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 <sys/stat.h>
  38
  39 #include "input_internal.h"
  40 #include "event.h"
  41 #include "es_out.h"
  42 #include "es_out_timeshift.h"
  43 #include "access.h"
  44 #include "demux.h"
  45 #include "stream.h"
  46 #include "item.h"
  47 #include "resource.h"
  48
  49 #include <vlc_sout.h>
  50 #include "../stream_output/stream_output.h"
  51
  52 #include <vlc_dialog.h>
  53 #include <vlc_url.h>
  54 #include <vlc_charset.h>
  55 #include <vlc_fs.h>
  56 #include <vlc_strings.h>
  57 #include <vlc_modules.h>
  58 #include <vlc_playlist.h> // FIXME
  59
  60 /*****************************************************************************
  61  * Local prototypes
  62  *****************************************************************************/
  63 static void Destructor( input_thread_t * p_input );
  64
  65 static  void *Run            ( void * );
  66
  67 static input_thread_t * Create  ( vlc_object_t *, input_item_t *,
  68                                   const char *, bool, input_resource_t * );
  69 static  int             Init    ( input_thread_t *p_input );
  70 static void             End     ( input_thread_t *p_input );
  71 static void             MainLoop( input_thread_t *p_input, bool b_interactive );
  72
  73 static inline int ControlPop( input_thread_t *, int *, vlc_value_t *, mtime_t i_deadline, bool b_postpone_seek );
  74 static void       ControlRelease( int i_type, vlc_value_t val );
  75 static bool       ControlIsSeekRequest( int i_type );
  76 static bool       Control( input_thread_t *, int, vlc_value_t );
  77
  78 static int  UpdateTitleSeekpointFromAccess( input_thread_t * );
  79 static void UpdateGenericFromAccess( input_thread_t * );
  80
  81 static int  UpdateTitleSeekpointFromDemux( input_thread_t * );
  82 static void UpdateGenericFromDemux( input_thread_t * );
  83 static void UpdateTitleListfromDemux( input_thread_t * );
  84
  85 static void MRLSections( const char *, int *, int *, int *, int *);
  86
  87 static input_source_t *InputSourceNew( input_thread_t *);
  88 static int  InputSourceInit( input_thread_t *, input_source_t *,
  89                              const char *, const char *psz_forced_demux,
  90                              bool b_in_can_fail );
  91 static void InputSourceClean( input_source_t * );
  92 static void InputSourceMeta( input_thread_t *, input_source_t *, vlc_meta_t * );
  93
  94 /* TODO */
  95 //static void InputGetAttachments( input_thread_t *, input_source_t * );
  96 static void SlaveDemux( input_thread_t *p_input, bool *pb_demux_polled );
  97 static void SlaveSeek( input_thread_t *p_input );
  98
  99 static void InputMetaUser( input_thread_t *p_input, vlc_meta_t *p_meta );
 100 static void InputUpdateMeta( input_thread_t *p_input, vlc_meta_t *p_meta );
 101 static void InputGetExtraFiles( input_thread_t *p_input,
 102                                 int *pi_list, char ***pppsz_list,
 103                                 const char *psz_access, const char *psz_path );
 104
 105 static void AppendAttachment( int *pi_attachment, input_attachment_t ***ppp_attachment,
 106                               int i_new, input_attachment_t **pp_new );
 107
 108 enum {
 109     SUB_NOFLAG = 0x00,
 110     SUB_FORCED = 0x01,
 111     SUB_CANFAIL = 0x02,
 112 };
 113 static void SubtitleAdd( input_thread_t *p_input, char *psz_subtitle, unsigned i_flags );
 114
 115 static void input_ChangeState( input_thread_t *p_input, int i_state ); /* TODO fix name */
 116
 117 #undef input_Create
 118 /**
 119  * Create a new input_thread_t.
 120  *
 121  * You need to call input_Start on it when you are done
 122  * adding callback on the variables/events you want to monitor.
 123  *
 124  * \param p_parent a vlc_object
 125  * \param p_item an input item
 126  * \param psz_log an optional prefix for this input logs
 127  * \param p_resource an optional input ressource
 128  * \return a pointer to the spawned input thread
 129  */
 130 input_thread_t *input_Create( vlc_object_t *p_parent,
 131                               input_item_t *p_item,
 132                               const char *psz_log, input_resource_t *p_resource )
 133 {
 134     return Create( p_parent, p_item, psz_log, false, p_resource );
 135 }
 136
 137 #undef input_CreateAndStart
 138 /**
 139  * Create a new input_thread_t and start it.
 140  *
 141  * Provided for convenience.
 142  *
 143  * \see input_Create
 144  */
 145 input_thread_t *input_CreateAndStart( vlc_object_t *p_parent,
 146                                       input_item_t *p_item, const char *psz_log )
 147 {
 148     input_thread_t *p_input = input_Create( p_parent, p_item, psz_log, NULL );
 149
 150     if( input_Start( p_input ) )
 151     {
 152         vlc_object_release( p_input );
 153         return NULL;
 154     }
 155     return p_input;
 156 }
 157
 158 #undef input_Read
 159 /**
 160  * Initialize an input thread and run it until it stops by itself.
 161  *
 162  * \param p_parent a vlc_object
 163  * \param p_item an input item
 164  * \return an error code, VLC_SUCCESS on success
 165  */
 166 int input_Read( vlc_object_t *p_parent, input_item_t *p_item )
 167 {
 168     input_thread_t *p_input = Create( p_parent, p_item, NULL, false, NULL );
 169     if( !p_input )
 170         return VLC_EGENERIC;
 171
 172     if( !Init( p_input ) )
 173     {
 174         MainLoop( p_input, false );
 175         End( p_input );
 176     }
 177
 178     vlc_object_release( p_input );
 179     return VLC_SUCCESS;
 180 }
 181
 182 /**
 183  * Initialize an input and initialize it to preparse the item
 184  * This function is blocking. It will only accept parsing regular files.
 185  *
 186  * \param p_parent a vlc_object_t
 187  * \param p_item an input item
 188  * \return VLC_SUCCESS or an error
 189  */
 190 int input_Preparse( vlc_object_t *p_parent, input_item_t *p_item )
 191 {
 192     input_thread_t *p_input;
 193
 194     /* Allocate descriptor */
 195     p_input = Create( p_parent, p_item, NULL, true, NULL );
 196     if( !p_input )
 197         return VLC_EGENERIC;
 198
 199     if( !Init( p_input ) )
 200         End( p_input );
 201
 202     vlc_object_release( p_input );
 203
 204     return VLC_SUCCESS;
 205 }
 206
 207 /**
 208  * Start a input_thread_t created by input_Create.
 209  *
 210  * You must not start an already running input_thread_t.
 211  *
 212  * \param the input thread to start
 213  */
 214 int input_Start( input_thread_t *p_input )
 215 {
 216     /* Create thread and wait for its readiness. */
 217     p_input->p->is_running = !vlc_clone( &p_input->p->thread,
 218                                          Run, p_input, VLC_THREAD_PRIORITY_INPUT );
 219     if( !p_input->p->is_running )
 220     {
 221         input_ChangeState( p_input, ERROR_S );
 222         msg_Err( p_input, "cannot create input thread" );
 223         return VLC_EGENERIC;
 224     }
 225     return VLC_SUCCESS;
 226 }
 227
 228 /**
 229  * Request a running input thread to stop and die
 230  *
 231  * b_abort must be true when a user stop is requested and not because you have
 232  * detected an error or an eof. It will be used to properly send the
 233  * INPUT_EVENT_ABORT event.
 234  *
 235  * \param p_input the input thread to stop
 236  * \param b_abort true if the input has been aborted by a user request
 237  */
 238 void input_Stop( input_thread_t *p_input, bool b_abort )
 239 {
 240     /* Set die for input and ALL of this childrens (even (grand-)grand-childrens)
 241      * It is needed here even if it is done in INPUT_CONTROL_SET_DIE handler to
 242      * unlock the control loop */
 243     ObjectKillChildrens( VLC_OBJECT(p_input) );
 244
 245     vlc_mutex_lock( &p_input->p->lock_control );
 246     p_input->p->b_abort |= b_abort;
 247     vlc_mutex_unlock( &p_input->p->lock_control );
 248
 249     input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
 250 }
 251
 252 void input_Join( input_thread_t *p_input )
 253 {
 254     if( p_input->p->is_running )
 255         vlc_join( p_input->p->thread, NULL );
 256 }
 257
 258 void input_Release( input_thread_t *p_input )
 259 {
 260     vlc_object_release( p_input );
 261 }
 262
 263 /**
 264  * Close an input
 265  *
 266  * It does not call input_Stop itself.
 267  */
 268 void input_Close( input_thread_t *p_input )
 269 {
 270     input_Join( p_input );
 271     input_Release( p_input );
 272 }
 273
 274 /**
 275  * Get the item from an input thread
 276  * FIXME it does not increase ref count of the item.
 277  * if it is used after p_input is destroyed nothing prevent it from
 278  * being freed.
 279  */
 280 input_item_t *input_GetItem( input_thread_t *p_input )
 281 {
 282     assert( p_input && p_input->p );
 283     return p_input->p->p_item;
 284 }
 285
 286 /*****************************************************************************
 287  * This function creates a new input, and returns a pointer
 288  * to its description. On error, it returns NULL.
 289  *
 290  * XXX Do not forget to update vlc_input.h if you add new variables.
 291  *****************************************************************************/
 292 static input_thread_t *Create( vlc_object_t *p_parent, input_item_t *p_item,
 293                                const char *psz_header, bool b_quick,
 294                                input_resource_t *p_resource )
 295 {
 296     input_thread_t *p_input = NULL;                 /* thread descriptor */
 297     int i;
 298
 299     /* Allocate descriptor */
 300     p_input = vlc_custom_create( p_parent, sizeof( *p_input ), "input" );
 301     if( p_input == NULL )
 302         return NULL;
 303
 304     /* Construct a nice name for the input timer */
 305     char psz_timer_name[255];
 306     char * psz_name = input_item_GetName( p_item );
 307     snprintf( psz_timer_name, sizeof(psz_timer_name),
 308               "input launching for '%s'", psz_name );
 309
 310     msg_Dbg( p_input, "Creating an input for '%s'", psz_name);
 311
 312     free( psz_name );
 313
 314     p_input->p = calloc( 1, sizeof( input_thread_private_t ) );
 315     if( !p_input->p )
 316         return NULL;
 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->p_sout   = NULL;
 346     p_input->p->b_out_pace_control = false;
 347
 348     vlc_gc_incref( p_item ); /* Released in Destructor() */
 349     p_input->p->p_item = p_item;
 350
 351     /* Init Input fields */
 352     p_input->p->input.p_access = NULL;
 353     p_input->p->input.p_stream = NULL;
 354     p_input->p->input.p_demux  = NULL;
 355     p_input->p->input.b_title_demux = false;
 356     p_input->p->input.i_title  = 0;
 357     p_input->p->input.title    = NULL;
 358     p_input->p->input.i_title_offset = p_input->p->input.i_seekpoint_offset = 0;
 359     p_input->p->input.b_can_pace_control = true;
 360     p_input->p->input.b_can_rate_control = true;
 361     p_input->p->input.b_rescale_ts = true;
 362     p_input->p->input.b_eof = false;
 363
 364     vlc_mutex_lock( &p_item->lock );
 365
 366     if( !p_item->p_stats )
 367         p_item->p_stats = stats_NewInputStats( p_input );
 368     vlc_mutex_unlock( &p_item->lock );
 369
 370     /* No slave */
 371     p_input->p->i_slave = 0;
 372     p_input->p->slave   = NULL;
 373
 374     /* */
 375     if( p_resource )
 376     {
 377         p_input->p->p_resource_private = NULL;
 378         p_input->p->p_resource = input_resource_Hold( p_resource );
 379     }
 380     else
 381     {
 382         p_input->p->p_resource_private = input_resource_New( VLC_OBJECT( p_input ) );
 383         p_input->p->p_resource = input_resource_Hold( p_input->p->p_resource_private );
 384     }
 385     input_resource_SetInput( p_input->p->p_resource, p_input );
 386
 387     /* Init control buffer */
 388     vlc_mutex_init( &p_input->p->lock_control );
 389     vlc_cond_init( &p_input->p->wait_control );
 390     p_input->p->i_control = 0;
 391     p_input->p->b_abort = false;
 392     p_input->p->is_running = false;
 393
 394     /* Create Object Variables for private use only */
 395     input_ConfigVarInit( p_input );
 396
 397     /* Create Objects variables for public Get and Set */
 398     input_ControlVarInit( p_input );
 399
 400     /* */
 401     if( !p_input->b_preparsing )
 402     {
 403         char *psz_bookmarks = var_GetNonEmptyString( p_input, "bookmarks" );
 404         if( psz_bookmarks )
 405         {
 406             /* FIXME: have a common cfg parsing routine used by sout and others */
 407             char *psz_parser, *psz_start, *psz_end;
 408             psz_parser = psz_bookmarks;
 409             while( (psz_start = strchr( psz_parser, '{' ) ) )
 410             {
 411                  seekpoint_t *p_seekpoint;
 412                  char backup;
 413                  psz_start++;
 414                  psz_end = strchr( psz_start, '}' );
 415                  if( !psz_end ) break;
 416                  psz_parser = psz_end + 1;
 417                  backup = *psz_parser;
 418                  *psz_parser = 0;
 419                  *psz_end = ',';
 420
 421                  p_seekpoint = vlc_seekpoint_New();
 422                  while( (psz_end = strchr( psz_start, ',' ) ) )
 423                  {
 424                      *psz_end = 0;
 425                      if( !strncmp( psz_start, "name=", 5 ) )
 426                      {
 427                          p_seekpoint->psz_name = strdup(psz_start + 5);
 428                      }
 429                      else if( !strncmp( psz_start, "bytes=", 6 ) )
 430                      {
 431                          p_seekpoint->i_byte_offset = atoll(psz_start + 6);
 432                      }
 433                      else if( !strncmp( psz_start, "time=", 5 ) )
 434                      {
 435                          p_seekpoint->i_time_offset = atoll(psz_start + 5) *
 436                                                         1000000;
 437                      }
 438                      psz_start = psz_end + 1;
 439                 }
 440                 msg_Dbg( p_input, "adding bookmark: %s, bytes=%"PRId64", time=%"PRId64,
 441                                   p_seekpoint->psz_name, p_seekpoint->i_byte_offset,
 442                                   p_seekpoint->i_time_offset );
 443                 input_Control( p_input, INPUT_ADD_BOOKMARK, p_seekpoint );
 444                 vlc_seekpoint_Delete( p_seekpoint );
 445                 *psz_parser = backup;
 446             }
 447             free( psz_bookmarks );
 448         }
 449     }
 450
 451     /* Remove 'Now playing' info as it is probably outdated */
 452     input_item_SetNowPlaying( p_item, NULL );
 453     input_SendEventMeta( p_input );
 454
 455     /* */
 456     if( p_input->b_preparsing )
 457         p_input->i_flags |= OBJECT_FLAGS_QUIET | OBJECT_FLAGS_NOINTERACT;
 458
 459     /* Make sure the interaction option is honored */
 460     if( !var_InheritBool( p_input, "interact" ) )
 461         p_input->i_flags |= OBJECT_FLAGS_NOINTERACT;
 462
 463     /* */
 464     memset( &p_input->p->counters, 0, sizeof( p_input->p->counters ) );
 465     vlc_mutex_init( &p_input->p->counters.counters_lock );
 466
 467     p_input->p->p_es_out_display = input_EsOutNew( p_input, p_input->p->i_rate );
 468     p_input->p->p_es_out = NULL;
 469
 470     /* Set the destructor when we are sure we are initialized */
 471     vlc_object_set_destructor( p_input, (vlc_destructor_t)Destructor );
 472
 473     return p_input;
 474 }
 475
 476 /**
 477  * Input destructor (called when the object's refcount reaches 0).
