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 1.141 2001/12/30 07:09:56 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
141 static const struct option longopts[] =
143 /* name, has_arg, flag, val */
145 /* General/common options */
146 { "help", 0, 0, 'h' },
147 { "longhelp", 0, 0, 'H' },
148 { "version", 0, 0, OPT_VERSION },
150 /* Interface options */
151 { "intf", 1, 0, 'I' },
152 { "warning", 1, 0, OPT_WARNING },
153 { "stdout", 1, 0, OPT_STDOUT },
154 { "stats", 0, 0, OPT_STATS },
157 { "noaudio", 0, 0, OPT_NOAUDIO },
158 { "aout", 1, 0, 'A' },
159 { "stereo", 0, 0, OPT_STEREO },
160 { "mono", 0, 0, OPT_MONO },
161 { "spdif", 0, 0, OPT_SPDIF },
162 { "downmix", 1, 0, OPT_DOWNMIX },
163 { "imdct", 1, 0, OPT_IMDCT },
164 { "volume", 1, 0, OPT_VOLUME },
165 { "desync", 1, 0, OPT_DESYNC },
168 { "novideo", 0, 0, OPT_NOVIDEO },
169 { "vout", 1, 0, 'V' },
170 { "display", 1, 0, OPT_DISPLAY },
171 { "width", 1, 0, OPT_WIDTH },
172 { "height", 1, 0, OPT_HEIGHT },
173 { "grayscale", 0, 0, 'g' },
174 { "color", 0, 0, OPT_COLOR },
175 { "motion", 1, 0, OPT_MOTION },
176 { "idct", 1, 0, OPT_IDCT },
177 { "yuv", 1, 0, OPT_YUV },
178 { "fullscreen", 0, 0, OPT_FULLSCREEN },
179 { "overlay", 0, 0, OPT_OVERLAY },
180 { "xvadaptor", 1, 0, OPT_XVADAPTOR },
181 { "smp", 1, 0, OPT_SMP },
182 { "filter", 1, 0, OPT_FILTER },
185 { "dvdtitle", 1, 0, 't' },
186 { "dvdchapter", 1, 0, 'T' },
187 { "dvdangle", 1, 0, 'u' },
188 { "dvdaudio", 1, 0, 'a' },
189 { "dvdchannel", 1, 0, 'c' },
190 { "dvdsubtitle", 1, 0, 's' },
191 { "dvdcss-method", 1, 0, OPT_DVDCSS_METHOD },
192 { "dvdcss-verbose", 1, 0, OPT_DVDCSS_VERBOSE },
195 { "input", 1, 0, OPT_INPUT },
196 { "channels", 0, 0, OPT_CHANNELS },
197 { "channelserver", 1, 0, OPT_CHANNELSERVER },
200 { "synchro", 1, 0, OPT_SYNCHRO },
201 { "memcpy", 1, 0, OPT_MEMCPY },
203 /* Decoder options */
204 { "mpeg_adec", 1, 0, OPT_MPEG_ADEC },
210 static const char *psz_shortopts = "hHvgt:T:u:a:s:c:I:A:V:";
212 /*****************************************************************************
213 * Global variables - these are the only ones, see main.h and modules.h
214 *****************************************************************************/
216 module_bank_t *p_module_bank;
217 aout_bank_t *p_aout_bank;
218 vout_bank_t *p_vout_bank;
220 /*****************************************************************************
222 *****************************************************************************/
223 static int GetConfiguration ( int *pi_argc, char *ppsz_argv[],
225 static int GetFilenames ( int i_argc, char *ppsz_argv[] );
226 static void Usage ( int i_fashion );
227 static void Version ( void );
229 static void InitSignalHandler ( void );
230 static void SimpleSignalHandler ( int i_signal );
231 static void FatalSignalHandler ( int i_signal );
232 static void InstructionSignalHandler( int i_signal );
233 static u32 CPUCapabilities ( void );
235 static int RedirectSTDOUT ( void );
236 static void ShowConsole ( void );
239 static int i_illegal;
241 /*****************************************************************************
242 * main: parse command line, start interface and spawn threads
243 *****************************************************************************
244 * Steps during program execution are:
245 * -configuration parsing and messages interface initialization
246 * -opening of audio output device and some global modules
247 * -execution of interface, which exit on error or on user request
248 * -closing of audio output device and some global modules
249 * On error, the spawned threads are canceled, and the open devices closed.
