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 1.185 2002/04/22 08:20:26 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 plugin 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 SAT_FREQ_TEXT N_("satellite transponder frequency")
246 #define SAT_FREQ_LONGTEXT ""
248 #define SAT_POL_TEXT N_("satellite transponder polarization")
249 #define SAT_POL_LONGTEXT ""
251 #define SAT_FEC_TEXT N_("satellite transponder FEC")
252 #define SAT_FEC_LONGTEXT ""
254 #define SAT_SRATE_TEXT N_("satellite transponder symbol rate")
255 #define SAT_SRATE_LONGTEXT ""
257 #define SAT_DISEQC_TEXT N_("use diseqc with antenna")
258 #define SAT_DISEQC_LONGTEXT ""
260 #define SAT_LNB_LOF1_TEXT N_("antenna lnb_lof1 (kHz)")
261 #define SAT_LNB_LOF1_LONGTEXT ""
263 #define SAT_LNB_LOF2_TEXT N_("antenna lnb_lof2 (kHz)")
264 #define SAT_LNB_LOF2_LONGTEXT ""
266 #define SAT_LNB_SLOF_TEXT N_("antenna lnb_slof (kHz)")
267 #define SAT_LNB_SLOF_LONGTEXT ""
269 #define IPV6_TEXT N_("force IPv6")
270 #define IPV6_LONGTEXT ""
272 #define IPV4_TEXT N_("force IPv4")
273 #define IPV4_LONGTEXT ""
275 #define ADEC_MPEG_TEXT N_("choose MPEG audio decoder")
276 #define ADEC_MPEG_LONGTEXT ""
278 #define ADEC_AC3_TEXT N_("choose AC3 audio decoder")
279 #define ADEC_AC3_LONGTEXT ""
281 #define VDEC_SMP_TEXT N_("use additional processors")
282 #define VDEC_SMP_LONGTEXT ""
284 #define VPAR_SYNCHRO_TEXT N_("force synchro algorithm {I|I+|IP|IP+|IPB}")
285 #define VPAR_SYNCHRO_LONGTEXT ""
287 #define NOMMX_TEXT N_("disable CPU's MMX support")
288 #define NOMMX_LONGTEXT ""
290 #define NO3DN_TEXT N_("disable CPU's 3D Now! support")
291 #define NO3DN_LONGTEXT ""
293 #define NOMMXEXT_TEXT N_("disable CPU's MMX EXT support")
294 #define NOMMXEXT_LONGTEXT ""
296 #define NOSSE_TEXT N_("disable CPU's SSE support")
297 #define NOSSE_LONGTEXT ""
299 #define NOALTIVEC_TEXT N_("disable CPU's AltiVec support")
300 #define NOALTIVEC_LONGTEXT ""
302 #define PLAYLIST_LAUNCH_TEXT N_("launch playlist on startup")
303 #define PLAYLIST_LAUNCH_LONGTEXT ""
305 #define PLAYLIST_ENQUEUE_TEXT N_("enqueue playlist as default")
306 #define PLAYLIST_ENQUEUE_LONGTEXT ""
308 #define PLAYLIST_LOOP_TEXT N_("loop playlist on end")
309 #define PLAYLIST_LOOP_LONGTEXT ""
311 #define MEMCPY_TEXT N_("memory copy module")
312 #define MEMCPY_LONGTEXT ""
314 #define FAST_PTHREAD_TEXT N_("fast pthread on NT/2K/XP (developpers only)")
315 #define FAST_PTHREAD_LONGTEXT N_( \
316 "On Windows NT/2K/XP we use a slow but correct pthread implementation, " \
317 "you can also use this faster implementation but you might experience " \
321 * Quick usage guide for the configuration options:
323 * MODULE_CONFIG_START
325 * ADD_CATEGORY_HINT( N_(text), longtext )
326 * ADD_SUBCATEGORY_HINT( N_(text), longtext )
327 * ADD_STRING( option_name, value, p_callback, N_(text), N_(longtext) )
328 * ADD_FILE( option_name, psz_value, p_callback, N_(text), N_(longtext) )
329 * ADD_PLUGIN( option_name, psz_value, i_capability, p_callback,
330 * N_(text), N_(longtext) )
331 * ADD_INTEGER( option_name, i_value, p_callback, N_(text), N_(longtext) )
332 * ADD_BOOL( option_name, p_callback, N_(text), N_(longtext) )
337 /* Interface options */
338 ADD_CATEGORY_HINT( N_("Interface"), NULL)
339 ADD_PLUGIN_WITH_SHORT ( "intf", 'I', MODULE_CAPABILITY_INTF, NULL, NULL, INTF_TEXT, INTF_LONGTEXT )
340 ADD_INTEGER ( "warning", 0, NULL, WARNING_TEXT, WARNING_LONGTEXT )
341 ADD_BOOL ( "stats", NULL, STATS_TEXT, STATS_LONGTEXT )
342 ADD_STRING ( "search_path", NULL, NULL, INTF_PATH_TEXT, INTF_PATH_LONGTEXT )
345 ADD_CATEGORY_HINT( N_("Audio"), NULL)
