src/libvlc.c

   1 /*****************************************************************************
   2  * libvlc.c: libvlc instances creation and deletion, interfaces handling
   3  *****************************************************************************
   4  * Copyright (C) 1998-2008 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Vincent Seguin <seguin@via.ecp.fr>
   8  *          Samuel Hocevar <sam@zoy.org>
   9  *          Gildas Bazin <gbazin@videolan.org>
  10  *          Derk-Jan Hartman <hartman at videolan dot org>
  11  *          Rémi Denis-Courmont <rem # videolan : org>
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation; either version 2 of the License, or
  16  * (at your option) any later version.
  17  *
  18  * This program is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU General Public License for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License
  24  * along with this program; if not, write to the Free Software
  25  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  26  *****************************************************************************/
  27
  28 /** \file
  29  * This file contains functions to create and destroy libvlc instances
  30  */
  31
  32 /*****************************************************************************
  33  * Preamble
  34  *****************************************************************************/
  35 #ifdef HAVE_CONFIG_H
  36 # include "config.h"
  37 #endif
  38
  39 #include <vlc_common.h>
  40 #include "../lib/libvlc_internal.h"
  41 #include <vlc_input.h>
  42
  43 #include "modules/modules.h"
  44 #include "config/configuration.h"
  45
  46 #include <stdio.h>                                              /* sprintf() */
  47 #include <string.h>
  48 #include <stdlib.h>                                                /* free() */
  49
  50 #ifdef HAVE_UNISTD_H
  51 #   include <unistd.h>
  52 #elif defined( WIN32 ) && !defined( UNDER_CE )
  53 #   include <io.h>
  54 #endif
  55
  56 #include "config/vlc_getopt.h"
  57
  58 #ifdef HAVE_LOCALE_H
  59 #   include <locale.h>
  60 #endif
  61
  62 #ifdef HAVE_DBUS
  63 /* used for one-instance mode */
  64 #   include <dbus/dbus.h>
  65 #endif
  66
  67
  68 #include <vlc_media_library.h>
  69 #include <vlc_playlist.h>
  70 #include <vlc_interface.h>
  71
  72 #include <vlc_aout.h>
  73 #include "audio_output/aout_internal.h"
  74
  75 #include <vlc_charset.h>
  76 #include <vlc_fs.h>
  77 #include <vlc_cpu.h>
  78 #include <vlc_url.h>
  79 #include <vlc_atomic.h>
  80 #include <vlc_modules.h>
  81
  82 #include "libvlc.h"
  83
  84 #include "playlist/playlist_internal.h"
  85
  86 #include <vlc_vlm.h>
  87
  88 #ifdef __APPLE__
  89 # include <libkern/OSAtomic.h>
  90 #endif
  91
  92 #include <assert.h>
  93
  94 /*****************************************************************************
  95  * The evil global variables. We handle them with care, don't worry.
  96  *****************************************************************************/
  97
  98 #ifndef WIN32
  99 static bool b_daemon = false;
 100 #endif
 101
 102 #undef vlc_gc_init
 103 #undef vlc_hold
 104 #undef vlc_release
 105
 106 /**
 107  * Atomically set the reference count to 1.
 108  * @param p_gc reference counted object
 109  * @param pf_destruct destruction calback
 110  * @return p_gc.
 111  */
 112 void *vlc_gc_init (gc_object_t *p_gc, void (*pf_destruct) (gc_object_t *))
 113 {
 114     /* There is no point in using the GC if there is no destructor... */
 115     assert (pf_destruct);
 116     p_gc->pf_destructor = pf_destruct;
 117
 118     vlc_atomic_set (&p_gc->refs, 1);
 119     return p_gc;
 120 }
 121
 122 /**
 123  * Atomically increment the reference count.
 124  * @param p_gc reference counted object
 125  * @return p_gc.
 126  */
 127 void *vlc_hold (gc_object_t * p_gc)
 128 {
 129     uintptr_t refs;
 130
 131     assert( p_gc );
 132     refs = vlc_atomic_inc (&p_gc->refs);
 133     assert (refs != 1); /* there had to be a reference already */
 134     return p_gc;
 135 }
 136
 137 /**
 138  * Atomically decrement the reference count and, if it reaches zero, destroy.
 139  * @param p_gc reference counted object.
