1 /*****************************************************************************
2 * libvlc.c: main libvlc source
3 *****************************************************************************
4 * Copyright (C) 1998-2002 VideoLAN
5 * $Id: libvlc.c,v 1.23 2002/08/08 22:28:23 sam 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 *****************************************************************************/
36 #include <errno.h> /* ENOMEM */
37 #include <stdio.h> /* sprintf() */
38 #include <string.h> /* strerror() */
39 #include <stdlib.h> /* free() */
40 #include <signal.h> /* SIGHUP, SIGINT, SIGKILL */
44 #ifdef HAVE_GETOPT_LONG
46 # include <getopt.h> /* getopt() */
49 # include "GNUgetopt/getopt.h"
53 # include <netinet/in.h> /* BSD: struct in_addr */
58 #elif defined( _MSC_VER ) && defined( _WIN32 )
66 #include "vlc_cpu.h" /* CPU detection */
67 #include "os_specific.h"
69 #include "netutils.h" /* network_ChannelJoin */
71 #include "stream_control.h"
72 #include "input_ext-intf.h"
74 #include "vlc_playlist.h"
75 #include "interface.h"
77 #include "audio_output.h"
80 #include "video_output.h"
84 /*****************************************************************************
85 * The evil global variables. We handle them with care, don't worry.
86 *****************************************************************************/
88 /* This global lock is used for critical sections - don't abuse it! */
89 static vlc_mutex_t global_lock;
92 /* A list of all the currently allocated vlc objects */
93 static int volatile i_vlc = 0;
94 static int volatile i_unique = 0;
95 static vlc_t ** volatile pp_vlc = NULL;
97 /*****************************************************************************
99 *****************************************************************************/
100 static int GetFilenames ( vlc_t *, int, char *[] );
101 static void Usage ( vlc_t *, const char *psz_module_name );
102 static void ListModules ( vlc_t * );
103 static void Version ( void );
106 static void InitSignalHandler ( void );
107 static void SimpleSignalHandler ( int i_signal );
108 static void FatalSignalHandler ( int i_signal );
112 static void ShowConsole ( void );
115 /*****************************************************************************
116 * vlc_create: allocate a vlc_t structure, and initialize libvlc if needed.
117 *****************************************************************************
118 * This function allocates a vlc_t structure and returns NULL in case of
119 * failure. Also, the thread system and the signal handlers are initialized.
120 *****************************************************************************/
121 vlc_error_t vlc_create( void )
123 vlc_t * p_vlc = vlc_create_r();
124 return p_vlc ? VLC_SUCCESS : VLC_EGENERIC;
127 vlc_t * vlc_create_r( void )
129 vlc_t * p_vlc = NULL;
131 /* Allocate the main structure */
132 p_vlc = vlc_object_create( p_vlc, VLC_OBJECT_ROOT );
138 p_vlc->psz_object_name = "root";
140 p_vlc->p_global_lock = &global_lock;
141 p_vlc->pp_global_data = &p_global_data;
143 p_vlc->b_verbose = VLC_FALSE;
144 p_vlc->b_quiet = VLC_FALSE; /* FIXME: delay message queue output! */
146 /* Initialize the threads system */
147 vlc_threads_init( p_vlc );
149 /* Initialize mutexes */
150 vlc_mutex_init( p_vlc, &p_vlc->config_lock );
151 vlc_mutex_init( p_vlc, &p_vlc->structure_lock );
153 /* Set signal handling policy for all threads */
155 InitSignalHandler( );
158 /* Store our newly allocated structure in the global list */
159 vlc_mutex_lock( p_vlc->p_global_lock );
160 pp_vlc = realloc( pp_vlc, (i_vlc+1) * sizeof( vlc_t * ) );
161 pp_vlc[ i_vlc ] = p_vlc;
163 p_vlc->i_unique = i_unique;
165 vlc_mutex_unlock( p_vlc->p_global_lock );
167 /* Update the handle status */
168 p_vlc->i_status = VLC_STATUS_CREATED;
173 /*****************************************************************************
174 * vlc_init: initialize a vlc_t structure.
