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_force_update = false;
 690         bool b_paused = p_input->p->i_state == PAUSE_S;
 691         /* FIXME if p_input->p->i_state == PAUSE_S the access/access_demux
 692          * is paused -> this may cause problem with some of them
 693          * The same problem can be seen when seeking while paused */
 694         if( b_paused )
 695             b_paused = !es_out_GetBuffering( p_input->p->p_es_out ) || p_input->p->input.b_eof;
 696
 697         if( !b_paused )
 698         {
 699             if( !p_input->p->input.b_eof )
 700             {
 701                 MainLoopDemux( p_input, &b_force_update, &b_demux_polled, i_start_mdate );
 702
 703                 i_wakeup = es_out_GetWakeup( p_input->p->p_es_out );
 704             }
 705             else if( !es_out_GetEmpty( p_input->p->p_es_out ) )
 706             {
 707                 msg_Dbg( p_input, "waiting decoder fifos to empty" );
 708                 i_wakeup = mdate() + INPUT_IDLE_SLEEP;
 709             }
 710             /* Pause after eof only if the input is pausable.
 711              * This way we won't trigger timeshifting for nothing */
 712             else if( b_pause_after_eof && p_input->p->b_can_pause )
 713             {
 714                 vlc_value_t val = { .i_int = PAUSE_S };
 715
 716                 msg_Dbg( p_input, "pausing at EOF (pause after each)");
 717                 Control( p_input, INPUT_CONTROL_SET_STATE, val );
 718
 719                 b_paused = true;
 720             }
 721             else
 722             {
 723                 if( MainLoopTryRepeat( p_input, &i_start_mdate ) )
 724                     break;
 725                 b_pause_after_eof = var_GetBool( p_input, "play-and-pause" );
 726             }
 727         }
 728
 729         /* */
 730         mtime_t now;
 731
 732         do {
 733             mtime_t i_deadline = i_wakeup;
 734             if( b_paused || !b_demux_polled )
 735                 i_deadline = i_intf_update;
 736
 737             /* Handle control */
 738             for( ;; )
 739             {
 740                 mtime_t i_limit = i_deadline;
 741
 742                 /* Postpone seeking until ES buffering is complete or at most
 743                  * 125 ms. */
 744                 bool b_buffering = es_out_GetBuffering( p_input->p->p_es_out )
 745                                 && !p_input->p->input.b_eof;
 746                 if( b_buffering )
 747                 {
 748                     mtime_t now = mdate();
 749
 750                     /* Recheck ES buffer level every 20 ms when seeking */
 751                     if( now < i_last_seek_mdate + INT64_C(125000)
 752                      && i_deadline > now + INT64_C(20000) )
 753                         i_limit = now + INT64_C(20000);
 754                 }
 755
 756                 int i_type;
 757                 vlc_value_t val;
 758
 759                 if( ControlPop( p_input, &i_type, &val, i_limit, b_buffering ) )
 760                 {
 761                     if( b_buffering && i_limit < i_deadline )
 762                         continue;
 763                     break;
 764                 }
 765
 766 #ifndef NDEBUG
 767                 msg_Dbg( p_input, "control type=%d", i_type );
 768 #endif
 769
 770                 if( Control( p_input, i_type, val ) )
 771                 {
 772                     if( ControlIsSeekRequest( i_type ) )
 773                         i_last_seek_mdate = mdate();
 774                     b_force_update = true;
 775                 }
 776             }
 777
 778             /* Update interface and statistics */
 779             now = mdate();
 780             if( now >= i_intf_update || b_force_update )
 781             {
 782                 MainLoopStatistics( p_input );
 783                 i_intf_update = now + INT64_C(250000);
 784                 b_force_update = false;
 785             }
 786
 787             /* Update the wakeup time */
 788             if( i_wakeup != 0 )
 789                 i_wakeup = es_out_GetWakeup( p_input->p->p_es_out );
 790         } while( now < i_wakeup );
 791     }
 792
 793     if( !p_input->b_error )
 794         input_ChangeState( p_input, END_S );
 795 }
 796
 797 static void InitStatistics( input_thread_t * p_input )
 798 {
 799     if( p_input->b_preparsing ) return;
 800
 801     /* Prepare statistics */
 802 #define INIT_COUNTER( c, compute ) p_input->p->counters.p_##c = \
 803  stats_CounterCreate( STATS_##compute);
 804     if( libvlc_stats( p_input ) )
 805     {
 806         INIT_COUNTER( read_bytes, COUNTER );
 807         INIT_COUNTER( read_packets, COUNTER );
 808         INIT_COUNTER( demux_read, COUNTER );
 809         INIT_COUNTER( input_bitrate, DERIVATIVE );
 810         INIT_COUNTER( demux_bitrate, DERIVATIVE );
 811         INIT_COUNTER( demux_corrupted, COUNTER );
 812         INIT_COUNTER( demux_discontinuity, COUNTER );
 813         INIT_COUNTER( played_abuffers, COUNTER );
 814         INIT_COUNTER( lost_abuffers, COUNTER );
 815         INIT_COUNTER( displayed_pictures, COUNTER );
 816         INIT_COUNTER( lost_pictures, COUNTER );
 817         INIT_COUNTER( decoded_audio, COUNTER );
 818         INIT_COUNTER( decoded_video, COUNTER );
 819         INIT_COUNTER( decoded_sub, COUNTER );
 820         p_input->p->counters.p_sout_send_bitrate = NULL;
 821         p_input->p->counters.p_sout_sent_packets = NULL;
 822         p_input->p->counters.p_sout_sent_bytes = NULL;
 823     }
 824 }
 825
 826 #ifdef ENABLE_SOUT
 827 static int InitSout( input_thread_t * p_input )
 828 {
 829     if( p_input->b_preparsing )
 830         return VLC_SUCCESS;
 831
 832     /* Find a usable sout and attach it to p_input */
 833     char *psz = var_GetNonEmptyString( p_input, "sout" );
 834     if( psz && strncasecmp( p_input->p->p_item->psz_uri, "vlc:", 4 ) )
 835     {
 836         p_input->p->p_sout  = input_resource_RequestSout( p_input->p->p_resource, NULL, psz );
 837         if( !p_input->p->p_sout )
 838         {
 839             input_ChangeState( p_input, ERROR_S );
 840             msg_Err( p_input, "cannot start stream output instance, " \
 841                               "aborting" );
 842             free( psz );
 843             return VLC_EGENERIC;
 844         }
 845         if( libvlc_stats( p_input ) )
 846         {
 847             INIT_COUNTER( sout_sent_packets, COUNTER );
 848             INIT_COUNTER( sout_sent_bytes, COUNTER );
 849             INIT_COUNTER( sout_send_bitrate, DERIVATIVE );
 850         }
 851     }
 852     else
 853     {
 854         input_resource_RequestSout( p_input->p->p_resource, NULL, NULL );
 855     }
 856     free( psz );
 857
 858     return VLC_SUCCESS;
 859 }
 860 #endif
 861
 862 static void InitTitle( input_thread_t * p_input )
 863 {
 864     input_source_t *p_master = &p_input->p->input;
 865
 866     if( p_input->b_preparsing )
 867         return;
 868
 869     vlc_mutex_lock( &p_input->p->p_item->lock );
 870     /* Create global title (from master) */
 871     p_input->p->i_title = p_master->i_title;
 872     p_input->p->title   = p_master->title;
 873     p_input->p->i_title_offset = p_master->i_title_offset;
 874     p_input->p->i_seekpoint_offset = p_master->i_seekpoint_offset;
 875     if( p_input->p->i_title > 0 )
 876     {
 877         /* Setup variables */
 878         input_ControlVarNavigation( p_input );
 879         input_SendEventTitle( p_input, 0 );
 880     }
 881
 882     /* Global flag */
 883     p_input->p->b_can_pace_control    = p_master->b_can_pace_control;
 884     p_input->p->b_can_pause        = p_master->b_can_pause;
 885     p_input->p->b_can_rate_control = p_master->b_can_rate_control;
 886     vlc_mutex_unlock( &p_input->p->p_item->lock );
 887 }
 888
 889 static void StartTitle( input_thread_t * p_input )
 890 {
 891     vlc_value_t val;
 892
 893     /* Start title/chapter */
 894     val.i_int = p_input->p->input.i_title_start -
 895                 p_input->p->input.i_title_offset;
 896     if( val.i_int > 0 && val.i_int < p_input->p->input.i_title )
 897         input_ControlPush( p_input, INPUT_CONTROL_SET_TITLE, &val );
 898
 899     val.i_int = p_input->p->input.i_seekpoint_start -
 900                 p_input->p->input.i_seekpoint_offset;
 901     if( val.i_int > 0 /* TODO: check upper boundary */ )
 902         input_ControlPush( p_input, INPUT_CONTROL_SET_SEEKPOINT, &val );
 903
 904     /* Start/stop/run time */
 905     p_input->p->i_start = llroundf(1000000.f
 906                                      * var_GetFloat( p_input, "start-time" ));
 907     p_input->p->i_stop  = llroundf(1000000.f
 908                                      * var_GetFloat( p_input, "stop-time" ));
 909     p_input->p->i_run   = llroundf(1000000.f
 910                                      * var_GetFloat( p_input, "run-time" ));
 911     if( p_input->p->i_run < 0 )
 912     {
 913         msg_Warn( p_input, "invalid run-time ignored" );
 914         p_input->p->i_run = 0;
 915     }
 916
 917     if( p_input->p->i_start > 0 )
 918     {
 919         vlc_value_t s;
 920
 921         msg_Dbg( p_input, "starting at time: %ds",
 922                  (int)( p_input->p->i_start / CLOCK_FREQ ) );
 923
 924         s.i_time = p_input->p->i_start;
 925         input_ControlPush( p_input, INPUT_CONTROL_SET_TIME, &s );
 926     }
 927     if( p_input->p->i_stop > 0 && p_input->p->i_stop <= p_input->p->i_start )
 928     {
 929         msg_Warn( p_input, "invalid stop-time ignored" );
 930         p_input->p->i_stop = 0;
 931     }
 932     p_input->p->b_fast_seek = var_GetBool( p_input, "input-fast-seek" );
 933 }
 934
 935 static void LoadSubtitles( input_thread_t *p_input )
 936 {
 937     /* Load subtitles */
 938     /* Get fps and set it if not already set */
