.p_stream );
1880                 }
1881             }
1882             break;
1883         case INPUT_CONTROL_SET_SEEKPOINT:
1884         case INPUT_CONTROL_SET_SEEKPOINT_NEXT:
1885         case INPUT_CONTROL_SET_SEEKPOINT_PREV:
1886             if( p_input->p->input.b_title_demux &&
1887                 p_input->p->input.i_title > 0 )
1888             {
1889                 demux_t *p_demux = p_input->p->input.p_demux;
1890                 int i_seekpoint;
1891                 int64_t i_input_time;
1892                 int64_t i_seekpoint_time;
1893
1894                 if( i_type == INPUT_CONTROL_SET_SEEKPOINT_PREV )
1895                 {
1896                     i_seekpoint = p_demux->info.i_seekpoint;
1897                     i_seekpoint_time = p_input->p->input.title[p_demux->info.i_title]->seekpoint[i_seekpoint]->i_time_offset;
1898                     if( i_seekpoint_time >= 0 &&
1899                          !demux_Control( p_demux,
1900                                           DEMUX_GET_TIME, &i_input_time ) )
1901                     {
1902                         if ( i_input_time < i_seekpoint_time + 3000000 )
1903                             i_seekpoint--;
1904                     }
1905                     else
1906                         i_seekpoint--;
1907                 }
1908                 else if( i_type == INPUT_CONTROL_SET_SEEKPOINT_NEXT )
1909                     i_seekpoint = p_demux->info.i_seekpoint + 1;
1910                 else
1911                     i_seekpoint = val.i_int;
1912
1913                 if( i_seekpoint >= 0 && i_seekpoint <
1914                     p_input->p->input.title[p_demux->info.i_title]->i_seekpoint )
1915                 {
1916
1917                     input_EsOutChangePosition( p_input->p->p_es_out );
1918
1919                     demux_Control( p_demux, DEMUX_SET_SEEKPOINT, i_seekpoint );
1920                 }
1921             }
1922             else if( p_input->p->input.i_title > 0 )
1923             {
1924                 demux_t *p_demux = p_input->p->input.p_demux;
1925                 access_t *p_access = p_input->p->input.p_access;
1926                 int i_seekpoint;
1927                 int64_t i_input_time;
1928                 int64_t i_seekpoint_time;
1929
1930                 if( i_type == INPUT_CONTROL_SET_SEEKPOINT_PREV )
1931                 {
1932                     i_seekpoint = p_access->info.i_seekpoint;
1933                     i_seekpoint_time = p_input->p->input.title[p_access->info.i_title]->seekpoint[i_seekpoint]->i_time_offset;
1934                     if( i_seekpoint_time >= 0 &&
1935                         demux_Control( p_demux,
1936                                         DEMUX_GET_TIME, &i_input_time ) )
1937                     {
1938                         if ( i_input_time < i_seekpoint_time + 3000000 )
1939                             i_seekpoint--;
1940                     }
1941                     else
1942                         i_seekpoint--;
1943                 }
1944                 else if( i_type == INPUT_CONTROL_SET_SEEKPOINT_NEXT )
1945                     i_seekpoint = p_access->info.i_seekpoint + 1;
1946                 else
1947                     i_seekpoint = val.i_int;
1948
1949                 if( i_seekpoint >= 0 && i_seekpoint <
1950                     p_input->p->input.title[p_access->info.i_title]->i_seekpoint )
1951                 {
1952                     input_EsOutChangePosition( p_input->p->p_es_out );
1953
1954                     access_Control( p_access, ACCESS_SET_SEEKPOINT,
1955                                     i_seekpoint );
1956                     stream_AccessReset( p_input->p->input.p_stream );
1957                 }
1958             }
1959             break;
1960
1961         case INPUT_CONTROL_ADD_SLAVE:
1962             if( val.psz_string )
1963             {
1964                 input_source_t *slave = InputSourceNew( p_input );
1965
1966                 if( !InputSourceInit( p_input, slave, val.psz_string, NULL ) )
1967                 {
1968                     vlc_meta_t *p_meta;
1969                     int64_t i_time;
1970
1971                     /* Add the slave */
1972                     msg_Dbg( p_input, "adding %s as slave on the fly",
1973                              val.psz_string );
1974
1975                     /* Set position */
1976                     if( demux_Control( p_input->p->input.p_demux,
1977                                         DEMUX_GET_TIME, &i_time ) )
1978                     {
1979                         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
1980                         InputSourceClean( slave );
1981                         free( slave );
1982                         break;
1983                     }
1984                     if( demux_Control( slave->p_demux,
1985                                         DEMUX_SET_TIME, i_time ) )
1986                     {
1987                         msg_Err( p_input, "seek failed for new slave" );
1988                         InputSourceClean( slave );
1989                         free( slave );
1990                         break;