 140  */
 141 void vlc_release (gc_object_t *p_gc)
 142 {
 143     uintptr_t refs;
 144
 145     assert( p_gc );
 146     refs = vlc_atomic_dec (&p_gc->refs);
 147     assert (refs != (uintptr_t)(-1)); /* reference underflow?! */
 148     if (refs == 0)
 149         p_gc->pf_destructor (p_gc);
 150 }
 151
 152 /*****************************************************************************
 153  * Local prototypes
 154  *****************************************************************************/
 155 #if defined( ENABLE_NLS ) && (defined (__APPLE__) || defined (WIN32)) && \
 156     ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
 157 static void SetLanguage   ( char const * );
 158 #endif
 159 static void GetFilenames  ( libvlc_int_t *, unsigned, const char *const [] );
 160
 161 /**
 162  * Allocate a libvlc instance, initialize global data if needed
 163  * It also initializes the threading system
 164  */
 165 libvlc_int_t * libvlc_InternalCreate( void )
 166 {
 167     libvlc_int_t *p_libvlc;
 168     libvlc_priv_t *priv;
 169     char *psz_env = NULL;
 170
 171     /* Now that the thread system is initialized, we don't have much, but
 172      * at least we have variables */
 173     /* Allocate a libvlc instance object */
 174     p_libvlc = vlc_custom_create( (vlc_object_t *)NULL, sizeof (*priv),
 175                                   "libvlc" );
 176     if( p_libvlc == NULL )
 177         return NULL;
 178
 179     priv = libvlc_priv (p_libvlc);
 180     priv->p_playlist = NULL;
 181     priv->p_ml = NULL;
 182     priv->p_dialog_provider = NULL;
 183     priv->p_vlm = NULL;
 184
 185     /* Find verbosity from VLC_VERBOSE environment variable */
 186     psz_env = getenv( "VLC_VERBOSE" );
 187     if( psz_env != NULL )
 188         priv->i_verbose = atoi( psz_env );
 189     else
 190         priv->i_verbose = 3;
 191 #if defined( HAVE_ISATTY ) && !defined( WIN32 )
 192     priv->b_color = isatty( 2 ); /* 2 is for stderr */
 193 #else
 194     priv->b_color = false;
 195 #endif
 196
 197     /* Initialize mutexes */
 198     vlc_mutex_init( &priv->ml_lock );
 199     vlc_mutex_init( &priv->timer_lock );
 200     vlc_ExitInit( &priv->exit );
 201
 202     return p_libvlc;
 203 }
 204
 205 /**
 206  * Initialize a libvlc instance
 207  * This function initializes a previously allocated libvlc instance:
 208  *  - CPU detection
 209  *  - gettext initialization
 210  *  - message queue, module bank and playlist initialization
 211  *  - configuration and commandline parsing
 212  */
 213 int libvlc_InternalInit( libvlc_int_t *p_libvlc, int i_argc,
 214                          const char *ppsz_argv[] )
 215 {
 216     libvlc_priv_t *priv = libvlc_priv (p_libvlc);
 217     char *       psz_modules = NULL;
 218     char *       psz_parser = NULL;
 219     char *       psz_control = NULL;
 220     playlist_t  *p_playlist = NULL;
 221     char        *psz_val;
 222
 223     /* System specific initialization code */
 224     system_Init();
 225
 226     /* Initialize the module bank and load the configuration of the
 227      * main module. We need to do this at this stage to be able to display
 228      * a short help if required by the user. (short help == main module
 229      * options) */
 230     module_InitBank ();
 231
 232     /* Get command line options that affect module loading. */
 233     if( config_LoadCmdLine( p_libvlc, i_argc, ppsz_argv, NULL ) )
 234     {
 235         module_EndBank (false);
 236         return VLC_EGENERIC;
 237     }
 238     priv->i_verbose = var_InheritInteger( p_libvlc, "verbose" );
 239
 240     /* Announce who we are (TODO: only first instance?) */
 241     msg_Dbg( p_libvlc, "VLC media player - %s", VERSION_MESSAGE );
 242     msg_Dbg( p_libvlc, "%s", COPYRIGHT_MESSAGE );
 243     msg_Dbg( p_libvlc, "revision %s", psz_vlc_changeset );
 244     msg_Dbg( p_libvlc, "configured with %s", CONFIGURE_LINE );
 245
 246     /* Load the builtins and plugins into the module_bank.
