1 /*****************************************************************************
2 * main.c: main vlc source
3 * Includes the main() function for vlc. Parses command line, start interface
5 *****************************************************************************
6 * Copyright (C) 1998-2001 VideoLAN
7 * $Id: main.c,v 1.187 2002/04/24 00:36:24 sam Exp $
9 * Authors: Vincent Seguin <seguin@via.ecp.fr>
10 * Samuel Hocevar <sam@zoy.org>
11 * Gildas Bazin <gbazin@netcourrier.com>
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
26 *****************************************************************************/
28 /*****************************************************************************
30 *****************************************************************************/
31 #include <signal.h> /* SIGHUP, SIGINT, SIGKILL */
32 #include <stdio.h> /* sprintf() */
33 #include <setjmp.h> /* longjmp, setjmp */
35 #include <videolan/vlc.h>
37 #ifdef HAVE_GETOPT_LONG
39 # include <getopt.h> /* getopt() */
42 # include "GNUgetopt/getopt.h"
46 # include <mach/mach.h> /* Altivec detection */
47 # include <mach/mach_error.h> /* some day the header files||compiler *
48 will define it for us */
49 # include <mach/bootstrap.h>
53 # include <netinet/in.h> /* BSD: struct in_addr */
58 #elif defined( _MSC_VER ) && defined( _WIN32 )
66 #include <errno.h> /* ENOMEM */
67 #include <stdlib.h> /* getenv(), strtol(), */
68 #include <string.h> /* strerror() */
70 #include "netutils.h" /* network_ChannelJoin */
72 #include "stream_control.h"
73 #include "input_ext-intf.h"
75 #include "intf_playlist.h"
76 #include "interface.h"
78 #include "audio_output.h"
81 #include "video_output.h"
85 /*****************************************************************************
86 * Configuration options for the main program. Each module will also separatly
87 * define its own configuration options.
88 * Look into configuration.h if you need to know more about the following
91 *****************************************************************************/
93 #define MODULE_NAME main
94 #include "modules_inner.h" /* for configuration stuff */
97 #define INTF_TEXT N_("interface module")
98 #define INTF_LONGTEXT N_( \
99 "This option allows you to select the interface used by vlc.\nNote that " \
100 "the default behavior is to automatically select the best method " \
103 #define WARNING_TEXT N_("warning level (or use -v, -vv, etc...)")
104 #define WARNING_LONGTEXT N_( \
105 "Increasing the warning level will allow you to see more debug messages " \
106 "and can sometimes help you to troubleshoot a problem.")
108 #define STATS_TEXT N_("output statistics")
109 #define STATS_LONGTEXT N_( \
110 "Enabling the stats mode will flood your log console with various " \
111 "statistics messages.")
113 #define INTF_PATH_TEXT N_("interface default search path")
114 #define INTF_PATH_LONGTEXT N_( \
115 "This option allows you to set the default path that the interface will " \
116 "open when looking for a file.")
118 #define AOUT_TEXT N_("audio output module")
119 #define AOUT_LONGTEXT N_( \
120 "This option allows you to select the audio audio output method used by " \
121 "vlc.\nNote that the default behavior is to automatically select the " \
122 "best method available.")
124 #define NOAUDIO_TEXT N_("disable audio")
125 #define NOAUDIO_LONGTEXT N_( \
126 "This will completely disable the audio output. The audio decoding " \
127 "stage shouldn't even be done, so it can allow you to save some " \
130 #define MONO_TEXT N_("mono audio")
131 #define MONO_LONGTEXT N_("This will force a mono audio output")
133 #define VOLUME_TEXT N_("audio output volume")
134 #define VOLUME_LONGTEXT N_( \
135 "You can set the default audio output volume here, in a range from 0 to " \
138 #define FORMAT_TEXT N_("audio output format")
139 #define FORMAT_LONGTEXT N_( \
140 "You can force the audio output format here.\n" \
141 "0 -> 16 bits signed native endian (default)\n" \
142 "1 -> 8 bits unsigned\n" \
143 "2 -> 16 bits signed little endian\n" \
144 "3 -> 16 bits signed big endian\n" \
145 "4 -> 8 bits signed\n" \
146 "5 -> 16 bits unsigned little endian\n" \
147 "6 -> 16 bits unsigned big endian\n" \
148 "7 -> mpeg2 audio (unsupported)\n" \
149 "8 -> ac3 pass-through")
151 #define RATE_TEXT N_("audio output frequency (Hz)")
152 #define RATE_LONGTEXT N_( \
153 "You can force the audio output frequency here.\nCommon values are " \
154 "48000, 44100, 32000, 22050, 16000, 11025, 8000.")
156 #define DESYNC_TEXT N_("compensate desynchronization of audio (in ms)")
157 #define DESYNC_LONGTEXT N_( \
158 "This option allows you to delay the audio output. This can be handy if " \
159 "you notice a lag between the video and the audio.")
161 #define VOUT_TEXT N_("video output module")
162 #define VOUT_LONGTEXT N_( \
163 "This option allows you to select the video output method used by vlc.\n" \
164 "Note that the default behavior is to automatically select the best " \
167 #define NOVIDEO_TEXT N_("disable video")
168 #define NOVIDEO_LONGTEXT N_( \
169 "This will completely disable the video output. The video decoding " \
170 "stage shouldn't even be done, so it can allow you to save some " \
173 #define DISPLAY_TEXT N_("display identifier")
174 #define DISPLAY_LONGTEXT ""
176 #define WIDTH_TEXT N_("video width")
177 #define WIDTH_LONGTEXT N_( \
178 "You can enforce the video width here.\nNote that by default vlc will " \
179 "adapt to the video characteristics.")
181 #define HEIGHT_TEXT N_("video height")
182 #define HEIGHT_LONGTEXT N_( \
183 "You can enforce the video height here.\nNote that by default vlc will " \
184 "adapt to the video characteristics.")
