libvlc.c 69.7 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
#include <vlc_playlist.h>
#include <vlc_interface.h>
Sam Hocevar's avatar
Sam Hocevar committed
81

82 83
#include <vlc_aout.h>
#include "audio_output/aout_internal.h"
84

85
#include <vlc_charset.h>
86

87
#include "libvlc.h"
88

89
#include "playlist/playlist_internal.h"
90

91
#include <vlc_vlm.h>
92

93 94 95 96
#ifdef __APPLE__
# include <libkern/OSAtomic.h>
#endif

97
#include <assert.h>
98

99
/*****************************************************************************
100
 * The evil global variables. We handle them with care, don't worry.
101
 *****************************************************************************/
102
static unsigned          i_instances = 0;
103

104
#ifndef WIN32
105
static bool b_daemon = false;
106
#endif
107

108 109 110
#undef vlc_gc_init
#undef vlc_hold
#undef vlc_release
111

112 113 114 115 116 117 118 119
/**
 * 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 *))
{
120
    /* There is no point in using the GC if there is no destructor... */
121
    assert (pf_destruct);
122 123
    p_gc->pf_destructor = pf_destruct;

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
124
    p_gc->refs = 1;
125
#if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
126
    __sync_synchronize ();
127
#elif defined (WIN32) && defined (__GNUC__)
128 129
#elif defined(__APPLE__)
    OSMemoryBarrier ();
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
130
#else
131 132 133 134
    /* 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
135
#endif
136
    return p_gc;
137 138
}

139 140 141 142 143 144
/**
 * Atomically increment the reference count.
 * @param p_gc reference counted object
 * @return p_gc.
 */
void *vlc_hold (gc_object_t * p_gc)
145
{
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
146
    uintptr_t refs;
147
    assert( p_gc );
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
148
    assert ((((uintptr_t)&p_gc->refs) & (sizeof (void *) - 1)) == 0); /* alignment */
149

150
#if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
151
    refs = __sync_add_and_fetch (&p_gc->refs, 1);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
152
#elif defined (WIN64)
153
    refs = InterlockedIncrement64 (&p_gc->refs);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
154 155
#elif defined (WIN32)
    refs = InterlockedIncrement (&p_gc->refs);
156
#elif defined(__APPLE__)
157
    refs = OSAtomicIncrement32Barrier((int*)&p_gc->refs);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
158
#else
159
    vlc_spin_lock (&p_gc->spin);
160
    refs = ++p_gc->refs;
161
    vlc_spin_unlock (&p_gc->spin);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
162
#endif
163
    assert (refs != 1); /* there had to be a reference already */
164
    return p_gc;
165 166
}

167 168 169 170 171
/**
 * 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)
172
{
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
173
    unsigned refs;
174 175

    assert( p_gc );
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
176
    assert ((((uintptr_t)&p_gc->refs) & (sizeof (void *) - 1)) == 0); /* alignment */
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
177

178
#if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
179
    refs = __sync_sub_and_fetch (&p_gc->refs, 1);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
180
#elif defined (WIN64)
181
    refs = InterlockedDecrement64 (&p_gc->refs);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
182 183
#elif defined (WIN32)
    refs = InterlockedDecrement (&p_gc->refs);
184
#elif defined(__APPLE__)
185
    refs = OSAtomicDecrement32Barrier((int*)&p_gc->refs);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
186
#else
187
    vlc_spin_lock (&p_gc->spin);
188
    refs = --p_gc->refs;
189
    vlc_spin_unlock (&p_gc->spin);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
190
#endif
191

192 193
    assert (refs != (uintptr_t)(-1)); /* reference underflow?! */
    if (refs == 0)
194
    {
195
#ifdef USE_SYNC
196
#elif defined (WIN32) && defined (__GNUC__)
197 198
#elif defined(__APPLE__)
#else
199
        vlc_spin_destroy (&p_gc->spin);
200
#endif
201 202
        p_gc->pf_destructor (p_gc);
    }
203 204
}

205
/*****************************************************************************
206
 * Local prototypes
207
 *****************************************************************************/
208 209 210 211 212 213 214
#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 );
215
static void Usage         ( libvlc_int_t *, char const *psz_search );
216 217 218 219 220 221 222 223
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 );
224

225 226 227 228
static int  VerboseCallback( vlc_object_t *, char const *,
                             vlc_value_t, vlc_value_t, void * );

static void InitDeviceValues( libvlc_int_t * );
229

230
static vlc_mutex_t global_lock = VLC_STATIC_MUTEX;
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
231

232 233 234 235 236 237 238 239 240 241 242 243
/**
 * 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;