 478  */
 479 static void Destructor( input_thread_t * p_input )
 480 {
 481 #ifndef NDEBUG
 482     char * psz_name = input_item_GetName( p_input->p->p_item );
 483     msg_Dbg( p_input, "Destroying the input for '%s'", psz_name);
 484     free( psz_name );
 485 #endif
 486
 487     if( p_input->p->p_es_out_display )
 488         es_out_Delete( p_input->p->p_es_out_display );
 489
 490     if( p_input->p->p_resource )
 491         input_resource_Release( p_input->p->p_resource );
 492     if( p_input->p->p_resource_private )
 493         input_resource_Release( p_input->p->p_resource_private );
 494
 495     vlc_gc_decref( p_input->p->p_item );
 496
 497     vlc_mutex_destroy( &p_input->p->counters.counters_lock );
 498
 499     for( int i = 0; i < p_input->p->i_control; i++ )
 500     {
 501         input_control_t *p_ctrl = &p_input->p->control[i];
 502         ControlRelease( p_ctrl->i_type, p_ctrl->val );
 503     }
 504
 505     vlc_cond_destroy( &p_input->p->wait_control );
 506     vlc_mutex_destroy( &p_input->p->lock_control );
 507     free( p_input->p );
 508 }
 509
 510 /*****************************************************************************
 511  * Run: main thread loop
 512  * This is the "normal" thread that spawns the input processing chain,
 513  * reads the stream, cleans up and waits
 514  *****************************************************************************/
 515 static void *Run( void *obj )
 516 {
 517     input_thread_t *p_input = (input_thread_t *)obj;
 518     const int canc = vlc_savecancel();
 519
 520     if( Init( p_input ) )
 521         goto exit;
 522
 523     MainLoop( p_input, true ); /* FIXME it can be wrong (like with VLM) */
 524
 525     /* Clean up */
 526     End( p_input );
 527
 528 exit:
 529     /* Tell we're dead */
 530     vlc_mutex_lock( &p_input->p->lock_control );
 531     const bool b_abort = p_input->p->b_abort;
 532     vlc_mutex_unlock( &p_input->p->lock_control );
 533
 534     if( b_abort )
 535         input_SendEventAbort( p_input );
 536     input_SendEventDead( p_input );
 537
 538     vlc_restorecancel( canc );
 539     return NULL;
 540 }
 541
 542 /*****************************************************************************
 543  * Main loop: Fill buffers from access, and demux
 544  *****************************************************************************/
 545
 546 /**
 547  * MainLoopDemux
 548  * It asks the demuxer to demux some data
 549  */
 550 static void MainLoopDemux( input_thread_t *p_input, bool *pb_changed, bool *pb_demux_polled, mtime_t i_start_mdate )
 551 {
 552     int i_ret;
 553
 554     *pb_changed = false;
 555     *pb_demux_polled = p_input->p->input.p_demux->pf_demux != NULL;
 556
 557     if( ( p_input->p->i_stop > 0 && p_input->p->i_time >= p_input->p->i_stop ) ||
 558         ( p_input->p->i_run > 0 && i_start_mdate+p_input->p->i_run < mdate() ) )
 559         i_ret = 0; /* EOF */
 560     else
 561         i_ret = demux_Demux( p_input->p->input.p_demux );
 562
 563     if( i_ret > 0 )
 564     {
 565         if( p_input->p->input.p_demux->info.i_update )
 566         {
 567             if( p_input->p->input.p_demux->info.i_update & INPUT_UPDATE_TITLE_LIST )
 568             {
 569                 UpdateTitleListfromDemux( p_input );
 570                 p_input->p->input.p_demux->info.i_update &= ~INPUT_UPDATE_TITLE_LIST;
 571             }
 572             if( p_input->p->input.b_title_demux )
 573             {
 574                 i_ret = UpdateTitleSeekpointFromDemux( p_input );
 575                 *pb_changed = true;
 576             }
 577             UpdateGenericFromDemux( p_input );
 578         }
 579         else if( p_input->p->input.p_access &&
 580                  p_input->p->input.p_access->info.i_update )
 581         {
 582             if( !p_input->p->input.b_title_demux )
 583             {
 584                 i_ret = UpdateTitleSeekpointFromAccess( p_input );
 585                 *pb_changed = true;
 586             }
 587             UpdateGenericFromAccess( p_input );
 588         }
 589     }
 590
 591     if( i_ret == 0 )    /* EOF */
 592     {
 593         msg_Dbg( p_input, "EOF reached" );
 594         p_input->p->input.b_eof = true;
 595         es_out_Eos(p_input->p->p_es_out);
 596     }
 597     else if( i_ret < 0 )
 598     {
 599         input_ChangeState( p_input, ERROR_S );
 600     }
 601
 602     if( i_ret > 0 && p_input->p->i_slave > 0 )
 603     {
 604         bool b_demux_polled;
 605         SlaveDemux( p_input, &b_demux_polled );
 606
 607         *pb_demux_polled |= b_demux_polled;
 608     }
 609 }
 610
 611 static int MainLoopTryRepeat( input_thread_t *p_input, mtime_t *pi_start_mdate )
 612 {
 613     int i_repeat = var_GetInteger( p_input, "input-repeat" );
 614     if( i_repeat == 0 )
 615         return VLC_EGENERIC;
 616
 617     vlc_value_t val;
 618
 619     msg_Dbg( p_input, "repeating the same input (%d)", i_repeat );
 620     if( i_repeat > 0 )
 621     {
 622         i_repeat--;
 623         var_SetInteger( p_input, "input-repeat", i_repeat );
 624     }
 625
 626     /* Seek to start title/seekpoint */
 627     val.i_int = p_input->p->input.i_title_start -
 628         p_input->p->input.i_title_offset;
 629     if( val.i_int < 0 || val.i_int >= p_input->p->input.i_title )
 630         val.i_int = 0;
 631     input_ControlPush( p_input,
 632                        INPUT_CONTROL_SET_TITLE, &val );
 633
 634     val.i_int = p_input->p->input.i_seekpoint_start -
 635         p_input->p->input.i_seekpoint_offset;
 636     if( val.i_int > 0 /* TODO: check upper boundary */ )
 637         input_ControlPush( p_input,
 638                            INPUT_CONTROL_SET_SEEKPOINT, &val );
 639
 640     /* Seek to start position */
 641     if( p_input->p->i_start > 0 )
 642     {
 643         val.i_time = p_input->p->i_start;
 644         input_ControlPush( p_input, INPUT_CONTROL_SET_TIME, &val );
 645     }
 646     else
 647     {
 648         val.f_float = 0.0;
 649         input_ControlPush( p_input, INPUT_CONTROL_SET_POSITION, &val );
 650     }
 651
 652     /* */
 653     *pi_start_mdate = mdate();
 654     return VLC_SUCCESS;
 655 }
 656
 657 /**
 658  * MainLoopInterface
 659  * It update the variables used by the interfaces
 660  */
 661 static void MainLoopInterface( input_thread_t *p_input )
 662 {
 663     double f_position = 0.0;
 664     mtime_t i_time = 0;
 665     mtime_t i_length = 0;
 666
 667     /* update input status variables */
 668     if( demux_Control( p_input->p->input.p_demux,
 669                        DEMUX_GET_POSITION, &f_position ) )
 670         f_position = 0.0;
 671
 672     if( demux_Control( p_input->p->input.p_demux,
 673                        DEMUX_GET_TIME, &i_time ) )
 674         i_time = 0;
 675     p_input->p->i_time = i_time;
 676
 677     if( demux_Control( p_input->p->input.p_demux,
 678                        DEMUX_GET_LENGTH, &i_length ) )
 679         i_length = 0;
 680
 681     es_out_SetTimes( p_input->p->p_es_out, f_position, i_time, i_length );
 682
 683     /* update current bookmark */
 684     vlc_mutex_lock( &p_input->p->p_item->lock );
 685     p_input->p->bookmark.i_time_offset = i_time;
 686     if( p_input->p->input.p_stream )
 687         p_input->p->bookmark.i_byte_offset = stream_Tell( p_input->p->input.p_stream );
 688     vlc_mutex_unlock( &p_input->p->p_item->lock );
 689 }
 690
 691 /**
 692  * MainLoopStatistic
 693  * It updates the globals statics
 694  */
 695 static void MainLoopStatistic( input_thread_t *p_input )
 696 {
 697     stats_ComputeInputStats( p_input, p_input->p->p_item->p_stats );
 698     input_SendEventStatistics( p_input );
 699 }
 700
 701 /**
 702  * MainLoop
 703  * The main input loop.
 704  */
 705 static void MainLoop( input_thread_t *p_input, bool b_interactive )
 706 {
 707     mtime_t i_start_mdate = mdate();
 708     mtime_t i_intf_update = 0;
 709     mtime_t i_statistic_update = 0;
 710     mtime_t i_last_seek_mdate = 0;
 711     bool b_pause_after_eof = b_interactive &&
 712                              var_CreateGetBool( p_input, "play-and-pause" );
 713
 714     while( vlc_object_alive( p_input ) && !p_input->b_error )
 715     {
 716         bool b_force_update;
 717         vlc_value_t val;
 718         mtime_t i_current;
 719         mtime_t i_wakeup;
 720         bool b_paused;
 721         bool b_demux_polled;
 722
 723         /* Demux data */
 724         b_force_update = false;
 725         i_wakeup = 0;
 726         /* FIXME if p_input->p->i_state == PAUSE_S the access/access_demux
 727          * is paused -> this may cause problem with some of them
 728          * The same problem can be seen when seeking while paused */
 729         b_paused = p_input->p->i_state == PAUSE_S &&
 730                    ( !es_out_GetBuffering( p_input->p->p_es_out ) || p_input->p->input.b_eof );
 731
 732         b_demux_polled = true;
 733         if( !b_paused )
 734         {
 735             if( !p_input->p->input.b_eof )
 736             {
 737                 MainLoopDemux( p_input, &b_force_update, &b_demux_polled, i_start_mdate );
 738
 739                 i_wakeup = es_out_GetWakeup( p_input->p->p_es_out );
 740             }
 741             else if( !es_out_GetEmpty( p_input->p->p_es_out ) )
 742             {
 743                 msg_Dbg( p_input, "waiting decoder fifos to empty" );
 744                 i_wakeup = mdate() + INPUT_IDLE_SLEEP;
 745             }
 746             /* Pause after eof only if the input is pausable.