186 #define ZOOM_TEXT N_("zoom video")
187 #define ZOOM_LONGTEXT N_( \
188 "You can zoom the video by the specified factor.")
190 #define GRAYSCALE_TEXT N_("grayscale video output")
191 #define GRAYSCALE_LONGTEXT N_( \
192 "Using this option, vlc will not decode the color information from the " \
193 "video (this can also allow you to save some processing power).")
195 #define FULLSCREEN_TEXT N_("fullscreen video output")
196 #define FULLSCREEN_LONGTEXT N_( \
197 "If this option is enabled, vlc will always start a video in fullscreen " \
200 #define NOOVERLAY_TEXT N_("disable hardware acceleration for the video output")
201 #define NOOVERLAY_LONGTEXT N_( \
202 "By default vlc will try to take advantage of the overlay capabilities " \
203 "of you graphics card.")
205 #define SPUMARGIN_TEXT N_("force SPU position")
206 #define SPUMARGIN_LONGTEXT ""
208 #define FILTER_TEXT N_("video filter module")
209 #define FILTER_LONGTEXT ""
211 #define SERVER_PORT_TEXT N_("server port")
212 #define SERVER_PORT_LONGTEXT ""
214 #define NETCHANNEL_TEXT N_("enable network channel mode")
215 #define NETCHANNEL_LONGTEXT ""
217 #define CHAN_SERV_TEXT N_("channel server address")
218 #define CHAN_SERV_LONGTEXT ""
220 #define CHAN_PORT_TEXT N_("channel server port")
221 #define CHAN_PORT_LONGTEXT ""
223 #define IFACE_TEXT N_("network interface")
224 #define IFACE_LONGTEXT ""
226 #define INPUT_PROGRAM_TEXT N_("choose program (SID)")
227 #define INPUT_PROGRAM_LONGTEXT N_( \
228 "Choose the program to select by giving its Service ID.")
230 #define INPUT_AUDIO_TEXT N_("choose audio")
231 #define INPUT_AUDIO_LONGTEXT ""
233 #define INPUT_CHAN_TEXT N_("choose channel")
234 #define INPUT_CHAN_LONGTEXT ""
236 #define INPUT_SUBT_TEXT N_("choose subtitles")
237 #define INPUT_SUBT_LONGTEXT ""
239 #define DVD_DEV_TEXT N_("DVD device")
240 #define DVD_DEV_LONGTEXT ""
242 #define VCD_DEV_TEXT N_("VCD device")
243 #define VCD_DEV_LONGTEXT ""
245 #define IPV6_TEXT N_("force IPv6")
246 #define IPV6_LONGTEXT ""
248 #define IPV4_TEXT N_("force IPv4")
249 #define IPV4_LONGTEXT ""
251 #define ADEC_MPEG_TEXT N_("choose MPEG audio decoder")
252 #define ADEC_MPEG_LONGTEXT ""
254 #define ADEC_AC3_TEXT N_("choose AC3 audio decoder")
255 #define ADEC_AC3_LONGTEXT ""
257 #define VDEC_SMP_TEXT N_("use additional processors")
258 #define VDEC_SMP_LONGTEXT ""
260 #define VPAR_SYNCHRO_TEXT N_("force synchro algorithm {I|I+|IP|IP+|IPB}")
261 #define VPAR_SYNCHRO_LONGTEXT ""
263 #define NOMMX_TEXT N_("disable CPU's MMX support")
264 #define NOMMX_LONGTEXT ""
266 #define NO3DN_TEXT N_("disable CPU's 3D Now! support")
267 #define NO3DN_LONGTEXT ""
269 #define NOMMXEXT_TEXT N_("disable CPU's MMX EXT support")
270 #define NOMMXEXT_LONGTEXT ""
272 #define NOSSE_TEXT N_("disable CPU's SSE support")
273 #define NOSSE_LONGTEXT ""
275 #define NOALTIVEC_TEXT N_("disable CPU's AltiVec support")
276 #define NOALTIVEC_LONGTEXT ""
278 #define PLAYLIST_LAUNCH_TEXT N_("launch playlist on startup")
279 #define PLAYLIST_LAUNCH_LONGTEXT ""
281 #define PLAYLIST_ENQUEUE_TEXT N_("enqueue playlist as default")
282 #define PLAYLIST_ENQUEUE_LONGTEXT ""
284 #define PLAYLIST_LOOP_TEXT N_("loop playlist on end")
285 #define PLAYLIST_LOOP_LONGTEXT ""
287 #define MEMCPY_TEXT N_("memory copy module")
288 #define MEMCPY_LONGTEXT ""
290 #define FAST_PTHREAD_TEXT N_("fast pthread on NT/2K/XP (developpers only)")
291 #define FAST_PTHREAD_LONGTEXT N_( \
292 "On Windows NT/2K/XP we use a slow but correct pthread implementation, " \
293 "you can also use this faster implementation but you might experience " \
297 * Quick usage guide for the configuration options:
299 * MODULE_CONFIG_START
301 * ADD_CATEGORY_HINT( N_(text), longtext )
302 * ADD_SUBCATEGORY_HINT( N_(text), longtext )
303 * ADD_STRING( option_name, value, p_callback, N_(text), N_(longtext) )
