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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <stdlib.h>
  29 #include <ctype.h>
  30
  31 #include <vlc/vlc.h>
  32 #include <vlc/input.h>
  33 #include <vlc/decoder.h>
  34 #include <vlc/vout.h>
  35
  36 #include "input_internal.h"
  37
  38 #include "stream_output.h"
  39 #include "vlc_playlist.h"
  40 #include "vlc_interface.h"
  41
  42 /*****************************************************************************
  43  * Local prototypes
  44  *****************************************************************************/
  45 static  int Run  ( input_thread_t *p_input );
  46 static  int RunAndClean  ( input_thread_t *p_input );
  47
  48 static input_thread_t * Create  ( vlc_object_t *, input_item_t *, vlc_bool_t );
  49 static  int             Init    ( input_thread_t *p_input, vlc_bool_t b_quick );
  50 static void             Error   ( input_thread_t *p_input );
  51 static void             End     ( input_thread_t *p_input );
  52 static void             MainLoop( input_thread_t *p_input );
  53
  54 static inline int ControlPopNoLock( input_thread_t *, int *, vlc_value_t * );
  55 static void       ControlReduce( input_thread_t * );
  56 static vlc_bool_t Control( input_thread_t *, int, vlc_value_t );
  57
  58
  59 static int  UpdateFromAccess( input_thread_t * );
  60 static int  UpdateFromDemux( input_thread_t * );
  61 static int  UpdateMeta( input_thread_t *, vlc_bool_t );
  62
  63 static void UpdateItemLength( input_thread_t *, int64_t i_length, vlc_bool_t );
  64
  65 static void ParseOption( input_thread_t *p_input, const char *psz_option );
  66
  67 static void DecodeUrl( char * );
  68 static void MRLSections( input_thread_t *, char *, int *, int *, int *, int *);
  69
  70 static input_source_t *InputSourceNew( input_thread_t *);
  71 static int  InputSourceInit( input_thread_t *, input_source_t *,
  72                              char *, char *psz_forced_demux,
  73                              vlc_bool_t b_quick );
  74 static void InputSourceClean( input_thread_t *, input_source_t * );
  75
  76 static void SlaveDemux( input_thread_t *p_input );
  77 static void SlaveSeek( input_thread_t *p_input );
  78
  79 static vlc_meta_t *InputMetaUser( input_thread_t *p_input );
  80
  81 /*****************************************************************************
  82  * This function creates a new input, and returns a pointer
  83  * to its description. On error, it returns NULL.
  84  *
  85  * Variables for _public_ use:
  86  * * Get and Set:
  87  *  - state
  88  *  - rate,rate-slower, rate-faster
  89  *  - position, position-offset
  90  *  - time, time-offset
  91  *  - title,title-next,title-prev
  92  *  - chapter,chapter-next, chapter-prev
  93  *  - program, audio-es, video-es, spu-es
  94  *  - audio-delay, spu-delay
  95  *  - bookmark
  96  * * Get only:
  97  *  - length
  98  *  - bookmarks
  99  *  - seekable (if you can seek, it doesn't say if 'bar display' has be shown or not, for that check position != 0.0)
 100  * * For intf callback upon changes
 101  *  - intf-change
 102  * TODO explain when Callback is called
 103  * TODO complete this list (?)
 104  *****************************************************************************/
 105 static input_thread_t *Create( vlc_object_t *p_parent, input_item_t *p_item,
 106                                vlc_bool_t b_quick )
 107 {
 108     input_thread_t *p_input;                        /* thread descriptor */
 109     vlc_value_t val;
 110     int i;
 111
 112     /* Allocate descriptor */
 113     p_input = vlc_object_create( p_parent, VLC_OBJECT_INPUT );
 114     if( p_input == NULL )
 115     {
 116         msg_Err( p_parent, "out of memory" );
 117         return NULL;
 118     }
 119
 120     /* Init Common fields */
 121     p_input->b_eof = VLC_FALSE;
 122     p_input->b_can_pace_control = VLC_TRUE;
 123     p_input->i_start = 0;
 124     p_input->i_time  = 0;
 125     p_input->i_stop  = 0;
 126     p_input->i_title = 0;
 127     p_input->title   = NULL;
 128     p_input->i_title_offset = p_input->i_seekpoint_offset = 0;
 129     p_input->i_state = INIT_S;
 130     p_input->i_rate  = INPUT_RATE_DEFAULT;
 131     p_input->i_bookmark = 0;
 132     p_input->bookmark = NULL;
 133     p_input->p_meta  = NULL;
 134     p_input->p_es_out = NULL;
 135     p_input->p_sout  = NULL;
 136     p_input->b_out_pace_control = VLC_FALSE;
 137     p_input->i_pts_delay = 0;
 138
 139     /* Init Input fields */
 140     p_input->input.p_item = p_item;
 141     p_input->input.p_access = NULL;
 142     p_input->input.p_stream = NULL;
 143     p_input->input.p_demux  = NULL;
 144     p_input->input.b_title_demux = VLC_FALSE;
 145     p_input->input.i_title  = 0;
 146     p_input->input.title    = NULL;
 147     p_input->input.i_title_offset = p_input->input.i_seekpoint_offset = 0;
 148     p_input->input.b_can_pace_control = VLC_TRUE;
 149     p_input->input.b_eof = VLC_FALSE;
 150     p_input->input.i_cr_average = 0;
 151
 152     /* No slave */
 153     p_input->i_slave = 0;
 154     p_input->slave   = NULL;
 155
 156     /* Init control buffer */
 157     vlc_mutex_init( p_input, &p_input->lock_control );
 158     p_input->i_control = 0;
 159
 160     /* Parse input options */
 161     vlc_mutex_lock( &p_item->lock );
 162     for( i = 0; i < p_item->i_options; i++ )
 163     {
 164         ParseOption( p_input, p_item->ppsz_options[i] );
 165     }
 166     vlc_mutex_unlock( &p_item->lock );
 167
 168     /* Create Object Variables for private use only */
 169     input_ConfigVarInit( p_input );
 170
 171     /* Create Objects variables for public Get and Set */
 172     input_ControlVarInit( p_input );
 173     p_input->input.i_cr_average = var_GetInteger( p_input, "cr-average" );
 174
 175     if( !b_quick )
 176     {
 177         var_Get( p_input, "bookmarks", &val );
 178         if( val.psz_string )
 179         {
 180             /* FIXME: have a common cfg parsing routine used by sout and others */
 181             char *psz_parser, *psz_start, *psz_end;
 182             psz_parser = val.psz_string;
 183             while( (psz_start = strchr( psz_parser, '{' ) ) )
 184             {
 185                  seekpoint_t *p_seekpoint = vlc_seekpoint_New();
 186                  char backup;
 187                  psz_start++;
 188                  psz_end = strchr( psz_start, '}' );
 189                  if( !psz_end ) break;
 190                  psz_parser = psz_end + 1;
 191                  backup = *psz_parser;
 192                  *psz_parser = 0;
 193                  *psz_end = ',';
 194                  while( (psz_end = strchr( psz_start, ',' ) ) )
 195                  {
 196                      *psz_end = 0;
 197                      if( !strncmp( psz_start, "name=", 5 ) )
 198                      {
 199                          p_seekpoint->psz_name = psz_start + 5;
 200                      }
 201                      else if( !strncmp( psz_start, "bytes=", 6 ) )
 202                      {
 203                          p_seekpoint->i_byte_offset = atoll(psz_start + 6);
 204                      }
 205                      else if( !strncmp( psz_start, "time=", 5 ) )
 206                      {
 207                          p_seekpoint->i_time_offset = atoll(psz_start + 5) * 1000000;
 208                      }
 209                      psz_start = psz_end + 1;
 210                 }
 211                 msg_Dbg( p_input, "adding bookmark: %s, bytes="I64Fd", time="I64Fd,
 212                                   p_seekpoint->psz_name, p_seekpoint->i_byte_offset,
 213                                   p_seekpoint->i_time_offset );
 214                 input_Control( p_input, INPUT_ADD_BOOKMARK, p_seekpoint );
 215                 vlc_seekpoint_Delete( p_seekpoint );
 216                 *psz_parser = backup;
 217             }
 218             free( val.psz_string );
 219         }
 220     }
 221
 222     /* Remove 'Now playing' info as it is probably outdated */
 223     input_Control( p_input, INPUT_DEL_INFO, _("Meta-information"),
 224                     VLC_META_NOW_PLAYING );
 225
 226     return p_input;
 227 }
 228
 229 /**
 230  * Initialize an input thread and run it. You will need to monitor the thread to clean
 231  * up after it is done
 232  *
 233  * \param p_parent a vlc_object
 234  * \param p_item an input item
 235  * \return a pointer to the spawned input thread
 236  */
 237 input_thread_t *__input_CreateThread( vlc_object_t *p_parent,
 238                                       input_item_t *p_item )
 239
 240 {
 241     input_thread_t *p_input;                        /* thread descriptor */
 242
 243     p_input = Create( p_parent, p_item, VLC_FALSE );
 244     /* Now we can attach our new input */
 245     vlc_object_attach( p_input, p_parent );
 246
 247     /* Create thread and wait for its readiness. */
 248     if( vlc_thread_create( p_input, "input", Run,
 249                             VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
 250     {
 251         msg_Err( p_input, "cannot create input thread" );
 252         vlc_object_detach( p_input );
 253         vlc_object_destroy( p_input );
 254         return NULL;
 255     }
 256
 257     return p_input;
 258 }
 259
 260
 261 /**
 262  * Initialize an input thread and run it. This thread will clean after himself,
 263  * you can forget about it. It can work either in blocking or non-blocking mode
 264  *
 265  * \param p_parent a vlc_object
 266  * \param p_item an input item
 267  * \param b_block should we block until read is finished ?
 268  */
 269 void __input_Read( vlc_object_t *p_parent, input_item_t *p_item,
 270                    vlc_bool_t b_block )
 271 {
 272     input_thread_t *p_input;                        /* thread descriptor */
 273
 274     p_input = Create( p_parent, p_item, VLC_FALSE );
 275     /* Now we can attach our new input */
 276     vlc_object_attach( p_input, p_parent );
 277
 278     if( b_block )
 279     {
 280         RunAndClean( p_input );
 281     }
 282     else
 283     {
 284         if( vlc_thread_create( p_input, "input", RunAndClean,
 285                                VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
 286         {
 287             msg_Err( p_input, "cannot create input thread" );
 288             vlc_object_detach( p_input );
 289             vlc_object_destroy( p_input );
 290             return;
 291         }
 292     }
 293 }
 294
 295 /**
 296  * Initialize an input and initialize it to preparse the item
 297  * This function is blocking. It will only accept to parse files
 298  *
 299  * \param p_parent a vlc_object_t
 300  * \param p_item an input item
 301  * \return VLC_SUCCESS or an error
 302  */
 303 int __input_Preparse( vlc_object_t *p_parent, input_item_t *p_item )
 304 {
 305     input_thread_t *p_input;                        /* thread descriptor */
 306
 307     /* Allocate descriptor */
 308     p_input = Create( p_parent, p_item, VLC_TRUE );
 309
 310     /* Now we can attach our new input */
 311     vlc_object_attach( p_input, p_parent );
 312
 313     Init( p_input, VLC_TRUE );
 314
 315     /* Clean up master */
 316     InputSourceClean( p_input, &p_input->input );
 317
 318     /* Kill access and demux */
 319     if( p_input->input.p_access ) p_input->input.p_access->b_die = VLC_TRUE;
 320     if( p_input->input.p_demux ) p_input->input.p_access->b_die = VLC_TRUE;
 321
 322     /* Unload all modules */
 323     if( p_input->p_es_out ) input_EsOutDelete( p_input->p_es_out );
 324
 325     /* Delete meta */
 326     if( p_input->p_meta ) vlc_meta_Delete( p_input->p_meta );
 327
 328     vlc_object_detach( p_input );
 329     vlc_object_destroy( p_input );
 330
 331     return VLC_SUCCESS;
 332 }
 333
 334 /**
 335  * Request a running input thread to stop and die
 336  *
 337  * \param the input thread to stop
 338  */
 339 void input_StopThread( input_thread_t *p_input )
 340 {
 341     vlc_list_t *p_list;
 342     int i;
 343
 344     /* Set die for input */
 345     p_input->b_die = VLC_TRUE;
 346
 347     /* We cannot touch p_input fields directly (we can from another thread),
 348      * so use the vlc_object_find way, it's perfectly safe */
 349
 350     /* Set die for all access */
 351     p_list = vlc_list_find( p_input, VLC_OBJECT_ACCESS, FIND_CHILD );
 352     for( i = 0; i < p_list->i_count; i++ )
 353     {
 354         p_list->p_values[i].p_object->b_die = VLC_TRUE;
 355     }
 356     vlc_list_release( p_list );
 357
 358     /* Set die for all stream */
 359     p_list = vlc_list_find( p_input, VLC_OBJECT_STREAM, FIND_CHILD );
 360     for( i = 0; i < p_list->i_count; i++ )
 361     {
 362         p_list->p_values[i].p_object->b_die = VLC_TRUE;
 363     }
 364     vlc_list_release( p_list );
 365
 366     /* Set die for all demux */
 367     p_list = vlc_list_find( p_input, VLC_OBJECT_DEMUX, FIND_CHILD );
 368     for( i = 0; i < p_list->i_count; i++ )
 369     {
 370         p_list->p_values[i].p_object->b_die = VLC_TRUE;
 371     }
 372     vlc_list_release( p_list );
 373
 374     input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
 375 }
 376
 377 /**
 378  * Clean up a dead input thread
 379  * This function does not return until the thread is effectively cancelled.
