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 1.143 2002/01/07 02:12:30 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 input_bank_t *p_input_bank;
231 aout_bank_t *p_aout_bank;
232 vout_bank_t *p_vout_bank;
234 /*****************************************************************************
236 *****************************************************************************/
237 static int GetConfiguration ( int *pi_argc, char *ppsz_argv[],
239 static int GetFilenames ( int i_argc, char *ppsz_argv[] );
240 static void Usage ( int i_fashion );
241 static void Version ( void );
243 static void InitSignalHandler ( void );
244 static void SimpleSignalHandler ( int i_signal );
245 static void FatalSignalHandler ( int i_signal );
246 static void IllegalSignalHandler ( int i_signal );
247 static u32 CPUCapabilities ( void );
249 static int RedirectSTDOUT ( void );
250 static void ShowConsole ( void );
253 static int i_illegal;
254 static char *psz_capability;
256 /*****************************************************************************
257 * main: parse command line, start interface and spawn threads
258 *****************************************************************************
259 * Steps during program execution are:
260 * -configuration parsing and messages interface initialization
261 * -opening of audio output device and some global modules
262 * -execution of interface, which exit on error or on user request
263 * -closing of audio output device and some global modules
264 * On error, the spawned threads are canceled, and the open devices closed.
265 *****************************************************************************/
266 int main( int i_argc, char *ppsz_argv[], char *ppsz_env[] )
268 main_t main_data; /* root of all data - see main.h */
269 module_bank_t module_bank;
270 input_bank_t input_bank;
271 aout_bank_t aout_bank;
272 vout_bank_t vout_bank;
274 p_main = &main_data; /* set up the global variables */
275 p_module_bank = &module_bank;
276 p_input_bank = &input_bank;
277 p_aout_bank = &aout_bank;
278 p_vout_bank = &vout_bank;
284 #if defined( HAVE_LOCALE_H ) && defined( HAVE_LC_MESSAGES )
285 if( !setlocale( LC_MESSAGES, "" ) )
287 fprintf( stderr, "warning: unsupported locale.\n" );
291 if( !bindtextdomain( PACKAGE, LOCALEDIR ) )
293 fprintf( stderr, "warning: no domain %s in directory %s\n",
294 PACKAGE, LOCALEDIR );
297 textdomain( PACKAGE );
301 * Initialize threads system
306 * Test if our code is likely to run on this CPU
308 p_main->i_cpu_capabilities = CPUCapabilities();
311 * System specific initialization code
313 #if defined( SYS_BEOS ) || defined( SYS_DARWIN ) || defined( WIN32 )
314 system_Init( &i_argc, ppsz_argv, ppsz_env );
316 #elif defined( SYS_LINUX )
318 /* Activate malloc checking routines to detect heap corruptions. */
319 main_PutIntVariable( "MALLOC_CHECK_", 2 );
324 * Initialize messages interface
326 p_main->p_msg = intf_MsgCreate();
327 if( !p_main->p_msg ) /* start messages interface */
329 fprintf( stderr, "error: can't initialize messages interface (%s)\n",
334 intf_MsgImm( COPYRIGHT_MESSAGE "\n" );
339 if( GetConfiguration( &i_argc, ppsz_argv, ppsz_env ) ) /* parse cmd line */
346 * Redirect the standard output if required by the user, and on Win32 we
347 * also open a console to display the debug messages.
