1 /*****************************************************************************
2 * main.c: main vlc source
3 * Includes the main() function for vlc. Parses command line, start interface
5 *****************************************************************************
6 * Copyright (C) 1998, 1999, 2000 VideoLAN
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
30 #include <signal.h> /* SIGHUP, SIGINT, SIGKILL */
31 #include <stdio.h> /* sprintf() */
34 #include <getopt.h> /* getopt() */
37 #include <errno.h> /* ENOMEM */
38 #include <stdlib.h> /* getenv(), strtol(), */
39 #include <string.h> /* strerror() */
46 #include "tests.h" /* TestCPU() */
49 #include "stream_control.h"
50 #include "input_ext-intf.h"
53 #include "intf_plst.h"
54 #include "interface.h"
56 #include "audio_output.h"
59 #include "video_output.h"
62 #include "beos_specific.h"
67 /*****************************************************************************
68 * Command line options constants. If something is changed here, be sure that
69 * GetConfiguration and Usage are also changed.
70 *****************************************************************************/
72 /* Long options return values - note that values corresponding to short options
73 * chars, and in general any regular char, should be avoided */
74 #define OPT_NOAUDIO 150
75 #define OPT_STEREO 151
78 #define OPT_NOVIDEO 160
79 #define OPT_DISPLAY 161
81 #define OPT_HEIGHT 163
83 #define OPT_FULLSCREEN 165
84 #define OPT_OVERLAY 166
87 #define OPT_SERVER 171
89 #define OPT_BROADCAST 173
94 #define OPT_MOTION 183
99 #define OPT_SYNCHRO 190
100 #define OPT_WARNING 191
109 static const struct option longopts[] =
111 /* name, has_arg, flag, val */
113 /* General/common options */
114 { "help", 0, 0, 'h' },
115 { "longhelp", 0, 0, 'H' },
116 { "version", 0, 0, 'v' },
118 /* Interface options */
119 { "intf", 1, 0, OPT_INTF },
120 { "warning", 1, 0, OPT_WARNING },
123 { "noaudio", 0, 0, OPT_NOAUDIO },
124 { "aout", 1, 0, OPT_AOUT },
125 { "stereo", 0, 0, OPT_STEREO },
126 { "mono", 0, 0, OPT_MONO },
129 { "novideo", 0, 0, OPT_NOVIDEO },
130 { "vout", 1, 0, OPT_VOUT },
131 { "display", 1, 0, OPT_DISPLAY },
132 { "width", 1, 0, OPT_WIDTH },
133 { "height", 1, 0, OPT_HEIGHT },
134 { "grayscale", 0, 0, 'g' },
135 { "color", 0, 0, OPT_COLOR },
136 { "motion", 1, 0, OPT_MOTION },
137 { "idct", 1, 0, OPT_IDCT },
138 { "yuv", 1, 0, OPT_YUV },
139 { "fullscreen", 0, 0, OPT_FULLSCREEN },
140 { "overlay", 0, 0, OPT_OVERLAY },
143 { "dvdtitle", 1, 0, 't' },
144 { "dvdchapter", 1, 0, 'T' },
145 { "dvdaudio", 1, 0, 'a' },
146 { "dvdchannel", 1, 0, 'c' },
147 { "dvdsubtitle", 1, 0, 's' },
150 { "input", 1, 0, OPT_INPUT },
151 { "vlans", 0, 0, OPT_VLANS },
152 { "server", 1, 0, OPT_SERVER },
153 { "port", 1, 0, OPT_PORT },
154 { "broadcast", 0, 0, OPT_BROADCAST },
156 /* Synchro options */
157 { "synchro", 1, 0, OPT_SYNCHRO },
162 static const char *psz_shortopts = "hHvgt:T:a:s:c:";
166 /*****************************************************************************
167 * Global variable program_data - this is the one and only, see main.h
168 *****************************************************************************/
171 /*****************************************************************************
173 *****************************************************************************/
174 static void SetDefaultConfiguration ( void );
175 static int GetConfiguration ( int i_argc, char *ppsz_argv[],
177 static int GetFilenames ( int i_argc, char *ppsz_argv[] );
178 static void Usage ( int i_fashion );
179 static void Version ( void );
181 static void InitSignalHandler ( void );
182 static void SimpleSignalHandler ( int i_signal );
183 static void FatalSignalHandler ( int i_signal );
185 /*****************************************************************************
186 * main: parse command line, start interface and spawn threads
187 *****************************************************************************
188 * Steps during program execution are:
189 * -configuration parsing and messages interface initialization
190 * -opening of audio output device and some global modules
191 * -execution of interface, which exit on error or on user request
192 * -closing of audio output device and some global modules
193 * On error, the spawned threads are canceled, and the open devices closed.
