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

   1 /*****************************************************************************
   2  * input.c: input thread
   3  *****************************************************************************
   4  * Copyright (C) 1998-2007 VLC authors and VideoLAN
   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 it
  11  * under the terms of the GNU Lesser General Public License as published by
  12  * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public License
  21  * along with this program; if not, write to the Free Software Foundation,
  22  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #ifdef HAVE_CONFIG_H
  29 # include "config.h"
  30 #endif
  31
  32 #include <vlc_common.h>
  33
  34 #include <limits.h>
  35 #include <assert.h>
  36 #include <errno.h>
  37 #include <math.h>
  38 #include <sys/stat.h>
  39
  40 #include "input_internal.h"
  41 #include "event.h"
  42 #include "es_out.h"
  43 #include "es_out_timeshift.h"
  44 #include "access.h"
  45 #include "demux.h"
  46 #include "stream.h"
  47 #include "item.h"
  48 #include "resource.h"
  49
  50 #include <vlc_sout.h>
  51 #include <vlc_dialog.h>
  52 #include <vlc_url.h>
  53 #include <vlc_charset.h>
  54 #include <vlc_fs.h>
  55 #include <vlc_strings.h>
  56 #include <vlc_modules.h>
  57
  58 /*****************************************************************************
  59  * Local prototypes
  60  *****************************************************************************/
  61 static void Destructor( input_thread_t * p_input );
  62
  63 static  void *Run            ( void * );
  64
  65 static input_thread_t * Create  ( vlc_object_t *, input_item_t *,
  66                                   const char *, bool, input_resource_t * );
  67 static  int             Init    ( input_thread_t *p_input );
  68 static void             End     ( input_thread_t *p_input );
  69 static void             MainLoop( input_thread_t *p_input, bool b_interactive );
  70
  71 static inline int ControlPop( input_thread_t *, int *, vlc_value_t *, mtime_t i_deadline, bool b_postpone_seek );
  72 static void       ControlRelease( int i_type, vlc_value_t val );
  73 static bool       ControlIsSeekRequest( int i_type );
  74 static bool       Control( input_thread_t *, int, vlc_value_t );
  75
  76 static int  UpdateTitleSeekpointFromDemux( input_thread_t * );
  77 static void UpdateGenericFromDemux( input_thread_t * );
  78 static void UpdateTitleListfromDemux( input_thread_t * );
  79
  80 static void MRLSections( const char *, int *, int *, int *, int *);
  81
  82 static input_source_t *InputSourceNew( input_thread_t *);
  83 static int  InputSourceInit( input_thread_t *, input_source_t *,
  84                              const char *, const char *psz_forced_demux,
  85                              bool b_in_can_fail );
  86 static void InputSourceClean( input_source_t * );
  87 static void InputSourceMeta( input_thread_t *, input_source_t *, vlc_meta_t * );
  88
  89 /* TODO */
  90 //static void InputGetAttachments( input_thread_t *, input_source_t * );
  91 static void SlaveDemux( input_thread_t *p_input, bool *pb_demux_polled );
  92 static void SlaveSeek( input_thread_t *p_input );
  93
  94 static void InputMetaUser( input_thread_t *p_input, vlc_meta_t *p_meta );
  95 static void InputUpdateMeta( input_thread_t *p_input, demux_t *p_demux );
  96 static void InputGetExtraFiles( input_thread_t *p_input,
  97                                 int *pi_list, char ***pppsz_list,
  98                                 const char *psz_access, const char *psz_path );
  99
 100 static void AppendAttachment( int *pi_attachment, input_attachment_t ***ppp_attachment, demux_t ***ppp_attachment_demux,
 101                               int i_new, input_attachment_t **pp_new, demux_t *p_demux );
 102
 103 enum {
 104     SUB_NOFLAG = 0x00,
 105     SUB_FORCED = 0x01,
 106     SUB_CANFAIL = 0x02,
 107 };
 108
 109 static void input_SubtitleAdd( input_thread_t *, const char *, unsigned );
 110 static void input_SubtitleFileAdd( input_thread_t *, char *, unsigned );
 111 static void input_ChangeState( input_thread_t *p_input, int i_state ); /* TODO fix name */
 112
 113 #undef input_Create
 114 /**
 115  * Create a new input_thread_t.
 116  *
 117  * You need to call input_Start on it when you are done
 118  * adding callback on the variables/events you want to monitor.
 119  *
 120  * \param p_parent a vlc_object
 121  * \param p_item an input item
 122  * \param psz_log an optional prefix for this input logs
 123  * \param p_resource an optional input ressource
 124  * \return a pointer to the spawned input thread
 125  */
 126 input_thread_t *input_Create( vlc_object_t *p_parent,
 127                               input_item_t *p_item,
 128                               const char *psz_log, input_resource_t *p_resource )
 129 {
 130     return Create( p_parent, p_item, psz_log, false, p_resource );
 131 }
 132
 133 #undef input_CreateAndStart
 134 /**
 135  * Create a new input_thread_t and start it.
 136  *
 137  * Provided for convenience.
 138  *
 139  * \see input_Create
 140  */
 141 input_thread_t *input_CreateAndStart( vlc_object_t *p_parent,
 142                                       input_item_t *p_item, const char *psz_log )
 143 {
 144     input_thread_t *p_input = input_Create( p_parent, p_item, psz_log, NULL );
 145
 146     if( input_Start( p_input ) )
 147     {
 148         vlc_object_release( p_input );
 149         return NULL;
 150     }
 151     return p_input;
 152 }
 153
 154 #undef input_Read
 155 /**
 156  * Initialize an input thread and run it until it stops by itself.
 157  *
 158  * \param p_parent a vlc_object
 159  * \param p_item an input item
 160  * \return an error code, VLC_SUCCESS on success
 161  */
 162 int input_Read( vlc_object_t *p_parent, input_item_t *p_item )
 163 {
 164     input_thread_t *p_input = Create( p_parent, p_item, NULL, false, NULL );
 165     if( !p_input )
 166         return VLC_EGENERIC;
 167
 168     if( !Init( p_input ) )
 169     {
 170         MainLoop( p_input, false );
 171         End( p_input );
 172     }
 173
 174     vlc_object_release( p_input );
 175     return VLC_SUCCESS;
 176 }
 177
 178 /**
 179  * Initialize an input and initialize it to preparse the item
 180  * This function is blocking. It will only accept parsing regular files.
 181  *
 182  * \param p_parent a vlc_object_t
 183  * \param p_item an input item
 184  * \return VLC_SUCCESS or an error
 185  */
 186 int input_Preparse( vlc_object_t *p_parent, input_item_t *p_item )
 187 {
 188     input_thread_t *p_input;
 189
 190     /* Allocate descriptor */
 191     p_input = Create( p_parent, p_item, NULL, true, NULL );
 192     if( !p_input )
 193         return VLC_EGENERIC;
 194
 195     if( !Init( p_input ) ) {
 196         /* if the demux is a playlist, call Mainloop that will call
 197          * demux_Demux in order to fetch sub items */
 198         bool b_is_playlist = false;
 199
 200         if ( demux_Control( p_input->p->input.p_demux,
 201                             DEMUX_IS_PLAYLIST,
 202                             &b_is_playlist ) )
 203             b_is_playlist = false;
 204         if( b_is_playlist )
 205             MainLoop( p_input, false );
 206         End( p_input );
 207     }
 208
 209     vlc_object_release( p_input );
 210
 211     return VLC_SUCCESS;
 212 }
 213
 214 /**
 215  * Start a input_thread_t created by input_Create.
 216  *
 217  * You must not start an already running input_thread_t.
 218  *
 219  * \param the input thread to start
 220  */
 221 int input_Start( input_thread_t *p_input )
 222 {
 223     /* Create thread and wait for its readiness. */
 224     p_input->p->is_running = !vlc_clone( &p_input->p->thread,
 225                                          Run, p_input, VLC_THREAD_PRIORITY_INPUT );
 226     if( !p_input->p->is_running )
 227     {
 228         input_ChangeState( p_input, ERROR_S );
 229         msg_Err( p_input, "cannot create input thread" );
 230         return VLC_EGENERIC;
 231     }
 232     return VLC_SUCCESS;
 233 }
 234
 235 /**
 236  * Request a running input thread to stop and die
 237  *
 238  * \param p_input the input thread to stop
 239  */
 240 void input_Stop( input_thread_t *p_input )
 241 {
 242     /* Set die for input and ALL of this childrens (even (grand-)grand-childrens)
 243      * It is needed here even if it is done in INPUT_CONTROL_SET_DIE handler to
 244      * unlock the control loop */
 245     ObjectKillChildrens( VLC_OBJECT(p_input) );
 246     input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
 247 }
 248
 249 void input_Join( input_thread_t *p_input )
 250 {
 251     if( p_input->p->is_running )
 252         vlc_join( p_input->p->thread, NULL );
 253 }
 254
 255 void input_Release( input_thread_t *p_input )
 256 {
 257     vlc_object_release( p_input );
 258 }
 259
 260 /**
 261  * Close an input
 262  *
 263  * It does not call input_Stop itself.
 264  */
 265 void input_Close( input_thread_t *p_input )
 266 {
 267     input_Join( p_input );
 268     input_Release( p_input );
 269 }
 270
 271 /**
 272  * Get the item from an input thread
 273  * FIXME it does not increase ref count of the item.
 274  * if it is used after p_input is destroyed nothing prevent it from
 275  * being freed.
 276  */
 277 input_item_t *input_GetItem( input_thread_t *p_input )
 278 {
 279     assert( p_input && p_input->p );
 280     return p_input->p->p_item;
 281 }
 282
 283 /*****************************************************************************
 284  * This function creates a new input, and returns a pointer
 285  * to its description. On error, it returns NULL.
 286  *
 287  * XXX Do not forget to update vlc_input.h if you add new variables.
 288  *****************************************************************************/
 289 static input_thread_t *Create( vlc_object_t *p_parent, input_item_t *p_item,
 290                                const char *psz_header, bool b_quick,
 291                                input_resource_t *p_resource )
 292 {
 293     input_thread_t *p_input = NULL;                 /* thread descriptor */
 294     int i;
 295
 296     /* Allocate descriptor */
 297     p_input = vlc_custom_create( p_parent, sizeof( *p_input ), "input" );
 298     if( p_input == NULL )
 299         return NULL;
 300
 301     /* Construct a nice name for the input timer */
 302     char psz_timer_name[255];
 303     char * psz_name = input_item_GetName( p_item );
 304     snprintf( psz_timer_name, sizeof(psz_timer_name),
 305               "input launching for '%s'", psz_name );
 306
 307     msg_Dbg( p_input, "Creating an input for '%s'", psz_name);
 308
 309     free( psz_name );
 310
 311     p_input->p = calloc( 1, sizeof( input_thread_private_t ) );
 312     if( !p_input->p )
 313     {
 314         vlc_object_release( p_input );
 315         return NULL;
 316     }
 317
 318     /* Parse input options */
 319     vlc_mutex_lock( &p_item->lock );
 320     assert( (int)p_item->optflagc == p_item->i_options );
 321     for( i = 0; i < p_item->i_options; i++ )
 322         var_OptionParse( VLC_OBJECT(p_input), p_item->ppsz_options[i],
 323                          !!(p_item->optflagv[i] & VLC_INPUT_OPTION_TRUSTED) );
 324     vlc_mutex_unlock( &p_item->lock );
 325
 326     p_input->b_preparsing = b_quick;
 327     p_input->psz_header = psz_header ? strdup( psz_header ) : NULL;
 328
 329     /* Init Common fields */
 330     p_input->b_eof = false;
 331     p_input->p->b_can_pace_control = true;
 332     p_input->p->i_start = 0;
 333     p_input->p->i_time  = 0;
 334     p_input->p->i_stop  = 0;
 335     p_input->p->i_run   = 0;
 336     p_input->p->i_title = 0;
 337     p_input->p->title = NULL;
 338     p_input->p->i_title_offset = p_input->p->i_seekpoint_offset = 0;
 339     p_input->p->i_state = INIT_S;
 340     p_input->p->i_rate = INPUT_RATE_DEFAULT;
 341     p_input->p->b_recording = false;
 342     memset( &p_input->p->bookmark, 0, sizeof(p_input->p->bookmark) );
 343     TAB_INIT( p_input->p->i_bookmark, p_input->p->pp_bookmark );
 344     TAB_INIT( p_input->p->i_attachment, p_input->p->attachment );
 345     p_input->p->attachment_demux = NULL;
 346     p_input->p->p_sout   = NULL;
 347     p_input->p->b_out_pace_control = false;
 348
 349     vlc_gc_incref( p_item ); /* Released in Destructor() */
 350     p_input->p->p_item = p_item;
 351
 352     /* Init Input fields */
 353     p_input->p->input.p_demux  = NULL;
 354     p_input->p->input.b_title_demux = false;
 355     p_input->p->input.i_title  = 0;
 356     p_input->p->input.title    = NULL;
 357     p_input->p->input.i_title_offset = p_input->p->input.i_seekpoint_offset = 0;
 358     p_input->p->input.b_can_pace_control = true;
 359     p_input->p->input.b_can_rate_control = true;
 360     p_input->p->input.b_rescale_ts = true;
 361     p_input->p->input.b_eof = false;
 362
 363     vlc_mutex_lock( &p_item->lock );
 364
 365     if( !p_item->p_stats )
 366         p_item->p_stats = stats_NewInputStats( p_input );
 367     vlc_mutex_unlock( &p_item->lock );
 368
 369     /* No slave */
 370     p_input->p->i_slave = 0;
 371     p_input->p->slave   = NULL;
 372
 373     /* */
 374     if( p_resource )
 375     {
 376         p_input->p->p_resource_private = NULL;
 377         p_input->p->p_resource = input_resource_Hold( p_resource );
 378     }
 379     else
 380     {
 381         p_input->p->p_resource_private = input_resource_New( VLC_OBJECT( p_input ) );
 382         p_input->p->p_resource = input_resource_Hold( p_input->p->p_resource_private );
 383     }
 384     input_resource_SetInput( p_input->p->p_resource, p_input );
 385
 386     /* Init control buffer */
 387     vlc_mutex_init( &p_input->p->lock_control );
 388     vlc_cond_init( &p_input->p->wait_control );
 389     p_input->p->i_control = 0;
 390     p_input->p->is_running = false;
 391
 392     /* Create Object Variables for private use only */
 393     input_ConfigVarInit( p_input );
 394
 395     /* Create Objects variables for public Get and Set */
 396     input_ControlVarInit( p_input );
 397
 398     /* */
 399     if( !p_input->b_preparsing )
 400     {
 401         char *psz_bookmarks = var_GetNonEmptyString( p_input, "bookmarks" );
 402         if( psz_bookmarks )
 403         {
 404             /* FIXME: have a common cfg parsing routine used by sout and others */
 405             char *psz_parser, *psz_start, *psz_end;
 406             psz_parser = psz_bookmarks;
 407             while( (psz_start = strchr( psz_parser, '{' ) ) )
 408             {
 409                  seekpoint_t *p_seekpoint;
 410                  char backup;
 411                  psz_start++;
 412                  psz_end = strchr( psz_start, '}' );
 413                  if( !psz_end ) break;
 414                  psz_parser = psz_end + 1;
 415                  backup = *psz_parser;
 416                  *psz_parser = 0;
 417                  *psz_end = ',';
 418
 419                  p_seekpoint = vlc_seekpoint_New();
 420                  while( (psz_end = strchr( psz_start, ',' ) ) )
 421                  {
 422                      *psz_end = 0;
 423                      if( !strncmp( psz_start, "name=", 5 ) )
 424                      {
 425                          p_seekpoint->psz_name = strdup(psz_start + 5);
 426                      }
 427                      else if( !strncmp( psz_start, "bytes=", 6 ) )
 428                      {
 429                          p_seekpoint->i_byte_offset = atoll(psz_start + 6);
 430                      }
 431                      else if( !strncmp( psz_start, "time=", 5 ) )
 432                      {
 433                          p_seekpoint->i_time_offset = atoll(psz_start + 5) *
 434                                                         CLOCK_FREQ;
 435                      }
 436                      psz_start = psz_end + 1;
 437                 }
 438                 msg_Dbg( p_input, "adding bookmark: %s, bytes=%"PRId64", time=%"PRId64,
 439                                   p_seekpoint->psz_name, p_seekpoint->i_byte_offset,
 440                                   p_seekpoint->i_time_offset );
 441                 input_Control( p_input, INPUT_ADD_BOOKMARK, p_seekpoint );
 442                 vlc_seekpoint_Delete( p_seekpoint );
 443                 *psz_parser = backup;
 444             }
 445             free( psz_bookmarks );
 446         }
 447     }
 448
 449     /* Remove 'Now playing' info as it is probably outdated */
 450     input_item_SetNowPlaying( p_item, NULL );
 451     input_item_SetESNowPlaying( p_item, NULL );
 452     input_SendEventMeta( p_input );
 453
 454     /* */
 455     if( p_input->b_preparsing )
 456         p_input->i_flags |= OBJECT_FLAGS_QUIET | OBJECT_FLAGS_NOINTERACT;
 457
 458     /* Make sure the interaction option is honored */
 459     if( !var_InheritBool( p_input, "interact" ) )
 460         p_input->i_flags |= OBJECT_FLAGS_NOINTERACT;
 461
 462     /* */
 463     memset( &p_input->p->counters, 0, sizeof( p_input->p->counters ) );
 464     vlc_mutex_init( &p_input->p->counters.counters_lock );
 465
 466     p_input->p->p_es_out_display = input_EsOutNew( p_input, p_input->p->i_rate );
 467     p_input->p->p_es_out = NULL;
 468
 469     /* Set the destructor when we are sure we are initialized */
 470     vlc_object_set_destructor( p_input, (vlc_destructor_t)Destructor );
 471
 472     return p_input;
 473 }
 474
 475 /**
 476  * Input destructor (called when the object's refcount reaches 0).
