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
  72 #include <vlc_media_library.h>
  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_fs.h>
  81 #include <vlc_cpu.h>
  82 #include <vlc_url.h>
  83 #include <vlc_atomic.h>
  84 #include <vlc_modules.h>
  85
  86 #include "libvlc.h"
  87
  88 #include "playlist/playlist_internal.h"
  89
  90 #include <vlc_vlm.h>
  91
  92 #ifdef __APPLE__
  93 # include <libkern/OSAtomic.h>
  94 #endif
  95
  96 #include <assert.h>
  97
  98 /*****************************************************************************
  99  * The evil global variables. We handle them with care, don't worry.
 100  *****************************************************************************/
 101 static unsigned          i_instances = 0;
 102
 103 #ifndef WIN32
 104 static bool b_daemon = false;
 105 #endif
 106
 107 #undef vlc_gc_init
 108 #undef vlc_hold
 109 #undef vlc_release
 110
 111 /**
 112  * Atomically set the reference count to 1.
 113  * @param p_gc reference counted object
 114  * @param pf_destruct destruction calback
 115  * @return p_gc.
 116  */
 117 void *vlc_gc_init (gc_object_t *p_gc, void (*pf_destruct) (gc_object_t *))
 118 {
 119     /* There is no point in using the GC if there is no destructor... */
 120     assert (pf_destruct);
 121     p_gc->pf_destructor = pf_destruct;
 122
 123     vlc_atomic_set (&p_gc->refs, 1);
 124     return p_gc;
 125 }
 126
 127 /**
 128  * Atomically increment the reference count.
 129  * @param p_gc reference counted object
 130  * @return p_gc.
 131  */
 132 void *vlc_hold (gc_object_t * p_gc)
 133 {
 134     uintptr_t refs;
 135
 136     assert( p_gc );
 137     refs = vlc_atomic_inc (&p_gc->refs);
 138     assert (refs != 1); /* there had to be a reference already */
 139     return p_gc;
 140 }
 141
 142 /**
 143  * Atomically decrement the reference count and, if it reaches zero, destroy.
 144  * @param p_gc reference counted object.
 145  */
 146 void vlc_release (gc_object_t *p_gc)
 147 {
 148     unsigned refs;
 149
 150     assert( p_gc );
 151     refs = vlc_atomic_dec (&p_gc->refs);
 152     assert (refs != (uintptr_t)(-1)); /* reference underflow?! */
 153     if (refs == 0)
 154         p_gc->pf_destructor (p_gc);
 155 }
 156
 157 /*****************************************************************************
 158  * Local prototypes
 159  *****************************************************************************/
 160 #if defined( ENABLE_NLS ) && (defined (__APPLE__) || defined (WIN32)) && \
 161     ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
 162 static void SetLanguage   ( char const * );
 163 #endif
 164 static void GetFilenames  ( libvlc_int_t *, unsigned, const char *const [] );
 165 static void Help          ( libvlc_int_t *, char const *psz_help_name );
 166 static void Usage         ( libvlc_int_t *, char const *psz_search );
 167 static void ListModules   ( libvlc_int_t *, bool );
 168 static void Version       ( void );
 169
 170 #ifdef WIN32
 171 static void ShowConsole   ( bool );
 172 static void PauseConsole  ( void );
 173 #endif
 174 static int  ConsoleWidth  ( void );
 175
 176 static vlc_mutex_t global_lock = VLC_STATIC_MUTEX;
 177 extern const char psz_vlc_changeset[];
 178
 179 /**
 180  * Allocate a libvlc instance, initialize global data if needed
 181  * It also initializes the threading system
 182  */
 183 libvlc_int_t * libvlc_InternalCreate( void )
 184 {
 185     libvlc_int_t *p_libvlc;
 186     libvlc_priv_t *priv;
 187     char *psz_env = NULL;
 188
 189     /* Now that the thread system is initialized, we don't have much, but
 190      * at least we have variables */
 191     vlc_mutex_lock( &global_lock );
 192     if( i_instances == 0 )
 193     {
 194         /* Guess what CPU we have */
 195         cpu_flags = CPUCapabilities();
 196         /* The module bank will be initialized later */
 197     }
 198
 199     /* Allocate a libvlc instance object */
 200     p_libvlc = vlc_custom_create( (vlc_object_t *)NULL, sizeof (*priv),
 201                                   VLC_OBJECT_GENERIC, "libvlc" );
 202     if( p_libvlc != NULL )
 203         i_instances++;
 204     vlc_mutex_unlock( &global_lock );
 205
 206     if( p_libvlc == NULL )
 207         return NULL;
 208
 209     priv = libvlc_priv (p_libvlc);
 210     priv->p_playlist = NULL;
 211     priv->p_ml = NULL;
 212     priv->p_dialog_provider = NULL;
 213     priv->p_vlm = NULL;
 214
 215     /* Initialize message queue */
 216     priv->msg_bank = msg_Create ();
 217     if (unlikely(priv->msg_bank == NULL))
 218         goto error;
 219
 220     /* Find verbosity from VLC_VERBOSE environment variable */
 221     psz_env = getenv( "VLC_VERBOSE" );
 222     if( psz_env != NULL )
 223         priv->i_verbose = atoi( psz_env );
 224     else
 225         priv->i_verbose = 3;
 226 #if defined( HAVE_ISATTY ) && !defined( WIN32 )
 227     priv->b_color = isatty( 2 ); /* 2 is for stderr */
 228 #else
 229     priv->b_color = false;
 230 #endif
 231
 232     /* Initialize mutexes */
 233     vlc_mutex_init( &priv->ml_lock );
 234     vlc_mutex_init( &priv->timer_lock );
 235     vlc_ExitInit( &priv->exit );
 236
 237     return p_libvlc;
 238 error:
 239     vlc_object_release (p_libvlc);
 240     return NULL;
 241 }
 242
 243 /**
 244  * Initialize a libvlc instance
 245  * This function initializes a previously allocated libvlc instance:
 246  *  - CPU detection
 247  *  - gettext initialization
 248  *  - message queue, module bank and playlist initialization
 249  *  - configuration and commandline parsing
 250  */
 251 int libvlc_InternalInit( libvlc_int_t *p_libvlc, int i_argc,
 252                          const char *ppsz_argv[] )
 253 {
 254     libvlc_priv_t *priv = libvlc_priv (p_libvlc);
 255     char *       p_tmp = NULL;
 256     char *       psz_modules = NULL;
 257     char *       psz_parser = NULL;
 258     char *       psz_control = NULL;
 259     bool   b_exit = false;
 260     int          i_ret = VLC_EEXIT;
 261     playlist_t  *p_playlist = NULL;
 262     char        *psz_val;
 263 #if defined( ENABLE_NLS ) \
 264      && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
 265 # if defined (WIN32) || defined (__APPLE__)
 266     char *       psz_language;
 267 #endif
 268 #endif
 269
 270     /* System specific initialization code */
 271     system_Init( p_libvlc, &i_argc, ppsz_argv );
 272
 273     /*
 274      * Support for gettext
 275      */
 276     vlc_bindtextdomain (PACKAGE_NAME);
 277
 278     /* Initialize the module bank and load the configuration of the
 279      * main module. We need to do this at this stage to be able to display
 280      * a short help if required by the user. (short help == main module
 281      * options) */
 282     module_InitBank( p_libvlc );
 283
 284     if( config_LoadCmdLine( p_libvlc, i_argc, ppsz_argv, NULL ) )
 285     {
 286         module_EndBank( p_libvlc, false );
 287         return VLC_EGENERIC;
 288     }
 289
 290     priv->i_verbose = var_InheritInteger( p_libvlc, "verbose" );
 291     /* Announce who we are - Do it only for first instance ? */
 292     msg_Dbg( p_libvlc, "VLC media player - %s", VERSION_MESSAGE );
 293     msg_Dbg( p_libvlc, "%s", COPYRIGHT_MESSAGE );
 294     msg_Dbg( p_libvlc, "revision %s", psz_vlc_changeset );
 295     msg_Dbg( p_libvlc, "configured with %s", CONFIGURE_LINE );
 296     /*xgettext: Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
 297     msg_Dbg( p_libvlc, "translation test: code is \"%s\"", _("C") );
 298
 299     /* Check for short help option */
 300     if( var_InheritBool( p_libvlc, "help" ) )
 301     {
 302         Help( p_libvlc, "help" );
 303         b_exit = true;
 304         i_ret = VLC_EEXITSUCCESS;
 305     }
 306     /* Check for version option */
 307     else if( var_InheritBool( p_libvlc, "version" ) )
 308     {
 309         Version();
 310         b_exit = true;
 311         i_ret = VLC_EEXITSUCCESS;
 312     }
 313
 314     /* Check for daemon mode */
 315 #ifndef WIN32
 316     if( var_InheritBool( p_libvlc, "daemon" ) )
 317     {
 318 #ifdef HAVE_DAEMON
 319         char *psz_pidfile = NULL;
 320
 321         if( daemon( 1, 0) != 0 )
 322         {
 323             msg_Err( p_libvlc, "Unable to fork vlc to daemon mode" );
 324             b_exit = true;
 325         }
 326         b_daemon = true;
 327
 328         /* lets check if we need to write the pidfile */
 329         psz_pidfile = var_CreateGetNonEmptyString( p_libvlc, "pidfile" );
 330         if( psz_pidfile != NULL )
 331         {
 332             FILE *pidfile;
 333             pid_t i_pid = getpid ();
 334             msg_Dbg( p_libvlc, "PID is %d, writing it to %s",
 335                                i_pid, psz_pidfile );
 336             pidfile = vlc_fopen( psz_pidfile,"w" );
 337             if( pidfile != NULL )
 338             {
 339                 utf8_fprintf( pidfile, "%d", (int)i_pid );
 340                 fclose( pidfile );
 341             }
 342             else
 343             {
 344                 msg_Err( p_libvlc, "cannot open pid file for writing: %s (%m)",
 345                          psz_pidfile );
 346             }
 347         }
 348         free( psz_pidfile );
 349
 350 #else
 351         pid_t i_pid;
 352
 353         if( ( i_pid = fork() ) < 0 )
 354         {
 355             msg_Err( p_libvlc, "unable to fork vlc to daemon mode" );
 356             b_exit = true;
 357         }
 358         else if( i_pid )
 359         {
 360             /* This is the parent, exit right now */
 361             msg_Dbg( p_libvlc, "closing parent process" );
 362             b_exit = true;
 363             i_ret = VLC_EEXITSUCCESS;
 364         }
 365         else
 366         {
 367             /* We are the child */
 368             msg_Dbg( p_libvlc, "daemon spawned" );
 369             close( STDIN_FILENO );
 370             close( STDOUT_FILENO );
 371             close( STDERR_FILENO );
 372
 373             b_daemon = true;
 374         }
 375 #endif
 376     }
 377 #endif
 378
 379     if( b_exit )
 380     {
 381         module_EndBank( p_libvlc, false );
 382         return i_ret;
 383     }
 384
 385     /* Check for translation config option */
 386 #if defined( ENABLE_NLS ) \
 387      && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
 388 # if defined (WIN32) || defined (__APPLE__)
 389     if( !var_InheritBool( p_libvlc, "ignore-config" ) )
 390         config_LoadConfigFile( p_libvlc, "main" );
 391     priv->i_verbose = var_InheritInteger( p_libvlc, "verbose" );
 392
 393     /* Check if the user specified a custom language */
 394     psz_language = var_CreateGetNonEmptyString( p_libvlc, "language" );
 395     if( psz_language && strcmp( psz_language, "auto" ) )
 396     {
 397         /* Reset the default domain */
 398         SetLanguage( psz_language );
 399
 400         /* Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
 401         msg_Dbg( p_libvlc, "translation test: code is \"%s\"", _("C") );
 402     }
 403     free( psz_language );
 404 # endif
 405 #endif
 406
 407     /*
 408      * Load the builtins and plugins into the module_bank.