 747              * This way we won't trigger timeshifting for nothing */
 748             else if( b_pause_after_eof && p_input->p->b_can_pause )
 749             {
 750                 msg_Dbg( p_input, "pausing at EOF (pause after each)");
 751                 val.i_int = PAUSE_S;
 752                 Control( p_input, INPUT_CONTROL_SET_STATE, val );
 753
 754                 b_paused = true;
 755             }
 756             else
 757             {
 758                 if( MainLoopTryRepeat( p_input, &i_start_mdate ) )
 759                     break;
 760                 b_pause_after_eof = var_GetBool( p_input, "play-and-pause" );
 761             }
 762         }
 763
 764         /* */
 765         do {
 766             mtime_t i_deadline = i_wakeup;
 767             if( b_paused || !b_demux_polled )
 768                 i_deadline = __MIN( i_intf_update, i_statistic_update );
 769
 770             /* Handle control */
 771             for( ;; )
 772             {
 773                 mtime_t i_limit = i_deadline;
 774
 775                 /* We will postpone the execution of a seek until we have
 776                  * finished the ES bufferisation (postpone is limited to
 777                  * 125ms) */
 778                 bool b_buffering = es_out_GetBuffering( p_input->p->p_es_out ) &&
 779                                    !p_input->p->input.b_eof;
 780                 if( b_buffering )
 781                 {
 782                     /* When postpone is in order, check the ES level every 20ms */
 783                     mtime_t i_current = mdate();
 784                     if( i_last_seek_mdate + INT64_C(125000) >= i_current )
 785                         i_limit = __MIN( i_deadline, i_current + INT64_C(20000) );
 786                 }
 787
 788                 int i_type;
 789                 if( ControlPop( p_input, &i_type, &val, i_limit, b_buffering ) )
 790                 {
 791                     if( b_buffering && i_limit < i_deadline )
 792                         continue;
 793                     break;
 794                 }
 795
 796 #ifndef NDEBUG
 797                 msg_Dbg( p_input, "control type=%d", i_type );
 798 #endif
 799
 800                 if( Control( p_input, i_type, val ) )
 801                 {
 802                     if( ControlIsSeekRequest( i_type ) )
 803                         i_last_seek_mdate = mdate();
 804                     b_force_update = true;
 805                 }
 806             }
 807
 808             /* Update interface and statistics */
 809             i_current = mdate();
 810             if( i_intf_update < i_current || b_force_update )
 811             {
 812                 MainLoopInterface( p_input );
 813                 i_intf_update = i_current + INT64_C(250000);
 814                 b_force_update = false;
 815             }
 816             if( i_statistic_update < i_current )
 817             {
 818                 MainLoopStatistic( p_input );
 819                 i_statistic_update = i_current + INT64_C(1000000);
 820             }
 821
 822             /* Update the wakeup time */
 823             if( i_wakeup != 0 )
 824                 i_wakeup = es_out_GetWakeup( p_input->p->p_es_out );
 825         } while( i_current < i_wakeup );
 826     }
 827
 828     if( !p_input->b_error )
 829         input_ChangeState( p_input, END_S );
 830 }
 831
 832 static void InitStatistics( input_thread_t * p_input )
 833 {
 834     if( p_input->b_preparsing ) return;
 835
 836     /* Prepare statistics */
 837 #define INIT_COUNTER( c, compute ) p_input->p->counters.p_##c = \
 838  stats_CounterCreate( STATS_##compute);
 839     if( libvlc_stats( p_input ) )
 840     {
 841         INIT_COUNTER( read_bytes, COUNTER );
 842         INIT_COUNTER( read_packets, COUNTER );
 843         INIT_COUNTER( demux_read, COUNTER );
 844         INIT_COUNTER( input_bitrate, DERIVATIVE );
 845         INIT_COUNTER( demux_bitrate, DERIVATIVE );
 846         INIT_COUNTER( demux_corrupted, COUNTER );
 847         INIT_COUNTER( demux_discontinuity, COUNTER );
 848         INIT_COUNTER( played_abuffers, COUNTER );
 849         INIT_COUNTER( lost_abuffers, COUNTER );
 850         INIT_COUNTER( displayed_pictures, COUNTER );
 851         INIT_COUNTER( lost_pictures, COUNTER );
 852         INIT_COUNTER( decoded_audio, COUNTER );
 853         INIT_COUNTER( decoded_video, COUNTER );
 854         INIT_COUNTER( decoded_sub, COUNTER );
 855         p_input->p->counters.p_sout_send_bitrate = NULL;
 856         p_input->p->counters.p_sout_sent_packets = NULL;
 857         p_input->p->counters.p_sout_sent_bytes = NULL;
 858     }
 859 }
 860
 861 #ifdef ENABLE_SOUT
 862 static int InitSout( input_thread_t * p_input )
 863 {
 864     if( p_input->b_preparsing )
 865         return VLC_SUCCESS;
 866
 867     /* Find a usable sout and attach it to p_input */
 868     char *psz = var_GetNonEmptyString( p_input, "sout" );
 869     if( psz && strncasecmp( p_input->p->p_item->psz_uri, "vlc:", 4 ) )
 870     {
 871         p_input->p->p_sout  = input_resource_RequestSout( p_input->p->p_resource, NULL, psz );
 872         if( !p_input->p->p_sout )
 873         {
 874             input_ChangeState( p_input, ERROR_S );
 875             msg_Err( p_input, "cannot start stream output instance, " \
 876                               "aborting" );
 877             free( psz );
 878             return VLC_EGENERIC;
 879         }
 880         if( libvlc_stats( p_input ) )
 881         {
 882             INIT_COUNTER( sout_sent_packets, COUNTER );
 883             INIT_COUNTER( sout_sent_bytes, COUNTER );
 884             INIT_COUNTER( sout_send_bitrate, DERIVATIVE );
 885         }
 886     }
 887     else
 888     {
 889         input_resource_RequestSout( p_input->p->p_resource, NULL, NULL );
 890     }
 891     free( psz );
 892
 893     return VLC_SUCCESS;
 894 }
 895 #endif
 896
 897 static void InitTitle( input_thread_t * p_input )
 898 {
 899     input_source_t *p_master = &p_input->p->input;
 900
 901     if( p_input->b_preparsing )
 902         return;
 903
 904     vlc_mutex_lock( &p_input->p->p_item->lock );
 905     /* Create global title (from master) */
 906     p_input->p->i_title = p_master->i_title;
 907     p_input->p->title   = p_master->title;
 908     p_input->p->i_title_offset = p_master->i_title_offset;
 909     p_input->p->i_seekpoint_offset = p_master->i_seekpoint_offset;
 910     if( p_input->p->i_title > 0 )
 911     {
 912         /* Setup variables */
 913         input_ControlVarNavigation( p_input );
 914         input_SendEventTitle( p_input, 0 );
 915     }
 916
 917     /* Global flag */
 918     p_input->p->b_can_pace_control    = p_master->b_can_pace_control;
 919     p_input->p->b_can_pause        = p_master->b_can_pause;
 920     p_input->p->b_can_rate_control = p_master->b_can_rate_control;
 921     vlc_mutex_unlock( &p_input->p->p_item->lock );
 922 }
 923
 924 static void StartTitle( input_thread_t * p_input )
 925 {
 926     vlc_value_t val;
 927
 928     /* Start title/chapter */
 929     val.i_int = p_input->p->input.i_title_start -
 930                 p_input->p->input.i_title_offset;
 931     if( val.i_int > 0 && val.i_int < p_input->p->input.i_title )
 932         input_ControlPush( p_input, INPUT_CONTROL_SET_TITLE, &val );
 933
 934     val.i_int = p_input->p->input.i_seekpoint_start -
 935                 p_input->p->input.i_seekpoint_offset;
 936     if( val.i_int > 0 /* TODO: check upper boundary */ )
 937         input_ControlPush( p_input, INPUT_CONTROL_SET_SEEKPOINT, &val );
 938
 939     /* Start/stop/run time */
 940     p_input->p->i_start = (int64_t)(1000000.0
 941                                      * var_GetFloat( p_input, "start-time" ));
 942     p_input->p->i_stop  = (int64_t)(1000000.0
 943                                      * var_GetFloat( p_input, "stop-time" ));
 944     p_input->p->i_run   = (int64_t)(1000000.0
 945                                      * var_GetFloat( p_input, "run-time" ));
 946     if( p_input->p->i_run < 0 )
 947     {
 948         msg_Warn( p_input, "invalid run-time ignored" );
 949         p_input->p->i_run = 0;
 950     }
 951
 952     if( p_input->p->i_start > 0 )
 953     {
 954         vlc_value_t s;
 955
 956         msg_Dbg( p_input, "starting at time: %ds",
 957                  (int)( p_input->p->i_start / INT64_C(1000000) ) );
 958
 959         s.i_time = p_input->p->i_start;
 960         input_ControlPush( p_input, INPUT_CONTROL_SET_TIME, &s );
 961     }
 962     if( p_input->p->i_stop > 0 && p_input->p->i_stop <= p_input->p->i_start )
 963     {
 964         msg_Warn( p_input, "invalid stop-time ignored" );
 965         p_input->p->i_stop = 0;
 966     }
 967     p_input->p->b_fast_seek = var_GetBool( p_input, "input-fast-seek" );
 968 }
 969
 970 static void LoadSubtitles( input_thread_t *p_input )
 971 {
 972     /* Load subtitles */
 973     /* Get fps and set it if not already set */
 974     const double f_fps = p_input->p->f_fps;
 975     if( f_fps > 1.0 )
 976     {
 977         float f_requested_fps;
 978
 979         var_Create( p_input, "sub-original-fps", VLC_VAR_FLOAT );
 980         var_SetFloat( p_input, "sub-original-fps", f_fps );
 981
 982         f_requested_fps = var_CreateGetFloat( p_input, "sub-fps" );
 983         if( f_requested_fps != f_fps )
 984         {
 985             var_Create( p_input, "sub-fps", VLC_VAR_FLOAT|
 986                                             VLC_VAR_DOINHERIT );
 987             var_SetFloat( p_input, "sub-fps", f_requested_fps );
 988         }
 989     }
 990
 991     const int i_delay = var_CreateGetInteger( p_input, "sub-delay" );
 992     if( i_delay != 0 )
 993         var_SetTime( p_input, "spu-delay", (mtime_t)i_delay * 100000 );
 994
 995     /* Look for and add subtitle files */
 996     unsigned i_flags = SUB_FORCED;
 997
 998     char *psz_subtitle = var_GetNonEmptyString( p_input, "sub-file" );
 999     if( psz_subtitle != NULL )
1000     {
1001         msg_Dbg( p_input, "forced subtitle: %s", psz_subtitle );
1002         SubtitleAdd( p_input, psz_subtitle, i_flags );
1003         i_flags = SUB_NOFLAG;
1004     }
1005
1006     if( var_GetBool( p_input, "sub-autodetect-file" ) )
1007     {
1008         char *psz_autopath = var_GetNonEmptyString( p_input, "sub-autodetect-path" );
1009         char **ppsz_subs = subtitles_Detect( p_input, psz_autopath,
1010                                              p_input->p->p_item->psz_uri );
1011         free( psz_autopath );
1012
1013         for( int i = 0; ppsz_subs && ppsz_subs[i]; i++ )
1014         {
1015             if( !psz_subtitle || strcmp( psz_subtitle, ppsz_subs[i] ) )
1016             {
1017                 i_flags |= SUB_CANFAIL;
1018                 SubtitleAdd( p_input, ppsz_subs[i], i_flags );
1019                 i_flags = SUB_NOFLAG;
1020             }
1021
1022             free( ppsz_subs[i] );
1023         }
1024         free( ppsz_subs );
1025     }
1026     free( psz_subtitle );
1027
1028     /* Load subtitles from attachments */
1029     int i_attachment = 0;
1030     input_attachment_t **pp_attachment = NULL;
1031
1032     vlc_mutex_lock( &p_input->p->p_item->lock );
1033     for( int i = 0; i < p_input->p->i_attachment; i++ )
1034     {
1035         const input_attachment_t *a = p_input->p->attachment[i];
1036         if( !strcmp( a->psz_mime, "application/x-srt" ) )
1037             TAB_APPEND( i_attachment, pp_attachment,
1038                         vlc_input_attachment_New( a->psz_name, NULL,
1039                                                   a->psz_description, NULL, 0 ) );
1040     }
1041     vlc_mutex_unlock( &p_input->p->p_item->lock );
1042
1043     if( i_attachment > 0 )
1044         var_Create( p_input, "sub-description", VLC_VAR_STRING );
1045     for( int i = 0; i < i_attachment; i++ )
1046     {
1047         input_attachment_t *a = pp_attachment[i];
1048         if( !a )
1049             continue;
1050         char *psz_mrl;
1051         if( a->psz_name[i] &&
1052             asprintf( &psz_mrl, "attachment://%s", a->psz_name ) >= 0 )
1053         {
1054             var_SetString( p_input, "sub-description", a->psz_description ? a->psz_description : "");
1055
1056             SubtitleAdd( p_input, psz_mrl, i_flags );
1057
1058             i_flags = SUB_NOFLAG;
1059             free( psz_mrl );
1060         }
1061         vlc_input_attachment_Delete( a );
1062     }
1063     free( pp_attachment );
1064     if( i_attachment > 0 )
1065         var_Destroy( p_input, "sub-description" );
1066 }
1067
1068 static void LoadSlaves( input_thread_t *p_input )
1069 {
1070     char *psz = var_GetNonEmptyString( p_input, "input-slave" );
1071     if( !psz )
1072         return;
1073
1074     char *psz_org = psz;
1075     while( psz && *psz )
1076     {
1077         while( *psz == ' ' || *psz == '#' )
1078             psz++;
1079
1080         char *psz_delim = strchr( psz, '#' );
1081         if( psz_delim )
1082             *psz_delim++ = '\0';
1083
1084         if( *psz == 0 )
1085             break;
1086
1087         char *uri = strstr(psz, "://")
1088                                    ? strdup( psz ) : vlc_path2uri( psz, NULL );
1089         psz = psz_delim;
1090         if( uri == NULL )
1091             continue;
1092         msg_Dbg( p_input, "adding slave input '%s'", uri );
1093
1094         input_source_t *p_slave = InputSourceNew( p_input );
1095         if( p_slave && !InputSourceInit( p_input, p_slave, uri, NULL, false ) )
1096             TAB_APPEND( p_input->p->i_slave, p_input->p->slave, p_slave );
1097         else
1098             free( p_slave );
1099         free( uri );
1100     }
1101     free( psz_org );
1102 }
1103
1104 static void UpdatePtsDelay( input_thread_t *p_input )
1105 {
1106     input_thread_private_t *p_sys = p_input->p;
1107
1108     /* Get max pts delay from input source */
1109     mtime_t i_pts_delay = p_sys->input.i_pts_delay;
1110     for( int i = 0; i < p_sys->i_slave; i++ )
1111         i_pts_delay = __MAX( i_pts_delay, p_sys->slave[i]->i_pts_delay );
1112
1113     if( i_pts_delay < 0 )
1114         i_pts_delay = 0;
1115
1116     /* Take care of audio/spu delay */
1117     const mtime_t i_audio_delay = var_GetTime( p_input, "audio-delay" );
