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 1.142 2002/01/04 14:01:35 sam Exp $
9 * Authors: Vincent Seguin <seguin@via.ecp.fr>
10 * Samuel Hocevar <sam@zoy.org>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
25 *****************************************************************************/
27 /*****************************************************************************
29 *****************************************************************************/
30 #include <signal.h> /* SIGHUP, SIGINT, SIGKILL */
31 #include <stdio.h> /* sprintf() */
32 #include <setjmp.h> /* longjmp, setjmp */
34 #include <videolan/vlc.h>
36 #ifdef HAVE_GETOPT_LONG
38 # include <getopt.h> /* getopt() */
41 # include "GNUgetopt/getopt.h"
45 # include <mach/mach.h> /* Altivec detection */
46 # include <mach/mach_error.h> /* some day the header files||compiler *
47 will define it for us */
48 # include <mach/bootstrap.h>
52 # include <netinet/in.h> /* BSD: struct in_addr */
57 #elif defined( _MSC_VER ) && defined( _WIN32 )
65 #include <errno.h> /* ENOMEM */
66 #include <stdlib.h> /* getenv(), strtol(), */
67 #include <string.h> /* strerror() */
68 #include <fcntl.h> /* open(), O_WRONLY */
69 #include <sys/stat.h> /* S_IREAD */
71 #include "netutils.h" /* network_ChannelJoin */
73 #include "stream_control.h"
74 #include "input_ext-intf.h"
76 #include "intf_playlist.h"
77 #include "interface.h"
79 #include "audio_output.h"
82 #include "video_output.h"
86 /*****************************************************************************
87 * Command line options constants. If something is changed here, be sure that
88 * GetConfiguration and Usage are also changed.
89 *****************************************************************************/
91 /* Long options return values - note that values corresponding to short options
92 * chars, and in general any regular char, should be avoided */
93 #define OPT_NOAUDIO 150
94 #define OPT_STEREO 151
97 #define OPT_VOLUME 154
98 #define OPT_DESYNC 155
100 #define OPT_NOVIDEO 160
101 #define OPT_DISPLAY 161
102 #define OPT_WIDTH 162
103 #define OPT_HEIGHT 163
104 #define OPT_COLOR 164
105 #define OPT_FULLSCREEN 165
106 #define OPT_OVERLAY 166
107 #define OPT_XVADAPTOR 167
109 #define OPT_FILTER 169
111 #define OPT_CHANNELS 170
112 #define OPT_SERVER 171
114 #define OPT_BROADCAST 173
115 #define OPT_CHANNELSERVER 174
117 #define OPT_INPUT 180
118 #define OPT_MOTION 181
121 #define OPT_DOWNMIX 184
122 #define OPT_IMDCT 185
123 #define OPT_MEMCPY 186
124 #define OPT_DVDCSS_METHOD 187
125 #define OPT_DVDCSS_VERBOSE 188
127 #define OPT_SYNCHRO 190
128 #define OPT_WARNING 191
129 #define OPT_VERSION 192
130 #define OPT_STDOUT 193
131 #define OPT_STATS 194
133 #define OPT_MPEG_ADEC 200
135 #define OPT_NOMMX 201
136 #define OPT_NO3DNOW 202
137 #define OPT_NOMMXEXT 203
138 #define OPT_NOSSE 204
139 #define OPT_NOALTIVEC 205
147 static const struct option longopts[] =
149 /* name, has_arg, flag, val */
151 /* General/common options */
152 { "help", 0, 0, 'h' },
153 { "longhelp", 0, 0, 'H' },
154 { "version", 0, 0, OPT_VERSION },
156 /* Interface options */
157 { "intf", 1, 0, 'I' },
158 { "warning", 1, 0, OPT_WARNING },
159 { "stdout", 1, 0, OPT_STDOUT },
160 { "stats", 0, 0, OPT_STATS },
163 { "noaudio", 0, 0, OPT_NOAUDIO },
164 { "aout", 1, 0, 'A' },
165 { "stereo", 0, 0, OPT_STEREO },
166 { "mono", 0, 0, OPT_MONO },
167 { "spdif", 0, 0, OPT_SPDIF },
168 { "downmix", 1, 0, OPT_DOWNMIX },
169 { "imdct", 1, 0, OPT_IMDCT },
170 { "volume", 1, 0, OPT_VOLUME },
171 { "desync", 1, 0, OPT_DESYNC },
174 { "novideo", 0, 0, OPT_NOVIDEO },
175 { "vout", 1, 0, 'V' },
176 { "display", 1, 0, OPT_DISPLAY },
177 { "width", 1, 0, OPT_WIDTH },
178 { "height", 1, 0, OPT_HEIGHT },
179 { "grayscale", 0, 0, 'g' },
180 { "color", 0, 0, OPT_COLOR },
181 { "motion", 1, 0, OPT_MOTION },
182 { "idct", 1, 0, OPT_IDCT },
183 { "yuv", 1, 0, OPT_YUV },
184 { "fullscreen", 0, 0, OPT_FULLSCREEN },
185 { "overlay", 0, 0, OPT_OVERLAY },
186 { "xvadaptor", 1, 0, OPT_XVADAPTOR },
187 { "smp", 1, 0, OPT_SMP },
188 { "filter", 1, 0, OPT_FILTER },
191 { "dvdtitle", 1, 0, 't' },
192 { "dvdchapter", 1, 0, 'T' },
