libvlc.c 67.4 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
#include "modules/modules.h"
#include "config/configuration.h"
45

46 47 48
#include <stdio.h>                                              /* sprintf() */
#include <string.h>
#include <stdlib.h>                                                /* free() */
49

50 51 52
#ifndef WIN32
#   include <netinet/in.h>                            /* BSD: struct in_addr */
#endif
53

54 55 56 57 58
#ifdef HAVE_UNISTD_H
#   include <unistd.h>
#elif defined( WIN32 ) && !defined( UNDER_CE )
#   include <io.h>
#endif
59

60 61 62
#ifdef WIN32                       /* optind, getopt(), included in unistd.h */
#   include "extras/getopt.h"
#endif
63

64 65 66
#ifdef HAVE_LOCALE_H
#   include <locale.h>
#endif
67

68
#ifdef HAVE_DBUS
69 70 71
/* used for one-instance mode */
#   include <dbus/dbus.h>
#endif
72

73 74
#include <vlc_playlist.h>
#include <vlc_interface.h>
Sam Hocevar's avatar
Sam Hocevar committed
75

76 77
#include <vlc_aout.h>
#include "audio_output/aout_internal.h"
78

79
#include <vlc_charset.h>
80
#include <vlc_fs.h>
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
81
#include <vlc_cpu.h>
82
#include <vlc_url.h>
83

84
#include "libvlc.h"
85

86
#include "playlist/playlist_internal.h"
87

88
#include <vlc_vlm.h>
89

90 91 92 93
#ifdef __APPLE__
# include <libkern/OSAtomic.h>
#endif

94
#include <assert.h>
95

96
/*****************************************************************************
97
 * The evil global variables. We handle them with care, don't worry.
98
 *****************************************************************************/
99
static unsigned          i_instances = 0;
100

101
#ifndef WIN32
102
static bool b_daemon = false;
103
#endif
104

105 106 107
#undef vlc_gc_init
#undef vlc_hold
#undef vlc_release
108

109 110 111 112 113 114 115 116
/**
 * 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 *))
{
117
    /* There is no point in using the GC if there is no destructor... */
118
    assert (pf_destruct);
119 120
    p_gc->pf_destructor = pf_destruct;

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
121
    p_gc->refs = 1;
122
#if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
123
    __sync_synchronize ();
124
#elif defined (WIN32) && defined (__GNUC__)
125 126
#elif defined(__APPLE__)
    OSMemoryBarrier ();
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
127
#else
128 129 130 131
    /* 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
132
#endif
133
    return p_gc;
134 135
}

136 137 138 139 140 141
/**
 * Atomically increment the reference count.
 * @param p_gc reference counted object
 * @return p_gc.
 */
void *vlc_hold (gc_object_t * p_gc)
142
{
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
143
    uintptr_t refs;
144
    assert( p_gc );
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
145
    assert ((((uintptr_t)&p_gc->refs) & (sizeof (void *) - 1)) == 0); /* alignment */
146

147
#if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
148
    refs = __sync_add_and_fetch (&p_gc->refs, 1);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
149
#elif defined (WIN64)
150
    refs = InterlockedIncrement64 (&p_gc->refs);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
151 152
#elif defined (WIN32)
    refs = InterlockedIncrement (&p_gc->refs);
153
#elif defined(__APPLE__)
154
    refs = OSAtomicIncrement32Barrier((int*)&p_gc->refs);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
155
#else
156
    vlc_spin_lock (&p_gc->spin);
157
    refs = ++p_gc->refs;
158
    vlc_spin_unlock (&p_gc->spin);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
159
#endif
160
    assert (refs != 1); /* there had to be a reference already */
161
    return p_gc;
162 163
}

164 165 166 167 168
/**
 * 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)
169
{
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
170
    unsigned refs;
171 172

    assert( p_gc );
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
173
    assert ((((uintptr_t)&p_gc->refs) & (sizeof (void *) - 1)) == 0); /* alignment */
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
174