346 ADD_PLUGIN_WITH_SHORT ( "aout", 'A', MODULE_CAPABILITY_AOUT, NULL, NULL, AOUT_TEXT, AOUT_LONGTEXT )
347 ADD_BOOL ( "noaudio", NULL, NOAUDIO_TEXT, NOAUDIO_LONGTEXT )
348 ADD_BOOL ( "mono", NULL, MONO_TEXT, MONO_LONGTEXT )
349 ADD_INTEGER ( "volume", VOLUME_DEFAULT, NULL, VOLUME_TEXT, VOLUME_LONGTEXT )
350 ADD_INTEGER ( "rate", 44100, NULL, RATE_TEXT, RATE_LONGTEXT )
351 ADD_INTEGER ( "desync", 0, NULL, DESYNC_TEXT, DESYNC_LONGTEXT )
352 ADD_INTEGER ( "aout_format", 0, NULL, FORMAT_TEXT,
356 ADD_CATEGORY_HINT( N_("Video"), NULL )
357 ADD_PLUGIN_WITH_SHORT ( "vout", 'V', MODULE_CAPABILITY_VOUT, NULL, NULL, VOUT_TEXT, VOUT_LONGTEXT )
358 ADD_BOOL ( "novideo", NULL, NOVIDEO_TEXT, NOVIDEO_LONGTEXT )
359 ADD_INTEGER ( "width", -1, NULL, WIDTH_TEXT, WIDTH_LONGTEXT )
360 ADD_INTEGER ( "height", -1, NULL, HEIGHT_TEXT, HEIGHT_LONGTEXT )
361 ADD_FLOAT ( "zoom", 1, NULL, ZOOM_TEXT, ZOOM_LONGTEXT )
362 ADD_BOOL ( "grayscale", NULL, GRAYSCALE_TEXT, GRAYSCALE_LONGTEXT )
363 ADD_BOOL ( "fullscreen", NULL, FULLSCREEN_TEXT, FULLSCREEN_LONGTEXT )
364 ADD_BOOL ( "nooverlay", NULL, NOOVERLAY_TEXT, NOOVERLAY_LONGTEXT )
365 ADD_INTEGER ( "spumargin", -1, NULL, SPUMARGIN_TEXT, SPUMARGIN_LONGTEXT )
366 ADD_PLUGIN ( "filter", MODULE_CAPABILITY_VOUT, NULL, NULL, FILTER_TEXT, FILTER_LONGTEXT )
369 ADD_CATEGORY_HINT( N_("Input"), NULL )
370 ADD_INTEGER ( "server_port", 1234, NULL, SERVER_PORT_TEXT, SERVER_PORT_LONGTEXT )
371 ADD_BOOL ( "network_channel", NULL, NETCHANNEL_TEXT, NETCHANNEL_LONGTEXT )
372 ADD_STRING ( "channel_server", "localhost", NULL, CHAN_SERV_TEXT, CHAN_SERV_LONGTEXT )
373 ADD_INTEGER ( "channel_port", 6010, NULL, CHAN_PORT_TEXT, CHAN_PORT_LONGTEXT )
374 ADD_STRING ( "iface", "eth0", NULL, IFACE_TEXT, IFACE_LONGTEXT )
376 ADD_INTEGER ( "input_program", 0, NULL, INPUT_PROGRAM_TEXT,
377 INPUT_PROGRAM_LONGTEXT )
378 ADD_INTEGER ( "input_audio", -1, NULL, INPUT_AUDIO_TEXT, INPUT_AUDIO_LONGTEXT )
379 ADD_INTEGER ( "input_channel", -1, NULL, INPUT_CHAN_TEXT, INPUT_CHAN_LONGTEXT )
380 ADD_INTEGER ( "input_subtitle", -1, NULL, INPUT_SUBT_TEXT, INPUT_SUBT_LONGTEXT )
382 ADD_STRING ( "dvd_device", "/dev/dvd", NULL, DVD_DEV_TEXT, DVD_DEV_LONGTEXT )
383 ADD_STRING ( "vcd_device", "/dev/cdrom", NULL, VCD_DEV_TEXT, VCD_DEV_LONGTEXT )
384 #ifdef HAVE_SATELLITE
385 ADD_INTEGER ( "sat_frequency", 11954, NULL, SAT_FREQ_TEXT, SAT_FREQ_LONGTEXT )
386 ADD_INTEGER ( "sat_polarization", 0, NULL, SAT_POL_TEXT, SAT_POL_LONGTEXT )
387 ADD_INTEGER ( "sat_fec", 3, NULL, SAT_FEC_TEXT, SAT_FEC_LONGTEXT )
388 ADD_INTEGER ( "sat_symbol_rate", 27500, NULL, SAT_SRATE_TEXT,
390 ADD_BOOL ( "sat_diseqc", 0, SAT_DISEQC_TEXT, SAT_DISEQC_LONGTEXT )
391 ADD_INTEGER ( "sat_lnb_lof1", 10000, NULL, SAT_LNB_LOF1_TEXT,
392 SAT_LNB_LOF1_LONGTEXT )
393 ADD_INTEGER ( "sat_lnb_lof2", 10000, NULL, SAT_LNB_LOF2_TEXT,
394 SAT_LNB_LOF2_LONGTEXT )
395 ADD_INTEGER ( "sat_lnb_slof", 11700, NULL, SAT_LNB_SLOF_TEXT,
396 SAT_LNB_SLOF_LONGTEXT )
399 ADD_BOOL_WITH_SHORT ( "ipv6", '6', NULL, IPV6_TEXT, IPV6_LONGTEXT )
400 ADD_BOOL_WITH_SHORT ( "ipv4", '4', NULL, IPV4_TEXT, IPV4_LONGTEXT )
402 /* Decoder options */
403 ADD_CATEGORY_HINT( N_("Decoders"), NULL )
404 ADD_PLUGIN ( "mpeg_adec", MODULE_CAPABILITY_DECODER, NULL, NULL, ADEC_MPEG_TEXT, ADEC_MPEG_LONGTEXT )
405 ADD_PLUGIN ( "ac3_adec", MODULE_CAPABILITY_DECODER, NULL, NULL, ADEC_AC3_TEXT, ADEC_AC3_LONGTEXT )
406 ADD_INTEGER ( "vdec_smp", 0, NULL, VDEC_SMP_TEXT, VDEC_SMP_LONGTEXT )
407 ADD_STRING ( "vpar_synchro", NULL, NULL, VPAR_SYNCHRO_TEXT, VPAR_SYNCHRO_LONGTEXT )
410 ADD_CATEGORY_HINT( N_("CPU"), NULL )
411 ADD_BOOL ( "nommx", NULL, NOMMX_TEXT, NOMMX_LONGTEXT )
