libvlc.c 39.4 KB
Newer Older
1 2 3
/*****************************************************************************
 * libvlc.c: main libvlc source
 *****************************************************************************
4
 * Copyright (C) 1998-2002 VideoLAN
5
 * $Id: libvlc.c,v 1.36 2002/10/04 18:07:22 sam Exp $
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
 *
 * Authors: Vincent Seguin <seguin@via.ecp.fr>
 *          Samuel Hocevar <sam@zoy.org>
 *          Gildas Bazin <gbazin@netcourrier.com>
 *
 * 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
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
 *****************************************************************************/

/*****************************************************************************
 * Pretend we are a builtin module
 *****************************************************************************/
#define MODULE_NAME main
30
#define MODULE_PATH main
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52
#define __BUILTIN__

/*****************************************************************************
 * Preamble
 *****************************************************************************/
#include <errno.h>                                                 /* ENOMEM */
#include <stdio.h>                                              /* sprintf() */
#include <string.h>                                            /* strerror() */
#include <stdlib.h>                                                /* free() */

#include <vlc/vlc.h>

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

#ifdef HAVE_UNISTD_H
#   include <unistd.h>
#elif defined( _MSC_VER ) && defined( _WIN32 )
#   include <io.h>
#endif

53
#ifdef WIN32                       /* optind, getopt(), included in unistd.h */
54
#   include "extras/GNUgetopt/getopt.h"
55 56
#endif

57 58 59 60 61
#ifdef HAVE_LOCALE_H
#   include <locale.h>
#endif

#include "vlc_cpu.h"                                        /* CPU detection */
62
#include "os_specific.h"
63 64 65 66 67 68

#include "netutils.h"                                 /* network_ChannelJoin */

#include "stream_control.h"
#include "input_ext-intf.h"

69
#include "vlc_playlist.h"
70 71 72 73 74 75 76 77 78 79
#include "interface.h"

#include "audio_output.h"

#include "video.h"
#include "video_output.h"

#include "libvlc.h"

/*****************************************************************************
80
 * The evil global variable. We handle it with care, don't worry.
81
 *****************************************************************************/
82
static libvlc_t libvlc;
83

84 85
//#define GLOBAL_VLC NULL
#define GLOBAL_VLC ((vlc_t*)libvlc.pp_children[1])
86 87 88 89 90

/*****************************************************************************
 * Local prototypes
 *****************************************************************************/
static int  GetFilenames  ( vlc_t *, int, char *[] );
91 92
static void Usage         ( vlc_t *, const char *psz_module_name );
static void ListModules   ( vlc_t * );
93 94 95 96 97 98 99 100 101 102
static void Version       ( void );

#ifdef WIN32
static void ShowConsole   ( void );
#endif

/*****************************************************************************
 * vlc_create: allocate a vlc_t structure, and initialize libvlc if needed.
 *****************************************************************************
 * This function allocates a vlc_t structure and returns NULL in case of
103
 * failure. Also, the thread system is initialized.
104
 *****************************************************************************/
105 106
vlc_error_t vlc_create( void )
{
107 108 109
    vlc_t * p_vlc;
    vlc_bool_t b_failed = VLC_FALSE;

110 111
    /* This call should be thread-safe, but an additional check will be
     * necessary afterwards to check that only one p_vlc is created. */
112 113 114 115 116 117 118 119 120 121
    p_vlc = vlc_create_r();

    if( p_vlc == NULL )
    {
        return VLC_EGENERIC;
    }

    /* We have created an object, which ensures us that p_global_lock has
     * been properly initialized. We can now atomically check that we are
     * the only p_vlc object. */
122 123 124
#if 0
    vlc_mutex_lock( libvlc.p_global_lock );
    if( libvlc.i_children != 1 ) /* FIXME !!! FIXME */
125 126 127
    {
        b_failed = VLC_TRUE;
    }
128 129
    vlc_mutex_unlock( libvlc.p_global_lock );
#endif
130 131 132 133 134 135 136 137 138

    /* There can be only one */
    if( b_failed )
    {
        vlc_destroy_r( p_vlc );
        return VLC_EGENERIC;
    }

    return VLC_SUCCESS;
139 140 141
}

vlc_t * vlc_create_r( void )
142
{
143
    int i_ret;
144
    vlc_t * p_vlc = NULL;
145
    vlc_mutex_t * p_libvlc_lock;
146

147 148 149 150 151 152 153 154 155
    /* vlc_threads_init *must* be the first internal call! No other call is
     * allowed before the thread system has been initialized. */
    i_ret = vlc_threads_init( &libvlc );
    if( i_ret )
    {
        return NULL;
    }

    /* Now that the thread system is initialized, we don't have much, but
156 157 158
     * at least we have vlc_mutex_need */
    p_libvlc_lock = vlc_mutex_need( &libvlc, "libvlc" );
    vlc_mutex_lock( p_libvlc_lock );
159 160
    if( !libvlc.b_ready )
    {
161 162
        char *psz_env;

163 164 165
        /* Guess what CPU we have */
        libvlc.i_cpu = CPUCapabilities();

166 167 168 169 170 171 172 173 174 175
        /* Find verbosity from VLC_VERBOSE environment variable */
        psz_env = getenv( "VLC_VERBOSE" );
        libvlc.i_verbose = psz_env ? atoi( psz_env ) : 0;

#ifdef HAVE_ISATTY
        libvlc.b_color = isatty( 2 ); /* 2 is for stderr */
#else
        libvlc.b_color = VLC_FALSE;
#endif

176 177 178 179 180 181 182
        /* Initialize message queue */
        msg_Create( &libvlc );