 409      * We have to do it before config_Load*() because this also gets the
 410      * list of configuration options exported by each module and loads their
 411      * default values.
 412      */
 413     module_LoadPlugins( p_libvlc );
 414     if( p_libvlc->b_die )
 415     {
 416         b_exit = true;
 417     }
 418
 419     size_t module_count;
 420     module_t **list = module_list_get( &module_count );
 421     module_list_free( list );
 422     msg_Dbg( p_libvlc, "module bank initialized (%zu modules)", module_count );
 423
 424     /* Check for help on modules */
 425     if( (p_tmp = var_InheritString( p_libvlc, "module" )) )
 426     {
 427         Help( p_libvlc, p_tmp );
 428         free( p_tmp );
 429         b_exit = true;
 430         i_ret = VLC_EEXITSUCCESS;
 431     }
 432     /* Check for full help option */
 433     else if( var_InheritBool( p_libvlc, "full-help" ) )
 434     {
 435         var_Create( p_libvlc, "advanced", VLC_VAR_BOOL );
 436         var_SetBool( p_libvlc, "advanced", true );
 437         var_Create( p_libvlc, "help-verbose", VLC_VAR_BOOL );
 438         var_SetBool( p_libvlc, "help-verbose", true );
 439         Help( p_libvlc, "full-help" );
 440         b_exit = true;
 441         i_ret = VLC_EEXITSUCCESS;
 442     }
 443     /* Check for long help option */
 444     else if( var_InheritBool( p_libvlc, "longhelp" ) )
 445     {
 446         Help( p_libvlc, "longhelp" );
 447         b_exit = true;
 448         i_ret = VLC_EEXITSUCCESS;
 449     }
 450     /* Check for module list option */
 451     else if( var_InheritBool( p_libvlc, "list" ) )
 452     {
 453         ListModules( p_libvlc, false );
 454         b_exit = true;
 455         i_ret = VLC_EEXITSUCCESS;
 456     }
 457     else if( var_InheritBool( p_libvlc, "list-verbose" ) )
 458     {
 459         ListModules( p_libvlc, true );
 460         b_exit = true;
 461         i_ret = VLC_EEXITSUCCESS;
 462     }
 463
 464     /* Check for config file options */
 465     if( !var_InheritBool( p_libvlc, "ignore-config" ) )
 466     {
 467         if( var_InheritBool( p_libvlc, "reset-config" ) )
 468         {
 469             config_ResetAll( p_libvlc );
 470             config_SaveConfigFile( p_libvlc, NULL );
 471         }
 472     }
 473
 474     if( module_count <= 1)
 475     {
 476         msg_Err( p_libvlc, "No modules were found, refusing to start. Check "
 477                 "that you properly gave a module path with --plugin-path.");
 478         b_exit = true;
 479         i_ret = VLC_ENOITEM;
 480     }
 481
 482     if( b_exit )
 483     {
 484         module_EndBank( p_libvlc, true );
 485         return i_ret;
 486     }
 487
 488     /*
 489      * Override default configuration with config file settings
 490      */
 491     if( !var_InheritBool( p_libvlc, "ignore-config" ) )
 492         config_LoadConfigFile( p_libvlc, NULL );
 493
 494     /*
 495      * Override configuration with command line settings
 496      */
 497     int vlc_optind;
 498     if( config_LoadCmdLine( p_libvlc, i_argc, ppsz_argv, &vlc_optind ) )
 499     {
 500 #ifdef WIN32
 501         ShowConsole( false );
 502         /* Pause the console because it's destroyed when we exit */
 503         fprintf( stderr, "The command line options couldn't be loaded, check "
 504                  "that they are valid.\n" );
 505         PauseConsole();
 506 #endif
 507         module_EndBank( p_libvlc, true );
 508         return VLC_EGENERIC;
 509     }
 510     priv->i_verbose = var_InheritInteger( p_libvlc, "verbose" );
 511
 512 /* FIXME: could be replaced by using Unix sockets */
 513 #ifdef HAVE_DBUS
 514     dbus_threads_init_default();
 515
 516     if( var_InheritBool( p_libvlc, "one-instance" )
 517     || ( var_InheritBool( p_libvlc, "one-instance-when-started-from-file" )
 518       && var_InheritBool( p_libvlc, "started-from-file" ) ) )
 519     {
 520         /* Initialise D-Bus interface, check for other instances */
 521         DBusConnection  *p_conn = NULL;
 522         DBusError       dbus_error;
 523
 524         dbus_error_init( &dbus_error );
 525
 526         /* connect to the session bus */
 527         p_conn = dbus_bus_get( DBUS_BUS_SESSION, &dbus_error );
 528         if( !p_conn )
 529         {
 530             msg_Err( p_libvlc, "Failed to connect to D-Bus session daemon: %s",
 531                     dbus_error.message );
 532             dbus_error_free( &dbus_error );
 533         }
 534         else
 535         {
 536             /* check if VLC is available on the bus
 537              * if not: D-Bus control is not enabled on the other
 538              * instance and we can't pass MRLs to it */
 539             DBusMessage *p_test_msg = NULL;
 540             DBusMessage *p_test_reply = NULL;
 541             p_test_msg =  dbus_message_new_method_call(
 542                     "org.mpris.vlc", "/",
 543                     "org.freedesktop.MediaPlayer", "Identity" );
 544             /* block until a reply arrives */
 545             p_test_reply = dbus_connection_send_with_reply_and_block(
 546                     p_conn, p_test_msg, -1, &dbus_error );
 547             dbus_message_unref( p_test_msg );
 548             if( p_test_reply == NULL )
 549             {
 550                 dbus_error_free( &dbus_error );
 551                 msg_Dbg( p_libvlc, "No Media Player is running. "
 552                         "Continuing normally." );
 553             }
 554             else
 555             {
 556                 int i_input;
 557                 DBusMessage* p_dbus_msg = NULL;
 558                 DBusMessageIter dbus_args;
 559                 DBusPendingCall* p_dbus_pending = NULL;
 560                 dbus_bool_t b_play;
 561
 562                 dbus_message_unref( p_test_reply );
 563                 msg_Warn( p_libvlc, "Another Media Player is running. Exiting");
 564
 565                 for( i_input = vlc_optind; i_input < i_argc;i_input++ )
 566                 {
 567                     msg_Dbg( p_libvlc, "Adds %s to the running Media Player",
 568                             ppsz_argv[i_input] );
 569
 570                     p_dbus_msg = dbus_message_new_method_call(
 571                             "org.mpris.vlc", "/TrackList",
 572                             "org.freedesktop.MediaPlayer", "AddTrack" );
 573
 574                     if ( NULL == p_dbus_msg )
 575                     {
 576                         msg_Err( p_libvlc, "D-Bus problem" );
 577                         system_End( p_libvlc );
 578                         exit( 1 );
 579                     }
 580
 581                     /* append MRLs */
 582                     dbus_message_iter_init_append( p_dbus_msg, &dbus_args );
 583                     if ( !dbus_message_iter_append_basic( &dbus_args,
 584                                 DBUS_TYPE_STRING, &ppsz_argv[i_input] ) )
 585                     {
 586                         dbus_message_unref( p_dbus_msg );
 587                         system_End( p_libvlc );
 588                         exit( 1 );
 589                     }
 590                     b_play = TRUE;
 591                     if( var_InheritBool( p_libvlc, "playlist-enqueue" ) )
 592                         b_play = FALSE;
 593                     if ( !dbus_message_iter_append_basic( &dbus_args,
 594                                 DBUS_TYPE_BOOLEAN, &b_play ) )
 595                     {
 596                         dbus_message_unref( p_dbus_msg );
 597                         system_End( p_libvlc );
 598                         exit( 1 );
 599                     }
 600
 601                     /* send message and get a handle for a reply */
 602                     if ( !dbus_connection_send_with_reply ( p_conn,
 603                                 p_dbus_msg, &p_dbus_pending, -1 ) )
 604                     {
 605                         msg_Err( p_libvlc, "D-Bus problem" );
 606                         dbus_message_unref( p_dbus_msg );
 607                         system_End( p_libvlc );
 608                         exit( 1 );
 609                     }
 610