351 if( p_main->b_stats )
353 char p_capabilities[200];
354 p_capabilities[0] = '\0';
356 #define PRINT_CAPABILITY( capability, string ) \
357 if( p_main->i_cpu_capabilities & capability ) \
359 strncat( p_capabilities, string " ", \
360 sizeof(p_capabilities) - strlen(p_capabilities) ); \
361 p_capabilities[sizeof(p_capabilities) - 1] = '\0'; \
364 PRINT_CAPABILITY( CPU_CAPABILITY_486, "486" );
365 PRINT_CAPABILITY( CPU_CAPABILITY_586, "586" );
366 PRINT_CAPABILITY( CPU_CAPABILITY_PPRO, "Pentium Pro" );
367 PRINT_CAPABILITY( CPU_CAPABILITY_MMX, "MMX" );
368 PRINT_CAPABILITY( CPU_CAPABILITY_3DNOW, "3DNow!" );
369 PRINT_CAPABILITY( CPU_CAPABILITY_MMXEXT, "MMXEXT" );
370 PRINT_CAPABILITY( CPU_CAPABILITY_SSE, "SSE" );
371 PRINT_CAPABILITY( CPU_CAPABILITY_ALTIVEC, "Altivec" );
372 PRINT_CAPABILITY( CPU_CAPABILITY_FPU, "FPU" );
373 intf_StatMsg( "info: CPU has capabilities : %s", p_capabilities );
377 * Initialize playlist and get commandline files
379 p_main->p_playlist = intf_PlaylistCreate();
380 if( !p_main->p_playlist )
382 intf_ErrMsg( "playlist error: playlist initialization failed" );
386 intf_PlaylistInit( p_main->p_playlist );
389 * Get input filenames given as commandline arguments
391 GetFilenames( i_argc, ppsz_argv );
394 * Initialize module, input, aout and vout banks
402 * Choose the best memcpy module
404 if( module_NeedMemcpy( &p_main->memcpy ) )
406 intf_ErrMsg( "intf error: no suitable memcpy module, "
407 "using libc default" );
408 p_main->memcpy.pf_memcpy = memcpy;
412 * Initialize shared resources and libraries
414 if( main_GetIntVariable( INPUT_NETWORK_CHANNEL_VAR,
415 INPUT_NETWORK_CHANNEL_DEFAULT ) &&
416 network_ChannelCreate() )
418 /* On error during Channels initialization, switch off channels */
419 intf_Msg( "Channels initialization failed : "
420 "Channel management is deactivated" );
421 main_PutIntVariable( INPUT_NETWORK_CHANNEL_VAR, 0 );
425 * Try to run the interface
427 p_main->p_intf = intf_Create();
428 if( p_main->p_intf == NULL )
430 intf_ErrMsg( "intf error: interface initialization failed" );
435 * Set signal handling policy for all threads
440 * This is the main loop
442 p_main->p_intf->pf_run( p_main->p_intf );
445 * Finished, destroy the interface
447 intf_Destroy( p_main->p_intf );
450 * Go back into channel 0 which is the network
452 if( main_GetIntVariable( INPUT_NETWORK_CHANNEL_VAR,
453 INPUT_NETWORK_CHANNEL_DEFAULT ) )
455 network_ChannelJoin( COMMON_CHANNEL );
460 * Free input, aout and vout banks
469 intf_PlaylistDestroy( p_main->p_playlist );
472 * Free memcpy module if it was allocated
474 if( p_main->memcpy.p_module != NULL )
476 module_UnneedMemcpy( &p_main->memcpy );
485 * System specific cleaning code
487 #if defined( SYS_BEOS ) || defined( SYS_DARWIN ) || defined( WIN32 )
493 * Terminate messages interface and program
495 intf_WarnMsg( 1, "intf: program terminated" );
499 * Stop threads system
506 /*****************************************************************************
507 * main_GetIntVariable: get the int value of an environment variable
508 *****************************************************************************
509 * This function is used to read some default parameters in modules.
510 *****************************************************************************/
511 int main_GetIntVariable( char *psz_name, int i_default )
513 char * psz_env; /* environment value */
514 char * psz_end; /* end of parsing index */
515 long int i_value; /* value */
517 psz_env = getenv( psz_name );
520 i_value = strtol( psz_env, &psz_end, 0 );
521 if( (*psz_env != '\0') && (*psz_end == '\0') )
529 /*****************************************************************************
530 * main_GetPszVariable: get the string value of an environment variable
531 *****************************************************************************
532 * This function is used to read some default parameters in modules.
533 *****************************************************************************/
534 char * main_GetPszVariable( char *psz_name, char *psz_default )
538 psz_env = getenv( psz_name );
543 return( psz_default );
546 /*****************************************************************************
547 * main_PutPszVariable: set the string value of an environment variable
548 *****************************************************************************
549 * This function is used to set some default parameters in modules. The use of
550 * this function will cause some memory leak: since some systems use the pointer
551 * passed to putenv to store the environment string, it can't be freed.
552 *****************************************************************************/
553 void main_PutPszVariable( char *psz_name, char *psz_value )
557 psz_env = malloc( strlen(psz_name) + strlen(psz_value) + 2 );
558 if( psz_env == NULL )
560 intf_ErrMsg( "intf error: cannot create psz_env (%s)",
565 sprintf( psz_env, "%s=%s", psz_name, psz_value );
566 if( putenv( psz_env ) )
568 intf_ErrMsg( "intf error: cannot putenv (%s)", strerror(errno) );
573 /*****************************************************************************
574 * main_PutIntVariable: set the integer value of an environment variable
575 *****************************************************************************
576 * This function is used to set some default parameters in modules. The use of
577 * this function will cause some memory leak: since some systems use the pointer
578 * passed to putenv to store the environment string, it can't be freed.