 380  *
 381  * \param the input thread to kill
 382  */
 383 void input_DestroyThread( input_thread_t *p_input )
 384 {
 385     /* Join the thread */
 386     vlc_thread_join( p_input );
 387
 388     /* Delete input lock (only after thread joined) */
 389     vlc_mutex_destroy( &p_input->lock_control );
 390
 391     /* TODO: maybe input_DestroyThread should also delete p_input instead
 392      * of the playlist but I'm not sure if it's possible */
 393 }
 394
 395 /*****************************************************************************
 396  * Run: main thread loop
 397  * This is the "normal" thread that spawns the input processing chain,
 398  * reads the stream, cleans up and waits
 399  *****************************************************************************/
 400 static int Run( input_thread_t *p_input )
 401 {
 402
 403     /* Signal that the thread is launched */
 404     vlc_thread_ready( p_input );
 405
 406     if( Init( p_input, VLC_FALSE ) )
 407     {
 408         /* If we failed, wait before we are killed, and exit */
 409         p_input->b_error = VLC_TRUE;
 410
 411         Error( p_input );
 412
 413         /* Tell we're dead */
 414         p_input->b_dead = VLC_TRUE;
 415
 416         return 0;
 417     }
 418
 419     MainLoop( p_input );
 420
 421     if( !p_input->b_eof && !p_input->b_error && p_input->input.b_eof )
 422     {
 423         /* We have finish to demux data but not to play them */
 424         while( !p_input->b_die )
 425         {
 426             if( input_EsOutDecodersEmpty( p_input->p_es_out ) )
 427                 break;
 428
 429             msg_Dbg( p_input, "waiting decoder fifos to empty" );
 430
 431             msleep( INPUT_IDLE_SLEEP );
 432         }
 433
 434         /* We have finished */
 435         p_input->b_eof = VLC_TRUE;
 436     }
 437
 438     /* Wait we are asked to die */
 439     if( !p_input->b_die )
 440     {
 441         Error( p_input );
 442     }
 443
 444     /* Clean up */
 445     End( p_input );
 446
 447     return 0;
 448 }
 449
 450 /*****************************************************************************
 451  * RunAndClean: main thread loop
 452  * This is the "just forget me" thread that spawns the input processing chain,
 453  * reads the stream, cleans up and releases memory
 454  *****************************************************************************/
 455 static int RunAndClean( input_thread_t *p_input )
 456 {
 457     /* Signal that the thread is launched */
 458     vlc_thread_ready( p_input );
 459
 460     if( Init( p_input, VLC_FALSE ) )
 461     {
 462         /* If we failed, just exit */
 463         return 0;
 464     }
 465
 466     MainLoop( p_input );
 467
 468     if( !p_input->b_eof && !p_input->b_error && p_input->input.b_eof )
 469     {
 470         /* We have finish to demux data but not to play them */
 471         while( !p_input->b_die )
 472         {
 473             if( input_EsOutDecodersEmpty( p_input->p_es_out ) )
 474                 break;
 475
 476             msg_Dbg( p_input, "waiting decoder fifos to empty" );
 477
 478             msleep( INPUT_IDLE_SLEEP );
 479         }
 480         /* We have finished */
 481         p_input->b_eof = VLC_TRUE;
 482     }
 483
 484     /* Clean up */
 485     End( p_input );
 486
 487     /* Release memory */
 488     vlc_object_detach( p_input );
 489     vlc_object_destroy( p_input );
 490
 491     return 0;
 492 }
 493
 494
 495 /*****************************************************************************
 496  * Main loop: Fill buffers from access, and demux
 497  *****************************************************************************/
 498 static void MainLoop( input_thread_t *p_input )
 499 {
 500     int64_t i_intf_update = 0;
 501     while( !p_input->b_die && !p_input->b_error && !p_input->input.b_eof )
 502     {
 503         vlc_bool_t b_force_update = VLC_FALSE;
 504         int i_ret;
 505         int i_type;
 506         vlc_value_t val;
 507
 508         /* Do the read */
 509         if( p_input->i_state != PAUSE_S  )
 510         {
 511             if( p_input->i_stop <= 0 || p_input->i_time < p_input->i_stop )
 512                 i_ret=p_input->input.p_demux->pf_demux(p_input->input.p_demux);
 513             else
 514                 i_ret = 0;  /* EOF */
 515
 516             if( i_ret > 0 )
 517             {
 518                 /* TODO */
 519                 if( p_input->input.b_title_demux &&
 520                     p_input->input.p_demux->info.i_update )
 521                 {
 522                     i_ret = UpdateFromDemux( p_input );
 523                     b_force_update = VLC_TRUE;
 524                 }
 525                 else if( !p_input->input.b_title_demux &&
 526                           p_input->input.p_access &&
 527                           p_input->input.p_access->info.i_update )
 528                 {
 529                     i_ret = UpdateFromAccess( p_input );
 530                     b_force_update = VLC_TRUE;
 531                 }
 532             }
 533
 534             if( i_ret == 0 )    /* EOF */
 535             {
 536                 vlc_value_t repeat;
 537
 538                 var_Get( p_input, "input-repeat", &repeat );
 539                 if( repeat.i_int == 0 )
 540                 {
 541                     /* End of file - we do not set b_die because only the
 542                      * playlist is allowed to do so. */
 543                     msg_Dbg( p_input, "EOF reached" );
 544                     p_input->input.b_eof = VLC_TRUE;
 545                 }
 546                 else
 547                 {
 548                     msg_Dbg( p_input, "repeating the same input (%d)",
 549                              repeat.i_int );
 550                     if( repeat.i_int > 0 )
 551                     {
 552                         repeat.i_int--;
 553                         var_Set( p_input, "input-repeat", repeat );
 554                     }
 555
 556                     /* Seek to start title/seekpoint */
 557                     val.i_int = p_input->input.i_title_start -
 558                         p_input->input.i_title_offset;
 559                     if( val.i_int < 0 || val.i_int >= p_input->input.i_title )
 560                         val.i_int = 0;
 561                     input_ControlPush( p_input,
 562                                        INPUT_CONTROL_SET_TITLE, &val );
 563
 564                     val.i_int = p_input->input.i_seekpoint_start -
 565                         p_input->input.i_seekpoint_offset;
 566                     if( val.i_int > 0 /* TODO: check upper boundary */ )
 567                         input_ControlPush( p_input,
 568                                            INPUT_CONTROL_SET_SEEKPOINT, &val );
 569
 570                     /* Seek to start position */
 571                     if( p_input->i_start > 0 )
 572                     {
 573                         val.i_time = p_input->i_start;
 574                         input_ControlPush( p_input, INPUT_CONTROL_SET_TIME,
 575                                            &val );
 576                     }
 577                     else
 578                     {
 579                         val.f_float = 0.0;
 580                         input_ControlPush( p_input, INPUT_CONTROL_SET_POSITION,
 581                                            &val );
 582                     }
 583                 }
 584             }
 585             else if( i_ret < 0 )
 586             {
 587                 p_input->b_error = VLC_TRUE;
 588             }
 589
 590             if( i_ret > 0 && p_input->i_slave > 0 )
 591             {
 592                 SlaveDemux( p_input );
 593             }
 594         }
 595         else
 596         {
 597             /* Small wait */
 598             msleep( 10*1000 );
 599         }
 600
 601         /* Handle control */
 602         vlc_mutex_lock( &p_input->lock_control );
 603         ControlReduce( p_input );
 604         while( !ControlPopNoLock( p_input, &i_type, &val ) )
 605         {
 606             msg_Dbg( p_input, "control type=%d", i_type );
 607             if( Control( p_input, i_type, val ) )
 608                 b_force_update = VLC_TRUE;
 609         }
 610         vlc_mutex_unlock( &p_input->lock_control );
 611
 612         if( b_force_update || i_intf_update < mdate() )
 613         {
 614             vlc_value_t val;
 615             double f_pos;
 616             int64_t i_time, i_length;
 617             /* update input status variables */
 618             if( !demux2_Control( p_input->input.p_demux,
 619                                  DEMUX_GET_POSITION, &f_pos ) )
 620             {
 621                 val.f_float = (float)f_pos;
 622                 var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
 623             }
 624             if( !demux2_Control( p_input->input.p_demux,
 625                                  DEMUX_GET_TIME, &i_time ) )
 626             {
 627                 p_input->i_time = i_time;
 628                 val.i_time = i_time;
 629                 var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
 630             }
 631             if( !demux2_Control( p_input->input.p_demux,
 632                                  DEMUX_GET_LENGTH, &i_length ) )
 633             {
 634                 vlc_value_t old_val;
 635                 var_Get( p_input, "length", &old_val );
 636                 val.i_time = i_length;
 637                 var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
 638
 639                 if( old_val.i_time != val.i_time )
 640                 {
 641                     UpdateItemLength( p_input, i_length, VLC_TRUE );
 642                 }
 643             }
 644
 645             var_SetBool( p_input, "intf-change", VLC_TRUE );
 646             i_intf_update = mdate() + I64C(150000);
 647         }
 648     }
 649 }
 650
 651
 652 static int Init( input_thread_t * p_input, vlc_bool_t b_quick )
 653 {
 654     char *psz;
 655     char *psz_subtitle;
 656     vlc_value_t val;
 657     double f_fps;
 658     vlc_meta_t *p_meta, *p_meta_tmp;
 659     int i_es_out_mode;
 660     int i, i_delay;
 661
 662     /* Initialize optional stream output. (before access/demuxer)
 663      * XXX: we add a special case if the uri starts by vlc.
 664      * else 'vlc in.file --sout "" vlc:quit'  cannot work (the output will
 665      * be destroyed in case of a file).
