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

   1 /*****************************************************************************
   2  * input.c: input thread
   3  *****************************************************************************
   4  * Copyright (C) 1998-2004 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Christophe Massiot <massiot@via.ecp.fr>
   8  *          Laurent Aimar <fenrir@via.ecp.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <stdlib.h>
  29 #include <ctype.h>
  30
  31 #include <vlc/vlc.h>
  32
  33 #include "input_internal.h"
  34
  35 #include <vlc_sout.h>
  36 #include "../stream_output/stream_output.h"
  37
  38 #include <vlc_playlist.h>
  39 #include <vlc_interface.h>
  40 #include <vlc_url.h>
  41
  42 #include <vlc_charset.h>
  43
  44 #ifdef HAVE_SYS_STAT_H
  45 #   include <sys/stat.h>
  46 #endif
  47
  48 /*****************************************************************************
  49  * Local prototypes
  50  *****************************************************************************/
  51 static  int Run  ( input_thread_t *p_input );
  52 static  int RunAndClean  ( input_thread_t *p_input );
  53
  54 static input_thread_t * Create  ( vlc_object_t *, input_item_t *, char *,
  55                                   vlc_bool_t );
  56 static  int             Init    ( input_thread_t *p_input );
  57 static void             Error   ( input_thread_t *p_input );
  58 static void             End     ( input_thread_t *p_input );
  59 static void             MainLoop( input_thread_t *p_input );
  60
  61 static inline int ControlPopNoLock( input_thread_t *, int *, vlc_value_t * );
  62 static void       ControlReduce( input_thread_t * );
  63 static vlc_bool_t Control( input_thread_t *, int, vlc_value_t );
  64
  65 static int  UpdateFromAccess( input_thread_t * );
  66 static int  UpdateFromDemux( input_thread_t * );
  67 static int  UpdateMeta( input_thread_t * );
  68
  69 static void UpdateItemLength( input_thread_t *, int64_t i_length );
  70
  71 static void MRLSections( input_thread_t *, char *, int *, int *, int *, int *);
  72
  73 static input_source_t *InputSourceNew( input_thread_t *);
  74 static int  InputSourceInit( input_thread_t *, input_source_t *,
  75                              const char *, const char *psz_forced_demux );
  76 static void InputSourceClean( input_thread_t *, input_source_t * );
  77
  78 static void SlaveDemux( input_thread_t *p_input );
  79 static void SlaveSeek( input_thread_t *p_input );
  80
  81 static void InputMetaUser( input_thread_t *p_input );
  82
  83 /*****************************************************************************
  84  * This function creates a new input, and returns a pointer
  85  * to its description. On error, it returns NULL.
  86  *
  87  * Variables for _public_ use:
  88  * * Get and Set:
  89  *  - state
  90  *  - rate,rate-slower, rate-faster
  91  *  - position, position-offset
  92  *  - time, time-offset
  93  *  - title,title-next,title-prev
  94  *  - chapter,chapter-next, chapter-prev
  95  *  - program, audio-es, video-es, spu-es
  96  *  - audio-delay, spu-delay
  97  *  - bookmark
  98  * * Get only:
  99  *  - length
 100  *  - bookmarks
 101  *  - seekable (if you can seek, it doesn't say if 'bar display' has be shown or not, for that check position != 0.0)
 102  * * For intf callback upon changes
 103  *  - intf-change
 104  * TODO explain when Callback is called
 105  * TODO complete this list (?)
 106  *****************************************************************************/
 107 static input_thread_t *Create( vlc_object_t *p_parent, input_item_t *p_item,
 108                                char *psz_header, vlc_bool_t b_quick )
 109 {
 110     input_thread_t *p_input = NULL;                 /* thread descriptor */
 111     vlc_value_t val;
 112     int i;
 113
 114     /* Allocate descriptor */
 115     p_input = vlc_object_create( p_parent, VLC_OBJECT_INPUT );
 116     if( p_input == NULL )
 117     {
 118         msg_Err( p_parent, "out of memory" );
 119         return NULL;
 120     }
 121     MALLOC_NULL( p_input->p, input_thread_private_t );
 122
 123     /* One "randomly" selected input thread is responsible for computing
 124      * the global stats. Check if there is already someone doing this */
 125     if( p_input->p_libvlc->p_playlist->p_stats && !b_quick )
 126     {
 127         vlc_mutex_lock( &p_input->p_libvlc->p_playlist->p_stats->lock );
 128         if( p_input->p_libvlc->p_playlist->p_stats_computer == NULL )
 129         {
 130             p_input->p_libvlc->p_playlist->p_stats_computer = p_input;
 131         }
 132         vlc_mutex_unlock( &p_input->p_libvlc->p_playlist->p_stats->lock );
 133     }
 134
 135     p_input->b_preparsing = b_quick;
 136     p_input->psz_header = psz_header ? strdup( psz_header ) : NULL;
 137
 138     /* Init Common fields */
 139     p_input->b_eof = VLC_FALSE;
 140     p_input->p->b_can_pace_control = VLC_TRUE;
 141     p_input->p->i_start = 0;
 142     p_input->i_time  = 0;
 143     p_input->p->i_stop  = 0;
 144     p_input->p->i_title = 0;
 145     p_input->p->title   = NULL;
 146     p_input->p->i_title_offset = p_input->p->i_seekpoint_offset = 0;
 147     p_input->i_state = INIT_S;
 148     p_input->p->i_rate  = INPUT_RATE_DEFAULT;
 149     p_input->p->i_bookmark = 0;
 150     p_input->p->bookmark = NULL;
 151     p_input->p->p_meta  = NULL;
 152     p_input->p->p_es_out = NULL;
 153     p_input->p->p_sout  = NULL;
 154     p_input->p->b_out_pace_control = VLC_FALSE;
 155     p_input->i_pts_delay = 0;
 156
 157     /* Init Input fields */
 158     p_input->p->input.p_item = p_item;
 159     p_input->p->input.p_access = NULL;
 160     p_input->p->input.p_stream = NULL;
 161     p_input->p->input.p_demux  = NULL;
 162     p_input->p->input.b_title_demux = VLC_FALSE;
 163     p_input->p->input.i_title  = 0;
 164     p_input->p->input.title    = NULL;
 165     p_input->p->input.i_title_offset = p_input->p->input.i_seekpoint_offset = 0;
 166     p_input->p->input.b_can_pace_control = VLC_TRUE;
 167     p_input->p->input.b_eof = VLC_FALSE;
 168     p_input->p->input.i_cr_average = 0;
 169
 170     if( !p_input->p->input.p_item->p_meta )
 171         p_input->p->input.p_item->p_meta = vlc_meta_New();
 172
 173     if( !p_item->p_stats )
 174     {
 175         p_item->p_stats = (input_stats_t*)malloc( sizeof( input_stats_t ) );
 176         vlc_mutex_init( p_input, &p_item->p_stats->lock );
 177         stats_ReinitInputStats( p_item->p_stats );
 178     }
 179
 180     /* No slave */
 181     p_input->p->i_slave = 0;
 182     p_input->p->slave   = NULL;
 183
 184     /* Init control buffer */
 185     vlc_mutex_init( p_input, &p_input->p->lock_control );
 186     p_input->p->i_control = 0;
 187
 188     /* Parse input options */
 189     vlc_mutex_lock( &p_item->lock );
 190     for( i = 0; i < p_item->i_options; i++ )
 191     {
 192         var_OptionParse( p_input, p_item->ppsz_options[i] );
 193     }
 194     vlc_mutex_unlock( &p_item->lock );
 195
 196     /* Create Object Variables for private use only */
 197     input_ConfigVarInit( p_input );
 198
 199     /* Create Objects variables for public Get and Set */
 200     input_ControlVarInit( p_input );
 201     p_input->p->input.i_cr_average = var_GetInteger( p_input, "cr-average" );
 202
 203     if( !p_input->b_preparsing )
 204     {
 205         var_Get( p_input, "bookmarks", &val );
 206         if( val.psz_string )
 207         {
 208             /* FIXME: have a common cfg parsing routine used by sout and others */
 209             char *psz_parser, *psz_start, *psz_end;
 210             psz_parser = val.psz_string;
 211             while( (psz_start = strchr( psz_parser, '{' ) ) )
 212             {
 213                  seekpoint_t *p_seekpoint = vlc_seekpoint_New();
 214                  char backup;
 215                  psz_start++;
 216                  psz_end = strchr( psz_start, '}' );
 217                  if( !psz_end ) break;
 218                  psz_parser = psz_end + 1;
 219                  backup = *psz_parser;
 220                  *psz_parser = 0;
 221                  *psz_end = ',';
 222                  while( (psz_end = strchr( psz_start, ',' ) ) )
 223                  {
 224                      *psz_end = 0;
 225                      if( !strncmp( psz_start, "name=", 5 ) )
 226                      {
 227                          p_seekpoint->psz_name = psz_start + 5;
 228                      }
 229                      else if( !strncmp( psz_start, "bytes=", 6 ) )
 230                      {
 231                          p_seekpoint->i_byte_offset = atoll(psz_start + 6);
 232                      }
 233                      else if( !strncmp( psz_start, "time=", 5 ) )
 234                      {
 235                          p_seekpoint->i_time_offset = atoll(psz_start + 5) *
 236                                                         1000000;
 237                      }
 238                      psz_start = psz_end + 1;
 239                 }
 240                 msg_Dbg( p_input, "adding bookmark: %s, bytes="I64Fd", time="I64Fd,
 241                                   p_seekpoint->psz_name, p_seekpoint->i_byte_offset,
 242                                   p_seekpoint->i_time_offset );
 243                 input_Control( p_input, INPUT_ADD_BOOKMARK, p_seekpoint );
 244                 vlc_seekpoint_Delete( p_seekpoint );
 245                 *psz_parser = backup;
 246             }
 247             free( val.psz_string );
 248         }
 249     }
 250
 251     /* Remove 'Now playing' info as it is probably outdated */
 252     input_Control( p_input, INPUT_DEL_INFO, _(VLC_META_INFO_CAT),
 253                    VLC_META_NOW_PLAYING );     /* ? Don't translate as it might has been copied ? */
 254
 255     return p_input;
 256 }
 257
 258 /**
 259  * Initialize an input thread and run it. You will need to monitor the
 260  * thread to clean up after it is done
 261  *
 262  * \param p_parent a vlc_object
 263  * \param p_item an input item
 264  * \return a pointer to the spawned input thread
 265  */
 266 input_thread_t *__input_CreateThread( vlc_object_t *p_parent,
 267                                       input_item_t *p_item )
 268 {
 269     return __input_CreateThread2( p_parent, p_item, NULL );
 270 }
 271
 272 /* Gruik ! */
 273 input_thread_t *__input_CreateThread2( vlc_object_t *p_parent,
 274                                        input_item_t *p_item,
 275                                        char *psz_header )
 276 {
 277     input_thread_t *p_input = NULL;      /* thread descriptor */
 278
 279     p_input = Create( p_parent, p_item, psz_header, VLC_FALSE );
 280     if( !p_input )
 281         return NULL;
 282
 283     /* Now we can attach our new input */
 284     vlc_object_attach( p_input, p_parent );
 285
 286     /* Create thread and wait for its readiness. */
 287     if( vlc_thread_create( p_input, "input", Run,
 288                             VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
 289     {
 290         input_ChangeState( p_input, ERROR_S );
 291         msg_Err( p_input, "cannot create input thread" );
 292         vlc_object_detach( p_input );
 293         vlc_object_destroy( p_input );
 294         return NULL;
 295     }
 296
 297     return p_input;
 298 }
 299
 300 /**
 301  * Initialize an input thread and run it. This thread will clean after himself,
 302  * you can forget about it. It can work either in blocking or non-blocking mode
 303  *
 304  * \param p_parent a vlc_object
 305  * \param p_item an input item
 306  * \param b_block should we block until read is finished ?