1991                     }
1992
1993                     /* Get meta (access and demux) */
1994                     p_meta = vlc_meta_New();
1995                     access_Control( slave->p_access, ACCESS_GET_META,
1996                                      p_meta );
1997                     demux_Control( slave->p_demux, DEMUX_GET_META, p_meta );
1998                     InputUpdateMeta( p_input, p_meta );
1999
2000                     TAB_APPEND( p_input->p->i_slave, p_input->p->slave, slave );
2001                 }
2002                 else
2003                 {
2004                     free( slave );
2005                     msg_Warn( p_input, "failed to add %s as slave",
2006                               val.psz_string );
2007                 }
2008
2009                 free( val.psz_string );
2010             }
2011             break;
2012
2013         case INPUT_CONTROL_SET_BOOKMARK:
2014         default:
2015             msg_Err( p_input, "not yet implemented" );
2016             break;
2017     }
2018
2019     return b_force_update;
2020 }
2021
2022 /*****************************************************************************
2023  * UpdateFromDemux:
2024  *****************************************************************************/
2025 static int UpdateFromDemux( input_thread_t *p_input )
2026 {
2027     demux_t *p_demux = p_input->p->input.p_demux;
2028     vlc_value_t v;
2029
2030     if( p_demux->info.i_update & INPUT_UPDATE_TITLE )
2031     {
2032         v.i_int = p_demux->info.i_title;
2033         var_Change( p_input, "title", VLC_VAR_SETVALUE, &v, NULL );
2034
2035         input_ControlVarTitle( p_input, p_demux->info.i_title );
2036
2037         p_demux->info.i_update &= ~INPUT_UPDATE_TITLE;
2038     }
2039     if( p_demux->info.i_update & INPUT_UPDATE_SEEKPOINT )
2040     {
2041         v.i_int = p_demux->info.i_seekpoint;
2042         var_Change( p_input, "chapter", VLC_VAR_SETVALUE, &v, NULL);
2043
2044         p_demux->info.i_update &= ~INPUT_UPDATE_SEEKPOINT;
2045     }
2046     p_demux->info.i_update &= ~INPUT_UPDATE_SIZE;
2047
2048     /* Hmmm only works with master input */
2049     if( p_input->p->input.p_demux == p_demux )
2050     {
2051         int i_title_end = p_input->p->input.i_title_end -
2052             p_input->p->input.i_title_offset;
2053         int i_seekpoint_end = p_input->p->input.i_seekpoint_end -
2054             p_input->p->input.i_seekpoint_offset;
2055
2056         if( i_title_end >= 0 && i_seekpoint_end >= 0 )
2057         {
2058             if( p_demux->info.i_title > i_title_end ||
2059                 ( p_demux->info.i_title == i_title_end &&
2060                   p_demux->info.i_seekpoint > i_seekpoint_end ) ) return 0;
2061         }
2062         else if( i_seekpoint_end >=0 )
2063         {
2064             if( p_demux->info.i_seekpoint > i_seekpoint_end ) return 0;
2065         }
2066         else if( i_title_end >= 0 )
2067         {
2068             if( p_demux->info.i_title > i_title_end ) return 0;
2069         }
2070     }
2071
2072     return 1;
2073 }
2074
2075 /*****************************************************************************
2076  * UpdateFromAccess:
2077  *****************************************************************************/
2078 static int UpdateFromAccess( input_thread_t *p_input )
2079 {
2080     access_t *p_access = p_input->p->input.p_access;
2081     vlc_value_t v;
2082
2083     if( p_access->info.i_update & INPUT_UPDATE_TITLE )
2084     {
2085         v.i_int = p_access->info.i_title;
2086         var_Change( p_input, "title", VLC_VAR_SETVALUE, &v, NULL );
2087
2088         input_ControlVarTitle( p_input, p_access->info.i_title );
2089
2090         stream_AccessUpdate( p_input->p->input.p_stream );
2091
2092         p_access->info.i_update &= ~INPUT_UPDATE_TITLE;
2093     }
2094     if( p_access->info.i_update & INPUT_UPDATE_SEEKPOINT )
2095     {
2096         v.i_int = p_access->info.i_seekpoint;
2097         var_Change( p_input, "chapter", VLC_VAR_SETVALUE, &v, NULL);
2098         p_access->info.i_update &= ~INPUT_UPDATE_SEEKPOINT;
2099     }
2100     if( p_access->info.i_update & INPUT_UPDATE_META )
2101     {
2102         /* TODO maybe multi - access ? */
2103         vlc_meta_t *p_meta = vlc_meta_New();
2104         access_Control( p_input->p->input.p_access,ACCESS_GET_META, p_meta );
2105         InputUpdateMeta( p_input, p_meta );
2106         var_SetInteger( pl_Get( p_input ), "item-change", p_input->p->input.p_item->i_id );
2107         p_access->info.i_update &= ~INPUT_UPDATE_META;
2108     }
2109
2110     p_access->info.i_update &= ~INPUT_UPDATE_SIZE;
2111
2112     /* Hmmm only works with master input */
2113     if( p_input->p->input.p_access == p_access )
2114     {
2115         int i_title_end = p_input->p->input.i_title_end -
2116             p_input->p->input.i_title_offset;
2117         int i_seekpoint_end = p_input->p->input.i_seekpoint_end -
2118             p_input->p->input.i_seekpoint_offset;
2119
2120         if( i_title_end >= 0 && i_seekpoint_end >=0 )
2121         {
2122             if( p_access->info.i_title > i_title_end ||
2123                 ( p_access->info.i_title == i_title_end &&