 939     const float f_fps = p_input->p->f_fps;
 940     if( f_fps > 1.f )
 941     {
 942         var_Create( p_input, "sub-original-fps", VLC_VAR_FLOAT );
 943         var_SetFloat( p_input, "sub-original-fps", f_fps );
 944
 945         float f_requested_fps = var_CreateGetFloat( p_input, "sub-fps" );
 946         if( f_requested_fps != f_fps )
 947         {
 948             var_Create( p_input, "sub-fps", VLC_VAR_FLOAT|
 949                                             VLC_VAR_DOINHERIT );
 950             var_SetFloat( p_input, "sub-fps", f_requested_fps );
 951         }
 952     }
 953
 954     const int i_delay = var_CreateGetInteger( p_input, "sub-delay" );
 955     if( i_delay != 0 )
 956         var_SetTime( p_input, "spu-delay", (mtime_t)i_delay * 100000 );
 957
 958     /* Look for and add subtitle files */
 959     unsigned i_flags = SUB_FORCED;
 960
 961     char *psz_subtitle = var_GetNonEmptyString( p_input, "sub-file" );
 962     if( psz_subtitle != NULL )
 963     {
 964         msg_Dbg( p_input, "forced subtitle: %s", psz_subtitle );
 965         input_SubtitleFileAdd( p_input, psz_subtitle, i_flags );
 966         i_flags = SUB_NOFLAG;
 967     }
 968
 969     if( var_GetBool( p_input, "sub-autodetect-file" ) )
 970     {
 971         char *psz_autopath = var_GetNonEmptyString( p_input, "sub-autodetect-path" );
 972         char **ppsz_subs = subtitles_Detect( p_input, psz_autopath,
 973                                              p_input->p->p_item->psz_uri );
 974         free( psz_autopath );
 975
 976         for( int i = 0; ppsz_subs && ppsz_subs[i]; i++ )
 977         {
 978             if( !psz_subtitle || strcmp( psz_subtitle, ppsz_subs[i] ) )
 979             {
 980                 i_flags |= SUB_CANFAIL;
 981                 input_SubtitleFileAdd( p_input, ppsz_subs[i], i_flags );
 982                 i_flags = SUB_NOFLAG;
 983             }
 984
 985             free( ppsz_subs[i] );
 986         }
 987         free( ppsz_subs );
 988     }
 989     free( psz_subtitle );
 990
 991     /* Load subtitles from attachments */
 992     int i_attachment = 0;
 993     input_attachment_t **pp_attachment = NULL;
 994
 995     vlc_mutex_lock( &p_input->p->p_item->lock );
 996     for( int i = 0; i < p_input->p->i_attachment; i++ )
 997     {
 998         const input_attachment_t *a = p_input->p->attachment[i];
 999         if( !strcmp( a->psz_mime, "application/x-srt" ) )
1000             TAB_APPEND( i_attachment, pp_attachment,
1001                         vlc_input_attachment_New( a->psz_name, NULL,
1002                                                   a->psz_description, NULL, 0 ) );
1003     }
1004     vlc_mutex_unlock( &p_input->p->p_item->lock );
1005
1006     if( i_attachment > 0 )
1007         var_Create( p_input, "sub-description", VLC_VAR_STRING );
1008     for( int i = 0; i < i_attachment; i++ )
1009     {
1010         input_attachment_t *a = pp_attachment[i];
1011         if( !a )
1012             continue;
1013         char *psz_mrl;
1014         if( a->psz_name[i] &&
1015             asprintf( &psz_mrl, "attachment://%s", a->psz_name ) >= 0 )
1016         {
1017             var_SetString( p_input, "sub-description", a->psz_description ? a->psz_description : "");
1018
1019             input_SubtitleAdd( p_input, psz_mrl, i_flags );
1020
1021             i_flags = SUB_NOFLAG;
1022             free( psz_mrl );
1023         }
1024         vlc_input_attachment_Delete( a );
1025     }
1026     free( pp_attachment );
1027     if( i_attachment > 0 )
1028         var_Destroy( p_input, "sub-description" );
1029 }
1030
1031 static void LoadSlaves( input_thread_t *p_input )
1032 {
1033     char *psz = var_GetNonEmptyString( p_input, "input-slave" );
1034     if( !psz )
1035         return;
1036
1037     char *psz_org = psz;
1038     while( psz && *psz )
1039     {
1040         while( *psz == ' ' || *psz == '#' )
1041             psz++;
1042
1043         char *psz_delim = strchr( psz, '#' );
1044         if( psz_delim )
1045             *psz_delim++ = '\0';
1046
1047         if( *psz == 0 )
1048             break;
1049
1050         char *uri = strstr(psz, "://")
1051                                    ? strdup( psz ) : vlc_path2uri( psz, NULL );
1052         psz = psz_delim;
1053         if( uri == NULL )
1054             continue;
1055         msg_Dbg( p_input, "adding slave input '%s'", uri );
1056
1057         input_source_t *p_slave = InputSourceNew( p_input );
1058         if( p_slave && !InputSourceInit( p_input, p_slave, uri, NULL, false ) )
1059             TAB_APPEND( p_input->p->i_slave, p_input->p->slave, p_slave );
1060         else
1061             free( p_slave );
1062         free( uri );
1063     }
1064     free( psz_org );
1065 }
1066
1067 static void UpdatePtsDelay( input_thread_t *p_input )
1068 {
1069     input_thread_private_t *p_sys = p_input->p;
1070
1071     /* Get max pts delay from input source */
1072     mtime_t i_pts_delay = p_sys->input.i_pts_delay;
1073     for( int i = 0; i < p_sys->i_slave; i++ )
1074         i_pts_delay = __MAX( i_pts_delay, p_sys->slave[i]->i_pts_delay );
1075
1076     if( i_pts_delay < 0 )
1077         i_pts_delay = 0;
1078
1079     /* Take care of audio/spu delay */
1080     const mtime_t i_audio_delay = var_GetTime( p_input, "audio-delay" );
1081     const mtime_t i_spu_delay   = var_GetTime( p_input, "spu-delay" );
1082     const mtime_t i_extra_delay = __MIN( i_audio_delay, i_spu_delay );
1083     if( i_extra_delay < 0 )
1084         i_pts_delay -= i_extra_delay;
1085
1086     /* Update cr_average depending on the caching */
1087     const int i_cr_average = var_GetInteger( p_input, "cr-average" ) * i_pts_delay / DEFAULT_PTS_DELAY;
1088
1089     /* */
1090     es_out_SetDelay( p_input->p->p_es_out_display, AUDIO_ES, i_audio_delay );
1091     es_out_SetDelay( p_input->p->p_es_out_display, SPU_ES, i_spu_delay );
1092     es_out_SetJitter( p_input->p->p_es_out, i_pts_delay, 0, i_cr_average );
1093 }
1094
1095 static void InitPrograms( input_thread_t * p_input )
1096 {
1097     int i_es_out_mode;
1098     vlc_list_t list;
1099
1100     /* Compute correct pts_delay */
1101     UpdatePtsDelay( p_input );
1102
1103     /* Set up es_out */
1104     i_es_out_mode = ES_OUT_MODE_AUTO;
1105     if( p_input->p->p_sout )
1106     {
1107         char *prgms;
1108
1109         if( (prgms = var_GetNonEmptyString( p_input, "programs" )) != NULL )
1110         {
1111             char *buf;
1112
1113             TAB_INIT( list.i_count, list.p_values );
1114             for( const char *prgm = strtok_r( prgms, ",", &buf );
1115                  prgm != NULL;
1116                  prgm = strtok_r( NULL, ",", &buf ) )
1117             {
1118                 vlc_value_t val = { .i_int = atoi( prgm ) };
1119                 INSERT_ELEM( list.p_values, list.i_count, list.i_count, val );
1120             }
1121
1122             if( list.i_count > 0 )
1123                 i_es_out_mode = ES_OUT_MODE_PARTIAL;
1124                 /* Note : we should remove the "program" callback. */
1125
1126             free( prgms );
1127         }
1128         else if( var_GetBool( p_input, "sout-all" ) )
1129         {
1130             i_es_out_mode = ES_OUT_MODE_ALL;
1131         }
1132     }
1133     es_out_SetMode( p_input->p->p_es_out, i_es_out_mode );
1134
1135     /* Inform the demuxer about waited group (needed only for DVB) */
1136     if( i_es_out_mode == ES_OUT_MODE_ALL )
1137     {
1138         demux_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, -1, NULL );
1139     }
1140     else if( i_es_out_mode == ES_OUT_MODE_PARTIAL )
1141     {
1142         demux_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, -1,
1143                        &list );
1144         TAB_CLEAN( list.i_count, list.p_values );
1145     }
1146     else
1147     {
1148         demux_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP,
1149                        es_out_GetGroupForced( p_input->p->p_es_out ), NULL );
1150     }
1151 }
1152
1153 static int Init( input_thread_t * p_input )
1154 {
1155     for( int i = 0; i < p_input->p->p_item->i_options; i++ )
1156     {
1157         if( !strncmp( p_input->p->p_item->ppsz_options[i], "meta-file", 9 ) )
1158         {
1159             msg_Dbg( p_input, "Input is a meta file: disabling unneeded options" );
1160             var_SetString( p_input, "sout", "" );
1161             var_SetBool( p_input, "sout-all", false );
1162             var_SetString( p_input, "input-slave", "" );
1163             var_SetInteger( p_input, "input-repeat", 0 );
1164             var_SetString( p_input, "sub-file", "" );
1165             var_SetBool( p_input, "sub-autodetect-file", false );
1166         }
1167     }
1168
1169     InitStatistics( p_input );
1170 #ifdef ENABLE_SOUT
1171     if( InitSout( p_input ) )
1172         goto error;
1173 #endif
1174
1175     /* Create es out */
1176     p_input->p->p_es_out = input_EsOutTimeshiftNew( p_input, p_input->p->p_es_out_display, p_input->p->i_rate );
1177
1178     /* */
1179     input_ChangeState( p_input, OPENING_S );
1180     input_SendEventCache( p_input, 0.0 );
1181
1182     /* */
1183     if( InputSourceInit( p_input, &p_input->p->input,
1184                          p_input->p->p_item->psz_uri, NULL, false ) )
1185     {
1186         goto error;
1187     }
1188
1189     InitTitle( p_input );
1190
1191     /* Load master infos */
1192     /* Init length */
1193     mtime_t i_length;
1194     if( demux_Control( p_input->p->input.p_demux, DEMUX_GET_LENGTH,
1195                          &i_length ) )
1196         i_length = 0;
1197     if( i_length <= 0 )
1198         i_length = input_item_GetDuration( p_input->p->p_item );
1199     input_SendEventLength( p_input, i_length );
1200
1201     input_SendEventPosition( p_input, 0.0, 0 );
