libvlc.c 69.8 KB
Newer Older
1
/*****************************************************************************
2
 * libvlc.c: libvlc instances creation and deletion, interfaces handling
3
 *****************************************************************************
4
 * Copyright (C) 1998-2008 the VideoLAN team
5
 * $Id$
6 7 8
 *
 * Authors: Vincent Seguin <seguin@via.ecp.fr>
 *          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 14 15 16 17 18 19 20 21 22 23 24
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
Antoine Cellerier's avatar
Antoine Cellerier committed
25
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
26 27
 *****************************************************************************/

28 29 30
/** \file
 * This file contains functions to create and destroy libvlc instances
 */
31 32 33 34

/*****************************************************************************
 * Preamble
 *****************************************************************************/
35 36 37 38
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

39
#include <vlc_common.h>
Clément Stenac's avatar
Clément Stenac committed
40
#include "control/libvlc_internal.h"
41
#include <vlc_input.h>
42

43 44 45
#include "modules/modules.h"
#include "config/configuration.h"
#include "interface/interface.h"
46

47 48 49 50
#include <errno.h>                                                 /* ENOMEM */
#include <stdio.h>                                              /* sprintf() */
#include <string.h>
#include <stdlib.h>                                                /* free() */
51

52 53 54
#ifndef WIN32
#   include <netinet/in.h>                            /* BSD: struct in_addr */
#endif
55

56 57 58 59 60
#ifdef HAVE_UNISTD_H
#   include <unistd.h>
#elif defined( WIN32 ) && !defined( UNDER_CE )
#   include <io.h>
#endif
61

62 63 64
#ifdef WIN32                       /* optind, getopt(), included in unistd.h */
#   include "extras/getopt.h"
#endif
65

66 67 68
#ifdef HAVE_LOCALE_H
#   include <locale.h>
#endif
69

70
#ifdef HAVE_DBUS
71 72 73
/* used for one-instance mode */
#   include <dbus/dbus.h>
#endif
74

75 76 77
#ifdef HAVE_HAL
#   include <hal/libhal.h>
#endif
Gildas Bazin's avatar
 
Gildas Bazin committed
78

79 80 81 82 83 84
#if defined(__GNUC__)
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 0)
#define USE_SYNC
#endif
#endif

85 86
#include <vlc_playlist.h>
#include <vlc_interface.h>
Sam Hocevar's avatar
Sam Hocevar committed
87

88 89
#include <vlc_aout.h>
#include "audio_output/aout_internal.h"
90

91 92 93
#include <vlc_vout.h>
#include <vlc_sout.h>
#include <vlc_charset.h>
94

95
#include "libvlc.h"
96

97
#include "playlist/playlist_internal.h"
98

99
#include <vlc_vlm.h>
100

101 102 103 104
#ifdef __APPLE__
# include <libkern/OSAtomic.h>
#endif

105
#include <assert.h>
106

107
/*****************************************************************************
108
 * The evil global variables. We handle them with care, don't worry.
109
 *****************************************************************************/
110 111
static libvlc_int_t *    p_static_vlc = NULL;
static unsigned          i_instances = 0;
112

113
#ifndef WIN32
114
static bool b_daemon = false;
115
#endif
116

117 118 119
#undef vlc_gc_init
#undef vlc_hold
#undef vlc_release
120

121 122 123 124 125 126 127 128
/**
 * Atomically set the reference count to 1.
 * @param p_gc reference counted object
 * @param pf_destruct destruction calback
 * @return p_gc.
 */
void *vlc_gc_init (gc_object_t *p_gc, void (*pf_destruct) (gc_object_t *))
{
129 130
    /* There is no point in using the GC if there is destructor... */
    assert (pf_destruct);
131 132
    p_gc->pf_destructor = pf_destruct;

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
133
    p_gc->refs = 1;
134
#ifdef USE_SYNC
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
135
    __sync_synchronize ();
136 137
#elif defined(__APPLE__)
    OSMemoryBarrier ();
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
138
#else
139 140 141 142
    /* Nobody else can possibly lock the spin - it's there as a barrier */
    vlc_spin_init (&p_gc->spin);
    vlc_spin_lock (&p_gc->spin);
    vlc_spin_unlock (&p_gc->spin);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
143
#endif
144
    return p_gc;
145 146
}

147 148 149 150 151 152
/**
 * Atomically increment the reference count.
 * @param p_gc reference counted object
 * @return p_gc.
 */
void *vlc_hold (gc_object_t * p_gc)
153
{
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
154
    uintptr_t refs;
155 156
    assert( p_gc );

157
#ifdef USE_SYNC
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
158
    refs = __sync_fetch_and_add (&p_gc->refs, 1);
159
#elif defined(__APPLE__)
160
    refs = OSAtomicIncrement32Barrier((int*)&p_gc->refs) - 1;
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
161
#else
162
    vlc_spin_lock (&p_gc->spin);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
163
    refs = p_gc->refs++;
164
    vlc_spin_unlock (&p_gc->spin);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
165 166
#endif
    assert (refs > 0);
167
    return p_gc;
168 169
}

170 171 172 173 174
/**
 * Atomically decrement the reference count and, if it reaches zero, destroy.
 * @param p_gc reference counted object.
 */
void vlc_release (gc_object_t *p_gc)
175
{
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
176
    unsigned refs;
177 178

    assert( p_gc );
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
179

180
#ifdef USE_SYNC
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
181
    refs = __sync_fetch_and_sub (&p_gc->refs, 1);
182
#elif defined(__APPLE__)
183
    refs = OSAtomicDecrement32Barrier((int*)&p_gc->refs) + 1;
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
184
#else
185
    vlc_spin_lock (&p_gc->spin);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
186
    refs = p_gc->refs--;
187
    vlc_spin_unlock (&p_gc->spin);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
188
#endif
189

190 191
    assert (refs > 0);
    if (refs == 1)
192
    {
193 194 195
#ifdef USE_SYNC
#elif defined(__APPLE__)
#else
196
        vlc_spin_destroy (&p_gc->spin);
197
#endif
198 199
        p_gc->pf_destructor (p_gc);
    }
200 201
}

202
/*****************************************************************************
203
 * Local prototypes
204
 *****************************************************************************/
205 206 207 208 209 210 211
#if defined( ENABLE_NLS ) && (defined (__APPLE__) || defined (WIN32)) && \
    ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
static void SetLanguage   ( char const * );
#endif
static inline int LoadMessages (void);
static int  GetFilenames  ( libvlc_int_t *, int, const char *[] );
static void Help          ( libvlc_int_t *, char const *psz_help_name );
212
static void Usage         ( libvlc_int_t *, char const *psz_search );
213 214 215 216 217 218 219 220
static void ListModules   ( libvlc_int_t *, bool );
static void Version       ( void );

#ifdef WIN32
static void ShowConsole   ( bool );
static void PauseConsole  ( void );
#endif
static int  ConsoleWidth  ( void );
221

