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 int  GetFilenames  ( libvlc_int_t *, int, const char *[] );
 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
 221 /**
 222  * Allocate a libvlc instance, initialize global data if needed
 223  * It also initializes the threading system
 224  */
 225 libvlc_int_t * libvlc_InternalCreate( void )
 226 {
 227     libvlc_int_t *p_libvlc;
 228     libvlc_priv_t *priv;
 229     char *psz_env = NULL;
 230
 231     /* Now that the thread system is initialized, we don't have much, but
 232      * at least we have variables */
 233     vlc_mutex_lock( &global_lock );
 234     if( i_instances == 0 )
 235     {
 236         /* Guess what CPU we have */
 237         cpu_flags = CPUCapabilities();
 238         /* The module bank will be initialized later */
 239     }
 240
 241     /* Allocate a libvlc instance object */
 242     p_libvlc = vlc_custom_create( (vlc_object_t *)NULL, sizeof (*priv),
 243                                   VLC_OBJECT_GENERIC, "libvlc" );
 244     if( p_libvlc != NULL )
 245         i_instances++;
 246     vlc_mutex_unlock( &global_lock );
 247
 248     if( p_libvlc == NULL )
 249         return NULL;
 250
 251     priv = libvlc_priv (p_libvlc);
 252     priv->p_playlist = NULL;
 253     priv->p_dialog_provider = NULL;
 254     priv->p_vlm = NULL;
 255
 256     /* Initialize message queue */
 257     priv->msg_bank = msg_Create ();
 258     if (unlikely(priv->msg_bank == NULL))
 259         goto error;
 260
 261     /* Find verbosity from VLC_VERBOSE environment variable */
 262     psz_env = getenv( "VLC_VERBOSE" );
 263     if( psz_env != NULL )
 264         priv->i_verbose = atoi( psz_env );
 265     else
 266         priv->i_verbose = 3;
 267 #if defined( HAVE_ISATTY ) && !defined( WIN32 )
 268     priv->b_color = isatty( 2 ); /* 2 is for stderr */
 269 #else
 270     priv->b_color = false;
 271 #endif
 272
 273     /* Initialize mutexes */
 274     vlc_mutex_init( &priv->timer_lock );
 275
 276     return p_libvlc;
 277 error:
 278     vlc_object_release (p_libvlc);
 279     return NULL;
 280 }
 281
 282 /**
 283  * Initialize a libvlc instance
 284  * This function initializes a previously allocated libvlc instance:
 285  *  - CPU detection
 286  *  - gettext initialization
 287  *  - message queue, module bank and playlist initialization
 288  *  - configuration and commandline parsing
 289  */
 290 int libvlc_InternalInit( libvlc_int_t *p_libvlc, int i_argc,
 291                          const char *ppsz_argv[] )
 292 {
 293     libvlc_priv_t *priv = libvlc_priv (p_libvlc);
 294     char *       p_tmp = NULL;
 295     char *       psz_modules = NULL;
 296     char *       psz_parser = NULL;
 297     char *       psz_control = NULL;
 298     bool   b_exit = false;
 299     int          i_ret = VLC_EEXIT;
 300     playlist_t  *p_playlist = NULL;
 301     char        *psz_val;
 302 #if defined( ENABLE_NLS ) \
 303      && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
 304 # if defined (WIN32) || defined (__APPLE__)
 305     char *       psz_language;
 306 #endif
 307 #endif
 308
 309     /* System specific initialization code */
 310     system_Init( p_libvlc, &i_argc, ppsz_argv );
 311
 312     /*
 313      * Support for gettext
 314      */
 315     vlc_bindtextdomain (PACKAGE_NAME);
 316
 317     /* Initialize the module bank and load the configuration of the
 318      * main module. We need to do this at this stage to be able to display
 319      * a short help if required by the user. (short help == main module
 320      * options) */
 321     module_InitBank( p_libvlc );
 322
 323     if( config_LoadCmdLine( p_libvlc, &i_argc, ppsz_argv, true ) )
 324     {
 325         module_EndBank( p_libvlc, false );
 326         return VLC_EGENERIC;
 327     }
 328
 329     priv->i_verbose = var_InheritInteger( p_libvlc, "verbose" );
 330     /* Announce who we are - Do it only for first instance ? */
 331     msg_Dbg( p_libvlc, "%s", COPYRIGHT_MESSAGE );
 332     msg_Dbg( p_libvlc, "libvlc was configured with %s", CONFIGURE_LINE );
 333     /*xgettext: Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
 334     msg_Dbg( p_libvlc, "translation test: code is \"%s\"", _("C") );
 335
 336     /* Check for short help option */
 337     if( var_InheritBool( p_libvlc, "help" ) )
 338     {
 339         Help( p_libvlc, "help" );
 340         b_exit = true;
 341         i_ret = VLC_EEXITSUCCESS;
 342     }
 343     /* Check for version option */
 344     else if( var_InheritBool( p_libvlc, "version" ) )
 345     {
 346         Version();
 347         b_exit = true;
 348         i_ret = VLC_EEXITSUCCESS;
 349     }
 350
 351     /* Check for daemon mode */
 352 #ifndef WIN32
 353     if( var_InheritBool( p_libvlc, "daemon" ) )
 354     {
 355 #ifdef HAVE_DAEMON
 356         char *psz_pidfile = NULL;
 357
 358         if( daemon( 1, 0) != 0 )
 359         {
 360             msg_Err( p_libvlc, "Unable to fork vlc to daemon mode" );
 361             b_exit = true;
 362         }
 363         b_daemon = true;
 364
 365         /* lets check if we need to write the pidfile */
 366         psz_pidfile = var_CreateGetNonEmptyString( p_libvlc, "pidfile" );
 367         if( psz_pidfile != NULL )
 368         {
 369             FILE *pidfile;
 370             pid_t i_pid = getpid ();
 371             msg_Dbg( p_libvlc, "PID is %d, writing it to %s",
 372                                i_pid, psz_pidfile );
 373             pidfile = vlc_fopen( psz_pidfile,"w" );
 374             if( pidfile != NULL )
 375             {
 376                 utf8_fprintf( pidfile, "%d", (int)i_pid );
 377                 fclose( pidfile );
 378             }
 379             else
 380             {
 381                 msg_Err( p_libvlc, "cannot open pid file for writing: %s (%m)",
 382                          psz_pidfile );
 383             }
 384         }
 385         free( psz_pidfile );
 386
 387 #else
 388         pid_t i_pid;
 389
 390         if( ( i_pid = fork() ) < 0 )
 391         {
 392             msg_Err( p_libvlc, "unable to fork vlc to daemon mode" );
 393             b_exit = true;
 394         }
 395         else if( i_pid )
 396         {
 397             /* This is the parent, exit right now */
 398             msg_Dbg( p_libvlc, "closing parent process" );
 399             b_exit = true;
 400             i_ret = VLC_EEXITSUCCESS;
 401         }
 402         else
 403         {
 404             /* We are the child */
 405             msg_Dbg( p_libvlc, "daemon spawned" );
 406             close( STDIN_FILENO );
 407             close( STDOUT_FILENO );
 408             close( STDERR_FILENO );
 409
 410             b_daemon = true;
 411         }
 412 #endif
 413     }
 414 #endif
 415
 416     if( b_exit )
 417     {
 418         module_EndBank( p_libvlc, false );
 419         return i_ret;
 420     }
 421
 422     /* Check for translation config option */
 423 #if defined( ENABLE_NLS ) \
 424      && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
 425 # if defined (WIN32) || defined (__APPLE__)
 426     if( !var_InheritBool( p_libvlc, "ignore-config" ) )
 427         config_LoadConfigFile( p_libvlc, "main" );
 428     priv->i_verbose = var_InheritInteger( p_libvlc, "verbose" );
 429
 430     /* Check if the user specified a custom language */
 431     psz_language = var_CreateGetNonEmptyString( p_libvlc, "language" );
 432     if( psz_language && strcmp( psz_language, "auto" ) )
 433     {
 434         /* Reset the default domain */
 435         SetLanguage( psz_language );
 436
 437         /* Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
 438         msg_Dbg( p_libvlc, "translation test: code is \"%s\"", _("C") );
 439     }
 440     free( psz_language );
 441 # endif
 442 #endif
 443
 444     /*
 445      * Load the builtins and plugins into the module_bank.
 446      * We have to do it before config_Load*() because this also gets the
 447      * list of configuration options exported by each module and loads their
 448      * default values.
