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 "control/libvlc_internal.h"
  41 #include <vlc_input.h>
  42
  43 #include "modules/modules.h"
  44 #include "config/configuration.h"
  45
  46 #include <errno.h>                                                 /* ENOMEM */
  47 #include <stdio.h>                                              /* sprintf() */
  48 #include <string.h>
  49 #include <stdlib.h>                                                /* free() */
  50
  51 #ifndef WIN32
  52 #   include <netinet/in.h>                            /* BSD: struct in_addr */
  53 #endif
  54
  55 #ifdef HAVE_UNISTD_H
  56 #   include <unistd.h>
  57 #elif defined( WIN32 ) && !defined( UNDER_CE )
  58 #   include <io.h>
  59 #endif
  60
  61 #ifdef WIN32                       /* optind, getopt(), included in unistd.h */
  62 #   include "extras/getopt.h"
  63 #endif
  64
  65 #ifdef HAVE_LOCALE_H
  66 #   include <locale.h>
  67 #endif
  68
  69 #ifdef ENABLE_NLS
  70 # include <libintl.h> /* bindtextdomain */
  71 #endif
  72
  73 #ifdef HAVE_DBUS
  74 /* used for one-instance mode */
  75 #   include <dbus/dbus.h>
  76 #endif
  77
  78 #include <vlc_playlist.h>
  79 #include <vlc_interface.h>
  80
  81 #include <vlc_aout.h>
  82 #include "audio_output/aout_internal.h"
  83
  84 #include <vlc_charset.h>
  85 #include <vlc_cpu.h>
  86 #include <vlc_url.h>
  87
  88 #include "libvlc.h"
  89
  90 #include "playlist/playlist_internal.h"
  91
  92 #include <vlc_vlm.h>
  93
  94 #ifdef __APPLE__
  95 # include <libkern/OSAtomic.h>
  96 #endif
  97
  98 #include <assert.h>
  99
 100 /*****************************************************************************
 101  * The evil global variables. We handle them with care, don't worry.
 102  *****************************************************************************/
 103 static unsigned          i_instances = 0;
 104
 105 #ifndef WIN32
 106 static bool b_daemon = false;
 107 #endif
 108
 109 #undef vlc_gc_init
 110 #undef vlc_hold
 111 #undef vlc_release
 112
 113 /**
 114  * Atomically set the reference count to 1.
 115  * @param p_gc reference counted object
 116  * @param pf_destruct destruction calback
 117  * @return p_gc.
 118  */
 119 void *vlc_gc_init (gc_object_t *p_gc, void (*pf_destruct) (gc_object_t *))
 120 {
 121     /* There is no point in using the GC if there is no destructor... */
 122     assert (pf_destruct);
 123     p_gc->pf_destructor = pf_destruct;
 124
 125     p_gc->refs = 1;
 126 #if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
 127     __sync_synchronize ();
 128 #elif defined (WIN32) && defined (__GNUC__)
 129 #elif defined(__APPLE__)
 130     OSMemoryBarrier ();
 131 #else
 132     /* Nobody else can possibly lock the spin - it's there as a barrier */
 133     vlc_spin_init (&p_gc->spin);
 134     vlc_spin_lock (&p_gc->spin);
 135     vlc_spin_unlock (&p_gc->spin);
 136 #endif
 137     return p_gc;
 138 }
 139
 140 /**
 141  * Atomically increment the reference count.
 142  * @param p_gc reference counted object
 143  * @return p_gc.
 144  */
 145 void *vlc_hold (gc_object_t * p_gc)
 146 {
 147     uintptr_t refs;
 148     assert( p_gc );
 149     assert ((((uintptr_t)&p_gc->refs) & (sizeof (void *) - 1)) == 0); /* alignment */
 150
 151 #if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
 152     refs = __sync_add_and_fetch (&p_gc->refs, 1);
 153 #elif defined (WIN64)
 154     refs = InterlockedIncrement64 (&p_gc->refs);
 155 #elif defined (WIN32)
 156     refs = InterlockedIncrement (&p_gc->refs);
 157 #elif defined(__APPLE__)
 158     refs = OSAtomicIncrement32Barrier((int*)&p_gc->refs);
 159 #else
 160     vlc_spin_lock (&p_gc->spin);
 161     refs = ++p_gc->refs;
 162     vlc_spin_unlock (&p_gc->spin);
 163 #endif
 164     assert (refs != 1); /* there had to be a reference already */
 165     return p_gc;
 166 }
 167
 168 /**
 169  * Atomically decrement the reference count and, if it reaches zero, destroy.
 170  * @param p_gc reference counted object.
 171  */
 172 void vlc_release (gc_object_t *p_gc)
 173 {
 174     unsigned refs;
 175
 176     assert( p_gc );
 177     assert ((((uintptr_t)&p_gc->refs) & (sizeof (void *) - 1)) == 0); /* alignment */
 178
 179 #if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
 180     refs = __sync_sub_and_fetch (&p_gc->refs, 1);
 181 #elif defined (WIN64)
 182     refs = InterlockedDecrement64 (&p_gc->refs);
 183 #elif defined (WIN32)
 184     refs = InterlockedDecrement (&p_gc->refs);
 185 #elif defined(__APPLE__)
 186     refs = OSAtomicDecrement32Barrier((int*)&p_gc->refs);
 187 #else
 188     vlc_spin_lock (&p_gc->spin);
 189     refs = --p_gc->refs;
 190     vlc_spin_unlock (&p_gc->spin);
 191 #endif
 192
 193     assert (refs != (uintptr_t)(-1)); /* reference underflow?! */
 194     if (refs == 0)
 195     {
 196 #if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
 197 #elif defined (WIN32) && defined (__GNUC__)
 198 #elif defined(__APPLE__)
 199 #else
 200         vlc_spin_destroy (&p_gc->spin);
 201 #endif
 202         p_gc->pf_destructor (p_gc);
 203     }
 204 }
 205
 206 /*****************************************************************************
 207  * Local prototypes
 208  *****************************************************************************/
 209 #if defined( ENABLE_NLS ) && (defined (__APPLE__) || defined (WIN32)) && \
 210     ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
 211 static void SetLanguage   ( char const * );
 212 #endif
 213 static inline int LoadMessages (void);
 214 static int  GetFilenames  ( libvlc_int_t *, int, const char *[] );
 215 static void Help          ( libvlc_int_t *, char const *psz_help_name );
 216 static void Usage         ( libvlc_int_t *, char const *psz_search );
 217 static void ListModules   ( libvlc_int_t *, bool );
 218 static void Version       ( void );
 219
 220 #ifdef WIN32
 221 static void ShowConsole   ( bool );
 222 static void PauseConsole  ( void );
 223 #endif
 224 static int  ConsoleWidth  ( void );
 225
 226 static vlc_mutex_t global_lock = VLC_STATIC_MUTEX;
 227
 228 /**
 229  * Allocate a libvlc instance, initialize global data if needed
 230  * It also initializes the threading system
 231  */
 232 libvlc_int_t * libvlc_InternalCreate( void )
 233 {
 234     libvlc_int_t *p_libvlc;
 235     libvlc_priv_t *priv;
 236     char *psz_env = NULL;
 237
 238     /* Now that the thread system is initialized, we don't have much, but
 239      * at least we have variables */
 240     vlc_mutex_lock( &global_lock );
 241     if( i_instances == 0 )
 242     {
 243         /* Guess what CPU we have */
 244         cpu_flags = CPUCapabilities();
 245         /* The module bank will be initialized later */
 246     }
 247
 248     /* Allocate a libvlc instance object */
 249     p_libvlc = __vlc_custom_create( NULL, sizeof (*priv),
 250                                   VLC_OBJECT_GENERIC, "libvlc" );
 251     if( p_libvlc != NULL )
 252         i_instances++;
 253     vlc_mutex_unlock( &global_lock );
 254
 255     if( p_libvlc == NULL )
 256         return NULL;
 257
 258     priv = libvlc_priv (p_libvlc);
 259     priv->p_playlist = NULL;
 260     priv->p_dialog_provider = NULL;
 261     priv->p_vlm = NULL;
 262
 263     /* Initialize message queue */
 264     msg_Create( p_libvlc );
 265
 266     /* Find verbosity from VLC_VERBOSE environment variable */
 267     psz_env = getenv( "VLC_VERBOSE" );
 268     if( psz_env != NULL )
 269         priv->i_verbose = atoi( psz_env );
 270     else
 271         priv->i_verbose = 3;
 272 #if defined( HAVE_ISATTY ) && !defined( WIN32 )
 273     priv->b_color = isatty( 2 ); /* 2 is for stderr */
 274 #else
 275     priv->b_color = false;
 276 #endif
 277
 278     /* Initialize mutexes */
 279     vlc_mutex_init( &priv->timer_lock );
 280     vlc_cond_init( &priv->exiting );
 281
 282     return p_libvlc;
 283 }
 284
 285 /**
 286  * Initialize a libvlc instance
 287  * This function initializes a previously allocated libvlc instance:
 288  *  - CPU detection
 289  *  - gettext initialization
 290  *  - message queue, module bank and playlist initialization
 291  *  - configuration and commandline parsing
 292  */
 293 int libvlc_InternalInit( libvlc_int_t *p_libvlc, int i_argc,
 294                          const char *ppsz_argv[] )
 295 {
 296     libvlc_priv_t *priv = libvlc_priv (p_libvlc);
 297     char *       p_tmp = NULL;
 298     char *       psz_modules = NULL;
 299     char *       psz_parser = NULL;
 300     char *       psz_control = NULL;
 301     bool   b_exit = false;
 302     int          i_ret = VLC_EEXIT;
 303     playlist_t  *p_playlist = NULL;
 304     char        *psz_val;
 305 #if defined( ENABLE_NLS ) \
 306      && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
 307 # if defined (WIN32) || defined (__APPLE__)
 308     char *       psz_language;
 309 #endif
 310 #endif
 311
 312     /* System specific initialization code */
 313     system_Init( p_libvlc, &i_argc, ppsz_argv );
 314
 315     /*
 316      * Support for gettext
 317      */
 318     LoadMessages ();
 319
 320     /* Initialize the module bank and load the configuration of the
 321      * main module. We need to do this at this stage to be able to display
 322      * a short help if required by the user. (short help == main module
 323      * options) */
 324     module_InitBank( p_libvlc );
 325
 326     if( config_LoadCmdLine( p_libvlc, &i_argc, ppsz_argv, true ) )
 327     {
 328         module_EndBank( p_libvlc, false );
 329         return VLC_EGENERIC;
 330     }
 331
 332     priv->i_verbose = config_GetInt( p_libvlc, "verbose" );
