1 /*****************************************************************************
2 * libvlc.c: main libvlc source
3 *****************************************************************************
4 * Copyright (C) 1998-2004 VideoLAN
5 * $Id: libvlc.c,v 1.114 2004/01/29 14:39:08 sigmunau Exp $
7 * Authors: Vincent Seguin <seguin@via.ecp.fr>
8 * Samuel Hocevar <sam@zoy.org>
9 * Gildas Bazin <gbazin@netcourrier.com>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
24 *****************************************************************************/
26 /*****************************************************************************
27 * Pretend we are a builtin module
28 *****************************************************************************/
29 #define MODULE_NAME main
30 #define MODULE_PATH main
33 /*****************************************************************************
35 *****************************************************************************/
39 # include <errno.h> /* ENOMEM */
41 #include <stdio.h> /* sprintf() */
42 #include <string.h> /* strerror() */
43 #include <stdlib.h> /* free() */
46 # include <netinet/in.h> /* BSD: struct in_addr */
51 #elif defined( WIN32 ) && !defined( UNDER_CE )
55 #ifdef WIN32 /* optind, getopt(), included in unistd.h */
56 # include "extras/getopt.h"
63 #include "vlc_cpu.h" /* CPU detection */
64 #include "os_specific.h"
66 #include "vlc_error.h"
68 #include "stream_control.h"
69 #include "input_ext-intf.h"
71 #include "vlc_playlist.h"
72 #include "vlc_interface.h"
74 #include "audio_output.h"
76 #include "vlc_video.h"
77 #include "video_output.h"
81 /*****************************************************************************
82 * The evil global variable. We handle it with care, don't worry.
83 *****************************************************************************/
84 static libvlc_t libvlc;
85 static libvlc_t * p_libvlc;
86 static vlc_t * p_static_vlc;
88 /*****************************************************************************
90 *****************************************************************************/
91 static void SetLanguage ( char const * );
92 static int GetFilenames ( vlc_t *, int, char *[] );
93 static void Usage ( vlc_t *, char const *psz_module_name );
94 static void ListModules ( vlc_t * );
95 static void Version ( void );
98 static void ShowConsole ( void );
100 static int ConsoleWidth ( void );
102 static int VerboseCallback( vlc_object_t *, char const *,
103 vlc_value_t, vlc_value_t, void * );
105 /*****************************************************************************
106 * vlc_current_object: return the current object.
107 *****************************************************************************
108 * If i_object is non-zero, return the corresponding object. Otherwise,
109 * return the statically allocated p_vlc object.
110 *****************************************************************************/
111 vlc_t * vlc_current_object( int i_object )
115 return vlc_object_get( p_libvlc, i_object );
121 /*****************************************************************************
122 * VLC_Version: return the libvlc version.
123 *****************************************************************************
124 * This function returns full version string (numeric version and codename).
125 *****************************************************************************/
126 char const * VLC_Version( void )
128 return VERSION_MESSAGE;
131 /*****************************************************************************
132 * VLC_Error: strerror() equivalent
133 *****************************************************************************
134 * This function returns full version string (numeric version and codename).
135 *****************************************************************************/
136 char const * VLC_Error( int i_err )
138 return vlc_error( i_err );
141 /*****************************************************************************
142 * VLC_Create: allocate a vlc_t structure, and initialize libvlc if needed.
143 *****************************************************************************
144 * This function allocates a vlc_t structure and returns a negative value
145 * in case of failure. Also, the thread system is initialized.
146 *****************************************************************************/
147 int VLC_Create( void )
150 vlc_t * p_vlc = NULL;
153 /* &libvlc never changes, so we can safely call this multiple times. */
156 /* vlc_threads_init *must* be the first internal call! No other call is
157 * allowed before the thread system has been initialized. */
158 i_ret = vlc_threads_init( p_libvlc );
164 /* Now that the thread system is initialized, we don't have much, but
165 * at least we have var_Create */
166 var_Create( p_libvlc, "libvlc", VLC_VAR_MUTEX );
167 var_Get( p_libvlc, "libvlc", &lockval );
168 vlc_mutex_lock( lockval.p_address );
169 if( !libvlc.b_ready )
173 /* Guess what CPU we have */
174 libvlc.i_cpu = CPUCapabilities();
176 /* Find verbosity from VLC_VERBOSE environment variable */
177 psz_env = getenv( "VLC_VERBOSE" );
178 libvlc.i_verbose = psz_env ? atoi( psz_env ) : -1;
180 #if defined( HAVE_ISATTY ) && !defined( WIN32 )
181 libvlc.b_color = isatty( 2 ); /* 2 is for stderr */
183 libvlc.b_color = VLC_FALSE;
186 /* Initialize message queue */
187 msg_Create( p_libvlc );
189 /* Announce who we are */
190 msg_Dbg( p_libvlc, COPYRIGHT_MESSAGE );
191 msg_Dbg( p_libvlc, "libvlc was configured with %s", CONFIGURE_LINE );
193 /* The module bank will be initialized later */
194 libvlc.p_module_bank = NULL;
196 libvlc.b_ready = VLC_TRUE;
198 vlc_mutex_unlock( lockval.p_address );
199 var_Destroy( p_libvlc, "libvlc" );
201 /* Allocate a vlc object */
202 p_vlc = vlc_object_create( p_libvlc, VLC_OBJECT_VLC );
207 vlc_thread_set_priority( p_vlc, VLC_THREAD_PRIORITY_LOW );
209 p_vlc->psz_object_name = "root";
211 /* Initialize mutexes */
212 vlc_mutex_init( p_vlc, &p_vlc->config_lock );
214 vlc_mutex_init( p_vlc, &p_vlc->quicktime_lock );
217 /* Store our newly allocated structure in the global list */
218 vlc_object_attach( p_vlc, p_libvlc );
220 /* Store data for the non-reentrant API */
221 p_static_vlc = p_vlc;
223 return p_vlc->i_object_id;
226 /*****************************************************************************
227 * VLC_Init: initialize a vlc_t structure.
