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 #ifdef WIN32                       /* optind, getopt(), included in unistd.h */
  61 #   include "extras/getopt.h"
  62 #endif
  63
  64 #ifdef HAVE_LOCALE_H
  65 #   include <locale.h>
  66 #endif
  67
  68 #ifdef HAVE_DBUS
  69 /* used for one-instance mode */
  70 #   include <dbus/dbus.h>
  71 #endif
  72
  73 #include <vlc_playlist.h>
  74 #include <vlc_interface.h>
  75
  76 #include <vlc_aout.h>
  77 #include "audio_output/aout_internal.h"
  78
  79 #include <vlc_charset.h>
  80 #include <vlc_cpu.h>
  81 #include <vlc_url.h>
  82
  83 #include "libvlc.h"
  84
  85 #include "playlist/playlist_internal.h"
  86
  87 #include <vlc_vlm.h>
  88
  89 #ifdef __APPLE__
  90 # include <libkern/OSAtomic.h>
  91 #endif
  92
  93 #include <assert.h>
  94
  95 /*****************************************************************************
  96  * The evil global variables. We handle them with care, don't worry.
  97  *****************************************************************************/
  98 static unsigned          i_instances = 0;
  99
 100 #ifndef WIN32
 101 static bool b_daemon = false;
 102 #endif
 103
 104 #undef vlc_gc_init
 105 #undef vlc_hold
 106 #undef vlc_release
 107
 108 /**
 109  * Atomically set the reference count to 1.
 110  * @param p_gc reference counted object
 111  * @param pf_destruct destruction calback
 112  * @return p_gc.
 113  */
 114 void *vlc_gc_init (gc_object_t *p_gc, void (*pf_destruct) (gc_object_t *))
 115 {
 116     /* There is no point in using the GC if there is no destructor... */
 117     assert (pf_destruct);
 118     p_gc->pf_destructor = pf_destruct;
 119
 120     p_gc->refs = 1;
 121 #if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
 122     __sync_synchronize ();
 123 #elif defined (WIN32) && defined (__GNUC__)
 124 #elif defined(__APPLE__)
 125     OSMemoryBarrier ();
 126 #else
 127     /* Nobody else can possibly lock the spin - it's there as a barrier */
 128     vlc_spin_init (&p_gc->spin);
 129     vlc_spin_lock (&p_gc->spin);
 130     vlc_spin_unlock (&p_gc->spin);
 131 #endif
 132     return p_gc;
 133 }
 134
 135 /**
 136  * Atomically increment the reference count.
 137  * @param p_gc reference counted object
 138  * @return p_gc.
 139  */
 140 void *vlc_hold (gc_object_t * p_gc)
 141 {
 142     uintptr_t refs;
 143     assert( p_gc );
 144     assert ((((uintptr_t)&p_gc->refs) & (sizeof (void *) - 1)) == 0); /* alignment */
 145
 146 #if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
 147     refs = __sync_add_and_fetch (&p_gc->refs, 1);
 148 #elif defined (WIN64)
 149     refs = InterlockedIncrement64 (&p_gc->refs);
 150 #elif defined (WIN32)
 151     refs = InterlockedIncrement (&p_gc->refs);
 152 #elif defined(__APPLE__)
 153     refs = OSAtomicIncrement32Barrier((int*)&p_gc->refs);
 154 #else
 155     vlc_spin_lock (&p_gc->spin);
 156     refs = ++p_gc->refs;
 157     vlc_spin_unlock (&p_gc->spin);
 158 #endif
 159     assert (refs != 1); /* there had to be a reference already */
 160     return p_gc;
 161 }
 162
 163 /**
 164  * Atomically decrement the reference count and, if it reaches zero, destroy.
 165  * @param p_gc reference counted object.
 166  */
 167 void vlc_release (gc_object_t *p_gc)
 168 {
 169     unsigned refs;
 170
 171     assert( p_gc );
 172     assert ((((uintptr_t)&p_gc->refs) & (sizeof (void *) - 1)) == 0); /* alignment */
 173
 174 #if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
 175     refs = __sync_sub_and_fetch (&p_gc->refs, 1);
 176 #elif defined (WIN64)
 177     refs = InterlockedDecrement64 (&p_gc->refs);
 178 #elif defined (WIN32)
 179     refs = InterlockedDecrement (&p_gc->refs);
 180 #elif defined(__APPLE__)
 181     refs = OSAtomicDecrement32Barrier((int*)&p_gc->refs);
 182 #else
 183     vlc_spin_lock (&p_gc->spin);
 184     refs = --p_gc->refs;
 185     vlc_spin_unlock (&p_gc->spin);
 186 #endif
 187
 188     assert (refs != (uintptr_t)(-1)); /* reference underflow?! */
 189     if (refs == 0)
 190     {
 191 #if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
 192 #elif defined (WIN32) && defined (__GNUC__)
 193 #elif defined(__APPLE__)
 194 #else
 195         vlc_spin_destroy (&p_gc->spin);
 196 #endif
 197         p_gc->pf_destructor (p_gc);
 198     }
 199 }
 200
 201 /*****************************************************************************
 202  * Local prototypes
 203  *****************************************************************************/
 204 #if defined( ENABLE_NLS ) && (defined (__APPLE__) || defined (WIN32)) && \
 205     ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
 206 static void SetLanguage   ( char const * );
 207 #endif
 208 static int  GetFilenames  ( libvlc_int_t *, int, const char *[] );
 209 static void Help          ( libvlc_int_t *, char const *psz_help_name );
 210 static void Usage         ( libvlc_int_t *, char const *psz_search );
 211 static void ListModules   ( libvlc_int_t *, bool );
 212 static void Version       ( void );
 213
 214 #ifdef WIN32
 215 static void ShowConsole   ( bool );
 216 static void PauseConsole  ( void );
 217 #endif
 218 static int  ConsoleWidth  ( void );
 219
 220 static vlc_mutex_t global_lock = VLC_STATIC_MUTEX;
 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( 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     msg_Create( p_libvlc );
 259
 260     /* Find verbosity from VLC_VERBOSE environment variable */
 261     psz_env = getenv( "VLC_VERBOSE" );
 262     if( psz_env != NULL )
 263         priv->i_verbose = atoi( psz_env );
 264     else
 265         priv->i_verbose = 3;
 266 #if defined( HAVE_ISATTY ) && !defined( WIN32 )
 267     priv->b_color = isatty( 2 ); /* 2 is for stderr */
 268 #else
 269     priv->b_color = false;
 270 #endif
 271
 272     /* Initialize mutexes */
 273     vlc_mutex_init( &priv->timer_lock );
 274
 275     return p_libvlc;
 276 }
 277
 278 /**
 279  * Initialize a libvlc instance
 280  * This function initializes a previously allocated libvlc instance:
 281  *  - CPU detection
 282  *  - gettext initialization
 283  *  - message queue, module bank and playlist initialization
 284  *  - configuration and commandline parsing
 285  */
 286 int libvlc_InternalInit( libvlc_int_t *p_libvlc, int i_argc,
 287                          const char *ppsz_argv[] )
 288 {
 289     libvlc_priv_t *priv = libvlc_priv (p_libvlc);
 290     char *       p_tmp = NULL;
 291     char *       psz_modules = NULL;
 292     char *       psz_parser = NULL;
 293     char *       psz_control = NULL;
 294     bool   b_exit = false;
 295     int          i_ret = VLC_EEXIT;
 296     playlist_t  *p_playlist = NULL;
 297     char        *psz_val;
 298 #if defined( ENABLE_NLS ) \
 299      && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
 300 # if defined (WIN32) || defined (__APPLE__)
 301     char *       psz_language;
 302 #endif
 303 #endif
 304
 305     /* System specific initialization code */
 306     system_Init( p_libvlc, &i_argc, ppsz_argv );
 307
 308     /*
 309      * Support for gettext
 310      */
 311     vlc_bindtextdomain (PACKAGE_NAME);
 312
 313     /* Initialize the module bank and load the configuration of the
 314      * main module. We need to do this at this stage to be able to display
 315      * a short help if required by the user. (short help == main module
 316      * options) */
 317     module_InitBank( p_libvlc );
 318
 319     if( config_LoadCmdLine( p_libvlc, &i_argc, ppsz_argv, true ) )
 320     {
 321         module_EndBank( p_libvlc, false );
 322         return VLC_EGENERIC;
 323     }
 324
 325     priv->i_verbose = var_InheritInteger( p_libvlc, "verbose" );
 326     /* Announce who we are - Do it only for first instance ? */
 327     msg_Dbg( p_libvlc, "%s", COPYRIGHT_MESSAGE );
 328     msg_Dbg( p_libvlc, "libvlc was configured with %s", CONFIGURE_LINE );
 329     /*xgettext: Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
 330     msg_Dbg( p_libvlc, "translation test: code is \"%s\"", _("C") );
 331
 332     /* Check for short help option */
 333     if( var_InheritBool( p_libvlc, "help" ) )
 334     {
 335         Help( p_libvlc, "help" );
 336         b_exit = true;
 337         i_ret = VLC_EEXITSUCCESS;
 338     }
 339     /* Check for version option */
 340     else if( var_InheritBool( p_libvlc, "version" ) )
 341     {
 342         Version();
 343         b_exit = true;
 344         i_ret = VLC_EEXITSUCCESS;
 345     }
 346
 347     /* Check for daemon mode */
 348 #ifndef WIN32
 349     if( var_InheritBool( p_libvlc, "daemon" ) )
 350     {
 351 #ifdef HAVE_DAEMON
 352         char *psz_pidfile = NULL;
 353
 354         if( daemon( 1, 0) != 0 )
 355         {