412 ADD_BOOL ( "no3dn", NULL, NO3DN_TEXT, NO3DN_LONGTEXT )
413 ADD_BOOL ( "nommxext", NULL, NOMMXEXT_TEXT, NOMMXEXT_LONGTEXT )
414 ADD_BOOL ( "nosse", NULL, NOSSE_TEXT, NOSSE_LONGTEXT )
415 ADD_BOOL ( "noaltivec", NULL, NOALTIVEC_TEXT, NOALTIVEC_LONGTEXT )
417 /* Playlist options */
418 ADD_CATEGORY_HINT( N_("Playlist"), NULL )
419 ADD_BOOL ( "playlist_launch", NULL, PLAYLIST_LAUNCH_TEXT, PLAYLIST_LAUNCH_LONGTEXT )
420 ADD_BOOL ( "playlist_enqueue", NULL, PLAYLIST_ENQUEUE_TEXT, PLAYLIST_ENQUEUE_LONGTEXT )
421 ADD_BOOL ( "playlist_loop", NULL, PLAYLIST_LOOP_TEXT, PLAYLIST_LOOP_LONGTEXT )
424 ADD_CATEGORY_HINT( N_("Miscellaneous"), NULL )
425 ADD_PLUGIN ( "memcpy", MODULE_CAPABILITY_MEMCPY, NULL, NULL, MEMCPY_TEXT, MEMCPY_LONGTEXT )
428 ADD_BOOL ( "fast_pthread", NULL, FAST_PTHREAD_TEXT, FAST_PTHREAD_LONGTEXT )
434 SET_DESCRIPTION( N_("main program") )
435 ADD_CAPABILITY( MAIN, 100/*whatever*/ )
438 MODULE_ACTIVATE_START
441 MODULE_DEACTIVATE_START
442 MODULE_DEACTIVATE_STOP
444 /* Hack for help options */
445 static module_t help_module;
446 static module_config_t p_help_config[] =
448 { MODULE_CONFIG_ITEM_BOOL, "help", 'h', N_("print help"),
449 NULL, NULL, 0, 0, NULL, NULL, 0 },
450 { MODULE_CONFIG_ITEM_BOOL, "longhelp", 'H', N_("print detailed help"),
451 NULL, NULL, 0, 0, NULL, NULL, 0 },
452 { MODULE_CONFIG_ITEM_BOOL, "list", 'l', N_("print a list of available "
453 "plugins"), NULL, NULL, 0, 0, NULL, NULL, 0 },
454 { MODULE_CONFIG_ITEM_STRING, "plugin", 'p', N_("print help on plugin "
455 "<string>"), NULL, NULL, 0, 0, NULL, &help_module.config_lock, 0 },
456 { MODULE_CONFIG_ITEM_BOOL, "version", '\0',
457 N_("print version information"), NULL, NULL, 0, 0, NULL, NULL, 0 },
458 { MODULE_CONFIG_HINT_END, NULL, '\0', NULL, NULL, NULL, 0, 0,
462 /*****************************************************************************
464 *****************************************************************************/
466 /*****************************************************************************
467 * Global variables - these are the only ones, see main.h and modules.h
468 *****************************************************************************/
470 p_main_sys_t p_main_sys;
471 module_bank_t *p_module_bank;
472 input_bank_t *p_input_bank;
473 aout_bank_t *p_aout_bank;
474 vout_bank_t *p_vout_bank;
476 /*****************************************************************************
478 *****************************************************************************/
479 static int GetFilenames ( int i_argc, char *ppsz_argv[] );
480 static void Usage ( const char *psz_module_name );
481 static void ListModules ( void );
482 static void Version ( void );
484 static void InitSignalHandler ( void );
485 static void SimpleSignalHandler ( int i_signal );
486 static void FatalSignalHandler ( int i_signal );
487 static void IllegalSignalHandler ( int i_signal );
488 static u32 CPUCapabilities ( void );
491 static void ShowConsole ( void );
495 static int i_illegal;
496 static char *psz_capability;
498 /*****************************************************************************
499 * main: parse command line, start interface and spawn threads
500 *****************************************************************************
501 * Steps during program execution are:
502 * -configuration parsing and messages interface initialization
503 * -opening of audio output device and some global modules
504 * -execution of interface, which exit on error or on user request
505 * -closing of audio output device and some global modules
506 * On error, the spawned threads are canceled, and the open devices closed.