 477  */
 478 static void Destructor( input_thread_t * p_input )
 479 {
 480 #ifndef NDEBUG
 481     char * psz_name = input_item_GetName( p_input->p->p_item );
 482     msg_Dbg( p_input, "Destroying the input for '%s'", psz_name);
 483     free( psz_name );
 484 #endif
 485
 486     if( p_input->p->p_es_out_display )
 487         es_out_Delete( p_input->p->p_es_out_display );
 488
 489     if( p_input->p->p_resource )
 490         input_resource_Release( p_input->p->p_resource );
 491     if( p_input->p->p_resource_private )
 492         input_resource_Release( p_input->p->p_resource_private );
 493
 494     vlc_gc_decref( p_input->p->p_item );
 495
 496     vlc_mutex_destroy( &p_input->p->counters.counters_lock );
 497
 498     for( int i = 0; i < p_input->p->i_control; i++ )
 499     {
 500         input_control_t *p_ctrl = &p_input->p->control[i];
 501         ControlRelease( p_ctrl->i_type, p_ctrl->val );
 502     }
 503
 504     vlc_cond_destroy( &p_input->p->wait_control );
 505     vlc_mutex_destroy( &p_input->p->lock_control );
 506     free( p_input->p );
 507 }
 508
 509 /*****************************************************************************
 510  * Run: main thread loop
 511  * This is the "normal" thread that spawns the input processing chain,
 512  * reads the stream, cleans up and waits
 513  *****************************************************************************/
 514 static void *Run( void *obj )
 515 {
 516     input_thread_t *p_input = (input_thread_t *)obj;
 517     const int canc = vlc_savecancel();
 518
 519     if( !Init( p_input ) )
 520     {
 521         MainLoop( p_input, true ); /* FIXME it can be wrong (like with VLM) */
 522
 523         /* Clean up */
 524         End( p_input );
 525     }
 526
 527     input_SendEventDead( p_input );
 528
 529     vlc_restorecancel( canc );
 530     return NULL;
 531 }
 532
 533 /*****************************************************************************
 534  * Main loop: Fill buffers from access, and demux
 535  *****************************************************************************/
 536
 537 /**
 538  * MainLoopDemux
 539  * It asks the demuxer to demux some data
 540  */
 541 static void MainLoopDemux( input_thread_t *p_input, bool *pb_changed, bool *pb_demux_polled, mtime_t i_start_mdate )
 542 {
 543     int i_ret;
 544
 545     *pb_changed = false;
 546     *pb_demux_polled = p_input->p->input.p_demux->pf_demux != NULL;
 547
 548     if( ( p_input->p->i_stop > 0 && p_input->p->i_time >= p_input->p->i_stop ) ||
 549         ( p_input->p->i_run > 0 && i_start_mdate+p_input->p->i_run < mdate() ) )
 550         i_ret = 0; /* EOF */
 551     else
 552         i_ret = demux_Demux( p_input->p->input.p_demux );
 553
 554     if( i_ret > 0 )
 555     {
 556         if( p_input->p->input.p_demux->info.i_update )
 557         {
 558             if( p_input->p->input.p_demux->info.i_update & INPUT_UPDATE_TITLE_LIST )
 559             {
 560                 UpdateTitleListfromDemux( p_input );
 561                 p_input->p->input.p_demux->info.i_update &= ~INPUT_UPDATE_TITLE_LIST;
 562             }
 563             if( p_input->p->input.b_title_demux )
 564             {
 565                 i_ret = UpdateTitleSeekpointFromDemux( p_input );
 566                 *pb_changed = true;
 567             }
 568             UpdateGenericFromDemux( p_input );
 569         }
 570     }
 571
 572     if( i_ret == 0 )    /* EOF */
 573     {
 574         msg_Dbg( p_input, "EOF reached" );
 575         p_input->p->input.b_eof = true;
 576         es_out_Eos(p_input->p->p_es_out);
 577     }
 578     else if( i_ret < 0 )
 579     {
 580         input_ChangeState( p_input, ERROR_S );
 581     }
 582
 583     if( i_ret > 0 && p_input->p->i_slave > 0 )
 584     {
 585         bool b_demux_polled;
 586         SlaveDemux( p_input, &b_demux_polled );
 587
 588         *pb_demux_polled |= b_demux_polled;
 589     }
 590 }
 591
 592 static int MainLoopTryRepeat( input_thread_t *p_input, mtime_t *pi_start_mdate )
 593 {
 594     int i_repeat = var_GetInteger( p_input, "input-repeat" );
 595     if( i_repeat == 0 )
 596         return VLC_EGENERIC;
 597
 598     vlc_value_t val;
 599
 600     msg_Dbg( p_input, "repeating the same input (%d)", i_repeat );
 601     if( i_repeat > 0 )
 602     {
 603         i_repeat--;
 604         var_SetInteger( p_input, "input-repeat", i_repeat );
 605     }
 606
 607     /* Seek to start title/seekpoint */
 608     val.i_int = p_input->p->input.i_title_start -
 609         p_input->p->input.i_title_offset;
 610     if( val.i_int < 0 || val.i_int >= p_input->p->input.i_title )
 611         val.i_int = 0;
 612     input_ControlPush( p_input,
 613                        INPUT_CONTROL_SET_TITLE, &val );
 614
 615     val.i_int = p_input->p->input.i_seekpoint_start -
 616         p_input->p->input.i_seekpoint_offset;
 617     if( val.i_int > 0 /* TODO: check upper boundary */ )
 618         input_ControlPush( p_input,
 619                            INPUT_CONTROL_SET_SEEKPOINT, &val );
 620
 621     /* Seek to start position */
 622     if( p_input->p->i_start > 0 )
 623     {
 624         val.i_time = p_input->p->i_start;
 625         input_ControlPush( p_input, INPUT_CONTROL_SET_TIME, &val );
 626     }
 627     else
 628     {
 629         val.f_float = 0.f;
 630         input_ControlPush( p_input, INPUT_CONTROL_SET_POSITION, &val );
 631     }
 632
 633     /* */
 634     *pi_start_mdate = mdate();
 635     return VLC_SUCCESS;
 636 }
 637
 638 /**
 639  * Update timing infos and statistics.
 640  */
 641 static void MainLoopStatistics( input_thread_t *p_input )
 642 {
 643     double f_position = 0.0;
 644     mtime_t i_time = 0;
 645     mtime_t i_length = 0;
 646
 647     /* update input status variables */
 648     if( demux_Control( p_input->p->input.p_demux,
 649                        DEMUX_GET_POSITION, &f_position ) )
 650         f_position = 0.0;
 651
 652     if( demux_Control( p_input->p->input.p_demux,
 653                        DEMUX_GET_TIME, &i_time ) )
 654         i_time = 0;
 655     p_input->p->i_time = i_time;
 656
 657     if( demux_Control( p_input->p->input.p_demux,
 658                        DEMUX_GET_LENGTH, &i_length ) )
 659         i_length = 0;
 660
 661     es_out_SetTimes( p_input->p->p_es_out, f_position, i_time, i_length );
 662
 663     /* update current bookmark */
 664     vlc_mutex_lock( &p_input->p->p_item->lock );
 665     p_input->p->bookmark.i_time_offset = i_time;
 666     p_input->p->bookmark.i_byte_offset = -1;
 667     vlc_mutex_unlock( &p_input->p->p_item->lock );
 668
 669     stats_ComputeInputStats( p_input, p_input->p->p_item->p_stats );
 670     input_SendEventStatistics( p_input );
 671 }
 672
 673 /**
 674  * MainLoop
 675  * The main input loop.
 676  */
 677 static void MainLoop( input_thread_t *p_input, bool b_interactive )
 678 {
 679     mtime_t i_start_mdate = mdate();
 680     mtime_t i_intf_update = 0;
 681     mtime_t i_last_seek_mdate = 0;
 682     bool b_pause_after_eof = b_interactive &&
 683                              var_CreateGetBool( p_input, "play-and-pause" );
 684
 685     while( vlc_object_alive( p_input ) && !p_input->b_error )
 686     {
 687         mtime_t i_wakeup = 0;
 688         bool b_demux_polled = true;
 689         bool b_paused = p_input->p->i_state == PAUSE_S;
 690         /* FIXME if p_input->p->i_state == PAUSE_S the access/access_demux
 691          * is paused -> this may cause problem with some of them
 692          * The same problem can be seen when seeking while paused */
 693         if( b_paused )
 694             b_paused = !es_out_GetBuffering( p_input->p->p_es_out ) || p_input->p->input.b_eof;
 695
 696         if( !b_paused )
 697         {
 698             if( !p_input->p->input.b_eof )
 699             {
 700                 bool b_force_update = false;
 701
 702                 MainLoopDemux( p_input, &b_force_update, &b_demux_polled,
 703                                i_start_mdate );
 704                 i_wakeup = es_out_GetWakeup( p_input->p->p_es_out );
 705
 706                 if( b_force_update )
 707                     i_intf_update = 0;
 708             }
 709             else if( !es_out_GetEmpty( p_input->p->p_es_out ) )
 710             {
 711                 msg_Dbg( p_input, "waiting decoder fifos to empty" );
 712                 i_wakeup = mdate() + INPUT_IDLE_SLEEP;
 713             }
 714             /* Pause after eof only if the input is pausable.