194 *****************************************************************************/
195 int main( int i_argc, char *ppsz_argv[], char *ppsz_env[] )
197 main_t main_data; /* root of all data - see main.h */
199 p_main = &main_data; /* set up the global variable */
202 * System specific initialization code
208 p_main->i_cpu_capabilities = CPUCapabilities();
211 * Test if our code is likely to run on this CPU
213 #if defined( __pentium__ ) || defined( __pentiumpro__ )
214 if( ! TestCPU( CPU_CAPABILITY_586 ) )
216 fprintf( stderr, "error: this program needs a Pentium CPU,\n"
217 "please try a version without Pentium support\n" );
223 if( ! TestCPU( CPU_CAPABILITY_MMX ) )
225 fprintf( stderr, "error: this program needs MMX extensions,\n"
226 "please try a version without MMX support\n" );
232 * Initialize messages interface
234 p_main->p_msg = intf_MsgCreate();
235 if( !p_main->p_msg ) /* start messages interface */
237 fprintf( stderr, "error: can't initialize messages interface (%s)\n",
242 intf_MsgImm( COPYRIGHT_MESSAGE );
247 if( GetConfiguration( i_argc, ppsz_argv, ppsz_env ) ) /* parse cmd line */
253 p_main->i_warning_level = main_GetIntVariable( INTF_WARNING_VAR,
254 INTF_WARNING_DEFAULT );
257 * Initialize playlist and get commandline files
259 p_main->p_playlist = intf_PlstCreate( );
260 if( !p_main->p_playlist )
262 intf_ErrMsg( "playlist error: playlist initialization failed" );
266 intf_PlstInit( p_main->p_playlist );
269 * Get input filenames given as commandline arguments
271 GetFilenames( i_argc, ppsz_argv );
274 * Initialize module bank
276 p_main->p_bank = module_CreateBank( );
277 if( !p_main->p_bank )
279 intf_ErrMsg( "module error: module bank initialization failed" );
280 intf_PlstDestroy( p_main->p_playlist );
284 module_InitBank( p_main->p_bank );
287 * Initialize shared resources and libraries
289 /* FIXME: no VLANs */
291 if( p_main->b_vlans && input_VlanCreate() )
293 /* On error during vlans initialization, switch off vlans */
294 intf_Msg( "Virtual LANs initialization failed : "
295 "vlans management is deactivated" );
303 p_main->p_intf = intf_Create();
304 if( !p_main->p_intf )
306 intf_ErrMsg( "intf error: interface initialization failed" );
307 module_DestroyBank( p_main->p_bank );
308 intf_PlstDestroy( p_main->p_playlist );
314 * Set signal handling policy for all threads
319 * Open audio device and start aout thread
321 if( p_main->b_audio )
323 p_main->p_aout = aout_CreateThread( NULL );
324 if( p_main->p_aout == NULL )
326 /* On error during audio initialization, switch off audio */
327 intf_ErrMsg( "aout error: audio initialization failed,"
328 " audio is deactivated" );
334 * Open video device and start vout thread
336 if( p_main->b_video )
338 p_main->p_vout = vout_CreateThread( NULL );
339 if( p_main->p_vout == NULL )
341 /* On error during video initialization, switch off video */
342 intf_ErrMsg( "vout error: video initialization failed,"
343 " video is deactivated" );
348 /* Flush messages before entering the main loop */
352 * This is the main loop
354 p_main->p_intf->pf_run( p_main->p_intf );
356 intf_Destroy( p_main->p_intf );
361 if( p_main->b_video )
363 vout_DestroyThread( p_main->p_vout, NULL );
369 if( p_main->b_audio )
371 aout_DestroyThread( p_main->p_aout, NULL );
375 * Free shared resources and libraries
379 if( p_main->b_vlans )
388 module_DestroyBank( p_main->p_bank );
393 intf_PlstDestroy( p_main->p_playlist );
397 * System specific cleaning code
403 * Terminate messages interface and program
405 intf_Msg( "intf: program terminated" );
411 /*****************************************************************************
412 * main_GetIntVariable: get the int value of an environment variable
413 *****************************************************************************
414 * This function is used to read some default parameters in modules.