222 223 224 225
static int  VerboseCallback( vlc_object_t *, char const *,
                             vlc_value_t, vlc_value_t, void * );

static void InitDeviceValues( libvlc_int_t * );
226

227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245
/**
 * Allocate a libvlc instance, initialize global data if needed
 * It also initializes the threading system
 */
libvlc_int_t * libvlc_InternalCreate( void )
{
    libvlc_int_t *p_libvlc;
    libvlc_priv_t *priv;
    char *psz_env = NULL;

    /* vlc_threads_init *must* be the first internal call! No other call is
     * allowed before the thread system has been initialized. */
    if (vlc_threads_init ())
        return NULL;

    /* Now that the thread system is initialized, we don't have much, but
     * at least we have variables */
    vlc_mutex_t *lock = var_AcquireMutex( "libvlc" );
    if( i_instances == 0 )
246
    {
247 248
        /* Guess what CPU we have */
        cpu_flags = CPUCapabilities();
249 250
        /* The module bank will be initialized later */
        p_module_bank = NULL;
251
    }
252 253

    /* Allocate a libvlc instance object */
254
    p_libvlc = __vlc_custom_create( NULL, sizeof (*priv),
255 256 257 258 259 260 261 262 263 264 265 266
                                  VLC_OBJECT_LIBVLC, "libvlc" );
    if( p_libvlc != NULL )
        i_instances++;
    vlc_mutex_unlock( lock );

    if( p_libvlc == NULL )
        return NULL;

    priv = libvlc_priv (p_libvlc);
    priv->p_playlist = NULL;
    priv->p_interaction = NULL;
    priv->p_vlm = NULL;
267
    p_libvlc->psz_object_name = strdup( "libvlc" );
268 269 270 271 272 273 274 275

    /* Initialize message queue */
    msg_Create( p_libvlc );

    /* Find verbosity from VLC_VERBOSE environment variable */
    psz_env = getenv( "VLC_VERBOSE" );
    if( psz_env != NULL )
        priv->i_verbose = atoi( psz_env );
276
    else
277 278 279 280 281 282 283 284
        priv->i_verbose = 3;
#if defined( HAVE_ISATTY ) && !defined( WIN32 )
    priv->b_color = isatty( 2 ); /* 2 is for stderr */
#else
    priv->b_color = false;
#endif

    /* Announce who we are - Do it only for first instance ? */
285
    msg_Dbg( p_libvlc, "%s", COPYRIGHT_MESSAGE );
286 287 288 289 290 291 292 293 294 295
    msg_Dbg( p_libvlc, "libvlc was configured with %s", CONFIGURE_LINE );

    /* Initialize mutexes */
    vlc_mutex_init( &priv->timer_lock );
    vlc_mutex_init( &priv->config_lock );

    /* Store data for the non-reentrant API */
    p_static_vlc = p_libvlc;

    return p_libvlc;
296 297 298
}

/**
299 300 301 302 303 304
 * Initialize a libvlc instance
 * This function initializes a previously allocated libvlc instance:
 *  - CPU detection
 *  - gettext initialization
 *  - message queue, module bank and playlist initialization
 *  - configuration and commandline parsing
305
 */
306 307
int libvlc_InternalInit( libvlc_int_t *p_libvlc, int i_argc,
                         const char *ppsz_argv[] )
308
{
309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324
    libvlc_priv_t *priv = libvlc_priv (p_libvlc);
    char         p_capabilities[200];
    char *       p_tmp = NULL;
    char *       psz_modules = NULL;
    char *       psz_parser = NULL;
    char *       psz_control = NULL;
    bool   b_exit = false;
    int          i_ret = VLC_EEXIT;
    playlist_t  *p_playlist = NULL;
    vlc_value_t  val;
#if defined( ENABLE_NLS ) \
     && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
# if defined (WIN32) || defined (__APPLE__)
    char *       psz_language;
#endif
#endif
325

326 327
    /* System specific initialization code */
    system_Init( p_libvlc, &i_argc, ppsz_argv );
328

329 330 331 332
    /*
     * Support for gettext
     */
    LoadMessages ();
333

334 335
    /* Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
    msg_Dbg( p_libvlc, "translation test: code is \"%s\"", _("C") );
336

337 338 339 340 341
    /* Initialize the module bank and load the configuration of the
     * main module. We need to do this at this stage to be able to display
     * a short help if required by the user. (short help == main module
     * options) */
    module_InitBank( p_libvlc );
342

343
    if( config_LoadCmdLine( p_libvlc, &i_argc, ppsz_argv, true ) )
344
    {
345 346
        module_EndBank( p_libvlc );
        return VLC_EGENERIC;
347 348
    }

349 350 351 352 353 354 355 356 357
    /* Check for short help option */
    if( config_GetInt( p_libvlc, "help" ) > 0 )
    {
        Help( p_libvlc, "help" );
        b_exit = true;
        i_ret = VLC_EEXITSUCCESS;
    }
    /* Check for version option */
    else if( config_GetInt( p_libvlc, "version" ) > 0 )
358
    {
359 360 361
        Version();
        b_exit = true;
        i_ret = VLC_EEXITSUCCESS;
362 363
    }

364 365
    /* Set the config file stuff */
    priv->psz_configfile = config_GetCustomConfigFile( p_libvlc );
366

367 368 369
    /* Check for plugins cache options */
    if( config_GetInt( p_libvlc, "reset-plugins-cache" ) > 0 )
    {
370
        p_module_bank->b_cache_delete = true;
371
    }
372

373 374
    /* Will be re-done properly later on */
    priv->i_verbose = config_GetInt( p_libvlc, "verbose" );
375

376 377 378
    /* Check for daemon mode */
#ifndef WIN32
    if( config_GetInt( p_libvlc, "daemon" ) > 0 )
379
    {
380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413
#ifdef HAVE_DAEMON
        char *psz_pidfile = NULL;

        if( daemon( 1, 0) != 0 )
        {
            msg_Err( p_libvlc, "Unable to fork vlc to daemon mode" );
            b_exit = true;
        }
        b_daemon = true;

        /* lets check if we need to write the pidfile */
        psz_pidfile = config_GetPsz( p_libvlc, "pidfile" );
        if( psz_pidfile != NULL )
        {
            FILE *pidfile;
            pid_t i_pid = getpid ();
            msg_Dbg( p_libvlc, "PID is %d, writing it to %s",
                               i_pid, psz_pidfile );
            pidfile = utf8_fopen( psz_pidfile,"w" );
            if( pidfile != NULL )
            {
                utf8_fprintf( pidfile, "%d", (int)i_pid );
                fclose( pidfile );
            }
            else
            {
                msg_Err( p_libvlc, "cannot open pid file for writing: %s (%m)",
                         psz_pidfile );
            }
        }
        free( psz_pidfile );