304 * ADD_FILE( option_name, psz_value, p_callback, N_(text), N_(longtext) )
305 * ADD_MODULE( option_name, psz_value, i_capability, p_callback,
306 * N_(text), N_(longtext) )
307 * ADD_INTEGER( option_name, i_value, p_callback, N_(text), N_(longtext) )
308 * ADD_BOOL( option_name, p_callback, N_(text), N_(longtext) )
313 /* Interface options */
314 ADD_CATEGORY_HINT( N_("Interface"), NULL)
315 ADD_MODULE_WITH_SHORT ( "intf", 'I', MODULE_CAPABILITY_INTF, NULL, NULL, INTF_TEXT, INTF_LONGTEXT )
316 ADD_INTEGER ( "warning", 0, NULL, WARNING_TEXT, WARNING_LONGTEXT )
317 ADD_BOOL ( "stats", NULL, STATS_TEXT, STATS_LONGTEXT )
318 ADD_STRING ( "search-path", NULL, NULL, INTF_PATH_TEXT, INTF_PATH_LONGTEXT )
321 ADD_CATEGORY_HINT( N_("Audio"), NULL)
322 ADD_MODULE_WITH_SHORT ( "aout", 'A', MODULE_CAPABILITY_AOUT, NULL, NULL, AOUT_TEXT, AOUT_LONGTEXT )
323 ADD_BOOL ( "noaudio", NULL, NOAUDIO_TEXT, NOAUDIO_LONGTEXT )
324 ADD_BOOL ( "mono", NULL, MONO_TEXT, MONO_LONGTEXT )
325 ADD_INTEGER ( "volume", VOLUME_DEFAULT, NULL, VOLUME_TEXT, VOLUME_LONGTEXT )
326 ADD_INTEGER ( "rate", 44100, NULL, RATE_TEXT, RATE_LONGTEXT )
327 ADD_INTEGER ( "desync", 0, NULL, DESYNC_TEXT, DESYNC_LONGTEXT )
328 ADD_INTEGER ( "audio-format", 0, NULL, FORMAT_TEXT,
332 ADD_CATEGORY_HINT( N_("Video"), NULL )
333 ADD_MODULE_WITH_SHORT ( "vout", 'V', MODULE_CAPABILITY_VOUT, NULL, NULL, VOUT_TEXT, VOUT_LONGTEXT )
334 ADD_BOOL ( "novideo", NULL, NOVIDEO_TEXT, NOVIDEO_LONGTEXT )
335 ADD_INTEGER ( "width", -1, NULL, WIDTH_TEXT, WIDTH_LONGTEXT )
336 ADD_INTEGER ( "height", -1, NULL, HEIGHT_TEXT, HEIGHT_LONGTEXT )
337 ADD_FLOAT ( "zoom", 1, NULL, ZOOM_TEXT, ZOOM_LONGTEXT )
338 ADD_BOOL ( "grayscale", NULL, GRAYSCALE_TEXT, GRAYSCALE_LONGTEXT )
339 ADD_BOOL ( "fullscreen", NULL, FULLSCREEN_TEXT, FULLSCREEN_LONGTEXT )
340 ADD_BOOL ( "nooverlay", NULL, NOOVERLAY_TEXT, NOOVERLAY_LONGTEXT )
341 ADD_INTEGER ( "spumargin", -1, NULL, SPUMARGIN_TEXT, SPUMARGIN_LONGTEXT )
342 ADD_MODULE ( "filter", MODULE_CAPABILITY_VOUT, NULL, NULL, FILTER_TEXT, FILTER_LONGTEXT )
345 ADD_CATEGORY_HINT( N_("Input"), NULL )
346 ADD_INTEGER ( "server-port", 1234, NULL, SERVER_PORT_TEXT, SERVER_PORT_LONGTEXT )
347 ADD_BOOL ( "network-channel", NULL, NETCHANNEL_TEXT, NETCHANNEL_LONGTEXT )
348 ADD_STRING ( "channel-server", "localhost", NULL, CHAN_SERV_TEXT, CHAN_SERV_LONGTEXT )
349 ADD_INTEGER ( "channel-port", 6010, NULL, CHAN_PORT_TEXT, CHAN_PORT_LONGTEXT )
350 ADD_STRING ( "iface", "eth0", NULL, IFACE_TEXT, IFACE_LONGTEXT )
352 ADD_INTEGER ( "program", 0, NULL, INPUT_PROGRAM_TEXT, INPUT_PROGRAM_LONGTEXT )
353 ADD_INTEGER ( "audio-type", -1, NULL, INPUT_AUDIO_TEXT, INPUT_AUDIO_LONGTEXT )
354 ADD_INTEGER ( "audio-channel", -1, NULL, INPUT_CHAN_TEXT, INPUT_CHAN_LONGTEXT )
355 ADD_INTEGER ( "spu-channel", -1, NULL, INPUT_SUBT_TEXT, INPUT_SUBT_LONGTEXT )
357 ADD_STRING ( "dvd", "/dev/dvd", NULL, DVD_DEV_TEXT, DVD_DEV_LONGTEXT )
358 ADD_STRING ( "vcd", "/dev/cdrom", NULL, VCD_DEV_TEXT, VCD_DEV_LONGTEXT )
360 ADD_BOOL_WITH_SHORT ( "ipv6", '6', NULL, IPV6_TEXT, IPV6_LONGTEXT )
361 ADD_BOOL_WITH_SHORT ( "ipv4", '4', NULL, IPV4_TEXT, IPV4_LONGTEXT )
363 /* Decoder options */
364 ADD_CATEGORY_HINT( N_("Decoders"), NULL )
365 ADD_MODULE ( "mpeg-adec", MODULE_CAPABILITY_DECODER, NULL, NULL, ADEC_MPEG_TEXT, ADEC_MPEG_LONGTEXT )
366 ADD_MODULE ( "ac3-adec", MODULE_CAPABILITY_DECODER, NULL, NULL, ADEC_AC3_TEXT, ADEC_AC3_LONGTEXT )
367 ADD_INTEGER ( "vdec-smp", 0, NULL, VDEC_SMP_TEXT, VDEC_SMP_LONGTEXT )
368 ADD_STRING ( "vpar-synchro", NULL, NULL, VPAR_SYNCHRO_TEXT, VPAR_SYNCHRO_LONGTEXT )
371 ADD_CATEGORY_HINT( N_("CPU"), NULL )
372 ADD_BOOL ( "nommx", NULL, NOMMX_TEXT, NOMMX_LONGTEXT )
373 ADD_BOOL ( "no3dn", NULL, NO3DN_TEXT, NO3DN_LONGTEXT )
374 ADD_BOOL ( "nommxext", NULL, NOMMXEXT_TEXT, NOMMXEXT_LONGTEXT )
