src/libvlc.c

   1 /*****************************************************************************
   2  * libvlc.c: libvlc instances creation and deletion, interfaces handling
   3  *****************************************************************************
   4  * Copyright (C) 1998-2008 VLC authors and VideoLAN
   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 it
  14  * under the terms of the GNU Lesser General Public License as published by
  15  * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
  22  *
  23  * You should have received a copy of the GNU Lesser General Public License
  24  * along with this program; if not, write to the Free Software Foundation,
  25  * 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 #include <errno.h>
  50
  51 #include "config/vlc_getopt.h"
  52
  53 #ifdef HAVE_DBUS
  54 /* used for one-instance mode */
  55 #   include <dbus/dbus.h>
  56 #endif
  57
  58
  59 #include <vlc_playlist.h>
  60 #include <vlc_interface.h>
  61
  62 #include <vlc_charset.h>
  63 #include <vlc_fs.h>
  64 #include <vlc_cpu.h>
  65 #include <vlc_url.h>
  66 #include <vlc_modules.h>
  67
  68 #include "libvlc.h"
  69 #include "playlist/playlist_internal.h"
  70 #include "misc/variables.h"
  71
  72 #include <vlc_vlm.h>
  73
  74 #ifdef __APPLE__
  75 # include <libkern/OSAtomic.h>
  76 #endif
  77
  78 #include <assert.h>
  79
  80 /*****************************************************************************
  81  * The evil global variables. We handle them with care, don't worry.
  82  *****************************************************************************/
  83
  84 #if !defined(_WIN32) && !defined(__OS2__)
  85 static bool b_daemon = false;
  86 #endif
  87
  88 /*****************************************************************************
  89  * Local prototypes
  90  *****************************************************************************/
  91 static void GetFilenames  ( libvlc_int_t *, unsigned, const char *const [] );
  92
  93 /**
  94  * Allocate a libvlc instance, initialize global data if needed
  95  * It also initializes the threading system
  96  */
  97 libvlc_int_t * libvlc_InternalCreate( void )
  98 {
  99     libvlc_int_t *p_libvlc;
 100     libvlc_priv_t *priv;
 101
 102     /* Now that the thread system is initialized, we don't have much, but
 103      * at least we have variables */
 104     /* Allocate a libvlc instance object */
 105     p_libvlc = vlc_custom_create( (vlc_object_t *)NULL, sizeof (*priv),
 106                                   "libvlc" );
 107     if( p_libvlc == NULL )
 108         return NULL;
 109
 110     priv = libvlc_priv (p_libvlc);
 111     priv->p_playlist = NULL;
 112     priv->p_dialog_provider = NULL;
 113     priv->p_vlm = NULL;
 114
 115     vlc_ExitInit( &priv->exit );
 116
 117     return p_libvlc;
 118 }
 119
 120 /**
 121  * Initialize a libvlc instance
 122  * This function initializes a previously allocated libvlc instance:
 123  *  - CPU detection
 124  *  - gettext initialization
 125  *  - message queue, module bank and playlist initialization
 126  *  - configuration and commandline parsing
 127  */
 128 int libvlc_InternalInit( libvlc_int_t *p_libvlc, int i_argc,
 129                          const char *ppsz_argv[] )
 130 {
 131     libvlc_priv_t *priv = libvlc_priv (p_libvlc);
 132     char *       psz_modules = NULL;
 133     char *       psz_parser = NULL;
 134     char *       psz_control = NULL;
 135     char        *psz_val;
 136
 137     /* System specific initialization code */
 138     system_Init();
 139
 140     /* Initialize the module bank and load the configuration of the
 141      * core module. We need to do this at this stage to be able to display
 142      * a short help if required by the user. (short help == core module
 143      * options) */
 144     module_InitBank ();
 145
 146     /* Get command line options that affect module loading. */
 147     if( config_LoadCmdLine( p_libvlc, i_argc, ppsz_argv, NULL ) )
 148     {
 149         module_EndBank (false);
 150         return VLC_EGENERIC;
 151     }
 152
 153     vlc_LogInit (p_libvlc);
 154     vlc_threads_setup (p_libvlc);
 155
 156     /* Load the builtins and plugins into the module_bank.