        /* Announce who we are */
        msg_Dbg( &libvlc, COPYRIGHT_MESSAGE );
        msg_Dbg( &libvlc, "libvlc was configured with %s", CONFIGURE_LINE );

183
        /* Initialize the module bank and load the configuration of the
184 185 186 187 188
         * 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( &libvlc );
        module_LoadMain( &libvlc );
189 190

        libvlc.b_ready = VLC_TRUE;
191
    }
192 193
    vlc_mutex_unlock( p_libvlc_lock );
    vlc_mutex_unneed( &libvlc, "libvlc" );
194 195 196

    /* Allocate a vlc object */
    p_vlc = vlc_object_create( &libvlc, VLC_OBJECT_VLC );
197 198 199 200 201 202 203 204
    if( p_vlc == NULL )
    {
        return NULL;
    }

    p_vlc->psz_object_name = "root";

    /* Initialize mutexes */
205
    vlc_mutex_init( p_vlc, &p_vlc->config_lock );
206 207

    /* Store our newly allocated structure in the global list */
208
    vlc_object_attach( p_vlc, &libvlc );
209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224

    /* Update the handle status */
    p_vlc->i_status = VLC_STATUS_CREATED;

    return p_vlc;
}

/*****************************************************************************
 * vlc_init: initialize a vlc_t structure.
 *****************************************************************************
 * This function initializes a previously allocated vlc_t structure:
 *  - CPU detection
 *  - gettext initialization
 *  - message queue, module bank and playlist initialization
 *  - configuration and commandline parsing
 *****************************************************************************/
225 226
vlc_error_t vlc_init( int i_argc, char *ppsz_argv[] )
{
227
    return vlc_init_r( GLOBAL_VLC, i_argc, ppsz_argv );
228 229 230
}

vlc_error_t vlc_init_r( vlc_t *p_vlc, int i_argc, char *ppsz_argv[] )
231
{
232 233 234 235 236
    char         p_capabilities[200];
    char *       p_tmp;
    vlc_bool_t   b_exit;
    module_t    *p_help_module;
    playlist_t  *p_playlist;
237 238 239 240

    /* Check that the handle is valid */
    if( !p_vlc || p_vlc->i_status != VLC_STATUS_CREATED )
    {
241
        fprintf( stderr, "error: invalid status (!CREATED)\n" );
242 243 244
        return VLC_ESTATUS;
    }

245
    /* Support for gettext */
246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265
#if defined( ENABLE_NLS ) && defined ( HAVE_GETTEXT )
#   if defined( HAVE_LOCALE_H ) && defined( HAVE_LC_MESSAGES )
    if( !setlocale( LC_MESSAGES, "" ) )
    {
        fprintf( stderr, "warning: unsupported locale settings\n" );
    }

    setlocale( LC_CTYPE, "" );
#   endif

    if( !bindtextdomain( PACKAGE, LOCALEDIR ) )
    {
        fprintf( stderr, "warning: no domain %s in directory %s\n",
                 PACKAGE, LOCALEDIR );
    }

    textdomain( PACKAGE );
#endif

    /*
266
     * System specific initialization code
267
     */
268
    system_Init( p_vlc, &i_argc, ppsz_argv );
269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288

    /* Get the executable name (similar to the basename command) */
    if( i_argc > 0 )
    {
        p_vlc->psz_object_name = p_tmp = ppsz_argv[ 0 ];
        while( *p_tmp )
        {
            if( *p_tmp == '/' ) p_vlc->psz_object_name = ++p_tmp;
            else ++p_tmp;
        }
    }
    else
    {
        p_vlc->psz_object_name = "vlc";
    }

    /* Hack: insert the help module here */
    p_help_module = vlc_object_create( p_vlc, VLC_OBJECT_MODULE );
    if( p_help_module == NULL )
    {
289
        //module_EndBank( p_vlc );
290 291 292 293
        return VLC_EGENERIC;
    }
    p_help_module->psz_object_name = "help";
    config_Duplicate( p_help_module, p_help_config );
294
    vlc_object_attach( p_help_module, libvlc.p_module_bank );
295 296
    /* End hack */

Sam Hocevar's avatar
Sam Hocevar committed
297
    if( config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_TRUE ) )
298
    {
299
        vlc_object_detach( p_help_module );
300 301
        config_Free( p_help_module );
        vlc_object_destroy( p_help_module );
302
        //module_EndBank( p_vlc );
303 304 305
        return VLC_EGENERIC;
    }

306 307
    b_exit = VLC_FALSE;

308 309 310
    /* Check for short help option */
    if( config_GetInt( p_vlc, "help" ) )
    {
311
        fprintf( stderr, _("Usage: %s [options] [items]...\n\n"),
312
                         p_vlc->psz_object_name );
313
        Usage( p_vlc, "main" );
314 315
        Usage( p_vlc, "help" );
        b_exit = VLC_TRUE;
316 317
    }
    /* Check for version option */
318
    else if( config_GetInt( p_vlc, "version" ) )
319 320
    {
        Version();
321 322 323 324 325 326 327 328 329
        b_exit = VLC_TRUE;
    }

    /* Hack: remove the help module here */
    vlc_object_detach( p_help_module );
    /* End hack */

    if( b_exit )
    {
330 331
        config_Free( p_help_module );
        vlc_object_destroy( p_help_module );
332
        //module_EndBank( p_vlc );
333 334 335 336 337 338 339 340 341
        return VLC_EEXIT;
    }