 356             msg_Err( p_libvlc, "Unable to fork vlc to daemon mode" );
 357             b_exit = true;
 358         }
 359         b_daemon = true;
 360
 361         /* lets check if we need to write the pidfile */
 362         psz_pidfile = var_CreateGetNonEmptyString( p_libvlc, "pidfile" );
 363         if( psz_pidfile != NULL )
 364         {
 365             FILE *pidfile;
 366             pid_t i_pid = getpid ();
 367             msg_Dbg( p_libvlc, "PID is %d, writing it to %s",
 368                                i_pid, psz_pidfile );
 369             pidfile = utf8_fopen( psz_pidfile,"w" );
 370             if( pidfile != NULL )
 371             {
 372                 utf8_fprintf( pidfile, "%d", (int)i_pid );
 373                 fclose( pidfile );
 374             }
 375             else
 376             {
 377                 msg_Err( p_libvlc, "cannot open pid file for writing: %s (%m)",
 378                          psz_pidfile );
 379             }
 380         }
 381         free( psz_pidfile );
 382
 383 #else
 384         pid_t i_pid;
 385
 386         if( ( i_pid = fork() ) < 0 )
 387         {
 388             msg_Err( p_libvlc, "unable to fork vlc to daemon mode" );
 389             b_exit = true;
 390         }
 391         else if( i_pid )
 392         {
 393             /* This is the parent, exit right now */
 394             msg_Dbg( p_libvlc, "closing parent process" );
 395             b_exit = true;
 396             i_ret = VLC_EEXITSUCCESS;
 397         }
 398         else
 399         {
 400             /* We are the child */
 401             msg_Dbg( p_libvlc, "daemon spawned" );
 402             close( STDIN_FILENO );
 403             close( STDOUT_FILENO );
 404             close( STDERR_FILENO );
 405
 406             b_daemon = true;
 407         }
 408 #endif
 409     }
 410 #endif
 411
 412     if( b_exit )
 413     {
 414         module_EndBank( p_libvlc, false );
 415         return i_ret;
 416     }
 417
 418     /* Check for translation config option */
 419 #if defined( ENABLE_NLS ) \
 420      && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
 421 # if defined (WIN32) || defined (__APPLE__)
 422     if( !var_InheritBool( p_libvlc, "ignore-config" ) )
 423         config_LoadConfigFile( p_libvlc, "main" );
 424     priv->i_verbose = var_InheritInteger( p_libvlc, "verbose" );
 425
 426     /* Check if the user specified a custom language */
 427     psz_language = var_CreateGetNonEmptyString( p_libvlc, "language" );
 428     if( psz_language && strcmp( psz_language, "auto" ) )
 429     {
 430         /* Reset the default domain */
 431         SetLanguage( psz_language );
 432
 433         /* Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
 434         msg_Dbg( p_libvlc, "translation test: code is \"%s\"", _("C") );
 435     }
 436     free( psz_language );
 437 # endif
 438 #endif
 439
 440     /*
 441      * Load the builtins and plugins into the module_bank.
 442      * We have to do it before config_Load*() because this also gets the
 443      * list of configuration options exported by each module and loads their
 444      * default values.
 445      */
 446     module_LoadPlugins( p_libvlc );
 447     if( p_libvlc->b_die )
 448     {
 449         b_exit = true;
 450     }
 451
 452     size_t module_count;
 453     module_t **list = module_list_get( &module_count );
 454     module_list_free( list );
 455     msg_Dbg( p_libvlc, "module bank initialized (%zu modules)", module_count );
 456
 457     /* Check for help on modules */
 458     if( (p_tmp = var_InheritString( p_libvlc, "module" )) )
 459     {
 460         Help( p_libvlc, p_tmp );
 461         free( p_tmp );
 462         b_exit = true;
 463         i_ret = VLC_EEXITSUCCESS;
 464     }
 465     /* Check for full help option */
 466     else if( var_InheritBool( p_libvlc, "full-help" ) )
 467     {
 468         var_Create( p_libvlc, "advanced", VLC_VAR_BOOL );
 469         var_SetBool( p_libvlc, "advanced", true );
 470         var_Create( p_libvlc, "help-verbose", VLC_VAR_BOOL );
 471         var_SetBool( p_libvlc, "help-verbose", true );
 472         Help( p_libvlc, "full-help" );
 473         b_exit = true;
 474         i_ret = VLC_EEXITSUCCESS;
 475     }
 476     /* Check for long help option */
 477     else if( var_InheritBool( p_libvlc, "longhelp" ) )
 478     {
 479         Help( p_libvlc, "longhelp" );
 480         b_exit = true;
 481         i_ret = VLC_EEXITSUCCESS;
 482     }
 483     /* Check for module list option */
 484     else if( var_InheritBool( p_libvlc, "list" ) )
 485     {
 486         ListModules( p_libvlc, false );
 487         b_exit = true;
 488         i_ret = VLC_EEXITSUCCESS;
 489     }
 490     else if( var_InheritBool( p_libvlc, "list-verbose" ) )
 491     {
 492         ListModules( p_libvlc, true );
 493         b_exit = true;
 494         i_ret = VLC_EEXITSUCCESS;
 495     }
 496
 497     /* Check for config file options */
 498     if( !var_InheritBool( p_libvlc, "ignore-config" ) )
 499     {
 500         if( var_InheritBool( p_libvlc, "reset-config" ) )
 501         {
 502             config_ResetAll( p_libvlc );
 503             config_SaveConfigFile( p_libvlc, NULL );
 504         }
 505     }
 506
 507     if( module_count <= 1)
 508     {
 509         msg_Err( p_libvlc, "No modules were found, refusing to start. Check "
 510                 "that you properly gave a module path with --plugin-path.");
 511         b_exit = true;
 512         i_ret = VLC_ENOITEM;
 513     }
 514
 515     if( b_exit )
 516     {
 517         module_EndBank( p_libvlc, true );
 518         return i_ret;
 519     }
 520
 521     /*
 522      * Override default configuration with config file settings
 523      */
 524     if( !var_InheritBool( p_libvlc, "ignore-config" ) )
 525         config_LoadConfigFile( p_libvlc, NULL );
 526
 527     /*
 528      * Override configuration with command line settings
 529      */
 530     if( config_LoadCmdLine( p_libvlc, &i_argc, ppsz_argv, false ) )
 531     {
 532 #ifdef WIN32
 533         ShowConsole( false );
 534         /* Pause the console because it's destroyed when we exit */
 535         fprintf( stderr, "The command line options couldn't be loaded, check "
 536                  "that they are valid.\n" );
 537         PauseConsole();
 538 #endif
 539         module_EndBank( p_libvlc, true );
 540         return VLC_EGENERIC;
 541     }
 542     priv->i_verbose = var_InheritInteger( p_libvlc, "verbose" );
 543
 544     /*
 545      * System specific configuration
 546      */
 547     system_Configure( p_libvlc, &i_argc, ppsz_argv );
 548
 549 /* FIXME: could be replaced by using Unix sockets */
 550 #ifdef HAVE_DBUS
 551     dbus_threads_init_default();
 552
 553     if( var_InheritBool( p_libvlc, "one-instance" )
 554     || ( var_InheritBool( p_libvlc, "one-instance-when-started-from-file" )
 555       && var_InheritBool( p_libvlc, "started-from-file" ) ) )
 556     {
 557         /* Initialise D-Bus interface, check for other instances */
 558         DBusConnection  *p_conn = NULL;
 559         DBusError       dbus_error;
 560
 561         dbus_error_init( &dbus_error );
 562
 563         /* connect to the session bus */
 564         p_conn = dbus_bus_get( DBUS_BUS_SESSION, &dbus_error );
 565         if( !p_conn )
 566         {
 567             msg_Err( p_libvlc, "Failed to connect to D-Bus session daemon: %s",
 568                     dbus_error.message );
 569             dbus_error_free( &dbus_error );
 570         }
 571         else
 572         {
 573             /* check if VLC is available on the bus
 574              * if not: D-Bus control is not enabled on the other
 575              * instance and we can't pass MRLs to it */
 576             DBusMessage *p_test_msg = NULL;
 577             DBusMessage *p_test_reply = NULL;
 578             p_test_msg =  dbus_message_new_method_call(
 579                     "org.mpris.vlc", "/",
 580                     "org.freedesktop.MediaPlayer", "Identity" );
 581             /* block until a reply arrives */
 582             p_test_reply = dbus_connection_send_with_reply_and_block(
 583                     p_conn, p_test_msg, -1, &dbus_error );
 584             dbus_message_unref( p_test_msg );
 585             if( p_test_reply == NULL )
 586             {
 587                 dbus_error_free( &dbus_error );
 588                 msg_Dbg( p_libvlc, "No Media Player is running. "
 589                         "Continuing normally." );
 590             }
 591             else
 592             {
 593                 int i_input;
 594                 DBusMessage* p_dbus_msg = NULL;
 595                 DBusMessageIter dbus_args;
 596                 DBusPendingCall* p_dbus_pending = NULL;