175
#if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
176
    refs = __sync_sub_and_fetch (&p_gc->refs, 1);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
177
#elif defined (WIN64)
178
    refs = InterlockedDecrement64 (&p_gc->refs);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
179 180
#elif defined (WIN32)
    refs = InterlockedDecrement (&p_gc->refs);
181
#elif defined(__APPLE__)
182
    refs = OSAtomicDecrement32Barrier((int*)&p_gc->refs);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
183
#else
184
    vlc_spin_lock (&p_gc->spin);
185
    refs = --p_gc->refs;
186
    vlc_spin_unlock (&p_gc->spin);
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
187
#endif
188

189 190
    assert (refs != (uintptr_t)(-1)); /* reference underflow?! */
    if (refs == 0)
191
    {
192
#if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
193
#elif defined (WIN32) && defined (__GNUC__)
194 195
#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
 *****************************************************************************/
Rémi Denis-Courmont's avatar
Oops  
Rémi Denis-Courmont committed
205 206 207 208
#if defined( ENABLE_NLS ) && (defined (__APPLE__) || defined (WIN32)) && \
    ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
static void SetLanguage   ( char const * );
#endif
209 210
static int  GetFilenames  ( libvlc_int_t *, int, const char *[] );
static void Help          ( libvlc_int_t *, char const *psz_help_name );
211
static void Usage         ( libvlc_int_t *, char const *psz_search );
212 213 214 215 216 217 218 219
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 );
220

221
static vlc_mutex_t global_lock = VLC_STATIC_MUTEX;
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
222

223 224 225 226 227 228 229 230 231 232 233 234
/**
 * 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
235
    vlc_mutex_lock( &global_lock );
236
    if( i_instances == 0 )
237
    {
238 239
        /* Guess what CPU we have */
        cpu_flags = CPUCapabilities();
240
        /* The module bank will be initialized later */
241
    }
242 243

    /* Allocate a libvlc instance object */
244
    p_libvlc = vlc_custom_create( (vlc_object_t *)NULL, sizeof (*priv),
245
                                  VLC_OBJECT_GENERIC, "libvlc" );
246 247
    if( p_libvlc != NULL )
        i_instances++;
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
248
    vlc_mutex_unlock( &global_lock );
249 250 251 252 253 254

    if( p_libvlc == NULL )
        return NULL;

    priv = libvlc_priv (p_libvlc);
    priv->p_playlist = NULL;
255
    priv->p_dialog_provider = NULL;
256 257 258
    priv->p_vlm = NULL;

    /* Initialize message queue */
259 260 261
    priv->msg_bank = msg_Create ();
    if (unlikely(priv->msg_bank == NULL))
        goto error;
262 263 264 265 266

    /* Find verbosity from VLC_VERBOSE environment variable */
    psz_env = getenv( "VLC_VERBOSE" );
    if( psz_env != NULL )
        priv->i_verbose = atoi( psz_env );
267
    else
268 269 270 271 272 273 274 275 276 277 278
        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 );

    return p_libvlc;
279 280 281
error:
    vlc_object_release (p_libvlc);
    return NULL;
282 283 284
}

/**
285 286 287 288 289 290
 * 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
291
 */
292 293
int libvlc_InternalInit( libvlc_int_t *p_libvlc, int i_argc,
                         const char *ppsz_argv[] )
294
{
295 296 297 298 299 300 301 302
    libvlc_priv_t *priv = libvlc_priv (p_libvlc);
    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;
303
    char        *psz_val;
304 305 306 307 308 309
#if defined( ENABLE_NLS ) \
     && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
# if defined (WIN32) || defined (__APPLE__)
    char *       psz_language;
#endif
#endif
310

311 312
    /* System specific initialization code */
    system_Init( p_libvlc, &i_argc, ppsz_argv );
313

314 315 316
    /*
     * Support for gettext
     */
317
    vlc_bindtextdomain (PACKAGE_NAME);
318

319 320 321 322 323
    /* 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 );
324

325
    if( config_LoadCmdLine( p_libvlc, &i_argc, ppsz_argv, true ) )
326
    {
327
        module_EndBank( p_libvlc, false );
328
        return VLC_EGENERIC;
329 330
    }

331
    priv->i_verbose = var_InheritInteger( p_libvlc, "verbose" );
332 333 334
    /* 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 );
335
    /*xgettext: Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
336
    msg_Dbg( p_libvlc, "translation test: code is \"%s\"", _("C") );
337

