1 /*****************************************************************************
2 * libvlc.c: main libvlc source
3 *****************************************************************************
4 * Copyright (C) 1998-2002 VideoLAN
5 * $Id: libvlc.c,v 1.97 2003/09/29 17:36:34 gbazin 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 /*****************************************************************************
103 * VLC_Version: return the libvlc version.
104 *****************************************************************************
105 * This function returns full version string (numeric version and codename).
106 *****************************************************************************/
107 char const * VLC_Version( void )
109 return VERSION_MESSAGE;
112 /*****************************************************************************
113 * VLC_Error: strerror() equivalent
114 *****************************************************************************
115 * This function returns full version string (numeric version and codename).
116 *****************************************************************************/
117 char const * VLC_Error( int i_err )
119 return vlc_error( i_err );
122 /*****************************************************************************
123 * VLC_Create: allocate a vlc_t structure, and initialize libvlc if needed.
124 *****************************************************************************
125 * This function allocates a vlc_t structure and returns a negative value
126 * in case of failure. Also, the thread system is initialized.
127 *****************************************************************************/
128 int VLC_Create( void )
131 vlc_t * p_vlc = NULL;
134 /* &libvlc never changes, so we can safely call this multiple times. */
137 /* vlc_threads_init *must* be the first internal call! No other call is
138 * allowed before the thread system has been initialized. */
139 i_ret = vlc_threads_init( p_libvlc );
145 /* Now that the thread system is initialized, we don't have much, but
146 * at least we have var_Create */
147 var_Create( p_libvlc, "libvlc", VLC_VAR_MUTEX );
148 var_Get( p_libvlc, "libvlc", &lockval );
149 vlc_mutex_lock( lockval.p_address );
150 if( !libvlc.b_ready )
154 /* Guess what CPU we have */
155 libvlc.i_cpu = CPUCapabilities();
157 /* Find verbosity from VLC_VERBOSE environment variable */
158 psz_env = getenv( "VLC_VERBOSE" );
159 libvlc.i_verbose = psz_env ? atoi( psz_env ) : -1;
161 #if defined( HAVE_ISATTY ) && !defined( WIN32 )
162 libvlc.b_color = isatty( 2 ); /* 2 is for stderr */
164 libvlc.b_color = VLC_FALSE;
167 /* Initialize message queue */
168 msg_Create( p_libvlc );
170 /* Announce who we are */
171 msg_Dbg( p_libvlc, COPYRIGHT_MESSAGE );
172 msg_Dbg( p_libvlc, "libvlc was configured with %s", CONFIGURE_LINE );
174 /* The module bank will be initialized later */
175 libvlc.p_module_bank = NULL;
177 libvlc.b_ready = VLC_TRUE;
179 vlc_mutex_unlock( lockval.p_address );
180 var_Destroy( p_libvlc, "libvlc" );
182 /* Allocate a vlc object */
183 p_vlc = vlc_object_create( p_libvlc, VLC_OBJECT_VLC );
188 vlc_thread_set_priority( p_vlc, VLC_THREAD_PRIORITY_LOW );
190 p_vlc->psz_object_name = "root";
192 /* Initialize mutexes */
193 vlc_mutex_init( p_vlc, &p_vlc->config_lock );
195 vlc_mutex_init( p_vlc, &p_vlc->quicktime_lock );
198 /* Store our newly allocated structure in the global list */
199 vlc_object_attach( p_vlc, p_libvlc );
201 /* Store data for the non-reentrant API */
202 p_static_vlc = p_vlc;
204 return p_vlc->i_object_id;
207 /*****************************************************************************
208 * VLC_Init: initialize a vlc_t structure.