579 *****************************************************************************/
580 void main_PutIntVariable( char *psz_name, int i_value )
582 char psz_value[ 256 ]; /* buffer for value */
584 sprintf( psz_value, "%d", i_value );
585 main_PutPszVariable( psz_name, psz_value );
588 /* following functions are local */
590 /*****************************************************************************
591 * GetConfiguration: parse command line
592 *****************************************************************************
593 * Parse command line and configuration file for configuration. If the inline
594 * help is requested, the function Usage() is called and the function returns
595 * -1 (causing main() to exit). The messages interface is initialized at this
596 * stage, but most structures are not allocated, so only environment should
598 *****************************************************************************/
599 static int GetConfiguration( int *pi_argc, char *ppsz_argv[], char *ppsz_env[] )
604 /* Set default configuration and copy arguments */
605 p_main->i_argc = *pi_argc;
606 p_main->ppsz_argv = ppsz_argv;
607 p_main->ppsz_env = ppsz_env;
612 p_main->i_warning_level = 0;
614 p_main->i_desync = 0; /* No desynchronization by default */
616 p_main->p_channel = NULL;
618 /* Get the executable name (similar to the basename command) */
619 p_main->psz_arg0 = p_tmp = ppsz_argv[ 0 ];
624 p_main->psz_arg0 = ++p_tmp;
633 /* When vlc.app is run by double clicking in Mac OS X, the 2nd arg
634 * is the PSN - process serial number (a unique PID-ish thingie)
635 * still ok for real Darwin & when run from command line */
636 if ( (*pi_argc > 1) && (strncmp( ppsz_argv[ 1 ] , "-psn" , 4 ) == 0) )
637 /* for example -psn_0_9306113 */
639 /* GDMF!... I can't do this or else the MacOSX window server will
640 * not pick up the PSN and not register the app and we crash...
641 * hence the following kludge otherwise we'll get confused w/ argv[1]
642 * being an input file name */
644 ppsz_argv[ 1 ] = NULL;
646 *pi_argc = *pi_argc - 1;
652 /* Parse command line options */
654 while( ( i_cmd = getopt_long( *pi_argc, ppsz_argv,
655 psz_shortopts, longopts, 0 ) ) != EOF )
659 /* General/common options */
660 case 'h': /* -h, --help */
664 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
665 if( strcmp( "", main_GetPszVariable( INTF_STDOUT_VAR,
666 INTF_STDOUT_DEFAULT ) ) == 0 )
668 /* No stdout redirection has been asked for */
669 intf_MsgImm( "\nPress the RETURN key to continue..." );
675 case 'H': /* -H, --longhelp */
679 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
680 if( strcmp( "", main_GetPszVariable( INTF_STDOUT_VAR,
681 INTF_STDOUT_DEFAULT ) ) == 0 )
683 /* No stdout redirection has been asked for */
684 intf_MsgImm( "\nPress the RETURN key to continue..." );
690 case OPT_VERSION: /* --version */
694 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
695 if( strcmp( "", main_GetPszVariable( INTF_STDOUT_VAR,
696 INTF_STDOUT_DEFAULT ) ) == 0 )
698 /* No stdout redirection has been asked for */
699 intf_MsgImm( "\nPress the RETURN key to continue..." );
705 case 'v': /* -v, --verbose */
706 p_main->i_warning_level++;
709 /* Interface warning messages level */
710 case 'I': /* -I, --intf */
711 main_PutPszVariable( INTF_METHOD_VAR, optarg );
713 case OPT_WARNING: /* --warning */
714 intf_ErrMsg( "intf error: `--warning' is deprecated, use `-v'" );
715 p_main->i_warning_level = atoi(optarg);
718 case OPT_STDOUT: /* --stdout */
719 main_PutPszVariable( INTF_STDOUT_VAR, optarg );
727 case OPT_NOAUDIO: /* --noaudio */
730 case 'A': /* -A, --aout */
731 main_PutPszVariable( AOUT_METHOD_VAR, optarg );
733 case OPT_STEREO: /* --stereo */
734 main_PutIntVariable( AOUT_STEREO_VAR, 1 );
736 case OPT_MONO: /* --mono */
737 main_PutIntVariable( AOUT_STEREO_VAR, 0 );
739 case OPT_SPDIF: /* --spdif */
740 main_PutIntVariable( AOUT_SPDIF_VAR, 1 );
742 case OPT_DOWNMIX: /* --downmix */
743 main_PutPszVariable( DOWNMIX_METHOD_VAR, optarg );
745 case OPT_IMDCT: /* --imdct */