 449      */
 450     module_LoadPlugins( p_libvlc );
 451     if( p_libvlc->b_die )
 452     {
 453         b_exit = true;
 454     }
 455
 456     size_t module_count;
 457     module_t **list = module_list_get( &module_count );
 458     module_list_free( list );
 459     msg_Dbg( p_libvlc, "module bank initialized (%zu modules)", module_count );
 460
 461     /* Check for help on modules */
 462     if( (p_tmp = var_InheritString( p_libvlc, "module" )) )
 463     {
 464         Help( p_libvlc, p_tmp );
 465         free( p_tmp );
 466         b_exit = true;
 467         i_ret = VLC_EEXITSUCCESS;
 468     }
 469     /* Check for full help option */
 470     else if( var_InheritBool( p_libvlc, "full-help" ) )
 471     {
 472         var_Create( p_libvlc, "advanced", VLC_VAR_BOOL );
 473         var_SetBool( p_libvlc, "advanced", true );
 474         var_Create( p_libvlc, "help-verbose", VLC_VAR_BOOL );
 475         var_SetBool( p_libvlc, "help-verbose", true );
 476         Help( p_libvlc, "full-help" );
 477         b_exit = true;
 478         i_ret = VLC_EEXITSUCCESS;
 479     }
 480     /* Check for long help option */
 481     else if( var_InheritBool( p_libvlc, "longhelp" ) )
 482     {
 483         Help( p_libvlc, "longhelp" );
 484         b_exit = true;
 485         i_ret = VLC_EEXITSUCCESS;
 486     }
 487     /* Check for module list option */
 488     else if( var_InheritBool( p_libvlc, "list" ) )
 489     {
 490         ListModules( p_libvlc, false );
 491         b_exit = true;
 492         i_ret = VLC_EEXITSUCCESS;
 493     }
 494     else if( var_InheritBool( p_libvlc, "list-verbose" ) )
 495     {
 496         ListModules( p_libvlc, true );
 497         b_exit = true;
 498         i_ret = VLC_EEXITSUCCESS;
 499     }
 500
 501     /* Check for config file options */
 502     if( !var_InheritBool( p_libvlc, "ignore-config" ) )
 503     {
 504         if( var_InheritBool( p_libvlc, "reset-config" ) )
 505         {
 506             config_ResetAll( p_libvlc );
 507             config_SaveConfigFile( p_libvlc, NULL );
 508         }
 509     }
 510
 511     if( module_count <= 1)
 512     {
 513         msg_Err( p_libvlc, "No modules were found, refusing to start. Check "
 514                 "that you properly gave a module path with --plugin-path.");
 515         b_exit = true;
 516         i_ret = VLC_ENOITEM;
 517     }
 518
 519     if( b_exit )
 520     {
 521         module_EndBank( p_libvlc, true );
 522         return i_ret;
 523     }
 524
 525     /*
 526      * Override default configuration with config file settings
 527      */
 528     if( !var_InheritBool( p_libvlc, "ignore-config" ) )
 529         config_LoadConfigFile( p_libvlc, NULL );
 530
 531     /*
 532      * Override configuration with command line settings
 533      */
 534     /* config_LoadCmdLine(), DBus (below) and Win32-specific use vlc_optind,
 535      * vlc_optarg and vlc_optopt globals. This is not thread-safe!! */
 536 #warning BUG!
 537     if( config_LoadCmdLine( p_libvlc, &i_argc, ppsz_argv, false ) )
 538     {
 539 #ifdef WIN32
 540         ShowConsole( false );
 541         /* Pause the console because it's destroyed when we exit */
 542         fprintf( stderr, "The command line options couldn't be loaded, check "
 543                  "that they are valid.\n" );
 544         PauseConsole();
 545 #endif
 546         module_EndBank( p_libvlc, true );
 547         return VLC_EGENERIC;
 548     }
 549     priv->i_verbose = var_InheritInteger( p_libvlc, "verbose" );
 550
 551 /* FIXME: could be replaced by using Unix sockets */
 552 #ifdef HAVE_DBUS
 553     dbus_threads_init_default();
 554
 555     if( var_InheritBool( p_libvlc, "one-instance" )
 556     || ( var_InheritBool( p_libvlc, "one-instance-when-started-from-file" )
 557       && var_InheritBool( p_libvlc, "started-from-file" ) ) )
 558     {
 559         /* Initialise D-Bus interface, check for other instances */
 560         DBusConnection  *p_conn = NULL;
 561         DBusError       dbus_error;
 562
 563         dbus_error_init( &dbus_error );
 564
 565         /* connect to the session bus */
 566         p_conn = dbus_bus_get( DBUS_BUS_SESSION, &dbus_error );
 567         if( !p_conn )
 568         {
 569             msg_Err( p_libvlc, "Failed to connect to D-Bus session daemon: %s",
 570                     dbus_error.message );
 571             dbus_error_free( &dbus_error );
 572         }
 573         else
 574         {
 575             /* check if VLC is available on the bus
 576              * if not: D-Bus control is not enabled on the other
 577              * instance and we can't pass MRLs to it */
 578             DBusMessage *p_test_msg = NULL;
 579             DBusMessage *p_test_reply = NULL;
 580             p_test_msg =  dbus_message_new_method_call(
 581                     "org.mpris.vlc", "/",
 582                     "org.freedesktop.MediaPlayer", "Identity" );
 583             /* block until a reply arrives */
 584             p_test_reply = dbus_connection_send_with_reply_and_block(
 585                     p_conn, p_test_msg, -1, &dbus_error );
 586             dbus_message_unref( p_test_msg );
 587             if( p_test_reply == NULL )
 588             {
 589                 dbus_error_free( &dbus_error );
 590                 msg_Dbg( p_libvlc, "No Media Player is running. "
 591                         "Continuing normally." );
 592             }
 593             else
 594             {
 595                 int i_input;
 596                 DBusMessage* p_dbus_msg = NULL;
 597                 DBusMessageIter dbus_args;
 598                 DBusPendingCall* p_dbus_pending = NULL;
 599                 dbus_bool_t b_play;
 600
 601                 dbus_message_unref( p_test_reply );
 602                 msg_Warn( p_libvlc, "Another Media Player is running. Exiting");
 603
 604                 for( i_input = vlc_optind; i_input < i_argc;i_input++ )
 605                 {
 606                     msg_Dbg( p_libvlc, "Adds %s to the running Media Player",
 607                             ppsz_argv[i_input] );
 608
 609                     p_dbus_msg = dbus_message_new_method_call(
 610                             "org.mpris.vlc", "/TrackList",
 611                             "org.freedesktop.MediaPlayer", "AddTrack" );
 612
 613                     if ( NULL == p_dbus_msg )
 614                     {
 615                         msg_Err( p_libvlc, "D-Bus problem" );
 616                         system_End( p_libvlc );
 617                         exit( 1 );
 618                     }
 619
 620                     /* append MRLs */
 621                     dbus_message_iter_init_append( p_dbus_msg, &dbus_args );
 622                     if ( !dbus_message_iter_append_basic( &dbus_args,
 623                                 DBUS_TYPE_STRING, &ppsz_argv[i_input] ) )
 624                     {
 625                         dbus_message_unref( p_dbus_msg );
 626                         system_End( p_libvlc );
 627                         exit( 1 );
 628                     }
 629                     b_play = TRUE;
 630                     if( var_InheritBool( p_libvlc, "playlist-enqueue" ) )
 631                         b_play = FALSE;
 632                     if ( !dbus_message_iter_append_basic( &dbus_args,
 633                                 DBUS_TYPE_BOOLEAN, &b_play ) )
 634                     {
 635                         dbus_message_unref( p_dbus_msg );
 636                         system_End( p_libvlc );
 637                         exit( 1 );
 638                     }
 639
 640                     /* send message and get a handle for a reply */
 641                     if ( !dbus_connection_send_with_reply ( p_conn,
 642                                 p_dbus_msg, &p_dbus_pending, -1 ) )
 643                     {
 644                         msg_Err( p_libvlc, "D-Bus problem" );
 645                         dbus_message_unref( p_dbus_msg );
 646                         system_End( p_libvlc );
 647                         exit( 1 );
 648                     }
 649
 650                     if ( NULL == p_dbus_pending )
 651                     {
 652                         msg_Err( p_libvlc, "D-Bus problem" );
 653                         dbus_message_unref( p_dbus_msg );