209 *****************************************************************************
210 * This function initializes a previously allocated vlc_t structure:
212 * - gettext initialization
213 * - message queue, module bank and playlist initialization
214 * - configuration and commandline parsing
215 *****************************************************************************/
216 int VLC_Init( int i_object, int i_argc, char *ppsz_argv[] )
218 char p_capabilities[200];
223 vlc_bool_t b_exit = VLC_FALSE;
225 module_t *p_help_module;
226 playlist_t *p_playlist;
229 p_vlc = i_object ? vlc_object_get( p_libvlc, i_object ) : p_static_vlc;
237 * System specific initialization code
239 system_Init( p_vlc, &i_argc, ppsz_argv );
241 /* Get the executable name (similar to the basename command) */
244 p_vlc->psz_object_name = p_tmp = ppsz_argv[ 0 ];
247 if( *p_tmp == '/' ) p_vlc->psz_object_name = ++p_tmp;
253 p_vlc->psz_object_name = "vlc";
257 * Support for gettext
261 /* Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
262 msg_Dbg( p_vlc, "translation test: code is \"%s\"", _("C") );
264 /* Initialize the module bank and load the configuration of the
265 * main module. We need to do this at this stage to be able to display
266 * a short help if required by the user. (short help == main module
268 var_Create( p_libvlc, "libvlc", VLC_VAR_MUTEX );
269 var_Get( p_libvlc, "libvlc", &lockval );
270 vlc_mutex_lock( lockval.p_address );
271 if( libvlc.p_module_bank == NULL )
273 module_InitBank( p_libvlc );
274 module_LoadMain( p_libvlc );
276 vlc_mutex_unlock( lockval.p_address );
277 var_Destroy( p_libvlc, "libvlc" );
279 /* Hack: insert the help module here */
280 p_help_module = vlc_object_create( p_vlc, VLC_OBJECT_MODULE );
281 if( p_help_module == NULL )
283 /*module_EndBank( p_vlc );*/
284 if( i_object ) vlc_object_release( p_vlc );
287 p_help_module->psz_object_name = "help";
288 config_Duplicate( p_help_module, p_help_config );
289 vlc_object_attach( p_help_module, libvlc.p_module_bank );
292 if( config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_TRUE ) )
294 vlc_object_detach( p_help_module );
295 config_Free( p_help_module );
296 vlc_object_destroy( p_help_module );
297 /*module_EndBank( p_vlc );*/
298 if( i_object ) vlc_object_release( p_vlc );
302 /* Check for short help option */
303 if( config_GetInt( p_vlc, "help" ) )
305 fprintf( stdout, _("Usage: %s [options] [items]...\n\n"),
306 p_vlc->psz_object_name );
307 Usage( p_vlc, "main" );
308 Usage( p_vlc, "help" );
311 /* Check for version option */
312 else if( config_GetInt( p_vlc, "version" ) )
318 /* Set the config file stuff */
319 p_vlc->psz_homedir = config_GetHomeDir();
320 p_vlc->psz_configfile = config_GetPsz( p_vlc, "config" );
322 /* Hack: remove the help module here */
323 vlc_object_detach( p_help_module );
328 config_Free( p_help_module );
329 vlc_object_destroy( p_help_module );
330 /*module_EndBank( p_vlc );*/
331 if( i_object ) vlc_object_release( p_vlc );
335 /* Check for translation config option */
336 #if defined( ENABLE_NLS ) \
337 && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
339 /* This ain't really nice to have to reload the config here but it seems
340 * the only way to do it. */
341 config_LoadConfigFile( p_vlc, "main" );
342 config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_TRUE );
344 /* Check if the user specified a custom language */
345 psz_language = config_GetPsz( p_vlc, "language" );
346 if( psz_language && *psz_language && strcmp( psz_language, "auto" ) )
348 /* Reset the default domain */
349 SetLanguage( psz_language );
351 /* Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
352 msg_Dbg( p_vlc, "translation test: code is \"%s\"", _("C") );
354 textdomain( PACKAGE );
356 #if defined( SYS_BEOS ) || defined ( SYS_DARWIN ) || \
357 ( defined( WIN32 ) && !defined( HAVE_INCLUDED_GETTEXT ) )
358 /* BeOS only support UTF8 strings */
359 /* Mac OS X prefers UTF8 */
360 bind_textdomain_codeset( PACKAGE, "UTF-8" );
363 module_EndBank( p_vlc );
364 module_InitBank( p_libvlc );
365 module_LoadMain( p_libvlc );
366 config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_TRUE );
368 if( psz_language ) free( psz_language );
372 * Load the builtins and plugins into the module_bank.
373 * We have to do it before config_Load*() because this also gets the
374 * list of configuration options exported by each module and loads their
377 module_LoadBuiltins( p_libvlc );
378 module_LoadPlugins( p_libvlc );
379 msg_Dbg( p_vlc, "module bank initialized, found %i modules",
380 libvlc.p_module_bank->i_children );
382 /* Hack: insert the help module here */
383 vlc_object_attach( p_help_module, libvlc.p_module_bank );