 157      * We have to do it before config_Load*() because this also gets the
 158      * list of configuration options exported by each module and loads their
 159      * default values. */
 160     size_t module_count = module_LoadPlugins (p_libvlc);
 161
 162     /*
 163      * Override default configuration with config file settings
 164      */
 165     if( !var_InheritBool( p_libvlc, "ignore-config" ) )
 166     {
 167         if( var_InheritBool( p_libvlc, "reset-config" ) )
 168             config_SaveConfigFile( p_libvlc ); /* Save default config */
 169         else
 170             config_LoadConfigFile( p_libvlc );
 171     }
 172
 173     /*
 174      * Override configuration with command line settings
 175      */
 176     int vlc_optind;
 177     if( config_LoadCmdLine( p_libvlc, i_argc, ppsz_argv, &vlc_optind ) )
 178     {
 179         module_EndBank (true);
 180         vlc_LogDeinit (p_libvlc);
 181         return VLC_EGENERIC;
 182     }
 183
 184     /*
 185      * Support for gettext
 186      */
 187 #if defined( ENABLE_NLS ) \
 188      && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
 189     vlc_bindtextdomain (PACKAGE_NAME);
 190 #endif
 191     /*xgettext: Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
 192     msg_Dbg( p_libvlc, "translation test: code is \"%s\"", _("C") );
 193
 194     if (config_PrintHelp (VLC_OBJECT(p_libvlc)))
 195     {
 196         module_EndBank (true);
 197         exit(0);
 198     }
 199
 200     if( module_count <= 1 )
 201     {
 202         msg_Err( p_libvlc, "No plugins found! Check your VLC installation.");
 203         module_EndBank (true);
 204         vlc_LogDeinit (p_libvlc);
 205         return VLC_ENOMOD;
 206     }
 207
 208 #ifdef HAVE_DAEMON
 209     /* Check for daemon mode */
 210     if( var_InheritBool( p_libvlc, "daemon" ) )
 211     {
 212         char *psz_pidfile = NULL;
 213
 214         if( daemon( 1, 0) != 0 )
 215         {
 216             msg_Err( p_libvlc, "Unable to fork vlc to daemon mode" );
 217             module_EndBank (true);
 218             vlc_LogDeinit (p_libvlc);
 219             return VLC_ENOMEM;
 220         }
 221         b_daemon = true;
 222
 223         /* lets check if we need to write the pidfile */
 224         psz_pidfile = var_CreateGetNonEmptyString( p_libvlc, "pidfile" );
 225         if( psz_pidfile != NULL )
 226         {
 227             FILE *pidfile;
 228             pid_t i_pid = getpid ();
 229             msg_Dbg( p_libvlc, "PID is %d, writing it to %s",
 230                                i_pid, psz_pidfile );
 231             pidfile = vlc_fopen( psz_pidfile,"w" );
 232             if( pidfile != NULL )
 233             {
 234                 utf8_fprintf( pidfile, "%d", (int)i_pid );
 235                 fclose( pidfile );
 236             }
 237             else
 238             {
 239                 msg_Err( p_libvlc, "cannot open pid file %s for writing: %s",
 240                          psz_pidfile, vlc_strerror_c(errno) );
 241             }
 242         }
 243         free( psz_pidfile );
 244     }
 245 #endif
 246
 247 /* FIXME: could be replaced by using Unix sockets */
 248 #ifdef HAVE_DBUS
 249
 250 #define MPRIS_APPEND "/org/mpris/MediaPlayer2/TrackList/Append"
 251 #define MPRIS_BUS_NAME "org.mpris.MediaPlayer2.vlc"
 252 #define MPRIS_OBJECT_PATH "/org/mpris/MediaPlayer2"
 253 #define MPRIS_TRACKLIST_INTERFACE "org.mpris.MediaPlayer2.TrackList"
 254
 255     if( var_InheritBool( p_libvlc, "one-instance" )
 256     || ( var_InheritBool( p_libvlc, "one-instance-when-started-from-file" )
 257       && var_InheritBool( p_libvlc, "started-from-file" ) ) )
 258     {
 259         for( int i = vlc_optind; i < i_argc; i++ )
 260             if( ppsz_argv[i][0] == ':' )
 261             {
 262                 msg_Err( p_libvlc, "item option %s incompatible with single instance",
 263                          ppsz_argv[i] );
 264                 goto dbus_out;
 265             }
 266
 267         /* Initialise D-Bus interface, check for other instances */