 307  * \return the input object id if non blocking, an error code else
 308  */
 309 int __input_Read( vlc_object_t *p_parent, input_item_t *p_item,
 310                    vlc_bool_t b_block )
 311 {
 312     input_thread_t *p_input = NULL;         /* thread descriptor */
 313
 314     p_input = Create( p_parent, p_item, NULL, VLC_FALSE );
 315     if( !p_input )
 316         return VLC_EGENERIC;
 317
 318     /* Now we can attach our new input */
 319     vlc_object_attach( p_input, p_parent );
 320
 321     if( b_block )
 322     {
 323         RunAndClean( p_input );
 324         return VLC_SUCCESS;
 325     }
 326     else
 327     {
 328         if( vlc_thread_create( p_input, "input", RunAndClean,
 329                                VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
 330         {
 331             input_ChangeState( p_input, ERROR_S );
 332             msg_Err( p_input, "cannot create input thread" );
 333             vlc_object_detach( p_input );
 334             vlc_object_destroy( p_input );
 335             return VLC_EGENERIC;
 336         }
 337     }
 338     return p_input->i_object_id;
 339 }
 340
 341 /**
 342  * Initialize an input and initialize it to preparse the item
 343  * This function is blocking. It will only accept to parse files
 344  *
 345  * \param p_parent a vlc_object_t
 346  * \param p_item an input item
 347  * \return VLC_SUCCESS or an error
 348  */
 349 int __input_Preparse( vlc_object_t *p_parent, input_item_t *p_item )
 350 {
 351     input_thread_t *p_input = NULL;           /* thread descriptor */
 352
 353     /* Allocate descriptor */
 354     p_input = Create( p_parent, p_item, NULL, VLC_TRUE );
 355     if( !p_input )
 356         return VLC_EGENERIC;
 357
 358     p_input->i_flags |= OBJECT_FLAGS_QUIET;
 359     p_input->i_flags |= OBJECT_FLAGS_NOINTERACT;
 360
 361     /* Now we can attach our new input */
 362     vlc_object_attach( p_input, p_parent );
 363
 364     Init( p_input );
 365
 366     /* Clean up master */
 367     InputSourceClean( p_input, &p_input->p->input );
 368
 369     /* Unload all modules */
 370     if( p_input->p->p_es_out ) input_EsOutDelete( p_input->p->p_es_out );
 371
 372     vlc_object_detach( p_input );
 373     vlc_object_destroy( p_input );
 374
 375     return VLC_SUCCESS;
 376 }
 377
 378 /**
 379  * Request a running input thread to stop and die
 380  *
 381  * \param the input thread to stop
 382  */
 383 void input_StopThread( input_thread_t *p_input )
 384 {
 385     vlc_list_t *p_list;
 386     int i;
 387
 388     /* Set die for input */
 389     p_input->b_die = VLC_TRUE;
 390
 391     /* We cannot touch p_input fields directly (we come from another thread),
 392      * so use the vlc_object_find way, it's perfectly safe */
 393
 394     /* Set die for all access */
 395     p_list = vlc_list_find( p_input, VLC_OBJECT_ACCESS, FIND_CHILD );
 396     for( i = 0; i < p_list->i_count; i++ )
 397     {
 398         p_list->p_values[i].p_object->b_die = VLC_TRUE;
 399     }
 400     vlc_list_release( p_list );
 401
 402     /* Set die for all stream */
 403     p_list = vlc_list_find( p_input, VLC_OBJECT_STREAM, FIND_CHILD );
 404     for( i = 0; i < p_list->i_count; i++ )
 405     {
 406         p_list->p_values[i].p_object->b_die = VLC_TRUE;
 407     }
 408     vlc_list_release( p_list );
 409
 410     /* Set die for all demux */
 411     p_list = vlc_list_find( p_input, VLC_OBJECT_DEMUX, FIND_CHILD );
 412     for( i = 0; i < p_list->i_count; i++ )
 413     {
 414         p_list->p_values[i].p_object->b_die = VLC_TRUE;
 415     }
 416     vlc_list_release( p_list );
 417
 418     input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
 419 }
 420
 421 /**
 422  * Clean up a dead input thread
 423  * This function does not return until the thread is effectively cancelled.
 424  *
 425  * \param the input thread to kill
 426  */
 427 void input_DestroyThread( input_thread_t *p_input )
 428 {
 429     /* Join the thread */
 430     vlc_thread_join( p_input );
 431
 432     /* Delete input lock (only after thread joined) */
 433     vlc_mutex_destroy( &p_input->p->lock_control );
 434
 435     /* TODO: maybe input_DestroyThread should also delete p_input instead
 436      * of the playlist but I'm not sure if it's possible */
 437 }
 438
 439 /*****************************************************************************
 440  * Run: main thread loop
 441  * This is the "normal" thread that spawns the input processing chain,
 442  * reads the stream, cleans up and waits
 443  *****************************************************************************/
 444 static int Run( input_thread_t *p_input )
 445 {
 446     /* Signal that the thread is launched */
 447     vlc_thread_ready( p_input );
 448
 449     if( Init( p_input ) )
 450     {
 451         /* If we failed, wait before we are killed, and exit */
 452         p_input->b_error = VLC_TRUE;
 453         playlist_Signal( pl_Get( p_input ) );
 454
 455         Error( p_input );
 456
 457         /* Tell we're dead */
 458         p_input->b_dead = VLC_TRUE;
 459
 460         return 0;
 461     }
 462
 463     MainLoop( p_input );
 464
 465     if( !p_input->b_eof && !p_input->b_error && p_input->p->input.b_eof )
 466     {
 467         /* We have finish to demux data but not to play them */
 468         while( !p_input->b_die )
 469         {
 470             if( input_EsOutDecodersEmpty( p_input->p->p_es_out ) )
 471                 break;
 472
 473             msg_Dbg( p_input, "waiting decoder fifos to empty" );
 474
 475             msleep( INPUT_IDLE_SLEEP );
 476         }
 477
 478         /* We have finished */
 479         p_input->b_eof = VLC_TRUE;
 480         playlist_Signal( pl_Get( p_input ) );
 481     }
 482
 483     /* Wait until we are asked to die */
 484     if( !p_input->b_die )
 485     {
 486         Error( p_input );
 487     }
 488
 489     /* Clean up */
 490     End( p_input );
 491
 492     return 0;
 493 }
 494
 495 /*****************************************************************************
 496  * RunAndClean: main thread loop
 497  * This is the "just forget me" thread that spawns the input processing chain,
 498  * reads the stream, cleans up and releases memory
 499  *****************************************************************************/
 500 static int RunAndClean( input_thread_t *p_input )
 501 {
 502     /* Signal that the thread is launched */
 503     vlc_thread_ready( p_input );
 504
 505     if( Init( p_input ) )
 506     {
 507         /* If we failed, just exit */
 508         return 0;
 509     }
 510
 511     MainLoop( p_input );
 512
 513     if( !p_input->b_eof && !p_input->b_error && p_input->p->input.b_eof )
 514     {
 515         /* We have finished demuxing data but not playing it */
 516         while( !p_input->b_die )
 517         {
 518             if( input_EsOutDecodersEmpty( p_input->p->p_es_out ) )
 519                 break;
 520
 521             msg_Dbg( p_input, "waiting decoder fifos to empty" );
 522
 523             msleep( INPUT_IDLE_SLEEP );
 524         }
 525
 526         /* We have finished */
 527         p_input->b_eof = VLC_TRUE;
 528     }
 529
 530     /* Clean up */
 531     End( p_input );
 532
 533     /* Release memory */
 534     vlc_object_detach( p_input );
 535     vlc_object_destroy( p_input );
 536
 537     return 0;
 538 }
 539
 540 /*****************************************************************************
 541  * Main loop: Fill buffers from access, and demux
 542  *****************************************************************************/
 543 static void MainLoop( input_thread_t *p_input )
 544 {
 545     int64_t i_intf_update = 0;
 546     int i_updates = 0;
 547     while( !p_input->b_die && !p_input->b_error && !p_input->p->input.b_eof )
 548     {
 549         vlc_bool_t b_force_update = VLC_FALSE;
 550         int i_ret;
 551         int i_type;
 552         vlc_value_t val;
 553
 554         /* Do the read */
 555         if( p_input->i_state != PAUSE_S  )
 556         {
 557             if( p_input->p->i_stop <= 0 || p_input->i_time < p_input->p->i_stop )
 558                 i_ret=p_input->p->input.p_demux->pf_demux(p_input->p->input.p_demux);
 559             else
 560                 i_ret = 0;  /* EOF */
 561
 562             if( i_ret > 0 )
 563             {
 564                 /* TODO */
 565                 if( p_input->p->input.b_title_demux &&
 566                     p_input->p->input.p_demux->info.i_update )
 567                 {
 568                     i_ret = UpdateFromDemux( p_input );
 569                     b_force_update = VLC_TRUE;
 570                 }
 571                 else if( !p_input->p->input.b_title_demux &&
 572                           p_input->p->input.p_access &&
 573                           p_input->p->input.p_access->info.i_update )
 574                 {
 575                     i_ret = UpdateFromAccess( p_input );
 576                     b_force_update = VLC_TRUE;
 577                 }
 578             }
 579
 580             if( i_ret == 0 )    /* EOF */
 581             {
 582                 vlc_value_t repeat;
 583
 584                 var_Get( p_input, "input-repeat", &repeat );
 585                 if( repeat.i_int == 0 )
 586                 {
 587                     /* End of file - we do not set b_die because only the
 588                      * playlist is allowed to do so. */
 589                     input_ChangeState( p_input, END_S );
 590                     msg_Dbg( p_input, "EOF reached" );
 591                     p_input->p->input.b_eof = VLC_TRUE;
 592                 }
 593                 else
 594                 {
 595                     msg_Dbg( p_input, "repeating the same input (%d)",
 596                              repeat.i_int );
 597                     if( repeat.i_int > 0 )
 598                     {
 599                         repeat.i_int--;
 600                         var_Set( p_input, "input-repeat", repeat );
 601                     }
 602
 603                     /* Seek to start title/seekpoint */
 604                     val.i_int = p_input->p->input.i_title_start -
 605                         p_input->p->input.i_title_offset;
 606                     if( val.i_int < 0 || val.i_int >= p_input->p->input.i_title )
 607                         val.i_int = 0;
 608                     input_ControlPush( p_input,
 609                                        INPUT_CONTROL_SET_TITLE, &val );
 610
 611                     val.i_int = p_input->p->input.i_seekpoint_start -
 612                         p_input->p->input.i_seekpoint_offset;
 613                     if( val.i_int > 0 /* TODO: check upper boundary */ )
 614                         input_ControlPush( p_input,
 615                                            INPUT_CONTROL_SET_SEEKPOINT, &val );
 616
 617                     /* Seek to start position */
 618                     if( p_input->p->i_start > 0 )
 619                     {
 620                         val.i_time = p_input->p->i_start;
 621                         input_ControlPush( p_input, INPUT_CONTROL_SET_TIME,
 622                                            &val );
 623                     }
 624                     else
 625                     {
 626                         val.f_float = 0.0;
 627                         input_ControlPush( p_input, INPUT_CONTROL_SET_POSITION,
 628                                            &val );
 629                     }
 630                 }
 631             }
 632             else if( i_ret < 0 )
 633             {
 634                 p_input->b_error = VLC_TRUE;
 635             }
 636
 637             if( i_ret > 0 && p_input->p->i_slave > 0 )
 638             {
 639                 SlaveDemux( p_input );
 640             }
 641         }
 642         else
 643         {
 644             /* Small wait */
 645             msleep( 10*1000 );
 646         }
 647
 648         /* Handle control */
 649         vlc_mutex_lock( &p_input->p->lock_control );
 650         ControlReduce( p_input );
 651         while( !ControlPopNoLock( p_input, &i_type, &val ) )
 652         {
 653             msg_Dbg( p_input, "control type=%d", i_type );
 654             if( Control( p_input, i_type, val ) )
 655                 b_force_update = VLC_TRUE;
 656         }
 657         vlc_mutex_unlock( &p_input->p->lock_control );
 658
 659         if( b_force_update || i_intf_update < mdate() )
 660         {
 661             vlc_value_t val;
 662             double f_pos;
 663             int64_t i_time, i_length;
 664             /* update input status variables */
 665             if( !demux2_Control( p_input->p->input.p_demux,
 666                                  DEMUX_GET_POSITION, &f_pos ) )
 667             {
 668                 val.f_float = (float)f_pos;
 669                 var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
 670             }
 671             if( !demux2_Control( p_input->p->input.p_demux,
 672                                  DEMUX_GET_TIME, &i_time ) )
 673             {
 674                 p_input->i_time = i_time;
 675                 val.i_time = i_time;
 676                 var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
 677             }
 678             if( !demux2_Control( p_input->p->input.p_demux,
 679                                  DEMUX_GET_LENGTH, &i_length ) )
 680             {
 681                 vlc_value_t old_val;
 682                 var_Get( p_input, "length", &old_val );
 683                 val.i_time = i_length;
 684                 var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
 685
 686                 if( old_val.i_time != val.i_time )
 687                 {
 688                     UpdateItemLength( p_input, i_length );
 689                 }
 690             }
 691
 692             var_SetBool( p_input, "intf-change", VLC_TRUE );
 693             i_intf_update = mdate() + I64C(150000);
 694         }
 695         /* 150ms * 8 = ~ 1 second */
 696         if( ++i_updates % 8 == 0 )
 697         {
 698             stats_ComputeInputStats( p_input, p_input->p->input.p_item->p_stats );
 699             /* Are we the thread responsible for computing global stats ? */
 700             if( p_input->p_libvlc->p_playlist->p_stats_computer == p_input )
 701             {
 702                 stats_ComputeGlobalStats( p_input->p_libvlc->p_playlist,
 703                                      p_input->p_libvlc->p_playlist->p_stats );
 704             }
 705         }
 706     }
 707 }
 708
 709 static int Init( input_thread_t * p_input )
 710 {
 711     char *psz;
 712     char *psz_subtitle;
 713     vlc_value_t val;
 714     double f_fps;
 715     vlc_meta_t *p_meta;
 716     int i_es_out_mode;
 717     int i, i_delay;
 718
 719     /* Initialize optional stream output. (before access/demuxer)
 720      * XXX: we add a special case if the uri starts by vlc.