386 /* Check for help on modules */
387 if( (p_tmp = config_GetPsz( p_vlc, "module" )) )
389 Usage( p_vlc, p_tmp );
393 /* Check for long help option */
394 else if( config_GetInt( p_vlc, "longhelp" ) )
396 Usage( p_vlc, NULL );
399 /* Check for module list option */
400 else if( config_GetInt( p_vlc, "list" ) )
402 ListModules( p_vlc );
406 /* Check for config file options */
407 if( config_GetInt( p_vlc, "reset-config" ) )
409 vlc_object_detach( p_help_module );
410 config_ResetAll( p_vlc );
411 config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_TRUE );
412 config_SaveConfigFile( p_vlc, NULL );
413 vlc_object_attach( p_help_module, libvlc.p_module_bank );
415 if( config_GetInt( p_vlc, "save-config" ) )
417 vlc_object_detach( p_help_module );
418 config_LoadConfigFile( p_vlc, NULL );
419 config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_TRUE );
420 config_SaveConfigFile( p_vlc, NULL );
421 vlc_object_attach( p_help_module, libvlc.p_module_bank );
424 /* Hack: remove the help module here */
425 vlc_object_detach( p_help_module );
430 config_Free( p_help_module );
431 vlc_object_destroy( p_help_module );
432 /*module_EndBank( p_vlc );*/
433 if( i_object ) vlc_object_release( p_vlc );
438 * Override default configuration with config file settings
440 config_LoadConfigFile( p_vlc, NULL );
442 /* Hack: insert the help module here */
443 vlc_object_attach( p_help_module, libvlc.p_module_bank );
447 * Override configuration with command line settings
449 if( config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_FALSE ) )
453 /* Pause the console because it's destroyed when we exit */
454 fprintf( stderr, "The command line options couldn't be loaded, check "
455 "that they are valid.\nPress the RETURN key to continue..." );
458 vlc_object_detach( p_help_module );
459 config_Free( p_help_module );
460 vlc_object_destroy( p_help_module );
461 /*module_EndBank( p_vlc );*/
462 if( i_object ) vlc_object_release( p_vlc );
466 /* Hack: remove the help module here */
467 vlc_object_detach( p_help_module );
468 config_Free( p_help_module );
469 vlc_object_destroy( p_help_module );
473 * System specific configuration
475 system_Configure( p_vlc, &i_argc, ppsz_argv );
478 * Message queue options
480 if( config_GetInt( p_vlc, "quiet" ) )
482 libvlc.i_verbose = -1;
486 int i_tmp = config_GetInt( p_vlc, "verbose" );
489 libvlc.i_verbose = __MIN( i_tmp, 2 );
492 libvlc.b_color = libvlc.b_color && config_GetInt( p_vlc, "color" );
495 * Output messages that may still be in the queue
499 /* p_vlc initialization. FIXME ? */
500 p_vlc->i_desync = config_GetInt( p_vlc, "desync" ) * (mtime_t)1000;
502 #if defined( __i386__ )
503 if( !config_GetInt( p_vlc, "mmx" ) )
504 libvlc.i_cpu &= ~CPU_CAPABILITY_MMX;
505 if( !config_GetInt( p_vlc, "3dn" ) )
506 libvlc.i_cpu &= ~CPU_CAPABILITY_3DNOW;
507 if( !config_GetInt( p_vlc, "mmxext" ) )
508 libvlc.i_cpu &= ~CPU_CAPABILITY_MMXEXT;
509 if( !config_GetInt( p_vlc, "sse" ) )
510 libvlc.i_cpu &= ~CPU_CAPABILITY_SSE;
512 #if defined( __powerpc__ ) || defined( SYS_DARWIN )
513 if( !config_GetInt( p_vlc, "altivec" ) )
514 libvlc.i_cpu &= ~CPU_CAPABILITY_ALTIVEC;
517 #define PRINT_CAPABILITY( capability, string ) \
518 if( libvlc.i_cpu & capability ) \
520 strncat( p_capabilities, string " ", \
521 sizeof(p_capabilities) - strlen(p_capabilities) ); \
522 p_capabilities[sizeof(p_capabilities) - 1] = '\0'; \
525 p_capabilities[0] = '\0';
526 PRINT_CAPABILITY( CPU_CAPABILITY_486, "486" );
527 PRINT_CAPABILITY( CPU_CAPABILITY_586, "586" );
528 PRINT_CAPABILITY( CPU_CAPABILITY_PPRO, "Pentium Pro" );
529 PRINT_CAPABILITY( CPU_CAPABILITY_MMX, "MMX" );
530 PRINT_CAPABILITY( CPU_CAPABILITY_3DNOW, "3DNow!" );
531 PRINT_CAPABILITY( CPU_CAPABILITY_MMXEXT, "MMXEXT" );
532 PRINT_CAPABILITY( CPU_CAPABILITY_SSE, "SSE" );
533 PRINT_CAPABILITY( CPU_CAPABILITY_ALTIVEC, "AltiVec" );
534 PRINT_CAPABILITY( CPU_CAPABILITY_FPU, "FPU" );
535 msg_Dbg( p_vlc, "CPU has capabilities %s", p_capabilities );
538 * Choose the best memcpy module
540 p_vlc->p_memcpy_module = module_Need( p_vlc, "memcpy", "$memcpy" );
542 if( p_vlc->pf_memcpy == NULL )
544 p_vlc->pf_memcpy = memcpy;
547 if( p_vlc->pf_memset == NULL )
549 p_vlc->pf_memset = memset;
553 * Initialize playlist and get commandline files
555 p_playlist = playlist_Create( p_vlc );
558 msg_Err( p_vlc, "playlist initialization failed" );
559 if( p_vlc->p_memcpy_module != NULL )
561 module_Unneed( p_vlc, p_vlc->p_memcpy_module );
563 /*module_EndBank( p_vlc );*/
564 if( i_object ) vlc_object_release( p_vlc );
569 * Load background interfaces
571 psz_modules = config_GetPsz( p_vlc, "extraintf" );
572 psz_parser = psz_modules;
573 while ( psz_parser && *psz_parser )