 597                 dbus_bool_t b_play;
 598
 599                 dbus_message_unref( p_test_reply );
 600                 msg_Warn( p_libvlc, "Another Media Player is running. Exiting");
 601
 602                 for( i_input = optind;i_input < i_argc;i_input++ )
 603                 {
 604                     msg_Dbg( p_libvlc, "Adds %s to the running Media Player",
 605                             ppsz_argv[i_input] );
 606
 607                     p_dbus_msg = dbus_message_new_method_call(
 608                             "org.mpris.vlc", "/TrackList",
 609                             "org.freedesktop.MediaPlayer", "AddTrack" );
 610
 611                     if ( NULL == p_dbus_msg )
 612                     {
 613                         msg_Err( p_libvlc, "D-Bus problem" );
 614                         system_End( p_libvlc );
 615                         exit( 1 );
 616                     }
 617
 618                     /* append MRLs */
 619                     dbus_message_iter_init_append( p_dbus_msg, &dbus_args );
 620                     if ( !dbus_message_iter_append_basic( &dbus_args,
 621                                 DBUS_TYPE_STRING, &ppsz_argv[i_input] ) )
 622                     {
 623                         dbus_message_unref( p_dbus_msg );
 624                         system_End( p_libvlc );
 625                         exit( 1 );
 626                     }
 627                     b_play = TRUE;
 628                     if( var_InheritBool( p_libvlc, "playlist-enqueue" ) )
 629                         b_play = FALSE;
 630                     if ( !dbus_message_iter_append_basic( &dbus_args,
 631                                 DBUS_TYPE_BOOLEAN, &b_play ) )
 632                     {
 633                         dbus_message_unref( p_dbus_msg );
 634                         system_End( p_libvlc );
 635                         exit( 1 );
 636                     }
 637
 638                     /* send message and get a handle for a reply */
 639                     if ( !dbus_connection_send_with_reply ( p_conn,
 640                                 p_dbus_msg, &p_dbus_pending, -1 ) )
 641                     {
 642                         msg_Err( p_libvlc, "D-Bus problem" );
 643                         dbus_message_unref( p_dbus_msg );
 644                         system_End( p_libvlc );
 645                         exit( 1 );
 646                     }
 647
 648                     if ( NULL == p_dbus_pending )
 649                     {
 650                         msg_Err( p_libvlc, "D-Bus problem" );
 651                         dbus_message_unref( p_dbus_msg );
 652                         system_End( p_libvlc );
 653                         exit( 1 );
 654                     }
 655                     dbus_connection_flush( p_conn );
 656                     dbus_message_unref( p_dbus_msg );
 657                     /* block until we receive a reply */
 658                     dbus_pending_call_block( p_dbus_pending );
 659                     dbus_pending_call_unref( p_dbus_pending );
 660                 } /* processes all command line MRLs */
 661
 662                 /* bye bye */
 663                 system_End( p_libvlc );
 664                 exit( 0 );
 665             }
 666         }
 667         /* we unreference the connection when we've finished with it */
 668         if( p_conn ) dbus_connection_unref( p_conn );
 669     }
 670 #endif
 671
 672     /*
 673      * Message queue options
 674      */
 675     char * psz_verbose_objects = var_CreateGetNonEmptyString( p_libvlc, "verbose-objects" );
 676     if( psz_verbose_objects )
 677     {
 678         char * psz_object, * iter = psz_verbose_objects;
 679         while( (psz_object = strsep( &iter, "," )) )
 680         {
 681             switch( psz_object[0] )
 682             {
 683                 printf("%s\n", psz_object+1);
 684                 case '+': msg_EnableObjectPrinting(p_libvlc, psz_object+1); break;
 685                 case '-': msg_DisableObjectPrinting(p_libvlc, psz_object+1); break;
 686                 default:
 687                     msg_Err( p_libvlc, "verbose-objects usage: \n"
 688                             "--verbose-objects=+printthatobject,"
 689                             "-dontprintthatone\n"
 690                             "(keyword 'all' to applies to all objects)");
 691                     free( psz_verbose_objects );
 692                     /* FIXME: leaks!!!! */
 693                     return VLC_EGENERIC;
 694             }
 695         }
 696         free( psz_verbose_objects );
 697     }
 698
 699     /* Last chance to set the verbosity. Once we start interfaces and other
 700      * threads, verbosity becomes read-only. */
 701     var_Create( p_libvlc, "verbose", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 702     if( var_InheritBool( p_libvlc, "quiet" ) )
 703     {
 704         var_SetInteger( p_libvlc, "verbose", -1 );
 705         priv->i_verbose = -1;
 706     }
 707     vlc_threads_setup( p_libvlc );
 708
 709     if( priv->b_color )
 710         priv->b_color = var_InheritBool( p_libvlc, "color" );
 711
 712     char p_capabilities[200];
 713 #define PRINT_CAPABILITY( capability, string )                              \
 714     if( vlc_CPU() & capability )                                            \
 715     {                                                                       \
 716         strncat( p_capabilities, string " ",                                \
 717                  sizeof(p_capabilities) - strlen(p_capabilities) );         \
 718         p_capabilities[sizeof(p_capabilities) - 1] = '\0';                  \
 719     }
 720     p_capabilities[0] = '\0';
 721
 722 #if defined( __i386__ ) || defined( __x86_64__ )
 723     if( !var_InheritBool( p_libvlc, "mmx" ) )
 724         cpu_flags &= ~CPU_CAPABILITY_MMX;
 725     if( !var_InheritBool( p_libvlc, "3dn" ) )
 726         cpu_flags &= ~CPU_CAPABILITY_3DNOW;
 727     if( !var_InheritBool( p_libvlc, "mmxext" ) )
 728         cpu_flags &= ~CPU_CAPABILITY_MMXEXT;
 729     if( !var_InheritBool( p_libvlc, "sse" ) )
 730         cpu_flags &= ~CPU_CAPABILITY_SSE;
 731     if( !var_InheritBool( p_libvlc, "sse2" ) )
 732         cpu_flags &= ~CPU_CAPABILITY_SSE2;
 733     if( !var_InheritBool( p_libvlc, "sse3" ) )
 734         cpu_flags &= ~CPU_CAPABILITY_SSE3;
 735     if( !var_InheritBool( p_libvlc, "ssse3" ) )
 736         cpu_flags &= ~CPU_CAPABILITY_SSSE3;
 737     if( !var_InheritBool( p_libvlc, "sse41" ) )
 738         cpu_flags &= ~CPU_CAPABILITY_SSE4_1;
 739     if( !var_InheritBool( p_libvlc, "sse42" ) )
 740         cpu_flags &= ~CPU_CAPABILITY_SSE4_2;
 741
 742     PRINT_CAPABILITY( CPU_CAPABILITY_MMX, "MMX" );
 743     PRINT_CAPABILITY( CPU_CAPABILITY_3DNOW, "3DNow!" );
 744     PRINT_CAPABILITY( CPU_CAPABILITY_MMXEXT, "MMXEXT" );
 745     PRINT_CAPABILITY( CPU_CAPABILITY_SSE, "SSE" );
 746     PRINT_CAPABILITY( CPU_CAPABILITY_SSE2, "SSE2" );
 747     PRINT_CAPABILITY( CPU_CAPABILITY_SSE3, "SSE3" );
 748     PRINT_CAPABILITY( CPU_CAPABILITY_SSSE3, "SSSE3" );
 749     PRINT_CAPABILITY( CPU_CAPABILITY_SSE4_1, "SSE4.1" );
 750     PRINT_CAPABILITY( CPU_CAPABILITY_SSE4_2, "SSE4.2" );
 751     PRINT_CAPABILITY( CPU_CAPABILITY_SSE4A,  "SSE4A" );
 752
 753 #elif defined( __powerpc__ ) || defined( __ppc__ ) || defined( __ppc64__ )
 754     if( !var_InheritBool( p_libvlc, "altivec" ) )
 755         cpu_flags &= ~CPU_CAPABILITY_ALTIVEC;
 756
 757     PRINT_CAPABILITY( CPU_CAPABILITY_ALTIVEC, "AltiVec" );
 758
 759 #elif defined( __arm__ )
 760     PRINT_CAPABILITY( CPU_CAPABILITY_NEON, "NEONv1" );
 761
 762 #endif
 763
 764 #if HAVE_FPU
 765     strncat( p_capabilities, "FPU ",
 766              sizeof(p_capabilities) - strlen( p_capabilities) );
 767     p_capabilities[sizeof(p_capabilities) - 1] = '\0';
 768 #endif
 769
 770     if (p_capabilities[0])
 771         msg_Dbg( p_libvlc, "CPU has capabilities %s", p_capabilities );
 772
 773     /*
 774      * Choose the best memcpy module
 775      */
 776     priv->p_memcpy_module = module_need( p_libvlc, "memcpy", "$memcpy", false );
 777     /* Avoid being called "memcpy":*/
 778     vlc_object_set_name( p_libvlc, "main" );
 779
 780     priv->b_stats = var_InheritBool( p_libvlc, "stats" );
 781     priv->i_timers = 0;
 782     priv->pp_timers = NULL;
 783
 784     priv->i_last_input_id = 0; /* Not very safe, should be removed */
 785
 786     /*
 787      * Initialize hotkey handling
 788      */
 789     vlc_InitActions( p_libvlc );
 790
 791     /* variables for signalling creation of new files */
 792     var_Create( p_libvlc, "snapshot-file", VLC_VAR_STRING );
 793     var_Create( p_libvlc, "record-file", VLC_VAR_STRING );
 794