193 { "dvdangle", 1, 0, 'u' },
194 { "dvdaudio", 1, 0, 'a' },
195 { "dvdchannel", 1, 0, 'c' },
196 { "dvdsubtitle", 1, 0, 's' },
197 { "dvdcss-method", 1, 0, OPT_DVDCSS_METHOD },
198 { "dvdcss-verbose", 1, 0, OPT_DVDCSS_VERBOSE },
201 { "input", 1, 0, OPT_INPUT },
202 { "channels", 0, 0, OPT_CHANNELS },
203 { "channelserver", 1, 0, OPT_CHANNELSERVER },
206 { "synchro", 1, 0, OPT_SYNCHRO },
207 { "memcpy", 1, 0, OPT_MEMCPY },
209 /* Decoder options */
210 { "mpeg_adec", 1, 0, OPT_MPEG_ADEC },
213 { "nommx", 0, 0, OPT_NOMMX },
214 { "no3dnow", 0, 0, OPT_NO3DNOW },
215 { "nommxext", 0, 0, OPT_NOMMXEXT },
216 { "nosse", 0, 0, OPT_NOSSE },
217 { "noaltivec", 0, 0, OPT_NOALTIVEC },
223 static const char *psz_shortopts = "hHvgt:T:u:a:s:c:I:A:V:";
225 /*****************************************************************************
226 * Global variables - these are the only ones, see main.h and modules.h
227 *****************************************************************************/
229 module_bank_t *p_module_bank;
230 aout_bank_t *p_aout_bank;
231 vout_bank_t *p_vout_bank;
233 /*****************************************************************************
235 *****************************************************************************/
236 static int GetConfiguration ( int *pi_argc, char *ppsz_argv[],
238 static int GetFilenames ( int i_argc, char *ppsz_argv[] );
239 static void Usage ( int i_fashion );
240 static void Version ( void );
242 static void InitSignalHandler ( void );
243 static void SimpleSignalHandler ( int i_signal );
244 static void FatalSignalHandler ( int i_signal );
245 static void IllegalSignalHandler ( int i_signal );
246 static u32 CPUCapabilities ( void );
248 static int RedirectSTDOUT ( void );
249 static void ShowConsole ( void );
252 static int i_illegal;
253 static char *psz_capability;
255 /*****************************************************************************
256 * main: parse command line, start interface and spawn threads
257 *****************************************************************************
258 * Steps during program execution are:
259 * -configuration parsing and messages interface initialization
260 * -opening of audio output device and some global modules
261 * -execution of interface, which exit on error or on user request
262 * -closing of audio output device and some global modules
263 * On error, the spawned threads are canceled, and the open devices closed.
264 *****************************************************************************/
265 int main( int i_argc, char *ppsz_argv[], char *ppsz_env[] )
267 main_t main_data; /* root of all data - see main.h */
268 module_bank_t module_bank;
269 aout_bank_t aout_bank;
270 vout_bank_t vout_bank;
272 p_main = &main_data; /* set up the global variables */
273 p_module_bank = &module_bank;
274 p_aout_bank = &aout_bank;
275 p_vout_bank = &vout_bank;
281 #if defined( HAVE_LOCALE_H ) && defined( HAVE_LC_MESSAGES )
282 if( !setlocale( LC_MESSAGES, "" ) )
284 fprintf( stderr, "warning: unsupported locale.\n" );
288 if( !bindtextdomain( PACKAGE, LOCALEDIR ) )
290 fprintf( stderr, "warning: no domain %s in directory %s\n",
291 PACKAGE, LOCALEDIR );
294 textdomain( PACKAGE );
298 * Initialize threads system
303 * Test if our code is likely to run on this CPU
305 p_main->i_cpu_capabilities = CPUCapabilities();
308 * System specific initialization code
310 #if defined( SYS_BEOS ) || defined( SYS_DARWIN ) || defined( WIN32 )
311 system_Init( &i_argc, ppsz_argv, ppsz_env );
313 #elif defined( SYS_LINUX )
315 /* Activate malloc checking routines to detect heap corruptions. */
316 main_PutIntVariable( "MALLOC_CHECK_", 2 );
321 * Initialize messages interface
323 p_main->p_msg = intf_MsgCreate();
324 if( !p_main->p_msg ) /* start messages interface */
326 fprintf( stderr, "error: can't initialize messages interface (%s)\n",
331 intf_MsgImm( COPYRIGHT_MESSAGE "\n" );
336 if( GetConfiguration( &i_argc, ppsz_argv, ppsz_env ) ) /* parse cmd line */
343 * Redirect the standard output if required by the user, and on Win32 we
344 * also open a console to display the debug messages.
