libvlc.c 39.3 KB
Newer Older
1
2
3
4
5
6
/*****************************************************************************
 * libvlc.c: main libvlc source
 * Includes the main() function for vlc. Parses command line, starts playlist
 * and spawns threads.
 *****************************************************************************
 * Copyright (C) 1998-2001 VideoLAN
7
 * $Id: libvlc.c,v 1.9 2002/06/07 23:53:44 sam Exp $
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
 *
 * 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
#define __BUILTIN__

/*****************************************************************************
 * Preamble
 *****************************************************************************/
#include <errno.h>                                                 /* ENOMEM */
#include <stdio.h>                                              /* sprintf() */
#include <string.h>                                            /* strerror() */
#include <stdlib.h>                                                /* free() */
#include <signal.h>                               /* SIGHUP, SIGINT, SIGKILL */

#include <vlc/vlc.h>

#ifdef HAVE_GETOPT_LONG
#   ifdef HAVE_GETOPT_H
#       include <getopt.h>                                       /* getopt() */
#   endif
#else
#   include "GNUgetopt/getopt.h"
#endif

#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

#ifdef HAVE_LOCALE_H
#   include <locale.h>
#endif

#include "vlc_cpu.h"                                        /* CPU detection */
68
#include "os_specific.h"
69
70
71
72
73
74

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

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

75
#include "vlc_playlist.h"
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
#include "interface.h"

#include "audio_output.h"

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

#include "libvlc.h"

/*****************************************************************************
 * The evil global variables. We handle them with care, don't worry.
 *****************************************************************************/

/* This global lock is used for critical sections - don't abuse it! */
static vlc_mutex_t global_lock;
void *             p_global_data;

/* A list of all the currently allocated vlc objects */
static volatile int i_vlc = 0;
static volatile vlc_t **pp_vlc = NULL;

/*****************************************************************************
 * Local prototypes
 *****************************************************************************/
static int  GetFilenames  ( vlc_t *, int, char *[] );
101
102
static void Usage         ( vlc_t *, const char *psz_module_name );
static void ListModules   ( vlc_t * );
103
104
105
static void Version       ( void );
static void Build         ( void );

106
#ifndef WIN32
107
108
109
static void InitSignalHandler   ( void );
static void SimpleSignalHandler ( int i_signal );
static void FatalSignalHandler  ( int i_signal );
110
#endif
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137

#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
 * failure. Also, the thread system and the signal handlers are initialized.
 *****************************************************************************/
vlc_t * vlc_create( void )
{
    vlc_t * p_vlc = NULL;

    /* Allocate the main structure */
    p_vlc = vlc_object_create( p_vlc, VLC_OBJECT_ROOT );
    if( p_vlc == NULL )
    {
        return NULL;
    }

    p_vlc->psz_object_name = "root";

    p_vlc->p_global_lock = &global_lock;
    p_vlc->pp_global_data = &p_global_data;

Sam Hocevar's avatar
Sam Hocevar committed
138
139
    p_vlc->b_verbose = VLC_FALSE;
    p_vlc->b_quiet = VLC_FALSE; /* FIXME: delay message queue output! */
140
141

    /* Initialize the threads system */
142
    vlc_threads_init( p_vlc );
143
144

    /* Initialize mutexes */
145
146
    vlc_mutex_init( p_vlc, &p_vlc->config_lock );
    vlc_mutex_init( p_vlc, &p_vlc->structure_lock );
147
148

    /* Set signal handling policy for all threads */
149
#ifndef WIN32
150
    InitSignalHandler( );
151
#endif
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192

    /* Store our newly allocated structure in the global list */
    vlc_mutex_lock( p_vlc->p_global_lock );
    pp_vlc = realloc( pp_vlc, (i_vlc+1) * sizeof( vlc_t * ) );
    pp_vlc[ i_vlc ] = p_vlc;
    i_vlc++;
    vlc_mutex_unlock( p_vlc->p_global_lock );