 795     /* Initialize playlist and get commandline files */
 796     p_playlist = playlist_Create( VLC_OBJECT(p_libvlc) );
 797     if( !p_playlist )
 798     {
 799         msg_Err( p_libvlc, "playlist initialization failed" );
 800         if( priv->p_memcpy_module != NULL )
 801         {
 802             module_unneed( p_libvlc, priv->p_memcpy_module );
 803         }
 804         module_EndBank( p_libvlc, true );
 805         return VLC_EGENERIC;
 806     }
 807
 808     /* Add service discovery modules */
 809     psz_modules = var_InheritString( p_libvlc, "services-discovery" );
 810     if( psz_modules )
 811     {
 812         char *p = psz_modules, *m;
 813         playlist_t *p_playlist = pl_Hold( p_libvlc );
 814         while( ( m = strsep( &p, " :," ) ) != NULL )
 815             playlist_ServicesDiscoveryAdd( p_playlist, m );
 816         free( psz_modules );
 817         pl_Release (p_playlist);
 818     }
 819
 820 #ifdef ENABLE_VLM
 821     /* Initialize VLM if vlm-conf is specified */
 822     psz_parser = var_CreateGetNonEmptyString( p_libvlc, "vlm-conf" );
 823     if( psz_parser )
 824     {
 825         priv->p_vlm = vlm_New( p_libvlc );
 826         if( !priv->p_vlm )
 827             msg_Err( p_libvlc, "VLM initialization failed" );
 828     }
 829     free( psz_parser );
 830 #endif
 831
 832     /*
 833      * Load background interfaces
 834      */
 835     /* Create volume callback system. (this variable must be created before
 836        all interfaces as they can use it) */
 837     var_Create( p_libvlc, "volume-change", VLC_VAR_VOID );
 838     var_Create( p_libvlc, "volume-muted", VLC_VAR_BOOL );
 839
 840     psz_modules = var_CreateGetNonEmptyString( p_libvlc, "extraintf" );
 841     psz_control = var_CreateGetNonEmptyString( p_libvlc, "control" );
 842
 843     if( psz_modules && psz_control )
 844     {
 845         char* psz_tmp;
 846         if( asprintf( &psz_tmp, "%s:%s", psz_modules, psz_control ) != -1 )
 847         {
 848             free( psz_modules );
 849             psz_modules = psz_tmp;
 850         }
 851     }
 852     else if( psz_control )
 853     {
 854         free( psz_modules );
 855         psz_modules = strdup( psz_control );
 856     }
 857
 858     psz_parser = psz_modules;
 859     while ( psz_parser && *psz_parser )
 860     {
 861         char *psz_module, *psz_temp;
 862         psz_module = psz_parser;
 863         psz_parser = strchr( psz_module, ':' );
 864         if ( psz_parser )
 865         {
 866             *psz_parser = '\0';
 867             psz_parser++;
 868         }
 869         if( asprintf( &psz_temp, "%s,none", psz_module ) != -1)
 870         {
 871             intf_Create( p_libvlc, psz_temp );
 872             free( psz_temp );
 873         }
 874     }
 875     free( psz_modules );
 876     free( psz_control );
 877
 878     /*
 879      * Always load the hotkeys interface if it exists
 880      */
 881     intf_Create( p_libvlc, "hotkeys,none" );
 882
 883 #ifdef HAVE_DBUS
 884     /* loads dbus control interface if in one-instance mode
 885      * we do it only when playlist exists, because dbus module needs it */
 886     if( var_InheritBool( p_libvlc, "one-instance" )
 887      || ( var_InheritBool( p_libvlc, "one-instance-when-started-from-file" )
 888        && var_InheritBool( p_libvlc, "started-from-file" ) ) )
 889         intf_Create( p_libvlc, "dbus,none" );
 890
 891 # if !defined (HAVE_MAEMO)
 892     /* Prevents the power management daemon from suspending the system
 893      * when VLC is active */
 894     if( var_InheritBool( p_libvlc, "inhibit" ) > 0 )
 895         intf_Create( p_libvlc, "inhibit,none" );
 896 # endif
 897 #endif
 898
 899     if( var_InheritBool( p_libvlc, "file-logging" ) &&
 900         !var_InheritBool( p_libvlc, "syslog" ) )
 901     {
 902         intf_Create( p_libvlc, "logger,none" );
 903     }
 904 #ifdef HAVE_SYSLOG_H
 905     if( var_InheritBool( p_libvlc, "syslog" ) )
 906     {
 907         char *logmode = var_CreateGetNonEmptyString( p_libvlc, "logmode" );
 908         var_SetString( p_libvlc, "logmode", "syslog" );
 909         intf_Create( p_libvlc, "logger,none" );
 910
 911         if( logmode )
 912         {
 913             var_SetString( p_libvlc, "logmode", logmode );
 914             free( logmode );
 915         }
 916         var_Destroy( p_libvlc, "logmode" );
 917     }
 918 #endif
 919
 920     if( var_InheritBool( p_libvlc, "network-synchronisation") )
 921     {
 922         intf_Create( p_libvlc, "netsync,none" );
 923     }
 924
 925 #ifdef WIN32
 926     if( var_InheritBool( p_libvlc, "prefer-system-codecs") )
 927     {
 928         char *psz_codecs = var_CreateGetNonEmptyString( p_libvlc, "codec" );
 929         if( psz_codecs )
 930         {
 931             char *psz_morecodecs;
 932             if( asprintf(&psz_morecodecs, "%s,dmo,quicktime", psz_codecs) != -1 )
 933             {
 934                 var_SetString( p_libvlc, "codec", psz_morecodecs);
 935                 free( psz_morecodecs );
 936             }
 937             free( psz_codecs );
 938         }
 939         else
 940             var_SetString( p_libvlc, "codec", "dmo,quicktime");
 941     }
 942 #endif
 943
 944     var_Create( p_libvlc, "drawable-view-top", VLC_VAR_INTEGER );
 945     var_Create( p_libvlc, "drawable-view-left", VLC_VAR_INTEGER );
 946     var_Create( p_libvlc, "drawable-view-bottom", VLC_VAR_INTEGER );
 947     var_Create( p_libvlc, "drawable-view-right", VLC_VAR_INTEGER );
 948     var_Create( p_libvlc, "drawable-clip-top", VLC_VAR_INTEGER );
 949     var_Create( p_libvlc, "drawable-clip-left", VLC_VAR_INTEGER );
 950     var_Create( p_libvlc, "drawable-clip-bottom", VLC_VAR_INTEGER );
 951     var_Create( p_libvlc, "drawable-clip-right", VLC_VAR_INTEGER );
 952
 953
 954     /* Create a variable for showing the fullscreen interface from hotkeys */
 955     var_Create( p_libvlc, "intf-show", VLC_VAR_BOOL );
 956     var_SetBool( p_libvlc, "intf-show", true );
 957
 958     /* Create a variable for showing the right click menu */
 959     var_Create( p_libvlc, "intf-popupmenu", VLC_VAR_BOOL );
 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_t *p_playlist = pl_Hold( p_libvlc );
 973         playlist_AddExt( p_playlist, psz_val, NULL, PLAYLIST_INSERT, 0,
 974                          -1, 0, NULL, 0, true, pl_Unlocked );
 975         pl_Release( p_libvlc );
 976         free( psz_val );
 977     }
 978
 979     return VLC_SUCCESS;
 980 }
 981
 982 /**
 983  * Cleanup a libvlc instance. The instance is not completely deallocated
 984  * \param p_libvlc the instance to clean
 985  */
 986 void libvlc_InternalCleanup( libvlc_int_t *p_libvlc )
 987 {
 988     libvlc_priv_t *priv = libvlc_priv (p_libvlc);
 989     playlist_t    *p_playlist = libvlc_priv (p_libvlc)->p_playlist;
 990
 991     /* Deactivate the playlist */
 992     msg_Dbg( p_libvlc, "deactivating the playlist" );
 993     pl_Deactivate( p_libvlc );
 994
 995     /* Remove all services discovery */
 996     msg_Dbg( p_libvlc, "removing all services discovery tasks" );
 997     playlist_ServicesDiscoveryKillAll( p_playlist );
 998
 999     /* Ask the interfaces to stop and destroy them */
1000     msg_Dbg( p_libvlc, "removing all interfaces" );
1001     libvlc_Quit( p_libvlc );
1002     intf_DestroyAll( p_libvlc );
1003
1004 #ifdef ENABLE_VLM
1005     /* Destroy VLM if created in libvlc_InternalInit */
1006     if( priv->p_vlm )
1007     {
1008         vlm_Delete( priv->p_vlm );
1009     }
1010 #endif
1011
1012     /* Free playlist now */
1013     msg_Dbg( p_libvlc, "removing playlist" );
1014     vlc_object_release( p_playlist );
1015
1016     stats_TimersDumpAll( p_libvlc );
1017     stats_TimersCleanAll( p_libvlc );
1018
1019     msg_Dbg( p_libvlc, "removing stats" );
1020
1021 #ifndef WIN32
1022     char* psz_pidfile = NULL;
1023
1024     if( b_daemon )
1025     {
1026         psz_pidfile = var_CreateGetNonEmptyString( p_libvlc, "pidfile" );
1027         if( psz_pidfile != NULL )
1028         {
1029             msg_Dbg( p_libvlc, "removing pid file %s", psz_pidfile );
1030             if( unlink( psz_pidfile ) == -1 )
1031             {
1032                 msg_Dbg( p_libvlc, "removing pid file %s: %m",
1033                         psz_pidfile );
1034             }
1035         }
1036         free( psz_pidfile );
1037     }
1038 #endif
1039
1040     if( priv->p_memcpy_module )
1041     {
1042         module_unneed( p_libvlc, priv->p_memcpy_module );
1043         priv->p_memcpy_module = NULL;
1044     }
1045
1046     /* Free module bank. It is refcounted, so we call this each time  */
1047     module_EndBank( p_libvlc, true );
1048
1049     vlc_DeinitActions( p_libvlc );
1050 }
1051
1052 /**
1053  * Destroy everything.