 333     /* Announce who we are - Do it only for first instance ? */
 334     msg_Dbg( p_libvlc, "%s", COPYRIGHT_MESSAGE );
 335     msg_Dbg( p_libvlc, "libvlc was configured with %s", CONFIGURE_LINE );
 336     /*xgettext: Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
 337     msg_Dbg( p_libvlc, "translation test: code is \"%s\"", _("C") );
 338
 339     /* Check for short help option */
 340     if( config_GetInt( p_libvlc, "help" ) > 0 )
 341     {
 342         Help( p_libvlc, "help" );
 343         b_exit = true;
 344         i_ret = VLC_EEXITSUCCESS;
 345     }
 346     /* Check for version option */
 347     else if( config_GetInt( p_libvlc, "version" ) > 0 )
 348     {
 349         Version();
 350         b_exit = true;
 351         i_ret = VLC_EEXITSUCCESS;
 352     }
 353
 354     /* Check for plugins cache options */
 355     bool b_cache_delete = config_GetInt( p_libvlc, "reset-plugins-cache" ) > 0;
 356
 357     /* Check for daemon mode */
 358 #ifndef WIN32
 359     if( config_GetInt( p_libvlc, "daemon" ) > 0 )
 360     {
 361 #ifdef HAVE_DAEMON
 362         char *psz_pidfile = NULL;
 363
 364         if( daemon( 1, 0) != 0 )
 365         {
 366             msg_Err( p_libvlc, "Unable to fork vlc to daemon mode" );
 367             b_exit = true;
 368         }
 369         b_daemon = true;
 370
 371         /* lets check if we need to write the pidfile */
 372         psz_pidfile = config_GetPsz( p_libvlc, "pidfile" );
 373         if( psz_pidfile != NULL )
 374         {
 375             FILE *pidfile;
 376             pid_t i_pid = getpid ();
 377             msg_Dbg( p_libvlc, "PID is %d, writing it to %s",
 378                                i_pid, psz_pidfile );
 379             pidfile = utf8_fopen( psz_pidfile,"w" );
 380             if( pidfile != NULL )
 381             {
 382                 utf8_fprintf( pidfile, "%d", (int)i_pid );
 383                 fclose( pidfile );
 384             }
 385             else
 386             {
 387                 msg_Err( p_libvlc, "cannot open pid file for writing: %s (%m)",
 388                          psz_pidfile );
 389             }
 390         }
 391         free( psz_pidfile );
 392
 393 #else
 394         pid_t i_pid;
 395
 396         if( ( i_pid = fork() ) < 0 )
 397         {
 398             msg_Err( p_libvlc, "unable to fork vlc to daemon mode" );
 399             b_exit = true;
 400         }
 401         else if( i_pid )
 402         {
 403             /* This is the parent, exit right now */
 404             msg_Dbg( p_libvlc, "closing parent process" );
 405             b_exit = true;
 406             i_ret = VLC_EEXITSUCCESS;
 407         }
 408         else
 409         {
 410             /* We are the child */
 411             msg_Dbg( p_libvlc, "daemon spawned" );
 412             close( STDIN_FILENO );
 413             close( STDOUT_FILENO );
 414             close( STDERR_FILENO );
 415
 416             b_daemon = true;
 417         }
 418 #endif
 419     }
 420 #endif
 421
 422     if( b_exit )
 423     {
 424         module_EndBank( p_libvlc, false );
 425         return i_ret;
 426     }
 427
 428     /* Check for translation config option */
 429 #if defined( ENABLE_NLS ) \
 430      && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
 431 # if defined (WIN32) || defined (__APPLE__)
 432     /* This ain't really nice to have to reload the config here but it seems
 433      * the only way to do it. */
 434
 435     if( !config_GetInt( p_libvlc, "ignore-config" ) )
 436         config_LoadConfigFile( p_libvlc, "main" );
 437     config_LoadCmdLine( p_libvlc, &i_argc, ppsz_argv, true );
 438     priv->i_verbose = config_GetInt( p_libvlc, "verbose" );
 439
 440     /* Check if the user specified a custom language */
 441     psz_language = config_GetPsz( p_libvlc, "language" );
 442     if( psz_language && *psz_language && strcmp( psz_language, "auto" ) )
 443     {
 444         /* Reset the default domain */
 445         SetLanguage( psz_language );
 446
 447         /* Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
 448         msg_Dbg( p_libvlc, "translation test: code is \"%s\"", _("C") );
 449
 450         module_EndBank( p_libvlc, false );
 451         module_InitBank( p_libvlc );
 452         if( !config_GetInt( p_libvlc, "ignore-config" ) )
 453             config_LoadConfigFile( p_libvlc, "main" );
 454         config_LoadCmdLine( p_libvlc, &i_argc, ppsz_argv, true );
 455         priv->i_verbose = config_GetInt( p_libvlc, "verbose" );
 456     }
 457     free( psz_language );
 458 # endif
 459 #endif
 460
 461     /*
 462      * Load the builtins and plugins into the module_bank.
 463      * We have to do it before config_Load*() because this also gets the
 464      * list of configuration options exported by each module and loads their
 465      * default values.
 466      */
 467     module_LoadPlugins( p_libvlc, b_cache_delete );
 468     if( p_libvlc->b_die )
 469     {
 470         b_exit = true;
 471     }
 472
 473     size_t module_count;
 474     module_t **list = module_list_get( &module_count );
 475     module_list_free( list );
 476     msg_Dbg( p_libvlc, "module bank initialized (%zu modules)", module_count );
 477
 478     /* Check for help on modules */
 479     if( (p_tmp = config_GetPsz( p_libvlc, "module" )) )
 480     {
 481         Help( p_libvlc, p_tmp );
 482         free( p_tmp );
 483         b_exit = true;
 484         i_ret = VLC_EEXITSUCCESS;
 485     }
 486     /* Check for full help option */
 487     else if( config_GetInt( p_libvlc, "full-help" ) > 0 )
 488     {
 489         config_PutInt( p_libvlc, "advanced", 1);
 490         config_PutInt( p_libvlc, "help-verbose", 1);
 491         Help( p_libvlc, "full-help" );
 492         b_exit = true;
 493         i_ret = VLC_EEXITSUCCESS;
 494     }
 495     /* Check for long help option */
 496     else if( config_GetInt( p_libvlc, "longhelp" ) > 0 )
 497     {
 498         Help( p_libvlc, "longhelp" );
 499         b_exit = true;
 500         i_ret = VLC_EEXITSUCCESS;
 501     }
 502     /* Check for module list option */
 503     else if( config_GetInt( p_libvlc, "list" ) > 0 )
 504     {
 505         ListModules( p_libvlc, false );
 506         b_exit = true;
 507         i_ret = VLC_EEXITSUCCESS;
 508     }
 509     else if( config_GetInt( p_libvlc, "list-verbose" ) > 0 )
 510     {
 511         ListModules( p_libvlc, true );
 512         b_exit = true;
 513         i_ret = VLC_EEXITSUCCESS;
 514     }
 515
 516     /* Check for config file options */
 517     if( !config_GetInt( p_libvlc, "ignore-config" ) )
 518     {
 519         if( config_GetInt( p_libvlc, "reset-config" ) > 0 )
 520         {
 521             config_ResetAll( p_libvlc );
 522             config_LoadCmdLine( p_libvlc, &i_argc, ppsz_argv, true );
 523             config_SaveConfigFile( p_libvlc, NULL );
 524         }
 525         if( config_GetInt( p_libvlc, "save-config" ) > 0 )
 526         {
 527             config_LoadConfigFile( p_libvlc, NULL );
 528             config_LoadCmdLine( p_libvlc, &i_argc, ppsz_argv, true );
 529             config_SaveConfigFile( p_libvlc, NULL );
 530         }
 531     }
 532
 533     if( b_exit )
 534     {
 535         module_EndBank( p_libvlc, true );
 536         return i_ret;
 537     }
 538
 539     /*
 540      * Override default configuration with config file settings
 541      */
 542     if( !config_GetInt( p_libvlc, "ignore-config" ) )
 543         config_LoadConfigFile( p_libvlc, NULL );
 544
 545     /*
 546      * Override configuration with command line settings
 547      */
 548     if( config_LoadCmdLine( p_libvlc, &i_argc, ppsz_argv, false ) )
 549     {
 550 #ifdef WIN32
 551         ShowConsole( false );
 552         /* Pause the console because it's destroyed when we exit */
 553         fprintf( stderr, "The command line options couldn't be loaded, check "
 554                  "that they are valid.\n" );
 555         PauseConsole();
 556 #endif
 557         module_EndBank( p_libvlc, true );
 558         return VLC_EGENERIC;
 559     }
 560     priv->i_verbose = config_GetInt( p_libvlc, "verbose" );
 561
 562     /*
 563      * System specific configuration
 564      */
 565     system_Configure( p_libvlc, &i_argc, ppsz_argv );
 566
 567 /* FIXME: could be replaced by using Unix sockets */
 568 #ifdef HAVE_DBUS
 569     dbus_threads_init_default();
 570
 571     if( config_GetInt( p_libvlc, "one-instance" ) > 0
 572         || ( config_GetInt( p_libvlc, "one-instance-when-started-from-file" )
 573              && config_GetInt( p_libvlc, "started-from-file" ) ) )
 574     {
 575         /* Initialise D-Bus interface, check for other instances */
 576         DBusConnection  *p_conn = NULL;
 577         DBusError       dbus_error;
 578
 579         dbus_error_init( &dbus_error );
 580
 581         /* connect to the session bus */
 582         p_conn = dbus_bus_get( DBUS_BUS_SESSION, &dbus_error );
 583         if( !p_conn )
 584         {
 585             msg_Err( p_libvlc, "Failed to connect to D-Bus session daemon: %s",
 586                     dbus_error.message );
 587             dbus_error_free( &dbus_error );
 588         }
 589         else
 590         {
 591             /* check if VLC is available on the bus
 592              * if not: D-Bus control is not enabled on the other
 593              * instance and we can't pass MRLs to it */
 594             DBusMessage *p_test_msg = NULL;
 595             DBusMessage *p_test_reply = NULL;
 596             p_test_msg =  dbus_message_new_method_call(
 597                     "org.mpris.vlc", "/",