1202
1203     if( !p_input->b_preparsing )
1204     {
1205         StartTitle( p_input );
1206         LoadSubtitles( p_input );
1207         LoadSlaves( p_input );
1208         InitPrograms( p_input );
1209
1210         double f_rate = var_InheritFloat( p_input, "rate" );
1211         if( f_rate != 0.0 && f_rate != 1.0 )
1212         {
1213             vlc_value_t val = { .i_int = INPUT_RATE_DEFAULT / f_rate };
1214             input_ControlPush( p_input, INPUT_CONTROL_SET_RATE, &val );
1215         }
1216     }
1217
1218     if( !p_input->b_preparsing && p_input->p->p_sout )
1219     {
1220         p_input->p->b_out_pace_control = (p_input->p->p_sout->i_out_pace_nocontrol > 0);
1221
1222         if( p_input->p->b_can_pace_control && p_input->p->b_out_pace_control )
1223         {
1224             /* We don't want a high input priority here or we'll
1225              * end-up sucking up all the CPU time */
1226             vlc_set_priority( p_input->p->thread, VLC_THREAD_PRIORITY_LOW );
1227         }
1228
1229         msg_Dbg( p_input, "starting in %s mode",
1230                  p_input->p->b_out_pace_control ? "async" : "sync" );
1231     }
1232
1233     vlc_meta_t *p_meta = vlc_meta_New();
1234     if( p_meta != NULL )
1235     {
1236         /* Get meta data from users */
1237         InputMetaUser( p_input, p_meta );
1238
1239         /* Get meta data from master input */
1240         InputSourceMeta( p_input, &p_input->p->input, p_meta );
1241
1242         /* And from slave */
1243         for( int i = 0; i < p_input->p->i_slave; i++ )
1244             InputSourceMeta( p_input, p_input->p->slave[i], p_meta );
1245
1246         es_out_ControlSetMeta( p_input->p->p_es_out, p_meta );
1247         vlc_meta_Delete( p_meta );
1248     }
1249
1250     msg_Dbg( p_input, "`%s' successfully opened",
1251              p_input->p->p_item->psz_uri );
1252
1253     /* initialization is complete */
1254     input_ChangeState( p_input, PLAYING_S );
1255
1256     return VLC_SUCCESS;
1257
1258 error:
1259     input_ChangeState( p_input, ERROR_S );
1260
1261     if( p_input->p->p_es_out )
1262         es_out_Delete( p_input->p->p_es_out );
1263     es_out_SetMode( p_input->p->p_es_out_display, ES_OUT_MODE_END );
1264     if( p_input->p->p_resource )
1265     {
1266         if( p_input->p->p_sout )
1267             input_resource_RequestSout( p_input->p->p_resource,
1268                                          p_input->p->p_sout, NULL );
1269         input_resource_SetInput( p_input->p->p_resource, NULL );
1270         if( p_input->p->p_resource_private )
1271             input_resource_Terminate( p_input->p->p_resource_private );
1272     }
1273
1274     if( !p_input->b_preparsing && libvlc_stats( p_input ) )
1275     {
1276 #define EXIT_COUNTER( c ) do { if( p_input->p->counters.p_##c ) \
1277                                    stats_CounterClean( p_input->p->counters.p_##c );\
1278                                p_input->p->counters.p_##c = NULL; } while(0)
1279         EXIT_COUNTER( read_bytes );
1280         EXIT_COUNTER( read_packets );
1281         EXIT_COUNTER( demux_read );
1282         EXIT_COUNTER( input_bitrate );
1283         EXIT_COUNTER( demux_bitrate );
1284         EXIT_COUNTER( demux_corrupted );
1285         EXIT_COUNTER( demux_discontinuity );
1286         EXIT_COUNTER( played_abuffers );
1287         EXIT_COUNTER( lost_abuffers );
1288         EXIT_COUNTER( displayed_pictures );
1289         EXIT_COUNTER( lost_pictures );
1290         EXIT_COUNTER( decoded_audio );
1291         EXIT_COUNTER( decoded_video );
1292         EXIT_COUNTER( decoded_sub );
1293
1294         if( p_input->p->p_sout )
1295         {
1296             EXIT_COUNTER( sout_sent_packets );
1297             EXIT_COUNTER( sout_sent_bytes );
1298             EXIT_COUNTER( sout_send_bitrate );
1299         }
1300 #undef EXIT_COUNTER
1301     }
1302
1303     /* Mark them deleted */
1304     p_input->p->input.p_demux = NULL;
1305     p_input->p->p_es_out = NULL;
1306     p_input->p->p_sout = NULL;
1307
1308     return VLC_EGENERIC;
1309 }
1310
1311 /*****************************************************************************
1312  * End: end the input thread
1313  *****************************************************************************/
1314 static void End( input_thread_t * p_input )
1315 {
1316     int i;
1317
1318     /* We are at the end */
1319     input_ChangeState( p_input, END_S );
1320
1321     /* Clean control variables */
1322     input_ControlVarStop( p_input );
1323
1324     /* Stop es out activity */
1325     es_out_SetMode( p_input->p->p_es_out, ES_OUT_MODE_NONE );
1326
1327     /* Clean up master */
1328     InputSourceClean( &p_input->p->input );
1329
1330     /* Delete slave */
1331     for( i = 0; i < p_input->p->i_slave; i++ )
1332     {
1333         InputSourceClean( p_input->p->slave[i] );
1334         free( p_input->p->slave[i] );
1335     }
1336     free( p_input->p->slave );
1337
1338     /* Unload all modules */
1339     if( p_input->p->p_es_out )
1340         es_out_Delete( p_input->p->p_es_out );
1341     es_out_SetMode( p_input->p->p_es_out_display, ES_OUT_MODE_END );
1342
1343     if( !p_input->b_preparsing )
1344     {
1345 #define CL_CO( c ) stats_CounterClean( p_input->p->counters.p_##c ); p_input->p->counters.p_##c = NULL;
1346         if( libvlc_stats( p_input ) )
1347         {
1348             /* make sure we are up to date */
1349             stats_ComputeInputStats( p_input, p_input->p->p_item->p_stats );
1350             CL_CO( read_bytes );
1351             CL_CO( read_packets );
1352             CL_CO( demux_read );
1353             CL_CO( input_bitrate );
1354             CL_CO( demux_bitrate );
1355             CL_CO( demux_corrupted );
1356             CL_CO( demux_discontinuity );
1357             CL_CO( played_abuffers );
1358             CL_CO( lost_abuffers );
1359             CL_CO( displayed_pictures );
1360             CL_CO( lost_pictures );
1361             CL_CO( decoded_audio) ;
1362             CL_CO( decoded_video );
1363             CL_CO( decoded_sub) ;
1364         }
1365
1366         /* Close optional stream output instance */
1367         if( p_input->p->p_sout )
1368         {
1369             CL_CO( sout_sent_packets );
1370             CL_CO( sout_sent_bytes );
1371             CL_CO( sout_send_bitrate );
1372         }
1373 #undef CL_CO
1374     }
1375
1376     vlc_mutex_lock( &p_input->p->p_item->lock );
1377     if( p_input->p->i_attachment > 0 )
1378     {
1379         for( i = 0; i < p_input->p->i_attachment; i++ )
1380             vlc_input_attachment_Delete( p_input->p->attachment[i] );
1381         TAB_CLEAN( p_input->p->i_attachment, p_input->p->attachment );
1382         free( p_input->p->attachment_demux);
1383         p_input->p->attachment_demux = NULL;
1384     }
1385     vlc_mutex_unlock( &p_input->p->p_item->lock );
1386
1387     /* */
1388     input_resource_RequestSout( p_input->p->p_resource,
1389                                  p_input->p->p_sout, NULL );
1390     input_resource_SetInput( p_input->p->p_resource, NULL );
1391     if( p_input->p->p_resource_private )
1392         input_resource_Terminate( p_input->p->p_resource_private );
1393 }
1394
1395 /*****************************************************************************
1396  * Control
1397  *****************************************************************************/
1398 void input_ControlPush( input_thread_t *p_input,
1399                         int i_type, vlc_value_t *p_val )
1400 {
1401     vlc_mutex_lock( &p_input->p->lock_control );
1402     if( i_type == INPUT_CONTROL_SET_DIE )
1403     {
1404         /* Special case, empty the control */
1405         for( int i = 0; i < p_input->p->i_control; i++ )
1406         {
1407             input_control_t *p_ctrl = &p_input->p->control[i];
1408             ControlRelease( p_ctrl->i_type, p_ctrl->val );
1409         }
1410         p_input->p->i_control = 0;
1411     }
1412
1413     if( p_input->p->i_control >= INPUT_CONTROL_FIFO_SIZE )
1414     {
1415         msg_Err( p_input, "input control fifo overflow, trashing type=%d",
1416                  i_type );
1417         if( p_val )
1418             ControlRelease( i_type, *p_val );
1419     }
1420     else
1421     {
1422         input_control_t c;
1423         c.i_type = i_type;
1424         if( p_val )
1425             c.val = *p_val;
1426         else
1427             memset( &c.val, 0, sizeof(c.val) );
1428
1429         p_input->p->control[p_input->p->i_control++] = c;
1430     }
1431     vlc_cond_signal( &p_input->p->wait_control );
1432     vlc_mutex_unlock( &p_input->p->lock_control );
1433 }
1434
1435 static int ControlGetReducedIndexLocked( input_thread_t *p_input )
1436 {
1437     const int i_lt = p_input->p->control[0].i_type;
1438     int i;
1439     for( i = 1; i < p_input->p->i_control; i++ )
1440     {
1441         const int i_ct = p_input->p->control[i].i_type;
1442
1443         if( i_lt == i_ct &&
1444             ( i_ct == INPUT_CONTROL_SET_STATE ||
1445               i_ct == INPUT_CONTROL_SET_RATE ||
1446               i_ct == INPUT_CONTROL_SET_POSITION ||
1447               i_ct == INPUT_CONTROL_SET_TIME ||
1448               i_ct == INPUT_CONTROL_SET_PROGRAM ||
1449               i_ct == INPUT_CONTROL_SET_TITLE ||
1450               i_ct == INPUT_CONTROL_SET_SEEKPOINT ||
1451               i_ct == INPUT_CONTROL_SET_BOOKMARK ) )
1452         {
1453             continue;
1454         }
1455         else
1456         {
1457             /* TODO but that's not that important
1458                 - merge SET_X with SET_X_CMD
1459                 - ignore SET_SEEKPOINT/SET_POSITION/SET_TIME before a SET_TITLE
1460                 - ignore SET_SEEKPOINT/SET_POSITION/SET_TIME before another among them
1461                 - ?