575 char *psz_module, *psz_temp;
576 psz_module = psz_parser;
577 psz_parser = strchr( psz_module, ',' );
583 psz_temp = (char *)malloc( strlen(psz_module) + sizeof(",none") );
586 sprintf( psz_temp, "%s,none", psz_module );
587 VLC_AddIntf( 0, psz_temp, VLC_FALSE );
597 * FIXME: kludge to use a p_vlc-local variable for the Mozilla plugin
599 var_Create( p_vlc, "drawable", VLC_VAR_INTEGER );
600 var_Create( p_vlc, "drawableredraw", VLC_VAR_INTEGER );
601 var_Create( p_vlc, "drawablet", VLC_VAR_INTEGER );
602 var_Create( p_vlc, "drawablel", VLC_VAR_INTEGER );
603 var_Create( p_vlc, "drawableb", VLC_VAR_INTEGER );
604 var_Create( p_vlc, "drawabler", VLC_VAR_INTEGER );
605 var_Create( p_vlc, "drawablex", VLC_VAR_INTEGER );
606 var_Create( p_vlc, "drawabley", VLC_VAR_INTEGER );
607 var_Create( p_vlc, "drawablew", VLC_VAR_INTEGER );
608 var_Create( p_vlc, "drawableh", VLC_VAR_INTEGER );
609 var_Create( p_vlc, "drawableportx", VLC_VAR_INTEGER );
610 var_Create( p_vlc, "drawableporty", VLC_VAR_INTEGER );
613 * Get input filenames given as commandline arguments
615 GetFilenames( p_vlc, i_argc, ppsz_argv );
617 if( i_object ) vlc_object_release( p_vlc );
621 /*****************************************************************************
622 * VLC_AddIntf: add an interface
623 *****************************************************************************
624 * This function opens an interface plugin and runs it. If b_block is set
625 * to 0, VLC_AddIntf will return immediately and let the interface run in a
626 * separate thread. If b_block is set to 1, VLC_AddIntf will continue until
627 * user requests to quit.
628 *****************************************************************************/
629 int VLC_AddIntf( int i_object, char const *psz_module, vlc_bool_t b_block )
632 intf_thread_t *p_intf;
635 p_vlc = i_object ? vlc_object_get( p_libvlc, i_object ) : p_static_vlc;
642 /* Try to create the interface */
643 p_intf = intf_Create( p_vlc, psz_module ? psz_module : "$intf" );
647 msg_Err( p_vlc, "interface \"%s\" initialization failed", psz_module );
648 if( i_object ) vlc_object_release( p_vlc );
652 /* Try to run the interface */
653 p_intf->b_block = b_block;
654 i_err = intf_RunThread( p_intf );
657 vlc_object_detach( p_intf );
658 intf_Destroy( p_intf );
659 if( i_object ) vlc_object_release( p_vlc );
663 if( i_object ) vlc_object_release( p_vlc );
667 /*****************************************************************************
668 * VLC_Destroy: stop playing and destroy everything.
669 *****************************************************************************
670 * This function requests the running threads to finish, waits for their
671 * termination, and destroys their structure.
672 *****************************************************************************/
673 int VLC_Destroy( int i_object )
677 p_vlc = i_object ? vlc_object_get( p_libvlc, i_object ) : p_static_vlc;
685 * Free allocated memory
687 if( p_vlc->p_memcpy_module )
689 module_Unneed( p_vlc, p_vlc->p_memcpy_module );
690 p_vlc->p_memcpy_module = NULL;
693 if( p_vlc->psz_homedir )
695 free( p_vlc->psz_homedir );
696 p_vlc->psz_homedir = NULL;
699 if( p_vlc->psz_configfile )
701 free( p_vlc->psz_configfile );
702 p_vlc->psz_configfile = NULL;
706 * XXX: Free module bank !
708 /*module_EndBank( p_vlc );*/
711 * System specific cleaning code
715 /* Destroy mutexes */
716 vlc_mutex_destroy( &p_vlc->config_lock );
718 vlc_mutex_destroy( &p_vlc->quicktime_lock );
721 vlc_object_detach( p_vlc );
723 /* Release object before destroying it */
724 if( i_object ) vlc_object_release( p_vlc );
726 vlc_object_destroy( p_vlc );
728 /* Stop thread system: last one out please shut the door! */
729 vlc_threads_end( p_libvlc );
734 /*****************************************************************************
735 * VLC_Die: ask vlc to die.
736 *****************************************************************************
737 * This function sets p_vlc->b_die to VLC_TRUE, but does not do any other
738 * task. It is your duty to call vlc_end and VLC_Destroy afterwards.
739 *****************************************************************************/
740 int VLC_Die( int i_object )
744 p_vlc = i_object ? vlc_object_get( p_libvlc, i_object ) : p_static_vlc;
751 p_vlc->b_die = VLC_TRUE;
753 if( i_object ) vlc_object_release( p_vlc );
757 /*****************************************************************************
758 * VLC_AddTarget: adds a target for playing.
759 *****************************************************************************
760 * This function adds psz_target to the current playlist. If a playlist does
761 * not exist, it will create one.