1054  * This function requests the running threads to finish, waits for their
1055  * termination, and destroys their structure.
1056  * It stops the thread systems: no instance can run after this has run
1057  * \param p_libvlc the instance to destroy
1058  */
1059 void libvlc_InternalDestroy( libvlc_int_t *p_libvlc )
1060 {
1061     libvlc_priv_t *priv = libvlc_priv( p_libvlc );
1062
1063     vlc_mutex_lock( &global_lock );
1064     i_instances--;
1065
1066     if( i_instances == 0 )
1067     {
1068         /* System specific cleaning code */
1069         system_End( p_libvlc );
1070     }
1071     vlc_mutex_unlock( &global_lock );
1072
1073     msg_Destroy( p_libvlc );
1074
1075     /* Destroy mutexes */
1076     vlc_mutex_destroy( &priv->timer_lock );
1077
1078 #ifndef NDEBUG /* Hack to dump leaked objects tree */
1079     if( vlc_internals( p_libvlc )->i_refcount > 1 )
1080         while( vlc_internals( p_libvlc )->i_refcount > 0 )
1081             vlc_object_release( p_libvlc );
1082 #endif
1083
1084     assert( vlc_internals( p_libvlc )->i_refcount == 1 );
1085     vlc_object_release( p_libvlc );
1086 }
1087
1088 /**
1089  * Add an interface plugin and run it
1090  */
1091 int libvlc_InternalAddIntf( libvlc_int_t *p_libvlc, char const *psz_module )
1092 {
1093     if( !p_libvlc )
1094         return VLC_EGENERIC;
1095
1096     if( !psz_module ) /* requesting the default interface */
1097     {
1098         char *psz_interface = var_CreateGetNonEmptyString( p_libvlc, "intf" );
1099         if( !psz_interface ) /* "intf" has not been set */
1100         {
1101 #ifndef WIN32
1102             if( b_daemon )
1103                  /* Daemon mode hack.
1104                   * We prefer the dummy interface if none is specified. */
1105                 psz_module = "dummy";
1106             else
1107 #endif
1108                 msg_Info( p_libvlc, "%s",
1109                           _("Running vlc with the default interface. "
1110                             "Use 'cvlc' to use vlc without interface.") );
1111         }
1112         free( psz_interface );
1113         var_Destroy( p_libvlc, "intf" );
1114     }
1115
1116     /* Try to create the interface */
1117     int ret = intf_Create( p_libvlc, psz_module ? psz_module : "$intf" );
1118     if( ret )
1119         msg_Err( p_libvlc, "interface \"%s\" initialization failed",
1120                  psz_module ? psz_module : "default" );
1121     return ret;
1122 }
1123
1124 #ifndef WIN32
1125 static vlc_mutex_t exit_lock = VLC_STATIC_MUTEX;
1126 static vlc_cond_t  exiting = VLC_STATIC_COND;
1127 #else
1128 extern vlc_mutex_t super_mutex;
1129 extern vlc_cond_t  super_variable;
1130 # define exit_lock super_mutex
1131 # define exiting   super_variable
1132 #endif
1133
1134 /**
1135  * Waits until the LibVLC instance gets an exit signal. Normally, this happens
1136  * when the user "exits" an interface plugin.
1137  */
1138 void libvlc_InternalWait( libvlc_int_t *p_libvlc )
1139 {
1140     vlc_mutex_lock( &exit_lock );
1141     while( vlc_object_alive( p_libvlc ) )
1142         vlc_cond_wait( &exiting, &exit_lock );
1143     vlc_mutex_unlock( &exit_lock );
1144 }
1145
1146 /**
1147  * Posts an exit signal to LibVLC instance. This will normally initiate the
1148  * cleanup and destroy process. It should only be called on behalf of the user.
1149  */
1150 void libvlc_Quit( libvlc_int_t *p_libvlc )
1151 {
1152     vlc_mutex_lock( &exit_lock );
1153     vlc_object_kill( p_libvlc );
1154     vlc_cond_broadcast( &exiting );
1155     vlc_mutex_unlock( &exit_lock );
1156 }
1157
1158 #if defined( ENABLE_NLS ) && (defined (__APPLE__) || defined (WIN32)) && \
1159     ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
1160 /*****************************************************************************
1161  * SetLanguage: set the interface language.
1162  *****************************************************************************
1163  * We set the LC_MESSAGES locale category for interface messages and buttons,
1164  * as well as the LC_CTYPE category for string sorting and possible wide
1165  * character support.
1166  *****************************************************************************/
1167 static void SetLanguage ( const char *psz_lang )
1168 {
1169 #ifdef __APPLE__
1170     /* I need that under Darwin, please check it doesn't disturb
1171      * other platforms. --Meuuh */
1172     setenv( "LANG", psz_lang, 1 );
1173
1174 #else
1175     /* We set LC_ALL manually because it is the only way to set
1176      * the language at runtime under eg. Windows. Beware that this
1177      * makes the environment unconsistent when libvlc is unloaded and
1178      * should probably be moved to a safer place like vlc.c. */
1179     static char psz_lcall[20];
1180     snprintf( psz_lcall, 19, "LC_ALL=%s", psz_lang );
1181     psz_lcall[19] = '\0';
1182     putenv( psz_lcall );
1183 #endif
1184
1185     setlocale( LC_ALL, psz_lang );
1186 }
1187 #endif
1188
1189 /*****************************************************************************
1190  * GetFilenames: parse command line options which are not flags
1191  *****************************************************************************
1192  * Parse command line for input files as well as their associated options.
1193  * An option always follows its associated input and begins with a ":".
1194  *****************************************************************************/
1195 static int GetFilenames( libvlc_int_t *p_vlc, int i_argc, const char *ppsz_argv[] )
1196 {
1197     int i_opt, i_options;
1198
1199     /* We assume that the remaining parameters are filenames
1200      * and their input options */
1201     for( i_opt = i_argc - 1; i_opt >= optind; i_opt-- )
1202     {
1203         i_options = 0;
1204
1205         /* Count the input options */
1206         while( *ppsz_argv[ i_opt ] == ':' && i_opt > optind )
1207         {
1208             i_options++;
1209             i_opt--;
1210         }
1211
1212         /* TODO: write an internal function of this one, to avoid
1213          *       unnecessary lookups. */
1214         char *mrl = make_URI( ppsz_argv[i_opt] );
1215         if( !mrl )
1216             continue;
1217
1218         playlist_t *p_playlist = pl_Hold( p_vlc );
1219         playlist_AddExt( p_playlist, mrl, NULL, PLAYLIST_INSERT,
1220                 0, -1, i_options, ( i_options ? &ppsz_argv[i_opt + 1] : NULL ),
1221                 VLC_INPUT_OPTION_TRUSTED, true, pl_Unlocked );
1222         pl_Release( p_vlc );
1223         free( mrl );
1224     }
1225
1226     return VLC_SUCCESS;
1227 }
1228
1229 /*****************************************************************************
1230  * Help: print program help
1231  *****************************************************************************
1232  * Print a short inline help. Message interface is initialized at this stage.
1233  *****************************************************************************/
1234 static inline void print_help_on_full_help( void )
1235 {
1236     utf8_fprintf( stdout, "\n" );
1237     utf8_fprintf( stdout, "%s\n", _("To get exhaustive help, use '-H'.") );
1238 }
1239
1240 static const char vlc_usage[] = N_(
1241                             "Usage: %s [options] [stream] ..."
1242                             "\nYou can specify multiple streams on the commandline. They will be enqueued in the playlist."
1243                             "\nThe first item specified will be played first."
1244                             "\n"
1245                             "\nOptions-styles:"
1246                             "\n  --option  A global option that is set for the duration of the program."
1247                             "\n   -option  A single letter version of a global --option."
1248                             "\n   :option  An option that only applies to the stream directly before it"
1249                             "\n            and that overrides previous settings."
1250                             "\n"
1251                             "\nStream MRL syntax:"
1252                             "\n  [[access][/demux]://]URL[@[title][:chapter][-[title][:chapter]]] [:option=value ...]"
1253                             "\n"
1254                             "\n  Many of the global --options can also be used as MRL specific :options."
1255                             "\n  Multiple :option=value pairs can be specified."
1256                             "\n"
1257                             "\nURL syntax:"
1258                             "\n  [file://]filename              Plain media file"
1259                             "\n  http://ip:port/file            HTTP URL"
1260                             "\n  ftp://ip:port/file             FTP URL"
1261                             "\n  mms://ip:port/file             MMS URL"
1262                             "\n  screen://                      Screen capture"
1263                             "\n  [dvd://][device][@raw_device]  DVD device"
1264                             "\n  [vcd://][device]               VCD device"
1265                             "\n  [cdda://][device]              Audio CD device"
1266                             "\n  udp://[[<source address>]@[<bind address>][:<bind port>]]"
1267                             "\n                                 UDP stream sent by a streaming server"
1268                             "\n  vlc://pause:<seconds>          Special item to pause the playlist for a certain time"
1269                             "\n  vlc://quit                     Special item to quit VLC"
1270                             "\n");
1271
1272 static void Help( libvlc_int_t *p_this, char const *psz_help_name )
1273 {
1274 #ifdef WIN32
1275     ShowConsole( true );
1276 #endif
1277
1278     if( psz_help_name && !strcmp( psz_help_name, "help" ) )
1279     {
1280         utf8_fprintf( stdout, vlc_usage, "vlc" );
1281         Usage( p_this, "=help" );
1282         Usage( p_this, "=main" );
1283         print_help_on_full_help();
1284     }
1285     else if( psz_help_name && !strcmp( psz_help_name, "longhelp" ) )
1286     {
1287         utf8_fprintf( stdout, vlc_usage, "vlc" );
1288         Usage( p_this, NULL );
1289         print_help_on_full_help();
1290     }
1291     else if( psz_help_name && !strcmp( psz_help_name, "full-help" ) )
1292     {
1293         utf8_fprintf( stdout, vlc_usage, "vlc" );
1294         Usage( p_this, NULL );
1295     }
1296     else if( psz_help_name )
1297     {
1298         Usage( p_this, psz_help_name );
1299     }
1300
1301 #ifdef WIN32        /* Pause the console because it's destroyed when we exit */
1302     PauseConsole();
1303 #endif
1304 }
1305
1306 /*****************************************************************************
1307  * Usage: print module usage
1308  *****************************************************************************
1309  * Print a short inline help. Message interface is initialized at this stage.