    /* 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
 *****************************************************************************/
vlc_error_t vlc_init( vlc_t *p_vlc, int i_argc, char *ppsz_argv[] )
{
    char p_capabilities[200];
    char *psz_module;
    char *p_tmp;
    module_t        *p_help_module;
    playlist_t      *p_playlist;

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

    fprintf( stderr, COPYRIGHT_MESSAGE "\n" );

    /* Guess what CPU we have */
193
    p_vlc->i_cpu_capabilities = CPUCapabilities( p_vlc );
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219

    /*
     * Support for gettext
     */
#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

    /*
     * System specific initialization code
     */
220
    system_Init( p_vlc, &i_argc, ppsz_argv );
221
222
223
224

    /*
     * Initialize message queue
     */
225
    msg_Create( p_vlc );
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241

    /* 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";
    }

242
243
244
245
    /* Announce who we are */
    msg_Dbg( p_vlc, COPYRIGHT_MESSAGE );
    msg_Dbg( p_vlc, "libvlc was configured with %s", CONFIGURE_LINE );

246
247
248
249
250
    /*
     * Initialize the module bank and 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)
     */
251
252
    module_InitBank( p_vlc );
    module_LoadMain( p_vlc );
253
254
255
256
257

    /* Hack: insert the help module here */
    p_help_module = vlc_object_create( p_vlc, VLC_OBJECT_MODULE );
    if( p_help_module == NULL )
    {
258
259
        module_EndBank( p_vlc );
        msg_Destroy( p_vlc );
260
261
262
263
264
265
266
267
        return VLC_EGENERIC;
    }
    p_help_module->psz_object_name = "help";
    config_Duplicate( p_help_module, p_help_config );
    p_help_module->next = p_vlc->module_bank.first;
    p_vlc->module_bank.first = p_help_module;
    /* End hack */

Sam Hocevar's avatar
Sam Hocevar committed
268
    if( config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_TRUE ) )
269
270
271
272
    {
        p_vlc->module_bank.first = p_help_module->next;
        config_Free( p_help_module );
        vlc_object_destroy( p_help_module );
273
274
        module_EndBank( p_vlc );
        msg_Destroy( p_vlc );
275
276
277
278
279
280
281
282
283
        return VLC_EGENERIC;
    }

    /* Check for short help option */
    if( config_GetInt( p_vlc, "help" ) )
    {
        fprintf( stderr, _("Usage: %s [options] [parameters] [file]...\n"),
                         p_vlc->psz_object_name );

284
285
        Usage( p_vlc, "help" );
        Usage( p_vlc, "main" );
286
287
288
        p_vlc->module_bank.first = p_help_module->next;
        config_Free( p_help_module );
        vlc_object_destroy( p_help_module );
289
290
        module_EndBank( p_vlc );
        msg_Destroy( p_vlc );
291
292
293
294
295
296
297
298
299
300
        return VLC_EEXIT;
    }

    /* Check for version option */
    if( config_GetInt( p_vlc, "version" ) )
    {
        Version();
        p_vlc->module_bank.first = p_help_module->next;
        config_Free( p_help_module );
        vlc_object_destroy( p_help_module );
301
302
        module_EndBank( p_vlc );
        msg_Destroy( p_vlc );
303
304
305
306
307
308
309
310
311
312
        return VLC_EEXIT;
    }

    /* Check for build option */
    if( config_GetInt( p_vlc, "build" ) )
    {
        Build();
        p_vlc->module_bank.first = p_help_module->next;
        config_Free( p_help_module );
        vlc_object_destroy( p_help_module );
313
314
        module_EndBank( p_vlc );
        msg_Destroy( p_vlc );
315
316
317
318
319
320
321
322
323
324
325
326
327
        return VLC_EEXIT;
    }

    /* Hack: remove the help module here */
    p_vlc->module_bank.first = p_help_module->next;
    /* End hack */

