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 <stdio.h>                                              /* sprintf() */
  47 #include <string.h>
  48 #include <stdlib.h>                                                /* free() */
  49
  50 #ifndef WIN32
  51 #   include <netinet/in.h>                            /* BSD: struct in_addr */
  52 #endif
  53
  54 #ifdef HAVE_UNISTD_H
  55 #   include <unistd.h>
  56 #elif defined( WIN32 ) && !defined( UNDER_CE )
  57 #   include <io.h>
  58 #endif
  59
  60 #include "config/vlc_getopt.h"
  61
  62 #ifdef HAVE_LOCALE_H
  63 #   include <locale.h>
  64 #endif
  65
  66 #ifdef HAVE_DBUS
  67 /* used for one-instance mode */
  68 #   include <dbus/dbus.h>
  69 #endif
  70
  71 #include <vlc_playlist.h>
  72 #include <vlc_interface.h>
  73
  74 #include <vlc_aout.h>
  75 #include "audio_output/aout_internal.h"
  76
  77 #include <vlc_charset.h>
  78 #include <vlc_fs.h>
  79 #include <vlc_cpu.h>
  80 #include <vlc_url.h>
  81
  82 #include "libvlc.h"
  83
  84 #include "playlist/playlist_internal.h"
  85
  86 #include <vlc_vlm.h>
  87
  88 #ifdef __APPLE__
  89 # include <libkern/OSAtomic.h>
  90 #endif
  91
  92 #include <assert.h>
  93
  94 /*****************************************************************************
  95  * The evil global variables. We handle them with care, don't worry.
  96  *****************************************************************************/
  97 static unsigned          i_instances = 0;
  98
  99 #ifndef WIN32
 100 static bool b_daemon = false;
 101 #endif
 102
 103 #undef vlc_gc_init
 104 #undef vlc_hold
 105 #undef vlc_release
 106
 107 /**
 108  * Atomically set the reference count to 1.
 109  * @param p_gc reference counted object
 110  * @param pf_destruct destruction calback
 111  * @return p_gc.
 112  */
 113 void *vlc_gc_init (gc_object_t *p_gc, void (*pf_destruct) (gc_object_t *))
 114 {
 115     /* There is no point in using the GC if there is no destructor... */
 116     assert (pf_destruct);
 117     p_gc->pf_destructor = pf_destruct;
 118
 119     p_gc->refs = 1;
 120 #if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
 121     __sync_synchronize ();
 122 #elif defined (WIN32) && defined (__GNUC__)
 123 #elif defined(__APPLE__)
 124     OSMemoryBarrier ();
 125 #else
 126     /* Nobody else can possibly lock the spin - it's there as a barrier */
 127     vlc_spin_init (&p_gc->spin);
 128     vlc_spin_lock (&p_gc->spin);
 129     vlc_spin_unlock (&p_gc->spin);
 130 #endif
 131     return p_gc;
 132 }
 133
 134 /**
 135  * Atomically increment the reference count.
 136  * @param p_gc reference counted object
 137  * @return p_gc.
 138  */
 139 void *vlc_hold (gc_object_t * p_gc)
 140 {
 141     uintptr_t refs;
 142     assert( p_gc );
 143     assert ((((uintptr_t)&p_gc->refs) & (sizeof (void *) - 1)) == 0); /* alignment */
 144
 145 #if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
 146     refs = __sync_add_and_fetch (&p_gc->refs, 1);
 147 #elif defined (WIN64)
 148     refs = InterlockedIncrement64 (&p_gc->refs);
 149 #elif defined (WIN32)
 150     refs = InterlockedIncrement (&p_gc->refs);
 151 #elif defined(__APPLE__)
 152     refs = OSAtomicIncrement32Barrier((int*)&p_gc->refs);
 153 #else
 154     vlc_spin_lock (&p_gc->spin);
 155     refs = ++p_gc->refs;
 156     vlc_spin_unlock (&p_gc->spin);
 157 #endif
 158     assert (refs != 1); /* there had to be a reference already */
 159     return p_gc;
 160 }
 161
 162 /**
 163  * Atomically decrement the reference count and, if it reaches zero, destroy.
 164  * @param p_gc reference counted object.
 165  */
 166 void vlc_release (gc_object_t *p_gc)
 167 {
 168     unsigned refs;
 169
 170     assert( p_gc );
 171     assert ((((uintptr_t)&p_gc->refs) & (sizeof (void *) - 1)) == 0); /* alignment */
 172
 173 #if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
 174     refs = __sync_sub_and_fetch (&p_gc->refs, 1);
 175 #elif defined (WIN64)
 176     refs = InterlockedDecrement64 (&p_gc->refs);
 177 #elif defined (WIN32)
 178     refs = InterlockedDecrement (&p_gc->refs);
 179 #elif defined(__APPLE__)
 180     refs = OSAtomicDecrement32Barrier((int*)&p_gc->refs);
 181 #else
 182     vlc_spin_lock (&p_gc->spin);
 183     refs = --p_gc->refs;
 184     vlc_spin_unlock (&p_gc->spin);
 185 #endif
 186
 187     assert (refs != (uintptr_t)(-1)); /* reference underflow?! */
 188     if (refs == 0)
 189     {
 190 #if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
 191 #elif defined (WIN32) && defined (__GNUC__)
 192 #elif defined(__APPLE__)
 193 #else
 194         vlc_spin_destroy (&p_gc->spin);
 195 #endif
 196         p_gc->pf_destructor (p_gc);
 197     }
 198 }
 199
 200 /*****************************************************************************
 201  * Local prototypes
 202  *****************************************************************************/
 203 #if defined( ENABLE_NLS ) && (defined (__APPLE__) || defined (WIN32)) && \
 204     ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
 205 static void SetLanguage   ( char const * );
 206 #endif
 207 static void GetFilenames  ( libvlc_int_t *, unsigned, const char *const [] );
 208 static void Help          ( libvlc_int_t *, char const *psz_help_name );
 209 static void Usage         ( libvlc_int_t *, char const *psz_search );
 210 static void ListModules   ( libvlc_int_t *, bool );
 211 static void Version       ( void );
 212
 213 #ifdef WIN32
 214 static void ShowConsole   ( bool );
 215 static void PauseConsole  ( void );
 216 #endif
 217 static int  ConsoleWidth  ( void );
 218
 219 static vlc_mutex_t global_lock = VLC_STATIC_MUTEX;
 220 extern const char psz_vlc_changeset[];
 221
 222 /**
 223  * Allocate a libvlc instance, initialize global data if needed
 224  * It also initializes the threading system
 225  */
 226 libvlc_int_t * libvlc_InternalCreate( void )
 227 {
 228     libvlc_int_t *p_libvlc;
 229     libvlc_priv_t *priv;
 230     char *psz_env = NULL;
 231
 232     /* Now that the thread system is initialized, we don't have much, but
 233      * at least we have variables */
 234     vlc_mutex_lock( &global_lock );
 235     if( i_instances == 0 )
 236     {
 237         /* Guess what CPU we have */
 238         cpu_flags = CPUCapabilities();
 239         /* The module bank will be initialized later */
 240     }
 241
 242     /* Allocate a libvlc instance object */
 243     p_libvlc = vlc_custom_create( (vlc_object_t *)NULL, sizeof (*priv),
 244                                   VLC_OBJECT_GENERIC, "libvlc" );
 245     if( p_libvlc != NULL )
 246         i_instances++;
 247     vlc_mutex_unlock( &global_lock );
 248
 249     if( p_libvlc == NULL )
 250         return NULL;
 251
 252     priv = libvlc_priv (p_libvlc);
 253     priv->p_playlist = NULL;
 254     priv->p_dialog_provider = NULL;
 255     priv->p_vlm = NULL;
 256
 257     /* Initialize message queue */
 258     priv->msg_bank = msg_Create ();
 259     if (unlikely(priv->msg_bank == NULL))
 260         goto error;
 261
 262     /* Find verbosity from VLC_VERBOSE environment variable */
 263     psz_env = getenv( "VLC_VERBOSE" );
 264     if( psz_env != NULL )
 265         priv->i_verbose = atoi( psz_env );
 266     else
 267         priv->i_verbose = 3;
 268 #if defined( HAVE_ISATTY ) && !defined( WIN32 )
 269     priv->b_color = isatty( 2 ); /* 2 is for stderr */
 270 #else
 271     priv->b_color = false;
 272 #endif
 273
 274     /* Initialize mutexes */
 275     vlc_mutex_init( &priv->timer_lock );
 276     vlc_ExitInit( &priv->exit );
 277
 278     return p_libvlc;
 279 error:
 280     vlc_object_release (p_libvlc);
 281     return NULL;
 282 }
 283
 284 /**
 285  * Initialize a libvlc instance
 286  * This function initializes a previously allocated libvlc instance:
 287  *  - CPU detection
 288  *  - gettext initialization
 289  *  - message queue, module bank and playlist initialization
 290  *  - configuration and commandline parsing
 291  */
 292 int libvlc_InternalInit( libvlc_int_t *p_libvlc, int i_argc,
 293                          const char *ppsz_argv[] )
 294 {
 295     libvlc_priv_t *priv = libvlc_priv (p_libvlc);
 296     char *       p_tmp = NULL;
 297     char *       psz_modules = NULL;
 298     char *       psz_parser = NULL;
 299     char *       psz_control = NULL;
 300     bool   b_exit = false;
 301     int          i_ret = VLC_EEXIT;
 302     playlist_t  *p_playlist = NULL;
 303     char        *psz_val;
 304 #if defined( ENABLE_NLS ) \
 305      && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