348 if( p_main->b_stats )
350 char p_capabilities[200];
351 p_capabilities[0] = '\0';
353 #define PRINT_CAPABILITY( capability, string ) \
354 if( p_main->i_cpu_capabilities & capability ) \
356 strncat( p_capabilities, string " ", \
357 sizeof(p_capabilities) - strlen(p_capabilities) ); \
358 p_capabilities[sizeof(p_capabilities) - 1] = '\0'; \
361 PRINT_CAPABILITY( CPU_CAPABILITY_486, "486" );
362 PRINT_CAPABILITY( CPU_CAPABILITY_586, "586" );
363 PRINT_CAPABILITY( CPU_CAPABILITY_PPRO, "Pentium Pro" );
364 PRINT_CAPABILITY( CPU_CAPABILITY_MMX, "MMX" );
365 PRINT_CAPABILITY( CPU_CAPABILITY_3DNOW, "3DNow!" );
366 PRINT_CAPABILITY( CPU_CAPABILITY_MMXEXT, "MMXEXT" );
367 PRINT_CAPABILITY( CPU_CAPABILITY_SSE, "SSE" );
368 PRINT_CAPABILITY( CPU_CAPABILITY_ALTIVEC, "Altivec" );
369 PRINT_CAPABILITY( CPU_CAPABILITY_FPU, "FPU" );
370 intf_StatMsg( "info: CPU has capabilities : %s", p_capabilities );
374 * Initialize playlist and get commandline files
376 p_main->p_playlist = intf_PlaylistCreate();
377 if( !p_main->p_playlist )
379 intf_ErrMsg( "playlist error: playlist initialization failed" );
383 intf_PlaylistInit( p_main->p_playlist );
386 * Get input filenames given as commandline arguments
388 GetFilenames( i_argc, ppsz_argv );
391 * Initialize module, aout and vout banks
398 * Choose the best memcpy module
400 if( module_NeedMemcpy( &p_main->memcpy ) )
402 intf_ErrMsg( "intf error: no suitable memcpy module, "
403 "using libc default" );
404 p_main->memcpy.pf_memcpy = memcpy;
408 * Initialize shared resources and libraries
410 if( main_GetIntVariable( INPUT_NETWORK_CHANNEL_VAR,
411 INPUT_NETWORK_CHANNEL_DEFAULT ) &&
412 network_ChannelCreate() )
414 /* On error during Channels initialization, switch off channels */
415 intf_Msg( "Channels initialization failed : "
416 "Channel management is deactivated" );
417 main_PutIntVariable( INPUT_NETWORK_CHANNEL_VAR, 0 );
421 * Try to run the interface
423 p_main->p_intf = intf_Create();
424 if( p_main->p_intf == NULL )
426 intf_ErrMsg( "intf error: interface initialization failed" );
431 * Set signal handling policy for all threads
436 * This is the main loop
438 p_main->p_intf->pf_run( p_main->p_intf );
441 * Finished, destroy the interface
443 intf_Destroy( p_main->p_intf );
446 * Go back into channel 0 which is the network
448 if( main_GetIntVariable( INPUT_NETWORK_CHANNEL_VAR,
449 INPUT_NETWORK_CHANNEL_DEFAULT ) )
451 network_ChannelJoin( COMMON_CHANNEL );
456 * Free aout and vout banks
464 intf_PlaylistDestroy( p_main->p_playlist );
467 * Free memcpy module if it was allocated
469 if( p_main->memcpy.p_module != NULL )
471 module_UnneedMemcpy( &p_main->memcpy );
480 * System specific cleaning code
482 #if defined( SYS_BEOS ) || defined( SYS_DARWIN ) || defined( WIN32 )
488 * Terminate messages interface and program
490 intf_WarnMsg( 1, "intf: program terminated" );
494 * Stop threads system
501 /*****************************************************************************
502 * main_GetIntVariable: get the int value of an environment variable
503 *****************************************************************************
504 * This function is used to read some default parameters in modules.
505 *****************************************************************************/
506 int main_GetIntVariable( char *psz_name, int i_default )
508 char * psz_env; /* environment value */
509 char * psz_end; /* end of parsing index */
510 long int i_value; /* value */
512 psz_env = getenv( psz_name );
515 i_value = strtol( psz_env, &psz_end, 0 );
516 if( (*psz_env != '\0') && (*psz_end == '\0') )
524 /*****************************************************************************
525 * main_GetPszVariable: get the string value of an environment variable
526 *****************************************************************************
527 * This function is used to read some default parameters in modules.
528 *****************************************************************************/
529 char * main_GetPszVariable( char *psz_name, char *psz_default )
533 psz_env = getenv( psz_name );
538 return( psz_default );
541 /*****************************************************************************
542 * main_PutPszVariable: set the string value of an environment variable
543 *****************************************************************************
544 * This function is used to set some default parameters in modules. The use of
545 * this function will cause some memory leak: since some systems use the pointer
546 * passed to putenv to store the environment string, it can't be freed.
547 *****************************************************************************/
548 void main_PutPszVariable( char *psz_name, char *psz_value )
552 psz_env = malloc( strlen(psz_name) + strlen(psz_value) + 2 );
553 if( psz_env == NULL )
555 intf_ErrMsg( "intf error: cannot create psz_env (%s)",
560 sprintf( psz_env, "%s=%s", psz_name, psz_value );
561 if( putenv( psz_env ) )
563 intf_ErrMsg( "intf error: cannot putenv (%s)", strerror(errno) );
568 /*****************************************************************************
569 * main_PutIntVariable: set the integer value of an environment variable
570 *****************************************************************************
571 * This function is used to set some default parameters in modules. The use of
572 * this function will cause some memory leak: since some systems use the pointer
573 * passed to putenv to store the environment string, it can't be freed.
574 *****************************************************************************/
575 void main_PutIntVariable( char *psz_name, int i_value )
577 char psz_value[ 256 ]; /* buffer for value */
579 sprintf( psz_value, "%d", i_value );
580 main_PutPszVariable( psz_name, psz_value );
583 /* following functions are local */
585 /*****************************************************************************
586 * GetConfiguration: parse command line
587 *****************************************************************************
588 * Parse command line and configuration file for configuration. If the inline
589 * help is requested, the function Usage() is called and the function returns
590 * -1 (causing main() to exit). The messages interface is initialized at this
591 * stage, but most structures are not allocated, so only environment should
593 *****************************************************************************/
594 static int GetConfiguration( int *pi_argc, char *ppsz_argv[], char *ppsz_env[] )
599 /* Set default configuration and copy arguments */
600 p_main->i_argc = *pi_argc;
601 p_main->ppsz_argv = ppsz_argv;
602 p_main->ppsz_env = ppsz_env;
607 p_main->i_warning_level = 0;
609 p_main->i_desync = 0; /* No desynchronization by default */
611 p_main->p_channel = NULL;
613 /* Get the executable name (similar to the basename command) */
614 p_main->psz_arg0 = p_tmp = ppsz_argv[ 0 ];
619 p_main->psz_arg0 = ++p_tmp;
628 /* When vlc.app is run by double clicking in Mac OS X, the 2nd arg
629 * is the PSN - process serial number (a unique PID-ish thingie)
630 * still ok for real Darwin & when run from command line */
631 if ( (*pi_argc > 1) && (strncmp( ppsz_argv[ 1 ] , "-psn" , 4 ) == 0) )
632 /* for example -psn_0_9306113 */
634 /* GDMF!... I can't do this or else the MacOSX window server will
635 * not pick up the PSN and not register the app and we crash...