    /*
     * 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.
     */
328
329
    module_LoadBuiltins( p_vlc );
    module_LoadPlugins( p_vlc );
330
331
332
333
334
335
336
337
338
339
340
    msg_Dbg( p_vlc, "module bank initialized, found %i modules",
                    p_vlc->module_bank.i_count );

    /* Hack: insert the help module here */
    p_help_module->next = p_vlc->module_bank.first;
    p_vlc->module_bank.first = p_help_module;
    /* End hack */

    /* Check for help on modules */
    if( (p_tmp = config_GetPsz( p_vlc, "module" )) )
    {
341
        Usage( p_vlc, p_tmp );
342
343
344
345
        free( p_tmp );
        p_vlc->module_bank.first = p_help_module->next;
        config_Free( p_help_module );
        vlc_object_destroy( p_help_module );
346
347
        module_EndBank( p_vlc );
        msg_Destroy( p_vlc );
348
349
350
351
352
353
        return VLC_EGENERIC;
    }

    /* Check for long help option */
    if( config_GetInt( p_vlc, "longhelp" ) )
    {
354
        Usage( p_vlc, NULL );
355
356
357
        p_vlc->module_bank.first = p_help_module->next;
        config_Free( p_help_module );
        vlc_object_destroy( p_help_module );
358
359
        module_EndBank( p_vlc );
        msg_Destroy( p_vlc );
360
361
362
363
364
365
        return VLC_EEXIT;
    }

    /* Check for module list option */
    if( config_GetInt( p_vlc, "list" ) )
    {
366
        ListModules( p_vlc );
367
368
369
        p_vlc->module_bank.first = p_help_module->next;
        config_Free( p_help_module );
        vlc_object_destroy( p_help_module );
370
371
        module_EndBank( p_vlc );
        msg_Destroy( p_vlc );
372
373
374
375
376
377
378
379
380
381
382
383
384
        return VLC_EEXIT;
    }

    /* Hack: remove the help module here */
    p_vlc->module_bank.first = p_help_module->next;
    config_Free( p_help_module );
    vlc_object_destroy( p_help_module );
    /* End hack */

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

    /*
     * Override configuration with command line settings
     */
Sam Hocevar's avatar
Sam Hocevar committed
390
    if( config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_FALSE ) )
391
392
393
394
395
396
397
398
    {
#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
399
400
        module_EndBank( p_vlc );
        msg_Destroy( p_vlc );
401
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
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467

    /* p_vlc inititalization. FIXME ? */
    p_vlc->i_desync = config_GetInt( p_vlc, "desync" ) * (mtime_t)1000;
    p_vlc->b_verbose = config_GetInt( p_vlc, "verbose" );
    p_vlc->b_quiet = config_GetInt( p_vlc, "quiet" );
    p_vlc->b_color = config_GetInt( p_vlc, "color" );
    if( !config_GetInt( p_vlc, "mmx" ) )
        p_vlc->i_cpu_capabilities &= ~CPU_CAPABILITY_MMX;
    if( !config_GetInt( p_vlc, "3dn" ) )
        p_vlc->i_cpu_capabilities &= ~CPU_CAPABILITY_3DNOW;
    if( !config_GetInt( p_vlc, "mmxext" ) )
        p_vlc->i_cpu_capabilities &= ~CPU_CAPABILITY_MMXEXT;
    if( !config_GetInt( p_vlc, "sse" ) )
        p_vlc->i_cpu_capabilities &= ~CPU_CAPABILITY_SSE;
    if( !config_GetInt( p_vlc, "altivec" ) )
        p_vlc->i_cpu_capabilities &= ~CPU_CAPABILITY_ALTIVEC;

#define PRINT_CAPABILITY( capability, string )                              \
    if( p_vlc->i_cpu_capabilities & capability )                            \
    {                                                                       \
        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
     */
    psz_module = config_GetPsz( p_vlc, "memcpy" );
    p_vlc->p_memcpy_module =
            module_Need( p_vlc, MODULE_CAPABILITY_MEMCPY, psz_module, NULL );
    if( psz_module ) free( psz_module );
    if( p_vlc->p_memcpy_module == NULL )
    {
        msg_Err( p_vlc, "no suitable memcpy module, using libc default" );
        p_vlc->pf_memcpy = memcpy;
    }
    else
    {
        p_vlc->pf_memcpy = p_vlc->p_memcpy_module->p_functions
                                  ->memcpy.functions.memcpy.pf_memcpy;
    }