 306 # if defined (WIN32) || defined (__APPLE__)
 307     char *       psz_language;
 308 #endif
 309 #endif
 310
 311     /* System specific initialization code */
 312     system_Init( p_libvlc, &i_argc, ppsz_argv );
 313
 314     /*
 315      * Support for gettext
 316      */
 317     vlc_bindtextdomain (PACKAGE_NAME);
 318
 319     /* Initialize the module bank and load the configuration of the
 320      * main module. We need to do this at this stage to be able to display
 321      * a short help if required by the user. (short help == main module
 322      * options) */
 323     module_InitBank( p_libvlc );
 324
 325     if( config_LoadCmdLine( p_libvlc, i_argc, ppsz_argv, NULL ) )
 326     {
 327         module_EndBank( p_libvlc, false );
 328         return VLC_EGENERIC;
 329     }
 330
 331     priv->i_verbose = var_InheritInteger( p_libvlc, "verbose" );
 332     /* Announce who we are - Do it only for first instance ? */
 333     msg_Dbg( p_libvlc, "VLC media player - %s", VERSION_MESSAGE );
 334     msg_Dbg( p_libvlc, "%s", COPYRIGHT_MESSAGE );
 335     msg_Dbg( p_libvlc, "revision %s", psz_vlc_changeset );
 336     msg_Dbg( p_libvlc, "configured with %s", CONFIGURE_LINE );
 337     /*xgettext: Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
 338     msg_Dbg( p_libvlc, "translation test: code is \"%s\"", _("C") );
 339
 340     /* Check for short help option */
 341     if( var_InheritBool( p_libvlc, "help" ) )
 342     {
 343         Help( p_libvlc, "help" );
 344         b_exit = true;
 345         i_ret = VLC_EEXITSUCCESS;
 346     }
 347     /* Check for version option */
 348     else if( var_InheritBool( p_libvlc, "version" ) )
 349     {
 350         Version();
 351         b_exit = true;
 352         i_ret = VLC_EEXITSUCCESS;
 353     }
 354
 355     /* Check for daemon mode */
 356 #ifndef WIN32
 357     if( var_InheritBool( p_libvlc, "daemon" ) )
 358     {
 359 #ifdef HAVE_DAEMON
 360         char *psz_pidfile = NULL;
 361
 362         if( daemon( 1, 0) != 0 )
 363         {
 364             msg_Err( p_libvlc, "Unable to fork vlc to daemon mode" );
 365             b_exit = true;
 366         }
 367         b_daemon = true;
 368
 369         /* lets check if we need to write the pidfile */
 370         psz_pidfile = var_CreateGetNonEmptyString( p_libvlc, "pidfile" );
 371         if( psz_pidfile != NULL )
 372         {
 373             FILE *pidfile;
 374             pid_t i_pid = getpid ();
 375             msg_Dbg( p_libvlc, "PID is %d, writing it to %s",
 376                                i_pid, psz_pidfile );
 377             pidfile = vlc_fopen( psz_pidfile,"w" );
 378             if( pidfile != NULL )
 379             {
 380                 utf8_fprintf( pidfile, "%d", (int)i_pid );
 381                 fclose( pidfile );
 382             }
 383             else
 384             {
 385                 msg_Err( p_libvlc, "cannot open pid file for writing: %s (%m)",
 386                          psz_pidfile );
 387             }
 388         }
 389         free( psz_pidfile );
 390
 391 #else
 392         pid_t i_pid;
 393
 394         if( ( i_pid = fork() ) < 0 )
 395         {
 396             msg_Err( p_libvlc, "unable to fork vlc to daemon mode" );
 397             b_exit = true;
 398         }
 399         else if( i_pid )
 400         {
 401             /* This is the parent, exit right now */
 402             msg_Dbg( p_libvlc, "closing parent process" );
 403             b_exit = true;
 404             i_ret = VLC_EEXITSUCCESS;
 405         }
 406         else
 407         {
 408             /* We are the child */
 409             msg_Dbg( p_libvlc, "daemon spawned" );
 410             close( STDIN_FILENO );
 411             close( STDOUT_FILENO );
 412             close( STDERR_FILENO );
 413
 414             b_daemon = true;
 415         }
 416 #endif
 417     }
 418 #endif
 419
 420     if( b_exit )
 421     {
 422         module_EndBank( p_libvlc, false );
 423         return i_ret;
 424     }
 425
 426     /* Check for translation config option */
 427 #if defined( ENABLE_NLS ) \
 428      && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
 429 # if defined (WIN32) || defined (__APPLE__)
 430     if( !var_InheritBool( p_libvlc, "ignore-config" ) )
 431         config_LoadConfigFile( p_libvlc, "main" );
 432     priv->i_verbose = var_InheritInteger( p_libvlc, "verbose" );
 433
 434     /* Check if the user specified a custom language */
 435     psz_language = var_CreateGetNonEmptyString( p_libvlc, "language" );
 436     if( psz_language && strcmp( psz_language, "auto" ) )
 437     {
 438         /* Reset the default domain */
 439         SetLanguage( psz_language );
 440
 441         /* Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
 442         msg_Dbg( p_libvlc, "translation test: code is \"%s\"", _("C") );
 443     }
 444     free( psz_language );
 445 # endif
 446 #endif
 447
 448     /*
 449      * Load the builtins and plugins into the module_bank.
 450      * We have to do it before config_Load*() because this also gets the
 451      * list of configuration options exported by each module and loads their
 452      * default values.
 453      */
 454     module_LoadPlugins( p_libvlc );
 455     if( p_libvlc->b_die )
 456     {
 457         b_exit = true;
 458     }
 459
 460     size_t module_count;
 461     module_t **list = module_list_get( &module_count );
 462     module_list_free( list );
 463     msg_Dbg( p_libvlc, "module bank initialized (%zu modules)", module_count );
 464
 465     /* Check for help on modules */
 466     if( (p_tmp = var_InheritString( p_libvlc, "module" )) )
 467     {
 468         Help( p_libvlc, p_tmp );
 469         free( p_tmp );
 470         b_exit = true;
 471         i_ret = VLC_EEXITSUCCESS;
 472     }
 473     /* Check for full help option */
 474     else if( var_InheritBool( p_libvlc, "full-help" ) )
 475     {
 476         var_Create( p_libvlc, "advanced", VLC_VAR_BOOL );
 477         var_SetBool( p_libvlc, "advanced", true );
 478         var_Create( p_libvlc, "help-verbose", VLC_VAR_BOOL );
 479         var_SetBool( p_libvlc, "help-verbose", true );
 480         Help( p_libvlc, "full-help" );
 481         b_exit = true;
 482         i_ret = VLC_EEXITSUCCESS;
 483     }
 484     /* Check for long help option */
 485     else if( var_InheritBool( p_libvlc, "longhelp" ) )
 486     {
 487         Help( p_libvlc, "longhelp" );
 488         b_exit = true;
 489         i_ret = VLC_EEXITSUCCESS;
 490     }
 491     /* Check for module list option */
 492     else if( var_InheritBool( p_libvlc, "list" ) )
 493     {
 494         ListModules( p_libvlc, false );
 495         b_exit = true;
 496         i_ret = VLC_EEXITSUCCESS;
 497     }
 498     else if( var_InheritBool( p_libvlc, "list-verbose" ) )
 499     {
 500         ListModules( p_libvlc, true );
 501         b_exit = true;
 502         i_ret = VLC_EEXITSUCCESS;
 503     }
 504
 505     /* Check for config file options */
 506     if( !var_InheritBool( p_libvlc, "ignore-config" ) )
 507     {
 508         if( var_InheritBool( p_libvlc, "reset-config" ) )
 509         {
 510             config_ResetAll( p_libvlc );
 511             config_SaveConfigFile( p_libvlc, NULL );
 512         }
 513     }
 514
 515     if( module_count <= 1)
 516     {
 517         msg_Err( p_libvlc, "No modules were found, refusing to start. Check "
 518                 "that you properly gave a module path with --plugin-path.");
 519         b_exit = true;
 520         i_ret = VLC_ENOITEM;
 521     }
 522
 523     if( b_exit )
 524     {
 525         module_EndBank( p_libvlc, true );
 526         return i_ret;
 527     }
 528
 529     /*
 530      * Override default configuration with config file settings
 531      */
 532     if( !var_InheritBool( p_libvlc, "ignore-config" ) )
 533         config_LoadConfigFile( p_libvlc, NULL );
 534
 535     /*
 536      * Override configuration with command line settings
 537      */
 538     int vlc_optind;
 539     if( config_LoadCmdLine( p_libvlc, i_argc, ppsz_argv, &vlc_optind ) )
 540     {
 541 #ifdef WIN32
 542         ShowConsole( false );
 543         /* Pause the console because it's destroyed when we exit */
 544         fprintf( stderr, "The command line options couldn't be loaded, check "
 545                  "that they are valid.\n" );
 546         PauseConsole();
 547 #endif
 548         module_EndBank( p_libvlc, true );
 549         return VLC_EGENERIC;
 550     }
 551     priv->i_verbose = var_InheritInteger( p_libvlc, "verbose" );