375 ADD_BOOL ( "nosse", NULL, NOSSE_TEXT, NOSSE_LONGTEXT )
376 ADD_BOOL ( "noaltivec", NULL, NOALTIVEC_TEXT, NOALTIVEC_LONGTEXT )
378 /* Playlist options */
379 ADD_CATEGORY_HINT( N_("Playlist"), NULL )
380 ADD_BOOL ( "launch-playlist", NULL, PLAYLIST_LAUNCH_TEXT, PLAYLIST_LAUNCH_LONGTEXT )
381 ADD_BOOL ( "enqueue-playlist", NULL, PLAYLIST_ENQUEUE_TEXT, PLAYLIST_ENQUEUE_LONGTEXT )
382 ADD_BOOL ( "loop-playlist", NULL, PLAYLIST_LOOP_TEXT, PLAYLIST_LOOP_LONGTEXT )
385 ADD_CATEGORY_HINT( N_("Miscellaneous"), NULL )
386 ADD_MODULE ( "memcpy", MODULE_CAPABILITY_MEMCPY, NULL, NULL, MEMCPY_TEXT, MEMCPY_LONGTEXT )
387 ADD_MODULE ( "access", MODULE_CAPABILITY_ACCESS, NULL, NULL, "access module", "This is a legacy entry to let you configure access modules" )
388 ADD_MODULE ( "demux", MODULE_CAPABILITY_DEMUX, NULL, NULL, "demux module", "This is a legacy entry to let you configure demux modules" )
391 ADD_BOOL ( "fast_pthread", NULL, FAST_PTHREAD_TEXT, FAST_PTHREAD_LONGTEXT )
397 SET_DESCRIPTION( N_("main program") )
398 ADD_CAPABILITY( MAIN, 100/*whatever*/ )
401 MODULE_ACTIVATE_START
404 MODULE_DEACTIVATE_START
405 MODULE_DEACTIVATE_STOP
407 /* Hack for help options */
408 static module_t help_module;
409 static module_config_t p_help_config[] =
411 { MODULE_CONFIG_ITEM_BOOL, "help", 'h', N_("print help"),
412 NULL, NULL, 0, 0, NULL, NULL, 0 },
413 { MODULE_CONFIG_ITEM_BOOL, "longhelp", 'H', N_("print detailed help"),
414 NULL, NULL, 0, 0, NULL, NULL, 0 },
415 { MODULE_CONFIG_ITEM_BOOL, "list", 'l', N_("print a list of available "
416 "modules"), NULL, NULL, 0, 0, NULL, NULL, 0 },
417 { MODULE_CONFIG_ITEM_STRING, "module", 'p', N_("print help on module "
418 "<string>"), NULL, NULL, 0, 0, NULL, &help_module.config_lock, 0 },
419 { MODULE_CONFIG_ITEM_BOOL, "version", '\0',
420 N_("print version information"), NULL, NULL, 0, 0, NULL, NULL, 0 },
421 { MODULE_CONFIG_HINT_END, NULL, '\0', NULL, NULL, NULL, 0, 0,
425 /*****************************************************************************
427 *****************************************************************************/
429 /*****************************************************************************
430 * Global variables - these are the only ones, see main.h and modules.h
431 *****************************************************************************/
433 p_main_sys_t p_main_sys;
434 module_bank_t *p_module_bank;
435 input_bank_t *p_input_bank;
436 aout_bank_t *p_aout_bank;
437 vout_bank_t *p_vout_bank;
439 /*****************************************************************************
441 *****************************************************************************/
442 static int GetFilenames ( int i_argc, char *ppsz_argv[] );
443 static void Usage ( const char *psz_module_name );
444 static void ListModules ( void );
445 static void Version ( void );
447 static void InitSignalHandler ( void );
448 static void SimpleSignalHandler ( int i_signal );
449 static void FatalSignalHandler ( int i_signal );
450 static void IllegalSignalHandler ( int i_signal );
451 static u32 CPUCapabilities ( void );
454 static void ShowConsole ( void );
458 static int i_illegal;
459 static char *psz_capability;
461 /*****************************************************************************
462 * main: parse command line, start interface and spawn threads
463 *****************************************************************************
464 * Steps during program execution are:
465 * -configuration parsing and messages interface initialization
466 * -opening of audio output device and some global modules
467 * -execution of interface, which exit on error or on user request
468 * -closing of audio output device and some global modules
469 * On error, the spawned threads are canceled, and the open devices closed.