 721      * else 'vlc in.file --sout "" vlc:quit'  cannot work (the output will
 722      * be destroyed in case of a file).
 723      * (this will break playing of file starting by 'vlc:' but I don't
 724      * want to add more logic, just force file by file:// or code it ;)
 725      */
 726     memset( &p_input->p->counters, 0, sizeof( p_input->p->counters ) );
 727     vlc_mutex_init( p_input, &p_input->p->counters.counters_lock );
 728
 729     if( !p_input->b_preparsing )
 730     {
 731         /* Prepare statistics */
 732 #define INIT_COUNTER( c, type, compute ) p_input->p->counters.p_##c = \
 733      stats_CounterCreate( p_input, VLC_VAR_##type, STATS_##compute);
 734         if( p_input->p_libvlc->b_stats )
 735         {
 736             INIT_COUNTER( read_bytes, INTEGER, COUNTER );
 737             INIT_COUNTER( read_packets, INTEGER, COUNTER );
 738             INIT_COUNTER( demux_read, INTEGER, COUNTER );
 739             INIT_COUNTER( input_bitrate, FLOAT, DERIVATIVE );
 740             INIT_COUNTER( demux_bitrate, FLOAT, DERIVATIVE );
 741             INIT_COUNTER( played_abuffers, INTEGER, COUNTER );
 742             INIT_COUNTER( lost_abuffers, INTEGER, COUNTER );
 743             INIT_COUNTER( displayed_pictures, INTEGER, COUNTER );
 744             INIT_COUNTER( lost_pictures, INTEGER, COUNTER );
 745             INIT_COUNTER( decoded_audio, INTEGER, COUNTER );
 746             INIT_COUNTER( decoded_video, INTEGER, COUNTER );
 747             INIT_COUNTER( decoded_sub, INTEGER, COUNTER );
 748             p_input->p->counters.p_sout_send_bitrate = NULL;
 749             p_input->p->counters.p_sout_sent_packets = NULL;
 750             p_input->p->counters.p_sout_sent_bytes = NULL;
 751             if( p_input->p->counters.p_demux_bitrate )
 752                 p_input->p->counters.p_demux_bitrate->update_interval = 1000000;
 753             if( p_input->p->counters.p_input_bitrate )
 754                 p_input->p->counters.p_input_bitrate->update_interval = 1000000;
 755         }
 756
 757         /* handle sout */
 758         psz = var_GetString( p_input, "sout" );
 759         if( *psz && strncasecmp( p_input->p->input.p_item->psz_uri, "vlc:", 4 ) )
 760         {
 761             p_input->p->p_sout = sout_NewInstance( p_input, psz );
 762             if( p_input->p->p_sout == NULL )
 763             {
 764                 input_ChangeState( p_input, ERROR_S );
 765                 msg_Err( p_input, "cannot start stream output instance, " \
 766                                   "aborting" );
 767                 free( psz );
 768                 return VLC_EGENERIC;
 769             }
 770             if( p_input->p_libvlc->b_stats )
 771             {
 772                 INIT_COUNTER( sout_sent_packets, INTEGER, COUNTER );
 773                 INIT_COUNTER (sout_sent_bytes, INTEGER, COUNTER );
 774                 INIT_COUNTER( sout_send_bitrate, FLOAT, DERIVATIVE );
 775                 if( p_input->p->counters.p_sout_send_bitrate )
 776                      p_input->p->counters.p_sout_send_bitrate->update_interval =
 777                              1000000;
 778             }
 779         }
 780         free( psz );
 781     }
 782
 783     /* Create es out */
 784     p_input->p->p_es_out = input_EsOutNew( p_input );
 785     es_out_Control( p_input->p->p_es_out, ES_OUT_SET_ACTIVE, VLC_FALSE );
 786     es_out_Control( p_input->p->p_es_out, ES_OUT_SET_MODE, ES_OUT_MODE_NONE );
 787
 788     var_Create( p_input, "bit-rate", VLC_VAR_INTEGER );
 789     var_Create( p_input, "sample-rate", VLC_VAR_INTEGER );
 790
 791     if( InputSourceInit( p_input, &p_input->p->input,
 792                          p_input->p->input.p_item->psz_uri, NULL ) )
 793     {
 794         goto error;
 795     }
 796
 797     /* Create global title (from master) */
 798     if( !p_input->b_preparsing )
 799     {
 800         p_input->p->i_title = p_input->p->input.i_title;
 801         p_input->p->title   = p_input->p->input.title;
 802         p_input->p->i_title_offset = p_input->p->input.i_title_offset;
 803         p_input->p->i_seekpoint_offset = p_input->p->input.i_seekpoint_offset;
 804         if( p_input->p->i_title > 0 )
 805         {
 806             /* Setup variables */
 807             input_ControlVarNavigation( p_input );
 808             input_ControlVarTitle( p_input, 0 );
 809         }
 810
 811         /* Global flag */
 812         p_input->p->b_can_pace_control = p_input->p->input.b_can_pace_control;
 813         p_input->p->b_can_pause        = p_input->p->input.b_can_pause;
 814
 815         /* Fix pts delay */
 816         if( p_input->i_pts_delay < 0 )
 817             p_input->i_pts_delay = 0;
 818
 819         /* If the desynchronisation requested by the user is < 0, we need to
 820          * cache more data. */
 821         var_Get( p_input, "audio-desync", &val );
 822         if( val.i_int < 0 ) p_input->i_pts_delay -= (val.i_int * 1000);
 823
 824         /* Update cr_average depending on the caching */
 825         p_input->p->input.i_cr_average *= (10 * p_input->i_pts_delay / 200000);
 826         p_input->p->input.i_cr_average /= 10;
 827         if( p_input->p->input.i_cr_average < 10 ) p_input->p->input.i_cr_average = 10;
 828     }
 829
 830     /* Load master infos */
 831     /* Init length */
 832     if( !demux2_Control( p_input->p->input.p_demux, DEMUX_GET_LENGTH,
 833                          &val.i_time ) && val.i_time > 0 )
 834     {
 835         var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
 836         UpdateItemLength( p_input, val.i_time );
 837         p_input->p->input.p_item->i_duration = val.i_time;
 838     }
 839
 840     /* Start title/chapter */
 841     if( !p_input->b_preparsing )
 842     {
 843         val.i_int = p_input->p->input.i_title_start -
 844                     p_input->p->input.i_title_offset;
 845         if( val.i_int > 0 && val.i_int < p_input->p->input.i_title )
 846             input_ControlPush( p_input, INPUT_CONTROL_SET_TITLE, &val );
 847         val.i_int = p_input->p->input.i_seekpoint_start -
 848                     p_input->p->input.i_seekpoint_offset;
 849         if( val.i_int > 0 /* TODO: check upper boundary */ )
 850             input_ControlPush( p_input, INPUT_CONTROL_SET_SEEKPOINT, &val );
 851
 852         /* Start time*/
 853         /* Set start time */
 854         p_input->p->i_start = (int64_t)var_GetInteger( p_input, "start-time" ) *
 855                            I64C(1000000);
 856         p_input->p->i_stop  = (int64_t)var_GetInteger( p_input, "stop-time" ) *
 857                            I64C(1000000);
 858
 859         if( p_input->p->i_start > 0 )
 860         {
 861             if( p_input->p->i_start >= val.i_time )
 862             {
 863                 msg_Warn( p_input, "invalid start-time ignored" );
 864             }
 865             else
 866             {
 867                 vlc_value_t s;
 868
 869                 msg_Dbg( p_input, "starting at time: %ds",
 870                                   (int)( p_input->p->i_start / I64C(1000000) ) );
 871
 872                 s.i_time = p_input->p->i_start;
 873                 input_ControlPush( p_input, INPUT_CONTROL_SET_TIME, &s );
 874             }
 875         }
 876         if( p_input->p->i_stop > 0 && p_input->p->i_stop <= p_input->p->i_start )
 877         {
 878             msg_Warn( p_input, "invalid stop-time ignored" );
 879             p_input->p->i_stop = 0;
 880         }
 881
 882         /* Load subtitles */
 883         /* Get fps and set it if not already set */
 884         if( !demux2_Control( p_input->p->input.p_demux, DEMUX_GET_FPS, &f_fps ) &&
 885             f_fps > 1.0 )
 886         {
 887             float f_requested_fps;
 888
 889             var_Create( p_input, "sub-original-fps", VLC_VAR_FLOAT );
 890             var_SetFloat( p_input, "sub-original-fps", f_fps );
 891
 892             f_requested_fps = var_CreateGetFloat( p_input, "sub-fps" );
 893             if( f_requested_fps != f_fps )
 894             {
 895                 var_Create( p_input, "sub-fps", VLC_VAR_FLOAT|
 896                                                 VLC_VAR_DOINHERIT );
 897                 var_SetFloat( p_input, "sub-fps", f_requested_fps );
 898             }
 899         }
 900
 901         i_delay = var_CreateGetInteger( p_input, "sub-delay" );
 902         if( i_delay != 0 )
 903         {
 904             var_SetTime( p_input, "spu-delay", (mtime_t)i_delay * 100000 );
 905         }
 906
 907         /* Look for and add subtitle files */
 908         psz_subtitle = var_GetString( p_input, "sub-file" );
 909         if( *psz_subtitle )
 910         {
 911             msg_Dbg( p_input, "forced subtitle: %s", psz_subtitle );
 912             input_AddSubtitles( p_input, psz_subtitle, VLC_FALSE );
 913         }
 914
 915         var_Get( p_input, "sub-autodetect-file", &val );
 916         if( val.b_bool )
 917         {
 918             char *psz_autopath = var_GetString( p_input, "sub-autodetect-path" );
 919             char **subs = subtitles_Detect( p_input, psz_autopath,
 920                                             p_input->p->input.p_item->psz_uri );
 921             input_source_t *sub;
 922             i = 0;
 923
 924             /* Try to autoselect the first autodetected subtitles file
 925              * if no subtitles file was specified */
 926             if( *psz_subtitle == 0 && subs && subs[0] )
 927             {
 928                 input_AddSubtitles( p_input, subs[0], VLC_FALSE );
 929                 free( subs[0] );
 930                 i = 1;
 931             }
 932
 933             /* Then, just add the following subtitles files */
 934             for( ; subs && subs[i]; i++ )
 935             {
 936                 if( strcmp( psz_subtitle, subs[i] ) )
 937                 {
 938                     sub = InputSourceNew( p_input );
 939                     if( !InputSourceInit( p_input, sub, subs[i], "subtitle" ) )
 940                     {
 941                         TAB_APPEND( p_input->p->i_slave, p_input->p->slave, sub );
 942                     }
 943                     else free( sub );
 944                 }
 945                 free( subs[i] );
 946             }
 947             if( subs ) free( subs );
 948             if( psz_autopath ) free( psz_autopath );
 949         }
 950         free( psz_subtitle );
 951
 952         /* Look for slave */
 953         psz = var_GetString( p_input, "input-slave" );
 954         if( *psz )
 955         {
 956             char *psz_delim;
 957             input_source_t *slave;
 958             while( psz && *psz )
 959             {
 960                 while( *psz == ' ' || *psz == '#' )
 961                 {
 962                     psz++;
 963                 }
 964                 if( ( psz_delim = strchr( psz, '#' ) ) )
 965                 {
 966                     *psz_delim++ = '\0';
 967                 }
 968                 if( *psz == 0 )
 969                 {
 970                     break;
 971                 }
 972
 973                 msg_Dbg( p_input, "adding slave input '%s'", psz );
 974                 slave = InputSourceNew( p_input );
 975                 if( !InputSourceInit( p_input, slave, psz, NULL ) )
 976                 {