 552
 553 /* FIXME: could be replaced by using Unix sockets */
 554 #ifdef HAVE_DBUS
 555     dbus_threads_init_default();
 556
 557     if( var_InheritBool( p_libvlc, "one-instance" )
 558     || ( var_InheritBool( p_libvlc, "one-instance-when-started-from-file" )
 559       && var_InheritBool( p_libvlc, "started-from-file" ) ) )
 560     {
 561         /* Initialise D-Bus interface, check for other instances */
 562         DBusConnection  *p_conn = NULL;
 563         DBusError       dbus_error;
 564
 565         dbus_error_init( &dbus_error );
 566
 567         /* connect to the session bus */
 568         p_conn = dbus_bus_get( DBUS_BUS_SESSION, &dbus_error );
 569         if( !p_conn )
 570         {
 571             msg_Err( p_libvlc, "Failed to connect to D-Bus session daemon: %s",
 572                     dbus_error.message );
 573             dbus_error_free( &dbus_error );
 574         }
 575         else
 576         {
 577             /* check if VLC is available on the bus
 578              * if not: D-Bus control is not enabled on the other
 579              * instance and we can't pass MRLs to it */
 580             DBusMessage *p_test_msg = NULL;
 581             DBusMessage *p_test_reply = NULL;
 582             p_test_msg =  dbus_message_new_method_call(
 583                     "org.mpris.vlc", "/",
 584                     "org.freedesktop.MediaPlayer", "Identity" );
 585             /* block until a reply arrives */
 586             p_test_reply = dbus_connection_send_with_reply_and_block(
 587                     p_conn, p_test_msg, -1, &dbus_error );
 588             dbus_message_unref( p_test_msg );
 589             if( p_test_reply == NULL )
 590             {
 591                 dbus_error_free( &dbus_error );
 592                 msg_Dbg( p_libvlc, "No Media Player is running. "
 593                         "Continuing normally." );
 594             }
 595             else
 596             {
 597                 int i_input;
 598                 DBusMessage* p_dbus_msg = NULL;
 599                 DBusMessageIter dbus_args;
 600                 DBusPendingCall* p_dbus_pending = NULL;
 601                 dbus_bool_t b_play;
 602
 603                 dbus_message_unref( p_test_reply );
 604                 msg_Warn( p_libvlc, "Another Media Player is running. Exiting");
 605
 606                 for( i_input = vlc_optind; i_input < i_argc;i_input++ )
 607                 {
 608                     msg_Dbg( p_libvlc, "Adds %s to the running Media Player",
 609                             ppsz_argv[i_input] );
 610
 611                     p_dbus_msg = dbus_message_new_method_call(
 612                             "org.mpris.vlc", "/TrackList",
 613                             "org.freedesktop.MediaPlayer", "AddTrack" );
 614
 615                     if ( NULL == p_dbus_msg )
 616                     {
 617                         msg_Err( p_libvlc, "D-Bus problem" );
 618                         system_End( p_libvlc );
 619                         exit( 1 );
 620                     }
 621
 622                     /* append MRLs */
 623                     dbus_message_iter_init_append( p_dbus_msg, &dbus_args );
 624                     if ( !dbus_message_iter_append_basic( &dbus_args,
 625                                 DBUS_TYPE_STRING, &ppsz_argv[i_input] ) )
 626                     {
 627                         dbus_message_unref( p_dbus_msg );
 628                         system_End( p_libvlc );
 629                         exit( 1 );
 630                     }
 631                     b_play = TRUE;
 632                     if( var_InheritBool( p_libvlc, "playlist-enqueue" ) )
 633                         b_play = FALSE;
 634                     if ( !dbus_message_iter_append_basic( &dbus_args,
 635                                 DBUS_TYPE_BOOLEAN, &b_play ) )
 636                     {
 637                         dbus_message_unref( p_dbus_msg );
 638                         system_End( p_libvlc );
 639                         exit( 1 );
 640                     }
 641
 642                     /* send message and get a handle for a reply */
 643                     if ( !dbus_connection_send_with_reply ( p_conn,
 644                                 p_dbus_msg, &p_dbus_pending, -1 ) )
 645                     {
 646                         msg_Err( p_libvlc, "D-Bus problem" );
 647                         dbus_message_unref( p_dbus_msg );
 648                         system_End( p_libvlc );
 649                         exit( 1 );
 650                     }
 651
 652                     if ( NULL == p_dbus_pending )
 653                     {
 654                         msg_Err( p_libvlc, "D-Bus problem" );
 655                         dbus_message_unref( p_dbus_msg );
 656                         system_End( p_libvlc );
 657                         exit( 1 );
 658                     }
 659                     dbus_connection_flush( p_conn );
 660                     dbus_message_unref( p_dbus_msg );
 661                     /* block until we receive a reply */
 662                     dbus_pending_call_block( p_dbus_pending );
 663                     dbus_pending_call_unref( p_dbus_pending );
 664                 } /* processes all command line MRLs */
 665
 666                 /* bye bye */
 667                 system_End( p_libvlc );
 668                 exit( 0 );
 669             }
 670         }
 671         /* we unreference the connection when we've finished with it */
 672         if( p_conn ) dbus_connection_unref( p_conn );
 673     }
 674 #endif
 675
 676     /*
 677      * Message queue options
 678      */
 679     char * psz_verbose_objects = var_CreateGetNonEmptyString( p_libvlc, "verbose-objects" );
 680     if( psz_verbose_objects )
 681     {
 682         char * psz_object, * iter = psz_verbose_objects;
 683         while( (psz_object = strsep( &iter, "," )) )
 684         {
 685             switch( psz_object[0] )
 686             {
 687                 printf("%s\n", psz_object+1);
 688                 case '+': msg_EnableObjectPrinting(p_libvlc, psz_object+1); break;
 689                 case '-': msg_DisableObjectPrinting(p_libvlc, psz_object+1); break;
 690                 default:
 691                     msg_Err( p_libvlc, "verbose-objects usage: \n"
 692                             "--verbose-objects=+printthatobject,"
 693                             "-dontprintthatone\n"
 694                             "(keyword 'all' to applies to all objects)");
 695                     free( psz_verbose_objects );
 696                     /* FIXME: leaks!!!! */
 697                     return VLC_EGENERIC;
 698             }
 699         }
 700         free( psz_verbose_objects );
 701     }
 702
 703     /* Last chance to set the verbosity. Once we start interfaces and other
 704      * threads, verbosity becomes read-only. */
 705     var_Create( p_libvlc, "verbose", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 706     if( var_InheritBool( p_libvlc, "quiet" ) )
 707     {
 708         var_SetInteger( p_libvlc, "verbose", -1 );
 709         priv->i_verbose = -1;
 710     }
 711     vlc_threads_setup( p_libvlc );
 712
 713     if( priv->b_color )
 714         priv->b_color = var_InheritBool( p_libvlc, "color" );
 715
 716     char p_capabilities[200];
 717 #define PRINT_CAPABILITY( capability, string )                              \
 718     if( vlc_CPU() & capability )                                            \
 719     {                                                                       \
 720         strncat( p_capabilities, string " ",                                \
 721                  sizeof(p_capabilities) - strlen(p_capabilities) );         \
 722         p_capabilities[sizeof(p_capabilities) - 1] = '\0';                  \
 723     }
 724     p_capabilities[0] = '\0';
 725
 726 #if defined( __i386__ ) || defined( __x86_64__ )
 727     if( !var_InheritBool( p_libvlc, "mmx" ) )
 728         cpu_flags &= ~CPU_CAPABILITY_MMX;
 729     if( !var_InheritBool( p_libvlc, "3dn" ) )
 730         cpu_flags &= ~CPU_CAPABILITY_3DNOW;
 731     if( !var_InheritBool( p_libvlc, "mmxext" ) )
 732         cpu_flags &= ~CPU_CAPABILITY_MMXEXT;
 733     if( !var_InheritBool( p_libvlc, "sse" ) )
 734         cpu_flags &= ~CPU_CAPABILITY_SSE;
 735     if( !var_InheritBool( p_libvlc, "sse2" ) )
 736         cpu_flags &= ~CPU_CAPABILITY_SSE2;
 737     if( !var_InheritBool( p_libvlc, "sse3" ) )
 738         cpu_flags &= ~CPU_CAPABILITY_SSE3;