1462                 */
1463             break;
1464         }
1465     }
1466     return i - 1;
1467 }
1468
1469
1470 static inline int ControlPop( input_thread_t *p_input,
1471                               int *pi_type, vlc_value_t *p_val,
1472                               mtime_t i_deadline, bool b_postpone_seek )
1473 {
1474     input_thread_private_t *p_sys = p_input->p;
1475
1476     vlc_mutex_lock( &p_sys->lock_control );
1477     while( p_sys->i_control <= 0 ||
1478            ( b_postpone_seek && ControlIsSeekRequest( p_sys->control[0].i_type ) ) )
1479     {
1480         if( !vlc_object_alive( p_input ) || i_deadline < 0 )
1481         {
1482             vlc_mutex_unlock( &p_sys->lock_control );
1483             return VLC_EGENERIC;
1484         }
1485
1486         if( vlc_cond_timedwait( &p_sys->wait_control, &p_sys->lock_control,
1487                                 i_deadline ) )
1488         {
1489             vlc_mutex_unlock( &p_sys->lock_control );
1490             return VLC_EGENERIC;
1491         }
1492     }
1493
1494     /* */
1495     const int i_index = ControlGetReducedIndexLocked( p_input );
1496
1497     /* */
1498     *pi_type = p_sys->control[i_index].i_type;
1499     *p_val   = p_sys->control[i_index].val;
1500
1501     p_sys->i_control -= i_index + 1;
1502     if( p_sys->i_control > 0 )
1503         memmove( &p_sys->control[0], &p_sys->control[i_index+1],
1504                  sizeof(*p_sys->control) * p_sys->i_control );
1505     vlc_mutex_unlock( &p_sys->lock_control );
1506
1507     return VLC_SUCCESS;
1508 }
1509 static bool ControlIsSeekRequest( int i_type )
1510 {
1511     switch( i_type )
1512     {
1513     case INPUT_CONTROL_SET_POSITION:
1514     case INPUT_CONTROL_SET_TIME:
1515     case INPUT_CONTROL_SET_TITLE:
1516     case INPUT_CONTROL_SET_TITLE_NEXT:
1517     case INPUT_CONTROL_SET_TITLE_PREV:
1518     case INPUT_CONTROL_SET_SEEKPOINT:
1519     case INPUT_CONTROL_SET_SEEKPOINT_NEXT:
1520     case INPUT_CONTROL_SET_SEEKPOINT_PREV:
1521     case INPUT_CONTROL_SET_BOOKMARK:
1522     case INPUT_CONTROL_NAV_ACTIVATE:
1523     case INPUT_CONTROL_NAV_UP:
1524     case INPUT_CONTROL_NAV_DOWN:
1525     case INPUT_CONTROL_NAV_LEFT:
1526     case INPUT_CONTROL_NAV_RIGHT:
1527         return true;
1528     default:
1529         return false;
1530     }
1531 }
1532
1533 static void ControlRelease( int i_type, vlc_value_t val )
1534 {
1535     switch( i_type )
1536     {
1537     case INPUT_CONTROL_ADD_SUBTITLE:
1538     case INPUT_CONTROL_ADD_SLAVE:
1539         free( val.psz_string );
1540         break;
1541
1542     default:
1543         break;
1544     }
1545 }
1546
1547 /* Pause input */
1548 static void ControlPause( input_thread_t *p_input, mtime_t i_control_date )
1549 {
1550     int i_ret = VLC_SUCCESS;
1551     int i_state = PAUSE_S;
1552
1553     if( p_input->p->b_can_pause )
1554     {
1555         demux_t *p_demux = p_input->p->input.p_demux;
1556
1557         if( p_demux->s != NULL )
1558             i_ret = stream_Control( p_demux->s, STREAM_SET_PAUSE_STATE, true );
1559         else
1560             i_ret = demux_Control( p_demux, DEMUX_SET_PAUSE_STATE, true );
1561
1562         if( i_ret )
1563         {
1564             msg_Warn( p_input, "cannot set pause state" );
1565             return;
1566         }
1567     }
1568
1569     /* */
1570     i_ret = es_out_SetPauseState( p_input->p->p_es_out,
1571                                   p_input->p->b_can_pause, true,
1572                                   i_control_date );
1573     if( i_ret )
1574     {
1575         msg_Warn( p_input, "cannot set pause state at es_out level" );
1576         return;
1577     }
1578
1579     /* Switch to new state */
1580     input_ChangeState( p_input, i_state );
1581 }
1582
1583 static void ControlUnpause( input_thread_t *p_input, mtime_t i_control_date )
1584 {
1585     int i_ret = VLC_SUCCESS;
1586
1587     if( p_input->p->b_can_pause )
1588     {
1589         demux_t *p_demux = p_input->p->input.p_demux;
1590
1591         if( p_demux->s != NULL )
1592             i_ret = stream_Control( p_demux->s, STREAM_SET_PAUSE_STATE, false );
1593         else
1594             i_ret = demux_Control( p_demux, DEMUX_SET_PAUSE_STATE, false );
1595         if( i_ret )
1596         {
1597             /* FIXME What to do ? */
1598             msg_Warn( p_input, "cannot unset pause -> EOF" );
1599             input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
1600         }
1601     }
1602
1603     /* Switch to play */
1604     input_ChangeState( p_input, PLAYING_S );
1605
1606     /* */
1607     if( !i_ret )
1608         es_out_SetPauseState( p_input->p->p_es_out, false, false, i_control_date );
1609 }
1610
1611 static bool Control( input_thread_t *p_input,
1612                      int i_type, vlc_value_t val )
1613 {
1614     const mtime_t i_control_date = mdate();
1615     /* FIXME b_force_update is abused, it should be carefully checked */
1616     bool b_force_update = false;
1617
1618     if( !p_input )
1619         return b_force_update;
1620
1621     switch( i_type )
1622     {
1623         case INPUT_CONTROL_SET_DIE:
1624             msg_Dbg( p_input, "control: stopping input" );
1625
1626             /* Mark all submodules to die */
1627             ObjectKillChildrens( VLC_OBJECT(p_input) );
1628             break;
1629
1630         case INPUT_CONTROL_SET_POSITION:
1631         {
1632             if( p_input->p->b_recording )
1633             {
1634                 msg_Err( p_input, "INPUT_CONTROL_SET_POSITION(_OFFSET) ignored while recording" );
1635                 break;
1636             }
1637
1638             float f_pos = val.f_float;
1639             if( f_pos < 0.f )
1640                 f_pos = 0.f;
1641             else if( f_pos > 1.f )
1642                 f_pos = 1.f;
1643             /* Reset the decoders states and clock sync (before calling the demuxer */
1644             es_out_SetTime( p_input->p->p_es_out, -1 );
1645             if( demux_Control( p_input->p->input.p_demux, DEMUX_SET_POSITION,
1646                                (double) f_pos, !p_input->p->b_fast_seek ) )
1647             {
1648                 msg_Err( p_input, "INPUT_CONTROL_SET_POSITION(_OFFSET) "
1649                          "%2.1f%% failed", (double)(f_pos * 100.f) );
1650             }
1651             else
1652             {
1653                 if( p_input->p->i_slave > 0 )
1654                     SlaveSeek( p_input );
1655                 p_input->p->input.b_eof = false;
1656
1657                 b_force_update = true;
1658             }
1659             break;
1660         }
1661
1662         case INPUT_CONTROL_SET_TIME:
1663         {
1664             int64_t i_time;
1665             int i_ret;
1666
1667             if( p_input->p->b_recording )
1668             {
1669                 msg_Err( p_input, "INPUT_CONTROL_SET_TIME(_OFFSET) ignored while recording" );
1670                 break;
1671             }
1672
1673             i_time = val.i_time;
1674             if( i_time < 0 )
1675                 i_time = 0;
1676
1677             /* Reset the decoders states and clock sync (before calling the demuxer */
1678             es_out_SetTime( p_input->p->p_es_out, -1 );
1679
1680             i_ret = demux_Control( p_input->p->input.p_demux,
1681                                    DEMUX_SET_TIME, i_time,
1682                                    !p_input->p->b_fast_seek );
1683             if( i_ret )
1684             {
1685                 int64_t i_length;
1686
1687                 /* Emulate it with a SET_POS */
1688                 if( !demux_Control( p_input->p->input.p_demux,
1689                                     DEMUX_GET_LENGTH, &i_length ) && i_length > 0 )
1690                 {
1691                     double f_pos = (double)i_time / (double)i_length;
1692                     i_ret = demux_Control( p_input->p->input.p_demux,
1693                                             DEMUX_SET_POSITION, f_pos,
1694                                             !p_input->p->b_fast_seek );
1695                 }
1696             }
1697             if( i_ret )
1698             {
1699                 msg_Warn( p_input, "INPUT_CONTROL_SET_TIME(_OFFSET) %"PRId64
1700                          " failed or not possible", i_time );
1701             }
1702             else
1703             {
1704                 if( p_input->p->i_slave > 0 )
1705                     SlaveSeek( p_input );
1706                 p_input->p->input.b_eof = false;
1707
1708                 b_force_update = true;
1709             }
1710             break;
1711         }
1712
1713         case INPUT_CONTROL_SET_STATE:
1714             if( val.i_int != PLAYING_S && val.i_int != PAUSE_S )
1715                 msg_Err( p_input, "invalid state in INPUT_CONTROL_SET_STATE" );
1716             else if( p_input->p->i_state == PAUSE_S )
1717             {
1718                 ControlUnpause( p_input, i_control_date );
1719
1720                 b_force_update = true;
1721             }
1722             else if( val.i_int == PAUSE_S && p_input->p->i_state == PLAYING_S /* &&
1723                      p_input->p->b_can_pause */ )
1724             {
1725                 ControlPause( p_input, i_control_date );
1726
1727                 b_force_update = true;
1728             }
1729             else if( val.i_int == PAUSE_S && !p_input->p->b_can_pause && 0 )
1730             {
1731                 b_force_update = true;
1732
1733                 /* Correct "state" value */
1734                 input_ChangeState( p_input, p_input->p->i_state );
1735             }
1736             break;
1737
1738         case INPUT_CONTROL_SET_RATE:
1739         {
1740             /* Get rate and direction */
1741             int i_rate = abs( val.i_int );
1742             int i_rate_sign = val.i_int < 0 ? -1 : 1;
1743
1744             /* Check rate bound */
1745             if( i_rate < INPUT_RATE_MIN )
1746             {
1747                 msg_Dbg( p_input, "cannot set rate faster" );
1748                 i_rate = INPUT_RATE_MIN;
1749             }
1750             else if( i_rate > INPUT_RATE_MAX )
1751             {
1752                 msg_Dbg( p_input, "cannot set rate slower" );
1753                 i_rate = INPUT_RATE_MAX;
1754             }
1755
1756             /* Apply direction */
1757             if( i_rate_sign < 0 )
1758             {
1759                 if( p_input->p->input.b_rescale_ts )
1760                 {
1761                     msg_Dbg( p_input, "cannot set negative rate" );
1762                     i_rate = p_input->p->i_rate;
1763                     assert( i_rate > 0 );
1764                 }
1765                 else
1766                 {
1767                     i_rate *= i_rate_sign;
1768                 }
1769             }
1770
1771             if( i_rate != INPUT_RATE_DEFAULT &&
1772                 ( ( !p_input->p->b_can_rate_control && !p_input->p->input.b_rescale_ts ) ||
1773                   ( p_input->p->p_sout && !p_input->p->b_out_pace_control ) ) )
1774             {
1775                 msg_Dbg( p_input, "cannot change rate" );
1776                 i_rate = INPUT_RATE_DEFAULT;
1777             }
1778             if( i_rate != p_input->p->i_rate &&
1779                 !p_input->p->b_can_pace_control && p_input->p->b_can_rate_control )
1780             {
1781                 demux_t *p_demux = p_input->p->input.p_demux;
1782                 int i_ret = VLC_EGENERIC;
1783
1784                 if( p_demux->s == NULL )
1785                 {
1786                     if( !p_input->p->input.b_rescale_ts )
1787                         es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1788
1789                     i_ret = demux_Control( p_input->p->input.p_demux,
1790                                             DEMUX_SET_RATE, &i_rate );
1791                 }
1792                 if( i_ret )
1793                 {
1794                     msg_Warn( p_input, "ACCESS/DEMUX_SET_RATE failed" );
1795                     i_rate = p_input->p->i_rate;
1796                 }
1797             }
1798
1799             /* */
1800             if( i_rate != p_input->p->i_rate )
1801             {
1802                 p_input->p->i_rate = i_rate;
1803                 input_SendEventRate( p_input, i_rate );
1804
1805                 if( p_input->p->input.b_rescale_ts )
1806                 {
1807                     const int i_rate_source = (p_input->p->b_can_pace_control || p_input->p->b_can_rate_control ) ? i_rate : INPUT_RATE_DEFAULT;
1808                     es_out_SetRate( p_input->p->p_es_out, i_rate_source, i_rate );
1809                 }
1810
1811                 b_force_update = true;
1812             }
1813             break;
1814         }
1815
1816         case INPUT_CONTROL_SET_PROGRAM:
1817             /* No need to force update, es_out does it if needed */
1818             es_out_Control( p_input->p->p_es_out,
1819                             ES_OUT_SET_GROUP, val.i_int );
1820
1821             demux_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, val.i_int,
1822                             NULL );
1823             break;
1824
1825         case INPUT_CONTROL_SET_ES:
1826             /* No need to force update, es_out does it if needed */
1827             es_out_Control( p_input->p->p_es_out_display,
1828                             ES_OUT_SET_ES_BY_ID, (int)val.i_int );
1829
1830             demux_Control( p_input->p->input.p_demux, DEMUX_SET_ES, (int)val.i_int );
1831             break;
1832
1833         case INPUT_CONTROL_RESTART_ES:
1834             es_out_Control( p_input->p->p_es_out_display,
1835                             ES_OUT_RESTART_ES_BY_ID, (int)val.i_int );
1836             break;
1837
1838         case INPUT_CONTROL_SET_AUDIO_DELAY:
1839             input_SendEventAudioDelay( p_input, val.i_time );
1840             UpdatePtsDelay( p_input );
1841             break;
1842
1843         case INPUT_CONTROL_SET_SPU_DELAY:
1844             input_SendEventSubtitleDelay( p_input, val.i_time );
1845             UpdatePtsDelay( p_input );
1846             break;
1847
1848         case INPUT_CONTROL_SET_TITLE:
1849         case INPUT_CONTROL_SET_TITLE_NEXT:
1850         case INPUT_CONTROL_SET_TITLE_PREV:
1851         {
1852             if( p_input->p->b_recording )
1853             {
1854                 msg_Err( p_input, "INPUT_CONTROL_SET_TITLE(*) ignored while recording" );
1855                 break;
1856             }
1857             if( p_input->p->input.i_title <= 0 )
1858                 break;
1859
1860             int i_title = p_input->p->input.p_demux->info.i_title;
1861             if( i_type == INPUT_CONTROL_SET_TITLE_PREV )
1862                 i_title--;
1863             else if( i_type == INPUT_CONTROL_SET_TITLE_NEXT )
1864                 i_title++;
1865             else
1866                 i_title = val.i_int;
1867             if( i_title < 0 || i_title >= p_input->p->input.i_title )
1868                 break;
1869
1870             es_out_SetTime( p_input->p->p_es_out, -1 );
1871             demux_Control( p_input->p->input.p_demux,
1872                            DEMUX_SET_TITLE, i_title );
1873             input_SendEventTitle( p_input, i_title );
1874             break;
1875         }
1876         case INPUT_CONTROL_SET_SEEKPOINT:
1877         case INPUT_CONTROL_SET_SEEKPOINT_NEXT:
1878         case INPUT_CONTROL_SET_SEEKPOINT_PREV:
1879         {
1880             if( p_input->p->b_recording )
1881             {
1882                 msg_Err( p_input, "INPUT_CONTROL_SET_SEEKPOINT(*) ignored while recording" );
1883                 break;
1884             }
1885             if( p_input->p->input.i_title <= 0 )
1886                 break;
1887
1888             demux_t *p_demux = p_input->p->input.p_demux;
1889
1890             int i_title = p_demux->info.i_title;
1891             int i_seekpoint = p_demux->info.i_seekpoint;
1892
1893             if( i_type == INPUT_CONTROL_SET_SEEKPOINT_PREV )
1894             {
1895                 int64_t i_seekpoint_time = p_input->p->input.title[i_title]->seekpoint[i_seekpoint]->i_time_offset;
1896                 int64_t i_input_time = var_GetTime( p_input, "time" );
1897                 if( i_seekpoint_time >= 0 && i_input_time >= 0 )
1898                 {
1899                     if( i_input_time < i_seekpoint_time + 3000000 )
1900                         i_seekpoint--;
1901                 }
1902                 else
1903                     i_seekpoint--;
1904             }
1905             else if( i_type == INPUT_CONTROL_SET_SEEKPOINT_NEXT )
1906                 i_seekpoint++;
1907             else
1908                 i_seekpoint = val.i_int;
1909             if( i_seekpoint < 0
1910              || i_seekpoint >= p_input->p->input.title[i_title]->i_seekpoint )
1911                 break;
1912
1913             es_out_SetTime( p_input->p->p_es_out, -1 );
1914             demux_Control( p_input->p->input.p_demux,
1915                            DEMUX_SET_SEEKPOINT, i_seekpoint );
1916             input_SendEventSeekpoint( p_input, i_title, i_seekpoint );
1917             break;
1918         }
1919
1920         case INPUT_CONTROL_ADD_SUBTITLE:
1921             if( val.psz_string )
1922                 input_SubtitleFileAdd( p_input, val.psz_string, true );
1923             break;
1924
1925         case INPUT_CONTROL_ADD_SLAVE:
1926             if( val.psz_string )
1927             {
1928                 const char *uri = val.psz_string;
1929                 input_source_t *slave = InputSourceNew( p_input );
1930
1931                 if( slave && !InputSourceInit( p_input, slave, uri, NULL, false ) )
1932                 {
1933                     int64_t i_time;
1934
1935                     /* Add the slave */
1936                     msg_Dbg( p_input, "adding %s as slave on the fly", uri );
1937
1938                     /* Set position */
1939                     if( demux_Control( p_input->p->input.p_demux,
1940                                         DEMUX_GET_TIME, &i_time ) )
1941                     {
1942                         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
1943                         InputSourceClean( slave );
1944                         free( slave );
1945                         break;
1946                     }
1947                     if( demux_Control( slave->p_demux,
1948                                        DEMUX_SET_TIME, i_time, true ) )
1949                     {
1950                         msg_Err( p_input, "seek failed for new slave" );
1951                         InputSourceClean( slave );
1952                         free( slave );
1953                         break;
1954                     }
1955
1956                     /* Get meta (access and demux) */
1957                     InputUpdateMeta( p_input, slave->p_demux );
1958
1959                     TAB_APPEND( p_input->p->i_slave, p_input->p->slave, slave );
1960                 }
1961                 else
1962                 {
1963                     free( slave );
1964                     msg_Warn( p_input, "failed to add %s as slave", uri );
1965                 }
1966             }
1967             break;
1968
1969         case INPUT_CONTROL_SET_RECORD_STATE:
1970             if( !!p_input->p->b_recording != !!val.b_bool )
1971             {
1972                 if( p_input->p->input.b_can_stream_record )
1973                 {
1974                     if( demux_Control( p_input->p->input.p_demux,
1975                                        DEMUX_SET_RECORD_STATE, val.b_bool ) )
1976                         val.b_bool = false;
1977                 }
1978                 else
1979                 {
1980                     if( es_out_SetRecordState( p_input->p->p_es_out_display, val.b_bool ) )
1981                         val.b_bool = false;
1982                 }
1983                 p_input->p->b_recording = val.b_bool;
1984
1985                 input_SendEventRecord( p_input, val.b_bool );
1986
1987                 b_force_update = true;
1988             }
1989             break;
1990
1991         case INPUT_CONTROL_SET_FRAME_NEXT:
1992             if( p_input->p->i_state == PAUSE_S )
1993             {
1994                 es_out_SetFrameNext( p_input->p->p_es_out );
1995             }
1996             else if( p_input->p->i_state == PLAYING_S )
1997             {
1998                 ControlPause( p_input, i_control_date );
1999             }
2000             else
2001             {
2002                 msg_Err( p_input, "invalid state for frame next" );
2003             }
2004             b_force_update = true;
2005             break;
2006
2007         case INPUT_CONTROL_SET_BOOKMARK:
2008         {
2009             mtime_t time_offset = -1;
2010
2011             vlc_mutex_lock( &p_input->p->p_item->lock );
2012             if( val.i_int >= 0 && val.i_int < p_input->p->i_bookmark )
2013             {
2014                 const seekpoint_t *p_bookmark = p_input->p->pp_bookmark[val.i_int];
2015                 time_offset = p_bookmark->i_time_offset;
2016             }
2017             vlc_mutex_unlock( &p_input->p->p_item->lock );
2018
2019             if( time_offset < 0 )
2020             {
2021                 msg_Err( p_input, "invalid bookmark %"PRId64, val.i_int );
2022                 break;
2023             }
2024
2025             val.i_time = time_offset;
2026             b_force_update = Control( p_input, INPUT_CONTROL_SET_TIME, val );
2027             break;
2028         }
2029
2030         case INPUT_CONTROL_NAV_ACTIVATE:
2031         case INPUT_CONTROL_NAV_UP:
2032         case INPUT_CONTROL_NAV_DOWN:
2033         case INPUT_CONTROL_NAV_LEFT:
2034         case INPUT_CONTROL_NAV_RIGHT:
2035             demux_Control( p_input->p->input.p_demux, i_type
2036                            - INPUT_CONTROL_NAV_ACTIVATE + DEMUX_NAV_ACTIVATE );
2037             break;
2038
2039         default:
2040             msg_Err( p_input, "not yet implemented" );
2041             break;
2042     }
2043
2044     ControlRelease( i_type, val );
2045     return b_force_update;
2046 }
2047
2048 /*****************************************************************************
2049  * UpdateTitleSeekpoint
2050  *****************************************************************************/
2051 static int UpdateTitleSeekpoint( input_thread_t *p_input,
2052                                  int i_title, int i_seekpoint )
2053 {
2054     int i_title_end = p_input->p->input.i_title_end -
2055                         p_input->p->input.i_title_offset;
2056     int i_seekpoint_end = p_input->p->input.i_seekpoint_end -
2057                             p_input->p->input.i_seekpoint_offset;
2058
2059     if( i_title_end >= 0 && i_seekpoint_end >= 0 )
2060     {
2061         if( i_title > i_title_end ||
2062             ( i_title == i_title_end && i_seekpoint > i_seekpoint_end ) )
2063             return 0;
2064     }
2065     else if( i_seekpoint_end >= 0 )
2066     {
2067         if( i_seekpoint > i_seekpoint_end )
2068             return 0;
2069     }
2070     else if( i_title_end >= 0 )
2071     {
2072         if( i_title > i_title_end )
2073             return 0;
2074     }
2075     return 1;
2076 }
2077 /*****************************************************************************
2078  * Update*FromDemux:
2079  *****************************************************************************/
2080 static int UpdateTitleSeekpointFromDemux( input_thread_t *p_input )
2081 {
2082     demux_t *p_demux = p_input->p->input.p_demux;
2083
2084     /* TODO event-like */
2085     if( p_demux->info.i_update & INPUT_UPDATE_TITLE )
2086     {
2087         input_SendEventTitle( p_input, p_demux->info.i_title );
2088
2089         p_demux->info.i_update &= ~INPUT_UPDATE_TITLE;
2090     }
2091     if( p_demux->info.i_update & INPUT_UPDATE_SEEKPOINT )
2092     {
2093         input_SendEventSeekpoint( p_input,
2094                                   p_demux->info.i_title, p_demux->info.i_seekpoint );
2095
2096         p_demux->info.i_update &= ~INPUT_UPDATE_SEEKPOINT;
2097     }
2098
2099     /* Hmmm only works with master input */
2100     if( p_input->p->input.p_demux == p_demux )
2101         return UpdateTitleSeekpoint( p_input,
2102                                      p_demux->info.i_title,
2103                                      p_demux->info.i_seekpoint );
2104     return 1;
2105 }
2106
2107 static void UpdateGenericFromDemux( input_thread_t *p_input )
2108 {
2109     demux_t *p_demux = p_input->p->input.p_demux;
2110
2111     if( p_demux->info.i_update & INPUT_UPDATE_META )
2112     {
2113         InputUpdateMeta( p_input, p_demux );
2114         p_demux->info.i_update &= ~INPUT_UPDATE_META;
2115     }
2116     {
2117         double quality;
2118         double strength;
2119
2120         if( !demux_Control( p_demux, DEMUX_GET_SIGNAL, &quality, &strength ) )
2121             input_SendEventSignal( p_input, quality, strength );
2122     }
2123 }
2124
2125 static void UpdateTitleListfromDemux( input_thread_t *p_input )
2126 {
2127     input_source_t *in = &p_input->p->input;
2128
2129     /* Delete the preexisting titles */
2130     if( in->i_title > 0 )
2131     {
2132         for( int i = 0; i < in->i_title; i++ )
2133             vlc_input_title_Delete( in->title[i] );
2134         TAB_CLEAN( in->i_title, in->title );
2135         in->b_title_demux = false;
2136     }
2137
2138     /* Get the new title list */
2139     if( demux_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
2140                        &in->title, &in->i_title,
2141                        &in->i_title_offset, &in->i_seekpoint_offset ) )
2142         TAB_INIT( in->i_title, in->title );
2143     else
2144         in->b_title_demux = true;
2145
2146     InitTitle( p_input );
2147 }
2148
2149
2150 /*****************************************************************************
2151  * InputSourceNew:
2152  *****************************************************************************/
2153 static input_source_t *InputSourceNew( input_thread_t *p_input )
2154 {
2155     VLC_UNUSED(p_input);
2156
2157     return calloc( 1,  sizeof( input_source_t ) );
2158 }
2159
2160 /*****************************************************************************
2161  * InputSourceInit:
2162  *****************************************************************************/