 654                         system_End( p_libvlc );
 655                         exit( 1 );
 656                     }
 657                     dbus_connection_flush( p_conn );
 658                     dbus_message_unref( p_dbus_msg );
 659                     /* block until we receive a reply */
 660                     dbus_pending_call_block( p_dbus_pending );
 661                     dbus_pending_call_unref( p_dbus_pending );
 662                 } /* processes all command line MRLs */
 663
 664                 /* bye bye */
 665                 system_End( p_libvlc );
 666                 exit( 0 );
 667             }
 668         }
 669         /* we unreference the connection when we've finished with it */
 670         if( p_conn ) dbus_connection_unref( p_conn );
 671     }
 672 #endif
 673
 674     /*
 675      * Message queue options
 676      */
 677     char * psz_verbose_objects = var_CreateGetNonEmptyString( p_libvlc, "verbose-objects" );
 678     if( psz_verbose_objects )
 679     {
 680         char * psz_object, * iter = psz_verbose_objects;
 681         while( (psz_object = strsep( &iter, "," )) )
 682         {
 683             switch( psz_object[0] )
 684             {
 685                 printf("%s\n", psz_object+1);
 686                 case '+': msg_EnableObjectPrinting(p_libvlc, psz_object+1); break;
 687                 case '-': msg_DisableObjectPrinting(p_libvlc, psz_object+1); break;
 688                 default:
 689                     msg_Err( p_libvlc, "verbose-objects usage: \n"
 690                             "--verbose-objects=+printthatobject,"
 691                             "-dontprintthatone\n"
 692                             "(keyword 'all' to applies to all objects)");
 693                     free( psz_verbose_objects );
 694                     /* FIXME: leaks!!!! */
 695                     return VLC_EGENERIC;
 696             }
 697         }
 698         free( psz_verbose_objects );
 699     }
 700
 701     /* Last chance to set the verbosity. Once we start interfaces and other
 702      * threads, verbosity becomes read-only. */
 703     var_Create( p_libvlc, "verbose", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 704     if( var_InheritBool( p_libvlc, "quiet" ) )
 705     {
 706         var_SetInteger( p_libvlc, "verbose", -1 );
 707         priv->i_verbose = -1;
 708     }
 709     vlc_threads_setup( p_libvlc );
 710
 711     if( priv->b_color )
 712         priv->b_color = var_InheritBool( p_libvlc, "color" );
 713
 714     char p_capabilities[200];
 715 #define PRINT_CAPABILITY( capability, string )                              \
 716     if( vlc_CPU() & capability )                                            \
 717     {                                                                       \
 718         strncat( p_capabilities, string " ",                                \
 719                  sizeof(p_capabilities) - strlen(p_capabilities) );         \
 720         p_capabilities[sizeof(p_capabilities) - 1] = '\0';                  \
 721     }
 722     p_capabilities[0] = '\0';
 723
 724 #if defined( __i386__ ) || defined( __x86_64__ )
 725     if( !var_InheritBool( p_libvlc, "mmx" ) )
 726         cpu_flags &= ~CPU_CAPABILITY_MMX;
 727     if( !var_InheritBool( p_libvlc, "3dn" ) )
 728         cpu_flags &= ~CPU_CAPABILITY_3DNOW;
 729     if( !var_InheritBool( p_libvlc, "mmxext" ) )
 730         cpu_flags &= ~CPU_CAPABILITY_MMXEXT;
 731     if( !var_InheritBool( p_libvlc, "sse" ) )
 732         cpu_flags &= ~CPU_CAPABILITY_SSE;
 733     if( !var_InheritBool( p_libvlc, "sse2" ) )
 734         cpu_flags &= ~CPU_CAPABILITY_SSE2;
 735     if( !var_InheritBool( p_libvlc, "sse3" ) )
 736         cpu_flags &= ~CPU_CAPABILITY_SSE3;
 737     if( !var_InheritBool( p_libvlc, "ssse3" ) )
 738         cpu_flags &= ~CPU_CAPABILITY_SSSE3;
 739     if( !var_InheritBool( p_libvlc, "sse41" ) )
 740         cpu_flags &= ~CPU_CAPABILITY_SSE4_1;
 741     if( !var_InheritBool( p_libvlc, "sse42" ) )
 742         cpu_flags &= ~CPU_CAPABILITY_SSE4_2;
 743
 744     PRINT_CAPABILITY( CPU_CAPABILITY_MMX, "MMX" );
 745     PRINT_CAPABILITY( CPU_CAPABILITY_3DNOW, "3DNow!" );
 746     PRINT_CAPABILITY( CPU_CAPABILITY_MMXEXT, "MMXEXT" );
 747     PRINT_CAPABILITY( CPU_CAPABILITY_SSE, "SSE" );
 748     PRINT_CAPABILITY( CPU_CAPABILITY_SSE2, "SSE2" );
 749     PRINT_CAPABILITY( CPU_CAPABILITY_SSE3, "SSE3" );
 750     PRINT_CAPABILITY( CPU_CAPABILITY_SSSE3, "SSSE3" );
 751     PRINT_CAPABILITY( CPU_CAPABILITY_SSE4_1, "SSE4.1" );
 752     PRINT_CAPABILITY( CPU_CAPABILITY_SSE4_2, "SSE4.2" );
 753     PRINT_CAPABILITY( CPU_CAPABILITY_SSE4A,  "SSE4A" );
 754
 755 #elif defined( __powerpc__ ) || defined( __ppc__ ) || defined( __ppc64__ )
 756     if( !var_InheritBool( p_libvlc, "altivec" ) )
 757         cpu_flags &= ~CPU_CAPABILITY_ALTIVEC;
 758
 759     PRINT_CAPABILITY( CPU_CAPABILITY_ALTIVEC, "AltiVec" );
 760
 761 #elif defined( __arm__ )
 762     PRINT_CAPABILITY( CPU_CAPABILITY_NEON, "NEONv1" );
 763
 764 #endif
 765
 766 #if HAVE_FPU
 767     strncat( p_capabilities, "FPU ",
 768              sizeof(p_capabilities) - strlen( p_capabilities) );
 769     p_capabilities[sizeof(p_capabilities) - 1] = '\0';
 770 #endif
 771
 772     if (p_capabilities[0])
 773         msg_Dbg( p_libvlc, "CPU has capabilities %s", p_capabilities );
 774
 775     /*
 776      * Choose the best memcpy module
 777      */
 778     priv->p_memcpy_module = module_need( p_libvlc, "memcpy", "$memcpy", false );
 779     /* Avoid being called "memcpy":*/
 780     vlc_object_set_name( p_libvlc, "main" );
 781
 782     priv->b_stats = var_InheritBool( p_libvlc, "stats" );
 783     priv->i_timers = 0;
 784     priv->pp_timers = NULL;
 785
 786     priv->i_last_input_id = 0; /* Not very safe, should be removed */
 787
 788     /*
 789      * Initialize hotkey handling
 790      */
 791     vlc_InitActions( p_libvlc );
 792
 793     /* Create a variable for showing the fullscreen interface */
 794     var_Create( p_libvlc, "intf-show", VLC_VAR_BOOL );
 795     var_SetBool( p_libvlc, "intf-show", true );
 796
 797     /* Create a variable for showing the right click menu */
 798     var_Create( p_libvlc, "intf-popupmenu", VLC_VAR_BOOL );
 799
 800     /* variables for signalling creation of new files */
 801     var_Create( p_libvlc, "snapshot-file", VLC_VAR_STRING );
 802     var_Create( p_libvlc, "record-file", VLC_VAR_STRING );
 803
 804     /* Initialize playlist and get commandline files */
 805     p_playlist = playlist_Create( VLC_OBJECT(p_libvlc) );
 806     if( !p_playlist )
 807     {
 808         msg_Err( p_libvlc, "playlist initialization failed" );
 809         if( priv->p_memcpy_module != NULL )
 810         {
 811             module_unneed( p_libvlc, priv->p_memcpy_module );
 812         }
 813         module_EndBank( p_libvlc, true );
 814         return VLC_EGENERIC;
 815     }
 816
 817     /* System specific configuration */
 818     system_Configure( p_libvlc, &i_argc, ppsz_argv );
 819
 820     /* Add service discovery modules */
 821     psz_modules = var_InheritString( p_libvlc, "services-discovery" );
 822     if( psz_modules )
 823     {
 824         char *p = psz_modules, *m;
 825         while( ( m = strsep( &p, " :," ) ) != NULL )
 826             playlist_ServicesDiscoveryAdd( p_playlist, m );
 827         free( psz_modules );
 828     }
 829
 830 #ifdef ENABLE_VLM
 831     /* Initialize VLM if vlm-conf is specified */
 832     psz_parser = var_CreateGetNonEmptyString( p_libvlc, "vlm-conf" );
 833     if( psz_parser )
 834     {
 835         priv->p_vlm = vlm_New( p_libvlc );
 836         if( !priv->p_vlm )
 837             msg_Err( p_libvlc, "VLM initialization failed" );
 838     }
 839     free( psz_parser );
 840 #endif
 841
 842     /*
 843      * Load background interfaces
 844      */
 845     psz_modules = var_CreateGetNonEmptyString( p_libvlc, "extraintf" );
 846     psz_control = var_CreateGetNonEmptyString( p_libvlc, "control" );
 847
 848     if( psz_modules && psz_control )
 849     {
 850         char* psz_tmp;
 851         if( asprintf( &psz_tmp, "%s:%s", psz_modules, psz_control ) != -1 )
 852         {
 853             free( psz_modules );
 854             psz_modules = psz_tmp;
 855         }