175 *****************************************************************************
176 * This function initializes a previously allocated vlc_t structure:
178 * - gettext initialization
179 * - message queue, module bank and playlist initialization
180 * - configuration and commandline parsing
181 *****************************************************************************/
182 vlc_error_t vlc_init( int i_argc, char *ppsz_argv[] )
184 return vlc_init_r( ( i_vlc == 1 ) ? *pp_vlc : NULL, i_argc, ppsz_argv );
187 vlc_error_t vlc_init_r( vlc_t *p_vlc, int i_argc, char *ppsz_argv[] )
189 char p_capabilities[200];
191 module_t *p_help_module;
192 playlist_t *p_playlist;
194 /* Check that the handle is valid */
195 if( !p_vlc || p_vlc->i_status != VLC_STATUS_CREATED )
197 fprintf( stderr, "error: invalid status (!CREATED)\n" );
201 fprintf( stderr, COPYRIGHT_MESSAGE "\n" );
203 /* Guess what CPU we have */
204 p_vlc->i_cpu = CPUCapabilities( p_vlc );
207 * Support for gettext
209 #if defined( ENABLE_NLS ) && defined ( HAVE_GETTEXT )
210 # if defined( HAVE_LOCALE_H ) && defined( HAVE_LC_MESSAGES )
211 if( !setlocale( LC_MESSAGES, "" ) )
213 fprintf( stderr, "warning: unsupported locale settings\n" );
216 setlocale( LC_CTYPE, "" );
219 if( !bindtextdomain( PACKAGE, LOCALEDIR ) )
221 fprintf( stderr, "warning: no domain %s in directory %s\n",
222 PACKAGE, LOCALEDIR );
225 textdomain( PACKAGE );
229 * System specific initialization code
231 system_Init( p_vlc, &i_argc, ppsz_argv );
234 * Initialize message queue
238 /* Get the executable name (similar to the basename command) */
241 p_vlc->psz_object_name = p_tmp = ppsz_argv[ 0 ];
244 if( *p_tmp == '/' ) p_vlc->psz_object_name = ++p_tmp;
250 p_vlc->psz_object_name = "vlc";
253 /* Announce who we are */
254 msg_Dbg( p_vlc, COPYRIGHT_MESSAGE );
255 msg_Dbg( p_vlc, "libvlc was configured with %s", CONFIGURE_LINE );
258 * Initialize the module bank and and load the configuration of the main
259 * module. We need to do this at this stage to be able to display a short
260 * help if required by the user. (short help == main module options)
262 module_InitBank( p_vlc );
263 module_LoadMain( p_vlc );
265 /* Hack: insert the help module here */
266 p_help_module = vlc_object_create( p_vlc, VLC_OBJECT_MODULE );
267 if( p_help_module == NULL )
269 module_EndBank( p_vlc );
270 msg_Destroy( p_vlc );
273 p_help_module->psz_object_name = "help";
274 config_Duplicate( p_help_module, p_help_config );
275 p_help_module->next = p_vlc->p_module_bank->first;
276 p_vlc->p_module_bank->first = p_help_module;
279 if( config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_TRUE ) )
281 p_vlc->p_module_bank->first = p_help_module->next;
282 config_Free( p_help_module );
283 vlc_object_destroy( p_help_module );
284 module_EndBank( p_vlc );
285 msg_Destroy( p_vlc );
289 /* Check for short help option */
290 if( config_GetInt( p_vlc, "help" ) )
292 fprintf( stderr, _("Usage: %s [options] [parameters] [file]...\n"),
293 p_vlc->psz_object_name );
295 Usage( p_vlc, "help" );
296 Usage( p_vlc, "main" );
297 p_vlc->p_module_bank->first = p_help_module->next;
298 config_Free( p_help_module );
299 vlc_object_destroy( p_help_module );
300 module_EndBank( p_vlc );
301 msg_Destroy( p_vlc );
305 /* Check for version option */
306 if( config_GetInt( p_vlc, "version" ) )
309 p_vlc->p_module_bank->first = p_help_module->next;
310 config_Free( p_help_module );
311 vlc_object_destroy( p_help_module );
312 module_EndBank( p_vlc );
313 msg_Destroy( p_vlc );
317 /* Hack: remove the help module here */
318 p_vlc->p_module_bank->first = p_help_module->next;
322 * Load the builtins and plugins into the module_bank.