2163 static int InputSourceInit( input_thread_t *p_input,
2164                             input_source_t *in, const char *psz_mrl,
2165                             const char *psz_forced_demux, bool b_in_can_fail )
2166 {
2167     const char *psz_access, *psz_demux, *psz_path, *psz_anchor = NULL;
2168     char *psz_var_demux = NULL;
2169     double f_fps;
2170
2171     assert( psz_mrl );
2172     char *psz_dup = strdup( psz_mrl );
2173
2174     if( psz_dup == NULL )
2175         goto error;
2176
2177     /* Split uri */
2178     input_SplitMRL( &psz_access, &psz_demux, &psz_path, &psz_anchor, psz_dup );
2179
2180     msg_Dbg( p_input, "`%s' gives access `%s' demux `%s' path `%s'",
2181              psz_mrl, psz_access, psz_demux, psz_path );
2182     if( !p_input->b_preparsing )
2183     {
2184         /* Find optional titles and seekpoints */
2185         MRLSections( psz_anchor, &in->i_title_start, &in->i_title_end,
2186                      &in->i_seekpoint_start, &in->i_seekpoint_end );
2187         if( psz_forced_demux && *psz_forced_demux )
2188         {
2189             psz_demux = psz_forced_demux;
2190         }
2191         else if( *psz_demux == '\0' )
2192         {
2193             /* special hack for forcing a demuxer with --demux=module
2194              * (and do nothing with a list) */
2195             psz_var_demux = var_GetNonEmptyString( p_input, "demux" );
2196             psz_demux = psz_var_demux;
2197             msg_Dbg( p_input, "specified demux `%s'", psz_demux );
2198         }
2199
2200         /* Try access_demux first */
2201         in->p_demux = demux_New( p_input, p_input, psz_access, psz_demux,
2202                                  psz_path, NULL, p_input->p->p_es_out, false );
2203     }
2204     else
2205     {
2206         if( *psz_demux )
2207             goto error;
2208         msg_Dbg( p_input, "trying to pre-parse %s",  psz_path );
2209     }
2210
2211     mtime_t i_pts_delay;
2212
2213     if( in->p_demux )
2214     {
2215         /* Get infos from access_demux */
2216         in->b_title_demux = true;
2217         if( demux_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
2218                             &in->title, &in->i_title,
2219                             &in->i_title_offset, &in->i_seekpoint_offset ) )
2220         {
2221             TAB_INIT( in->i_title, in->title );
2222         }
2223         if( demux_Control( in->p_demux, DEMUX_CAN_CONTROL_PACE,
2224                             &in->b_can_pace_control ) )
2225             in->b_can_pace_control = false;
2226
2227         assert( in->p_demux->pf_demux != NULL || !in->b_can_pace_control );
2228
2229         if( !in->b_can_pace_control )
2230         {
2231             if( demux_Control( in->p_demux, DEMUX_CAN_CONTROL_RATE,
2232                                 &in->b_can_rate_control, &in->b_rescale_ts ) )
2233             {
2234                 in->b_can_rate_control = false;
2235                 in->b_rescale_ts = true; /* not used */
2236             }
2237         }
2238         else
2239         {
2240             in->b_can_rate_control = true;
2241             in->b_rescale_ts = true;
2242         }
2243         if( demux_Control( in->p_demux, DEMUX_CAN_PAUSE,
2244                             &in->b_can_pause ) )
2245             in->b_can_pause = false;
2246         var_SetBool( p_input, "can-pause", in->b_can_pause || !in->b_can_pace_control ); /* XXX temporary because of es_out_timeshift*/
2247         var_SetBool( p_input, "can-rate", !in->b_can_pace_control || in->b_can_rate_control ); /* XXX temporary because of es_out_timeshift*/
2248         var_SetBool( p_input, "can-rewind", !in->b_rescale_ts && !in->b_can_pace_control && in->b_can_rate_control );
2249
2250         bool b_can_seek;
2251         if( demux_Control( in->p_demux, DEMUX_CAN_SEEK, &b_can_seek ) )
2252             b_can_seek = false;
2253         var_SetBool( p_input, "can-seek", b_can_seek );
2254     }
2255     else
2256     {   /* Now try a real access */
2257         access_t *p_access = access_New( p_input, p_input,
2258                                          psz_access, psz_demux, psz_path );
2259         if( p_access == NULL )
2260         {
2261             if( vlc_object_alive( p_input ) )
2262             {
2263                 msg_Err( p_input, "open of `%s' failed", psz_mrl );
2264                 if( !b_in_can_fail )
2265                     dialog_Fatal( p_input, _("Your input can't be opened"),
2266                                    _("VLC is unable to open the MRL '%s'."
2267                                      " Check the log for details."), psz_mrl );
2268             }
2269             goto error;
2270         }
2271
2272         /* Access-forced demuxer (PARENTAL ADVISORY: EXPLICIT HACK) */
2273         if( !psz_demux[0] || !strcasecmp( psz_demux, "any" ) )
2274             psz_demux = p_access->psz_demux;
2275
2276         /* */
2277         int  i_input_list;
2278         char **ppsz_input_list;
2279
2280         TAB_INIT( i_input_list, ppsz_input_list );
2281
2282         /* On master stream only, use input-list */
2283         if( &p_input->p->input == in )
2284         {
2285             char *psz_list;
2286             char *psz_parser;
2287
2288             psz_list =
2289             psz_parser = var_CreateGetNonEmptyString( p_input, "input-list" );
2290
2291             while( psz_parser && *psz_parser )
2292             {
2293                 char *p = strchr( psz_parser, ',' );
2294                 if( p )
2295                     *p++ = '\0';
2296
2297                 if( *psz_parser )
2298                 {
2299                     char *psz_name = strdup( psz_parser );
2300                     if( psz_name )
2301                         TAB_APPEND( i_input_list, ppsz_input_list, psz_name );
2302                 }
2303
2304                 psz_parser = p;
2305             }
2306             free( psz_list );
2307         }
2308         /* Autodetect extra files if none specified */
2309         if( i_input_list <= 0 )
2310         {
2311             InputGetExtraFiles( p_input, &i_input_list, &ppsz_input_list,
2312                                 psz_access, psz_path );
2313         }
2314         if( i_input_list > 0 )
2315             TAB_APPEND( i_input_list, ppsz_input_list, NULL );
2316
2317         /* Create the stream_t */
2318         stream_t *p_stream = stream_AccessNew( p_access, ppsz_input_list );
2319         if( ppsz_input_list )
2320         {
2321             for( int i = 0; ppsz_input_list[i] != NULL; i++ )
2322                 free( ppsz_input_list[i] );
2323             TAB_CLEAN( i_input_list, ppsz_input_list );
2324         }
2325
2326         if( p_stream == NULL )
2327         {
2328             msg_Warn( p_input, "cannot create a stream_t from access" );
2329             goto error;
2330         }
2331
2332         /* Add stream filters */
2333         char *psz_stream_filter = var_GetNonEmptyString( p_input,
2334                                                          "stream-filter" );
2335         p_stream = stream_FilterChainNew( p_stream, psz_stream_filter,
2336                                var_GetBool( p_input, "input-record-native" ) );
2337         free( psz_stream_filter );
2338
2339         if( !p_input->b_preparsing )
2340         {
2341             bool b;
2342
2343             stream_Control( p_stream, STREAM_CAN_CONTROL_PACE,
2344                             &in->b_can_pace_control );
2345             in->b_can_rate_control = in->b_can_pace_control;
2346             in->b_rescale_ts = true;
2347
2348             stream_Control( p_stream, STREAM_CAN_PAUSE, &in->b_can_pause );
2349             var_SetBool( p_input, "can-pause",
2350                          in->b_can_pause || !in->b_can_pace_control ); /* XXX temporary because of es_out_timeshift*/
2351             var_SetBool( p_input, "can-rate",
2352                          !in->b_can_pace_control || in->b_can_rate_control ); /* XXX temporary because of es_out_timeshift*/
2353             var_SetBool( p_input, "can-rewind",
2354                          !in->b_rescale_ts && !in->b_can_pace_control );
2355
2356             stream_Control( p_stream, STREAM_CAN_SEEK, &b );
2357             var_SetBool( p_input, "can-seek", b );
2358
2359             in->b_title_demux = false;
2360
2361             stream_Control( p_stream, STREAM_GET_PTS_DELAY, &i_pts_delay );
2362         }
2363
2364         in->p_demux = demux_New( p_input, p_input, psz_access, psz_demux,
2365                    /* Take access/stream redirections into account: */
2366                             p_stream->psz_path ? p_stream->psz_path : psz_path,
2367                                  p_stream, p_input->p->p_es_out,
2368                                  p_input->b_preparsing );
2369
2370         if( in->p_demux == NULL )
2371         {
2372             if( vlc_object_alive( p_input ) )
2373             {
2374                 msg_Err( p_input, "no suitable demux module for `%s/%s://%s'",
2375                          psz_access, psz_demux, psz_path );
2376                 if( !b_in_can_fail )
2377                     dialog_Fatal( VLC_OBJECT( p_input ),
2378                                   _("VLC can't recognize the input's format"),
2379                                   _("The format of '%s' cannot be detected. "
2380                                     "Have a look at the log for details."), psz_mrl );
2381             }
2382             stream_Delete( p_stream );
2383             goto error;
2384         }
2385         assert( in->p_demux->pf_demux != NULL );
2386
2387         /* Get title from demux */
2388         if( !p_input->b_preparsing && in->i_title <= 0 )
2389         {
2390             if( demux_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
2391                                 &in->title, &in->i_title,
2392                                 &in->i_title_offset, &in->i_seekpoint_offset ))
2393             {
2394                 TAB_INIT( in->i_title, in->title );
2395             }
2396             else
2397             {
2398                 in->b_title_demux = true;
2399             }
2400         }
2401     }
2402
2403     free( psz_var_demux );
2404     free( psz_dup );
2405
2406     /* Set record capabilities */
2407     if( demux_Control( in->p_demux, DEMUX_CAN_RECORD, &in->b_can_stream_record ) )
2408         in->b_can_stream_record = false;
2409 #ifdef ENABLE_SOUT
2410     if( !var_GetBool( p_input, "input-record-native" ) )
2411         in->b_can_stream_record = false;
2412     var_SetBool( p_input, "can-record", true );
2413 #else
2414     var_SetBool( p_input, "can-record", in->b_can_stream_record );
2415 #endif
2416
2417     /* get attachment
2418      * FIXME improve for b_preparsing: move it after GET_META and check psz_arturl */
2419     if( !p_input->b_preparsing )
2420     {
2421         int i_attachment;
2422         input_attachment_t **attachment;
2423         if( !demux_Control( in->p_demux, DEMUX_GET_ATTACHMENTS,
2424                              &attachment, &i_attachment ) )
2425         {
2426             vlc_mutex_lock( &p_input->p->p_item->lock );
2427             AppendAttachment( &p_input->p->i_attachment, &p_input->p->attachment, &p_input->p->attachment_demux,
2428                               i_attachment, attachment, in->p_demux );
2429             vlc_mutex_unlock( &p_input->p->p_item->lock );
2430         }
2431
2432         /* PTS delay: request from demux first. This is required for
2433          * access_demux and some special cases like SDP demux. Otherwise,
2434          * fallback to access */
2435         if( demux_Control( in->p_demux, DEMUX_GET_PTS_DELAY,
2436                            &in->i_pts_delay ) )
2437             in->i_pts_delay = i_pts_delay;
2438         if( in->i_pts_delay > INPUT_PTS_DELAY_MAX )
2439             in->i_pts_delay = INPUT_PTS_DELAY_MAX;
2440         else if( in->i_pts_delay < 0 )
2441             in->i_pts_delay = 0;
2442     }
2443
2444     if( !demux_Control( in->p_demux, DEMUX_GET_FPS, &f_fps ) && f_fps > 0.0 )
2445     {
2446         vlc_mutex_lock( &p_input->p->p_item->lock );
2447         p_input->p->f_fps = f_fps;
2448         vlc_mutex_unlock( &p_input->p->p_item->lock );
2449     }
2450
2451     if( var_GetInteger( p_input, "clock-synchro" ) != -1 )
2452         in->b_can_pace_control = !var_GetInteger( p_input, "clock-synchro" );
2453
2454     return VLC_SUCCESS;
2455
2456 error:
2457     if( in->p_demux )
2458         demux_Delete( in->p_demux );
2459
2460     free( psz_var_demux );
2461     free( psz_dup );
2462
2463     return VLC_EGENERIC;
2464 }
2465
2466 /*****************************************************************************
2467  * InputSourceClean:
2468  *****************************************************************************/
2469 static void InputSourceClean( input_source_t *in )
2470 {
2471     int i;
2472
2473     if( in->p_demux )
2474         demux_Delete( in->p_demux );
2475
2476     if( in->i_title > 0 )
2477     {
2478         for( i = 0; i < in->i_title; i++ )
2479             vlc_input_title_Delete( in->title[i] );