470 *****************************************************************************/
471 int main( int i_argc, char *ppsz_argv[], char *ppsz_env[] )
473 main_t main_data; /* root of all data - see main.h */
474 module_bank_t module_bank;
475 input_bank_t input_bank;
476 aout_bank_t aout_bank;
477 vout_bank_t vout_bank;
480 struct module_config_s *p_item;
482 p_main = &main_data; /* set up the global variables */
483 p_module_bank = &module_bank;
484 p_input_bank = &input_bank;
485 p_aout_bank = &aout_bank;
486 p_vout_bank = &vout_bank;
488 p_main->i_warning_level = 0;
491 * Support for gettext
493 #if defined( ENABLE_NLS ) && defined ( HAVE_GETTEXT )
494 # if defined( HAVE_LOCALE_H ) && defined( HAVE_LC_MESSAGES )
495 if( !setlocale( LC_MESSAGES, "" ) )
497 fprintf( stderr, "warning: unsupported locale settings\n" );
500 setlocale( LC_CTYPE, "" );
503 if( !bindtextdomain( PACKAGE, LOCALEDIR ) )
505 fprintf( stderr, "warning: no domain %s in directory %s\n",
506 PACKAGE, LOCALEDIR );
509 textdomain( PACKAGE );
513 * Initialize threads system
518 * Test if our code is likely to run on this CPU
520 p_main->i_cpu_capabilities = CPUCapabilities();
523 * System specific initialization code
525 #if defined( SYS_BEOS ) || defined( SYS_DARWIN ) || defined( WIN32 )
526 system_Init( &i_argc, ppsz_argv, ppsz_env );
528 #elif defined( SYS_LINUX )
530 /* Activate malloc checking routines to detect heap corruptions. */
531 putenv( "MALLOC_CHECK_=2" );
532 putenv( "GNOME_DISABLE_CRASH_DIALOG=1" );
537 * Initialize messages interface
541 intf_Msg( COPYRIGHT_MESSAGE "\n" );
544 /* Get the executable name (similar to the basename command) */
547 p_main->psz_arg0 = p_tmp = ppsz_argv[ 0 ];
550 if( *p_tmp == '/' ) p_main->psz_arg0 = ++p_tmp;
556 p_main->psz_arg0 = "vlc";
560 * Initialize the module bank and and load the configuration of the main
561 * module. We need to do this at this stage to be able to display a short
562 * help if required by the user. (short help == main module options)
567 /* Hack: insert the help module here */
568 help_module.psz_name = "help";
569 help_module.psz_longname = _( "help module" );
570 help_module.i_config_items =
571 sizeof(p_help_config) / sizeof(module_config_t) - 1;
572 vlc_mutex_init( &help_module.config_lock );
573 help_module.p_config = config_Duplicate( p_help_config );
574 for( p_item = help_module.p_config;
575 p_item->i_type != MODULE_CONFIG_HINT_END;
578 p_item->p_lock = &help_module.config_lock;
580 help_module.next = p_module_bank->first;
581 p_module_bank->first = &help_module;
584 if( config_LoadCmdLine( &i_argc, ppsz_argv, 1 ) )
590 /* Check for short help option */
591 if( config_GetIntVariable( "help" ) )
593 intf_Msg( _("Usage: %s [options] [parameters] [file]...\n"),
601 /* Check for version option */
602 if( config_GetIntVariable( "version" ) )
608 /* Hack: remove the help module here */
609 p_module_bank->first = help_module.next;
613 * Load the builtins and plugins into the module_bank.
614 * We have to do it before config_Load*() because this also gets the
615 * list of configuration options exported by each module and loads their
618 module_LoadBuiltins();
619 module_LoadPlugins();
620 intf_WarnMsg( 2, "module: module bank initialized, found %i modules",
621 p_module_bank->i_count );
623 /* Hack: insert the help module here */
624 help_module.next = p_module_bank->first;
625 p_module_bank->first = &help_module;
628 /* Check for help on modules */
629 if( (p_tmp = config_GetPszVariable( "module" )) )
636 /* Check for long help option */
637 if( config_GetIntVariable( "longhelp" ) )
643 /* Check for module list option */
644 if( config_GetIntVariable( "list" ) )
650 /* Hack: remove the help module here */
651 p_module_bank->first = help_module.next;
656 * Override default configuration with config file settings
658 vlc_mutex_init( &p_main->config_lock );
659 p_main->psz_homedir = config_GetHomeDir();
660 config_LoadConfigFile( NULL );
663 * Override configuration with command line settings
665 if( config_LoadCmdLine( &i_argc, ppsz_argv, 0 ) )
669 /* Pause the console because it's destroyed when we exit */
670 intf_Msg( "The command line options couldn't be loaded, check that "
671 "they are valid.\nPress the RETURN key to continue..." );
680 * System specific configuration
686 /* p_main inititalization. FIXME ? */
687 p_main->i_warning_level = config_GetIntVariable( "warning" );
688 p_main->i_desync = config_GetIntVariable( "desync" ) * (mtime_t)1000;
689 p_main->b_stats = config_GetIntVariable( "stats" );
690 p_main->b_audio = !config_GetIntVariable( "noaudio" );
691 p_main->b_stereo= !config_GetIntVariable( "mono" );
692 p_main->b_video = !config_GetIntVariable( "novideo" );
693 if( config_GetIntVariable( "nommx" ) )
694 p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_MMX;
695 if( config_GetIntVariable( "no3dn" ) )
696 p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_3DNOW;
697 if( config_GetIntVariable( "nommxext" ) )
698 p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_MMXEXT;
699 if( config_GetIntVariable( "nosse" ) )
700 p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_SSE;
701 if( config_GetIntVariable( "noaltivec" ) )
702 p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_ALTIVEC;
705 if( p_main->b_stats )
707 char p_capabilities[200];
708 p_capabilities[0] = '\0';
710 #define PRINT_CAPABILITY( capability, string ) \
711 if( p_main->i_cpu_capabilities & capability ) \
713 strncat( p_capabilities, string " ", \
714 sizeof(p_capabilities) - strlen(p_capabilities) ); \
715 p_capabilities[sizeof(p_capabilities) - 1] = '\0'; \
718 PRINT_CAPABILITY( CPU_CAPABILITY_486, "486" );
719 PRINT_CAPABILITY( CPU_CAPABILITY_586, "586" );
720 PRINT_CAPABILITY( CPU_CAPABILITY_PPRO, "Pentium Pro" );
721 PRINT_CAPABILITY( CPU_CAPABILITY_MMX, "MMX" );