 598                     "org.freedesktop.MediaPlayer", "Identity" );
 599             /* block until a reply arrives */
 600             p_test_reply = dbus_connection_send_with_reply_and_block(
 601                     p_conn, p_test_msg, -1, &dbus_error );
 602             dbus_message_unref( p_test_msg );
 603             if( p_test_reply == NULL )
 604             {
 605                 dbus_error_free( &dbus_error );
 606                 msg_Dbg( p_libvlc, "No Media Player is running. "
 607                         "Continuing normally." );
 608             }
 609             else
 610             {
 611                 int i_input;
 612                 DBusMessage* p_dbus_msg = NULL;
 613                 DBusMessageIter dbus_args;
 614                 DBusPendingCall* p_dbus_pending = NULL;
 615                 dbus_bool_t b_play;
 616
 617                 dbus_message_unref( p_test_reply );
 618                 msg_Warn( p_libvlc, "Another Media Player is running. Exiting");
 619
 620                 for( i_input = optind;i_input < i_argc;i_input++ )
 621                 {
 622                     msg_Dbg( p_libvlc, "Adds %s to the running Media Player",
 623                             ppsz_argv[i_input] );
 624
 625                     p_dbus_msg = dbus_message_new_method_call(
 626                             "org.mpris.vlc", "/TrackList",
 627                             "org.freedesktop.MediaPlayer", "AddTrack" );
 628
 629                     if ( NULL == p_dbus_msg )
 630                     {
 631                         msg_Err( p_libvlc, "D-Bus problem" );
 632                         system_End( p_libvlc );
 633                         exit( 1 );
 634                     }
 635
 636                     /* append MRLs */
 637                     dbus_message_iter_init_append( p_dbus_msg, &dbus_args );
 638                     if ( !dbus_message_iter_append_basic( &dbus_args,
 639                                 DBUS_TYPE_STRING, &ppsz_argv[i_input] ) )
 640                     {
 641                         dbus_message_unref( p_dbus_msg );
 642                         system_End( p_libvlc );
 643                         exit( 1 );
 644                     }
 645                     b_play = TRUE;
 646                     if( config_GetInt( p_libvlc, "playlist-enqueue" ) > 0 )
 647                         b_play = FALSE;
 648                     if ( !dbus_message_iter_append_basic( &dbus_args,
 649                                 DBUS_TYPE_BOOLEAN, &b_play ) )
 650                     {
 651                         dbus_message_unref( p_dbus_msg );
 652                         system_End( p_libvlc );
 653                         exit( 1 );
 654                     }
 655
 656                     /* send message and get a handle for a reply */
 657                     if ( !dbus_connection_send_with_reply ( p_conn,
 658                                 p_dbus_msg, &p_dbus_pending, -1 ) )
 659                     {
 660                         msg_Err( p_libvlc, "D-Bus problem" );
 661                         dbus_message_unref( p_dbus_msg );
 662                         system_End( p_libvlc );
 663                         exit( 1 );
 664                     }
 665
 666                     if ( NULL == p_dbus_pending )
 667                     {
 668                         msg_Err( p_libvlc, "D-Bus problem" );
 669                         dbus_message_unref( p_dbus_msg );
 670                         system_End( p_libvlc );
 671                         exit( 1 );
 672                     }
 673                     dbus_connection_flush( p_conn );
 674                     dbus_message_unref( p_dbus_msg );
 675                     /* block until we receive a reply */
 676                     dbus_pending_call_block( p_dbus_pending );
 677                     dbus_pending_call_unref( p_dbus_pending );
 678                 } /* processes all command line MRLs */
 679
 680                 /* bye bye */
 681                 system_End( p_libvlc );
 682                 exit( 0 );
 683             }
 684         }
 685         /* we unreference the connection when we've finished with it */
 686         if( p_conn ) dbus_connection_unref( p_conn );
 687     }
 688 #endif
 689
 690     /*
 691      * Message queue options
 692      */
 693     char * psz_verbose_objects = config_GetPsz( p_libvlc, "verbose-objects" );
 694     if( psz_verbose_objects )
 695     {
 696         char * psz_object, * iter = psz_verbose_objects;
 697         while( (psz_object = strsep( &iter, "," )) )
 698         {
 699             switch( psz_object[0] )
 700             {
 701                 printf("%s\n", psz_object+1);
 702                 case '+': msg_EnableObjectPrinting(p_libvlc, psz_object+1); break;
 703                 case '-': msg_DisableObjectPrinting(p_libvlc, psz_object+1); break;
 704                 default:
 705                     msg_Err( p_libvlc, "verbose-objects usage: \n"
 706                             "--verbose-objects=+printthatobject,"
 707                             "-dontprintthatone\n"
 708                             "(keyword 'all' to applies to all objects)");
 709                     free( psz_verbose_objects );
 710                     /* FIXME: leaks!!!! */
 711                     return VLC_EGENERIC;
 712             }
 713         }
 714         free( psz_verbose_objects );
 715     }
 716
 717     /* Last chance to set the verbosity. Once we start interfaces and other
 718      * threads, verbosity becomes read-only. */
 719     var_Create( p_libvlc, "verbose", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 720     if( config_GetInt( p_libvlc, "quiet" ) > 0 )
 721     {
 722         var_SetInteger( p_libvlc, "verbose", -1 );
 723         priv->i_verbose = -1;
 724     }
 725     vlc_threads_setup( p_libvlc );
 726
 727     if( priv->b_color )
 728         priv->b_color = config_GetInt( p_libvlc, "color" ) > 0;
 729
 730     char p_capabilities[200];
 731 #define PRINT_CAPABILITY( capability, string )                              \
 732     if( vlc_CPU() & capability )                                            \
 733     {                                                                       \
 734         strncat( p_capabilities, string " ",                                \
 735                  sizeof(p_capabilities) - strlen(p_capabilities) );         \
 736         p_capabilities[sizeof(p_capabilities) - 1] = '\0';                  \
 737     }
 738     p_capabilities[0] = '\0';
 739
 740 #if defined( __i386__ ) || defined( __x86_64__ )
 741     if( !config_GetInt( p_libvlc, "mmx" ) )
 742         cpu_flags &= ~CPU_CAPABILITY_MMX;
 743     if( !config_GetInt( p_libvlc, "3dn" ) )
 744         cpu_flags &= ~CPU_CAPABILITY_3DNOW;
 745     if( !config_GetInt( p_libvlc, "mmxext" ) )
 746         cpu_flags &= ~CPU_CAPABILITY_MMXEXT;
 747     if( !config_GetInt( p_libvlc, "sse" ) )
 748         cpu_flags &= ~CPU_CAPABILITY_SSE;
 749     if( !config_GetInt( p_libvlc, "sse2" ) )
 750         cpu_flags &= ~CPU_CAPABILITY_SSE2;
 751     if( !config_GetInt( p_libvlc, "sse3" ) )
 752         cpu_flags &= ~CPU_CAPABILITY_SSE3;
 753
 754     PRINT_CAPABILITY( CPU_CAPABILITY_MMX, "MMX" );
 755     PRINT_CAPABILITY( CPU_CAPABILITY_3DNOW, "3DNow!" );
 756     PRINT_CAPABILITY( CPU_CAPABILITY_MMXEXT, "MMXEXT" );
 757     PRINT_CAPABILITY( CPU_CAPABILITY_SSE, "SSE" );
 758     PRINT_CAPABILITY( CPU_CAPABILITY_SSE2, "SSE2" );
 759     PRINT_CAPABILITY( CPU_CAPABILITY_SSE3, "SSE3" );
 760
 761 #elif defined( __powerpc__ ) || defined( __ppc__ ) || defined( __ppc64__ )
 762     if( !config_GetInt( p_libvlc, "altivec" ) )
 763         cpu_flags &= ~CPU_CAPABILITY_ALTIVEC;
 764
 765     PRINT_CAPABILITY( CPU_CAPABILITY_ALTIVEC, "AltiVec" );
 766
 767 #elif defined( __arm__ )
 768     PRINT_CAPABILITY( CPU_CAPABILITY_NEON, "NEONv1" );
 769
 770 #endif
 771
 772 #if HAVE_FPU
 773     strncat( p_capabilities, "FPU ",
 774              sizeof(p_capabilities) - strlen( p_capabilities) );
 775     p_capabilities[sizeof(p_capabilities) - 1] = '\0';
 776 #endif
 777
 778     msg_Dbg( p_libvlc, "CPU has capabilities %s", p_capabilities );
 779
 780     /*
 781      * Choose the best memcpy module
 782      */
 783     priv->p_memcpy_module = module_need( p_libvlc, "memcpy", "$memcpy", false );
 784     /* Avoid being called "memcpy":*/
 785     vlc_object_set_name( p_libvlc, "main" );
 786
 787     priv->b_stats = config_GetInt( p_libvlc, "stats" ) > 0;
 788     priv->i_timers = 0;
 789     priv->pp_timers = NULL;
 790
 791     priv->i_last_input_id = 0; /* Not very safe, should be removed */
 792
 793     /*
 794      * Initialize hotkey handling
 795      */
 796     var_Create( p_libvlc, "key-pressed", VLC_VAR_INTEGER );
 797     var_Create( p_libvlc, "key-action", VLC_VAR_INTEGER );
 798     {
 799         struct hotkey *p_keys =
 800             malloc( (libvlc_actions_count + 1) * sizeof (*p_keys) );
 801
 802         /* Initialize from configuration */
 803         for( size_t i = 0; i < libvlc_actions_count; i++ )
 804         {
 805             p_keys[i].psz_action = libvlc_actions[i].name;
 806             p_keys[i].i_key = config_GetInt( p_libvlc,
 807                                              libvlc_actions[i].name );
 808             p_keys[i].i_action = libvlc_actions[i].value;
 809         }
 810         p_keys[libvlc_actions_count].psz_action = NULL;
 811         p_keys[libvlc_actions_count].i_key = 0;
 812         p_keys[libvlc_actions_count].i_action = 0;
 813         p_libvlc->p_hotkeys = p_keys;