746 main_PutPszVariable( IMDCT_METHOD_VAR, optarg );
748 case OPT_VOLUME: /* --volume */
749 main_PutIntVariable( AOUT_VOLUME_VAR, atoi(optarg) );
751 case OPT_DESYNC: /* --desync */
752 p_main->i_desync = atoi(optarg);
756 case OPT_NOVIDEO: /* --novideo */
759 case 'V': /* -V, --vout */
760 main_PutPszVariable( VOUT_METHOD_VAR, optarg );
762 case OPT_DISPLAY: /* --display */
763 main_PutPszVariable( VOUT_DISPLAY_VAR, optarg );
765 case OPT_WIDTH: /* --width */
766 main_PutPszVariable( VOUT_WIDTH_VAR, optarg );
768 case OPT_HEIGHT: /* --height */
769 main_PutPszVariable( VOUT_HEIGHT_VAR, optarg );
771 case 'g': /* -g, --grayscale */
772 main_PutIntVariable( VOUT_GRAYSCALE_VAR, 1 );
774 case OPT_COLOR: /* --color */
775 main_PutIntVariable( VOUT_GRAYSCALE_VAR, 0 );
777 case OPT_FULLSCREEN: /* --fullscreen */
778 main_PutIntVariable( VOUT_FULLSCREEN_VAR, 1 );
780 case OPT_OVERLAY: /* --overlay */
781 main_PutIntVariable( VOUT_OVERLAY_VAR, 1 );
783 case OPT_XVADAPTOR: /* --xvadaptor */
784 main_PutIntVariable( VOUT_XVADAPTOR_VAR, atoi(optarg) );
786 case OPT_MOTION: /* --motion */
787 main_PutPszVariable( MOTION_METHOD_VAR, optarg );
789 case OPT_IDCT: /* --idct */
790 main_PutPszVariable( IDCT_METHOD_VAR, optarg );
792 case OPT_YUV: /* --yuv */
793 main_PutPszVariable( YUV_METHOD_VAR, optarg );
795 case OPT_SMP: /* --smp */
796 main_PutIntVariable( VDEC_SMP_VAR, atoi(optarg) );
798 case OPT_FILTER: /* --filter */
799 main_PutPszVariable( VOUT_FILTER_VAR, optarg );
803 case 't': /* --dvdtitle */
804 main_PutIntVariable( INPUT_TITLE_VAR, atoi(optarg) );
806 case 'T': /* --dvdchapter */
807 main_PutIntVariable( INPUT_CHAPTER_VAR, atoi(optarg) );
809 case 'u': /* --dvdangle */
810 main_PutIntVariable( INPUT_ANGLE_VAR, atoi(optarg) );
812 case 'a': /* --dvdaudio */
813 if ( ! strcmp(optarg, "ac3") )
814 main_PutIntVariable( INPUT_AUDIO_VAR, REQUESTED_AC3 );
815 else if ( ! strcmp(optarg, "lpcm") )
816 main_PutIntVariable( INPUT_AUDIO_VAR, REQUESTED_LPCM );
817 else if ( ! strcmp(optarg, "mpeg") )
818 main_PutIntVariable( INPUT_AUDIO_VAR, REQUESTED_MPEG );
820 main_PutIntVariable( INPUT_AUDIO_VAR, REQUESTED_NOAUDIO );
822 case 'c': /* --dvdchannel */
823 main_PutIntVariable( INPUT_CHANNEL_VAR, atoi(optarg) );
825 case 's': /* --dvdsubtitle */
826 main_PutIntVariable( INPUT_SUBTITLE_VAR, atoi(optarg) );
828 case OPT_DVDCSS_METHOD: /* --dvdcss-method */
829 main_PutPszVariable( "DVDCSS_METHOD", optarg );
831 case OPT_DVDCSS_VERBOSE: /* --dvdcss-verbose */
832 main_PutPszVariable( "DVDCSS_VERBOSE", optarg );
836 case OPT_INPUT: /* --input */
837 main_PutPszVariable( INPUT_METHOD_VAR, optarg );
839 case OPT_CHANNELS: /* --channels */
840 main_PutIntVariable( INPUT_NETWORK_CHANNEL_VAR, 1 );
842 case OPT_CHANNELSERVER: /* --channelserver */
843 main_PutPszVariable( INPUT_CHANNEL_SERVER_VAR, optarg );
848 main_PutPszVariable( VPAR_SYNCHRO_VAR, optarg );
851 main_PutPszVariable( MEMCPY_METHOD_VAR, optarg );
854 /* Decoder options */
856 main_PutPszVariable( ADEC_MPEG_VAR, optarg );
861 p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_MMX;
865 p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_3DNOW;
869 p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_MMXEXT;
873 p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_SSE;
877 p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_ALTIVEC;
880 /* Internal error: unknown option */
885 intf_ErrMsg( "intf error: unknown option `%s'",
888 #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
889 if( strcmp( "", main_GetPszVariable( INTF_STDOUT_VAR,
890 INTF_STDOUT_DEFAULT ) ) == 0 )
892 /* No stdout redirection has been asked for */
893 intf_MsgImm( "\nPress the RETURN key to continue..." );
902 if( p_main->i_warning_level < 0 )
904 p_main->i_warning_level = 0;
910 /*****************************************************************************
911 * GetFilenames: parse command line options which are not flags
912 *****************************************************************************
913 * Parse command line for input files.