    /*
     * 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.
     */
342 343
    module_LoadBuiltins( &libvlc );
    module_LoadPlugins( &libvlc );
344
    msg_Dbg( p_vlc, "module bank initialized, found %i modules",
345
                    libvlc.p_module_bank->i_children );
346 347

    /* Hack: insert the help module here */
348
    vlc_object_attach( p_help_module, libvlc.p_module_bank );
349 350 351 352 353
    /* End hack */

    /* Check for help on modules */
    if( (p_tmp = config_GetPsz( p_vlc, "module" )) )
    {
354
        Usage( p_vlc, p_tmp );
355
        free( p_tmp );
356
        b_exit = VLC_TRUE;
357 358
    }
    /* Check for long help option */
359
    else if( config_GetInt( p_vlc, "longhelp" ) )
360
    {
361
        Usage( p_vlc, NULL );
362
        b_exit = VLC_TRUE;
363 364
    }
    /* Check for module list option */
365
    else if( config_GetInt( p_vlc, "list" ) )
366
    {
367
        ListModules( p_vlc );
368
        b_exit = VLC_TRUE;
369 370 371
    }

    /* Hack: remove the help module here */
372
    vlc_object_detach( p_help_module );
373 374 375 376
    config_Free( p_help_module );
    vlc_object_destroy( p_help_module );
    /* End hack */

377 378
    if( b_exit )
    {
379
        //module_EndBank( p_vlc );
380 381 382
        return VLC_EEXIT;
    }

383 384 385 386
    /*
     * Override default configuration with config file settings
     */
    p_vlc->psz_homedir = config_GetHomeDir();
387
    config_LoadConfigFile( p_vlc, NULL );
388 389 390 391

    /*
     * Override configuration with command line settings
     */
Sam Hocevar's avatar
Sam Hocevar committed
392
    if( config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_FALSE ) )
393 394 395 396 397 398 399 400
    {
#ifdef WIN32
        ShowConsole();
        /* 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.\nPress the RETURN key to continue..." );
        getchar();
#endif
401
        //module_EndBank( p_vlc );
402 403 404 405 406 407
        return VLC_EGENERIC;
    }

    /*
     * System specific configuration
     */
408
    system_Configure( p_vlc );
409

410 411 412 413 414 415 416 417 418 419
    /*
     * Message queue options
     */
    if( config_GetInt( p_vlc, "quiet" ) )
    {
        libvlc.i_verbose = 0;
    }
    else
    {
        int i_tmp = config_GetInt( p_vlc, "verbose" );
420
        if( i_tmp >= 0 )
421
        {
422
            libvlc.i_verbose = __MIN( i_tmp, 4 );
423 424 425 426
        }
    }
    libvlc.b_color = libvlc.b_color || config_GetInt( p_vlc, "color" );

427 428 429 430 431 432 433
    /*
     * Output messages that may still be in the queue
     */
    msg_Flush( p_vlc );

    /* p_vlc inititalization. FIXME ? */
    p_vlc->i_desync = config_GetInt( p_vlc, "desync" ) * (mtime_t)1000;
434

435
#if defined( __i386__ )
436
    if( !config_GetInt( p_vlc, "mmx" ) )
437
        libvlc.i_cpu &= ~CPU_CAPABILITY_MMX;
438
    if( !config_GetInt( p_vlc, "3dn" ) )
439
        libvlc.i_cpu &= ~CPU_CAPABILITY_3DNOW;
440
    if( !config_GetInt( p_vlc, "mmxext" ) )
441
        libvlc.i_cpu &= ~CPU_CAPABILITY_MMXEXT;
442
    if( !config_GetInt( p_vlc, "sse" ) )
443
        libvlc.i_cpu &= ~CPU_CAPABILITY_SSE;
444 445
#endif
#if defined( __powerpc__ ) || defined( SYS_DARWIN )
446
    if( !config_GetInt( p_vlc, "altivec" ) )
447
        libvlc.i_cpu &= ~CPU_CAPABILITY_ALTIVEC;
448
#endif
449 450

#define PRINT_CAPABILITY( capability, string )                              \
451
    if( libvlc.i_cpu & capability )                                         \
452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472
    {                                                                       \
        strncat( p_capabilities, string " ",                                \
                 sizeof(p_capabilities) - strlen(p_capabilities) );         \
        p_capabilities[sizeof(p_capabilities) - 1] = '\0';                  \
    }

    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_ALTIVEC, "AltiVec" );
    PRINT_CAPABILITY( CPU_CAPABILITY_FPU, "FPU" );
    msg_Dbg( p_vlc, "CPU has capabilities %s", p_capabilities );

    /*
     * Choose the best memcpy module
     */
473
    p_vlc->p_memcpy_module = module_Need( p_vlc, "memcpy", "$memcpy" );
474

475
    if( p_vlc->pf_memcpy == NULL )
476 477 478
    {
        p_vlc->pf_memcpy = memcpy;
    }
479 480 481 482 483

    if( p_vlc->pf_memset == NULL )
    {
        p_vlc->pf_memset = memset;
    }
484 485 486 487 488

    /*
     * Initialize shared resources and libraries
     */
    if( config_GetInt( p_vlc, "network-channel" )
489
         && network_ChannelCreate( p_vlc ) )
490 491
    {
        /* On error during Channels initialization, switch off channels */
492 493
        msg_Warn( p_vlc,
                  "channels initialization failed, deactivating channels" );
Sam Hocevar's avatar
Sam Hocevar committed
494
        config_PutInt( p_vlc, "network-channel", VLC_FALSE );
495 496 497 498 499
    }