 268         dbus_threads_init_default();
 269
 270         DBusError err;
 271         dbus_error_init( &err );
 272
 273         /* connect to the session bus */
 274         DBusConnection  *conn = dbus_bus_get( DBUS_BUS_SESSION, &err );
 275         if( conn == NULL )
 276         {
 277             msg_Err( p_libvlc, "Failed to connect to D-Bus session daemon: %s",
 278                     err.message );
 279             dbus_error_free( &err );
 280             goto dbus_out;
 281         }
 282
 283         /* check if VLC is available on the bus
 284          * if not: D-Bus control is not enabled on the other
 285          * instance and we can't pass MRLs to it */
 286         /* FIXME: This check is totally brain-dead and buggy. */
 287         if( !dbus_bus_name_has_owner( conn, MPRIS_BUS_NAME, &err ) )
 288         {
 289             dbus_connection_unref( conn );
 290             if( dbus_error_is_set( &err ) )
 291             {
 292                 msg_Err( p_libvlc, "D-Bus error: %s", err.message );
 293             }
 294             else
 295                 msg_Dbg( p_libvlc, "No media player running. Continuing normally." );
 296             dbus_error_free( &err );
 297             goto dbus_out;
 298         }
 299
 300         const dbus_bool_t play = !var_InheritBool( p_libvlc, "playlist-enqueue" );
 301
 302         msg_Warn( p_libvlc, "media player running. Exiting...");
 303         for( int i = vlc_optind; i < i_argc; i++ )
 304         {
 305             DBusMessage *msg = dbus_message_new_method_call(
 306                MPRIS_BUS_NAME, MPRIS_OBJECT_PATH, MPRIS_TRACKLIST_INTERFACE, "AddTrack" );
 307             if( unlikely(msg == NULL) )
 308                 continue;
 309
 310             /* We need to resolve relative paths in this instance */
 311             char *mrl;
 312             if( strstr( ppsz_argv[i], "://" ) )
 313                 mrl = strdup( ppsz_argv[i] );
 314             else
 315                 mrl = vlc_path2uri( ppsz_argv[i], NULL );
 316             if( mrl == NULL )
 317             {
 318                 dbus_message_unref( msg );
 319                 continue;
 320             }
 321
 322             const char *after_track = MPRIS_APPEND;
 323
 324             /* append MRLs */
 325             if( !dbus_message_append_args( msg, DBUS_TYPE_STRING, &mrl,
 326                                                 DBUS_TYPE_OBJECT_PATH, &after_track,
 327                                                 DBUS_TYPE_BOOLEAN, &play,
 328                                                 DBUS_TYPE_INVALID ) )
 329             {
 330                  dbus_message_unref( msg );
 331                  msg = NULL;
 332                  free( mrl );
 333                  continue;
 334             }
 335
 336             msg_Dbg( p_libvlc, "Adds %s to the running media player", mrl );
 337             free( mrl );
 338
 339             /* send message and get a handle for a reply */
 340             DBusMessage *reply = dbus_connection_send_with_reply_and_block( conn, msg, -1,
 341                                                                             &err );
 342             dbus_message_unref( msg );
 343             if( reply == NULL )
 344             {
 345                 msg_Err( p_libvlc, "D-Bus error: %s", err.message );
 346                 continue;
 347             }
 348             dbus_message_unref( reply );
 349         }
 350         /* we unreference the connection when we've finished with it */
 351         dbus_connection_unref( conn );
 352         exit( 1 );
 353     }
 354 #undef MPRIS_APPEND
 355 #undef MPRIS_BUS_NAME
 356 #undef MPRIS_OBJECT_PATH
 357 #undef MPRIS_TRACKLIST_INTERFACE
 358 dbus_out:
 359 #endif // HAVE_DBUS
 360
 361     vlc_CPU_dump( VLC_OBJECT(p_libvlc) );
 362
 363     priv->b_stats = var_InheritBool( p_libvlc, "stats" );
 364
 365     /*
 366      * Initialize hotkey handling
 367      */
 368     priv->actions = vlc_InitActions( p_libvlc );
 369
 370     /* Create a variable for showing the fullscreen interface */