323 * We have to do it before config_Load*() because this also gets the
324 * list of configuration options exported by each module and loads their
327 module_LoadBuiltins( p_vlc );
328 module_LoadPlugins( p_vlc );
329 msg_Dbg( p_vlc, "module bank initialized, found %i modules",
330 p_vlc->p_module_bank->i_count );
332 /* Hack: insert the help module here */
333 p_help_module->next = p_vlc->p_module_bank->first;
334 p_vlc->p_module_bank->first = p_help_module;
337 /* Check for help on modules */
338 if( (p_tmp = config_GetPsz( p_vlc, "module" )) )
340 Usage( p_vlc, p_tmp );
342 p_vlc->p_module_bank->first = p_help_module->next;
343 config_Free( p_help_module );
344 vlc_object_destroy( p_help_module );
345 module_EndBank( p_vlc );
346 msg_Destroy( p_vlc );
350 /* Check for long help option */
351 if( config_GetInt( p_vlc, "longhelp" ) )
353 Usage( p_vlc, NULL );
354 p_vlc->p_module_bank->first = p_help_module->next;
355 config_Free( p_help_module );
356 vlc_object_destroy( p_help_module );
357 module_EndBank( p_vlc );
358 msg_Destroy( p_vlc );
362 /* Check for module list option */
363 if( config_GetInt( p_vlc, "list" ) )
365 ListModules( p_vlc );
366 p_vlc->p_module_bank->first = p_help_module->next;
367 config_Free( p_help_module );
368 vlc_object_destroy( p_help_module );
369 module_EndBank( p_vlc );
370 msg_Destroy( p_vlc );
374 /* Hack: remove the help module here */
375 p_vlc->p_module_bank->first = p_help_module->next;
376 config_Free( p_help_module );
377 vlc_object_destroy( p_help_module );
381 * Override default configuration with config file settings
383 p_vlc->psz_homedir = config_GetHomeDir();
384 config_LoadConfigFile( p_vlc, NULL );
387 * Override configuration with command line settings
389 if( config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_FALSE ) )
393 /* Pause the console because it's destroyed when we exit */
394 fprintf( stderr, "The command line options couldn't be loaded, check "
395 "that they are valid.\nPress the RETURN key to continue..." );
398 module_EndBank( p_vlc );
399 msg_Destroy( p_vlc );
404 * System specific configuration
406 system_Configure( p_vlc );
409 * Output messages that may still be in the queue
411 p_vlc->b_verbose = config_GetInt( p_vlc, "verbose" );
412 p_vlc->b_quiet = config_GetInt( p_vlc, "quiet" );
413 p_vlc->b_color = config_GetInt( p_vlc, "color" );
416 /* p_vlc inititalization. FIXME ? */
417 p_vlc->i_desync = config_GetInt( p_vlc, "desync" ) * (mtime_t)1000;
418 #if defined( __i386__ )
419 if( !config_GetInt( p_vlc, "mmx" ) )
420 p_vlc->i_cpu &= ~CPU_CAPABILITY_MMX;
421 if( !config_GetInt( p_vlc, "3dn" ) )
422 p_vlc->i_cpu &= ~CPU_CAPABILITY_3DNOW;
423 if( !config_GetInt( p_vlc, "mmxext" ) )
424 p_vlc->i_cpu &= ~CPU_CAPABILITY_MMXEXT;
425 if( !config_GetInt( p_vlc, "sse" ) )
426 p_vlc->i_cpu &= ~CPU_CAPABILITY_SSE;
428 #if defined( __powerpc__ ) || defined( SYS_DARWIN )
429 if( !config_GetInt( p_vlc, "altivec" ) )
430 p_vlc->i_cpu &= ~CPU_CAPABILITY_ALTIVEC;
433 #define PRINT_CAPABILITY( capability, string ) \
434 if( p_vlc->i_cpu & capability ) \
436 strncat( p_capabilities, string " ", \
437 sizeof(p_capabilities) - strlen(p_capabilities) ); \
438 p_capabilities[sizeof(p_capabilities) - 1] = '\0'; \
441 p_capabilities[0] = '\0';
442 PRINT_CAPABILITY( CPU_CAPABILITY_486, "486" );
443 PRINT_CAPABILITY( CPU_CAPABILITY_586, "586" );
444 PRINT_CAPABILITY( CPU_CAPABILITY_PPRO, "Pentium Pro" );
445 PRINT_CAPABILITY( CPU_CAPABILITY_MMX, "MMX" );
446 PRINT_CAPABILITY( CPU_CAPABILITY_3DNOW, "3DNow!" );
447 PRINT_CAPABILITY( CPU_CAPABILITY_MMXEXT, "MMXEXT" );
448 PRINT_CAPABILITY( CPU_CAPABILITY_SSE, "SSE" );
449 PRINT_CAPABILITY( CPU_CAPABILITY_ALTIVEC, "AltiVec" );