 814         var_AddCallback( p_libvlc, "key-pressed", vlc_key_to_action,
 815                          p_keys );
 816     }
 817
 818     /* variables for signalling creation of new files */
 819     var_Create( p_libvlc, "snapshot-file", VLC_VAR_STRING );
 820     var_Create( p_libvlc, "record-file", VLC_VAR_STRING );
 821
 822     /* Initialize playlist and get commandline files */
 823     p_playlist = playlist_Create( VLC_OBJECT(p_libvlc) );
 824     if( !p_playlist )
 825     {
 826         msg_Err( p_libvlc, "playlist initialization failed" );
 827         if( priv->p_memcpy_module != NULL )
 828         {
 829             module_unneed( p_libvlc, priv->p_memcpy_module );
 830         }
 831         module_EndBank( p_libvlc, true );
 832         return VLC_EGENERIC;
 833     }
 834     playlist_Activate( p_playlist );
 835     vlc_object_attach( p_playlist, p_libvlc );
 836
 837     /* Add service discovery modules */
 838     psz_modules = config_GetPsz( p_playlist, "services-discovery" );
 839     if( psz_modules && *psz_modules )
 840     {
 841         char *p = psz_modules, *m;
 842         while( ( m = strsep( &p, " :," ) ) != NULL )
 843             playlist_ServicesDiscoveryAdd( p_playlist, m );
 844     }
 845     free( psz_modules );
 846
 847 #ifdef ENABLE_VLM
 848     /* Initialize VLM if vlm-conf is specified */
 849     psz_parser = config_GetPsz( p_libvlc, "vlm-conf" );
 850     if( psz_parser && *psz_parser )
 851     {
 852         priv->p_vlm = vlm_New( p_libvlc );
 853         if( !priv->p_vlm )
 854             msg_Err( p_libvlc, "VLM initialization failed" );
 855     }
 856     free( psz_parser );
 857 #endif
 858
 859     /*
 860      * Load background interfaces
 861      */
 862     /* Create volume callback system. (this variable must be created before
 863        all interfaces as they can use it) */
 864     var_Create( p_libvlc, "volume-change", VLC_VAR_BOOL );
 865
 866     psz_modules = config_GetPsz( p_libvlc, "extraintf" );
 867     psz_control = config_GetPsz( p_libvlc, "control" );
 868
 869     if( psz_modules && *psz_modules && psz_control && *psz_control )
 870     {
 871         char* psz_tmp;
 872         if( asprintf( &psz_tmp, "%s:%s", psz_modules, psz_control ) != -1 )
 873         {
 874             free( psz_modules );
 875             psz_modules = psz_tmp;
 876         }
 877     }
 878     else if( psz_control && *psz_control )
 879     {
 880         free( psz_modules );
 881         psz_modules = strdup( psz_control );
 882     }
 883
 884     psz_parser = psz_modules;
 885     while ( psz_parser && *psz_parser )
 886     {
 887         char *psz_module, *psz_temp;
 888         psz_module = psz_parser;
 889         psz_parser = strchr( psz_module, ':' );
 890         if ( psz_parser )
 891         {
 892             *psz_parser = '\0';
 893             psz_parser++;
 894         }
 895         if( asprintf( &psz_temp, "%s,none", psz_module ) != -1)
 896         {
 897             intf_Create( p_libvlc, psz_temp );
 898             free( psz_temp );
 899         }
 900     }
 901     free( psz_modules );
 902     free( psz_control );
 903
 904     /*
 905      * Always load the hotkeys interface if it exists
 906      */
 907     intf_Create( p_libvlc, "hotkeys,none" );
 908
 909 #ifdef HAVE_DBUS
 910     /* loads dbus control interface if in one-instance mode
 911      * we do it only when playlist exists, because dbus module needs it */
 912     if( config_GetInt( p_libvlc, "one-instance" ) > 0
 913         || ( config_GetInt( p_libvlc, "one-instance-when-started-from-file" )
 914              && config_GetInt( p_libvlc, "started-from-file" ) ) )
 915         intf_Create( p_libvlc, "dbus,none" );
 916
 917 # if !defined (HAVE_MAEMO)
 918     /* Prevents the power management daemon from suspending the system
 919      * when VLC is active */
 920     if( config_GetInt( p_libvlc, "inhibit" ) > 0 )
 921         intf_Create( p_libvlc, "inhibit,none" );
 922 # endif
 923 #endif
 924
 925     if( (config_GetInt( p_libvlc, "file-logging" ) > 0) &&
 926         !config_GetInt( p_libvlc, "syslog" ) )
 927     {
 928         intf_Create( p_libvlc, "logger,none" );
 929     }
 930 #ifdef HAVE_SYSLOG_H
 931     if( config_GetInt( p_libvlc, "syslog" ) > 0 )
 932     {
 933         char *logmode = var_CreateGetString( p_libvlc, "logmode" );
 934         var_SetString( p_libvlc, "logmode", "syslog" );
 935         intf_Create( p_libvlc, "logger,none" );
 936
 937         if( logmode )
 938         {
 939             var_SetString( p_libvlc, "logmode", logmode );
 940             free( logmode );
 941         }
 942         else
 943             var_Destroy( p_libvlc, "logmode" );
 944     }
 945 #endif
 946
 947     if( config_GetInt( p_libvlc, "network-synchronisation") > 0 )
 948     {
 949         intf_Create( p_libvlc, "netsync,none" );
 950     }
 951
 952 #ifdef WIN32
 953     if( config_GetInt( p_libvlc, "prefer-system-codecs") > 0 )
 954     {
 955         char *psz_codecs = config_GetPsz( p_playlist, "codec" );
 956         if( psz_codecs )
 957         {
 958             char *psz_morecodecs;
 959             if( asprintf(&psz_morecodecs, "%s,dmo,quicktime", psz_codecs) != -1 )
 960             {
 961                 config_PutPsz( p_libvlc, "codec", psz_morecodecs);
 962                 free( psz_morecodecs );
 963             }
 964         }
 965         else
 966             config_PutPsz( p_libvlc, "codec", "dmo,quicktime");
 967         free( psz_codecs );
 968     }
 969 #endif
 970
 971     var_Create( p_libvlc, "drawable-view-top", VLC_VAR_INTEGER );
 972     var_Create( p_libvlc, "drawable-view-left", VLC_VAR_INTEGER );
 973     var_Create( p_libvlc, "drawable-view-bottom", VLC_VAR_INTEGER );
 974     var_Create( p_libvlc, "drawable-view-right", VLC_VAR_INTEGER );
 975     var_Create( p_libvlc, "drawable-clip-top", VLC_VAR_INTEGER );
 976     var_Create( p_libvlc, "drawable-clip-left", VLC_VAR_INTEGER );
 977     var_Create( p_libvlc, "drawable-clip-bottom", VLC_VAR_INTEGER );
 978     var_Create( p_libvlc, "drawable-clip-right", VLC_VAR_INTEGER );
 979
 980
 981     /* Create a variable for showing the fullscreen interface from hotkeys */
 982     var_Create( p_libvlc, "intf-show", VLC_VAR_BOOL );
 983     var_SetBool( p_libvlc, "intf-show", true );
 984
 985     /* Create a variable for showing the right click menu */
 986     var_Create( p_libvlc, "intf-popupmenu", VLC_VAR_BOOL );
 987
 988     /*
 989      * Get input filenames given as commandline arguments
 990      */
 991     GetFilenames( p_libvlc, i_argc, ppsz_argv );
 992
 993     /*
 994      * Get --open argument
 995      */
 996     psz_val = var_CreateGetString( p_libvlc, "open" );
 997     if ( psz_val != NULL && *psz_val )
 998     {
 999         playlist_t *p_playlist = pl_Hold( p_libvlc );
1000         playlist_AddExt( p_playlist, psz_val, NULL, PLAYLIST_INSERT, 0,
1001                          -1, 0, NULL, 0, true, pl_Unlocked );
1002         pl_Release( p_libvlc );
1003     }
1004     free( psz_val );
1005
1006     return VLC_SUCCESS;
1007 }
1008
1009 /**
1010  * Cleanup a libvlc instance. The instance is not completely deallocated
1011  * \param p_libvlc the instance to clean
1012  */
1013 void libvlc_InternalCleanup( libvlc_int_t *p_libvlc )
1014 {
1015     libvlc_priv_t *priv = libvlc_priv (p_libvlc);
1016     playlist_t    *p_playlist = priv->p_playlist;
1017
1018     /* Deactivate the playlist */
1019     msg_Dbg( p_libvlc, "deactivating the playlist" );
1020     playlist_Deactivate( p_playlist );
1021
1022     /* Remove all services discovery */
1023     msg_Dbg( p_libvlc, "removing all services discovery tasks" );
1024     playlist_ServicesDiscoveryKillAll( p_playlist );
1025
1026     /* Ask the interfaces to stop and destroy them */
1027     msg_Dbg( p_libvlc, "removing all interfaces" );
1028     libvlc_Quit( p_libvlc );
1029     intf_DestroyAll( p_libvlc );
1030
1031 #ifdef ENABLE_VLM
1032     /* Destroy VLM if created in libvlc_InternalInit */
1033     if( priv->p_vlm )
1034     {
1035         vlm_Delete( priv->p_vlm );
1036     }
1037 #endif
1038
1039     /* Free playlist */
1040     /* Any thread still running must not assume pl_Hold() succeeds. */
1041     msg_Dbg( p_libvlc, "removing playlist" );
1042
1043     libvlc_priv(p_libvlc)->p_playlist = NULL;
1044     barrier();  /* FIXME is that correct ? */
1045
1046     vlc_object_release( p_playlist );
1047
1048     stats_TimersDumpAll( p_libvlc );
1049     stats_TimersCleanAll( p_libvlc );
1050
1051     msg_Dbg( p_libvlc, "removing stats" );
1052
1053 #ifndef WIN32
1054     char* psz_pidfile = NULL;
1055
1056     if( b_daemon )
1057     {
1058         psz_pidfile = config_GetPsz( p_libvlc, "pidfile" );
1059         if( psz_pidfile != NULL )
1060         {
1061             msg_Dbg( p_libvlc, "removing pid file %s", psz_pidfile );
1062             if( unlink( psz_pidfile ) == -1 )
1063             {
1064                 msg_Dbg( p_libvlc, "removing pid file %s: %m",
1065                         psz_pidfile );
1066             }
1067         }
1068         free( psz_pidfile );
1069     }
1070 #endif
1071
1072     if( priv->p_memcpy_module )
1073     {
1074         module_unneed( p_libvlc, priv->p_memcpy_module );
1075         priv->p_memcpy_module = NULL;
1076     }
1077
1078     /* Free module bank. It is refcounted, so we call this each time  */
1079     module_EndBank( p_libvlc, true );
1080
1081     var_DelCallback( p_libvlc, "key-pressed", vlc_key_to_action,
1082                      (void *)p_libvlc->p_hotkeys );
1083     free( (void *)p_libvlc->p_hotkeys );
1084 }
1085
1086 /**
1087  * Destroy everything.