762 *****************************************************************************/
763 int VLC_AddTarget( int i_object, char const *psz_target,
764 char const **ppsz_options, int i_options,
765 int i_mode, int i_pos )
768 playlist_t *p_playlist;
771 p_vlc = i_object ? vlc_object_get( p_libvlc, i_object ) : p_static_vlc;
778 p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
780 if( p_playlist == NULL )
782 msg_Dbg( p_vlc, "no playlist present, creating one" );
783 p_playlist = playlist_Create( p_vlc );
785 if( p_playlist == NULL )
787 if( i_object ) vlc_object_release( p_vlc );
791 vlc_object_yield( p_playlist );
794 i_err = playlist_Add( p_playlist, psz_target, ppsz_options, i_options,
797 vlc_object_release( p_playlist );
799 if( i_object ) vlc_object_release( p_vlc );
803 /*****************************************************************************
804 * VLC_Set: set a vlc variable
805 *****************************************************************************
807 *****************************************************************************/
808 int VLC_Set( int i_object, char const *psz_var, vlc_value_t value )
813 p_vlc = i_object ? vlc_object_get( p_libvlc, i_object ) : p_static_vlc;
820 /* FIXME: Temporary hack for Mozilla, if variable starts with conf:: then
821 * we handle it as a configuration variable. Don't tell Gildas :) -- sam */
822 if( !strncmp( psz_var, "conf::", 6 ) )
824 module_config_t *p_item;
825 char const *psz_newvar = psz_var + 6;
827 p_item = config_FindConfig( VLC_OBJECT(p_vlc), psz_newvar );
831 switch( p_item->i_type )
833 case CONFIG_ITEM_BOOL:
834 config_PutInt( p_vlc, psz_newvar, value.b_bool );
836 case CONFIG_ITEM_INTEGER:
837 config_PutInt( p_vlc, psz_newvar, value.i_int );
839 case CONFIG_ITEM_FLOAT:
840 config_PutFloat( p_vlc, psz_newvar, value.f_float );
843 config_PutPsz( p_vlc, psz_newvar, value.psz_string );
846 if( i_object ) vlc_object_release( p_vlc );
851 i_ret = var_Set( p_vlc, psz_var, value );
853 if( i_object ) vlc_object_release( p_vlc );
857 /*****************************************************************************
858 * VLC_Get: get a vlc variable
859 *****************************************************************************
861 *****************************************************************************/
862 int VLC_Get( int i_object, char const *psz_var, vlc_value_t *p_value )
867 p_vlc = i_object ? vlc_object_get( p_libvlc, i_object ) : p_static_vlc;
874 i_ret = var_Get( p_vlc, psz_var, p_value );
876 if( i_object ) vlc_object_release( p_vlc );
880 /* FIXME: temporary hacks */
882 /*****************************************************************************
884 *****************************************************************************/
885 int VLC_Play( int i_object )
887 playlist_t * p_playlist;
890 p_vlc = i_object ? vlc_object_get( p_libvlc, i_object ) : p_static_vlc;
892 /* Check that the handle is valid */
898 p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST, FIND_CHILD );
902 if( i_object ) vlc_object_release( p_vlc );
906 vlc_mutex_lock( &p_playlist->object_lock );
907 if( p_playlist->i_size )
909 vlc_mutex_unlock( &p_playlist->object_lock );
910 playlist_Play( p_playlist );
914 vlc_mutex_unlock( &p_playlist->object_lock );
917 vlc_object_release( p_playlist );
919 if( i_object ) vlc_object_release( p_vlc );
923 /*****************************************************************************
925 *****************************************************************************/
926 int VLC_Stop( int i_object )
928 intf_thread_t * p_intf;
929 playlist_t * p_playlist;
930 vout_thread_t * p_vout;
931 aout_instance_t * p_aout;
934 p_vlc = i_object ? vlc_object_get( p_libvlc, i_object ) : p_static_vlc;
936 /* Check that the handle is valid */
943 * Ask the interfaces to stop and destroy them
945 msg_Dbg( p_vlc, "removing all interfaces" );
947 while( (p_intf = vlc_object_find( p_vlc, VLC_OBJECT_INTF, FIND_CHILD )) )
949 intf_StopThread( p_intf );
950 vlc_object_detach( p_intf );
951 vlc_object_release( p_intf );
952 intf_Destroy( p_intf );
959 msg_Dbg( p_vlc, "removing all playlists" );
960 while( (p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST,
963 vlc_object_detach( p_playlist );
964 vlc_object_release( p_playlist );
965 playlist_Destroy( p_playlist );
971 msg_Dbg( p_vlc, "removing all video outputs" );
972 while( (p_vout = vlc_object_find( p_vlc, VLC_OBJECT_VOUT, FIND_CHILD )) )
974 vlc_object_detach( p_vout );
975 vlc_object_release( p_vout );
976 vout_Destroy( p_vout );
982 msg_Dbg( p_vlc, "removing all audio outputs" );
983 while( (p_aout = vlc_object_find( p_vlc, VLC_OBJECT_AOUT, FIND_CHILD )) )
985 vlc_object_detach( (vlc_object_t *)p_aout );
986 vlc_object_release( (vlc_object_t *)p_aout );
987 aout_Delete( p_aout );
990 if( i_object ) vlc_object_release( p_vlc );