 611                     if ( NULL == p_dbus_pending )
 612                     {
 613                         msg_Err( p_libvlc, "D-Bus problem" );
 614                         dbus_message_unref( p_dbus_msg );
 615                         system_End( p_libvlc );
 616                         exit( 1 );
 617                     }
 618                     dbus_connection_flush( p_conn );
 619                     dbus_message_unref( p_dbus_msg );
 620                     /* block until we receive a reply */
 621                     dbus_pending_call_block( p_dbus_pending );
 622                     dbus_pending_call_unref( p_dbus_pending );
 623                 } /* processes all command line MRLs */
 624
 625                 /* bye bye */
 626                 system_End( p_libvlc );
 627                 exit( 0 );
 628             }
 629         }
 630         /* we unreference the connection when we've finished with it */
 631         if( p_conn ) dbus_connection_unref( p_conn );
 632     }
 633 #endif
 634
 635     /*
 636      * Message queue options
 637      */
 638     char * psz_verbose_objects = var_CreateGetNonEmptyString( p_libvlc, "verbose-objects" );
 639     if( psz_verbose_objects )
 640     {
 641         char * psz_object, * iter = psz_verbose_objects;
 642         while( (psz_object = strsep( &iter, "," )) )
 643         {
 644             switch( psz_object[0] )
 645             {
 646                 printf("%s\n", psz_object+1);
 647                 case '+': msg_EnableObjectPrinting(p_libvlc, psz_object+1); break;
 648                 case '-': msg_DisableObjectPrinting(p_libvlc, psz_object+1); break;
 649                 default:
 650                     msg_Err( p_libvlc, "verbose-objects usage: \n"
 651                             "--verbose-objects=+printthatobject,"
 652                             "-dontprintthatone\n"
 653                             "(keyword 'all' to applies to all objects)");
 654                     free( psz_verbose_objects );
 655                     /* FIXME: leaks!!!! */
 656                     return VLC_EGENERIC;
 657             }
 658         }
 659         free( psz_verbose_objects );
 660     }
 661
 662     /* Last chance to set the verbosity. Once we start interfaces and other
 663      * threads, verbosity becomes read-only. */
 664     var_Create( p_libvlc, "verbose", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 665     if( var_InheritBool( p_libvlc, "quiet" ) )
 666     {
 667         var_SetInteger( p_libvlc, "verbose", -1 );
 668         priv->i_verbose = -1;
 669     }
 670     vlc_threads_setup( p_libvlc );
 671
 672     if( priv->b_color )
 673         priv->b_color = var_InheritBool( p_libvlc, "color" );
 674
 675     char p_capabilities[200];
 676 #define PRINT_CAPABILITY( capability, string )                              \
 677     if( vlc_CPU() & capability )                                            \
 678     {                                                                       \
 679         strncat( p_capabilities, string " ",                                \
 680                  sizeof(p_capabilities) - strlen(p_capabilities) );         \
 681         p_capabilities[sizeof(p_capabilities) - 1] = '\0';                  \
 682     }
 683     p_capabilities[0] = '\0';
 684
 685 #if defined( __i386__ ) || defined( __x86_64__ )
 686     if( !var_InheritBool( p_libvlc, "mmx" ) )
 687         cpu_flags &= ~CPU_CAPABILITY_MMX;
 688     if( !var_InheritBool( p_libvlc, "3dn" ) )
 689         cpu_flags &= ~CPU_CAPABILITY_3DNOW;
 690     if( !var_InheritBool( p_libvlc, "mmxext" ) )
 691         cpu_flags &= ~CPU_CAPABILITY_MMXEXT;
 692     if( !var_InheritBool( p_libvlc, "sse" ) )
 693         cpu_flags &= ~CPU_CAPABILITY_SSE;
 694     if( !var_InheritBool( p_libvlc, "sse2" ) )
 695         cpu_flags &= ~CPU_CAPABILITY_SSE2;
 696     if( !var_InheritBool( p_libvlc, "sse3" ) )
 697         cpu_flags &= ~CPU_CAPABILITY_SSE3;
 698     if( !var_InheritBool( p_libvlc, "ssse3" ) )
 699         cpu_flags &= ~CPU_CAPABILITY_SSSE3;
 700     if( !var_InheritBool( p_libvlc, "sse41" ) )
 701         cpu_flags &= ~CPU_CAPABILITY_SSE4_1;
 702     if( !var_InheritBool( p_libvlc, "sse42" ) )
 703         cpu_flags &= ~CPU_CAPABILITY_SSE4_2;
 704
 705     PRINT_CAPABILITY( CPU_CAPABILITY_MMX, "MMX" );
 706     PRINT_CAPABILITY( CPU_CAPABILITY_3DNOW, "3DNow!" );
 707     PRINT_CAPABILITY( CPU_CAPABILITY_MMXEXT, "MMXEXT" );
 708     PRINT_CAPABILITY( CPU_CAPABILITY_SSE, "SSE" );
 709     PRINT_CAPABILITY( CPU_CAPABILITY_SSE2, "SSE2" );
 710     PRINT_CAPABILITY( CPU_CAPABILITY_SSE3, "SSE3" );
 711     PRINT_CAPABILITY( CPU_CAPABILITY_SSSE3, "SSSE3" );
 712     PRINT_CAPABILITY( CPU_CAPABILITY_SSE4_1, "SSE4.1" );
 713     PRINT_CAPABILITY( CPU_CAPABILITY_SSE4_2, "SSE4.2" );
 714     PRINT_CAPABILITY( CPU_CAPABILITY_SSE4A,  "SSE4A" );
 715
 716 #elif defined( __powerpc__ ) || defined( __ppc__ ) || defined( __ppc64__ )
 717     if( !var_InheritBool( p_libvlc, "altivec" ) )
 718         cpu_flags &= ~CPU_CAPABILITY_ALTIVEC;
 719
 720     PRINT_CAPABILITY( CPU_CAPABILITY_ALTIVEC, "AltiVec" );
 721
 722 #elif defined( __arm__ )
 723     PRINT_CAPABILITY( CPU_CAPABILITY_NEON, "NEONv1" );
 724
 725 #endif
 726
 727 #if HAVE_FPU
 728     strncat( p_capabilities, "FPU ",
 729              sizeof(p_capabilities) - strlen( p_capabilities) );
 730     p_capabilities[sizeof(p_capabilities) - 1] = '\0';
 731 #endif
 732
 733     if (p_capabilities[0])
 734         msg_Dbg( p_libvlc, "CPU has capabilities %s", p_capabilities );
 735
 736     /*
 737      * Choose the best memcpy module
 738      */
 739     priv->p_memcpy_module = module_need( p_libvlc, "memcpy", "$memcpy", false );
 740     /* Avoid being called "memcpy":*/
 741     vlc_object_set_name( p_libvlc, "main" );
 742
 743     priv->b_stats = var_InheritBool( p_libvlc, "stats" );
 744     priv->i_timers = 0;
 745     priv->pp_timers = NULL;
 746
 747     priv->i_last_input_id = 0; /* Not very safe, should be removed */
 748
 749     /*
 750      * Initialize hotkey handling
 751      */
 752     vlc_InitActions( p_libvlc );
 753
 754     /* Create a variable for showing the fullscreen interface */
 755     var_Create( p_libvlc, "intf-show", VLC_VAR_BOOL );
 756     var_SetBool( p_libvlc, "intf-show", true );
 757
 758     /* Create a variable for showing the right click menu */
 759     var_Create( p_libvlc, "intf-popupmenu", VLC_VAR_BOOL );
 760
 761     /* variables for signalling creation of new files */
 762     var_Create( p_libvlc, "snapshot-file", VLC_VAR_STRING );
 763     var_Create( p_libvlc, "record-file", VLC_VAR_STRING );
 764
 765     /* some default internal settings */
 766     var_Create( p_libvlc, "window", VLC_VAR_STRING );
 767     var_Create( p_libvlc, "user-agent", VLC_VAR_STRING );
 768     var_SetString( p_libvlc, "user-agent", "(LibVLC "VERSION")" );
 769
 770     /* Initialize playlist and get commandline files */
 771     p_playlist = playlist_Create( VLC_OBJECT(p_libvlc) );
 772     if( !p_playlist )
 773     {
 774         msg_Err( p_libvlc, "playlist initialization failed" );
 775         if( priv->p_memcpy_module != NULL )
 776         {
 777             module_unneed( p_libvlc, priv->p_memcpy_module );
 778         }
 779         module_EndBank( p_libvlc, true );
 780         return VLC_EGENERIC;
 781     }
 782
 783     /* System specific configuration */
 784     system_Configure( p_libvlc, i_argc - vlc_optind, ppsz_argv + vlc_optind );
 785
 786 #if defined(MEDIA_LIBRARY)
 787     /* Get the ML */
 788     if( var_GetBool( p_libvlc, "load-media-library-on-startup" ) == true )
 789     {
 790         priv->p_ml = ml_Create( VLC_OBJECT( p_libvlc ), NULL );
 791         if( !priv->p_ml )
 792         {
 793             msg_Err( p_libvlc, "ML initialization failed" );
 794             return VLC_EGENERIC;
 795         }
 796     }
 797     else
 798     {
 799         priv->p_ml = NULL;
 800     }
 801 #endif
 802
 803     /* Add service discovery modules */
 804     psz_modules = var_InheritString( p_libvlc, "services-discovery" );
 805     if( psz_modules )