450 PRINT_CAPABILITY( CPU_CAPABILITY_FPU, "FPU" );
451 msg_Dbg( p_vlc, "CPU has capabilities %s", p_capabilities );
454 * Choose the best memcpy module
456 p_vlc->p_memcpy_module = module_Need( p_vlc, "memcpy", "$memcpy" );
458 if( p_vlc->p_memcpy_module == NULL )
460 msg_Warn( p_vlc, "no suitable memcpy module, using libc default" );
461 p_vlc->pf_memcpy = memcpy;
465 * Initialize shared resources and libraries
467 if( config_GetInt( p_vlc, "network-channel" )
468 && network_ChannelCreate( p_vlc ) )
470 /* On error during Channels initialization, switch off channels */
472 "channels initialization failed, deactivating channels" );
473 config_PutInt( p_vlc, "network-channel", VLC_FALSE );
477 * Initialize playlist and get commandline files
479 p_playlist = playlist_Create( p_vlc );
482 msg_Err( p_vlc, "playlist initialization failed" );
483 if( p_vlc->p_memcpy_module != NULL )
485 module_Unneed( p_vlc, p_vlc->p_memcpy_module );
487 module_EndBank( p_vlc );
488 msg_Destroy( p_vlc );
492 /* Update the handle status */
493 p_vlc->i_status = VLC_STATUS_STOPPED;
496 * Get input filenames given as commandline arguments
498 GetFilenames( p_vlc, i_argc, ppsz_argv );
503 /*****************************************************************************
505 *****************************************************************************
506 * XXX: This function opens an interface plugin and runs it. If b_block is set
507 * to 0, vlc_add_intf will return immediately and let the interface run in a
508 * separate thread. If b_block is set to 1, vlc_add_intf will continue until
509 * user requests to quit.
510 *****************************************************************************/
511 vlc_error_t vlc_run( void )
513 return vlc_run_r( ( i_vlc == 1 ) ? *pp_vlc : NULL );
516 vlc_error_t vlc_run_r( vlc_t *p_vlc )
518 /* Check that the handle is valid */
519 if( !p_vlc || p_vlc->i_status != VLC_STATUS_STOPPED )
521 fprintf( stderr, "error: invalid status (!STOPPED)\n" );
525 /* Update the handle status */
526 p_vlc->i_status = VLC_STATUS_RUNNING;
531 /*****************************************************************************
532 * vlc_add_intf: add an interface
533 *****************************************************************************
534 * This function opens an interface plugin and runs it. If b_block is set
535 * to 0, vlc_add_intf will return immediately and let the interface run in a
536 * separate thread. If b_block is set to 1, vlc_add_intf will continue until
537 * user requests to quit.
538 *****************************************************************************/
539 vlc_error_t vlc_add_intf( const char *psz_module, vlc_bool_t b_block )
541 return vlc_add_intf_r( ( i_vlc == 1 ) ? *pp_vlc : NULL,
542 psz_module, b_block );
545 vlc_error_t vlc_add_intf_r( vlc_t *p_vlc, const char *psz_module,
549 intf_thread_t *p_intf;
550 char *psz_oldmodule = NULL;
552 /* Check that the handle is valid */
553 if( !p_vlc || p_vlc->i_status != VLC_STATUS_RUNNING )
555 fprintf( stderr, "error: invalid status (!RUNNING)\n" );
561 psz_oldmodule = config_GetPsz( p_vlc, "intf" );
562 config_PutPsz( p_vlc, "intf", psz_module );
565 /* Try to create the interface */
566 p_intf = intf_Create( p_vlc );
570 config_PutPsz( p_vlc, "intf", psz_oldmodule );
573 free( psz_oldmodule );
579 msg_Err( p_vlc, "interface initialization failed" );
583 /* Try to run the interface */
584 p_intf->b_block = b_block;
585 err = intf_RunThread( p_intf );
588 vlc_object_detach_all( p_intf );
589 intf_Destroy( p_intf );
596 /*****************************************************************************
597 * vlc_stop: stop playing.