722 PRINT_CAPABILITY( CPU_CAPABILITY_3DNOW, "3DNow!" );
723 PRINT_CAPABILITY( CPU_CAPABILITY_MMXEXT, "MMXEXT" );
724 PRINT_CAPABILITY( CPU_CAPABILITY_SSE, "SSE" );
725 PRINT_CAPABILITY( CPU_CAPABILITY_ALTIVEC, "Altivec" );
726 PRINT_CAPABILITY( CPU_CAPABILITY_FPU, "FPU" );
727 intf_StatMsg( "info: CPU has capabilities : %s", p_capabilities );
731 * Initialize playlist and get commandline files
733 p_main->p_playlist = intf_PlaylistCreate();
734 if( !p_main->p_playlist )
736 intf_ErrMsg( "playlist error: playlist initialization failed" );
740 intf_PlaylistInit( p_main->p_playlist );
743 * Get input filenames given as commandline arguments
745 GetFilenames( i_argc, ppsz_argv );
748 * Initialize input, aout and vout banks
755 * Choose the best memcpy module
757 psz_module = config_GetPszVariable( "memcpy" );
758 p_main->p_memcpy_module = module_Need( MODULE_CAPABILITY_MEMCPY,
760 if( psz_module ) free( psz_module );
761 if( p_main->p_memcpy_module == NULL )
763 intf_ErrMsg( "intf error: no suitable memcpy module, "
764 "using libc default" );
765 p_main->pf_memcpy = memcpy;
769 p_main->pf_memcpy = p_main->p_memcpy_module->p_functions
770 ->memcpy.functions.memcpy.pf_memcpy;
774 * Initialize shared resources and libraries
776 if( config_GetIntVariable( "network-channel" ) &&
777 network_ChannelCreate() )
779 /* On error during Channels initialization, switch off channels */
780 intf_ErrMsg( "intf error: channels initialization failed, "
781 "deactivating channels" );
782 config_PutIntVariable( "network-channel", 0 );
786 * Try to run the interface
788 p_main->p_intf = intf_Create();
789 if( p_main->p_intf == NULL )
791 intf_ErrMsg( "intf error: interface initialization failed" );
796 * Set signal handling policy for all threads
801 * This is the main loop
803 p_main->p_intf->pf_run( p_main->p_intf );
806 * Finished, destroy the interface
808 intf_Destroy( p_main->p_intf );
811 * Go back into channel 0 which is the network
813 if( config_GetIntVariable( "network-channel" ) && p_main->p_channel )
815 network_ChannelJoin( COMMON_CHANNEL );
820 * Free input, aout and vout banks
829 intf_PlaylistDestroy( p_main->p_playlist );
832 * Free memcpy module if it was allocated
834 if( p_main->p_memcpy_module != NULL )
836 module_Unneed( p_main->p_memcpy_module );
845 * System specific cleaning code
847 #if defined( SYS_BEOS ) || defined( SYS_DARWIN ) || defined( WIN32 )
853 * Terminate messages interface and program
855 intf_WarnMsg( 1, "intf: program terminated" );
859 * Stop threads system
867 /* following functions are local */
869 /*****************************************************************************
870 * GetFilenames: parse command line options which are not flags
871 *****************************************************************************
872 * Parse command line for input files.
873 *****************************************************************************/
874 static int GetFilenames( int i_argc, char *ppsz_argv[] )
878 /* We assume that the remaining parameters are filenames */
879 for( i_opt = optind; i_opt < i_argc; i_opt++ )
881 intf_PlaylistAdd( p_main->p_playlist, PLAYLIST_END,
882 ppsz_argv[ i_opt ] );
888 /*****************************************************************************
889 * Usage: print program usage
890 *****************************************************************************
891 * Print a short inline help. Message interface is initialized at this stage.
892 *****************************************************************************/
893 static void Usage( const char *psz_module_name )
895 #define FORMAT_STRING " --%s%s%s%s%s %s"
896 /* option name ---------------' | | | | |
897 * <bra ------------------------' | | | |
898 * option type or "" -------------' | | |
899 * ket> ----------------------------' | |
900 * padding spaces --------------------' |
901 * comment ------------------------------'
903 * The purpose of having bra and ket is that we might i18n them as well.
906 #define PADDING_SPACES 25
908 module_config_t *p_item;
909 char psz_spaces[PADDING_SPACES+LINE_START+1];
910 char psz_format[sizeof(FORMAT_STRING)];
912 memset( psz_spaces, ' ', PADDING_SPACES+LINE_START );
913 psz_spaces[PADDING_SPACES+LINE_START] = '\0';
915 strcpy( psz_format, FORMAT_STRING );
921 /* Enumerate the config of each module */
922 for( p_module = p_module_bank->first ;
924 p_module = p_module->next )
926 if( psz_module_name && strcmp( psz_module_name, p_module->psz_name ) )
929 /* ignore modules without config options */
930 if( !p_module->i_config_items ) continue;
932 /* print module name */
933 intf_Msg( _("%s module options:\n"), p_module->psz_name );
935 for( p_item = p_module->p_config;
936 p_item->i_type != MODULE_CONFIG_HINT_END;
939 char *psz_bra = NULL, *psz_type = NULL, *psz_ket = NULL;
942 if( p_item->i_short )
945 psz_format[3] = p_item->i_short;
955 switch( p_item->i_type )
957 case MODULE_CONFIG_HINT_CATEGORY:
958 intf_Msg( " %s", p_item->psz_text );
961 case MODULE_CONFIG_ITEM_STRING:
962 case MODULE_CONFIG_ITEM_FILE:
963 case MODULE_CONFIG_ITEM_MODULE: /* We could also have "=<" here */
964 psz_bra = " <"; psz_type = _("string"); psz_ket = ">";
966 case MODULE_CONFIG_ITEM_INTEGER:
967 psz_bra = " <"; psz_type = _("integer"); psz_ket = ">";
969 case MODULE_CONFIG_ITEM_FLOAT:
970 psz_bra = " <"; psz_type = _("float"); psz_ket = ">";
972 case MODULE_CONFIG_ITEM_BOOL:
973 psz_bra = ""; psz_type = ""; psz_ket = "";
979 i = PADDING_SPACES - strlen( p_item->psz_name )
980 - strlen( psz_bra ) - strlen( psz_type )
981 - strlen( psz_ket ) - 1;
985 psz_spaces[i] = '\n';
989 psz_spaces[i] = '\0';
992 intf_Msg( psz_format, p_item->psz_name, psz_bra, psz_type,
993 psz_ket, psz_spaces, p_item->psz_text );
998 /* Yet another nasty hack.