507 *****************************************************************************/
508 int main( int i_argc, char *ppsz_argv[], char *ppsz_env[] )
510 main_t main_data; /* root of all data - see main.h */
511 module_bank_t module_bank;
512 input_bank_t input_bank;
513 aout_bank_t aout_bank;
514 vout_bank_t vout_bank;
517 struct module_config_s *p_item;
519 p_main = &main_data; /* set up the global variables */
520 p_module_bank = &module_bank;
521 p_input_bank = &input_bank;
522 p_aout_bank = &aout_bank;
523 p_vout_bank = &vout_bank;
525 p_main->i_warning_level = 0;
528 * Support for gettext
530 #if defined( ENABLE_NLS ) && defined ( HAVE_GETTEXT )
531 # if defined( HAVE_LOCALE_H ) && defined( HAVE_LC_MESSAGES )
532 if( !setlocale( LC_MESSAGES, "" ) )
534 fprintf( stderr, "warning: unsupported locale settings\n" );
537 setlocale( LC_CTYPE, "" );
540 if( !bindtextdomain( PACKAGE, LOCALEDIR ) )
542 fprintf( stderr, "warning: no domain %s in directory %s\n",
543 PACKAGE, LOCALEDIR );
546 textdomain( PACKAGE );
550 * Initialize threads system
555 * Test if our code is likely to run on this CPU
557 p_main->i_cpu_capabilities = CPUCapabilities();
560 * System specific initialization code
562 #if defined( SYS_BEOS ) || defined( SYS_DARWIN ) || defined( WIN32 )
563 system_Init( &i_argc, ppsz_argv, ppsz_env );
565 #elif defined( SYS_LINUX )
567 /* Activate malloc checking routines to detect heap corruptions. */
568 putenv( "MALLOC_CHECK_=2" );
569 putenv( "GNOME_DISABLE_CRASH_DIALOG=1" );
574 * Initialize messages interface
578 intf_Msg( COPYRIGHT_MESSAGE "\n" );
581 /* Get the executable name (similar to the basename command) */
582 p_main->psz_arg0 = p_tmp = ppsz_argv[ 0 ];
585 if( *p_tmp == '/' ) p_main->psz_arg0 = ++p_tmp;
590 * Initialize the module bank and and load the configuration of the main
591 * module. We need to do this at this stage to be able to display a short
592 * help if required by the user. (short help == main module options)
597 /* Hack: insert the help module here */
598 help_module.psz_name = "help";
599 help_module.i_config_items =
600 sizeof(p_help_config) / sizeof(module_config_t) - 1;
601 vlc_mutex_init( &help_module.config_lock );
602 help_module.p_config = config_Duplicate( p_help_config );
603 for( p_item = help_module.p_config;
604 p_item->i_type != MODULE_CONFIG_HINT_END;
607 p_item->p_lock = &help_module.config_lock;
609 help_module.next = p_module_bank->first;
610 p_module_bank->first = &help_module;
613 if( config_LoadCmdLine( &i_argc, ppsz_argv, 1 ) )
619 /* Check for short help option */
620 if( config_GetIntVariable( "help" ) )
622 intf_Msg( _("Usage: %s [options] [parameters] [file]...\n"),
630 /* Check for version option */
631 if( config_GetIntVariable( "version" ) )
637 /* Hack: remove the help module here */
638 p_module_bank->first = help_module.next;
642 * Load the builtins and plugins into the module_bank.