2124                   p_access->info.i_seekpoint > i_seekpoint_end ) ) return 0;
2125         }
2126         else if( i_seekpoint_end >=0 )
2127         {
2128             if( p_access->info.i_seekpoint > i_seekpoint_end ) return 0;
2129         }
2130         else if( i_title_end >= 0 )
2131         {
2132             if( p_access->info.i_title > i_title_end ) return 0;
2133         }
2134     }
2135
2136     return 1;
2137 }
2138
2139 /*****************************************************************************
2140  * UpdateItemLength:
2141  *****************************************************************************/
2142 static void UpdateItemLength( input_thread_t *p_input, int64_t i_length )
2143 {
2144     input_item_SetDuration( p_input->p->input.p_item, (mtime_t) i_length );
2145
2146     if( !p_input->b_preparsing )
2147     {
2148         pl_Yield( p_input );
2149         var_SetInteger( pl_Get( p_input ), "item-change",
2150                         p_input->p->input.p_item->i_id );
2151         pl_Release( p_input );
2152     }
2153 }
2154
2155 /*****************************************************************************
2156  * InputSourceNew:
2157  *****************************************************************************/
2158 static input_source_t *InputSourceNew( input_thread_t *p_input )
2159 {
2160     input_source_t *in = (input_source_t*) malloc( sizeof( input_source_t ) );
2161
2162     if( !in )
2163     {
2164         msg_Err( p_input, "out of memory for new input source" );
2165         return NULL;
2166     }
2167
2168     in->p_item   = NULL;
2169     in->p_access = NULL;
2170     in->p_stream = NULL;
2171     in->p_demux  = NULL;
2172     in->b_title_demux = false;
2173     TAB_INIT( in->i_title, in->title );
2174     in->b_can_pause = true;
2175     in->b_can_pace_control = true;
2176     in->b_can_rate_control = true;
2177     in->b_rescale_ts = true;
2178     in->b_eof = false;
2179     in->f_fps = 0.0;
2180     in->i_cr_average = 0;
2181
2182     return in;
2183 }
2184
2185 /*****************************************************************************
2186  * InputSourceInit:
2187  *****************************************************************************/
2188 static int InputSourceInit( input_thread_t *p_input,
2189                             input_source_t *in, const char *psz_mrl,
2190                             const char *psz_forced_demux )
2191 {
2192     char psz_dup[strlen (psz_mrl) + 1];
2193     const char *psz_access;
2194     const char *psz_demux;
2195     char *psz_path;
2196     char *psz_tmp;
2197     char *psz;
2198     vlc_value_t val;
2199     double f_fps;
2200
2201     strcpy( psz_dup, psz_mrl );
2202
2203     if( !in ) return VLC_EGENERIC;
2204     if( !p_input ) return VLC_EGENERIC;
2205
2206     /* Split uri */
2207     MRLSplit( psz_dup, &psz_access, &psz_demux, &psz_path );
2208
2209     msg_Dbg( p_input, "`%s' gives access `%s' demux `%s' path `%s'",
2210              psz_mrl, psz_access, psz_demux, psz_path );
2211     if( !p_input->b_preparsing )
2212     {
2213         /* Hack to allow udp://@:port syntax */
2214         if( !psz_access ||
2215             (strncmp( psz_access, "udp", 3 ) &&
2216              strncmp( psz_access, "rtp", 3 )) )
2217         {
2218             /* Find optional titles and seekpoints */
2219             MRLSections( p_input, psz_path, &in->i_title_start, &in->i_title_end,
2220                      &in->i_seekpoint_start, &in->i_seekpoint_end );
2221         }
2222
2223         if( psz_forced_demux && *psz_forced_demux )
2224         {
2225             psz_demux = psz_forced_demux;
2226         }
2227         else if( *psz_demux == '\0' )
2228         {
2229             /* special hack for forcing a demuxer with --demux=module
2230              * (and do nothing with a list) */
2231             char *psz_var_demux = var_GetNonEmptyString( p_input, "demux" );
2232
2233             if( psz_var_demux != NULL &&
2234                 !strchr(psz_var_demux, ',' ) &&
2235                 !strchr(psz_var_demux, ':' ) )
2236             {
2237                 psz_demux = psz_var_demux;
2238
2239                 msg_Dbg( p_input, "enforced demux ` %s'", psz_demux );
2240             }
2241         }
2242
2243         /* Try access_demux if no demux given */
2244         if( *psz_demux == '\0' )
2245         {
2246             in->p_demux = demux_New( p_input, psz_access, psz_demux, psz_path,
2247                                       NULL, p_input->p->p_es_out, false );
2248         }
2249     }
2250     else
2251     {
2252         /* Preparsing is only for file:// */
2253         if( *psz_demux )
2254             goto error;
2255         if( !*psz_access ) /* path without scheme:// */
2256             psz_access = "file";
2257         if( strcmp( psz_access, "file" ) )
2258             goto error;
2259         msg_Dbg( p_input, "trying to pre-parse %s",  psz_path );
2260     }
2261
2262     if( in->p_demux )
2263     {
2264         int64_t i_pts_delay;
2265
2266         /* Get infos from access_demux */
2267         demux_Control( in->p_demux,