    /*
     * Initialize playlist and get commandline files
     */
500
    p_playlist = playlist_Create( p_vlc );
501 502 503
    if( !p_playlist )
    {
        msg_Err( p_vlc, "playlist initialization failed" );
504 505
        if( p_vlc->p_memcpy_module != NULL )
        {
506
            module_Unneed( p_vlc, p_vlc->p_memcpy_module );
507
        }
508
        //module_EndBank( p_vlc );
509 510 511
        return VLC_EGENERIC;
    }

512 513 514
    /* Update the handle status */
    p_vlc->i_status = VLC_STATUS_STOPPED;

515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530
    /*
     * Get input filenames given as commandline arguments
     */
    GetFilenames( p_vlc, i_argc, ppsz_argv );

    return VLC_SUCCESS;
}

/*****************************************************************************
 * vlc_add_intf: add an interface
 *****************************************************************************
 * This function opens an interface plugin and runs it. If b_block is set
 * to 0, vlc_add_intf will return immediately and let the interface run in a
 * separate thread. If b_block is set to 1, vlc_add_intf will continue until
 * user requests to quit.
 *****************************************************************************/
531 532
vlc_error_t vlc_add_intf( const char *psz_module, vlc_bool_t b_block )
{
533
    return vlc_add_intf_r( GLOBAL_VLC,
534 535 536 537 538
                           psz_module, b_block );
}

vlc_error_t vlc_add_intf_r( vlc_t *p_vlc, const char *psz_module,
                                          vlc_bool_t b_block )
539 540 541 542 543 544 545 546
{
    vlc_error_t err;
    intf_thread_t *p_intf;
    char *psz_oldmodule = NULL;

    /* Check that the handle is valid */
    if( !p_vlc || p_vlc->i_status != VLC_STATUS_RUNNING )
    {
547
        fprintf( stderr, "error: invalid status (!RUNNING)\n" );
548 549 550 551 552 553 554 555 556 557
        return VLC_ESTATUS;
    }

    if( psz_module )
    {
        psz_oldmodule = config_GetPsz( p_vlc, "intf" );
        config_PutPsz( p_vlc, "intf", psz_module );
    }

    /* Try to create the interface */
558
    p_intf = intf_Create( p_vlc );
559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579

    if( psz_module )
    {
        config_PutPsz( p_vlc, "intf", psz_oldmodule );
        if( psz_oldmodule )
        {
            free( psz_oldmodule );
        }
    }

    if( p_intf == NULL )
    {
        msg_Err( p_vlc, "interface initialization failed" );
        return VLC_EGENERIC;
    }

    /* Try to run the interface */
    p_intf->b_block = b_block;
    err = intf_RunThread( p_intf );
    if( err )
    {
580
        vlc_object_detach( p_intf );
581 582 583 584 585 586 587 588
        intf_Destroy( p_intf );
        return err;
    }

    return VLC_SUCCESS;
}

/*****************************************************************************
589
 * vlc_destroy: stop playing and destroy everything.
590
 *****************************************************************************
591
 * This function requests the running threads to finish, waits for their
592 593
 * termination, and destroys their structure.
 *****************************************************************************/
594
vlc_error_t vlc_destroy( void )
595
{
596
    return vlc_destroy_r( GLOBAL_VLC );
597 598
}

599
vlc_error_t vlc_destroy_r( vlc_t *p_vlc )
600 601
{
    /* Check that the handle is valid */
602
    if( !p_vlc || (p_vlc->i_status != VLC_STATUS_STOPPED
603
                    && p_vlc->i_status != VLC_STATUS_CREATED) )
604
    {
605
        fprintf( stderr, "error: invalid status "
606
                         "(!STOPPED&&!CREATED)\n" );
607 608 609
        return VLC_ESTATUS;
    }

610
    if( p_vlc->i_status == VLC_STATUS_STOPPED )
611
    {
612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630
        /*
         * Go back into channel 0 which is the network
         */
        if( config_GetInt( p_vlc, "network-channel" ) && p_vlc->p_channel )
        {
            network_ChannelJoin( p_vlc, COMMON_CHANNEL );
        }
    
        /*
         * Free allocated memory
         */
        if( p_vlc->p_memcpy_module != NULL )
        {
            module_Unneed( p_vlc, p_vlc->p_memcpy_module );
        }
    
        free( p_vlc->psz_homedir );
    
        /*
631
         * XXX: Free module bank !
632
         */
633
        //module_EndBank( p_vlc );
634 635 636 637 638 639 640 641
    
        /*
         * System specific cleaning code
         */
        system_End( p_vlc );
    
        /* Update the handle status */
        p_vlc->i_status = VLC_STATUS_CREATED;
642 643 644 645 646 647 648 649
    }

    /* Update the handle status, just in case */
    p_vlc->i_status = VLC_STATUS_NONE;

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

650 651
    vlc_object_detach( p_vlc );

652 653
    vlc_object_destroy( p_vlc );

654 655 656
    /* Stop thread system: last one out please shut the door! */
    vlc_threads_end( &libvlc );