250 *****************************************************************************/
251 int main( int i_argc, char *ppsz_argv[], char *ppsz_env[] )
253 main_t main_data; /* root of all data - see main.h */
254 module_bank_t module_bank;
255 aout_bank_t aout_bank;
256 vout_bank_t vout_bank;
258 p_main = &main_data; /* set up the global variables */
259 p_module_bank = &module_bank;
260 p_aout_bank = &aout_bank;
261 p_vout_bank = &vout_bank;
267 #if defined( HAVE_LOCALE_H ) && defined( HAVE_LC_MESSAGES )
268 if( !setlocale( LC_MESSAGES, "" ) )
270 fprintf( stderr, "warning: unsupported locale.\n" );
274 if( !bindtextdomain( PACKAGE, LOCALEDIR ) )
276 fprintf( stderr, "warning: no domain %s in directory %s\n",
277 PACKAGE, LOCALEDIR );
280 textdomain( PACKAGE );
284 * Initialize threads system
289 * Test if our code is likely to run on this CPU
291 p_main->i_cpu_capabilities = CPUCapabilities();
294 * System specific initialization code
296 #if defined( SYS_BEOS ) || defined( SYS_DARWIN ) || defined( WIN32 )
297 system_Init( &i_argc, ppsz_argv, ppsz_env );
299 #elif defined( SYS_LINUX )
301 /* Activate malloc checking routines to detect heap corruptions. */
302 main_PutIntVariable( "MALLOC_CHECK_", 2 );
307 * Initialize messages interface
309 p_main->p_msg = intf_MsgCreate();
310 if( !p_main->p_msg ) /* start messages interface */
312 fprintf( stderr, "error: can't initialize messages interface (%s)\n",
317 intf_MsgImm( COPYRIGHT_MESSAGE "\n" );
322 if( GetConfiguration( &i_argc, ppsz_argv, ppsz_env ) ) /* parse cmd line */
329 * Redirect the standard output if required by the user, and on Win32 we
330 * also open a console to display the debug messages.
334 if( p_main->b_stats )
336 char p_capabilities[200];
337 p_capabilities[0] = '\0';
339 #define PRINT_CAPABILITY( capability, string ) \
340 if( p_main->i_cpu_capabilities & capability ) \
342 strncat( p_capabilities, string " ", \
343 sizeof(p_capabilities) - strlen(p_capabilities) ); \
344 p_capabilities[sizeof(p_capabilities) - 1] = '\0'; \
347 PRINT_CAPABILITY( CPU_CAPABILITY_486, "486" );
348 PRINT_CAPABILITY( CPU_CAPABILITY_586, "586" );
349 PRINT_CAPABILITY( CPU_CAPABILITY_PPRO, "Pentium Pro" );
350 PRINT_CAPABILITY( CPU_CAPABILITY_MMX, "MMX" );
351 PRINT_CAPABILITY( CPU_CAPABILITY_3DNOW, "3DNow!" );
352 PRINT_CAPABILITY( CPU_CAPABILITY_MMXEXT, "MMXEXT" );
353 PRINT_CAPABILITY( CPU_CAPABILITY_SSE, "SSE" );
354 PRINT_CAPABILITY( CPU_CAPABILITY_ALTIVEC, "Altivec" );
355 PRINT_CAPABILITY( CPU_CAPABILITY_FPU, "FPU" );
356 intf_StatMsg( "info: CPU has capabilities : %s", p_capabilities );
360 * Initialize playlist and get commandline files
362 p_main->p_playlist = intf_PlaylistCreate();
363 if( !p_main->p_playlist )
365 intf_ErrMsg( "playlist error: playlist initialization failed" );
369 intf_PlaylistInit( p_main->p_playlist );
372 * Get input filenames given as commandline arguments
374 GetFilenames( i_argc, ppsz_argv );
377 * Initialize module, aout and vout banks
384 * Choose the best memcpy module
386 if( module_NeedMemcpy( &p_main->memcpy ) )
388 intf_ErrMsg( "intf error: no suitable memcpy module, "
389 "using libc default" );
390 p_main->memcpy.pf_memcpy = memcpy;
394 * Initialize shared resources and libraries
396 if( main_GetIntVariable( INPUT_NETWORK_CHANNEL_VAR,
397 INPUT_NETWORK_CHANNEL_DEFAULT ) &&
398 network_ChannelCreate() )
400 /* On error during Channels initialization, switch off channels */
401 intf_Msg( "Channels initialization failed : "
402 "Channel management is deactivated" );
403 main_PutIntVariable( INPUT_NETWORK_CHANNEL_VAR, 0 );
407 * Try to run the interface
409 p_main->p_intf = intf_Create();
410 if( p_main->p_intf == NULL )
412 intf_ErrMsg( "intf error: interface initialization failed" );
417 * Set signal handling policy for all threads
422 * This is the main loop
424 p_main->p_intf->pf_run( p_main->p_intf );
427 * Finished, destroy the interface
429 intf_Destroy( p_main->p_intf );
432 * Go back into channel 0 which is the network
434 if( main_GetIntVariable( INPUT_NETWORK_CHANNEL_VAR,
435 INPUT_NETWORK_CHANNEL_DEFAULT ) )
437 network_ChannelJoin( COMMON_CHANNEL );
442 * Free memcpy module if it was allocated
444 if( p_main->memcpy.p_module != NULL )
446 module_UnneedMemcpy( &p_main->memcpy );
450 * Free module, aout and vout banks
459 intf_PlaylistDestroy( p_main->p_playlist );
462 * System specific cleaning code
464 #if defined( SYS_BEOS ) || defined( SYS_DARWIN ) || defined( WIN32 )
470 * Terminate messages interface and program
472 intf_Msg( "intf: program terminated" );
476 * Stop threads system
483 /*****************************************************************************
484 * main_GetIntVariable: get the int value of an environment variable
485 *****************************************************************************
486 * This function is used to read some default parameters in modules.