1118     const mtime_t i_spu_delay   = var_GetTime( p_input, "spu-delay" );
1119     const mtime_t i_extra_delay = __MIN( i_audio_delay, i_spu_delay );
1120     if( i_extra_delay < 0 )
1121         i_pts_delay -= i_extra_delay;
1122
1123     /* Update cr_average depending on the caching */
1124     const int i_cr_average = var_GetInteger( p_input, "cr-average" ) * i_pts_delay / DEFAULT_PTS_DELAY;
1125
1126     /* */
1127     es_out_SetDelay( p_input->p->p_es_out_display, AUDIO_ES, i_audio_delay );
1128     es_out_SetDelay( p_input->p->p_es_out_display, SPU_ES, i_spu_delay );
1129     es_out_SetJitter( p_input->p->p_es_out, i_pts_delay, 0, i_cr_average );
1130 }
1131
1132 static void InitPrograms( input_thread_t * p_input )
1133 {
1134     int i_es_out_mode;
1135     vlc_list_t list;
1136
1137     /* Compute correct pts_delay */
1138     UpdatePtsDelay( p_input );
1139
1140     /* Set up es_out */
1141     i_es_out_mode = ES_OUT_MODE_AUTO;
1142     if( p_input->p->p_sout )
1143     {
1144         char *prgms;
1145
1146         if( var_GetBool( p_input, "sout-all" ) )
1147         {
1148             i_es_out_mode = ES_OUT_MODE_ALL;
1149         }
1150         else
1151         if( (prgms = var_GetNonEmptyString( p_input, "programs" )) != NULL )
1152         {
1153             char *buf;
1154
1155             TAB_INIT( list.i_count, list.p_values );
1156             for( const char *prgm = strtok_r( prgms, ",", &buf );
1157                  prgm != NULL;
1158                  prgm = strtok_r( NULL, ",", &buf ) )
1159             {
1160                 vlc_value_t val = { .i_int = atoi( prgm ) };
1161                 INSERT_ELEM( list.p_values, list.i_count, list.i_count, val );
1162             }
1163
1164             if( list.i_count > 0 )
1165                 i_es_out_mode = ES_OUT_MODE_PARTIAL;
1166                 /* Note : we should remove the "program" callback. */
1167
1168             free( prgms );
1169         }
1170     }
1171     es_out_SetMode( p_input->p->p_es_out, i_es_out_mode );
1172
1173     /* Inform the demuxer about waited group (needed only for DVB) */
1174     if( i_es_out_mode == ES_OUT_MODE_ALL )
1175     {
1176         demux_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, -1, NULL );
1177     }
1178     else if( i_es_out_mode == ES_OUT_MODE_PARTIAL )
1179     {
1180         demux_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, -1,
1181                        &list );
1182         TAB_CLEAN( list.i_count, list.p_values );
1183     }
1184     else
1185     {
1186         demux_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP,
1187                        es_out_GetGroupForced( p_input->p->p_es_out ), NULL );
1188     }
1189 }
1190
1191 static int Init( input_thread_t * p_input )
1192 {
1193     vlc_meta_t *p_meta;
1194     int i;
1195
1196     for( i = 0; i < p_input->p->p_item->i_options; i++ )
1197     {
1198         if( !strncmp( p_input->p->p_item->ppsz_options[i], "meta-file", 9 ) )
1199         {
1200             msg_Dbg( p_input, "Input is a meta file: disabling unneeded options" );
1201             var_SetString( p_input, "sout", "" );
1202             var_SetBool( p_input, "sout-all", false );
1203             var_SetString( p_input, "input-slave", "" );
1204             var_SetInteger( p_input, "input-repeat", 0 );
1205             var_SetString( p_input, "sub-file", "" );
1206             var_SetBool( p_input, "sub-autodetect-file", false );
1207         }
1208     }
1209
1210     InitStatistics( p_input );
1211 #ifdef ENABLE_SOUT
1212     if( InitSout( p_input ) )
1213         goto error;
1214 #endif
1215
1216     /* Create es out */
1217     p_input->p->p_es_out = input_EsOutTimeshiftNew( p_input, p_input->p->p_es_out_display, p_input->p->i_rate );
1218
1219     /* */
1220     input_ChangeState( p_input, OPENING_S );
1221     input_SendEventCache( p_input, 0.0 );
1222
1223     /* */
1224     if( InputSourceInit( p_input, &p_input->p->input,
1225                          p_input->p->p_item->psz_uri, NULL, false ) )
1226     {
1227         goto error;
1228     }
1229
1230     InitTitle( p_input );
1231
1232     /* Load master infos */
1233     /* Init length */
1234     mtime_t i_length;
1235     if( demux_Control( p_input->p->input.p_demux, DEMUX_GET_LENGTH,
1236                          &i_length ) )
1237         i_length = 0;
1238     if( i_length <= 0 )
1239         i_length = input_item_GetDuration( p_input->p->p_item );
1240     input_SendEventLength( p_input, i_length );
1241
1242     input_SendEventPosition( p_input, 0.0, 0 );
1243
1244     if( !p_input->b_preparsing )
1245     {
1246         StartTitle( p_input );
1247         LoadSubtitles( p_input );
1248         LoadSlaves( p_input );
1249         InitPrograms( p_input );
1250
1251         double f_rate = var_InheritFloat( p_input, "rate" );
1252         if( f_rate != 0.0 && f_rate != 1.0 )
1253         {
1254             vlc_value_t val = { .i_int = INPUT_RATE_DEFAULT / f_rate };
1255             input_ControlPush( p_input, INPUT_CONTROL_SET_RATE, &val );
1256         }
1257     }
1258
1259     if( !p_input->b_preparsing && p_input->p->p_sout )
1260     {
1261         p_input->p->b_out_pace_control = (p_input->p->p_sout->i_out_pace_nocontrol > 0);
1262
1263         if( p_input->p->b_can_pace_control && p_input->p->b_out_pace_control )
1264         {
1265             /* We don't want a high input priority here or we'll
1266              * end-up sucking up all the CPU time */
1267             vlc_set_priority( p_input->p->thread, VLC_THREAD_PRIORITY_LOW );
1268         }
1269
1270         msg_Dbg( p_input, "starting in %s mode",
1271                  p_input->p->b_out_pace_control ? "async" : "sync" );
1272     }
1273
1274     p_meta = vlc_meta_New();
1275     if( p_meta )
1276     {
1277         /* Get meta data from users */
1278         InputMetaUser( p_input, p_meta );
1279
1280         /* Get meta data from master input */
1281         InputSourceMeta( p_input, &p_input->p->input, p_meta );
1282
1283         /* And from slave */
1284         for( int i = 0; i < p_input->p->i_slave; i++ )
1285             InputSourceMeta( p_input, p_input->p->slave[i], p_meta );
1286
1287         /* */
1288         InputUpdateMeta( p_input, p_meta );
1289     }
1290
1291     msg_Dbg( p_input, "`%s' successfully opened",
1292              p_input->p->p_item->psz_uri );
1293
1294     /* initialization is complete */
1295     input_ChangeState( p_input, PLAYING_S );
1296
1297     return VLC_SUCCESS;
1298
1299 error:
1300     input_ChangeState( p_input, ERROR_S );
1301
1302     if( p_input->p->p_es_out )
1303         es_out_Delete( p_input->p->p_es_out );
1304     es_out_SetMode( p_input->p->p_es_out_display, ES_OUT_MODE_END );
1305     if( p_input->p->p_resource )
1306     {
1307         if( p_input->p->p_sout )
1308             input_resource_RequestSout( p_input->p->p_resource,
1309                                          p_input->p->p_sout, NULL );
1310         input_resource_SetInput( p_input->p->p_resource, NULL );
1311         if( p_input->p->p_resource_private )
1312             input_resource_Terminate( p_input->p->p_resource_private );
1313     }
1314
1315     if( !p_input->b_preparsing && libvlc_stats( p_input ) )
1316     {
1317 #define EXIT_COUNTER( c ) do { if( p_input->p->counters.p_##c ) \
1318                                    stats_CounterClean( p_input->p->counters.p_##c );\
1319                                p_input->p->counters.p_##c = NULL; } while(0)
1320         EXIT_COUNTER( read_bytes );
1321         EXIT_COUNTER( read_packets );
1322         EXIT_COUNTER( demux_read );
1323         EXIT_COUNTER( input_bitrate );
1324         EXIT_COUNTER( demux_bitrate );
1325         EXIT_COUNTER( demux_corrupted );
1326         EXIT_COUNTER( demux_discontinuity );
1327         EXIT_COUNTER( played_abuffers );
1328         EXIT_COUNTER( lost_abuffers );
1329         EXIT_COUNTER( displayed_pictures );
1330         EXIT_COUNTER( lost_pictures );
1331         EXIT_COUNTER( decoded_audio );
1332         EXIT_COUNTER( decoded_video );
1333         EXIT_COUNTER( decoded_sub );
1334
1335         if( p_input->p->p_sout )
1336         {
1337             EXIT_COUNTER( sout_sent_packets );
1338             EXIT_COUNTER( sout_sent_bytes );
1339             EXIT_COUNTER( sout_send_bitrate );
1340         }
1341 #undef EXIT_COUNTER
1342     }
1343
1344     /* Mark them deleted */
1345     p_input->p->input.p_demux = NULL;
1346     p_input->p->input.p_stream = NULL;
1347     p_input->p->input.p_access = NULL;
1348     p_input->p->p_es_out = NULL;
1349     p_input->p->p_sout = NULL;
1350
1351     return VLC_EGENERIC;
1352 }
1353
1354 /*****************************************************************************
1355  * End: end the input thread
1356  *****************************************************************************/
1357 static void End( input_thread_t * p_input )
1358 {
1359     int i;
1360
1361     /* We are at the end */
1362     input_ChangeState( p_input, END_S );
1363
1364     /* Clean control variables */
1365     input_ControlVarStop( p_input );
1366
1367     /* Stop es out activity */
1368     es_out_SetMode( p_input->p->p_es_out, ES_OUT_MODE_NONE );
1369
1370     /* Clean up master */
1371     InputSourceClean( &p_input->p->input );
1372
1373     /* Delete slave */
1374     for( i = 0; i < p_input->p->i_slave; i++ )
1375     {
1376         InputSourceClean( p_input->p->slave[i] );
1377         free( p_input->p->slave[i] );
1378     }
1379     free( p_input->p->slave );
1380
1381     /* Unload all modules */
1382     if( p_input->p->p_es_out )
1383         es_out_Delete( p_input->p->p_es_out );
1384     es_out_SetMode( p_input->p->p_es_out_display, ES_OUT_MODE_END );
1385
1386     if( !p_input->b_preparsing )
1387     {
1388 #define CL_CO( c ) stats_CounterClean( p_input->p->counters.p_##c ); p_input->p->counters.p_##c = NULL;
1389         if( libvlc_stats( p_input ) )
1390         {
1391             /* make sure we are up to date */
1392             stats_ComputeInputStats( p_input, p_input->p->p_item->p_stats );
1393             CL_CO( read_bytes );
1394             CL_CO( read_packets );
1395             CL_CO( demux_read );
1396             CL_CO( input_bitrate );
1397             CL_CO( demux_bitrate );
1398             CL_CO( demux_corrupted );
1399             CL_CO( demux_discontinuity );
1400             CL_CO( played_abuffers );
1401             CL_CO( lost_abuffers );
1402             CL_CO( displayed_pictures );
1403             CL_CO( lost_pictures );
1404             CL_CO( decoded_audio) ;
1405             CL_CO( decoded_video );
1406             CL_CO( decoded_sub) ;
1407         }
1408
1409         /* Close optional stream output instance */
1410         if( p_input->p->p_sout )
1411         {
1412             CL_CO( sout_sent_packets );
1413             CL_CO( sout_sent_bytes );
1414             CL_CO( sout_send_bitrate );
1415         }
1416 #undef CL_CO
1417     }
1418
1419     vlc_mutex_lock( &p_input->p->p_item->lock );
1420     if( p_input->p->i_attachment > 0 )
1421     {
1422         for( i = 0; i < p_input->p->i_attachment; i++ )
1423             vlc_input_attachment_Delete( p_input->p->attachment[i] );
1424         TAB_CLEAN( p_input->p->i_attachment, p_input->p->attachment );
1425     }
1426     vlc_mutex_unlock( &p_input->p->p_item->lock );
1427
1428     /* */
1429     input_resource_RequestSout( p_input->p->p_resource,
1430                                  p_input->p->p_sout, NULL );
1431     input_resource_SetInput( p_input->p->p_resource, NULL );
1432     if( p_input->p->p_resource_private )
1433         input_resource_Terminate( p_input->p->p_resource_private );
1434 }
1435
1436 /*****************************************************************************
1437  * Control
1438  *****************************************************************************/
1439 void input_ControlPush( input_thread_t *p_input,
1440                         int i_type, vlc_value_t *p_val )
1441 {
1442     vlc_mutex_lock( &p_input->p->lock_control );
1443     if( i_type == INPUT_CONTROL_SET_DIE )
1444     {
1445         /* Special case, empty the control */
1446         for( int i = 0; i < p_input->p->i_control; i++ )
1447         {
1448             input_control_t *p_ctrl = &p_input->p->control[i];
1449             ControlRelease( p_ctrl->i_type, p_ctrl->val );
1450         }
1451         p_input->p->i_control = 0;
1452     }
1453
1454     if( p_input->p->i_control >= INPUT_CONTROL_FIFO_SIZE )
1455     {
1456         msg_Err( p_input, "input control fifo overflow, trashing type=%d",
1457                  i_type );
1458         if( p_val )
1459             ControlRelease( i_type, *p_val );
1460     }
1461     else
1462     {
1463         input_control_t c;
1464         c.i_type = i_type;
1465         if( p_val )
1466             c.val = *p_val;
1467         else
1468             memset( &c.val, 0, sizeof(c.val) );
1469
1470         p_input->p->control[p_input->p->i_control++] = c;
1471     }
1472     vlc_cond_signal( &p_input->p->wait_control );
1473     vlc_mutex_unlock( &p_input->p->lock_control );
1474 }
1475
1476 static int ControlGetReducedIndexLocked( input_thread_t *p_input )
1477 {
1478     const int i_lt = p_input->p->control[0].i_type;
1479     int i;
1480     for( i = 1; i < p_input->p->i_control; i++ )
1481     {
1482         const int i_ct = p_input->p->control[i].i_type;
1483
1484         if( i_lt == i_ct &&
1485             ( i_ct == INPUT_CONTROL_SET_STATE ||
1486               i_ct == INPUT_CONTROL_SET_RATE ||
1487               i_ct == INPUT_CONTROL_SET_POSITION ||
1488               i_ct == INPUT_CONTROL_SET_TIME ||
1489               i_ct == INPUT_CONTROL_SET_PROGRAM ||
1490               i_ct == INPUT_CONTROL_SET_TITLE ||
1491               i_ct == INPUT_CONTROL_SET_SEEKPOINT ||
1492               i_ct == INPUT_CONTROL_SET_BOOKMARK ) )
1493         {
1494             continue;
1495         }
1496         else
1497         {
1498             /* TODO but that's not that important
1499                 - merge SET_X with SET_X_CMD
1500                 - ignore SET_SEEKPOINT/SET_POSITION/SET_TIME before a SET_TITLE
1501                 - ignore SET_SEEKPOINT/SET_POSITION/SET_TIME before another among them
1502                 - ?