 739     if( !var_InheritBool( p_libvlc, "ssse3" ) )
 740         cpu_flags &= ~CPU_CAPABILITY_SSSE3;
 741     if( !var_InheritBool( p_libvlc, "sse41" ) )
 742         cpu_flags &= ~CPU_CAPABILITY_SSE4_1;
 743     if( !var_InheritBool( p_libvlc, "sse42" ) )
 744         cpu_flags &= ~CPU_CAPABILITY_SSE4_2;
 745
 746     PRINT_CAPABILITY( CPU_CAPABILITY_MMX, "MMX" );
 747     PRINT_CAPABILITY( CPU_CAPABILITY_3DNOW, "3DNow!" );
 748     PRINT_CAPABILITY( CPU_CAPABILITY_MMXEXT, "MMXEXT" );
 749     PRINT_CAPABILITY( CPU_CAPABILITY_SSE, "SSE" );
 750     PRINT_CAPABILITY( CPU_CAPABILITY_SSE2, "SSE2" );
 751     PRINT_CAPABILITY( CPU_CAPABILITY_SSE3, "SSE3" );
 752     PRINT_CAPABILITY( CPU_CAPABILITY_SSSE3, "SSSE3" );
 753     PRINT_CAPABILITY( CPU_CAPABILITY_SSE4_1, "SSE4.1" );
 754     PRINT_CAPABILITY( CPU_CAPABILITY_SSE4_2, "SSE4.2" );
 755     PRINT_CAPABILITY( CPU_CAPABILITY_SSE4A,  "SSE4A" );
 756
 757 #elif defined( __powerpc__ ) || defined( __ppc__ ) || defined( __ppc64__ )
 758     if( !var_InheritBool( p_libvlc, "altivec" ) )
 759         cpu_flags &= ~CPU_CAPABILITY_ALTIVEC;
 760
 761     PRINT_CAPABILITY( CPU_CAPABILITY_ALTIVEC, "AltiVec" );
 762
 763 #elif defined( __arm__ )
 764     PRINT_CAPABILITY( CPU_CAPABILITY_NEON, "NEONv1" );
 765
 766 #endif
 767
 768 #if HAVE_FPU
 769     strncat( p_capabilities, "FPU ",
 770              sizeof(p_capabilities) - strlen( p_capabilities) );
 771     p_capabilities[sizeof(p_capabilities) - 1] = '\0';
 772 #endif
 773
 774     if (p_capabilities[0])
 775         msg_Dbg( p_libvlc, "CPU has capabilities %s", p_capabilities );
 776
 777     /*
 778      * Choose the best memcpy module
 779      */
 780     priv->p_memcpy_module = module_need( p_libvlc, "memcpy", "$memcpy", false );
 781     /* Avoid being called "memcpy":*/
 782     vlc_object_set_name( p_libvlc, "main" );
 783
 784     priv->b_stats = var_InheritBool( p_libvlc, "stats" );
 785     priv->i_timers = 0;
 786     priv->pp_timers = NULL;
 787
 788     priv->i_last_input_id = 0; /* Not very safe, should be removed */
 789
 790     /*
 791      * Initialize hotkey handling
 792      */
 793     vlc_InitActions( p_libvlc );
 794
 795     /* Create a variable for showing the fullscreen interface */
 796     var_Create( p_libvlc, "intf-show", VLC_VAR_BOOL );
 797     var_SetBool( p_libvlc, "intf-show", true );
 798
 799     /* Create a variable for showing the right click menu */
 800     var_Create( p_libvlc, "intf-popupmenu", VLC_VAR_BOOL );
 801
 802     /* variables for signalling creation of new files */
 803     var_Create( p_libvlc, "snapshot-file", VLC_VAR_STRING );
 804     var_Create( p_libvlc, "record-file", VLC_VAR_STRING );
 805
 806     /* Initialize playlist and get commandline files */
 807     p_playlist = playlist_Create( VLC_OBJECT(p_libvlc) );
 808     if( !p_playlist )
 809     {
 810         msg_Err( p_libvlc, "playlist initialization failed" );
 811         if( priv->p_memcpy_module != NULL )
 812         {
 813             module_unneed( p_libvlc, priv->p_memcpy_module );
 814         }
 815         module_EndBank( p_libvlc, true );
 816         return VLC_EGENERIC;
 817     }
 818
 819     /* System specific configuration */
 820     system_Configure( p_libvlc, i_argc - vlc_optind, ppsz_argv + vlc_optind );
 821
 822     /* Add service discovery modules */
 823     psz_modules = var_InheritString( p_libvlc, "services-discovery" );
 824     if( psz_modules )
 825     {
 826         char *p = psz_modules, *m;
 827         while( ( m = strsep( &p, " :," ) ) != NULL )
 828             playlist_ServicesDiscoveryAdd( p_playlist, m );
 829         free( psz_modules );
 830     }
 831
 832 #ifdef ENABLE_VLM
 833     /* Initialize VLM if vlm-conf is specified */
 834     psz_parser = var_CreateGetNonEmptyString( p_libvlc, "vlm-conf" );
 835     if( psz_parser )
 836     {
 837         priv->p_vlm = vlm_New( p_libvlc );
 838         if( !priv->p_vlm )
 839             msg_Err( p_libvlc, "VLM initialization failed" );
 840     }
 841     free( psz_parser );
 842 #endif
 843
 844     /*
 845      * Load background interfaces
 846      */
 847     psz_modules = var_CreateGetNonEmptyString( p_libvlc, "extraintf" );
 848     psz_control = var_CreateGetNonEmptyString( p_libvlc, "control" );
 849
 850     if( psz_modules && psz_control )
 851     {
 852         char* psz_tmp;
 853         if( asprintf( &psz_tmp, "%s:%s", psz_modules, psz_control ) != -1 )
 854         {
 855             free( psz_modules );
 856             psz_modules = psz_tmp;
 857         }
 858     }
 859     else if( psz_control )
 860     {
 861         free( psz_modules );
 862         psz_modules = strdup( psz_control );
 863     }
 864
 865     psz_parser = psz_modules;
 866     while ( psz_parser && *psz_parser )
 867     {
 868         char *psz_module, *psz_temp;
 869         psz_module = psz_parser;
 870         psz_parser = strchr( psz_module, ':' );
 871         if ( psz_parser )
 872         {
 873             *psz_parser = '\0';
 874             psz_parser++;
 875         }
 876         if( asprintf( &psz_temp, "%s,none", psz_module ) != -1)
 877         {
 878             intf_Create( p_libvlc, psz_temp );
 879             free( psz_temp );
 880         }
 881     }
 882     free( psz_modules );
 883     free( psz_control );
 884
 885     /*
 886      * Always load the hotkeys interface if it exists
 887      */
 888     intf_Create( p_libvlc, "hotkeys,none" );
 889
 890 #ifdef HAVE_DBUS
 891     /* loads dbus control interface if in one-instance mode
 892      * we do it only when playlist exists, because dbus module needs it */
 893     if( var_InheritBool( p_libvlc, "one-instance" )
 894      || ( var_InheritBool( p_libvlc, "one-instance-when-started-from-file" )
 895        && var_InheritBool( p_libvlc, "started-from-file" ) ) )
 896         intf_Create( p_libvlc, "dbus,none" );
 897
 898 # if !defined (HAVE_MAEMO)
 899     /* Prevents the power management daemon from suspending the system
 900      * when VLC is active */
 901     if( var_InheritBool( p_libvlc, "inhibit" ) > 0 )
 902         intf_Create( p_libvlc, "inhibit,none" );
 903 # endif
 904 #endif
 905
 906     if( var_InheritBool( p_libvlc, "file-logging" ) &&
 907         !var_InheritBool( p_libvlc, "syslog" ) )
 908     {
 909         intf_Create( p_libvlc, "logger,none" );
 910     }
 911 #ifdef HAVE_SYSLOG_H
 912     if( var_InheritBool( p_libvlc, "syslog" ) )
 913     {
 914         char *logmode = var_CreateGetNonEmptyString( p_libvlc, "logmode" );
 915         var_SetString( p_libvlc, "logmode", "syslog" );
 916         intf_Create( p_libvlc, "logger,none" );
 917
 918         if( logmode )
 919         {
 920             var_SetString( p_libvlc, "logmode", logmode );
 921             free( logmode );
 922         }
 923         var_Destroy( p_libvlc, "logmode" );
 924     }
 925 #endif
 926
 927     if( var_InheritBool( p_libvlc, "network-synchronisation") )
 928     {
 929         intf_Create( p_libvlc, "netsync,none" );
 930     }
 931
 932 #ifdef WIN32
 933     if( var_InheritBool( p_libvlc, "prefer-system-codecs") )
 934     {
 935         char *psz_codecs = var_CreateGetNonEmptyString( p_libvlc, "codec" );
 936         if( psz_codecs )
 937         {
 938             char *psz_morecodecs;
 939             if( asprintf(&psz_morecodecs, "%s,dmo,quicktime", psz_codecs) != -1 )
 940             {
 941                 var_SetString( p_libvlc, "codec", psz_morecodecs);
 942                 free( psz_morecodecs );
 943             }
 944             free( psz_codecs );
 945         }
 946         else
 947             var_SetString( p_libvlc, "codec", "dmo,quicktime");
 948     }
 949 #endif
 950
 951     var_Create( p_libvlc, "drawable-view-top", VLC_VAR_INTEGER );
 952     var_Create( p_libvlc, "drawable-view-left", VLC_VAR_INTEGER );
 953     var_Create( p_libvlc, "drawable-view-bottom", VLC_VAR_INTEGER );
 954     var_Create( p_libvlc, "drawable-view-right", VLC_VAR_INTEGER );
 955     var_Create( p_libvlc, "drawable-clip-top", VLC_VAR_INTEGER );
 956     var_Create( p_libvlc, "drawable-clip-left", VLC_VAR_INTEGER );
 957     var_Create( p_libvlc, "drawable-clip-bottom", VLC_VAR_INTEGER );
 958     var_Create( p_libvlc, "drawable-clip-right", VLC_VAR_INTEGER );
 959 #ifdef WIN32
 960     var_Create( p_libvlc, "drawable-hwnd", VLC_VAR_ADDRESS );
 961 #endif
 962
 963     /*
 964      * Get input filenames given as commandline arguments.
 965      * We assume that the remaining parameters are filenames
 966      * and their input options.