487 *****************************************************************************/
488 int main_GetIntVariable( char *psz_name, int i_default )
490 char * psz_env; /* environment value */
491 char * psz_end; /* end of parsing index */
492 long int i_value; /* value */
494 psz_env = getenv( psz_name );
497 i_value = strtol( psz_env, &psz_end, 0 );
498 if( (*psz_env != '\0') && (*psz_end == '\0') )
506 /*****************************************************************************
507 * main_GetPszVariable: get the string value of an environment variable
508 *****************************************************************************
509 * This function is used to read some default parameters in modules.
510 *****************************************************************************/
511 char * main_GetPszVariable( char *psz_name, char *psz_default )
515 psz_env = getenv( psz_name );
520 return( psz_default );
523 /*****************************************************************************
524 * main_PutPszVariable: set the string value of an environment variable
525 *****************************************************************************
526 * This function is used to set some default parameters in modules. The use of
527 * this function will cause some memory leak: since some systems use the pointer
528 * passed to putenv to store the environment string, it can't be freed.
529 *****************************************************************************/
530 void main_PutPszVariable( char *psz_name, char *psz_value )
534 psz_env = malloc( strlen(psz_name) + strlen(psz_value) + 2 );
535 if( psz_env == NULL )
537 intf_ErrMsg( "intf error: cannot create psz_env (%s)",
542 sprintf( psz_env, "%s=%s", psz_name, psz_value );
543 if( putenv( psz_env ) )
545 intf_ErrMsg( "intf error: cannot putenv (%s)", strerror(errno) );
550 /*****************************************************************************
551 * main_PutIntVariable: set the integer value of an environment variable
552 *****************************************************************************
553 * This function is used to set some default parameters in modules. The use of
554 * this function will cause some memory leak: since some systems use the pointer
555 * passed to putenv to store the environment string, it can't be freed.
556 *****************************************************************************/
557 void main_PutIntVariable( char *psz_name, int i_value )
559 char psz_value[ 256 ]; /* buffer for value */
561 sprintf( psz_value, "%d", i_value );
562 main_PutPszVariable( psz_name, psz_value );
565 /* following functions are local */
567 /*****************************************************************************
568 * GetConfiguration: parse command line
569 *****************************************************************************
570 * Parse command line and configuration file for configuration. If the inline
571 * help is requested, the function Usage() is called and the function returns
572 * -1 (causing main() to exit). The messages interface is initialized at this
573 * stage, but most structures are not allocated, so only environment should
575 *****************************************************************************/
576 static int GetConfiguration( int *pi_argc, char *ppsz_argv[], char *ppsz_env[] )
581 /* Set default configuration and copy arguments */
582 p_main->i_argc = *pi_argc;
583 p_main->ppsz_argv = ppsz_argv;
584 p_main->ppsz_env = ppsz_env;
589 p_main->i_warning_level = 0;
591 p_main->i_desync = 0; /* No desynchronization by default */
593 p_main->p_channel = NULL;
595 /* Get the executable name (similar to the basename command) */
596 p_main->psz_arg0 = p_tmp = ppsz_argv[ 0 ];
601 p_main->psz_arg0 = ++p_tmp;
610 /* When vlc.app is run by double clicking in Mac OS X, the 2nd arg
611 * is the PSN - process serial number (a unique PID-ish thingie)
612 * still ok for real Darwin & when run from command line */
613 if ( (*pi_argc > 1) && (strncmp( ppsz_argv[ 1 ] , "-psn" , 4 ) == 0) )
614 /* for example -psn_0_9306113 */
616 /* GDMF!... I can't do this or else the MacOSX window server will
617 * not pick up the PSN and not register the app and we crash...