 977                     TAB_APPEND( p_input->p->i_slave, p_input->p->slave, slave );
 978                 }
 979                 else free( slave );
 980                 psz = psz_delim;
 981             }
 982         }
 983         if( psz ) free( psz );
 984     }
 985     else
 986     {
 987         p_input->p->i_start = 0;
 988         p_input->p->i_start = 0;
 989     }
 990
 991     /* Set up es_out */
 992     if( !p_input->b_preparsing )
 993     {
 994         es_out_Control( p_input->p->p_es_out, ES_OUT_SET_ACTIVE, VLC_TRUE );
 995         i_es_out_mode = ES_OUT_MODE_AUTO;
 996         val.p_list = NULL;
 997         if( p_input->p->p_sout )
 998         {
 999             var_Get( p_input, "sout-all", &val );
1000             if ( val.b_bool )
1001             {
1002                 i_es_out_mode = ES_OUT_MODE_ALL;
1003                 val.p_list = NULL;
1004             }
1005             else
1006             {
1007                 var_Get( p_input, "programs", &val );
1008                 if ( val.p_list && val.p_list->i_count )
1009                 {
1010                     i_es_out_mode = ES_OUT_MODE_PARTIAL;
1011                     /* Note : we should remove the "program" callback. */
1012                 }
1013                 else
1014                     var_Change( p_input, "programs", VLC_VAR_FREELIST, &val,
1015                                 NULL );
1016             }
1017         }
1018         es_out_Control( p_input->p->p_es_out, ES_OUT_SET_MODE, i_es_out_mode );
1019
1020         /* Inform the demuxer about waited group (needed only for DVB) */
1021         if( i_es_out_mode == ES_OUT_MODE_ALL )
1022         {
1023             demux2_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, -1, NULL );
1024         }
1025         else if( i_es_out_mode == ES_OUT_MODE_PARTIAL )
1026         {
1027             demux2_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, -1,
1028                             val.p_list );
1029         }
1030         else
1031         {
1032             demux2_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP,
1033                            (int) var_GetInteger( p_input, "program" ), NULL );
1034         }
1035
1036         if( p_input->p->p_sout )
1037         {
1038             if( p_input->p->p_sout->i_out_pace_nocontrol > 0 )
1039             {
1040                 p_input->p->b_out_pace_control = VLC_FALSE;
1041             }
1042             else
1043             {
1044                 p_input->p->b_out_pace_control = VLC_TRUE;
1045             }
1046
1047             if( p_input->p->b_can_pace_control && p_input->p->b_out_pace_control )
1048             {
1049                 /* We don't want a high input priority here or we'll
1050                  * end-up sucking up all the CPU time */
1051                 vlc_thread_set_priority( p_input, VLC_THREAD_PRIORITY_LOW );
1052             }
1053
1054             msg_Dbg( p_input, "starting in %s mode",
1055                      p_input->p->b_out_pace_control ? "async" : "sync" );
1056         }
1057     }
1058
1059     p_meta = p_input->p->input.p_item->p_meta;
1060     /* Get meta data from users */
1061     InputMetaUser( p_input );
1062     /* Get meta data from master input */
1063     demux2_Control( p_input->p->input.p_demux, DEMUX_GET_META, p_meta );
1064
1065     /* Access_file does not give any meta, and there are no slave */
1066     if( !p_input->b_preparsing )
1067     {
1068         if( p_input->p->input.p_access )
1069             access2_Control( p_input->p->input.p_access, ACCESS_GET_META,
1070                              p_meta );
1071
1072         /* Get meta data from slave input */
1073         for( i = 0; i < p_input->p->i_slave; i++ )
1074         {
1075             demux2_Control( p_input->p->slave[i]->p_demux,
1076                             DEMUX_GET_META, p_meta );
1077             if( p_input->p->slave[i]->p_access )
1078             {
1079                 access2_Control( p_input->p->slave[i]->p_access,
1080                                  ACCESS_GET_META, p_meta );
1081             }
1082         }
1083     }
1084
1085     UpdateMeta( p_input );
1086
1087     if( !p_input->b_preparsing )
1088     {
1089         msg_Dbg( p_input, "`%s' successfully opened",
1090                  p_input->p->input.p_item->psz_uri );
1091
1092     }
1093
1094     /* initialization is complete */
1095     input_ChangeState( p_input, PLAYING_S );
1096
1097     return VLC_SUCCESS;
1098
1099 error:
1100     input_ChangeState( p_input, ERROR_S );
1101
1102     if( p_input->p->p_es_out )
1103         input_EsOutDelete( p_input->p->p_es_out );
1104
1105     if( p_input->p->p_sout )
1106         sout_DeleteInstance( p_input->p->p_sout );
1107
1108     /* Mark them deleted */
1109     p_input->p->input.p_demux = NULL;
1110     p_input->p->input.p_stream = NULL;
1111     p_input->p->input.p_access = NULL;
1112     p_input->p->p_es_out = NULL;
1113     p_input->p->p_sout = NULL;
1114
1115     return VLC_EGENERIC;
1116 }
1117
1118 /*****************************************************************************
1119  * Error: RunThread() error loop
1120  *****************************************************************************
1121  * This function is called when an error occurred during thread main's loop.
1122  *****************************************************************************/
1123 static void Error( input_thread_t *p_input )
1124 {
1125     while( !p_input->b_die )
1126     {
1127         /* Sleep a while */
1128         input_ChangeState( p_input, ERROR_S );
1129         msleep( INPUT_IDLE_SLEEP );
1130     }
1131 }
1132
1133 /*****************************************************************************
1134  * End: end the input thread
1135  *****************************************************************************/
1136 static void End( input_thread_t * p_input )
1137 {
1138     int i;
1139
1140     msg_Dbg( p_input, "closing input" );
1141
1142     /* We are at the end */
1143     input_ChangeState( p_input, END_S );
1144
1145     /* Clean control variables */
1146     input_ControlVarClean( p_input );
1147
1148     /* Clean up master */
1149     InputSourceClean( p_input, &p_input->p->input );
1150
1151     /* Delete slave */
1152     for( i = 0; i < p_input->p->i_slave; i++ )
1153     {
1154         InputSourceClean( p_input, p_input->p->slave[i] );
1155         free( p_input->p->slave[i] );
1156     }
1157     if( p_input->p->slave ) free( p_input->p->slave );
1158
1159     /* Unload all modules */
1160     if( p_input->p->p_es_out )
1161         input_EsOutDelete( p_input->p->p_es_out );
1162
1163 #define CL_CO( c ) stats_CounterClean( p_input->p->counters.p_##c ); p_input->p->counters.p_##c = NULL;
1164     if( p_input->p_libvlc->b_stats )
1165     {
1166         /* make sure we are up to date */
1167         stats_ComputeInputStats( p_input, p_input->p->input.p_item->p_stats );
1168         if( p_input->p_libvlc->p_playlist->p_stats_computer == p_input )
1169         {
1170             stats_ComputeGlobalStats( p_input->p_libvlc->p_playlist,
1171                                       p_input->p_libvlc->p_playlist->p_stats );
1172             p_input->p_libvlc->p_playlist->p_stats_computer = NULL;
1173         }
1174         CL_CO( read_bytes );
1175         CL_CO( read_packets );
1176         CL_CO( demux_read );
1177         CL_CO( input_bitrate );
1178         CL_CO( demux_bitrate );
1179         CL_CO( played_abuffers );
1180         CL_CO( lost_abuffers );
1181         CL_CO( displayed_pictures );
1182         CL_CO( lost_pictures );
1183         CL_CO( decoded_audio) ;
1184         CL_CO( decoded_video );
1185         CL_CO( decoded_sub) ;
1186         vlc_mutex_destroy( &p_input->p->counters.counters_lock );
1187     }
1188
1189     /* Close optional stream output instance */
1190     if( p_input->p->p_sout )
1191     {
1192         vlc_value_t keep;
1193
1194         CL_CO( sout_sent_packets );
1195         CL_CO( sout_sent_bytes );
1196         CL_CO( sout_send_bitrate );
1197
1198         if( var_Get( p_input, "sout-keep", &keep ) >= 0 && keep.b_bool )
1199         {
1200             /* attach sout to the playlist */
1201             msg_Dbg( p_input, "keeping sout" );
1202             vlc_object_detach( p_input->p->p_sout );
1203             vlc_object_attach( p_input->p->p_sout, p_input->p_libvlc->p_playlist );
1204         }
1205         else
1206         {
1207             msg_Dbg( p_input, "destroying sout" );
1208             sout_DeleteInstance( p_input->p->p_sout );
1209         }
1210     }
1211 #undef CL_CO
1212
1213     vlc_mutex_destroy( &p_input->p->counters.counters_lock );
1214
1215     /* Tell we're dead */
1216     p_input->b_dead = VLC_TRUE;
1217 }
1218
1219 /*****************************************************************************
1220  * Control
1221  *****************************************************************************/
1222 static inline int ControlPopNoLock( input_thread_t *p_input,
1223                                     int *pi_type, vlc_value_t *p_val )
1224 {
1225     if( p_input->p->i_control <= 0 )
1226     {
1227         return VLC_EGENERIC;
1228     }
1229
1230     *pi_type = p_input->p->control[0].i_type;
1231     *p_val   = p_input->p->control[0].val;
1232
1233     p_input->p->i_control--;
1234     if( p_input->p->i_control > 0 )
1235     {
1236         int i;
1237
1238         for( i = 0; i < p_input->p->i_control; i++ )
1239         {
1240             p_input->p->control[i].i_type = p_input->p->control[i+1].i_type;
1241             p_input->p->control[i].val    = p_input->p->control[i+1].val;
1242         }
1243     }
1244
1245     return VLC_SUCCESS;
1246 }
1247
1248 static void ControlReduce( input_thread_t *p_input )
1249 {
1250     int i;
1251
1252     if( !p_input )
1253         return;
1254
1255     for( i = 1; i < p_input->p->i_control; i++ )
1256     {
1257         const int i_lt = p_input->p->control[i-1].i_type;
1258         const int i_ct = p_input->p->control[i].i_type;
1259
1260         /* XXX We can't merge INPUT_CONTROL_SET_ES */
1261 /*        msg_Dbg( p_input, "[%d/%d] l=%d c=%d", i, p_input->p->i_control,
1262                  i_lt, i_ct );
1263 */
1264         if( i_lt == i_ct &&
1265             ( i_ct == INPUT_CONTROL_SET_STATE ||
1266               i_ct == INPUT_CONTROL_SET_RATE ||
1267               i_ct == INPUT_CONTROL_SET_POSITION ||
1268               i_ct == INPUT_CONTROL_SET_TIME ||
1269               i_ct == INPUT_CONTROL_SET_PROGRAM ||
1270               i_ct == INPUT_CONTROL_SET_TITLE ||
1271               i_ct == INPUT_CONTROL_SET_SEEKPOINT ||
1272               i_ct == INPUT_CONTROL_SET_BOOKMARK ) )
1273         {
1274             int j;
1275 //            msg_Dbg( p_input, "merged at %d", i );
1276             /* Remove the i-1 */
1277             for( j = i; j <  p_input->p->i_control; j++ )
1278                 p_input->p->control[j-1] = p_input->p->control[j];
1279             p_input->p->i_control--;
1280         }
1281         else
1282         {
1283             /* TODO but that's not that important
1284                 - merge SET_X with SET_X_CMD
1285                 - remove SET_SEEKPOINT/SET_POSITION/SET_TIME before a SET_TITLE
1286                 - remove SET_SEEKPOINT/SET_POSITION/SET_TIME before another among them
1287                 - ?