914 *****************************************************************************/
915 static int GetFilenames( int i_argc, char *ppsz_argv[] )
919 /* We assume that the remaining parameters are filenames */
920 for( i_opt = optind; i_opt < i_argc; i_opt++ )
922 intf_PlaylistAdd( p_main->p_playlist, PLAYLIST_END,
923 ppsz_argv[ i_opt ] );
929 /*****************************************************************************
930 * Usage: print program usage
931 *****************************************************************************
932 * Print a short inline help. Message interface is initialized at this stage.
933 *****************************************************************************/
934 static void Usage( int i_fashion )
937 intf_MsgImm( "Usage: %s [options] [parameters] [file]...",
940 if( i_fashion == USAGE )
942 intf_MsgImm( "Try `%s --help' for more information.",
948 intf_MsgImm( "\nOptions:"
949 "\n -I, --intf <module> \tinterface method"
950 "\n -v, --verbose \tverbose mode (cumulative)"
951 "\n --stdout <filename> \tredirect console stdout"
952 "\n --memcpy <module> \tmemcpy method"
954 "\n --noaudio \tdisable audio"
955 "\n -A, --aout <module> \taudio output method"
956 "\n --stereo, --mono \tstereo/mono audio"
957 "\n --spdif \tAC3 pass-through mode"
958 "\n --downmix <module> \tAC3 downmix method"
959 "\n --imdct <module> \tAC3 IMDCT method"
960 "\n --volume [0..1024] \tVLC output volume"
961 "\n --desync <time in ms> \tCompensate desynchronization of the audio"
963 "\n --novideo \tdisable video"
964 "\n -V, --vout <module> \tvideo output method"
965 "\n --display <display> \tdisplay string"
966 "\n --width <w>, --height <h> \tdisplay dimensions"
967 "\n -g, --grayscale \tgrayscale output"
968 "\n --fullscreen \tfullscreen output"
969 "\n --overlay \taccelerated display"
970 "\n --xvadaptor <adaptor> \tXVideo adaptor"
971 "\n --color \tcolor output"
972 "\n --motion <module> \tmotion compensation method"
973 "\n --idct <module> \tIDCT method"
974 "\n --yuv <module> \tYUV method"
975 "\n --synchro <type> \tforce synchro algorithm"
976 "\n --smp <number of threads> \tuse several processors"
977 "\n --filter <module> \tvideo filter module"
979 "\n -t, --dvdtitle <num> \tchoose DVD title"
980 "\n -T, --dvdchapter <num> \tchoose DVD chapter"
981 "\n -u, --dvdangle <num> \tchoose DVD angle"
982 "\n -a, --dvdaudio <type> \tchoose DVD audio type"
983 "\n -c, --dvdchannel <channel> \tchoose DVD audio channel"
984 "\n -s, --dvdsubtitle <channel> \tchoose DVD subtitle channel"
985 "\n --dvdcss-method <method> \tselect dvdcss decryption method"
986 "\n --dvdcss-verbose <level> \tselect dvdcss verbose level"
988 "\n --input \tinput method"
989 "\n --channels \tenable channels"
990 "\n --channelserver <host> \tchannel server address"
992 "\n --mpeg_adec <builtin|mad> \tchoose audio decoder"
994 "\n --nommx \tdisable CPU's MMX support"
995 "\n --no3dnow \tdisable CPU's 3D Now! support"
996 "\n --nommxext \tdisable CPU's MMX EXT support"
997 "\n --nosse \tdisable CPU's SSE support"
998 "\n --noaltivec \tdisable CPU's AltiVec support"
1000 "\n -h, --help \tprint help and exit"
1001 "\n -H, --longhelp \tprint long help and exit"
1002 "\n --version \toutput version information and exit"
1003 "\n\nPlaylist items:"
1004 "\n *.mpg, *.vob \tPlain MPEG-1/2 files"
1005 "\n dvd:<device>[@<raw device>] \tDVD device"
1006 "\n vcd:<device> \tVCD device"
1007 "\n udpstream:[<server>[:<server port>]][@[<bind address>][:<bind port>]]"
1008 "\n \tUDP stream sent by VLS"
1009 "\n vlc:loop \tLoop execution of the playlist"
1010 "\n vlc:pause \tPause execution of playlist items"
1011 "\n vlc:quit \tQuit VLC");
1013 if( i_fashion == SHORT_HELP )
1016 /* Interface parameters */
1017 intf_MsgImm( "\nInterface parameters:"
1018 "\n " INTF_METHOD_VAR "=<method name> \tinterface method"