338
    /* Check for short help option */
339
    if( var_InheritBool( p_libvlc, "help" ) )
340 341 342 343 344 345
    {
        Help( p_libvlc, "help" );
        b_exit = true;
        i_ret = VLC_EEXITSUCCESS;
    }
    /* Check for version option */
346
    else if( var_InheritBool( p_libvlc, "version" ) )
347
    {
348 349 350
        Version();
        b_exit = true;
        i_ret = VLC_EEXITSUCCESS;
351 352
    }

353 354
    /* Check for daemon mode */
#ifndef WIN32
355
    if( var_InheritBool( p_libvlc, "daemon" ) )
356
    {
357 358 359 360 361 362 363 364 365 366 367
#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 */
368
        psz_pidfile = var_CreateGetNonEmptyString( p_libvlc, "pidfile" );
369 370 371 372 373 374
        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 );
375
            pidfile = vlc_fopen( psz_pidfile,"w" );
376 377 378 379 380 381 382 383 384 385 386 387 388 389 390
            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;
391

392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416
        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
417

418
    if( b_exit )
419
    {
420
        module_EndBank( p_libvlc, false );
421
        return i_ret;
422 423
    }

424 425 426 427
    /* Check for translation config option */
#if defined( ENABLE_NLS ) \
     && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
# if defined (WIN32) || defined (__APPLE__)
428
    if( !var_InheritBool( p_libvlc, "ignore-config" ) )
429
        config_LoadConfigFile( p_libvlc, "main" );
430
    priv->i_verbose = var_InheritInteger( p_libvlc, "verbose" );
431

432
    /* Check if the user specified a custom language */
433 434
    psz_language = var_CreateGetNonEmptyString( p_libvlc, "language" );
    if( psz_language && strcmp( psz_language, "auto" ) )
435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451
    {
        /* 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") );
    }
    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.
     */
452
    module_LoadPlugins( p_libvlc );
453
    if( p_libvlc->b_die )
454
    {
455
        b_exit = true;
456 457
    }

458 459 460
    size_t module_count;
    module_t **list = module_list_get( &module_count );
    module_list_free( list );
461
    msg_Dbg( p_libvlc, "module bank initialized (%zu modules)", module_count );
462 463

    /* Check for help on modules */
464
    if( (p_tmp = var_InheritString( p_libvlc, "module" )) )
465 466 467 468 469 470
    {
        Help( p_libvlc, p_tmp );
        free( p_tmp );
        b_exit = true;
        i_ret = VLC_EEXITSUCCESS;
    }
471
    /* Check for full help option */
472
    else if( var_InheritBool( p_libvlc, "full-help" ) )
473
    {
474 475 476 477
        var_Create( p_libvlc, "advanced", VLC_VAR_BOOL );
        var_SetBool( p_libvlc, "advanced", true );
        var_Create( p_libvlc, "help-verbose", VLC_VAR_BOOL );
        var_SetBool( p_libvlc, "help-verbose", true );
478 479 480 481
        Help( p_libvlc, "full-help" );
        b_exit = true;
        i_ret = VLC_EEXITSUCCESS;
    }
482
    /* Check for long help option */
483
    else if( var_InheritBool( p_libvlc, "longhelp" ) )
484 485 486 487 488 489
    {
        Help( p_libvlc, "longhelp" );
        b_exit = true;
        i_ret = VLC_EEXITSUCCESS;
    }
    /* Check for module list option */
490
    else if( var_InheritBool( p_libvlc, "list" ) )
491 492 493 494 495
    {
        ListModules( p_libvlc, false );
        b_exit = true;
        i_ret = VLC_EEXITSUCCESS;
    }
496
    else if( var_InheritBool( p_libvlc, "list-verbose" ) )
497 498 499 500 501
    {
        ListModules( p_libvlc, true );
        b_exit = true;
        i_ret = VLC_EEXITSUCCESS;
    }
502

503
    /* Check for config file options */
504
    if( !var_InheritBool( p_libvlc, "ignore-config" ) )
505
    {
506
        if( var_InheritBool( p_libvlc, "reset-config" ) )
507 508 509 510
        {
            config_ResetAll( p_libvlc );
            config_SaveConfigFile( p_libvlc, NULL );
        }
511 512
    }