2268                         DEMUX_GET_PTS_DELAY, &i_pts_delay );
2269         p_input->i_pts_delay = __MAX( p_input->i_pts_delay, i_pts_delay );
2270
2271         in->b_title_demux = true;
2272         if( demux_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
2273                             &in->title, &in->i_title,
2274                             &in->i_title_offset, &in->i_seekpoint_offset ) )
2275         {
2276             in->i_title = 0;
2277             in->title   = NULL;
2278         }
2279         if( demux_Control( in->p_demux, DEMUX_CAN_CONTROL_PACE,
2280                             &in->b_can_pace_control ) )
2281             in->b_can_pace_control = false;
2282
2283         if( !in->b_can_pace_control )
2284         {
2285             if( demux_Control( in->p_demux, DEMUX_CAN_CONTROL_RATE,
2286                                 &in->b_can_rate_control, &in->b_rescale_ts ) )
2287             {
2288                 in->b_can_rate_control = false;
2289                 in->b_rescale_ts = true; /* not used */
2290             }
2291         }
2292         else
2293         {
2294             in->b_can_rate_control = true;
2295             in->b_rescale_ts = true;
2296         }
2297         if( demux_Control( in->p_demux, DEMUX_CAN_PAUSE,
2298                             &in->b_can_pause ) )
2299             in->b_can_pause = false;
2300         var_SetBool( p_input, "can-pause", in->b_can_pause );
2301
2302         int ret = demux_Control( in->p_demux, DEMUX_CAN_SEEK,
2303                         &val.b_bool );
2304         if( ret != VLC_SUCCESS )
2305             val.b_bool = false;
2306         var_Set( p_input, "seekable", val );
2307     }
2308     else
2309     {
2310         int64_t i_pts_delay;
2311
2312         input_ChangeState( p_input, OPENING_S );
2313
2314         /* Now try a real access */
2315         in->p_access = access_New( p_input, psz_access, psz_demux, psz_path );
2316
2317         /* Access failed, URL encoded ? */
2318         if( in->p_access == NULL && strchr( psz_path, '%' ) )
2319         {
2320             decode_URI( psz_path );
2321
2322             msg_Dbg( p_input, "retrying with access `%s' demux `%s' path `%s'",
2323                      psz_access, psz_demux, psz_path );
2324
2325             in->p_access = access_New( p_input,
2326                                         psz_access, psz_demux, psz_path );
2327         }
2328         if( in->p_access == NULL )
2329         {
2330             msg_Err( p_input, "open of `%s' failed: %s", psz_mrl,
2331                                                          msg_StackMsg() );
2332             intf_UserFatal( VLC_OBJECT( p_input), false,
2333                             _("Your input can't be opened"),
2334                             _("VLC is unable to open the MRL '%s'."
2335                             " Check the log for details."), psz_mrl );
2336             goto error;
2337         }
2338
2339         /* */
2340         psz_tmp = psz = var_GetNonEmptyString( p_input, "access-filter" );
2341         while( psz && *psz )
2342         {
2343             access_t *p_access = in->p_access;
2344             char *end = strchr( psz, ':' );
2345
2346             if( end )
2347                 *end++ = '\0';
2348
2349             in->p_access = access_FilterNew( in->p_access, psz );
2350             if( in->p_access == NULL )
2351             {
2352                 in->p_access = p_access;
2353                 msg_Warn( p_input, "failed to insert access filter %s",
2354                           psz );
2355             }
2356
2357             psz = end;
2358         }
2359         free( psz_tmp );
2360
2361         /* Get infos from access */
2362         if( !p_input->b_preparsing )
2363         {
2364             access_Control( in->p_access,
2365                              ACCESS_GET_PTS_DELAY, &i_pts_delay );
2366             p_input->i_pts_delay = __MAX( p_input->i_pts_delay, i_pts_delay );
2367
2368             in->b_title_demux = false;
2369             if( access_Control( in->p_access, ACCESS_GET_TITLE_INFO,
2370                                  &in->title, &in->i_title,
2371                                 &in->i_title_offset, &in->i_seekpoint_offset ) )
2372
2373             {
2374                 in->i_title = 0;
2375                 in->title   = NULL;
2376             }
2377             access_Control( in->p_access, ACCESS_CAN_CONTROL_PACE,
2378                              &in->b_can_pace_control );
2379             in->b_can_rate_control = in->b_can_pace_control;
2380             in->b_rescale_ts = true;
2381
2382             access_Control( in->p_access, ACCESS_CAN_PAUSE,
2383                              &in->b_can_pause );
2384             var_SetBool( p_input, "can-pause", in->b_can_pause );
2385             access_Control( in->p_access, ACCESS_CAN_SEEK,
2386                              &val.b_bool );
2387             var_Set( p_input, "seekable", val );
2388         }
2389
2390         input_ChangeState( p_input, BUFFERING_S );
2391
2392         /* Create the stream_t */
2393         in->p_stream = stream_AccessNew( in->p_access, p_input->b_preparsing );
2394         if( in->p_stream == NULL )