1019 "\n " INTF_INIT_SCRIPT_VAR "=<filename> \tinitialization script"
1020 "\n " INTF_CHANNELS_VAR "=<filename> \tchannels list"
1021 "\n " INTF_STDOUT_VAR "=<filename> \tredirect console stdout"
1022 "\n " MEMCPY_METHOD_VAR "=<method name> \tmemcpy method" );
1024 /* Audio parameters */
1025 intf_MsgImm( "\nAudio parameters:"
1026 "\n " AOUT_METHOD_VAR "=<method name> \taudio method"
1027 "\n " AOUT_DSP_VAR "=<filename> \tdsp device path"
1028 "\n " AOUT_STEREO_VAR "={1|0} \tstereo or mono output"
1029 "\n " AOUT_SPDIF_VAR "={1|0} \tAC3 pass-through mode"
1030 "\n " DOWNMIX_METHOD_VAR "=<method name> \tAC3 downmix method"
1031 "\n " IMDCT_METHOD_VAR "=<method name> \tAC3 IMDCT method"
1032 "\n " AOUT_VOLUME_VAR "=[0..1024] \tVLC output volume"
1033 "\n " AOUT_RATE_VAR "=<rate> \toutput rate" );
1035 /* Video parameters */
1036 intf_MsgImm( "\nVideo parameters:"
1037 "\n " VOUT_METHOD_VAR "=<method name> \tdisplay method"
1038 "\n " VOUT_DISPLAY_VAR "=<display name> \tdisplay used"
1039 "\n " VOUT_WIDTH_VAR "=<width> \tdisplay width"
1040 "\n " VOUT_HEIGHT_VAR "=<height> \tdislay height"
1041 "\n " VOUT_FB_DEV_VAR "=<filename> \tframebuffer device path"
1042 "\n " VOUT_GRAYSCALE_VAR "={1|0} \tgrayscale or color output"
1043 "\n " VOUT_FULLSCREEN_VAR "={1|0} \tfullscreen"
1044 "\n " VOUT_OVERLAY_VAR "={1|0} \toverlay"
1045 "\n " VOUT_XVADAPTOR_VAR "=<adaptor> \tXVideo adaptor"
1046 "\n " MOTION_METHOD_VAR "=<method name> \tmotion compensation method"
1047 "\n " IDCT_METHOD_VAR "=<method name> \tIDCT method"
1048 "\n " YUV_METHOD_VAR "=<method name> \tYUV method"
1049 "\n " VPAR_SYNCHRO_VAR "={I|I+|IP|IP+|IPB} \tsynchro algorithm"
1050 "\n " VDEC_SMP_VAR "=<number of threads> \tuse several processors"
1051 "\n " VOUT_FILTER_VAR "=<method name> \tvideo filter method" );
1053 /* DVD parameters */
1054 intf_MsgImm( "\nDVD parameters:"
1055 "\n " INPUT_DVD_DEVICE_VAR "=<device> \tDVD device"
1056 "\n " INPUT_TITLE_VAR "=<title> \ttitle number"
1057 "\n " INPUT_CHAPTER_VAR "=<chapter> \tchapter number"
1058 "\n " INPUT_ANGLE_VAR "=<angle> \tangle number"
1059 "\n " INPUT_AUDIO_VAR "={ac3|lpcm|mpeg|off} \taudio type"
1060 "\n " INPUT_CHANNEL_VAR "=[0-15] \taudio channel"
1061 "\n " INPUT_SUBTITLE_VAR "=[0-31] \tsubtitle channel" );
1063 /* Input parameters */
1064 intf_MsgImm( "\nInput parameters:"
1065 "\n " INPUT_IFACE_VAR "=<interface> \tnetwork interface"
1066 "\n " INPUT_CHANNEL_SERVER_VAR "=<hostname> \tchannel server"
1067 "\n " INPUT_CHANNEL_PORT_VAR "=<port> \tchannel server port" );
1069 /* Decoder parameters */
1070 intf_MsgImm( "\nDecoder parameters:"
1071 "\n " ADEC_MPEG_VAR "=<builtin|mad> \taudio decoder" );
1074 /*****************************************************************************
1075 * Version: print complete program version
1076 *****************************************************************************
1077 * Print complete program version and build number.
1078 *****************************************************************************/
1079 static void Version( void )
1081 intf_MsgImm( VERSION_MESSAGE
1082 "This program comes with NO WARRANTY, to the extent permitted by law.\n"
1083 "You may redistribute it under the terms of the GNU General Public License;\n"
1084 "see the file named COPYING for details.\n"
1085 "Written by the VideoLAN team at Ecole Centrale, Paris." );
1088 /*****************************************************************************
1089 * InitSignalHandler: system signal handler initialization
1090 *****************************************************************************
1091 * Set the signal handlers. SIGTERM is not intercepted, because we need at
1092 * at least a method to kill the program when all other methods failed, and
1093 * when we don't want to use SIGKILL.