228 *****************************************************************************
229 * This function initializes a previously allocated vlc_t structure:
231 * - gettext initialization
232 * - message queue, module bank and playlist initialization
233 * - configuration and commandline parsing
234 *****************************************************************************/
235 int VLC_Init( int i_object, int i_argc, char *ppsz_argv[] )
237 char p_capabilities[200];
242 vlc_bool_t b_exit = VLC_FALSE;
243 vlc_t * p_vlc = vlc_current_object( i_object );
244 module_t *p_help_module;
245 playlist_t *p_playlist;
254 * System specific initialization code
256 system_Init( p_vlc, &i_argc, ppsz_argv );
258 /* Get the executable name (similar to the basename command) */
261 p_vlc->psz_object_name = p_tmp = ppsz_argv[ 0 ];
264 if( *p_tmp == '/' ) p_vlc->psz_object_name = ++p_tmp;
270 p_vlc->psz_object_name = "vlc";
274 * Support for gettext
278 /* Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
279 msg_Dbg( p_vlc, "translation test: code is \"%s\"", _("C") );
281 /* Initialize the module bank and load the configuration of the
282 * main module. We need to do this at this stage to be able to display
283 * a short help if required by the user. (short help == main module
285 var_Create( p_libvlc, "libvlc", VLC_VAR_MUTEX );
286 var_Get( p_libvlc, "libvlc", &lockval );
287 vlc_mutex_lock( lockval.p_address );
288 if( libvlc.p_module_bank == NULL )
290 module_InitBank( p_vlc );
291 module_LoadMain( p_vlc );
293 vlc_mutex_unlock( lockval.p_address );
294 var_Destroy( p_libvlc, "libvlc" );
296 /* Hack: insert the help module here */
297 p_help_module = vlc_object_create( p_vlc, VLC_OBJECT_MODULE );
298 if( p_help_module == NULL )
300 /*module_EndBank( p_vlc );*/
301 if( i_object ) vlc_object_release( p_vlc );
304 p_help_module->psz_object_name = "help";
305 p_help_module->psz_longname = N_("Help options");
306 config_Duplicate( p_help_module, p_help_config );
307 vlc_object_attach( p_help_module, libvlc.p_module_bank );
310 if( config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_TRUE ) )
312 vlc_object_detach( p_help_module );
313 config_Free( p_help_module );
314 vlc_object_destroy( p_help_module );
315 /*module_EndBank( p_vlc );*/
316 if( i_object ) vlc_object_release( p_vlc );
320 /* Check for short help option */
321 if( config_GetInt( p_vlc, "help" ) )
323 fprintf( stdout, _("Usage: %s [options] [items]...\n"),
324 p_vlc->psz_object_name );
325 Usage( p_vlc, "main" );
326 Usage( p_vlc, "help" );
329 /* Check for version option */
330 else if( config_GetInt( p_vlc, "version" ) )
336 /* Set the config file stuff */
337 p_vlc->psz_homedir = config_GetHomeDir();
338 p_vlc->psz_configfile = config_GetPsz( p_vlc, "config" );
340 /* Hack: remove the help module here */
341 vlc_object_detach( p_help_module );
346 config_Free( p_help_module );
347 vlc_object_destroy( p_help_module );
348 /*module_EndBank( p_vlc );*/
349 if( i_object ) vlc_object_release( p_vlc );
353 /* Check for translation config option */
354 #if defined( ENABLE_NLS ) \
355 && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
357 /* This ain't really nice to have to reload the config here but it seems
358 * the only way to do it. */
359 config_LoadConfigFile( p_vlc, "main" );
360 config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_TRUE );
362 /* Check if the user specified a custom language */
363 psz_language = config_GetPsz( p_vlc, "language" );
364 if( psz_language && *psz_language && strcmp( psz_language, "auto" ) )
366 /* Reset the default domain */
367 SetLanguage( psz_language );
369 /* Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
370 msg_Dbg( p_vlc, "translation test: code is \"%s\"", _("C") );
372 textdomain( PACKAGE );
374 #if defined( SYS_BEOS ) || defined ( SYS_DARWIN ) || \
375 ( defined( WIN32 ) && !defined( HAVE_INCLUDED_GETTEXT ) )
376 /* BeOS only support UTF8 strings */
377 /* Mac OS X prefers UTF8 */
378 bind_textdomain_codeset( PACKAGE, "UTF-8" );
381 module_EndBank( p_vlc );
382 module_InitBank( p_vlc );
383 module_LoadMain( p_vlc );
384 config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_TRUE );
386 if( psz_language ) free( psz_language );
390 * Load the builtins and plugins into the module_bank.