2395         {
2396             msg_Warn( p_input, "cannot create a stream_t from access" );
2397             goto error;
2398         }
2399
2400         /* Open a demuxer */
2401         if( *psz_demux == '\0' && *in->p_access->psz_demux )
2402         {
2403             psz_demux = in->p_access->psz_demux;
2404         }
2405
2406         {
2407             /* Take access redirections into account */
2408             char *psz_real_path;
2409             char *psz_buf = NULL;
2410             if( in->p_access->psz_path )
2411             {
2412                 const char *psz_a, *psz_d;
2413                 psz_buf = strdup( in->p_access->psz_path );
2414                 MRLSplit( psz_buf, &psz_a, &psz_d, &psz_real_path );
2415             }
2416             else
2417             {
2418                 psz_real_path = psz_path;
2419             }
2420             in->p_demux = demux_New( p_input, psz_access, psz_demux,
2421                                       psz_real_path,
2422                                       in->p_stream, p_input->p->p_es_out,
2423                                       p_input->b_preparsing );
2424             free( psz_buf );
2425         }
2426
2427         if( in->p_demux == NULL )
2428         {
2429             msg_Err( p_input, "no suitable demux module for `%s/%s://%s'",
2430                      psz_access, psz_demux, psz_path );
2431             intf_UserFatal( VLC_OBJECT( p_input ), false,
2432                             _("VLC can't recognize the input's format"),
2433                             _("The format of '%s' cannot be detected. "
2434                             "Have a look the log for details."), psz_mrl );
2435             goto error;
2436         }
2437
2438         /* Get title from demux */
2439         if( !p_input->b_preparsing && in->i_title <= 0 )
2440         {
2441             if( demux_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
2442                                 &in->title, &in->i_title,
2443                                 &in->i_title_offset, &in->i_seekpoint_offset ))
2444             {
2445                 TAB_INIT( in->i_title, in->title );
2446             }
2447             else
2448             {
2449                 in->b_title_demux = true;
2450             }
2451         }
2452     }
2453
2454     /* get attachment
2455      * FIXME improve for b_preparsing: move it after GET_META and check psz_arturl */
2456     if( 1 || !p_input->b_preparsing )
2457     {
2458         int i_attachment;
2459         input_attachment_t **attachment;
2460         if( !demux_Control( in->p_demux, DEMUX_GET_ATTACHMENTS,
2461                              &attachment, &i_attachment ) )
2462         {
2463             vlc_mutex_lock( &p_input->p->input.p_item->lock );
2464             AppendAttachment( &p_input->p->i_attachment, &p_input->p->attachment,
2465                               i_attachment, attachment );
2466             vlc_mutex_unlock( &p_input->p->input.p_item->lock );
2467         }
2468     }
2469     if( !demux_Control( in->p_demux, DEMUX_GET_FPS, &f_fps ) )
2470     {
2471         vlc_mutex_lock( &p_input->p->input.p_item->lock );
2472         in->f_fps = f_fps;
2473         vlc_mutex_unlock( &p_input->p->input.p_item->lock );
2474     }
2475
2476     if( var_GetInteger( p_input, "clock-synchro" ) != -1 )
2477         in->b_can_pace_control = !var_GetInteger( p_input, "clock-synchro" );
2478
2479     return VLC_SUCCESS;
2480
2481 error:
2482     input_ChangeState( p_input, ERROR_S );
2483
2484     if( in->p_demux )
2485         demux_Delete( in->p_demux );
2486
2487     if( in->p_stream )
2488         stream_Delete( in->p_stream );
2489
2490     if( in->p_access )
2491         access_Delete( in->p_access );
2492
2493     return VLC_EGENERIC;
2494 }
2495
2496 /*****************************************************************************
2497  * InputSourceClean:
2498  *****************************************************************************/
2499 static void InputSourceClean( input_source_t *in )
2500 {
2501     int i;
2502
2503     if( in->p_demux )
2504         demux_Delete( in->p_demux );
2505
2506     if( in->p_stream )
2507         stream_Delete( in->p_stream );
2508
2509     if( in->p_access )
2510         access_Delete( in->p_access );
2511
2512     if( in->i_title > 0 )
2513     {
2514         for( i = 0; i < in->i_title; i++ )
2515             vlc_input_title_Delete( in->title[i] );
2516         TAB_CLEAN( in->i_title, in->title );
2517     }
2518 }
2519
2520 static void SlaveDemux( input_thread_t *p_input )
2521 {
2522     int64_t i_time;
2523     int i;
2524
2525     if( demux_Control( p_input->p->input.p_demux, DEMUX_GET_TIME, &i_time ) )
2526     {
2527         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
2528         return;
2529     }
2530
2531     for( i = 0; i < p_input->p->i_slave; i++ )
2532     {
2533         input_source_t *in = p_input->p->slave[i];
2534         int i_ret = 1;
2535
2536         if( in->b_eof )
2537             continue;
2538
2539         if( demux_Control( in->p_demux, DEMUX_SET_NEXT_DEMUX_TIME, i_time ) )
2540         {