598 *****************************************************************************
599 * This function requests the interface threads to finish, waits for their
600 * termination, and destroys their structure.
601 *****************************************************************************/
602 vlc_error_t vlc_stop( void )
604 return vlc_stop_r( ( i_vlc == 1 ) ? *pp_vlc : NULL );
607 vlc_error_t vlc_stop_r( vlc_t *p_vlc )
609 intf_thread_t *p_intf;
610 playlist_t *p_playlist;
611 vout_thread_t *p_vout;
612 aout_instance_t *p_aout;
614 /* Check that the handle is valid */
615 if( !p_vlc || p_vlc->i_status != VLC_STATUS_RUNNING )
617 fprintf( stderr, "error: invalid status (!RUNNING)\n" );
622 * Ask the interfaces to stop and destroy them
624 msg_Dbg( p_vlc, "removing all interfaces" );
625 while( (p_intf = vlc_object_find( p_vlc, VLC_OBJECT_INTF, FIND_CHILD )) )
627 intf_StopThread( p_intf );
628 vlc_object_detach_all( p_intf );
629 vlc_object_release( p_intf );
630 intf_Destroy( p_intf );
636 msg_Dbg( p_vlc, "removing all playlists" );
637 while( (p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST,
640 vlc_object_detach_all( p_playlist );
641 vlc_object_release( p_playlist );
642 playlist_Destroy( p_playlist );
648 msg_Dbg( p_vlc, "removing all video outputs" );
649 while( (p_vout = vlc_object_find( p_vlc, VLC_OBJECT_VOUT, FIND_CHILD )) )
651 vlc_object_detach_all( p_vout );
652 vlc_object_release( p_vout );
653 vout_DestroyThread( p_vout );
659 msg_Dbg( p_vlc, "removing all audio outputs" );
660 while( (p_aout = vlc_object_find( p_vlc, VLC_OBJECT_AOUT, FIND_CHILD )) )
662 vlc_object_detach_all( (vlc_object_t *)p_aout );
663 vlc_object_release( (vlc_object_t *)p_aout );
664 aout_DeleteInstance( p_aout );
667 /* Update the handle status */
668 p_vlc->i_status = VLC_STATUS_STOPPED;
673 /*****************************************************************************
674 * vlc_end: uninitialize everything.
675 *****************************************************************************
676 * This function uninitializes every vlc component that was activated in
677 * vlc_init: audio and video outputs, playlist, module bank and message queue.
678 *****************************************************************************/
679 vlc_error_t vlc_end( void )
681 return vlc_end_r( ( i_vlc == 1 ) ? *pp_vlc : NULL );
684 vlc_error_t vlc_end_r( vlc_t *p_vlc )
686 /* Check that the handle is valid */
687 if( !p_vlc || p_vlc->i_status != VLC_STATUS_STOPPED )
689 fprintf( stderr, "error: invalid status (!STOPPED)\n" );
694 * Go back into channel 0 which is the network
696 if( config_GetInt( p_vlc, "network-channel" ) && p_vlc->p_channel )
698 network_ChannelJoin( p_vlc, COMMON_CHANNEL );
702 * Free allocated memory
704 if( p_vlc->p_memcpy_module != NULL )
706 module_Unneed( p_vlc, p_vlc->p_memcpy_module );
709 free( p_vlc->psz_homedir );
714 module_EndBank( p_vlc );
717 * System specific cleaning code
722 * Terminate messages interface and program
724 msg_Destroy( p_vlc );
726 /* Update the handle status */
727 p_vlc->i_status = VLC_STATUS_CREATED;
732 /*****************************************************************************
733 * vlc_destroy: free allocated resources.
734 *****************************************************************************
735 * This function frees the previously allocated vlc_t structure.