 806     {
 807         char *p = psz_modules, *m;
 808         while( ( m = strsep( &p, " :," ) ) != NULL )
 809             playlist_ServicesDiscoveryAdd( p_playlist, m );
 810         free( psz_modules );
 811     }
 812
 813 #ifdef ENABLE_VLM
 814     /* Initialize VLM if vlm-conf is specified */
 815     psz_parser = var_CreateGetNonEmptyString( p_libvlc, "vlm-conf" );
 816     if( psz_parser )
 817     {
 818         priv->p_vlm = vlm_New( p_libvlc );
 819         if( !priv->p_vlm )
 820             msg_Err( p_libvlc, "VLM initialization failed" );
 821     }
 822     free( psz_parser );
 823 #endif
 824
 825     /*
 826      * Load background interfaces
 827      */
 828     psz_modules = var_CreateGetNonEmptyString( p_libvlc, "extraintf" );
 829     psz_control = var_CreateGetNonEmptyString( p_libvlc, "control" );
 830
 831     if( psz_modules && psz_control )
 832     {
 833         char* psz_tmp;
 834         if( asprintf( &psz_tmp, "%s:%s", psz_modules, psz_control ) != -1 )
 835         {
 836             free( psz_modules );
 837             psz_modules = psz_tmp;
 838         }
 839     }
 840     else if( psz_control )
 841     {
 842         free( psz_modules );
 843         psz_modules = strdup( psz_control );
 844     }
 845
 846     psz_parser = psz_modules;
 847     while ( psz_parser && *psz_parser )
 848     {
 849         char *psz_module, *psz_temp;
 850         psz_module = psz_parser;
 851         psz_parser = strchr( psz_module, ':' );
 852         if ( psz_parser )
 853         {
 854             *psz_parser = '\0';
 855             psz_parser++;
 856         }
 857         if( asprintf( &psz_temp, "%s,none", psz_module ) != -1)
 858         {
 859             intf_Create( p_libvlc, psz_temp );
 860             free( psz_temp );
 861         }
 862     }
 863     free( psz_modules );
 864     free( psz_control );
 865
 866     /*
 867      * Always load the hotkeys interface if it exists
 868      */
 869     intf_Create( p_libvlc, "hotkeys,none" );
 870
 871 #ifdef HAVE_DBUS
 872     /* loads dbus control interface if in one-instance mode
 873      * we do it only when playlist exists, because dbus module needs it */
 874     if( var_InheritBool( p_libvlc, "one-instance" )
 875      || ( var_InheritBool( p_libvlc, "one-instance-when-started-from-file" )
 876        && var_InheritBool( p_libvlc, "started-from-file" ) ) )
 877         intf_Create( p_libvlc, "dbus,none" );
 878
 879 # if !defined (HAVE_MAEMO)
 880     /* Prevents the power management daemon from suspending the system
 881      * when VLC is active */
 882     if( var_InheritBool( p_libvlc, "inhibit" ) > 0 )
 883         intf_Create( p_libvlc, "inhibit,none" );
 884 # endif
 885 #endif
 886
 887     if( var_InheritBool( p_libvlc, "file-logging" ) &&
 888         !var_InheritBool( p_libvlc, "syslog" ) )
 889     {
 890         intf_Create( p_libvlc, "logger,none" );
 891     }
 892 #ifdef HAVE_SYSLOG_H
 893     if( var_InheritBool( p_libvlc, "syslog" ) )
 894     {
 895         char *logmode = var_CreateGetNonEmptyString( p_libvlc, "logmode" );
 896         var_SetString( p_libvlc, "logmode", "syslog" );
 897         intf_Create( p_libvlc, "logger,none" );
 898
 899         if( logmode )
 900         {
 901             var_SetString( p_libvlc, "logmode", logmode );
 902             free( logmode );
 903         }
 904         var_Destroy( p_libvlc, "logmode" );
 905     }
 906 #endif
 907
 908     if( var_InheritBool( p_libvlc, "network-synchronisation") )
 909     {
 910         intf_Create( p_libvlc, "netsync,none" );
 911     }
 912
 913 #ifdef WIN32
 914     if( var_InheritBool( p_libvlc, "prefer-system-codecs") )
 915     {
 916         char *psz_codecs = var_CreateGetNonEmptyString( p_libvlc, "codec" );
 917         if( psz_codecs )
 918         {
 919             char *psz_morecodecs;
 920             if( asprintf(&psz_morecodecs, "%s,dmo", psz_codecs) != -1 )
 921             {
 922                 var_SetString( p_libvlc, "codec", psz_morecodecs);
 923                 free( psz_morecodecs );
 924             }
 925             free( psz_codecs );
 926         }
 927         else
 928             var_SetString( p_libvlc, "codec", "dmo");
 929     }
 930 #endif
 931
 932 #ifdef __APPLE__
 933     var_Create( p_libvlc, "drawable-view-top", VLC_VAR_INTEGER );
 934     var_Create( p_libvlc, "drawable-view-left", VLC_VAR_INTEGER );
 935     var_Create( p_libvlc, "drawable-view-bottom", VLC_VAR_INTEGER );
 936     var_Create( p_libvlc, "drawable-view-right", VLC_VAR_INTEGER );
 937     var_Create( p_libvlc, "drawable-clip-top", VLC_VAR_INTEGER );
 938     var_Create( p_libvlc, "drawable-clip-left", VLC_VAR_INTEGER );
 939     var_Create( p_libvlc, "drawable-clip-bottom", VLC_VAR_INTEGER );
 940     var_Create( p_libvlc, "drawable-clip-right", VLC_VAR_INTEGER );
 941 #endif
 942 #ifdef WIN32
 943     var_Create( p_libvlc, "drawable-hwnd", VLC_VAR_ADDRESS );
 944 #endif
 945
 946     /*
 947      * Get input filenames given as commandline arguments.
 948      * We assume that the remaining parameters are filenames
 949      * and their input options.
 950      */
 951     GetFilenames( p_libvlc, i_argc - vlc_optind, ppsz_argv + vlc_optind );
 952
 953     /*
 954      * Get --open argument
 955      */
 956     psz_val = var_InheritString( p_libvlc, "open" );
 957     if ( psz_val != NULL )
 958     {
 959         playlist_AddExt( p_playlist, psz_val, NULL, PLAYLIST_INSERT, 0,
 960                          -1, 0, NULL, 0, true, pl_Unlocked );
 961         free( psz_val );
 962     }
 963
 964     return VLC_SUCCESS;
 965 }
 966
 967 /**
 968  * Cleanup a libvlc instance. The instance is not completely deallocated
 969  * \param p_libvlc the instance to clean
 970  */
 971 void libvlc_InternalCleanup( libvlc_int_t *p_libvlc )
 972 {
 973     libvlc_priv_t *priv = libvlc_priv (p_libvlc);
 974     playlist_t    *p_playlist = libvlc_priv (p_libvlc)->p_playlist;
 975
 976     /* Deactivate the playlist */
 977     msg_Dbg( p_libvlc, "deactivating the playlist" );
 978     pl_Deactivate( p_libvlc );
 979
 980     /* Remove all services discovery */
 981     msg_Dbg( p_libvlc, "removing all services discovery tasks" );
 982     playlist_ServicesDiscoveryKillAll( p_playlist );
 983
 984     /* Ask the interfaces to stop and destroy them */
 985     msg_Dbg( p_libvlc, "removing all interfaces" );
 986     libvlc_Quit( p_libvlc );
 987     intf_DestroyAll( p_libvlc );
 988
 989 #ifdef ENABLE_VLM
 990     /* Destroy VLM if created in libvlc_InternalInit */
 991     if( priv->p_vlm )
 992     {
 993         vlm_Delete( priv->p_vlm );
 994     }
 995 #endif
 996
 997     /* Free playlist now, all threads are gone */
 998     playlist_Destroy( p_playlist );
 999
1000 #if defined(MEDIA_LIBRARY)
1001     media_library_t* p_ml = priv->p_ml;
1002     if( p_ml )
1003     {
1004         ml_Destroy( VLC_OBJECT( p_ml ) );
1005         vlc_object_release( p_ml );
1006         libvlc_priv(p_playlist->p_libvlc)->p_ml = NULL;
1007     }
1008 #endif
1009
1010     stats_TimersDumpAll( p_libvlc );
1011     stats_TimersCleanAll( p_libvlc );
1012
1013     msg_Dbg( p_libvlc, "removing stats" );
1014
1015 #ifndef WIN32
1016     char* psz_pidfile = NULL;
1017
1018     if( b_daemon )
1019     {
1020         psz_pidfile = var_CreateGetNonEmptyString( p_libvlc, "pidfile" );
1021         if( psz_pidfile != NULL )
1022         {
1023             msg_Dbg( p_libvlc, "removing pid file %s", psz_pidfile );
1024             if( unlink( psz_pidfile ) == -1 )
1025             {
1026                 msg_Dbg( p_libvlc, "removing pid file %s: %m",
1027                         psz_pidfile );
1028             }
1029         }
1030         free( psz_pidfile );
1031     }
1032 #endif
1033
1034     if( priv->p_memcpy_module )
1035     {
1036         module_unneed( p_libvlc, priv->p_memcpy_module );
1037         priv->p_memcpy_module = NULL;
1038     }
1039
1040     /* Free module bank. It is refcounted, so we call this each time  */
1041     module_EndBank( p_libvlc, true );
1042
1043     vlc_DeinitActions( p_libvlc );
1044 }
1045
1046 /**
1047  * Destroy everything.