    /*
     * Initialize shared resources and libraries
     */
    if( config_GetInt( p_vlc, "network-channel" )
468
         && network_ChannelCreate( p_vlc ) )
469
470
471
472
    {
        /* On error during Channels initialization, switch off channels */
        msg_Err( p_vlc,
                 "channels initialization failed, deactivating channels" );
Sam Hocevar's avatar
Sam Hocevar committed
473
        config_PutInt( p_vlc, "network-channel", VLC_FALSE );
474
475
476
477
478
479
480
481
482
483
484
    }

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

/* XXX XXX XXX XXX XXX XXX XXX XXX */
/* XXX XXX XXX XXX XXX XXX XXX XXX */
/* XXX XXX XXX XXX XXX XXX XXX XXX */
    /*
     * Initialize playlist and get commandline files
     */
485
    p_playlist = playlist_Create( p_vlc );
486
487
488
    if( !p_playlist )
    {
        msg_Err( p_vlc, "playlist initialization failed" );
489
490
        module_EndBank( p_vlc );
        msg_Destroy( p_vlc );
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
        return VLC_EGENERIC;
    }

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

    return VLC_SUCCESS;
}

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

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

    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.
 *****************************************************************************/
vlc_error_t vlc_add_intf( vlc_t *p_vlc, char *psz_module, vlc_bool_t b_block )
{
    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 )
    {
        fprintf( stderr, "error: invalid status\n" );
        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 */
556
    p_intf = intf_Create( p_vlc );
557
558
559
560
561
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

    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 )
    {
        intf_Destroy( p_intf );
        return err;
    }

    return VLC_SUCCESS;
}

/*****************************************************************************
 * vlc_stop: stop playing.
 *****************************************************************************
 * This function requests the interface threads to finish, waits for their
 * termination, and destroys their structure.
 *****************************************************************************/
vlc_error_t vlc_stop( vlc_t *p_vlc )
{
    intf_thread_t *p_intf;
    playlist_t    *p_playlist;
    vout_thread_t *p_vout;
    aout_thread_t *p_aout;

    /* Check that the handle is valid */
    if( !p_vlc || p_vlc->i_status != VLC_STATUS_RUNNING )
    {
        fprintf( stderr, "error: invalid status\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 );
612
        vlc_object_detach_all( p_intf );
613
614
615
616
617
618
619
620
621
622
623
        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 )) )
    {
624
        vlc_object_detach_all( p_playlist );
625
626
627
628
629
630
631
632
633
634
        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 )) )
    {
635
        vlc_object_detach_all( p_vout );
636
637
638
        vlc_object_release( p_vout );
        vout_DestroyThread( p_vout );
    }
Sam Hocevar's avatar
Sam Hocevar committed
639

640
641
642
643
644
645
    /*
     * Free audio outputs
     */
    msg_Dbg( p_vlc, "removing all audio outputs" );
    while( (p_aout = vlc_object_find( p_vlc, VLC_OBJECT_AOUT, FIND_CHILD )) )
    {
646
        vlc_object_detach_all( p_aout );
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
        vlc_object_release( p_aout );
        aout_DestroyThread( p_aout );
    }

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

    return VLC_SUCCESS;
}

/*****************************************************************************
 * vlc_end: uninitialize everything.
 *****************************************************************************
 * This function uninitializes every vlc component that was activated in
 * vlc_init: audio and video outputs, playlist, module bank and message queue.
 *****************************************************************************/
vlc_error_t vlc_end( vlc_t *p_vlc )
{
    /* Check that the handle is valid */
    if( !p_vlc || p_vlc->i_status != VLC_STATUS_STOPPED )
    {
        fprintf( stderr, "error: invalid status\n" );
        return VLC_ESTATUS;
    }