 247      * We have to do it before config_Load*() because this also gets the
 248      * list of configuration options exported by each module and loads their
 249      * default values. */
 250     size_t module_count = module_LoadPlugins (p_libvlc);
 251
 252     /*
 253      * Override default configuration with config file settings
 254      */
 255     if( !var_InheritBool( p_libvlc, "ignore-config" ) )
 256     {
 257         if( var_InheritBool( p_libvlc, "reset-config" ) )
 258             config_SaveConfigFile( p_libvlc ); /* Save default config */
 259         else
 260             config_LoadConfigFile( p_libvlc );
 261     }
 262
 263     /*
 264      * Override configuration with command line settings
 265      */
 266     int vlc_optind;
 267     if( config_LoadCmdLine( p_libvlc, i_argc, ppsz_argv, &vlc_optind ) )
 268     {
 269 #ifdef WIN32
 270         MessageBox (NULL, TEXT("The command line options could not be parsed.\n"
 271                     "Make sure they are valid."), TEXT("VLC media player"),
 272                     MB_OK|MB_ICONERROR);
 273 #endif
 274         module_EndBank (true);
 275         return VLC_EGENERIC;
 276     }
 277     priv->i_verbose = var_InheritInteger( p_libvlc, "verbose" );
 278
 279     /*
 280      * Support for gettext
 281      */
 282 #if defined( ENABLE_NLS ) \
 283      && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
 284 # if defined (WIN32) || defined (__APPLE__)
 285     /* Check if the user specified a custom language */
 286     char *lang = var_InheritString (p_libvlc, "language");
 287     if (lang != NULL && strcmp (lang, "auto"))
 288         SetLanguage (lang);
 289     free (lang);
 290 # endif
 291     vlc_bindtextdomain (PACKAGE_NAME);
 292 #endif
 293     /*xgettext: Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
 294     msg_Dbg( p_libvlc, "translation test: code is \"%s\"", _("C") );
 295
 296     if (config_PrintHelp (VLC_OBJECT(p_libvlc)))
 297     {
 298         module_EndBank (true);
 299         return VLC_EEXITSUCCESS;
 300     }
 301
 302     if( module_count <= 1 )
 303     {
 304         msg_Err( p_libvlc, "No plugins found! Check your VLC installation.");
 305         module_EndBank (true);
 306         return VLC_ENOITEM;
 307     }
 308
 309 #ifdef HAVE_DAEMON
 310     /* Check for daemon mode */
 311     if( var_InheritBool( p_libvlc, "daemon" ) )
 312     {
 313         char *psz_pidfile = NULL;
 314
 315         if( daemon( 1, 0) != 0 )
 316         {
 317             msg_Err( p_libvlc, "Unable to fork vlc to daemon mode" );
 318             module_EndBank (true);
 319             return VLC_EEXIT;
 320         }
 321         b_daemon = true;
 322
 323         /* lets check if we need to write the pidfile */
 324         psz_pidfile = var_CreateGetNonEmptyString( p_libvlc, "pidfile" );
 325         if( psz_pidfile != NULL )
 326         {
 327             FILE *pidfile;
 328             pid_t i_pid = getpid ();
 329             msg_Dbg( p_libvlc, "PID is %d, writing it to %s",
 330                                i_pid, psz_pidfile );
 331             pidfile = vlc_fopen( psz_pidfile,"w" );
 332             if( pidfile != NULL )
 333             {
 334                 utf8_fprintf( pidfile, "%d", (int)i_pid );
 335                 fclose( pidfile );
 336             }
 337             else
 338             {
 339                 msg_Err( p_libvlc, "cannot open pid file for writing: %s (%m)",
 340                          psz_pidfile );
 341             }
 342         }
 343         free( psz_pidfile );
 344     }
 345 #endif
 346
 347 /* FIXME: could be replaced by using Unix sockets */
 348 #ifdef HAVE_DBUS
 349     dbus_threads_init_default();
 350
 351     if( var_InheritBool( p_libvlc, "one-instance" )
 352     || ( var_InheritBool( p_libvlc, "one-instance-when-started-from-file" )
 353       && var_InheritBool( p_libvlc, "started-from-file" ) ) )
 354     {
 355         /* Initialise D-Bus interface, check for other instances */
 356         DBusConnection  *p_conn = NULL;
 357         DBusError       dbus_error;
 358
 359         dbus_error_init( &dbus_error );
 360
 361         /* connect to the session bus */
 362         p_conn = dbus_bus_get( DBUS_BUS_SESSION, &dbus_error );
 363         if( !p_conn )
 364         {
 365             msg_Err( p_libvlc, "Failed to connect to D-Bus session daemon: %s",
 366                     dbus_error.message );
 367             dbus_error_free( &dbus_error );
 368         }
 369         else
 370         {