999 * Maybe we could use MODULE_CONFIG_ITEM_END to display tail messages
1000 * for each module?? */
1001 if( !strcmp( "main", p_module->psz_name ) )
1003 intf_Msg( _("\nPlaylist items:"
1004 "\n *.mpg, *.vob plain MPEG-1/2 files"
1005 "\n [dvd:][device][@raw_device][@[title][,[chapter][,angle]]]"
1007 "\n [vcd:][device][@[title][,[chapter]]"
1009 "\n udpstream:[@[<bind address>][:<bind port>]]"
1010 "\n UDP stream sent by VLS"
1011 "\n vlc:loop loop execution of the "
1013 "\n vlc:pause pause execution of "
1015 "\n vlc:quit quit VLC") );
1022 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
1023 intf_Msg( _("\nPress the RETURN key to continue...") );
1028 /*****************************************************************************
1029 * ListModules: list the available modules with their description
1030 *****************************************************************************
1031 * Print a list of all available modules (builtins and plugins) and a short
1032 * description for each one.
1033 *****************************************************************************/
1034 static void ListModules( void )
1037 char psz_spaces[22];
1039 memset( psz_spaces, ' ', 22 );
1046 intf_Msg( _("Usage: %s [options] [parameters] [file]...\n"),
1049 intf_Msg( _("[module] [description]") );
1051 /* Enumerate each module */
1052 for( p_module = p_module_bank->first ;
1054 p_module = p_module->next )
1058 /* Nasty hack, but right now I'm too tired to think about a nice
1060 i = 22 - strlen( p_module->psz_name ) - 1;
1064 intf_Msg( " %s%s %s", p_module->psz_name, psz_spaces,
1065 p_module->psz_longname );
1067 psz_spaces[i] = ' ';
1071 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
1072 intf_Msg( _("\nPress the RETURN key to continue...") );
1077 /*****************************************************************************
1078 * Version: print complete program version
1079 *****************************************************************************
1080 * Print complete program version and build number.
1081 *****************************************************************************/
1082 static void Version( void )
1088 intf_Msg( VERSION_MESSAGE );
1090 _("This program comes with NO WARRANTY, to the extent permitted by "
1091 "law.\nYou may redistribute it under the terms of the GNU General "
1092 "Public License;\nsee the file named COPYING for details.\n"
1093 "Written by the VideoLAN team at Ecole Centrale, Paris.") );
1095 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
1096 intf_Msg( _("\nPress the RETURN key to continue...") );
1101 /*****************************************************************************
1102 * InitSignalHandler: system signal handler initialization
1103 *****************************************************************************
1104 * Set the signal handlers. SIGTERM is not intercepted, because we need at
1105 * at least a method to kill the program when all other methods failed, and
1106 * when we don't want to use SIGKILL.
1107 *****************************************************************************/
1108 static void InitSignalHandler( void )
1110 /* Termination signals */
1112 signal( SIGINT, FatalSignalHandler );
1113 signal( SIGHUP, FatalSignalHandler );
1114 signal( SIGQUIT, FatalSignalHandler );
1117 signal( SIGALRM, SimpleSignalHandler );
1118 signal( SIGPIPE, SimpleSignalHandler );
1122 /*****************************************************************************
1123 * SimpleSignalHandler: system signal handler
1124 *****************************************************************************
1125 * This function is called when a non fatal signal is received by the program.
1126 *****************************************************************************/
1127 static void SimpleSignalHandler( int i_signal )
1129 /* Acknowledge the signal received */
1130 intf_WarnMsg( 0, "intf: ignoring signal %d", i_signal );
1133 /*****************************************************************************
1134 * FatalSignalHandler: system signal handler
1135 *****************************************************************************
1136 * This function is called when a fatal signal is received by the program.
1137 * It tries to end the program in a clean way.
1138 *****************************************************************************/
1139 static void FatalSignalHandler( int i_signal )
1141 /* Once a signal has been trapped, the termination sequence will be
1142 * armed and following signals will be ignored to avoid sending messages
1143 * to an interface having been destroyed */
1145 signal( SIGINT, SIG_IGN );
1146 signal( SIGHUP, SIG_IGN );
1147 signal( SIGQUIT, SIG_IGN );
1150 /* Acknowledge the signal received */
1151 intf_ErrMsg( "intf error: signal %d received, exiting", i_signal );
1153 /* Try to terminate everything - this is done by requesting the end of the
1154 * interface thread */
1155 p_main->p_intf->b_die = 1;
1158 /*****************************************************************************
1159 * IllegalSignalHandler: system signal handler
1160 *****************************************************************************
1161 * This function is called when an illegal instruction signal is received by
1162 * the program. We use this function to test OS and CPU capabilities
1163 *****************************************************************************/
1164 static void IllegalSignalHandler( int i_signal )
1166 /* Acknowledge the signal received */
1169 #ifdef HAVE_SIGRELSE
1170 sigrelse( i_signal );
1173 #if defined( __i386__ )
1174 fprintf( stderr, "warning: your CPU has %s instructions, but not your "
1175 "operating system.\n", psz_capability );
1176 fprintf( stderr, " some optimizations will be disabled unless "
1177 "you upgrade your OS\n" );
1178 # if defined( SYS_LINUX )
1179 fprintf( stderr, " (for instance Linux kernel 2.4.x or later)\n" );
1186 /*****************************************************************************
1187 * CPUCapabilities: list the processors MMX support and other capabilities
1188 *****************************************************************************
1189 * This function is called to list extensions the CPU may have.