 371     var_Create( p_libvlc, "intf-toggle-fscontrol", VLC_VAR_BOOL );
 372     var_SetBool( p_libvlc, "intf-toggle-fscontrol", true );
 373
 374     /* Create a variable for the Boss Key */
 375     var_Create( p_libvlc, "intf-boss", VLC_VAR_VOID );
 376
 377     /* Create a variable for showing the main interface */
 378     var_Create( p_libvlc, "intf-show", VLC_VAR_BOOL );
 379
 380     /* Create a variable for showing the right click menu */
 381     var_Create( p_libvlc, "intf-popupmenu", VLC_VAR_BOOL );
 382
 383     /* variables for signalling creation of new files */
 384     var_Create( p_libvlc, "snapshot-file", VLC_VAR_STRING );
 385     var_Create( p_libvlc, "record-file", VLC_VAR_STRING );
 386
 387     /* some default internal settings */
 388     var_Create( p_libvlc, "window", VLC_VAR_STRING );
 389     /* NOTE: Because the playlist and interfaces start before this function
 390      * returns control to the application (DESIGN BUG!), all these variables
 391      * must be created (in place of libvlc_new()) and set to VLC defaults
 392      * (in place of VLC main()) *here*. */
 393     var_Create( p_libvlc, "user-agent", VLC_VAR_STRING );
 394     var_SetString( p_libvlc, "user-agent",
 395                    "VLC media player (LibVLC "VERSION")" );
 396     var_Create( p_libvlc, "http-user-agent", VLC_VAR_STRING );
 397     var_SetString( p_libvlc, "http-user-agent",
 398                    "VLC/"PACKAGE_VERSION" LibVLC/"PACKAGE_VERSION );
 399     var_Create( p_libvlc, "app-icon-name", VLC_VAR_STRING );
 400     var_SetString( p_libvlc, "app-icon-name", PACKAGE_NAME );
 401     var_Create( p_libvlc, "app-id", VLC_VAR_STRING );
 402     var_SetString( p_libvlc, "app-id", "org.VideoLAN.VLC" );
 403     var_Create( p_libvlc, "app-version", VLC_VAR_STRING );
 404     var_SetString( p_libvlc, "app-version", PACKAGE_VERSION );
 405
 406     /* System specific configuration */
 407     system_Configure( p_libvlc, i_argc - vlc_optind, ppsz_argv + vlc_optind );
 408
 409 #ifdef ENABLE_VLM
 410     /* Initialize VLM if vlm-conf is specified */
 411     psz_parser = var_CreateGetNonEmptyString( p_libvlc, "vlm-conf" );
 412     if( psz_parser )
 413     {
 414         priv->p_vlm = vlm_New( p_libvlc );
 415         if( !priv->p_vlm )
 416             msg_Err( p_libvlc, "VLM initialization failed" );
 417     }
 418     free( psz_parser );
 419 #endif
 420
 421     /*
 422      * Load background interfaces
 423      */
 424     psz_modules = var_CreateGetNonEmptyString( p_libvlc, "extraintf" );
 425     psz_control = var_CreateGetNonEmptyString( p_libvlc, "control" );
 426
 427     if( psz_modules && psz_control )
 428     {
 429         char* psz_tmp;
 430         if( asprintf( &psz_tmp, "%s:%s", psz_modules, psz_control ) != -1 )
 431         {
 432             free( psz_modules );
 433             psz_modules = psz_tmp;
 434         }
 435     }
 436     else if( psz_control )
 437     {
 438         free( psz_modules );
 439         psz_modules = strdup( psz_control );
 440     }
 441
 442     psz_parser = psz_modules;
 443     while ( psz_parser && *psz_parser )
 444     {
 445         char *psz_module, *psz_temp;
 446         psz_module = psz_parser;
 447         psz_parser = strchr( psz_module, ':' );
 448         if ( psz_parser )
 449         {
 450             *psz_parser = '\0';
 451             psz_parser++;
 452         }
 453         if( asprintf( &psz_temp, "%s,none", psz_module ) != -1)
 454         {
 455             intf_Create( p_libvlc, psz_temp );
 456             free( psz_temp );
 457         }
 458     }
 459     free( psz_modules );
 460     free( psz_control );
 461
 462     if( var_InheritBool( p_libvlc, "file-logging" )
 463 #ifdef HAVE_SYSLOG_H
 464         && !var_InheritBool( p_libvlc, "syslog" )
 465 #endif
 466         )
 467     {
 468         intf_Create( p_libvlc, "logger,none" );
 469     }
 470 #ifdef HAVE_SYSLOG_H
 471     if( var_InheritBool( p_libvlc, "syslog" ) )
 472     {
 473         char *logmode = var_CreateGetNonEmptyString( p_libvlc, "logmode" );