 371             /* check if VLC is available on the bus
 372              * if not: D-Bus control is not enabled on the other
 373              * instance and we can't pass MRLs to it */
 374             DBusMessage *p_test_msg   = NULL;
 375             DBusMessage *p_test_reply = NULL;
 376
 377             p_test_msg =  dbus_message_new_method_call(
 378                     "org.mpris.MediaPlayer2.vlc", "/org/mpris/MediaPlayer2",
 379                     "org.freedesktop.DBus.Introspectable", "Introspect" );
 380
 381             /* block until a reply arrives */
 382             p_test_reply = dbus_connection_send_with_reply_and_block(
 383                     p_conn, p_test_msg, -1, &dbus_error );
 384             dbus_message_unref( p_test_msg );
 385             if( p_test_reply == NULL )
 386             {
 387                 dbus_error_free( &dbus_error );
 388                 msg_Dbg( p_libvlc, "No Media Player is running. "
 389                         "Continuing normally." );
 390             }
 391             else
 392             {
 393                 int i_input;
 394                 DBusMessage* p_dbus_msg = NULL;
 395                 DBusMessageIter dbus_args;
 396                 DBusPendingCall* p_dbus_pending = NULL;
 397                 dbus_bool_t b_play;
 398
 399                 dbus_message_unref( p_test_reply );
 400                 msg_Warn( p_libvlc, "Another Media Player is running. Exiting");
 401
 402                 for( i_input = vlc_optind; i_input < i_argc;i_input++ )
 403                 {
 404                     /* Skip input options, we can't pass them through D-Bus */
 405                     if( ppsz_argv[i_input][0] == ':' )
 406                     {
 407                         msg_Warn( p_libvlc, "Ignoring option %s",
 408                                   ppsz_argv[i_input] );
 409                         continue;
 410                     }
 411
 412                     /* We need to resolve relative paths in this instance */
 413                     char *psz_mrl = make_URI( ppsz_argv[i_input], NULL );
 414                     const char *psz_after_track = "/";
 415
 416                     if( psz_mrl == NULL )
 417                         continue;
 418                     msg_Dbg( p_libvlc, "Adds %s to the running Media Player",
 419                              psz_mrl );
 420
 421                     p_dbus_msg = dbus_message_new_method_call(
 422                         "org.mpris.MediaPlayer2.vlc", "/org/mpris/MediaPlayer2",
 423                         "org.mpris.MediaPlayer2.TrackList", "AddTrack" );
 424
 425                     if ( NULL == p_dbus_msg )
 426                     {
 427                         msg_Err( p_libvlc, "D-Bus problem" );
 428                         free( psz_mrl );
 429                         system_End( );
 430                         exit( 1 );
 431                     }
 432
 433                     /* append MRLs */
 434                     dbus_message_iter_init_append( p_dbus_msg, &dbus_args );
 435                     if ( !dbus_message_iter_append_basic( &dbus_args,
 436                                 DBUS_TYPE_STRING, &psz_mrl ) )
 437                     {
 438                         dbus_message_unref( p_dbus_msg );
 439                         free( psz_mrl );
 440                         system_End( );
 441                         exit( 1 );
 442                     }
 443                     free( psz_mrl );
 444
 445                     if( !dbus_message_iter_append_basic( &dbus_args,
 446                                 DBUS_TYPE_OBJECT_PATH, &psz_after_track ) )
 447                     {
 448                         dbus_message_unref( p_dbus_msg );
 449                         system_End( );
 450                         exit( 1 );
 451                     }
 452
 453                     b_play = TRUE;
 454                     if( var_InheritBool( p_libvlc, "playlist-enqueue" ) )
 455                         b_play = FALSE;
 456
 457                     if ( !dbus_message_iter_append_basic( &dbus_args,
 458                                 DBUS_TYPE_BOOLEAN, &b_play ) )
 459                     {
 460                         dbus_message_unref( p_dbus_msg );
 461                         system_End( );
 462                         exit( 1 );
 463                     }
 464
 465                     /* send message and get a handle for a reply */
 466                     if ( !dbus_connection_send_with_reply ( p_conn,