415 *****************************************************************************/
416 int main_GetIntVariable( char *psz_name, int i_default )
418 char * psz_env; /* environment value */
419 char * psz_end; /* end of parsing index */
420 long int i_value; /* value */
422 psz_env = getenv( psz_name );
425 i_value = strtol( psz_env, &psz_end, 0 );
426 if( (*psz_env != '\0') && (*psz_end == '\0') )
434 /*****************************************************************************
435 * main_GetPszVariable: get the string value of an environment variable
436 *****************************************************************************
437 * This function is used to read some default parameters in modules.
438 *****************************************************************************/
439 char * main_GetPszVariable( char *psz_name, char *psz_default )
443 psz_env = getenv( psz_name );
448 return( psz_default );
451 /*****************************************************************************
452 * main_PutPszVariable: set the string value of an environment variable
453 *****************************************************************************
454 * This function is used to set some default parameters in modules. The use of
455 * this function will cause some memory leak: since some systems use the pointer
456 * passed to putenv to store the environment string, it can't be freed.
457 *****************************************************************************/
458 void main_PutPszVariable( char *psz_name, char *psz_value )
462 psz_env = malloc( strlen(psz_name) + strlen(psz_value) + 2 );
463 if( psz_env == NULL )
465 intf_ErrMsg( "intf error: cannot create psz_env (%s)",
470 sprintf( psz_env, "%s=%s", psz_name, psz_value );
471 if( putenv( psz_env ) )
473 intf_ErrMsg( "intf error: cannot putenv (%s)", strerror(errno) );
478 /*****************************************************************************
479 * main_PutIntVariable: set the integer value of an environment variable
480 *****************************************************************************
481 * This function is used to set some default parameters in modules. The use of
482 * this function will cause some memory leak: since some systems use the pointer
483 * passed to putenv to store the environment string, it can't be freed.
484 *****************************************************************************/
485 void main_PutIntVariable( char *psz_name, int i_value )
487 char psz_value[ 256 ]; /* buffer for value */
489 sprintf( psz_value, "%d", i_value );
490 main_PutPszVariable( psz_name, psz_value );
493 /* following functions are local */
495 /*****************************************************************************
496 * SetDefaultConfiguration: set default options
497 *****************************************************************************
498 * This function is called by GetConfiguration before command line is parsed.
499 * It sets all the default values required later by the program. At this stage,
500 * most structure are not yet allocated, so initialization must be done using
502 *****************************************************************************/
503 static void SetDefaultConfiguration( void )
506 * All features are activated by default except vlans
513 /*****************************************************************************
514 * GetConfiguration: parse command line
515 *****************************************************************************
516 * Parse command line and configuration file for configuration. If the inline
517 * help is requested, the function Usage() is called and the function returns
518 * -1 (causing main() to exit). The messages interface is initialized at this
519 * stage, but most structures are not allocated, so only environment should
521 *****************************************************************************/
522 static int GetConfiguration( int i_argc, char *ppsz_argv[], char *ppsz_env[] )
527 /* Set default configuration and copy arguments */
528 p_main->i_argc = i_argc;