 715              * This way we won't trigger timeshifting for nothing */
 716             else if( b_pause_after_eof && p_input->p->b_can_pause )
 717             {
 718                 vlc_value_t val = { .i_int = PAUSE_S };
 719
 720                 msg_Dbg( p_input, "pausing at EOF (pause after each)");
 721                 Control( p_input, INPUT_CONTROL_SET_STATE, val );
 722
 723                 b_paused = true;
 724             }
 725             else
 726             {
 727                 if( MainLoopTryRepeat( p_input, &i_start_mdate ) )
 728                     break;
 729                 b_pause_after_eof = var_GetBool( p_input, "play-and-pause" );
 730             }
 731
 732             /* Update interface and statistics */
 733             mtime_t now = mdate();
 734             if( now >= i_intf_update )
 735             {
 736                 MainLoopStatistics( p_input );
 737                 i_intf_update = now + INT64_C(250000);
 738             }
 739         }
 740
 741         /* Handle control */
 742         for( ;; )
 743         {
 744             mtime_t i_deadline = i_wakeup;
 745
 746             if( b_paused || !b_demux_polled )
 747                 /* FIXME: remove this polling */
 748                 i_deadline = mdate() + INT64_C(250000);
 749
 750             /* Postpone seeking until ES buffering is complete or at most
 751              * 125 ms. */
 752             bool b_postpone = es_out_GetBuffering( p_input->p->p_es_out )
 753                             && !p_input->p->input.b_eof;
 754             if( b_postpone )
 755             {
 756                 mtime_t now = mdate();
 757
 758                 /* Recheck ES buffer level every 20 ms when seeking */
 759                 if( now < i_last_seek_mdate + INT64_C(125000)
 760                  && i_deadline > now + INT64_C(20000) )
 761                     i_deadline = now + INT64_C(20000);
 762                 else
 763                     b_postpone = false;
 764             }
 765
 766             int i_type;
 767             vlc_value_t val;
 768
 769             if( ControlPop( p_input, &i_type, &val, i_deadline, b_postpone ) )
 770             {
 771                 if( b_postpone )
 772                     continue;
 773                 break; /* Wake-up time reached */
 774             }
 775
 776 #ifndef NDEBUG
 777             msg_Dbg( p_input, "control type=%d", i_type );
 778 #endif
 779             if( Control( p_input, i_type, val ) )
 780             {
 781                 if( ControlIsSeekRequest( i_type ) )
 782                     i_last_seek_mdate = mdate();
 783                 i_intf_update = 0;
 784             }
 785
 786             /* Update the wakeup time */
 787             if( i_wakeup != 0 )
 788                 i_wakeup = es_out_GetWakeup( p_input->p->p_es_out );
 789         }
 790     }
 791
 792     if( !p_input->b_error )
 793         input_ChangeState( p_input, END_S );
 794 }
 795
 796 static void InitStatistics( input_thread_t * p_input )
 797 {
 798     if( p_input->b_preparsing ) return;
 799
 800     /* Prepare statistics */
 801 #define INIT_COUNTER( c, compute ) p_input->p->counters.p_##c = \
 802  stats_CounterCreate( STATS_##compute);
 803     if( libvlc_stats( p_input ) )
 804     {
 805         INIT_COUNTER( read_bytes, COUNTER );
 806         INIT_COUNTER( read_packets, COUNTER );
 807         INIT_COUNTER( demux_read, COUNTER );
 808         INIT_COUNTER( input_bitrate, DERIVATIVE );
 809         INIT_COUNTER( demux_bitrate, DERIVATIVE );
 810         INIT_COUNTER( demux_corrupted, COUNTER );
 811         INIT_COUNTER( demux_discontinuity, COUNTER );
 812         INIT_COUNTER( played_abuffers, COUNTER );
 813         INIT_COUNTER( lost_abuffers, COUNTER );
 814         INIT_COUNTER( displayed_pictures, COUNTER );
 815         INIT_COUNTER( lost_pictures, COUNTER );
 816         INIT_COUNTER( decoded_audio, COUNTER );
 817         INIT_COUNTER( decoded_video, COUNTER );
 818         INIT_COUNTER( decoded_sub, COUNTER );
 819         p_input->p->counters.p_sout_send_bitrate = NULL;
 820         p_input->p->counters.p_sout_sent_packets = NULL;
 821         p_input->p->counters.p_sout_sent_bytes = NULL;
 822     }
 823 }
 824
 825 #ifdef ENABLE_SOUT
 826 static int InitSout( input_thread_t * p_input )
 827 {
 828     if( p_input->b_preparsing )
 829         return VLC_SUCCESS;
 830
 831     /* Find a usable sout and attach it to p_input */
 832     char *psz = var_GetNonEmptyString( p_input, "sout" );
 833     if( psz && strncasecmp( p_input->p->p_item->psz_uri, "vlc:", 4 ) )
 834     {
 835         p_input->p->p_sout  = input_resource_RequestSout( p_input->p->p_resource, NULL, psz );
 836         if( !p_input->p->p_sout )
 837         {
 838             input_ChangeState( p_input, ERROR_S );
 839             msg_Err( p_input, "cannot start stream output instance, " \
 840                               "aborting" );
 841             free( psz );
 842             return VLC_EGENERIC;
 843         }
 844         if( libvlc_stats( p_input ) )
 845         {
 846             INIT_COUNTER( sout_sent_packets, COUNTER );
 847             INIT_COUNTER( sout_sent_bytes, COUNTER );
 848             INIT_COUNTER( sout_send_bitrate, DERIVATIVE );
 849         }
 850     }
 851     else
 852     {
 853         input_resource_RequestSout( p_input->p->p_resource, NULL, NULL );
 854     }
 855     free( psz );
 856
 857     return VLC_SUCCESS;
 858 }
 859 #endif
 860
 861 static void InitTitle( input_thread_t * p_input )
 862 {
 863     input_source_t *p_master = &p_input->p->input;
 864
 865     if( p_input->b_preparsing )
 866         return;
 867
 868     vlc_mutex_lock( &p_input->p->p_item->lock );
 869     /* Create global title (from master) */
 870     p_input->p->i_title = p_master->i_title;
 871     p_input->p->title   = p_master->title;
 872     p_input->p->i_title_offset = p_master->i_title_offset;
 873     p_input->p->i_seekpoint_offset = p_master->i_seekpoint_offset;
 874     if( p_input->p->i_title > 0 )
 875     {
 876         /* Setup variables */
 877         input_ControlVarNavigation( p_input );
 878         input_SendEventTitle( p_input, 0 );
 879     }
 880
 881     /* Global flag */
 882     p_input->p->b_can_pace_control    = p_master->b_can_pace_control;
 883     p_input->p->b_can_pause        = p_master->b_can_pause;
 884     p_input->p->b_can_rate_control = p_master->b_can_rate_control;
 885     vlc_mutex_unlock( &p_input->p->p_item->lock );
 886 }
 887
 888 static void StartTitle( input_thread_t * p_input )
 889 {
 890     vlc_value_t val;
 891
 892     /* Start title/chapter */
 893     val.i_int = p_input->p->input.i_title_start -
 894                 p_input->p->input.i_title_offset;
 895     if( val.i_int > 0 && val.i_int < p_input->p->input.i_title )
 896         input_ControlPush( p_input, INPUT_CONTROL_SET_TITLE, &val );
 897
 898     val.i_int = p_input->p->input.i_seekpoint_start -
 899                 p_input->p->input.i_seekpoint_offset;
 900     if( val.i_int > 0 /* TODO: check upper boundary */ )
 901         input_ControlPush( p_input, INPUT_CONTROL_SET_SEEKPOINT, &val );
 902
 903     /* Start/stop/run time */
 904     p_input->p->i_start = llroundf(1000000.f
 905                                      * var_GetFloat( p_input, "start-time" ));
 906     p_input->p->i_stop  = llroundf(1000000.f
 907                                      * var_GetFloat( p_input, "stop-time" ));
 908     p_input->p->i_run   = llroundf(1000000.f
 909                                      * var_GetFloat( p_input, "run-time" ));
 910     if( p_input->p->i_run < 0 )
 911     {
 912         msg_Warn( p_input, "invalid run-time ignored" );
 913         p_input->p->i_run = 0;
 914     }
 915
 916     if( p_input->p->i_start > 0 )
 917     {
 918         vlc_value_t s;
 919
 920         msg_Dbg( p_input, "starting at time: %ds",
 921                  (int)( p_input->p->i_start / CLOCK_FREQ ) );
 922
 923         s.i_time = p_input->p->i_start;
 924         input_ControlPush( p_input, INPUT_CONTROL_SET_TIME, &s );
 925     }
 926     if( p_input->p->i_stop > 0 && p_input->p->i_stop <= p_input->p->i_start )
 927     {
 928         msg_Warn( p_input, "invalid stop-time ignored" );
 929         p_input->p->i_stop = 0;
 930     }
 931     p_input->p->b_fast_seek = var_GetBool( p_input, "input-fast-seek" );
 932 }
 933
 934 static void LoadSubtitles( input_thread_t *p_input )
 935 {
 936     /* Load subtitles */
 937     /* Get fps and set it if not already set */
 938     const float f_fps = p_input->p->f_fps;
 939     if( f_fps > 1.f )
 940     {
 941         var_Create( p_input, "sub-original-fps", VLC_VAR_FLOAT );
 942         var_SetFloat( p_input, "sub-original-fps", f_fps );
 943
 944         float f_requested_fps = var_CreateGetFloat( p_input, "sub-fps" );
 945         if( f_requested_fps != f_fps )
 946         {
 947             var_Create( p_input, "sub-fps", VLC_VAR_FLOAT|
 948                                             VLC_VAR_DOINHERIT );
 949             var_SetFloat( p_input, "sub-fps", f_requested_fps );
 950         }
 951     }
 952
 953     const int i_delay = var_CreateGetInteger( p_input, "sub-delay" );
 954     if( i_delay != 0 )
 955         var_SetTime( p_input, "spu-delay", (mtime_t)i_delay * 100000 );
 956
 957     /* Look for and add subtitle files */
 958     unsigned i_flags = SUB_FORCED;
 959
 960     char *psz_subtitle = var_GetNonEmptyString( p_input, "sub-file" );
 961     if( psz_subtitle != NULL )
 962     {
 963         msg_Dbg( p_input, "forced subtitle: %s", psz_subtitle );
 964         input_SubtitleFileAdd( p_input, psz_subtitle, i_flags );
 965         i_flags = SUB_NOFLAG;
 966     }
 967
 968     if( var_GetBool( p_input, "sub-autodetect-file" ) )
 969     {
 970         char *psz_autopath = var_GetNonEmptyString( p_input, "sub-autodetect-path" );
 971         char **ppsz_subs = subtitles_Detect( p_input, psz_autopath,
 972                                              p_input->p->p_item->psz_uri );
 973         free( psz_autopath );
 974
 975         for( int i = 0; ppsz_subs && ppsz_subs[i]; i++ )
 976         {
 977             if( !psz_subtitle || strcmp( psz_subtitle, ppsz_subs[i] ) )
 978             {
 979                 i_flags |= SUB_CANFAIL;
 980                 input_SubtitleFileAdd( p_input, ppsz_subs[i], i_flags );
 981                 i_flags = SUB_NOFLAG;
 982             }
 983
 984             free( ppsz_subs[i] );
 985         }
 986         free( ppsz_subs );
 987     }
 988     free( psz_subtitle );
 989
 990     /* Load subtitles from attachments */
 991     int i_attachment = 0;
 992     input_attachment_t **pp_attachment = NULL;
 993
 994     vlc_mutex_lock( &p_input->p->p_item->lock );
 995     for( int i = 0; i < p_input->p->i_attachment; i++ )
 996     {
 997         const input_attachment_t *a = p_input->p->attachment[i];
 998         if( !strcmp( a->psz_mime, "application/x-srt" ) )
 999             TAB_APPEND( i_attachment, pp_attachment,
1000                         vlc_input_attachment_New( a->psz_name, NULL,
1001                                                   a->psz_description, NULL, 0 ) );
1002     }
1003     vlc_mutex_unlock( &p_input->p->p_item->lock );
1004
1005     if( i_attachment > 0 )
1006         var_Create( p_input, "sub-description", VLC_VAR_STRING );
1007     for( int i = 0; i < i_attachment; i++ )
1008     {
1009         input_attachment_t *a = pp_attachment[i];
1010         if( !a )
1011             continue;
1012         char *psz_mrl;
1013         if( a->psz_name[i] &&
1014             asprintf( &psz_mrl, "attachment://%s", a->psz_name ) >= 0 )
1015         {
1016             var_SetString( p_input, "sub-description", a->psz_description ? a->psz_description : "");
1017
1018             input_SubtitleAdd( p_input, psz_mrl, i_flags );
1019
1020             i_flags = SUB_NOFLAG;
1021             free( psz_mrl );
1022         }
1023         vlc_input_attachment_Delete( a );
1024     }
1025     free( pp_attachment );
1026     if( i_attachment > 0 )
1027         var_Destroy( p_input, "sub-description" );
1028 }
1029
1030 static void LoadSlaves( input_thread_t *p_input )
1031 {
1032     char *psz = var_GetNonEmptyString( p_input, "input-slave" );
1033     if( !psz )
1034         return;
1035
1036     char *psz_org = psz;
1037     while( psz && *psz )
1038     {
1039         while( *psz == ' ' || *psz == '#' )
1040             psz++;
1041
1042         char *psz_delim = strchr( psz, '#' );
1043         if( psz_delim )
1044             *psz_delim++ = '\0';
1045
1046         if( *psz == 0 )
1047             break;
1048
1049         char *uri = strstr(psz, "://")
1050                                    ? strdup( psz ) : vlc_path2uri( psz, NULL );
1051         psz = psz_delim;
1052         if( uri == NULL )
1053             continue;
1054         msg_Dbg( p_input, "adding slave input '%s'", uri );
1055
1056         input_source_t *p_slave = InputSourceNew( p_input );
1057         if( p_slave && !InputSourceInit( p_input, p_slave, uri, NULL, false ) )
1058             TAB_APPEND( p_input->p->i_slave, p_input->p->slave, p_slave );
1059         else
1060             free( p_slave );
1061         free( uri );
1062     }
1063     free( psz_org );
1064 }
1065
1066 static void UpdatePtsDelay( input_thread_t *p_input )
1067 {
1068     input_thread_private_t *p_sys = p_input->p;
1069
1070     /* Get max pts delay from input source */
1071     mtime_t i_pts_delay = p_sys->input.i_pts_delay;
1072     for( int i = 0; i < p_sys->i_slave; i++ )
1073         i_pts_delay = __MAX( i_pts_delay, p_sys->slave[i]->i_pts_delay );
1074
1075     if( i_pts_delay < 0 )
1076         i_pts_delay = 0;
1077
1078     /* Take care of audio/spu delay */
1079     const mtime_t i_audio_delay = var_GetTime( p_input, "audio-delay" );
1080     const mtime_t i_spu_delay   = var_GetTime( p_input, "spu-delay" );
1081     const mtime_t i_extra_delay = __MIN( i_audio_delay, i_spu_delay );
1082     if( i_extra_delay < 0 )
1083         i_pts_delay -= i_extra_delay;
1084