 967      */
 968     GetFilenames( p_libvlc, i_argc - vlc_optind, ppsz_argv + vlc_optind );
 969
 970     /*
 971      * Get --open argument
 972      */
 973     psz_val = var_InheritString( p_libvlc, "open" );
 974     if ( psz_val != NULL )
 975     {
 976         playlist_AddExt( p_playlist, psz_val, NULL, PLAYLIST_INSERT, 0,
 977                          -1, 0, NULL, 0, true, pl_Unlocked );
 978         free( psz_val );
 979     }
 980
 981     return VLC_SUCCESS;
 982 }
 983
 984 /**
 985  * Cleanup a libvlc instance. The instance is not completely deallocated
 986  * \param p_libvlc the instance to clean
 987  */
 988 void libvlc_InternalCleanup( libvlc_int_t *p_libvlc )
 989 {
 990     libvlc_priv_t *priv = libvlc_priv (p_libvlc);
 991     playlist_t    *p_playlist = libvlc_priv (p_libvlc)->p_playlist;
 992
 993     /* Deactivate the playlist */
 994     msg_Dbg( p_libvlc, "deactivating the playlist" );
 995     pl_Deactivate( p_libvlc );
 996
 997     /* Remove all services discovery */
 998     msg_Dbg( p_libvlc, "removing all services discovery tasks" );
 999     playlist_ServicesDiscoveryKillAll( p_playlist );
1000
1001     /* Ask the interfaces to stop and destroy them */
1002     msg_Dbg( p_libvlc, "removing all interfaces" );
1003     libvlc_Quit( p_libvlc );
1004     intf_DestroyAll( p_libvlc );
1005
1006 #ifdef ENABLE_VLM
1007     /* Destroy VLM if created in libvlc_InternalInit */
1008     if( priv->p_vlm )
1009     {
1010         vlm_Delete( priv->p_vlm );
1011     }
1012 #endif
1013
1014     /* Free playlist now, all threads are gone */
1015     playlist_Destroy( p_playlist );
1016
1017     stats_TimersDumpAll( p_libvlc );
1018     stats_TimersCleanAll( p_libvlc );
1019
1020     msg_Dbg( p_libvlc, "removing stats" );
1021
1022 #ifndef WIN32
1023     char* psz_pidfile = NULL;
1024
1025     if( b_daemon )
1026     {
1027         psz_pidfile = var_CreateGetNonEmptyString( p_libvlc, "pidfile" );
1028         if( psz_pidfile != NULL )
1029         {
1030             msg_Dbg( p_libvlc, "removing pid file %s", psz_pidfile );
1031             if( unlink( psz_pidfile ) == -1 )
1032             {
1033                 msg_Dbg( p_libvlc, "removing pid file %s: %m",
1034                         psz_pidfile );
1035             }
1036         }
1037         free( psz_pidfile );
1038     }
1039 #endif
1040
1041     if( priv->p_memcpy_module )
1042     {
1043         module_unneed( p_libvlc, priv->p_memcpy_module );
1044         priv->p_memcpy_module = NULL;
1045     }
1046
1047     /* Free module bank. It is refcounted, so we call this each time  */
1048     module_EndBank( p_libvlc, true );
1049
1050     vlc_DeinitActions( p_libvlc );
1051 }
1052
1053 /**
1054  * Destroy everything.
1055  * This function requests the running threads to finish, waits for their
1056  * termination, and destroys their structure.
1057  * It stops the thread systems: no instance can run after this has run
1058  * \param p_libvlc the instance to destroy
1059  */
1060 void libvlc_InternalDestroy( libvlc_int_t *p_libvlc )
1061 {
1062     libvlc_priv_t *priv = libvlc_priv( p_libvlc );
1063
1064     vlc_mutex_lock( &global_lock );
1065     i_instances--;
1066
1067     if( i_instances == 0 )
1068     {
1069         /* System specific cleaning code */
1070         system_End( p_libvlc );
1071     }
1072     vlc_mutex_unlock( &global_lock );
1073
1074     msg_Destroy (priv->msg_bank);
1075
1076     /* Destroy mutexes */
1077     vlc_ExitDestroy( &priv->exit );
1078     vlc_mutex_destroy( &priv->timer_lock );
1079
1080 #ifndef NDEBUG /* Hack to dump leaked objects tree */
1081     if( vlc_internals( p_libvlc )->i_refcount > 1 )
1082         while( vlc_internals( p_libvlc )->i_refcount > 0 )
1083             vlc_object_release( p_libvlc );
1084 #endif
1085
1086     assert( vlc_internals( p_libvlc )->i_refcount == 1 );
1087     vlc_object_release( p_libvlc );
1088 }
1089
1090 /**
1091  * Add an interface plugin and run it
1092  */
1093 int libvlc_InternalAddIntf( libvlc_int_t *p_libvlc, char const *psz_module )
1094 {
1095     if( !p_libvlc )
1096         return VLC_EGENERIC;
1097
1098     if( !psz_module ) /* requesting the default interface */
1099     {
1100         char *psz_interface = var_CreateGetNonEmptyString( p_libvlc, "intf" );
1101         if( !psz_interface ) /* "intf" has not been set */
1102         {
1103 #ifndef WIN32
1104             if( b_daemon )
1105                  /* Daemon mode hack.
1106                   * We prefer the dummy interface if none is specified. */
1107                 psz_module = "dummy";
1108             else
1109 #endif
1110                 msg_Info( p_libvlc, "%s",
1111                           _("Running vlc with the default interface. "
1112                             "Use 'cvlc' to use vlc without interface.") );
1113         }
1114         free( psz_interface );
1115         var_Destroy( p_libvlc, "intf" );
1116     }
1117
1118     /* Try to create the interface */
1119     int ret = intf_Create( p_libvlc, psz_module ? psz_module : "$intf" );
1120     if( ret )
1121         msg_Err( p_libvlc, "interface \"%s\" initialization failed",
1122                  psz_module ? psz_module : "default" );
1123     return ret;
1124 }
1125
1126 #if defined( ENABLE_NLS ) && (defined (__APPLE__) || defined (WIN32)) && \
1127     ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
1128 /*****************************************************************************
1129  * SetLanguage: set the interface language.
1130  *****************************************************************************
1131  * We set the LC_MESSAGES locale category for interface messages and buttons,
1132  * as well as the LC_CTYPE category for string sorting and possible wide
1133  * character support.
1134  *****************************************************************************/
1135 static void SetLanguage ( const char *psz_lang )
1136 {
1137 #ifdef __APPLE__
1138     /* I need that under Darwin, please check it doesn't disturb
1139      * other platforms. --Meuuh */
1140     setenv( "LANG", psz_lang, 1 );
1141
1142 #else
1143     /* We set LC_ALL manually because it is the only way to set
1144      * the language at runtime under eg. Windows. Beware that this
1145      * makes the environment unconsistent when libvlc is unloaded and
1146      * should probably be moved to a safer place like vlc.c. */
1147     static char psz_lcall[20];
1148     snprintf( psz_lcall, sizeof(psz_lcall), "LC_ALL=%s", psz_lang );
1149     putenv( psz_lcall );
1150 #endif
1151
1152     setlocale( LC_ALL, psz_lang );
1153 }
1154 #endif
1155
1156 /*****************************************************************************
1157  * GetFilenames: parse command line options which are not flags
1158  *****************************************************************************
1159  * Parse command line for input files as well as their associated options.
1160  * An option always follows its associated input and begins with a ":".
1161  *****************************************************************************/
1162 static void GetFilenames( libvlc_int_t *p_vlc, unsigned n,
1163                           const char *const args[] )
1164 {
1165     while( n > 0 )
1166     {
1167         /* Count the input options */
1168         unsigned i_options = 0;
1169
1170         while( args[--n][0] == ':' )
1171         {
1172             i_options++;
1173             if( n == 0 )
1174             {
1175                 msg_Warn( p_vlc, "options %s without item", args[n] );
1176                 return; /* syntax!? */
1177             }
1178         }
1179
1180         /* TODO: write an internal function of this one, to avoid
1181          *       unnecessary lookups. */
1182         char *mrl = make_URI( args[n] );
1183         if( !mrl )
1184             continue;
1185
1186         playlist_AddExt( pl_Get( p_vlc ), mrl, NULL, PLAYLIST_INSERT,
1187                 0, -1, i_options, ( i_options ? &args[n + 1] : NULL ),
1188                 VLC_INPUT_OPTION_TRUSTED, true, pl_Unlocked );
1189         free( mrl );
1190     }
1191 }
1192
1193 /*****************************************************************************
1194  * Help: print program help
1195  *****************************************************************************
1196  * Print a short inline help. Message interface is initialized at this stage.
1197  *****************************************************************************/
1198 static inline void print_help_on_full_help( void )
1199 {
1200     utf8_fprintf( stdout, "\n" );
1201     utf8_fprintf( stdout, "%s\n", _("To get exhaustive help, use '-H'.") );
1202 }
1203
1204 static const char vlc_usage[] = N_(
1205                             "Usage: %s [options] [stream] ..."
1206                             "\nYou can specify multiple streams on the commandline. They will be enqueued in the playlist."
1207                             "\nThe first item specified will be played first."
1208                             "\n"
1209                             "\nOptions-styles:"
1210                             "\n  --option  A global option that is set for the duration of the program."
1211                             "\n   -option  A single letter version of a global --option."
1212                             "\n   :option  An option that only applies to the stream directly before it"
1213                             "\n            and that overrides previous settings."
1214                             "\n"
1215                             "\nStream MRL syntax:"
1216                             "\n  [[access][/demux]://]URL[@[title][:chapter][-[title][:chapter]]] [:option=value ...]"
1217                             "\n"
1218                             "\n  Many of the global --options can also be used as MRL specific :options."
1219                             "\n  Multiple :option=value pairs can be specified."