1088  * This function requests the running threads to finish, waits for their
1089  * termination, and destroys their structure.
1090  * It stops the thread systems: no instance can run after this has run
1091  * \param p_libvlc the instance to destroy
1092  */
1093 void libvlc_InternalDestroy( libvlc_int_t *p_libvlc )
1094 {
1095     libvlc_priv_t *priv = libvlc_priv( p_libvlc );
1096
1097     vlc_mutex_lock( &global_lock );
1098     i_instances--;
1099
1100     if( i_instances == 0 )
1101     {
1102         /* System specific cleaning code */
1103         system_End( p_libvlc );
1104     }
1105     vlc_mutex_unlock( &global_lock );
1106
1107     msg_Destroy( p_libvlc );
1108
1109     /* Destroy mutexes */
1110     vlc_cond_destroy( &priv->exiting );
1111     vlc_mutex_destroy( &priv->timer_lock );
1112
1113 #ifndef NDEBUG /* Hack to dump leaked objects tree */
1114     if( vlc_internals( p_libvlc )->i_refcount > 1 )
1115         while( vlc_internals( p_libvlc )->i_refcount > 0 )
1116             vlc_object_release( p_libvlc );
1117 #endif
1118
1119     assert( vlc_internals( p_libvlc )->i_refcount == 1 );
1120     vlc_object_release( p_libvlc );
1121 }
1122
1123 /**
1124  * Add an interface plugin and run it
1125  */
1126 int libvlc_InternalAddIntf( libvlc_int_t *p_libvlc, char const *psz_module )
1127 {
1128     if( !p_libvlc )
1129         return VLC_EGENERIC;
1130
1131     if( !psz_module ) /* requesting the default interface */
1132     {
1133         char *psz_interface = config_GetPsz( p_libvlc, "intf" );
1134         if( !psz_interface || !*psz_interface ) /* "intf" has not been set */
1135         {
1136 #ifndef WIN32
1137             if( b_daemon )
1138                  /* Daemon mode hack.
1139                   * We prefer the dummy interface if none is specified. */
1140                 psz_module = "dummy";
1141             else
1142 #endif
1143                 msg_Info( p_libvlc, "%s",
1144                           _("Running vlc with the default interface. "
1145                             "Use 'cvlc' to use vlc without interface.") );
1146         }
1147         free( psz_interface );
1148     }
1149
1150     /* Try to create the interface */
1151     if( intf_Create( p_libvlc, psz_module ? psz_module : "$intf" ) )
1152     {
1153         msg_Err( p_libvlc, "interface \"%s\" initialization failed",
1154                  psz_module ? psz_module : "default" );
1155         return VLC_EGENERIC;
1156     }
1157     return VLC_SUCCESS;
1158 }
1159
1160 static vlc_mutex_t exit_lock = VLC_STATIC_MUTEX;
1161
1162 /**
1163  * Waits until the LibVLC instance gets an exit signal. Normally, this happens
1164  * when the user "exits" an interface plugin.
1165  */
1166 void libvlc_InternalWait( libvlc_int_t *p_libvlc )
1167 {
1168     libvlc_priv_t *priv = libvlc_priv( p_libvlc );
1169
1170     vlc_mutex_lock( &exit_lock );
1171     while( vlc_object_alive( p_libvlc ) )
1172         vlc_cond_wait( &priv->exiting, &exit_lock );
1173     vlc_mutex_unlock( &exit_lock );
1174 }
1175
1176 /**
1177  * Posts an exit signal to LibVLC instance. This will normally initiate the
1178  * cleanup and destroy process. It should only be called on behalf of the user.
1179  */
1180 void libvlc_Quit( libvlc_int_t *p_libvlc )
1181 {
1182     libvlc_priv_t *priv = libvlc_priv( p_libvlc );
1183
1184     vlc_mutex_lock( &exit_lock );
1185     vlc_object_kill( p_libvlc );
1186     vlc_cond_signal( &priv->exiting );
1187     vlc_mutex_unlock( &exit_lock );
1188 }
1189
1190 #if defined( ENABLE_NLS ) && (defined (__APPLE__) || defined (WIN32)) && \
1191     ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
1192 /*****************************************************************************
1193  * SetLanguage: set the interface language.
1194  *****************************************************************************
1195  * We set the LC_MESSAGES locale category for interface messages and buttons,
1196  * as well as the LC_CTYPE category for string sorting and possible wide
1197  * character support.
1198  *****************************************************************************/
1199 static void SetLanguage ( const char *psz_lang )
1200 {
1201 #ifdef __APPLE__
1202     /* I need that under Darwin, please check it doesn't disturb
1203      * other platforms. --Meuuh */
1204     setenv( "LANG", psz_lang, 1 );
1205
1206 #else
1207     /* We set LC_ALL manually because it is the only way to set
1208      * the language at runtime under eg. Windows. Beware that this
1209      * makes the environment unconsistent when libvlc is unloaded and
1210      * should probably be moved to a safer place like vlc.c. */
1211     static char psz_lcall[20];
1212     snprintf( psz_lcall, 19, "LC_ALL=%s", psz_lang );
1213     psz_lcall[19] = '\0';
1214     putenv( psz_lcall );
1215 #endif
1216
1217     setlocale( LC_ALL, psz_lang );
1218 }
1219 #endif
1220
1221
1222 static inline int LoadMessages (void)
1223 {
1224 #if defined( ENABLE_NLS ) \
1225      && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
1226     /* Specify where to find the locales for current domain */
1227 #if !defined( __APPLE__ ) && !defined( WIN32 ) && !defined( SYS_BEOS )
1228     static const char psz_path[] = LOCALEDIR;
1229 #else
1230     char psz_path[1024];
1231     if (snprintf (psz_path, sizeof (psz_path), "%s" DIR_SEP "%s",
1232                   config_GetDataDir(), "locale")
1233                      >= (int)sizeof (psz_path))
1234         return -1;
1235
1236 #endif
1237     if (bindtextdomain (PACKAGE_NAME, psz_path) == NULL)
1238     {
1239         fprintf (stderr, "Warning: cannot bind text domain "PACKAGE_NAME
1240                          " to directory %s\n", psz_path);
1241         return -1;
1242     }
1243
1244     /* LibVLC wants all messages in UTF-8.
1245      * Unfortunately, we cannot ask UTF-8 for strerror_r(), strsignal_r()
1246      * and other functions that are not part of our text domain.
1247      */
1248     if (bind_textdomain_codeset (PACKAGE_NAME, "UTF-8") == NULL)
1249     {
1250         fprintf (stderr, "Error: cannot set Unicode encoding for text domain "
1251                          PACKAGE_NAME"\n");
1252         // Unbinds the text domain to avoid broken encoding
1253         bindtextdomain (PACKAGE_NAME, "DOES_NOT_EXIST");
1254         return -1;
1255     }
1256
1257     /* LibVLC does NOT set the default textdomain, since it is a library.
1258      * This could otherwise break programs using LibVLC (other than VLC).
1259      * textdomain (PACKAGE_NAME);
1260      */
1261 #endif
1262     return 0;
1263 }
1264
1265 /*****************************************************************************
1266  * GetFilenames: parse command line options which are not flags
1267  *****************************************************************************
1268  * Parse command line for input files as well as their associated options.
1269  * An option always follows its associated input and begins with a ":".
1270  *****************************************************************************/
1271 static int GetFilenames( libvlc_int_t *p_vlc, int i_argc, const char *ppsz_argv[] )
1272 {
1273     int i_opt, i_options;
1274
1275     /* We assume that the remaining parameters are filenames
1276      * and their input options */
1277     for( i_opt = i_argc - 1; i_opt >= optind; i_opt-- )
1278     {
1279         i_options = 0;
1280
1281         /* Count the input options */
1282         while( *ppsz_argv[ i_opt ] == ':' && i_opt > optind )
1283         {
1284             i_options++;
1285             i_opt--;
1286         }
1287
1288         /* TODO: write an internal function of this one, to avoid
1289          *       unnecessary lookups. */
1290         char *mrl = make_URI( ppsz_argv[i_opt] );
1291         if( !mrl )
1292             continue;
1293
1294         playlist_t *p_playlist = pl_Hold( p_vlc );
1295         playlist_AddExt( p_playlist, mrl, NULL, PLAYLIST_INSERT,
1296                 0, -1, i_options, ( i_options ? &ppsz_argv[i_opt + 1] : NULL ),
1297                 VLC_INPUT_OPTION_TRUSTED, true, pl_Unlocked );
1298         pl_Release( p_vlc );
1299         free( mrl );
1300     }
1301
1302     return VLC_SUCCESS;
1303 }
1304
1305 /*****************************************************************************
1306  * Help: print program help
1307  *****************************************************************************
1308  * Print a short inline help. Message interface is initialized at this stage.