1503                 */
1504             break;
1505         }
1506     }
1507     return i - 1;
1508 }
1509
1510
1511 static inline int ControlPop( input_thread_t *p_input,
1512                               int *pi_type, vlc_value_t *p_val,
1513                               mtime_t i_deadline, bool b_postpone_seek )
1514 {
1515     input_thread_private_t *p_sys = p_input->p;
1516
1517     vlc_mutex_lock( &p_sys->lock_control );
1518     while( p_sys->i_control <= 0 ||
1519            ( b_postpone_seek && ControlIsSeekRequest( p_sys->control[0].i_type ) ) )
1520     {
1521         if( !vlc_object_alive( p_input ) || i_deadline < 0 )
1522         {
1523             vlc_mutex_unlock( &p_sys->lock_control );
1524             return VLC_EGENERIC;
1525         }
1526
1527         if( vlc_cond_timedwait( &p_sys->wait_control, &p_sys->lock_control,
1528                                 i_deadline ) )
1529         {
1530             vlc_mutex_unlock( &p_sys->lock_control );
1531             return VLC_EGENERIC;
1532         }
1533     }
1534
1535     /* */
1536     const int i_index = ControlGetReducedIndexLocked( p_input );
1537
1538     /* */
1539     *pi_type = p_sys->control[i_index].i_type;
1540     *p_val   = p_sys->control[i_index].val;
1541
1542     p_sys->i_control -= i_index + 1;
1543     if( p_sys->i_control > 0 )
1544         memmove( &p_sys->control[0], &p_sys->control[i_index+1],
1545                  sizeof(*p_sys->control) * p_sys->i_control );
1546     vlc_mutex_unlock( &p_sys->lock_control );
1547
1548     return VLC_SUCCESS;
1549 }
1550 static bool ControlIsSeekRequest( int i_type )
1551 {
1552     switch( i_type )
1553     {
1554     case INPUT_CONTROL_SET_POSITION:
1555     case INPUT_CONTROL_SET_TIME:
1556     case INPUT_CONTROL_SET_TITLE:
1557     case INPUT_CONTROL_SET_TITLE_NEXT:
1558     case INPUT_CONTROL_SET_TITLE_PREV:
1559     case INPUT_CONTROL_SET_SEEKPOINT:
1560     case INPUT_CONTROL_SET_SEEKPOINT_NEXT:
1561     case INPUT_CONTROL_SET_SEEKPOINT_PREV:
1562     case INPUT_CONTROL_SET_BOOKMARK:
1563     case INPUT_CONTROL_NAV_ACTIVATE:
1564     case INPUT_CONTROL_NAV_UP:
1565     case INPUT_CONTROL_NAV_DOWN:
1566     case INPUT_CONTROL_NAV_LEFT:
1567     case INPUT_CONTROL_NAV_RIGHT:
1568         return true;
1569     default:
1570         return false;
1571     }
1572 }
1573
1574 static void ControlRelease( int i_type, vlc_value_t val )
1575 {
1576     switch( i_type )
1577     {
1578     case INPUT_CONTROL_ADD_SUBTITLE:
1579     case INPUT_CONTROL_ADD_SLAVE:
1580         free( val.psz_string );
1581         break;
1582
1583     default:
1584         break;
1585     }
1586 }
1587
1588 /* Pause input */
1589 static void ControlPause( input_thread_t *p_input, mtime_t i_control_date )
1590 {
1591     int i_ret = VLC_SUCCESS;
1592     int i_state = PAUSE_S;
1593
1594     if( p_input->p->b_can_pause )
1595     {
1596         if( p_input->p->input.p_stream != NULL )
1597             i_ret = stream_Control( p_input->p->input.p_stream,
1598                                     STREAM_SET_PAUSE_STATE, true );
1599         else
1600             i_ret = demux_Control( p_input->p->input.p_demux,
1601                                    DEMUX_SET_PAUSE_STATE, true );
1602
1603         if( i_ret )
1604         {
1605             msg_Warn( p_input, "cannot set pause state" );
1606             return;
1607         }
1608     }
1609
1610     /* */
1611     i_ret = es_out_SetPauseState( p_input->p->p_es_out,
1612                                   p_input->p->b_can_pause, true,
1613                                   i_control_date );
1614     if( i_ret )
1615     {
1616         msg_Warn( p_input, "cannot set pause state at es_out level" );
1617         return;
1618     }
1619
1620     /* Switch to new state */
1621     input_ChangeState( p_input, i_state );
1622 }
1623
1624 static void ControlUnpause( input_thread_t *p_input, mtime_t i_control_date )
1625 {
1626     int i_ret = VLC_SUCCESS;
1627
1628     if( p_input->p->b_can_pause )
1629     {
1630         if( p_input->p->input.p_stream )
1631             i_ret = stream_Control( p_input->p->input.p_stream,
1632                                     STREAM_SET_PAUSE_STATE, false );
1633         else
1634             i_ret = demux_Control( p_input->p->input.p_demux,
1635                                    DEMUX_SET_PAUSE_STATE, false );
1636         if( i_ret )
1637         {
1638             /* FIXME What to do ? */
1639             msg_Warn( p_input, "cannot unset pause -> EOF" );
1640             input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
1641         }
1642     }
1643
1644     /* Switch to play */
1645     input_ChangeState( p_input, PLAYING_S );
1646
1647     /* */
1648     if( !i_ret )
1649         es_out_SetPauseState( p_input->p->p_es_out, false, false, i_control_date );
1650 }
1651
1652 static bool Control( input_thread_t *p_input,
1653                      int i_type, vlc_value_t val )
1654 {
1655     const mtime_t i_control_date = mdate();
1656     /* FIXME b_force_update is abused, it should be carefully checked */
1657     bool b_force_update = false;
1658
1659     if( !p_input )
1660         return b_force_update;
1661
1662     switch( i_type )
1663     {
1664         case INPUT_CONTROL_SET_DIE:
1665             msg_Dbg( p_input, "control: stopping input" );
1666
1667             /* Mark all submodules to die */
1668             ObjectKillChildrens( VLC_OBJECT(p_input) );
1669             break;
1670
1671         case INPUT_CONTROL_SET_POSITION:
1672         {
1673             double f_pos;
1674
1675             if( p_input->p->b_recording )
1676             {
1677                 msg_Err( p_input, "INPUT_CONTROL_SET_POSITION(_OFFSET) ignored while recording" );
1678                 break;
1679             }
1680             f_pos = val.f_float;
1681             if( i_type != INPUT_CONTROL_SET_POSITION )
1682                 f_pos += var_GetFloat( p_input, "position" );
1683             if( f_pos < 0.0 )
1684                 f_pos = 0.0;
1685             else if( f_pos > 1.0 )
1686                 f_pos = 1.0;
1687             /* Reset the decoders states and clock sync (before calling the demuxer */
1688             es_out_SetTime( p_input->p->p_es_out, -1 );
1689             if( demux_Control( p_input->p->input.p_demux, DEMUX_SET_POSITION,
1690                                 f_pos, !p_input->p->b_fast_seek ) )
1691             {
1692                 msg_Err( p_input, "INPUT_CONTROL_SET_POSITION(_OFFSET) "
1693                          "%2.1f%% failed", f_pos * 100 );
1694             }
1695             else
1696             {
1697                 if( p_input->p->i_slave > 0 )
1698                     SlaveSeek( p_input );
1699                 p_input->p->input.b_eof = false;
1700
1701                 b_force_update = true;
1702             }
1703             break;
1704         }
1705
1706         case INPUT_CONTROL_SET_TIME:
1707         {
1708             int64_t i_time;
1709             int i_ret;
1710
1711             if( p_input->p->b_recording )
1712             {
1713                 msg_Err( p_input, "INPUT_CONTROL_SET_TIME(_OFFSET) ignored while recording" );
1714                 break;
1715             }
1716
1717             i_time = val.i_time;
1718             if( i_type != INPUT_CONTROL_SET_TIME )
1719                 i_time += var_GetTime( p_input, "time" );
1720
1721             if( i_time < 0 )
1722                 i_time = 0;
1723
1724             /* Reset the decoders states and clock sync (before calling the demuxer */
1725             es_out_SetTime( p_input->p->p_es_out, -1 );
1726
1727             i_ret = demux_Control( p_input->p->input.p_demux,
1728                                    DEMUX_SET_TIME, i_time,
1729                                    !p_input->p->b_fast_seek );
1730             if( i_ret )
1731             {
1732                 int64_t i_length;
1733
1734                 /* Emulate it with a SET_POS */
1735                 if( !demux_Control( p_input->p->input.p_demux,
1736                                     DEMUX_GET_LENGTH, &i_length ) && i_length > 0 )
1737                 {
1738                     double f_pos = (double)i_time / (double)i_length;
1739                     i_ret = demux_Control( p_input->p->input.p_demux,
1740                                             DEMUX_SET_POSITION, f_pos,
1741                                             !p_input->p->b_fast_seek );
1742                 }
1743             }
1744             if( i_ret )
1745             {
1746                 msg_Warn( p_input, "INPUT_CONTROL_SET_TIME(_OFFSET) %"PRId64
1747                          " failed or not possible", i_time );
1748             }
1749             else
1750             {
1751                 if( p_input->p->i_slave > 0 )
1752                     SlaveSeek( p_input );
1753                 p_input->p->input.b_eof = false;
1754
1755                 b_force_update = true;
1756             }
1757             break;
1758         }
1759
1760         case INPUT_CONTROL_SET_STATE:
1761             if( val.i_int != PLAYING_S && val.i_int != PAUSE_S )
1762                 msg_Err( p_input, "invalid state in INPUT_CONTROL_SET_STATE" );
1763             else if( p_input->p->i_state == PAUSE_S )
1764             {
1765                 ControlUnpause( p_input, i_control_date );
1766
1767                 b_force_update = true;
1768             }
1769             else if( val.i_int == PAUSE_S && p_input->p->i_state == PLAYING_S /* &&
1770                      p_input->p->b_can_pause */ )
1771             {
1772                 ControlPause( p_input, i_control_date );
1773
1774                 b_force_update = true;
1775             }
1776             else if( val.i_int == PAUSE_S && !p_input->p->b_can_pause && 0 )
1777             {
1778                 b_force_update = true;
1779
1780                 /* Correct "state" value */
1781                 input_ChangeState( p_input, p_input->p->i_state );
1782             }
1783             break;
1784
1785         case INPUT_CONTROL_SET_RATE:
1786         {
1787             /* Get rate and direction */
1788             int i_rate = abs( val.i_int );
1789             int i_rate_sign = val.i_int < 0 ? -1 : 1;
1790
1791             /* Check rate bound */
1792             if( i_rate < INPUT_RATE_MIN )
1793             {
1794                 msg_Dbg( p_input, "cannot set rate faster" );
1795                 i_rate = INPUT_RATE_MIN;
1796             }
1797             else if( i_rate > INPUT_RATE_MAX )
1798             {
1799                 msg_Dbg( p_input, "cannot set rate slower" );
1800                 i_rate = INPUT_RATE_MAX;
1801             }
1802
1803             /* Apply direction */
1804             if( i_rate_sign < 0 )
1805             {
1806                 if( p_input->p->input.b_rescale_ts )
1807                 {
1808                     msg_Dbg( p_input, "cannot set negative rate" );
1809                     i_rate = p_input->p->i_rate;
1810                     assert( i_rate > 0 );
1811                 }
1812                 else
1813                 {
1814                     i_rate *= i_rate_sign;
1815                 }
1816             }
1817
1818             if( i_rate != INPUT_RATE_DEFAULT &&
1819                 ( ( !p_input->p->b_can_rate_control && !p_input->p->input.b_rescale_ts ) ||
1820                   ( p_input->p->p_sout && !p_input->p->b_out_pace_control ) ) )
1821             {
1822                 msg_Dbg( p_input, "cannot change rate" );
1823                 i_rate = INPUT_RATE_DEFAULT;
1824             }
1825             if( i_rate != p_input->p->i_rate &&
1826                 !p_input->p->b_can_pace_control && p_input->p->b_can_rate_control )
1827             {
1828                 int i_ret;
1829                 if( p_input->p->input.p_access )
1830                 {
1831                     i_ret = VLC_EGENERIC;
1832                 }
1833                 else
1834                 {
1835                     if( !p_input->p->input.b_rescale_ts )
1836                         es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1837
1838                     i_ret = demux_Control( p_input->p->input.p_demux,
1839                                             DEMUX_SET_RATE, &i_rate );
1840                 }
1841                 if( i_ret )
1842                 {
1843                     msg_Warn( p_input, "ACCESS/DEMUX_SET_RATE failed" );
1844                     i_rate = p_input->p->i_rate;
1845                 }
1846             }
1847
1848             /* */
1849             if( i_rate != p_input->p->i_rate )
1850             {
1851                 p_input->p->i_rate = i_rate;
1852                 input_SendEventRate( p_input, i_rate );
1853
1854                 if( p_input->p->input.b_rescale_ts )
1855                 {
1856                     const int i_rate_source = (p_input->p->b_can_pace_control || p_input->p->b_can_rate_control ) ? i_rate : INPUT_RATE_DEFAULT;
1857                     es_out_SetRate( p_input->p->p_es_out, i_rate_source, i_rate );
1858                 }
1859
1860                 b_force_update = true;
1861             }
1862             break;
1863         }
1864
1865         case INPUT_CONTROL_SET_PROGRAM:
1866             /* No need to force update, es_out does it if needed */
1867             es_out_Control( p_input->p->p_es_out,
1868                             ES_OUT_SET_GROUP, val.i_int );
1869
1870             demux_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, val.i_int,
1871                             NULL );
1872             break;
1873
1874         case INPUT_CONTROL_SET_ES:
1875             /* No need to force update, es_out does it if needed */
1876             es_out_Control( p_input->p->p_es_out_display, ES_OUT_SET_ES_BY_ID, val.i_int );
1877             break;
1878
1879         case INPUT_CONTROL_RESTART_ES:
1880             es_out_Control( p_input->p->p_es_out_display, ES_OUT_RESTART_ES_BY_ID, val.i_int );
1881             break;
1882
1883         case INPUT_CONTROL_SET_AUDIO_DELAY:
1884             input_SendEventAudioDelay( p_input, val.i_time );
1885             UpdatePtsDelay( p_input );
1886             break;
1887
1888         case INPUT_CONTROL_SET_SPU_DELAY:
1889             input_SendEventSubtitleDelay( p_input, val.i_time );
1890             UpdatePtsDelay( p_input );
1891             break;
1892
1893         case INPUT_CONTROL_SET_TITLE:
1894         case INPUT_CONTROL_SET_TITLE_NEXT:
1895         case INPUT_CONTROL_SET_TITLE_PREV:
1896         {
1897             if( p_input->p->b_recording )
1898             {
1899                 msg_Err( p_input, "INPUT_CONTROL_SET_TITLE(*) ignored while recording" );
1900                 break;
1901             }
1902             if( p_input->p->input.i_title <= 0 )
1903                 break;
1904
1905             int i_title = p_input->p->input.b_title_demux
1906                         ? p_input->p->input.p_demux->info.i_title
1907                         : p_input->p->input.p_access->info.i_title;
1908             if( i_type == INPUT_CONTROL_SET_TITLE_PREV )
1909                 i_title--;
1910             else if( i_type == INPUT_CONTROL_SET_TITLE_NEXT )
1911                 i_title++;
1912             else
1913                 i_title = val.i_int;
1914             if( i_title < 0 || i_title >= p_input->p->input.i_title )
1915                 break;
1916
1917             es_out_SetTime( p_input->p->p_es_out, -1 );
1918             if( p_input->p->input.b_title_demux )
1919                 demux_Control( p_input->p->input.p_demux,
1920                                DEMUX_SET_TITLE, i_title );
1921             else
1922                 stream_Control( p_input->p->input.p_stream,
1923                                 STREAM_SET_TITLE, i_title );
1924             input_SendEventTitle( p_input, i_title );
1925             break;
1926         }
1927         case INPUT_CONTROL_SET_SEEKPOINT:
1928         case INPUT_CONTROL_SET_SEEKPOINT_NEXT:
1929         case INPUT_CONTROL_SET_SEEKPOINT_PREV:
1930         {
1931             if( p_input->p->b_recording )
1932             {
1933                 msg_Err( p_input, "INPUT_CONTROL_SET_SEEKPOINT(*) ignored while recording" );
1934                 break;
1935             }
1936             if( p_input->p->input.i_title <= 0 )
1937                 break;
1938
1939             int i_title, i_seekpoint;
1940             if( p_input->p->input.b_title_demux )
1941             {
1942                 demux_t *p_demux = p_input->p->input.p_demux;
1943
1944                 i_title = p_demux->info.i_title;
1945                 i_seekpoint = p_demux->info.i_seekpoint;
1946             }
1947             else
1948             {
1949                 access_t *p_access = p_input->p->input.p_access;
1950
1951                 i_title = p_access->info.i_title;
1952                 i_seekpoint = p_access->info.i_seekpoint;
1953             }
1954
1955             if( i_type == INPUT_CONTROL_SET_SEEKPOINT_PREV )
1956             {
1957                 int64_t i_seekpoint_time = p_input->p->input.title[i_title]->seekpoint[i_seekpoint]->i_time_offset;
1958                 int64_t i_input_time = var_GetTime( p_input, "time" );
1959                 if( i_seekpoint_time >= 0 && i_input_time >= 0 )
1960                 {
1961                     if( i_input_time < i_seekpoint_time + 3000000 )
1962                         i_seekpoint--;
1963                 }
1964                 else
1965                     i_seekpoint--;
1966             }
1967             else if( i_type == INPUT_CONTROL_SET_SEEKPOINT_NEXT )
1968                 i_seekpoint++;
1969             else
1970                 i_seekpoint = val.i_int;
1971             if( i_seekpoint < 0
1972              || i_seekpoint >= p_input->p->input.title[i_title]->i_seekpoint )
1973                 break;
1974
1975             es_out_SetTime( p_input->p->p_es_out, -1 );
1976             if( p_input->p->input.b_title_demux )
1977                 demux_Control( p_input->p->input.p_demux,