 666      * (this will break playing of file starting by 'vlc:' but I don't
 667      * want to add more logic, just force file by file:// or code it ;)
 668      */
 669     if( !b_quick )
 670     {
 671         psz = var_GetString( p_input, "sout" );
 672         if( *psz && strncasecmp( p_input->input.p_item->psz_uri, "vlc:", 4 ) )
 673         {
 674             p_input->p_sout = sout_NewInstance( p_input, psz );
 675             if( p_input->p_sout == NULL )
 676             {
 677                 msg_Err( p_input, "cannot start stream output instance, " \
 678                                   "aborting" );
 679                 free( psz );
 680                 return VLC_EGENERIC;
 681             }
 682         }
 683         free( psz );
 684     }
 685
 686     /* Create es out */
 687     p_input->p_es_out = input_EsOutNew( p_input );
 688     es_out_Control( p_input->p_es_out, ES_OUT_SET_ACTIVE, VLC_FALSE );
 689     es_out_Control( p_input->p_es_out, ES_OUT_SET_MODE, ES_OUT_MODE_NONE );
 690
 691     if( InputSourceInit( p_input, &p_input->input,
 692                          p_input->input.p_item->psz_uri, NULL, b_quick ) )
 693     {
 694         goto error;
 695     }
 696
 697     /* Create global title (from master) */
 698     if( !b_quick )
 699     {
 700         p_input->i_title = p_input->input.i_title;
 701         p_input->title   = p_input->input.title;
 702         p_input->i_title_offset = p_input->input.i_title_offset;
 703         p_input->i_seekpoint_offset = p_input->input.i_seekpoint_offset;
 704         if( p_input->i_title > 0 )
 705         {
 706             /* Setup variables */
 707             input_ControlVarNavigation( p_input );
 708             input_ControlVarTitle( p_input, 0 );
 709         }
 710
 711         /* Global flag */
 712         p_input->b_can_pace_control = p_input->input.b_can_pace_control;
 713         p_input->b_can_pause        = p_input->input.b_can_pause;
 714
 715         /* Fix pts delay */
 716         if( p_input->i_pts_delay < 0 )
 717             p_input->i_pts_delay = 0;
 718
 719         /* If the desynchronisation requested by the user is < 0, we need to
 720          * cache more data. */
 721         var_Get( p_input, "audio-desync", &val );
 722         if( val.i_int < 0 ) p_input->i_pts_delay -= (val.i_int * 1000);
 723
 724         /* Update cr_average depending on the caching */
 725         p_input->input.i_cr_average *= (10 * p_input->i_pts_delay / 200000);
 726         p_input->input.i_cr_average /= 10;
 727         if( p_input->input.i_cr_average < 10 ) p_input->input.i_cr_average = 10;
 728     }
 729
 730     /* Load master infos */
 731     /* Init length */
 732     if( !demux2_Control( p_input->input.p_demux, DEMUX_GET_LENGTH,
 733                          &val.i_time ) && val.i_time > 0 )
 734     {
 735         var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
 736         UpdateItemLength( p_input, val.i_time, b_quick );
 737         p_input->input.p_item->i_duration = val.i_time;
 738     }
 739
 740     /* Start title/chapter */
 741     if( !b_quick )
 742     {
 743         val.i_int = p_input->input.i_title_start -
 744                     p_input->input.i_title_offset;
 745         if( val.i_int > 0 && val.i_int < p_input->input.i_title )
 746             input_ControlPush( p_input, INPUT_CONTROL_SET_TITLE, &val );
 747         val.i_int = p_input->input.i_seekpoint_start -
 748                     p_input->input.i_seekpoint_offset;
 749         if( val.i_int > 0 /* TODO: check upper boundary */ )
 750             input_ControlPush( p_input, INPUT_CONTROL_SET_SEEKPOINT, &val );
 751
 752         /* Start time*/
 753         /* Set start time */
 754         p_input->i_start = (int64_t)var_GetInteger( p_input, "start-time" ) *
 755                            I64C(1000000);
 756         p_input->i_stop  = (int64_t)var_GetInteger( p_input, "stop-time" ) *
 757                            I64C(1000000);
 758
 759         if( p_input->i_start > 0 )
 760         {
 761             if( p_input->i_start >= val.i_time )
 762             {
 763                 msg_Warn( p_input, "invalid start-time ignored" );
 764             }
 765             else
 766             {
 767                 vlc_value_t s;
 768
 769                 msg_Dbg( p_input, "starting at time: %ds",
 770                                   (int)( p_input->i_start / I64C(1000000) ) );
 771
 772                 s.i_time = p_input->i_start;
 773                 input_ControlPush( p_input, INPUT_CONTROL_SET_TIME, &s );
 774             }
 775         }
 776         if( p_input->i_stop > 0 && p_input->i_stop <= p_input->i_start )
 777         {
 778             msg_Warn( p_input, "invalid stop-time ignored" );
 779             p_input->i_stop = 0;
 780         }
 781
 782
 783         /* Load subtitles */
 784         /* Get fps and set it if not already set */
 785         if( !demux2_Control( p_input->input.p_demux, DEMUX_GET_FPS, &f_fps ) &&
 786             f_fps > 1.0 )
 787         {
 788             float f_requested_fps;
 789
 790             var_Create( p_input, "sub-original-fps", VLC_VAR_FLOAT );
 791             var_SetFloat( p_input, "sub-original-fps", f_fps );
 792
 793             f_requested_fps = var_CreateGetFloat( p_input, "sub-fps" );
 794             if( f_requested_fps != f_fps )
 795             {
 796                 var_Create( p_input, "sub-fps", VLC_VAR_FLOAT|
 797                                                 VLC_VAR_DOINHERIT );
 798                 var_SetFloat( p_input, "sub-fps", f_requested_fps );
 799             }
 800         }
 801
 802         i_delay = var_CreateGetInteger( p_input, "sub-delay" );
 803         if( i_delay != 0 )
 804         {
 805             var_SetTime( p_input, "spu-delay", (mtime_t)i_delay * 100000 );
 806         }
 807
 808
 809         /* Look for and add subtitle files */
 810         psz_subtitle = var_GetString( p_input, "sub-file" );
 811         if( *psz_subtitle )
 812         {
 813             input_source_t *sub;
 814             vlc_value_t count;
 815             vlc_value_t list;
 816
 817             msg_Dbg( p_input, "forced subtitle: %s", psz_subtitle );
 818
 819             var_Change( p_input, "spu-es", VLC_VAR_CHOICESCOUNT, &count, NULL );
 820
 821             /* */
 822             sub = InputSourceNew( p_input );
 823             if( !InputSourceInit( p_input, sub, psz_subtitle, "subtitle",
 824                                   VLC_FALSE ) )
 825             {
 826                 TAB_APPEND( p_input->i_slave, p_input->slave, sub );
 827
 828                 /* Select the ES */
 829                 if( !var_Change( p_input, "spu-es", VLC_VAR_GETLIST, &list,
 830                                  NULL ) )
 831                 {
 832                     if( count.i_int == 0 )
 833                         count.i_int++;
 834                         /* if it was first one, there is disable too */
 835
 836                     if( count.i_int < list.p_list->i_count )
 837                     {
 838                         input_ControlPush( p_input, INPUT_CONTROL_SET_ES,
 839                                           &list.p_list->p_values[count.i_int] );
 840                     }
 841                     var_Change( p_input, "spu-es", VLC_VAR_FREELIST, &list,
 842                                 NULL );
 843                 }
 844             }
 845         }
 846
 847         var_Get( p_input, "sub-autodetect-file", &val );
 848         if( val.b_bool )
 849         {
 850             char *psz_autopath = var_GetString( p_input, "sub-autodetect-path" );
 851             char **subs = subtitles_Detect( p_input, psz_autopath,
 852                                             p_input->input.p_item->psz_uri );
 853             input_source_t *sub;
 854
 855             for( i = 0; subs && subs[i]; i++ )
 856             {
 857                 if( strcmp( psz_subtitle, subs[i] ) )
 858                 {
 859                     sub = InputSourceNew( p_input );
 860                     if( !InputSourceInit( p_input, sub, subs[i], "subtitle",
 861                                           VLC_FALSE ) )
 862                     {
 863                          TAB_APPEND( p_input->i_slave, p_input->slave, sub );
 864                     }
 865                 }
 866                 free( subs[i] );
 867             }
 868             if( subs ) free( subs );
 869             if( psz_autopath ) free( psz_autopath );
 870         }
 871         free( psz_subtitle );
 872
 873         /* Look for slave */
 874         psz = var_GetString( p_input, "input-slave" );
 875         if( *psz )
 876         {
 877             char *psz_delim;
 878             input_source_t *slave;
 879             while( psz && *psz )
 880             {
 881                 while( *psz == ' ' || *psz == '#' )
 882                 {
 883                     psz++;
 884                 }
 885                 if( ( psz_delim = strchr( psz, '#' ) ) )
 886                 {
 887                     *psz_delim++ = '\0';
 888                 }
 889                 if( *psz == 0 )
 890                 {
 891                     break;
 892                 }
 893
 894                 msg_Dbg( p_input, "adding slave input '%s'", psz );
 895                 slave = InputSourceNew( p_input );
 896                 if( !InputSourceInit( p_input, slave, psz, NULL, VLC_FALSE ) )
 897                 {
 898                     TAB_APPEND( p_input->i_slave, p_input->slave, slave );
 899                 }
 900                 psz = psz_delim;
 901             }
 902         }
 903         if( psz ) free( psz );
 904     }
 905     else
 906     {
 907         p_input->i_start = 0;
 908         p_input->i_start = 0;
 909     }
 910
 911     /* Set up es_out */
 912     if( !b_quick )
 913     {
 914         es_out_Control( p_input->p_es_out, ES_OUT_SET_ACTIVE, VLC_TRUE );
 915         i_es_out_mode = ES_OUT_MODE_AUTO;
 916         val.p_list = NULL;
 917         if( p_input->p_sout )
 918         {
 919             var_Get( p_input, "sout-all", &val );
 920             if ( val.b_bool )
 921             {
 922                 i_es_out_mode = ES_OUT_MODE_ALL;
 923                 val.p_list = NULL;
 924             }
 925             else
 926             {
 927                 var_Get( p_input, "programs", &val );
 928                 if ( val.p_list && val.p_list->i_count )
 929                 {
 930                     i_es_out_mode = ES_OUT_MODE_PARTIAL;
 931                     /* Note : we should remove the "program" callback. */
 932                 }
 933                 else
 934                     var_Change( p_input, "programs", VLC_VAR_FREELIST, &val,
 935                                 NULL );
 936             }
 937         }
 938         es_out_Control( p_input->p_es_out, ES_OUT_SET_MODE, i_es_out_mode );
 939
 940         /* Inform the demuxer about waited group (needed only for DVB) */
 941         if( i_es_out_mode == ES_OUT_MODE_ALL )
 942         {
 943             demux2_Control( p_input->input.p_demux, DEMUX_SET_GROUP, -1, NULL );
 944         }
 945         else if( i_es_out_mode == ES_OUT_MODE_PARTIAL )
 946         {
 947             demux2_Control( p_input->input.p_demux, DEMUX_SET_GROUP, -1,
 948                             val.p_list );
 949         }
 950         else
 951         {
 952             demux2_Control( p_input->input.p_demux, DEMUX_SET_GROUP,
 953                            (int) var_GetInteger( p_input, "program" ), NULL );
 954         }
 955
 956         if( p_input->p_sout )
 957         {
 958             if( p_input->p_sout->i_out_pace_nocontrol > 0 )
 959             {
 960                 p_input->b_out_pace_control = VLC_FALSE;
 961             }
 962             else
 963             {
 964                 p_input->b_out_pace_control = VLC_TRUE;
 965             }
 966
 967             if( p_input->b_can_pace_control && p_input->b_out_pace_control )
 968             {
 969                 /* We don't want a high input priority here or we'll
 970                  * end-up sucking up all the CPU time */
 971                 vlc_thread_set_priority( p_input, VLC_THREAD_PRIORITY_LOW );
 972             }
 973
 974             msg_Dbg( p_input, "starting in %s mode",
 975                      p_input->b_out_pace_control ? "asynch" : "synch" );
 976         }
 977     }
 978
 979     /* Get meta data from users */
 980     p_meta_tmp = InputMetaUser( p_input );
 981
 982     /* Get meta data from master input */
 983     if( demux2_Control( p_input->input.p_demux, DEMUX_GET_META, &p_meta ) )
 984         p_meta = NULL;
 985
 986     /* Merge them */
 987     if( p_meta == NULL )
 988     {
 989         p_meta = p_meta_tmp;
 990     }
 991     else if( p_meta_tmp )
 992     {
 993         vlc_meta_Merge( p_meta, p_meta_tmp );
 994         vlc_meta_Delete( p_meta_tmp );
 995     }
 996
 997     /* Access_file does not give any meta, and there are no slave */
 998     if( !b_quick )
 999     {
1000         if( !p_input->input.p_access ||
1001             access2_Control( p_input->input.p_access, ACCESS_GET_META,
1002                              &p_meta_tmp))
1003             p_meta_tmp = NULL;
1004
1005         if( p_meta == NULL )
1006         {
1007             p_meta = p_meta_tmp;
1008         }
1009         else if( p_meta_tmp )
1010         {
1011             vlc_meta_Merge( p_meta, p_meta_tmp );
1012             vlc_meta_Delete( p_meta_tmp );
1013         }
1014
1015         /* Get meta data from slave input */
1016         for( i = 0; i < p_input->i_slave; i++ )
1017         {
1018             vlc_meta_t *p_meta_slave;
1019
1020             if( !demux2_Control( p_input->slave[i]->p_demux,
1021                                  DEMUX_GET_META, &p_meta_slave ) )
1022             {
1023                 if( p_meta == NULL )
1024                 {
1025                     p_meta = p_meta_slave;
1026                 }
1027                 else if( p_meta_slave )
1028                 {
1029                     vlc_meta_Merge( p_meta, p_meta_slave );
1030                     vlc_meta_Delete( p_meta_slave );
1031                 }
1032             }
1033
1034             if( p_input->slave[i]->p_access &&
1035                 !access2_Control( p_input->slave[i]->p_access,
1036                                   ACCESS_GET_META, &p_meta_slave ) )
1037             {
1038                 if( p_meta == NULL )
1039                 {
1040                     p_meta = p_meta_slave;
1041                 }
1042                 else if( p_meta_slave )
1043                 {
1044                     vlc_meta_Merge( p_meta, p_meta_slave );
1045                     vlc_meta_Delete( p_meta_slave );
1046                 }
1047             }
1048         }
1049     }
1050
1051     p_input->p_meta = p_meta;
1052     UpdateMeta( p_input, b_quick );
1053
1054     if( !b_quick )
1055     {
1056         msg_Dbg( p_input, "`%s' successfully opened",
1057                  p_input->input.p_item->psz_uri );
1058
1059     }
1060
1061     /* initialization is complete */
1062     p_input->i_state = PLAYING_S;
1063
1064     val.i_int = PLAYING_S;
1065     var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1066
1067     return VLC_SUCCESS;
1068
1069 error:
1070     if( p_input->p_es_out )
1071         input_EsOutDelete( p_input->p_es_out );
1072
1073     if( p_input->p_sout )
1074         sout_DeleteInstance( p_input->p_sout );
1075
1076     /* Mark them deleted */
1077     p_input->input.p_demux = NULL;
1078     p_input->input.p_stream = NULL;
1079     p_input->input.p_access = NULL;
1080     p_input->p_es_out = NULL;
1081     p_input->p_sout = NULL;
1082
1083     return VLC_EGENERIC;
1084 }
1085
1086 /*****************************************************************************
1087  * Error: RunThread() error loop
1088  *****************************************************************************
1089  * This function is called when an error occurred during thread main's loop.