 467                                 p_dbus_msg, &p_dbus_pending, -1 ) )
 468                     {
 469                         msg_Err( p_libvlc, "D-Bus problem" );
 470                         dbus_message_unref( p_dbus_msg );
 471                         system_End( );
 472                         exit( 1 );
 473                     }
 474
 475                     if ( NULL == p_dbus_pending )
 476                     {
 477                         msg_Err( p_libvlc, "D-Bus problem" );
 478                         dbus_message_unref( p_dbus_msg );
 479                         system_End( );
 480                         exit( 1 );
 481                     }
 482                     dbus_connection_flush( p_conn );
 483                     dbus_message_unref( p_dbus_msg );
 484                     /* block until we receive a reply */
 485                     dbus_pending_call_block( p_dbus_pending );
 486                     dbus_pending_call_unref( p_dbus_pending );
 487                 } /* processes all command line MRLs */
 488
 489                 /* bye bye */
 490                 system_End( );
 491                 exit( 0 );
 492             }
 493         }
 494         /* we unreference the connection when we've finished with it */
 495         if( p_conn ) dbus_connection_unref( p_conn );
 496     }
 497 #endif
 498
 499     /*
 500      * Message queue options
 501      */
 502     /* Last chance to set the verbosity. Once we start interfaces and other
 503      * threads, verbosity becomes read-only. */
 504     var_Create( p_libvlc, "verbose", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 505     if( var_InheritBool( p_libvlc, "quiet" ) )
 506     {
 507         var_SetInteger( p_libvlc, "verbose", -1 );
 508         priv->i_verbose = -1;
 509     }
 510     vlc_threads_setup( p_libvlc );
 511
 512     if( priv->b_color )
 513         priv->b_color = var_InheritBool( p_libvlc, "color" );
 514
 515     vlc_CPU_dump( VLC_OBJECT(p_libvlc) );
 516     /*
 517      * Choose the best memcpy module
 518      */
 519     priv->p_memcpy_module = module_need( p_libvlc, "memcpy", "$memcpy", false );
 520     /* Avoid being called "memcpy":*/
 521     vlc_object_set_name( p_libvlc, "main" );
 522
 523     priv->b_stats = var_InheritBool( p_libvlc, "stats" );
 524     priv->i_timers = 0;
 525     priv->pp_timers = NULL;
 526
 527     /*
 528      * Initialize hotkey handling
 529      */
 530     priv->actions = vlc_InitActions( p_libvlc );
 531
 532     /* Create a variable for showing the fullscreen interface */
 533     var_Create( p_libvlc, "intf-toggle-fscontrol", VLC_VAR_BOOL );
 534     var_SetBool( p_libvlc, "intf-toggle-fscontrol", true );
 535
 536     /* Create a variable for the Boss Key */
 537     var_Create( p_libvlc, "intf-boss", VLC_VAR_VOID );
 538
 539     /* Create a variable for showing the right click menu */
 540     var_Create( p_libvlc, "intf-popupmenu", VLC_VAR_BOOL );
 541
 542     /* variables for signalling creation of new files */
 543     var_Create( p_libvlc, "snapshot-file", VLC_VAR_STRING );
 544     var_Create( p_libvlc, "record-file", VLC_VAR_STRING );
 545
 546     /* some default internal settings */
 547     var_Create( p_libvlc, "window", VLC_VAR_STRING );
 548     var_Create( p_libvlc, "user-agent", VLC_VAR_STRING );
 549     var_SetString( p_libvlc, "user-agent", "(LibVLC "VERSION")" );
 550
 551     /* Initialize playlist and get commandline files */
 552     p_playlist = playlist_Create( VLC_OBJECT(p_libvlc) );
 553     if( !p_playlist )
 554     {
 555         msg_Err( p_libvlc, "playlist initialization failed" );
 556         if( priv->p_memcpy_module != NULL )
 557         {
 558             module_unneed( p_libvlc, priv->p_memcpy_module );
 559         }
 560         module_EndBank (true);
 561         return VLC_EGENERIC;
 562     }
 563
 564     /* System specific configuration */
 565     system_Configure( p_libvlc, i_argc - vlc_optind, ppsz_argv + vlc_optind );
 566
 567 #if defined(MEDIA_LIBRARY)
 568     /* Get the ML */
 569     if( var_GetBool( p_libvlc, "load-media-library-on-startup" ) )
 570     {
 571         priv->p_ml = ml_Create( VLC_OBJECT( p_libvlc ), NULL );
 572         if( !priv->p_ml )
 573         {
 574             msg_Err( p_libvlc, "ML initialization failed" );
 575             return VLC_EGENERIC;
 576         }
 577     }
 578     else
 579     {
 580         priv->p_ml = NULL;
 581     }
 582 #endif
 583
 584     /* Add service discovery modules */