1288                 */
1289         }
1290     }
1291 }
1292
1293 static vlc_bool_t Control( input_thread_t *p_input, int i_type,
1294                            vlc_value_t val )
1295 {
1296     vlc_bool_t b_force_update = VLC_FALSE;
1297
1298     if( !p_input ) return b_force_update;
1299
1300     switch( i_type )
1301     {
1302         case INPUT_CONTROL_SET_DIE:
1303             msg_Dbg( p_input, "control: stopping input" );
1304             /* Mark all submodules to die */
1305             if( p_input->p->input.p_access )
1306                 p_input->p->input.p_access->b_die = VLC_TRUE;
1307             if( p_input->p->input.p_stream )
1308                 p_input->p->input.p_stream->b_die = VLC_TRUE;
1309             p_input->p->input.p_demux->b_die = VLC_TRUE;
1310
1311             p_input->b_die = VLC_TRUE;
1312             break;
1313
1314         case INPUT_CONTROL_SET_POSITION:
1315         case INPUT_CONTROL_SET_POSITION_OFFSET:
1316         {
1317             double f_pos;
1318             if( i_type == INPUT_CONTROL_SET_POSITION )
1319             {
1320                 f_pos = val.f_float;
1321             }
1322             else
1323             {
1324                 /* Should not fail */
1325                 demux2_Control( p_input->p->input.p_demux,
1326                                 DEMUX_GET_POSITION, &f_pos );
1327                 f_pos += val.f_float;
1328             }
1329             if( f_pos < 0.0 ) f_pos = 0.0;
1330             if( f_pos > 1.0 ) f_pos = 1.0;
1331             /* Reset the decoders states and clock sync (before calling the demuxer */
1332             es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1333             input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_FALSE );
1334             if( demux2_Control( p_input->p->input.p_demux, DEMUX_SET_POSITION,
1335                                 f_pos ) )
1336             {
1337                 msg_Err( p_input, "INPUT_CONTROL_SET_POSITION(_OFFSET) "
1338                          "%2.1f%% failed", f_pos * 100 );
1339             }
1340             else
1341             {
1342                 if( p_input->p->i_slave > 0 )
1343                     SlaveSeek( p_input );
1344
1345                 b_force_update = VLC_TRUE;
1346             }
1347             break;
1348         }
1349
1350         case INPUT_CONTROL_SET_TIME:
1351         case INPUT_CONTROL_SET_TIME_OFFSET:
1352         {
1353             int64_t i_time;
1354             int i_ret;
1355
1356             if( i_type == INPUT_CONTROL_SET_TIME )
1357             {
1358                 i_time = val.i_time;
1359             }
1360             else
1361             {
1362                 /* Should not fail */
1363                 demux2_Control( p_input->p->input.p_demux,
1364                                 DEMUX_GET_TIME, &i_time );
1365                 i_time += val.i_time;
1366             }
1367             if( i_time < 0 ) i_time = 0;
1368
1369             /* Reset the decoders states and clock sync (before calling the demuxer */
1370             es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1371             input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_FALSE );
1372
1373             i_ret = demux2_Control( p_input->p->input.p_demux,
1374                                     DEMUX_SET_TIME, i_time );
1375             if( i_ret )
1376             {
1377                 int64_t i_length;
1378
1379                 /* Emulate it with a SET_POS */
1380                 demux2_Control( p_input->p->input.p_demux,
1381                                 DEMUX_GET_LENGTH, &i_length );
1382                 if( i_length > 0 )
1383                 {
1384                     double f_pos = (double)i_time / (double)i_length;
1385                     i_ret = demux2_Control( p_input->p->input.p_demux,
1386                                             DEMUX_SET_POSITION, f_pos );
1387                 }
1388             }
1389             if( i_ret )
1390             {
1391                 msg_Warn( p_input, "INPUT_CONTROL_SET_TIME(_OFFSET) "I64Fd
1392                          " failed or not possible", i_time );
1393             }
1394             else
1395             {
1396                 if( p_input->p->i_slave > 0 )
1397                     SlaveSeek( p_input );
1398
1399                 b_force_update = VLC_TRUE;
1400             }
1401             break;
1402         }
1403
1404         case INPUT_CONTROL_SET_STATE:
1405             if( ( val.i_int == PLAYING_S && p_input->i_state == PAUSE_S ) ||
1406                 ( val.i_int == PAUSE_S && p_input->i_state == PAUSE_S ) )
1407             {
1408                 int i_ret;
1409                 if( p_input->p->input.p_access )
1410                     i_ret = access2_Control( p_input->p->input.p_access,
1411                                              ACCESS_SET_PAUSE_STATE, VLC_FALSE );
1412                 else
1413                     i_ret = demux2_Control( p_input->p->input.p_demux,
1414                                             DEMUX_SET_PAUSE_STATE, VLC_FALSE );
1415
1416                 if( i_ret )
1417                 {
1418                     /* FIXME What to do ? */
1419                     msg_Warn( p_input, "cannot unset pause -> EOF" );
1420                     vlc_mutex_unlock( &p_input->p->lock_control );
1421                     input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
1422                     vlc_mutex_lock( &p_input->p->lock_control );
1423                 }
1424
1425                 b_force_update = VLC_TRUE;
1426
1427                 /* Switch to play */
1428                 p_input->i_state = PLAYING_S;
1429                 val.i_int = PLAYING_S;
1430                 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1431
1432                 /* Reset clock */
1433                 es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1434                 input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_FALSE );
1435             }
1436             else if( val.i_int == PAUSE_S && p_input->i_state == PLAYING_S &&
1437                      p_input->p->b_can_pause )
1438             {
1439                 int i_ret;
1440                 if( p_input->p->input.p_access )
1441                     i_ret = access2_Control( p_input->p->input.p_access,
1442                                              ACCESS_SET_PAUSE_STATE, VLC_TRUE );
1443                 else
1444                     i_ret = demux2_Control( p_input->p->input.p_demux,
1445                                             DEMUX_SET_PAUSE_STATE, VLC_TRUE );
1446
1447                 b_force_update = VLC_TRUE;
1448
1449                 if( i_ret )
1450                 {
1451                     msg_Warn( p_input, "cannot set pause state" );
1452                     val.i_int = p_input->i_state;
1453                 }
1454                 else
1455                 {
1456                     val.i_int = PAUSE_S;
1457                 }
1458
1459                 /* Switch to new state */
1460                 p_input->i_state = val.i_int;
1461                 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1462             }
1463             else if( val.i_int == PAUSE_S && !p_input->p->b_can_pause )
1464             {
1465                 b_force_update = VLC_TRUE;
1466
1467                 /* Correct "state" value */
1468                 val.i_int = p_input->i_state;
1469                 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1470             }
1471             else if( val.i_int != PLAYING_S && val.i_int != PAUSE_S )
1472             {
1473                 msg_Err( p_input, "invalid state in INPUT_CONTROL_SET_STATE" );
1474             }
1475             break;
1476
1477         case INPUT_CONTROL_SET_RATE:
1478         case INPUT_CONTROL_SET_RATE_SLOWER:
1479         case INPUT_CONTROL_SET_RATE_FASTER:
1480         {
1481             int i_rate;
1482
1483             if( i_type == INPUT_CONTROL_SET_RATE_SLOWER )
1484                 i_rate = p_input->p->i_rate * 2;
1485             else if( i_type == INPUT_CONTROL_SET_RATE_FASTER )
1486                 i_rate = p_input->p->i_rate / 2;
1487             else
1488                 i_rate = val.i_int;
1489
1490             if( i_rate < INPUT_RATE_MIN )
1491             {
1492                 msg_Dbg( p_input, "cannot set rate faster" );
1493                 i_rate = INPUT_RATE_MIN;
1494             }
1495             else if( i_rate > INPUT_RATE_MAX )
1496             {
1497                 msg_Dbg( p_input, "cannot set rate slower" );
1498                 i_rate = INPUT_RATE_MAX;
1499             }
1500             if( i_rate != INPUT_RATE_DEFAULT &&
1501                 ( !p_input->p->b_can_pace_control ||
1502                   ( p_input->p->p_sout && !p_input->p->b_out_pace_control ) ) )
1503             {
1504                 msg_Dbg( p_input, "cannot change rate" );
1505                 i_rate = INPUT_RATE_DEFAULT;
1506             }
1507             if( i_rate != p_input->p->i_rate )
1508             {
1509                 p_input->p->i_rate  = i_rate;
1510                 val.i_int = i_rate;
1511                 var_Change( p_input, "rate", VLC_VAR_SETVALUE, &val, NULL );
1512
1513                 /* We haven't send data to decoder when rate != default */
1514                 if( i_rate == INPUT_RATE_DEFAULT )
1515                     input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_TRUE );
1516
1517                 /* Reset clock */
1518                 es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1519
1520                 b_force_update = VLC_TRUE;
1521             }
1522             break;
1523         }
1524
1525         case INPUT_CONTROL_SET_PROGRAM:
1526             /* No need to force update, es_out does it if needed */
1527             es_out_Control( p_input->p->p_es_out,
1528                             ES_OUT_SET_GROUP, val.i_int );
1529
1530             demux2_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, val.i_int,
1531                             NULL );
1532             break;
1533
1534         case INPUT_CONTROL_SET_ES:
1535             /* No need to force update, es_out does it if needed */
1536             es_out_Control( p_input->p->p_es_out, ES_OUT_SET_ES,
1537                             input_EsOutGetFromID( p_input->p->p_es_out,
1538                                                   val.i_int ) );
1539             break;
1540
1541         case INPUT_CONTROL_SET_AUDIO_DELAY:
1542             input_EsOutSetDelay( p_input->p->p_es_out,
1543                                  AUDIO_ES, val.i_time );
1544             var_Change( p_input, "audio-delay", VLC_VAR_SETVALUE, &val, NULL );
1545             break;
1546
1547         case INPUT_CONTROL_SET_SPU_DELAY:
1548             input_EsOutSetDelay( p_input->p->p_es_out,
1549                                  SPU_ES, val.i_time );
1550             var_Change( p_input, "spu-delay", VLC_VAR_SETVALUE, &val, NULL );
1551             break;
1552
1553         case INPUT_CONTROL_SET_TITLE:
1554         case INPUT_CONTROL_SET_TITLE_NEXT:
1555         case INPUT_CONTROL_SET_TITLE_PREV:
1556             if( p_input->p->input.b_title_demux &&
1557                 p_input->p->input.i_title > 0 )
1558             {
1559                 /* TODO */
1560                 /* FIXME handle demux title */
1561                 demux_t *p_demux = p_input->p->input.p_demux;
1562                 int i_title;
1563
1564                 if( i_type == INPUT_CONTROL_SET_TITLE_PREV )
1565                     i_title = p_demux->info.i_title - 1;
1566                 else if( i_type == INPUT_CONTROL_SET_TITLE_NEXT )
1567                     i_title = p_demux->info.i_title + 1;
1568                 else
1569                     i_title = val.i_int;
1570
1571                 if( i_title >= 0 && i_title < p_input->p->input.i_title )
1572                 {
1573                     input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_FALSE );