 474         var_SetString( p_libvlc, "logmode", "syslog" );
 475         intf_Create( p_libvlc, "logger,none" );
 476
 477         if( logmode )
 478         {
 479             var_SetString( p_libvlc, "logmode", logmode );
 480             free( logmode );
 481         }
 482         var_Destroy( p_libvlc, "logmode" );
 483     }
 484 #endif
 485
 486     if( var_InheritBool( p_libvlc, "network-synchronisation") )
 487     {
 488         intf_Create( p_libvlc, "netsync,none" );
 489     }
 490
 491 #ifdef __APPLE__
 492     var_Create( p_libvlc, "drawable-view-top", VLC_VAR_INTEGER );
 493     var_Create( p_libvlc, "drawable-view-left", VLC_VAR_INTEGER );
 494     var_Create( p_libvlc, "drawable-view-bottom", VLC_VAR_INTEGER );
 495     var_Create( p_libvlc, "drawable-view-right", VLC_VAR_INTEGER );
 496     var_Create( p_libvlc, "drawable-clip-top", VLC_VAR_INTEGER );
 497     var_Create( p_libvlc, "drawable-clip-left", VLC_VAR_INTEGER );
 498     var_Create( p_libvlc, "drawable-clip-bottom", VLC_VAR_INTEGER );
 499     var_Create( p_libvlc, "drawable-clip-right", VLC_VAR_INTEGER );
 500     var_Create( p_libvlc, "drawable-nsobject", VLC_VAR_ADDRESS );
 501 #endif
 502 #if defined (_WIN32) || defined (__OS2__)
 503     var_Create( p_libvlc, "drawable-hwnd", VLC_VAR_INTEGER );
 504 #endif
 505
 506     /*
 507      * Get input filenames given as commandline arguments.
 508      * We assume that the remaining parameters are filenames
 509      * and their input options.
 510      */
 511     GetFilenames( p_libvlc, i_argc - vlc_optind, ppsz_argv + vlc_optind );
 512
 513     /*
 514      * Get --open argument
 515      */
 516     psz_val = var_InheritString( p_libvlc, "open" );
 517     if ( psz_val != NULL )
 518     {
 519         playlist_AddExt( pl_Get(p_libvlc), psz_val, NULL, PLAYLIST_INSERT, 0,
 520                          -1, 0, NULL, 0, true, pl_Unlocked );
 521         free( psz_val );
 522     }
 523
 524     return VLC_SUCCESS;
 525 }
 526
 527 /**
 528  * Cleanup a libvlc instance. The instance is not completely deallocated
 529  * \param p_libvlc the instance to clean
 530  */
 531 void libvlc_InternalCleanup( libvlc_int_t *p_libvlc )
 532 {
 533     libvlc_priv_t *priv = libvlc_priv (p_libvlc);
 534
 535     /* Ask the interfaces to stop and destroy them */
 536     msg_Dbg( p_libvlc, "removing all interfaces" );
 537     libvlc_Quit( p_libvlc );
 538     intf_DestroyAll( p_libvlc );
 539
 540 #ifdef ENABLE_VLM
 541     /* Destroy VLM if created in libvlc_InternalInit */
 542     if( priv->p_vlm )
 543     {
 544         vlm_Delete( priv->p_vlm );
 545     }
 546 #endif
 547
 548     /* Free playlist now, all threads are gone */
 549     playlist_t *p_playlist = libvlc_priv (p_libvlc)->p_playlist;
 550     if( p_playlist != NULL )
 551         playlist_Destroy( p_playlist );
 552
 553     msg_Dbg( p_libvlc, "removing stats" );
 554
 555 #if !defined( _WIN32 ) && !defined( __OS2__ )
 556     char* psz_pidfile = NULL;
 557
 558     if( b_daemon )
 559     {
 560         psz_pidfile = var_CreateGetNonEmptyString( p_libvlc, "pidfile" );
 561         if( psz_pidfile != NULL )
 562         {
 563             msg_Dbg( p_libvlc, "removing pid file %s", psz_pidfile );
 564             if( unlink( psz_pidfile ) == -1 )
 565             {
 566                 msg_Dbg( p_libvlc, "removing pid file %s: %s",
 567                         psz_pidfile, vlc_strerror_c(errno) );
 568             }
 569         }
 570         free( psz_pidfile );
 571     }
 572 #endif
 573
 574     vlc_DeinitActions( p_libvlc, priv->actions );
 575
 576     /* Save the configuration */
 577     if( !var_InheritBool( p_libvlc, "ignore-config" ) )
 578         config_AutoSaveConfigFile( VLC_OBJECT(p_libvlc) );
 579
 580     /* Free module bank. It is refcounted, so we call this each time  */
 581     module_EndBank (true);
 582     vlc_LogDeinit (p_libvlc);
 583 #if defined(_WIN32) || defined(__OS2__)
 584     system_End( );
 585 #endif
 586 }
 587
 588 /**
 589  * Destroy everything.
