-
Notifications
You must be signed in to change notification settings - Fork 9
/
Copy pathlibvlc.c
648 lines (558 loc) · 20.6 KB
/
libvlc.c
1
2
3
4
5
6
7
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
68
69
70
71
72
73
74
75
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
101
102
103
104
105
106
107
108
109
110
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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
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
193
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
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
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
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
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
556
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
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
/*****************************************************************************
* libvlc.c: libvlc instances creation and deletion, interfaces handling
*****************************************************************************
* Copyright (C) 1998-2008 VLC authors and VideoLAN
* $Id$
*
* Authors: Vincent Seguin <[email protected]>
* Samuel Hocevar <[email protected]>
* Gildas Bazin <[email protected]>
* Derk-Jan Hartman <hartman at videolan dot org>
* Rémi Denis-Courmont <rem # videolan : org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/** \file
* This file contains functions to create and destroy libvlc instances
*/
/*****************************************************************************
* Preamble
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_common.h>
#include "../lib/libvlc_internal.h"
#include <vlc_input.h>
#include "modules/modules.h"
#include "config/configuration.h"
#include "playlist/preparser.h"
#include <stdio.h> /* sprintf() */
#include <string.h>
#include <stdlib.h> /* free() */
#include <errno.h>
#include "config/vlc_getopt.h"
#ifdef HAVE_DBUS
/* used for one-instance mode */
# include <dbus/dbus.h>
#endif
#include <vlc_playlist.h>
#include <vlc_interface.h>
#include <vlc_charset.h>
#include <vlc_fs.h>
#include <vlc_cpu.h>
#include <vlc_url.h>
#include <vlc_modules.h>
#include "libvlc.h"
#include "playlist/playlist_internal.h"
#include "misc/variables.h"
#include <vlc_vlm.h>
#ifdef __APPLE__
# include <libkern/OSAtomic.h>
#endif
#include <assert.h>
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static void GetFilenames ( libvlc_int_t *, unsigned, const char *const [] );
/**
* Allocate a blank libvlc instance, also setting the exit handler.
* Vlc's threading system must have been initialized first
*/
libvlc_int_t * libvlc_InternalCreate( void )
{
libvlc_int_t *p_libvlc;
libvlc_priv_t *priv;
/* Allocate a libvlc instance object */
p_libvlc = vlc_custom_create( (vlc_object_t *)NULL, sizeof (*priv),
"libvlc" );
if( p_libvlc == NULL )
return NULL;
priv = libvlc_priv (p_libvlc);
priv->playlist = NULL;
priv->p_dialog_provider = NULL;
priv->p_vlm = NULL;
vlc_ExitInit( &priv->exit );
return p_libvlc;
}
/**
* 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
*/
int libvlc_InternalInit( libvlc_int_t *p_libvlc, int i_argc,
const char *ppsz_argv[] )
{
libvlc_priv_t *priv = libvlc_priv (p_libvlc);
char * psz_modules = NULL;
char * psz_parser = NULL;
char * psz_control = NULL;
char *psz_val;
/* System specific initialization code */
system_Init();
/* Initialize the module bank and load the configuration of the
* core module. We need to do this at this stage to be able to display
* a short help if required by the user. (short help == core module
* options) */
module_InitBank ();
/* Get command line options that affect module loading. */
if( config_LoadCmdLine( p_libvlc, i_argc, ppsz_argv, NULL ) )
{
module_EndBank (false);
return VLC_EGENERIC;
}
vlc_LogInit (p_libvlc);
vlc_threads_setup (p_libvlc);
/* 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. */
size_t module_count = module_LoadPlugins (p_libvlc);
/*
* Override default configuration with config file settings
*/
if( !var_InheritBool( p_libvlc, "ignore-config" ) )
{
if( var_InheritBool( p_libvlc, "reset-config" ) )