1574                     es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1575
1576                     demux2_Control( p_demux, DEMUX_SET_TITLE, i_title );
1577                     input_ControlVarTitle( p_input, i_title );
1578                 }
1579             }
1580             else if( p_input->p->input.i_title > 0 )
1581             {
1582                 access_t *p_access = p_input->p->input.p_access;
1583                 int i_title;
1584
1585                 if( i_type == INPUT_CONTROL_SET_TITLE_PREV )
1586                     i_title = p_access->info.i_title - 1;
1587                 else if( i_type == INPUT_CONTROL_SET_TITLE_NEXT )
1588                     i_title = p_access->info.i_title + 1;
1589                 else
1590                     i_title = val.i_int;
1591
1592                 if( i_title >= 0 && i_title < p_input->p->input.i_title )
1593                 {
1594                     input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_FALSE );
1595                     es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1596
1597                     access2_Control( p_access, ACCESS_SET_TITLE, i_title );
1598                     stream_AccessReset( p_input->p->input.p_stream );
1599                 }
1600             }
1601             break;
1602         case INPUT_CONTROL_SET_SEEKPOINT:
1603         case INPUT_CONTROL_SET_SEEKPOINT_NEXT:
1604         case INPUT_CONTROL_SET_SEEKPOINT_PREV:
1605             if( p_input->p->input.b_title_demux &&
1606                 p_input->p->input.i_title > 0 )
1607             {
1608                 demux_t *p_demux = p_input->p->input.p_demux;
1609                 int i_seekpoint;
1610                 int64_t i_input_time;
1611                 int64_t i_seekpoint_time;
1612
1613                 if( i_type == INPUT_CONTROL_SET_SEEKPOINT_PREV )
1614                 {
1615                     i_seekpoint = p_demux->info.i_seekpoint;
1616                     i_seekpoint_time = p_input->p->input.title[p_demux->info.i_title]->seekpoint[i_seekpoint]->i_time_offset;
1617                     if( i_seekpoint_time >= 0 &&
1618                          !demux2_Control( p_demux,
1619                                           DEMUX_GET_TIME, &i_input_time ) )
1620                     {
1621                         if ( i_input_time < i_seekpoint_time + 3000000 )
1622                             i_seekpoint--;
1623                     }
1624                     else
1625                         i_seekpoint--;
1626                 }
1627                 else if( i_type == INPUT_CONTROL_SET_SEEKPOINT_NEXT )
1628                     i_seekpoint = p_demux->info.i_seekpoint + 1;
1629                 else
1630                     i_seekpoint = val.i_int;
1631
1632                 if( i_seekpoint >= 0 && i_seekpoint <
1633                     p_input->p->input.title[p_demux->info.i_title]->i_seekpoint )
1634                 {
1635                     input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_FALSE );
1636                     es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1637
1638                     demux2_Control( p_demux, DEMUX_SET_SEEKPOINT, i_seekpoint );
1639                 }
1640             }
1641             else if( p_input->p->input.i_title > 0 )
1642             {
1643                 demux_t *p_demux = p_input->p->input.p_demux;
1644                 access_t *p_access = p_input->p->input.p_access;
1645                 int i_seekpoint;
1646                 int64_t i_input_time;
1647                 int64_t i_seekpoint_time;
1648
1649                 if( i_type == INPUT_CONTROL_SET_SEEKPOINT_PREV )
1650                 {
1651                     i_seekpoint = p_access->info.i_seekpoint;
1652                     i_seekpoint_time = p_input->p->input.title[p_access->info.i_title]->seekpoint[i_seekpoint]->i_time_offset;
1653                     if( i_seekpoint_time >= 0 &&
1654                         demux2_Control( p_demux,
1655                                         DEMUX_GET_TIME, &i_input_time ) )
1656                     {
1657                         if ( i_input_time < i_seekpoint_time + 3000000 )
1658                             i_seekpoint--;
1659                     }
1660                     else
1661                         i_seekpoint--;
1662                 }
1663                 else if( i_type == INPUT_CONTROL_SET_SEEKPOINT_NEXT )
1664                     i_seekpoint = p_access->info.i_seekpoint + 1;
1665                 else
1666                     i_seekpoint = val.i_int;
1667
1668                 if( i_seekpoint >= 0 && i_seekpoint <
1669                     p_input->p->input.title[p_access->info.i_title]->i_seekpoint )
1670                 {
1671                     input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_FALSE );
1672                     es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1673
1674                     access2_Control( p_access, ACCESS_SET_SEEKPOINT,
1675                                     i_seekpoint );
1676                     stream_AccessReset( p_input->p->input.p_stream );
1677                 }
1678             }
1679             break;
1680
1681         case INPUT_CONTROL_ADD_SLAVE:
1682             if( val.psz_string )
1683             {
1684                 input_source_t *slave = InputSourceNew( p_input );
1685
1686                 if( !InputSourceInit( p_input, slave, val.psz_string, NULL ) )
1687                 {
1688                     vlc_meta_t *p_meta = p_input->p->input.p_item->p_meta;
1689                     int64_t i_time;
1690
1691                     /* Add the slave */
1692                     msg_Dbg( p_input, "adding %s as slave on the fly",
1693                              val.psz_string );
1694
1695                     /* Set position */
1696                     if( demux2_Control( p_input->p->input.p_demux,
1697                                         DEMUX_GET_TIME, &i_time ) )
1698                     {
1699                         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
1700                         InputSourceClean( p_input, slave );
1701                         free( slave );
1702                         break;
1703                     }
1704                     if( demux2_Control( slave->p_demux,
1705                                         DEMUX_SET_TIME, i_time ) )
1706                     {
1707                         msg_Err( p_input, "seek failed for new slave" );
1708                         InputSourceClean( p_input, slave );
1709                         free( slave );
1710                         break;
1711                     }
1712
1713                     /* Get meta (access and demux) */
1714                     access2_Control( slave->p_access, ACCESS_GET_META,
1715                                      p_meta );
1716                     demux2_Control( slave->p_demux, DEMUX_GET_META, p_meta );
1717                     UpdateMeta( p_input );
1718
1719                     TAB_APPEND( p_input->p->i_slave, p_input->p->slave, slave );
1720                 }
1721                 else
1722                 {
1723                     free( slave );
1724                     msg_Warn( p_input, "failed to add %s as slave",
1725                               val.psz_string );
1726                 }
1727
1728                 free( val.psz_string );
1729             }
1730             break;
1731
1732         case INPUT_CONTROL_SET_BOOKMARK:
1733         default:
1734             msg_Err( p_input, "not yet implemented" );
1735             break;
1736     }
1737
1738     return b_force_update;
1739 }
1740
1741 /*****************************************************************************
1742  * UpdateFromDemux:
1743  *****************************************************************************/
1744 static int UpdateFromDemux( input_thread_t *p_input )
1745 {
1746     demux_t *p_demux = p_input->p->input.p_demux;
1747     vlc_value_t v;
1748
1749     if( p_demux->info.i_update & INPUT_UPDATE_TITLE )
1750     {
1751         v.i_int = p_demux->info.i_title;
1752         var_Change( p_input, "title", VLC_VAR_SETVALUE, &v, NULL );
1753
1754         input_ControlVarTitle( p_input, p_demux->info.i_title );
1755
1756         p_demux->info.i_update &= ~INPUT_UPDATE_TITLE;
1757     }
1758     if( p_demux->info.i_update & INPUT_UPDATE_SEEKPOINT )
1759     {
1760         v.i_int = p_demux->info.i_seekpoint;
1761         var_Change( p_input, "chapter", VLC_VAR_SETVALUE, &v, NULL);
1762
1763         p_demux->info.i_update &= ~INPUT_UPDATE_SEEKPOINT;
1764     }
1765     p_demux->info.i_update &= ~INPUT_UPDATE_SIZE;
1766
1767     /* Hmmm only works with master input */
1768     if( p_input->p->input.p_demux == p_demux )
1769     {
1770         int i_title_end = p_input->p->input.i_title_end -
1771             p_input->p->input.i_title_offset;
1772         int i_seekpoint_end = p_input->p->input.i_seekpoint_end -
1773             p_input->p->input.i_seekpoint_offset;
1774
1775         if( i_title_end >= 0 && i_seekpoint_end >= 0 )
1776         {
1777             if( p_demux->info.i_title > i_title_end ||
1778                 ( p_demux->info.i_title == i_title_end &&
1779                   p_demux->info.i_seekpoint > i_seekpoint_end ) ) return 0;
1780         }
1781         else if( i_seekpoint_end >=0 )
1782         {
1783             if( p_demux->info.i_seekpoint > i_seekpoint_end ) return 0;
1784         }
1785         else if( i_title_end >= 0 )
1786         {
1787             if( p_demux->info.i_title > i_title_end ) return 0;
1788         }
1789     }
1790
1791     return 1;
1792 }
1793
1794 /*****************************************************************************
1795  * UpdateFromAccess:
1796  *****************************************************************************/
1797 static int UpdateFromAccess( input_thread_t *p_input )
1798 {
1799     access_t *p_access = p_input->p->input.p_access;
1800     vlc_value_t v;
1801
1802     if( p_access->info.i_update & INPUT_UPDATE_TITLE )
1803     {
1804         v.i_int = p_access->info.i_title;
1805         var_Change( p_input, "title", VLC_VAR_SETVALUE, &v, NULL );
1806
1807         input_ControlVarTitle( p_input, p_access->info.i_title );
1808
1809         stream_AccessUpdate( p_input->p->input.p_stream );
1810
1811         p_access->info.i_update &= ~INPUT_UPDATE_TITLE;
1812     }
1813     if( p_access->info.i_update & INPUT_UPDATE_SEEKPOINT )
1814     {
1815         v.i_int = p_access->info.i_seekpoint;
1816         var_Change( p_input, "chapter", VLC_VAR_SETVALUE, &v, NULL);
1817         p_access->info.i_update &= ~INPUT_UPDATE_SEEKPOINT;
1818     }
1819     if( p_access->info.i_update & INPUT_UPDATE_META )
1820     {
1821         /* TODO maybe multi - access ? */
1822         vlc_meta_t *p_meta = p_input->p->input.p_item->p_meta;
1823         access2_Control( p_input->p->input.p_access,ACCESS_GET_META, p_meta );
1824         UpdateMeta( p_input );
1825         var_SetBool( p_input, "item-change", p_input->p->input.p_item->i_id );
1826         p_access->info.i_update &= ~INPUT_UPDATE_META;
1827     }
1828
1829     p_access->info.i_update &= ~INPUT_UPDATE_SIZE;
1830
1831     /* Hmmm only works with master input */
1832     if( p_input->p->input.p_access == p_access )
1833     {
1834         int i_title_end = p_input->p->input.i_title_end -
1835             p_input->p->input.i_title_offset;
1836         int i_seekpoint_end = p_input->p->input.i_seekpoint_end -
1837             p_input->p->input.i_seekpoint_offset;
1838
1839         if( i_title_end >= 0 && i_seekpoint_end >=0 )
1840         {
1841             if( p_access->info.i_title > i_title_end ||
1842                 ( p_access->info.i_title == i_title_end &&
1843                   p_access->info.i_seekpoint > i_seekpoint_end ) ) return 0;
1844         }
1845         else if( i_seekpoint_end >=0 )
1846         {
1847             if( p_access->info.i_seekpoint > i_seekpoint_end ) return 0;
1848         }
