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