643 * We have to do it before config_Load*() because this also gets the
644 * list of configuration options exported by each plugin and loads their
647 module_LoadBuiltins();
648 module_LoadPlugins();
649 intf_WarnMsg( 2, "module: module bank initialized, found %i modules",
650 p_module_bank->i_count );
652 /* Hack: insert the help module here */
653 help_module.next = p_module_bank->first;
654 p_module_bank->first = &help_module;
657 /* Check for help on plugins */
658 if( (p_tmp = config_GetPszVariable( "plugin" )) )
665 /* Check for long help option */
666 if( config_GetIntVariable( "longhelp" ) )
672 /* Check for plugin list option */
673 if( config_GetIntVariable( "list" ) )
679 /* Hack: remove the help module here */
680 p_module_bank->first = help_module.next;
685 * Override default configuration with config file settings
687 vlc_mutex_init( &p_main->config_lock );
688 p_main->psz_homedir = config_GetHomeDir();
689 config_LoadConfigFile( NULL );
692 * Override configuration with command line settings
694 if( config_LoadCmdLine( &i_argc, ppsz_argv, 0 ) )
698 /* Pause the console because it's destroyed when we exit */
699 intf_Msg( "The command line options couldn't be loaded, check that "
700 "they are valid.\nPress the RETURN key to continue..." );
709 * System specific configuration
715 /* p_main inititalization. FIXME ? */
716 p_main->i_warning_level = config_GetIntVariable( "warning" );
717 p_main->i_desync = config_GetIntVariable( "desync" ) * (mtime_t)1000;
718 p_main->b_stats = config_GetIntVariable( "stats" );
719 p_main->b_audio = !config_GetIntVariable( "noaudio" );
720 p_main->b_stereo= !config_GetIntVariable( "mono" );
721 p_main->b_video = !config_GetIntVariable( "novideo" );
722 if( config_GetIntVariable( "nommx" ) )
723 p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_MMX;
724 if( config_GetIntVariable( "no3dn" ) )
725 p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_3DNOW;
726 if( config_GetIntVariable( "nommxext" ) )
727 p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_MMXEXT;
728 if( config_GetIntVariable( "nosse" ) )
729 p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_SSE;
730 if( config_GetIntVariable( "noaltivec" ) )
731 p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_ALTIVEC;
734 if( p_main->b_stats )
736 char p_capabilities[200];
737 p_capabilities[0] = '\0';
739 #define PRINT_CAPABILITY( capability, string ) \
740 if( p_main->i_cpu_capabilities & capability ) \
742 strncat( p_capabilities, string " ", \
743 sizeof(p_capabilities) - strlen(p_capabilities) ); \
744 p_capabilities[sizeof(p_capabilities) - 1] = '\0'; \
747 PRINT_CAPABILITY( CPU_CAPABILITY_486, "486" );
748 PRINT_CAPABILITY( CPU_CAPABILITY_586, "586" );
749 PRINT_CAPABILITY( CPU_CAPABILITY_PPRO, "Pentium Pro" );
750 PRINT_CAPABILITY( CPU_CAPABILITY_MMX, "MMX" );
751 PRINT_CAPABILITY( CPU_CAPABILITY_3DNOW, "3DNow!" );
752 PRINT_CAPABILITY( CPU_CAPABILITY_MMXEXT, "MMXEXT" );
753 PRINT_CAPABILITY( CPU_CAPABILITY_SSE, "SSE" );
754 PRINT_CAPABILITY( CPU_CAPABILITY_ALTIVEC, "Altivec" );
755 PRINT_CAPABILITY( CPU_CAPABILITY_FPU, "FPU" );
756 intf_StatMsg( "info: CPU has capabilities : %s", p_capabilities );
760 * Initialize playlist and get commandline files
762 p_main->p_playlist = intf_PlaylistCreate();
763 if( !p_main->p_playlist )
765 intf_ErrMsg( "playlist error: playlist initialization failed" );
769 intf_PlaylistInit( p_main->p_playlist );
772 * Get input filenames given as commandline arguments
774 GetFilenames( i_argc, ppsz_argv );
777 * Initialize input, aout and vout banks
784 * Choose the best memcpy module
786 psz_plugin = config_GetPszVariable( "memcpy" );
787 p_main->p_memcpy_module = module_Need( MODULE_CAPABILITY_MEMCPY,
789 if( psz_plugin ) free( psz_plugin );
790 if( p_main->p_memcpy_module == NULL )
792 intf_ErrMsg( "intf error: no suitable memcpy module, "
793 "using libc default" );
794 p_main->pf_memcpy = memcpy;
798 p_main->pf_memcpy = p_main->p_memcpy_module->p_functions
799 ->memcpy.functions.memcpy.pf_memcpy;
803 * Initialize shared resources and libraries
805 if( config_GetIntVariable( "network_channel" ) &&
806 network_ChannelCreate() )
808 /* On error during Channels initialization, switch off channels */
809 intf_ErrMsg( "intf error: channels initialization failed, "
810 "deactivating channels" );
811 config_PutIntVariable( "network_channel", 0 );
815 * Try to run the interface
817 p_main->p_intf = intf_Create();
818 if( p_main->p_intf == NULL )
820 intf_ErrMsg( "intf error: interface initialization failed" );
825 * Set signal handling policy for all threads
830 * This is the main loop
832 p_main->p_intf->pf_run( p_main->p_intf );
835 * Finished, destroy the interface
837 intf_Destroy( p_main->p_intf );
840 * Go back into channel 0 which is the network
842 if( config_GetIntVariable( "network_channel" ) && p_main->p_channel )
844 network_ChannelJoin( COMMON_CHANNEL );
849 * Free input, aout and vout banks
858 intf_PlaylistDestroy( p_main->p_playlist );
861 * Free memcpy module if it was allocated
863 if( p_main->p_memcpy_module != NULL )
865 module_Unneed( p_main->p_memcpy_module );
874 * System specific cleaning code
876 #if defined( SYS_BEOS ) || defined( SYS_DARWIN ) || defined( WIN32 )
882 * Terminate messages interface and program
884 intf_WarnMsg( 1, "intf: program terminated" );
888 * Stop threads system
896 /* following functions are local */
898 /*****************************************************************************
899 * GetFilenames: parse command line options which are not flags
900 *****************************************************************************
901 * Parse command line for input files.