config_SaveConfigFile( p_libvlc ); /* Save default config */
else
config_LoadConfigFile( p_libvlc );
}
/*
* Override configuration with command line settings
*/
int vlc_optind;
if( config_LoadCmdLine( p_libvlc, i_argc, ppsz_argv, &vlc_optind ) )
{
module_EndBank (true);
vlc_LogDeinit (p_libvlc);
return VLC_EGENERIC;
}
/*
* Support for gettext
*/
#if defined( ENABLE_NLS ) \
&& ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
vlc_bindtextdomain (PACKAGE_NAME);
#endif
/*xgettext: Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
msg_Dbg( p_libvlc, "translation test: code is \"%s\"", _("C") );
if (config_PrintHelp (VLC_OBJECT(p_libvlc)))
{
module_EndBank (true);
exit(0);
}
if( module_count <= 1 )
{
msg_Err( p_libvlc, "No plugins found! Check your VLC installation.");
module_EndBank (true);
vlc_LogDeinit (p_libvlc);
return VLC_ENOMOD;
}
#ifdef HAVE_DAEMON
/* Check for daemon mode */
if( var_InheritBool( p_libvlc, "daemon" ) )
{
if( daemon( 1, 0) != 0 )
{
msg_Err( p_libvlc, "Unable to fork vlc to daemon mode" );
module_EndBank (true);
vlc_LogDeinit (p_libvlc);
return VLC_ENOMEM;
}
/* lets check if we need to write the pidfile */
char *pidfile = var_InheritString( p_libvlc, "pidfile" );
if( pidfile != NULL )
{
FILE *stream = vlc_fopen( pidfile, "w" );
if( stream != NULL )
{
fprintf( stream, "%d", (int)getpid() );
fclose( stream );
msg_Dbg( p_libvlc, "written PID file %s", pidfile );
}
else
msg_Err( p_libvlc, "cannot write PID file %s: %s",
pidfile, vlc_strerror_c(errno) );
free( pidfile );
}
}
else
{
var_Create( p_libvlc, "pidfile", VLC_VAR_STRING );
var_SetString( p_libvlc, "pidfile", "" );
}
#endif
/* FIXME: could be replaced by using Unix sockets */
#ifdef HAVE_DBUS
#define MPRIS_APPEND "/org/mpris/MediaPlayer2/TrackList/Append"
#define MPRIS_BUS_NAME "org.mpris.MediaPlayer2.vlc"
#define MPRIS_OBJECT_PATH "/org/mpris/MediaPlayer2"
#define MPRIS_TRACKLIST_INTERFACE "org.mpris.MediaPlayer2.TrackList"
if( var_InheritBool( p_libvlc, "one-instance" )
|| ( var_InheritBool( p_libvlc, "one-instance-when-started-from-file" )
&& var_InheritBool( p_libvlc, "started-from-file" ) ) )
{
for( int i = vlc_optind; i < i_argc; i++ )
if( ppsz_argv[i][0] == ':' )
{
msg_Err( p_libvlc, "item option %s incompatible with single instance",
ppsz_argv[i] );
goto dbus_out;
}
/* Initialise D-Bus interface, check for other instances */
dbus_threads_init_default();
DBusError err;
dbus_error_init( &err );
/* connect to the session bus */
DBusConnection *conn = dbus_bus_get( DBUS_BUS_SESSION, &err );
if( conn == NULL )
{
msg_Err( p_libvlc, "Failed to connect to D-Bus session daemon: %s",
err.message );
dbus_error_free( &err );
goto dbus_out;
}
/* 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 */
/* FIXME: This check is totally brain-dead and buggy. */
if( !dbus_bus_name_has_owner( conn, MPRIS_BUS_NAME, &err ) )
{
dbus_connection_unref( conn );
if( dbus_error_is_set( &err ) )
{
msg_Err( p_libvlc, "D-Bus error: %s", err.message );
}
else
msg_Dbg( p_libvlc, "No media player running. Continuing normally." );
dbus_error_free( &err );
goto dbus_out;
}
const dbus_bool_t play = !var_InheritBool( p_libvlc, "playlist-enqueue" );
msg_Warn( p_libvlc, "media player running. Exiting...");
for( int i = vlc_optind; i < i_argc; i++ )
{
DBusMessage *msg = dbus_message_new_method_call(
MPRIS_BUS_NAME, MPRIS_OBJECT_PATH, MPRIS_TRACKLIST_INTERFACE, "AddTrack" );
if( unlikely(msg == NULL) )
continue;
/* We need to resolve relative paths in this instance */
char *mrl;
if( strstr( ppsz_argv[i], "://" ) )
mrl = strdup( ppsz_argv[i] );
else
mrl = vlc_path2uri( ppsz_argv[i], NULL );
if( mrl == NULL )
{
dbus_message_unref( msg );
continue;
}
const char *after_track = MPRIS_APPEND;
/* append MRLs */
if( !dbus_message_append_args( msg, DBUS_TYPE_STRING, &mrl,
DBUS_TYPE_OBJECT_PATH, &after_track,
DBUS_TYPE_BOOLEAN, &play,
DBUS_TYPE_INVALID ) )
{
dbus_message_unref( msg );
msg = NULL;
free( mrl );
continue;
}
msg_Dbg( p_libvlc, "Adds %s to the running media player", mrl );
free( mrl );
/* send message and get a handle for a reply */
DBusMessage *reply = dbus_connection_send_with_reply_and_block( conn, msg, -1,