    /* Now that the thread system is initialized, we don't have much, but
     * at least we have variables */
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
244
    vlc_mutex_lock( &global_lock );
245
    if( i_instances == 0 )
246
    {
247 248
        /* Guess what CPU we have */
        cpu_flags = CPUCapabilities();
249
        /* The module bank will be initialized later */
250
    }
251 252

    /* Allocate a libvlc instance object */
253
    p_libvlc = __vlc_custom_create( NULL, sizeof (*priv),
254
                                  VLC_OBJECT_GENERIC, "libvlc" );
255 256
    if( p_libvlc != NULL )
        i_instances++;
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
257
    vlc_mutex_unlock( &global_lock );
258 259 260 261 262 263 264 265

    if( p_libvlc == NULL )
        return NULL;

    priv = libvlc_priv (p_libvlc);
    priv->p_playlist = NULL;
    priv->p_interaction = NULL;
    priv->p_vlm = NULL;
266
    p_libvlc->psz_object_name = strdup( "libvlc" );
267 268 269 270 271 272 273 274

    /* 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 );
275
    else
276 277 278 279 280 281 282 283 284 285 286 287
        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

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

    return p_libvlc;
288 289 290
}

/**
291 292 293 294 295 296
 * 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
297
 */
298 299
int libvlc_InternalInit( libvlc_int_t *p_libvlc, int i_argc,
                         const char *ppsz_argv[] )
300
{
301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316
    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
317

318 319
    /* System specific initialization code */
    system_Init( p_libvlc, &i_argc, ppsz_argv );
320

321 322 323 324
    /*
     * Support for gettext
     */
    LoadMessages ();
325

326 327 328 329 330
    /* 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 );
331

332
    if( config_LoadCmdLine( p_libvlc, &i_argc, ppsz_argv, true ) )
333
    {
334 335
        module_EndBank( p_libvlc );
        return VLC_EGENERIC;
336 337
    }

338
    priv->i_verbose = config_GetInt( p_libvlc, "verbose" );
339 340 341 342 343
    /* Announce who we are - Do it only for first instance ? */
    msg_Dbg( p_libvlc, "%s", COPYRIGHT_MESSAGE );
    msg_Dbg( p_libvlc, "libvlc was configured with %s", CONFIGURE_LINE );
    /* Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
    msg_Dbg( p_libvlc, "translation test: code is \"%s\"", _("C") );
344

345 346 347 348 349 350 351 352 353
    /* 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 )
354
    {
355 356 357
        Version();
        b_exit = true;
        i_ret = VLC_EEXITSUCCESS;
358 359
    }

360 361
    /* Set the config file stuff */
    priv->psz_configfile = config_GetCustomConfigFile( p_libvlc );
362

363
    /* Check for plugins cache options */
364
    bool b_cache_delete = config_GetInt( p_libvlc, "reset-plugins-cache" ) > 0;
365

366 367 368
    /* Check for daemon mode */
#ifndef WIN32
    if( config_GetInt( p_libvlc, "daemon" ) > 0 )
369
    {
370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403
#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;
404

405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429
        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
430

431
    if( b_exit )
432
    {
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
433
        free( priv->psz_configfile );
434 435
        module_EndBank( p_libvlc );
        return i_ret;
436 437
    }

438 439 440 441 442 443
    /* 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. */
444

445 446 447
    if( !config_GetInt( p_libvlc, "ignore-config" ) )
        config_LoadConfigFile( p_libvlc, "main" );
    config_LoadCmdLine( p_libvlc, &i_argc, ppsz_argv, true );
448

449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475
    /* Check if the user specified a custom language */
    psz_language = config_GetPsz( p_libvlc, "language" );
    if( psz_language && *psz_language && strcmp( psz_language, "auto" ) )
    {
        /* 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 );
    }
    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 );
476
    module_LoadPlugins( p_libvlc, b_cache_delete );
477
    if( p_libvlc->b_die )
478
    {
479
        b_exit = true;
480 481
    }

482 483 484
    size_t module_count;
    module_t **list = module_list_get( &module_count );
    module_list_free( list );
485
    msg_Dbg( p_libvlc, "module bank initialized (%zu modules)", module_count );
486 487 488 489 490 491 492 493 494

    /* 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;
    }
495 496 497 498 499 500 501 502 503
    /* 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;
    }
504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523
    /* 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;
    }
524

525 526
    /* Check for config file options */
    if( !config_GetInt( p_libvlc, "ignore-config" ) )
527
    {
528 529 530 531 532 533 534 535 536 537 538 539
        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 );
        }
540 541
    }