2541             for( ;; )
2542             {
2543                 int64_t i_stime;
2544                 if( demux_Control( in->p_demux, DEMUX_GET_TIME, &i_stime ) )
2545                 {
2546                     msg_Err( p_input, "slave[%d] doesn't like "
2547                              "DEMUX_GET_TIME -> EOF", i );
2548                     i_ret = 0;
2549                     break;
2550                 }
2551
2552                 if( i_stime >= i_time )
2553                     break;
2554
2555                 if( ( i_ret = in->p_demux->pf_demux( in->p_demux ) ) <= 0 )
2556                     break;
2557             }
2558         }
2559         else
2560         {
2561             i_ret = in->p_demux->pf_demux( in->p_demux );
2562         }
2563
2564         if( i_ret <= 0 )
2565         {
2566             msg_Dbg( p_input, "slave %d EOF", i );
2567             in->b_eof = true;
2568         }
2569     }
2570 }
2571
2572 static void SlaveSeek( input_thread_t *p_input )
2573 {
2574     int64_t i_time;
2575     int i;
2576
2577     if( !p_input ) return;
2578
2579     if( demux_Control( p_input->p->input.p_demux, DEMUX_GET_TIME, &i_time ) )
2580     {
2581         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
2582         return;
2583     }
2584
2585     for( i = 0; i < p_input->p->i_slave; i++ )
2586     {
2587         input_source_t *in = p_input->p->slave[i];
2588
2589         if( demux_Control( in->p_demux, DEMUX_SET_TIME, i_time ) )
2590         {
2591             msg_Err( p_input, "seek failed for slave %d -> EOF", i );
2592             in->b_eof = true;
2593         }
2594     }
2595 }
2596
2597 /*****************************************************************************
2598  * InputMetaUser:
2599  *****************************************************************************/
2600 static void InputMetaUser( input_thread_t *p_input, vlc_meta_t *p_meta )
2601 {
2602     vlc_value_t val;
2603
2604     if( !p_meta ) return;
2605
2606     /* Get meta information from user */
2607 #define GET_META( field, s ) \
2608     var_Get( p_input, (s), &val );  \
2609     if( *val.psz_string ) \
2610         vlc_meta_Set( p_meta, vlc_meta_ ## field, val.psz_string ); \
2611     free( val.psz_string )
2612
2613     GET_META( Title, "meta-title" );
2614     GET_META( Artist, "meta-artist" );
2615     GET_META( Genre, "meta-genre" );
2616     GET_META( Copyright, "meta-copyright" );
2617     GET_META( Description, "meta-description" );
2618     GET_META( Date, "meta-date" );
2619     GET_META( URL, "meta-url" );
2620 #undef GET_META
2621 }
2622
2623 /*****************************************************************************
2624  * InputUpdateMeta: merge p_item meta data with p_meta taking care of
2625  * arturl and locking issue.
2626  *****************************************************************************/
2627 static void InputUpdateMeta( input_thread_t *p_input, vlc_meta_t *p_meta )
2628 {
2629     input_item_t *p_item = p_input->p->input.p_item;
2630     char * psz_arturl = NULL;
2631     char *psz_title = NULL;
2632     int i;
2633     int i_arturl_event = false;
2634
2635     if( !p_meta )
2636         return;
2637
2638     psz_arturl = input_item_GetArtURL( p_item );
2639
2640     vlc_mutex_lock( &p_item->lock );
2641     if( vlc_meta_Get( p_meta, vlc_meta_Title ) && !p_item->b_fixed_name )
2642         psz_title = strdup( vlc_meta_Get( p_meta, vlc_meta_Title ) );
2643
2644     vlc_meta_Merge( p_item->p_meta, p_meta );
2645
2646     if( psz_arturl && *psz_arturl )
2647     {
2648         vlc_meta_Set( p_item->p_meta, vlc_meta_ArtworkURL, psz_arturl );
2649         i_arturl_event = true;
2650     }
2651
2652     vlc_meta_Delete( p_meta );
2653
2654     if( psz_arturl && !strncmp( psz_arturl, "attachment://", strlen("attachment") ) )
2655     {
2656         /* Don't look for art cover if sout
2657          * XXX It can change when sout has meta data support */
2658         if( p_input->p->p_sout && !p_input->b_preparsing )
2659         {
2660             vlc_meta_Set( p_item->p_meta, vlc_meta_ArtworkURL, "" );
2661             i_arturl_event = true;
2662
2663         }
2664         else
2665             input_ExtractAttachmentAndCacheArt( p_input );
2666     }
2667     free( psz_arturl );
2668
2669     /* A bit ugly */
2670     p_meta = NULL;
2671     if( vlc_dictionary_keys_count( &p_item->p_meta->extra_tags ) > 0 )
2672     {
2673         p_meta = vlc_meta_New();
2674         vlc_meta_Merge( p_meta, input_item_GetMetaObject( p_item ) );
2675     }
2676     vlc_mutex_unlock( &p_item->lock );
2677
2678     input_item_SetPreparsed( p_item, true );
2679
2680     if( i_arturl_event == true )
2681     {
2682         vlc_event_t event;
2683
2684         /* Notify interested third parties */
2685         event.type = vlc_InputItemMetaChanged;
2686         event.u.input_item_meta_changed.meta_type = vlc_meta_ArtworkURL;
2687         vlc_event_send( &p_item->event_manager, &event );
2688     }
2689
2690     if( psz_title )
2691     {
2692         input_Control( p_input, INPUT_SET_NAME, psz_title );
2693         free( psz_title );
2694     }
2695
2696     if( p_meta )
2697     {