 856     }
 857     else if( psz_control )
 858     {
 859         free( psz_modules );
 860         psz_modules = strdup( psz_control );
 861     }
 862
 863     psz_parser = psz_modules;
 864     while ( psz_parser && *psz_parser )
 865     {
 866         char *psz_module, *psz_temp;
 867         psz_module = psz_parser;
 868         psz_parser = strchr( psz_module, ':' );
 869         if ( psz_parser )
 870         {
 871             *psz_parser = '\0';
 872             psz_parser++;
 873         }
 874         if( asprintf( &psz_temp, "%s,none", psz_module ) != -1)
 875         {
 876             intf_Create( p_libvlc, psz_temp );
 877             free( psz_temp );
 878         }
 879     }
 880     free( psz_modules );
 881     free( psz_control );
 882
 883     /*
 884      * Always load the hotkeys interface if it exists
 885      */
 886     intf_Create( p_libvlc, "hotkeys,none" );
 887
 888 #ifdef HAVE_DBUS
 889     /* loads dbus control interface if in one-instance mode
 890      * we do it only when playlist exists, because dbus module needs it */
 891     if( var_InheritBool( p_libvlc, "one-instance" )
 892      || ( var_InheritBool( p_libvlc, "one-instance-when-started-from-file" )
 893        && var_InheritBool( p_libvlc, "started-from-file" ) ) )
 894         intf_Create( p_libvlc, "dbus,none" );
 895
 896 # if !defined (HAVE_MAEMO)
 897     /* Prevents the power management daemon from suspending the system
 898      * when VLC is active */
 899     if( var_InheritBool( p_libvlc, "inhibit" ) > 0 )
 900         intf_Create( p_libvlc, "inhibit,none" );
 901 # endif
 902 #endif
 903
 904     if( var_InheritBool( p_libvlc, "file-logging" ) &&
 905         !var_InheritBool( p_libvlc, "syslog" ) )
 906     {
 907         intf_Create( p_libvlc, "logger,none" );
 908     }
 909 #ifdef HAVE_SYSLOG_H
 910     if( var_InheritBool( p_libvlc, "syslog" ) )
 911     {
 912         char *logmode = var_CreateGetNonEmptyString( p_libvlc, "logmode" );
 913         var_SetString( p_libvlc, "logmode", "syslog" );
 914         intf_Create( p_libvlc, "logger,none" );
 915
 916         if( logmode )
 917         {
 918             var_SetString( p_libvlc, "logmode", logmode );
 919             free( logmode );
 920         }
 921         var_Destroy( p_libvlc, "logmode" );
 922     }
 923 #endif
 924
 925     if( var_InheritBool( p_libvlc, "network-synchronisation") )
 926     {
 927         intf_Create( p_libvlc, "netsync,none" );
 928     }
 929
 930 #ifdef WIN32
 931     if( var_InheritBool( p_libvlc, "prefer-system-codecs") )
 932     {
 933         char *psz_codecs = var_CreateGetNonEmptyString( p_libvlc, "codec" );
 934         if( psz_codecs )
 935         {
 936             char *psz_morecodecs;
 937             if( asprintf(&psz_morecodecs, "%s,dmo,quicktime", psz_codecs) != -1 )
 938             {
 939                 var_SetString( p_libvlc, "codec", psz_morecodecs);
 940                 free( psz_morecodecs );
 941             }
 942             free( psz_codecs );
 943         }
 944         else
 945             var_SetString( p_libvlc, "codec", "dmo,quicktime");
 946     }
 947 #endif
 948
 949     var_Create( p_libvlc, "drawable-view-top", VLC_VAR_INTEGER );
 950     var_Create( p_libvlc, "drawable-view-left", VLC_VAR_INTEGER );
 951     var_Create( p_libvlc, "drawable-view-bottom", VLC_VAR_INTEGER );
 952     var_Create( p_libvlc, "drawable-view-right", VLC_VAR_INTEGER );
 953     var_Create( p_libvlc, "drawable-clip-top", VLC_VAR_INTEGER );
 954     var_Create( p_libvlc, "drawable-clip-left", VLC_VAR_INTEGER );
 955     var_Create( p_libvlc, "drawable-clip-bottom", VLC_VAR_INTEGER );
 956     var_Create( p_libvlc, "drawable-clip-right", VLC_VAR_INTEGER );
 957 #ifdef WIN32
 958     var_Create( p_libvlc, "drawable-hwnd", VLC_VAR_ADDRESS );
 959 #endif
 960
 961     /*
 962      * Get input filenames given as commandline arguments
 963      */
 964     GetFilenames( p_libvlc, i_argc, ppsz_argv );
 965
 966     /*
 967      * Get --open argument
 968      */
 969     psz_val = var_InheritString( p_libvlc, "open" );
 970     if ( psz_val != NULL )
 971     {
 972         playlist_AddExt( p_playlist, psz_val, NULL, PLAYLIST_INSERT, 0,
 973                          -1, 0, NULL, 0, true, pl_Unlocked );
 974         free( psz_val );
 975     }
 976
 977     return VLC_SUCCESS;
 978 }
 979
 980 /**
 981  * Cleanup a libvlc instance. The instance is not completely deallocated
 982  * \param p_libvlc the instance to clean
 983  */
 984 void libvlc_InternalCleanup( libvlc_int_t *p_libvlc )
 985 {
 986     libvlc_priv_t *priv = libvlc_priv (p_libvlc);
 987     playlist_t    *p_playlist = libvlc_priv (p_libvlc)->p_playlist;
 988
 989     /* Deactivate the playlist */
 990     msg_Dbg( p_libvlc, "deactivating the playlist" );
 991     pl_Deactivate( p_libvlc );
 992
 993     /* Remove all services discovery */
 994     msg_Dbg( p_libvlc, "removing all services discovery tasks" );
 995     playlist_ServicesDiscoveryKillAll( p_playlist );
 996
 997     /* Ask the interfaces to stop and destroy them */
 998     msg_Dbg( p_libvlc, "removing all interfaces" );
 999     libvlc_Quit( p_libvlc );
1000     intf_DestroyAll( p_libvlc );
1001
1002 #ifdef ENABLE_VLM
1003     /* Destroy VLM if created in libvlc_InternalInit */
1004     if( priv->p_vlm )
1005     {
1006         vlm_Delete( priv->p_vlm );
1007     }
1008 #endif
1009
1010     /* Free playlist now, all threads are gone */
1011     playlist_Destroy( p_playlist );
1012
1013     stats_TimersDumpAll( p_libvlc );
1014     stats_TimersCleanAll( p_libvlc );
1015
1016     msg_Dbg( p_libvlc, "removing stats" );
1017
1018 #ifndef WIN32
1019     char* psz_pidfile = NULL;
1020
1021     if( b_daemon )
1022     {
1023         psz_pidfile = var_CreateGetNonEmptyString( p_libvlc, "pidfile" );
1024         if( psz_pidfile != NULL )
1025         {
1026             msg_Dbg( p_libvlc, "removing pid file %s", psz_pidfile );
1027             if( unlink( psz_pidfile ) == -1 )
1028             {
1029                 msg_Dbg( p_libvlc, "removing pid file %s: %m",
1030                         psz_pidfile );
1031             }
1032         }
1033         free( psz_pidfile );
1034     }
1035 #endif
1036
1037     if( priv->p_memcpy_module )
1038     {
1039         module_unneed( p_libvlc, priv->p_memcpy_module );
1040         priv->p_memcpy_module = NULL;
1041     }
1042
1043     /* Free module bank. It is refcounted, so we call this each time  */
1044     module_EndBank( p_libvlc, true );
1045
1046     vlc_DeinitActions( p_libvlc );
1047 }
1048
1049 /**
1050  * Destroy everything.
1051  * This function requests the running threads to finish, waits for their
1052  * termination, and destroys their structure.
1053  * It stops the thread systems: no instance can run after this has run
1054  * \param p_libvlc the instance to destroy
1055  */
1056 void libvlc_InternalDestroy( libvlc_int_t *p_libvlc )
1057 {
1058     libvlc_priv_t *priv = libvlc_priv( p_libvlc );
1059
1060     vlc_mutex_lock( &global_lock );
1061     i_instances--;
1062
1063     if( i_instances == 0 )
1064     {
1065         /* System specific cleaning code */
1066         system_End( p_libvlc );
1067     }
1068     vlc_mutex_unlock( &global_lock );
1069
1070     msg_Destroy (priv->msg_bank);
1071
1072     /* Destroy mutexes */
1073     vlc_mutex_destroy( &priv->timer_lock );
1074
1075 #ifndef NDEBUG /* Hack to dump leaked objects tree */
1076     if( vlc_internals( p_libvlc )->i_refcount > 1 )
1077         while( vlc_internals( p_libvlc )->i_refcount > 0 )
1078             vlc_object_release( p_libvlc );
1079 #endif
1080
1081     assert( vlc_internals( p_libvlc )->i_refcount == 1 );
1082     vlc_object_release( p_libvlc );
1083 }
1084
1085 /**
1086  * Add an interface plugin and run it
1087  */
1088 int libvlc_InternalAddIntf( libvlc_int_t *p_libvlc, char const *psz_module )
1089 {
1090     if( !p_libvlc )
1091         return VLC_EGENERIC;
1092
1093     if( !psz_module ) /* requesting the default interface */
1094     {
1095         char *psz_interface = var_CreateGetNonEmptyString( p_libvlc, "intf" );
1096         if( !psz_interface ) /* "intf" has not been set */
1097         {
1098 #ifndef WIN32
1099             if( b_daemon )
1100                  /* Daemon mode hack.