513 514 515 516 517 518 519 520
    if( module_count <= 1)
    {
        msg_Err( p_libvlc, "No modules were found, refusing to start. Check "
                "that you properly gave a module path with --plugin-path.");
        b_exit = true;
        i_ret = VLC_ENOITEM;
    }

521
    if( b_exit )
522
    {
523
        module_EndBank( p_libvlc, true );
524
        return i_ret;
525
    }
526 527 528 529

    /*
     * Override default configuration with config file settings
     */
530
    if( !var_InheritBool( p_libvlc, "ignore-config" ) )
531 532 533 534 535 536
        config_LoadConfigFile( p_libvlc, NULL );

    /*
     * Override configuration with command line settings
     */
    if( config_LoadCmdLine( p_libvlc, &i_argc, ppsz_argv, false ) )
537
    {
538 539 540 541 542 543 544
#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
545
        module_EndBank( p_libvlc, true );
546
        return VLC_EGENERIC;
547
    }
548
    priv->i_verbose = var_InheritInteger( p_libvlc, "verbose" );
549

550 551 552 553
    /*
     * System specific configuration
     */
    system_Configure( p_libvlc, &i_argc, ppsz_argv );
554

555
/* FIXME: could be replaced by using Unix sockets */
556
#ifdef HAVE_DBUS
557
    dbus_threads_init_default();
558

559 560 561
    if( var_InheritBool( p_libvlc, "one-instance" )
    || ( var_InheritBool( p_libvlc, "one-instance-when-started-from-file" )
      && var_InheritBool( p_libvlc, "started-from-file" ) ) )
562
    {
563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620
        /* 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 );
621
                        exit( 1 );
622 623 624 625 626 627 628 629 630
                    }

                    /* 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 );
631
                        exit( 1 );
632 633
                    }
                    b_play = TRUE;
634
                    if( var_InheritBool( p_libvlc, "playlist-enqueue" ) )
635 636 637 638 639 640
                        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 );
641
                        exit( 1 );
642 643 644 645 646 647 648 649 650
                    }

                    /* 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 );
651
                        exit( 1 );
652 653 654 655 656 657 658
                    }

                    if ( NULL == p_dbus_pending )
                    {
                        msg_Err( p_libvlc, "D-Bus problem" );
                        dbus_message_unref( p_dbus_msg );
                        system_End( p_libvlc );
659
                        exit( 1 );
660 661 662 663 664 665 666 667 668 669
                    }
                    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 );
670
                exit( 0 );
671 672 673 674
            }
        }
        /* we unreference the connection when we've finished with it */
        if( p_conn ) dbus_connection_unref( p_conn );
675
    }
676
#endif
677

678 679 680
    /*
     * Message queue options
     */
681
    char * psz_verbose_objects = var_CreateGetNonEmptyString( p_libvlc, "verbose-objects" );
682 683 684 685 686 687 688 689 690 691 692 693 694 695
    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"
696
                            "(keyword 'all' to applies to all objects)");
697
                    free( psz_verbose_objects );
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
698
                    /* FIXME: leaks!!!! */
699 700 701 702 703
                    return VLC_EGENERIC;
            }
        }
        free( psz_verbose_objects );
    }
704

705
    /* Last chance to set the verbosity. Once we start interfaces and other
706
     * threads, verbosity becomes read-only. */
707
    var_Create( p_libvlc, "verbose", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
708
    if( var_InheritBool( p_libvlc, "quiet" ) )
709
    {
710 711
        var_SetInteger( p_libvlc, "verbose", -1 );
        priv->i_verbose = -1;
712
    }
713
    vlc_threads_setup( p_libvlc );
714 715

    if( priv->b_color )
716
        priv->b_color = var_InheritBool( p_libvlc, "color" );
717

718 719 720 721 722 723 724 725 726 727
    char p_capabilities[200];
#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';                  \
    }
    p_capabilities[0] = '\0';