391 * We have to do it before config_Load*() because this also gets the
392 * list of configuration options exported by each module and loads their
395 module_LoadBuiltins( p_vlc );
396 module_LoadPlugins( p_vlc );
402 msg_Dbg( p_vlc, "module bank initialized, found %i modules",
403 libvlc.p_module_bank->i_children );
405 /* Hack: insert the help module here */
406 vlc_object_attach( p_help_module, libvlc.p_module_bank );
409 /* Check for help on modules */
410 if( (p_tmp = config_GetPsz( p_vlc, "module" )) )
412 Usage( p_vlc, p_tmp );
416 /* Check for long help option */
417 else if( config_GetInt( p_vlc, "longhelp" ) )
419 Usage( p_vlc, NULL );
422 /* Check for module list option */
423 else if( config_GetInt( p_vlc, "list" ) )
425 ListModules( p_vlc );
429 /* Check for config file options */
430 if( config_GetInt( p_vlc, "reset-config" ) )
432 vlc_object_detach( p_help_module );
433 config_ResetAll( p_vlc );
434 config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_TRUE );
435 config_SaveConfigFile( p_vlc, NULL );
436 vlc_object_attach( p_help_module, libvlc.p_module_bank );
438 if( config_GetInt( p_vlc, "save-config" ) )
440 vlc_object_detach( p_help_module );
441 config_LoadConfigFile( p_vlc, NULL );
442 config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_TRUE );
443 config_SaveConfigFile( p_vlc, NULL );
444 vlc_object_attach( p_help_module, libvlc.p_module_bank );
447 /* Hack: remove the help module here */
448 vlc_object_detach( p_help_module );
453 config_Free( p_help_module );
454 vlc_object_destroy( p_help_module );
455 /*module_EndBank( p_vlc );*/
456 if( i_object ) vlc_object_release( p_vlc );
461 * Override default configuration with config file settings
463 config_LoadConfigFile( p_vlc, NULL );
465 /* Hack: insert the help module here */
466 vlc_object_attach( p_help_module, libvlc.p_module_bank );
470 * Override configuration with command line settings
472 if( config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_FALSE ) )
476 /* Pause the console because it's destroyed when we exit */
477 fprintf( stderr, "The command line options couldn't be loaded, check "
478 "that they are valid.\nPress the RETURN key to continue..." );
481 vlc_object_detach( p_help_module );
482 config_Free( p_help_module );
483 vlc_object_destroy( p_help_module );
484 /*module_EndBank( p_vlc );*/
485 if( i_object ) vlc_object_release( p_vlc );
489 /* Hack: remove the help module here */
490 vlc_object_detach( p_help_module );
491 config_Free( p_help_module );
492 vlc_object_destroy( p_help_module );
496 * System specific configuration
498 system_Configure( p_vlc, &i_argc, ppsz_argv );
501 * Message queue options
504 var_Create( p_vlc, "verbose", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
505 if( config_GetInt( p_vlc, "quiet" ) )
509 var_Set( p_vlc, "verbose", val );
511 var_AddCallback( p_vlc, "verbose", VerboseCallback, NULL );
512 var_Change( p_vlc, "verbose", VLC_VAR_TRIGGER_CALLBACKS, NULL, NULL );
514 libvlc.b_color = libvlc.b_color && config_GetInt( p_vlc, "color" );
517 * Output messages that may still be in the queue
521 /* p_vlc initialization. FIXME ? */
523 #if defined( __i386__ )
524 if( !config_GetInt( p_vlc, "mmx" ) )
525 libvlc.i_cpu &= ~CPU_CAPABILITY_MMX;
526 if( !config_GetInt( p_vlc, "3dn" ) )
527 libvlc.i_cpu &= ~CPU_CAPABILITY_3DNOW;
528 if( !config_GetInt( p_vlc, "mmxext" ) )
529 libvlc.i_cpu &= ~CPU_CAPABILITY_MMXEXT;
530 if( !config_GetInt( p_vlc, "sse" ) )
531 libvlc.i_cpu &= ~CPU_CAPABILITY_SSE;
532 if( !config_GetInt( p_vlc, "sse2" ) )
533 libvlc.i_cpu &= ~CPU_CAPABILITY_SSE2;
535 #if defined( __powerpc__ ) || defined( SYS_DARWIN )
536 if( !config_GetInt( p_vlc, "altivec" ) )
537 libvlc.i_cpu &= ~CPU_CAPABILITY_ALTIVEC;
540 #define PRINT_CAPABILITY( capability, string ) \
541 if( libvlc.i_cpu & capability ) \
543 strncat( p_capabilities, string " ", \
544 sizeof(p_capabilities) - strlen(p_capabilities) ); \
545 p_capabilities[sizeof(p_capabilities) - 1] = '\0'; \
548 p_capabilities[0] = '\0';
549 PRINT_CAPABILITY( CPU_CAPABILITY_486, "486" );
550 PRINT_CAPABILITY( CPU_CAPABILITY_586, "586" );
551 PRINT_CAPABILITY( CPU_CAPABILITY_PPRO, "Pentium Pro" );
552 PRINT_CAPABILITY( CPU_CAPABILITY_MMX, "MMX" );
553 PRINT_CAPABILITY( CPU_CAPABILITY_3DNOW, "3DNow!" );
554 PRINT_CAPABILITY( CPU_CAPABILITY_MMXEXT, "MMXEXT" );
555 PRINT_CAPABILITY( CPU_CAPABILITY_SSE, "SSE" );
556 PRINT_CAPABILITY( CPU_CAPABILITY_SSE2, "SSE2" );
557 PRINT_CAPABILITY( CPU_CAPABILITY_ALTIVEC, "AltiVec" );
558 PRINT_CAPABILITY( CPU_CAPABILITY_FPU, "FPU" );
559 msg_Dbg( p_vlc, "CPU has capabilities %s", p_capabilities );
562 * Choose the best memcpy module
564 p_vlc->p_memcpy_module = module_Need( p_vlc, "memcpy", "$memcpy" );
566 if( p_vlc->pf_memcpy == NULL )
568 p_vlc->pf_memcpy = memcpy;
571 if( p_vlc->pf_memset == NULL )
573 p_vlc->pf_memset = memset;
577 * Initialize hotkey handling
579 var_Create( p_vlc, "key-pressed", VLC_VAR_INTEGER );
580 p_vlc->p_hotkeys = malloc( sizeof(p_hotkeys) );
581 /* Do a copy (we don't need to modify the strings) */
582 memcpy( p_vlc->p_hotkeys, p_hotkeys, sizeof(p_hotkeys) );