1978                                DEMUX_SET_SEEKPOINT, i_seekpoint );
1979             else
1980                 stream_Control( p_input->p->input.p_stream,
1981                                 STREAM_SET_SEEKPOINT, i_seekpoint );
1982             input_SendEventSeekpoint( p_input, i_title, i_seekpoint );
1983             break;
1984         }
1985
1986         case INPUT_CONTROL_ADD_SUBTITLE:
1987             if( val.psz_string )
1988                 SubtitleAdd( p_input, val.psz_string, true );
1989             break;
1990
1991         case INPUT_CONTROL_ADD_SLAVE:
1992             if( val.psz_string )
1993             {
1994                 const char *uri = val.psz_string;
1995                 input_source_t *slave = InputSourceNew( p_input );
1996
1997                 if( slave && !InputSourceInit( p_input, slave, uri, NULL, false ) )
1998                 {
1999                     vlc_meta_t *p_meta;
2000                     int64_t i_time;
2001
2002                     /* Add the slave */
2003                     msg_Dbg( p_input, "adding %s as slave on the fly", uri );
2004
2005                     /* Set position */
2006                     if( demux_Control( p_input->p->input.p_demux,
2007                                         DEMUX_GET_TIME, &i_time ) )
2008                     {
2009                         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
2010                         InputSourceClean( slave );
2011                         free( slave );
2012                         break;
2013                     }
2014                     if( demux_Control( slave->p_demux,
2015                                        DEMUX_SET_TIME, i_time, true ) )
2016                     {
2017                         msg_Err( p_input, "seek failed for new slave" );
2018                         InputSourceClean( slave );
2019                         free( slave );
2020                         break;
2021                     }
2022
2023                     /* Get meta (access and demux) */
2024                     p_meta = vlc_meta_New();
2025                     if( p_meta )
2026                     {
2027                         access_Control( slave->p_access, ACCESS_GET_META, p_meta );
2028                         demux_Control( slave->p_demux, DEMUX_GET_META, p_meta );
2029                         InputUpdateMeta( p_input, p_meta );
2030                     }
2031
2032                     TAB_APPEND( p_input->p->i_slave, p_input->p->slave, slave );
2033                 }
2034                 else
2035                 {
2036                     free( slave );
2037                     msg_Warn( p_input, "failed to add %s as slave", uri );
2038                 }
2039             }
2040             break;
2041
2042         case INPUT_CONTROL_SET_RECORD_STATE:
2043             if( !!p_input->p->b_recording != !!val.b_bool )
2044             {
2045                 if( p_input->p->input.b_can_stream_record )
2046                 {
2047                     if( demux_Control( p_input->p->input.p_demux,
2048                                        DEMUX_SET_RECORD_STATE, val.b_bool ) )
2049                         val.b_bool = false;
2050                 }
2051                 else
2052                 {
2053                     if( es_out_SetRecordState( p_input->p->p_es_out_display, val.b_bool ) )
2054                         val.b_bool = false;
2055                 }
2056                 p_input->p->b_recording = val.b_bool;
2057
2058                 input_SendEventRecord( p_input, val.b_bool );
2059
2060                 b_force_update = true;
2061             }
2062             break;
2063
2064         case INPUT_CONTROL_SET_FRAME_NEXT:
2065             if( p_input->p->i_state == PAUSE_S )
2066             {
2067                 es_out_SetFrameNext( p_input->p->p_es_out );
2068             }
2069             else if( p_input->p->i_state == PLAYING_S )
2070             {
2071                 ControlPause( p_input, i_control_date );
2072             }
2073             else
2074             {
2075                 msg_Err( p_input, "invalid state for frame next" );
2076             }
2077             b_force_update = true;
2078             break;
2079
2080         case INPUT_CONTROL_SET_BOOKMARK:
2081         {
2082             seekpoint_t bookmark;
2083
2084             bookmark.i_time_offset = -1;
2085             bookmark.i_byte_offset = -1;
2086
2087             vlc_mutex_lock( &p_input->p->p_item->lock );
2088             if( val.i_int >= 0 && val.i_int < p_input->p->i_bookmark )
2089             {
2090                 const seekpoint_t *p_bookmark = p_input->p->pp_bookmark[val.i_int];
2091                 bookmark.i_time_offset = p_bookmark->i_time_offset;
2092                 bookmark.i_byte_offset = p_bookmark->i_byte_offset;
2093             }
2094             vlc_mutex_unlock( &p_input->p->p_item->lock );
2095
2096             if( bookmark.i_time_offset < 0 && bookmark.i_byte_offset < 0 )
2097             {
2098                 msg_Err( p_input, "invalid bookmark %"PRId64, val.i_int );
2099                 break;
2100             }
2101
2102             if( bookmark.i_time_offset >= 0 )
2103             {
2104                 val.i_time = bookmark.i_time_offset;
2105                 b_force_update = Control( p_input, INPUT_CONTROL_SET_TIME, val );
2106             }
2107             else if( bookmark.i_byte_offset >= 0 &&
2108                      p_input->p->input.p_stream )
2109             {
2110                 const uint64_t i_size = stream_Size( p_input->p->input.p_stream );
2111                 if( i_size > 0 && (uint64_t)bookmark.i_byte_offset <= i_size )
2112                 {
2113                     val.f_float = (double)bookmark.i_byte_offset / i_size;
2114                     b_force_update = Control( p_input, INPUT_CONTROL_SET_POSITION, val );
2115                 }
2116             }
2117             break;
2118         }
2119
2120         case INPUT_CONTROL_NAV_ACTIVATE:
2121         case INPUT_CONTROL_NAV_UP:
2122         case INPUT_CONTROL_NAV_DOWN:
2123         case INPUT_CONTROL_NAV_LEFT:
2124         case INPUT_CONTROL_NAV_RIGHT:
2125             demux_Control( p_input->p->input.p_demux, i_type
2126                            - INPUT_CONTROL_NAV_ACTIVATE + DEMUX_NAV_ACTIVATE );
2127             break;
2128
2129         default:
2130             msg_Err( p_input, "not yet implemented" );
2131             break;
2132     }
2133
2134     ControlRelease( i_type, val );
2135     return b_force_update;
2136 }
2137
2138 /*****************************************************************************
2139  * UpdateTitleSeekpoint
2140  *****************************************************************************/
2141 static int UpdateTitleSeekpoint( input_thread_t *p_input,
2142                                  int i_title, int i_seekpoint )
2143 {
2144     int i_title_end = p_input->p->input.i_title_end -
2145                         p_input->p->input.i_title_offset;
2146     int i_seekpoint_end = p_input->p->input.i_seekpoint_end -
2147                             p_input->p->input.i_seekpoint_offset;
2148
2149     if( i_title_end >= 0 && i_seekpoint_end >= 0 )
2150     {
2151         if( i_title > i_title_end ||
2152             ( i_title == i_title_end && i_seekpoint > i_seekpoint_end ) )
2153             return 0;
2154     }
2155     else if( i_seekpoint_end >= 0 )
2156     {
2157         if( i_seekpoint > i_seekpoint_end )
2158             return 0;
2159     }
2160     else if( i_title_end >= 0 )
2161     {
2162         if( i_title > i_title_end )
2163             return 0;
2164     }
2165     return 1;
2166 }
2167 /*****************************************************************************
2168  * Update*FromDemux:
2169  *****************************************************************************/
2170 static int UpdateTitleSeekpointFromDemux( input_thread_t *p_input )
2171 {
2172     demux_t *p_demux = p_input->p->input.p_demux;
2173
2174     /* TODO event-like */
2175     if( p_demux->info.i_update & INPUT_UPDATE_TITLE )
2176     {
2177         input_SendEventTitle( p_input, p_demux->info.i_title );
2178
2179         p_demux->info.i_update &= ~INPUT_UPDATE_TITLE;
2180     }
2181     if( p_demux->info.i_update & INPUT_UPDATE_SEEKPOINT )
2182     {
2183         input_SendEventSeekpoint( p_input,
2184                                   p_demux->info.i_title, p_demux->info.i_seekpoint );
2185
2186         p_demux->info.i_update &= ~INPUT_UPDATE_SEEKPOINT;
2187     }
2188
2189     /* Hmmm only works with master input */
2190     if( p_input->p->input.p_demux == p_demux )
2191         return UpdateTitleSeekpoint( p_input,
2192                                      p_demux->info.i_title,
2193                                      p_demux->info.i_seekpoint );
2194     return 1;
2195 }
2196
2197 static void UpdateGenericFromDemux( input_thread_t *p_input )
2198 {
2199     demux_t *p_demux = p_input->p->input.p_demux;
2200
2201     if( p_demux->info.i_update & INPUT_UPDATE_META )
2202     {
2203         vlc_meta_t *p_meta = vlc_meta_New();
2204         if( p_meta )
2205         {
2206             demux_Control( p_input->p->input.p_demux, DEMUX_GET_META, p_meta );
2207             InputUpdateMeta( p_input, p_meta );
2208         }
2209         p_demux->info.i_update &= ~INPUT_UPDATE_META;
2210     }
2211
2212     p_demux->info.i_update &= ~INPUT_UPDATE_SIZE;
2213 }
2214
2215 static void UpdateTitleListfromDemux( input_thread_t *p_input )
2216 {
2217     input_source_t *in = &p_input->p->input;
2218
2219     /* Delete the preexisting titles */
2220     if( in->i_title > 0 )
2221     {
2222         for( int i = 0; i < in->i_title; i++ )
2223             vlc_input_title_Delete( in->title[i] );
2224         TAB_CLEAN( in->i_title, in->title );
2225         in->b_title_demux = false;
2226     }
2227
2228     /* Get the new title list */
2229     if( demux_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
2230                        &in->title, &in->i_title,
2231                        &in->i_title_offset, &in->i_seekpoint_offset ) )
2232         TAB_INIT( in->i_title, in->title );
2233     else
2234         in->b_title_demux = true;
2235
2236     InitTitle( p_input );
2237 }
2238
2239
2240 /*****************************************************************************
2241  * Update*FromAccess:
2242  *****************************************************************************/
2243 static int UpdateTitleSeekpointFromAccess( input_thread_t *p_input )
2244 {
2245     access_t *p_access = p_input->p->input.p_access;
2246
2247     if( p_access->info.i_update & INPUT_UPDATE_TITLE )
2248     {
2249         input_SendEventTitle( p_input, p_access->info.i_title );
2250
2251         stream_Control( p_input->p->input.p_stream, STREAM_UPDATE_SIZE );
2252
2253         p_access->info.i_update &= ~INPUT_UPDATE_TITLE;
2254     }
2255     if( p_access->info.i_update & INPUT_UPDATE_SEEKPOINT )
2256     {
2257         input_SendEventSeekpoint( p_input,
2258                                   p_access->info.i_title, p_access->info.i_seekpoint );
2259
2260         p_access->info.i_update &= ~INPUT_UPDATE_SEEKPOINT;
2261     }
2262     /* Hmmm only works with master input */
2263     if( p_input->p->input.p_access == p_access )
2264         return UpdateTitleSeekpoint( p_input,
2265                                      p_access->info.i_title,
2266                                      p_access->info.i_seekpoint );
2267     return 1;
2268 }
2269 static void UpdateGenericFromAccess( input_thread_t *p_input )
2270 {
2271     access_t *p_access = p_input->p->input.p_access;
2272
2273     if( p_access->info.i_update & INPUT_UPDATE_META )
2274     {
2275         /* TODO maybe multi - access ? */
2276         vlc_meta_t *p_meta = vlc_meta_New();
2277         if( p_meta )
2278         {
2279             access_Control( p_input->p->input.p_access, ACCESS_GET_META, p_meta );
2280             InputUpdateMeta( p_input, p_meta );
2281         }
2282         p_access->info.i_update &= ~INPUT_UPDATE_META;
2283     }
2284     if( p_access->info.i_update & INPUT_UPDATE_SIGNAL )
2285     {
2286         double f_quality;
2287         double f_strength;
2288
2289         if( access_Control( p_access, ACCESS_GET_SIGNAL, &f_quality, &f_strength ) )
2290             f_quality = f_strength = -1;
2291
2292         input_SendEventSignal( p_input, f_quality, f_strength );
2293
2294         p_access->info.i_update &= ~INPUT_UPDATE_SIGNAL;
2295     }
2296
2297     p_access->info.i_update &= ~INPUT_UPDATE_SIZE;
2298 }
2299
2300 /*****************************************************************************
2301  * InputSourceNew:
2302  *****************************************************************************/
2303 static input_source_t *InputSourceNew( input_thread_t *p_input )
2304 {
2305     VLC_UNUSED(p_input);
2306
2307     return calloc( 1,  sizeof( input_source_t ) );
2308 }
2309
2310 /*****************************************************************************
2311  * InputSourceInit:
2312  *****************************************************************************/
2313 static int InputSourceInit( input_thread_t *p_input,
2314                             input_source_t *in, const char *psz_mrl,
2315                             const char *psz_forced_demux, bool b_in_can_fail )
2316 {
2317     const char *psz_access, *psz_demux, *psz_path, *psz_anchor = NULL;
2318     char *psz_var_demux = NULL;
2319     double f_fps;
2320
2321     assert( psz_mrl );
2322     char *psz_dup = strdup( psz_mrl );
2323
2324     if( psz_dup == NULL )
2325         goto error;
2326
2327     /* Split uri */
2328     input_SplitMRL( &psz_access, &psz_demux, &psz_path, &psz_anchor, psz_dup );
2329
2330     msg_Dbg( p_input, "`%s' gives access `%s' demux `%s' path `%s'",
2331              psz_mrl, psz_access, psz_demux, psz_path );
2332     if( !p_input->b_preparsing )
2333     {
2334         /* Find optional titles and seekpoints */
2335         MRLSections( psz_anchor, &in->i_title_start, &in->i_title_end,
2336                      &in->i_seekpoint_start, &in->i_seekpoint_end );
2337         if( psz_forced_demux && *psz_forced_demux )
2338         {
2339             psz_demux = psz_forced_demux;
2340         }
2341         else if( *psz_demux == '\0' )
2342         {
2343             /* special hack for forcing a demuxer with --demux=module
2344              * (and do nothing with a list) */
2345             psz_var_demux = var_GetNonEmptyString( p_input, "demux" );
2346
2347             if( psz_var_demux != NULL &&
2348                 !strchr(psz_var_demux, ',' ) &&
2349                 !strchr(psz_var_demux, ':' ) )
2350             {
2351                 psz_demux = psz_var_demux;
2352
2353                 msg_Dbg( p_input, "enforced demux ` %s'", psz_demux );
2354             }
2355         }
2356
2357         /* Try access_demux first */
2358         in->p_demux = demux_New( p_input, p_input, psz_access, psz_demux, psz_path,
2359                                   NULL, p_input->p->p_es_out, false );
2360     }
2361     else
2362     {
2363         /* Preparsing is only for file:// */
2364         if( *psz_demux )
2365             goto error;
2366         if( strcmp( psz_access, "file" ) )
2367             goto error;
2368         msg_Dbg( p_input, "trying to pre-parse %s",  psz_path );
2369     }
2370
2371     mtime_t i_pts_delay;
2372
2373     if( in->p_demux )
2374     {
2375         /* Get infos from access_demux */
2376         in->b_title_demux = true;
2377         if( demux_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
2378                             &in->title, &in->i_title,
2379                             &in->i_title_offset, &in->i_seekpoint_offset ) )
2380         {
2381             TAB_INIT( in->i_title, in->title );
2382         }
2383         if( demux_Control( in->p_demux, DEMUX_CAN_CONTROL_PACE,
2384                             &in->b_can_pace_control ) )
2385             in->b_can_pace_control = false;
2386
2387         assert( in->p_demux->pf_demux != NULL || !in->b_can_pace_control );
2388
2389         if( !in->b_can_pace_control )
2390         {
2391             if( demux_Control( in->p_demux, DEMUX_CAN_CONTROL_RATE,
2392                                 &in->b_can_rate_control, &in->b_rescale_ts ) )
2393             {
2394                 in->b_can_rate_control = false;
2395                 in->b_rescale_ts = true; /* not used */
2396             }
2397         }
2398         else
2399         {
2400             in->b_can_rate_control = true;
2401             in->b_rescale_ts = true;
2402         }
2403         if( demux_Control( in->p_demux, DEMUX_CAN_PAUSE,
2404                             &in->b_can_pause ) )
2405             in->b_can_pause = false;
2406         var_SetBool( p_input, "can-pause", in->b_can_pause || !in->b_can_pace_control ); /* XXX temporary because of es_out_timeshift*/
2407         var_SetBool( p_input, "can-rate", !in->b_can_pace_control || in->b_can_rate_control ); /* XXX temporary because of es_out_timeshift*/
2408         var_SetBool( p_input, "can-rewind", !in->b_rescale_ts && !in->b_can_pace_control && in->b_can_rate_control );
2409
2410         bool b_can_seek;
2411         if( demux_Control( in->p_demux, DEMUX_CAN_SEEK, &b_can_seek ) )
2412             b_can_seek = false;
2413         var_SetBool( p_input, "can-seek", b_can_seek );
2414     }
2415     else
2416     {   /* Now try a real access */
2417         access_t *p_access = access_New( p_input, p_input,
2418                                          psz_access, psz_demux, psz_path );
2419         if( p_access == NULL )
2420         {
2421             if( vlc_object_alive( p_input ) )
2422             {
2423                 msg_Err( p_input, "open of `%s' failed", psz_mrl );
2424                 if( !b_in_can_fail )
2425                     dialog_Fatal( p_input, _("Your input can't be opened"),
2426                                    _("VLC is unable to open the MRL '%s'."