636 * hence the following kludge otherwise we'll get confused w/ argv[1]
637 * being an input file name */
639 ppsz_argv[ 1 ] = NULL;
641 *pi_argc = *pi_argc - 1;
647 /* Parse command line options */
649 while( ( i_cmd = getopt_long( *pi_argc, ppsz_argv,
650 psz_shortopts, longopts, 0 ) ) != EOF )
654 /* General/common options */
655 case 'h': /* -h, --help */
659 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
660 if( strcmp( "", main_GetPszVariable( INTF_STDOUT_VAR,
661 INTF_STDOUT_DEFAULT ) ) == 0 )
663 /* No stdout redirection has been asked for */
664 intf_MsgImm( "\nPress the RETURN key to continue..." );
670 case 'H': /* -H, --longhelp */
674 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
675 if( strcmp( "", main_GetPszVariable( INTF_STDOUT_VAR,
676 INTF_STDOUT_DEFAULT ) ) == 0 )
678 /* No stdout redirection has been asked for */
679 intf_MsgImm( "\nPress the RETURN key to continue..." );
685 case OPT_VERSION: /* --version */
689 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
690 if( strcmp( "", main_GetPszVariable( INTF_STDOUT_VAR,
691 INTF_STDOUT_DEFAULT ) ) == 0 )
693 /* No stdout redirection has been asked for */
694 intf_MsgImm( "\nPress the RETURN key to continue..." );
700 case 'v': /* -v, --verbose */
701 p_main->i_warning_level++;
704 /* Interface warning messages level */
705 case 'I': /* -I, --intf */
706 main_PutPszVariable( INTF_METHOD_VAR, optarg );
708 case OPT_WARNING: /* --warning */
709 intf_ErrMsg( "intf error: `--warning' is deprecated, use `-v'" );
710 p_main->i_warning_level = atoi(optarg);
713 case OPT_STDOUT: /* --stdout */
714 main_PutPszVariable( INTF_STDOUT_VAR, optarg );
722 case OPT_NOAUDIO: /* --noaudio */
725 case 'A': /* -A, --aout */
726 main_PutPszVariable( AOUT_METHOD_VAR, optarg );
728 case OPT_STEREO: /* --stereo */
729 main_PutIntVariable( AOUT_STEREO_VAR, 1 );
731 case OPT_MONO: /* --mono */
732 main_PutIntVariable( AOUT_STEREO_VAR, 0 );
734 case OPT_SPDIF: /* --spdif */
735 main_PutIntVariable( AOUT_SPDIF_VAR, 1 );
737 case OPT_DOWNMIX: /* --downmix */
738 main_PutPszVariable( DOWNMIX_METHOD_VAR, optarg );
740 case OPT_IMDCT: /* --imdct */
741 main_PutPszVariable( IMDCT_METHOD_VAR, optarg );
743 case OPT_VOLUME: /* --volume */
744 main_PutIntVariable( AOUT_VOLUME_VAR, atoi(optarg) );
746 case OPT_DESYNC: /* --desync */
747 p_main->i_desync = atoi(optarg);
751 case OPT_NOVIDEO: /* --novideo */
754 case 'V': /* -V, --vout */
755 main_PutPszVariable( VOUT_METHOD_VAR, optarg );
757 case OPT_DISPLAY: /* --display */
758 main_PutPszVariable( VOUT_DISPLAY_VAR, optarg );
760 case OPT_WIDTH: /* --width */
761 main_PutPszVariable( VOUT_WIDTH_VAR, optarg );
763 case OPT_HEIGHT: /* --height */
764 main_PutPszVariable( VOUT_HEIGHT_VAR, optarg );
766 case 'g': /* -g, --grayscale */
767 main_PutIntVariable( VOUT_GRAYSCALE_VAR, 1 );
769 case OPT_COLOR: /* --color */
770 main_PutIntVariable( VOUT_GRAYSCALE_VAR, 0 );
772 case OPT_FULLSCREEN: /* --fullscreen */
773 main_PutIntVariable( VOUT_FULLSCREEN_VAR, 1 );
775 case OPT_OVERLAY: /* --overlay */
776 main_PutIntVariable( VOUT_OVERLAY_VAR, 1 );
778 case OPT_XVADAPTOR: /* --xvadaptor */
779 main_PutIntVariable( VOUT_XVADAPTOR_VAR, atoi(optarg) );
781 case OPT_MOTION: /* --motion */
782 main_PutPszVariable( MOTION_METHOD_VAR, optarg );
784 case OPT_IDCT: /* --idct */
785 main_PutPszVariable( IDCT_METHOD_VAR, optarg );
787 case OPT_YUV: /* --yuv */