&err );
dbus_message_unref( msg );
if( reply == NULL )
{
msg_Err( p_libvlc, "D-Bus error: %s", err.message );
continue;
}
dbus_message_unref( reply );
}
/* we unreference the connection when we've finished with it */
dbus_connection_unref( conn );
exit( 0 );
}
#undef MPRIS_APPEND
#undef MPRIS_BUS_NAME
#undef MPRIS_OBJECT_PATH
#undef MPRIS_TRACKLIST_INTERFACE
dbus_out:
#endif // HAVE_DBUS
vlc_CPU_dump( VLC_OBJECT(p_libvlc) );
priv->b_stats = var_InheritBool( p_libvlc, "stats" );
/*
* Initialize hotkey handling
*/
priv->actions = vlc_InitActions( p_libvlc );
/*
* Meta data handling
*/
priv->parser = playlist_preparser_New(VLC_OBJECT(p_libvlc));
/* Create a variable for showing the fullscreen interface */
var_Create( p_libvlc, "intf-toggle-fscontrol", VLC_VAR_BOOL );
var_SetBool( p_libvlc, "intf-toggle-fscontrol", true );
/* Create a variable for the Boss Key */
var_Create( p_libvlc, "intf-boss", VLC_VAR_VOID );
/* Create a variable for showing the main interface */
var_Create( p_libvlc, "intf-show", VLC_VAR_BOOL );
/* Create a variable for showing the right click menu */
var_Create( p_libvlc, "intf-popupmenu", VLC_VAR_BOOL );
/* 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 );
/* some default internal settings */
var_Create( p_libvlc, "window", VLC_VAR_STRING );
/* NOTE: Because the playlist and interfaces start before this function
* returns control to the application (DESIGN BUG!), all these variables
* must be created (in place of libvlc_new()) and set to VLC defaults
* (in place of VLC main()) *here*. */
var_Create( p_libvlc, "user-agent", VLC_VAR_STRING );
var_SetString( p_libvlc, "user-agent",
"VLC media player (LibVLC "VERSION")" );
var_Create( p_libvlc, "http-user-agent", VLC_VAR_STRING );
var_SetString( p_libvlc, "http-user-agent",
"VLC/"PACKAGE_VERSION" LibVLC/"PACKAGE_VERSION );
var_Create( p_libvlc, "app-icon-name", VLC_VAR_STRING );
var_SetString( p_libvlc, "app-icon-name", PACKAGE_NAME );
var_Create( p_libvlc, "app-id", VLC_VAR_STRING );
var_SetString( p_libvlc, "app-id", "org.VideoLAN.VLC" );
var_Create( p_libvlc, "app-version", VLC_VAR_STRING );
var_SetString( p_libvlc, "app-version", PACKAGE_VERSION );
/* System specific configuration */
system_Configure( p_libvlc, i_argc - vlc_optind, ppsz_argv + vlc_optind );
#ifdef ENABLE_VLM
/* Initialize VLM if vlm-conf is specified */
psz_parser = var_CreateGetNonEmptyString( p_libvlc, "vlm-conf" );
if( psz_parser )
{
priv->p_vlm = vlm_New( p_libvlc );
if( !priv->p_vlm )
msg_Err( p_libvlc, "VLM initialization failed" );
}
free( psz_parser );
#endif
/*
* Load background interfaces
*/
psz_modules = var_CreateGetNonEmptyString( p_libvlc, "extraintf" );
psz_control = var_CreateGetNonEmptyString( p_libvlc, "control" );
if( psz_modules && psz_control )
{
char* psz_tmp;
if( asprintf( &psz_tmp, "%s:%s", psz_modules, psz_control ) != -1 )
{
free( psz_modules );
psz_modules = psz_tmp;
}
}
else if( psz_control )
{
free( psz_modules );
psz_modules = strdup( psz_control );
}
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++;
}
if( asprintf( &psz_temp, "%s,none", psz_module ) != -1)
{
libvlc_InternalAddIntf( p_libvlc, psz_temp );
free( psz_temp );
}
}
free( psz_modules );
free( psz_control );
#ifdef HAVE_SYSLOG_H
if( var_InheritBool( p_libvlc, "syslog" ) )
{
char *logmode = var_CreateGetNonEmptyString( p_libvlc, "logmode" );
var_SetString( p_libvlc, "logmode", "syslog" );
libvlc_InternalAddIntf( p_libvlc, "logger,none" );
if( logmode )
{
var_SetString( p_libvlc, "logmode", logmode );
free( logmode );
}
var_Destroy( p_libvlc, "logmode" );
}
else
#endif
if( var_InheritBool( p_libvlc, "file-logging" ) )
libvlc_InternalAddIntf( p_libvlc, "logger,none" );
if( var_InheritBool( p_libvlc, "network-synchronisation") )
libvlc_InternalAddIntf( p_libvlc, "netsync,none" );
#ifdef __APPLE__
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 );
var_Create( p_libvlc, "drawable-nsobject", VLC_VAR_ADDRESS );
#endif
#if defined (_WIN32) || defined (__OS2__)
var_Create( p_libvlc, "drawable-hwnd", VLC_VAR_INTEGER );
#endif
/*
* Get input filenames given as commandline arguments.