1309  *****************************************************************************/
1310 static inline void print_help_on_full_help( void )
1311 {
1312     utf8_fprintf( stdout, "\n" );
1313     utf8_fprintf( stdout, "%s\n", _("To get exhaustive help, use '-H'.") );
1314 }
1315
1316 static const char vlc_usage[] = N_(
1317                             "Usage: %s [options] [stream] ..."
1318                             "\nYou can specify multiple streams on the commandline. They will be enqueued in the playlist."
1319                             "\nThe first item specified will be played first."
1320                             "\n"
1321                             "\nOptions-styles:"
1322                             "\n  --option  A global option that is set for the duration of the program."
1323                             "\n   -option  A single letter version of a global --option."
1324                             "\n   :option  An option that only applies to the stream directly before it"
1325                             "\n            and that overrides previous settings."
1326                             "\n"
1327                             "\nStream MRL syntax:"
1328                             "\n  [[access][/demux]://]URL[@[title][:chapter][-[title][:chapter]]] [:option=value ...]"
1329                             "\n"
1330                             "\n  Many of the global --options can also be used as MRL specific :options."
1331                             "\n  Multiple :option=value pairs can be specified."
1332                             "\n"
1333                             "\nURL syntax:"
1334                             "\n  [file://]filename              Plain media file"
1335                             "\n  http://ip:port/file            HTTP URL"
1336                             "\n  ftp://ip:port/file             FTP URL"
1337                             "\n  mms://ip:port/file             MMS URL"
1338                             "\n  screen://                      Screen capture"
1339                             "\n  [dvd://][device][@raw_device]  DVD device"
1340                             "\n  [vcd://][device]               VCD device"
1341                             "\n  [cdda://][device]              Audio CD device"
1342                             "\n  udp://[[<source address>]@[<bind address>][:<bind port>]]"
1343                             "\n                                 UDP stream sent by a streaming server"
1344                             "\n  vlc://pause:<seconds>          Special item to pause the playlist for a certain time"
1345                             "\n  vlc://quit                     Special item to quit VLC"
1346                             "\n");
1347
1348 static void Help( libvlc_int_t *p_this, char const *psz_help_name )
1349 {
1350 #ifdef WIN32
1351     ShowConsole( true );
1352 #endif
1353
1354     if( psz_help_name && !strcmp( psz_help_name, "help" ) )
1355     {
1356         utf8_fprintf( stdout, vlc_usage, "vlc" );
1357         Usage( p_this, "=help" );
1358         Usage( p_this, "=main" );
1359         print_help_on_full_help();
1360     }
1361     else if( psz_help_name && !strcmp( psz_help_name, "longhelp" ) )
1362     {
1363         utf8_fprintf( stdout, vlc_usage, "vlc" );
1364         Usage( p_this, NULL );
1365         print_help_on_full_help();
1366     }
1367     else if( psz_help_name && !strcmp( psz_help_name, "full-help" ) )
1368     {
1369         utf8_fprintf( stdout, vlc_usage, "vlc" );
1370         Usage( p_this, NULL );
1371     }
1372     else if( psz_help_name )
1373     {
1374         Usage( p_this, psz_help_name );
1375     }
1376
1377 #ifdef WIN32        /* Pause the console because it's destroyed when we exit */
1378     PauseConsole();
1379 #endif
1380 }
1381
1382 /*****************************************************************************
1383  * Usage: print module usage
1384  *****************************************************************************
1385  * Print a short inline help. Message interface is initialized at this stage.
1386  *****************************************************************************/
1387 #   define COL(x)  "\033[" #x ";1m"
1388 #   define RED     COL(31)
1389 #   define GREEN   COL(32)
1390 #   define YELLOW  COL(33)
1391 #   define BLUE    COL(34)
1392 #   define MAGENTA COL(35)
1393 #   define CYAN    COL(36)
1394 #   define WHITE   COL(0)
1395 #   define GRAY    "\033[0m"
1396 static void print_help_section( module_config_t *p_item, bool b_color, bool b_description )
1397 {
1398     if( !p_item ) return;
1399     if( b_color )
1400     {
1401         utf8_fprintf( stdout, RED"   %s:\n"GRAY, _( p_item->psz_text ) );
1402         if( b_description && p_item->psz_longtext )
1403             utf8_fprintf( stdout, MAGENTA"   %s\n"GRAY,
1404                           _( p_item->psz_longtext ) );
1405     }
1406     else
1407     {
1408         utf8_fprintf( stdout, "   %s:\n", _( p_item->psz_text ) );
1409         if( b_description && p_item->psz_longtext )
1410             utf8_fprintf( stdout, "   %s\n", _( p_item->psz_longtext ) );
1411     }
1412 }
1413
1414 static void Usage( libvlc_int_t *p_this, char const *psz_search )
1415 {
1416 #define FORMAT_STRING "  %s --%s%s%s%s%s%s%s "
1417     /* short option ------'    | | | | | | |
1418      * option name ------------' | | | | | |
1419      * <bra ---------------------' | | | | |
1420      * option type or "" ----------' | | | |
1421      * ket> -------------------------' | | |
1422      * padding spaces -----------------' | |
1423      * comment --------------------------' |
1424      * comment suffix ---------------------'
1425      *
1426      * The purpose of having bra and ket is that we might i18n them as well.
1427      */
1428
1429 #define COLOR_FORMAT_STRING (WHITE"  %s --%s"YELLOW"%s%s%s%s%s%s "GRAY)
1430 #define COLOR_FORMAT_STRING_BOOL (WHITE"  %s --%s%s%s%s%s%s%s "GRAY)
1431
1432 #define LINE_START 8
1433 #define PADDING_SPACES 25
1434 #ifdef WIN32
1435 #   define OPTION_VALUE_SEP "="
1436 #else
1437 #   define OPTION_VALUE_SEP " "
1438 #endif
1439     char psz_spaces_text[PADDING_SPACES+LINE_START+1];
1440     char psz_spaces_longtext[LINE_START+3];
1441     char psz_format[sizeof(COLOR_FORMAT_STRING)];
1442     char psz_format_bool[sizeof(COLOR_FORMAT_STRING_BOOL)];
1443     char psz_buffer[10000];
1444     char psz_short[4];
1445     int i_width = ConsoleWidth() - (PADDING_SPACES+LINE_START+1);
1446     int i_width_description = i_width + PADDING_SPACES - 1;
1447     bool b_advanced    = config_GetInt( p_this, "advanced" ) > 0;
1448     bool b_description = config_GetInt( p_this, "help-verbose" ) > 0;
1449     bool b_description_hack;
1450     bool b_color       = config_GetInt( p_this, "color" ) > 0;
1451     bool b_has_advanced = false;
1452     bool b_found       = false;
1453     int  i_only_advanced = 0; /* Number of modules ignored because they
1454                                * only have advanced options */
1455     bool b_strict = psz_search && *psz_search == '=';
1456     if( b_strict ) psz_search++;
1457
1458     memset( psz_spaces_text, ' ', PADDING_SPACES+LINE_START );
1459     psz_spaces_text[PADDING_SPACES+LINE_START] = '\0';
1460     memset( psz_spaces_longtext, ' ', LINE_START+2 );
1461     psz_spaces_longtext[LINE_START+2] = '\0';
1462 #ifndef WIN32
1463     if( !isatty( 1 ) )
1464 #endif
1465         b_color = false; // don't put color control codes in a .txt file
1466
1467     if( b_color )
1468     {
1469         strcpy( psz_format, COLOR_FORMAT_STRING );
1470         strcpy( psz_format_bool, COLOR_FORMAT_STRING_BOOL );
1471     }
1472     else
1473     {
1474         strcpy( psz_format, FORMAT_STRING );
1475         strcpy( psz_format_bool, FORMAT_STRING );
1476     }
1477
1478     /* List all modules */
1479     module_t **list = module_list_get (NULL);
1480     if (!list)
1481         return;
1482
1483     /* Ugly hack to make sure that the help options always come first
1484      * (part 1) */
1485     if( !psz_search )
1486         Usage( p_this, "help" );
1487
1488     /* Enumerate the config for each module */
1489     for (size_t i = 0; list[i]; i++)
1490     {
1491         bool b_help_module;
1492         module_t *p_parser = list[i];
1493         module_config_t *p_item = NULL;
1494         module_config_t *p_section = NULL;
1495         module_config_t *p_end = p_parser->p_config + p_parser->confsize;
1496
1497         if( psz_search &&
1498             ( b_strict ? strcmp( psz_search, p_parser->psz_object_name )
1499                        : !strstr( p_parser->psz_object_name, psz_search ) ) )
1500         {
1501             char *const *pp_shortcut = p_parser->pp_shortcuts;
1502             while( *pp_shortcut )
1503             {
1504                 if( b_strict ? !strcmp( psz_search, *pp_shortcut )
1505                              : !!strstr( *pp_shortcut, psz_search ) )
1506                     break;
1507                 pp_shortcut ++;
1508             }
1509             if( !*pp_shortcut )
1510                 continue;
1511         }
1512
1513         /* Ignore modules without config options */
1514         if( !p_parser->i_config_items )
1515         {
1516             continue;
1517         }
1518
1519         b_help_module = !strcmp( "help", p_parser->psz_object_name );
1520         /* Ugly hack to make sure that the help options always come first
1521          * (part 2) */
1522         if( !psz_search && b_help_module )
1523             continue;
1524
1525         /* Ignore modules with only advanced config options if requested */
1526         if( !b_advanced )
1527         {
1528             for( p_item = p_parser->p_config;
1529                  p_item < p_end;
1530                  p_item++ )
1531             {
1532                 if( (p_item->i_type & CONFIG_ITEM) &&
1533                     !p_item->b_advanced && !p_item->b_removed ) break;
1534             }
1535
1536             if( p_item == p_end )
1537             {
1538                 i_only_advanced++;
1539                 continue;
1540             }
1541         }
1542
1543         b_found = true;
1544
1545         /* Print name of module */
1546         if( strcmp( "main", p_parser->psz_object_name ) )
1547         {
1548             if( b_color )