542
    if( b_exit )
543
    {
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
544
        free( priv->psz_configfile );
545 546
        module_EndBank( p_libvlc );
        return i_ret;
547
    }
548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563

    /*
     * 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 ) )
564
    {
565 566 567 568 569 570 571
#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
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
572
        free( priv->psz_configfile );
573 574
        module_EndBank( p_libvlc );
        return VLC_EGENERIC;
575 576
    }

577 578 579 580
    /*
     * System specific configuration
     */
    system_Configure( p_libvlc, &i_argc, ppsz_argv );
581

582
/* FIXME: could be replaced by using Unix sockets */
583
#ifdef HAVE_DBUS
584
    dbus_threads_init_default();
585

586 587 588
    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" ) ) )
589
    {
590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701
        /* 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 );
702
    }
703
#endif
704

705 706 707
    /*
     * Message queue options
     */
708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724
    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 );
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
725
                    /* FIXME: leaks!!!! */
726 727 728 729 730
                    return VLC_EGENERIC;
            }
        }
        free( psz_verbose_objects );
    }
731

732 733
    var_Create( p_libvlc, "verbose", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
    if( config_GetInt( p_libvlc, "quiet" ) > 0 )
734
    {
735 736
        val.i_int = -1;
        var_Set( p_libvlc, "verbose", val );
737
    }
738
    var_AddCallback( p_libvlc, "verbose", VerboseCallback, NULL );
739
    var_TriggerCallback( p_libvlc, "verbose" );
740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762

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

    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
763

764 765 766 767 768 769 770
#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';                  \
    }
771

772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787
    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
     */
788
    priv->p_memcpy_module = module_need( p_libvlc, "memcpy", "$memcpy", false );
789 790 791 792 793 794 795 796 797 798

    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 );
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
799
        return VLC_ENOMEM; /* FIXME: leaks */
800 801 802 803
    }
    vlc_mutex_init( &p_libvlc->p_stats->lock );
    priv->p_stats_computer = NULL;

804 805
    priv->i_last_input_id = 0; /* Not very safe, should be removed */

806 807 808 809 810 811 812 813 814 815 816 817 818 819 820
    /*
     * 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 */
821 822
    p_playlist = playlist_Create( VLC_OBJECT(p_libvlc) );
    if( !p_playlist )
823 824 825 826
    {
        msg_Err( p_libvlc, "playlist initialization failed" );
        if( priv->p_memcpy_module != NULL )
        {
827
            module_unneed( p_libvlc, priv->p_memcpy_module );
828 829
        }
        module_EndBank( p_libvlc );
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
830
        free( priv->psz_configfile );
831 832
        return VLC_EGENERIC;
    }
833 834
    playlist_Activate( p_playlist );
    vlc_object_attach( p_playlist, p_libvlc );
835

836
    /* Add service discovery modules */
837 838 839
    psz_modules = config_GetPsz( p_playlist, "services-discovery" );
    if( psz_modules && *psz_modules )
    {
840 841 842
        char *p = psz_modules, *m;
        while( ( m = strsep( &p, " :," ) ) != NULL )
            playlist_ServicesDiscoveryAdd( p_playlist, m );
843 844
    }
    free( psz_modules );
845

846
#ifdef ENABLE_VLM
847 848 849
    /* Initialize VLM if vlm-conf is specified */
    psz_parser = config_GetPsz( p_libvlc, "vlm-conf" );
    if( psz_parser && *psz_parser )
850
    {
851 852 853
        priv->p_vlm = vlm_New( p_libvlc );
        if( !priv->p_vlm )
            msg_Err( p_libvlc, "VLM initialization failed" );
854
    }
855 856
    free( psz_parser );
#endif
857

858 859 860 861 862
    /*
     * Load background interfaces
     */
    psz_modules = config_GetPsz( p_libvlc, "extraintf" );
    psz_control = config_GetPsz( p_libvlc, "control" );
863

864 865 866 867 868 869 870
    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 )
871
    {
872 873
        free( psz_modules );
        psz_modules = strdup( psz_control );
874 875
    }

876 877 878 879 880 881 882 883 884 885 886
    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++;
        }
887
        if( asprintf( &psz_temp, "%s,none", psz_module ) != -1)
888
        {
889
            libvlc_InternalAddIntf( p_libvlc, psz_temp );
890 891 892 893 894 895 896 897 898
            free( psz_temp );
        }
    }
    free( psz_modules );
    free( psz_control );

    /*
     * Always load the hotkeys interface if it exists
     */
899
    libvlc_InternalAddIntf( p_libvlc, "hotkeys,none" );
Hannes Domani's avatar
Hannes Domani committed
900 901 902
#ifdef WIN32
    libvlc_InternalAddIntf( p_libvlc, "globalhotkeys,none" );
#endif
903