2698         char ** ppsz_all_keys = vlc_dictionary_all_keys( &p_meta->extra_tags );
2699         for( i = 0; ppsz_all_keys[i]; i++ )
2700         {
2701             input_Control( p_input, INPUT_ADD_INFO, _(VLC_META_INFO_CAT), _(ppsz_all_keys[i]),
2702                     vlc_dictionary_value_for_key( &p_meta->extra_tags, ppsz_all_keys[i] ) );
2703             free( ppsz_all_keys[i] );
2704         }
2705         free( ppsz_all_keys );
2706         vlc_meta_Delete( p_meta );
2707     }
2708
2709     /** \todo handle sout meta */
2710 }
2711
2712
2713 static void AppendAttachment( int *pi_attachment, input_attachment_t ***ppp_attachment,
2714                               int i_new, input_attachment_t **pp_new )
2715 {
2716     int i_attachment = *pi_attachment;
2717     input_attachment_t **attachment = *ppp_attachment;
2718     int i;
2719
2720     attachment = realloc( attachment,
2721                           sizeof(input_attachment_t**) * ( i_attachment + i_new ) );
2722     for( i = 0; i < i_new; i++ )
2723         attachment[i_attachment++] = pp_new[i];
2724     free( pp_new );
2725
2726     /* */
2727     *pi_attachment = i_attachment;
2728     *ppp_attachment = attachment;
2729 }
2730
2731 static void AccessMeta( input_thread_t * p_input, vlc_meta_t *p_meta )
2732 {
2733     int i;
2734
2735     if( p_input->b_preparsing )
2736         return;
2737
2738     if( p_input->p->input.p_access )
2739         access_Control( p_input->p->input.p_access, ACCESS_GET_META,
2740                          p_meta );
2741
2742     /* Get meta data from slave input */
2743     for( i = 0; i < p_input->p->i_slave; i++ )
2744     {
2745         DemuxMeta( p_input, p_meta, p_input->p->slave[i]->p_demux );
2746         if( p_input->p->slave[i]->p_access )
2747         {
2748             access_Control( p_input->p->slave[i]->p_access,
2749                              ACCESS_GET_META, p_meta );
2750         }
2751     }
2752 }
2753
2754 static void DemuxMeta( input_thread_t *p_input, vlc_meta_t *p_meta, demux_t *p_demux )
2755 {
2756     bool b_bool;
2757     module_t *p_id3;
2758
2759
2760 #if 0
2761     /* XXX I am not sure it is a great idea, besides, there is more than that
2762      * if we want to do it right */
2763     vlc_mutex_lock( &p_item->lock );
2764     if( p_item->p_meta && (p_item->p_meta->i_status & ITEM_PREPARSED ) )
2765     {
2766         vlc_mutex_unlock( &p_item->lock );
2767         return;
2768     }
2769     vlc_mutex_unlock( &p_item->lock );
2770 #endif
2771
2772     demux_Control( p_demux, DEMUX_GET_META, p_meta );
2773     if( demux_Control( p_demux, DEMUX_HAS_UNSUPPORTED_META, &b_bool ) )
2774         return;
2775     if( !b_bool )
2776         return;
2777
2778     p_demux->p_private = malloc( sizeof( demux_meta_t ) );
2779     if(! p_demux->p_private )
2780         return;
2781
2782     p_id3 = module_Need( p_demux, "meta reader", NULL, 0 );
2783     if( p_id3 )
2784     {
2785         demux_meta_t *p_demux_meta = (demux_meta_t *)p_demux->p_private;
2786
2787         if( p_demux_meta->p_meta )
2788         {
2789             vlc_meta_Merge( p_meta, p_demux_meta->p_meta );
2790             vlc_meta_Delete( p_demux_meta->p_meta );
2791         }
2792
2793         if( p_demux_meta->i_attachments > 0 )
2794         {
2795             vlc_mutex_lock( &p_input->p->input.p_item->lock );
2796             AppendAttachment( &p_input->p->i_attachment, &p_input->p->attachment,
2797                               p_demux_meta->i_attachments, p_demux_meta->attachments );
2798             vlc_mutex_unlock( &p_input->p->input.p_item->lock );
2799         }
2800         module_Unneed( p_demux, p_id3 );
2801     }
2802     free( p_demux->p_private );
2803 }
2804
2805
2806 /*****************************************************************************
2807  * MRLSplit: parse the access, demux and url part of the
2808  *           Media Resource Locator.
2809  *****************************************************************************/
2810 void MRLSplit( char *psz_dup, const char **ppsz_access, const char **ppsz_demux,
2811                char **ppsz_path )
2812 {
2813     char *psz_access = NULL;
2814     char *psz_demux  = NULL;
2815     char *psz_path;
2816
2817     /* Either there is an access/demux specification before ://
2818      * or we have a plain local file path. */
2819     psz_path = strstr( psz_dup, "://" );
2820     if( psz_path != NULL )
2821     {
2822         *psz_path = '\0';
2823         psz_path += 3; /* skips "://" */
2824
2825         /* Separate access from demux (<access>/<demux>://<path>) */
2826         psz_access = psz_dup;
2827         psz_demux = strchr( psz_access, '/' );
2828         if( psz_demux )
2829             *psz_demux++ = '\0';
2830     }
2831     else
2832     {
2833         psz_path = psz_dup;
2834     }
2835
2836     *ppsz_access = psz_access ? psz_access : "";
2837     *ppsz_demux = psz_demux ? psz_demux : "";
2838     *ppsz_path = psz_path ? psz_path : "";
2839 }
2840
2841 /*****************************************************************************
2842  * MRLSections: parse title and seekpoint info from the Media Resource Locator.