788 main_PutPszVariable( YUV_METHOD_VAR, optarg );
790 case OPT_SMP: /* --smp */
791 main_PutIntVariable( VDEC_SMP_VAR, atoi(optarg) );
793 case OPT_FILTER: /* --filter */
794 main_PutPszVariable( VOUT_FILTER_VAR, optarg );
798 case 't': /* --dvdtitle */
799 main_PutIntVariable( INPUT_TITLE_VAR, atoi(optarg) );
801 case 'T': /* --dvdchapter */
802 main_PutIntVariable( INPUT_CHAPTER_VAR, atoi(optarg) );
804 case 'u': /* --dvdangle */
805 main_PutIntVariable( INPUT_ANGLE_VAR, atoi(optarg) );
807 case 'a': /* --dvdaudio */
808 if ( ! strcmp(optarg, "ac3") )
809 main_PutIntVariable( INPUT_AUDIO_VAR, REQUESTED_AC3 );
810 else if ( ! strcmp(optarg, "lpcm") )
811 main_PutIntVariable( INPUT_AUDIO_VAR, REQUESTED_LPCM );
812 else if ( ! strcmp(optarg, "mpeg") )
813 main_PutIntVariable( INPUT_AUDIO_VAR, REQUESTED_MPEG );
815 main_PutIntVariable( INPUT_AUDIO_VAR, REQUESTED_NOAUDIO );
817 case 'c': /* --dvdchannel */
818 main_PutIntVariable( INPUT_CHANNEL_VAR, atoi(optarg) );
820 case 's': /* --dvdsubtitle */
821 main_PutIntVariable( INPUT_SUBTITLE_VAR, atoi(optarg) );
823 case OPT_DVDCSS_METHOD: /* --dvdcss-method */
824 main_PutPszVariable( "DVDCSS_METHOD", optarg );
826 case OPT_DVDCSS_VERBOSE: /* --dvdcss-verbose */
827 main_PutPszVariable( "DVDCSS_VERBOSE", optarg );
831 case OPT_INPUT: /* --input */
832 main_PutPszVariable( INPUT_METHOD_VAR, optarg );
834 case OPT_CHANNELS: /* --channels */
835 main_PutIntVariable( INPUT_NETWORK_CHANNEL_VAR, 1 );
837 case OPT_CHANNELSERVER: /* --channelserver */
838 main_PutPszVariable( INPUT_CHANNEL_SERVER_VAR, optarg );
843 main_PutPszVariable( VPAR_SYNCHRO_VAR, optarg );
846 main_PutPszVariable( MEMCPY_METHOD_VAR, optarg );
849 /* Decoder options */
851 main_PutPszVariable( ADEC_MPEG_VAR, optarg );
856 p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_MMX;
860 p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_3DNOW;
864 p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_MMXEXT;
868 p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_SSE;
872 p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_ALTIVEC;
875 /* Internal error: unknown option */
880 intf_ErrMsg( "intf error: unknown option `%s'",
883 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
884 if( strcmp( "", main_GetPszVariable( INTF_STDOUT_VAR,
885 INTF_STDOUT_DEFAULT ) ) == 0 )
887 /* No stdout redirection has been asked for */
888 intf_MsgImm( "\nPress the RETURN key to continue..." );
897 if( p_main->i_warning_level < 0 )
899 p_main->i_warning_level = 0;
905 /*****************************************************************************
906 * GetFilenames: parse command line options which are not flags
907 *****************************************************************************
908 * Parse command line for input files.
909 *****************************************************************************/
910 static int GetFilenames( int i_argc, char *ppsz_argv[] )
914 /* We assume that the remaining parameters are filenames */
915 for( i_opt = optind; i_opt < i_argc; i_opt++ )
917 intf_PlaylistAdd( p_main->p_playlist, PLAYLIST_END,
918 ppsz_argv[ i_opt ] );
924 /*****************************************************************************
925 * Usage: print program usage
926 *****************************************************************************
927 * Print a short inline help. Message interface is initialized at this stage.