1090  *****************************************************************************/
1091 static void Error( input_thread_t *p_input )
1092 {
1093     while( !p_input->b_die )
1094     {
1095         /* Sleep a while */
1096         msleep( INPUT_IDLE_SLEEP );
1097     }
1098 }
1099
1100 /*****************************************************************************
1101  * End: end the input thread
1102  *****************************************************************************/
1103 static void End( input_thread_t * p_input )
1104 {
1105     vlc_value_t val;
1106     int i;
1107
1108     msg_Dbg( p_input, "closing input" );
1109
1110     /* We are at the end */
1111     p_input->i_state = END_S;
1112
1113     val.i_int = END_S;
1114     var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1115
1116     /* Clean control variables */
1117     input_ControlVarClean( p_input );
1118
1119     /* Clean up master */
1120     InputSourceClean( p_input, &p_input->input );
1121
1122     /* Delete slave */
1123     for( i = 0; i < p_input->i_slave; i++ )
1124     {
1125         InputSourceClean( p_input, p_input->slave[i] );
1126         free( p_input->slave[i] );
1127     }
1128     if( p_input->slave ) free( p_input->slave );
1129
1130     /* Unload all modules */
1131     if( p_input->p_es_out )
1132         input_EsOutDelete( p_input->p_es_out );
1133
1134     /* Close optional stream output instance */
1135     if( p_input->p_sout )
1136     {
1137         vlc_object_t *p_pl =
1138             vlc_object_find( p_input, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
1139         vlc_value_t keep;
1140
1141         if( var_Get( p_input, "sout-keep", &keep ) >= 0 && keep.b_bool && p_pl )
1142         {
1143             /* attach sout to the playlist */
1144             msg_Dbg( p_input, "keeping sout" );
1145             vlc_object_detach( p_input->p_sout );
1146             vlc_object_attach( p_input->p_sout, p_pl );
1147         }
1148         else
1149         {
1150             msg_Dbg( p_input, "destroying sout" );
1151             sout_DeleteInstance( p_input->p_sout );
1152         }
1153         if( p_pl )
1154             vlc_object_release( p_pl );
1155     }
1156
1157     /* Delete meta */
1158     if( p_input->p_meta )
1159         vlc_meta_Delete( p_input->p_meta );
1160
1161     /* Tell we're dead */
1162     p_input->b_dead = VLC_TRUE;
1163 }
1164
1165 /*****************************************************************************
1166  * Control
1167  *****************************************************************************/
1168 static inline int ControlPopNoLock( input_thread_t *p_input,
1169                                     int *pi_type, vlc_value_t *p_val )
1170 {
1171     if( p_input->i_control <= 0 )
1172     {
1173         return VLC_EGENERIC;
1174     }
1175
1176     *pi_type = p_input->control[0].i_type;
1177     *p_val   = p_input->control[0].val;
1178
1179     p_input->i_control--;
1180     if( p_input->i_control > 0 )
1181     {
1182         int i;
1183
1184         for( i = 0; i < p_input->i_control; i++ )
1185         {
1186             p_input->control[i].i_type = p_input->control[i+1].i_type;
1187             p_input->control[i].val    = p_input->control[i+1].val;
1188         }
1189     }
1190
1191     return VLC_SUCCESS;
1192 }
1193
1194 static void ControlReduce( input_thread_t *p_input )
1195 {
1196     int i;
1197     for( i = 1; i < p_input->i_control; i++ )
1198     {
1199         const int i_lt = p_input->control[i-1].i_type;
1200         const int i_ct = p_input->control[i].i_type;
1201
1202         /* XXX We can't merge INPUT_CONTROL_SET_ES */
1203 /*        msg_Dbg( p_input, "[%d/%d] l=%d c=%d", i, p_input->i_control,
1204                  i_lt, i_ct );
1205 */
1206         if( i_lt == i_ct &&
1207             ( i_ct == INPUT_CONTROL_SET_STATE ||
1208               i_ct == INPUT_CONTROL_SET_RATE ||
1209               i_ct == INPUT_CONTROL_SET_POSITION ||
1210               i_ct == INPUT_CONTROL_SET_TIME ||
1211               i_ct == INPUT_CONTROL_SET_PROGRAM ||
1212               i_ct == INPUT_CONTROL_SET_TITLE ||
1213               i_ct == INPUT_CONTROL_SET_SEEKPOINT ||
1214               i_ct == INPUT_CONTROL_SET_BOOKMARK ) )
1215         {
1216             int j;
1217 //            msg_Dbg( p_input, "merged at %d", i );
1218             /* Remove the i-1 */
1219             for( j = i; j <  p_input->i_control; j++ )
1220                 p_input->control[j-1] = p_input->control[j];
1221             p_input->i_control--;
1222         }
1223         else
1224         {
1225             /* TODO but that's not that important
1226                 - merge SET_X with SET_X_CMD
1227                 - remove SET_SEEKPOINT/SET_POSITION/SET_TIME before a SET_TITLE
1228                 - remove SET_SEEKPOINT/SET_POSITION/SET_TIME before another among them
1229                 - ?
1230                 */
1231         }
1232     }
1233 }
1234
1235 static vlc_bool_t Control( input_thread_t *p_input, int i_type,
1236                            vlc_value_t val )
1237 {
1238     vlc_bool_t b_force_update = VLC_FALSE;
1239
1240     if( !p_input ) return b_force_update;
1241
1242     switch( i_type )
1243     {
1244         case INPUT_CONTROL_SET_DIE:
1245             msg_Dbg( p_input, "control: stopping input" );
1246             /* Mark all submodules to die */
1247             if( p_input->input.p_access )
1248                 p_input->input.p_access->b_die = VLC_TRUE;
1249             if( p_input->input.p_stream )
1250                 p_input->input.p_stream->b_die = VLC_TRUE;
1251             p_input->input.p_demux->b_die = VLC_TRUE;
1252
1253             p_input->b_die = VLC_TRUE;
1254             break;
1255
1256         case INPUT_CONTROL_SET_POSITION:
1257         case INPUT_CONTROL_SET_POSITION_OFFSET:
1258         {
1259             double f_pos;
1260             if( i_type == INPUT_CONTROL_SET_POSITION )
1261             {
1262                 f_pos = val.f_float;
1263             }
1264             else
1265             {
1266                 /* Should not fail */
1267                 demux2_Control( p_input->input.p_demux,
1268                                 DEMUX_GET_POSITION, &f_pos );
1269                 f_pos += val.f_float;
1270             }
1271             if( f_pos < 0.0 ) f_pos = 0.0;
1272             if( f_pos > 1.0 ) f_pos = 1.0;
1273             /* Reset the decoders states and clock synch (before calling the demuxer */
1274             es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1275             input_EsOutDiscontinuity( p_input->p_es_out, VLC_FALSE );
1276             if( demux2_Control( p_input->input.p_demux, DEMUX_SET_POSITION,
1277                                 f_pos ) )
1278             {
1279                 msg_Err( p_input, "INPUT_CONTROL_SET_POSITION(_OFFSET) "
1280                          "%2.1f%% failed", f_pos * 100 );
1281             }
1282             else
1283             {
1284                 if( p_input->i_slave > 0 )
1285                     SlaveSeek( p_input );
1286
1287                 b_force_update = VLC_TRUE;
1288             }
1289             break;
1290         }
1291
1292         case INPUT_CONTROL_SET_TIME:
1293         case INPUT_CONTROL_SET_TIME_OFFSET:
1294         {
1295             int64_t i_time;
1296             int i_ret;
1297
1298             if( i_type == INPUT_CONTROL_SET_TIME )
1299             {
1300                 i_time = val.i_time;
1301             }
1302             else
1303             {
1304                 /* Should not fail */
1305                 demux2_Control( p_input->input.p_demux,
1306                                 DEMUX_GET_TIME, &i_time );
1307                 i_time += val.i_time;
1308             }
1309             if( i_time < 0 ) i_time = 0;
1310
1311             /* Reset the decoders states and clock synch (before calling the demuxer */
1312             es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1313             input_EsOutDiscontinuity( p_input->p_es_out, VLC_FALSE );
1314
1315             i_ret = demux2_Control( p_input->input.p_demux,
1316                                     DEMUX_SET_TIME, i_time );
1317             if( i_ret )
1318             {
1319                 int64_t i_length;
1320
1321                 /* Emulate it with a SET_POS */
1322                 demux2_Control( p_input->input.p_demux,
1323                                 DEMUX_GET_LENGTH, &i_length );
1324                 if( i_length > 0 )
1325                 {
1326                     double f_pos = (double)i_time / (double)i_length;
1327                     i_ret = demux2_Control( p_input->input.p_demux,
1328                                             DEMUX_SET_POSITION, f_pos );
1329                 }
1330             }
1331             if( i_ret )
1332             {
1333                 msg_Warn( p_input, "INPUT_CONTROL_SET_TIME(_OFFSET) "I64Fd
1334                          " failed or not possible", i_time );
1335             }
1336             else
1337             {
1338                 if( p_input->i_slave > 0 )
1339                     SlaveSeek( p_input );
1340
1341                 b_force_update = VLC_TRUE;
1342             }
1343             break;
1344         }
1345
1346         case INPUT_CONTROL_SET_STATE:
1347             if( ( val.i_int == PLAYING_S && p_input->i_state == PAUSE_S ) ||
1348                 ( val.i_int == PAUSE_S && p_input->i_state == PAUSE_S ) )
1349             {
1350                 int i_ret;
1351                 if( p_input->input.p_access )
1352                     i_ret = access2_Control( p_input->input.p_access,
1353                                              ACCESS_SET_PAUSE_STATE, VLC_FALSE );
1354                 else
1355                     i_ret = demux2_Control( p_input->input.p_demux,
1356                                             DEMUX_SET_PAUSE_STATE, VLC_FALSE );
1357
1358                 if( i_ret )
1359                 {
1360                     /* FIXME What to do ? */
1361                     msg_Warn( p_input, "cannot unset pause -> EOF" );
1362                     vlc_mutex_unlock( &p_input->lock_control );
1363                     input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
1364                     vlc_mutex_lock( &p_input->lock_control );
1365                 }
1366
1367                 b_force_update = VLC_TRUE;
1368
1369                 /* Switch to play */
1370                 p_input->i_state = PLAYING_S;
1371                 val.i_int = PLAYING_S;
1372                 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1373
1374                 /* Reset clock */
1375                 es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1376                 input_EsOutDiscontinuity( p_input->p_es_out, VLC_FALSE );
1377             }
1378             else if( val.i_int == PAUSE_S && p_input->i_state == PLAYING_S &&
1379                      p_input->b_can_pause )
1380             {
1381                 int i_ret;
1382                 if( p_input->input.p_access )
1383                     i_ret = access2_Control( p_input->input.p_access,
1384                                              ACCESS_SET_PAUSE_STATE, VLC_TRUE );
1385                 else
1386                     i_ret = demux2_Control( p_input->input.p_demux,
1387                                             DEMUX_SET_PAUSE_STATE, VLC_TRUE );
1388
1389                 b_force_update = VLC_TRUE;
1390
1391                 if( i_ret )
1392                 {
1393                     msg_Warn( p_input, "cannot set pause state" );
1394                     val.i_int = p_input->i_state;
1395                 }
1396                 else
1397                 {
1398                     val.i_int = PAUSE_S;
1399                 }
1400
1401                 /* Switch to new state */
1402                 p_input->i_state = val.i_int;
1403                 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1404             }
1405             else if( val.i_int == PAUSE_S && !p_input->b_can_pause )
1406             {
1407                 b_force_update = VLC_TRUE;
1408
1409                 /* Correct "state" value */
1410                 val.i_int = p_input->i_state;
1411                 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1412             }
1413             else if( val.i_int != PLAYING_S && val.i_int != PAUSE_S )