2480         TAB_CLEAN( in->i_title, in->title );
2481     }
2482 }
2483
2484 /*****************************************************************************
2485  * InputSourceMeta:
2486  *****************************************************************************/
2487 static void InputSourceMeta( input_thread_t *p_input,
2488                              input_source_t *p_source, vlc_meta_t *p_meta )
2489 {
2490     demux_t *p_demux = p_source->p_demux;
2491
2492     /* XXX Remember that checking against p_item->p_meta->i_status & ITEM_PREPARSED
2493      * is a bad idea */
2494
2495     bool has_meta = false;
2496
2497     /* Read demux meta */
2498     if( !demux_Control( p_demux, DEMUX_GET_META, p_meta ) )
2499         has_meta = true;
2500
2501     bool has_unsupported;
2502     if( demux_Control( p_demux, DEMUX_HAS_UNSUPPORTED_META, &has_unsupported ) )
2503         has_unsupported = true;
2504
2505     /* If the demux report unsupported meta data, or if we don't have meta data
2506      * try an external "meta reader" */
2507     if( has_meta && !has_unsupported )
2508         return;
2509
2510     demux_meta_t *p_demux_meta =
2511         vlc_custom_create( p_demux, sizeof( *p_demux_meta ), "demux meta" );
2512     if( !p_demux_meta )
2513         return;
2514     p_demux_meta->p_demux = p_demux;
2515     p_demux_meta->p_item = p_input->p->p_item;
2516
2517     module_t *p_id3 = module_need( p_demux_meta, "meta reader", NULL, false );
2518     if( p_id3 )
2519     {
2520         if( p_demux_meta->p_meta )
2521         {
2522             vlc_meta_Merge( p_meta, p_demux_meta->p_meta );
2523             vlc_meta_Delete( p_demux_meta->p_meta );
2524         }
2525
2526         if( p_demux_meta->i_attachments > 0 )
2527         {
2528             vlc_mutex_lock( &p_input->p->p_item->lock );
2529             AppendAttachment( &p_input->p->i_attachment, &p_input->p->attachment, &p_input->p->attachment_demux,
2530                               p_demux_meta->i_attachments, p_demux_meta->attachments, p_demux);
2531             vlc_mutex_unlock( &p_input->p->p_item->lock );
2532         }
2533         module_unneed( p_demux, p_id3 );
2534     }
2535     vlc_object_release( p_demux_meta );
2536 }
2537
2538
2539 static void SlaveDemux( input_thread_t *p_input, bool *pb_demux_polled )
2540 {
2541     int64_t i_time;
2542     int i;
2543
2544     *pb_demux_polled = false;
2545     if( demux_Control( p_input->p->input.p_demux, DEMUX_GET_TIME, &i_time ) )
2546     {
2547         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
2548         return;
2549     }
2550
2551     for( i = 0; i < p_input->p->i_slave; i++ )
2552     {
2553         input_source_t *in = p_input->p->slave[i];
2554         int i_ret;
2555
2556         if( in->b_eof )
2557             continue;
2558
2559         const bool b_demux_polled = in->p_demux->pf_demux != NULL;
2560         if( !b_demux_polled )
2561             continue;
2562
2563         *pb_demux_polled = true;
2564
2565         /* Call demux_Demux until we have read enough data */
2566         if( demux_Control( in->p_demux, DEMUX_SET_NEXT_DEMUX_TIME, i_time ) )
2567         {
2568             for( ;; )
2569             {
2570                 int64_t i_stime;
2571                 if( demux_Control( in->p_demux, DEMUX_GET_TIME, &i_stime ) )
2572                 {
2573                     msg_Err( p_input, "slave[%d] doesn't like "
2574                              "DEMUX_GET_TIME -> EOF", i );
2575                     i_ret = 0;
2576                     break;
2577                 }
2578
2579                 if( i_stime >= i_time )
2580                 {
2581                     i_ret = 1;
2582                     break;
2583                 }
2584
2585                 if( ( i_ret = demux_Demux( in->p_demux ) ) <= 0 )
2586                     break;
2587             }
2588         }
2589         else
2590         {
2591             i_ret = demux_Demux( in->p_demux );
2592         }
2593
2594         if( i_ret <= 0 )
2595         {
2596             msg_Dbg( p_input, "slave %d EOF", i );
2597             in->b_eof = true;
2598         }
2599     }
2600 }
2601
2602 static void SlaveSeek( input_thread_t *p_input )
2603 {
2604     int64_t i_time;
2605     int i;
2606
2607     if( demux_Control( p_input->p->input.p_demux, DEMUX_GET_TIME, &i_time ) )
2608     {
2609         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
2610         return;
2611     }
2612
2613     for( i = 0; i < p_input->p->i_slave; i++ )
2614     {
2615         input_source_t *in = p_input->p->slave[i];
2616
2617         if( demux_Control( in->p_demux, DEMUX_SET_TIME, i_time, true ) )
2618         {
2619             if( !in->b_eof )
2620                 msg_Err( p_input, "seek failed for slave %d -> EOF", i );
2621             in->b_eof = true;
2622         }
2623         else
2624         {
2625             in->b_eof = false;
2626         }
2627     }
2628 }
2629
2630 /*****************************************************************************
2631  * InputMetaUser:
2632  *****************************************************************************/
2633 static void InputMetaUser( input_thread_t *p_input, vlc_meta_t *p_meta )
2634 {
2635     static const struct { int i_meta; const char *psz_name; } p_list[] = {
2636         { vlc_meta_Title,       "meta-title" },
2637         { vlc_meta_Artist,      "meta-artist" },
2638         { vlc_meta_Genre,       "meta-genre" },
2639         { vlc_meta_Copyright,   "meta-copyright" },
2640         { vlc_meta_Description, "meta-description" },
2641         { vlc_meta_Date,        "meta-date" },
2642         { vlc_meta_URL,         "meta-url" },
2643         { 0, NULL }
2644     };
2645
2646     /* Get meta information from user */
2647     for( int i = 0; p_list[i].psz_name; i++ )
2648     {
2649         char *psz_string = var_GetNonEmptyString( p_input, p_list[i].psz_name );
2650         if( !psz_string )
2651             continue;
2652
2653         EnsureUTF8( psz_string );
2654         vlc_meta_Set( p_meta, p_list[i].i_meta, psz_string );
2655         free( psz_string );
2656     }
2657 }
2658
2659 static void AppendAttachment( int *pi_attachment, input_attachment_t ***ppp_attachment, demux_t ***ppp_attachment_demux,
2660                               int i_new, input_attachment_t **pp_new, demux_t *p_demux )
2661 {
2662     int i_attachment = *pi_attachment;
2663     input_attachment_t **attachment = *ppp_attachment;
2664     demux_t **attachment_demux = *ppp_attachment_demux;
2665     int i;
2666
2667     attachment = xrealloc( attachment,
2668                     sizeof(*attachment) * ( i_attachment + i_new ) );
2669     attachment_demux = xrealloc( attachment_demux,
2670                     sizeof(*attachment_demux) * ( i_attachment + i_new ) );
2671     for( i = 0; i < i_new; i++ )
2672     {
2673         attachment[i_attachment] = pp_new[i];
2674         attachment_demux[i_attachment++] = p_demux;
2675     }
2676     free( pp_new );
2677
2678     /* */
2679     *pi_attachment = i_attachment;
2680     *ppp_attachment = attachment;
2681     *ppp_attachment_demux = attachment_demux;
2682 }
2683
2684 /*****************************************************************************
2685  * InputUpdateMeta: merge p_item meta data with p_meta taking care of
2686  * arturl and locking issue.
2687  *****************************************************************************/
2688 static void InputUpdateMeta( input_thread_t *p_input, demux_t *p_demux )
2689 {
2690     vlc_meta_t *p_meta = vlc_meta_New();
2691     if( unlikely(p_meta == NULL) )
2692         return;
2693
2694     demux_Control( p_demux, DEMUX_GET_META, p_meta );
2695
2696     /* If metadata changed, then the attachments might have changed.
2697        We need to update them in case they contain album art. */
2698     input_attachment_t **attachment;
2699     int i_attachment;
2700
2701     if( !demux_Control( p_demux, DEMUX_GET_ATTACHMENTS,
2702                         &attachment, &i_attachment ) )
2703     {
2704         vlc_mutex_lock( &p_input->p->p_item->lock );
2705         if( p_input->p->i_attachment > 0 )
2706         {
2707             int j = 0;
2708             for( int i = 0; i < p_input->p->i_attachment; i++ )
2709             {
2710                 if( p_input->p->attachment_demux[i] == p_demux )
2711                     vlc_input_attachment_Delete( p_input->p->attachment[i] );
2712                 else
2713                 {
2714                     p_input->p->attachment[j] = p_input->p->attachment[i];
2715                     p_input->p->attachment_demux[j] = p_input->p->attachment_demux[i];
2716                     j++;
2717                 }
2718             }
2719             p_input->p->i_attachment = j;
2720         }
2721         AppendAttachment( &p_input->p->i_attachment, &p_input->p->attachment, &p_input->p->attachment_demux,
2722                           i_attachment, attachment, p_demux );
2723         vlc_mutex_unlock( &p_input->p->p_item->lock );
2724     }
2725
2726     es_out_ControlSetMeta( p_input->p->p_es_out, p_meta );
2727     vlc_meta_Delete( p_meta );
2728 }
2729
2730 /*****************************************************************************
2731  * InputGetExtraFiles
2732  *  Autodetect extra input list
2733  *****************************************************************************/
2734 static void InputGetExtraFilesPattern( input_thread_t *p_input,
2735                                        int *pi_list, char ***pppsz_list,
2736                                        const char *psz_path,
2737                                        const char *psz_match,
2738                                        const char *psz_format,
2739                                        int i_start, int i_stop )
2740 {
2741     int i_list;
2742     char **ppsz_list;
2743
2744     TAB_INIT( i_list, ppsz_list );
2745
2746     char *psz_base = strdup( psz_path );
2747     if( !psz_base )
2748         goto exit;
2749
2750     /* Remove the extension */
2751     char *psz_end = &psz_base[strlen(psz_base)-strlen(psz_match)];
2752     assert( psz_end >= psz_base);
2753     *psz_end = '\0';
2754
2755     /* Try to list files */
2756     for( int i = i_start; i <= i_stop; i++ )
2757     {
2758         struct stat st;
2759         char *psz_file;
2760
2761         if( asprintf( &psz_file, psz_format, psz_base, i ) < 0 )
2762             break;
2763
2764         char *psz_tmp_path = get_path( psz_file );
2765
2766         if( vlc_stat( psz_tmp_path, &st ) || !S_ISREG( st.st_mode ) || !st.st_size )
2767         {
2768             free( psz_file );
2769             free( psz_tmp_path );
2770             break;
2771         }
2772
2773         msg_Dbg( p_input, "Detected extra file `%s'", psz_file );
2774         TAB_APPEND( i_list, ppsz_list, psz_file );
2775         free( psz_tmp_path );
2776     }
2777     free( psz_base );
2778 exit:
2779     *pi_list = i_list;
2780     *pppsz_list = ppsz_list;
2781 }
2782
2783 static void InputGetExtraFiles( input_thread_t *p_input,
2784                                 int *pi_list, char ***pppsz_list,
2785                                 const char *psz_access, const char *psz_path )
2786 {
2787     static const struct
2788     {
2789         const char *psz_match;
2790         const char *psz_format;
2791         int i_start;
2792         int i_stop;
2793     } p_pattern[] = {
2794         /* XXX the order is important */
2795         { ".001",         "%s.%.3d",        2, 999 },
2796         { NULL, NULL, 0, 0 }
2797     };
2798
2799     TAB_INIT( *pi_list, *pppsz_list );
2800
2801     if( ( psz_access && *psz_access && strcmp( psz_access, "file" ) ) || !psz_path )
2802         return;
2803
2804     const size_t i_path = strlen(psz_path);
2805
2806     for( int i = 0; p_pattern[i].psz_match != NULL; i++ )
2807     {
2808         const size_t i_ext = strlen(p_pattern[i].psz_match );
2809
2810         if( i_path < i_ext )
2811             continue;
2812         if( !strcmp( &psz_path[i_path-i_ext], p_pattern[i].psz_match ) )
2813         {
2814             InputGetExtraFilesPattern( p_input, pi_list, pppsz_list,
2815                                        psz_path,
2816                                        p_pattern[i].psz_match, p_pattern[i].psz_format,
2817                                        p_pattern[i].i_start, p_pattern[i].i_stop );
2818             return;
2819         }
2820     }
2821 }
2822
2823 /* */
2824 static void input_ChangeState( input_thread_t *p_input, int i_state )
2825 {
2826     const bool b_changed = p_input->p->i_state != i_state;
2827
2828     p_input->p->i_state = i_state;
2829     if( i_state == ERROR_S )
2830         p_input->b_error = true;
2831     else if( i_state == END_S )
2832         p_input->b_eof = true;
2833
2834     if( b_changed )
2835     {
2836         input_item_SetErrorWhenReading( p_input->p->p_item, p_input->b_error );
2837         input_SendEventState( p_input, i_state );
2838     }
2839 }
2840
2841
2842 /*****************************************************************************
2843  * MRLSplit: parse the access, demux and url part of the
2844  *           Media Resource Locator.