928 *****************************************************************************/
929 static void Usage( int i_fashion )
932 intf_MsgImm( "Usage: %s [options] [parameters] [file]...",
935 if( i_fashion == USAGE )
937 intf_MsgImm( "Try `%s --help' for more information.",
943 intf_MsgImm( "\nOptions:"
944 "\n -I, --intf <module> \tinterface method"
945 "\n -v, --verbose \tverbose mode (cumulative)"
946 "\n --stdout <filename> \tredirect console stdout"
947 "\n --memcpy <module> \tmemcpy method"
949 "\n --noaudio \tdisable audio"
950 "\n -A, --aout <module> \taudio output method"
951 "\n --stereo, --mono \tstereo/mono audio"
952 "\n --spdif \tAC3 pass-through mode"
953 "\n --downmix <module> \tAC3 downmix method"
954 "\n --imdct <module> \tAC3 IMDCT method"
955 "\n --volume [0..1024] \tVLC output volume"
956 "\n --desync <time in ms> \tCompensate desynchronization of the audio"
958 "\n --novideo \tdisable video"
959 "\n -V, --vout <module> \tvideo output method"
960 "\n --display <display> \tdisplay string"
961 "\n --width <w>, --height <h> \tdisplay dimensions"
962 "\n -g, --grayscale \tgrayscale output"
963 "\n --fullscreen \tfullscreen output"
964 "\n --overlay \taccelerated display"
965 "\n --xvadaptor <adaptor> \tXVideo adaptor"
966 "\n --color \tcolor output"
967 "\n --motion <module> \tmotion compensation method"
968 "\n --idct <module> \tIDCT method"
969 "\n --yuv <module> \tYUV method"
970 "\n --synchro <type> \tforce synchro algorithm"
971 "\n --smp <number of threads> \tuse several processors"
972 "\n --filter <module> \tvideo filter module"
974 "\n -t, --dvdtitle <num> \tchoose DVD title"
975 "\n -T, --dvdchapter <num> \tchoose DVD chapter"
976 "\n -u, --dvdangle <num> \tchoose DVD angle"
977 "\n -a, --dvdaudio <type> \tchoose DVD audio type"
978 "\n -c, --dvdchannel <channel> \tchoose DVD audio channel"
979 "\n -s, --dvdsubtitle <channel> \tchoose DVD subtitle channel"
980 "\n --dvdcss-method <method> \tselect dvdcss decryption method"
981 "\n --dvdcss-verbose <level> \tselect dvdcss verbose level"
983 "\n --input \tinput method"
984 "\n --channels \tenable channels"
985 "\n --channelserver <host> \tchannel server address"
987 "\n --mpeg_adec <builtin|mad> \tchoose audio decoder"
989 "\n --nommx \tdisable CPU's MMX support"
990 "\n --no3dnow \tdisable CPU's 3D Now! support"
991 "\n --nommxext \tdisable CPU's MMX EXT support"
992 "\n --nosse \tdisable CPU's SSE support"
993 "\n --noaltivec \tdisable CPU's AltiVec support"
995 "\n -h, --help \tprint help and exit"
996 "\n -H, --longhelp \tprint long help and exit"
997 "\n --version \toutput version information and exit"
998 "\n\nPlaylist items:"
999 "\n *.mpg, *.vob \tPlain MPEG-1/2 files"
1000 "\n dvd:<device>[@<raw device>] \tDVD device"
1001 "\n vcd:<device> \tVCD device"
1002 "\n udpstream:[<server>[:<server port>]][@[<bind address>][:<bind port>]]"
1003 "\n \tUDP stream sent by VLS"
1004 "\n vlc:loop \tLoop execution of the playlist"
1005 "\n vlc:pause \tPause execution of playlist items"
1006 "\n vlc:quit \tQuit VLC");
1008 if( i_fashion == SHORT_HELP )
1011 /* Interface parameters */
1012 intf_MsgImm( "\nInterface parameters:"
1013 "\n " INTF_METHOD_VAR "=<method name> \tinterface method"
1014 "\n " INTF_INIT_SCRIPT_VAR "=<filename> \tinitialization script"
1015 "\n " INTF_CHANNELS_VAR "=<filename> \tchannels list"
1016 "\n " INTF_STDOUT_VAR "=<filename> \tredirect console stdout"
1017 "\n " MEMCPY_METHOD_VAR "=<method name> \tmemcpy method" );
1019 /* Audio parameters */
1020 intf_MsgImm( "\nAudio parameters:"
1021 "\n " AOUT_METHOD_VAR "=<method name> \taudio method"
1022 "\n " AOUT_DSP_VAR "=<filename> \tdsp device path"
1023 "\n " AOUT_STEREO_VAR "={1|0} \tstereo or mono output"
1024 "\n " AOUT_SPDIF_VAR "={1|0} \tAC3 pass-through mode"
1025 "\n " DOWNMIX_METHOD_VAR "=<method name> \tAC3 downmix method"
1026 "\n " IMDCT_METHOD_VAR "=<method name> \tAC3 IMDCT method"
1027 "\n " AOUT_VOLUME_VAR "=[0..1024] \tVLC output volume"
1028 "\n " AOUT_RATE_VAR "=<rate> \toutput rate" );
1030 /* Video parameters */
1031 intf_MsgImm( "\nVideo parameters:"
1032 "\n " VOUT_METHOD_VAR "=<method name> \tdisplay method"
1033 "\n " VOUT_DISPLAY_VAR "=<display name> \tdisplay used"
1034 "\n " VOUT_WIDTH_VAR "=<width> \tdisplay width"
1035 "\n " VOUT_HEIGHT_VAR "=<height> \tdislay height"
1036 "\n " VOUT_FB_DEV_VAR "=<filename> \tframebuffer device path"
1037 "\n " VOUT_GRAYSCALE_VAR "={1|0} \tgrayscale or color output"
1038 "\n " VOUT_FULLSCREEN_VAR "={1|0} \tfullscreen"
1039 "\n " VOUT_OVERLAY_VAR "={1|0} \toverlay"
1040 "\n " VOUT_XVADAPTOR_VAR "=<adaptor> \tXVideo adaptor"
1041 "\n " MOTION_METHOD_VAR "=<method name> \tmotion compensation method"
1042 "\n " IDCT_METHOD_VAR "=<method name> \tIDCT method"
1043 "\n " YUV_METHOD_VAR "=<method name> \tYUV method"
1044 "\n " VPAR_SYNCHRO_VAR "={I|I+|IP|IP+|IPB} \tsynchro algorithm"
1045 "\n " VDEC_SMP_VAR "=<number of threads> \tuse several processors"
1046 "\n " VOUT_FILTER_VAR "=<method name> \tvideo filter method" );
1048 /* DVD parameters */
1049 intf_MsgImm( "\nDVD parameters:"
1050 "\n " INPUT_DVD_DEVICE_VAR "=<device> \tDVD device"
1051 "\n " INPUT_TITLE_VAR "=<title> \ttitle number"
1052 "\n " INPUT_CHAPTER_VAR "=<chapter> \tchapter number"
1053 "\n " INPUT_ANGLE_VAR "=<angle> \tangle number"
1054 "\n " INPUT_AUDIO_VAR "={ac3|lpcm|mpeg|off} \taudio type"
1055 "\n " INPUT_CHANNEL_VAR "=[0-15] \taudio channel"
1056 "\n " INPUT_SUBTITLE_VAR "=[0-31] \tsubtitle channel" );
1058 /* Input parameters */
1059 intf_MsgImm( "\nInput parameters:"
1060 "\n " INPUT_IFACE_VAR "=<interface> \tnetwork interface"
1061 "\n " INPUT_CHANNEL_SERVER_VAR "=<hostname> \tchannel server"
1062 "\n " INPUT_CHANNEL_PORT_VAR "=<port> \tchannel server port" );
1064 /* Decoder parameters */
1065 intf_MsgImm( "\nDecoder parameters:"
1066 "\n " ADEC_MPEG_VAR "=<builtin|mad> \taudio decoder" );
1069 /*****************************************************************************
1070 * Version: print complete program version
1071 *****************************************************************************
1072 * Print complete program version and build number.