2427                                      " Check the log for details."), psz_mrl );
2428             }
2429             goto error;
2430         }
2431
2432         /* Get infos from access */
2433         if( !p_input->b_preparsing )
2434         {
2435             access_Control( p_access, ACCESS_GET_PTS_DELAY, &i_pts_delay );
2436         }
2437
2438         /* Access-forced demuxer (PARENTAL ADVISORY: EXPLICIT HACK) */
2439         if( !*psz_demux && *p_access->psz_demux )
2440             psz_demux = p_access->psz_demux;
2441
2442         /* */
2443         int  i_input_list;
2444         char **ppsz_input_list;
2445
2446         TAB_INIT( i_input_list, ppsz_input_list );
2447
2448         /* On master stream only, use input-list */
2449         if( &p_input->p->input == in )
2450         {
2451             char *psz_list;
2452             char *psz_parser;
2453
2454             psz_list =
2455             psz_parser = var_CreateGetNonEmptyString( p_input, "input-list" );
2456
2457             while( psz_parser && *psz_parser )
2458             {
2459                 char *p = strchr( psz_parser, ',' );
2460                 if( p )
2461                     *p++ = '\0';
2462
2463                 if( *psz_parser )
2464                 {
2465                     char *psz_name = strdup( psz_parser );
2466                     if( psz_name )
2467                         TAB_APPEND( i_input_list, ppsz_input_list, psz_name );
2468                 }
2469
2470                 psz_parser = p;
2471             }
2472             free( psz_list );
2473         }
2474         /* Autodetect extra files if none specified */
2475         if( i_input_list <= 0 )
2476         {
2477             InputGetExtraFiles( p_input, &i_input_list, &ppsz_input_list,
2478                                 psz_access, psz_path );
2479         }
2480         if( i_input_list > 0 )
2481             TAB_APPEND( i_input_list, ppsz_input_list, NULL );
2482
2483         /* Create the stream_t */
2484         in->p_stream = stream_AccessNew( p_access, ppsz_input_list );
2485         if( ppsz_input_list )
2486         {
2487             for( int i = 0; ppsz_input_list[i] != NULL; i++ )
2488                 free( ppsz_input_list[i] );
2489             TAB_CLEAN( i_input_list, ppsz_input_list );
2490         }
2491
2492         if( in->p_stream == NULL )
2493         {
2494             msg_Warn( p_input, "cannot create a stream_t from access" );
2495             goto error;
2496         }
2497
2498         /* Add stream filters */
2499         char *psz_stream_filter = var_GetNonEmptyString( p_input,
2500                                                          "stream-filter" );
2501         in->p_stream = stream_FilterChainNew( in->p_stream,
2502                                               psz_stream_filter,
2503                                               var_GetBool( p_input, "input-record-native" ) );
2504         free( psz_stream_filter );
2505
2506         if( !p_input->b_preparsing )
2507         {
2508             bool b;
2509
2510             stream_Control( in->p_stream, STREAM_CAN_CONTROL_PACE,
2511                             &in->b_can_pace_control );
2512             in->b_can_rate_control = in->b_can_pace_control;
2513             in->b_rescale_ts = true;
2514
2515             stream_Control( in->p_stream, STREAM_CAN_PAUSE, &in->b_can_pause );
2516             var_SetBool( p_input, "can-pause",
2517                          in->b_can_pause || !in->b_can_pace_control ); /* XXX temporary because of es_out_timeshift*/
2518             var_SetBool( p_input, "can-rate",
2519                          !in->b_can_pace_control || in->b_can_rate_control ); /* XXX temporary because of es_out_timeshift*/
2520             var_SetBool( p_input, "can-rewind",
2521                          !in->b_rescale_ts && !in->b_can_pace_control );
2522
2523             stream_Control( in->p_stream, STREAM_CAN_SEEK, &b );
2524             var_SetBool( p_input, "can-seek", b );
2525
2526             in->b_title_demux = false;
2527             if( stream_Control( in->p_stream, STREAM_GET_TITLE_INFO,
2528                                 &in->title, &in->i_title, &in->i_title_offset,
2529                                 &in->i_seekpoint_offset ) )
2530                 TAB_INIT( in->i_title, in->title );
2531         }
2532
2533         in->p_demux = demux_New( p_input, p_input, psz_access, psz_demux,
2534                    /* Take access/stream redirections into account: */
2535                    in->p_stream->psz_path ? in->p_stream->psz_path : psz_path,
2536                                  in->p_stream, p_input->p->p_es_out,
2537                                  p_input->b_preparsing );
2538
2539         if( in->p_demux == NULL )
2540         {
2541             if( vlc_object_alive( p_input ) )
2542             {
2543                 msg_Err( p_input, "no suitable demux module for `%s/%s://%s'",
2544                          psz_access, psz_demux, psz_path );
2545                 if( !b_in_can_fail )
2546                     dialog_Fatal( VLC_OBJECT( p_input ),
2547                                   _("VLC can't recognize the input's format"),
2548                                   _("The format of '%s' cannot be detected. "
2549                                     "Have a look at the log for details."), psz_mrl );
2550             }
2551             goto error;
2552         }
2553         assert( in->p_demux->pf_demux != NULL );
2554
2555         /* Get title from demux */
2556         if( !p_input->b_preparsing && in->i_title <= 0 )
2557         {
2558             if( demux_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
2559                                 &in->title, &in->i_title,
2560                                 &in->i_title_offset, &in->i_seekpoint_offset ))
2561             {
2562                 TAB_INIT( in->i_title, in->title );
2563             }
2564             else
2565             {
2566                 in->b_title_demux = true;
2567             }
2568         }
2569         in->p_access = p_access; /* <- TODO: remove this nasty pointer */
2570     }
2571
2572     free( psz_var_demux );
2573     free( psz_dup );
2574
2575     /* Set record capabilities */
2576     if( demux_Control( in->p_demux, DEMUX_CAN_RECORD, &in->b_can_stream_record ) )
2577         in->b_can_stream_record = false;
2578 #ifdef ENABLE_SOUT
2579     if( !var_GetBool( p_input, "input-record-native" ) )
2580         in->b_can_stream_record = false;
2581     var_SetBool( p_input, "can-record", true );
2582 #else
2583     var_SetBool( p_input, "can-record", in->b_can_stream_record );
2584 #endif
2585
2586     /* get attachment
2587      * FIXME improve for b_preparsing: move it after GET_META and check psz_arturl */
2588     if( !p_input->b_preparsing )
2589     {
2590         int i_attachment;
2591         input_attachment_t **attachment;
2592         if( !demux_Control( in->p_demux, DEMUX_GET_ATTACHMENTS,
2593                              &attachment, &i_attachment ) )
2594         {
2595             vlc_mutex_lock( &p_input->p->p_item->lock );
2596             AppendAttachment( &p_input->p->i_attachment, &p_input->p->attachment,
2597                               i_attachment, attachment );
2598             vlc_mutex_unlock( &p_input->p->p_item->lock );
2599         }
2600
2601         /* PTS delay: request from demux first. This is required for
2602          * access_demux and some special cases like SDP demux. Otherwise,
2603          * fallback to access */
2604         if( demux_Control( in->p_demux, DEMUX_GET_PTS_DELAY,
2605                            &in->i_pts_delay ) )
2606             in->i_pts_delay = i_pts_delay;
2607         if( in->i_pts_delay > INPUT_PTS_DELAY_MAX )
2608             in->i_pts_delay = INPUT_PTS_DELAY_MAX;
2609         else if( in->i_pts_delay < 0 )
2610             in->i_pts_delay = 0;
2611     }
2612
2613     if( !demux_Control( in->p_demux, DEMUX_GET_FPS, &f_fps ) && f_fps > 0.0 )
2614     {
2615         vlc_mutex_lock( &p_input->p->p_item->lock );
2616         p_input->p->f_fps = f_fps;
2617         vlc_mutex_unlock( &p_input->p->p_item->lock );
2618     }
2619
2620     if( var_GetInteger( p_input, "clock-synchro" ) != -1 )
2621         in->b_can_pace_control = !var_GetInteger( p_input, "clock-synchro" );
2622
2623     return VLC_SUCCESS;
2624
2625 error:
2626     if( in->p_demux )
2627         demux_Delete( in->p_demux );
2628
2629     if( in->p_stream )
2630         stream_Delete( in->p_stream );
2631
2632     free( psz_var_demux );
2633     free( psz_dup );
2634
2635     return VLC_EGENERIC;
2636 }
2637
2638 /*****************************************************************************
2639  * InputSourceClean:
2640  *****************************************************************************/
2641 static void InputSourceClean( input_source_t *in )
2642 {
2643     int i;
2644
2645     if( in->p_demux )
2646         demux_Delete( in->p_demux );
2647
2648     if( in->p_stream )
2649         stream_Delete( in->p_stream );
2650
2651     if( in->i_title > 0 )
2652     {
2653         for( i = 0; i < in->i_title; i++ )
2654             vlc_input_title_Delete( in->title[i] );
2655         TAB_CLEAN( in->i_title, in->title );
2656     }
2657 }
2658
2659 /*****************************************************************************
2660  * InputSourceMeta:
2661  *****************************************************************************/
2662 static void InputSourceMeta( input_thread_t *p_input,
2663                              input_source_t *p_source, vlc_meta_t *p_meta )
2664 {
2665     access_t *p_access = p_source->p_access;
2666     demux_t *p_demux = p_source->p_demux;
2667
2668     /* XXX Remember that checking against p_item->p_meta->i_status & ITEM_PREPARSED
2669      * is a bad idea */
2670
2671     bool has_meta;
2672
2673     /* Read access meta */
2674     has_meta = p_access && !access_Control( p_access, ACCESS_GET_META, p_meta );
2675
2676     /* Read demux meta */
2677     has_meta |= !demux_Control( p_demux, DEMUX_GET_META, p_meta );
2678
2679     bool has_unsupported;
2680     if( demux_Control( p_demux, DEMUX_HAS_UNSUPPORTED_META, &has_unsupported ) )
2681         has_unsupported = true;
2682
2683     /* If the demux report unsupported meta data, or if we don't have meta data
2684      * try an external "meta reader" */
2685     if( has_meta && !has_unsupported )
2686         return;
2687
2688     demux_meta_t *p_demux_meta =
2689         vlc_custom_create( p_demux, sizeof( *p_demux_meta ), "demux meta" );
2690     if( !p_demux_meta )
2691         return;
2692     p_demux_meta->p_demux = p_demux;
2693     p_demux_meta->p_item = p_input->p->p_item;
2694
2695     module_t *p_id3 = module_need( p_demux_meta, "meta reader", NULL, false );
2696     if( p_id3 )
2697     {
2698         if( p_demux_meta->p_meta )
2699         {
2700             vlc_meta_Merge( p_meta, p_demux_meta->p_meta );
2701             vlc_meta_Delete( p_demux_meta->p_meta );
2702         }
2703
2704         if( p_demux_meta->i_attachments > 0 )
2705         {
2706             vlc_mutex_lock( &p_input->p->p_item->lock );
2707             AppendAttachment( &p_input->p->i_attachment, &p_input->p->attachment,
2708                               p_demux_meta->i_attachments, p_demux_meta->attachments );
2709             vlc_mutex_unlock( &p_input->p->p_item->lock );
2710         }
2711         module_unneed( p_demux, p_id3 );
2712     }
2713     vlc_object_release( p_demux_meta );
2714 }
2715
2716
2717 static void SlaveDemux( input_thread_t *p_input, bool *pb_demux_polled )
2718 {
2719     int64_t i_time;
2720     int i;
2721
2722     *pb_demux_polled = false;
2723     if( demux_Control( p_input->p->input.p_demux, DEMUX_GET_TIME, &i_time ) )
2724     {
2725         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
2726         return;
2727     }
2728
2729     for( i = 0; i < p_input->p->i_slave; i++ )
2730     {
2731         input_source_t *in = p_input->p->slave[i];
2732         int i_ret;
2733
2734         if( in->b_eof )
2735             continue;
2736
2737         const bool b_demux_polled = in->p_demux->pf_demux != NULL;
2738         if( !b_demux_polled )
2739             continue;
2740
2741         *pb_demux_polled = true;
2742
2743         /* Call demux_Demux until we have read enough data */
2744         if( demux_Control( in->p_demux, DEMUX_SET_NEXT_DEMUX_TIME, i_time ) )
2745         {
2746             for( ;; )
2747             {
2748                 int64_t i_stime;
2749                 if( demux_Control( in->p_demux, DEMUX_GET_TIME, &i_stime ) )
2750                 {
2751                     msg_Err( p_input, "slave[%d] doesn't like "
2752                              "DEMUX_GET_TIME -> EOF", i );
2753                     i_ret = 0;
2754                     break;
2755                 }
2756
2757                 if( i_stime >= i_time )
2758                 {
2759                     i_ret = 1;
2760                     break;
2761                 }
2762
2763                 if( ( i_ret = demux_Demux( in->p_demux ) ) <= 0 )
2764                     break;
2765             }
2766         }
2767         else
2768         {
2769             i_ret = demux_Demux( in->p_demux );
2770         }
2771
2772         if( i_ret <= 0 )
2773         {
2774             msg_Dbg( p_input, "slave %d EOF", i );
2775             in->b_eof = true;
2776         }
2777     }
2778 }
2779
2780 static void SlaveSeek( input_thread_t *p_input )
2781 {
2782     int64_t i_time;
2783     int i;
2784
2785     if( demux_Control( p_input->p->input.p_demux, DEMUX_GET_TIME, &i_time ) )
2786     {
2787         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
2788         return;
2789     }
2790
2791     for( i = 0; i < p_input->p->i_slave; i++ )
2792     {
2793         input_source_t *in = p_input->p->slave[i];
2794
2795         if( demux_Control( in->p_demux, DEMUX_SET_TIME, i_time, true ) )
2796         {
2797             if( !in->b_eof )
2798                 msg_Err( p_input, "seek failed for slave %d -> EOF", i );
2799             in->b_eof = true;
2800         }
2801         else
2802         {
2803             in->b_eof = false;
2804         }
2805     }
2806 }
2807
2808 /*****************************************************************************
2809  * InputMetaUser:
2810  *****************************************************************************/
2811 static void InputMetaUser( input_thread_t *p_input, vlc_meta_t *p_meta )
2812 {
2813     static const struct { int i_meta; const char *psz_name; } p_list[] = {
2814         { vlc_meta_Title,       "meta-title" },
2815         { vlc_meta_Artist,      "meta-artist" },
2816         { vlc_meta_Genre,       "meta-genre" },
2817         { vlc_meta_Copyright,   "meta-copyright" },
2818         { vlc_meta_Description, "meta-description" },
2819         { vlc_meta_Date,        "meta-date" },
2820         { vlc_meta_URL,         "meta-url" },
2821         { 0, NULL }
2822     };
2823
2824     /* Get meta information from user */
2825     for( int i = 0; p_list[i].psz_name; i++ )
2826     {
2827         char *psz_string = var_GetNonEmptyString( p_input, p_list[i].psz_name );
2828         if( !psz_string )
2829             continue;
2830
2831         EnsureUTF8( psz_string );
2832         vlc_meta_Set( p_meta, p_list[i].i_meta, psz_string );
2833         free( psz_string );
2834     }
2835 }
2836
2837 /*****************************************************************************
2838  * InputUpdateMeta: merge p_item meta data with p_meta taking care of
2839  * arturl and locking issue.