#else
        pid_t i_pid;
414

415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439
        if( ( i_pid = fork() ) < 0 )
        {
            msg_Err( p_libvlc, "unable to fork vlc to daemon mode" );
            b_exit = true;
        }
        else if( i_pid )
        {
            /* This is the parent, exit right now */
            msg_Dbg( p_libvlc, "closing parent process" );
            b_exit = true;
            i_ret = VLC_EEXITSUCCESS;
        }
        else
        {
            /* We are the child */
            msg_Dbg( p_libvlc, "daemon spawned" );
            close( STDIN_FILENO );
            close( STDOUT_FILENO );
            close( STDERR_FILENO );

            b_daemon = true;
        }
#endif
    }
#endif
440

441
    if( b_exit )
442
    {
443 444
        module_EndBank( p_libvlc );
        return i_ret;
445 446
    }

447 448 449 450 451 452
    /* Check for translation config option */
#if defined( ENABLE_NLS ) \
     && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
# if defined (WIN32) || defined (__APPLE__)
    /* This ain't really nice to have to reload the config here but it seems
     * the only way to do it. */
453

454 455 456
    if( !config_GetInt( p_libvlc, "ignore-config" ) )
        config_LoadConfigFile( p_libvlc, "main" );
    config_LoadCmdLine( p_libvlc, &i_argc, ppsz_argv, true );
457

458 459 460 461
    /* Check if the user specified a custom language */
    psz_language = config_GetPsz( p_libvlc, "language" );
    if( psz_language && *psz_language && strcmp( psz_language, "auto" ) )
    {
462
        bool b_cache_delete = p_module_bank->b_cache_delete;
463

464 465 466 467 468 469 470 471 472 473 474
        /* Reset the default domain */
        SetLanguage( psz_language );

        /* Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
        msg_Dbg( p_libvlc, "translation test: code is \"%s\"", _("C") );

        module_EndBank( p_libvlc );
        module_InitBank( p_libvlc );
        if( !config_GetInt( p_libvlc, "ignore-config" ) )
            config_LoadConfigFile( p_libvlc, "main" );
        config_LoadCmdLine( p_libvlc, &i_argc, ppsz_argv, true );
475
        p_module_bank->b_cache_delete = b_cache_delete;
476 477 478 479 480 481 482 483 484 485 486 487 488 489
    }
    free( psz_language );
# endif
#endif

    /*
     * Load the builtins and plugins into the module_bank.
     * We have to do it before config_Load*() because this also gets the
     * list of configuration options exported by each module and loads their
     * default values.
     */
    module_LoadBuiltins( p_libvlc );
    module_LoadPlugins( p_libvlc );
    if( p_libvlc->b_die )
490
    {
491
        b_exit = true;
492 493
    }

494
    msg_Dbg( p_libvlc, "module bank initialized, found %i modules",
495
             vlc_internals( p_module_bank )->i_children );
496 497 498 499 500 501 502 503 504

    /* Check for help on modules */
    if( (p_tmp = config_GetPsz( p_libvlc, "module" )) )
    {
        Help( p_libvlc, p_tmp );
        free( p_tmp );
        b_exit = true;
        i_ret = VLC_EEXITSUCCESS;
    }
505 506 507 508 509 510 511 512 513
    /* Check for full help option */
    else if( config_GetInt( p_libvlc, "full-help" ) > 0 )
    {
        config_PutInt( p_libvlc, "advanced", 1);
        config_PutInt( p_libvlc, "help-verbose", 1);
        Help( p_libvlc, "full-help" );
        b_exit = true;
        i_ret = VLC_EEXITSUCCESS;
    }
514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533
    /* Check for long help option */
    else if( config_GetInt( p_libvlc, "longhelp" ) > 0 )
    {
        Help( p_libvlc, "longhelp" );
        b_exit = true;
        i_ret = VLC_EEXITSUCCESS;
    }
    /* Check for module list option */
    else if( config_GetInt( p_libvlc, "list" ) > 0 )
    {
        ListModules( p_libvlc, false );
        b_exit = true;
        i_ret = VLC_EEXITSUCCESS;
    }
    else if( config_GetInt( p_libvlc, "list-verbose" ) > 0 )
    {
        ListModules( p_libvlc, true );
        b_exit = true;
        i_ret = VLC_EEXITSUCCESS;
    }
534

535 536
    /* Check for config file options */
    if( !config_GetInt( p_libvlc, "ignore-config" ) )
537
    {
538 539 540 541 542 543 544 545 546 547 548 549
        if( config_GetInt( p_libvlc, "reset-config" ) > 0 )
        {
            config_ResetAll( p_libvlc );
            config_LoadCmdLine( p_libvlc, &i_argc, ppsz_argv, true );
            config_SaveConfigFile( p_libvlc, NULL );
        }
        if( config_GetInt( p_libvlc, "save-config" ) > 0 )
        {
            config_LoadConfigFile( p_libvlc, NULL );
            config_LoadCmdLine( p_libvlc, &i_argc, ppsz_argv, true );
            config_SaveConfigFile( p_libvlc, NULL );
        }
550 551
    }

552
    if( b_exit )
553
    {
554 555
        module_EndBank( p_libvlc );
        return i_ret;
556
    }
557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572

    /*
     * Init device values
     */
    InitDeviceValues( p_libvlc );

    /*
     * Override default configuration with config file settings
     */
    if( !config_GetInt( p_libvlc, "ignore-config" ) )
        config_LoadConfigFile( p_libvlc, NULL );

    /*
     * Override configuration with command line settings
     */
    if( config_LoadCmdLine( p_libvlc, &i_argc, ppsz_argv, false ) )
573
    {
574 575 576 577 578 579 580 581 582
#ifdef WIN32
        ShowConsole( false );
        /* Pause the console because it's destroyed when we exit */
        fprintf( stderr, "The command line options couldn't be loaded, check "
                 "that they are valid.\n" );
        PauseConsole();
#endif
        module_EndBank( p_libvlc );
        return VLC_EGENERIC;
583 584
    }

585 586 587 588
    /*
     * System specific configuration
     */
    system_Configure( p_libvlc, &i_argc, ppsz_argv );
589

590
/* FIXME: could be replaced by using Unix sockets */
591
#ifdef HAVE_DBUS
592
    dbus_threads_init_default();
593

594 595 596
    if( config_GetInt( p_libvlc, "one-instance" ) > 0
        || ( config_GetInt( p_libvlc, "one-instance-when-started-from-file" )
             && config_GetInt( p_libvlc, "started-from-file" ) ) )
597
    {
598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709
        /* Initialise D-Bus interface, check for other instances */
        DBusConnection  *p_conn = NULL;
        DBusError       dbus_error;

        dbus_error_init( &dbus_error );