904
#ifdef HAVE_DBUS
905 906
    /* loads dbus control interface if in one-instance mode
     * we do it only when playlist exists, because dbus module needs it */
907 908 909
    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" ) ) )
910
        libvlc_InternalAddIntf( p_libvlc, "dbus,none" );
911 912 913 914

    /* Prevents the power management daemon from suspending the system
     * when VLC is active */
    if( config_GetInt( p_libvlc, "inhibit" ) > 0 )
915
        libvlc_InternalAddIntf( p_libvlc, "inhibit,none" );
916
#endif
917

918 919 920 921 922 923 924
    /*
     * If needed, load the Xscreensaver interface
     * Currently, only for X
     */
#ifdef HAVE_X11_XLIB_H
    if( config_GetInt( p_libvlc, "disable-screensaver" ) )
    {
925
        libvlc_InternalAddIntf( p_libvlc, "screensaver,none" );
926 927
    }
#endif
928

929 930
    if( (config_GetInt( p_libvlc, "file-logging" ) > 0) &&
        !config_GetInt( p_libvlc, "syslog" ) )
931
    {
932
        libvlc_InternalAddIntf( p_libvlc, "logger,none" );
933 934 935 936 937 938
    }
#ifdef HAVE_SYSLOG_H
    if( config_GetInt( p_libvlc, "syslog" ) > 0 )
    {
        char *logmode = var_CreateGetString( p_libvlc, "logmode" );
        var_SetString( p_libvlc, "logmode", "syslog" );
939
        libvlc_InternalAddIntf( p_libvlc, "logger,none" );
940

941 942 943 944 945 946 947 948 949 950 951
        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 )
952
    {
953
        libvlc_InternalAddIntf( p_libvlc, "showintf,none" );
954 955
    }

956 957
    if( config_GetInt( p_libvlc, "network-synchronisation") > 0 )
    {
958
        libvlc_InternalAddIntf( p_libvlc, "netsync,none" );
959
    }
960

961 962
#ifdef WIN32
    if( config_GetInt( p_libvlc, "prefer-system-codecs") > 0 )
963
    {
964 965 966 967
        char *psz_codecs = config_GetPsz( p_playlist, "codec" );
        if( psz_codecs )
        {
            char *psz_morecodecs;
968
            if( asprintf(&psz_morecodecs, "%s,dmo,quicktime", psz_codecs) != -1 )
969 970 971 972 973 974 975 976
            {
                config_PutPsz( p_libvlc, "codec", psz_morecodecs);
                free( psz_morecodecs );
            }
        }
        else
            config_PutPsz( p_libvlc, "codec", "dmo,quicktime");
        free( psz_codecs );
977
    }
978
#endif
979

980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995
    /*
     * 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 );

996
    /* Create a variable for showing the interface (moved from playlist). */
997 998 999 1000
    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 );
1001

1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013
    /*
     * 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
1014
        playlist_t *p_playlist = pl_Hold( p_libvlc );
1015
        playlist_AddExt( p_playlist, val.psz_string, NULL, PLAYLIST_INSERT, 0,
1016
                         -1, NULL, 0, true, pl_Unlocked );
1017 1018 1019
        pl_Release( p_libvlc );
    }
    free( val.psz_string );
1020

1021
    return VLC_SUCCESS;
1022 1023 1024
}

/**
1025 1026
 * Cleanup a libvlc instance. The instance is not completely deallocated
 * \param p_libvlc the instance to clean
1027
 */
1028
void libvlc_InternalCleanup( libvlc_int_t *p_libvlc )
1029
{
1030 1031 1032 1033 1034 1035 1036 1037 1038 1039
    libvlc_priv_t *priv = libvlc_priv (p_libvlc);
    playlist_t    *p_playlist = priv->p_playlist;

    /* Deactivate the playlist */
    msg_Dbg( p_libvlc, "deactivating the playlist" );
    playlist_Deactivate( p_playlist );

    /* Remove all services discovery */
    msg_Dbg( p_libvlc, "removing all services discovery tasks" );
    playlist_ServicesDiscoveryKillAll( p_playlist );
Derk-Jan Hartman's avatar
Derk-Jan Hartman committed
1040

1041 1042
    /* Ask the interfaces to stop and destroy them */
    msg_Dbg( p_libvlc, "removing all interfaces" );
1043
    intf_thread_t *p_intf;
1044 1045 1046 1047 1048 1049 1050 1051
    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() */
    }