657 658 659
    return VLC_SUCCESS;
}

660 661 662 663 664 665 666 667
/*****************************************************************************
 * vlc_die: ask vlc to die.
 *****************************************************************************
 * This function sets p_vlc->b_die to VLC_TRUE, but does not do any other
 * task. It is your duty to call vlc_end and vlc_destroy afterwards.
 *****************************************************************************/
vlc_error_t vlc_die( void )
{
668
    return vlc_die_r( GLOBAL_VLC );
669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688
}

vlc_error_t vlc_die_r( vlc_t *p_vlc )
{
    if( !p_vlc )
    {
        fprintf( stderr, "error: invalid status (!EXIST)\n" );
        return VLC_ESTATUS;
    }

    p_vlc->b_die = VLC_TRUE;

    return VLC_SUCCESS;
}

/*****************************************************************************
 * vlc_status: return the current vlc status.
 *****************************************************************************
 * This function returns the current value of p_vlc->i_status.
 *****************************************************************************/
689 690
vlc_status_t vlc_status( void )
{
691
    return vlc_status_r( GLOBAL_VLC );
692 693 694
}

vlc_status_t vlc_status_r( vlc_t *p_vlc )
695 696 697 698 699 700 701 702 703
{
    if( !p_vlc )
    {
        return VLC_STATUS_NONE;
    }

    return p_vlc->i_status;
}

704 705 706 707 708 709
/*****************************************************************************
 * vlc_add_target: adds a target for playing.
 *****************************************************************************
 * This function adds psz_target to the current playlist. If a playlist does
 * not exist, it will create one.
 *****************************************************************************/
710 711
vlc_error_t vlc_add_target( const char *psz_target, int i_mode, int i_pos )
{
712
    return vlc_add_target_r( GLOBAL_VLC,
713 714 715 716 717
                             psz_target, i_mode, i_pos );
}

vlc_error_t vlc_add_target_r( vlc_t *p_vlc, const char *psz_target,
                                            int i_mode, int i_pos )
718
{
719
    vlc_error_t err;
Sam Hocevar's avatar
Sam Hocevar committed
720 721
    playlist_t *p_playlist;

722 723 724
    if( !p_vlc || ( p_vlc->i_status != VLC_STATUS_STOPPED
                     && p_vlc->i_status != VLC_STATUS_RUNNING ) )
    {
725
        fprintf( stderr, "error: invalid status (!STOPPED&&!RUNNING)\n" );
726 727 728
        return VLC_ESTATUS;
    }

Sam Hocevar's avatar
Sam Hocevar committed
729 730 731 732 733 734 735 736 737 738 739 740 741 742 743
    p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );

    if( p_playlist == NULL )
    {
        msg_Dbg( p_vlc, "no playlist present, creating one" );
        p_playlist = playlist_Create( p_vlc );

        if( p_playlist == NULL )
        {
            return VLC_EGENERIC;
        }

        vlc_object_yield( p_playlist );
    }

744
    err = playlist_Add( p_playlist, psz_target, i_mode, i_pos );
Sam Hocevar's avatar
Sam Hocevar committed
745 746

    vlc_object_release( p_playlist );
747

748
    return err;
749 750
}

751 752 753 754 755 756 757
/*****************************************************************************
 * vlc_set: set a vlc variable
 *****************************************************************************
 *
 *****************************************************************************/
vlc_error_t vlc_set( const char *psz_var, const char *psz_val )
{
758
    return vlc_set_r( GLOBAL_VLC, psz_var, psz_val );
759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852
}

vlc_error_t vlc_set_r( vlc_t *p_vlc, const char *psz_var, const char *psz_val )
{
    module_config_t *p_config;

    if( !p_vlc )
    {
        fprintf( stderr, "error: invalid status\n" );
        return VLC_ESTATUS;
    }

    p_config = config_FindConfig( VLC_OBJECT(p_vlc), psz_var );

    if( !p_config )
    {
        msg_Err( p_vlc, "option %s does not exist", psz_var );
        return VLC_EGENERIC;
    }

    vlc_mutex_lock( p_config->p_lock );

    switch( p_config->i_type )
    {
    case CONFIG_ITEM_BOOL:
        if( psz_val && *psz_val )
        {
            if( !strcmp( psz_val, "off" ) || !strcmp( psz_val, "no" ) )
            {
                p_config->i_value = VLC_FALSE;
            }
            else
            {
                p_config->i_value = atoi( psz_val );
            }
        }
        else
        {
            p_config->i_value = VLC_TRUE;
        }
        break;
    case CONFIG_ITEM_INTEGER:
        if( psz_val && *psz_val )
        {
            p_config->i_value = atoi( psz_val );
        }
        else
        {
            p_config->i_value = 0;
        }
        break;
    case CONFIG_ITEM_FLOAT:
        if( psz_val && *psz_val )
        {
            p_config->f_value = (float)atof( psz_val );
        }
        else
        {
            p_config->f_value = 0.0;
        }
        break;
    case CONFIG_ITEM_STRING:
    case CONFIG_ITEM_FILE:
    case CONFIG_ITEM_MODULE:
    default:
        if( p_config->psz_value )
        {
            free( p_config->psz_value );
        }

        if( psz_val )
        {
            p_config->psz_value = strdup( psz_val );
        }
        else
        {
            p_config->psz_value = NULL;
        }
        break;
    }

    if( p_config->pf_callback )
    {
        vlc_mutex_unlock( p_config->p_lock );
        p_config->pf_callback( VLC_OBJECT(p_vlc) );
    }
    else
    {
        vlc_mutex_unlock( p_config->p_lock );
    }

    return VLC_SUCCESS;
}

853 854 855 856 857 858 859
/* XXX: temporary hacks */

/*****************************************************************************
 * vlc_play: play
 *****************************************************************************/
vlc_error_t vlc_play( )
{
860
    return vlc_play_r( GLOBAL_VLC );
861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904
}

vlc_error_t vlc_play_r( vlc_t *p_vlc )
{
    playlist_t * p_playlist;