994 /*****************************************************************************
995 * VLC_Pause: toggle pause
996 *****************************************************************************/
997 int VLC_Pause( int i_object )
999 input_thread_t *p_input;
1002 p_vlc = i_object ? vlc_object_get( p_libvlc, i_object ) : p_static_vlc;
1009 p_input = vlc_object_find( p_vlc, VLC_OBJECT_INPUT, FIND_CHILD );
1013 if( i_object ) vlc_object_release( p_vlc );
1017 input_SetStatus( p_input, INPUT_STATUS_PAUSE );
1018 vlc_object_release( p_input );
1020 if( i_object ) vlc_object_release( p_vlc );
1024 /*****************************************************************************
1025 * VLC_FullScreen: toggle fullscreen mode
1026 *****************************************************************************/
1027 int VLC_FullScreen( int i_object )
1029 vout_thread_t *p_vout;
1032 p_vlc = i_object ? vlc_object_get( p_libvlc, i_object ) : p_static_vlc;
1039 p_vout = vlc_object_find( p_vlc, VLC_OBJECT_VOUT, FIND_CHILD );
1043 if( i_object ) vlc_object_release( p_vlc );
1047 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
1048 vlc_object_release( p_vout );
1050 if( i_object ) vlc_object_release( p_vlc );
1054 /* following functions are local */
1056 /*****************************************************************************
1057 * SetLanguage: set the interface language.
1058 *****************************************************************************
1059 * We set the LC_MESSAGES locale category for interface messages and buttons,
1060 * as well as the LC_CTYPE category for string sorting and possible wide
1061 * character support.
1062 *****************************************************************************/
1063 static void SetLanguage ( char const *psz_lang )
1065 #if defined( ENABLE_NLS ) \
1066 && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
1069 #if defined( SYS_DARWIN ) || defined ( WIN32 ) || defined( SYS_BEOS )
1073 if( psz_lang && !*psz_lang )
1075 # if defined( HAVE_LC_MESSAGES )
1076 setlocale( LC_MESSAGES, psz_lang );
1078 setlocale( LC_CTYPE, psz_lang );
1083 /* I need that under Darwin, please check it doesn't disturb
1084 * other platforms. --Meuuh */
1085 setenv( "LANG", psz_lang, 1 );
1087 #elif defined( SYS_BEOS ) || defined( WIN32 )
1088 /* We set LC_ALL manually because it is the only way to set
1089 * the language at runtime under eg. Windows. Beware that this
1090 * makes the environment unconsistent when libvlc is unloaded and
1091 * should probably be moved to a safer place like vlc.c. */
1092 static char psz_lcall[20];
1093 snprintf( psz_lcall, 19, "LC_ALL=%s", psz_lang );
1094 psz_lcall[19] = '\0';
1095 putenv( psz_lcall );
1098 setlocale( LC_ALL, psz_lang );
1101 /* Specify where to find the locales for current domain */
1102 #if !defined( SYS_DARWIN ) && !defined( WIN32 ) && !defined( SYS_BEOS )
1103 psz_path = LOCALEDIR;
1105 snprintf( psz_tmp, sizeof(psz_tmp), "%s/%s", libvlc.psz_vlcpath,
1109 if( !bindtextdomain( PACKAGE, psz_path ) )
1111 fprintf( stderr, "warning: no domain %s in directory %s\n",
1112 PACKAGE, psz_path );
1115 /* Set the default domain */
1116 textdomain( PACKAGE );
1118 #if defined( SYS_BEOS ) || defined ( SYS_DARWIN ) || \
1119 ( defined( WIN32 ) && !defined( HAVE_INCLUDED_GETTEXT ) )
1120 /* BeOS only support UTF8 strings */
1121 /* Mac OS X prefers UTF8 */
1122 bind_textdomain_codeset( PACKAGE, "UTF-8" );
1128 /*****************************************************************************
1129 * GetFilenames: parse command line options which are not flags
1130 *****************************************************************************
1131 * Parse command line for input files as well as their associated options.
1132 * An option always follows its associated input and begins with a ":".
1133 *****************************************************************************/
1134 static int GetFilenames( vlc_t *p_vlc, int i_argc, char *ppsz_argv[] )
1136 int i_opt, i_options;
1138 /* We assume that the remaining parameters are filenames
1139 * and their input options */
1140 for( i_opt = i_argc - 1; i_opt >= optind; i_opt-- )
1144 /* Count the input options */
1145 while( *ppsz_argv[ i_opt ] == ':' && i_opt > optind )
1151 /* TODO: write an internal function of this one, to avoid
1152 * unnecessary lookups. */
1153 VLC_AddTarget( p_vlc->i_object_id, ppsz_argv[ i_opt ],
1154 (char const **)( i_options ? &ppsz_argv[i_opt + 1] :
1156 PLAYLIST_INSERT | (i_opt == optind ? PLAYLIST_GO : 0),
1163 /*****************************************************************************
1164 * Usage: print program usage
1165 *****************************************************************************
1166 * Print a short inline help. Message interface is initialized at this stage.