1414             {
1415                 msg_Err( p_input, "invalid state in INPUT_CONTROL_SET_STATE" );
1416             }
1417             break;
1418
1419         case INPUT_CONTROL_SET_RATE:
1420         case INPUT_CONTROL_SET_RATE_SLOWER:
1421         case INPUT_CONTROL_SET_RATE_FASTER:
1422         {
1423             int i_rate;
1424
1425             if( i_type == INPUT_CONTROL_SET_RATE_SLOWER )
1426                 i_rate = p_input->i_rate * 2;
1427             else if( i_type == INPUT_CONTROL_SET_RATE_FASTER )
1428                 i_rate = p_input->i_rate / 2;
1429             else
1430                 i_rate = val.i_int;
1431
1432             if( i_rate < INPUT_RATE_MIN )
1433             {
1434                 msg_Dbg( p_input, "cannot set rate faster" );
1435                 i_rate = INPUT_RATE_MIN;
1436             }
1437             else if( i_rate > INPUT_RATE_MAX )
1438             {
1439                 msg_Dbg( p_input, "cannot set rate slower" );
1440                 i_rate = INPUT_RATE_MAX;
1441             }
1442             if( i_rate != INPUT_RATE_DEFAULT &&
1443                 ( !p_input->b_can_pace_control ||
1444                   ( p_input->p_sout && !p_input->b_out_pace_control ) ) )
1445             {
1446                 msg_Dbg( p_input, "cannot change rate" );
1447                 i_rate = INPUT_RATE_DEFAULT;
1448             }
1449             if( i_rate != p_input->i_rate )
1450             {
1451                 p_input->i_rate  = i_rate;
1452                 val.i_int = i_rate;
1453                 var_Change( p_input, "rate", VLC_VAR_SETVALUE, &val, NULL );
1454
1455                 /* We haven't send data to decoder when rate != default */
1456                 if( i_rate == INPUT_RATE_DEFAULT )
1457                     input_EsOutDiscontinuity( p_input->p_es_out, VLC_TRUE );
1458
1459                 /* Reset clock */
1460                 es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1461
1462                 b_force_update = VLC_TRUE;
1463             }
1464             break;
1465         }
1466
1467         case INPUT_CONTROL_SET_PROGRAM:
1468             /* No need to force update, es_out does it if needed */
1469             es_out_Control( p_input->p_es_out,
1470                             ES_OUT_SET_GROUP, val.i_int );
1471
1472             demux2_Control( p_input->input.p_demux, DEMUX_SET_GROUP, val.i_int,
1473                             NULL );
1474             break;
1475
1476         case INPUT_CONTROL_SET_ES:
1477             /* No need to force update, es_out does it if needed */
1478             es_out_Control( p_input->p_es_out, ES_OUT_SET_ES,
1479                             input_EsOutGetFromID( p_input->p_es_out,
1480                                                   val.i_int ) );
1481             break;
1482
1483         case INPUT_CONTROL_SET_AUDIO_DELAY:
1484             input_EsOutSetDelay( p_input->p_es_out,
1485                                  AUDIO_ES, val.i_time );
1486             var_Change( p_input, "audio-delay", VLC_VAR_SETVALUE, &val, NULL );
1487             break;
1488
1489         case INPUT_CONTROL_SET_SPU_DELAY:
1490             input_EsOutSetDelay( p_input->p_es_out,
1491                                  SPU_ES, val.i_time );
1492             var_Change( p_input, "spu-delay", VLC_VAR_SETVALUE, &val, NULL );
1493             break;
1494
1495         case INPUT_CONTROL_SET_TITLE:
1496         case INPUT_CONTROL_SET_TITLE_NEXT:
1497         case INPUT_CONTROL_SET_TITLE_PREV:
1498             if( p_input->input.b_title_demux &&
1499                 p_input->input.i_title > 0 )
1500             {
1501                 /* TODO */
1502                 /* FIXME handle demux title */
1503                 demux_t *p_demux = p_input->input.p_demux;
1504                 int i_title;
1505
1506                 if( i_type == INPUT_CONTROL_SET_TITLE_PREV )
1507                     i_title = p_demux->info.i_title - 1;
1508                 else if( i_type == INPUT_CONTROL_SET_TITLE_NEXT )
1509                     i_title = p_demux->info.i_title + 1;
1510                 else
1511                     i_title = val.i_int;
1512
1513                 if( i_title >= 0 && i_title < p_input->input.i_title )
1514                 {
1515                     input_EsOutDiscontinuity( p_input->p_es_out, VLC_FALSE );
1516                     es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1517
1518                     demux2_Control( p_demux, DEMUX_SET_TITLE, i_title );
1519                     input_ControlVarTitle( p_input, i_title );
1520                 }
1521             }
1522             else if( p_input->input.i_title > 0 )
1523             {
1524                 access_t *p_access = p_input->input.p_access;
1525                 int i_title;
1526
1527                 if( i_type == INPUT_CONTROL_SET_TITLE_PREV )
1528                     i_title = p_access->info.i_title - 1;
1529                 else if( i_type == INPUT_CONTROL_SET_TITLE_NEXT )
1530                     i_title = p_access->info.i_title + 1;
1531                 else
1532                     i_title = val.i_int;
1533
1534                 if( i_title >= 0 && i_title < p_input->input.i_title )
1535                 {
1536                     input_EsOutDiscontinuity( p_input->p_es_out, VLC_FALSE );
1537                     es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1538
1539                     access2_Control( p_access, ACCESS_SET_TITLE, i_title );
1540                     stream_AccessReset( p_input->input.p_stream );
1541                 }
1542             }
1543             break;
1544         case INPUT_CONTROL_SET_SEEKPOINT:
1545         case INPUT_CONTROL_SET_SEEKPOINT_NEXT:
1546         case INPUT_CONTROL_SET_SEEKPOINT_PREV:
1547             if( p_input->input.b_title_demux &&
1548                 p_input->input.i_title > 0 )
1549             {
1550                 demux_t *p_demux = p_input->input.p_demux;
1551                 int i_seekpoint;
1552                 int64_t i_input_time;
1553                 int64_t i_seekpoint_time;
1554
1555                 if( i_type == INPUT_CONTROL_SET_SEEKPOINT_PREV )
1556                 {
1557                     i_seekpoint = p_demux->info.i_seekpoint;
1558                     i_seekpoint_time = p_input->input.title[p_demux->info.i_title]->seekpoint[i_seekpoint]->i_time_offset;
1559                     if( i_seekpoint_time >= 0 &&
1560                          !demux2_Control( p_demux,
1561                                           DEMUX_GET_TIME, &i_input_time ) )
1562                     {
1563                         if ( i_input_time < i_seekpoint_time + 3000000 )
1564                             i_seekpoint--;
1565                     }
1566                     else
1567                         i_seekpoint--;
1568                 }
1569                 else if( i_type == INPUT_CONTROL_SET_SEEKPOINT_NEXT )
1570                     i_seekpoint = p_demux->info.i_seekpoint + 1;
1571                 else
1572                     i_seekpoint = val.i_int;
1573
1574                 if( i_seekpoint >= 0 && i_seekpoint <
1575                     p_input->input.title[p_demux->info.i_title]->i_seekpoint )
1576                 {
1577                     input_EsOutDiscontinuity( p_input->p_es_out, VLC_FALSE );
1578                     es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1579
1580                     demux2_Control( p_demux, DEMUX_SET_SEEKPOINT, i_seekpoint );
1581                 }
1582             }
1583             else if( p_input->input.i_title > 0 )
1584             {
1585                 demux_t *p_demux = p_input->input.p_demux;
1586                 access_t *p_access = p_input->input.p_access;
1587                 int i_seekpoint;
1588                 int64_t i_input_time;
1589                 int64_t i_seekpoint_time;
1590
1591                 if( i_type == INPUT_CONTROL_SET_SEEKPOINT_PREV )
1592                 {
1593                     i_seekpoint = p_access->info.i_seekpoint;
1594                     i_seekpoint_time = p_input->input.title[p_access->info.i_title]->seekpoint[i_seekpoint]->i_time_offset;
1595                     if( i_seekpoint_time >= 0 &&
1596                         demux2_Control( p_demux,
1597                                         DEMUX_GET_TIME, &i_input_time ) )
1598                     {
1599                         if ( i_input_time < i_seekpoint_time + 3000000 )
1600                             i_seekpoint--;
1601                     }
1602                     else
1603                         i_seekpoint--;
1604                 }
1605                 else if( i_type == INPUT_CONTROL_SET_SEEKPOINT_NEXT )
1606                     i_seekpoint = p_access->info.i_seekpoint + 1;
1607                 else
1608                     i_seekpoint = val.i_int;
1609
1610                 if( i_seekpoint >= 0 && i_seekpoint <
1611                     p_input->input.title[p_access->info.i_title]->i_seekpoint )
1612                 {
1613                     input_EsOutDiscontinuity( p_input->p_es_out, VLC_FALSE );
1614                     es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1615
1616                     access2_Control( p_access, ACCESS_SET_SEEKPOINT, i_seekpoint );
1617                     stream_AccessReset( p_input->input.p_stream );
1618                 }
1619             }
1620             break;
1621
1622         case INPUT_CONTROL_ADD_SLAVE:
1623             if( val.psz_string )
1624             {
1625                 input_source_t *slave = InputSourceNew( p_input );
1626
1627                 if( !InputSourceInit( p_input, slave, val.psz_string, NULL,
1628                                       VLC_FALSE ) )
1629                 {
1630                     vlc_meta_t *p_meta_new = NULL;
1631                     vlc_meta_t *p_meta;
1632                     int64_t i_time;
1633
1634                     /* Add the slave */
1635                     msg_Dbg( p_input, "adding %s as slave on the fly",
1636                              val.psz_string );
1637
1638                     /* Set position */
1639                     if( demux2_Control( p_input->input.p_demux,
1640                                         DEMUX_GET_TIME, &i_time ) )
1641                     {
1642                         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
1643                         InputSourceClean( p_input, slave );
1644                         free( slave );
1645                         break;
1646                     }
1647                     if( demux2_Control( slave->p_demux,
1648                                         DEMUX_SET_TIME, i_time ) )
1649                     {
1650                         msg_Err( p_input, "seek failed for new slave" );
1651                         InputSourceClean( p_input, slave );
1652                         free( slave );
1653                         break;
1654                     }
1655
1656
1657                     /* Get meta (access and demux) */
1658                     if( access2_Control( slave->p_access,
1659                                           ACCESS_GET_META, &p_meta_new ) )
1660                         p_meta_new = NULL;
1661                     if( !demux2_Control( slave->p_demux,
1662                                          DEMUX_GET_META, &p_meta ) )
1663                     {
1664                         if( p_meta_new )
1665                         {
1666                             vlc_meta_Merge( p_meta_new, p_meta );
1667                             vlc_meta_Delete( p_meta );
1668                         }
1669                         else
1670                         {
1671                             p_meta_new = p_meta;
1672                         }
1673                     }
1674                     /* Update meta */
1675                     if( p_meta_new )
1676                     {
1677                         if( p_input->p_meta )
1678                         {
1679                             vlc_meta_Merge( p_input->p_meta, p_meta_new );
1680                             vlc_meta_Delete( p_meta_new );
1681                         }
1682                         else
1683                         {
1684                             p_input->p_meta = p_meta_new;
1685                         }
1686                         UpdateMeta( p_input, VLC_FALSE );