1085     /* Update cr_average depending on the caching */
1086     const int i_cr_average = var_GetInteger( p_input, "cr-average" ) * i_pts_delay / DEFAULT_PTS_DELAY;
1087
1088     /* */
1089     es_out_SetDelay( p_input->p->p_es_out_display, AUDIO_ES, i_audio_delay );
1090     es_out_SetDelay( p_input->p->p_es_out_display, SPU_ES, i_spu_delay );
1091     es_out_SetJitter( p_input->p->p_es_out, i_pts_delay, 0, i_cr_average );
1092 }
1093
1094 static void InitPrograms( input_thread_t * p_input )
1095 {
1096     int i_es_out_mode;
1097     vlc_list_t list;
1098
1099     /* Compute correct pts_delay */
1100     UpdatePtsDelay( p_input );
1101
1102     /* Set up es_out */
1103     i_es_out_mode = ES_OUT_MODE_AUTO;
1104     if( p_input->p->p_sout )
1105     {
1106         char *prgms;
1107
1108         if( (prgms = var_GetNonEmptyString( p_input, "programs" )) != NULL )
1109         {
1110             char *buf;
1111
1112             TAB_INIT( list.i_count, list.p_values );
1113             for( const char *prgm = strtok_r( prgms, ",", &buf );
1114                  prgm != NULL;
1115                  prgm = strtok_r( NULL, ",", &buf ) )
1116             {
1117                 vlc_value_t val = { .i_int = atoi( prgm ) };
1118                 INSERT_ELEM( list.p_values, list.i_count, list.i_count, val );
1119             }
1120
1121             if( list.i_count > 0 )
1122                 i_es_out_mode = ES_OUT_MODE_PARTIAL;
1123                 /* Note : we should remove the "program" callback. */
1124
1125             free( prgms );
1126         }
1127         else if( var_GetBool( p_input, "sout-all" ) )
1128         {
1129             i_es_out_mode = ES_OUT_MODE_ALL;
1130         }
1131     }
1132     es_out_SetMode( p_input->p->p_es_out, i_es_out_mode );
1133
1134     /* Inform the demuxer about waited group (needed only for DVB) */
1135     if( i_es_out_mode == ES_OUT_MODE_ALL )
1136     {
1137         demux_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, -1, NULL );
1138     }
1139     else if( i_es_out_mode == ES_OUT_MODE_PARTIAL )
1140     {
1141         demux_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, -1,
1142                        &list );
1143         TAB_CLEAN( list.i_count, list.p_values );
1144     }
1145     else
1146     {
1147         demux_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP,
1148                        es_out_GetGroupForced( p_input->p->p_es_out ), NULL );
1149     }
1150 }
1151
1152 static int Init( input_thread_t * p_input )
1153 {
1154     for( int i = 0; i < p_input->p->p_item->i_options; i++ )
1155     {
1156         if( !strncmp( p_input->p->p_item->ppsz_options[i], "meta-file", 9 ) )
1157         {
1158             msg_Dbg( p_input, "Input is a meta file: disabling unneeded options" );
1159             var_SetString( p_input, "sout", "" );
1160             var_SetBool( p_input, "sout-all", false );
1161             var_SetString( p_input, "input-slave", "" );
1162             var_SetInteger( p_input, "input-repeat", 0 );
1163             var_SetString( p_input, "sub-file", "" );
1164             var_SetBool( p_input, "sub-autodetect-file", false );
1165         }
1166     }
1167
1168     InitStatistics( p_input );
1169 #ifdef ENABLE_SOUT
1170     if( InitSout( p_input ) )
1171         goto error;
1172 #endif
1173
1174     /* Create es out */
1175     p_input->p->p_es_out = input_EsOutTimeshiftNew( p_input, p_input->p->p_es_out_display, p_input->p->i_rate );
1176
1177     /* */
1178     input_ChangeState( p_input, OPENING_S );
1179     input_SendEventCache( p_input, 0.0 );
1180
1181     /* */
1182     if( InputSourceInit( p_input, &p_input->p->input,
1183                          p_input->p->p_item->psz_uri, NULL, false ) )
1184     {
1185         goto error;
1186     }
1187
1188     InitTitle( p_input );
1189
1190     /* Load master infos */
1191     /* Init length */
1192     mtime_t i_length;
1193     if( demux_Control( p_input->p->input.p_demux, DEMUX_GET_LENGTH,
1194                          &i_length ) )
1195         i_length = 0;
1196     if( i_length <= 0 )
1197         i_length = input_item_GetDuration( p_input->p->p_item );
1198     input_SendEventLength( p_input, i_length );
1199
1200     input_SendEventPosition( p_input, 0.0, 0 );
1201
1202     if( !p_input->b_preparsing )
1203     {
1204         StartTitle( p_input );
1205         LoadSubtitles( p_input );
1206         LoadSlaves( p_input );
1207         InitPrograms( p_input );
1208
1209         double f_rate = var_InheritFloat( p_input, "rate" );
1210         if( f_rate != 0.0 && f_rate != 1.0 )
1211         {
1212             vlc_value_t val = { .i_int = INPUT_RATE_DEFAULT / f_rate };
1213             input_ControlPush( p_input, INPUT_CONTROL_SET_RATE, &val );
1214         }
1215     }
1216
1217     if( !p_input->b_preparsing && p_input->p->p_sout )
1218     {
1219         p_input->p->b_out_pace_control = (p_input->p->p_sout->i_out_pace_nocontrol > 0);
1220
1221         if( p_input->p->b_can_pace_control && p_input->p->b_out_pace_control )
1222         {
1223             /* We don't want a high input priority here or we'll
1224              * end-up sucking up all the CPU time */
1225             vlc_set_priority( p_input->p->thread, VLC_THREAD_PRIORITY_LOW );
1226         }
1227
1228         msg_Dbg( p_input, "starting in %s mode",
1229                  p_input->p->b_out_pace_control ? "async" : "sync" );
1230     }
1231
1232     vlc_meta_t *p_meta = vlc_meta_New();
1233     if( p_meta != NULL )
1234     {
1235         /* Get meta data from users */
1236         InputMetaUser( p_input, p_meta );
1237
1238         /* Get meta data from master input */
1239         InputSourceMeta( p_input, &p_input->p->input, p_meta );
1240
1241         /* And from slave */
1242         for( int i = 0; i < p_input->p->i_slave; i++ )
1243             InputSourceMeta( p_input, p_input->p->slave[i], p_meta );
1244
1245         es_out_ControlSetMeta( p_input->p->p_es_out, p_meta );
1246         vlc_meta_Delete( p_meta );
1247     }
1248
1249     msg_Dbg( p_input, "`%s' successfully opened",
1250              p_input->p->p_item->psz_uri );
1251
1252     /* initialization is complete */
1253     input_ChangeState( p_input, PLAYING_S );
1254
1255     return VLC_SUCCESS;
1256
1257 error:
1258     input_ChangeState( p_input, ERROR_S );
1259
1260     if( p_input->p->p_es_out )
1261         es_out_Delete( p_input->p->p_es_out );
1262     es_out_SetMode( p_input->p->p_es_out_display, ES_OUT_MODE_END );
1263     if( p_input->p->p_resource )
1264     {
1265         if( p_input->p->p_sout )
1266             input_resource_RequestSout( p_input->p->p_resource,
1267                                          p_input->p->p_sout, NULL );
1268         input_resource_SetInput( p_input->p->p_resource, NULL );
1269         if( p_input->p->p_resource_private )
1270             input_resource_Terminate( p_input->p->p_resource_private );
1271     }
1272
1273     if( !p_input->b_preparsing && libvlc_stats( p_input ) )
1274     {
1275 #define EXIT_COUNTER( c ) do { if( p_input->p->counters.p_##c ) \
1276                                    stats_CounterClean( p_input->p->counters.p_##c );\
1277                                p_input->p->counters.p_##c = NULL; } while(0)
1278         EXIT_COUNTER( read_bytes );
1279         EXIT_COUNTER( read_packets );
1280         EXIT_COUNTER( demux_read );
1281         EXIT_COUNTER( input_bitrate );
1282         EXIT_COUNTER( demux_bitrate );
1283         EXIT_COUNTER( demux_corrupted );
1284         EXIT_COUNTER( demux_discontinuity );
1285         EXIT_COUNTER( played_abuffers );
1286         EXIT_COUNTER( lost_abuffers );
1287         EXIT_COUNTER( displayed_pictures );
1288         EXIT_COUNTER( lost_pictures );
1289         EXIT_COUNTER( decoded_audio );
1290         EXIT_COUNTER( decoded_video );
1291         EXIT_COUNTER( decoded_sub );
1292
1293         if( p_input->p->p_sout )
1294         {
1295             EXIT_COUNTER( sout_sent_packets );
1296             EXIT_COUNTER( sout_sent_bytes );
1297             EXIT_COUNTER( sout_send_bitrate );
1298         }
1299 #undef EXIT_COUNTER
1300     }
1301
1302     /* Mark them deleted */
1303     p_input->p->input.p_demux = NULL;
1304     p_input->p->p_es_out = NULL;
1305     p_input->p->p_sout = NULL;
1306
1307     return VLC_EGENERIC;
1308 }
1309
1310 /*****************************************************************************
1311  * End: end the input thread
1312  *****************************************************************************/
1313 static void End( input_thread_t * p_input )
1314 {
1315     int i;
1316
1317     /* We are at the end */
1318     input_ChangeState( p_input, END_S );
1319
1320     /* Clean control variables */
1321     input_ControlVarStop( p_input );
1322
1323     /* Stop es out activity */
1324     es_out_SetMode( p_input->p->p_es_out, ES_OUT_MODE_NONE );
1325
1326     /* Clean up master */
1327     InputSourceClean( &p_input->p->input );
1328
1329     /* Delete slave */
1330     for( i = 0; i < p_input->p->i_slave; i++ )
1331     {
1332         InputSourceClean( p_input->p->slave[i] );
1333         free( p_input->p->slave[i] );
1334     }
1335     free( p_input->p->slave );
1336
1337     /* Unload all modules */
1338     if( p_input->p->p_es_out )
1339         es_out_Delete( p_input->p->p_es_out );
1340     es_out_SetMode( p_input->p->p_es_out_display, ES_OUT_MODE_END );
1341
1342     if( !p_input->b_preparsing )
1343     {
1344 #define CL_CO( c ) stats_CounterClean( p_input->p->counters.p_##c ); p_input->p->counters.p_##c = NULL;
1345         if( libvlc_stats( p_input ) )
1346         {
1347             /* make sure we are up to date */
1348             stats_ComputeInputStats( p_input, p_input->p->p_item->p_stats );
1349             CL_CO( read_bytes );
1350             CL_CO( read_packets );
1351             CL_CO( demux_read );
1352             CL_CO( input_bitrate );
1353             CL_CO( demux_bitrate );
1354             CL_CO( demux_corrupted );
1355             CL_CO( demux_discontinuity );
1356             CL_CO( played_abuffers );
1357             CL_CO( lost_abuffers );
1358             CL_CO( displayed_pictures );
1359             CL_CO( lost_pictures );
1360             CL_CO( decoded_audio) ;
1361             CL_CO( decoded_video );
1362             CL_CO( decoded_sub) ;
1363         }
1364
1365         /* Close optional stream output instance */
1366         if( p_input->p->p_sout )
1367         {
1368             CL_CO( sout_sent_packets );
1369             CL_CO( sout_sent_bytes );
1370             CL_CO( sout_send_bitrate );
1371         }
1372 #undef CL_CO
1373     }
1374
1375     vlc_mutex_lock( &p_input->p->p_item->lock );
1376     if( p_input->p->i_attachment > 0 )
1377     {
1378         for( i = 0; i < p_input->p->i_attachment; i++ )
1379             vlc_input_attachment_Delete( p_input->p->attachment[i] );
1380         TAB_CLEAN( p_input->p->i_attachment, p_input->p->attachment );
1381         free( p_input->p->attachment_demux);
1382         p_input->p->attachment_demux = NULL;
1383     }
1384     vlc_mutex_unlock( &p_input->p->p_item->lock );
1385
1386     /* */
1387     input_resource_RequestSout( p_input->p->p_resource,
1388                                  p_input->p->p_sout, NULL );
1389     input_resource_SetInput( p_input->p->p_resource, NULL );
1390     if( p_input->p->p_resource_private )
1391         input_resource_Terminate( p_input->p->p_resource_private );
1392 }
1393
1394 /*****************************************************************************
1395  * Control
1396  *****************************************************************************/
1397 void input_ControlPush( input_thread_t *p_input,
1398                         int i_type, vlc_value_t *p_val )
1399 {
1400     vlc_mutex_lock( &p_input->p->lock_control );
1401     if( i_type == INPUT_CONTROL_SET_DIE )
1402     {
1403         /* Special case, empty the control */
1404         for( int i = 0; i < p_input->p->i_control; i++ )
1405         {
1406             input_control_t *p_ctrl = &p_input->p->control[i];
1407             ControlRelease( p_ctrl->i_type, p_ctrl->val );
1408         }
1409         p_input->p->i_control = 0;
1410     }
1411
1412     if( p_input->p->i_control >= INPUT_CONTROL_FIFO_SIZE )
1413     {
1414         msg_Err( p_input, "input control fifo overflow, trashing type=%d",
1415                  i_type );
1416         if( p_val )
1417             ControlRelease( i_type, *p_val );
1418     }
1419     else
1420     {
1421         input_control_t c;
1422         c.i_type = i_type;
1423         if( p_val )
1424             c.val = *p_val;
1425         else
1426             memset( &c.val, 0, sizeof(c.val) );
1427
1428         p_input->p->control[p_input->p->i_control++] = c;
1429     }
1430     vlc_cond_signal( &p_input->p->wait_control );
1431     vlc_mutex_unlock( &p_input->p->lock_control );
1432 }
1433
1434 static int ControlGetReducedIndexLocked( input_thread_t *p_input )
1435 {
1436     const int i_lt = p_input->p->control[0].i_type;
1437     int i;
1438     for( i = 1; i < p_input->p->i_control; i++ )
1439     {
1440         const int i_ct = p_input->p->control[i].i_type;
1441
1442         if( i_lt == i_ct &&
1443             ( i_ct == INPUT_CONTROL_SET_STATE ||
1444               i_ct == INPUT_CONTROL_SET_RATE ||
1445               i_ct == INPUT_CONTROL_SET_POSITION ||
1446               i_ct == INPUT_CONTROL_SET_TIME ||
1447               i_ct == INPUT_CONTROL_SET_PROGRAM ||
1448               i_ct == INPUT_CONTROL_SET_TITLE ||
1449               i_ct == INPUT_CONTROL_SET_SEEKPOINT ||
1450               i_ct == INPUT_CONTROL_SET_BOOKMARK ) )
1451         {
1452             continue;
1453         }
1454         else
1455         {
1456             /* TODO but that's not that important
1457                 - merge SET_X with SET_X_CMD
1458                 - ignore SET_SEEKPOINT/SET_POSITION/SET_TIME before a SET_TITLE
1459                 - ignore SET_SEEKPOINT/SET_POSITION/SET_TIME before another among them
1460                 - ?