1048  * This function requests the running threads to finish, waits for their
1049  * termination, and destroys their structure.
1050  * It stops the thread systems: no instance can run after this has run
1051  * \param p_libvlc the instance to destroy
1052  */
1053 void libvlc_InternalDestroy( libvlc_int_t *p_libvlc )
1054 {
1055     libvlc_priv_t *priv = libvlc_priv( p_libvlc );
1056
1057     vlc_mutex_lock( &global_lock );
1058     i_instances--;
1059
1060     if( i_instances == 0 )
1061     {
1062         /* System specific cleaning code */
1063         system_End( p_libvlc );
1064     }
1065     vlc_mutex_unlock( &global_lock );
1066
1067     msg_Destroy (priv->msg_bank);
1068
1069     /* Destroy mutexes */
1070     vlc_ExitDestroy( &priv->exit );
1071     vlc_mutex_destroy( &priv->timer_lock );
1072     vlc_mutex_destroy( &priv->ml_lock );
1073
1074 #ifndef NDEBUG /* Hack to dump leaked objects tree */
1075     if( vlc_internals( p_libvlc )->i_refcount > 1 )
1076         while( vlc_internals( p_libvlc )->i_refcount > 0 )
1077             vlc_object_release( p_libvlc );
1078 #endif
1079
1080     assert( vlc_internals( p_libvlc )->i_refcount == 1 );
1081     vlc_object_release( p_libvlc );
1082 }
1083
1084 /**
1085  * Add an interface plugin and run it
1086  */
1087 int libvlc_InternalAddIntf( libvlc_int_t *p_libvlc, char const *psz_module )
1088 {
1089     if( !p_libvlc )
1090         return VLC_EGENERIC;
1091
1092     if( !psz_module ) /* requesting the default interface */
1093     {
1094         char *psz_interface = var_CreateGetNonEmptyString( p_libvlc, "intf" );
1095         if( !psz_interface ) /* "intf" has not been set */
1096         {
1097 #ifndef WIN32
1098             if( b_daemon )
1099                  /* Daemon mode hack.
1100                   * We prefer the dummy interface if none is specified. */
1101                 psz_module = "dummy";
1102             else
1103 #endif
1104                 msg_Info( p_libvlc, "%s",
1105                           _("Running vlc with the default interface. "
1106                             "Use 'cvlc' to use vlc without interface.") );
1107         }
1108         free( psz_interface );
1109         var_Destroy( p_libvlc, "intf" );
1110     }
1111
1112     /* Try to create the interface */
1113     int ret = intf_Create( p_libvlc, psz_module ? psz_module : "$intf" );
1114     if( ret )
1115         msg_Err( p_libvlc, "interface \"%s\" initialization failed",
1116                  psz_module ? psz_module : "default" );
1117     return ret;
1118 }
1119
1120 #if defined( ENABLE_NLS ) && (defined (__APPLE__) || defined (WIN32)) && \
1121     ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
1122 /*****************************************************************************
1123  * SetLanguage: set the interface language.
1124  *****************************************************************************
1125  * We set the LC_MESSAGES locale category for interface messages and buttons,
1126  * as well as the LC_CTYPE category for string sorting and possible wide
1127  * character support.
1128  *****************************************************************************/
1129 static void SetLanguage ( const char *psz_lang )
1130 {
1131 #ifdef __APPLE__
1132     /* I need that under Darwin, please check it doesn't disturb
1133      * other platforms. --Meuuh */
1134     setenv( "LANG", psz_lang, 1 );
1135
1136 #else
1137     /* We set LC_ALL manually because it is the only way to set
1138      * the language at runtime under eg. Windows. Beware that this
1139      * makes the environment unconsistent when libvlc is unloaded and
1140      * should probably be moved to a safer place like vlc.c. */
1141     static char psz_lcall[20];
1142     snprintf( psz_lcall, sizeof(psz_lcall), "LC_ALL=%s", psz_lang );
1143     putenv( psz_lcall );
1144 #endif
1145
1146     setlocale( LC_ALL, psz_lang );
1147 }
1148 #endif
1149
1150 /*****************************************************************************
1151  * GetFilenames: parse command line options which are not flags
1152  *****************************************************************************
1153  * Parse command line for input files as well as their associated options.
1154  * An option always follows its associated input and begins with a ":".
1155  *****************************************************************************/
1156 static void GetFilenames( libvlc_int_t *p_vlc, unsigned n,
1157                           const char *const args[] )
1158 {
1159     while( n > 0 )
1160     {
1161         /* Count the input options */
1162         unsigned i_options = 0;
1163
1164         while( args[--n][0] == ':' )
1165         {
1166             i_options++;
1167             if( n == 0 )
1168             {
1169                 msg_Warn( p_vlc, "options %s without item", args[n] );
1170                 return; /* syntax!? */
1171             }
1172         }
1173
1174         char *mrl = make_URI( args[n], NULL );
1175         if( !mrl )
1176             continue;
1177
1178         playlist_AddExt( pl_Get( p_vlc ), mrl, NULL, PLAYLIST_INSERT,
1179                 0, -1, i_options, ( i_options ? &args[n + 1] : NULL ),
1180                 VLC_INPUT_OPTION_TRUSTED, true, pl_Unlocked );
1181         free( mrl );
1182     }
1183 }
1184
1185 /*****************************************************************************
1186  * Help: print program help
1187  *****************************************************************************
1188  * Print a short inline help. Message interface is initialized at this stage.
1189  *****************************************************************************/
1190 static inline void print_help_on_full_help( void )
1191 {
1192     utf8_fprintf( stdout, "\n" );
1193     utf8_fprintf( stdout, "%s\n", _("To get exhaustive help, use '-H'.") );
1194 }
1195
1196 static const char vlc_usage[] = N_(
1197                             "Usage: %s [options] [stream] ..."
1198                             "\nYou can specify multiple streams on the commandline. They will be enqueued in the playlist."
1199                             "\nThe first item specified will be played first."
1200                             "\n"
1201                             "\nOptions-styles:"
1202                             "\n  --option  A global option that is set for the duration of the program."
1203                             "\n   -option  A single letter version of a global --option."
1204                             "\n   :option  An option that only applies to the stream directly before it"
1205                             "\n            and that overrides previous settings."
1206                             "\n"
1207                             "\nStream MRL syntax:"
1208                             "\n  [[access][/demux]://]URL[@[title][:chapter][-[title][:chapter]]] [:option=value ...]"
1209                             "\n"
1210                             "\n  Many of the global --options can also be used as MRL specific :options."
1211                             "\n  Multiple :option=value pairs can be specified."
1212                             "\n"
1213                             "\nURL syntax:"
1214                             "\n  [file://]filename              Plain media file"
1215                             "\n  http://ip:port/file            HTTP URL"
1216                             "\n  ftp://ip:port/file             FTP URL"
1217                             "\n  mms://ip:port/file             MMS URL"
1218                             "\n  screen://                      Screen capture"
1219                             "\n  [dvd://][device][@raw_device]  DVD device"
1220                             "\n  [vcd://][device]               VCD device"
1221                             "\n  [cdda://][device]              Audio CD device"
1222                             "\n  udp://[[<source address>]@[<bind address>][:<bind port>]]"
1223                             "\n                                 UDP stream sent by a streaming server"
1224                             "\n  vlc://pause:<seconds>          Special item to pause the playlist for a certain time"
1225                             "\n  vlc://quit                     Special item to quit VLC"
1226                             "\n");
1227
1228 static void Help( libvlc_int_t *p_this, char const *psz_help_name )
1229 {
1230 #ifdef WIN32
1231     ShowConsole( true );
1232 #endif
1233
1234     if( psz_help_name && !strcmp( psz_help_name, "help" ) )
1235     {
1236         utf8_fprintf( stdout, vlc_usage, "vlc" );
1237         Usage( p_this, "=help" );
1238         Usage( p_this, "=main" );
1239         print_help_on_full_help();
1240     }
1241     else if( psz_help_name && !strcmp( psz_help_name, "longhelp" ) )
1242     {
1243         utf8_fprintf( stdout, vlc_usage, "vlc" );
1244         Usage( p_this, NULL );
1245         print_help_on_full_help();
1246     }
1247     else if( psz_help_name && !strcmp( psz_help_name, "full-help" ) )
1248     {
1249         utf8_fprintf( stdout, vlc_usage, "vlc" );
1250         Usage( p_this, NULL );
1251     }
1252     else if( psz_help_name )
1253     {
1254         Usage( p_this, psz_help_name );
1255     }
1256
1257 #ifdef WIN32        /* Pause the console because it's destroyed when we exit */
1258     PauseConsole();
1259 #endif
1260     fflush( stdout );
1261 }
1262
1263 /*****************************************************************************
1264  * Usage: print module usage
1265  *****************************************************************************
1266  * Print a short inline help. Message interface is initialized at this stage.