2840  *****************************************************************************/
2841 static void InputUpdateMeta( input_thread_t *p_input, vlc_meta_t *p_meta )
2842 {
2843     es_out_ControlSetMeta( p_input->p->p_es_out, p_meta );
2844     vlc_meta_Delete( p_meta );
2845 }
2846
2847 static void AppendAttachment( int *pi_attachment, input_attachment_t ***ppp_attachment,
2848                               int i_new, input_attachment_t **pp_new )
2849 {
2850     int i_attachment = *pi_attachment;
2851     input_attachment_t **attachment = *ppp_attachment;
2852     int i;
2853
2854     attachment = xrealloc( attachment,
2855                     sizeof(input_attachment_t**) * ( i_attachment + i_new ) );
2856     for( i = 0; i < i_new; i++ )
2857         attachment[i_attachment++] = pp_new[i];
2858     free( pp_new );
2859
2860     /* */
2861     *pi_attachment = i_attachment;
2862     *ppp_attachment = attachment;
2863 }
2864 /*****************************************************************************
2865  * InputGetExtraFiles
2866  *  Autodetect extra input list
2867  *****************************************************************************/
2868 static void InputGetExtraFilesPattern( input_thread_t *p_input,
2869                                        int *pi_list, char ***pppsz_list,
2870                                        const char *psz_path,
2871                                        const char *psz_match,
2872                                        const char *psz_format,
2873                                        int i_start, int i_stop )
2874 {
2875     int i_list;
2876     char **ppsz_list;
2877
2878     TAB_INIT( i_list, ppsz_list );
2879
2880     char *psz_base = strdup( psz_path );
2881     if( !psz_base )
2882         goto exit;
2883
2884     /* Remove the extension */
2885     char *psz_end = &psz_base[strlen(psz_base)-strlen(psz_match)];
2886     assert( psz_end >= psz_base);
2887     *psz_end = '\0';
2888
2889     /* Try to list files */
2890     for( int i = i_start; i <= i_stop; i++ )
2891     {
2892         struct stat st;
2893         char *psz_file;
2894
2895         if( asprintf( &psz_file, psz_format, psz_base, i ) < 0 )
2896             break;
2897
2898         char *psz_tmp_path = get_path( psz_file );
2899
2900         if( vlc_stat( psz_tmp_path, &st ) || !S_ISREG( st.st_mode ) || !st.st_size )
2901         {
2902             free( psz_file );
2903             free( psz_tmp_path );
2904             break;
2905         }
2906
2907         msg_Dbg( p_input, "Detected extra file `%s'", psz_file );
2908         TAB_APPEND( i_list, ppsz_list, psz_file );
2909         free( psz_tmp_path );
2910     }
2911     free( psz_base );
2912 exit:
2913     *pi_list = i_list;
2914     *pppsz_list = ppsz_list;
2915 }
2916
2917 static void InputGetExtraFiles( input_thread_t *p_input,
2918                                 int *pi_list, char ***pppsz_list,
2919                                 const char *psz_access, const char *psz_path )
2920 {
2921     static const struct
2922     {
2923         const char *psz_match;
2924         const char *psz_format;
2925         int i_start;
2926         int i_stop;
2927     } p_pattern[] = {
2928         /* XXX the order is important */
2929         { ".001",         "%s.%.3d",        2, 999 },
2930         { NULL, NULL, 0, 0 }
2931     };
2932
2933     TAB_INIT( *pi_list, *pppsz_list );
2934
2935     if( ( psz_access && *psz_access && strcmp( psz_access, "file" ) ) || !psz_path )
2936         return;
2937
2938     const size_t i_path = strlen(psz_path);
2939
2940     for( int i = 0; p_pattern[i].psz_match != NULL; i++ )
2941     {
2942         const size_t i_ext = strlen(p_pattern[i].psz_match );
2943
2944         if( i_path < i_ext )
2945             continue;
2946         if( !strcmp( &psz_path[i_path-i_ext], p_pattern[i].psz_match ) )
2947         {
2948             InputGetExtraFilesPattern( p_input, pi_list, pppsz_list,
2949                                        psz_path,
2950                                        p_pattern[i].psz_match, p_pattern[i].psz_format,
2951                                        p_pattern[i].i_start, p_pattern[i].i_stop );
2952             return;
2953         }
2954     }
2955 }
2956
2957 /* */
2958 static void input_ChangeState( input_thread_t *p_input, int i_state )
2959 {
2960     const bool b_changed = p_input->p->i_state != i_state;
2961
2962     p_input->p->i_state = i_state;
2963     if( i_state == ERROR_S )
2964         p_input->b_error = true;
2965     else if( i_state == END_S )
2966         p_input->b_eof = true;
2967
2968     if( b_changed )
2969     {
2970         input_item_SetErrorWhenReading( p_input->p->p_item, p_input->b_error );
2971         input_SendEventState( p_input, i_state );
2972     }
2973 }
2974
2975
2976 /*****************************************************************************
2977  * MRLSplit: parse the access, demux and url part of the
2978  *           Media Resource Locator.
2979  *****************************************************************************/
2980 void input_SplitMRL( const char **access, const char **demux,
2981                      const char **path, const char **anchor, char *buf )
2982 {
2983     char *p;
2984
2985     /* Separate <path> from <access>[/<demux>]:// */
2986     p = strstr( buf, "://" );
2987     if( p != NULL )
2988     {
2989         *p = '\0';
2990         p += 3; /* skips "://" */
2991         *path = p;
2992
2993         /* Remove HTML anchor if present (not supported).
2994          * The hash symbol itself should be URI-encoded. */
2995         p = strchr( p, '#' );
2996         if( p != NULL )
2997         {
2998             *(p++) = '\0';
2999             *anchor = p;
3000         }
3001         else
3002             *anchor = "";
3003     }
3004     else
3005     {
3006 #ifndef NDEBUG
3007         fprintf( stderr, "%s(\"%s\") probably not a valid URI!\n", __func__,
3008                  buf );
3009 #endif
3010         /* Note: this is a valid non const pointer to "": */
3011         *path = buf + strlen( buf );
3012     }
3013
3014     /* Separate access from demux */
3015     p = strchr( buf, '/' );
3016     if( p != NULL )
3017     {
3018         *(p++) = '\0';
3019         if( p[0] == '$' )
3020             p++;
3021         *demux = p;
3022     }
3023     else
3024         *demux = "";
3025
3026     /* We really don't want module name substitution here! */
3027     p = buf;
3028     if( p[0] == '$' )
3029         p++;
3030     *access = p;
3031 }
3032
3033 static const char *MRLSeekPoint( const char *str, int *title, int *chapter )
3034 {
3035     char *end;
3036     unsigned long u;
3037
3038     /* Look for the title */
3039     u = strtoul( str, &end, 0 );
3040     *title = (str == end || u > (unsigned long)INT_MAX) ? -1 : (int)u;
3041     str = end;
3042
3043     /* Look for the chapter */
3044     if( *str == ':' )
3045     {
3046         str++;
3047         u = strtoul( str, &end, 0 );
3048         *chapter = (str == end || u > (unsigned long)INT_MAX) ? -1 : (int)u;
3049         str = end;
3050     }
3051     else
3052         *chapter = -1;
3053
3054     return str;
3055 }
3056
3057
3058 /*****************************************************************************
3059  * MRLSections: parse title and seekpoint info from the Media Resource Locator.
3060  *
3061  * Syntax:
3062  * [url][@[title_start][:chapter_start][-[title_end][:chapter_end]]]
3063  *****************************************************************************/
3064 static void MRLSections( const char *p,
3065                          int *pi_title_start, int *pi_title_end,
3066                          int *pi_chapter_start, int *pi_chapter_end )
3067 {
3068     *pi_title_start = *pi_title_end = *pi_chapter_start = *pi_chapter_end = -1;
3069
3070     int title_start, chapter_start, title_end, chapter_end;
3071
3072     if( !p )
3073         return;
3074
3075     if( *p != '-' )
3076         p = MRLSeekPoint( p, &title_start, &chapter_start );
3077     else
3078         title_start = chapter_start = -1;
3079
3080     if( *p == '-' )
3081         p = MRLSeekPoint( p + 1, &title_end, &chapter_end );
3082     else
3083         title_end = chapter_end = -1;
3084
3085     if( *p ) /* syntax error */
3086         return;
3087
3088     *pi_title_start = title_start;
3089     *pi_title_end = title_end;
3090     *pi_chapter_start = chapter_start;
3091     *pi_chapter_end = chapter_end;
3092 }
3093
3094 /*****************************************************************************
3095  * input_AddSubtitles: add a subtitle file and enable it
3096  *****************************************************************************/
3097 static void SubtitleAdd( input_thread_t *p_input, char *psz_subtitle, unsigned i_flags )
3098 {
3099     input_source_t *sub;
3100     vlc_value_t count;
3101     vlc_value_t list;
3102     char *psz_path, *psz_extension;
3103
3104     /* if we are provided a subtitle.sub file,
3105      * see if we don't have a subtitle.idx and use it instead */
3106     psz_path = strdup( psz_subtitle );
3107     if( psz_path )
3108     {
3109         psz_extension = strrchr( psz_path, '.');
3110         if( psz_extension && strcmp( psz_extension, ".sub" ) == 0 )
3111         {
3112             struct stat st;
3113
3114             strcpy( psz_extension, ".idx" );
3115
3116             if( !vlc_stat( psz_path, &st ) && S_ISREG( st.st_mode ) )
3117             {
3118                 msg_Dbg( p_input, "using %s as subtitle file instead of %s",
3119                          psz_path, psz_subtitle );
3120                 strcpy( psz_subtitle, psz_path );
3121             }
3122         }
3123         free( psz_path );
3124     }
3125
3126     char *url = vlc_path2uri( psz_subtitle, NULL );
3127
3128     var_Change( p_input, "spu-es", VLC_VAR_CHOICESCOUNT, &count, NULL );
3129
3130     sub = InputSourceNew( p_input );
3131     if( !sub || !url
3132      || InputSourceInit( p_input, sub, url, "subtitle", (i_flags & SUB_CANFAIL) ) )
3133     {
3134         free( sub );
3135         free( url );
3136         return;
3137     }
3138     free( url );
3139     TAB_APPEND( p_input->p->i_slave, p_input->p->slave, sub );
3140
3141     /* Select the ES */
3142     if( (i_flags & SUB_FORCED) && !var_Change( p_input, "spu-es", VLC_VAR_GETLIST, &list, NULL ) )
3143     {
3144         if( count.i_int == 0 )
3145             count.i_int++;
3146         /* if it was first one, there is disable too */
3147
3148         if( count.i_int < list.p_list->i_count )
3149         {
3150             const int i_id = list.p_list->p_values[count.i_int].i_int;
3151
3152             es_out_Control( p_input->p->p_es_out_display, ES_OUT_SET_ES_DEFAULT_BY_ID, i_id );
3153             es_out_Control( p_input->p->p_es_out_display, ES_OUT_SET_ES_BY_ID, i_id );
3154         }
3155         var_FreeList( &list, NULL );
3156     }
3157 }
3158
3159 /*****************************************************************************
3160  * Statistics
3161  *****************************************************************************/
3162 void input_UpdateStatistic( input_thread_t *p_input,
3163                             input_statistic_t i_type, int i_delta )
3164 {
3165     assert( p_input->p->i_state != INIT_S );
3166
3167     vlc_mutex_lock( &p_input->p->counters.counters_lock);
3168     switch( i_type )
3169     {
3170 #define I(c) stats_Update( p_input->p->counters.c, i_delta, NULL )
3171     case INPUT_STATISTIC_DECODED_VIDEO:
3172         I(p_decoded_video);
3173         break;
3174     case INPUT_STATISTIC_DECODED_AUDIO:
3175         I(p_decoded_audio);
3176         break;
3177     case INPUT_STATISTIC_DECODED_SUBTITLE:
3178         I(p_decoded_sub);
3179         break;
3180     case INPUT_STATISTIC_SENT_PACKET:
3181         I(p_sout_sent_packets);
3182         break;
3183 #undef I
3184     case INPUT_STATISTIC_SENT_BYTE:
3185     {
3186         uint64_t bytes;
3187
3188         stats_Update( p_input->p->counters.p_sout_sent_bytes, i_delta, &bytes );
3189         stats_Update( p_input->p->counters.p_sout_send_bitrate, bytes, NULL );
3190         break;
3191     }
3192     default:
3193         msg_Err( p_input, "Invalid statistic type %d (internal error)", i_type );
3194         break;
3195     }
3196     vlc_mutex_unlock( &p_input->p->counters.counters_lock);
3197 }
3198
3199 /**/
3200 /* TODO FIXME nearly the same logic that snapshot code */
3201 char *input_CreateFilename( vlc_object_t *p_obj, const char *psz_path, const char *psz_prefix, const char *psz_extension )
3202 {
3203     char *psz_file;
3204     DIR *path;
3205
3206     path = vlc_opendir( psz_path );
3207     if( path )
3208     {
3209         closedir( path );
3210
3211         char *psz_tmp = str_format( pl_Get(p_obj), psz_prefix );
3212         if( !psz_tmp )
3213             return NULL;
3214
3215         filename_sanitize( psz_tmp );
3216
3217         if( asprintf( &psz_file, "%s"DIR_SEP"%s%s%s",
3218                       psz_path, psz_tmp,
3219                       psz_extension ? "." : "",
3220                       psz_extension ? psz_extension : "" ) < 0 )
3221             psz_file = NULL;
3222         free( psz_tmp );
3223         return psz_file;
3224     }
3225     else
3226     {
3227         psz_file = str_format( pl_Get(p_obj), psz_path );
3228         path_sanitize( psz_file );
3229         return psz_file;
3230     }
3231 }
3232