    /*
     * Go back into channel 0 which is the network
     */
    if( config_GetInt( p_vlc, "network-channel" ) && p_vlc->p_channel )
    {
677
        network_ChannelJoin( p_vlc, COMMON_CHANNEL );
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
    }

    /*
     * Free allocated memory
     */
    if( p_vlc->p_memcpy_module != NULL )
    {
        module_Unneed( p_vlc->p_memcpy_module );
    }

    free( p_vlc->psz_homedir );

    /*
     * Free module bank
     */
693
    module_EndBank( p_vlc );
694
695
696
697

    /*
     * System specific cleaning code
     */
698
    system_End( p_vlc );
699
700
701
702

    /*
     * Terminate messages interface and program
     */
703
    msg_Destroy( p_vlc );
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787

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

    return VLC_SUCCESS;
}

/*****************************************************************************
 * vlc_destroy: free allocated resources.
 *****************************************************************************
 * This function frees the previously allocated vlc_t structure.
 *****************************************************************************/
vlc_error_t vlc_destroy( vlc_t *p_vlc )
{
    int i_index;

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

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

    /* Remove our structure from the global list */
    vlc_mutex_lock( p_vlc->p_global_lock );
    for( i_index = 0 ; i_index < i_vlc ; i_index++ )
    {
        if( pp_vlc[ i_index ] == p_vlc )
        {
            break;
        }
    }

    if( i_index == i_vlc )
    {
        fprintf( stderr, "error: trying to unregister %p which is not in "
                         "the list\n", p_vlc );
        vlc_mutex_unlock( p_vlc->p_global_lock );
        vlc_object_destroy( p_vlc );
        return VLC_EGENERIC;
    }

    for( i_index++ ; i_index < i_vlc ; i_index++ )
    {
        pp_vlc[ i_index - 1 ] = pp_vlc[ i_index ];
    }

    i_vlc--;
    if( i_vlc )
    {
        pp_vlc = realloc( pp_vlc, i_vlc * sizeof( vlc_t * ) );
    }
    else
    {
        free( pp_vlc );
        pp_vlc = NULL;
    }
    vlc_mutex_unlock( p_vlc->p_global_lock );

    /* Stop thread system FIXME: last one out please shut the door! */
    //vlc_threads_end( );

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

    vlc_object_destroy( p_vlc );

    return VLC_SUCCESS;
}

vlc_status_t vlc_status( vlc_t *p_vlc )
{
    if( !p_vlc )
    {
        return VLC_STATUS_NONE;
    }

    return p_vlc->i_status;
}

788
789
vlc_error_t vlc_add_target( vlc_t *p_vlc, char *psz_target,
                                          int i_mode, int i_pos )
790
{
791
    vlc_error_t err;
Sam Hocevar's avatar
Sam Hocevar committed
792
793
    playlist_t *p_playlist;

794
795
796
797
798
799
800
    if( !p_vlc || ( p_vlc->i_status != VLC_STATUS_STOPPED
                     && p_vlc->i_status != VLC_STATUS_RUNNING ) )
    {
        fprintf( stderr, "error: invalid status\n" );
        return VLC_ESTATUS;
    }

Sam Hocevar's avatar
Sam Hocevar committed
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
    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 );
    }

816
    err = playlist_Add( p_playlist, psz_target, i_mode, i_pos );
Sam Hocevar's avatar
Sam Hocevar committed
817
818

    vlc_object_release( p_playlist );
819

820
    return err;
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
}

/* 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++ )
    {
837
838
        vlc_add_target( p_vlc, ppsz_argv[ i_opt ],
                        PLAYLIST_APPEND, PLAYLIST_END );
839
840
841
842
843
844
845
846
847
848
    }

    return VLC_SUCCESS;
}

/*****************************************************************************
 * Usage: print program usage
 *****************************************************************************
 * Print a short inline help. Message interface is initialized at this stage.
 *****************************************************************************/
849
static void Usage( vlc_t *p_this, const char *psz_module_name )
850
{
Sam Hocevar's avatar
Sam Hocevar committed
851
852
853
854
855
856
857
858
#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 ---------------------------'
859
860
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
     *
     * The purpose of having bra and ket is that we might i18n them as well.
     */
#define LINE_START 8
#define PADDING_SPACES 25
    module_t *p_module;
    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