585 * Initialize playlist and get commandline files
587 p_playlist = playlist_Create( p_vlc );
590 msg_Err( p_vlc, "playlist initialization failed" );
591 if( p_vlc->p_memcpy_module != NULL )
593 module_Unneed( p_vlc, p_vlc->p_memcpy_module );
595 /*module_EndBank( p_vlc );*/
596 if( i_object ) vlc_object_release( p_vlc );
601 * Load background interfaces
603 psz_modules = config_GetPsz( p_vlc, "extraintf" );
604 psz_parser = psz_modules;
605 while ( psz_parser && *psz_parser )
607 char *psz_module, *psz_temp;
608 psz_module = psz_parser;
609 psz_parser = strchr( psz_module, ',' );
615 psz_temp = (char *)malloc( strlen(psz_module) + sizeof(",none") );
618 sprintf( psz_temp, "%s,none", psz_module );
619 VLC_AddIntf( 0, psz_temp, VLC_FALSE );
629 * Allways load the hotkeys interface if it exists
631 VLC_AddIntf( 0, "hotkeys,none", VLC_FALSE );
634 * FIXME: kludge to use a p_vlc-local variable for the Mozilla plugin
636 var_Create( p_vlc, "drawable", VLC_VAR_INTEGER );
637 var_Create( p_vlc, "drawableredraw", VLC_VAR_INTEGER );
638 var_Create( p_vlc, "drawablet", VLC_VAR_INTEGER );
639 var_Create( p_vlc, "drawablel", VLC_VAR_INTEGER );
640 var_Create( p_vlc, "drawableb", VLC_VAR_INTEGER );
641 var_Create( p_vlc, "drawabler", VLC_VAR_INTEGER );
642 var_Create( p_vlc, "drawablex", VLC_VAR_INTEGER );
643 var_Create( p_vlc, "drawabley", VLC_VAR_INTEGER );
644 var_Create( p_vlc, "drawablew", VLC_VAR_INTEGER );
645 var_Create( p_vlc, "drawableh", VLC_VAR_INTEGER );
646 var_Create( p_vlc, "drawableportx", VLC_VAR_INTEGER );
647 var_Create( p_vlc, "drawableporty", VLC_VAR_INTEGER );
650 * Get input filenames given as commandline arguments
652 GetFilenames( p_vlc, i_argc, ppsz_argv );
654 if( i_object ) vlc_object_release( p_vlc );
658 /*****************************************************************************
659 * VLC_AddIntf: add an interface
660 *****************************************************************************
661 * This function opens an interface plugin and runs it. If b_block is set
662 * to 0, VLC_AddIntf will return immediately and let the interface run in a
663 * separate thread. If b_block is set to 1, VLC_AddIntf will continue until
664 * user requests to quit.
665 *****************************************************************************/
666 int VLC_AddIntf( int i_object, char const *psz_module, vlc_bool_t b_block )
669 intf_thread_t *p_intf;
670 vlc_t *p_vlc = vlc_current_object( i_object );
677 /* Try to create the interface */
678 p_intf = intf_Create( p_vlc, psz_module ? psz_module : "$intf" );
682 msg_Err( p_vlc, "interface \"%s\" initialization failed", psz_module );
683 if( i_object ) vlc_object_release( p_vlc );
687 /* Try to run the interface */
688 p_intf->b_block = b_block;
689 i_err = intf_RunThread( p_intf );
692 vlc_object_detach( p_intf );
693 intf_Destroy( p_intf );
694 if( i_object ) vlc_object_release( p_vlc );
698 if( i_object ) vlc_object_release( p_vlc );
702 /*****************************************************************************
703 * VLC_Destroy: stop playing and destroy everything.
704 *****************************************************************************
705 * This function requests the running threads to finish, waits for their
706 * termination, and destroys their structure.
707 *****************************************************************************/
708 int VLC_Destroy( int i_object )
710 vlc_t *p_vlc = vlc_current_object( i_object );
718 * Free allocated memory
720 if( p_vlc->p_memcpy_module )
722 module_Unneed( p_vlc, p_vlc->p_memcpy_module );
723 p_vlc->p_memcpy_module = NULL;
726 if( p_vlc->psz_homedir )
728 free( p_vlc->psz_homedir );
729 p_vlc->psz_homedir = NULL;
732 if( p_vlc->psz_configfile )
734 free( p_vlc->psz_configfile );
735 p_vlc->psz_configfile = NULL;
738 if( p_vlc->p_hotkeys )
740 free( p_vlc->p_hotkeys );
741 p_vlc->p_hotkeys = NULL;
745 * XXX: Free module bank !
747 /*module_EndBank( p_vlc );*/
750 * System specific cleaning code
754 /* Destroy mutexes */
755 vlc_mutex_destroy( &p_vlc->config_lock );
757 vlc_mutex_destroy( &p_vlc->quicktime_lock );
760 vlc_object_detach( p_vlc );
762 /* Release object before destroying it */
763 if( i_object ) vlc_object_release( p_vlc );
765 vlc_object_destroy( p_vlc );
767 /* Stop thread system: last one out please shut the door! */
768 vlc_threads_end( p_libvlc );
773 /*****************************************************************************
774 * VLC_Die: ask vlc to die.
775 *****************************************************************************
776 * This function sets p_vlc->b_die to VLC_TRUE, but does not do any other
777 * task. It is your duty to call VLC_End and VLC_Destroy afterwards.
778 *****************************************************************************/
779 int VLC_Die( int i_object )
781 vlc_t *p_vlc = vlc_current_object( i_object );
788 p_vlc->b_die = VLC_TRUE;
790 if( i_object ) vlc_object_release( p_vlc );
794 /*****************************************************************************
795 * VLC_AddTarget: adds a target for playing.