    /* Check that the handle is valid */
    if( !p_vlc || p_vlc->i_status != VLC_STATUS_STOPPED )
    {
        fprintf( stderr, "error: invalid status (!STOPPED)\n" );
        return VLC_ESTATUS;
    }

    /* Update the handle status */
    p_vlc->i_status = VLC_STATUS_RUNNING;

    p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST, FIND_CHILD );

    if( !p_playlist )
    {
        return VLC_EOBJECT;
    }

    vlc_mutex_lock( &p_playlist->object_lock );
    if( p_playlist->i_size )
    {
        vlc_mutex_unlock( &p_playlist->object_lock );
        playlist_Play( p_playlist );
    }
    else
    {
        vlc_mutex_unlock( &p_playlist->object_lock );
    }

    vlc_object_release( p_playlist );

    return VLC_SUCCESS;
}

/*****************************************************************************
 * vlc_stop: stop
 *****************************************************************************/
vlc_error_t vlc_stop( )
{
905
    return vlc_stop_r( GLOBAL_VLC );
906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979
}

vlc_error_t vlc_stop_r( vlc_t *p_vlc )
{
    intf_thread_t *   p_intf;
    playlist_t    *   p_playlist;
    vout_thread_t *   p_vout;
    aout_instance_t * p_aout;

    /* Check that the handle is valid */
    if( !p_vlc || ( p_vlc->i_status != VLC_STATUS_STOPPED
                     && p_vlc->i_status != VLC_STATUS_RUNNING ) )
    {
        fprintf( stderr, "error: invalid status (!STOPPED&&!RUNNING)\n" );
        return VLC_ESTATUS;
    }

    /*
     * Ask the interfaces to stop and destroy them
     */
    msg_Dbg( p_vlc, "removing all interfaces" );
    while( (p_intf = vlc_object_find( p_vlc, VLC_OBJECT_INTF, FIND_CHILD )) )
    {
        intf_StopThread( p_intf );
        vlc_object_detach( p_intf );
        vlc_object_release( p_intf );
        intf_Destroy( p_intf );
    }

    /*
     * Free playlists
     */
    msg_Dbg( p_vlc, "removing all playlists" );
    while( (p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST,
                                          FIND_CHILD )) )
    {
        vlc_object_detach( p_playlist );
        vlc_object_release( p_playlist );
        playlist_Destroy( p_playlist );
    }

    /*
     * Free video outputs
     */
    msg_Dbg( p_vlc, "removing all video outputs" );
    while( (p_vout = vlc_object_find( p_vlc, VLC_OBJECT_VOUT, FIND_CHILD )) )
    {
        vlc_object_detach( p_vout );
        vlc_object_release( p_vout );
        vout_DestroyThread( p_vout );
    }

    /*
     * Free audio outputs
     */
    msg_Dbg( p_vlc, "removing all audio outputs" );
    while( (p_aout = vlc_object_find( p_vlc, VLC_OBJECT_AOUT, FIND_CHILD )) )
    {
        vlc_object_detach( (vlc_object_t *)p_aout );
        vlc_object_release( (vlc_object_t *)p_aout );
        aout_Delete( p_aout );
    }

    /* Update the handle status */
    p_vlc->i_status = VLC_STATUS_STOPPED;

    return VLC_SUCCESS;
}

/*****************************************************************************
 * vlc_pause: toggle pause
 *****************************************************************************/
vlc_error_t vlc_pause( )
{
980
    return vlc_pause_r( GLOBAL_VLC );
981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004
}

vlc_error_t vlc_pause_r( vlc_t *p_vlc )
{
    input_thread_t *p_input;

    p_input = vlc_object_find( p_vlc, VLC_OBJECT_INPUT, FIND_CHILD );

    if( !p_input )
    {
        return VLC_EOBJECT;
    }

    input_SetStatus( p_input, INPUT_STATUS_PAUSE );
    vlc_object_release( p_input );

    return VLC_SUCCESS;
}

/*****************************************************************************
 * vlc_fullscreen: toggle fullscreen mode
 *****************************************************************************/
vlc_error_t vlc_fullscreen( )
{
1005
    return vlc_fullscreen_r( GLOBAL_VLC );
1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024
}

vlc_error_t vlc_fullscreen_r( vlc_t *p_vlc )
{
    vout_thread_t *p_vout;

    p_vout = vlc_object_find( p_vlc, VLC_OBJECT_VOUT, FIND_CHILD );

    if( !p_vout )
    {
        return VLC_EOBJECT;
    }

    p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
    vlc_object_release( p_vout );

    return VLC_SUCCESS;
}

1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038
/* following functions are local */

/*****************************************************************************
 * GetFilenames: parse command line options which are not flags
 *****************************************************************************
 * Parse command line for input files.
 *****************************************************************************/
static int GetFilenames( vlc_t *p_vlc, int i_argc, char *ppsz_argv[] )
{
    int i_opt;