728
#if defined( __i386__ ) || defined( __x86_64__ )
729
    if( !var_InheritBool( p_libvlc, "mmx" ) )
730
        cpu_flags &= ~CPU_CAPABILITY_MMX;
731
    if( !var_InheritBool( p_libvlc, "3dn" ) )
732
        cpu_flags &= ~CPU_CAPABILITY_3DNOW;
733
    if( !var_InheritBool( p_libvlc, "mmxext" ) )
734
        cpu_flags &= ~CPU_CAPABILITY_MMXEXT;
735
    if( !var_InheritBool( p_libvlc, "sse" ) )
736
        cpu_flags &= ~CPU_CAPABILITY_SSE;
737
    if( !var_InheritBool( p_libvlc, "sse2" ) )
738
        cpu_flags &= ~CPU_CAPABILITY_SSE2;
739
    if( !var_InheritBool( p_libvlc, "sse3" ) )
740
        cpu_flags &= ~CPU_CAPABILITY_SSE3;
741
    if( !var_InheritBool( p_libvlc, "ssse3" ) )
742
        cpu_flags &= ~CPU_CAPABILITY_SSSE3;
743
    if( !var_InheritBool( p_libvlc, "sse41" ) )
744
        cpu_flags &= ~CPU_CAPABILITY_SSE4_1;
745
    if( !var_InheritBool( p_libvlc, "sse42" ) )
746
        cpu_flags &= ~CPU_CAPABILITY_SSE4_2;
747

748 749 750 751 752
    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" );
753
    PRINT_CAPABILITY( CPU_CAPABILITY_SSE3, "SSE3" );
Rémi Denis-Courmont's avatar
Typo  
Rémi Denis-Courmont committed
754
    PRINT_CAPABILITY( CPU_CAPABILITY_SSSE3, "SSSE3" );
755 756 757
    PRINT_CAPABILITY( CPU_CAPABILITY_SSE4_1, "SSE4.1" );
    PRINT_CAPABILITY( CPU_CAPABILITY_SSE4_2, "SSE4.2" );
    PRINT_CAPABILITY( CPU_CAPABILITY_SSE4A,  "SSE4A" );
758 759

#elif defined( __powerpc__ ) || defined( __ppc__ ) || defined( __ppc64__ )
760
    if( !var_InheritBool( p_libvlc, "altivec" ) )
761 762
        cpu_flags &= ~CPU_CAPABILITY_ALTIVEC;

763
    PRINT_CAPABILITY( CPU_CAPABILITY_ALTIVEC, "AltiVec" );
764 765 766 767 768 769

#elif defined( __arm__ )
    PRINT_CAPABILITY( CPU_CAPABILITY_NEON, "NEONv1" );

#endif

770 771 772 773 774 775
#if HAVE_FPU
    strncat( p_capabilities, "FPU ",
             sizeof(p_capabilities) - strlen( p_capabilities) );
    p_capabilities[sizeof(p_capabilities) - 1] = '\0';
#endif

776 777
    if (p_capabilities[0])
        msg_Dbg( p_libvlc, "CPU has capabilities %s", p_capabilities );
778 779 780 781

    /*
     * Choose the best memcpy module
     */
782
    priv->p_memcpy_module = module_need( p_libvlc, "memcpy", "$memcpy", false );
783 784
    /* Avoid being called "memcpy":*/
    vlc_object_set_name( p_libvlc, "main" );
785

786
    priv->b_stats = var_InheritBool( p_libvlc, "stats" );
787 788 789
    priv->i_timers = 0;
    priv->pp_timers = NULL;

790 791
    priv->i_last_input_id = 0; /* Not very safe, should be removed */

792 793 794
    /*
     * Initialize hotkey handling
     */
795
    vlc_InitActions( p_libvlc );
796

797 798 799 800 801 802 803
    /* Create a variable for showing the fullscreen interface */
    var_Create( p_libvlc, "intf-show", VLC_VAR_BOOL );
    var_SetBool( p_libvlc, "intf-show", true );

    /* Create a variable for showing the right click menu */
    var_Create( p_libvlc, "intf-popupmenu", VLC_VAR_BOOL );

804 805 806 807
    /* variables for signalling creation of new files */
    var_Create( p_libvlc, "snapshot-file", VLC_VAR_STRING );
    var_Create( p_libvlc, "record-file", VLC_VAR_STRING );