796 *****************************************************************************
797 * This function adds psz_target to the current playlist. If a playlist does
798 * not exist, it will create one.
799 *****************************************************************************/
800 int VLC_AddTarget( int i_object, char const *psz_target,
801 char const **ppsz_options, int i_options,
802 int i_mode, int i_pos )
806 playlist_t *p_playlist;
807 vlc_t *p_vlc = vlc_current_object( i_object );
814 p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
816 if( p_playlist == NULL )
818 msg_Dbg( p_vlc, "no playlist present, creating one" );
819 p_playlist = playlist_Create( p_vlc );
821 if( p_playlist == NULL )
823 if( i_object ) vlc_object_release( p_vlc );
827 vlc_object_yield( p_playlist );
830 i_err = playlist_Add( p_playlist, psz_target, psz_target,
833 for( i = 0 ; i< i_options ; i++ )
835 playlist_AddOption( p_playlist, i_err , ppsz_options[i] );
838 vlc_object_release( p_playlist );
840 if( i_object ) vlc_object_release( p_vlc );
844 /*****************************************************************************
845 * VLC_Set: set a vlc variable
846 *****************************************************************************
848 *****************************************************************************/
849 int VLC_Set( int i_object, char const *psz_var, vlc_value_t value )
851 vlc_t *p_vlc = vlc_current_object( i_object );
859 /* FIXME: Temporary hack for Mozilla, if variable starts with conf:: then
860 * we handle it as a configuration variable. Don't tell Gildas :) -- sam */
861 if( !strncmp( psz_var, "conf::", 6 ) )
863 module_config_t *p_item;
864 char const *psz_newvar = psz_var + 6;
866 p_item = config_FindConfig( VLC_OBJECT(p_vlc), psz_newvar );
870 switch( p_item->i_type )
872 case CONFIG_ITEM_BOOL:
873 config_PutInt( p_vlc, psz_newvar, value.b_bool );
875 case CONFIG_ITEM_INTEGER:
876 config_PutInt( p_vlc, psz_newvar, value.i_int );
878 case CONFIG_ITEM_FLOAT:
879 config_PutFloat( p_vlc, psz_newvar, value.f_float );
882 config_PutPsz( p_vlc, psz_newvar, value.psz_string );
885 if( i_object ) vlc_object_release( p_vlc );
890 i_ret = var_Set( p_vlc, psz_var, value );
892 if( i_object ) vlc_object_release( p_vlc );
896 /*****************************************************************************
897 * VLC_Get: get a vlc variable
898 *****************************************************************************
900 *****************************************************************************/
901 int VLC_Get( int i_object, char const *psz_var, vlc_value_t *p_value )
903 vlc_t *p_vlc = vlc_current_object( i_object );
911 i_ret = var_Get( p_vlc, psz_var, p_value );
913 if( i_object ) vlc_object_release( p_vlc );
917 /* FIXME: temporary hacks */
920 /*****************************************************************************
921 * VLC_IsPlaying: Query for Playlist Status
922 *****************************************************************************/
923 vlc_bool_t VLC_IsPlaying( int i_object )
926 playlist_t * p_playlist;
929 vlc_t *p_vlc = vlc_current_object( i_object );
931 /* Check that the handle is valid */
937 p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST, FIND_CHILD );
941 if( i_object ) vlc_object_release( p_vlc );
945 playing = playlist_IsPlaying( p_playlist );
947 vlc_object_release( p_playlist );
949 if( i_object ) vlc_object_release( p_vlc );
956 /*****************************************************************************
957 * VLC_ClearPlaylist: Query for Playlist Status
960 *****************************************************************************/
961 int VLC_ClearPlaylist( int i_object )
964 playlist_t * p_playlist;
965 vlc_t *p_vlc = vlc_current_object( i_object );
967 /* Check that the handle is valid */
973 p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST, FIND_CHILD );
977 if( i_object ) vlc_object_release( p_vlc );
981 playlist_Clear(p_playlist);
983 vlc_object_release( p_playlist );
985 if( i_object ) vlc_object_release( p_vlc );
990 /*****************************************************************************
992 *****************************************************************************/
993 int VLC_Play( int i_object )
995 playlist_t * p_playlist;
996 vlc_t *p_vlc = vlc_current_object( i_object );
998 /* Check that the handle is valid */
1004 p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST, FIND_CHILD );
1008 if( i_object ) vlc_object_release( p_vlc );
1012 vlc_mutex_lock( &p_playlist->object_lock );
1013 if( p_playlist->i_size )
1015 vlc_mutex_unlock( &p_playlist->object_lock );
1016 playlist_Play( p_playlist );
1020 vlc_mutex_unlock( &p_playlist->object_lock );
1023 vlc_object_release( p_playlist );
1025 if( i_object ) vlc_object_release( p_vlc );
1029 /*****************************************************************************
1031 *****************************************************************************/
1032 int VLC_Stop( int i_object )
1034 intf_thread_t * p_intf;
1035 playlist_t * p_playlist;
1036 vout_thread_t * p_vout;
1037 aout_instance_t * p_aout;
1038 vlc_t *p_vlc = vlc_current_object( i_object );
1040 /* Check that the handle is valid */
1047 * Ask the interfaces to stop and destroy them
1049 msg_Dbg( p_vlc, "removing all interfaces" );
1051 while( (p_intf = vlc_object_find( p_vlc, VLC_OBJECT_INTF, FIND_CHILD )) )
1053 intf_StopThread( p_intf );
1054 vlc_object_detach( p_intf );
1055 vlc_object_release( p_intf );
1056 intf_Destroy( p_intf );
1063 msg_Dbg( p_vlc, "removing all playlists" );