1101                   * We prefer the dummy interface if none is specified. */
1102                 psz_module = "dummy";
1103             else
1104 #endif
1105                 msg_Info( p_libvlc, "%s",
1106                           _("Running vlc with the default interface. "
1107                             "Use 'cvlc' to use vlc without interface.") );
1108         }
1109         free( psz_interface );
1110         var_Destroy( p_libvlc, "intf" );
1111     }
1112
1113     /* Try to create the interface */
1114     int ret = intf_Create( p_libvlc, psz_module ? psz_module : "$intf" );
1115     if( ret )
1116         msg_Err( p_libvlc, "interface \"%s\" initialization failed",
1117                  psz_module ? psz_module : "default" );
1118     return ret;
1119 }
1120
1121 #ifndef WIN32
1122 static vlc_mutex_t exit_lock = VLC_STATIC_MUTEX;
1123 static vlc_cond_t  exiting = VLC_STATIC_COND;
1124 #else
1125 extern vlc_mutex_t super_mutex;
1126 extern vlc_cond_t  super_variable;
1127 # define exit_lock super_mutex
1128 # define exiting   super_variable
1129 #endif
1130
1131 /**
1132  * Waits until the LibVLC instance gets an exit signal. Normally, this happens
1133  * when the user "exits" an interface plugin.
1134  */
1135 void libvlc_InternalWait( libvlc_int_t *p_libvlc )
1136 {
1137     vlc_mutex_lock( &exit_lock );
1138     while( vlc_object_alive( p_libvlc ) )
1139         vlc_cond_wait( &exiting, &exit_lock );
1140     vlc_mutex_unlock( &exit_lock );
1141 }
1142
1143 /**
1144  * Posts an exit signal to LibVLC instance. This will normally initiate the
1145  * cleanup and destroy process. It should only be called on behalf of the user.
1146  */
1147 void libvlc_Quit( libvlc_int_t *p_libvlc )
1148 {
1149     vlc_mutex_lock( &exit_lock );
1150     vlc_object_kill( p_libvlc );
1151     vlc_cond_broadcast( &exiting );
1152     vlc_mutex_unlock( &exit_lock );
1153 }
1154
1155 #if defined( ENABLE_NLS ) && (defined (__APPLE__) || defined (WIN32)) && \
1156     ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
1157 /*****************************************************************************
1158  * SetLanguage: set the interface language.
1159  *****************************************************************************
1160  * We set the LC_MESSAGES locale category for interface messages and buttons,
1161  * as well as the LC_CTYPE category for string sorting and possible wide
1162  * character support.
1163  *****************************************************************************/
1164 static void SetLanguage ( const char *psz_lang )
1165 {
1166 #ifdef __APPLE__
1167     /* I need that under Darwin, please check it doesn't disturb
1168      * other platforms. --Meuuh */
1169     setenv( "LANG", psz_lang, 1 );
1170
1171 #else
1172     /* We set LC_ALL manually because it is the only way to set
1173      * the language at runtime under eg. Windows. Beware that this
1174      * makes the environment unconsistent when libvlc is unloaded and
1175      * should probably be moved to a safer place like vlc.c. */
1176     static char psz_lcall[20];
1177     snprintf( psz_lcall, 19, "LC_ALL=%s", psz_lang );
1178     psz_lcall[19] = '\0';
1179     putenv( psz_lcall );
1180 #endif
1181
1182     setlocale( LC_ALL, psz_lang );
1183 }
1184 #endif
1185
1186 /*****************************************************************************
1187  * GetFilenames: parse command line options which are not flags
1188  *****************************************************************************
1189  * Parse command line for input files as well as their associated options.
1190  * An option always follows its associated input and begins with a ":".
1191  *****************************************************************************/
1192 static int GetFilenames( libvlc_int_t *p_vlc, int i_argc, const char *ppsz_argv[] )
1193 {
1194     int i_opt, i_options;
1195
1196     /* We assume that the remaining parameters are filenames
1197      * and their input options */
1198     for( i_opt = i_argc - 1; i_opt >= vlc_optind; i_opt-- )
1199     {
1200         i_options = 0;
1201
1202         /* Count the input options */
1203         while( *ppsz_argv[ i_opt ] == ':' && i_opt > vlc_optind )
1204         {
1205             i_options++;
1206             i_opt--;
1207         }
1208
1209         /* TODO: write an internal function of this one, to avoid
1210          *       unnecessary lookups. */
1211         char *mrl = make_URI( ppsz_argv[i_opt] );
1212         if( !mrl )
1213             continue;
1214
1215         playlist_AddExt( pl_Get( p_vlc ), mrl, NULL, PLAYLIST_INSERT,
1216                 0, -1, i_options, ( i_options ? &ppsz_argv[i_opt + 1] : NULL ),
1217                 VLC_INPUT_OPTION_TRUSTED, true, pl_Unlocked );
1218         free( mrl );
1219     }
1220
1221     return VLC_SUCCESS;
1222 }
1223
1224 /*****************************************************************************
1225  * Help: print program help
1226  *****************************************************************************
1227  * Print a short inline help. Message interface is initialized at this stage.
1228  *****************************************************************************/
1229 static inline void print_help_on_full_help( void )
1230 {
1231     utf8_fprintf( stdout, "\n" );
1232     utf8_fprintf( stdout, "%s\n", _("To get exhaustive help, use '-H'.") );
1233 }
1234
1235 static const char vlc_usage[] = N_(
1236                             "Usage: %s [options] [stream] ..."
1237                             "\nYou can specify multiple streams on the commandline. They will be enqueued in the playlist."
1238                             "\nThe first item specified will be played first."
1239                             "\n"
1240                             "\nOptions-styles:"
1241                             "\n  --option  A global option that is set for the duration of the program."
1242                             "\n   -option  A single letter version of a global --option."
1243                             "\n   :option  An option that only applies to the stream directly before it"
1244                             "\n            and that overrides previous settings."
1245                             "\n"
1246                             "\nStream MRL syntax:"
1247                             "\n  [[access][/demux]://]URL[@[title][:chapter][-[title][:chapter]]] [:option=value ...]"
1248                             "\n"
1249                             "\n  Many of the global --options can also be used as MRL specific :options."
1250                             "\n  Multiple :option=value pairs can be specified."
1251                             "\n"
1252                             "\nURL syntax:"
1253                             "\n  [file://]filename              Plain media file"
1254                             "\n  http://ip:port/file            HTTP URL"
1255                             "\n  ftp://ip:port/file             FTP URL"
1256                             "\n  mms://ip:port/file             MMS URL"
1257                             "\n  screen://                      Screen capture"
1258                             "\n  [dvd://][device][@raw_device]  DVD device"
1259                             "\n  [vcd://][device]               VCD device"
1260                             "\n  [cdda://][device]              Audio CD device"
1261                             "\n  udp://[[<source address>]@[<bind address>][:<bind port>]]"
1262                             "\n                                 UDP stream sent by a streaming server"
1263                             "\n  vlc://pause:<seconds>          Special item to pause the playlist for a certain time"
1264                             "\n  vlc://quit                     Special item to quit VLC"
1265                             "\n");
1266
1267 static void Help( libvlc_int_t *p_this, char const *psz_help_name )
1268 {
1269 #ifdef WIN32
1270     ShowConsole( true );
1271 #endif
1272
1273     if( psz_help_name && !strcmp( psz_help_name, "help" ) )
1274     {
1275         utf8_fprintf( stdout, vlc_usage, "vlc" );
1276         Usage( p_this, "=help" );
1277         Usage( p_this, "=main" );
1278         print_help_on_full_help();
1279     }
1280     else if( psz_help_name && !strcmp( psz_help_name, "longhelp" ) )
1281     {
1282         utf8_fprintf( stdout, vlc_usage, "vlc" );
1283         Usage( p_this, NULL );
1284         print_help_on_full_help();
1285     }
1286     else if( psz_help_name && !strcmp( psz_help_name, "full-help" ) )
1287     {
1288         utf8_fprintf( stdout, vlc_usage, "vlc" );
1289         Usage( p_this, NULL );
1290     }
1291     else if( psz_help_name )
1292     {
1293         Usage( p_this, psz_help_name );
1294     }
1295
1296 #ifdef WIN32        /* Pause the console because it's destroyed when we exit */
1297     PauseConsole();
1298 #endif
1299 }
1300
1301 /*****************************************************************************
1302  * Usage: print module usage
1303  *****************************************************************************
1304  * Print a short inline help. Message interface is initialized at this stage.