 585     psz_modules = var_InheritString( p_libvlc, "services-discovery" );
 586     if( psz_modules )
 587     {
 588         char *p = psz_modules, *m;
 589         while( ( m = strsep( &p, " :," ) ) != NULL )
 590             playlist_ServicesDiscoveryAdd( p_playlist, m );
 591         free( psz_modules );
 592     }
 593
 594 #ifdef ENABLE_VLM
 595     /* Initialize VLM if vlm-conf is specified */
 596     psz_parser = var_CreateGetNonEmptyString( p_libvlc, "vlm-conf" );
 597     if( psz_parser )
 598     {
 599         priv->p_vlm = vlm_New( p_libvlc );
 600         if( !priv->p_vlm )
 601             msg_Err( p_libvlc, "VLM initialization failed" );
 602     }
 603     free( psz_parser );
 604 #endif
 605
 606     /*
 607      * Load background interfaces
 608      */
 609     psz_modules = var_CreateGetNonEmptyString( p_libvlc, "extraintf" );
 610     psz_control = var_CreateGetNonEmptyString( p_libvlc, "control" );
 611
 612     if( psz_modules && psz_control )
 613     {
 614         char* psz_tmp;
 615         if( asprintf( &psz_tmp, "%s:%s", psz_modules, psz_control ) != -1 )
 616         {
 617             free( psz_modules );
 618             psz_modules = psz_tmp;
 619         }
 620     }
 621     else if( psz_control )
 622     {
 623         free( psz_modules );
 624         psz_modules = strdup( psz_control );
 625     }
 626
 627     psz_parser = psz_modules;
 628     while ( psz_parser && *psz_parser )
 629     {
 630         char *psz_module, *psz_temp;
 631         psz_module = psz_parser;
 632         psz_parser = strchr( psz_module, ':' );
 633         if ( psz_parser )
 634         {
 635             *psz_parser = '\0';
 636             psz_parser++;
 637         }
 638         if( asprintf( &psz_temp, "%s,none", psz_module ) != -1)
 639         {
 640             intf_Create( p_libvlc, psz_temp );
 641             free( psz_temp );
 642         }
 643     }
 644     free( psz_modules );
 645     free( psz_control );
 646
 647     /*
 648      * Always load the hotkeys interface if it exists
 649      */
 650     intf_Create( p_libvlc, "hotkeys,none" );
 651
 652 #ifdef HAVE_DBUS
 653     /* loads dbus control interface if in one-instance mode
 654      * we do it only when playlist exists, because dbus module needs it */
 655     if( var_InheritBool( p_libvlc, "one-instance" )
 656      || ( var_InheritBool( p_libvlc, "one-instance-when-started-from-file" )
 657        && var_InheritBool( p_libvlc, "started-from-file" ) ) )
 658         intf_Create( p_libvlc, "dbus,none" );
 659
 660 # if !defined (HAVE_MAEMO)
 661     /* Prevents the power management daemon from suspending the system
 662      * when VLC is active */
 663     if( var_InheritBool( p_libvlc, "inhibit" ) > 0 )
 664         intf_Create( p_libvlc, "inhibit,none" );
 665 # endif
 666 #endif
 667
 668     if( var_InheritBool( p_libvlc, "file-logging" ) &&
 669         !var_InheritBool( p_libvlc, "syslog" ) )
 670     {
 671         intf_Create( p_libvlc, "logger,none" );
 672     }
 673 #ifdef HAVE_SYSLOG_H
 674     if( var_InheritBool( p_libvlc, "syslog" ) )
 675     {
 676         char *logmode = var_CreateGetNonEmptyString( p_libvlc, "logmode" );
 677         var_SetString( p_libvlc, "logmode", "syslog" );
 678         intf_Create( p_libvlc, "logger,none" );
 679
 680         if( logmode )
 681         {
 682             var_SetString( p_libvlc, "logmode", logmode );
 683             free( logmode );
 684         }
 685         var_Destroy( p_libvlc, "logmode" );
 686     }
 687 #endif
 688
 689     if( var_InheritBool( p_libvlc, "network-synchronisation") )
 690     {
 691         intf_Create( p_libvlc, "netsync,none" );
 692     }
 693
 694 #ifdef __APPLE__
 695     var_Create( p_libvlc, "drawable-view-top", VLC_VAR_INTEGER );
 696     var_Create( p_libvlc, "drawable-view-left", VLC_VAR_INTEGER );
 697     var_Create( p_libvlc, "drawable-view-bottom", VLC_VAR_INTEGER );
 698     var_Create( p_libvlc, "drawable-view-right", VLC_VAR_INTEGER );
 699     var_Create( p_libvlc, "drawable-clip-top", VLC_VAR_INTEGER );
 700     var_Create( p_libvlc, "drawable-clip-left", VLC_VAR_INTEGER );
 701     var_Create( p_libvlc, "drawable-clip-bottom", VLC_VAR_INTEGER );
 702     var_Create( p_libvlc, "drawable-clip-right", VLC_VAR_INTEGER );
 703     var_Create( p_libvlc, "drawable-nsobject", VLC_VAR_ADDRESS );
 704 #endif
 705 #ifdef WIN32
 706     var_Create( p_libvlc, "drawable-hwnd", VLC_VAR_INTEGER );
 707 #endif
 708
 709     /*
 710      * Get input filenames given as commandline arguments.