        /* connect to the session bus */
        p_conn = dbus_bus_get( DBUS_BUS_SESSION, &dbus_error );
        if( !p_conn )
        {
            msg_Err( p_libvlc, "Failed to connect to D-Bus session daemon: %s",
                    dbus_error.message );
            dbus_error_free( &dbus_error );
        }
        else
        {
            /* check if VLC is available on the bus
             * if not: D-Bus control is not enabled on the other
             * instance and we can't pass MRLs to it */
            DBusMessage *p_test_msg = NULL;
            DBusMessage *p_test_reply = NULL;
            p_test_msg =  dbus_message_new_method_call(
                    "org.mpris.vlc", "/",
                    "org.freedesktop.MediaPlayer", "Identity" );
            /* block until a reply arrives */
            p_test_reply = dbus_connection_send_with_reply_and_block(
                    p_conn, p_test_msg, -1, &dbus_error );
            dbus_message_unref( p_test_msg );
            if( p_test_reply == NULL )
            {
                dbus_error_free( &dbus_error );
                msg_Dbg( p_libvlc, "No Media Player is running. "
                        "Continuing normally." );
            }
            else
            {
                int i_input;
                DBusMessage* p_dbus_msg = NULL;
                DBusMessageIter dbus_args;
                DBusPendingCall* p_dbus_pending = NULL;
                dbus_bool_t b_play;

                dbus_message_unref( p_test_reply );
                msg_Warn( p_libvlc, "Another Media Player is running. Exiting");

                for( i_input = optind;i_input < i_argc;i_input++ )
                {
                    msg_Dbg( p_libvlc, "Adds %s to the running Media Player",
                            ppsz_argv[i_input] );

                    p_dbus_msg = dbus_message_new_method_call(
                            "org.mpris.vlc", "/TrackList",
                            "org.freedesktop.MediaPlayer", "AddTrack" );

                    if ( NULL == p_dbus_msg )
                    {
                        msg_Err( p_libvlc, "D-Bus problem" );
                        system_End( p_libvlc );
                        exit( VLC_ETIMEOUT );
                    }

                    /* append MRLs */
                    dbus_message_iter_init_append( p_dbus_msg, &dbus_args );
                    if ( !dbus_message_iter_append_basic( &dbus_args,
                                DBUS_TYPE_STRING, &ppsz_argv[i_input] ) )
                    {
                        dbus_message_unref( p_dbus_msg );
                        system_End( p_libvlc );
                        exit( VLC_ENOMEM );
                    }
                    b_play = TRUE;
                    if( config_GetInt( p_libvlc, "playlist-enqueue" ) > 0 )
                        b_play = FALSE;
                    if ( !dbus_message_iter_append_basic( &dbus_args,
                                DBUS_TYPE_BOOLEAN, &b_play ) )
                    {
                        dbus_message_unref( p_dbus_msg );
                        system_End( p_libvlc );
                        exit( VLC_ENOMEM );
                    }

                    /* send message and get a handle for a reply */
                    if ( !dbus_connection_send_with_reply ( p_conn,
                                p_dbus_msg, &p_dbus_pending, -1 ) )
                    {
                        msg_Err( p_libvlc, "D-Bus problem" );
                        dbus_message_unref( p_dbus_msg );
                        system_End( p_libvlc );
                        exit( VLC_ETIMEOUT );
                    }

                    if ( NULL == p_dbus_pending )
                    {
                        msg_Err( p_libvlc, "D-Bus problem" );
                        dbus_message_unref( p_dbus_msg );
                        system_End( p_libvlc );
                        exit( VLC_ETIMEOUT );
                    }
                    dbus_connection_flush( p_conn );
                    dbus_message_unref( p_dbus_msg );
                    /* block until we receive a reply */
                    dbus_pending_call_block( p_dbus_pending );
                    dbus_pending_call_unref( p_dbus_pending );
                } /* processes all command line MRLs */

                /* bye bye */
                system_End( p_libvlc );
                exit( VLC_SUCCESS );
            }
        }
        /* we unreference the connection when we've finished with it */
        if( p_conn ) dbus_connection_unref( p_conn );
710
    }
711
#endif
712

713 714 715
    /*
     * Message queue options
     */
716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737
    char * psz_verbose_objects = config_GetPsz( p_libvlc, "verbose-objects" );
    if( psz_verbose_objects )
    {
        char * psz_object, * iter = psz_verbose_objects;
        while( (psz_object = strsep( &iter, "," )) )
        {
            switch( psz_object[0] )
            {
                printf("%s\n", psz_object+1);
                case '+': msg_EnableObjectPrinting(p_libvlc, psz_object+1); break;
                case '-': msg_DisableObjectPrinting(p_libvlc, psz_object+1); break;
                default:
                    msg_Err( p_libvlc, "verbose-objects usage: \n"
                            "--verbose-objects=+printthatobject,"
                            "-dontprintthatone\n"
                            "(keyword 'all' to applies to all objects)\n");
                    free( psz_verbose_objects );
                    return VLC_EGENERIC;
            }
        }
        free( psz_verbose_objects );
    }
738

739 740
    var_Create( p_libvlc, "verbose", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
    if( config_GetInt( p_libvlc, "quiet" ) > 0 )
741
    {
742 743
        val.i_int = -1;
        var_Set( p_libvlc, "verbose", val );
744
    }
745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774
    var_AddCallback( p_libvlc, "verbose", VerboseCallback, NULL );
    var_Change( p_libvlc, "verbose", VLC_VAR_TRIGGER_CALLBACKS, NULL, NULL );

    if( priv->b_color )
        priv->b_color = config_GetInt( p_libvlc, "color" ) > 0;

    /*
     * Output messages that may still be in the queue
     */
    msg_Flush( p_libvlc );

    if( !config_GetInt( p_libvlc, "fpu" ) )
        cpu_flags &= ~CPU_CAPABILITY_FPU;

#if defined( __i386__ ) || defined( __x86_64__ )
    if( !config_GetInt( p_libvlc, "mmx" ) )
        cpu_flags &= ~CPU_CAPABILITY_MMX;
    if( !config_GetInt( p_libvlc, "3dn" ) )
        cpu_flags &= ~CPU_CAPABILITY_3DNOW;
    if( !config_GetInt( p_libvlc, "mmxext" ) )
        cpu_flags &= ~CPU_CAPABILITY_MMXEXT;
    if( !config_GetInt( p_libvlc, "sse" ) )
        cpu_flags &= ~CPU_CAPABILITY_SSE;
    if( !config_GetInt( p_libvlc, "sse2" ) )
        cpu_flags &= ~CPU_CAPABILITY_SSE2;
#endif
#if defined( __powerpc__ ) || defined( __ppc__ ) || defined( __ppc64__ )
    if( !config_GetInt( p_libvlc, "altivec" ) )
        cpu_flags &= ~CPU_CAPABILITY_ALTIVEC;
#endif
775

776 777 778 779 780 781 782
#define PRINT_CAPABILITY( capability, string )                              \
    if( vlc_CPU() & capability )                                            \
    {                                                                       \
        strncat( p_capabilities, string " ",                                \
                 sizeof(p_capabilities) - strlen(p_capabilities) );         \
        p_capabilities[sizeof(p_capabilities) - 1] = '\0';                  \
    }
783