1461                 */
1462             break;
1463         }
1464     }
1465     return i - 1;
1466 }
1467
1468
1469 static inline int ControlPop( input_thread_t *p_input,
1470                               int *pi_type, vlc_value_t *p_val,
1471                               mtime_t i_deadline, bool b_postpone_seek )
1472 {
1473     input_thread_private_t *p_sys = p_input->p;
1474
1475     vlc_mutex_lock( &p_sys->lock_control );
1476     while( p_sys->i_control <= 0 ||
1477            ( b_postpone_seek && ControlIsSeekRequest( p_sys->control[0].i_type ) ) )
1478     {
1479         if( !vlc_object_alive( p_input ) || i_deadline < 0 )
1480         {
1481             vlc_mutex_unlock( &p_sys->lock_control );
1482             return VLC_EGENERIC;
1483         }
1484
1485         if( vlc_cond_timedwait( &p_sys->wait_control, &p_sys->lock_control,
1486                                 i_deadline ) )
1487         {
1488             vlc_mutex_unlock( &p_sys->lock_control );
1489             return VLC_EGENERIC;
1490         }
1491     }
1492
1493     /* */
1494     const int i_index = ControlGetReducedIndexLocked( p_input );
1495
1496     /* */
1497     *pi_type = p_sys->control[i_index].i_type;
1498     *p_val   = p_sys->control[i_index].val;
1499
1500     p_sys->i_control -= i_index + 1;
1501     if( p_sys->i_control > 0 )
1502         memmove( &p_sys->control[0], &p_sys->control[i_index+1],
1503                  sizeof(*p_sys->control) * p_sys->i_control );
1504     vlc_mutex_unlock( &p_sys->lock_control );
1505
1506     return VLC_SUCCESS;
1507 }
1508 static bool ControlIsSeekRequest( int i_type )
1509 {
1510     switch( i_type )
1511     {
1512     case INPUT_CONTROL_SET_POSITION:
1513     case INPUT_CONTROL_SET_TIME:
1514     case INPUT_CONTROL_SET_TITLE:
1515     case INPUT_CONTROL_SET_TITLE_NEXT:
1516     case INPUT_CONTROL_SET_TITLE_PREV:
1517     case INPUT_CONTROL_SET_SEEKPOINT:
1518     case INPUT_CONTROL_SET_SEEKPOINT_NEXT:
1519     case INPUT_CONTROL_SET_SEEKPOINT_PREV:
1520     case INPUT_CONTROL_SET_BOOKMARK:
1521     case INPUT_CONTROL_NAV_ACTIVATE:
1522     case INPUT_CONTROL_NAV_UP:
1523     case INPUT_CONTROL_NAV_DOWN:
1524     case INPUT_CONTROL_NAV_LEFT:
1525     case INPUT_CONTROL_NAV_RIGHT:
1526         return true;
1527     default:
1528         return false;
1529     }
1530 }
1531
1532 static void ControlRelease( int i_type, vlc_value_t val )
1533 {
1534     switch( i_type )
1535     {
1536     case INPUT_CONTROL_ADD_SUBTITLE:
1537     case INPUT_CONTROL_ADD_SLAVE:
1538         free( val.psz_string );
1539         break;
1540
1541     default:
1542         break;
1543     }
1544 }
1545
1546 /* Pause input */
1547 static void ControlPause( input_thread_t *p_input, mtime_t i_control_date )
1548 {
1549     int i_ret = VLC_SUCCESS;
1550     int i_state = PAUSE_S;
1551
1552     if( p_input->p->b_can_pause )
1553     {
1554         demux_t *p_demux = p_input->p->input.p_demux;
1555
1556         if( p_demux->s != NULL )
1557             i_ret = stream_Control( p_demux->s, STREAM_SET_PAUSE_STATE, true );
1558         else
1559             i_ret = demux_Control( p_demux, DEMUX_SET_PAUSE_STATE, true );
1560
1561         if( i_ret )
1562         {
1563             msg_Warn( p_input, "cannot set pause state" );
1564             return;
1565         }
1566     }
1567
1568     /* */
1569     i_ret = es_out_SetPauseState( p_input->p->p_es_out,
1570                                   p_input->p->b_can_pause, true,
1571                                   i_control_date );
1572     if( i_ret )
1573     {
1574         msg_Warn( p_input, "cannot set pause state at es_out level" );
1575         return;
1576     }
1577
1578     /* Switch to new state */
1579     input_ChangeState( p_input, i_state );
1580 }
1581
1582 static void ControlUnpause( input_thread_t *p_input, mtime_t i_control_date )
1583 {
1584     int i_ret = VLC_SUCCESS;
1585
1586     if( p_input->p->b_can_pause )
1587     {
1588         demux_t *p_demux = p_input->p->input.p_demux;
1589
1590         if( p_demux->s != NULL )
1591             i_ret = stream_Control( p_demux->s, STREAM_SET_PAUSE_STATE, false );
1592         else
1593             i_ret = demux_Control( p_demux, DEMUX_SET_PAUSE_STATE, false );
1594         if( i_ret )
1595         {
1596             /* FIXME What to do ? */
1597             msg_Warn( p_input, "cannot unset pause -> EOF" );
1598             input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
1599         }
1600     }
1601
1602     /* Switch to play */
1603     input_ChangeState( p_input, PLAYING_S );
1604
1605     /* */
1606     if( !i_ret )
1607         es_out_SetPauseState( p_input->p->p_es_out, false, false, i_control_date );
1608 }
1609
1610 static bool Control( input_thread_t *p_input,
1611                      int i_type, vlc_value_t val )
1612 {
1613     const mtime_t i_control_date = mdate();
1614     /* FIXME b_force_update is abused, it should be carefully checked */
1615     bool b_force_update = false;
1616
1617     if( !p_input )
1618         return b_force_update;
1619
1620     switch( i_type )
1621     {
1622         case INPUT_CONTROL_SET_DIE:
1623             msg_Dbg( p_input, "control: stopping input" );
1624
1625             /* Mark all submodules to die */
1626             ObjectKillChildrens( VLC_OBJECT(p_input) );
1627             break;
1628
1629         case INPUT_CONTROL_SET_POSITION:
1630         {
1631             if( p_input->p->b_recording )
1632             {
1633                 msg_Err( p_input, "INPUT_CONTROL_SET_POSITION(_OFFSET) ignored while recording" );
1634                 break;
1635             }
1636
1637             float f_pos = val.f_float;
1638             if( f_pos < 0.f )
1639                 f_pos = 0.f;
1640             else if( f_pos > 1.f )
1641                 f_pos = 1.f;
1642             /* Reset the decoders states and clock sync (before calling the demuxer */
1643             es_out_SetTime( p_input->p->p_es_out, -1 );
1644             if( demux_Control( p_input->p->input.p_demux, DEMUX_SET_POSITION,
1645                                (double) f_pos, !p_input->p->b_fast_seek ) )
1646             {
1647                 msg_Err( p_input, "INPUT_CONTROL_SET_POSITION(_OFFSET) "
1648                          "%2.1f%% failed", (double)(f_pos * 100.f) );
1649             }
1650             else
1651             {
1652                 if( p_input->p->i_slave > 0 )
1653                     SlaveSeek( p_input );
1654                 p_input->p->input.b_eof = false;
1655
1656                 b_force_update = true;
1657             }
1658             break;
1659         }
1660
1661         case INPUT_CONTROL_SET_TIME:
1662         {
1663             int64_t i_time;
1664             int i_ret;
1665
1666             if( p_input->p->b_recording )
1667             {
1668                 msg_Err( p_input, "INPUT_CONTROL_SET_TIME(_OFFSET) ignored while recording" );
1669                 break;
1670             }
1671
1672             i_time = val.i_time;
1673             if( i_time < 0 )
1674                 i_time = 0;
1675
1676             /* Reset the decoders states and clock sync (before calling the demuxer */
1677             es_out_SetTime( p_input->p->p_es_out, -1 );
1678
1679             i_ret = demux_Control( p_input->p->input.p_demux,
1680                                    DEMUX_SET_TIME, i_time,
1681                                    !p_input->p->b_fast_seek );
1682             if( i_ret )
1683             {
1684                 int64_t i_length;
1685
1686                 /* Emulate it with a SET_POS */
1687                 if( !demux_Control( p_input->p->input.p_demux,
1688                                     DEMUX_GET_LENGTH, &i_length ) && i_length > 0 )
1689                 {
1690                     double f_pos = (double)i_time / (double)i_length;
1691                     i_ret = demux_Control( p_input->p->input.p_demux,
1692                                             DEMUX_SET_POSITION, f_pos,
1693                                             !p_input->p->b_fast_seek );
1694                 }
1695             }
1696             if( i_ret )
1697             {
1698                 msg_Warn( p_input, "INPUT_CONTROL_SET_TIME(_OFFSET) %"PRId64
1699                          " failed or not possible", i_time );
1700             }
1701             else
1702             {
1703                 if( p_input->p->i_slave > 0 )
1704                     SlaveSeek( p_input );
1705                 p_input->p->input.b_eof = false;
1706
1707                 b_force_update = true;
1708             }
1709             break;
1710         }
1711
1712         case INPUT_CONTROL_SET_STATE:
1713             if( val.i_int != PLAYING_S && val.i_int != PAUSE_S )
1714                 msg_Err( p_input, "invalid state in INPUT_CONTROL_SET_STATE" );
1715             else if( p_input->p->i_state == PAUSE_S )
1716             {
1717                 ControlUnpause( p_input, i_control_date );
1718
1719                 b_force_update = true;
1720             }
1721             else if( val.i_int == PAUSE_S && p_input->p->i_state == PLAYING_S /* &&
1722                      p_input->p->b_can_pause */ )
1723             {
1724                 ControlPause( p_input, i_control_date );
1725
1726                 b_force_update = true;
1727             }
1728             else if( val.i_int == PAUSE_S && !p_input->p->b_can_pause && 0 )
1729             {
1730                 b_force_update = true;
1731
1732                 /* Correct "state" value */
1733                 input_ChangeState( p_input, p_input->p->i_state );
1734             }
1735             break;
1736
1737         case INPUT_CONTROL_SET_RATE:
1738         {
1739             /* Get rate and direction */
1740             int i_rate = abs( val.i_int );
1741             int i_rate_sign = val.i_int < 0 ? -1 : 1;
1742
1743             /* Check rate bound */
1744             if( i_rate < INPUT_RATE_MIN )
1745             {
1746                 msg_Dbg( p_input, "cannot set rate faster" );
1747                 i_rate = INPUT_RATE_MIN;
1748             }
1749             else if( i_rate > INPUT_RATE_MAX )
1750             {
1751                 msg_Dbg( p_input, "cannot set rate slower" );
1752                 i_rate = INPUT_RATE_MAX;
1753             }
1754
1755             /* Apply direction */
1756             if( i_rate_sign < 0 )
1757             {
1758                 if( p_input->p->input.b_rescale_ts )
1759                 {
1760                     msg_Dbg( p_input, "cannot set negative rate" );
1761                     i_rate = p_input->p->i_rate;
1762                     assert( i_rate > 0 );
1763                 }
1764                 else
1765                 {
1766                     i_rate *= i_rate_sign;
1767                 }
1768             }
1769
1770             if( i_rate != INPUT_RATE_DEFAULT &&
1771                 ( ( !p_input->p->b_can_rate_control && !p_input->p->input.b_rescale_ts ) ||
1772                   ( p_input->p->p_sout && !p_input->p->b_out_pace_control ) ) )
1773             {
1774                 msg_Dbg( p_input, "cannot change rate" );
1775                 i_rate = INPUT_RATE_DEFAULT;
1776             }
1777             if( i_rate != p_input->p->i_rate &&
1778                 !p_input->p->b_can_pace_control && p_input->p->b_can_rate_control )
1779             {
1780                 demux_t *p_demux = p_input->p->input.p_demux;
1781                 int i_ret = VLC_EGENERIC;
1782
1783                 if( p_demux->s == NULL )
1784                 {
1785                     if( !p_input->p->input.b_rescale_ts )
1786                         es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1787
1788                     i_ret = demux_Control( p_input->p->input.p_demux,
1789                                             DEMUX_SET_RATE, &i_rate );
1790                 }
1791                 if( i_ret )
1792                 {
1793                     msg_Warn( p_input, "ACCESS/DEMUX_SET_RATE failed" );
1794                     i_rate = p_input->p->i_rate;
1795                 }
1796             }
1797
1798             /* */
1799             if( i_rate != p_input->p->i_rate )
1800             {
1801                 p_input->p->i_rate = i_rate;
1802                 input_SendEventRate( p_input, i_rate );
1803
1804                 if( p_input->p->input.b_rescale_ts )
1805                 {
1806                     const int i_rate_source = (p_input->p->b_can_pace_control || p_input->p->b_can_rate_control ) ? i_rate : INPUT_RATE_DEFAULT;
1807                     es_out_SetRate( p_input->p->p_es_out, i_rate_source, i_rate );
1808                 }
1809
1810                 b_force_update = true;
1811             }
1812             break;
1813         }
1814
1815         case INPUT_CONTROL_SET_PROGRAM:
1816             /* No need to force update, es_out does it if needed */
1817             es_out_Control( p_input->p->p_es_out,
1818                             ES_OUT_SET_GROUP, val.i_int );
1819
1820             demux_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, val.i_int,
1821                             NULL );
1822             break;
1823
1824         case INPUT_CONTROL_SET_ES:
1825             /* No need to force update, es_out does it if needed */
1826             es_out_Control( p_input->p->p_es_out_display,
1827                             ES_OUT_SET_ES_BY_ID, (int)val.i_int );
1828
1829             demux_Control( p_input->p->input.p_demux, DEMUX_SET_ES, (int)val.i_int );
1830             break;
1831
1832         case INPUT_CONTROL_RESTART_ES:
1833             es_out_Control( p_input->p->p_es_out_display,
1834                             ES_OUT_RESTART_ES_BY_ID, (int)val.i_int );
1835             break;
1836
1837         case INPUT_CONTROL_SET_AUDIO_DELAY:
1838             input_SendEventAudioDelay( p_input, val.i_time );
1839             UpdatePtsDelay( p_input );
1840             break;
1841
1842         case INPUT_CONTROL_SET_SPU_DELAY:
1843             input_SendEventSubtitleDelay( p_input, val.i_time );
1844             UpdatePtsDelay( p_input );
1845             break;
1846
1847         case INPUT_CONTROL_SET_TITLE:
1848         case INPUT_CONTROL_SET_TITLE_NEXT:
1849         case INPUT_CONTROL_SET_TITLE_PREV:
1850         {
1851             if( p_input->p->b_recording )
1852             {
1853                 msg_Err( p_input, "INPUT_CONTROL_SET_TITLE(*) ignored while recording" );
1854                 break;
1855             }
1856             if( p_input->p->input.i_title <= 0 )
1857                 break;
1858
1859             int i_title = p_input->p->input.p_demux->info.i_title;
1860             if( i_type == INPUT_CONTROL_SET_TITLE_PREV )
1861                 i_title--;
1862             else if( i_type == INPUT_CONTROL_SET_TITLE_NEXT )
1863                 i_title++;
1864             else
1865                 i_title = val.i_int;
1866             if( i_title < 0 || i_title >= p_input->p->input.i_title )
1867                 break;
1868
1869             es_out_SetTime( p_input->p->p_es_out, -1 );
1870             demux_Control( p_input->p->input.p_demux,
1871                            DEMUX_SET_TITLE, i_title );
1872             input_SendEventTitle( p_input, i_title );
1873             break;
1874         }
1875         case INPUT_CONTROL_SET_SEEKPOINT:
1876         case INPUT_CONTROL_SET_SEEKPOINT_NEXT:
1877         case INPUT_CONTROL_SET_SEEKPOINT_PREV:
1878         {
1879             if( p_input->p->b_recording )