* We assume that the remaining parameters are filenames
* and their input options.
*/
GetFilenames( p_libvlc, i_argc - vlc_optind, ppsz_argv + vlc_optind );
/*
* Get --open argument
*/
psz_val = var_InheritString( p_libvlc, "open" );
if ( psz_val != NULL )
{
intf_InsertItem( p_libvlc, psz_val, 0, NULL, 0 );
free( psz_val );
}
return VLC_SUCCESS;
}
/**
* Cleanup a libvlc instance. The instance is not completely deallocated
* \param p_libvlc the instance to clean
*/
void libvlc_InternalCleanup( libvlc_int_t *p_libvlc )
{
libvlc_priv_t *priv = libvlc_priv (p_libvlc);
/* Ask the interfaces to stop and destroy them */
msg_Dbg( p_libvlc, "removing all interfaces" );
libvlc_Quit( p_libvlc );
intf_DestroyAll( p_libvlc );
#ifdef ENABLE_VLM
/* Destroy VLM if created in libvlc_InternalInit */
if( priv->p_vlm )
{
vlm_Delete( priv->p_vlm );
}
#endif
#if !defined( _WIN32 ) && !defined( __OS2__ )
char *pidfile = var_InheritString( p_libvlc, "pidfile" );
if( pidfile != NULL )
{
msg_Dbg( p_libvlc, "removing PID file %s", pidfile );
if( unlink( pidfile ) )
msg_Warn( p_libvlc, "cannot remove PID file %s: %s",
pidfile, vlc_strerror_c(errno) );
free( pidfile );
}
#endif
if (priv->parser != NULL)
playlist_preparser_Delete(priv->parser);
vlc_DeinitActions( p_libvlc, priv->actions );
/* Save the configuration */
if( !var_InheritBool( p_libvlc, "ignore-config" ) )
config_AutoSaveConfigFile( VLC_OBJECT(p_libvlc) );
/* Free module bank. It is refcounted, so we call this each time */
module_EndBank (true);
vlc_LogDeinit (p_libvlc);
#if defined(_WIN32) || defined(__OS2__)
system_End( );
#endif
}
/**
* 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 );
vlc_ExitDestroy( &priv->exit );
assert( atomic_load(&(vlc_internals(p_libvlc)->refs)) == 1 );
vlc_object_release( p_libvlc );
}
/*****************************************************************************
* GetFilenames: parse command line options which are not flags
*****************************************************************************
* Parse command line for input files as well as their associated options.
* An option always follows its associated input and begins with a ":".
*****************************************************************************/
static void GetFilenames( libvlc_int_t *p_vlc, unsigned n,
const char *const args[] )
{
while( n > 0 )
{
/* Count the input options */
unsigned i_options = 0;
while( args[--n][0] == ':' )
{
i_options++;
if( n == 0 )
{
msg_Warn( p_vlc, "options %s without item", args[n] );
return; /* syntax!? */
}
}
char *mrl = NULL;
if( strstr( args[n], "://" ) == NULL )
{
mrl = vlc_path2uri( args[n], NULL );
if( !mrl )
continue;
}
intf_InsertItem( p_vlc, (mrl != NULL) ? mrl : args[n], i_options,
( i_options ? &args[n + 1] : NULL ),
VLC_INPUT_OPTION_TRUSTED );
free( mrl );
}
}
/**
* Requests extraction of the meta data for an input item (a.k.a. preparsing).
* The actual extraction is asynchronous.
*/
int libvlc_MetaRequest(libvlc_int_t *libvlc, input_item_t *item,
input_item_meta_request_option_t i_options)
{
libvlc_priv_t *priv = libvlc_priv(libvlc);
if (unlikely(priv->parser == NULL))
return VLC_ENOMEM;
playlist_preparser_Push(priv->parser, item, i_options);
return VLC_SUCCESS;
}
/**
* Requests retrieving/downloading art for an input item.
* The retrieval is performed asynchronously.
*/
int libvlc_ArtRequest(libvlc_int_t *libvlc, input_item_t *item,
input_item_meta_request_option_t i_options)
{
libvlc_priv_t *priv = libvlc_priv(libvlc);
if (unlikely(priv->parser == NULL))
return VLC_ENOMEM;
playlist_preparser_fetcher_Push(priv->parser, item, i_options);
return VLC_SUCCESS;
}