529 p_main->ppsz_argv = ppsz_argv;
530 p_main->ppsz_env = ppsz_env;
531 SetDefaultConfiguration();
533 /* Get the executable name (similar to the basename command) */
534 p_main->psz_arg0 = p_pointer = ppsz_argv[ 0 ];
537 if( *p_pointer == '/' )
539 p_main->psz_arg0 = ++p_pointer;
547 /* Parse command line options */
550 while( ( c = getopt_long( i_argc, ppsz_argv, psz_shortopts, longopts, 0 ) ) != EOF )
554 /* General/common options */
555 case 'h': /* -h, --help */
559 case 'H': /* -H, --longhelp */
563 case 'v': /* -v, --version */
568 /* Interface warning messages level */
569 case OPT_INTF: /* --intf */
570 main_PutPszVariable( INTF_METHOD_VAR, optarg );
572 case OPT_WARNING: /* --warning */
573 main_PutIntVariable( INTF_WARNING_VAR, atoi(optarg) );
577 case OPT_NOAUDIO: /* --noaudio */
580 case OPT_AOUT: /* --aout */
581 main_PutPszVariable( AOUT_METHOD_VAR, optarg );
583 case OPT_STEREO: /* --stereo */
584 main_PutIntVariable( AOUT_STEREO_VAR, 1 );
586 case OPT_MONO: /* --mono */
587 main_PutIntVariable( AOUT_STEREO_VAR, 0 );
591 case OPT_NOVIDEO: /* --novideo */
594 case OPT_VOUT: /* --vout */
595 main_PutPszVariable( VOUT_METHOD_VAR, optarg );
597 case OPT_DISPLAY: /* --display */
598 main_PutPszVariable( VOUT_DISPLAY_VAR, optarg );
600 case OPT_WIDTH: /* --width */
601 main_PutPszVariable( VOUT_WIDTH_VAR, optarg );
603 case OPT_HEIGHT: /* --height */
604 main_PutPszVariable( VOUT_HEIGHT_VAR, optarg );
606 case 'g': /* -g, --grayscale */
607 main_PutIntVariable( VOUT_GRAYSCALE_VAR, 1 );
609 case OPT_COLOR: /* --color */
610 main_PutIntVariable( VOUT_GRAYSCALE_VAR, 0 );
612 case OPT_FULLSCREEN: /* --fullscreen */
613 main_PutIntVariable( VOUT_FULLSCREEN_VAR, 1 );
615 case OPT_OVERLAY: /* --overlay */
616 main_PutIntVariable( VOUT_OVERLAY_VAR, 1 );
618 case OPT_MOTION: /* --motion */
619 main_PutPszVariable( MOTION_METHOD_VAR, optarg );
621 case OPT_IDCT: /* --idct */
622 main_PutPszVariable( IDCT_METHOD_VAR, optarg );
624 case OPT_YUV: /* --yuv */
625 main_PutPszVariable( YUV_METHOD_VAR, optarg );
630 main_PutIntVariable( INPUT_TITLE_VAR, atoi(optarg) );
633 main_PutIntVariable( INPUT_CHAPTER_VAR, atoi(optarg) );
636 if ( ! strcmp(optarg, "ac3") )
637 main_PutIntVariable( INPUT_AUDIO_VAR, REQUESTED_AC3 );
638 else if ( ! strcmp(optarg, "lpcm") )
639 main_PutIntVariable( INPUT_AUDIO_VAR, REQUESTED_LPCM );
640 else if ( ! strcmp(optarg, "mpeg") )
641 main_PutIntVariable( INPUT_AUDIO_VAR, REQUESTED_MPEG );
643 main_PutIntVariable( INPUT_AUDIO_VAR, REQUESTED_NOAUDIO );
646 main_PutIntVariable( INPUT_CHANNEL_VAR, atoi(optarg) );
649 main_PutIntVariable( INPUT_SUBTITLE_VAR, atoi(optarg) );
653 case OPT_INPUT: /* --input */
654 main_PutPszVariable( INPUT_METHOD_VAR, optarg );
656 case OPT_VLANS: /* --vlans */
659 case OPT_SERVER: /* --server */
660 main_PutPszVariable( INPUT_SERVER_VAR, optarg );
662 case OPT_PORT: /* --port */
663 main_PutPszVariable( INPUT_PORT_VAR, optarg );
665 case OPT_BROADCAST: /* --broadcast */
666 main_PutIntVariable( INPUT_BROADCAST_VAR, 1 );
669 /* Synchro options */
671 main_PutPszVariable( VPAR_SYNCHRO_VAR, optarg );
674 /* Internal error: unknown option */
677 intf_ErrMsg( "intf error: unknown option `%s'", ppsz_argv[optind - 1] );
687 /*****************************************************************************
688 * GetFilenames: parse command line options which are not flags
689 *****************************************************************************
690 * Parse command line for input files.
691 *****************************************************************************/
692 static int GetFilenames( int i_argc, char *ppsz_argv[] )
696 /* We assume that the remaining parameters are filenames */
697 for( i_opt = optind; i_opt < i_argc; i_opt++ )
699 intf_PlstAdd( p_main->p_playlist, PLAYLIST_END, ppsz_argv[ i_opt ] );
705 /*****************************************************************************
706 * Usage: print program usage
707 *****************************************************************************
708 * Print a short inline help. Message interface is initialized at this stage.