1849         else if( i_title_end >= 0 )
1850         {
1851             if( p_access->info.i_title > i_title_end ) return 0;
1852         }
1853     }
1854
1855     return 1;
1856 }
1857
1858 /*****************************************************************************
1859  * UpdateMeta:
1860  *****************************************************************************/
1861 static int  UpdateMeta( input_thread_t *p_input )
1862 {
1863     vlc_meta_t *p_meta = p_input->p->input.p_item->p_meta;
1864     if( !p_meta )
1865         return VLC_SUCCESS;
1866
1867     if( p_meta->psz_title && !p_input->p->input.p_item->b_fixed_name )
1868         input_Control( p_input, INPUT_SET_NAME, p_meta->psz_title );
1869
1870     /** \todo handle sout meta */
1871
1872     return VLC_SUCCESS;
1873 }
1874
1875 /*****************************************************************************
1876  * UpdateItemLength:
1877  *****************************************************************************/
1878 static void UpdateItemLength( input_thread_t *p_input, int64_t i_length )
1879 {
1880     vlc_mutex_lock( &p_input->p->input.p_item->lock );
1881     p_input->p->input.p_item->i_duration = i_length;
1882     vlc_mutex_unlock( &p_input->p->input.p_item->lock );
1883
1884     if( !p_input->b_preparsing )
1885     {
1886         pl_Yield( p_input );
1887         var_SetInteger( pl_Get( p_input ), "item-change",
1888                         p_input->p->input.p_item->i_id );
1889         pl_Release( p_input )
1890     }
1891 }
1892
1893 /*****************************************************************************
1894  * InputSourceNew:
1895  *****************************************************************************/
1896 static input_source_t *InputSourceNew( input_thread_t *p_input )
1897 {
1898     input_source_t *in = (input_source_t*) malloc( sizeof( input_source_t ) );
1899
1900     if( !in )
1901     {
1902         msg_Err( p_input, "out of memory for new input source" );
1903         return NULL;
1904     }
1905
1906     in->p_item   = NULL;
1907     in->p_access = NULL;
1908     in->p_stream = NULL;
1909     in->p_demux  = NULL;
1910     in->b_title_demux = VLC_FALSE;
1911     in->i_title  = 0;
1912     in->title    = NULL;
1913     in->b_can_pace_control = VLC_TRUE;
1914     in->b_eof = VLC_FALSE;
1915     in->i_cr_average = 0;
1916
1917     return in;
1918 }
1919
1920 /*****************************************************************************
1921  * InputSourceInit:
1922  *****************************************************************************/
1923 static int InputSourceInit( input_thread_t *p_input,
1924                             input_source_t *in, const char *psz_mrl,
1925                             const char *psz_forced_demux )
1926 {
1927     char psz_dup[strlen (psz_mrl) + 1];
1928     const char *psz_access;
1929     const char *psz_demux;
1930     char *psz_path;
1931     char *psz_tmp;
1932     char *psz;
1933     vlc_value_t val;
1934
1935     strcpy (psz_dup, psz_mrl);
1936
1937     if( !in ) return VLC_EGENERIC;
1938     if( !p_input ) return VLC_EGENERIC;
1939
1940     /* Split uri */
1941     if( !p_input->b_preparsing )
1942     {
1943         MRLSplit( VLC_OBJECT(p_input), psz_dup,
1944                   &psz_access, &psz_demux, &psz_path );
1945
1946         msg_Dbg( p_input, "`%s' gives access `%s' demux `%s' path `%s'",
1947                  psz_mrl, psz_access, psz_demux, psz_path );
1948
1949         /* Hack to allow udp://@:port syntax */
1950         if( !psz_access ||
1951             (strncmp( psz_access, "udp", 3 ) &&
1952              strncmp( psz_access, "rtp", 3 )) )
1953
1954         /* Find optional titles and seekpoints */
1955         MRLSections( p_input, psz_path, &in->i_title_start, &in->i_title_end,
1956                      &in->i_seekpoint_start, &in->i_seekpoint_end );
1957
1958         if( psz_forced_demux && *psz_forced_demux )
1959         {
1960             psz_demux = psz_forced_demux;
1961         }
1962         else if( !psz_demux || *psz_demux == '\0' )
1963         {
1964             /* special hack for forcing a demuxer with --demux=module
1965              * (and do nothing with a list) */
1966             char *psz_var_demux = var_GetString( p_input, "demux" );
1967
1968             if( *psz_var_demux != '\0' &&
1969                 !strchr(psz_var_demux, ',' ) &&
1970                 !strchr(psz_var_demux, ':' ) )
1971             {
1972                 psz_demux = psz_var_demux;
1973
1974                 msg_Dbg( p_input, "enforced demux ` %s'", psz_demux );
1975             }
1976             else if( psz_var_demux )
1977             {
1978                 free( psz_var_demux );
1979             }
1980         }
1981
1982         /* Try access_demux if no demux given */
1983         if( *psz_demux == '\0' )
1984         {
1985             in->p_demux = demux2_New( p_input, psz_access, psz_demux, psz_path,
1986                                       NULL, p_input->p->p_es_out, VLC_FALSE );
1987         }
1988     }
1989     else
1990     {
1991         psz_path = psz_dup;
1992         msg_Dbg( p_input, "trying to pre-parse %s",  psz_path );
1993         psz_demux = "";
1994         psz_access = "file";
1995     }
1996
1997     if( in->p_demux )
1998     {
1999         int64_t i_pts_delay;
2000
2001         /* Get infos from access_demux */
2002         demux2_Control( in->p_demux,
2003                         DEMUX_GET_PTS_DELAY, &i_pts_delay );
2004         p_input->i_pts_delay = __MAX( p_input->i_pts_delay, i_pts_delay );
2005
2006         in->b_title_demux = VLC_TRUE;
2007         if( demux2_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
2008                             &in->title, &in->i_title,
2009                             &in->i_title_offset, &in->i_seekpoint_offset ) )
2010         {
2011             in->i_title = 0;
2012             in->title   = NULL;
2013         }
2014         demux2_Control( in->p_demux, DEMUX_CAN_CONTROL_PACE,
2015                         &in->b_can_pace_control );
2016         demux2_Control( in->p_demux, DEMUX_CAN_PAUSE,
2017                         &in->b_can_pause );
2018
2019         /* FIXME todo
2020         demux2_Control( in->p_demux, DEMUX_CAN_SEEK,
2021                         &val.b_bool );
2022         */
2023     }
2024     else
2025     {
2026         int64_t i_pts_delay;
2027
2028         input_ChangeState( p_input, OPENING_S );
2029
2030         /* Now try a real access */
2031         in->p_access = access2_New( p_input, psz_access, psz_demux, psz_path,
2032                                     p_input->b_preparsing );
2033
2034         /* Access failed, URL encoded ? */
2035         if( in->p_access == NULL && strchr( psz_path, '%' ) )
2036         {
2037             decode_URI( psz_path );
2038
2039             msg_Dbg( p_input, "retrying with access `%s' demux `%s' path `%s'",
2040                      psz_access, psz_demux, psz_path );
2041
2042             in->p_access = access2_New( p_input,
2043                                         psz_access, psz_demux, psz_path,
2044                                         p_input->b_preparsing );
2045         }
2046 #ifndef WIN32      /* Remove this gross hack from the win32 build as colons
2047                         * are forbidden in filenames on Win32. */
2048
2049         /* Maybe we got something like: /Volumes/toto:titi/gabu.mpg */
2050         if( in->p_access == NULL &&
2051             *psz_access == '\0' && ( *psz_demux || *psz_path ) )
2052         {
2053             strcpy (psz_dup, psz_mrl);
2054             psz_access = "";
2055             if( psz_forced_demux && *psz_forced_demux )
2056             {
2057                 psz_demux = psz_forced_demux;
2058             }
2059             else psz_demux = "";
2060             psz_path = psz_dup;
2061
2062             in->p_access = access2_New( p_input,
2063                                         psz_access, psz_demux, psz_path,
2064                                         p_input->b_preparsing );
2065         }
2066 #endif
2067
2068         if( in->p_access == NULL )
2069         {
2070             msg_Err( p_input, "no suitable access module for `%s'", psz_mrl );
2071             intf_UserFatal( VLC_OBJECT( p_input), VLC_FALSE,
2072                             _("Your input can't be opened"),
2073                             _("VLC is unable to open the MRL '%s'."
2074                             " Check the log for details."), psz_mrl );
2075             goto error;
2076         }
2077
2078         /* */
2079         psz_tmp = psz = var_GetString( p_input, "access-filter" );
2080         while( psz && *psz )
2081         {
2082             access_t *p_access = in->p_access;
2083             char *end = strchr( psz, ':' );
2084
2085             if( end )
2086                 *end++ = '\0';
2087
2088             in->p_access = access2_FilterNew( in->p_access, psz );
2089             if( in->p_access == NULL )
2090             {
2091                 in->p_access = p_access;
2092                 msg_Warn( p_input, "failed to insert access filter %s",
2093                           psz );
2094             }
2095
2096             psz = end;
2097         }
2098         if( psz_tmp ) free( psz_tmp );
2099
2100         /* Get infos from access */
2101         if( !p_input->b_preparsing )
2102         {
2103             access2_Control( in->p_access,
2104                              ACCESS_GET_PTS_DELAY, &i_pts_delay );
2105             p_input->i_pts_delay = __MAX( p_input->i_pts_delay, i_pts_delay );
2106
2107             in->b_title_demux = VLC_FALSE;
2108             if( access2_Control( in->p_access, ACCESS_GET_TITLE_INFO,
2109                                  &in->title, &in->i_title,
2110                                 &in->i_title_offset, &in->i_seekpoint_offset ) )
2111
2112             {
2113                 in->i_title = 0;
2114                 in->title   = NULL;
2115             }
2116             access2_Control( in->p_access, ACCESS_CAN_CONTROL_PACE,
2117                              &in->b_can_pace_control );
2118             access2_Control( in->p_access, ACCESS_CAN_PAUSE,
2119                              &in->b_can_pause );
2120             access2_Control( in->p_access, ACCESS_CAN_SEEK,
2121                              &val.b_bool );
2122             var_Set( p_input, "seekable", val );
2123         }
2124
2125         input_ChangeState( p_input, BUFFERING_S );
2126
2127         /* Create the stream_t */
2128         in->p_stream = stream_AccessNew( in->p_access, p_input->b_preparsing );
2129         if( in->p_stream == NULL )
2130         {
2131             msg_Warn( p_input, "cannot create a stream_t from access" );
2132             goto error;
2133         }
2134
2135         /* Open a demuxer */
2136         if( *psz_demux == '\0' && *in->p_access->psz_demux )
2137         {
2138             psz_demux = in->p_access->psz_demux;
2139         }
2140         in->p_demux = demux2_New( p_input, psz_access, psz_demux, psz_path,
2141                                   in->p_stream, p_input->p->p_es_out,
2142                                   p_input->b_preparsing );
2143         if( in->p_demux == NULL )
2144         {
2145             msg_Err( p_input, "no suitable demux module for `%s/%s://%s'",
2146                      psz_access, psz_demux, psz_path );
2147             intf_UserFatal( VLC_OBJECT( p_input), VLC_FALSE,
2148                             _("Can't recognize the input's format"),
2149                             _("The format of '%s' can't be detected. "
2150                             "Have a look the log for details."), psz_mrl );
2151             goto error;
2152         }
2153
2154         /* TODO get title from demux */
2155         if( !p_input->b_preparsing && in->i_title <= 0 )
2156         {
2157             if( demux2_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
2158                                 &in->title, &in->i_title,