808
    /* Initialize playlist and get commandline files */
809 810
    p_playlist = playlist_Create( VLC_OBJECT(p_libvlc) );
    if( !p_playlist )
811 812 813 814
    {
        msg_Err( p_libvlc, "playlist initialization failed" );
        if( priv->p_memcpy_module != NULL )
        {
815
            module_unneed( p_libvlc, priv->p_memcpy_module );
816
        }
817
        module_EndBank( p_libvlc, true );
818 819
        return VLC_EGENERIC;
    }
820

821
    /* Add service discovery modules */
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
822
    psz_modules = var_InheritString( p_libvlc, "services-discovery" );
823
    if( psz_modules )
824
    {
825 826 827
        char *p = psz_modules, *m;
        while( ( m = strsep( &p, " :," ) ) != NULL )
            playlist_ServicesDiscoveryAdd( p_playlist, m );
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
828
        free( psz_modules );
829
    }
830

831
#ifdef ENABLE_VLM
832
    /* Initialize VLM if vlm-conf is specified */
833 834
    psz_parser = var_CreateGetNonEmptyString( p_libvlc, "vlm-conf" );
    if( psz_parser )
835
    {
836 837 838
        priv->p_vlm = vlm_New( p_libvlc );
        if( !priv->p_vlm )
            msg_Err( p_libvlc, "VLM initialization failed" );
839
    }
840 841
    free( psz_parser );
#endif
842

843 844 845
    /*
     * Load background interfaces
     */
846 847
    psz_modules = var_CreateGetNonEmptyString( p_libvlc, "extraintf" );
    psz_control = var_CreateGetNonEmptyString( p_libvlc, "control" );
848

849
    if( psz_modules && psz_control )
850
    {
851 852 853 854 855 856
        char* psz_tmp;
        if( asprintf( &psz_tmp, "%s:%s", psz_modules, psz_control ) != -1 )
        {
            free( psz_modules );
            psz_modules = psz_tmp;
        }
857
    }
858
    else if( psz_control )
859
    {
860 861
        free( psz_modules );
        psz_modules = strdup( psz_control );
862 863
    }

864 865 866 867 868 869 870 871 872 873 874
    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++;
        }
875
        if( asprintf( &psz_temp, "%s,none", psz_module ) != -1)
876
        {
877
            intf_Create( p_libvlc, psz_temp );
878 879 880 881 882 883 884 885 886
            free( psz_temp );
        }
    }
    free( psz_modules );
    free( psz_control );

    /*
     * Always load the hotkeys interface if it exists
     */
887
    intf_Create( p_libvlc, "hotkeys,none" );
888

889
#ifdef HAVE_DBUS
890 891
    /* loads dbus control interface if in one-instance mode
     * we do it only when playlist exists, because dbus module needs it */
892 893 894
    if( var_InheritBool( p_libvlc, "one-instance" )
     || ( var_InheritBool( p_libvlc, "one-instance-when-started-from-file" )
       && var_InheritBool( p_libvlc, "started-from-file" ) ) )
895
        intf_Create( p_libvlc, "dbus,none" );
896

897
# if !defined (HAVE_MAEMO)
898 899
    /* Prevents the power management daemon from suspending the system
     * when VLC is active */
900
    if( var_InheritBool( p_libvlc, "inhibit" ) > 0 )
901
        intf_Create( p_libvlc, "inhibit,none" );
902
# endif
903
#endif
904

905 906
    if( var_InheritBool( p_libvlc, "file-logging" ) &&
        !var_InheritBool( p_libvlc, "syslog" ) )
907
    {
908
        intf_Create( p_libvlc, "logger,none" );
909 910
    }
#ifdef HAVE_SYSLOG_H
911
    if( var_InheritBool( p_libvlc, "syslog" ) )
912
    {
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
913
        char *logmode = var_CreateGetNonEmptyString( p_libvlc, "logmode" );
914
        var_SetString( p_libvlc, "logmode", "syslog" );
915
        intf_Create( p_libvlc, "logger,none" );
916

917 918 919 920 921
        if( logmode )
        {
            var_SetString( p_libvlc, "logmode", logmode );
            free( logmode );
        }
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
922
        var_Destroy( p_libvlc, "logmode" );
923 924 925
    }
#endif