1220                             "\n"
1221                             "\nURL syntax:"
1222                             "\n  [file://]filename              Plain media file"
1223                             "\n  http://ip:port/file            HTTP URL"
1224                             "\n  ftp://ip:port/file             FTP URL"
1225                             "\n  mms://ip:port/file             MMS URL"
1226                             "\n  screen://                      Screen capture"
1227                             "\n  [dvd://][device][@raw_device]  DVD device"
1228                             "\n  [vcd://][device]               VCD device"
1229                             "\n  [cdda://][device]              Audio CD device"
1230                             "\n  udp://[[<source address>]@[<bind address>][:<bind port>]]"
1231                             "\n                                 UDP stream sent by a streaming server"
1232                             "\n  vlc://pause:<seconds>          Special item to pause the playlist for a certain time"
1233                             "\n  vlc://quit                     Special item to quit VLC"
1234                             "\n");
1235
1236 static void Help( libvlc_int_t *p_this, char const *psz_help_name )
1237 {
1238 #ifdef WIN32
1239     ShowConsole( true );
1240 #endif
1241
1242     if( psz_help_name && !strcmp( psz_help_name, "help" ) )
1243     {
1244         utf8_fprintf( stdout, vlc_usage, "vlc" );
1245         Usage( p_this, "=help" );
1246         Usage( p_this, "=main" );
1247         print_help_on_full_help();
1248     }
1249     else if( psz_help_name && !strcmp( psz_help_name, "longhelp" ) )
1250     {
1251         utf8_fprintf( stdout, vlc_usage, "vlc" );
1252         Usage( p_this, NULL );
1253         print_help_on_full_help();
1254     }
1255     else if( psz_help_name && !strcmp( psz_help_name, "full-help" ) )
1256     {
1257         utf8_fprintf( stdout, vlc_usage, "vlc" );
1258         Usage( p_this, NULL );
1259     }
1260     else if( psz_help_name )
1261     {
1262         Usage( p_this, psz_help_name );
1263     }
1264
1265 #ifdef WIN32        /* Pause the console because it's destroyed when we exit */
1266     PauseConsole();
1267 #endif
1268 }
1269
1270 /*****************************************************************************
1271  * Usage: print module usage
1272  *****************************************************************************
1273  * Print a short inline help. Message interface is initialized at this stage.
1274  *****************************************************************************/
1275 #   define COL(x)  "\033[" #x ";1m"
1276 #   define RED     COL(31)
1277 #   define GREEN   COL(32)
1278 #   define YELLOW  COL(33)
1279 #   define BLUE    COL(34)
1280 #   define MAGENTA COL(35)
1281 #   define CYAN    COL(36)
1282 #   define WHITE   COL(0)
1283 #   define GRAY    "\033[0m"
1284 static void
1285 print_help_section( const module_t *m, const module_config_t *p_item,
1286                     bool b_color, bool b_description )
1287 {
1288     if( !p_item ) return;
1289     if( b_color )
1290     {
1291         utf8_fprintf( stdout, RED"   %s:\n"GRAY,
1292                       module_gettext( m, p_item->psz_text ) );
1293         if( b_description && p_item->psz_longtext && *p_item->psz_longtext )
1294             utf8_fprintf( stdout, MAGENTA"   %s\n"GRAY,
1295                           module_gettext( m, p_item->psz_longtext ) );
1296     }
1297     else
1298     {
1299         utf8_fprintf( stdout, "   %s:\n",
1300                       module_gettext( m, p_item->psz_text ) );
1301         if( b_description && p_item->psz_longtext && *p_item->psz_longtext )
1302             utf8_fprintf( stdout, "   %s\n",
1303                           module_gettext(m, p_item->psz_longtext ) );
1304     }
1305 }
1306
1307 static void Usage( libvlc_int_t *p_this, char const *psz_search )
1308 {
1309 #define FORMAT_STRING "  %s --%s%s%s%s%s%s%s "
1310     /* short option ------'    | | | | | | |
1311      * option name ------------' | | | | | |
1312      * <bra ---------------------' | | | | |
1313      * option type or "" ----------' | | | |
1314      * ket> -------------------------' | | |
1315      * padding spaces -----------------' | |
1316      * comment --------------------------' |
1317      * comment suffix ---------------------'
1318      *
1319      * The purpose of having bra and ket is that we might i18n them as well.
1320      */
1321
1322 #define COLOR_FORMAT_STRING (WHITE"  %s --%s"YELLOW"%s%s%s%s%s%s "GRAY)
1323 #define COLOR_FORMAT_STRING_BOOL (WHITE"  %s --%s%s%s%s%s%s%s "GRAY)
1324
1325 #define LINE_START 8
1326 #define PADDING_SPACES 25
1327 #ifdef WIN32
1328 #   define OPTION_VALUE_SEP "="
1329 #else
1330 #   define OPTION_VALUE_SEP " "
1331 #endif
1332     char psz_spaces_text[PADDING_SPACES+LINE_START+1];
1333     char psz_spaces_longtext[LINE_START+3];
1334     char psz_format[sizeof(COLOR_FORMAT_STRING)];
1335     char psz_format_bool[sizeof(COLOR_FORMAT_STRING_BOOL)];
1336     char psz_buffer[10000];
1337     char psz_short[4];
1338     int i_width = ConsoleWidth() - (PADDING_SPACES+LINE_START+1);
1339     int i_width_description = i_width + PADDING_SPACES - 1;
1340     bool b_advanced    = var_InheritBool( p_this, "advanced" );
1341     bool b_description = var_InheritBool( p_this, "help-verbose" );
1342     bool b_description_hack;
1343     bool b_color       = var_InheritBool( p_this, "color" );
1344     bool b_has_advanced = false;
1345     bool b_found       = false;
1346     int  i_only_advanced = 0; /* Number of modules ignored because they
1347                                * only have advanced options */
1348     bool b_strict = psz_search && *psz_search == '=';
1349     if( b_strict ) psz_search++;
1350
1351     memset( psz_spaces_text, ' ', PADDING_SPACES+LINE_START );
1352     psz_spaces_text[PADDING_SPACES+LINE_START] = '\0';
1353     memset( psz_spaces_longtext, ' ', LINE_START+2 );
1354     psz_spaces_longtext[LINE_START+2] = '\0';
1355 #ifndef WIN32
1356     if( !isatty( 1 ) )
1357 #endif
1358         b_color = false; // don't put color control codes in a .txt file
1359
1360     if( b_color )
1361     {
1362         strcpy( psz_format, COLOR_FORMAT_STRING );
1363         strcpy( psz_format_bool, COLOR_FORMAT_STRING_BOOL );
1364     }
1365     else
1366     {
1367         strcpy( psz_format, FORMAT_STRING );
1368         strcpy( psz_format_bool, FORMAT_STRING );
1369     }
1370
1371     /* List all modules */
1372     module_t **list = module_list_get (NULL);
1373     if (!list)
1374         return;
1375
1376     /* Ugly hack to make sure that the help options always come first
1377      * (part 1) */
1378     if( !psz_search )
1379         Usage( p_this, "help" );
1380
1381     /* Enumerate the config for each module */
1382     for (size_t i = 0; list[i]; i++)
1383     {
1384         bool b_help_module;
1385         module_t *p_parser = list[i];
1386         module_config_t *p_item = NULL;
1387         module_config_t *p_section = NULL;
1388         module_config_t *p_end = p_parser->p_config + p_parser->confsize;
1389
1390         if( psz_search &&
1391             ( b_strict ? strcmp( psz_search, p_parser->psz_object_name )
1392                        : !strstr( p_parser->psz_object_name, psz_search ) ) )
1393         {
1394             char *const *pp_shortcuts = p_parser->pp_shortcuts;
1395             unsigned i;
1396             for( i = 0; i < p_parser->i_shortcuts; i++ )
1397             {
1398                 if( b_strict ? !strcmp( psz_search, pp_shortcuts[i] )
1399                              : !!strstr( pp_shortcuts[i], psz_search ) )
1400                     break;
1401             }
1402             if( i == p_parser->i_shortcuts )
1403                 continue;
1404         }
1405
1406         /* Ignore modules without config options */
1407         if( !p_parser->i_config_items )
1408         {
1409             continue;
1410         }
1411
1412         b_help_module = !strcmp( "help", p_parser->psz_object_name );
1413         /* Ugly hack to make sure that the help options always come first
1414          * (part 2) */
1415         if( !psz_search && b_help_module )
1416             continue;
1417
1418         /* Ignore modules with only advanced config options if requested */
1419         if( !b_advanced )
1420         {
1421             for( p_item = p_parser->p_config;
1422                  p_item < p_end;
1423                  p_item++ )
1424             {
1425                 if( (p_item->i_type & CONFIG_ITEM) &&
1426                     !p_item->b_advanced && !p_item->b_removed ) break;
1427             }
1428
1429             if( p_item == p_end )
1430             {
1431                 i_only_advanced++;
1432                 continue;
1433             }
1434         }
1435
1436         b_found = true;
1437
1438         /* Print name of module */
1439         if( strcmp( "main", p_parser->psz_object_name ) )
1440         {
1441             if( b_color )
1442                 utf8_fprintf( stdout, "\n " GREEN "%s" GRAY " (%s)\n",
1443                               module_gettext( p_parser, p_parser->psz_longname ),
1444                               p_parser->psz_object_name );
1445             else
1446                 utf8_fprintf( stdout, "\n %s\n",
1447                               module_gettext(p_parser, p_parser->psz_longname ) );
1448         }
1449         if( p_parser->psz_help )
1450         {
1451             if( b_color )
1452                 utf8_fprintf( stdout, CYAN" %s\n"GRAY,
1453                               module_gettext( p_parser, p_parser->psz_help ) );
1454             else
1455                 utf8_fprintf( stdout, " %s\n",
1456                               module_gettext( p_parser, p_parser->psz_help ) );
1457         }
1458
1459         /* Print module options */
1460         for( p_item = p_parser->p_config;
1461              p_item < p_end;