1687                     }
1688
1689                     TAB_APPEND( p_input->i_slave, p_input->slave, slave );
1690                 }
1691                 else
1692                 {
1693                     msg_Warn( p_input, "failed to add %s as slave",
1694                               val.psz_string );
1695                 }
1696
1697                 free( val.psz_string );
1698             }
1699             break;
1700
1701         case INPUT_CONTROL_SET_BOOKMARK:
1702         default:
1703             msg_Err( p_input, "not yet implemented" );
1704             break;
1705     }
1706
1707     return b_force_update;
1708 }
1709
1710 /*****************************************************************************
1711  * UpdateFromDemux:
1712  *****************************************************************************/
1713 static int UpdateFromDemux( input_thread_t *p_input )
1714 {
1715     demux_t *p_demux = p_input->input.p_demux;
1716     vlc_value_t v;
1717
1718     if( p_demux->info.i_update & INPUT_UPDATE_TITLE )
1719     {
1720         v.i_int = p_demux->info.i_title;
1721         var_Change( p_input, "title", VLC_VAR_SETVALUE, &v, NULL );
1722
1723         input_ControlVarTitle( p_input, p_demux->info.i_title );
1724
1725         p_demux->info.i_update &= ~INPUT_UPDATE_TITLE;
1726     }
1727     if( p_demux->info.i_update & INPUT_UPDATE_SEEKPOINT )
1728     {
1729         v.i_int = p_demux->info.i_seekpoint;
1730         var_Change( p_input, "chapter", VLC_VAR_SETVALUE, &v, NULL);
1731
1732         p_demux->info.i_update &= ~INPUT_UPDATE_SEEKPOINT;
1733     }
1734     p_demux->info.i_update &= ~INPUT_UPDATE_SIZE;
1735
1736     /* Hmmm only works with master input */
1737     if( p_input->input.p_demux == p_demux )
1738     {
1739         int i_title_end = p_input->input.i_title_end -
1740             p_input->input.i_title_offset;
1741         int i_seekpoint_end = p_input->input.i_seekpoint_end -
1742             p_input->input.i_seekpoint_offset;
1743
1744         if( i_title_end >= 0 && i_seekpoint_end >= 0 )
1745         {
1746             if( p_demux->info.i_title > i_title_end ||
1747                 ( p_demux->info.i_title == i_title_end &&
1748                   p_demux->info.i_seekpoint > i_seekpoint_end ) ) return 0;
1749         }
1750         else if( i_seekpoint_end >=0 )
1751         {
1752             if( p_demux->info.i_seekpoint > i_seekpoint_end ) return 0;
1753         }
1754         else if( i_title_end >= 0 )
1755         {
1756             if( p_demux->info.i_title > i_title_end ) return 0;
1757         }
1758     }
1759
1760     return 1;
1761 }
1762
1763 /*****************************************************************************
1764  * UpdateFromAccess:
1765  *****************************************************************************/
1766 static int UpdateFromAccess( input_thread_t *p_input )
1767 {
1768     access_t *p_access = p_input->input.p_access;
1769     vlc_value_t v;
1770
1771     if( p_access->info.i_update & INPUT_UPDATE_TITLE )
1772     {
1773         v.i_int = p_access->info.i_title;
1774         var_Change( p_input, "title", VLC_VAR_SETVALUE, &v, NULL );
1775
1776         input_ControlVarTitle( p_input, p_access->info.i_title );
1777
1778         stream_AccessUpdate( p_input->input.p_stream );
1779
1780         p_access->info.i_update &= ~INPUT_UPDATE_TITLE;
1781     }
1782     if( p_access->info.i_update & INPUT_UPDATE_SEEKPOINT )
1783     {
1784         v.i_int = p_access->info.i_seekpoint;
1785         var_Change( p_input, "chapter", VLC_VAR_SETVALUE, &v, NULL);
1786
1787         p_access->info.i_update &= ~INPUT_UPDATE_SEEKPOINT;
1788     }
1789     if( p_access->info.i_update & INPUT_UPDATE_META )
1790     {
1791         /* TODO maybe multi - access ? */
1792         vlc_meta_t *p_meta;
1793         if( !access2_Control( p_input->input.p_access,ACCESS_GET_META,&p_meta))
1794         {
1795             if( p_input->p_meta )
1796             {
1797                 vlc_meta_Merge( p_input->p_meta, p_meta );
1798                 vlc_meta_Delete( p_meta );
1799             }
1800             else
1801             {
1802                 p_input->p_meta = p_meta;
1803             }
1804
1805             UpdateMeta( p_input, VLC_FALSE );
1806             var_SetBool( p_input, "item-change", p_input->input.p_item->i_id );
1807         }
1808         p_access->info.i_update &= ~INPUT_UPDATE_META;
1809     }
1810
1811     p_access->info.i_update &= ~INPUT_UPDATE_SIZE;
1812
1813     /* Hmmm only works with master input */
1814     if( p_input->input.p_access == p_access )
1815     {
1816         int i_title_end = p_input->input.i_title_end -
1817             p_input->input.i_title_offset;
1818         int i_seekpoint_end = p_input->input.i_seekpoint_end -
1819             p_input->input.i_seekpoint_offset;
1820
1821         if( i_title_end >= 0 && i_seekpoint_end >=0 )
1822         {
1823             if( p_access->info.i_title > i_title_end ||
1824                 ( p_access->info.i_title == i_title_end &&
1825                   p_access->info.i_seekpoint > i_seekpoint_end ) ) return 0;
1826         }
1827         else if( i_seekpoint_end >=0 )
1828         {
1829             if( p_access->info.i_seekpoint > i_seekpoint_end ) return 0;
1830         }
1831         else if( i_title_end >= 0 )
1832         {
1833             if( p_access->info.i_title > i_title_end ) return 0;
1834         }
1835     }
1836
1837     return 1;
1838 }
1839
1840 /*****************************************************************************
1841  * UpdateMeta:
1842  *****************************************************************************/
1843 static int  UpdateMeta( input_thread_t *p_input, vlc_bool_t b_quick )
1844 {
1845     vlc_meta_t *p_meta = p_input->p_meta;
1846     int i;
1847
1848     if( !p_meta || p_meta->i_meta == 0 )
1849         return VLC_SUCCESS;
1850
1851     if( !b_quick ) msg_Dbg( p_input, "meta information:" );
1852     for( i = 0; i < p_meta->i_meta; i++ )
1853     {
1854         if( !b_quick )
1855             msg_Dbg( p_input, "  - '%s' = '%s'",
1856                      _(p_meta->name[i]), p_meta->value[i] );
1857
1858         if( !strcmp(p_meta->name[i], VLC_META_TITLE) && p_meta->value[i] &&
1859             !p_input->input.p_item->b_fixed_name )
1860             input_Control( p_input, INPUT_SET_NAME, p_meta->value[i] );
1861
1862         if( !strcmp( p_meta->name[i], VLC_META_AUTHOR ) )
1863             input_Control( p_input, INPUT_ADD_INFO, _("General"),
1864                            _("Author"), p_meta->value[i] );
1865
1866         input_Control( p_input, INPUT_ADD_INFO, _("Meta-information"),
1867                       _(p_meta->name[i]), "%s", p_meta->value[i] );
1868     }
1869
1870     for( i = 0; i < p_meta->i_track; i++ )
1871     {
1872         vlc_meta_t *tk = p_meta->track[i];
1873         int j;
1874
1875         if( tk->i_meta > 0 )
1876         {
1877             char *psz_cat = malloc( strlen(_("Stream")) + 10 );
1878
1879             msg_Dbg( p_input, "  - track[%d]:", i );
1880
1881             sprintf( psz_cat, "%s %d", _("Stream"), i );
1882             for( j = 0; j < tk->i_meta; j++ )
1883             {
1884                 msg_Dbg( p_input, "     - '%s' = '%s'", _(tk->name[j]),
1885                          tk->value[j] );
1886
1887                 input_Control( p_input, INPUT_ADD_INFO, psz_cat,
1888                                _(tk->name[j]), "%s", tk->value[j] );
1889             }
1890         }
1891     }
1892
1893     if( p_input->p_sout && p_input->p_sout->p_meta == NULL )
1894     {
1895         p_input->p_sout->p_meta = vlc_meta_Duplicate( p_meta );
1896     }
1897
1898     return VLC_SUCCESS;
1899 }
1900
1901 /*****************************************************************************
1902  * UpdateItemLength:
1903  *****************************************************************************/
1904 static void UpdateItemLength( input_thread_t *p_input, int64_t i_length,
1905                               vlc_bool_t b_quick )
1906 {
1907     playlist_t *p_playlist;
1908     char psz_buffer[MSTRTIME_MAX_SIZE];
1909
1910     vlc_mutex_lock( &p_input->input.p_item->lock );
1911     p_input->input.p_item->i_duration = i_length;
1912     vlc_mutex_unlock( &p_input->input.p_item->lock );
1913
1914         p_playlist = vlc_object_find( p_input, VLC_OBJECT_PLAYLIST,
1915                                                FIND_PARENT);
1916     if( p_playlist )
1917     {
1918         var_SetInteger( p_playlist, "item-change",
1919                         p_input->input.p_item->i_id );
1920         vlc_object_release( p_playlist );
1921     }
1922
1923     input_Control( p_input, INPUT_ADD_INFO, _("General"), _("Duration"),
1924                    msecstotimestr( psz_buffer, i_length / 1000 ) );
1925 }
1926
1927 /*****************************************************************************
1928  * InputSourceNew:
1929  *****************************************************************************/
1930 static input_source_t *InputSourceNew( input_thread_t *p_input )
1931 {
1932     input_source_t *in = (input_source_t*) malloc( sizeof( input_source_t ) );
1933
1934     if( !in )
1935     {
1936         msg_Err( p_input, "out of memory for new input source" );
1937         return NULL;
1938     }
1939
1940     in->p_item   = NULL;
1941     in->p_access = NULL;
1942     in->p_stream = NULL;
1943     in->p_demux  = NULL;
1944     in->b_title_demux = VLC_FALSE;
1945     in->i_title  = 0;
1946     in->title    = NULL;
1947     in->b_can_pace_control = VLC_TRUE;
1948     in->b_eof = VLC_FALSE;
1949     in->i_cr_average = 0;
1950
1951     return in;
1952 }
1953
1954 /*****************************************************************************
1955  * InputSourceInit:
1956  *****************************************************************************/
1957 static int InputSourceInit( input_thread_t *p_input,
1958                             input_source_t *in, char *psz_mrl,
1959                             char *psz_forced_demux, vlc_bool_t b_quick )
1960 {
1961     char *psz_dup = strdup( psz_mrl );
1962     char *psz_access;
1963     char *psz_demux;
1964     char *psz_path;
1965     char *psz_tmp;
1966     char *psz;
1967     vlc_value_t val;
1968
1969     if( !in ) return VLC_EGENERIC;
1970
1971     /* Split uri */
1972     if( !b_quick )
1973     {
1974         MRLSplit( VLC_OBJECT(p_input), psz_dup,
1975                   &psz_access, &psz_demux, &psz_path );
1976
1977         msg_Dbg( p_input, "`%s' gives access `%s' demux `%s' path `%s'",
1978                  psz_mrl, psz_access, psz_demux, psz_path );
1979
1980         /* Hack to allow udp://@:port syntax */
1981         if( !psz_access ||
1982             (strncmp( psz_access, "udp", 3 ) &&
1983              strncmp( psz_access, "rtp", 3 )) )
1984
1985         /* Find optional titles and seekpoints */
1986         MRLSections( p_input, psz_path, &in->i_title_start, &in->i_title_end,
1987                      &in->i_seekpoint_start, &in->i_seekpoint_end );
1988
1989         if( psz_forced_demux && *psz_forced_demux )
1990         {
1991             psz_demux = psz_forced_demux;
1992         }
1993         else if( !psz_demux || *psz_demux == '\0' )
1994         {
1995             /* special hack for forcing a demuxer with --demux=module
1996              * (and do nothing with a list) */
1997             char *psz_var_demux = var_GetString( p_input, "demux" );
1998
1999             if( *psz_var_demux != '\0' &&
2000                 !strchr(psz_var_demux, ',' ) &&
2001                 !strchr(psz_var_demux, ':' ) )
2002             {
2003                 psz_demux = psz_var_demux;
2004
2005                 msg_Dbg( p_input, "Enforce demux ` %s'", psz_demux );
2006             }
2007             else if( psz_var_demux )
2008             {
2009                 free( psz_var_demux );
2010             }
2011         }
2012
2013         /* Try access_demux if no demux given */
2014         if( *psz_demux == '\0' )
2015         {
2016             in->p_demux = demux2_New( p_input, psz_access, psz_demux, psz_path,
2017                                       NULL, p_input->p_es_out, VLC_FALSE );
2018         }
2019     }
2020     else
2021     {
2022         psz_path = psz_mrl;
2023         msg_Dbg( p_input, "trying to preparse %s",  psz_path );