 711      * We assume that the remaining parameters are filenames
 712      * and their input options.
 713      */
 714     GetFilenames( p_libvlc, i_argc - vlc_optind, ppsz_argv + vlc_optind );
 715
 716     /*
 717      * Get --open argument
 718      */
 719     psz_val = var_InheritString( p_libvlc, "open" );
 720     if ( psz_val != NULL )
 721     {
 722         playlist_AddExt( p_playlist, psz_val, NULL, PLAYLIST_INSERT, 0,
 723                          -1, 0, NULL, 0, true, pl_Unlocked );
 724         free( psz_val );
 725     }
 726
 727     return VLC_SUCCESS;
 728 }
 729
 730 /**
 731  * Cleanup a libvlc instance. The instance is not completely deallocated
 732  * \param p_libvlc the instance to clean
 733  */
 734 void libvlc_InternalCleanup( libvlc_int_t *p_libvlc )
 735 {
 736     libvlc_priv_t *priv = libvlc_priv (p_libvlc);
 737     playlist_t    *p_playlist = libvlc_priv (p_libvlc)->p_playlist;
 738
 739     /* Deactivate the playlist */
 740     msg_Dbg( p_libvlc, "deactivating the playlist" );
 741     pl_Deactivate( p_libvlc );
 742
 743     /* Remove all services discovery */
 744     msg_Dbg( p_libvlc, "removing all services discovery tasks" );
 745     playlist_ServicesDiscoveryKillAll( p_playlist );
 746
 747     /* Ask the interfaces to stop and destroy them */
 748     msg_Dbg( p_libvlc, "removing all interfaces" );
 749     libvlc_Quit( p_libvlc );
 750     intf_DestroyAll( p_libvlc );
 751
 752 #ifdef ENABLE_VLM
 753     /* Destroy VLM if created in libvlc_InternalInit */
 754     if( priv->p_vlm )
 755     {
 756         vlm_Delete( priv->p_vlm );
 757     }
 758 #endif
 759
 760 #if defined(MEDIA_LIBRARY)
 761     media_library_t* p_ml = priv->p_ml;
 762     if( p_ml )
 763     {
 764         ml_Destroy( VLC_OBJECT( p_ml ) );
 765         vlc_object_release( p_ml );
 766         libvlc_priv(p_playlist->p_libvlc)->p_ml = NULL;
 767     }
 768 #endif
 769
 770     /* Free playlist now, all threads are gone */
 771     playlist_Destroy( p_playlist );
 772     stats_TimersDumpAll( p_libvlc );
 773     stats_TimersCleanAll( p_libvlc );
 774
 775     msg_Dbg( p_libvlc, "removing stats" );
 776
 777 #ifndef WIN32
 778     char* psz_pidfile = NULL;
 779
 780     if( b_daemon )
 781     {
 782         psz_pidfile = var_CreateGetNonEmptyString( p_libvlc, "pidfile" );
 783         if( psz_pidfile != NULL )
 784         {
 785             msg_Dbg( p_libvlc, "removing pid file %s", psz_pidfile );
 786             if( unlink( psz_pidfile ) == -1 )
 787             {
 788                 msg_Dbg( p_libvlc, "removing pid file %s: %m",
 789                         psz_pidfile );
 790             }
 791         }
 792         free( psz_pidfile );
 793     }
 794 #endif
 795
 796     if( priv->p_memcpy_module )
 797     {
 798         module_unneed( p_libvlc, priv->p_memcpy_module );
 799         priv->p_memcpy_module = NULL;
 800     }
 801
 802     /* Save the configuration */
 803     if( !var_InheritBool( p_libvlc, "ignore-config" ) )
 804         config_AutoSaveConfigFile( VLC_OBJECT(p_libvlc) );
 805
 806     /* Free module bank. It is refcounted, so we call this each time  */
 807     module_EndBank (true);
 808
 809     vlc_DeinitActions( p_libvlc, priv->actions );
 810 }
 811
 812 /**
 813  * Destroy everything.
 814  * This function requests the running threads to finish, waits for their
 815  * termination, and destroys their structure.