1305  *****************************************************************************/
1306 #   define COL(x)  "\033[" #x ";1m"
1307 #   define RED     COL(31)
1308 #   define GREEN   COL(32)
1309 #   define YELLOW  COL(33)
1310 #   define BLUE    COL(34)
1311 #   define MAGENTA COL(35)
1312 #   define CYAN    COL(36)
1313 #   define WHITE   COL(0)
1314 #   define GRAY    "\033[0m"
1315 static void
1316 print_help_section( const module_t *m, const module_config_t *p_item,
1317                     bool b_color, bool b_description )
1318 {
1319     if( !p_item ) return;
1320     if( b_color )
1321     {
1322         utf8_fprintf( stdout, RED"   %s:\n"GRAY,
1323                       module_gettext( m, p_item->psz_text ) );
1324         if( b_description && p_item->psz_longtext && *p_item->psz_longtext )
1325             utf8_fprintf( stdout, MAGENTA"   %s\n"GRAY,
1326                           module_gettext( m, p_item->psz_longtext ) );
1327     }
1328     else
1329     {
1330         utf8_fprintf( stdout, "   %s:\n",
1331                       module_gettext( m, p_item->psz_text ) );
1332         if( b_description && p_item->psz_longtext && *p_item->psz_longtext )
1333             utf8_fprintf( stdout, "   %s\n",
1334                           module_gettext(m, p_item->psz_longtext ) );
1335     }
1336 }
1337
1338 static void Usage( libvlc_int_t *p_this, char const *psz_search )
1339 {
1340 #define FORMAT_STRING "  %s --%s%s%s%s%s%s%s "
1341     /* short option ------'    | | | | | | |
1342      * option name ------------' | | | | | |
1343      * <bra ---------------------' | | | | |
1344      * option type or "" ----------' | | | |
1345      * ket> -------------------------' | | |
1346      * padding spaces -----------------' | |
1347      * comment --------------------------' |
1348      * comment suffix ---------------------'
1349      *
1350      * The purpose of having bra and ket is that we might i18n them as well.
1351      */
1352
1353 #define COLOR_FORMAT_STRING (WHITE"  %s --%s"YELLOW"%s%s%s%s%s%s "GRAY)
1354 #define COLOR_FORMAT_STRING_BOOL (WHITE"  %s --%s%s%s%s%s%s%s "GRAY)
1355
1356 #define LINE_START 8
1357 #define PADDING_SPACES 25
1358 #ifdef WIN32
1359 #   define OPTION_VALUE_SEP "="
1360 #else
1361 #   define OPTION_VALUE_SEP " "
1362 #endif
1363     char psz_spaces_text[PADDING_SPACES+LINE_START+1];
1364     char psz_spaces_longtext[LINE_START+3];
1365     char psz_format[sizeof(COLOR_FORMAT_STRING)];
1366     char psz_format_bool[sizeof(COLOR_FORMAT_STRING_BOOL)];
1367     char psz_buffer[10000];
1368     char psz_short[4];
1369     int i_width = ConsoleWidth() - (PADDING_SPACES+LINE_START+1);
1370     int i_width_description = i_width + PADDING_SPACES - 1;
1371     bool b_advanced    = var_InheritBool( p_this, "advanced" );
1372     bool b_description = var_InheritBool( p_this, "help-verbose" );
1373     bool b_description_hack;
1374     bool b_color       = var_InheritBool( p_this, "color" );
1375     bool b_has_advanced = false;
1376     bool b_found       = false;
1377     int  i_only_advanced = 0; /* Number of modules ignored because they
1378                                * only have advanced options */
1379     bool b_strict = psz_search && *psz_search == '=';
1380     if( b_strict ) psz_search++;
1381
1382     memset( psz_spaces_text, ' ', PADDING_SPACES+LINE_START );
1383     psz_spaces_text[PADDING_SPACES+LINE_START] = '\0';
1384     memset( psz_spaces_longtext, ' ', LINE_START+2 );
1385     psz_spaces_longtext[LINE_START+2] = '\0';
1386 #ifndef WIN32
1387     if( !isatty( 1 ) )
1388 #endif
1389         b_color = false; // don't put color control codes in a .txt file
1390
1391     if( b_color )
1392     {
1393         strcpy( psz_format, COLOR_FORMAT_STRING );
1394         strcpy( psz_format_bool, COLOR_FORMAT_STRING_BOOL );
1395     }
1396     else
1397     {
1398         strcpy( psz_format, FORMAT_STRING );
1399         strcpy( psz_format_bool, FORMAT_STRING );
1400     }
1401
1402     /* List all modules */
1403     module_t **list = module_list_get (NULL);
1404     if (!list)
1405         return;
1406
1407     /* Ugly hack to make sure that the help options always come first
1408      * (part 1) */
1409     if( !psz_search )
1410         Usage( p_this, "help" );
1411
1412     /* Enumerate the config for each module */
1413     for (size_t i = 0; list[i]; i++)
1414     {
1415         bool b_help_module;
1416         module_t *p_parser = list[i];
1417         module_config_t *p_item = NULL;
1418         module_config_t *p_section = NULL;
1419         module_config_t *p_end = p_parser->p_config + p_parser->confsize;
1420
1421         if( psz_search &&
1422             ( b_strict ? strcmp( psz_search, p_parser->psz_object_name )
1423                        : !strstr( p_parser->psz_object_name, psz_search ) ) )
1424         {
1425             char *const *pp_shortcut = p_parser->pp_shortcuts;
1426             while( *pp_shortcut )
1427             {
1428                 if( b_strict ? !strcmp( psz_search, *pp_shortcut )
1429                              : !!strstr( *pp_shortcut, psz_search ) )
1430                     break;
1431                 pp_shortcut ++;
1432             }
1433             if( !*pp_shortcut )
1434                 continue;
1435         }
1436
1437         /* Ignore modules without config options */
1438         if( !p_parser->i_config_items )
1439         {
1440             continue;
1441         }
1442
1443         b_help_module = !strcmp( "help", p_parser->psz_object_name );
1444         /* Ugly hack to make sure that the help options always come first
1445          * (part 2) */
1446         if( !psz_search && b_help_module )
1447             continue;
1448
1449         /* Ignore modules with only advanced config options if requested */
1450         if( !b_advanced )
1451         {
1452             for( p_item = p_parser->p_config;
1453                  p_item < p_end;
1454                  p_item++ )
1455             {
1456                 if( (p_item->i_type & CONFIG_ITEM) &&
1457                     !p_item->b_advanced && !p_item->b_removed ) break;
1458             }
1459
1460             if( p_item == p_end )
1461             {
1462                 i_only_advanced++;
1463                 continue;
1464             }
1465         }
1466
1467         b_found = true;
1468
1469         /* Print name of module */
1470         if( strcmp( "main", p_parser->psz_object_name ) )
1471         {
1472             if( b_color )
1473                 utf8_fprintf( stdout, "\n " GREEN "%s" GRAY " (%s)\n",
1474                               module_gettext( p_parser, p_parser->psz_longname ),
1475                               p_parser->psz_object_name );
1476             else
1477                 utf8_fprintf( stdout, "\n %s\n",
1478                               module_gettext(p_parser, p_parser->psz_longname ) );
1479         }
1480         if( p_parser->psz_help )
1481         {
1482             if( b_color )
1483                 utf8_fprintf( stdout, CYAN" %s\n"GRAY,
1484                               module_gettext( p_parser, p_parser->psz_help ) );
1485             else
1486                 utf8_fprintf( stdout, " %s\n",
1487                               module_gettext( p_parser, p_parser->psz_help ) );
1488         }
1489
1490         /* Print module options */
1491         for( p_item = p_parser->p_config;
1492              p_item < p_end;
1493              p_item++ )
1494         {
1495             char *psz_text, *psz_spaces = psz_spaces_text;
1496             const char *psz_bra = NULL, *psz_type = NULL, *psz_ket = NULL;
1497             const char *psz_suf = "", *psz_prefix = NULL;
1498             signed int i;
1499             size_t i_cur_width;
1500
1501             /* Skip removed options */
1502             if( p_item->b_removed )
1503             {
1504                 continue;
1505             }
1506             /* Skip advanced options if requested */
1507             if( p_item->b_advanced && !b_advanced )
1508             {
1509                 b_has_advanced = true;
1510                 continue;
1511             }
1512
1513             switch( p_item->i_type )
1514             {
1515             case CONFIG_HINT_CATEGORY:
1516             case CONFIG_HINT_USAGE:
1517                 if( !strcmp( "main", p_parser->psz_object_name ) )
1518                 {
1519                     if( b_color )
1520                         utf8_fprintf( stdout, GREEN "\n %s\n" GRAY,
1521                                       module_gettext( p_parser, p_item->psz_text ) );
1522                     else
1523                         utf8_fprintf( stdout, "\n %s\n",
1524                                       module_gettext( p_parser, p_item->psz_text ) );