1094 *****************************************************************************/
1095 static void InitSignalHandler( void )
1097 /* Termination signals */
1099 signal( SIGINT, FatalSignalHandler );
1100 signal( SIGHUP, FatalSignalHandler );
1101 signal( SIGQUIT, FatalSignalHandler );
1104 signal( SIGALRM, SimpleSignalHandler );
1105 signal( SIGPIPE, SimpleSignalHandler );
1109 /*****************************************************************************
1110 * SimpleSignalHandler: system signal handler
1111 *****************************************************************************
1112 * This function is called when a non fatal signal is received by the program.
1113 *****************************************************************************/
1114 static void SimpleSignalHandler( int i_signal )
1116 /* Acknowledge the signal received */
1117 intf_WarnMsg( 0, "intf: ignoring signal %d", i_signal );
1120 /*****************************************************************************
1121 * FatalSignalHandler: system signal handler
1122 *****************************************************************************
1123 * This function is called when a fatal signal is received by the program.
1124 * It tries to end the program in a clean way.
1125 *****************************************************************************/
1126 static void FatalSignalHandler( int i_signal )
1128 /* Once a signal has been trapped, the termination sequence will be
1129 * armed and following signals will be ignored to avoid sending messages
1130 * to an interface having been destroyed */
1132 signal( SIGINT, SIG_IGN );
1133 signal( SIGHUP, SIG_IGN );
1134 signal( SIGQUIT, SIG_IGN );
1137 /* Acknowledge the signal received */
1138 intf_ErrMsgImm( "intf error: signal %d received, exiting", i_signal );
1140 /* Try to terminate everything - this is done by requesting the end of the
1141 * interface thread */
1142 p_main->p_intf->b_die = 1;
1145 /*****************************************************************************
1146 * IllegalSignalHandler: system signal handler
1147 *****************************************************************************
1148 * This function is called when a illegal instruction signal is received by
1149 * the program. We use this function to test OS and CPU capabilities
1150 *****************************************************************************/
1151 static void IllegalSignalHandler( int i_signal )
1153 /* Acknowledge the signal received */
1156 #ifdef HAVE_SIGRELSE
1157 sigrelse( i_signal );
1160 fprintf( stderr, "warning: your CPU has %s instructions, but not your "
1161 "operating system.\n", psz_capability );
1162 fprintf( stderr, " some optimizations will be disabled unless "
1163 "you upgrade your OS\n" );
1165 fprintf( stderr, " (for instance Linux kernel 2.4.x or later)" );
1171 /*****************************************************************************
1172 * CPUCapabilities: list the processors MMX support and other capabilities
1173 *****************************************************************************
1174 * This function is called to list extensions the CPU may have.
1175 *****************************************************************************/
1176 static u32 CPUCapabilities( void )
1178 volatile u32 i_capabilities = CPU_CAPABILITY_NONE;
1180 #if defined( SYS_DARWIN )
1181 struct host_basic_info hi;
1183 host_name_port_t host;
1186 char *psz_name, *psz_subname;
1188 i_capabilities |= CPU_CAPABILITY_FPU;
1190 /* Should 'never' fail? */
1191 host = mach_host_self();
1193 i_size = sizeof( hi ) / sizeof( int );
1194 ret = host_info( host, HOST_BASIC_INFO, ( host_info_t )&hi, &i_size );
1196 if( ret != KERN_SUCCESS )
1198 fprintf( stderr, "error: couldn't get CPU information\n" );
1199 return( i_capabilities );
1202 slot_name( hi.cpu_type, hi.cpu_subtype, &psz_name, &psz_subname );
1203 /* FIXME: need better way to detect newer proccessors.