618 * hence the following kludge otherwise we'll get confused w/ argv[1]
619 * being an input file name */
621 ppsz_argv[ 1 ] = NULL;
623 *pi_argc = *pi_argc - 1;
629 /* Parse command line options */
631 while( ( i_cmd = getopt_long( *pi_argc, ppsz_argv,
632 psz_shortopts, longopts, 0 ) ) != EOF )
636 /* General/common options */
637 case 'h': /* -h, --help */
641 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
642 if( strcmp( "", main_GetPszVariable( INTF_STDOUT_VAR,
643 INTF_STDOUT_DEFAULT ) ) == 0 )
645 /* No stdout redirection has been asked for */
646 intf_MsgImm( "\nPress the RETURN key to continue..." );
652 case 'H': /* -H, --longhelp */
656 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
657 if( strcmp( "", main_GetPszVariable( INTF_STDOUT_VAR,
658 INTF_STDOUT_DEFAULT ) ) == 0 )
660 /* No stdout redirection has been asked for */
661 intf_MsgImm( "\nPress the RETURN key to continue..." );
667 case OPT_VERSION: /* --version */
671 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
672 if( strcmp( "", main_GetPszVariable( INTF_STDOUT_VAR,
673 INTF_STDOUT_DEFAULT ) ) == 0 )
675 /* No stdout redirection has been asked for */
676 intf_MsgImm( "\nPress the RETURN key to continue..." );
682 case 'v': /* -v, --verbose */
683 p_main->i_warning_level++;
686 /* Interface warning messages level */
687 case 'I': /* -I, --intf */
688 main_PutPszVariable( INTF_METHOD_VAR, optarg );
690 case OPT_WARNING: /* --warning */
691 intf_ErrMsg( "intf error: `--warning' is deprecated, use `-v'" );
692 p_main->i_warning_level = atoi(optarg);
695 case OPT_STDOUT: /* --stdout */
696 main_PutPszVariable( INTF_STDOUT_VAR, optarg );
704 case OPT_NOAUDIO: /* --noaudio */
707 case 'A': /* -A, --aout */
708 main_PutPszVariable( AOUT_METHOD_VAR, optarg );
710 case OPT_STEREO: /* --stereo */
711 main_PutIntVariable( AOUT_STEREO_VAR, 1 );
713 case OPT_MONO: /* --mono */
714 main_PutIntVariable( AOUT_STEREO_VAR, 0 );
716 case OPT_SPDIF: /* --spdif */
717 main_PutIntVariable( AOUT_SPDIF_VAR, 1 );
719 case OPT_DOWNMIX: /* --downmix */
720 main_PutPszVariable( DOWNMIX_METHOD_VAR, optarg );
722 case OPT_IMDCT: /* --imdct */
723 main_PutPszVariable( IMDCT_METHOD_VAR, optarg );
725 case OPT_VOLUME: /* --volume */
726 main_PutIntVariable( AOUT_VOLUME_VAR, atoi(optarg) );
728 case OPT_DESYNC: /* --desync */
729 p_main->i_desync = atoi(optarg);
733 case OPT_NOVIDEO: /* --novideo */
736 case 'V': /* -V, --vout */
737 main_PutPszVariable( VOUT_METHOD_VAR, optarg );
739 case OPT_DISPLAY: /* --display */
740 main_PutPszVariable( VOUT_DISPLAY_VAR, optarg );
742 case OPT_WIDTH: /* --width */
743 main_PutPszVariable( VOUT_WIDTH_VAR, optarg );
745 case OPT_HEIGHT: /* --height */
746 main_PutPszVariable( VOUT_HEIGHT_VAR, optarg );
748 case 'g': /* -g, --grayscale */
749 main_PutIntVariable( VOUT_GRAYSCALE_VAR, 1 );
751 case OPT_COLOR: /* --color */
752 main_PutIntVariable( VOUT_GRAYSCALE_VAR, 0 );
754 case OPT_FULLSCREEN: /* --fullscreen */
755 main_PutIntVariable( VOUT_FULLSCREEN_VAR, 1 );
757 case OPT_OVERLAY: /* --overlay */
758 main_PutIntVariable( VOUT_OVERLAY_VAR, 1 );
760 case OPT_XVADAPTOR: /* --xvadaptor */
761 main_PutIntVariable( VOUT_XVADAPTOR_VAR, atoi(optarg) );
763 case OPT_MOTION: /* --motion */
764 main_PutPszVariable( MOTION_METHOD_VAR, optarg );
766 case OPT_IDCT: /* --idct */
767 main_PutPszVariable( IDCT_METHOD_VAR, optarg );
769 case OPT_YUV: /* --yuv */
770 main_PutPszVariable( YUV_METHOD_VAR, optarg );
772 case OPT_SMP: /* --smp */
773 main_PutIntVariable( VDEC_SMP_VAR, atoi(optarg) );
775 case OPT_FILTER: /* --filter */
776 main_PutPszVariable( VOUT_FILTER_VAR, optarg );
780 case 't': /* --dvdtitle */
781 main_PutIntVariable( INPUT_TITLE_VAR, atoi(optarg) );
783 case 'T': /* --dvdchapter */
784 main_PutIntVariable( INPUT_CHAPTER_VAR, atoi(optarg) );
786 case 'u': /* --dvdangle */
787 main_PutIntVariable( INPUT_ANGLE_VAR, atoi(optarg) );
789 case 'a': /* --dvdaudio */
790 if ( ! strcmp(optarg, "ac3") )
791 main_PutIntVariable( INPUT_AUDIO_VAR, REQUESTED_AC3 );
792 else if ( ! strcmp(optarg, "lpcm") )
793 main_PutIntVariable( INPUT_AUDIO_VAR, REQUESTED_LPCM );