1880             {
1881                 msg_Err( p_input, "INPUT_CONTROL_SET_SEEKPOINT(*) ignored while recording" );
1882                 break;
1883             }
1884             if( p_input->p->input.i_title <= 0 )
1885                 break;
1886
1887             demux_t *p_demux = p_input->p->input.p_demux;
1888
1889             int i_title = p_demux->info.i_title;
1890             int i_seekpoint = p_demux->info.i_seekpoint;
1891
1892             if( i_type == INPUT_CONTROL_SET_SEEKPOINT_PREV )
1893             {
1894                 int64_t i_seekpoint_time = p_input->p->input.title[i_title]->seekpoint[i_seekpoint]->i_time_offset;
1895                 int64_t i_input_time = var_GetTime( p_input, "time" );
1896                 if( i_seekpoint_time >= 0 && i_input_time >= 0 )
1897                 {
1898                     if( i_input_time < i_seekpoint_time + 3000000 )
1899                         i_seekpoint--;
1900                 }
1901                 else
1902                     i_seekpoint--;
1903             }
1904             else if( i_type == INPUT_CONTROL_SET_SEEKPOINT_NEXT )
1905                 i_seekpoint++;
1906             else
1907                 i_seekpoint = val.i_int;
1908             if( i_seekpoint < 0
1909              || i_seekpoint >= p_input->p->input.title[i_title]->i_seekpoint )
1910                 break;
1911
1912             es_out_SetTime( p_input->p->p_es_out, -1 );
1913             demux_Control( p_input->p->input.p_demux,
1914                            DEMUX_SET_SEEKPOINT, i_seekpoint );
1915             input_SendEventSeekpoint( p_input, i_title, i_seekpoint );
1916             break;
1917         }
1918
1919         case INPUT_CONTROL_ADD_SUBTITLE:
1920             if( val.psz_string )
1921                 input_SubtitleFileAdd( p_input, val.psz_string, true );
1922             break;
1923
1924         case INPUT_CONTROL_ADD_SLAVE:
1925             if( val.psz_string )
1926             {
1927                 const char *uri = val.psz_string;
1928                 input_source_t *slave = InputSourceNew( p_input );
1929
1930                 if( slave && !InputSourceInit( p_input, slave, uri, NULL, false ) )
1931                 {
1932                     int64_t i_time;
1933
1934                     /* Add the slave */
1935                     msg_Dbg( p_input, "adding %s as slave on the fly", uri );
1936
1937                     /* Set position */
1938                     if( demux_Control( p_input->p->input.p_demux,
1939                                         DEMUX_GET_TIME, &i_time ) )
1940                     {
1941                         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
1942                         InputSourceClean( slave );
1943                         free( slave );
1944                         break;
1945                     }
1946                     if( demux_Control( slave->p_demux,
1947                                        DEMUX_SET_TIME, i_time, true ) )
1948                     {
1949                         msg_Err( p_input, "seek failed for new slave" );
1950                         InputSourceClean( slave );
1951                         free( slave );
1952                         break;
1953                     }
1954
1955                     /* Get meta (access and demux) */
1956                     InputUpdateMeta( p_input, slave->p_demux );
1957
1958                     TAB_APPEND( p_input->p->i_slave, p_input->p->slave, slave );
1959                 }
1960                 else
1961                 {
1962                     free( slave );
1963                     msg_Warn( p_input, "failed to add %s as slave", uri );
1964                 }
1965             }
1966             break;
1967
1968         case INPUT_CONTROL_SET_RECORD_STATE:
1969             if( !!p_input->p->b_recording != !!val.b_bool )
1970             {
1971                 if( p_input->p->input.b_can_stream_record )
1972                 {
1973                     if( demux_Control( p_input->p->input.p_demux,
1974                                        DEMUX_SET_RECORD_STATE, val.b_bool ) )
1975                         val.b_bool = false;
1976                 }
1977                 else
1978                 {
1979                     if( es_out_SetRecordState( p_input->p->p_es_out_display, val.b_bool ) )
1980                         val.b_bool = false;
1981                 }
1982                 p_input->p->b_recording = val.b_bool;
1983
1984                 input_SendEventRecord( p_input, val.b_bool );
1985
1986                 b_force_update = true;
1987             }
1988             break;
1989
1990         case INPUT_CONTROL_SET_FRAME_NEXT:
1991             if( p_input->p->i_state == PAUSE_S )
1992             {
1993                 es_out_SetFrameNext( p_input->p->p_es_out );
1994             }
1995             else if( p_input->p->i_state == PLAYING_S )
1996             {
1997                 ControlPause( p_input, i_control_date );
1998             }
1999             else
2000             {
2001                 msg_Err( p_input, "invalid state for frame next" );
2002             }
2003             b_force_update = true;
2004             break;
2005
2006         case INPUT_CONTROL_SET_BOOKMARK:
2007         {
2008             mtime_t time_offset = -1;
2009
2010             vlc_mutex_lock( &p_input->p->p_item->lock );
2011             if( val.i_int >= 0 && val.i_int < p_input->p->i_bookmark )
2012             {
2013                 const seekpoint_t *p_bookmark = p_input->p->pp_bookmark[val.i_int];
2014                 time_offset = p_bookmark->i_time_offset;
2015             }
2016             vlc_mutex_unlock( &p_input->p->p_item->lock );
2017
2018             if( time_offset < 0 )
2019             {
2020                 msg_Err( p_input, "invalid bookmark %"PRId64, val.i_int );
2021                 break;
2022             }
2023
2024             val.i_time = time_offset;
2025             b_force_update = Control( p_input, INPUT_CONTROL_SET_TIME, val );
2026             break;
2027         }
2028
2029         case INPUT_CONTROL_NAV_ACTIVATE:
2030         case INPUT_CONTROL_NAV_UP:
2031         case INPUT_CONTROL_NAV_DOWN:
2032         case INPUT_CONTROL_NAV_LEFT:
2033         case INPUT_CONTROL_NAV_RIGHT:
2034             demux_Control( p_input->p->input.p_demux, i_type
2035                            - INPUT_CONTROL_NAV_ACTIVATE + DEMUX_NAV_ACTIVATE );
2036             break;
2037
2038         default:
2039             msg_Err( p_input, "not yet implemented" );
2040             break;
2041     }
2042
2043     ControlRelease( i_type, val );
2044     return b_force_update;
2045 }
2046
2047 /*****************************************************************************
2048  * UpdateTitleSeekpoint
2049  *****************************************************************************/
2050 static int UpdateTitleSeekpoint( input_thread_t *p_input,
2051                                  int i_title, int i_seekpoint )
2052 {
2053     int i_title_end = p_input->p->input.i_title_end -
2054                         p_input->p->input.i_title_offset;
2055     int i_seekpoint_end = p_input->p->input.i_seekpoint_end -
2056                             p_input->p->input.i_seekpoint_offset;
2057
2058     if( i_title_end >= 0 && i_seekpoint_end >= 0 )
2059     {
2060         if( i_title > i_title_end ||
2061             ( i_title == i_title_end && i_seekpoint > i_seekpoint_end ) )
2062             return 0;
2063     }
2064     else if( i_seekpoint_end >= 0 )
2065     {
2066         if( i_seekpoint > i_seekpoint_end )
2067             return 0;
2068     }
2069     else if( i_title_end >= 0 )
2070     {
2071         if( i_title > i_title_end )
2072             return 0;
2073     }
2074     return 1;
2075 }
2076 /*****************************************************************************
2077  * Update*FromDemux:
2078  *****************************************************************************/
2079 static int UpdateTitleSeekpointFromDemux( input_thread_t *p_input )
2080 {
2081     demux_t *p_demux = p_input->p->input.p_demux;
2082
2083     /* TODO event-like */
2084     if( p_demux->info.i_update & INPUT_UPDATE_TITLE )
2085     {
2086         input_SendEventTitle( p_input, p_demux->info.i_title );
2087
2088         p_demux->info.i_update &= ~INPUT_UPDATE_TITLE;
2089     }
2090     if( p_demux->info.i_update & INPUT_UPDATE_SEEKPOINT )
2091     {
2092         input_SendEventSeekpoint( p_input,
2093                                   p_demux->info.i_title, p_demux->info.i_seekpoint );
2094
2095         p_demux->info.i_update &= ~INPUT_UPDATE_SEEKPOINT;
2096     }
2097
2098     /* Hmmm only works with master input */
2099     if( p_input->p->input.p_demux == p_demux )
2100         return UpdateTitleSeekpoint( p_input,
2101                                      p_demux->info.i_title,
2102                                      p_demux->info.i_seekpoint );
2103     return 1;
2104 }
2105
2106 static void UpdateGenericFromDemux( input_thread_t *p_input )
2107 {
2108     demux_t *p_demux = p_input->p->input.p_demux;
2109
2110     if( p_demux->info.i_update & INPUT_UPDATE_META )
2111     {
2112         InputUpdateMeta( p_input, p_demux );
2113         p_demux->info.i_update &= ~INPUT_UPDATE_META;
2114     }
2115     {
2116         double quality;
2117         double strength;
2118
2119         if( !demux_Control( p_demux, DEMUX_GET_SIGNAL, &quality, &strength ) )
2120             input_SendEventSignal( p_input, quality, strength );
2121     }
2122 }
2123
2124 static void UpdateTitleListfromDemux( input_thread_t *p_input )
2125 {
2126     input_source_t *in = &p_input->p->input;
2127
2128     /* Delete the preexisting titles */
2129     if( in->i_title > 0 )
2130     {
2131         for( int i = 0; i < in->i_title; i++ )
2132             vlc_input_title_Delete( in->title[i] );
2133         TAB_CLEAN( in->i_title, in->title );
2134         in->b_title_demux = false;
2135     }
2136
2137     /* Get the new title list */
2138     if( demux_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
2139                        &in->title, &in->i_title,
2140                        &in->i_title_offset, &in->i_seekpoint_offset ) )
2141         TAB_INIT( in->i_title, in->title );
2142     else
2143         in->b_title_demux = true;
2144
2145     InitTitle( p_input );
2146 }
2147
2148
2149 /*****************************************************************************
2150  * InputSourceNew:
2151  *****************************************************************************/
2152 static input_source_t *InputSourceNew( input_thread_t *p_input )
2153 {
2154     VLC_UNUSED(p_input);
2155
2156     return calloc( 1,  sizeof( input_source_t ) );
2157 }
2158
2159 /*****************************************************************************
2160  * InputSourceInit:
2161  *****************************************************************************/
2162 static int InputSourceInit( input_thread_t *p_input,
2163                             input_source_t *in, const char *psz_mrl,
2164                             const char *psz_forced_demux, bool b_in_can_fail )
2165 {
2166     const char *psz_access, *psz_demux, *psz_path, *psz_anchor = NULL;
2167     char *psz_var_demux = NULL;
2168     double f_fps;
2169
2170     assert( psz_mrl );
2171     char *psz_dup = strdup( psz_mrl );
2172
2173     if( psz_dup == NULL )
2174         goto error;
2175
2176     /* Split uri */
2177     input_SplitMRL( &psz_access, &psz_demux, &psz_path, &psz_anchor, psz_dup );
2178
2179     msg_Dbg( p_input, "`%s' gives access `%s' demux `%s' path `%s'",
2180              psz_mrl, psz_access, psz_demux, psz_path );
2181     if( !p_input->b_preparsing )
2182     {
2183         /* Find optional titles and seekpoints */
2184         MRLSections( psz_anchor, &in->i_title_start, &in->i_title_end,
2185                      &in->i_seekpoint_start, &in->i_seekpoint_end );
2186         if( psz_forced_demux && *psz_forced_demux )
2187         {
2188             psz_demux = psz_forced_demux;
2189         }
2190         else if( *psz_demux == '\0' )
2191         {
2192             /* special hack for forcing a demuxer with --demux=module
2193              * (and do nothing with a list) */
2194             psz_var_demux = var_GetNonEmptyString( p_input, "demux" );
2195             psz_demux = psz_var_demux;
2196             msg_Dbg( p_input, "specified demux `%s'", psz_demux );
2197         }
2198
2199         /* Try access_demux first */
2200         in->p_demux = demux_New( p_input, p_input, psz_access, psz_demux,
2201                                  psz_path, NULL, p_input->p->p_es_out, false );
2202     }
2203     else
2204     {
2205         if( *psz_demux )
2206             goto error;
2207         msg_Dbg( p_input, "trying to pre-parse %s",  psz_path );
2208     }
2209
2210     mtime_t i_pts_delay;
2211
2212     if( in->p_demux )
2213     {
2214         /* Get infos from access_demux */
2215         in->b_title_demux = true;
2216         if( demux_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
2217                             &in->title, &in->i_title,
2218                             &in->i_title_offset, &in->i_seekpoint_offset ) )
2219         {
2220             TAB_INIT( in->i_title, in->title );
2221         }
2222         if( demux_Control( in->p_demux, DEMUX_CAN_CONTROL_PACE,
2223                             &in->b_can_pace_control ) )
2224             in->b_can_pace_control = false;
2225
2226         assert( in->p_demux->pf_demux != NULL || !in->b_can_pace_control );
2227
2228         if( !in->b_can_pace_control )
2229         {
2230             if( demux_Control( in->p_demux, DEMUX_CAN_CONTROL_RATE,
2231                                 &in->b_can_rate_control, &in->b_rescale_ts ) )
2232             {
2233                 in->b_can_rate_control = false;
2234                 in->b_rescale_ts = true; /* not used */
2235             }
2236         }
2237         else
2238         {
2239             in->b_can_rate_control = true;
2240             in->b_rescale_ts = true;
2241         }
2242         if( demux_Control( in->p_demux, DEMUX_CAN_PAUSE,
2243                             &in->b_can_pause ) )
2244             in->b_can_pause = false;
2245         var_SetBool( p_input, "can-pause", in->b_can_pause || !in->b_can_pace_control ); /* XXX temporary because of es_out_timeshift*/
2246         var_SetBool( p_input, "can-rate", !in->b_can_pace_control || in->b_can_rate_control ); /* XXX temporary because of es_out_timeshift*/
2247         var_SetBool( p_input, "can-rewind", !in->b_rescale_ts && !in->b_can_pace_control && in->b_can_rate_control );
2248
2249         bool b_can_seek;
2250         if( demux_Control( in->p_demux, DEMUX_CAN_SEEK, &b_can_seek ) )
2251             b_can_seek = false;
2252         var_SetBool( p_input, "can-seek", b_can_seek );
2253     }
2254     else
2255     {   /* Now try a real access */
2256         access_t *p_access = access_New( p_input, p_input,
2257                                          psz_access, psz_demux, psz_path );
2258         if( p_access == NULL )
2259         {
2260             if( vlc_object_alive( p_input ) )
2261             {
2262                 msg_Err( p_input, "open of `%s' failed", psz_mrl );
2263                 if( !b_in_can_fail )
2264                     dialog_Fatal( p_input, _("Your input can't be opened"),
2265                                    _("VLC is unable to open the MRL '%s'."