1052
#ifdef ENABLE_VLM
1053 1054 1055 1056 1057 1058 1059 1060
    /* Destroy VLM if created in libvlc_InternalInit */
    if( priv->p_vlm )
    {
        vlm_Delete( priv->p_vlm );
    }
#endif

    /* 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 1064 1065 1066

    libvlc_priv(p_playlist->p_libvlc)->p_playlist = NULL;
    barrier();  /* FIXME is that correct ? */

1067
    vlc_object_release( p_playlist );
1068 1069 1070

    /* Free interaction */
    msg_Dbg( p_libvlc, "removing interaction" );
1071
    interaction_Destroy( priv->p_interaction );
1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100

    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 );

#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 )
    {
1101
        module_unneed( p_libvlc, priv->p_memcpy_module );
1102 1103 1104 1105 1106 1107 1108 1109 1110 1111
        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 );
1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123
}

/**
 * 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
 */
void libvlc_InternalDestroy( libvlc_int_t *p_libvlc )
{
    libvlc_priv_t *priv = libvlc_priv( p_libvlc );
1124

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
1125
    vlc_mutex_lock( &global_lock );
1126 1127 1128 1129 1130 1131 1132
    i_instances--;

    if( i_instances == 0 )
    {
        /* System specific cleaning code */
        system_End( p_libvlc );
    }
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
1133
    vlc_mutex_unlock( &global_lock );
1134 1135 1136 1137 1138 1139 1140 1141

    msg_Destroy( p_libvlc );

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

    vlc_object_release( p_libvlc );
1142 1143 1144
}

/**
1145
 * Add an interface plugin and run it
1146
 */
1147
int libvlc_InternalAddIntf( libvlc_int_t *p_libvlc, char const *psz_module )
1148
{
1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189
    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;
    }

1190
    return VLC_SUCCESS;
1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213
};

#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. */
1214 1215 1216 1217
    static char psz_lcall[20];
    snprintf( psz_lcall, 19, "LC_ALL=%s", psz_lang );
    psz_lcall[19] = '\0';
    putenv( psz_lcall );
1218 1219 1220
#endif

    setlocale( LC_ALL, psz_lang );
1221
}
1222
#endif
1223

1224 1225

static inline int LoadMessages (void)
1226
{
1227 1228 1229 1230 1231 1232 1233
#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];
1234 1235
    if (snprintf (psz_path, sizeof (psz_path), "%s" DIR_SEP "%s",
                  config_GetDataDir(), "locale")
1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 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
                     >= (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
1294
        playlist_t *p_playlist = pl_Hold( p_vlc );
1295 1296
        playlist_AddExt( p_playlist, ppsz_argv[i_opt], NULL, PLAYLIST_INSERT,
                         0, -1, ( i_options ? &ppsz_argv[i_opt + 1] : NULL ),
1297
                         i_options, true, pl_Unlocked );
1298 1299 1300
        pl_Release( p_vlc );
    }

1301
    return VLC_SUCCESS;
1302 1303
}

1304 1305 1306 1307 1308
/*****************************************************************************
 * Help: print program help
 *****************************************************************************
 * Print a short inline help. Message interface is initialized at this stage.
 *****************************************************************************/
1309 1310 1311
static inline void print_help_on_full_help( void )
{
    utf8_fprintf( stdout, "\n" );
1312
    utf8_fprintf( stdout, "%s\n", _("To get exhaustive help, use '-H'.") );
1313 1314
}

1315
static void Help( libvlc_int_t *p_this, char const *psz_help_name )
1316
{
1317 1318 1319
#ifdef WIN32
    ShowConsole( true );
#endif
1320

1321
    if( psz_help_name && !strcmp( psz_help_name, "help" ) )
1322
    {
1323
        utf8_fprintf( stdout, vlc_usage, "vlc" );
1324 1325
        Usage( p_this, "=help" );
        Usage( p_this, "=main" );
1326
        print_help_on_full_help();
1327
    }
1328
    else if( psz_help_name && !strcmp( psz_help_name, "longhelp" ) )
1329
    {
1330
        utf8_fprintf( stdout, vlc_usage, "vlc" );
1331
        Usage( p_this, NULL );
1332
        print_help_on_full_help();
1333 1334
    }
    else if( psz_help_name && !strcmp( psz_help_name, "full-help" ) )
1335
    {
1336
        utf8_fprintf( stdout, vlc_usage, "vlc" );
1337 1338 1339 1340 1341 1342 1343 1344 1345 1346
        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
1347 1348
}

1349 1350 1351 1352 1353
/*****************************************************************************
 * Usage: print module usage
 *****************************************************************************
 * Print a short inline help. Message interface is initialized at this stage.
 *****************************************************************************/
1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381
#   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 );
    }
}