794 else if ( ! strcmp(optarg, "mpeg") )
795 main_PutIntVariable( INPUT_AUDIO_VAR, REQUESTED_MPEG );
797 main_PutIntVariable( INPUT_AUDIO_VAR, REQUESTED_NOAUDIO );
799 case 'c': /* --dvdchannel */
800 main_PutIntVariable( INPUT_CHANNEL_VAR, atoi(optarg) );
802 case 's': /* --dvdsubtitle */
803 main_PutIntVariable( INPUT_SUBTITLE_VAR, atoi(optarg) );
805 case OPT_DVDCSS_METHOD: /* --dvdcss-method */
806 main_PutPszVariable( "DVDCSS_METHOD", optarg );
808 case OPT_DVDCSS_VERBOSE: /* --dvdcss-verbose */
809 main_PutPszVariable( "DVDCSS_VERBOSE", optarg );
813 case OPT_INPUT: /* --input */
814 main_PutPszVariable( INPUT_METHOD_VAR, optarg );
816 case OPT_CHANNELS: /* --channels */
817 main_PutIntVariable( INPUT_NETWORK_CHANNEL_VAR, 1 );
819 case OPT_CHANNELSERVER: /* --channelserver */
820 main_PutPszVariable( INPUT_CHANNEL_SERVER_VAR, optarg );
825 main_PutPszVariable( VPAR_SYNCHRO_VAR, optarg );
828 main_PutPszVariable( MEMCPY_METHOD_VAR, optarg );
831 /* Decoder options */
833 main_PutPszVariable( ADEC_MPEG_VAR, optarg );
836 /* Internal error: unknown option */
841 intf_ErrMsg( "intf error: unknown option `%s'",
844 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
845 if( strcmp( "", main_GetPszVariable( INTF_STDOUT_VAR,
846 INTF_STDOUT_DEFAULT ) ) == 0 )
848 /* No stdout redirection has been asked for */
849 intf_MsgImm( "\nPress the RETURN key to continue..." );
858 if( p_main->i_warning_level < 0 )
860 p_main->i_warning_level = 0;
866 /*****************************************************************************
867 * GetFilenames: parse command line options which are not flags
868 *****************************************************************************
869 * Parse command line for input files.
870 *****************************************************************************/
871 static int GetFilenames( int i_argc, char *ppsz_argv[] )
875 /* We assume that the remaining parameters are filenames */
876 for( i_opt = optind; i_opt < i_argc; i_opt++ )
878 intf_PlaylistAdd( p_main->p_playlist, PLAYLIST_END,
879 ppsz_argv[ i_opt ] );
885 /*****************************************************************************
886 * Usage: print program usage
887 *****************************************************************************
888 * Print a short inline help. Message interface is initialized at this stage.
889 *****************************************************************************/
890 static void Usage( int i_fashion )
893 intf_MsgImm( "Usage: %s [options] [parameters] [file]...",
896 if( i_fashion == USAGE )
898 intf_MsgImm( "Try `%s --help' for more information.",
904 intf_MsgImm( "\nOptions:"
905 "\n -I, --intf <module> \tinterface method"
906 "\n -v, --verbose \tverbose mode (cumulative)"
907 "\n --stdout <filename> \tredirect console stdout"
908 "\n --memcpy <module> \tmemcpy method"
910 "\n --noaudio \tdisable audio"
911 "\n -A, --aout <module> \taudio output method"
912 "\n --stereo, --mono \tstereo/mono audio"
913 "\n --spdif \tAC3 pass-through mode"
914 "\n --downmix <module> \tAC3 downmix method"
915 "\n --imdct <module> \tAC3 IMDCT method"
916 "\n --volume [0..1024] \tVLC output volume"
917 "\n --desync <time in ms> \tCompensate desynchronization of the audio"
919 "\n --novideo \tdisable video"
920 "\n -V, --vout <module> \tvideo output method"
921 "\n --display <display> \tdisplay string"
922 "\n --width <w>, --height <h> \tdisplay dimensions"
923 "\n -g, --grayscale \tgrayscale output"
924 "\n --fullscreen \tfullscreen output"
925 "\n --overlay \taccelerated display"
926 "\n --xvadaptor <adaptor> \tXVideo adaptor"
927 "\n --color \tcolor output"
928 "\n --motion <module> \tmotion compensation method"
929 "\n --idct <module> \tIDCT method"
930 "\n --yuv <module> \tYUV method"
931 "\n --synchro <type> \tforce synchro algorithm"
932 "\n --smp <number of threads> \tuse several processors"
933 "\n --filter <module> \tvideo filter module"
935 "\n -t, --dvdtitle <num> \tchoose DVD title"
936 "\n -T, --dvdchapter <num> \tchoose DVD chapter"
937 "\n -u, --dvdangle <num> \tchoose DVD angle"