1073 *****************************************************************************/
1074 static void Version( void )
1076 intf_MsgImm( VERSION_MESSAGE
1077 "This program comes with NO WARRANTY, to the extent permitted by law.\n"
1078 "You may redistribute it under the terms of the GNU General Public License;\n"
1079 "see the file named COPYING for details.\n"
1080 "Written by the VideoLAN team at Ecole Centrale, Paris." );
1083 /*****************************************************************************
1084 * InitSignalHandler: system signal handler initialization
1085 *****************************************************************************
1086 * Set the signal handlers. SIGTERM is not intercepted, because we need at
1087 * at least a method to kill the program when all other methods failed, and
1088 * when we don't want to use SIGKILL.
1089 *****************************************************************************/
1090 static void InitSignalHandler( void )
1092 /* Termination signals */
1094 signal( SIGINT, FatalSignalHandler );
1095 signal( SIGHUP, FatalSignalHandler );
1096 signal( SIGQUIT, FatalSignalHandler );
1099 signal( SIGALRM, SimpleSignalHandler );
1100 signal( SIGPIPE, SimpleSignalHandler );
1104 /*****************************************************************************
1105 * SimpleSignalHandler: system signal handler
1106 *****************************************************************************
1107 * This function is called when a non fatal signal is received by the program.
1108 *****************************************************************************/
1109 static void SimpleSignalHandler( int i_signal )
1111 /* Acknowledge the signal received */
1112 intf_WarnMsg( 0, "intf: ignoring signal %d", i_signal );
1115 /*****************************************************************************
1116 * FatalSignalHandler: system signal handler
1117 *****************************************************************************
1118 * This function is called when a fatal signal is received by the program.
1119 * It tries to end the program in a clean way.
1120 *****************************************************************************/
1121 static void FatalSignalHandler( int i_signal )
1123 /* Once a signal has been trapped, the termination sequence will be
1124 * armed and following signals will be ignored to avoid sending messages
1125 * to an interface having been destroyed */
1127 signal( SIGINT, SIG_IGN );
1128 signal( SIGHUP, SIG_IGN );
1129 signal( SIGQUIT, SIG_IGN );
1132 /* Acknowledge the signal received */
1133 intf_ErrMsgImm( "intf error: signal %d received, exiting", i_signal );
1135 /* Try to terminate everything - this is done by requesting the end of the
1136 * interface thread */
1137 p_main->p_intf->b_die = 1;
1140 /*****************************************************************************
1141 * IllegalSignalHandler: system signal handler
1142 *****************************************************************************
1143 * This function is called when a illegal instruction signal is received by
1144 * the program. We use this function to test OS and CPU capabilities
1145 *****************************************************************************/
1146 static void IllegalSignalHandler( int i_signal )
1148 /* Acknowledge the signal received */
1151 #ifdef HAVE_SIGRELSE
1152 sigrelse( i_signal );
1155 fprintf( stderr, "warning: your CPU has %s instructions, but not your "
1156 "operating system.\n", psz_capability );
1157 fprintf( stderr, " some optimizations will be disabled unless "
1158 "you upgrade your OS\n" );
1160 fprintf( stderr, " (for instance Linux kernel 2.4.x or later)" );
1166 /*****************************************************************************
1167 * CPUCapabilities: list the processors MMX support and other capabilities
1168 *****************************************************************************
1169 * This function is called to list extensions the CPU may have.
1170 *****************************************************************************/
1171 static u32 CPUCapabilities( void )
1173 volatile u32 i_capabilities = CPU_CAPABILITY_NONE;
1175 #if defined( SYS_DARWIN )
1176 struct host_basic_info hi;
1178 host_name_port_t host;
1181 char *psz_name, *psz_subname;
1183 i_capabilities |= CPU_CAPABILITY_FPU;
1185 /* Should 'never' fail? */
1186 host = mach_host_self();
1188 i_size = sizeof( hi ) / sizeof( int );
1189 ret = host_info( host, HOST_BASIC_INFO, ( host_info_t )&hi, &i_size );
1191 if( ret != KERN_SUCCESS )
1193 fprintf( stderr, "error: couldn't get CPU information\n" );
1194 return( i_capabilities );
1197 slot_name( hi.cpu_type, hi.cpu_subtype, &psz_name, &psz_subname );
1198 /* FIXME: need better way to detect newer proccessors.