 816  * It stops the thread systems: no instance can run after this has run
 817  * \param p_libvlc the instance to destroy
 818  */
 819 void libvlc_InternalDestroy( libvlc_int_t *p_libvlc )
 820 {
 821     libvlc_priv_t *priv = libvlc_priv( p_libvlc );
 822
 823     system_End( );
 824
 825     /* Destroy mutexes */
 826     vlc_ExitDestroy( &priv->exit );
 827     vlc_mutex_destroy( &priv->timer_lock );
 828     vlc_mutex_destroy( &priv->ml_lock );
 829
 830 #ifndef NDEBUG /* Hack to dump leaked objects tree */
 831     if( vlc_internals( p_libvlc )->i_refcount > 1 )
 832         while( vlc_internals( p_libvlc )->i_refcount > 0 )
 833             vlc_object_release( p_libvlc );
 834 #endif
 835
 836     assert( vlc_internals( p_libvlc )->i_refcount == 1 );
 837     vlc_object_release( p_libvlc );
 838 }
 839
 840 /**
 841  * Add an interface plugin and run it
 842  */
 843 int libvlc_InternalAddIntf( libvlc_int_t *p_libvlc, char const *psz_module )
 844 {
 845     if( !p_libvlc )
 846         return VLC_EGENERIC;
 847
 848     if( !psz_module ) /* requesting the default interface */
 849     {
 850         char *psz_interface = var_CreateGetNonEmptyString( p_libvlc, "intf" );
 851         if( !psz_interface ) /* "intf" has not been set */
 852         {
 853 #ifndef WIN32
 854             if( b_daemon )
 855                  /* Daemon mode hack.
 856                   * We prefer the dummy interface if none is specified. */
 857                 psz_module = "dummy";
 858             else
 859 #endif
 860                 msg_Info( p_libvlc, "%s",
 861                           _("Running vlc with the default interface. "
 862                             "Use 'cvlc' to use vlc without interface.") );
 863         }
 864         free( psz_interface );
 865         var_Destroy( p_libvlc, "intf" );
 866     }
 867
 868     /* Try to create the interface */
 869     int ret = intf_Create( p_libvlc, psz_module ? psz_module : "$intf" );
 870     if( ret )
 871         msg_Err( p_libvlc, "interface \"%s\" initialization failed",
 872                  psz_module ? psz_module : "default" );
 873     return ret;
 874 }
 875
 876 #if defined( ENABLE_NLS ) && (defined (__APPLE__) || defined (WIN32)) && \
 877     ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
 878 /*****************************************************************************
 879  * SetLanguage: set the interface language.
 880  *****************************************************************************
 881  * We set the LC_MESSAGES locale category for interface messages and buttons,
 882  * as well as the LC_CTYPE category for string sorting and possible wide
 883  * character support.
 884  *****************************************************************************/
 885 static void SetLanguage ( const char *psz_lang )
 886 {
 887 #ifdef __APPLE__
 888     /* I need that under Darwin, please check it doesn't disturb
 889      * other platforms. --Meuuh */
 890     setenv( "LANG", psz_lang, 1 );
 891
 892 #else
 893     /* We set LC_ALL manually because it is the only way to set
 894      * the language at runtime under eg. Windows. Beware that this
 895      * makes the environment unconsistent when libvlc is unloaded and
 896      * should probably be moved to a safer place like vlc.c. */
 897     setenv( "LC_ALL", psz_lang, 1 );
 898
 899 #endif
 900
 901     setlocale( LC_ALL, psz_lang );
 902 }
 903 #endif
 904
 905 /*****************************************************************************
 906  * GetFilenames: parse command line options which are not flags
 907  *****************************************************************************
 908  * Parse command line for input files as well as their associated options.
 909  * An option always follows its associated input and begins with a ":".
 910  *****************************************************************************/
 911 static void GetFilenames( libvlc_int_t *p_vlc, unsigned n,
 912                           const char *const args[] )
 913 {
 914     while( n > 0 )
 915     {
 916         /* Count the input options */
 917         unsigned i_options = 0;
 918
 919         while( args[--n][0] == ':' )
 920         {
 921             i_options++;
 922             if( n == 0 )
 923             {
 924                 msg_Warn( p_vlc, "options %s without item", args[n] );
 925                 return; /* syntax!? */
 926             }
 927         }
 928
 929         char *mrl = make_URI( args[n], NULL );
 930         if( !mrl )
 931             continue;
 932
 933         playlist_AddExt( pl_Get( p_vlc ), mrl, NULL, PLAYLIST_INSERT,
 934                 0, -1, i_options, ( i_options ? &args[n + 1] : NULL ),
 935                 VLC_INPUT_OPTION_TRUSTED, true, pl_Unlocked );
 936         free( mrl );
 937     }
 938 }