938 "\n -a, --dvdaudio <type> \tchoose DVD audio type"
939 "\n -c, --dvdchannel <channel> \tchoose DVD audio channel"
940 "\n -s, --dvdsubtitle <channel> \tchoose DVD subtitle channel"
941 "\n --dvdcss-method <method> \tselect dvdcss decryption method"
942 "\n --dvdcss-verbose <level> \tselect dvdcss verbose level"
944 "\n --input \tinput method"
945 "\n --channels \tenable channels"
946 "\n --channelserver <host> \tchannel server address"
948 "\n --mpeg_adec <builtin|mad> \tchoose audio decoder"
950 "\n -h, --help \tprint help and exit"
951 "\n -H, --longhelp \tprint long help and exit"
952 "\n --version \toutput version information and exit"
953 "\n\nPlaylist items:"
954 "\n *.mpg, *.vob \tPlain MPEG-1/2 files"
955 "\n dvd:<device>[@<raw device>] \tDVD device"
956 "\n vcd:<device> \tVCD device"
957 "\n udpstream:[<server>[:<server port>]][@[<bind address>][:<bind port>]]"
958 "\n \tUDP stream sent by VLS"
959 "\n vlc:loop \tLoop execution of the playlist"
960 "\n vlc:pause \tPause execution of playlist items"
961 "\n vlc:quit \tQuit VLC");
963 if( i_fashion == SHORT_HELP )
966 /* Interface parameters */
967 intf_MsgImm( "\nInterface parameters:"
968 "\n " INTF_METHOD_VAR "=<method name> \tinterface method"
969 "\n " INTF_INIT_SCRIPT_VAR "=<filename> \tinitialization script"
970 "\n " INTF_CHANNELS_VAR "=<filename> \tchannels list"
971 "\n " INTF_STDOUT_VAR "=<filename> \tredirect console stdout"
972 "\n " MEMCPY_METHOD_VAR "=<method name> \tmemcpy method" );
974 /* Audio parameters */
975 intf_MsgImm( "\nAudio parameters:"
976 "\n " AOUT_METHOD_VAR "=<method name> \taudio method"
977 "\n " AOUT_DSP_VAR "=<filename> \tdsp device path"
978 "\n " AOUT_STEREO_VAR "={1|0} \tstereo or mono output"
979 "\n " AOUT_SPDIF_VAR "={1|0} \tAC3 pass-through mode"
980 "\n " DOWNMIX_METHOD_VAR "=<method name> \tAC3 downmix method"
981 "\n " IMDCT_METHOD_VAR "=<method name> \tAC3 IMDCT method"
982 "\n " AOUT_VOLUME_VAR "=[0..1024] \tVLC output volume"
983 "\n " AOUT_RATE_VAR "=<rate> \toutput rate" );
985 /* Video parameters */
986 intf_MsgImm( "\nVideo parameters:"
987 "\n " VOUT_METHOD_VAR "=<method name> \tdisplay method"
988 "\n " VOUT_DISPLAY_VAR "=<display name> \tdisplay used"
989 "\n " VOUT_WIDTH_VAR "=<width> \tdisplay width"
990 "\n " VOUT_HEIGHT_VAR "=<height> \tdislay height"
991 "\n " VOUT_FB_DEV_VAR "=<filename> \tframebuffer device path"
992 "\n " VOUT_GRAYSCALE_VAR "={1|0} \tgrayscale or color output"
993 "\n " VOUT_FULLSCREEN_VAR "={1|0} \tfullscreen"
994 "\n " VOUT_OVERLAY_VAR "={1|0} \toverlay"
995 "\n " VOUT_XVADAPTOR_VAR "=<adaptor> \tXVideo adaptor"
996 "\n " MOTION_METHOD_VAR "=<method name> \tmotion compensation method"
997 "\n " IDCT_METHOD_VAR "=<method name> \tIDCT method"
998 "\n " YUV_METHOD_VAR "=<method name> \tYUV method"
999 "\n " VPAR_SYNCHRO_VAR "={I|I+|IP|IP+|IPB} \tsynchro algorithm"
1000 "\n " VDEC_SMP_VAR "=<number of threads> \tuse several processors"
1001 "\n " VOUT_FILTER_VAR "=<method name> \tvideo filter method" );
1003 /* DVD parameters */
1004 intf_MsgImm( "\nDVD parameters:"
1005 "\n " INPUT_DVD_DEVICE_VAR "=<device> \tDVD device"
1006 "\n " INPUT_TITLE_VAR "=<title> \ttitle number"
1007 "\n " INPUT_CHAPTER_VAR "=<chapter> \tchapter number"
1008 "\n " INPUT_ANGLE_VAR "=<angle> \tangle number"
1009 "\n " INPUT_AUDIO_VAR "={ac3|lpcm|mpeg|off} \taudio type"
1010 "\n " INPUT_CHANNEL_VAR "=[0-15] \taudio channel"
1011 "\n " INPUT_SUBTITLE_VAR "=[0-31] \tsubtitle channel" );
1013 /* Input parameters */
1014 intf_MsgImm( "\nInput parameters:"
1015 "\n " INPUT_IFACE_VAR "=<interface> \tnetwork interface"
1016 "\n " INPUT_CHANNEL_SERVER_VAR "=<hostname> \tchannel server"
1017 "\n " INPUT_CHANNEL_PORT_VAR "=<port> \tchannel server port" );
1019 /* Decoder parameters */
1020 intf_MsgImm( "\nDecoder parameters:"
1021 "\n " ADEC_MPEG_VAR "=<builtin|mad> \taudio decoder" );
1024 /*****************************************************************************
1025 * Version: print complete program version
1026 *****************************************************************************
1027 * Print complete program version and build number.