2843  *
2844  * Syntax:
2845  * [url][@[title-start][:chapter-start][-[title-end][:chapter-end]]]
2846  *****************************************************************************/
2847 static void MRLSections( input_thread_t *p_input, char *psz_source,
2848                          int *pi_title_start, int *pi_title_end,
2849                          int *pi_chapter_start, int *pi_chapter_end )
2850 {
2851     char *psz, *psz_end, *psz_next, *psz_check;
2852
2853     *pi_title_start = *pi_title_end = -1;
2854     *pi_chapter_start = *pi_chapter_end = -1;
2855
2856     /* Start by parsing titles and chapters */
2857     if( !psz_source || !( psz = strrchr( psz_source, '@' ) ) ) return;
2858
2859     /* Check we are really dealing with a title/chapter section */
2860     psz_check = psz + 1;
2861     if( !*psz_check ) return;
2862     if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2863     if( *psz_check != ':' && *psz_check != '-' && *psz_check ) return;
2864     if( *psz_check == ':' && ++psz_check )
2865         if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2866     if( *psz_check != '-' && *psz_check ) return;
2867     if( *psz_check == '-' && ++psz_check )
2868         if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2869     if( *psz_check != ':' && *psz_check ) return;
2870     if( *psz_check == ':' && ++psz_check )
2871         if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2872     if( *psz_check ) return;
2873
2874     /* Separate start and end */
2875     *psz++ = 0;
2876     if( ( psz_end = strchr( psz, '-' ) ) ) *psz_end++ = 0;
2877
2878     /* Look for the start title */
2879     *pi_title_start = strtol( psz, &psz_next, 0 );
2880     if( !*pi_title_start && psz == psz_next ) *pi_title_start = -1;
2881     *pi_title_end = *pi_title_start;
2882     psz = psz_next;
2883
2884     /* Look for the start chapter */
2885     if( *psz ) psz++;
2886     *pi_chapter_start = strtol( psz, &psz_next, 0 );
2887     if( !*pi_chapter_start && psz == psz_next ) *pi_chapter_start = -1;
2888     *pi_chapter_end = *pi_chapter_start;
2889
2890     if( psz_end )
2891     {
2892         /* Look for the end title */
2893         *pi_title_end = strtol( psz_end, &psz_next, 0 );
2894         if( !*pi_title_end && psz_end == psz_next ) *pi_title_end = -1;
2895         psz_end = psz_next;
2896
2897         /* Look for the end chapter */
2898         if( *psz_end ) psz_end++;
2899         *pi_chapter_end = strtol( psz_end, &psz_next, 0 );
2900         if( !*pi_chapter_end && psz_end == psz_next ) *pi_chapter_end = -1;
2901     }
2902
2903     msg_Dbg( p_input, "source=`%s' title=%d/%d seekpoint=%d/%d",
2904              psz_source, *pi_title_start, *pi_chapter_start,
2905              *pi_title_end, *pi_chapter_end );
2906 }
2907
2908 /*****************************************************************************
2909  * input_AddSubtitles: add a subtitles file and enable it
2910  *****************************************************************************/
2911 bool input_AddSubtitles( input_thread_t *p_input, char *psz_subtitle,
2912                                bool b_check_extension )
2913 {
2914     input_source_t *sub;
2915     vlc_value_t count;
2916     vlc_value_t list;
2917     char *psz_path, *psz_extension;
2918
2919     if( b_check_extension && !subtitles_Filter( psz_subtitle ) )
2920     {
2921         return false;
2922     }
2923
2924     /* if we are provided a subtitle.sub file,
2925      * see if we don't have a subtitle.idx and use it instead */
2926     psz_path = strdup( psz_subtitle );
2927     if( psz_path )
2928     {
2929         psz_extension = strrchr( psz_path, '.');
2930         if( psz_extension && strcmp( psz_extension, ".sub" ) == 0 )
2931         {
2932             FILE *f;
2933
2934             strcpy( psz_extension, ".idx" );
2935             /* FIXME: a portable wrapper for stat() or access() would be more suited */
2936             if( ( f = utf8_fopen( psz_path, "rt" ) ) )
2937             {
2938                 fclose( f );
2939                 msg_Dbg( p_input, "using %s subtitles file instead of %s",
2940                          psz_path, psz_subtitle );
2941                 strcpy( psz_subtitle, psz_path );
2942             }
2943         }
2944         free( psz_path );
2945     }
2946
2947     var_Change( p_input, "spu-es", VLC_VAR_CHOICESCOUNT, &count, NULL );
2948
2949     sub = InputSourceNew( p_input );
2950     if( !InputSourceInit( p_input, sub, psz_subtitle, "subtitle" ) )
2951     {
2952         TAB_APPEND( p_input->p->i_slave, p_input->p->slave, sub );
2953
2954         /* Select the ES */
2955         if( !var_Change( p_input, "spu-es", VLC_VAR_GETLIST, &list, NULL ) )
2956         {
2957             if( count.i_int == 0 )
2958                 count.i_int++;
2959             /* if it was first one, there is disable too */
2960
2961             if( count.i_int < list.p_list->i_count )
2962             {
2963                 input_ControlPush( p_input, INPUT_CONTROL_SET_ES,
2964                                    &list.p_list->p_values[count.i_int] );
2965             }
2966             var_Change( p_input, "spu-es", VLC_VAR_FREELIST, &list, NULL );
2967         }
2968     }
2969     else free( sub );
2970
2971     return true;
2972 }