1167 *****************************************************************************/
1168 static void Usage( vlc_t *p_this, char const *psz_module_name )
1170 #define FORMAT_STRING " %s --%s%s%s%s%s%s%s "
1171 /* short option ------' | | | | | | |
1172 * option name ------------' | | | | | |
1173 * <bra -------------------------' | | | | |
1174 * option type or "" --------------' | | | |
1175 * ket> -----------------------------' | | |
1176 * padding spaces ---------------------' | |
1177 * comment -------------------------------' |
1178 * comment suffix --------------------------'
1180 * The purpose of having bra and ket is that we might i18n them as well.
1182 #define LINE_START 8
1183 #define PADDING_SPACES 25
1186 module_config_t *p_item;
1187 char psz_spaces[PADDING_SPACES+LINE_START+1];
1188 char psz_format[sizeof(FORMAT_STRING)];
1189 char psz_buffer[1000];
1192 int i_width = ConsoleWidth() - (PADDING_SPACES+LINE_START+1);
1194 memset( psz_spaces, ' ', PADDING_SPACES+LINE_START );
1195 psz_spaces[PADDING_SPACES+LINE_START] = '\0';
1197 strcpy( psz_format, FORMAT_STRING );
1203 /* List all modules */
1204 p_list = vlc_list_find( p_this, VLC_OBJECT_MODULE, FIND_ANYWHERE );
1206 /* Enumerate the config for each module */
1207 for( i_index = 0; i_index < p_list->i_count; i_index++ )
1209 vlc_bool_t b_help_module;
1211 p_parser = (module_t *)p_list->p_values[i_index].p_object ;
1213 if( psz_module_name && strcmp( psz_module_name,
1214 p_parser->psz_object_name ) )
1219 /* Ignore modules without config options */
1220 if( !p_parser->i_config_items )
1225 b_help_module = !strcmp( "help", p_parser->psz_object_name );
1227 /* Print module options */
1228 for( p_item = p_parser->p_config;
1229 p_item->i_type != CONFIG_HINT_END;
1233 char *psz_bra = NULL, *psz_type = NULL, *psz_ket = NULL;
1234 char *psz_suf = "", *psz_prefix = NULL;
1236 if ( p_item->b_advanced && !config_GetInt( p_this, "advanced" ))
1240 switch( p_item->i_type )
1242 case CONFIG_HINT_CATEGORY:
1243 case CONFIG_HINT_USAGE:
1244 fprintf( stdout, " %s\n", p_item->psz_text );
1247 case CONFIG_ITEM_STRING:
1248 case CONFIG_ITEM_FILE:
1249 case CONFIG_ITEM_MODULE: /* We could also have "=<" here */
1250 if( !p_item->ppsz_list )
1252 psz_bra = " <"; psz_type = _("string"); psz_ket = ">";
1258 psz_type = psz_buffer;
1260 for( i = 0; p_item->ppsz_list[i]; i++ )
1262 if( i ) strcat( psz_type, "," );
1263 strcat( psz_type, p_item->ppsz_list[i] );
1268 case CONFIG_ITEM_INTEGER:
1269 psz_bra = " <"; psz_type = _("integer"); psz_ket = ">";
1271 case CONFIG_ITEM_FLOAT:
1272 psz_bra = " <"; psz_type = _("float"); psz_ket = ">";
1274 case CONFIG_ITEM_BOOL:
1275 psz_bra = ""; psz_type = ""; psz_ket = "";
1276 if( !b_help_module )
1278 psz_suf = p_item->i_value ? _(" (default enabled)") :
1279 _(" (default disabled)");
1289 /* Add short option if any */
1290 if( p_item->i_short )
1292 sprintf( psz_short, "-%c,", p_item->i_short );
1296 strcpy( psz_short, " " );
1299 i = PADDING_SPACES - strlen( p_item->psz_name )
1300 - strlen( psz_bra ) - strlen( psz_type )
1301 - strlen( psz_ket ) - 1;
1303 if( p_item->i_type == CONFIG_ITEM_BOOL && !b_help_module )
1305 /* If option is of type --foo-bar, we print its counterpart
1306 * as --no-foo-bar, but if it is of type --foobar (without
1307 * dashes in the name) we print it as --nofoobar. Both
1308 * values are of course valid, only the display changes. */
1309 psz_prefix = strchr( p_item->psz_name, '-' ) ? ", --no-"
1311 i -= strlen( p_item->psz_name ) + strlen( psz_prefix );
1316 psz_spaces[0] = '\n';
1321 psz_spaces[i] = '\0';
1324 if( p_item->i_type == CONFIG_ITEM_BOOL && !b_help_module )
1326 fprintf( stdout, psz_format, psz_short, p_item->psz_name,
1327 psz_prefix, p_item->psz_name, psz_bra, psz_type,
1328 psz_ket, psz_spaces );
1332 fprintf( stdout, psz_format, psz_short, p_item->psz_name,
1333 "", "", psz_bra, psz_type, psz_ket, psz_spaces );
1336 psz_spaces[i] = ' ';
1338 /* We wrap the rest of the output */
1339 sprintf( psz_buffer, "%s%s", p_item->psz_text, psz_suf );
1340 psz_text = psz_buffer;
1343 char *psz_parser, *psz_word;
1344 int i_end = strlen( psz_text );
1346 /* If the remaining text fits in a line, print it. */
1347 if( i_end <= i_width )
1349 fprintf( stdout, "%s\n", psz_text );
1353 /* Otherwise, eat as many words as possible */
1354 psz_parser = psz_text;
1357 psz_word = psz_parser;
1358 psz_parser = strchr( psz_word, ' ' );
1359 /* If no space was found, we reached the end of the text
1360 * block; otherwise, we skip the space we just found. */
1361 psz_parser = psz_parser ? psz_parser + 1
1364 } while( psz_parser - psz_text <= i_width );
1366 /* We cut a word in one of these cases:
1367 * - it's the only word in the line and it's too long.