784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842
    p_capabilities[0] = '\0';
    PRINT_CAPABILITY( CPU_CAPABILITY_486, "486" );
    PRINT_CAPABILITY( CPU_CAPABILITY_586, "586" );
    PRINT_CAPABILITY( CPU_CAPABILITY_PPRO, "Pentium Pro" );
    PRINT_CAPABILITY( CPU_CAPABILITY_MMX, "MMX" );
    PRINT_CAPABILITY( CPU_CAPABILITY_3DNOW, "3DNow!" );
    PRINT_CAPABILITY( CPU_CAPABILITY_MMXEXT, "MMXEXT" );
    PRINT_CAPABILITY( CPU_CAPABILITY_SSE, "SSE" );
    PRINT_CAPABILITY( CPU_CAPABILITY_SSE2, "SSE2" );
    PRINT_CAPABILITY( CPU_CAPABILITY_ALTIVEC, "AltiVec" );
    PRINT_CAPABILITY( CPU_CAPABILITY_FPU, "FPU" );
    msg_Dbg( p_libvlc, "CPU has capabilities %s", p_capabilities );

    /*
     * Choose the best memcpy module
     */
    priv->p_memcpy_module = module_Need( p_libvlc, "memcpy", "$memcpy", 0 );

    priv->b_stats = config_GetInt( p_libvlc, "stats" ) > 0;
    priv->i_timers = 0;
    priv->pp_timers = NULL;

    /* Init stats */
    p_libvlc->p_stats = (global_stats_t *)malloc( sizeof( global_stats_t ) );
    if( !p_libvlc->p_stats )
    {
        vlc_object_release( p_libvlc );
        return VLC_ENOMEM;
    }
    vlc_mutex_init( &p_libvlc->p_stats->lock );
    priv->p_stats_computer = NULL;

    /*
     * Initialize hotkey handling
     */
    var_Create( p_libvlc, "key-pressed", VLC_VAR_INTEGER );
    var_Create( p_libvlc, "key-action", VLC_VAR_INTEGER );
    p_libvlc->p_hotkeys = malloc( libvlc_hotkeys_size );
    /* Do a copy (we don't need to modify the strings) */
    memcpy( p_libvlc->p_hotkeys, libvlc_hotkeys, libvlc_hotkeys_size );
    var_AddCallback( p_libvlc, "key-pressed", vlc_key_to_action,
                     p_libvlc->p_hotkeys );

    /* Initialize interaction */
    priv->p_interaction = interaction_Init( p_libvlc );

    /* Initialize playlist and get commandline files */
    playlist_ThreadCreate( p_libvlc );
    if( !priv->p_playlist )
    {
        msg_Err( p_libvlc, "playlist initialization failed" );
        if( priv->p_memcpy_module != NULL )
        {
            module_Unneed( p_libvlc, priv->p_memcpy_module );
        }
        module_EndBank( p_libvlc );
        return VLC_EGENERIC;
    }
    p_playlist = priv->p_playlist;
843

844 845 846 847 848 849 850
    psz_modules = config_GetPsz( p_playlist, "services-discovery" );
    if( psz_modules && *psz_modules )
    {
        /* Add service discovery modules */
        playlist_ServicesDiscoveryAdd( p_playlist, psz_modules );
    }
    free( psz_modules );
851

852
#ifdef ENABLE_VLM
853 854 855
    /* Initialize VLM if vlm-conf is specified */
    psz_parser = config_GetPsz( p_libvlc, "vlm-conf" );
    if( psz_parser && *psz_parser )
856
    {
857 858 859
        priv->p_vlm = vlm_New( p_libvlc );
        if( !priv->p_vlm )
            msg_Err( p_libvlc, "VLM initialization failed" );
860
    }
861 862
    free( psz_parser );
#endif
863

864 865 866 867 868
    /*
     * Load background interfaces
     */
    psz_modules = config_GetPsz( p_libvlc, "extraintf" );
    psz_control = config_GetPsz( p_libvlc, "control" );
869

870 871 872 873 874 875 876
    if( psz_modules && *psz_modules && psz_control && *psz_control )
    {
        psz_modules = (char *)realloc( psz_modules, strlen( psz_modules ) +
                                                    strlen( psz_control ) + 1 );
        sprintf( psz_modules, "%s:%s", psz_modules, psz_control );
    }
    else if( psz_control && *psz_control )
877
    {
878 879
        free( psz_modules );
        psz_modules = strdup( psz_control );
880 881
    }

882 883 884 885 886 887 888 889 890 891 892 893 894 895 896
    psz_parser = psz_modules;
    while ( psz_parser && *psz_parser )
    {
        char *psz_module, *psz_temp;
        psz_module = psz_parser;
        psz_parser = strchr( psz_module, ':' );
        if ( psz_parser )
        {
            *psz_parser = '\0';
            psz_parser++;
        }
        psz_temp = (char *)malloc( strlen(psz_module) + sizeof(",none") );
        if( psz_temp )
        {
            sprintf( psz_temp, "%s,none", psz_module );
897
            libvlc_InternalAddIntf( p_libvlc, psz_temp );
898 899 900 901 902 903 904 905 906
            free( psz_temp );
        }
    }
    free( psz_modules );
    free( psz_control );

    /*
     * Always load the hotkeys interface if it exists
     */
907
    libvlc_InternalAddIntf( p_libvlc, "hotkeys,none" );
908

909
#ifdef HAVE_DBUS
910 911
    /* loads dbus control interface if in one-instance mode
     * we do it only when playlist exists, because dbus module needs it */
912 913 914
    if( config_GetInt( p_libvlc, "one-instance" ) > 0
        || ( config_GetInt( p_libvlc, "one-instance-when-started-from-file" )
             && config_GetInt( p_libvlc, "started-from-file" ) ) )
915
        libvlc_InternalAddIntf( p_libvlc, "dbus,none" );
916 917 918 919

    /* Prevents the power management daemon from suspending the system
     * when VLC is active */
    if( config_GetInt( p_libvlc, "inhibit" ) > 0 )
920
        libvlc_InternalAddIntf( p_libvlc, "inhibit,none" );
921
#endif
922

923 924 925 926 927 928 929
    /*
     * If needed, load the Xscreensaver interface
     * Currently, only for X
     */
#ifdef HAVE_X11_XLIB_H
    if( config_GetInt( p_libvlc, "disable-screensaver" ) )
    {
930
        libvlc_InternalAddIntf( p_libvlc, "screensaver,none" );
931 932
    }
#endif
933

934 935
    if( config_GetInt( p_libvlc, "file-logging" ) > 0 )
    {
936
        libvlc_InternalAddIntf( p_libvlc, "logger,none" );
937 938 939 940 941 942
    }
#ifdef HAVE_SYSLOG_H
    if( config_GetInt( p_libvlc, "syslog" ) > 0 )
    {
        char *logmode = var_CreateGetString( p_libvlc, "logmode" );
        var_SetString( p_libvlc, "logmode", "syslog" );
943
        libvlc_InternalAddIntf( p_libvlc, "logger,none" );
944