1310  *****************************************************************************/
1311 #   define COL(x)  "\033[" #x ";1m"
1312 #   define RED     COL(31)
1313 #   define GREEN   COL(32)
1314 #   define YELLOW  COL(33)
1315 #   define BLUE    COL(34)
1316 #   define MAGENTA COL(35)
1317 #   define CYAN    COL(36)
1318 #   define WHITE   COL(0)
1319 #   define GRAY    "\033[0m"
1320 static void
1321 print_help_section( const module_t *m, const module_config_t *p_item,
1322                     bool b_color, bool b_description )
1323 {
1324     if( !p_item ) return;
1325     if( b_color )
1326     {
1327         utf8_fprintf( stdout, RED"   %s:\n"GRAY,
1328                       module_gettext( m, p_item->psz_text ) );
1329         if( b_description && p_item->psz_longtext && *p_item->psz_longtext )
1330             utf8_fprintf( stdout, MAGENTA"   %s\n"GRAY,
1331                           module_gettext( m, p_item->psz_longtext ) );
1332     }
1333     else
1334     {
1335         utf8_fprintf( stdout, "   %s:\n",
1336                       module_gettext( m, p_item->psz_text ) );
1337         if( b_description && p_item->psz_longtext && *p_item->psz_longtext )
1338             utf8_fprintf( stdout, "   %s\n",
1339                           module_gettext(m, p_item->psz_longtext ) );
1340     }
1341 }
1342
1343 static void Usage( libvlc_int_t *p_this, char const *psz_search )
1344 {
1345 #define FORMAT_STRING "  %s --%s%s%s%s%s%s%s "
1346     /* short option ------'    | | | | | | |
1347      * option name ------------' | | | | | |
1348      * <bra ---------------------' | | | | |
1349      * option type or "" ----------' | | | |
1350      * ket> -------------------------' | | |
1351      * padding spaces -----------------' | |
1352      * comment --------------------------' |
1353      * comment suffix ---------------------'
1354      *
1355      * The purpose of having bra and ket is that we might i18n them as well.
1356      */
1357
1358 #define COLOR_FORMAT_STRING (WHITE"  %s --%s"YELLOW"%s%s%s%s%s%s "GRAY)
1359 #define COLOR_FORMAT_STRING_BOOL (WHITE"  %s --%s%s%s%s%s%s%s "GRAY)
1360
1361 #define LINE_START 8
1362 #define PADDING_SPACES 25
1363 #ifdef WIN32
1364 #   define OPTION_VALUE_SEP "="
1365 #else
1366 #   define OPTION_VALUE_SEP " "
1367 #endif
1368     char psz_spaces_text[PADDING_SPACES+LINE_START+1];
1369     char psz_spaces_longtext[LINE_START+3];
1370     char psz_format[sizeof(COLOR_FORMAT_STRING)];
1371     char psz_format_bool[sizeof(COLOR_FORMAT_STRING_BOOL)];
1372     char psz_buffer[10000];
1373     char psz_short[4];
1374     int i_width = ConsoleWidth() - (PADDING_SPACES+LINE_START+1);
1375     int i_width_description = i_width + PADDING_SPACES - 1;
1376     bool b_advanced    = var_InheritBool( p_this, "advanced" );
1377     bool b_description = var_InheritBool( p_this, "help-verbose" );
1378     bool b_description_hack;
1379     bool b_color       = var_InheritBool( p_this, "color" );
1380     bool b_has_advanced = false;
1381     bool b_found       = false;
1382     int  i_only_advanced = 0; /* Number of modules ignored because they
1383                                * only have advanced options */
1384     bool b_strict = psz_search && *psz_search == '=';
1385     if( b_strict ) psz_search++;
1386
1387     memset( psz_spaces_text, ' ', PADDING_SPACES+LINE_START );
1388     psz_spaces_text[PADDING_SPACES+LINE_START] = '\0';
1389     memset( psz_spaces_longtext, ' ', LINE_START+2 );
1390     psz_spaces_longtext[LINE_START+2] = '\0';
1391 #ifndef WIN32
1392     if( !isatty( 1 ) )
1393 #endif
1394         b_color = false; // don't put color control codes in a .txt file
1395
1396     if( b_color )
1397     {
1398         strcpy( psz_format, COLOR_FORMAT_STRING );
1399         strcpy( psz_format_bool, COLOR_FORMAT_STRING_BOOL );
1400     }
1401     else
1402     {
1403         strcpy( psz_format, FORMAT_STRING );
1404         strcpy( psz_format_bool, FORMAT_STRING );
1405     }
1406
1407     /* List all modules */
1408     module_t **list = module_list_get (NULL);
1409     if (!list)
1410         return;
1411
1412     /* Ugly hack to make sure that the help options always come first
1413      * (part 1) */
1414     if( !psz_search )
1415         Usage( p_this, "help" );
1416
1417     /* Enumerate the config for each module */
1418     for (size_t i = 0; list[i]; i++)
1419     {
1420         bool b_help_module;
1421         module_t *p_parser = list[i];
1422         module_config_t *p_item = NULL;
1423         module_config_t *p_section = NULL;
1424         module_config_t *p_end = p_parser->p_config + p_parser->confsize;
1425
1426         if( psz_search &&
1427             ( b_strict ? strcmp( psz_search, p_parser->psz_object_name )
1428                        : !strstr( p_parser->psz_object_name, psz_search ) ) )
1429         {
1430             char *const *pp_shortcut = p_parser->pp_shortcuts;
1431             while( *pp_shortcut )
1432             {
1433                 if( b_strict ? !strcmp( psz_search, *pp_shortcut )
1434                              : !!strstr( *pp_shortcut, psz_search ) )
1435                     break;
1436                 pp_shortcut ++;
1437             }
1438             if( !*pp_shortcut )
1439                 continue;
1440         }
1441
1442         /* Ignore modules without config options */
1443         if( !p_parser->i_config_items )
1444         {
1445             continue;
1446         }
1447
1448         b_help_module = !strcmp( "help", p_parser->psz_object_name );
1449         /* Ugly hack to make sure that the help options always come first
1450          * (part 2) */
1451         if( !psz_search && b_help_module )
1452             continue;
1453
1454         /* Ignore modules with only advanced config options if requested */
1455         if( !b_advanced )
1456         {
1457             for( p_item = p_parser->p_config;
1458                  p_item < p_end;
1459                  p_item++ )
1460             {
1461                 if( (p_item->i_type & CONFIG_ITEM) &&
1462                     !p_item->b_advanced && !p_item->b_removed ) break;
1463             }
1464
1465             if( p_item == p_end )
1466             {
1467                 i_only_advanced++;
1468                 continue;
1469             }
1470         }
1471
1472         b_found = true;
1473
1474         /* Print name of module */
1475         if( strcmp( "main", p_parser->psz_object_name ) )
1476         {
1477             if( b_color )
1478                 utf8_fprintf( stdout, "\n " GREEN "%s" GRAY " (%s)\n",
1479                               module_gettext( p_parser, p_parser->psz_longname ),
1480                               p_parser->psz_object_name );
1481             else
1482                 utf8_fprintf( stdout, "\n %s\n",
1483                               module_gettext(p_parser, p_parser->psz_longname ) );
1484         }
1485         if( p_parser->psz_help )
1486         {
1487             if( b_color )
1488                 utf8_fprintf( stdout, CYAN" %s\n"GRAY,
1489                               module_gettext( p_parser, p_parser->psz_help ) );
1490             else
1491                 utf8_fprintf( stdout, " %s\n",
1492                               module_gettext( p_parser, p_parser->psz_help ) );
1493         }
1494
1495         /* Print module options */
1496         for( p_item = p_parser->p_config;
1497              p_item < p_end;
1498              p_item++ )
1499         {
1500             char *psz_text, *psz_spaces = psz_spaces_text;
1501             const char *psz_bra = NULL, *psz_type = NULL, *psz_ket = NULL;
1502             const char *psz_suf = "", *psz_prefix = NULL;
1503             signed int i;
1504             size_t i_cur_width;
1505
1506             /* Skip removed options */
1507             if( p_item->b_removed )
1508             {
1509                 continue;
1510             }
1511             /* Skip advanced options if requested */
1512             if( p_item->b_advanced && !b_advanced )
1513             {
1514                 b_has_advanced = true;
1515                 continue;
1516             }
1517
1518             switch( p_item->i_type )
1519             {
1520             case CONFIG_HINT_CATEGORY:
1521             case CONFIG_HINT_USAGE:
1522                 if( !strcmp( "main", p_parser->psz_object_name ) )
1523                 {
1524                     if( b_color )
1525                         utf8_fprintf( stdout, GREEN "\n %s\n" GRAY,
1526                                       module_gettext( p_parser, p_item->psz_text ) );
1527                     else
1528                         utf8_fprintf( stdout, "\n %s\n",
1529                                       module_gettext( p_parser, p_item->psz_text ) );