1267  *****************************************************************************/
1268 #   define COL(x)  "\033[" #x ";1m"
1269 #   define RED     COL(31)
1270 #   define GREEN   COL(32)
1271 #   define YELLOW  COL(33)
1272 #   define BLUE    COL(34)
1273 #   define MAGENTA COL(35)
1274 #   define CYAN    COL(36)
1275 #   define WHITE   COL(0)
1276 #   define GRAY    "\033[0m"
1277 static void
1278 print_help_section( const module_t *m, const module_config_t *p_item,
1279                     bool b_color, bool b_description )
1280 {
1281     if( !p_item ) return;
1282     if( b_color )
1283     {
1284         utf8_fprintf( stdout, RED"   %s:\n"GRAY,
1285                       module_gettext( m, p_item->psz_text ) );
1286         if( b_description && p_item->psz_longtext )
1287             utf8_fprintf( stdout, MAGENTA"   %s\n"GRAY,
1288                           module_gettext( m, p_item->psz_longtext ) );
1289     }
1290     else
1291     {
1292         utf8_fprintf( stdout, "   %s:\n",
1293                       module_gettext( m, p_item->psz_text ) );
1294         if( b_description && p_item->psz_longtext )
1295             utf8_fprintf( stdout, "   %s\n",
1296                           module_gettext(m, p_item->psz_longtext ) );
1297     }
1298 }
1299
1300 static void Usage( libvlc_int_t *p_this, char const *psz_search )
1301 {
1302 #define FORMAT_STRING "  %s --%s%s%s%s%s%s%s "
1303     /* short option ------'    | | | | | | |
1304      * option name ------------' | | | | | |
1305      * <bra ---------------------' | | | | |
1306      * option type or "" ----------' | | | |
1307      * ket> -------------------------' | | |
1308      * padding spaces -----------------' | |
1309      * comment --------------------------' |
1310      * comment suffix ---------------------'
1311      *
1312      * The purpose of having bra and ket is that we might i18n them as well.
1313      */
1314
1315 #define COLOR_FORMAT_STRING (WHITE"  %s --%s"YELLOW"%s%s%s%s%s%s "GRAY)
1316 #define COLOR_FORMAT_STRING_BOOL (WHITE"  %s --%s%s%s%s%s%s%s "GRAY)
1317
1318 #define LINE_START 8
1319 #define PADDING_SPACES 25
1320 #ifdef WIN32
1321 #   define OPTION_VALUE_SEP "="
1322 #else
1323 #   define OPTION_VALUE_SEP " "
1324 #endif
1325     char psz_spaces_text[PADDING_SPACES+LINE_START+1];
1326     char psz_spaces_longtext[LINE_START+3];
1327     char psz_format[sizeof(COLOR_FORMAT_STRING)];
1328     char psz_format_bool[sizeof(COLOR_FORMAT_STRING_BOOL)];
1329     char psz_buffer[10000];
1330     char psz_short[4];
1331     int i_width = ConsoleWidth() - (PADDING_SPACES+LINE_START+1);
1332     int i_width_description = i_width + PADDING_SPACES - 1;
1333     bool b_advanced    = var_InheritBool( p_this, "advanced" );
1334     bool b_description = var_InheritBool( p_this, "help-verbose" );
1335     bool b_description_hack;
1336     bool b_color       = var_InheritBool( p_this, "color" );
1337     bool b_has_advanced = false;
1338     bool b_found       = false;
1339     int  i_only_advanced = 0; /* Number of modules ignored because they
1340                                * only have advanced options */
1341     bool b_strict = psz_search && *psz_search == '=';
1342     if( b_strict ) psz_search++;
1343
1344     memset( psz_spaces_text, ' ', PADDING_SPACES+LINE_START );
1345     psz_spaces_text[PADDING_SPACES+LINE_START] = '\0';
1346     memset( psz_spaces_longtext, ' ', LINE_START+2 );
1347     psz_spaces_longtext[LINE_START+2] = '\0';
1348 #ifndef WIN32
1349     if( !isatty( 1 ) )
1350 #endif
1351         b_color = false; // don't put color control codes in a .txt file
1352
1353     if( b_color )
1354     {
1355         strcpy( psz_format, COLOR_FORMAT_STRING );
1356         strcpy( psz_format_bool, COLOR_FORMAT_STRING_BOOL );
1357     }
1358     else
1359     {
1360         strcpy( psz_format, FORMAT_STRING );
1361         strcpy( psz_format_bool, FORMAT_STRING );
1362     }
1363
1364     /* List all modules */
1365     module_t **list = module_list_get (NULL);
1366     if (!list)
1367         return;
1368
1369     /* Ugly hack to make sure that the help options always come first
1370      * (part 1) */
1371     if( !psz_search )
1372         Usage( p_this, "help" );
1373
1374     /* Enumerate the config for each module */
1375     for (size_t i = 0; list[i]; i++)
1376     {
1377         bool b_help_module;
1378         module_t *p_parser = list[i];
1379         module_config_t *p_item = NULL;
1380         module_config_t *p_section = NULL;
1381         module_config_t *p_end = p_parser->p_config + p_parser->confsize;
1382
1383         if( psz_search &&
1384             ( b_strict ? strcmp( psz_search, p_parser->psz_object_name )
1385                        : !strstr( p_parser->psz_object_name, psz_search ) ) )
1386         {
1387             char *const *pp_shortcuts = p_parser->pp_shortcuts;
1388             unsigned i;
1389             for( i = 0; i < p_parser->i_shortcuts; i++ )
1390             {
1391                 if( b_strict ? !strcmp( psz_search, pp_shortcuts[i] )
1392                              : !!strstr( pp_shortcuts[i], psz_search ) )
1393                     break;
1394             }
1395             if( i == p_parser->i_shortcuts )
1396                 continue;
1397         }
1398
1399         /* Ignore modules without config options */
1400         if( !p_parser->i_config_items )
1401         {
1402             continue;
1403         }
1404
1405         b_help_module = !strcmp( "help", p_parser->psz_object_name );
1406         /* Ugly hack to make sure that the help options always come first
1407          * (part 2) */
1408         if( !psz_search && b_help_module )
1409             continue;
1410
1411         /* Ignore modules with only advanced config options if requested */
1412         if( !b_advanced )
1413         {
1414             for( p_item = p_parser->p_config;
1415                  p_item < p_end;
1416                  p_item++ )
1417             {
1418                 if( (p_item->i_type & CONFIG_ITEM) &&
1419                     !p_item->b_advanced && !p_item->b_removed ) break;
1420             }
1421
1422             if( p_item == p_end )
1423             {
1424                 i_only_advanced++;
1425                 continue;
1426             }
1427         }
1428
1429         b_found = true;
1430
1431         /* Print name of module */
1432         if( strcmp( "main", p_parser->psz_object_name ) )
1433         {
1434             if( b_color )
1435                 utf8_fprintf( stdout, "\n " GREEN "%s" GRAY " (%s)\n",
1436                               module_gettext( p_parser, p_parser->psz_longname ),
1437                               p_parser->psz_object_name );
1438             else
1439                 utf8_fprintf( stdout, "\n %s\n",
1440                               module_gettext(p_parser, p_parser->psz_longname ) );
1441         }
1442         if( p_parser->psz_help )
1443         {
1444             if( b_color )
1445                 utf8_fprintf( stdout, CYAN" %s\n"GRAY,
1446                               module_gettext( p_parser, p_parser->psz_help ) );
1447             else
1448                 utf8_fprintf( stdout, " %s\n",
1449                               module_gettext( p_parser, p_parser->psz_help ) );
1450         }
1451
1452         /* Print module options */
1453         for( p_item = p_parser->p_config;
1454              p_item < p_end;
1455              p_item++ )
1456         {
1457             char *psz_text, *psz_spaces = psz_spaces_text;
1458             const char *psz_bra = NULL, *psz_type = NULL, *psz_ket = NULL;
1459             const char *psz_suf = "", *psz_prefix = NULL;
1460             signed int i;
1461             size_t i_cur_width;
1462
1463             /* Skip removed options */
1464             if( p_item->b_removed )
1465             {
1466                 continue;
1467             }
1468             /* Skip advanced options if requested */
1469             if( p_item->b_advanced && !b_advanced )
1470             {
1471                 b_has_advanced = true;
1472                 continue;
1473             }
1474
1475             switch( p_item->i_type )
1476             {
1477             case CONFIG_HINT_CATEGORY:
1478             case CONFIG_HINT_USAGE:
1479                 if( !strcmp( "main", p_parser->psz_object_name ) )
1480                 {
1481                     if( b_color )
1482                         utf8_fprintf( stdout, GREEN "\n %s\n" GRAY,
1483                                       module_gettext( p_parser, p_item->psz_text ) );
1484                     else
1485                         utf8_fprintf( stdout, "\n %s\n",
1486                                       module_gettext( p_parser, p_item->psz_text ) );