    /* We assume that the remaining parameters are filenames */
    for( i_opt = optind; i_opt < i_argc; i_opt++ )
    {
1039
        vlc_add_target_r( p_vlc, ppsz_argv[ i_opt ],
1040
                          PLAYLIST_APPEND | PLAYLIST_GO, PLAYLIST_END );
1041 1042 1043 1044 1045 1046 1047 1048 1049 1050
    }

    return VLC_SUCCESS;
}

/*****************************************************************************
 * Usage: print program usage
 *****************************************************************************
 * Print a short inline help. Message interface is initialized at this stage.
 *****************************************************************************/
1051
static void Usage( vlc_t *p_this, const char *psz_module_name )
1052
{
Sam Hocevar's avatar
Sam Hocevar committed
1053 1054 1055 1056 1057 1058 1059 1060
#define FORMAT_STRING "      --%s%s%s%s%s%s%s %s%s\n"
    /* option name -------------'     | | | |  | |
     * <bra --------------------------' | | |  | |
     * option type or "" ---------------' | |  | |
     * ket> ------------------------------' |  | |
     * padding spaces ----------------------'  | |
     * comment --------------------------------' |
     * comment suffix ---------------------------'
1061 1062 1063 1064 1065
     *
     * The purpose of having bra and ket is that we might i18n them as well.
     */
#define LINE_START 8
#define PADDING_SPACES 25
1066 1067
    vlc_list_t *p_list;
    module_t **pp_parser;
1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080
    module_config_t *p_item;
    char psz_spaces[PADDING_SPACES+LINE_START+1];
    char psz_format[sizeof(FORMAT_STRING)];

    memset( psz_spaces, ' ', PADDING_SPACES+LINE_START );
    psz_spaces[PADDING_SPACES+LINE_START] = '\0';

    strcpy( psz_format, FORMAT_STRING );

#ifdef WIN32
    ShowConsole();
#endif

1081 1082 1083
    /* List all modules */
    p_list = vlc_list_find( p_this, VLC_OBJECT_MODULE, FIND_ANYWHERE );

1084
    /* Enumerate the config for each module */
1085 1086 1087
    for( pp_parser = (module_t **)p_list->pp_objects ;
         *pp_parser ;
         pp_parser++ )
1088
    {
1089
        vlc_bool_t b_help_module;
1090 1091

        if( psz_module_name && strcmp( psz_module_name,
1092
                                       (*pp_parser)->psz_object_name ) )
Sam Hocevar's avatar
Sam Hocevar committed
1093
        {
1094
            continue;
Sam Hocevar's avatar
Sam Hocevar committed
1095
        }
1096 1097

        /* Ignore modules without config options */
1098
        if( !(*pp_parser)->i_config_items )
Sam Hocevar's avatar
Sam Hocevar committed
1099 1100 1101
        {
            continue;
        }
1102

1103
        b_help_module = !strcmp( "help", (*pp_parser)->psz_object_name );
1104

1105
        /* Print module options */
1106
        for( p_item = (*pp_parser)->p_config;
Gildas Bazin's avatar
 
Gildas Bazin committed
1107
             p_item->i_type != CONFIG_HINT_END;
1108 1109 1110
             p_item++ )
        {
            char *psz_bra = NULL, *psz_type = NULL, *psz_ket = NULL;
Sam Hocevar's avatar
Sam Hocevar committed
1111
            char *psz_suf = "", *psz_prefix = NULL;
1112 1113 1114 1115
            int i;

            switch( p_item->i_type )
            {
Gildas Bazin's avatar
 
Gildas Bazin committed
1116 1117
            case CONFIG_HINT_CATEGORY:
            case CONFIG_HINT_USAGE:
1118 1119 1120
                fprintf( stderr, " %s\n", p_item->psz_text );
                break;

Gildas Bazin's avatar
 
Gildas Bazin committed
1121 1122 1123
            case CONFIG_ITEM_STRING:
            case CONFIG_ITEM_FILE:
            case CONFIG_ITEM_MODULE: /* We could also have "=<" here */
1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142
                if( !p_item->ppsz_list )
                {
                    psz_bra = " <"; psz_type = _("string"); psz_ket = ">";
                    break;
                }
                else
                {
                    psz_bra = " [";
                    psz_type = malloc( 1000 );
                    memset( psz_type, 0, 1000 );
                    for( i=0; p_item->ppsz_list[i]; i++ )
                    {
                        strcat( psz_type, p_item->ppsz_list[i] );
                        strcat( psz_type, "|" );
                    }
                    psz_type[ strlen( psz_type ) - 1 ] = '\0';
                    psz_ket = "]";
                    break;
                }
Gildas Bazin's avatar
 
Gildas Bazin committed
1143
            case CONFIG_ITEM_INTEGER:
1144 1145
                psz_bra = " <"; psz_type = _("integer"); psz_ket = ">";
                break;
Gildas Bazin's avatar
 
Gildas Bazin committed
1146
            case CONFIG_ITEM_FLOAT:
1147 1148
                psz_bra = " <"; psz_type = _("float"); psz_ket = ">";
                break;
Gildas Bazin's avatar
 
Gildas Bazin committed
1149
            case CONFIG_ITEM_BOOL:
1150 1151 1152 1153 1154 1155 1156 1157 1158
                psz_bra = ""; psz_type = ""; psz_ket = "";
                if( !b_help_module )
                {
                    psz_suf = p_item->i_value ? _(" (default enabled)") :
                                                _(" (default disabled)");
                }
                break;
            }

1159
            /* Add short option if any */
1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177
            if( p_item->i_short )
            {
                psz_format[2] = '-';
                psz_format[3] = p_item->i_short;
                psz_format[4] = ',';
            }
            else
            {
                psz_format[2] = ' ';
                psz_format[3] = ' ';
                psz_format[4] = ' ';
            }

            if( psz_type )
            {
                i = PADDING_SPACES - strlen( p_item->psz_name )
                     - strlen( psz_bra ) - strlen( psz_type )
                     - strlen( psz_ket ) - 1;
Gildas Bazin's avatar
 