2266                                      " Check the log for details."), psz_mrl );
2267             }
2268             goto error;
2269         }
2270
2271         /* Access-forced demuxer (PARENTAL ADVISORY: EXPLICIT HACK) */
2272         if( !psz_demux[0] || !strcasecmp( psz_demux, "any" ) )
2273             psz_demux = p_access->psz_demux;
2274
2275         /* */
2276         int  i_input_list;
2277         char **ppsz_input_list;
2278
2279         TAB_INIT( i_input_list, ppsz_input_list );
2280
2281         /* On master stream only, use input-list */
2282         if( &p_input->p->input == in )
2283         {
2284             char *psz_list;
2285             char *psz_parser;
2286
2287             psz_list =
2288             psz_parser = var_CreateGetNonEmptyString( p_input, "input-list" );
2289
2290             while( psz_parser && *psz_parser )
2291             {
2292                 char *p = strchr( psz_parser, ',' );
2293                 if( p )
2294                     *p++ = '\0';
2295
2296                 if( *psz_parser )
2297                 {
2298                     char *psz_name = strdup( psz_parser );
2299                     if( psz_name )
2300                         TAB_APPEND( i_input_list, ppsz_input_list, psz_name );
2301                 }
2302
2303                 psz_parser = p;
2304             }
2305             free( psz_list );
2306         }
2307         /* Autodetect extra files if none specified */
2308         if( i_input_list <= 0 )
2309         {
2310             InputGetExtraFiles( p_input, &i_input_list, &ppsz_input_list,
2311                                 psz_access, psz_path );
2312         }
2313         if( i_input_list > 0 )
2314             TAB_APPEND( i_input_list, ppsz_input_list, NULL );
2315
2316         /* Create the stream_t */
2317         stream_t *p_stream = stream_AccessNew( p_access, ppsz_input_list );
2318         if( ppsz_input_list )
2319         {
2320             for( int i = 0; ppsz_input_list[i] != NULL; i++ )
2321                 free( ppsz_input_list[i] );
2322             TAB_CLEAN( i_input_list, ppsz_input_list );
2323         }
2324
2325         if( p_stream == NULL )
2326         {
2327             msg_Warn( p_input, "cannot create a stream_t from access" );
2328             goto error;
2329         }
2330
2331         /* Add stream filters */
2332         char *psz_stream_filter = var_GetNonEmptyString( p_input,
2333                                                          "stream-filter" );
2334         p_stream = stream_FilterChainNew( p_stream, psz_stream_filter,
2335                                var_GetBool( p_input, "input-record-native" ) );
2336         free( psz_stream_filter );
2337
2338         if( !p_input->b_preparsing )
2339         {
2340             bool b;
2341
2342             stream_Control( p_stream, STREAM_CAN_CONTROL_PACE,
2343                             &in->b_can_pace_control );
2344             in->b_can_rate_control = in->b_can_pace_control;
2345             in->b_rescale_ts = true;
2346
2347             stream_Control( p_stream, STREAM_CAN_PAUSE, &in->b_can_pause );
2348             var_SetBool( p_input, "can-pause",
2349                          in->b_can_pause || !in->b_can_pace_control ); /* XXX temporary because of es_out_timeshift*/
2350             var_SetBool( p_input, "can-rate",
2351                          !in->b_can_pace_control || in->b_can_rate_control ); /* XXX temporary because of es_out_timeshift*/
2352             var_SetBool( p_input, "can-rewind",
2353                          !in->b_rescale_ts && !in->b_can_pace_control );
2354
2355             stream_Control( p_stream, STREAM_CAN_SEEK, &b );
2356             var_SetBool( p_input, "can-seek", b );
2357
2358             in->b_title_demux = false;
2359
2360             stream_Control( p_stream, STREAM_GET_PTS_DELAY, &i_pts_delay );
2361         }
2362
2363         in->p_demux = demux_New( p_input, p_input, psz_access, psz_demux,
2364                    /* Take access/stream redirections into account: */
2365                             p_stream->psz_path ? p_stream->psz_path : psz_path,
2366                                  p_stream, p_input->p->p_es_out,
2367                                  p_input->b_preparsing );
2368
2369         if( in->p_demux == NULL )
2370         {
2371             if( vlc_object_alive( p_input ) )
2372             {
2373                 msg_Err( p_input, "no suitable demux module for `%s/%s://%s'",
2374                          psz_access, psz_demux, psz_path );
2375                 if( !b_in_can_fail )
2376                     dialog_Fatal( VLC_OBJECT( p_input ),
2377                                   _("VLC can't recognize the input's format"),
2378                                   _("The format of '%s' cannot be detected. "
2379                                     "Have a look at the log for details."), psz_mrl );
2380             }
2381             stream_Delete( p_stream );
2382             goto error;
2383         }
2384         assert( in->p_demux->pf_demux != NULL );
2385
2386         /* Get title from demux */
2387         if( !p_input->b_preparsing && in->i_title <= 0 )
2388         {
2389             if( demux_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
2390                                 &in->title, &in->i_title,
2391                                 &in->i_title_offset, &in->i_seekpoint_offset ))
2392             {
2393                 TAB_INIT( in->i_title, in->title );
2394             }
2395             else
2396             {
2397                 in->b_title_demux = true;
2398             }
2399         }
2400     }
2401
2402     free( psz_var_demux );
2403     free( psz_dup );
2404
2405     /* Set record capabilities */
2406     if( demux_Control( in->p_demux, DEMUX_CAN_RECORD, &in->b_can_stream_record ) )
2407         in->b_can_stream_record = false;
2408 #ifdef ENABLE_SOUT
2409     if( !var_GetBool( p_input, "input-record-native" ) )
2410         in->b_can_stream_record = false;
2411     var_SetBool( p_input, "can-record", true );
2412 #else
2413     var_SetBool( p_input, "can-record", in->b_can_stream_record );
2414 #endif
2415
2416     /* get attachment
2417      * FIXME improve for b_preparsing: move it after GET_META and check psz_arturl */
2418     if( !p_input->b_preparsing )
2419     {
2420         int i_attachment;
2421         input_attachment_t **attachment;
2422         if( !demux_Control( in->p_demux, DEMUX_GET_ATTACHMENTS,
2423                              &attachment, &i_attachment ) )
2424         {
2425             vlc_mutex_lock( &p_input->p->p_item->lock );
2426             AppendAttachment( &p_input->p->i_attachment, &p_input->p->attachment, &p_input->p->attachment_demux,
2427                               i_attachment, attachment, in->p_demux );
2428             vlc_mutex_unlock( &p_input->p->p_item->lock );
2429         }
2430
2431         /* PTS delay: request from demux first. This is required for
2432          * access_demux and some special cases like SDP demux. Otherwise,
2433          * fallback to access */
2434         if( demux_Control( in->p_demux, DEMUX_GET_PTS_DELAY,
2435                            &in->i_pts_delay ) )
2436             in->i_pts_delay = i_pts_delay;
2437         if( in->i_pts_delay > INPUT_PTS_DELAY_MAX )
2438             in->i_pts_delay = INPUT_PTS_DELAY_MAX;
2439         else if( in->i_pts_delay < 0 )
2440             in->i_pts_delay = 0;
2441     }
2442
2443     if( !demux_Control( in->p_demux, DEMUX_GET_FPS, &f_fps ) && f_fps > 0.0 )
2444     {
2445         vlc_mutex_lock( &p_input->p->p_item->lock );
2446         p_input->p->f_fps = f_fps;
2447         vlc_mutex_unlock( &p_input->p->p_item->lock );
2448     }
2449
2450     if( var_GetInteger( p_input, "clock-synchro" ) != -1 )
2451         in->b_can_pace_control = !var_GetInteger( p_input, "clock-synchro" );
2452
2453     return VLC_SUCCESS;
2454
2455 error:
2456     if( in->p_demux )
2457         demux_Delete( in->p_demux );
2458
2459     free( psz_var_demux );
2460     free( psz_dup );
2461
2462     return VLC_EGENERIC;
2463 }
2464
2465 /*****************************************************************************
2466  * InputSourceClean:
2467  *****************************************************************************/
2468 static void InputSourceClean( input_source_t *in )
2469 {
2470     int i;
2471
2472     if( in->p_demux )
2473         demux_Delete( in->p_demux );
2474
2475     if( in->i_title > 0 )
2476     {
2477         for( i = 0; i < in->i_title; i++ )
2478             vlc_input_title_Delete( in->title[i] );
2479         TAB_CLEAN( in->i_title, in->title );
2480     }
2481 }
2482
2483 /*****************************************************************************
2484  * InputSourceMeta:
2485  *****************************************************************************/
2486 static void InputSourceMeta( input_thread_t *p_input,
2487                              input_source_t *p_source, vlc_meta_t *p_meta )
2488 {
2489     demux_t *p_demux = p_source->p_demux;
2490
2491     /* XXX Remember that checking against p_item->p_meta->i_status & ITEM_PREPARSED
2492      * is a bad idea */
2493
2494     bool has_meta = false;
2495
2496     /* Read demux meta */
2497     if( !demux_Control( p_demux, DEMUX_GET_META, p_meta ) )
2498         has_meta = true;
2499
2500     bool has_unsupported;
2501     if( demux_Control( p_demux, DEMUX_HAS_UNSUPPORTED_META, &has_unsupported ) )
2502         has_unsupported = true;
2503
2504     /* If the demux report unsupported meta data, or if we don't have meta data
2505      * try an external "meta reader" */
2506     if( has_meta && !has_unsupported )
2507         return;
2508
2509     demux_meta_t *p_demux_meta =
2510         vlc_custom_create( p_demux, sizeof( *p_demux_meta ), "demux meta" );
2511     if( !p_demux_meta )
2512         return;
2513     p_demux_meta->p_demux = p_demux;
2514     p_demux_meta->p_item = p_input->p->p_item;
2515
2516     module_t *p_id3 = module_need( p_demux_meta, "meta reader", NULL, false );
2517     if( p_id3 )
2518     {
2519         if( p_demux_meta->p_meta )
2520         {
2521             vlc_meta_Merge( p_meta, p_demux_meta->p_meta );
2522             vlc_meta_Delete( p_demux_meta->p_meta );
2523         }
2524
2525         if( p_demux_meta->i_attachments > 0 )
2526         {
2527             vlc_mutex_lock( &p_input->p->p_item->lock );
2528             AppendAttachment( &p_input->p->i_attachment, &p_input->p->attachment, &p_input->p->attachment_demux,
2529                               p_demux_meta->i_attachments, p_demux_meta->attachments, p_demux);
2530             vlc_mutex_unlock( &p_input->p->p_item->lock );
2531         }
2532         module_unneed( p_demux, p_id3 );
2533     }
2534     vlc_object_release( p_demux_meta );
2535 }
2536
2537
2538 static void SlaveDemux( input_thread_t *p_input, bool *pb_demux_polled )
2539 {
2540     int64_t i_time;
2541     int i;
2542
2543     *pb_demux_polled = false;
2544     if( demux_Control( p_input->p->input.p_demux, DEMUX_GET_TIME, &i_time ) )
2545     {
2546         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
2547         return;
2548     }
2549
2550     for( i = 0; i < p_input->p->i_slave; i++ )
2551     {
2552         input_source_t *in = p_input->p->slave[i];
2553         int i_ret;
2554
2555         if( in->b_eof )
2556             continue;
2557
2558         const bool b_demux_polled = in->p_demux->pf_demux != NULL;
2559         if( !b_demux_polled )
2560             continue;
2561
2562         *pb_demux_polled = true;
2563
2564         /* Call demux_Demux until we have read enough data */
2565         if( demux_Control( in->p_demux, DEMUX_SET_NEXT_DEMUX_TIME, i_time ) )
2566         {
2567             for( ;; )
2568             {
2569                 int64_t i_stime;
2570                 if( demux_Control( in->p_demux, DEMUX_GET_TIME, &i_stime ) )
2571                 {
2572                     msg_Err( p_input, "slave[%d] doesn't like "
2573                              "DEMUX_GET_TIME -> EOF", i );
2574                     i_ret = 0;
2575                     break;
2576                 }
2577
2578                 if( i_stime >= i_time )
2579                 {
2580                     i_ret = 1;
2581                     break;
2582                 }
2583
2584                 if( ( i_ret = demux_Demux( in->p_demux ) ) <= 0 )
2585                     break;
2586             }
2587         }
2588         else
2589         {
2590             i_ret = demux_Demux( in->p_demux );
2591         }
2592
2593         if( i_ret <= 0 )
2594         {
2595             msg_Dbg( p_input, "slave %d EOF", i );
2596             in->b_eof = true;
2597         }
2598     }
2599 }
2600
2601 static void SlaveSeek( input_thread_t *p_input )
2602 {
2603     int64_t i_time;
2604     int i;
2605
2606     if( demux_Control( p_input->p->input.p_demux, DEMUX_GET_TIME, &i_time ) )
2607     {
2608         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
2609         return;
2610     }
2611
2612     for( i = 0; i < p_input->p->i_slave; i++ )
2613     {
2614         input_source_t *in = p_input->p->slave[i];
2615
2616         if( demux_Control( in->p_demux, DEMUX_SET_TIME, i_time, true ) )
2617         {
2618             if( !in->b_eof )
2619                 msg_Err( p_input, "seek failed for slave %d -> EOF", i );
2620             in->b_eof = true;
2621         }
2622         else
2623         {
2624             in->b_eof = false;
2625         }
2626     }
2627 }
2628
2629 /*****************************************************************************
2630  * InputMetaUser:
2631  *****************************************************************************/
2632 static void InputMetaUser( input_thread_t *p_input, vlc_meta_t *p_meta )
2633 {
2634     static const struct { int i_meta; const char *psz_name; } p_list[] = {
2635         { vlc_meta_Title,       "meta-title" },
2636         { vlc_meta_Artist,      "meta-artist" },
2637         { vlc_meta_Genre,       "meta-genre" },
2638         { vlc_meta_Copyright,   "meta-copyright" },
2639         { vlc_meta_Description, "meta-description" },
2640         { vlc_meta_Date,        "meta-date" },
2641         { vlc_meta_URL,         "meta-url" },
2642         { 0, NULL }
2643     };
2644
2645     /* Get meta information from user */
2646     for( int i = 0; p_list[i].psz_name; i++ )
2647     {
2648         char *psz_string = var_GetNonEmptyString( p_input, p_list[i].psz_name );
2649         if( !psz_string )
2650             continue;
2651
2652         EnsureUTF8( psz_string );
2653         vlc_meta_Set( p_meta, p_list[i].i_meta, psz_string );
2654         free( psz_string );
2655     }
2656 }
2657
2658 static void AppendAttachment( int *pi_attachment, input_attachment_t ***ppp_attachment, demux_t ***ppp_attachment_demux,
2659                               int i_new, input_attachment_t **pp_new, demux_t *p_demux )
2660 {
2661     int i_attachment = *pi_attachment;
2662     input_attachment_t **attachment = *ppp_attachment;
2663     demux_t **attachment_demux = *ppp_attachment_demux;
2664     int i;
2665
2666     attachment = xrealloc( attachment,
2667                     sizeof(*attachment) * ( i_attachment + i_new ) );
2668     attachment_demux = xrealloc( attachment_demux,
2669                     sizeof(*attachment_demux) * ( i_attachment + i_new ) );
2670     for( i = 0; i < i_new; i++ )
2671     {
2672         attachment[i_attachment] = pp_new[i];
2673         attachment_demux[i_attachment++] = p_demux;
2674     }
2675     free( pp_new );
2676
2677     /* */
2678     *pi_attachment = i_attachment;
2679     *ppp_attachment = attachment;
2680     *ppp_attachment_demux = attachment_demux;
2681 }
2682
2683 /*****************************************************************************
2684  * InputUpdateMeta: merge p_item meta data with p_meta taking care of
2685  * arturl and locking issue.