1487                 }
1488                 if( b_description && p_item->psz_longtext )
1489                 {
1490                     if( b_color )
1491                         utf8_fprintf( stdout, CYAN " %s\n" GRAY,
1492                                       module_gettext( p_parser, p_item->psz_longtext ) );
1493                     else
1494                         utf8_fprintf( stdout, " %s\n",
1495                                       module_gettext( p_parser, p_item->psz_longtext ) );
1496                 }
1497                 break;
1498
1499             case CONFIG_HINT_SUBCATEGORY:
1500                 if( strcmp( "main", p_parser->psz_object_name ) )
1501                     break;
1502             case CONFIG_SECTION:
1503                 p_section = p_item;
1504                 break;
1505
1506             case CONFIG_ITEM_STRING:
1507             case CONFIG_ITEM_LOADFILE:
1508             case CONFIG_ITEM_SAVEFILE:
1509             case CONFIG_ITEM_DIRECTORY:
1510             case CONFIG_ITEM_MODULE: /* We could also have "=<" here */
1511             case CONFIG_ITEM_MODULE_CAT:
1512             case CONFIG_ITEM_MODULE_LIST:
1513             case CONFIG_ITEM_MODULE_LIST_CAT:
1514             case CONFIG_ITEM_FONT:
1515             case CONFIG_ITEM_PASSWORD:
1516                 print_help_section( p_parser, p_section, b_color,
1517                                     b_description );
1518                 p_section = NULL;
1519                 psz_bra = OPTION_VALUE_SEP "<";
1520                 psz_type = _("string");
1521                 psz_ket = ">";
1522
1523                 if( p_item->ppsz_list )
1524                 {
1525                     psz_bra = OPTION_VALUE_SEP "{";
1526                     psz_type = psz_buffer;
1527                     psz_buffer[0] = '\0';
1528                     for( i = 0; p_item->ppsz_list[i]; i++ )
1529                     {
1530                         if( i ) strcat( psz_buffer, "," );
1531                         strcat( psz_buffer, p_item->ppsz_list[i] );
1532                     }
1533                     psz_ket = "}";
1534                 }
1535                 break;
1536             case CONFIG_ITEM_INTEGER:
1537             case CONFIG_ITEM_KEY: /* FIXME: do something a bit more clever */
1538                 print_help_section( p_parser, p_section, b_color,
1539                                     b_description );
1540                 p_section = NULL;
1541                 psz_bra = OPTION_VALUE_SEP "<";
1542                 psz_type = _("integer");
1543                 psz_ket = ">";
1544
1545                 if( p_item->min.i || p_item->max.i )
1546                 {
1547                     sprintf( psz_buffer, "%s [%"PRId64" .. %"PRId64"]",
1548                              psz_type, p_item->min.i, p_item->max.i );
1549                     psz_type = psz_buffer;
1550                 }
1551
1552                 if( p_item->i_list )
1553                 {
1554                     psz_bra = OPTION_VALUE_SEP "{";
1555                     psz_type = psz_buffer;
1556                     psz_buffer[0] = '\0';
1557                     for( i = 0; p_item->ppsz_list_text[i]; i++ )
1558                     {
1559                         if( i ) strcat( psz_buffer, ", " );
1560                         sprintf( psz_buffer + strlen(psz_buffer), "%i (%s)",
1561                                  p_item->pi_list[i],
1562                                  module_gettext( p_parser, p_item->ppsz_list_text[i] ) );
1563                     }
1564                     psz_ket = "}";
1565                 }
1566                 break;
1567             case CONFIG_ITEM_FLOAT:
1568                 print_help_section( p_parser, p_section, b_color,
1569                                     b_description );
1570                 p_section = NULL;
1571                 psz_bra = OPTION_VALUE_SEP "<";
1572                 psz_type = _("float");
1573                 psz_ket = ">";
1574                 if( p_item->min.f || p_item->max.f )
1575                 {
1576                     sprintf( psz_buffer, "%s [%f .. %f]", psz_type,
1577                              p_item->min.f, p_item->max.f );
1578                     psz_type = psz_buffer;
1579                 }
1580                 break;
1581             case CONFIG_ITEM_BOOL:
1582                 print_help_section( p_parser, p_section, b_color,
1583                                     b_description );
1584                 p_section = NULL;
1585                 psz_bra = ""; psz_type = ""; psz_ket = "";
1586                 if( !b_help_module )
1587                 {
1588                     psz_suf = p_item->value.i ? _(" (default enabled)") :
1589                                                 _(" (default disabled)");
1590                 }
1591                 break;
1592             }
1593
1594             if( !psz_type )
1595             {
1596                 continue;
1597             }
1598
1599             /* Add short option if any */
1600             if( p_item->i_short )
1601             {
1602                 sprintf( psz_short, "-%c,", p_item->i_short );
1603             }
1604             else
1605             {
1606                 strcpy( psz_short, "   " );
1607             }
1608
1609             i = PADDING_SPACES - strlen( p_item->psz_name )
1610                  - strlen( psz_bra ) - strlen( psz_type )
1611                  - strlen( psz_ket ) - 1;
1612
1613             if( p_item->i_type == CONFIG_ITEM_BOOL && !b_help_module )
1614             {
1615                 psz_prefix =  ", --no-";
1616                 i -= strlen( p_item->psz_name ) + strlen( psz_prefix );
1617             }
1618
1619             if( i < 0 )
1620             {
1621                 psz_spaces[0] = '\n';
1622                 i = 0;
1623             }
1624             else
1625             {
1626                 psz_spaces[i] = '\0';
1627             }
1628
1629             if( p_item->i_type == CONFIG_ITEM_BOOL && !b_help_module )
1630             {
1631                 utf8_fprintf( stdout, psz_format_bool, psz_short,
1632                               p_item->psz_name, psz_prefix, p_item->psz_name,
1633                               psz_bra, psz_type, psz_ket, psz_spaces );
1634             }
1635             else
1636             {
1637                 utf8_fprintf( stdout, psz_format, psz_short, p_item->psz_name,
1638                          "", "", psz_bra, psz_type, psz_ket, psz_spaces );
1639             }
1640
1641             psz_spaces[i] = ' ';
1642
1643             /* We wrap the rest of the output */
1644             sprintf( psz_buffer, "%s%s", module_gettext( p_parser, p_item->psz_text ),
1645                      psz_suf );
1646             b_description_hack = b_description;
1647
1648  description:
1649             psz_text = psz_buffer;
1650             i_cur_width = b_description && !b_description_hack
1651                           ? i_width_description
1652                           : i_width;
1653             while( *psz_text )
1654             {
1655                 char *psz_parser, *psz_word;
1656                 size_t i_end = strlen( psz_text );
1657
1658                 /* If the remaining text fits in a line, print it. */
1659                 if( i_end <= i_cur_width )
1660                 {
1661                     if( b_color )
1662                     {
1663                         if( !b_description || b_description_hack )
1664                             utf8_fprintf( stdout, BLUE"%s\n"GRAY, psz_text );
1665                         else
1666                             utf8_fprintf( stdout, "%s\n", psz_text );
1667                     }
1668                     else
1669                     {
1670                         utf8_fprintf( stdout, "%s\n", psz_text );
1671                     }
1672                     break;
1673                 }
1674
1675                 /* Otherwise, eat as many words as possible */
1676                 psz_parser = psz_text;
1677                 do
1678                 {
1679                     psz_word = psz_parser;
1680                     psz_parser = strchr( psz_word, ' ' );
1681                     /* If no space was found, we reached the end of the text
1682                      * block; otherwise, we skip the space we just found. */
1683                     psz_parser = psz_parser ? psz_parser + 1
1684                                             : psz_text + i_end;
1685
1686                 } while( (size_t)(psz_parser - psz_text) <= i_cur_width );
1687
1688                 /* We cut a word in one of these cases:
1689                  *  - it's the only word in the line and it's too long.