1204 * could do strncmp(a,b,5), but that's real ugly */
1205 if( !strcmp(psz_name, "ppc7400") || !strcmp(psz_name, "ppc7450") )
1207 i_capabilities |= CPU_CAPABILITY_ALTIVEC;
1210 return( i_capabilities );
1212 #elif defined( __i386__ )
1213 volatile unsigned int i_eax, i_ebx, i_ecx, i_edx;
1214 volatile boolean_t b_amd;
1216 /* Needed for x86 CPU capabilities detection */
1217 # define cpuid( a ) \
1218 asm volatile ( "pushl %%ebx\n\t" \
1220 "movl %%ebx,%1\n\t" \
1229 i_capabilities |= CPU_CAPABILITY_FPU;
1231 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1232 signal( SIGILL, IllegalSignalHandler );
1235 /* test for a 486 CPU */
1236 asm volatile ( "pushl %%ebx\n\t"
1239 "movl %%eax, %%ebx\n\t"
1240 "xorl $0x200000, %%eax\n\t"
1252 if( i_eax == i_ebx )
1254 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1255 signal( SIGILL, NULL );
1257 return( i_capabilities );
1260 i_capabilities |= CPU_CAPABILITY_486;
1262 /* the CPU supports the CPUID instruction - get its level */
1263 cpuid( 0x00000000 );
1267 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1268 signal( SIGILL, NULL );
1270 return( i_capabilities );
1273 /* FIXME: this isn't correct, since some 486s have cpuid */
1274 i_capabilities |= CPU_CAPABILITY_586;
1276 /* borrowed from mpeg2dec */
1277 b_amd = ( i_ebx == 0x68747541 ) && ( i_ecx == 0x444d4163 )
1278 && ( i_edx == 0x69746e65 );
1280 /* test for the MMX flag */
1281 cpuid( 0x00000001 );
1283 if( ! (i_edx & 0x00800000) )
1285 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1286 signal( SIGILL, NULL );
1288 return( i_capabilities );
1291 i_capabilities |= CPU_CAPABILITY_MMX;
1293 if( i_edx & 0x02000000 )
1295 i_capabilities |= CPU_CAPABILITY_MMXEXT;
1297 # ifdef CAN_COMPILE_SSE
1298 /* We test if OS support the SSE instructions */
1299 psz_capability = "SSE";
1301 if( setjmp( env ) == 0 )
1303 /* Test a SSE instruction */
1304 __asm__ __volatile__ ( "xorps %%xmm0,%%xmm0\n" : : );
1307 if( i_illegal == 0 )
1309 i_capabilities |= CPU_CAPABILITY_SSE;
1313 fprintf( stderr, "warning: your OS doesn't have support for "
1314 "SSE instructions, some optimizations\n"
1317 " (you will need Linux kernel 2.4.x or later)"
1324 /* test for additional capabilities */
1325 cpuid( 0x80000000 );
1327 if( i_eax < 0x80000001 )
1329 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1330 signal( SIGILL, NULL );
1332 return( i_capabilities );
1335 /* list these additional capabilities */
1336 cpuid( 0x80000001 );
1338 # ifdef CAN_COMPILE_3DNOW
1339 if( i_edx & 0x80000000 )
1341 psz_capability = "3D Now!";
1343 if( setjmp( env ) == 0 )
1345 /* Test a 3D Now! instruction */
1346 __asm__ __volatile__ ( "pfadd %%mm0,%%mm0\n" "femms\n" : : );
1349 if( i_illegal == 0 )
1351 i_capabilities |= CPU_CAPABILITY_3DNOW;
1356 if( b_amd && ( i_edx & 0x00400000 ) )
1358 i_capabilities |= CPU_CAPABILITY_MMXEXT;
1361 # if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
1362 signal( SIGILL, NULL );
1364 return( i_capabilities );
1366 #elif defined( __powerpc__ )
1368 i_capabilities |= CPU_CAPABILITY_FPU;
1370 # ifdef CAN_COMPILE_ALTIVEC
1371 signal( SIGILL, IllegalSignalHandler );
1373 psz_capability = "AltiVec";
1375 if( setjmp( env ) == 0 )
1377 asm volatile ("mtspr 256, %0\n\t"
1378 "vand %%v0, %%v0, %%v0"
1383 if( i_illegal == 0 )
1385 i_capabilities |= CPU_CAPABILITY_ALTIVEC;
1388 signal( SIGILL, NULL );
1391 return( i_capabilities );
1394 /* default behaviour */
1395 return( i_capabilities );
1400 /*****************************************************************************
1401 * RedirectSTDOUT: redirect stdout and stderr to a file
1402 *****************************************************************************
1403 * This function will redirect stdout and stderr to a file if the user has
1405 *****************************************************************************/
1406 static int RedirectSTDOUT( void )
1411 psz_filename = main_GetPszVariable( INTF_STDOUT_VAR, INTF_STDOUT_DEFAULT );
1416 i_fd = open( psz_filename, O_CREAT | O_TRUNC | O_RDWR,
1417 S_IREAD | S_IWRITE );
1418 if( dup2( i_fd, fileno(stdout) ) == -1 )
1420 intf_ErrMsg( "warning: unable to redirect stdout" );
1423 if( dup2( i_fd, fileno(stderr) ) == -1 )
1425 intf_ErrMsg( "warning: unable to redirect stderr" );
1432 /* No stdout redirection has been asked so open a console */
1433 if( p_main->i_warning_level )
1443 /*****************************************************************************
1444 * ShowConsole: On Win32, create an output console for debug messages
1445 *****************************************************************************
1446 * This function is usefull only on Win32.
1447 *****************************************************************************/
1448 static void ShowConsole( void )
1452 freopen( "CONOUT$", "w", stdout );
1453 freopen( "CONOUT$", "w", stderr );
1454 freopen( "CONIN$", "r", stdin );