945 946 947 948 949 950 951 952 953 954 955
        if( logmode )
        {
            var_SetString( p_libvlc, "logmode", logmode );
            free( logmode );
        }
        else
            var_Destroy( p_libvlc, "logmode" );
    }
#endif

    if( config_GetInt( p_libvlc, "show-intf" ) > 0 )
956
    {
957
        libvlc_InternalAddIntf( p_libvlc, "showintf,none" );
958 959
    }

960 961
    if( config_GetInt( p_libvlc, "network-synchronisation") > 0 )
    {
962
        libvlc_InternalAddIntf( p_libvlc, "netsync,none" );
963
    }
964

965 966
#ifdef WIN32
    if( config_GetInt( p_libvlc, "prefer-system-codecs") > 0 )
967
    {
968 969 970 971
        char *psz_codecs = config_GetPsz( p_playlist, "codec" );
        if( psz_codecs )
        {
            char *psz_morecodecs;
972
            if( asprintf(&psz_morecodecs, "%s,dmo,quicktime", psz_codecs) != -1 )
973 974 975 976 977 978 979 980
            {
                config_PutPsz( p_libvlc, "codec", psz_morecodecs);
                free( psz_morecodecs );
            }
        }
        else
            config_PutPsz( p_libvlc, "codec", "dmo,quicktime");
        free( psz_codecs );
981
    }
982
#endif
983

984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999
    /*
     * FIXME: kludge to use a p_libvlc-local variable for the Mozilla plugin
     */
    var_Create( p_libvlc, "drawable", VLC_VAR_INTEGER );
    var_Create( p_libvlc, "drawable-view-top", VLC_VAR_INTEGER );
    var_Create( p_libvlc, "drawable-view-left", VLC_VAR_INTEGER );
    var_Create( p_libvlc, "drawable-view-bottom", VLC_VAR_INTEGER );
    var_Create( p_libvlc, "drawable-view-right", VLC_VAR_INTEGER );
    var_Create( p_libvlc, "drawable-clip-top", VLC_VAR_INTEGER );
    var_Create( p_libvlc, "drawable-clip-left", VLC_VAR_INTEGER );
    var_Create( p_libvlc, "drawable-clip-bottom", VLC_VAR_INTEGER );
    var_Create( p_libvlc, "drawable-clip-right", VLC_VAR_INTEGER );

    /* Create volume callback system. */
    var_Create( p_libvlc, "volume-change", VLC_VAR_BOOL );

1000
    /* Create a variable for showing the interface (moved from playlist). */
1001 1002 1003 1004
    var_Create( p_libvlc, "intf-show", VLC_VAR_BOOL );
    var_SetBool( p_libvlc, "intf-show", true );

    var_Create( p_libvlc, "intf-popupmenu", VLC_VAR_BOOL );
1005

1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017
    /*
     * Get input filenames given as commandline arguments
     */
    GetFilenames( p_libvlc, i_argc, ppsz_argv );

    /*
     * Get --open argument
     */
    var_Create( p_libvlc, "open", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
    var_Get( p_libvlc, "open", &val );
    if ( val.psz_string != NULL && *val.psz_string )
    {
Antoine Cellerier's avatar
Antoine Cellerier committed
1018
        playlist_t *p_playlist = pl_Hold( p_libvlc );
1019
        playlist_AddExt( p_playlist, val.psz_string, NULL, PLAYLIST_INSERT, 0,
1020
                         -1, NULL, 0, true, pl_Unlocked );
1021 1022 1023
        pl_Release( p_libvlc );
    }
    free( val.psz_string );
1024

1025
    return VLC_SUCCESS;
1026 1027 1028
}

/**
1029 1030
 * Cleanup a libvlc instance. The instance is not completely deallocated
 * \param p_libvlc the instance to clean
1031
 */
1032
int libvlc_InternalCleanup( libvlc_int_t *p_libvlc )
1033
{
1034 1035
    intf_thread_t      * p_intf = NULL;
    libvlc_priv_t      *priv = libvlc_priv (p_libvlc);
Derk-Jan Hartman's avatar
Derk-Jan Hartman committed
1036

1037 1038 1039 1040 1041 1042 1043 1044 1045 1046
    /* Ask the interfaces to stop and destroy them */
    msg_Dbg( p_libvlc, "removing all interfaces" );
    while( (p_intf = vlc_object_find( p_libvlc, VLC_OBJECT_INTF, FIND_CHILD )) )
    {
        intf_StopThread( p_intf );
        vlc_object_detach( p_intf );
        vlc_object_release( p_intf ); /* for intf_Create() */
        vlc_object_release( p_intf ); /* for vlc_object_find() */
    }

1047
#ifdef ENABLE_VLM
1048 1049 1050 1051 1052 1053 1054
    /* Destroy VLM if created in libvlc_InternalInit */
    if( priv->p_vlm )
    {
        vlm_Delete( priv->p_vlm );
    }
#endif

1055
    playlist_t *p_playlist = priv->p_playlist;
1056 1057
    /* Remove all services discovery */
    msg_Dbg( p_libvlc, "removing all services discovery tasks" );
1058
    playlist_ServicesDiscoveryKillAll( p_playlist );
1059

1060
    /* Free playlist */
Antoine Cellerier's avatar
Antoine Cellerier committed
1061
    /* Any thread still running must not assume pl_Hold() succeeds. */
1062
    msg_Dbg( p_libvlc, "removing playlist" );
1063
    priv->p_playlist = NULL;
Antoine Cellerier's avatar
Antoine Cellerier committed
1064
    vlc_object_kill( p_playlist ); /* <-- memory barrier for pl_Hold() */
1065 1066
    vlc_thread_join( p_playlist );
    vlc_object_release( p_playlist );
1067 1068 1069

    /* Free interaction */
    msg_Dbg( p_libvlc, "removing interaction" );
1070
    interaction_Destroy( priv->p_interaction );
1071

1072 1073
    /* Free video outputs */
    msg_Dbg( p_libvlc, "removing all video outputs" );
1074
    vlc_list_t *list = vlc_list_find (p_libvlc, VLC_OBJECT_VOUT, FIND_CHILD);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
1075
    for (int i = 0; i < list->i_count; i++)
1076
        vlc_object_release (list->p_values[i].p_object);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
1077
    vlc_list_release (list);
1078

1079 1080 1081 1082 1083 1084 1085 1086 1087
    stats_TimersDumpAll( p_libvlc );
    stats_TimersCleanAll( p_libvlc );

    msg_Dbg( p_libvlc, "removing stats" );
    vlc_mutex_destroy( &p_libvlc->p_stats->lock );
    FREENULL( p_libvlc->p_stats );

    return VLC_SUCCESS;
}
1088 1089

/**
1090 1091 1092 1093 1094
 * Destroy everything.
 * This function requests the running threads to finish, waits for their
 * termination, and destroys their structure.
 * It stops the thread systems: no instance can run after this has run
 * \param p_libvlc the instance to destroy
1095
 */
1096
int libvlc_InternalDestroy( libvlc_int_t *p_libvlc )
1097
{
1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160
    if( !p_libvlc )
        return VLC_EGENERIC;

    libvlc_priv_t *priv = libvlc_priv (p_libvlc);