1028 *****************************************************************************/
1029 static void Version( void )
1031 intf_MsgImm( VERSION_MESSAGE
1032 "This program comes with NO WARRANTY, to the extent permitted by law.\n"
1033 "You may redistribute it under the terms of the GNU General Public License;\n"
1034 "see the file named COPYING for details.\n"
1035 "Written by the VideoLAN team at Ecole Centrale, Paris." );
1038 /*****************************************************************************
1039 * InitSignalHandler: system signal handler initialization
1040 *****************************************************************************
1041 * Set the signal handlers. SIGTERM is not intercepted, because we need at
1042 * at least a method to kill the program when all other methods failed, and
1043 * when we don't want to use SIGKILL.
1044 *****************************************************************************/
1045 static void InitSignalHandler( void )
1047 /* Termination signals */
1049 signal( SIGINT, FatalSignalHandler );
1050 signal( SIGHUP, FatalSignalHandler );
1051 signal( SIGQUIT, FatalSignalHandler );
1054 signal( SIGALRM, SimpleSignalHandler );
1055 signal( SIGPIPE, SimpleSignalHandler );
1060 /*****************************************************************************
1061 * SimpleSignalHandler: system signal handler
1062 *****************************************************************************
1063 * This function is called when a non fatal signal is received by the program.
1064 *****************************************************************************/
1065 static void SimpleSignalHandler( int i_signal )
1067 /* Acknowledge the signal received */
1068 intf_WarnMsg( 0, "intf: ignoring signal %d", i_signal );
1072 /*****************************************************************************
1073 * FatalSignalHandler: system signal handler
1074 *****************************************************************************
1075 * This function is called when a fatal signal is received by the program.
1076 * It tries to end the program in a clean way.
1077 *****************************************************************************/
1078 static void FatalSignalHandler( int i_signal )
1080 /* Once a signal has been trapped, the termination sequence will be
1081 * armed and following signals will be ignored to avoid sending messages
1082 * to an interface having been destroyed */
1084 signal( SIGINT, SIG_IGN );
1085 signal( SIGHUP, SIG_IGN );
1086 signal( SIGQUIT, SIG_IGN );
1089 /* Acknowledge the signal received */
1090 intf_ErrMsgImm( "intf error: signal %d received, exiting", i_signal );
1092 /* Try to terminate everything - this is done by requesting the end of the
1093 * interface thread */
1094 p_main->p_intf->b_die = 1;
1097 /*****************************************************************************
1098 * InstructionSignalHandler: system signal handler
1099 *****************************************************************************
1100 * This function is called when a illegal instruction signal is received by
1102 * We use this function to test OS and CPU_Capabilities
1103 *****************************************************************************/
1104 static void InstructionSignalHandler( int i_signal )
1106 /* Once a signal has been trapped, the termination sequence will be
1107 * armed and following signals will be ignored to avoid sending messages
1108 * to an interface having been destroyed */
1110 /* Acknowledge the signal received */
1113 #ifdef HAVE_SIGRELSE
1114 sigrelse( i_signal );
1119 /*****************************************************************************
1120 * CPUCapabilities: list the processors MMX support and other capabilities
1121 *****************************************************************************
1122 * This function is called to list extensions the CPU may have.
1123 *****************************************************************************/
1124 static u32 CPUCapabilities( void )
1126 volatile u32 i_capabilities = CPU_CAPABILITY_NONE;
1128 #if defined( SYS_DARWIN )
1129 struct host_basic_info hi;
1131 host_name_port_t host;
1134 char *psz_name, *psz_subname;
1136 i_capabilities |= CPU_CAPABILITY_FPU;
1138 /* Should 'never' fail? */
1139 host = mach_host_self();
1141 i_size = sizeof( hi ) / sizeof( int );
1142 ret = host_info( host, HOST_BASIC_INFO, ( host_info_t )&hi, &i_size );
1144 if( ret != KERN_SUCCESS )
1146 fprintf( stderr, "error: couldn't get CPU information\n" );
1147 return( i_capabilities );
1150 slot_name( hi.cpu_type, hi.cpu_subtype, &psz_name, &psz_subname );
1151 /* FIXME: need better way to detect newer proccessors.