2159                                 &in->i_title_offset, &in->i_seekpoint_offset ))
2160             {
2161                 in->i_title = 0;
2162                 in->title   = NULL;
2163             }
2164             else
2165             {
2166                 in->b_title_demux = VLC_TRUE;
2167             }
2168         }
2169     }
2170
2171     if( var_GetInteger( p_input, "clock-synchro" ) != -1 )
2172         in->b_can_pace_control = !var_GetInteger( p_input, "clock-synchro" );
2173
2174     return VLC_SUCCESS;
2175
2176 error:
2177     input_ChangeState( p_input, ERROR_S );
2178
2179     if( in->p_demux )
2180         demux2_Delete( in->p_demux );
2181
2182     if( in->p_stream )
2183         stream_Delete( in->p_stream );
2184
2185     if( in->p_access )
2186         access2_Delete( in->p_access );
2187
2188     return VLC_EGENERIC;
2189 }
2190
2191 /*****************************************************************************
2192  * InputSourceClean:
2193  *****************************************************************************/
2194 static void InputSourceClean( input_thread_t *p_input, input_source_t *in )
2195 {
2196     if( in->p_demux )
2197         demux2_Delete( in->p_demux );
2198
2199     if( in->p_stream )
2200         stream_Delete( in->p_stream );
2201
2202     if( in->p_access )
2203         access2_Delete( in->p_access );
2204
2205     if( in->i_title > 0 )
2206     {
2207         int i;
2208         for( i = 0; i < in->i_title; i++ )
2209         {
2210             vlc_input_title_Delete( in->title[i] );
2211         }
2212         free( in->title );
2213     }
2214 }
2215
2216 static void SlaveDemux( input_thread_t *p_input )
2217 {
2218     int64_t i_time;
2219     int i;
2220
2221     if( demux2_Control( p_input->p->input.p_demux, DEMUX_GET_TIME, &i_time ) )
2222     {
2223         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
2224         return;
2225     }
2226
2227     for( i = 0; i < p_input->p->i_slave; i++ )
2228     {
2229         input_source_t *in = p_input->p->slave[i];
2230         int i_ret = 1;
2231
2232         if( in->b_eof )
2233             continue;
2234
2235         if( demux2_Control( in->p_demux, DEMUX_SET_NEXT_DEMUX_TIME, i_time ) )
2236         {
2237             for( ;; )
2238             {
2239                 int64_t i_stime;
2240                 if( demux2_Control( in->p_demux, DEMUX_GET_TIME, &i_stime ) )
2241                 {
2242                     msg_Err( p_input, "slave[%d] doesn't like "
2243                              "DEMUX_GET_TIME -> EOF", i );
2244                     i_ret = 0;
2245                     break;
2246                 }
2247
2248                 if( i_stime >= i_time )
2249                     break;
2250
2251                 if( ( i_ret = in->p_demux->pf_demux( in->p_demux ) ) <= 0 )
2252                     break;
2253             }
2254         }
2255         else
2256         {
2257             i_ret = in->p_demux->pf_demux( in->p_demux );
2258         }
2259
2260         if( i_ret <= 0 )
2261         {
2262             msg_Dbg( p_input, "slave %d EOF", i );
2263             in->b_eof = VLC_TRUE;
2264         }
2265     }
2266 }
2267
2268 static void SlaveSeek( input_thread_t *p_input )
2269 {
2270     int64_t i_time;
2271     int i;
2272
2273     if( !p_input ) return;
2274
2275     if( demux2_Control( p_input->p->input.p_demux, DEMUX_GET_TIME, &i_time ) )
2276     {
2277         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
2278         return;
2279     }
2280
2281     for( i = 0; i < p_input->p->i_slave; i++ )
2282     {
2283         input_source_t *in = p_input->p->slave[i];
2284
2285         if( demux2_Control( in->p_demux, DEMUX_SET_TIME, i_time ) )
2286         {
2287             msg_Err( p_input, "seek failed for slave %d -> EOF", i );
2288             in->b_eof = VLC_TRUE;
2289         }
2290     }
2291 }
2292
2293 /*****************************************************************************
2294  * InputMetaUser:
2295  *****************************************************************************/
2296 static void InputMetaUser( input_thread_t *p_input )
2297 {
2298     vlc_meta_t *p_meta = p_input->p->input.p_item->p_meta;
2299     vlc_value_t val;
2300
2301     if( !p_meta ) return;
2302
2303     /* Get meta information from user */
2304 #define GET_META( field, s ) \
2305     var_Get( p_input, (s), &val );  \
2306     if( *val.psz_string ) { \
2307         if( p_meta->psz_ ## field ) free ( p_meta->psz_ ## field ); \
2308         p_meta->psz_ ## field = strdup( val.psz_string ); \
2309     } \
2310     free( val.psz_string )
2311
2312     GET_META( title, "meta-title" );
2313     GET_META( artist, "meta-artist" );
2314     GET_META( genre, "meta-genre" );
2315     GET_META( copyright, "meta-copyright" );
2316     GET_META( description, "meta-description" );
2317     GET_META( date, "meta-date" );
2318     GET_META( url, "meta-url" );
2319 #undef GET_META
2320 }
2321
2322 /*****************************************************************************
2323  * MRLSplit: parse the access, demux and url part of the
2324  *           Media Resource Locator.
2325  *****************************************************************************/
2326 void MRLSplit( vlc_object_t *p_input, char *psz_dup,
2327                const char **ppsz_access, const char **ppsz_demux,
2328                char **ppsz_path )
2329 {
2330     const char *psz_access = "";
2331     const char *psz_demux  = "";
2332     char *psz_path;
2333     char *psz, *psz_check;
2334
2335     psz = strchr( psz_dup, ':' );
2336
2337     /* '@' not allowed in access/demux part */
2338     psz_check = strchr( psz_dup, '@' );
2339     if( psz_check && psz_check < psz ) psz = 0;
2340
2341 #if defined( WIN32 ) || defined( UNDER_CE )
2342     if( psz - psz_dup == 1 )
2343     {
2344         msg_Dbg( p_input, "drive letter %c: found in source", *psz_dup );
2345         psz_path = psz_dup;
2346     }
2347     else
2348 #endif
2349
2350     if( psz )
2351     {
2352         *psz++ = '\0';
2353         if( psz[0] == '/' && psz[1] == '/' ) psz += 2;
2354
2355         psz_path = psz;
2356
2357         psz = strchr( psz_dup, '/' );
2358         if( psz )
2359         {
2360             *psz++ = '\0';
2361             psz_demux = psz;
2362         }
2363
2364         psz_access = psz_dup;
2365     }
2366     else
2367     {
2368         psz_path = psz_dup;
2369     }
2370
2371     *ppsz_access = psz_access;
2372     *ppsz_demux = psz_demux;
2373     *ppsz_path = psz_path;
2374 }
2375
2376 /*****************************************************************************
2377  * MRLSections: parse title and seekpoint info from the Media Resource Locator.
2378  *
2379  * Syntax:
2380  * [url][@[title-start][:chapter-start][-[title-end][:chapter-end]]]
2381  *****************************************************************************/
2382 static void MRLSections( input_thread_t *p_input, char *psz_source,
2383                          int *pi_title_start, int *pi_title_end,
2384                          int *pi_chapter_start, int *pi_chapter_end )
2385 {
2386     char *psz, *psz_end, *psz_next, *psz_check;
2387
2388     *pi_title_start = *pi_title_end = -1;
2389     *pi_chapter_start = *pi_chapter_end = -1;
2390
2391     /* Start by parsing titles and chapters */
2392     if( !psz_source || !( psz = strrchr( psz_source, '@' ) ) ) return;
2393
2394     /* Check we are really dealing with a title/chapter section */
2395     psz_check = psz + 1;
2396     if( !*psz_check ) return;
2397     if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2398     if( *psz_check != ':' && *psz_check != '-' && *psz_check ) return;
2399     if( *psz_check == ':' && ++psz_check )
2400         if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2401     if( *psz_check != '-' && *psz_check ) return;
2402     if( *psz_check == '-' && ++psz_check )
2403         if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2404     if( *psz_check != ':' && *psz_check ) return;
2405     if( *psz_check == ':' && ++psz_check )
2406         if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2407     if( *psz_check ) return;
2408
2409     /* Separate start and end */
2410     *psz++ = 0;
2411     if( ( psz_end = strchr( psz, '-' ) ) ) *psz_end++ = 0;
2412
2413     /* Look for the start title */
2414     *pi_title_start = strtol( psz, &psz_next, 0 );
2415     if( !*pi_title_start && psz == psz_next ) *pi_title_start = -1;
2416     *pi_title_end = *pi_title_start;
2417     psz = psz_next;
2418
2419     /* Look for the start chapter */
2420     if( *psz ) psz++;
2421     *pi_chapter_start = strtol( psz, &psz_next, 0 );
2422     if( !*pi_chapter_start && psz == psz_next ) *pi_chapter_start = -1;
2423     *pi_chapter_end = *pi_chapter_start;
2424
2425     if( psz_end )
2426     {
2427         /* Look for the end title */
2428         *pi_title_end = strtol( psz_end, &psz_next, 0 );
2429         if( !*pi_title_end && psz_end == psz_next ) *pi_title_end = -1;
2430         psz_end = psz_next;
2431
2432         /* Look for the end chapter */
2433         if( *psz_end ) psz_end++;
2434         *pi_chapter_end = strtol( psz_end, &psz_next, 0 );
2435         if( !*pi_chapter_end && psz_end == psz_next ) *pi_chapter_end = -1;
2436     }
2437
2438     msg_Dbg( p_input, "source=`%s' title=%d/%d seekpoint=%d/%d",
2439              psz_source, *pi_title_start, *pi_chapter_start,
2440              *pi_title_end, *pi_chapter_end );
2441 }
2442
2443 /*****************************************************************************
2444  * input_AddSubtitles: add a subtitles file and enable it
2445  *****************************************************************************/
2446 vlc_bool_t input_AddSubtitles( input_thread_t *p_input, char *psz_subtitle,
2447                                vlc_bool_t b_check_extension )
2448 {
2449     input_source_t *sub;
2450     vlc_value_t count;
2451     vlc_value_t list;
2452     char *psz_path, *psz_extension;
2453
2454     if( b_check_extension && !subtitles_Filter( psz_subtitle ) )
2455     {
2456         return VLC_FALSE;
2457     }
2458
2459     /* if we are provided a subtitle.sub file,
2460      * see if we don't have a subtitle.idx and use it instead */
2461     psz_path = strdup( psz_subtitle );
2462     if( psz_path )
2463     {
2464         psz_extension = strrchr( psz_path, '.');
2465         if( psz_extension && strcmp( psz_extension, ".sub" ) == 0 )
2466         {
2467             FILE *f;
2468
2469             strcpy( psz_extension, ".idx" );
2470             /* FIXME: a portable wrapper for stat() or access() would be more suited */
2471             if( ( f = utf8_fopen( psz_path, "rt" ) ) )
2472             {
2473                 fclose( f );
2474                 msg_Dbg( p_input, "using %s subtitles file instead of %s",
2475                          psz_path, psz_subtitle );
2476                 strcpy( psz_subtitle, psz_path );
2477             }
2478         }
2479         free( psz_path );
2480     }
2481
2482     var_Change( p_input, "spu-es", VLC_VAR_CHOICESCOUNT, &count, NULL );
2483
2484     sub = InputSourceNew( p_input );
2485     if( !InputSourceInit( p_input, sub, psz_subtitle, "subtitle" ) )
2486     {
2487         TAB_APPEND( p_input->p->i_slave, p_input->p->slave, sub );
2488
2489         /* Select the ES */
2490         if( !var_Change( p_input, "spu-es", VLC_VAR_GETLIST, &list, NULL ) )
2491         {
2492             if( count.i_int == 0 )
2493                 count.i_int++;
2494             /* if it was first one, there is disable too */
2495
2496             if( count.i_int < list.p_list->i_count )
2497             {
2498                 input_ControlPush( p_input, INPUT_CONTROL_SET_ES,
2499                                    &list.p_list->p_values[count.i_int] );
2500             }
2501             var_Change( p_input, "spu-es", VLC_VAR_FREELIST, &list, NULL );
2502         }
2503     }
2504     else free( sub );
2505
2506     return VLC_TRUE;
2507 }