1199 * could do strncmp(a,b,5), but that's real ugly */
1200 if( !strcmp(psz_name, "ppc7400") || !strcmp(psz_name, "ppc7450") )
1202 i_capabilities |= CPU_CAPABILITY_ALTIVEC;
1205 return( i_capabilities );
1207 #elif defined( __i386__ )
1208 volatile unsigned int i_eax, i_ebx, i_ecx, i_edx;
1209 volatile boolean_t b_amd;
1211 /* Needed for x86 CPU capabilities detection */
1212 # define cpuid( a ) \
1213 asm volatile ( "pushl %%ebx\n\t" \
1215 "movl %%ebx,%1\n\t" \
1224 i_capabilities |= CPU_CAPABILITY_FPU;
1226 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1227 signal( SIGILL, IllegalSignalHandler );
1230 /* test for a 486 CPU */
1231 asm volatile ( "pushl %%ebx\n\t"
1234 "movl %%eax, %%ebx\n\t"
1235 "xorl $0x200000, %%eax\n\t"
1247 if( i_eax == i_ebx )
1249 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1250 signal( SIGILL, NULL );
1252 return( i_capabilities );
1255 i_capabilities |= CPU_CAPABILITY_486;
1257 /* the CPU supports the CPUID instruction - get its level */
1258 cpuid( 0x00000000 );
1262 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1263 signal( SIGILL, NULL );
1265 return( i_capabilities );
1268 /* FIXME: this isn't correct, since some 486s have cpuid */
1269 i_capabilities |= CPU_CAPABILITY_586;
1271 /* borrowed from mpeg2dec */
1272 b_amd = ( i_ebx == 0x68747541 ) && ( i_ecx == 0x444d4163 )
1273 && ( i_edx == 0x69746e65 );
1275 /* test for the MMX flag */
1276 cpuid( 0x00000001 );
1278 if( ! (i_edx & 0x00800000) )
1280 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1281 signal( SIGILL, NULL );
1283 return( i_capabilities );
1286 i_capabilities |= CPU_CAPABILITY_MMX;
1288 if( i_edx & 0x02000000 )
1290 i_capabilities |= CPU_CAPABILITY_MMXEXT;
1292 # ifdef CAN_COMPILE_SSE
1293 /* We test if OS support the SSE instructions */
1294 psz_capability = "SSE";
1296 if( setjmp( env ) == 0 )
1298 /* Test a SSE instruction */
1299 __asm__ __volatile__ ( "xorps %%xmm0,%%xmm0\n" : : );
1302 if( i_illegal == 0 )
1304 i_capabilities |= CPU_CAPABILITY_SSE;
1308 fprintf( stderr, "warning: your OS doesn't have support for "
1309 "SSE instructions, some optimizations\n"
1312 " (you will need Linux kernel 2.4.x or later)"
1319 /* test for additional capabilities */
1320 cpuid( 0x80000000 );
1322 if( i_eax < 0x80000001 )
1324 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1325 signal( SIGILL, NULL );
1327 return( i_capabilities );
1330 /* list these additional capabilities */
1331 cpuid( 0x80000001 );
1333 # ifdef CAN_COMPILE_3DNOW
1334 if( i_edx & 0x80000000 )
1336 psz_capability = "3D Now!";
1338 if( setjmp( env ) == 0 )
1340 /* Test a 3D Now! instruction */
1341 __asm__ __volatile__ ( "pfadd %%mm0,%%mm0\n" "femms\n" : : );
1344 if( i_illegal == 0 )
1346 i_capabilities |= CPU_CAPABILITY_3DNOW;
1351 if( b_amd && ( i_edx & 0x00400000 ) )
1353 i_capabilities |= CPU_CAPABILITY_MMXEXT;
1356 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1357 signal( SIGILL, NULL );
1359 return( i_capabilities );
1361 #elif defined( __powerpc__ )
1363 i_capabilities |= CPU_CAPABILITY_FPU;
1365 # ifdef CAN_COMPILE_ALTIVEC
1366 signal( SIGILL, IllegalSignalHandler );
1368 psz_capability = "AltiVec";
1370 if( setjmp( env ) == 0 )
1372 asm volatile ("mtspr 256, %0\n\t"
1373 "vand %%v0, %%v0, %%v0"
1378 if( i_illegal == 0 )
1380 i_capabilities |= CPU_CAPABILITY_ALTIVEC;
1383 signal( SIGILL, NULL );
1386 return( i_capabilities );
1389 /* default behaviour */
1390 return( i_capabilities );
1395 /*****************************************************************************
1396 * RedirectSTDOUT: redirect stdout and stderr to a file
1397 *****************************************************************************
1398 * This function will redirect stdout and stderr to a file if the user has
1400 *****************************************************************************/
1401 static int RedirectSTDOUT( void )
1406 psz_filename = main_GetPszVariable( INTF_STDOUT_VAR, INTF_STDOUT_DEFAULT );
1411 i_fd = open( psz_filename, O_CREAT | O_TRUNC | O_RDWR,
1412 S_IREAD | S_IWRITE );
1413 if( dup2( i_fd, fileno(stdout) ) == -1 )
1415 intf_ErrMsg( "warning: unable to redirect stdout" );
1418 if( dup2( i_fd, fileno(stderr) ) == -1 )
1420 intf_ErrMsg( "warning: unable to redirect stderr" );
1427 /* No stdout redirection has been asked so open a console */
1428 if( p_main->i_warning_level )
1438 /*****************************************************************************
1439 * ShowConsole: On Win32, create an output console for debug messages
1440 *****************************************************************************
1441 * This function is usefull only on Win32.
1442 *****************************************************************************/
1443 static void ShowConsole( void )
1447 freopen( "CONOUT$", "w", stdout );
1448 freopen( "CONOUT$", "w", stderr );
1449 freopen( "CONIN$", "r", stdin );