#ifndef WIN32
    char* psz_pidfile = NULL;

    if( b_daemon )
    {
        psz_pidfile = config_GetPsz( p_libvlc, "pidfile" );
        if( psz_pidfile != NULL )
        {
            msg_Dbg( p_libvlc, "removing pid file %s", psz_pidfile );
            if( unlink( psz_pidfile ) == -1 )
            {
                msg_Dbg( p_libvlc, "removing pid file %s: %m",
                        psz_pidfile );
            }
        }
        free( psz_pidfile );
    }
#endif

    if( priv->p_memcpy_module )
    {
        module_Unneed( p_libvlc, priv->p_memcpy_module );
        priv->p_memcpy_module = NULL;
    }

    /* Free module bank. It is refcounted, so we call this each time  */
    module_EndBank( p_libvlc );

    FREENULL( priv->psz_configfile );
    var_DelCallback( p_libvlc, "key-pressed", vlc_key_to_action,
                     p_libvlc->p_hotkeys );
    FREENULL( p_libvlc->p_hotkeys );

    vlc_mutex_t *lock = var_AcquireMutex( "libvlc" );
    i_instances--;

    if( i_instances == 0 )
    {
        /* System specific cleaning code */
        system_End( p_libvlc );
    }
    vlc_mutex_unlock( lock );

    msg_Flush( p_libvlc );
    msg_Destroy( p_libvlc );

    /* Destroy mutexes */
    vlc_mutex_destroy( &priv->config_lock );
    vlc_mutex_destroy( &priv->timer_lock );

    vlc_object_release( p_libvlc );
    p_libvlc = NULL;

    /* Stop thread system: last one out please shut the door!
     * The number of initializations of the thread system is counted, we
     * can call this each time */
    vlc_threads_end ();

1161 1162 1163 1164
    return VLC_SUCCESS;
}

/**
1165
 * Add an interface plugin and run it
1166
 */
1167
int libvlc_InternalAddIntf( libvlc_int_t *p_libvlc, char const *psz_module )
1168
{
1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209
    int i_err;
    intf_thread_t *p_intf = NULL;

    if( !p_libvlc )
        return VLC_EGENERIC;

    if( !psz_module ) /* requesting the default interface */
    {
        char *psz_interface = config_GetPsz( p_libvlc, "intf" );
        if( !psz_interface || !*psz_interface ) /* "intf" has not been set */
        {
#ifndef WIN32
            if( b_daemon )
                 /* Daemon mode hack.
                  * We prefer the dummy interface if none is specified. */
                psz_module = "dummy";
            else
#endif
                msg_Info( p_libvlc, _("Running vlc with the default interface. Use 'cvlc' to use vlc without interface.") );
        }
        free( psz_interface );
    }

    /* Try to create the interface */
    p_intf = intf_Create( p_libvlc, psz_module ? psz_module : "$intf" );
    if( p_intf == NULL )
    {
        msg_Err( p_libvlc, "interface \"%s\" initialization failed",
                 psz_module );
        return VLC_EGENERIC;
    }

    /* Try to run the interface */
    i_err = intf_RunThread( p_intf );
    if( i_err )
    {
        vlc_object_detach( p_intf );
        vlc_object_release( p_intf );
        return i_err;
    }

1210
    return VLC_SUCCESS;
1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233
};

#if defined( ENABLE_NLS ) && (defined (__APPLE__) || defined (WIN32)) && \
    ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
/*****************************************************************************
 * SetLanguage: set the interface language.
 *****************************************************************************
 * We set the LC_MESSAGES locale category for interface messages and buttons,
 * as well as the LC_CTYPE category for string sorting and possible wide
 * character support.
 *****************************************************************************/
static void SetLanguage ( const char *psz_lang )
{
#ifdef __APPLE__
    /* I need that under Darwin, please check it doesn't disturb
     * other platforms. --Meuuh */
    setenv( "LANG", psz_lang, 1 );

#else
    /* We set LC_ALL manually because it is the only way to set
     * the language at runtime under eg. Windows. Beware that this
     * makes the environment unconsistent when libvlc is unloaded and
     * should probably be moved to a safer place like vlc.c. */
1234 1235 1236 1237
    static char psz_lcall[20];
    snprintf( psz_lcall, 19, "LC_ALL=%s", psz_lang );
    psz_lcall[19] = '\0';
    putenv( psz_lcall );
1238 1239 1240
#endif

    setlocale( LC_ALL, psz_lang );
1241
}
1242
#endif
1243

1244 1245

static inline int LoadMessages (void)
1246
{
1247 1248 1249 1250 1251 1252 1253
#if defined( ENABLE_NLS ) \
     && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
    /* Specify where to find the locales for current domain */
#if !defined( __APPLE__ ) && !defined( WIN32 ) && !defined( SYS_BEOS )
    static const char psz_path[] = LOCALEDIR;
#else
    char psz_path[1024];
1254 1255
    if (snprintf (psz_path, sizeof (psz_path), "%s" DIR_SEP "%s",
                  config_GetDataDir(), "locale")
1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313
                     >= (int)sizeof (psz_path))
        return -1;

#endif
    if (bindtextdomain (PACKAGE_NAME, psz_path) == NULL)
    {
        fprintf (stderr, "Warning: cannot bind text domain "PACKAGE_NAME
                         " to directory %s\n", psz_path);
        return -1;
    }

    /* LibVLC wants all messages in UTF-8.
     * Unfortunately, we cannot ask UTF-8 for strerror_r(), strsignal_r()
     * and other functions that are not part of our text domain.
     */
    if (bind_textdomain_codeset (PACKAGE_NAME, "UTF-8") == NULL)
    {
        fprintf (stderr, "Error: cannot set Unicode encoding for text domain "
                         PACKAGE_NAME"\n");
        // Unbinds the text domain to avoid broken encoding
        bindtextdomain (PACKAGE_NAME, "DOES_NOT_EXIST");
        return -1;
    }

    /* LibVLC does NOT set the default textdomain, since it is a library.
     * This could otherwise break programs using LibVLC (other than VLC).
     * textdomain (PACKAGE_NAME);
     */
#endif
    return 0;
}

/*****************************************************************************
 * GetFilenames: parse command line options which are not flags
 *****************************************************************************
 * Parse command line for input files as well as their associated options.
 * An option always follows its associated input and begins with a ":".
 *****************************************************************************/
static int GetFilenames( libvlc_int_t *p_vlc, int i_argc, const char *ppsz_argv[] )
{
    int i_opt, i_options;

    /* We assume that the remaining parameters are filenames
     * and their input options */
    for( i_opt = i_argc - 1; i_opt >= optind; i_opt-- )
    {
        i_options = 0;