1530                 }
1531                 if( b_description && p_item->psz_longtext
1532                  && *p_item->psz_longtext )
1533                 {
1534                     if( b_color )
1535                         utf8_fprintf( stdout, CYAN " %s\n" GRAY,
1536                                       module_gettext( p_parser, p_item->psz_longtext ) );
1537                     else
1538                         utf8_fprintf( stdout, " %s\n",
1539                                       module_gettext( p_parser, p_item->psz_longtext ) );
1540                 }
1541                 break;
1542
1543             case CONFIG_HINT_SUBCATEGORY:
1544                 if( strcmp( "main", p_parser->psz_object_name ) )
1545                     break;
1546             case CONFIG_SECTION:
1547                 p_section = p_item;
1548                 break;
1549
1550             case CONFIG_ITEM_STRING:
1551             case CONFIG_ITEM_FILE:
1552             case CONFIG_ITEM_DIRECTORY:
1553             case CONFIG_ITEM_MODULE: /* We could also have "=<" here */
1554             case CONFIG_ITEM_MODULE_CAT:
1555             case CONFIG_ITEM_MODULE_LIST:
1556             case CONFIG_ITEM_MODULE_LIST_CAT:
1557             case CONFIG_ITEM_FONT:
1558             case CONFIG_ITEM_PASSWORD:
1559                 print_help_section( p_parser, p_section, b_color,
1560                                     b_description );
1561                 p_section = NULL;
1562                 psz_bra = OPTION_VALUE_SEP "<";
1563                 psz_type = _("string");
1564                 psz_ket = ">";
1565
1566                 if( p_item->ppsz_list )
1567                 {
1568                     psz_bra = OPTION_VALUE_SEP "{";
1569                     psz_type = psz_buffer;
1570                     psz_buffer[0] = '\0';
1571                     for( i = 0; p_item->ppsz_list[i]; i++ )
1572                     {
1573                         if( i ) strcat( psz_buffer, "," );
1574                         strcat( psz_buffer, p_item->ppsz_list[i] );
1575                     }
1576                     psz_ket = "}";
1577                 }
1578                 break;
1579             case CONFIG_ITEM_INTEGER:
1580             case CONFIG_ITEM_KEY: /* FIXME: do something a bit more clever */
1581                 print_help_section( p_parser, p_section, b_color,
1582                                     b_description );
1583                 p_section = NULL;
1584                 psz_bra = OPTION_VALUE_SEP "<";
1585                 psz_type = _("integer");
1586                 psz_ket = ">";
1587
1588                 if( p_item->min.i || p_item->max.i )
1589                 {
1590                     sprintf( psz_buffer, "%s [%i .. %i]", psz_type,
1591                              p_item->min.i, p_item->max.i );
1592                     psz_type = psz_buffer;
1593                 }
1594
1595                 if( p_item->i_list )
1596                 {
1597                     psz_bra = OPTION_VALUE_SEP "{";
1598                     psz_type = psz_buffer;
1599                     psz_buffer[0] = '\0';
1600                     for( i = 0; p_item->ppsz_list_text[i]; i++ )
1601                     {
1602                         if( i ) strcat( psz_buffer, ", " );
1603                         sprintf( psz_buffer + strlen(psz_buffer), "%i (%s)",
1604                                  p_item->pi_list[i],
1605                                  module_gettext( p_parser, p_item->ppsz_list_text[i] ) );
1606                     }
1607                     psz_ket = "}";
1608                 }
1609                 break;
1610             case CONFIG_ITEM_FLOAT:
1611                 print_help_section( p_parser, p_section, b_color,
1612                                     b_description );
1613                 p_section = NULL;
1614                 psz_bra = OPTION_VALUE_SEP "<";
1615                 psz_type = _("float");
1616                 psz_ket = ">";
1617                 if( p_item->min.f || p_item->max.f )
1618                 {
1619                     sprintf( psz_buffer, "%s [%f .. %f]", psz_type,
1620                              p_item->min.f, p_item->max.f );
1621                     psz_type = psz_buffer;
1622                 }
1623                 break;
1624             case CONFIG_ITEM_BOOL:
1625                 print_help_section( p_parser, p_section, b_color,
1626                                     b_description );
1627                 p_section = NULL;
1628                 psz_bra = ""; psz_type = ""; psz_ket = "";
1629                 if( !b_help_module )
1630                 {
1631                     psz_suf = p_item->value.i ? _(" (default enabled)") :
1632                                                 _(" (default disabled)");
1633                 }
1634                 break;
1635             }
1636
1637             if( !psz_type )
1638             {
1639                 continue;
1640             }
1641
1642             /* Add short option if any */
1643             if( p_item->i_short )
1644             {
1645                 sprintf( psz_short, "-%c,", p_item->i_short );
1646             }
1647             else
1648             {
1649                 strcpy( psz_short, "   " );
1650             }
1651
1652             i = PADDING_SPACES - strlen( p_item->psz_name )
1653                  - strlen( psz_bra ) - strlen( psz_type )
1654                  - strlen( psz_ket ) - 1;
1655
1656             if( p_item->i_type == CONFIG_ITEM_BOOL && !b_help_module )
1657             {
1658                 psz_prefix =  ", --no-";
1659                 i -= strlen( p_item->psz_name ) + strlen( psz_prefix );
1660             }
1661
1662             if( i < 0 )
1663             {
1664                 psz_spaces[0] = '\n';
1665                 i = 0;
1666             }
1667             else
1668             {
1669                 psz_spaces[i] = '\0';
1670             }
1671
1672             if( p_item->i_type == CONFIG_ITEM_BOOL && !b_help_module )
1673             {
1674                 utf8_fprintf( stdout, psz_format_bool, psz_short,
1675                               p_item->psz_name, psz_prefix, p_item->psz_name,
1676                               psz_bra, psz_type, psz_ket, psz_spaces );
1677             }
1678             else
1679             {
1680                 utf8_fprintf( stdout, psz_format, psz_short, p_item->psz_name,
1681                          "", "", psz_bra, psz_type, psz_ket, psz_spaces );
1682             }
1683
1684             psz_spaces[i] = ' ';
1685
1686             /* We wrap the rest of the output */
1687             sprintf( psz_buffer, "%s%s", module_gettext( p_parser, p_item->psz_text ),
1688                      psz_suf );
1689             b_description_hack = b_description;
1690
1691  description:
1692             psz_text = psz_buffer;
1693             i_cur_width = b_description && !b_description_hack
1694                           ? i_width_description
1695                           : i_width;
1696             while( *psz_text )
1697             {
1698                 char *psz_parser, *psz_word;
1699                 size_t i_end = strlen( psz_text );
1700
1701                 /* If the remaining text fits in a line, print it. */
1702                 if( i_end <= i_cur_width )
1703                 {
1704                     if( b_color )
1705                     {
1706                         if( !b_description || b_description_hack )
1707                             utf8_fprintf( stdout, BLUE"%s\n"GRAY, psz_text );
1708                         else
1709                             utf8_fprintf( stdout, "%s\n", psz_text );
1710                     }
1711                     else
1712                     {
1713                         utf8_fprintf( stdout, "%s\n", psz_text );
1714                     }
1715                     break;
1716                 }
1717
1718                 /* Otherwise, eat as many words as possible */
1719                 psz_parser = psz_text;
1720                 do
1721                 {
1722                     psz_word = psz_parser;
1723                     psz_parser = strchr( psz_word, ' ' );
1724                     /* If no space was found, we reached the end of the text
1725                      * block; otherwise, we skip the space we just found. */
1726                     psz_parser = psz_parser ? psz_parser + 1
1727                                             : psz_text + i_end;
1728
1729                 } while( (size_t)(psz_parser - psz_text) <= i_cur_width );
1730
1731                 /* We cut a word in one of these cases:
1732                  *  - it's the only word in the line and it's too long.