1690                  *  - we used less than 80% of the width and the word we are
1691                  *    going to wrap is longer than 40% of the width, and even
1692                  *    if the word would have fit in the next line. */
1693                 if( psz_word == psz_text
1694              || ( (size_t)(psz_word - psz_text) < 80 * i_cur_width / 100
1695              && (size_t)(psz_parser - psz_word) > 40 * i_cur_width / 100 ) )
1696                 {
1697                     char c = psz_text[i_cur_width];
1698                     psz_text[i_cur_width] = '\0';
1699                     if( b_color )
1700                     {
1701                         if( !b_description || b_description_hack )
1702                             utf8_fprintf( stdout, BLUE"%s\n%s"GRAY,
1703                                           psz_text, psz_spaces );
1704                         else
1705                             utf8_fprintf( stdout, "%s\n%s",
1706                                           psz_text, psz_spaces );
1707                     }
1708                     else
1709                     {
1710                         utf8_fprintf( stdout, "%s\n%s", psz_text, psz_spaces );
1711                     }
1712                     psz_text += i_cur_width;
1713                     psz_text[0] = c;
1714                 }
1715                 else
1716                 {
1717                     psz_word[-1] = '\0';
1718                     if( b_color )
1719                     {
1720                         if( !b_description || b_description_hack )
1721                             utf8_fprintf( stdout, BLUE"%s\n%s"GRAY,
1722                                           psz_text, psz_spaces );
1723                         else
1724                             utf8_fprintf( stdout, "%s\n%s",
1725                                           psz_text, psz_spaces );
1726                     }
1727                     else
1728                     {
1729                         utf8_fprintf( stdout, "%s\n%s", psz_text, psz_spaces );
1730                     }
1731                     psz_text = psz_word;
1732                 }
1733             }
1734
1735             if( b_description_hack && p_item->psz_longtext )
1736             {
1737                 sprintf( psz_buffer, "%s%s",
1738                          module_gettext( p_parser, p_item->psz_longtext ),
1739                          psz_suf );
1740                 b_description_hack = false;
1741                 psz_spaces = psz_spaces_longtext;
1742                 utf8_fprintf( stdout, "%s", psz_spaces );
1743                 goto description;
1744             }
1745         }
1746     }
1747
1748     if( b_has_advanced )
1749     {
1750         if( b_color )
1751             utf8_fprintf( stdout, "\n" WHITE "%s" GRAY " %s\n", _( "Note:" ),
1752            _( "add --advanced to your command line to see advanced options."));
1753         else
1754             utf8_fprintf( stdout, "\n%s %s\n", _( "Note:" ),
1755            _( "add --advanced to your command line to see advanced options."));
1756     }
1757
1758     if( i_only_advanced > 0 )
1759     {
1760         if( b_color )
1761         {
1762             utf8_fprintf( stdout, "\n" WHITE "%s" GRAY " ", _( "Note:" ) );
1763             utf8_fprintf( stdout, _( "%d module(s) were not displayed because they only have advanced options.\n" ), i_only_advanced );
1764         }
1765         else
1766         {
1767             utf8_fprintf( stdout, "\n%s ", _( "Note:" ) );
1768             utf8_fprintf( stdout, _( "%d module(s) were not displayed because they only have advanced options.\n" ), i_only_advanced );
1769         }
1770     }
1771     else if( !b_found )
1772     {
1773         if( b_color )
1774             utf8_fprintf( stdout, "\n" WHITE "%s" GRAY "\n",
1775                        _( "No matching module found. Use --list or " \
1776                           "--list-verbose to list available modules." ) );
1777         else
1778             utf8_fprintf( stdout, "\n%s\n",
1779                        _( "No matching module found. Use --list or " \
1780                           "--list-verbose to list available modules." ) );
1781     }
1782
1783     /* Release the module list */
1784     module_list_free (list);
1785 }
1786
1787 /*****************************************************************************
1788  * ListModules: list the available modules with their description
1789  *****************************************************************************
1790  * Print a list of all available modules (builtins and plugins) and a short
1791  * description for each one.
1792  *****************************************************************************/
1793 static void ListModules( libvlc_int_t *p_this, bool b_verbose )
1794 {
1795     module_t *p_parser;
1796
1797     bool b_color = var_InheritBool( p_this, "color" );
1798
1799 #ifdef WIN32
1800     ShowConsole( true );
1801     b_color = false; // don't put color control codes in a .txt file
1802 #else
1803     if( !isatty( 1 ) )
1804         b_color = false;
1805 #endif
1806
1807     /* List all modules */
1808     module_t **list = module_list_get (NULL);
1809
1810     /* Enumerate each module */
1811     for (size_t j = 0; (p_parser = list[j]) != NULL; j++)
1812     {
1813         if( b_color )
1814             utf8_fprintf( stdout, GREEN"  %-22s "WHITE"%s\n"GRAY,
1815                           p_parser->psz_object_name,
1816                           module_gettext( p_parser, p_parser->psz_longname ) );
1817         else
1818             utf8_fprintf( stdout, "  %-22s %s\n",
1819                           p_parser->psz_object_name,
1820                           module_gettext( p_parser, p_parser->psz_longname ) );
1821
1822         if( b_verbose )
1823         {
1824             char *const *pp_shortcuts = p_parser->pp_shortcuts;
1825             for( unsigned i = 0; i < p_parser->i_shortcuts; i++ )
1826             {
1827                 if( strcmp( pp_shortcuts[i], p_parser->psz_object_name ) )
1828                 {
1829                     if( b_color )
1830                         utf8_fprintf( stdout, CYAN"   s %s\n"GRAY,
1831                                       pp_shortcuts[i] );
1832                     else
1833                         utf8_fprintf( stdout, "   s %s\n",
1834                                       pp_shortcuts[i] );
1835                 }
1836             }
1837             if( p_parser->psz_capability )
1838             {
1839                 if( b_color )
1840                     utf8_fprintf( stdout, MAGENTA"   c %s (%d)\n"GRAY,
1841                                   p_parser->psz_capability,
1842                                   p_parser->i_score );
1843                 else
1844                     utf8_fprintf( stdout, "   c %s (%d)\n",
1845                                   p_parser->psz_capability,
1846                                   p_parser->i_score );
1847             }
1848         }
1849     }
1850     module_list_free (list);
1851
1852 #ifdef WIN32        /* Pause the console because it's destroyed when we exit */
1853     PauseConsole();
1854 #endif
1855 }
1856
1857 /*****************************************************************************
1858  * Version: print complete program version
1859  *****************************************************************************
1860  * Print complete program version and build number.
1861  *****************************************************************************/
1862 static void Version( void )
1863 {
1864 #ifdef WIN32
1865     ShowConsole( true );
1866 #endif
1867
1868     utf8_fprintf( stdout, _("VLC version %s (%s)\n"), VLC_Version(),
1869                   psz_vlc_changeset );
1870     utf8_fprintf( stdout, _("Compiled by %s on %s (%s)\n"),
1871              VLC_CompileBy(), VLC_CompileHost(), __DATE__" "__TIME__ );
1872     utf8_fprintf( stdout, _("Compiler: %s\n"), VLC_Compiler() );
1873     utf8_fprintf( stdout, "%s", LICENSE_MSG );
1874
1875 #ifdef WIN32        /* Pause the console because it's destroyed when we exit */
1876     PauseConsole();
1877 #endif
1878 }
1879
1880 /*****************************************************************************
1881  * ShowConsole: On Win32, create an output console for debug messages
1882  *****************************************************************************
1883  * This function is useful only on Win32.
1884  *****************************************************************************/
1885 #ifdef WIN32 /*  */
1886 static void ShowConsole( bool b_dofile )
1887 {
1888 #   ifndef UNDER_CE
1889     FILE *f_help = NULL;
1890
1891     if( getenv( "PWD" ) && getenv( "PS1" ) ) return; /* cygwin shell */
1892
1893     AllocConsole();
1894     /* Use the ANSI code page (e.g. Windows-1252) as expected by the LibVLC
1895      * Unicode/locale subsystem. By default, we have the obsolecent OEM code
1896      * page (e.g. CP437 or CP850). */
1897     SetConsoleOutputCP (GetACP ());
1898     SetConsoleTitle ("VLC media player version "PACKAGE_VERSION);
1899
1900     freopen( "CONOUT$", "w", stderr );
1901     freopen( "CONIN$", "r", stdin );
1902
1903     if( b_dofile && (f_help = fopen( "vlc-help.txt", "wt" )) )
1904     {
1905         fclose( f_help );
1906         freopen( "vlc-help.txt", "wt", stdout );
1907         utf8_fprintf( stderr, _("\nDumped content to vlc-help.txt file.\n") );
1908     }
1909     else freopen( "CONOUT$", "w", stdout );
1910
1911 #   endif
1912 }
1913 #endif
1914
1915 /*****************************************************************************
1916  * PauseConsole: On Win32, wait for a key press before closing the console
1917  *****************************************************************************
1918  * This function is useful only on Win32.
1919  *****************************************************************************/
1920 #ifdef WIN32 /*  */
1921 static void PauseConsole( void )
1922 {
1923 #   ifndef UNDER_CE
1924
1925     if( getenv( "PWD" ) && getenv( "PS1" ) ) return; /* cygwin shell */
1926
1927     utf8_fprintf( stderr, _("\nPress the RETURN key to continue...\n") );
1928     getchar();
1929     fclose( stdout );
1930
1931 #   endif
1932 }
1933 #endif
1934
1935 /*****************************************************************************
1936  * ConsoleWidth: Return the console width in characters
1937  *****************************************************************************
1938  * We use the stty shell command to get the console width; if this fails or
1939  * if the width is less than 80, we default to 80.
1940  *****************************************************************************/
1941 static int ConsoleWidth( void )
1942 {
1943     unsigned i_width = 80;
1944
1945 #ifndef WIN32
1946     FILE *file = popen( "stty size 2>/dev/null", "r" );
1947     if (file != NULL)
1948     {
1949         if (fscanf (file, "%*u %u", &i_width) <= 0)
1950             i_width = 80;
1951         pclose( file );
1952     }
1953 #elif !defined (UNDER_CE)
1954     CONSOLE_SCREEN_BUFFER_INFO buf;
1955
1956     if (GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &buf))
1957         i_width = buf.dwSize.X;
1958 #endif
1959
1960     return i_width;
1961 }