736 *****************************************************************************/
737 vlc_error_t vlc_destroy( void )
739 return vlc_destroy_r( ( i_vlc == 1 ) ? *pp_vlc : NULL );
742 vlc_error_t vlc_destroy_r( vlc_t *p_vlc )
746 /* Check that the handle is valid */
747 if( !p_vlc || p_vlc->i_status != VLC_STATUS_CREATED )
749 fprintf( stderr, "error: invalid status (!CREATED)\n" );
753 /* Update the handle status, just in case */
754 p_vlc->i_status = VLC_STATUS_NONE;
756 /* Remove our structure from the global list */
757 vlc_mutex_lock( p_vlc->p_global_lock );
758 for( i_index = 0 ; i_index < i_vlc ; i_index++ )
760 if( pp_vlc[ i_index ] == p_vlc )
766 if( i_index == i_vlc )
768 fprintf( stderr, "error: trying to unregister %p which is not in "
769 "the list\n", (void *)p_vlc );
770 vlc_mutex_unlock( p_vlc->p_global_lock );
771 vlc_object_destroy( p_vlc );
775 for( i_index++ ; i_index < i_vlc ; i_index++ )
777 pp_vlc[ i_index - 1 ] = pp_vlc[ i_index ];
783 pp_vlc = realloc( pp_vlc, i_vlc * sizeof( vlc_t * ) );
790 vlc_mutex_unlock( p_vlc->p_global_lock );
792 /* Stop thread system: last one out please shut the door! */
793 vlc_threads_end( p_vlc );
795 /* Destroy mutexes */
796 vlc_mutex_destroy( &p_vlc->structure_lock );
797 vlc_mutex_destroy( &p_vlc->config_lock );
799 vlc_object_destroy( p_vlc );
804 vlc_status_t vlc_status( void )
806 return vlc_status_r( ( i_vlc == 1 ) ? *pp_vlc : NULL );
809 vlc_status_t vlc_status_r( vlc_t *p_vlc )
813 return VLC_STATUS_NONE;
816 return p_vlc->i_status;
819 vlc_error_t vlc_add_target( const char *psz_target, int i_mode, int i_pos )
821 return vlc_add_target_r( ( i_vlc == 1 ) ? *pp_vlc : NULL,
822 psz_target, i_mode, i_pos );
825 vlc_error_t vlc_add_target_r( vlc_t *p_vlc, const char *psz_target,
826 int i_mode, int i_pos )
829 playlist_t *p_playlist;
831 if( !p_vlc || ( p_vlc->i_status != VLC_STATUS_STOPPED
832 && p_vlc->i_status != VLC_STATUS_RUNNING ) )
834 fprintf( stderr, "error: invalid status (!STOPPED&&!RUNNING)\n" );
838 p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
840 if( p_playlist == NULL )
842 msg_Dbg( p_vlc, "no playlist present, creating one" );
843 p_playlist = playlist_Create( p_vlc );
845 if( p_playlist == NULL )
850 vlc_object_yield( p_playlist );
853 err = playlist_Add( p_playlist, psz_target, i_mode, i_pos );
855 vlc_object_release( p_playlist );
860 /* following functions are local */
862 /*****************************************************************************
863 * GetFilenames: parse command line options which are not flags
864 *****************************************************************************
865 * Parse command line for input files.
866 *****************************************************************************/
867 static int GetFilenames( vlc_t *p_vlc, int i_argc, char *ppsz_argv[] )
871 /* We assume that the remaining parameters are filenames */
872 for( i_opt = optind; i_opt < i_argc; i_opt++ )
874 vlc_add_target_r( p_vlc, ppsz_argv[ i_opt ],
875 PLAYLIST_APPEND, PLAYLIST_END );
881 /*****************************************************************************
882 * Usage: print program usage
883 *****************************************************************************
884 * Print a short inline help. Message interface is initialized at this stage.
885 *****************************************************************************/
886 static void Usage( vlc_t *p_this, const char *psz_module_name )
888 #define FORMAT_STRING " --%s%s%s%s%s%s%s %s%s\n"
889 /* option name -------------' | | | | | |
890 * <bra --------------------------' | | | | |
891 * option type or "" ---------------' | | | |
892 * ket> ------------------------------' | | |
893 * padding spaces ----------------------' | |
894 * comment --------------------------------' |
895 * comment suffix ---------------------------'
897 * The purpose of having bra and ket is that we might i18n them as well.