1549                 utf8_fprintf( stdout, "\n " GREEN "%s" GRAY " (%s)\n",
1550                               _( p_parser->psz_longname ),
1551                               p_parser->psz_object_name );
1552             else
1553                 utf8_fprintf( stdout, "\n %s\n", _( p_parser->psz_longname ) );
1554         }
1555         if( p_parser->psz_help )
1556         {
1557             if( b_color )
1558                 utf8_fprintf( stdout, CYAN" %s\n"GRAY,
1559                               _( p_parser->psz_help ) );
1560             else
1561                 utf8_fprintf( stdout, " %s\n",  _( p_parser->psz_help ) );
1562         }
1563
1564         /* Print module options */
1565         for( p_item = p_parser->p_config;
1566              p_item < p_end;
1567              p_item++ )
1568         {
1569             char *psz_text, *psz_spaces = psz_spaces_text;
1570             const char *psz_bra = NULL, *psz_type = NULL, *psz_ket = NULL;
1571             const char *psz_suf = "", *psz_prefix = NULL;
1572             signed int i;
1573             size_t i_cur_width;
1574
1575             /* Skip removed options */
1576             if( p_item->b_removed )
1577             {
1578                 continue;
1579             }
1580             /* Skip advanced options if requested */
1581             if( p_item->b_advanced && !b_advanced )
1582             {
1583                 b_has_advanced = true;
1584                 continue;
1585             }
1586
1587             switch( p_item->i_type )
1588             {
1589             case CONFIG_HINT_CATEGORY:
1590             case CONFIG_HINT_USAGE:
1591                 if( !strcmp( "main", p_parser->psz_object_name ) )
1592                 {
1593                     if( b_color )
1594                         utf8_fprintf( stdout, GREEN "\n %s\n" GRAY,
1595                                       _( p_item->psz_text ) );
1596                     else
1597                         utf8_fprintf( stdout, "\n %s\n",
1598                                       _( p_item->psz_text ) );
1599                 }
1600                 if( b_description && p_item->psz_longtext )
1601                 {
1602                     if( b_color )
1603                         utf8_fprintf( stdout, CYAN " %s\n" GRAY,
1604                                       _( p_item->psz_longtext ) );
1605                     else
1606                         utf8_fprintf( stdout, " %s\n",
1607                                       _( p_item->psz_longtext ) );
1608                 }
1609                 break;
1610
1611             case CONFIG_HINT_SUBCATEGORY:
1612                 if( strcmp( "main", p_parser->psz_object_name ) )
1613                     break;
1614             case CONFIG_SECTION:
1615                 p_section = p_item;
1616                 break;
1617
1618             case CONFIG_ITEM_STRING:
1619             case CONFIG_ITEM_FILE:
1620             case CONFIG_ITEM_DIRECTORY:
1621             case CONFIG_ITEM_MODULE: /* We could also have "=<" here */
1622             case CONFIG_ITEM_MODULE_CAT:
1623             case CONFIG_ITEM_MODULE_LIST:
1624             case CONFIG_ITEM_MODULE_LIST_CAT:
1625             case CONFIG_ITEM_FONT:
1626             case CONFIG_ITEM_PASSWORD:
1627                 print_help_section( p_section, b_color, b_description );
1628                 p_section = NULL;
1629                 psz_bra = OPTION_VALUE_SEP "<";
1630                 psz_type = _("string");
1631                 psz_ket = ">";
1632
1633                 if( p_item->ppsz_list )
1634                 {
1635                     psz_bra = OPTION_VALUE_SEP "{";
1636                     psz_type = psz_buffer;
1637                     psz_buffer[0] = '\0';
1638                     for( i = 0; p_item->ppsz_list[i]; i++ )
1639                     {
1640                         if( i ) strcat( psz_buffer, "," );
1641                         strcat( psz_buffer, p_item->ppsz_list[i] );
1642                     }
1643                     psz_ket = "}";
1644                 }
1645                 break;
1646             case CONFIG_ITEM_INTEGER:
1647             case CONFIG_ITEM_KEY: /* FIXME: do something a bit more clever */
1648                 print_help_section( p_section, b_color, b_description );
1649                 p_section = NULL;
1650                 psz_bra = OPTION_VALUE_SEP "<";
1651                 psz_type = _("integer");
1652                 psz_ket = ">";
1653
1654                 if( p_item->min.i || p_item->max.i )
1655                 {
1656                     sprintf( psz_buffer, "%s [%i .. %i]", psz_type,
1657                              p_item->min.i, p_item->max.i );
1658                     psz_type = psz_buffer;
1659                 }
1660
1661                 if( p_item->i_list )
1662                 {
1663                     psz_bra = OPTION_VALUE_SEP "{";
1664                     psz_type = psz_buffer;
1665                     psz_buffer[0] = '\0';
1666                     for( i = 0; p_item->ppsz_list_text[i]; i++ )
1667                     {
1668                         if( i ) strcat( psz_buffer, ", " );
1669                         sprintf( psz_buffer + strlen(psz_buffer), "%i (%s)",
1670                                  p_item->pi_list[i],
1671                                  _( p_item->ppsz_list_text[i] ) );
1672                     }
1673                     psz_ket = "}";
1674                 }
1675                 break;
1676             case CONFIG_ITEM_FLOAT:
1677                 print_help_section( p_section, b_color, b_description );
1678                 p_section = NULL;
1679                 psz_bra = OPTION_VALUE_SEP "<";
1680                 psz_type = _("float");
1681                 psz_ket = ">";
1682                 if( p_item->min.f || p_item->max.f )
1683                 {
1684                     sprintf( psz_buffer, "%s [%f .. %f]", psz_type,
1685                              p_item->min.f, p_item->max.f );
1686                     psz_type = psz_buffer;
1687                 }
1688                 break;
1689             case CONFIG_ITEM_BOOL:
1690                 print_help_section( p_section, b_color, b_description );
1691                 p_section = NULL;
1692                 psz_bra = ""; psz_type = ""; psz_ket = "";
1693                 if( !b_help_module )
1694                 {
1695                     psz_suf = p_item->value.i ? _(" (default enabled)") :
1696                                                 _(" (default disabled)");
1697                 }
1698                 break;
1699             }
1700
1701             if( !psz_type )
1702             {
1703                 continue;
1704             }
1705
1706             /* Add short option if any */
1707             if( p_item->i_short )
1708             {
1709                 sprintf( psz_short, "-%c,", p_item->i_short );
1710             }
1711             else
1712             {
1713                 strcpy( psz_short, "   " );
1714             }
1715
1716             i = PADDING_SPACES - strlen( p_item->psz_name )
1717                  - strlen( psz_bra ) - strlen( psz_type )
1718                  - strlen( psz_ket ) - 1;
1719
1720             if( p_item->i_type == CONFIG_ITEM_BOOL && !b_help_module )
1721             {
1722                 psz_prefix =  ", --no-";
1723                 i -= strlen( p_item->psz_name ) + strlen( psz_prefix );
1724             }
1725
1726             if( i < 0 )
1727             {
1728                 psz_spaces[0] = '\n';
1729                 i = 0;
1730             }
1731             else
1732             {
1733                 psz_spaces[i] = '\0';
1734             }
1735
1736             if( p_item->i_type == CONFIG_ITEM_BOOL && !b_help_module )
1737             {
1738                 utf8_fprintf( stdout, psz_format_bool, psz_short,
1739                               p_item->psz_name, psz_prefix, p_item->psz_name,
1740                               psz_bra, psz_type, psz_ket, psz_spaces );
1741             }
1742             else
1743             {
1744                 utf8_fprintf( stdout, psz_format, psz_short, p_item->psz_name,
1745                          "", "", psz_bra, psz_type, psz_ket, psz_spaces );
1746             }
1747
1748             psz_spaces[i] = ' ';
1749
1750             /* We wrap the rest of the output */
1751             sprintf( psz_buffer, "%s%s", _( p_item->psz_text ),
1752                      psz_suf );
1753             b_description_hack = b_description;
1754
1755  description:
1756             psz_text = psz_buffer;
1757             i_cur_width = b_description && !b_description_hack
1758                           ? i_width_description
1759                           : i_width;
1760             while( *psz_text )
1761             {
1762                 char *psz_parser, *psz_word;
1763                 size_t i_end = strlen( psz_text );
1764
1765                 /* If the remaining text fits in a line, print it. */
1766                 if( i_end <= i_cur_width )
1767                 {
1768                     if( b_color )
1769                     {
1770                         if( !b_description || b_description_hack )
1771                             utf8_fprintf( stdout, BLUE"%s\n"GRAY, psz_text );
1772                         else
1773                             utf8_fprintf( stdout, "%s\n", psz_text );
1774                     }
1775                     else
1776                     {
1777                         utf8_fprintf( stdout, "%s\n", psz_text );
1778                     }
1779                     break;
1780                 }
1781
1782                 /* Otherwise, eat as many words as possible */
1783                 psz_parser = psz_text;
1784                 do
1785                 {
1786                     psz_word = psz_parser;
1787                     psz_parser = strchr( psz_word, ' ' );
1788                     /* If no space was found, we reached the end of the text
1789                      * block; otherwise, we skip the space we just found. */
1790                     psz_parser = psz_parser ? psz_parser + 1
1791                                             : psz_text + i_end;
1792
1793                 } while( (size_t)(psz_parser - psz_text) <= i_cur_width );
1794
1795                 /* We cut a word in one of these cases:
1796                  *  - it's the only word in the line and it's too long.