902 *****************************************************************************/
903 static int GetFilenames( int i_argc, char *ppsz_argv[] )
907 /* We assume that the remaining parameters are filenames */
908 for( i_opt = optind; i_opt < i_argc; i_opt++ )
910 intf_PlaylistAdd( p_main->p_playlist, PLAYLIST_END,
911 ppsz_argv[ i_opt ] );
917 /*****************************************************************************
918 * Usage: print program usage
919 *****************************************************************************
920 * Print a short inline help. Message interface is initialized at this stage.
921 *****************************************************************************/
922 static void Usage( const char *psz_module_name )
925 module_config_t *p_item;
927 char psz_format[sizeof(" --%s%s%s %s")];
929 memset( psz_spaces, ' ', 30 );
930 memcpy( psz_format, " --%s%s%s %s", sizeof(psz_format) );
936 /* Enumerate the config of each module */
937 for( p_module = p_module_bank->first ;
939 p_module = p_module->next )
941 if( psz_module_name && strcmp( psz_module_name, p_module->psz_name ) )
944 /* ignore plugins without config options */
945 if( !p_module->i_config_items ) continue;
947 /* print module name */
948 intf_Msg( _("%s module options:\n"), p_module->psz_name );
950 for( p_item = p_module->p_config;
951 p_item->i_type != MODULE_CONFIG_HINT_END;
956 if( p_item->i_short )
959 psz_format[3] = p_item->i_short;
969 switch( p_item->i_type )
971 case MODULE_CONFIG_HINT_CATEGORY:
972 intf_Msg( " %s", p_item->psz_text );
975 case MODULE_CONFIG_ITEM_STRING:
976 case MODULE_CONFIG_ITEM_FILE:
977 case MODULE_CONFIG_ITEM_PLUGIN:
978 /* Nasty hack, but right now I'm too tired to think about
980 i = 25 - strlen( p_item->psz_name )
981 - strlen(_(" <string>")) - 1;
982 if( i < 0 ) i = 0; psz_spaces[i] = 0;
984 intf_Msg( psz_format, p_item->psz_name,
985 _(" <string>"), psz_spaces, p_item->psz_text );
988 case MODULE_CONFIG_ITEM_INTEGER:
989 /* Nasty hack, but right now I'm too tired to think about
991 i = 25 - strlen( p_item->psz_name )
992 - strlen(_(" <integer>")) - 1;
993 if( i < 0 ) i = 0; psz_spaces[i] = 0;
995 intf_Msg( psz_format, p_item->psz_name,
996 _(" <integer>"), psz_spaces, p_item->psz_text );
999 case MODULE_CONFIG_ITEM_FLOAT:
1000 /* Nasty hack, but right now I'm too tired to think about
1001 * a nice solution */
1002 i = 25 - strlen( p_item->psz_name )
1003 - strlen(_(" <float>")) - 1;
1004 if( i < 0 ) i = 0; psz_spaces[i] = 0;
1006 intf_Msg( psz_format, p_item->psz_name,
1007 _(" <float>"), psz_spaces, p_item->psz_text );
1008 psz_spaces[i] = ' ';
1010 case MODULE_CONFIG_ITEM_BOOL:
1011 /* Nasty hack, but right now I'm too tired to think about
1012 * a nice solution */
1013 i = 25 - strlen( p_item->psz_name ) - 1;
1014 if( i < 0 ) i = 0; psz_spaces[i] = 0;
1016 intf_Msg( psz_format,
1017 p_item->psz_name, "", psz_spaces, p_item->psz_text );
1018 psz_spaces[i] = ' ';
1023 /* Yet another nasty hack.
1024 * Maybe we could use MODULE_CONFIG_ITEM_END to display tail messages
1025 * for each module?? */
1026 if( !strcmp( "main", p_module->psz_name ) )
1028 intf_Msg( _("\nPlaylist items:"
1029 "\n *.mpg, *.vob plain MPEG-1/2 files"
1030 "\n [dvd:][device][@raw_device][@[title][,[chapter][,angle]]]"
1032 "\n [vcd:][device][@[title][,[chapter]]"
1034 "\n udpstream:[@[<bind address>][:<bind port>]]"
1035 "\n UDP stream sent by VLS"
1036 "\n vlc:loop loop execution of the "
1038 "\n vlc:pause pause execution of "
1040 "\n vlc:quit quit VLC") );
1047 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
1048 intf_Msg( _("\nPress the RETURN key to continue...") );
1053 /*****************************************************************************
1054 * ListModules: list the available modules with their description
1055 *****************************************************************************
1056 * Print a list of all available modules (builtins and plugins) and a short
1057 * description for each one.