1152 * could do strncmp(a,b,5), but that's real ugly */
1153 if( !strcmp(psz_name, "ppc7400") || !strcmp(psz_name, "ppc7450") )
1155 i_capabilities |= CPU_CAPABILITY_ALTIVEC;
1158 return( i_capabilities );
1160 #elif defined( __i386__ )
1161 volatile unsigned int i_eax, i_ebx, i_ecx, i_edx;
1162 volatile boolean_t b_amd;
1164 /* Needed for x86 CPU capabilities detection */
1165 # define cpuid( a ) \
1166 asm volatile ( "pushl %%ebx\n\t" \
1168 "movl %%ebx,%1\n\t" \
1177 i_capabilities |= CPU_CAPABILITY_FPU;
1179 signal( SIGILL, InstructionSignalHandler );
1181 /* test for a 486 CPU */
1182 asm volatile ( "pushl %%ebx\n\t"
1185 "movl %%eax, %%ebx\n\t"
1186 "xorl $0x200000, %%eax\n\t"
1198 if( i_eax == i_ebx )
1200 signal( SIGILL, NULL );
1201 return( i_capabilities );
1204 i_capabilities |= CPU_CAPABILITY_486;
1206 /* the CPU supports the CPUID instruction - get its level */
1207 cpuid( 0x00000000 );
1211 signal( SIGILL, NULL );
1212 return( i_capabilities );
1215 /* FIXME: this isn't correct, since some 486s have cpuid */
1216 i_capabilities |= CPU_CAPABILITY_586;
1218 /* borrowed from mpeg2dec */
1219 b_amd = ( i_ebx == 0x68747541 ) && ( i_ecx == 0x444d4163 )
1220 && ( i_edx == 0x69746e65 );
1222 /* test for the MMX flag */
1223 cpuid( 0x00000001 );
1225 if( ! (i_edx & 0x00800000) )
1227 signal( SIGILL, NULL );
1228 return( i_capabilities );
1231 i_capabilities |= CPU_CAPABILITY_MMX;
1233 if( i_edx & 0x02000000 )
1235 i_capabilities |= CPU_CAPABILITY_MMXEXT;
1237 #ifdef CAN_COMPILE_SSE
1238 /* We test if OS support the SSE instructions */
1240 if( setjmp( env ) == 0 )
1242 /* Test a SSE instruction */
1243 __asm__ __volatile__ ( "xorps %%xmm0,%%xmm0\n" : : );
1246 if( i_illegal == 0 )
1248 i_capabilities |= CPU_CAPABILITY_SSE;
1252 fprintf( stderr, "warning: your OS doesn't have support for "
1253 "SSE instructions, "
1254 "some optimizations\nwill be disabled\n" );
1256 fprintf( stderr, "(you will need Linux kernel 2.4.x or later)\n" );
1262 /* test for additional capabilities */
1263 cpuid( 0x80000000 );
1265 if( i_eax < 0x80000001 )
1267 signal( SIGILL, NULL );
1268 return( i_capabilities );
1271 /* list these additional capabilities */
1272 cpuid( 0x80000001 );
1274 #ifdef CAN_COMPILE_3DNOW
1275 if( i_edx & 0x80000000 )
1278 if( setjmp( env ) == 0 )
1280 /* Test a 3D Now! instruction */
1281 __asm__ __volatile__ ( "pfadd %%mm0,%%mm0\n" "femms\n" : : );
1284 if( i_illegal == 0 )
1286 i_capabilities |= CPU_CAPABILITY_3DNOW;
1291 if( b_amd && ( i_edx & 0x00400000 ) )
1293 i_capabilities |= CPU_CAPABILITY_MMXEXT;
1296 signal( SIGILL, NULL );
1297 return( i_capabilities );
1299 #elif defined( __powerpc__ )
1301 i_capabilities |= CPU_CAPABILITY_FPU;
1303 /* Test for Altivec */
1304 signal( SIGILL, InstructionSignalHandler );
1306 #ifdef CAN_COMPILE_ALTIVEC
1308 if( setjmp( env ) == 0 )
1310 asm volatile ("mtspr 256, %0\n\t"
1311 "vand %%v0, %%v0, %%v0"
1316 if( i_illegal == 0 )
1318 i_capabilities |= CPU_CAPABILITY_ALTIVEC;
1322 signal( SIGILL, NULL );
1323 return( i_capabilities );
1326 /* default behaviour */
1327 return( i_capabilities );
1332 /*****************************************************************************
1333 * RedirectSTDOUT: redirect stdout and stderr to a file
1334 *****************************************************************************
1335 * This function will redirect stdout and stderr to a file if the user has
1337 *****************************************************************************/
1338 static int RedirectSTDOUT( void )
1343 psz_filename = main_GetPszVariable( INTF_STDOUT_VAR, INTF_STDOUT_DEFAULT );
1348 i_fd = open( psz_filename, O_CREAT | O_TRUNC | O_RDWR,
1349 S_IREAD | S_IWRITE );
1350 if( dup2( i_fd, fileno(stdout) ) == -1 )
1352 intf_ErrMsg( "warning: unable to redirect stdout" );
1355 if( dup2( i_fd, fileno(stderr) ) == -1 )
1357 intf_ErrMsg( "warning: unable to redirect stderr" );
1364 /* No stdout redirection has been asked so open a console */
1365 if( p_main->i_warning_level )
1375 /*****************************************************************************
1376 * ShowConsole: On Win32, create an output console for debug messages
1377 *****************************************************************************
1378 * This function is usefull only on Win32.
1379 *****************************************************************************/
1380 static void ShowConsole( void )
1384 freopen( "CONOUT$", "w", stdout );
1385 freopen( "CONOUT$", "w", stderr );
1386 freopen( "CONIN$", "r", stdin );