1733                  *  - we used less than 80% of the width and the word we are
1734                  *    going to wrap is longer than 40% of the width, and even
1735                  *    if the word would have fit in the next line. */
1736                 if( psz_word == psz_text
1737              || ( (size_t)(psz_word - psz_text) < 80 * i_cur_width / 100
1738              && (size_t)(psz_parser - psz_word) > 40 * i_cur_width / 100 ) )
1739                 {
1740                     char c = psz_text[i_cur_width];
1741                     psz_text[i_cur_width] = '\0';
1742                     if( b_color )
1743                     {
1744                         if( !b_description || b_description_hack )
1745                             utf8_fprintf( stdout, BLUE"%s\n%s"GRAY,
1746                                           psz_text, psz_spaces );
1747                         else
1748                             utf8_fprintf( stdout, "%s\n%s",
1749                                           psz_text, psz_spaces );
1750                     }
1751                     else
1752                     {
1753                         utf8_fprintf( stdout, "%s\n%s", psz_text, psz_spaces );
1754                     }
1755                     psz_text += i_cur_width;
1756                     psz_text[0] = c;
1757                 }
1758                 else
1759                 {
1760                     psz_word[-1] = '\0';
1761                     if( b_color )
1762                     {
1763                         if( !b_description || b_description_hack )
1764                             utf8_fprintf( stdout, BLUE"%s\n%s"GRAY,
1765                                           psz_text, psz_spaces );
1766                         else
1767                             utf8_fprintf( stdout, "%s\n%s",
1768                                           psz_text, psz_spaces );
1769                     }
1770                     else
1771                     {
1772                         utf8_fprintf( stdout, "%s\n%s", psz_text, psz_spaces );
1773                     }
1774                     psz_text = psz_word;
1775                 }
1776             }
1777
1778             if( b_description_hack && p_item->psz_longtext
1779              && *p_item->psz_longtext )
1780             {
1781                 sprintf( psz_buffer, "%s%s",
1782                          module_gettext( p_parser, p_item->psz_longtext ),
1783                          psz_suf );
1784                 b_description_hack = false;
1785                 psz_spaces = psz_spaces_longtext;
1786                 utf8_fprintf( stdout, "%s", psz_spaces );
1787                 goto description;
1788             }
1789         }
1790     }
1791
1792     if( b_has_advanced )
1793     {
1794         if( b_color )
1795             utf8_fprintf( stdout, "\n" WHITE "%s" GRAY " %s\n", _( "Note:" ),
1796            _( "add --advanced to your command line to see advanced options."));
1797         else
1798             utf8_fprintf( stdout, "\n%s %s\n", _( "Note:" ),
1799            _( "add --advanced to your command line to see advanced options."));
1800     }
1801
1802     if( i_only_advanced > 0 )
1803     {
1804         if( b_color )
1805         {
1806             utf8_fprintf( stdout, "\n" WHITE "%s" GRAY " ", _( "Note:" ) );
1807             utf8_fprintf( stdout, _( "%d module(s) were not displayed because they only have advanced options.\n" ), i_only_advanced );
1808         }
1809         else
1810         {
1811             utf8_fprintf( stdout, "\n%s ", _( "Note:" ) );
1812             utf8_fprintf( stdout, _( "%d module(s) were not displayed because they only have advanced options.\n" ), i_only_advanced );
1813         }
1814     }
1815     else if( !b_found )
1816     {
1817         if( b_color )
1818             utf8_fprintf( stdout, "\n" WHITE "%s" GRAY "\n",
1819                        _( "No matching module found. Use --list or " \
1820                           "--list-verbose to list available modules." ) );
1821         else
1822             utf8_fprintf( stdout, "\n%s\n",
1823                        _( "No matching module found. Use --list or " \
1824                           "--list-verbose to list available modules." ) );
1825     }
1826
1827     /* Release the module list */
1828     module_list_free (list);
1829 }
1830
1831 /*****************************************************************************
1832  * ListModules: list the available modules with their description
1833  *****************************************************************************
1834  * Print a list of all available modules (builtins and plugins) and a short
1835  * description for each one.
1836  *****************************************************************************/
1837 static void ListModules( libvlc_int_t *p_this, bool b_verbose )
1838 {
1839     module_t *p_parser;
1840
1841     bool b_color = var_InheritBool( p_this, "color" );
1842
1843 #ifdef WIN32
1844     ShowConsole( true );
1845     b_color = false; // don't put color control codes in a .txt file
1846 #else
1847     if( !isatty( 1 ) )
1848         b_color = false;
1849 #endif
1850
1851     /* List all modules */
1852     module_t **list = module_list_get (NULL);
1853
1854     /* Enumerate each module */
1855     for (size_t j = 0; (p_parser = list[j]) != NULL; j++)
1856     {
1857         if( b_color )
1858             utf8_fprintf( stdout, GREEN"  %-22s "WHITE"%s\n"GRAY,
1859                           p_parser->psz_object_name,
1860                           module_gettext( p_parser, p_parser->psz_longname ) );
1861         else
1862             utf8_fprintf( stdout, "  %-22s %s\n",
1863                           p_parser->psz_object_name,
1864                           module_gettext( p_parser, p_parser->psz_longname ) );
1865
1866         if( b_verbose )
1867         {
1868             char *const *pp_shortcut = p_parser->pp_shortcuts;
1869             while( *pp_shortcut )
1870             {
1871                 if( strcmp( *pp_shortcut, p_parser->psz_object_name ) )
1872                 {
1873                     if( b_color )
1874                         utf8_fprintf( stdout, CYAN"   s %s\n"GRAY,
1875                                       *pp_shortcut );
1876                     else
1877                         utf8_fprintf( stdout, "   s %s\n",
1878                                       *pp_shortcut );
1879                 }
1880                 pp_shortcut++;
1881             }
1882             if( p_parser->psz_capability )
1883             {
1884                 if( b_color )
1885                     utf8_fprintf( stdout, MAGENTA"   c %s (%d)\n"GRAY,
1886                                   p_parser->psz_capability,
1887                                   p_parser->i_score );
1888                 else
1889                     utf8_fprintf( stdout, "   c %s (%d)\n",
1890                                   p_parser->psz_capability,
1891                                   p_parser->i_score );
1892             }
1893         }
1894     }
1895     module_list_free (list);
1896
1897 #ifdef WIN32        /* Pause the console because it's destroyed when we exit */
1898     PauseConsole();
1899 #endif
1900 }
1901
1902 /*****************************************************************************
1903  * Version: print complete program version
1904  *****************************************************************************
1905  * Print complete program version and build number.
1906  *****************************************************************************/
1907 static void Version( void )
1908 {
1909     extern const char psz_vlc_changeset[];
1910 #ifdef WIN32
1911     ShowConsole( true );
1912 #endif
1913
1914     utf8_fprintf( stdout, _("VLC version %s (%s)\n"), VLC_Version(),
1915                   psz_vlc_changeset );
1916     utf8_fprintf( stdout, _("Compiled by %s on %s (%s)\n"),
1917              VLC_CompileBy(), VLC_CompileHost(), __DATE__" "__TIME__ );
1918     utf8_fprintf( stdout, _("Compiler: %s\n"), VLC_Compiler() );
1919     utf8_fprintf( stdout, "%s", LICENSE_MSG );
1920
1921 #ifdef WIN32        /* Pause the console because it's destroyed when we exit */
1922     PauseConsole();
1923 #endif
1924 }
1925
1926 /*****************************************************************************
1927  * ShowConsole: On Win32, create an output console for debug messages
1928  *****************************************************************************
1929  * This function is useful only on Win32.
1930  *****************************************************************************/
1931 #ifdef WIN32 /*  */
1932 static void ShowConsole( bool b_dofile )
1933 {
1934 #   ifndef UNDER_CE
1935     FILE *f_help = NULL;
1936
1937     if( getenv( "PWD" ) && getenv( "PS1" ) ) return; /* cygwin shell */
1938
1939     AllocConsole();
1940     /* Use the ANSI code page (e.g. Windows-1252) as expected by the LibVLC
1941      * Unicode/locale subsystem. By default, we have the obsolecent OEM code
1942      * page (e.g. CP437 or CP850). */
1943     SetConsoleOutputCP (GetACP ());
1944     SetConsoleTitle ("VLC media player version "PACKAGE_VERSION);
1945
1946     freopen( "CONOUT$", "w", stderr );
1947     freopen( "CONIN$", "r", stdin );
1948
1949     if( b_dofile && (f_help = fopen( "vlc-help.txt", "wt" )) )
1950     {
1951         fclose( f_help );
1952         freopen( "vlc-help.txt", "wt", stdout );
1953         utf8_fprintf( stderr, _("\nDumped content to vlc-help.txt file.\n") );
1954     }
1955     else freopen( "CONOUT$", "w", stdout );
1956
1957 #   endif
1958 }
1959 #endif
1960
1961 /*****************************************************************************
1962  * PauseConsole: On Win32, wait for a key press before closing the console
1963  *****************************************************************************
1964  * This function is useful only on Win32.
1965  *****************************************************************************/
1966 #ifdef WIN32 /*  */
1967 static void PauseConsole( void )
1968 {
1969 #   ifndef UNDER_CE
1970
1971     if( getenv( "PWD" ) && getenv( "PS1" ) ) return; /* cygwin shell */
1972
1973     utf8_fprintf( stderr, _("\nPress the RETURN key to continue...\n") );
1974     getchar();
1975     fclose( stdout );
1976
1977 #   endif
1978 }
1979 #endif
1980
1981 /*****************************************************************************
1982  * ConsoleWidth: Return the console width in characters
1983  *****************************************************************************
1984  * We use the stty shell command to get the console width; if this fails or
1985  * if the width is less than 80, we default to 80.
1986  *****************************************************************************/
1987 static int ConsoleWidth( void )
1988 {
1989     unsigned i_width = 80;
1990
1991 #ifndef WIN32
1992     FILE *file = popen( "stty size 2>/dev/null", "r" );
1993     if (file != NULL)
1994     {
1995         if (fscanf (file, "%*u %u", &i_width) <= 0)
1996             i_width = 80;
1997         pclose( file );
1998     }
1999 #elif !defined (UNDER_CE)
2000     CONSOLE_SCREEN_BUFFER_INFO buf;
2001
2002     if (GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &buf))
2003         i_width = buf.dwSize.X;
2004 #endif
2005
2006     return i_width;
2007 }
2008
2009 #include <vlc_avcodec.h>
2010
2011 void vlc_avcodec_mutex (bool acquire)
2012 {
2013     static vlc_mutex_t lock = VLC_STATIC_MUTEX;
2014
2015     if (acquire)
2016         vlc_mutex_lock (&lock);
2017     else
2018         vlc_mutex_unlock (&lock);
2019 }