2024         psz_demux = strdup( "" );
2025         psz_access = strdup( "file" );
2026     }
2027
2028     if( in->p_demux )
2029     {
2030         int64_t i_pts_delay;
2031
2032         /* Get infos from access_demux */
2033         demux2_Control( in->p_demux,
2034                         DEMUX_GET_PTS_DELAY, &i_pts_delay );
2035         p_input->i_pts_delay = __MAX( p_input->i_pts_delay, i_pts_delay );
2036
2037         in->b_title_demux = VLC_TRUE;
2038         if( demux2_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
2039                             &in->title, &in->i_title,
2040                             &in->i_title_offset, &in->i_seekpoint_offset ) )
2041         {
2042             in->i_title = 0;
2043             in->title   = NULL;
2044         }
2045         demux2_Control( in->p_demux, DEMUX_CAN_CONTROL_PACE,
2046                         &in->b_can_pace_control );
2047         demux2_Control( in->p_demux, DEMUX_CAN_PAUSE,
2048                         &in->b_can_pause );
2049
2050         /* FIXME todo
2051         demux2_Control( in->p_demux, DEMUX_CAN_SEEK,
2052                         &val.b_bool );
2053         */
2054     }
2055     else
2056     {
2057         int64_t i_pts_delay;
2058
2059         /* Now try a real access */
2060         in->p_access = access2_New( p_input, psz_access, psz_demux, psz_path,
2061                                     b_quick );
2062
2063         /* Access failed, URL encoded ? */
2064         if( in->p_access == NULL && strchr( psz_path, '%' ) )
2065         {
2066             DecodeUrl( psz_path );
2067
2068             msg_Dbg( p_input, "retrying with access `%s' demux `%s' path `%s'",
2069                      psz_access, psz_demux, psz_path );
2070
2071             in->p_access = access2_New( p_input,
2072                                         psz_access, psz_demux, psz_path,
2073                                         b_quick );
2074         }
2075 #ifndef WIN32      /* Remove this gross hack from the win32 build as colons
2076                         * are forbidden in filenames on Win32. */
2077
2078         /* Maybe we got something like: /Volumes/toto:titi/gabu.mpg */
2079         if( in->p_access == NULL &&
2080             *psz_access == '\0' && ( *psz_demux || *psz_path ) )
2081         {
2082             if( psz_dup ) free( psz_dup );
2083             psz_dup = strdup( psz_mrl );
2084             psz_access = "";
2085             psz_demux = "";
2086             psz_path = psz_dup;
2087
2088             in->p_access = access2_New( p_input,
2089                                         psz_access, psz_demux, psz_path,
2090                                         b_quick );
2091         }
2092 #endif
2093
2094         if( in->p_access == NULL )
2095         {
2096             msg_Err( p_input, "no suitable access module for `%s'", psz_mrl );
2097             goto error;
2098         }
2099
2100         /* */
2101         psz_tmp = psz = var_GetString( p_input, "access-filter" );
2102         while( psz && *psz )
2103         {
2104             access_t *p_access = in->p_access;
2105             char *end = strchr( psz, ':' );
2106
2107             if( end )
2108                 *end++ = '\0';
2109
2110             in->p_access = access2_FilterNew( in->p_access, psz );
2111             if( in->p_access == NULL )
2112             {
2113                 in->p_access = p_access;
2114                 msg_Warn( p_input, "failed to insert access filter %s",
2115                           psz );
2116             }
2117
2118             psz = end;
2119         }
2120         if( psz_tmp ) free( psz_tmp );
2121
2122         /* Get infos from access */
2123         if( !b_quick )
2124         {
2125             access2_Control( in->p_access,
2126                              ACCESS_GET_PTS_DELAY, &i_pts_delay );
2127             p_input->i_pts_delay = __MAX( p_input->i_pts_delay, i_pts_delay );
2128
2129             in->b_title_demux = VLC_FALSE;
2130             if( access2_Control( in->p_access, ACCESS_GET_TITLE_INFO,
2131                                  &in->title, &in->i_title,
2132                                 &in->i_title_offset, &in->i_seekpoint_offset ) )
2133
2134             {
2135                 in->i_title = 0;
2136                 in->title   = NULL;
2137             }
2138             access2_Control( in->p_access, ACCESS_CAN_CONTROL_PACE,
2139                              &in->b_can_pace_control );
2140             access2_Control( in->p_access, ACCESS_CAN_PAUSE,
2141                              &in->b_can_pause );
2142             access2_Control( in->p_access, ACCESS_CAN_SEEK,
2143                              &val.b_bool );
2144             var_Set( p_input, "seekable", val );
2145         }
2146
2147         /* Create the stream_t */
2148         in->p_stream = stream_AccessNew( in->p_access, b_quick );
2149         if( in->p_stream == NULL )
2150         {
2151             msg_Warn( p_input, "cannot create a stream_t from access" );
2152             goto error;
2153         }
2154
2155         /* Open a demuxer */
2156         if( *psz_demux == '\0' && *in->p_access->psz_demux )
2157         {
2158             psz_demux = in->p_access->psz_demux;
2159         }
2160         in->p_demux = demux2_New( p_input, psz_access, psz_demux, psz_path,
2161                                   in->p_stream, p_input->p_es_out, b_quick );
2162         if( in->p_demux == NULL )
2163         {
2164             msg_Err( p_input, "no suitable demux module for `%s/%s://%s'",
2165                      psz_access, psz_demux, psz_path );
2166             goto error;
2167         }
2168
2169         /* TODO get title from demux */
2170         if( !b_quick && in->i_title <= 0 )
2171         {
2172             if( demux2_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
2173                                 &in->title, &in->i_title,
2174                                 &in->i_title_offset, &in->i_seekpoint_offset ))
2175             {
2176                 in->i_title = 0;
2177                 in->title   = NULL;
2178             }
2179             else
2180             {
2181                 in->b_title_demux = VLC_TRUE;
2182             }
2183         }
2184     }
2185
2186     if( var_GetInteger( p_input, "clock-synchro" ) != -1 )
2187         in->b_can_pace_control = !var_GetInteger( p_input, "clock-synchro" );
2188
2189     if( psz_dup ) free( psz_dup );
2190     return VLC_SUCCESS;
2191
2192 error:
2193     if( in->p_demux )
2194         demux2_Delete( in->p_demux );
2195
2196     if( in->p_stream )
2197         stream_Delete( in->p_stream );
2198
2199     if( in->p_access )
2200         access2_Delete( in->p_access );
2201     if( psz_dup ) free( psz_dup );
2202
2203     return VLC_EGENERIC;
2204 }
2205
2206 /*****************************************************************************
2207  * InputSourceClean:
2208  *****************************************************************************/
2209 static void InputSourceClean( input_thread_t *p_input, input_source_t *in )
2210 {
2211     if( in->p_demux )
2212         demux2_Delete( in->p_demux );
2213
2214     if( in->p_stream )
2215         stream_Delete( in->p_stream );
2216
2217     if( in->p_access )
2218         access2_Delete( in->p_access );
2219
2220     if( in->i_title > 0 )
2221     {
2222         int i;
2223         for( i = 0; i < in->i_title; i++ )
2224         {
2225             vlc_input_title_Delete( in->title[i] );
2226         }
2227         free( in->title );
2228     }
2229 }
2230
2231 static void SlaveDemux( input_thread_t *p_input )
2232 {
2233     int64_t i_time;
2234     int i;
2235
2236     if( demux2_Control( p_input->input.p_demux, DEMUX_GET_TIME, &i_time ) )
2237     {
2238         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
2239         return;
2240     }
2241
2242     for( i = 0; i < p_input->i_slave; i++ )
2243     {
2244         input_source_t *in = p_input->slave[i];
2245         int i_ret = 1;
2246
2247         if( in->b_eof )
2248             continue;
2249
2250         if( demux2_Control( in->p_demux, DEMUX_SET_NEXT_DEMUX_TIME, i_time ) )
2251         {
2252             for( ;; )
2253             {
2254                 int64_t i_stime;
2255                 if( demux2_Control( in->p_demux, DEMUX_GET_TIME, &i_stime ) )
2256                 {
2257                     msg_Err( p_input, "slave[%d] doesn't like "
2258                              "DEMUX_GET_TIME -> EOF", i );
2259                     i_ret = 0;
2260                     break;
2261                 }
2262
2263                 if( i_stime >= i_time )
2264                     break;
2265
2266                 if( ( i_ret = in->p_demux->pf_demux( in->p_demux ) ) <= 0 )
2267                     break;
2268             }
2269         }
2270         else
2271         {
2272             i_ret = in->p_demux->pf_demux( in->p_demux );
2273         }
2274
2275         if( i_ret <= 0 )
2276         {
2277             msg_Dbg( p_input, "slave %d EOF", i );
2278             in->b_eof = VLC_TRUE;
2279         }
2280     }
2281 }
2282
2283 static void SlaveSeek( input_thread_t *p_input )
2284 {
2285     int64_t i_time;
2286     int i;
2287
2288     if( demux2_Control( p_input->input.p_demux, DEMUX_GET_TIME, &i_time ) )
2289     {
2290         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
2291         return;
2292     }
2293
2294     for( i = 0; i < p_input->i_slave; i++ )
2295     {
2296         input_source_t *in = p_input->slave[i];
2297
2298         if( demux2_Control( in->p_demux, DEMUX_SET_TIME, i_time ) )
2299         {
2300             msg_Err( p_input, "seek failed for slave %d -> EOF", i );
2301             in->b_eof = VLC_TRUE;
2302         }
2303     }
2304 }
2305 /*****************************************************************************
2306  * InputMetaUser:
2307  *****************************************************************************/
2308 static vlc_meta_t *InputMetaUser( input_thread_t *p_input )
2309 {
2310     vlc_meta_t *p_meta;
2311     vlc_value_t val;
2312
2313     if( ( p_meta = vlc_meta_New() ) == NULL )
2314         return NULL;
2315
2316     /* Get meta information from user */
2317 #define GET_META( c, s ) \
2318     var_Get( p_input, (s), &val );  \
2319     if( *val.psz_string )       \
2320         vlc_meta_Add( p_meta, c, val.psz_string ); \
2321     free( val.psz_string )
2322
2323     GET_META( VLC_META_TITLE, "meta-title" );
2324     GET_META( VLC_META_AUTHOR, "meta-author" );
2325     GET_META( VLC_META_ARTIST, "meta-artist" );
2326     GET_META( VLC_META_GENRE, "meta-genre" );
2327     GET_META( VLC_META_COPYRIGHT, "meta-copyright" );
2328     GET_META( VLC_META_DESCRIPTION, "meta-description" );
2329     GET_META( VLC_META_DATE, "meta-date" );
2330     GET_META( VLC_META_URL, "meta-url" );
2331 #undef GET_META
2332
2333     return p_meta;
2334 }
2335
2336 /*****************************************************************************
2337  * DecodeUrl: decode a given encoded url
2338  *****************************************************************************/
2339 static void DecodeUrl( char *psz )
2340 {
2341     char *dup = strdup( psz );
2342     char *p = dup;
2343
2344     while( *p )
2345     {
2346         if( *p == '%' )
2347         {
2348             char val[3];
2349             p++;
2350             if( !*p )
2351             {
2352                 break;
2353             }
2354
2355             val[0] = *p++;
2356             val[1] = *p++;
2357             val[2] = '\0';
2358
2359             *psz++ = strtol( val, NULL, 16 );
2360         }
2361         else if( *p == '+' )
2362         {
2363             *psz++ = ' ';
2364             p++;
2365         }
2366         else
2367         {
2368             *psz++ = *p++;
2369         }
2370     }
2371     if( psz ) *psz++  ='\0';
2372     if( dup ) free( dup );
2373 }
2374
2375 /*****************************************************************************
2376  * ParseOption: parses the options for the input
2377  *****************************************************************************
2378  * This function parses the input (config) options and creates their associated
2379  * object variables.
2380  * Options are of the form "[no[-]]foo[=bar]" where foo is the option name and
2381  * bar is the value of the option.