1462              p_item++ )
1463         {
1464             char *psz_text, *psz_spaces = psz_spaces_text;
1465             const char *psz_bra = NULL, *psz_type = NULL, *psz_ket = NULL;
1466             const char *psz_suf = "", *psz_prefix = NULL;
1467             signed int i;
1468             size_t i_cur_width;
1469
1470             /* Skip removed options */
1471             if( p_item->b_removed )
1472             {
1473                 continue;
1474             }
1475             /* Skip advanced options if requested */
1476             if( p_item->b_advanced && !b_advanced )
1477             {
1478                 b_has_advanced = true;
1479                 continue;
1480             }
1481
1482             switch( p_item->i_type )
1483             {
1484             case CONFIG_HINT_CATEGORY:
1485             case CONFIG_HINT_USAGE:
1486                 if( !strcmp( "main", p_parser->psz_object_name ) )
1487                 {
1488                     if( b_color )
1489                         utf8_fprintf( stdout, GREEN "\n %s\n" GRAY,
1490                                       module_gettext( p_parser, p_item->psz_text ) );
1491                     else
1492                         utf8_fprintf( stdout, "\n %s\n",
1493                                       module_gettext( p_parser, p_item->psz_text ) );
1494                 }
1495                 if( b_description && p_item->psz_longtext
1496                  && *p_item->psz_longtext )
1497                 {
1498                     if( b_color )
1499                         utf8_fprintf( stdout, CYAN " %s\n" GRAY,
1500                                       module_gettext( p_parser, p_item->psz_longtext ) );
1501                     else
1502                         utf8_fprintf( stdout, " %s\n",
1503                                       module_gettext( p_parser, p_item->psz_longtext ) );
1504                 }
1505                 break;
1506
1507             case CONFIG_HINT_SUBCATEGORY:
1508                 if( strcmp( "main", p_parser->psz_object_name ) )
1509                     break;
1510             case CONFIG_SECTION:
1511                 p_section = p_item;
1512                 break;
1513
1514             case CONFIG_ITEM_STRING:
1515             case CONFIG_ITEM_FILE:
1516             case CONFIG_ITEM_DIRECTORY:
1517             case CONFIG_ITEM_MODULE: /* We could also have "=<" here */
1518             case CONFIG_ITEM_MODULE_CAT:
1519             case CONFIG_ITEM_MODULE_LIST:
1520             case CONFIG_ITEM_MODULE_LIST_CAT:
1521             case CONFIG_ITEM_FONT:
1522             case CONFIG_ITEM_PASSWORD:
1523                 print_help_section( p_parser, p_section, b_color,
1524                                     b_description );
1525                 p_section = NULL;
1526                 psz_bra = OPTION_VALUE_SEP "<";
1527                 psz_type = _("string");
1528                 psz_ket = ">";
1529
1530                 if( p_item->ppsz_list )
1531                 {
1532                     psz_bra = OPTION_VALUE_SEP "{";
1533                     psz_type = psz_buffer;
1534                     psz_buffer[0] = '\0';
1535                     for( i = 0; p_item->ppsz_list[i]; i++ )
1536                     {
1537                         if( i ) strcat( psz_buffer, "," );
1538                         strcat( psz_buffer, p_item->ppsz_list[i] );
1539                     }
1540                     psz_ket = "}";
1541                 }
1542                 break;
1543             case CONFIG_ITEM_INTEGER:
1544             case CONFIG_ITEM_KEY: /* FIXME: do something a bit more clever */
1545                 print_help_section( p_parser, p_section, b_color,
1546                                     b_description );
1547                 p_section = NULL;
1548                 psz_bra = OPTION_VALUE_SEP "<";
1549                 psz_type = _("integer");
1550                 psz_ket = ">";
1551
1552                 if( p_item->min.i || p_item->max.i )
1553                 {
1554                     sprintf( psz_buffer, "%s [%i .. %i]", psz_type,
1555                              p_item->min.i, p_item->max.i );
1556                     psz_type = psz_buffer;
1557                 }
1558
1559                 if( p_item->i_list )
1560                 {
1561                     psz_bra = OPTION_VALUE_SEP "{";
1562                     psz_type = psz_buffer;
1563                     psz_buffer[0] = '\0';
1564                     for( i = 0; p_item->ppsz_list_text[i]; i++ )
1565                     {
1566                         if( i ) strcat( psz_buffer, ", " );
1567                         sprintf( psz_buffer + strlen(psz_buffer), "%i (%s)",
1568                                  p_item->pi_list[i],
1569                                  module_gettext( p_parser, p_item->ppsz_list_text[i] ) );
1570                     }
1571                     psz_ket = "}";
1572                 }
1573                 break;
1574             case CONFIG_ITEM_FLOAT:
1575                 print_help_section( p_parser, p_section, b_color,
1576                                     b_description );
1577                 p_section = NULL;
1578                 psz_bra = OPTION_VALUE_SEP "<";
1579                 psz_type = _("float");
1580                 psz_ket = ">";
1581                 if( p_item->min.f || p_item->max.f )
1582                 {
1583                     sprintf( psz_buffer, "%s [%f .. %f]", psz_type,
1584                              p_item->min.f, p_item->max.f );
1585                     psz_type = psz_buffer;
1586                 }
1587                 break;
1588             case CONFIG_ITEM_BOOL:
1589                 print_help_section( p_parser, p_section, b_color,
1590                                     b_description );
1591                 p_section = NULL;
1592                 psz_bra = ""; psz_type = ""; psz_ket = "";
1593                 if( !b_help_module )
1594                 {
1595                     psz_suf = p_item->value.i ? _(" (default enabled)") :
1596                                                 _(" (default disabled)");
1597                 }
1598                 break;
1599             }
1600
1601             if( !psz_type )
1602             {
1603                 continue;
1604             }
1605
1606             /* Add short option if any */
1607             if( p_item->i_short )
1608             {
1609                 sprintf( psz_short, "-%c,", p_item->i_short );
1610             }
1611             else
1612             {
1613                 strcpy( psz_short, "   " );
1614             }
1615
1616             i = PADDING_SPACES - strlen( p_item->psz_name )
1617                  - strlen( psz_bra ) - strlen( psz_type )
1618                  - strlen( psz_ket ) - 1;
1619
1620             if( p_item->i_type == CONFIG_ITEM_BOOL && !b_help_module )
1621             {
1622                 psz_prefix =  ", --no-";
1623                 i -= strlen( p_item->psz_name ) + strlen( psz_prefix );
1624             }
1625
1626             if( i < 0 )
1627             {
1628                 psz_spaces[0] = '\n';
1629                 i = 0;
1630             }
1631             else
1632             {
1633                 psz_spaces[i] = '\0';
1634             }
1635
1636             if( p_item->i_type == CONFIG_ITEM_BOOL && !b_help_module )
1637             {
1638                 utf8_fprintf( stdout, psz_format_bool, psz_short,
1639                               p_item->psz_name, psz_prefix, p_item->psz_name,
1640                               psz_bra, psz_type, psz_ket, psz_spaces );
1641             }
1642             else
1643             {
1644                 utf8_fprintf( stdout, psz_format, psz_short, p_item->psz_name,
1645                          "", "", psz_bra, psz_type, psz_ket, psz_spaces );
1646             }
1647
1648             psz_spaces[i] = ' ';
1649
1650             /* We wrap the rest of the output */
1651             sprintf( psz_buffer, "%s%s", module_gettext( p_parser, p_item->psz_text ),
1652                      psz_suf );
1653             b_description_hack = b_description;
1654
1655  description:
1656             psz_text = psz_buffer;
1657             i_cur_width = b_description && !b_description_hack
1658                           ? i_width_description
1659                           : i_width;
1660             while( *psz_text )
1661             {
1662                 char *psz_parser, *psz_word;
1663                 size_t i_end = strlen( psz_text );
1664
1665                 /* If the remaining text fits in a line, print it. */
1666                 if( i_end <= i_cur_width )
1667                 {
1668                     if( b_color )
1669                     {
1670                         if( !b_description || b_description_hack )
1671                             utf8_fprintf( stdout, BLUE"%s\n"GRAY, psz_text );
1672                         else
1673                             utf8_fprintf( stdout, "%s\n", psz_text );
1674                     }
1675                     else
1676                     {
1677                         utf8_fprintf( stdout, "%s\n", psz_text );
1678                     }
1679                     break;
1680                 }
1681
1682                 /* Otherwise, eat as many words as possible */
1683                 psz_parser = psz_text;
1684                 do
1685                 {
1686                     psz_word = psz_parser;
1687                     psz_parser = strchr( psz_word, ' ' );
1688                     /* If no space was found, we reached the end of the text
1689                      * block; otherwise, we skip the space we just found. */
1690                     psz_parser = psz_parser ? psz_parser + 1
1691                                             : psz_text + i_end;
1692
1693                 } while( (size_t)(psz_parser - psz_text) <= i_cur_width );
1694
1695                 /* We cut a word in one of these cases:
1696                  *  - it's the only word in the line and it's too long.