1064 while( (p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST,
1067 vlc_object_detach( p_playlist );
1068 vlc_object_release( p_playlist );
1069 playlist_Destroy( p_playlist );
1073 * Free video outputs
1075 msg_Dbg( p_vlc, "removing all video outputs" );
1076 while( (p_vout = vlc_object_find( p_vlc, VLC_OBJECT_VOUT, FIND_CHILD )) )
1078 vlc_object_detach( p_vout );
1079 vlc_object_release( p_vout );
1080 vout_Destroy( p_vout );
1084 * Free audio outputs
1086 msg_Dbg( p_vlc, "removing all audio outputs" );
1087 while( (p_aout = vlc_object_find( p_vlc, VLC_OBJECT_AOUT, FIND_CHILD )) )
1089 vlc_object_detach( (vlc_object_t *)p_aout );
1090 vlc_object_release( (vlc_object_t *)p_aout );
1091 aout_Delete( p_aout );
1094 if( i_object ) vlc_object_release( p_vlc );
1098 /*****************************************************************************
1099 * VLC_Pause: toggle pause
1100 *****************************************************************************/
1101 int VLC_Pause( int i_object )
1103 input_thread_t *p_input;
1104 vlc_t *p_vlc = vlc_current_object( i_object );
1111 p_input = vlc_object_find( p_vlc, VLC_OBJECT_INPUT, FIND_CHILD );
1115 if( i_object ) vlc_object_release( p_vlc );
1119 input_SetStatus( p_input, INPUT_STATUS_PAUSE );
1120 vlc_object_release( p_input );
1122 if( i_object ) vlc_object_release( p_vlc );
1126 /*****************************************************************************
1127 * VLC_FullScreen: toggle fullscreen mode
1128 *****************************************************************************/
1129 int VLC_FullScreen( int i_object )
1131 vout_thread_t *p_vout;
1132 vlc_t *p_vlc = vlc_current_object( i_object );
1139 p_vout = vlc_object_find( p_vlc, VLC_OBJECT_VOUT, FIND_CHILD );
1143 if( i_object ) vlc_object_release( p_vlc );
1147 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
1148 vlc_object_release( p_vout );
1150 if( i_object ) vlc_object_release( p_vlc );
1154 /* following functions are local */
1156 /*****************************************************************************
1157 * SetLanguage: set the interface language.
1158 *****************************************************************************
1159 * We set the LC_MESSAGES locale category for interface messages and buttons,
1160 * as well as the LC_CTYPE category for string sorting and possible wide
1161 * character support.
1162 *****************************************************************************/
1163 static void SetLanguage ( char const *psz_lang )
1165 #if defined( ENABLE_NLS ) \
1166 && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
1169 #if defined( SYS_DARWIN ) || defined ( WIN32 ) || defined( SYS_BEOS )
1173 if( psz_lang && !*psz_lang )
1175 # if defined( HAVE_LC_MESSAGES )
1176 setlocale( LC_MESSAGES, psz_lang );
1178 setlocale( LC_CTYPE, psz_lang );
1183 /* I need that under Darwin, please check it doesn't disturb
1184 * other platforms. --Meuuh */
1185 setenv( "LANG", psz_lang, 1 );
1187 #elif defined( SYS_BEOS ) || defined( WIN32 )
1188 /* We set LC_ALL manually because it is the only way to set
1189 * the language at runtime under eg. Windows. Beware that this
1190 * makes the environment unconsistent when libvlc is unloaded and
1191 * should probably be moved to a safer place like vlc.c. */
1192 static char psz_lcall[20];
1193 snprintf( psz_lcall, 19, "LC_ALL=%s", psz_lang );
1194 psz_lcall[19] = '\0';
1195 putenv( psz_lcall );
1198 setlocale( LC_ALL, psz_lang );
1201 /* Specify where to find the locales for current domain */
1202 #if !defined( SYS_DARWIN ) && !defined( WIN32 ) && !defined( SYS_BEOS )
1203 psz_path = LOCALEDIR;
1205 snprintf( psz_tmp, sizeof(psz_tmp), "%s/%s", libvlc.psz_vlcpath,
1209 if( !bindtextdomain( PACKAGE, psz_path ) )
1211 fprintf( stderr, "warning: no domain %s in directory %s\n",
1212 PACKAGE, psz_path );
1215 /* Set the default domain */
1216 textdomain( PACKAGE );
1218 #if defined( SYS_BEOS ) || defined ( SYS_DARWIN ) || \
1219 ( defined( WIN32 ) && !defined( HAVE_INCLUDED_GETTEXT ) )
1220 /* BeOS only support UTF8 strings */
1221 /* Mac OS X prefers UTF8 */
1222 bind_textdomain_codeset( PACKAGE, "UTF-8" );
1228 /*****************************************************************************
1229 * GetFilenames: parse command line options which are not flags
1230 *****************************************************************************
1231 * Parse command line for input files as well as their associated options.
1232 * An option always follows its associated input and begins with a ":".
1233 *****************************************************************************/
1234 static int GetFilenames( vlc_t *p_vlc, int i_argc, char *ppsz_argv[] )
1236 int i_opt, i_options;
1238 /* We assume that the remaining parameters are filenames
1239 * and their input options */
1240 for( i_opt = i_argc - 1; i_opt >= optind; i_opt-- )
1244 /* Count the input options */
1245 while( *ppsz_argv[ i_opt ] == ':' && i_opt > optind )
1251 /* TODO: write an internal function of this one, to avoid
1252 * unnecessary lookups. */
1253 VLC_AddTarget( p_vlc->i_object_id, ppsz_argv[ i_opt ],
1254 (char const **)( i_options ? &ppsz_argv[i_opt + 1] :
1256 PLAYLIST_INSERT | (i_opt == optind ? PLAYLIST_GO : 0),
1263 /*****************************************************************************
1264 * Usage: print program usage
1265 *****************************************************************************
1266 * Print a short inline help. Message interface is initialized at this stage.