1525                 }
1526                 if( b_description && p_item->psz_longtext
1527                  && *p_item->psz_longtext )
1528                 {
1529                     if( b_color )
1530                         utf8_fprintf( stdout, CYAN " %s\n" GRAY,
1531                                       module_gettext( p_parser, p_item->psz_longtext ) );
1532                     else
1533                         utf8_fprintf( stdout, " %s\n",
1534                                       module_gettext( p_parser, p_item->psz_longtext ) );
1535                 }
1536                 break;
1537
1538             case CONFIG_HINT_SUBCATEGORY:
1539                 if( strcmp( "main", p_parser->psz_object_name ) )
1540                     break;
1541             case CONFIG_SECTION:
1542                 p_section = p_item;
1543                 break;
1544
1545             case CONFIG_ITEM_STRING:
1546             case CONFIG_ITEM_FILE:
1547             case CONFIG_ITEM_DIRECTORY:
1548             case CONFIG_ITEM_MODULE: /* We could also have "=<" here */
1549             case CONFIG_ITEM_MODULE_CAT:
1550             case CONFIG_ITEM_MODULE_LIST:
1551             case CONFIG_ITEM_MODULE_LIST_CAT:
1552             case CONFIG_ITEM_FONT:
1553             case CONFIG_ITEM_PASSWORD:
1554                 print_help_section( p_parser, p_section, b_color,
1555                                     b_description );
1556                 p_section = NULL;
1557                 psz_bra = OPTION_VALUE_SEP "<";
1558                 psz_type = _("string");
1559                 psz_ket = ">";
1560
1561                 if( p_item->ppsz_list )
1562                 {
1563                     psz_bra = OPTION_VALUE_SEP "{";
1564                     psz_type = psz_buffer;
1565                     psz_buffer[0] = '\0';
1566                     for( i = 0; p_item->ppsz_list[i]; i++ )
1567                     {
1568                         if( i ) strcat( psz_buffer, "," );
1569                         strcat( psz_buffer, p_item->ppsz_list[i] );
1570                     }
1571                     psz_ket = "}";
1572                 }
1573                 break;
1574             case CONFIG_ITEM_INTEGER:
1575             case CONFIG_ITEM_KEY: /* FIXME: do something a bit more clever */
1576                 print_help_section( p_parser, p_section, b_color,
1577                                     b_description );
1578                 p_section = NULL;
1579                 psz_bra = OPTION_VALUE_SEP "<";
1580                 psz_type = _("integer");
1581                 psz_ket = ">";
1582
1583                 if( p_item->min.i || p_item->max.i )
1584                 {
1585                     sprintf( psz_buffer, "%s [%i .. %i]", psz_type,
1586                              p_item->min.i, p_item->max.i );
1587                     psz_type = psz_buffer;
1588                 }
1589
1590                 if( p_item->i_list )
1591                 {
1592                     psz_bra = OPTION_VALUE_SEP "{";
1593                     psz_type = psz_buffer;
1594                     psz_buffer[0] = '\0';
1595                     for( i = 0; p_item->ppsz_list_text[i]; i++ )
1596                     {
1597                         if( i ) strcat( psz_buffer, ", " );
1598                         sprintf( psz_buffer + strlen(psz_buffer), "%i (%s)",
1599                                  p_item->pi_list[i],
1600                                  module_gettext( p_parser, p_item->ppsz_list_text[i] ) );
1601                     }
1602                     psz_ket = "}";
1603                 }
1604                 break;
1605             case CONFIG_ITEM_FLOAT:
1606                 print_help_section( p_parser, p_section, b_color,
1607                                     b_description );
1608                 p_section = NULL;
1609                 psz_bra = OPTION_VALUE_SEP "<";
1610                 psz_type = _("float");
1611                 psz_ket = ">";
1612                 if( p_item->min.f || p_item->max.f )
1613                 {
1614                     sprintf( psz_buffer, "%s [%f .. %f]", psz_type,
1615                              p_item->min.f, p_item->max.f );
1616                     psz_type = psz_buffer;
1617                 }
1618                 break;
1619             case CONFIG_ITEM_BOOL:
1620                 print_help_section( p_parser, p_section, b_color,
1621                                     b_description );
1622                 p_section = NULL;
1623                 psz_bra = ""; psz_type = ""; psz_ket = "";
1624                 if( !b_help_module )
1625                 {
1626                     psz_suf = p_item->value.i ? _(" (default enabled)") :
1627                                                 _(" (default disabled)");
1628                 }
1629                 break;
1630             }
1631
1632             if( !psz_type )
1633             {
1634                 continue;
1635             }
1636
1637             /* Add short option if any */
1638             if( p_item->i_short )
1639             {
1640                 sprintf( psz_short, "-%c,", p_item->i_short );
1641             }
1642             else
1643             {
1644                 strcpy( psz_short, "   " );
1645             }
1646
1647             i = PADDING_SPACES - strlen( p_item->psz_name )
1648                  - strlen( psz_bra ) - strlen( psz_type )
1649                  - strlen( psz_ket ) - 1;
1650
1651             if( p_item->i_type == CONFIG_ITEM_BOOL && !b_help_module )
1652             {
1653                 psz_prefix =  ", --no-";
1654                 i -= strlen( p_item->psz_name ) + strlen( psz_prefix );
1655             }
1656
1657             if( i < 0 )
1658             {
1659                 psz_spaces[0] = '\n';
1660                 i = 0;
1661             }
1662             else
1663             {
1664                 psz_spaces[i] = '\0';
1665             }
1666
1667             if( p_item->i_type == CONFIG_ITEM_BOOL && !b_help_module )
1668             {
1669                 utf8_fprintf( stdout, psz_format_bool, psz_short,
1670                               p_item->psz_name, psz_prefix, p_item->psz_name,
1671                               psz_bra, psz_type, psz_ket, psz_spaces );
1672             }
1673             else
1674             {
1675                 utf8_fprintf( stdout, psz_format, psz_short, p_item->psz_name,
1676                          "", "", psz_bra, psz_type, psz_ket, psz_spaces );
1677             }
1678
1679             psz_spaces[i] = ' ';
1680
1681             /* We wrap the rest of the output */
1682             sprintf( psz_buffer, "%s%s", module_gettext( p_parser, p_item->psz_text ),
1683                      psz_suf );
1684             b_description_hack = b_description;
1685
1686  description:
1687             psz_text = psz_buffer;
1688             i_cur_width = b_description && !b_description_hack
1689                           ? i_width_description
1690                           : i_width;
1691             while( *psz_text )
1692             {
1693                 char *psz_parser, *psz_word;
1694                 size_t i_end = strlen( psz_text );
1695
1696                 /* If the remaining text fits in a line, print it. */
1697                 if( i_end <= i_cur_width )
1698                 {
1699                     if( b_color )
1700                     {
1701                         if( !b_description || b_description_hack )
1702                             utf8_fprintf( stdout, BLUE"%s\n"GRAY, psz_text );
1703                         else
1704                             utf8_fprintf( stdout, "%s\n", psz_text );
1705                     }
1706                     else
1707                     {
1708                         utf8_fprintf( stdout, "%s\n", psz_text );
1709                     }
1710                     break;
1711                 }
1712
1713                 /* Otherwise, eat as many words as possible */
1714                 psz_parser = psz_text;
1715                 do
1716                 {
1717                     psz_word = psz_parser;
1718                     psz_parser = strchr( psz_word, ' ' );
1719                     /* If no space was found, we reached the end of the text
1720                      * block; otherwise, we skip the space we just found. */
1721                     psz_parser = psz_parser ? psz_parser + 1
1722                                             : psz_text + i_end;
1723
1724                 } while( (size_t)(psz_parser - psz_text) <= i_cur_width );
1725
1726                 /* We cut a word in one of these cases:
1727                  *  - it's the only word in the line and it's too long.