926
    if( var_InheritBool( p_libvlc, "network-synchronisation") )
927
    {
928
        intf_Create( p_libvlc, "netsync,none" );
929
    }
930

931
#ifdef WIN32
932
    if( var_InheritBool( p_libvlc, "prefer-system-codecs") )
933
    {
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
934
        char *psz_codecs = var_CreateGetNonEmptyString( p_libvlc, "codec" );
935 936 937
        if( psz_codecs )
        {
            char *psz_morecodecs;
938
            if( asprintf(&psz_morecodecs, "%s,dmo,quicktime", psz_codecs) != -1 )
939
            {
940
                var_SetString( p_libvlc, "codec", psz_morecodecs);
941 942
                free( psz_morecodecs );
            }
943
            free( psz_codecs );
944 945
        }
        else
946
            var_SetString( p_libvlc, "codec", "dmo,quicktime");
947
    }
948
#endif
949

950 951 952 953 954 955 956 957
    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 );
958 959 960
#ifdef WIN32
    var_Create( p_libvlc, "drawable-hwnd", VLC_VAR_ADDRESS );
#endif
961 962 963 964 965 966 967 968 969

    /*
     * Get input filenames given as commandline arguments
     */
    GetFilenames( p_libvlc, i_argc, ppsz_argv );

    /*
     * Get --open argument
     */
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
970
    psz_val = var_InheritString( p_libvlc, "open" );
971
    if ( psz_val != NULL )
972
    {
973
        playlist_AddExt( p_playlist, psz_val, NULL, PLAYLIST_INSERT, 0,
974
                         -1, 0, NULL, 0, true, pl_Unlocked );
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
975
        free( psz_val );
976
    }
977

978
    return VLC_SUCCESS;
979 980 981
}

/**
982 983
 * Cleanup a libvlc instance. The instance is not completely deallocated
 * \param p_libvlc the instance to clean
984
 */
985
void libvlc_InternalCleanup( libvlc_int_t *p_libvlc )
986
{
987
    libvlc_priv_t *priv = libvlc_priv (p_libvlc);
988
    playlist_t    *p_playlist = libvlc_priv (p_libvlc)->p_playlist;
989 990 991

    /* Deactivate the playlist */
    msg_Dbg( p_libvlc, "deactivating the playlist" );
992
    pl_Deactivate( p_libvlc );
993 994 995 996

    /* 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
997

998 999
    /* Ask the interfaces to stop and destroy them */
    msg_Dbg( p_libvlc, "removing all interfaces" );
1000
    libvlc_Quit( p_libvlc );
1001
    intf_DestroyAll( p_libvlc );
1002

1003
#ifdef ENABLE_VLM
1004 1005 1006 1007 1008 1009 1010
    /* Destroy VLM if created in libvlc_InternalInit */
    if( priv->p_vlm )
    {
        vlm_Delete( priv->p_vlm );
    }
#endif

1011 1012
    /* Free playlist now, all threads are gone */
    playlist_Destroy( p_playlist );
1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023

    stats_TimersDumpAll( p_libvlc );
    stats_TimersCleanAll( p_libvlc );

    msg_Dbg( p_libvlc, "removing stats" );

#ifndef WIN32
    char* psz_pidfile = NULL;

    if( b_daemon )
    {
1024
        psz_pidfile = var_CreateGetNonEmptyString( p_libvlc, "pidfile" );
1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039
        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 )
    {
1040
        module_unneed( p_libvlc, priv->p_memcpy_module );
1041 1042 1043 1044
        priv->p_memcpy_module = NULL;
    }

    /* Free module bank. It is refcounted, so we call this each time  */
1045
    module_EndBank( p_libvlc, true );
1046

1047
    vlc_DeinitActions( p_libvlc );
1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059
}

/**
 * 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 );
1060

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
1061
    vlc_mutex_lock( &global_lock );
1062 1063 1064 1065 1066 1067 1068
    i_instances--;

    if( i_instances == 0 )
    {
        /* System specific cleaning code */
        system_End( p_libvlc );
    }
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
1069
    vlc_mutex_unlock( &global_lock );
1070

1071
    msg_Destroy (priv->msg_bank);
1072 1073 1074 1075

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