900 #define PADDING_SPACES 25
902 module_config_t *p_item;
903 char psz_spaces[PADDING_SPACES+LINE_START+1];
904 char psz_format[sizeof(FORMAT_STRING)];
906 memset( psz_spaces, ' ', PADDING_SPACES+LINE_START );
907 psz_spaces[PADDING_SPACES+LINE_START] = '\0';
909 strcpy( psz_format, FORMAT_STRING );
915 /* Enumerate the config for each module */
916 for( p_module = p_this->p_vlc->p_module_bank->first ;
918 p_module = p_module->next )
920 vlc_bool_t b_help_module = !strcmp( "help", p_module->psz_object_name );
922 if( psz_module_name && strcmp( psz_module_name,
923 p_module->psz_object_name ) )
928 /* Ignore modules without config options */
929 if( !p_module->i_config_items )
934 /* Print module name */
935 fprintf( stderr, _("%s module options:\n\n"),
936 p_module->psz_object_name );
938 for( p_item = p_module->p_config;
939 p_item->i_type != CONFIG_HINT_END;
942 char *psz_bra = NULL, *psz_type = NULL, *psz_ket = NULL;
943 char *psz_suf = "", *psz_prefix = NULL;
946 switch( p_item->i_type )
948 case CONFIG_HINT_CATEGORY:
949 case CONFIG_HINT_USAGE:
950 fprintf( stderr, " %s\n", p_item->psz_text );
953 case CONFIG_ITEM_STRING:
954 case CONFIG_ITEM_FILE:
955 case CONFIG_ITEM_MODULE: /* We could also have "=<" here */
956 if( !p_item->ppsz_list )
958 psz_bra = " <"; psz_type = _("string"); psz_ket = ">";
964 psz_type = malloc( 1000 );
965 memset( psz_type, 0, 1000 );
966 for( i=0; p_item->ppsz_list[i]; i++ )
968 strcat( psz_type, p_item->ppsz_list[i] );
969 strcat( psz_type, "|" );
971 psz_type[ strlen( psz_type ) - 1 ] = '\0';
975 case CONFIG_ITEM_INTEGER:
976 psz_bra = " <"; psz_type = _("integer"); psz_ket = ">";
978 case CONFIG_ITEM_FLOAT:
979 psz_bra = " <"; psz_type = _("float"); psz_ket = ">";
981 case CONFIG_ITEM_BOOL:
982 psz_bra = ""; psz_type = ""; psz_ket = "";
985 psz_suf = p_item->i_value ? _(" (default enabled)") :
986 _(" (default disabled)");
991 /* Add short option */
992 if( p_item->i_short )
995 psz_format[3] = p_item->i_short;
1000 psz_format[2] = ' ';
1001 psz_format[3] = ' ';
1002 psz_format[4] = ' ';
1007 i = PADDING_SPACES - strlen( p_item->psz_name )
1008 - strlen( psz_bra ) - strlen( psz_type )
1009 - strlen( psz_ket ) - 1;
1010 if( p_item->i_type == CONFIG_ITEM_BOOL
1013 vlc_bool_t b_dash = VLC_FALSE;
1014 psz_prefix = p_item->psz_name;
1015 while( *psz_prefix )
1017 if( *psz_prefix++ == '-' )
1026 psz_prefix = ", --no-";
1027 i -= strlen( p_item->psz_name ) + strlen( ", --no-" );
1031 psz_prefix = ", --no";
1032 i -= strlen( p_item->psz_name ) + strlen( ", --no" );
1039 psz_spaces[i] = '\n';
1043 psz_spaces[i] = '\0';
1046 if( p_item->i_type == CONFIG_ITEM_BOOL &&
1049 fprintf( stderr, psz_format, p_item->psz_name, psz_prefix,
1050 p_item->psz_name, psz_bra, psz_type, psz_ket,
1051 psz_spaces, p_item->psz_text, psz_suf );
1055 fprintf( stderr, psz_format, p_item->psz_name, "", "",
1056 psz_bra, psz_type, psz_ket, psz_spaces,
1057 p_item->psz_text, psz_suf );
1059 psz_spaces[i] = ' ';
1060 if ( p_item->ppsz_list )
1067 fprintf( stderr, "\n" );
1071 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
1072 fprintf( stderr, _("\nPress the RETURN key to continue...\n") );
1077 /*****************************************************************************
1078 * ListModules: list the available modules with their description
1079 *****************************************************************************
1080 * Print a list of all available modules (builtins and plugins) and a short
1081 * description for each one.