1728                  *  - we used less than 80% of the width and the word we are
1729                  *    going to wrap is longer than 40% of the width, and even
1730                  *    if the word would have fit in the next line. */
1731                 if( psz_word == psz_text
1732              || ( (size_t)(psz_word - psz_text) < 80 * i_cur_width / 100
1733              && (size_t)(psz_parser - psz_word) > 40 * i_cur_width / 100 ) )
1734                 {
1735                     char c = psz_text[i_cur_width];
1736                     psz_text[i_cur_width] = '\0';
1737                     if( b_color )
1738                     {
1739                         if( !b_description || b_description_hack )
1740                             utf8_fprintf( stdout, BLUE"%s\n%s"GRAY,
1741                                           psz_text, psz_spaces );
1742                         else
1743                             utf8_fprintf( stdout, "%s\n%s",
1744                                           psz_text, psz_spaces );
1745                     }
1746                     else
1747                     {
1748                         utf8_fprintf( stdout, "%s\n%s", psz_text, psz_spaces );
1749                     }
1750                     psz_text += i_cur_width;
1751                     psz_text[0] = c;
1752                 }
1753                 else
1754                 {
1755                     psz_word[-1] = '\0';
1756                     if( b_color )
1757                     {
1758                         if( !b_description || b_description_hack )
1759                             utf8_fprintf( stdout, BLUE"%s\n%s"GRAY,
1760                                           psz_text, psz_spaces );
1761                         else
1762                             utf8_fprintf( stdout, "%s\n%s",
1763                                           psz_text, psz_spaces );
1764                     }
1765                     else
1766                     {
1767                         utf8_fprintf( stdout, "%s\n%s", psz_text, psz_spaces );
1768                     }
1769                     psz_text = psz_word;
1770                 }
1771             }
1772
1773             if( b_description_hack && p_item->psz_longtext
1774              && *p_item->psz_longtext )
1775             {
1776                 sprintf( psz_buffer, "%s%s",
1777                          module_gettext( p_parser, p_item->psz_longtext ),
1778                          psz_suf );
1779                 b_description_hack = false;
1780                 psz_spaces = psz_spaces_longtext;
1781                 utf8_fprintf( stdout, "%s", psz_spaces );
1782                 goto description;
1783             }
1784         }
1785     }
1786
1787     if( b_has_advanced )
1788     {
1789         if( b_color )
1790             utf8_fprintf( stdout, "\n" WHITE "%s" GRAY " %s\n", _( "Note:" ),
1791            _( "add --advanced to your command line to see advanced options."));
1792         else
1793             utf8_fprintf( stdout, "\n%s %s\n", _( "Note:" ),
1794            _( "add --advanced to your command line to see advanced options."));
1795     }
1796
1797     if( i_only_advanced > 0 )
1798     {
1799         if( b_color )
1800         {
1801             utf8_fprintf( stdout, "\n" WHITE "%s" GRAY " ", _( "Note:" ) );
1802             utf8_fprintf( stdout, _( "%d module(s) were not displayed because they only have advanced options.\n" ), i_only_advanced );
1803         }
1804         else
1805         {
1806             utf8_fprintf( stdout, "\n%s ", _( "Note:" ) );
1807             utf8_fprintf( stdout, _( "%d module(s) were not displayed because they only have advanced options.\n" ), i_only_advanced );
1808         }
1809     }
1810     else if( !b_found )
1811     {
1812         if( b_color )
1813             utf8_fprintf( stdout, "\n" WHITE "%s" GRAY "\n",
1814                        _( "No matching module found. Use --list or " \
1815                           "--list-verbose to list available modules." ) );
1816         else
1817             utf8_fprintf( stdout, "\n%s\n",
1818                        _( "No matching module found. Use --list or " \
1819                           "--list-verbose to list available modules." ) );
1820     }
1821
1822     /* Release the module list */
1823     module_list_free (list);
1824 }
1825
1826 /*****************************************************************************
1827  * ListModules: list the available modules with their description
1828  *****************************************************************************
1829  * Print a list of all available modules (builtins and plugins) and a short
1830  * description for each one.
1831  *****************************************************************************/
1832 static void ListModules( libvlc_int_t *p_this, bool b_verbose )
1833 {
1834     module_t *p_parser;
1835
1836     bool b_color = var_InheritBool( p_this, "color" );
1837
1838 #ifdef WIN32
1839     ShowConsole( true );
1840     b_color = false; // don't put color control codes in a .txt file
1841 #else
1842     if( !isatty( 1 ) )
1843         b_color = false;
1844 #endif
1845
1846     /* List all modules */
1847     module_t **list = module_list_get (NULL);
1848
1849     /* Enumerate each module */
1850     for (size_t j = 0; (p_parser = list[j]) != NULL; j++)
1851     {
1852         if( b_color )
1853             utf8_fprintf( stdout, GREEN"  %-22s "WHITE"%s\n"GRAY,
1854                           p_parser->psz_object_name,
1855                           module_gettext( p_parser, p_parser->psz_longname ) );
1856         else
1857             utf8_fprintf( stdout, "  %-22s %s\n",
1858                           p_parser->psz_object_name,
1859                           module_gettext( p_parser, p_parser->psz_longname ) );
1860
1861         if( b_verbose )
1862         {
1863             char *const *pp_shortcut = p_parser->pp_shortcuts;
1864             while( *pp_shortcut )
1865             {
1866                 if( strcmp( *pp_shortcut, p_parser->psz_object_name ) )
1867                 {
1868                     if( b_color )
1869                         utf8_fprintf( stdout, CYAN"   s %s\n"GRAY,
1870                                       *pp_shortcut );
1871                     else
1872                         utf8_fprintf( stdout, "   s %s\n",
1873                                       *pp_shortcut );
1874                 }
1875                 pp_shortcut++;
1876             }
1877             if( p_parser->psz_capability )
1878             {
1879                 if( b_color )
1880                     utf8_fprintf( stdout, MAGENTA"   c %s (%d)\n"GRAY,
1881                                   p_parser->psz_capability,
1882                                   p_parser->i_score );
1883                 else
1884                     utf8_fprintf( stdout, "   c %s (%d)\n",
1885                                   p_parser->psz_capability,
1886                                   p_parser->i_score );
1887             }
1888         }
1889     }
1890     module_list_free (list);
1891
1892 #ifdef WIN32        /* Pause the console because it's destroyed when we exit */
1893     PauseConsole();
1894 #endif
1895 }
1896
1897 /*****************************************************************************
1898  * Version: print complete program version
1899  *****************************************************************************
1900  * Print complete program version and build number.
1901  *****************************************************************************/
1902 static void Version( void )
1903 {
1904     extern const char psz_vlc_changeset[];
1905 #ifdef WIN32
1906     ShowConsole( true );
1907 #endif
1908
1909     utf8_fprintf( stdout, _("VLC version %s (%s)\n"), VLC_Version(),
1910                   psz_vlc_changeset );
1911     utf8_fprintf( stdout, _("Compiled by %s on %s (%s)\n"),
1912              VLC_CompileBy(), VLC_CompileHost(), __DATE__" "__TIME__ );
1913     utf8_fprintf( stdout, _("Compiler: %s\n"), VLC_Compiler() );
1914     utf8_fprintf( stdout, "%s", LICENSE_MSG );
1915
1916 #ifdef WIN32        /* Pause the console because it's destroyed when we exit */
1917     PauseConsole();
1918 #endif
1919 }
1920
1921 /*****************************************************************************
1922  * ShowConsole: On Win32, create an output console for debug messages
1923  *****************************************************************************
1924  * This function is useful only on Win32.
1925  *****************************************************************************/
1926 #ifdef WIN32 /*  */
1927 static void ShowConsole( bool b_dofile )
1928 {
1929 #   ifndef UNDER_CE
1930     FILE *f_help = NULL;
1931
1932     if( getenv( "PWD" ) && getenv( "PS1" ) ) return; /* cygwin shell */
1933
1934     AllocConsole();
1935     /* Use the ANSI code page (e.g. Windows-1252) as expected by the LibVLC
1936      * Unicode/locale subsystem. By default, we have the obsolecent OEM code
1937      * page (e.g. CP437 or CP850). */
1938     SetConsoleOutputCP (GetACP ());
1939     SetConsoleTitle ("VLC media player version "PACKAGE_VERSION);
1940
1941     freopen( "CONOUT$", "w", stderr );
1942     freopen( "CONIN$", "r", stdin );
1943
1944     if( b_dofile && (f_help = fopen( "vlc-help.txt", "wt" )) )
1945     {
1946         fclose( f_help );
1947         freopen( "vlc-help.txt", "wt", stdout );
1948         utf8_fprintf( stderr, _("\nDumped content to vlc-help.txt file.\n") );
1949     }
1950     else freopen( "CONOUT$", "w", stdout );
1951
1952 #   endif
1953 }
1954 #endif
1955
1956 /*****************************************************************************
1957  * PauseConsole: On Win32, wait for a key press before closing the console
1958  *****************************************************************************
1959  * This function is useful only on Win32.
1960  *****************************************************************************/
1961 #ifdef WIN32 /*  */
1962 static void PauseConsole( void )
1963 {
1964 #   ifndef UNDER_CE
1965
1966     if( getenv( "PWD" ) && getenv( "PS1" ) ) return; /* cygwin shell */
1967
1968     utf8_fprintf( stderr, _("\nPress the RETURN key to continue...\n") );
1969     getchar();
1970     fclose( stdout );
1971
1972 #   endif
1973 }
1974 #endif
1975
1976 /*****************************************************************************
1977  * ConsoleWidth: Return the console width in characters
1978  *****************************************************************************
1979  * We use the stty shell command to get the console width; if this fails or
1980  * if the width is less than 80, we default to 80.
1981  *****************************************************************************/
1982 static int ConsoleWidth( void )
1983 {
1984     unsigned i_width = 80;
1985
1986 #ifndef WIN32
1987     FILE *file = popen( "stty size 2>/dev/null", "r" );
1988     if (file != NULL)
1989     {
1990         if (fscanf (file, "%*u %u", &i_width) <= 0)
1991             i_width = 80;
1992         pclose( file );
1993     }
1994 #elif !defined (UNDER_CE)
1995     CONSOLE_SCREEN_BUFFER_INFO buf;
1996
1997     if (GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &buf))
1998         i_width = buf.dwSize.X;
1999 #endif
2000
2001     return i_width;
2002 }
2003
2004 #include <vlc_avcodec.h>
2005
2006 void vlc_avcodec_mutex (bool acquire)
2007 {
2008     static vlc_mutex_t lock = VLC_STATIC_MUTEX;
2009
2010     if (acquire)
2011         vlc_mutex_lock (&lock);
2012     else
2013         vlc_mutex_unlock (&lock);
2014 }