1058 *****************************************************************************/
1059 static void ListModules( void )
1062 char psz_spaces[20];
1064 memset( psz_spaces, 32, 20 );
1071 intf_Msg( _("Usage: %s [options] [parameters] [file]...\n"),
1074 intf_Msg( _("[plugin] [description]") );
1076 /* Enumerate each module */
1077 for( p_module = p_module_bank->first ;
1079 p_module = p_module->next )
1083 /* Nasty hack, but right now I'm too tired to think about a nice
1085 i = 20 - strlen( p_module->psz_name ) - 1;
1089 intf_Msg( " %s%s %s", p_module->psz_name, psz_spaces,
1090 p_module->psz_longname );
1096 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
1097 intf_Msg( _("\nPress the RETURN key to continue...") );
1102 /*****************************************************************************
1103 * Version: print complete program version
1104 *****************************************************************************
1105 * Print complete program version and build number.
1106 *****************************************************************************/
1107 static void Version( void )
1113 intf_Msg( VERSION_MESSAGE );
1115 _("This program comes with NO WARRANTY, to the extent permitted by "
1116 "law.\nYou may redistribute it under the terms of the GNU General "
1117 "Public License;\nsee the file named COPYING for details.\n"
1118 "Written by the VideoLAN team at Ecole Centrale, Paris.") );
1120 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
1121 intf_Msg( _("\nPress the RETURN key to continue...") );
1126 /*****************************************************************************
1127 * InitSignalHandler: system signal handler initialization
1128 *****************************************************************************
1129 * Set the signal handlers. SIGTERM is not intercepted, because we need at
1130 * at least a method to kill the program when all other methods failed, and
1131 * when we don't want to use SIGKILL.
1132 *****************************************************************************/
1133 static void InitSignalHandler( void )
1135 /* Termination signals */
1137 signal( SIGINT, FatalSignalHandler );
1138 signal( SIGHUP, FatalSignalHandler );
1139 signal( SIGQUIT, FatalSignalHandler );
1142 signal( SIGALRM, SimpleSignalHandler );
1143 signal( SIGPIPE, SimpleSignalHandler );
1147 /*****************************************************************************
1148 * SimpleSignalHandler: system signal handler
1149 *****************************************************************************
1150 * This function is called when a non fatal signal is received by the program.
1151 *****************************************************************************/
1152 static void SimpleSignalHandler( int i_signal )
1154 /* Acknowledge the signal received */
1155 intf_WarnMsg( 0, "intf: ignoring signal %d", i_signal );
1158 /*****************************************************************************
1159 * FatalSignalHandler: system signal handler
1160 *****************************************************************************
1161 * This function is called when a fatal signal is received by the program.
1162 * It tries to end the program in a clean way.
1163 *****************************************************************************/
1164 static void FatalSignalHandler( int i_signal )
1166 /* Once a signal has been trapped, the termination sequence will be
1167 * armed and following signals will be ignored to avoid sending messages
1168 * to an interface having been destroyed */
1170 signal( SIGINT, SIG_IGN );
1171 signal( SIGHUP, SIG_IGN );
1172 signal( SIGQUIT, SIG_IGN );
1175 /* Acknowledge the signal received */
1176 intf_ErrMsg( "intf error: signal %d received, exiting", i_signal );
1178 /* Try to terminate everything - this is done by requesting the end of the
1179 * interface thread */
1180 p_main->p_intf->b_die = 1;
1183 /*****************************************************************************
1184 * IllegalSignalHandler: system signal handler
1185 *****************************************************************************
1186 * This function is called when an illegal instruction signal is received by
1187 * the program. We use this function to test OS and CPU capabilities
1188 *****************************************************************************/
1189 static void IllegalSignalHandler( int i_signal )
1191 /* Acknowledge the signal received */
1194 #ifdef HAVE_SIGRELSE
1195 sigrelse( i_signal );
1198 #if defined( __i386__ )
1199 fprintf( stderr, "warning: your CPU has %s instructions, but not your "
1200 "operating system.\n", psz_capability );
1201 fprintf( stderr, " some optimizations will be disabled unless "
1202 "you upgrade your OS\n" );
1203 # if defined( SYS_LINUX )
1204 fprintf( stderr, " (for instance Linux kernel 2.4.x or later)\n" );
1211 /*****************************************************************************
1212 * CPUCapabilities: list the processors MMX support and other capabilities
1213 *****************************************************************************
1214 * This function is called to list extensions the CPU may have.
1215 *****************************************************************************/
1216 static u32 CPUCapabilities( void )
1218 volatile u32 i_capabilities = CPU_CAPABILITY_NONE;
1220 #if defined( SYS_DARWIN )
1221 struct host_basic_info hi;
1223 host_name_port_t host;
1226 char *psz_name, *psz_subname;
1228 i_capabilities |= CPU_CAPABILITY_FPU;
1230 /* Should 'never' fail? */
1231 host = mach_host_self();
1233 i_size = sizeof( hi ) / sizeof( int );
1234 ret = host_info( host, HOST_BASIC_INFO, ( host_info_t )&hi, &i_size );
1236 if( ret != KERN_SUCCESS )
1238 fprintf( stderr, "error: couldn't get CPU information\n" );
1239 return( i_capabilities );
1242 slot_name( hi.cpu_type, hi.cpu_subtype, &psz_name, &psz_subname );
1243 /* FIXME: need better way to detect newer proccessors.