1267 *****************************************************************************/
1268 static void Usage( vlc_t *p_this, char const *psz_module_name )
1270 #define FORMAT_STRING " %s --%s%s%s%s%s%s%s "
1271 /* short option ------' | | | | | | |
1272 * option name ------------' | | | | | |
1273 * <bra -------------------------' | | | | |
1274 * option type or "" --------------' | | | |
1275 * ket> -----------------------------' | | |
1276 * padding spaces ---------------------' | |
1277 * comment -------------------------------' |
1278 * comment suffix --------------------------'
1280 * The purpose of having bra and ket is that we might i18n them as well.
1282 #define LINE_START 8
1283 #define PADDING_SPACES 25
1286 module_config_t *p_item;
1287 char psz_spaces[PADDING_SPACES+LINE_START+1];
1288 char psz_format[sizeof(FORMAT_STRING)];
1289 char psz_buffer[1000];
1292 int i_width = ConsoleWidth() - (PADDING_SPACES+LINE_START+1);
1293 vlc_bool_t b_advanced = config_GetInt( p_this, "advanced" );
1295 memset( psz_spaces, ' ', PADDING_SPACES+LINE_START );
1296 psz_spaces[PADDING_SPACES+LINE_START] = '\0';
1298 strcpy( psz_format, FORMAT_STRING );
1304 /* List all modules */
1305 p_list = vlc_list_find( p_this, VLC_OBJECT_MODULE, FIND_ANYWHERE );
1307 /* Enumerate the config for each module */
1308 for( i_index = 0; i_index < p_list->i_count; i_index++ )
1310 vlc_bool_t b_help_module;
1312 p_parser = (module_t *)p_list->p_values[i_index].p_object ;
1314 if( psz_module_name && strcmp( psz_module_name,
1315 p_parser->psz_object_name ) )
1320 /* Ignore modules without config options */
1321 if( !p_parser->i_config_items )
1326 /* Ignore modules with only advanced config options if requested */
1329 for( p_item = p_parser->p_config;
1330 p_item->i_type != CONFIG_HINT_END;
1333 if( (p_item->i_type & CONFIG_ITEM) &&
1334 !p_item->b_advanced ) break;
1336 if( p_item->i_type == CONFIG_HINT_END ) continue;
1339 /* Print name of module */
1340 if( strcmp( "main", p_parser->psz_object_name ) )
1341 fprintf( stdout, "\n %s\n", p_parser->psz_longname );
1343 b_help_module = !strcmp( "help", p_parser->psz_object_name );
1345 /* Print module options */
1346 for( p_item = p_parser->p_config;
1347 p_item->i_type != CONFIG_HINT_END;
1351 char *psz_bra = NULL, *psz_type = NULL, *psz_ket = NULL;
1352 char *psz_suf = "", *psz_prefix = NULL;
1355 /* Skip advanced options if requested */
1356 if( p_item->b_advanced && !b_advanced )
1361 switch( p_item->i_type )
1363 case CONFIG_HINT_CATEGORY:
1364 case CONFIG_HINT_USAGE:
1365 if( !strcmp( "main", p_parser->psz_object_name ) )
1366 fprintf( stdout, "\n %s\n", p_item->psz_text );
1369 case CONFIG_ITEM_STRING:
1370 case CONFIG_ITEM_FILE:
1371 case CONFIG_ITEM_DIRECTORY:
1372 case CONFIG_ITEM_MODULE: /* We could also have "=<" here */
1373 if( !p_item->ppsz_list )
1375 psz_bra = " <"; psz_type = _("string"); psz_ket = ">";
1381 psz_type = psz_buffer;
1383 for( i = 0; p_item->ppsz_list[i]; i++ )
1385 if( i ) strcat( psz_type, "," );
1386 strcat( psz_type, p_item->ppsz_list[i] );
1391 case CONFIG_ITEM_INTEGER:
1392 case CONFIG_ITEM_KEY: /* FIXME: do something a bit more clever */
1393 psz_bra = " <"; psz_type = _("integer"); psz_ket = ">";
1395 case CONFIG_ITEM_FLOAT:
1396 psz_bra = " <"; psz_type = _("float"); psz_ket = ">";
1398 case CONFIG_ITEM_BOOL:
1399 psz_bra = ""; psz_type = ""; psz_ket = "";
1400 if( !b_help_module )
1402 psz_suf = p_item->i_value ? _(" (default enabled)") :
1403 _(" (default disabled)");
1413 /* Add short option if any */
1414 if( p_item->i_short )
1416 sprintf( psz_short, "-%c,", p_item->i_short );
1420 strcpy( psz_short, " " );
1423 i = PADDING_SPACES - strlen( p_item->psz_name )
1424 - strlen( psz_bra ) - strlen( psz_type )
1425 - strlen( psz_ket ) - 1;
1427 if( p_item->i_type == CONFIG_ITEM_BOOL && !b_help_module )
1429 /* If option is of type --foo-bar, we print its counterpart
1430 * as --no-foo-bar, but if it is of type --foobar (without
1431 * dashes in the name) we print it as --nofoobar. Both
1432 * values are of course valid, only the display changes. */
1433 psz_prefix = strchr( p_item->psz_name, '-' ) ? ", --no-"
1435 i -= strlen( p_item->psz_name ) + strlen( psz_prefix );
1440 psz_spaces[0] = '\n';
1445 psz_spaces[i] = '\0';
1448 if( p_item->i_type == CONFIG_ITEM_BOOL && !b_help_module )
1450 fprintf( stdout, psz_format, psz_short, p_item->psz_name,
1451 psz_prefix, p_item->psz_name, psz_bra, psz_type,
1452 psz_ket, psz_spaces );
1456 fprintf( stdout, psz_format, psz_short, p_item->psz_name,
1457 "", "", psz_bra, psz_type, psz_ket, psz_spaces );
1460 psz_spaces[i] = ' ';
1462 /* We wrap the rest of the output */
1463 sprintf( psz_buffer, "%s%s", p_item->psz_text, psz_suf );
1464 psz_text = psz_buffer;
1467 char *psz_parser, *psz_word;
1468 int i_end = strlen( psz_text );
1470 /* If the remaining text fits in a line, print it. */
1471 if( i_end <= i_width )
1473 fprintf( stdout, "%s\n", psz_text );
1477 /* Otherwise, eat as many words as possible */
1478 psz_parser = psz_text;
1481 psz_word = psz_parser;
1482 psz_parser = strchr( psz_word, ' ' );
1483 /* If no space was found, we reached the end of the text
1484 * block; otherwise, we skip the space we just found. */
1485 psz_parser = psz_parser ? psz_parser + 1
1488 } while( psz_parser - psz_text <= i_width );
1490 /* We cut a word in one of these cases:
1491 * - it's the only word in the line and it's too long.