2845  *****************************************************************************/
2846 void input_SplitMRL( const char **access, const char **demux,
2847                      const char **path, const char **anchor, char *buf )
2848 {
2849     char *p;
2850
2851     /* Separate <path> from <access>[/<demux>]:// */
2852     p = strstr( buf, "://" );
2853     if( p != NULL )
2854     {
2855         *p = '\0';
2856         p += 3; /* skips "://" */
2857         *path = p;
2858
2859         /* Remove HTML anchor if present (not supported).
2860          * The hash symbol itself should be URI-encoded. */
2861         p = strchr( p, '#' );
2862         if( p != NULL )
2863         {
2864             *(p++) = '\0';
2865             *anchor = p;
2866         }
2867         else
2868             *anchor = "";
2869     }
2870     else
2871     {
2872 #ifndef NDEBUG
2873         fprintf( stderr, "%s(\"%s\") probably not a valid URI!\n", __func__,
2874                  buf );
2875 #endif
2876         /* Note: this is a valid non const pointer to "": */
2877         *path = buf + strlen( buf );
2878     }
2879
2880     /* Separate access from demux */
2881     p = strchr( buf, '/' );
2882     if( p != NULL )
2883     {
2884         *(p++) = '\0';
2885         if( p[0] == '$' )
2886             p++;
2887         *demux = p;
2888     }
2889     else
2890         *demux = "";
2891
2892     /* We really don't want module name substitution here! */
2893     p = buf;
2894     if( p[0] == '$' )
2895         p++;
2896     *access = p;
2897 }
2898
2899 static const char *MRLSeekPoint( const char *str, int *title, int *chapter )
2900 {
2901     char *end;
2902     unsigned long u;
2903
2904     /* Look for the title */
2905     u = strtoul( str, &end, 0 );
2906     *title = (str == end || u > (unsigned long)INT_MAX) ? -1 : (int)u;
2907     str = end;
2908
2909     /* Look for the chapter */
2910     if( *str == ':' )
2911     {
2912         str++;
2913         u = strtoul( str, &end, 0 );
2914         *chapter = (str == end || u > (unsigned long)INT_MAX) ? -1 : (int)u;
2915         str = end;
2916     }
2917     else
2918         *chapter = -1;
2919
2920     return str;
2921 }
2922
2923
2924 /*****************************************************************************
2925  * MRLSections: parse title and seekpoint info from the Media Resource Locator.
2926  *
2927  * Syntax:
2928  * [url][@[title_start][:chapter_start][-[title_end][:chapter_end]]]
2929  *****************************************************************************/
2930 static void MRLSections( const char *p,
2931                          int *pi_title_start, int *pi_title_end,
2932                          int *pi_chapter_start, int *pi_chapter_end )
2933 {
2934     *pi_title_start = *pi_title_end = *pi_chapter_start = *pi_chapter_end = -1;
2935
2936     int title_start, chapter_start, title_end, chapter_end;
2937
2938     if( !p )
2939         return;
2940
2941     if( *p != '-' )
2942         p = MRLSeekPoint( p, &title_start, &chapter_start );
2943     else
2944         title_start = chapter_start = -1;
2945
2946     if( *p == '-' )
2947         p = MRLSeekPoint( p + 1, &title_end, &chapter_end );
2948     else
2949         title_end = chapter_end = -1;
2950
2951     if( *p ) /* syntax error */
2952         return;
2953
2954     *pi_title_start = title_start;
2955     *pi_title_end = title_end;
2956     *pi_chapter_start = chapter_start;
2957     *pi_chapter_end = chapter_end;
2958 }
2959
2960 /*****************************************************************************
2961  * input_AddSubtitles: add a subtitle file and enable it
2962  *****************************************************************************/
2963 static void input_SubtitleAdd( input_thread_t *p_input,
2964                                const char *url, unsigned i_flags )
2965 {
2966     input_source_t *sub = InputSourceNew( p_input );
2967     if( sub == NULL )
2968         return;
2969
2970     vlc_value_t count;
2971
2972     var_Change( p_input, "spu-es", VLC_VAR_CHOICESCOUNT, &count, NULL );
2973
2974     if( InputSourceInit( p_input, sub, url, "subtitle",
2975                          (i_flags & SUB_CANFAIL) ) )
2976     {
2977         free( sub );
2978         return;
2979     }
2980     TAB_APPEND( p_input->p->i_slave, p_input->p->slave, sub );
2981
2982     if( !(i_flags & SUB_FORCED) )
2983         return;
2984
2985     /* Select the ES */
2986     vlc_value_t list;
2987
2988     if( var_Change( p_input, "spu-es", VLC_VAR_GETCHOICES, &list, NULL ) )
2989         return;
2990     if( count.i_int == 0 )
2991         count.i_int++;
2992     /* if it was first one, there is disable too */
2993
2994     if( count.i_int < list.p_list->i_count )
2995     {
2996         const int i_id = list.p_list->p_values[count.i_int].i_int;
2997
2998         es_out_Control( p_input->p->p_es_out_display, ES_OUT_SET_ES_DEFAULT_BY_ID, i_id );
2999         es_out_Control( p_input->p->p_es_out_display, ES_OUT_SET_ES_BY_ID, i_id );
3000     }
3001     var_FreeList( &list, NULL );
3002 }
3003
3004 static void input_SubtitleFileAdd( input_thread_t *p_input, char *psz_subtitle,
3005                                    unsigned i_flags )
3006 {
3007     /* if we are provided a subtitle.sub file,
3008      * see if we don't have a subtitle.idx and use it instead */
3009     char *psz_path = strdup( psz_subtitle );
3010     if( likely(psz_path != NULL) )
3011     {
3012         char *psz_extension = strrchr( psz_path, '.');
3013         if( psz_extension && strcmp( psz_extension, ".sub" ) == 0 )
3014         {
3015             struct stat st;
3016
3017             strcpy( psz_extension, ".idx" );
3018
3019             if( !vlc_stat( psz_path, &st ) && S_ISREG( st.st_mode ) )
3020             {
3021                 msg_Dbg( p_input, "using %s as subtitle file instead of %s",
3022                          psz_path, psz_subtitle );
3023                 strcpy( psz_subtitle, psz_path ); /* <- FIXME! constify */
3024             }
3025         }
3026         free( psz_path );
3027     }
3028
3029     char *url = vlc_path2uri( psz_subtitle, NULL );
3030     if( url == NULL )
3031         return;
3032
3033     input_SubtitleAdd( p_input, url, i_flags );
3034     free( url );
3035 }
3036
3037 /*****************************************************************************
3038  * Statistics
3039  *****************************************************************************/
3040 void input_UpdateStatistic( input_thread_t *p_input,
3041                             input_statistic_t i_type, int i_delta )
3042 {
3043     assert( p_input->p->i_state != INIT_S );
3044
3045     vlc_mutex_lock( &p_input->p->counters.counters_lock);
3046     switch( i_type )
3047     {
3048 #define I(c) stats_Update( p_input->p->counters.c, i_delta, NULL )
3049     case INPUT_STATISTIC_DECODED_VIDEO:
3050         I(p_decoded_video);
3051         break;
3052     case INPUT_STATISTIC_DECODED_AUDIO:
3053         I(p_decoded_audio);
3054         break;
3055     case INPUT_STATISTIC_DECODED_SUBTITLE:
3056         I(p_decoded_sub);
3057         break;
3058     case INPUT_STATISTIC_SENT_PACKET:
3059         I(p_sout_sent_packets);
3060         break;
3061 #undef I
3062     case INPUT_STATISTIC_SENT_BYTE:
3063     {
3064         uint64_t bytes;
3065
3066         stats_Update( p_input->p->counters.p_sout_sent_bytes, i_delta, &bytes );
3067         stats_Update( p_input->p->counters.p_sout_send_bitrate, bytes, NULL );
3068         break;
3069     }
3070     default:
3071         msg_Err( p_input, "Invalid statistic type %d (internal error)", i_type );
3072         break;
3073     }
3074     vlc_mutex_unlock( &p_input->p->counters.counters_lock);
3075 }
3076
3077 /**/
3078 /* TODO FIXME nearly the same logic that snapshot code */
3079 char *input_CreateFilename( input_thread_t *input, const char *psz_path, const char *psz_prefix, const char *psz_extension )
3080 {
3081     char *psz_file;
3082     DIR *path;
3083
3084     path = vlc_opendir( psz_path );
3085     if( path )
3086     {
3087         closedir( path );
3088
3089         char *psz_tmp = str_format( input, psz_prefix );
3090         if( !psz_tmp )
3091             return NULL;
3092
3093         filename_sanitize( psz_tmp );
3094
3095         if( asprintf( &psz_file, "%s"DIR_SEP"%s%s%s",
3096                       psz_path, psz_tmp,
3097                       psz_extension ? "." : "",
3098                       psz_extension ? psz_extension : "" ) < 0 )
3099             psz_file = NULL;
3100         free( psz_tmp );
3101         return psz_file;
3102     }
3103     else
3104     {
3105         psz_file = str_format( input, psz_path );
3106         path_sanitize( psz_file );
3107         return psz_file;
3108     }
3109 }