1244 * could do strncmp(a,b,5), but that's real ugly */
1245 if( !strcmp(psz_name, "ppc7400") || !strcmp(psz_name, "ppc7450") )
1247 i_capabilities |= CPU_CAPABILITY_ALTIVEC;
1250 return( i_capabilities );
1252 #elif defined( __i386__ )
1253 volatile unsigned int i_eax, i_ebx, i_ecx, i_edx;
1254 volatile boolean_t b_amd;
1256 /* Needed for x86 CPU capabilities detection */
1257 # define cpuid( a ) \
1258 asm volatile ( "pushl %%ebx\n\t" \
1260 "movl %%ebx,%1\n\t" \
1269 i_capabilities |= CPU_CAPABILITY_FPU;
1271 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1272 signal( SIGILL, IllegalSignalHandler );
1275 /* test for a 486 CPU */
1276 asm volatile ( "pushl %%ebx\n\t"
1279 "movl %%eax, %%ebx\n\t"
1280 "xorl $0x200000, %%eax\n\t"
1292 if( i_eax == i_ebx )
1294 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1295 signal( SIGILL, NULL );
1297 return( i_capabilities );
1300 i_capabilities |= CPU_CAPABILITY_486;
1302 /* the CPU supports the CPUID instruction - get its level */
1303 cpuid( 0x00000000 );
1307 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1308 signal( SIGILL, NULL );
1310 return( i_capabilities );
1313 /* FIXME: this isn't correct, since some 486s have cpuid */
1314 i_capabilities |= CPU_CAPABILITY_586;
1316 /* borrowed from mpeg2dec */
1317 b_amd = ( i_ebx == 0x68747541 ) && ( i_ecx == 0x444d4163 )
1318 && ( i_edx == 0x69746e65 );
1320 /* test for the MMX flag */
1321 cpuid( 0x00000001 );
1323 if( ! (i_edx & 0x00800000) )
1325 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1326 signal( SIGILL, NULL );
1328 return( i_capabilities );
1331 i_capabilities |= CPU_CAPABILITY_MMX;
1333 if( i_edx & 0x02000000 )
1335 i_capabilities |= CPU_CAPABILITY_MMXEXT;
1337 # ifdef CAN_COMPILE_SSE
1338 /* We test if OS supports the SSE instructions */
1339 psz_capability = "SSE";
1341 if( setjmp( env ) == 0 )
1343 /* Test a SSE instruction */
1344 __asm__ __volatile__ ( "xorps %%xmm0,%%xmm0\n" : : );
1347 if( i_illegal == 0 )
1349 i_capabilities |= CPU_CAPABILITY_SSE;
1354 /* test for additional capabilities */
1355 cpuid( 0x80000000 );
1357 if( i_eax < 0x80000001 )
1359 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1360 signal( SIGILL, NULL );
1362 return( i_capabilities );
1365 /* list these additional capabilities */
1366 cpuid( 0x80000001 );
1368 # ifdef CAN_COMPILE_3DNOW
1369 if( i_edx & 0x80000000 )
1371 psz_capability = "3D Now!";
1373 if( setjmp( env ) == 0 )
1375 /* Test a 3D Now! instruction */
1376 __asm__ __volatile__ ( "pfadd %%mm0,%%mm0\n" "femms\n" : : );
1379 if( i_illegal == 0 )
1381 i_capabilities |= CPU_CAPABILITY_3DNOW;
1386 if( b_amd && ( i_edx & 0x00400000 ) )
1388 i_capabilities |= CPU_CAPABILITY_MMXEXT;
1391 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1392 signal( SIGILL, NULL );
1394 return( i_capabilities );
1396 #elif defined( __powerpc__ )
1398 i_capabilities |= CPU_CAPABILITY_FPU;
1400 # ifdef CAN_COMPILE_ALTIVEC
1401 signal( SIGILL, IllegalSignalHandler );
1403 psz_capability = "AltiVec";
1405 if( setjmp( env ) == 0 )
1407 asm volatile ("mtspr 256, %0\n\t"
1408 "vand %%v0, %%v0, %%v0"
1413 if( i_illegal == 0 )
1415 i_capabilities |= CPU_CAPABILITY_ALTIVEC;
1418 signal( SIGILL, NULL );
1421 return( i_capabilities );
1423 #elif defined( __sparc__ )
1425 i_capabilities |= CPU_CAPABILITY_FPU;
1426 return( i_capabilities );
1429 /* default behaviour */
1430 return( i_capabilities );
1435 /*****************************************************************************
1436 * ShowConsole: On Win32, create an output console for debug messages
1437 *****************************************************************************
1438 * This function is useful only on Win32.
1439 *****************************************************************************/
1441 static void ShowConsole( void )
1444 freopen( "CONOUT$", "w", stdout );
1445 freopen( "CONOUT$", "w", stderr );
1446 freopen( "CONIN$", "r", stdin );