        /* Count the input options */
        while( *ppsz_argv[ i_opt ] == ':' && i_opt > optind )
        {
            i_options++;
            i_opt--;
        }

        /* TODO: write an internal function of this one, to avoid
         *       unnecessary lookups. */

Antoine Cellerier's avatar
Antoine Cellerier committed
1314
        playlist_t *p_playlist = pl_Hold( p_vlc );
1315 1316
        playlist_AddExt( p_playlist, ppsz_argv[i_opt], NULL, PLAYLIST_INSERT,
                         0, -1, ( i_options ? &ppsz_argv[i_opt + 1] : NULL ),
1317
                         i_options, true, pl_Unlocked );
1318 1319 1320
        pl_Release( p_vlc );
    }

1321
    return VLC_SUCCESS;
1322 1323
}

1324 1325 1326 1327 1328
/*****************************************************************************
 * Help: print program help
 *****************************************************************************
 * Print a short inline help. Message interface is initialized at this stage.
 *****************************************************************************/
1329 1330 1331
static inline void print_help_on_full_help( void )
{
    utf8_fprintf( stdout, "\n" );
1332
    utf8_fprintf( stdout, "%s\n", _("To get exhaustive help, use '-H'.") );
1333 1334
}

1335
static void Help( libvlc_int_t *p_this, char const *psz_help_name )
1336
{
1337 1338 1339
#ifdef WIN32
    ShowConsole( true );
#endif
1340

1341
    if( psz_help_name && !strcmp( psz_help_name, "help" ) )
1342
    {
1343
        utf8_fprintf( stdout, vlc_usage, "vlc" );
1344 1345
        Usage( p_this, "=help" );
        Usage( p_this, "=main" );
1346
        print_help_on_full_help();
1347
    }
1348
    else if( psz_help_name && !strcmp( psz_help_name, "longhelp" ) )
1349
    {
1350
        utf8_fprintf( stdout, vlc_usage, "vlc" );
1351
        Usage( p_this, NULL );
1352
        print_help_on_full_help();
1353 1354
    }
    else if( psz_help_name && !strcmp( psz_help_name, "full-help" ) )
1355
    {
1356
        utf8_fprintf( stdout, vlc_usage, "vlc" );
1357 1358 1359 1360 1361 1362 1363 1364 1365 1366
        Usage( p_this, NULL );
    }
    else if( psz_help_name )
    {
        Usage( p_this, psz_help_name );
    }

#ifdef WIN32        /* Pause the console because it's destroyed when we exit */
    PauseConsole();
#endif
1367 1368
}

1369 1370 1371 1372 1373
/*****************************************************************************
 * Usage: print module usage
 *****************************************************************************
 * Print a short inline help. Message interface is initialized at this stage.
 *****************************************************************************/
1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401
#   define COL(x)  "\033[" #x ";1m"
#   define RED     COL(31)
#   define GREEN   COL(32)
#   define YELLOW  COL(33)
#   define BLUE    COL(34)
#   define MAGENTA COL(35)
#   define CYAN    COL(36)
#   define WHITE   COL(0)
#   define GRAY    "\033[0m"
static void print_help_section( module_config_t *p_item, bool b_color, bool b_description )
{
    if( !p_item ) return;
    if( b_color )
    {
        utf8_fprintf( stdout, RED"   %s:\n"GRAY,
                      p_item->psz_text );
        if( b_description && p_item->psz_longtext )
            utf8_fprintf( stdout, MAGENTA"   %s\n"GRAY,
                          p_item->psz_longtext );
    }
    else
    {
        utf8_fprintf( stdout, "   %s:\n", p_item->psz_text );
        if( b_description && p_item->psz_longtext )
            utf8_fprintf( stdout, "   %s\n", p_item->psz_longtext );
    }
}

1402
static void Usage( libvlc_int_t *p_this, char const *psz_search )
1403
{
1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439
#define FORMAT_STRING "  %s --%s%s%s%s%s%s%s "
    /* short option ------'    | | | | | | |
     * option name ------------' | | | | | |
     * <bra ---------------------' | | | | |
     * option type or "" ----------' | | | |
     * ket> -------------------------' | | |
     * padding spaces -----------------' | |
     * comment --------------------------' |
     * comment suffix ---------------------'
     *
     * The purpose of having bra and ket is that we might i18n them as well.
     */

#define COLOR_FORMAT_STRING (WHITE"  %s --%s"YELLOW"%s%s%s%s%s%s "GRAY)
#define COLOR_FORMAT_STRING_BOOL (WHITE"  %s --%s%s%s%s%s%s%s "GRAY)

#define LINE_START 8
#define PADDING_SPACES 25
#ifdef WIN32
#   define OPTION_VALUE_SEP "="
#else
#   define OPTION_VALUE_SEP " "
#endif
    char psz_spaces_text[PADDING_SPACES+LINE_START+1];
    char psz_spaces_longtext[LINE_START+3];
    char psz_format[sizeof(COLOR_FORMAT_STRING)];
    char psz_format_bool[sizeof(COLOR_FORMAT_STRING_BOOL)];
    char psz_buffer[10000];
    char psz_short[4];
    int i_width = ConsoleWidth() - (PADDING_SPACES+LINE_START+1);
    int i_width_description = i_width + PADDING_SPACES - 1;
    bool b_advanced    = config_GetInt( p_this, "advanced" ) > 0;
    bool b_description = config_GetInt( p_this, "help-verbose" ) > 0;
    bool b_description_hack;
    bool b_color       = config_GetInt( p_this, "color" ) > 0;
    bool b_has_advanced = false;
1440
    bool b_found       = false;
1441 1442
    int  i_only_advanced = 0; /* Number of modules ignored because they
                               * only have advanced options */
1443 1444
    bool b_strict = psz_search && *psz_search == '=';
    if( b_strict ) psz_search++;
1445 1446 1447 1448 1449

    memset( psz_spaces_text, ' ', PADDING_SPACES+LINE_START );
    psz_spaces_text[PADDING_SPACES+LINE_START] = '\0';
    memset( psz_spaces_longtext, ' ', LINE_START+2 );
    psz_spaces_longtext[LINE_START+2] = '\0';
1450 1451
#ifndef WIN32
    if( !isatty( 1 ) )
1452
#endif
1453
        b_color = false; // don't put color control codes in a .txt file
1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466

    if( b_color )
    {
        strcpy( psz_format, COLOR_FORMAT_STRING );
        strcpy( psz_format_bool, COLOR_FORMAT_STRING_BOOL );
    }
    else
    {
        strcpy( psz_format, FORMAT_STRING );
        strcpy( psz_format_bool, FORMAT_STRING );
    }

    /* List all modules */
1467 1468 1469
    module_t **list = module_list_get (NULL);
    if (!list)
        return;
1470 1471 1472

    /* Ugly hack to make sure that the help options always come first
     * (part 1) */
Antoine Cellerier's avatar