 590  * This function requests the running threads to finish, waits for their
 591  * termination, and destroys their structure.
 592  * It stops the thread systems: no instance can run after this has run
 593  * \param p_libvlc the instance to destroy
 594  */
 595 void libvlc_InternalDestroy( libvlc_int_t *p_libvlc )
 596 {
 597     libvlc_priv_t *priv = libvlc_priv( p_libvlc );
 598
 599     vlc_ExitDestroy( &priv->exit );
 600
 601     assert( atomic_load(&(vlc_internals(p_libvlc)->refs)) == 1 );
 602     vlc_object_release( p_libvlc );
 603 }
 604
 605 /**
 606  * Add an interface plugin and run it
 607  */
 608 int libvlc_InternalAddIntf( libvlc_int_t *p_libvlc, char const *psz_module )
 609 {
 610     if( !p_libvlc )
 611         return VLC_EGENERIC;
 612
 613     if( !psz_module ) /* requesting the default interface */
 614     {
 615         char *psz_interface = var_CreateGetNonEmptyString( p_libvlc, "intf" );
 616         if( !psz_interface ) /* "intf" has not been set */
 617         {
 618 #if !defined( _WIN32 ) && !defined( __OS2__ )
 619             if( b_daemon )
 620                  /* Daemon mode hack.
 621                   * We prefer the dummy interface if none is specified. */
 622                 psz_module = "dummy";
 623             else
 624 #endif
 625                 msg_Info( p_libvlc, "%s",
 626                           _("Running vlc with the default interface. "
 627                             "Use 'cvlc' to use vlc without interface.") );
 628         }
 629         free( psz_interface );
 630         var_Destroy( p_libvlc, "intf" );
 631     }
 632
 633     /* Try to create the interface */
 634     int ret = intf_Create( p_libvlc, psz_module ? psz_module : "$intf" );
 635     if( ret )
 636         msg_Err( p_libvlc, "interface \"%s\" initialization failed",
 637                  psz_module ? psz_module : "default" );
 638     return ret;
 639 }
 640
 641 /*****************************************************************************
 642  * GetFilenames: parse command line options which are not flags
 643  *****************************************************************************
 644  * Parse command line for input files as well as their associated options.
 645  * An option always follows its associated input and begins with a ":".
 646  *****************************************************************************/
 647 static void GetFilenames( libvlc_int_t *p_vlc, unsigned n,
 648                           const char *const args[] )
 649 {
 650     while( n > 0 )
 651     {
 652         /* Count the input options */
 653         unsigned i_options = 0;
 654
 655         while( args[--n][0] == ':' )
 656         {
 657             i_options++;
 658             if( n == 0 )
 659             {
 660                 msg_Warn( p_vlc, "options %s without item", args[n] );
 661                 return; /* syntax!? */
 662             }
 663         }
 664
 665         char *mrl = NULL;
 666         if( strstr( args[n], "://" ) == NULL )
 667         {
 668             mrl = vlc_path2uri( args[n], NULL );
 669             if( !mrl )
 670                 continue;
 671         }
 672
 673         playlist_AddExt( pl_Get( p_vlc ), (mrl != NULL) ? mrl : args[n], NULL,
 674                          PLAYLIST_INSERT, 0, -1, i_options,
 675                          ( i_options ? &args[n + 1] : NULL ),
 676                          VLC_INPUT_OPTION_TRUSTED, true, pl_Unlocked );
 677         free( mrl );
 678     }
 679 }