1492 * - we used less than 80% of the width and the word we are
1493 * going to wrap is longer than 40% of the width, and even
1494 * if the word would have fit in the next line. */
1495 if( psz_word == psz_text
1496 || ( psz_word - psz_text < 80 * i_width / 100
1497 && psz_parser - psz_word > 40 * i_width / 100 ) )
1499 char c = psz_text[i_width];
1500 psz_text[i_width] = '\0';
1501 fprintf( stdout, "%s\n%s", psz_text, psz_spaces );
1502 psz_text += i_width;
1507 psz_word[-1] = '\0';
1508 fprintf( stdout, "%s\n%s", psz_text, psz_spaces );
1509 psz_text = psz_word;
1515 /* Release the module list */
1516 vlc_list_release( p_list );
1518 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
1519 fprintf( stdout, _("\nPress the RETURN key to continue...\n") );
1524 /*****************************************************************************
1525 * ListModules: list the available modules with their description
1526 *****************************************************************************
1527 * Print a list of all available modules (builtins and plugins) and a short
1528 * description for each one.
1529 *****************************************************************************/
1530 static void ListModules( vlc_t *p_this )
1534 char psz_spaces[22];
1537 memset( psz_spaces, ' ', 22 );
1544 fprintf( stdout, _("Usage: %s [options] [items]...\n\n"),
1545 p_this->p_vlc->psz_object_name );
1547 fprintf( stdout, _("[module] [description]\n") );
1549 /* List all modules */
1550 p_list = vlc_list_find( p_this, VLC_OBJECT_MODULE, FIND_ANYWHERE );
1552 /* Enumerate each module */
1553 for( i_index = 0; i_index < p_list->i_count; i_index++ )
1557 p_parser = (module_t *)p_list->p_values[i_index].p_object ;
1559 /* Nasty hack, but right now I'm too tired to think about a nice
1561 i = 22 - strlen( p_parser->psz_object_name ) - 1;
1565 fprintf( stdout, " %s%s %s\n", p_parser->psz_object_name,
1566 psz_spaces, p_parser->psz_longname );
1568 psz_spaces[i] = ' ';
1571 vlc_list_release( p_list );
1573 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
1574 fprintf( stdout, _("\nPress the RETURN key to continue...\n") );
1579 /*****************************************************************************
1580 * Version: print complete program version
1581 *****************************************************************************
1582 * Print complete program version and build number.
1583 *****************************************************************************/
1584 static void Version( void )
1590 fprintf( stdout, VERSION_MESSAGE "\n" );
1592 _("This program comes with NO WARRANTY, to the extent permitted by "
1593 "law.\nYou may redistribute it under the terms of the GNU General "
1594 "Public License;\nsee the file named COPYING for details.\n"
1595 "Written by the VideoLAN team; see the AUTHORS file.\n") );
1597 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
1598 fprintf( stdout, _("\nPress the RETURN key to continue...\n") );
1603 /*****************************************************************************
1604 * ShowConsole: On Win32, create an output console for debug messages
1605 *****************************************************************************
1606 * This function is useful only on Win32.
1607 *****************************************************************************/
1609 static void ShowConsole( void )
1613 freopen( "CONOUT$", "w", stdout );
1614 freopen( "CONOUT$", "w", stderr );
1615 freopen( "CONIN$", "r", stdin );
1621 /*****************************************************************************
1622 * ConsoleWidth: Return the console width in characters
1623 *****************************************************************************
1624 * We use the stty shell command to get the console width; if this fails or
1625 * if the width is less than 80, we default to 80.
1626 *****************************************************************************/
1627 static int ConsoleWidth( void )
1632 char buf[20], *psz_parser;
1636 file = popen( "stty size 2>/dev/null", "r" );
1639 i_ret = fread( buf, 1, 20, file );
1643 psz_parser = strchr( buf, ' ' );
1646 i_ret = atoi( psz_parser + 1 );
1661 static int VerboseCallback( vlc_object_t *p_this, const char *psz_variable,
1662 vlc_value_t old_val, vlc_value_t new_val, void *param)
1664 vlc_t *p_vlc = (vlc_t *)p_this;
1666 if( new_val.i_int >= -1 )
1668 p_vlc->p_libvlc->i_verbose = __MIN( new_val.i_int, 2 );