1190 *****************************************************************************/
1191 static u32 CPUCapabilities( void )
1193 volatile u32 i_capabilities = CPU_CAPABILITY_NONE;
1195 #if defined( SYS_DARWIN )
1196 struct host_basic_info hi;
1198 host_name_port_t host;
1201 char *psz_name, *psz_subname;
1203 i_capabilities |= CPU_CAPABILITY_FPU;
1205 /* Should 'never' fail? */
1206 host = mach_host_self();
1208 i_size = sizeof( hi ) / sizeof( int );
1209 ret = host_info( host, HOST_BASIC_INFO, ( host_info_t )&hi, &i_size );
1211 if( ret != KERN_SUCCESS )
1213 fprintf( stderr, "error: couldn't get CPU information\n" );
1214 return( i_capabilities );
1217 slot_name( hi.cpu_type, hi.cpu_subtype, &psz_name, &psz_subname );
1218 /* FIXME: need better way to detect newer proccessors.
1219 * could do strncmp(a,b,5), but that's real ugly */
1220 if( !strcmp(psz_name, "ppc7400") || !strcmp(psz_name, "ppc7450") )
1222 i_capabilities |= CPU_CAPABILITY_ALTIVEC;
1225 return( i_capabilities );
1227 #elif defined( __i386__ )
1228 volatile unsigned int i_eax, i_ebx, i_ecx, i_edx;
1229 volatile boolean_t b_amd;
1231 /* Needed for x86 CPU capabilities detection */
1232 # define cpuid( a ) \
1233 asm volatile ( "pushl %%ebx\n\t" \
1235 "movl %%ebx,%1\n\t" \
1244 i_capabilities |= CPU_CAPABILITY_FPU;
1246 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1247 signal( SIGILL, IllegalSignalHandler );
1250 /* test for a 486 CPU */
1251 asm volatile ( "pushl %%ebx\n\t"
1254 "movl %%eax, %%ebx\n\t"
1255 "xorl $0x200000, %%eax\n\t"
1267 if( i_eax == i_ebx )
1269 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1270 signal( SIGILL, NULL );
1272 return( i_capabilities );
1275 i_capabilities |= CPU_CAPABILITY_486;
1277 /* the CPU supports the CPUID instruction - get its level */
1278 cpuid( 0x00000000 );
1282 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1283 signal( SIGILL, NULL );
1285 return( i_capabilities );
1288 /* FIXME: this isn't correct, since some 486s have cpuid */
1289 i_capabilities |= CPU_CAPABILITY_586;
1291 /* borrowed from mpeg2dec */
1292 b_amd = ( i_ebx == 0x68747541 ) && ( i_ecx == 0x444d4163 )
1293 && ( i_edx == 0x69746e65 );
1295 /* test for the MMX flag */
1296 cpuid( 0x00000001 );
1298 if( ! (i_edx & 0x00800000) )
1300 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1301 signal( SIGILL, NULL );
1303 return( i_capabilities );
1306 i_capabilities |= CPU_CAPABILITY_MMX;
1308 if( i_edx & 0x02000000 )
1310 i_capabilities |= CPU_CAPABILITY_MMXEXT;
1312 # ifdef CAN_COMPILE_SSE
1313 /* We test if OS supports the SSE instructions */
1314 psz_capability = "SSE";
1316 if( setjmp( env ) == 0 )
1318 /* Test a SSE instruction */
1319 __asm__ __volatile__ ( "xorps %%xmm0,%%xmm0\n" : : );
1322 if( i_illegal == 0 )
1324 i_capabilities |= CPU_CAPABILITY_SSE;
1329 /* test for additional capabilities */
1330 cpuid( 0x80000000 );
1332 if( i_eax < 0x80000001 )
1334 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1335 signal( SIGILL, NULL );
1337 return( i_capabilities );
1340 /* list these additional capabilities */
1341 cpuid( 0x80000001 );
1343 # ifdef CAN_COMPILE_3DNOW
1344 if( i_edx & 0x80000000 )
1346 psz_capability = "3D Now!";
1348 if( setjmp( env ) == 0 )
1350 /* Test a 3D Now! instruction */
1351 __asm__ __volatile__ ( "pfadd %%mm0,%%mm0\n" "femms\n" : : );
1354 if( i_illegal == 0 )
1356 i_capabilities |= CPU_CAPABILITY_3DNOW;
1361 if( b_amd && ( i_edx & 0x00400000 ) )
1363 i_capabilities |= CPU_CAPABILITY_MMXEXT;
1366 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1367 signal( SIGILL, NULL );
1369 return( i_capabilities );
1371 #elif defined( __powerpc__ )
1373 i_capabilities |= CPU_CAPABILITY_FPU;
1375 # ifdef CAN_COMPILE_ALTIVEC
1376 signal( SIGILL, IllegalSignalHandler );
1378 psz_capability = "AltiVec";
1380 if( setjmp( env ) == 0 )
1382 asm volatile ("mtspr 256, %0\n\t"
1383 "vand %%v0, %%v0, %%v0"
1388 if( i_illegal == 0 )
1390 i_capabilities |= CPU_CAPABILITY_ALTIVEC;
1393 signal( SIGILL, NULL );
1396 return( i_capabilities );
1398 #elif defined( __sparc__ )
1400 i_capabilities |= CPU_CAPABILITY_FPU;
1401 return( i_capabilities );
1404 /* default behaviour */
1405 return( i_capabilities );
1410 /*****************************************************************************
1411 * ShowConsole: On Win32, create an output console for debug messages
1412 *****************************************************************************
1413 * This function is useful only on Win32.
1414 *****************************************************************************/
1416 static void ShowConsole( void )
1419 freopen( "CONOUT$", "w", stdout );
1420 freopen( "CONOUT$", "w", stderr );
1421 freopen( "CONIN$", "r", stdin );