2686  *****************************************************************************/
2687 static void InputUpdateMeta( input_thread_t *p_input, demux_t *p_demux )
2688 {
2689     vlc_meta_t *p_meta = vlc_meta_New();
2690     if( unlikely(p_meta == NULL) )
2691         return;
2692
2693     demux_Control( p_demux, DEMUX_GET_META, p_meta );
2694
2695     /* If metadata changed, then the attachments might have changed.
2696        We need to update them in case they contain album art. */
2697     input_attachment_t **attachment;
2698     int i_attachment;
2699
2700     if( !demux_Control( p_demux, DEMUX_GET_ATTACHMENTS,
2701                         &attachment, &i_attachment ) )
2702     {
2703         vlc_mutex_lock( &p_input->p->p_item->lock );
2704         if( p_input->p->i_attachment > 0 )
2705         {
2706             int j = 0;
2707             for( int i = 0; i < p_input->p->i_attachment; i++ )
2708             {
2709                 if( p_input->p->attachment_demux[i] == p_demux )
2710                     vlc_input_attachment_Delete( p_input->p->attachment[i] );
2711                 else
2712                 {
2713                     p_input->p->attachment[j] = p_input->p->attachment[i];
2714                     p_input->p->attachment_demux[j] = p_input->p->attachment_demux[i];
2715                     j++;
2716                 }
2717             }
2718             p_input->p->i_attachment = j;
2719         }
2720         AppendAttachment( &p_input->p->i_attachment, &p_input->p->attachment, &p_input->p->attachment_demux,
2721                           i_attachment, attachment, p_demux );
2722         vlc_mutex_unlock( &p_input->p->p_item->lock );
2723     }
2724
2725     es_out_ControlSetMeta( p_input->p->p_es_out, p_meta );
2726     vlc_meta_Delete( p_meta );
2727 }
2728
2729 /*****************************************************************************
2730  * InputGetExtraFiles
2731  *  Autodetect extra input list
2732  *****************************************************************************/
2733 static void InputGetExtraFilesPattern( input_thread_t *p_input,
2734                                        int *pi_list, char ***pppsz_list,
2735                                        const char *psz_path,
2736                                        const char *psz_match,
2737                                        const char *psz_format,
2738                                        int i_start, int i_stop )
2739 {
2740     int i_list;
2741     char **ppsz_list;
2742
2743     TAB_INIT( i_list, ppsz_list );
2744
2745     char *psz_base = strdup( psz_path );
2746     if( !psz_base )
2747         goto exit;
2748
2749     /* Remove the extension */
2750     char *psz_end = &psz_base[strlen(psz_base)-strlen(psz_match)];
2751     assert( psz_end >= psz_base);
2752     *psz_end = '\0';
2753
2754     /* Try to list files */
2755     for( int i = i_start; i <= i_stop; i++ )
2756     {
2757         struct stat st;
2758         char *psz_file;
2759
2760         if( asprintf( &psz_file, psz_format, psz_base, i ) < 0 )
2761             break;
2762
2763         char *psz_tmp_path = get_path( psz_file );
2764
2765         if( vlc_stat( psz_tmp_path, &st ) || !S_ISREG( st.st_mode ) || !st.st_size )
2766         {
2767             free( psz_file );
2768             free( psz_tmp_path );
2769             break;
2770         }
2771
2772         msg_Dbg( p_input, "Detected extra file `%s'", psz_file );
2773         TAB_APPEND( i_list, ppsz_list, psz_file );
2774         free( psz_tmp_path );
2775     }
2776     free( psz_base );
2777 exit:
2778     *pi_list = i_list;
2779     *pppsz_list = ppsz_list;
2780 }
2781
2782 static void InputGetExtraFiles( input_thread_t *p_input,
2783                                 int *pi_list, char ***pppsz_list,
2784                                 const char *psz_access, const char *psz_path )
2785 {
2786     static const struct
2787     {
2788         const char *psz_match;
2789         const char *psz_format;
2790         int i_start;
2791         int i_stop;
2792     } p_pattern[] = {
2793         /* XXX the order is important */
2794         { ".001",         "%s.%.3d",        2, 999 },
2795         { NULL, NULL, 0, 0 }
2796     };
2797
2798     TAB_INIT( *pi_list, *pppsz_list );
2799
2800     if( ( psz_access && *psz_access && strcmp( psz_access, "file" ) ) || !psz_path )
2801         return;
2802
2803     const size_t i_path = strlen(psz_path);
2804
2805     for( int i = 0; p_pattern[i].psz_match != NULL; i++ )
2806     {
2807         const size_t i_ext = strlen(p_pattern[i].psz_match );
2808
2809         if( i_path < i_ext )
2810             continue;
2811         if( !strcmp( &psz_path[i_path-i_ext], p_pattern[i].psz_match ) )
2812         {
2813             InputGetExtraFilesPattern( p_input, pi_list, pppsz_list,
2814                                        psz_path,
2815                                        p_pattern[i].psz_match, p_pattern[i].psz_format,
2816                                        p_pattern[i].i_start, p_pattern[i].i_stop );
2817             return;
2818         }
2819     }
2820 }
2821
2822 /* */
2823 static void input_ChangeState( input_thread_t *p_input, int i_state )
2824 {
2825     const bool b_changed = p_input->p->i_state != i_state;
2826
2827     p_input->p->i_state = i_state;
2828     if( i_state == ERROR_S )
2829         p_input->b_error = true;
2830     else if( i_state == END_S )
2831         p_input->b_eof = true;
2832
2833     if( b_changed )
2834     {
2835         input_item_SetErrorWhenReading( p_input->p->p_item, p_input->b_error );
2836         input_SendEventState( p_input, i_state );
2837     }
2838 }
2839
2840
2841 /*****************************************************************************
2842  * MRLSplit: parse the access, demux and url part of the
2843  *           Media Resource Locator.
2844  *****************************************************************************/
2845 void input_SplitMRL( const char **access, const char **demux,
2846                      const char **path, const char **anchor, char *buf )
2847 {
2848     char *p;
2849
2850     /* Separate <path> from <access>[/<demux>]:// */
2851     p = strstr( buf, "://" );
2852     if( p != NULL )
2853     {
2854         *p = '\0';
2855         p += 3; /* skips "://" */
2856         *path = p;
2857
2858         /* Remove HTML anchor if present (not supported).
2859          * The hash symbol itself should be URI-encoded. */
2860         p = strchr( p, '#' );
2861         if( p != NULL )
2862         {
2863             *(p++) = '\0';
2864             *anchor = p;
2865         }
2866         else
2867             *anchor = "";
2868     }
2869     else
2870     {
2871 #ifndef NDEBUG
2872         fprintf( stderr, "%s(\"%s\") probably not a valid URI!\n", __func__,
2873                  buf );
2874 #endif
2875         /* Note: this is a valid non const pointer to "": */
2876         *path = buf + strlen( buf );
2877     }
2878
2879     /* Separate access from demux */
2880     p = strchr( buf, '/' );
2881     if( p != NULL )
2882     {
2883         *(p++) = '\0';
2884         if( p[0] == '$' )
2885             p++;
2886         *demux = p;
2887     }
2888     else
2889         *demux = "";
2890
2891     /* We really don't want module name substitution here! */
2892     p = buf;
2893     if( p[0] == '$' )
2894         p++;
2895     *access = p;
2896 }
2897
2898 static const char *MRLSeekPoint( const char *str, int *title, int *chapter )
2899 {
2900     char *end;
2901     unsigned long u;
2902
2903     /* Look for the title */
2904     u = strtoul( str, &end, 0 );
2905     *title = (str == end || u > (unsigned long)INT_MAX) ? -1 : (int)u;
2906     str = end;
2907
2908     /* Look for the chapter */
2909     if( *str == ':' )
2910     {
2911         str++;
2912         u = strtoul( str, &end, 0 );
2913         *chapter = (str == end || u > (unsigned long)INT_MAX) ? -1 : (int)u;
2914         str = end;
2915     }
2916     else
2917         *chapter = -1;
2918
2919     return str;
2920 }
2921
2922
2923 /*****************************************************************************
2924  * MRLSections: parse title and seekpoint info from the Media Resource Locator.
2925  *
2926  * Syntax:
2927  * [url][@[title_start][:chapter_start][-[title_end][:chapter_end]]]
2928  *****************************************************************************/
2929 static void MRLSections( const char *p,
2930                          int *pi_title_start, int *pi_title_end,
2931                          int *pi_chapter_start, int *pi_chapter_end )
2932 {
2933     *pi_title_start = *pi_title_end = *pi_chapter_start = *pi_chapter_end = -1;
2934
2935     int title_start, chapter_start, title_end, chapter_end;
2936
2937     if( !p )
2938         return;
2939
2940     if( *p != '-' )
2941         p = MRLSeekPoint( p, &title_start, &chapter_start );
2942     else
2943         title_start = chapter_start = -1;
2944
2945     if( *p == '-' )
2946         p = MRLSeekPoint( p + 1, &title_end, &chapter_end );
2947     else
2948         title_end = chapter_end = -1;
2949
2950     if( *p ) /* syntax error */
2951         return;
2952
2953     *pi_title_start = title_start;
2954     *pi_title_end = title_end;
2955     *pi_chapter_start = chapter_start;
2956     *pi_chapter_end = chapter_end;
2957 }
2958
2959 /*****************************************************************************
2960  * input_AddSubtitles: add a subtitle file and enable it
2961  *****************************************************************************/
2962 static void input_SubtitleAdd( input_thread_t *p_input,
2963                                const char *url, unsigned i_flags )
2964 {
2965     input_source_t *sub = InputSourceNew( p_input );
2966     if( sub == NULL )
2967         return;
2968
2969     vlc_value_t count;
2970
2971     var_Change( p_input, "spu-es", VLC_VAR_CHOICESCOUNT, &count, NULL );
2972
2973     if( InputSourceInit( p_input, sub, url, "subtitle",
2974                          (i_flags & SUB_CANFAIL) ) )
2975     {
2976         free( sub );
2977         return;
2978     }
2979     TAB_APPEND( p_input->p->i_slave, p_input->p->slave, sub );
2980
2981     if( !(i_flags & SUB_FORCED) )
2982         return;
2983
2984     /* Select the ES */
2985     vlc_value_t list;
2986
2987     if( var_Change( p_input, "spu-es", VLC_VAR_GETCHOICES, &list, NULL ) )
2988         return;
2989     if( count.i_int == 0 )
2990         count.i_int++;
2991     /* if it was first one, there is disable too */
2992
2993     if( count.i_int < list.p_list->i_count )
2994     {
2995         const int i_id = list.p_list->p_values[count.i_int].i_int;
2996
2997         es_out_Control( p_input->p->p_es_out_display, ES_OUT_SET_ES_DEFAULT_BY_ID, i_id );
2998         es_out_Control( p_input->p->p_es_out_display, ES_OUT_SET_ES_BY_ID, i_id );
2999     }
3000     var_FreeList( &list, NULL );
3001 }
3002
3003 static void input_SubtitleFileAdd( input_thread_t *p_input, char *psz_subtitle,
3004                                    unsigned i_flags )
3005 {
3006     /* if we are provided a subtitle.sub file,
3007      * see if we don't have a subtitle.idx and use it instead */
3008     char *psz_path = strdup( psz_subtitle );
3009     if( likely(psz_path != NULL) )
3010     {
3011         char *psz_extension = strrchr( psz_path, '.');
3012         if( psz_extension && strcmp( psz_extension, ".sub" ) == 0 )
3013         {
3014             struct stat st;
3015
3016             strcpy( psz_extension, ".idx" );
3017
3018             if( !vlc_stat( psz_path, &st ) && S_ISREG( st.st_mode ) )
3019             {
3020                 msg_Dbg( p_input, "using %s as subtitle file instead of %s",
3021                          psz_path, psz_subtitle );
3022                 strcpy( psz_subtitle, psz_path ); /* <- FIXME! constify */
3023             }
3024         }
3025         free( psz_path );
3026     }
3027
3028     char *url = vlc_path2uri( psz_subtitle, NULL );
3029     if( url == NULL )
3030         return;
3031
3032     input_SubtitleAdd( p_input, url, i_flags );
3033     free( url );
3034 }
3035
3036 /*****************************************************************************
3037  * Statistics
3038  *****************************************************************************/
3039 void input_UpdateStatistic( input_thread_t *p_input,
3040                             input_statistic_t i_type, int i_delta )
3041 {
3042     assert( p_input->p->i_state != INIT_S );
3043
3044     vlc_mutex_lock( &p_input->p->counters.counters_lock);
3045     switch( i_type )
3046     {
3047 #define I(c) stats_Update( p_input->p->counters.c, i_delta, NULL )
3048     case INPUT_STATISTIC_DECODED_VIDEO:
3049         I(p_decoded_video);
3050         break;
3051     case INPUT_STATISTIC_DECODED_AUDIO:
3052         I(p_decoded_audio);
3053         break;
3054     case INPUT_STATISTIC_DECODED_SUBTITLE:
3055         I(p_decoded_sub);
3056         break;
3057     case INPUT_STATISTIC_SENT_PACKET:
3058         I(p_sout_sent_packets);
3059         break;
3060 #undef I
3061     case INPUT_STATISTIC_SENT_BYTE:
3062     {
3063         uint64_t bytes;
3064
3065         stats_Update( p_input->p->counters.p_sout_sent_bytes, i_delta, &bytes );
3066         stats_Update( p_input->p->counters.p_sout_send_bitrate, bytes, NULL );
3067         break;
3068     }
3069     default:
3070         msg_Err( p_input, "Invalid statistic type %d (internal error)", i_type );
3071         break;
3072     }
3073     vlc_mutex_unlock( &p_input->p->counters.counters_lock);
3074 }
3075
3076 /**/
3077 /* TODO FIXME nearly the same logic that snapshot code */
3078 char *input_CreateFilename( input_thread_t *input, const char *psz_path, const char *psz_prefix, const char *psz_extension )
3079 {
3080     char *psz_file;
3081     DIR *path;
3082
3083     path = vlc_opendir( psz_path );
3084     if( path )
3085     {
3086         closedir( path );
3087
3088         char *psz_tmp = str_format( input, psz_prefix );
3089         if( !psz_tmp )
3090             return NULL;
3091
3092         filename_sanitize( psz_tmp );
3093
3094         if( asprintf( &psz_file, "%s"DIR_SEP"%s%s%s",
3095                       psz_path, psz_tmp,
3096                       psz_extension ? "." : "",
3097                       psz_extension ? psz_extension : "" ) < 0 )
3098             psz_file = NULL;
3099         free( psz_tmp );
3100         return psz_file;
3101     }
3102     else
3103     {
3104         psz_file = str_format( input, psz_path );
3105         path_sanitize( psz_file );
3106         return psz_file;
3107     }
3108 }