1082 *****************************************************************************/
1083 static void ListModules( vlc_t *p_this )
1086 char psz_spaces[22];
1088 memset( psz_spaces, ' ', 22 );
1095 fprintf( stderr, _("Usage: %s [options] [parameters] [file]...\n\n"),
1096 p_this->p_vlc->psz_object_name );
1098 fprintf( stderr, _("[module] [description]\n") );
1100 /* Enumerate each module */
1101 for( p_module = p_this->p_vlc->p_module_bank->first ;
1103 p_module = p_module->next )
1107 /* Nasty hack, but right now I'm too tired to think about a nice
1109 i = 22 - strlen( p_module->psz_object_name ) - 1;
1113 fprintf( stderr, " %s%s %s\n", p_module->psz_object_name, psz_spaces,
1114 p_module->psz_longname );
1116 psz_spaces[i] = ' ';
1120 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
1121 fprintf( stderr, _("\nPress the RETURN key to continue...\n") );
1126 /*****************************************************************************
1127 * Version: print complete program version
1128 *****************************************************************************
1129 * Print complete program version and build number.
1130 *****************************************************************************/
1131 static void Version( void )
1137 fprintf( stderr, VERSION_MESSAGE "\n" );
1139 _("This program comes with NO WARRANTY, to the extent permitted by "
1140 "law.\nYou may redistribute it under the terms of the GNU General "
1141 "Public License;\nsee the file named COPYING for details.\n"
1142 "Written by the VideoLAN team at Ecole Centrale, Paris.\n") );
1144 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
1145 fprintf( stderr, _("\nPress the RETURN key to continue...\n") );
1150 /*****************************************************************************
1151 * ShowConsole: On Win32, create an output console for debug messages
1152 *****************************************************************************
1153 * This function is useful only on Win32.
1154 *****************************************************************************/
1156 static void ShowConsole( void )
1159 freopen( "CONOUT$", "w", stdout );
1160 freopen( "CONOUT$", "w", stderr );
1161 freopen( "CONIN$", "r", stdin );
1167 /*****************************************************************************
1168 * InitSignalHandler: system signal handler initialization
1169 *****************************************************************************
1170 * Set the signal handlers. SIGTERM is not intercepted, because we need at
1171 * at least a method to kill the program when all other methods failed, and
1172 * when we don't want to use SIGKILL.
1173 *****************************************************************************/
1174 static void InitSignalHandler( void )
1176 /* Termination signals */
1177 signal( SIGINT, FatalSignalHandler );
1178 signal( SIGHUP, FatalSignalHandler );
1179 signal( SIGQUIT, FatalSignalHandler );
1182 signal( SIGALRM, SimpleSignalHandler );
1183 signal( SIGPIPE, SimpleSignalHandler );
1186 /*****************************************************************************
1187 * SimpleSignalHandler: system signal handler
1188 *****************************************************************************
1189 * This function is called when a non fatal signal is received by the program.
1190 *****************************************************************************/
1191 static void SimpleSignalHandler( int i_signal )
1195 /* Acknowledge the signal received and warn all the p_vlc structures */
1196 vlc_mutex_lock( &global_lock );
1197 for( i_index = 0 ; i_index < i_vlc ; i_index++ )
1199 msg_Warn( pp_vlc[ i_index ], "ignoring signal %d", i_signal );
1201 vlc_mutex_unlock( &global_lock );
1204 /*****************************************************************************
1205 * FatalSignalHandler: system signal handler
1206 *****************************************************************************
1207 * This function is called when a fatal signal is received by the program.
1208 * It tries to end the program in a clean way.
1209 *****************************************************************************/
1210 static void FatalSignalHandler( int i_signal )
1212 static mtime_t abort_time = 0;
1213 static volatile vlc_bool_t b_die = VLC_FALSE;
1216 /* Once a signal has been trapped, the termination sequence will be
1217 * armed and following signals will be ignored to avoid sending messages
1218 * to an interface having been destroyed */
1223 abort_time = mdate();
1225 fprintf( stderr, "signal %d received, terminating libvlc - do it "
1226 "again in case your process gets stuck\n", i_signal );
1228 /* Try to terminate everything - this is done by requesting the end of
1229 * all the p_vlc structures */
1230 for( i_index = 0 ; i_index < i_vlc ; i_index++ )
1232 /* Acknowledge the signal received */
1233 pp_vlc[ i_index ]->b_die = VLC_TRUE;
1236 else if( mdate() > abort_time + 1000000 )
1238 /* If user asks again 1 second later, die badly */
1239 signal( SIGINT, SIG_IGN );
1240 signal( SIGHUP, SIG_IGN );
1241 signal( SIGQUIT, SIG_IGN );
1243 fprintf( stderr, "user insisted too much, dying badly\n" );