1697                  *  - we used less than 80% of the width and the word we are
1698                  *    going to wrap is longer than 40% of the width, and even
1699                  *    if the word would have fit in the next line. */
1700                 if( psz_word == psz_text
1701              || ( (size_t)(psz_word - psz_text) < 80 * i_cur_width / 100
1702              && (size_t)(psz_parser - psz_word) > 40 * i_cur_width / 100 ) )
1703                 {
1704                     char c = psz_text[i_cur_width];
1705                     psz_text[i_cur_width] = '\0';
1706                     if( b_color )
1707                     {
1708                         if( !b_description || b_description_hack )
1709                             utf8_fprintf( stdout, BLUE"%s\n%s"GRAY,
1710                                           psz_text, psz_spaces );
1711                         else
1712                             utf8_fprintf( stdout, "%s\n%s",
1713                                           psz_text, psz_spaces );
1714                     }
1715                     else
1716                     {
1717                         utf8_fprintf( stdout, "%s\n%s", psz_text, psz_spaces );
1718                     }
1719                     psz_text += i_cur_width;
1720                     psz_text[0] = c;
1721                 }
1722                 else
1723                 {
1724                     psz_word[-1] = '\0';
1725                     if( b_color )
1726                     {
1727                         if( !b_description || b_description_hack )
1728                             utf8_fprintf( stdout, BLUE"%s\n%s"GRAY,
1729                                           psz_text, psz_spaces );
1730                         else
1731                             utf8_fprintf( stdout, "%s\n%s",
1732                                           psz_text, psz_spaces );
1733                     }
1734                     else
1735                     {
1736                         utf8_fprintf( stdout, "%s\n%s", psz_text, psz_spaces );
1737                     }
1738                     psz_text = psz_word;
1739                 }
1740             }
1741
1742             if( b_description_hack && p_item->psz_longtext
1743              && *p_item->psz_longtext )
1744             {
1745                 sprintf( psz_buffer, "%s%s",
1746                          module_gettext( p_parser, p_item->psz_longtext ),
1747                          psz_suf );
1748                 b_description_hack = false;
1749                 psz_spaces = psz_spaces_longtext;
1750                 utf8_fprintf( stdout, "%s", psz_spaces );
1751                 goto description;
1752             }
1753         }
1754     }
1755
1756     if( b_has_advanced )
1757     {
1758         if( b_color )
1759             utf8_fprintf( stdout, "\n" WHITE "%s" GRAY " %s\n", _( "Note:" ),
1760            _( "add --advanced to your command line to see advanced options."));
1761         else
1762             utf8_fprintf( stdout, "\n%s %s\n", _( "Note:" ),
1763            _( "add --advanced to your command line to see advanced options."));
1764     }
1765
1766     if( i_only_advanced > 0 )
1767     {
1768         if( b_color )
1769         {
1770             utf8_fprintf( stdout, "\n" WHITE "%s" GRAY " ", _( "Note:" ) );
1771             utf8_fprintf( stdout, _( "%d module(s) were not displayed because they only have advanced options.\n" ), i_only_advanced );
1772         }
1773         else
1774         {
1775             utf8_fprintf( stdout, "\n%s ", _( "Note:" ) );
1776             utf8_fprintf( stdout, _( "%d module(s) were not displayed because they only have advanced options.\n" ), i_only_advanced );
1777         }
1778     }
1779     else if( !b_found )
1780     {
1781         if( b_color )
1782             utf8_fprintf( stdout, "\n" WHITE "%s" GRAY "\n",
1783                        _( "No matching module found. Use --list or " \
1784                           "--list-verbose to list available modules." ) );
1785         else
1786             utf8_fprintf( stdout, "\n%s\n",
1787                        _( "No matching module found. Use --list or " \
1788                           "--list-verbose to list available modules." ) );
1789     }
1790
1791     /* Release the module list */
1792     module_list_free (list);
1793 }
1794
1795 /*****************************************************************************
1796  * ListModules: list the available modules with their description
1797  *****************************************************************************
1798  * Print a list of all available modules (builtins and plugins) and a short
1799  * description for each one.
1800  *****************************************************************************/
1801 static void ListModules( libvlc_int_t *p_this, bool b_verbose )
1802 {
1803     module_t *p_parser;
1804
1805     bool b_color = var_InheritBool( p_this, "color" );
1806
1807 #ifdef WIN32
1808     ShowConsole( true );
1809     b_color = false; // don't put color control codes in a .txt file
1810 #else
1811     if( !isatty( 1 ) )
1812         b_color = false;
1813 #endif
1814
1815     /* List all modules */
1816     module_t **list = module_list_get (NULL);
1817
1818     /* Enumerate each module */
1819     for (size_t j = 0; (p_parser = list[j]) != NULL; j++)
1820     {
1821         if( b_color )
1822             utf8_fprintf( stdout, GREEN"  %-22s "WHITE"%s\n"GRAY,
1823                           p_parser->psz_object_name,
1824                           module_gettext( p_parser, p_parser->psz_longname ) );
1825         else
1826             utf8_fprintf( stdout, "  %-22s %s\n",
1827                           p_parser->psz_object_name,
1828                           module_gettext( p_parser, p_parser->psz_longname ) );
1829
1830         if( b_verbose )
1831         {
1832             char *const *pp_shortcuts = p_parser->pp_shortcuts;
1833             for( unsigned i = 0; i < p_parser->i_shortcuts; i++ )
1834             {
1835                 if( strcmp( pp_shortcuts[i], p_parser->psz_object_name ) )
1836                 {
1837                     if( b_color )
1838                         utf8_fprintf( stdout, CYAN"   s %s\n"GRAY,
1839                                       pp_shortcuts[i] );
1840                     else
1841                         utf8_fprintf( stdout, "   s %s\n",
1842                                       pp_shortcuts[i] );
1843                 }
1844             }
1845             if( p_parser->psz_capability )
1846             {
1847                 if( b_color )
1848                     utf8_fprintf( stdout, MAGENTA"   c %s (%d)\n"GRAY,
1849                                   p_parser->psz_capability,
1850                                   p_parser->i_score );
1851                 else
1852                     utf8_fprintf( stdout, "   c %s (%d)\n",
1853                                   p_parser->psz_capability,
1854                                   p_parser->i_score );
1855             }
1856         }
1857     }
1858     module_list_free (list);
1859
1860 #ifdef WIN32        /* Pause the console because it's destroyed when we exit */
1861     PauseConsole();
1862 #endif
1863 }
1864
1865 /*****************************************************************************
1866  * Version: print complete program version
1867  *****************************************************************************
1868  * Print complete program version and build number.
1869  *****************************************************************************/
1870 static void Version( void )
1871 {
1872 #ifdef WIN32
1873     ShowConsole( true );
1874 #endif
1875
1876     utf8_fprintf( stdout, _("VLC version %s (%s)\n"), VLC_Version(),
1877                   psz_vlc_changeset );
1878     utf8_fprintf( stdout, _("Compiled by %s on %s (%s)\n"),
1879              VLC_CompileBy(), VLC_CompileHost(), __DATE__" "__TIME__ );
1880     utf8_fprintf( stdout, _("Compiler: %s\n"), VLC_Compiler() );
1881     utf8_fprintf( stdout, "%s", LICENSE_MSG );
1882
1883 #ifdef WIN32        /* Pause the console because it's destroyed when we exit */
1884     PauseConsole();
1885 #endif
1886 }
1887
1888 /*****************************************************************************
1889  * ShowConsole: On Win32, create an output console for debug messages
1890  *****************************************************************************
1891  * This function is useful only on Win32.
1892  *****************************************************************************/
1893 #ifdef WIN32 /*  */
1894 static void ShowConsole( bool b_dofile )
1895 {
1896 #   ifndef UNDER_CE
1897     FILE *f_help = NULL;
1898
1899     if( getenv( "PWD" ) && getenv( "PS1" ) ) return; /* cygwin shell */
1900
1901     AllocConsole();
1902     /* Use the ANSI code page (e.g. Windows-1252) as expected by the LibVLC
1903      * Unicode/locale subsystem. By default, we have the obsolecent OEM code
1904      * page (e.g. CP437 or CP850). */
1905     SetConsoleOutputCP (GetACP ());
1906     SetConsoleTitle ("VLC media player version "PACKAGE_VERSION);
1907
1908     freopen( "CONOUT$", "w", stderr );
1909     freopen( "CONIN$", "r", stdin );
1910
1911     if( b_dofile && (f_help = fopen( "vlc-help.txt", "wt" )) )
1912     {
1913         fclose( f_help );
1914         freopen( "vlc-help.txt", "wt", stdout );
1915         utf8_fprintf( stderr, _("\nDumped content to vlc-help.txt file.\n") );
1916     }
1917     else freopen( "CONOUT$", "w", stdout );
1918
1919 #   endif
1920 }
1921 #endif
1922
1923 /*****************************************************************************
1924  * PauseConsole: On Win32, wait for a key press before closing the console
1925  *****************************************************************************
1926  * This function is useful only on Win32.
1927  *****************************************************************************/
1928 #ifdef WIN32 /*  */
1929 static void PauseConsole( void )
1930 {
1931 #   ifndef UNDER_CE
1932
1933     if( getenv( "PWD" ) && getenv( "PS1" ) ) return; /* cygwin shell */
1934
1935     utf8_fprintf( stderr, _("\nPress the RETURN key to continue...\n") );
1936     getchar();
1937     fclose( stdout );
1938
1939 #   endif
1940 }
1941 #endif
1942
1943 /*****************************************************************************
1944  * ConsoleWidth: Return the console width in characters
1945  *****************************************************************************
1946  * We use the stty shell command to get the console width; if this fails or
1947  * if the width is less than 80, we default to 80.
1948  *****************************************************************************/
1949 static int ConsoleWidth( void )
1950 {
1951     unsigned i_width = 80;
1952
1953 #ifndef WIN32
1954     FILE *file = popen( "stty size 2>/dev/null", "r" );
1955     if (file != NULL)
1956     {
1957         if (fscanf (file, "%*u %u", &i_width) <= 0)
1958             i_width = 80;
1959         pclose( file );
1960     }
1961 #elif !defined (UNDER_CE)
1962     CONSOLE_SCREEN_BUFFER_INFO buf;
1963
1964     if (GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &buf))
1965         i_width = buf.dwSize.X;
1966 #endif
1967
1968     return i_width;
1969 }
1970
1971 #include <vlc_avcodec.h>
1972
1973 void vlc_avcodec_mutex (bool acquire)
1974 {
1975     static vlc_mutex_t lock = VLC_STATIC_MUTEX;
1976
1977     if (acquire)
1978         vlc_mutex_lock (&lock);
1979     else
1980         vlc_mutex_unlock (&lock);
1981 }