2382  *****************************************************************************/
2383 static void ParseOption( input_thread_t *p_input, const char *psz_option )
2384 {
2385     char *psz_name = (char *)psz_option;
2386     char *psz_value = strchr( psz_option, '=' );
2387     int  i_name_len, i_type;
2388     vlc_bool_t b_isno = VLC_FALSE;
2389     vlc_value_t val;
2390
2391     if( psz_value ) i_name_len = psz_value - psz_option;
2392     else i_name_len = strlen( psz_option );
2393
2394     /* It's too much of an hassle to remove the ':' when we parse
2395      * the cmd line :) */
2396     if( i_name_len && *psz_name == ':' )
2397     {
2398         psz_name++;
2399         i_name_len--;
2400     }
2401
2402     if( i_name_len == 0 ) return;
2403
2404     psz_name = strndup( psz_name, i_name_len );
2405     if( psz_value ) psz_value++;
2406
2407     /* FIXME: :programs should be handled generically */
2408     if( !strcmp( psz_name, "programs" ) )
2409         i_type = VLC_VAR_LIST;
2410     else
2411         i_type = config_GetType( p_input, psz_name );
2412
2413     if( !i_type && !psz_value )
2414     {
2415         /* check for "no-foo" or "nofoo" */
2416         if( !strncmp( psz_name, "no-", 3 ) )
2417         {
2418             memmove( psz_name, psz_name + 3, strlen(psz_name) + 1 - 3 );
2419         }
2420         else if( !strncmp( psz_name, "no", 2 ) )
2421         {
2422             memmove( psz_name, psz_name + 2, strlen(psz_name) + 1 - 2 );
2423         }
2424         else goto cleanup;           /* Option doesn't exist */
2425
2426         b_isno = VLC_TRUE;
2427         i_type = config_GetType( p_input, psz_name );
2428
2429         if( !i_type ) goto cleanup;  /* Option doesn't exist */
2430     }
2431     else if( !i_type ) goto cleanup; /* Option doesn't exist */
2432
2433     if( ( i_type != VLC_VAR_BOOL ) &&
2434         ( !psz_value || !*psz_value ) ) goto cleanup; /* Invalid value */
2435
2436     /* Create the variable in the input object.
2437      * Children of the input object will be able to retreive this value
2438      * thanks to the inheritance property of the object variables. */
2439     var_Create( p_input, psz_name, i_type );
2440
2441     switch( i_type )
2442     {
2443     case VLC_VAR_BOOL:
2444         val.b_bool = !b_isno;
2445         break;
2446
2447     case VLC_VAR_INTEGER:
2448         val.i_int = strtol( psz_value, NULL, 0 );
2449         break;
2450
2451     case VLC_VAR_FLOAT:
2452         val.f_float = atof( psz_value );
2453         break;
2454
2455     case VLC_VAR_STRING:
2456     case VLC_VAR_MODULE:
2457     case VLC_VAR_FILE:
2458     case VLC_VAR_DIRECTORY:
2459         val.psz_string = psz_value;
2460         break;
2461
2462     case VLC_VAR_LIST:
2463     {
2464         char *psz_orig, *psz_var;
2465         vlc_list_t *p_list = malloc(sizeof(vlc_list_t));
2466         val.p_list = p_list;
2467         p_list->i_count = 0;
2468
2469         psz_var = psz_orig = strdup(psz_value);
2470         while( psz_var && *psz_var )
2471         {
2472             char *psz_item = psz_var;
2473             vlc_value_t val2;
2474             while( *psz_var && *psz_var != ',' ) psz_var++;
2475             if( *psz_var == ',' )
2476             {
2477                 *psz_var = '\0';
2478                 psz_var++;
2479             }
2480             val2.i_int = strtol( psz_item, NULL, 0 );
2481             INSERT_ELEM( p_list->p_values, p_list->i_count,
2482                          p_list->i_count, val2 );
2483             /* p_list->i_count is incremented twice by INSERT_ELEM */
2484             p_list->i_count--;
2485             INSERT_ELEM( p_list->pi_types, p_list->i_count,
2486                          p_list->i_count, VLC_VAR_INTEGER );
2487         }
2488         if( psz_orig ) free( psz_orig );
2489         break;
2490     }
2491
2492     default:
2493         goto cleanup;
2494         break;
2495     }
2496
2497     var_Set( p_input, psz_name, val );
2498
2499     msg_Dbg( p_input, "set input option: %s to %s", psz_name,
2500              psz_value ? psz_value : ( val.b_bool ? "true" : "false") );
2501
2502   cleanup:
2503     if( psz_name ) free( psz_name );
2504     return;
2505 }
2506
2507 /*****************************************************************************
2508  * MRLSplit: parse the access, demux and url part of the
2509  *           Media Resource Locator.
2510  *****************************************************************************/
2511 void MRLSplit( vlc_object_t *p_input, char *psz_dup,
2512                char **ppsz_access, char **ppsz_demux, char **ppsz_path )
2513 {
2514     char *psz_access = NULL;
2515     char *psz_demux  = NULL;
2516     char *psz_path   = NULL;
2517     char *psz, *psz_check;
2518
2519     psz = strchr( psz_dup, ':' );
2520
2521     /* '@' not allowed in access/demux part */
2522     psz_check = strchr( psz_dup, '@' );
2523     if( psz_check && psz_check < psz ) psz = 0;
2524
2525 #if defined( WIN32 ) || defined( UNDER_CE )
2526     if( psz - psz_dup == 1 )
2527     {
2528         msg_Warn( p_input, "drive letter %c: found in source", *psz_dup );
2529         psz_path = psz_dup;
2530     }
2531     else
2532 #endif
2533
2534     if( psz )
2535     {
2536         *psz++ = '\0';
2537         if( psz[0] == '/' && psz[1] == '/' ) psz += 2;
2538
2539         psz_path = psz;
2540
2541         psz = strchr( psz_dup, '/' );
2542         if( psz )
2543         {
2544             *psz++ = '\0';
2545             psz_demux = psz;
2546         }
2547
2548         psz_access = psz_dup;
2549     }
2550     else
2551     {
2552         psz_path = psz_dup;
2553     }
2554
2555     if( !psz_access ) *ppsz_access = "";
2556     else *ppsz_access = psz_access;
2557
2558     if( !psz_demux ) *ppsz_demux = "";
2559     else *ppsz_demux = psz_demux;
2560
2561     if( !psz_path ) *ppsz_path = "";
2562     else *ppsz_path = psz_path;
2563 }
2564
2565 /*****************************************************************************
2566  * MRLSections: parse title and seekpoint info from the Media Resource Locator.
2567  *
2568  * Syntax:
2569  * [url][@[title-start][:chapter-start][-[title-end][:chapter-end]]]
2570  *****************************************************************************/
2571 static void MRLSections( input_thread_t *p_input, char *psz_source,
2572                          int *pi_title_start, int *pi_title_end,
2573                          int *pi_chapter_start, int *pi_chapter_end )
2574 {
2575     char *psz, *psz_end, *psz_next, *psz_check;
2576
2577     *pi_title_start = *pi_title_end = -1;
2578     *pi_chapter_start = *pi_chapter_end = -1;
2579
2580     /* Start by parsing titles and chapters */
2581     if( !psz_source || !( psz = strrchr( psz_source, '@' ) ) ) return;
2582
2583     /* Check we are really dealing with a title/chapter section */
2584     psz_check = psz + 1;
2585     if( !*psz_check ) return;
2586     if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2587     if( *psz_check != ':' && *psz_check != '-' && *psz_check ) return;
2588     if( *psz_check == ':' && ++psz_check )
2589         if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2590     if( *psz_check != '-' && *psz_check ) return;
2591     if( *psz_check == '-' && ++psz_check )
2592         if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2593     if( *psz_check != ':' && *psz_check ) return;
2594     if( *psz_check == ':' && ++psz_check )
2595         if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2596     if( *psz_check ) return;
2597
2598     /* Separate start and end */
2599     *psz++ = 0;
2600     if( ( psz_end = strchr( psz, '-' ) ) ) *psz_end++ = 0;
2601
2602     /* Look for the start title */
2603     *pi_title_start = strtol( psz, &psz_next, 0 );
2604     if( !*pi_title_start && psz == psz_next ) *pi_title_start = -1;
2605     *pi_title_end = *pi_title_start;
2606     psz = psz_next;
2607
2608     /* Look for the start chapter */
2609     if( *psz ) psz++;
2610     *pi_chapter_start = strtol( psz, &psz_next, 0 );
2611     if( !*pi_chapter_start && psz == psz_next ) *pi_chapter_start = -1;
2612     *pi_chapter_end = *pi_chapter_start;
2613
2614     if( psz_end )
2615     {
2616         /* Look for the end title */
2617         *pi_title_end = strtol( psz_end, &psz_next, 0 );
2618         if( !*pi_title_end && psz_end == psz_next ) *pi_title_end = -1;
2619         psz_end = psz_next;
2620
2621         /* Look for the end chapter */
2622         if( *psz_end ) psz_end++;
2623         *pi_chapter_end = strtol( psz_end, &psz_next, 0 );
2624         if( !*pi_chapter_end && psz_end == psz_next ) *pi_chapter_end = -1;
2625     }
2626
2627     msg_Dbg( p_input, "source=`%s' title=%d/%d seekpoint=%d/%d",
2628              psz_source, *pi_title_start, *pi_chapter_start,
2629              *pi_title_end, *pi_chapter_end );
2630 }
2631
2632
2633 /***********************************************************************
2634  * Info management functions
2635  ***********************************************************************/
2636 /**
2637  * Get a info item from a given category in a given input item.
2638  *
2639  * \param p_i The input item to get info from
2640  * \param psz_cat String representing the category for the info
2641  * \param psz_name String representing the name of the desired info
2642  * \return A pointer to the string with the given info if found, or an
2643  *         empty string otherwise. The caller should free the returned
2644  *         pointer.
2645  */
2646 char *vlc_input_item_GetInfo( input_item_t *p_i,
2647                               const char *psz_cat,
2648                               const char *psz_name )
2649 {
2650     int i,j;
2651
2652     vlc_mutex_lock( &p_i->lock );
2653
2654     for( i = 0 ; i< p_i->i_categories  ; i++ )
2655     {
2656         info_category_t *p_cat = p_i->pp_categories[i];
2657
2658         if( !psz_cat || strcmp( p_cat->psz_name, psz_cat ) )
2659             continue;
2660
2661         for( j = 0; j < p_cat->i_infos ; j++ )
2662         {
2663             if( !strcmp( p_cat->pp_infos[j]->psz_name, psz_name ) )
2664             {
2665                 char *psz_ret = strdup( p_cat->pp_infos[j]->psz_value );
2666                 vlc_mutex_unlock( &p_i->lock );
2667                 return psz_ret;
2668             }
2669         }
2670     }
2671     vlc_mutex_unlock( &p_i->lock );
2672     return strdup( "" );
2673 }
2674
2675 int vlc_input_item_AddInfo( input_item_t *p_i,
2676                             const char *psz_cat,
2677                             const char *psz_name,
2678                             const char *psz_format, ... )
2679 {
2680     va_list args;
2681     int i;
2682     info_t *p_info = NULL;
2683     info_category_t *p_cat = NULL ;
2684
2685     vlc_mutex_lock( &p_i->lock );
2686
2687     for( i = 0 ; i < p_i->i_categories ; i ++ )
2688     {
2689         if( !strcmp( p_i->pp_categories[i]->psz_name, psz_cat ) )
2690         {
2691             p_cat = p_i->pp_categories[i];
2692             break;
2693         }
2694     }
2695     if( !p_cat )
2696     {
2697         if( !(p_cat = (info_category_t *)malloc( sizeof(info_category_t) )) )
2698         {
2699             vlc_mutex_unlock( &p_i->lock );
2700             return VLC_EGENERIC;
2701         }
2702         p_cat->psz_name = strdup( psz_cat );
2703         p_cat->i_infos = 0;
2704         p_cat->pp_infos = 0;
2705         INSERT_ELEM( p_i->pp_categories, p_i->i_categories, p_i->i_categories,
2706                      p_cat );
2707     }
2708
2709     for( i = 0; i< p_cat->i_infos; i++ )
2710     {
2711         if( !strcmp( p_cat->pp_infos[i]->psz_name, psz_name ) )
2712         {
2713             p_info = p_cat->pp_infos[i];
2714             break;
2715         }
2716     }
2717
2718     if( !p_info )
2719     {
2720         if( ( p_info = (info_t *)malloc( sizeof( info_t ) ) ) == NULL )
2721         {
2722             vlc_mutex_unlock( &p_i->lock );
2723             return VLC_EGENERIC;
2724         }
2725         INSERT_ELEM( p_cat->pp_infos, p_cat->i_infos, p_cat->i_infos, p_info );
2726         p_info->psz_name = strdup( psz_name );
2727     }
2728     else
2729     {
2730         if( p_info->psz_value ) free( p_info->psz_value );
2731     }
2732
2733     va_start( args, psz_format );
2734     vasprintf( &p_info->psz_value, psz_format, args);
2735     va_end( args );
2736
2737     vlc_mutex_unlock( &p_i->lock );
2738
2739     return VLC_SUCCESS;
2740 }
2741