1797                  *  - we used less than 80% of the width and the word we are
1798                  *    going to wrap is longer than 40% of the width, and even
1799                  *    if the word would have fit in the next line. */
1800                 if( psz_word == psz_text
1801              || ( (size_t)(psz_word - psz_text) < 80 * i_cur_width / 100
1802              && (size_t)(psz_parser - psz_word) > 40 * i_cur_width / 100 ) )
1803                 {
1804                     char c = psz_text[i_cur_width];
1805                     psz_text[i_cur_width] = '\0';
1806                     if( b_color )
1807                     {
1808                         if( !b_description || b_description_hack )
1809                             utf8_fprintf( stdout, BLUE"%s\n%s"GRAY,
1810                                           psz_text, psz_spaces );
1811                         else
1812                             utf8_fprintf( stdout, "%s\n%s",
1813                                           psz_text, psz_spaces );
1814                     }
1815                     else
1816                     {
1817                         utf8_fprintf( stdout, "%s\n%s", psz_text, psz_spaces );
1818                     }
1819                     psz_text += i_cur_width;
1820                     psz_text[0] = c;
1821                 }
1822                 else
1823                 {
1824                     psz_word[-1] = '\0';
1825                     if( b_color )
1826                     {
1827                         if( !b_description || b_description_hack )
1828                             utf8_fprintf( stdout, BLUE"%s\n%s"GRAY,
1829                                           psz_text, psz_spaces );
1830                         else
1831                             utf8_fprintf( stdout, "%s\n%s",
1832                                           psz_text, psz_spaces );
1833                     }
1834                     else
1835                     {
1836                         utf8_fprintf( stdout, "%s\n%s", psz_text, psz_spaces );
1837                     }
1838                     psz_text = psz_word;
1839                 }
1840             }
1841
1842             if( b_description_hack && p_item->psz_longtext )
1843             {
1844                 sprintf( psz_buffer, "%s%s", _( p_item->psz_longtext ),
1845                          psz_suf );
1846                 b_description_hack = false;
1847                 psz_spaces = psz_spaces_longtext;
1848                 utf8_fprintf( stdout, "%s", psz_spaces );
1849                 goto description;
1850             }
1851         }
1852     }
1853
1854     if( b_has_advanced )
1855     {
1856         if( b_color )
1857             utf8_fprintf( stdout, "\n" WHITE "%s" GRAY " %s\n", _( "Note:" ),
1858            _( "add --advanced to your command line to see advanced options."));
1859         else
1860             utf8_fprintf( stdout, "\n%s %s\n", _( "Note:" ),
1861            _( "add --advanced to your command line to see advanced options."));
1862     }
1863
1864     if( i_only_advanced > 0 )
1865     {
1866         if( b_color )
1867         {
1868             utf8_fprintf( stdout, "\n" WHITE "%s" GRAY " ", _( "Note:" ) );
1869             utf8_fprintf( stdout, _( "%d module(s) were not displayed because they only have advanced options.\n" ), i_only_advanced );
1870         }
1871         else
1872         {
1873             utf8_fprintf( stdout, "\n%s ", _( "Note:" ) );
1874             utf8_fprintf( stdout, _( "%d module(s) were not displayed because they only have advanced options.\n" ), i_only_advanced );
1875         }
1876     }
1877     else if( !b_found )
1878     {
1879         if( b_color )
1880             utf8_fprintf( stdout, "\n" WHITE "%s" GRAY "\n",
1881                        _( "No matching module found. Use --list or " \
1882                           "--list-verbose to list available modules." ) );
1883         else
1884             utf8_fprintf( stdout, "\n%s\n",
1885                        _( "No matching module found. Use --list or " \
1886                           "--list-verbose to list available modules." ) );
1887     }
1888
1889     /* Release the module list */
1890     module_list_free (list);
1891 }
1892
1893 /*****************************************************************************
1894  * ListModules: list the available modules with their description
1895  *****************************************************************************
1896  * Print a list of all available modules (builtins and plugins) and a short
1897  * description for each one.
1898  *****************************************************************************/
1899 static void ListModules( libvlc_int_t *p_this, bool b_verbose )
1900 {
1901     module_t *p_parser;
1902
1903     bool b_color = config_GetInt( p_this, "color" ) > 0;
1904
1905 #ifdef WIN32
1906     ShowConsole( true );
1907 #endif
1908
1909     /* List all modules */
1910     module_t **list = module_list_get (NULL);
1911
1912     /* Enumerate each module */
1913     for (size_t j = 0; (p_parser = list[j]) != NULL; j++)
1914     {
1915         if( b_color )
1916             utf8_fprintf( stdout, GREEN"  %-22s "WHITE"%s\n"GRAY,
1917                           p_parser->psz_object_name,
1918                           _( p_parser->psz_longname ) );
1919         else
1920             utf8_fprintf( stdout, "  %-22s %s\n",
1921                           p_parser->psz_object_name,
1922                           _( p_parser->psz_longname ) );
1923
1924         if( b_verbose )
1925         {
1926             char *const *pp_shortcut = p_parser->pp_shortcuts;
1927             while( *pp_shortcut )
1928             {
1929                 if( strcmp( *pp_shortcut, p_parser->psz_object_name ) )
1930                 {
1931                     if( b_color )
1932                         utf8_fprintf( stdout, CYAN"   s %s\n"GRAY,
1933                                       *pp_shortcut );
1934                     else
1935                         utf8_fprintf( stdout, "   s %s\n",
1936                                       *pp_shortcut );
1937                 }
1938                 pp_shortcut++;
1939             }
1940             if( p_parser->psz_capability )
1941             {
1942                 if( b_color )
1943                     utf8_fprintf( stdout, MAGENTA"   c %s (%d)\n"GRAY,
1944                                   p_parser->psz_capability,
1945                                   p_parser->i_score );
1946                 else
1947                     utf8_fprintf( stdout, "   c %s (%d)\n",
1948                                   p_parser->psz_capability,
1949                                   p_parser->i_score );
1950             }
1951         }
1952     }
1953     module_list_free (list);
1954
1955 #ifdef WIN32        /* Pause the console because it's destroyed when we exit */
1956     PauseConsole();
1957 #endif
1958 }
1959
1960 /*****************************************************************************
1961  * Version: print complete program version
1962  *****************************************************************************
1963  * Print complete program version and build number.
1964  *****************************************************************************/
1965 static void Version( void )
1966 {
1967     extern const char psz_vlc_changeset[];
1968 #ifdef WIN32
1969     ShowConsole( true );
1970 #endif
1971
1972     utf8_fprintf( stdout, _("VLC version %s (%s)\n"), VLC_Version(),
1973                   psz_vlc_changeset );
1974     utf8_fprintf( stdout, _("Compiled by %s@%s.%s\n"),
1975              VLC_CompileBy(), VLC_CompileHost(), VLC_CompileDomain() );
1976     utf8_fprintf( stdout, _("Compiler: %s\n"), VLC_Compiler() );
1977     utf8_fprintf( stdout, "%s", LICENSE_MSG );
1978
1979 #ifdef WIN32        /* Pause the console because it's destroyed when we exit */
1980     PauseConsole();
1981 #endif
1982 }
1983
1984 /*****************************************************************************
1985  * ShowConsole: On Win32, create an output console for debug messages
1986  *****************************************************************************
1987  * This function is useful only on Win32.
1988  *****************************************************************************/
1989 #ifdef WIN32 /*  */
1990 static void ShowConsole( bool b_dofile )
1991 {
1992 #   ifndef UNDER_CE
1993     FILE *f_help = NULL;
1994
1995     if( getenv( "PWD" ) && getenv( "PS1" ) ) return; /* cygwin shell */
1996
1997     AllocConsole();
1998     /* Use the ANSI code page (e.g. Windows-1252) as expected by the LibVLC
1999      * Unicode/locale subsystem. By default, we have the obsolecent OEM code
2000      * page (e.g. CP437 or CP850). */
2001     SetConsoleOutputCP (GetACP ());
2002     SetConsoleTitle ("VLC media player version "PACKAGE_VERSION);
2003
2004     freopen( "CONOUT$", "w", stderr );
2005     freopen( "CONIN$", "r", stdin );
2006
2007     if( b_dofile && (f_help = fopen( "vlc-help.txt", "wt" )) )
2008     {
2009         fclose( f_help );
2010         freopen( "vlc-help.txt", "wt", stdout );
2011         utf8_fprintf( stderr, _("\nDumped content to vlc-help.txt file.\n") );
2012     }
2013     else freopen( "CONOUT$", "w", stdout );
2014
2015 #   endif
2016 }
2017 #endif
2018
2019 /*****************************************************************************
2020  * PauseConsole: On Win32, wait for a key press before closing the console
2021  *****************************************************************************
2022  * This function is useful only on Win32.
2023  *****************************************************************************/
2024 #ifdef WIN32 /*  */
2025 static void PauseConsole( void )
2026 {
2027 #   ifndef UNDER_CE
2028
2029     if( getenv( "PWD" ) && getenv( "PS1" ) ) return; /* cygwin shell */
2030
2031     utf8_fprintf( stderr, _("\nPress the RETURN key to continue...\n") );
2032     getchar();
2033     fclose( stdout );
2034
2035 #   endif
2036 }
2037 #endif
2038
2039 /*****************************************************************************
2040  * ConsoleWidth: Return the console width in characters
2041  *****************************************************************************
2042  * We use the stty shell command to get the console width; if this fails or
2043  * if the width is less than 80, we default to 80.
2044  *****************************************************************************/
2045 static int ConsoleWidth( void )
2046 {
2047     unsigned i_width = 80;
2048
2049 #ifndef WIN32
2050     FILE *file = popen( "stty size 2>/dev/null", "r" );
2051     if (file != NULL)
2052     {
2053         if (fscanf (file, "%*u %u", &i_width) <= 0)
2054             i_width = 80;
2055         pclose( file );
2056     }
2057 #elif !defined (UNDER_CE)
2058     CONSOLE_SCREEN_BUFFER_INFO buf;
2059
2060     if (GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &buf))
2061         i_width = buf.dwSize.X;
2062 #endif
2063
2064     return i_width;
2065 }
2066
2067 #include <vlc_avcodec.h>
2068
2069 void vlc_avcodec_mutex (bool acquire)
2070 {
2071     static vlc_mutex_t lock = VLC_STATIC_MUTEX;
2072
2073     if (acquire)
2074         vlc_mutex_lock (&lock);
2075     else
2076         vlc_mutex_unlock (&lock);
2077 }