1368 * - we used less than 80% of the width and the word we are
1369 * going to wrap is longer than 40% of the width, and even
1370 * if the word would have fit in the next line. */
1371 if( psz_word == psz_text
1372 || ( psz_word - psz_text < 80 * i_width / 100
1373 && psz_parser - psz_word > 40 * i_width / 100 ) )
1375 char c = psz_text[i_width];
1376 psz_text[i_width] = '\0';
1377 fprintf( stdout, "%s\n%s", psz_text, psz_spaces );
1378 psz_text += i_width;
1383 psz_word[-1] = '\0';
1384 fprintf( stdout, "%s\n%s", psz_text, psz_spaces );
1385 psz_text = psz_word;
1391 /* Release the module list */
1392 vlc_list_release( p_list );
1394 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
1395 fprintf( stdout, _("\nPress the RETURN key to continue...\n") );
1400 /*****************************************************************************
1401 * ListModules: list the available modules with their description
1402 *****************************************************************************
1403 * Print a list of all available modules (builtins and plugins) and a short
1404 * description for each one.
1405 *****************************************************************************/
1406 static void ListModules( vlc_t *p_this )
1410 char psz_spaces[22];
1413 memset( psz_spaces, ' ', 22 );
1420 fprintf( stdout, _("Usage: %s [options] [items]...\n\n"),
1421 p_this->p_vlc->psz_object_name );
1423 fprintf( stdout, _("[module] [description]\n") );
1425 /* List all modules */
1426 p_list = vlc_list_find( p_this, VLC_OBJECT_MODULE, FIND_ANYWHERE );
1428 /* Enumerate each module */
1429 for( i_index = 0; i_index < p_list->i_count; i_index++ )
1433 p_parser = (module_t *)p_list->p_values[i_index].p_object ;
1435 /* Nasty hack, but right now I'm too tired to think about a nice
1437 i = 22 - strlen( p_parser->psz_object_name ) - 1;
1441 fprintf( stdout, " %s%s %s\n", p_parser->psz_object_name,
1442 psz_spaces, p_parser->psz_longname );
1444 psz_spaces[i] = ' ';
1447 vlc_list_release( p_list );
1449 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
1450 fprintf( stdout, _("\nPress the RETURN key to continue...\n") );
1455 /*****************************************************************************
1456 * Version: print complete program version
1457 *****************************************************************************
1458 * Print complete program version and build number.
1459 *****************************************************************************/
1460 static void Version( void )
1466 fprintf( stdout, VERSION_MESSAGE "\n" );
1468 _("This program comes with NO WARRANTY, to the extent permitted by "
1469 "law.\nYou may redistribute it under the terms of the GNU General "
1470 "Public License;\nsee the file named COPYING for details.\n"
1471 "Written by the VideoLAN team at Ecole Centrale, Paris.\n") );
1473 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
1474 fprintf( stdout, _("\nPress the RETURN key to continue...\n") );
1479 /*****************************************************************************
1480 * ShowConsole: On Win32, create an output console for debug messages
1481 *****************************************************************************
1482 * This function is useful only on Win32.
1483 *****************************************************************************/
1485 static void ShowConsole( void )
1489 freopen( "CONOUT$", "w", stdout );
1490 freopen( "CONOUT$", "w", stderr );
1491 freopen( "CONIN$", "r", stdin );
1497 /*****************************************************************************
1498 * ConsoleWidth: Return the console width in characters
1499 *****************************************************************************
1500 * We use the stty shell command to get the console width; if this fails or
1501 * if the width is less than 80, we default to 80.
1502 *****************************************************************************/
1503 static int ConsoleWidth( void )
1508 char buf[20], *psz_parser;
1512 file = popen( "stty size 2>/dev/null", "r" );
1515 i_ret = fread( buf, 1, 20, file );
1519 psz_parser = strchr( buf, ' ' );
1522 i_ret = atoi( psz_parser + 1 );