    /* Enumerate the config for each module */
    for( p_module = p_this->p_vlc->module_bank.first ;
         p_module != NULL ;
         p_module = p_module->next )
    {
        vlc_bool_t b_help_module = !strcmp( "help", p_module->psz_object_name );

        if( psz_module_name && strcmp( psz_module_name,
                                       p_module->psz_object_name ) )
Sam Hocevar's avatar
Sam Hocevar committed
887
        {
888
            continue;
Sam Hocevar's avatar
Sam Hocevar committed
889
        }
890
891

        /* Ignore modules without config options */
Sam Hocevar's avatar
Sam Hocevar committed
892
893
894
895
        if( !p_module->i_config_items )
        {
            continue;
        }
896
897
898
899
900
901
902
903
904
905

        /* Print module name */
        fprintf( stderr, _("%s module options:\n\n"),
                         p_module->psz_object_name );

        for( p_item = p_module->p_config;
             p_item->i_type != MODULE_CONFIG_HINT_END;
             p_item++ )
        {
            char *psz_bra = NULL, *psz_type = NULL, *psz_ket = NULL;
Sam Hocevar's avatar
Sam Hocevar committed
906
            char *psz_suf = "", *psz_prefix = NULL;
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
            int i;

            switch( p_item->i_type )
            {
            case MODULE_CONFIG_HINT_CATEGORY:
                fprintf( stderr, " %s\n", p_item->psz_text );
                break;

            case MODULE_CONFIG_ITEM_STRING:
            case MODULE_CONFIG_ITEM_FILE:
            case MODULE_CONFIG_ITEM_MODULE: /* We could also have "=<" here */
                psz_bra = " <"; psz_type = _("string"); psz_ket = ">";
                break;
            case MODULE_CONFIG_ITEM_INTEGER:
                psz_bra = " <"; psz_type = _("integer"); psz_ket = ">";
                break;
            case MODULE_CONFIG_ITEM_FLOAT:
                psz_bra = " <"; psz_type = _("float"); psz_ket = ">";
                break;
            case MODULE_CONFIG_ITEM_BOOL:
                psz_bra = ""; psz_type = ""; psz_ket = "";
                if( !b_help_module )
                {
                    psz_suf = p_item->i_value ? _(" (default enabled)") :
                                                _(" (default disabled)");
                }
                break;
            }

            /* Add short option */
            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;
                if( p_item->i_type == MODULE_CONFIG_ITEM_BOOL
                     && !b_help_module )
                {
Sam Hocevar's avatar
Sam Hocevar committed
958
                    vlc_bool_t b_dash = VLC_FALSE;
Sam Hocevar's avatar
Sam Hocevar committed
959
960
961
962
963
                    psz_prefix = p_item->psz_name;
                    while( *psz_prefix )
                    {
                        if( *psz_prefix++ == '-' )
                        {
Sam Hocevar's avatar
Sam Hocevar committed
964
                            b_dash = VLC_TRUE;
Sam Hocevar's avatar
Sam Hocevar committed
965
966
967
968
969
970
971
972
973
974
975
976
977
978
                            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" );
                    }
979
980
981
982
983
984
985
986
987
988
989
990
                }

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

Sam Hocevar's avatar
Sam Hocevar committed
991
992
993
994
995
996
997
998
999
1000
                if( p_item->i_type == MODULE_CONFIG_ITEM_BOOL &&
                    !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, "", "",
For faster browsing, not all history is shown. View entire blame