Gildas Bazin committed
1178
                if( p_item->i_type == CONFIG_ITEM_BOOL
1179 1180
                     && !b_help_module )
                {
1181 1182 1183 1184
                    /* If option is of type --foo-bar, we print its counterpart
                     * as --no-foo-bar, but if it is of type --foobar (without
                     * dashes in the name) we print it as --nofoobar. Both
                     * values are of course valid, only the display changes. */
Sam Hocevar's avatar
Sam Hocevar committed
1185
                    vlc_bool_t b_dash = VLC_FALSE;
Sam Hocevar's avatar
Sam Hocevar committed
1186 1187 1188 1189 1190
                    psz_prefix = p_item->psz_name;
                    while( *psz_prefix )
                    {
                        if( *psz_prefix++ == '-' )
                        {
Sam Hocevar's avatar
Sam Hocevar committed
1191
                            b_dash = VLC_TRUE;
Sam Hocevar's avatar
Sam Hocevar committed
1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205
                            break;
                        }
                    }

                    if( b_dash )
                    {
                        psz_prefix = ", --no-";
                        i -= strlen( p_item->psz_name ) + strlen( ", --no-" );
                    }
                    else
                    {
                        psz_prefix = ", --no";
                        i -= strlen( p_item->psz_name ) + strlen( ", --no" );
                    }
1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217
                }

                if( i < 0 )
                {
                    i = 0;
                    psz_spaces[i] = '\n';
                }
                else
                {
                    psz_spaces[i] = '\0';
                }

Gildas Bazin's avatar
 
Gildas Bazin committed
1218
                if( p_item->i_type == CONFIG_ITEM_BOOL &&
Sam Hocevar's avatar
Sam Hocevar committed
1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230
                    !b_help_module )
                {
                    fprintf( stderr, psz_format, p_item->psz_name, psz_prefix,
                             p_item->psz_name, psz_bra, psz_type, psz_ket,
                             psz_spaces, p_item->psz_text, psz_suf );
                }
                else
                {
                    fprintf( stderr, psz_format, p_item->psz_name, "", "",
                             psz_bra, psz_type, psz_ket, psz_spaces,
                             p_item->psz_text, psz_suf );
                }
1231
                psz_spaces[i] = ' ';
1232 1233 1234 1235
                if ( p_item->ppsz_list )
                {
                    free( psz_type );
                }
1236 1237 1238 1239
            }
        }
    }

1240 1241 1242
    /* Release the module list */
    vlc_list_release( p_list );

1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254
#ifdef WIN32        /* Pause the console because it's destroyed when we exit */
        fprintf( stderr, _("\nPress the RETURN key to continue...\n") );
        getchar();
#endif
}

/*****************************************************************************
 * ListModules: list the available modules with their description
 *****************************************************************************
 * Print a list of all available modules (builtins and plugins) and a short
 * description for each one.
 *****************************************************************************/
1255
static void ListModules( vlc_t *p_this )
1256
{
1257 1258
    vlc_list_t *p_list;
    module_t **pp_parser;
1259 1260 1261 1262 1263 1264 1265 1266 1267
    char psz_spaces[22];

    memset( psz_spaces, ' ', 22 );

#ifdef WIN32
    ShowConsole();
#endif

    /* Usage */
1268
    fprintf( stderr, _("Usage: %s [options] [items]...\n\n"),
1269 1270 1271 1272
                     p_this->p_vlc->psz_object_name );

    fprintf( stderr, _("[module]              [description]\n") );

1273 1274 1275
    /* List all modules */
    p_list = vlc_list_find( p_this, VLC_OBJECT_MODULE, FIND_ANYWHERE );

1276
    /* Enumerate each module */
1277 1278 1279
    for( pp_parser = (module_t **)p_list->pp_objects ;
         *pp_parser ;
         pp_parser++ )
1280 1281 1282 1283 1284
    {
        int i;

        /* Nasty hack, but right now I'm too tired to think about a nice
         * solution */
1285
        i = 22 - strlen( (*pp_parser)->psz_object_name ) - 1;
1286 1287 1288
        if( i < 0 ) i = 0;
        psz_spaces[i] = 0;

1289 1290
        fprintf( stderr, "  %s%s %s\n", (*pp_parser)->psz_object_name,
                         psz_spaces, (*pp_parser)->psz_longname );
1291 1292 1293 1294

        psz_spaces[i] = ' ';
    }

1295 1296
    vlc_list_release( p_list );

1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342
#ifdef WIN32        /* Pause the console because it's destroyed when we exit */
        fprintf( stderr, _("\nPress the RETURN key to continue...\n") );
        getchar();
#endif
}

/*****************************************************************************
 * Version: print complete program version
 *****************************************************************************
 * Print complete program version and build number.
 *****************************************************************************/
static void Version( void )
{
#ifdef WIN32
    ShowConsole();
#endif

    fprintf( stderr, VERSION_MESSAGE "\n" );
    fprintf( stderr,
      _("This program comes with NO WARRANTY, to the extent permitted by "
        "law.\nYou may redistribute it under the terms of the GNU General "
        "Public License;\nsee the file named COPYING for details.\n"
        "Written by the VideoLAN team at Ecole Centrale, Paris.\n") );

#ifdef WIN32        /* Pause the console because it's destroyed when we exit */
    fprintf( stderr, _("\nPress the RETURN key to continue...\n") );
    getchar();
#endif
}

/*****************************************************************************
 * ShowConsole: On Win32, create an output console for debug messages
 *****************************************************************************
 * This function is useful only on Win32.
 *****************************************************************************/
#ifdef WIN32 /*  */
static void ShowConsole( void )
{
    AllocConsole();
    freopen( "CONOUT$", "w", stdout );
    freopen( "CONOUT$", "w", stderr );
    freopen( "CONIN$", "r", stdin );
    return;
}
#endif