709 *****************************************************************************/
710 static void Usage( int i_fashion )
713 intf_MsgImm( "Usage: %s [options] [parameters] [file]...",
716 if( i_fashion == USAGE )
718 intf_MsgImm( "Try `%s --help' for more information.",
724 intf_MsgImm( "\nOptions:"
725 "\n --intf <module> \tinterface method"
726 "\n --warning <level> \tdisplay warning messages"
728 "\n --noaudio \tdisable audio"
729 "\n --aout <module> \taudio output method"
730 "\n --stereo, --mono \tstereo/mono audio"
732 "\n --novideo \tdisable video"
733 "\n --vout <module> \tvideo output method"
734 "\n --display <display> \tdisplay string"
735 "\n --width <w>, --height <h> \tdisplay dimensions"
736 "\n -g, --grayscale \tgrayscale output"
737 "\n --fullscreen \tfullscreen output"
738 "\n --overlay \taccelerated display"
739 "\n --color \tcolor output"
740 "\n --motion <module> \tmotion compensation method"
741 "\n --idct <module> \tIDCT method"
742 "\n --yuv <module> \tYUV method"
743 "\n --synchro <type> \tforce synchro algorithm"
745 "\n -t, --dvdtitle <num> \tchoose DVD title"
746 "\n -T, --dvdchapter <num> \tchoose DVD chapter"
747 "\n -a, --dvdaudio <type> \tchoose DVD audio type"
748 "\n -c, --dvdchannel <channel> \tchoose DVD audio channel"
749 "\n -s, --dvdsubtitle <channel> \tchoose DVD subtitle channel"
751 "\n --input \tinput method"
752 "\n --vlans \tenable vlans"
753 "\n --server <host> \tvideo server address"
754 "\n --port <port> \tvideo server port"
755 "\n --broadcast \tlisten to a broadcast"
757 "\n -h, --help \tprint help and exit"
758 "\n -H, --longhelp \tprint long help and exit"
759 "\n -v, --version \toutput version information and exit" );
761 if( i_fashion == SHORT_HELP )
764 /* Interface parameters */
765 intf_MsgImm( "\nInterface parameters:"
766 "\n " INTF_METHOD_VAR "=<method name> \tinterface method"
767 "\n " INTF_INIT_SCRIPT_VAR "=<filename> \tinitialization script"
768 "\n " INTF_CHANNELS_VAR "=<filename> \tchannels list"
769 "\n " INTF_WARNING_VAR "=<level> \twarning level" );
771 /* Audio parameters */
772 intf_MsgImm( "\nAudio parameters:"
773 "\n " AOUT_METHOD_VAR "=<method name> \taudio method"
774 "\n " AOUT_DSP_VAR "=<filename> \tdsp device path"
775 "\n " AOUT_STEREO_VAR "={1|0} \tstereo or mono output"
776 "\n " AOUT_RATE_VAR "=<rate> \toutput rate" );
778 /* Video parameters */
779 intf_MsgImm( "\nVideo parameters:"
780 "\n " VOUT_METHOD_VAR "=<method name> \tdisplay method"
781 "\n " VOUT_DISPLAY_VAR "=<display name> \tdisplay used"
782 "\n " VOUT_WIDTH_VAR "=<width> \tdisplay width"
783 "\n " VOUT_HEIGHT_VAR "=<height> \tdislay height"
784 "\n " VOUT_FB_DEV_VAR "=<filename> \tframebuffer device path"
785 "\n " VOUT_GRAYSCALE_VAR "={1|0} \tgrayscale or color output"
786 "\n " VOUT_FULLSCREEN_VAR "={1|0} \tfullscreen"
787 "\n " VOUT_OVERLAY_VAR "={1|0} \toverlay"
788 "\n " MOTION_METHOD_VAR "=<method name> \tmotion compensation method"
789 "\n " IDCT_METHOD_VAR "=<method name> \tIDCT method"
790 "\n " YUV_METHOD_VAR "=<method name> \tYUV method"
791 "\n " VPAR_SYNCHRO_VAR "={I|I+|IP|IP+|IPB} \tsynchro algorithm" );
794 intf_MsgImm( "\nDVD parameters:"
795 "\n " INPUT_DVD_DEVICE_VAR "=<device> \tDVD device"
796 "\n " INPUT_TITLE_VAR "=<title> \ttitle number"
797 "\n " INPUT_CHAPTER_VAR "=<chapter> \tchapter number"
798 "\n " INPUT_AUDIO_VAR "={ac3|lpcm|mpeg|off} \taudio type"
799 "\n " INPUT_CHANNEL_VAR "=[0-15] \taudio channel"
800 "\n " INPUT_SUBTITLE_VAR "=[0-31] \tsubtitle channel" );
802 /* Input parameters */
803 intf_MsgImm( "\nInput parameters:"
804 "\n " INPUT_SERVER_VAR "=<hostname> \tvideo server"
805 "\n " INPUT_PORT_VAR "=<port> \tvideo server port"
806 "\n " INPUT_IFACE_VAR "=<interface> \tnetwork interface"
807 "\n " INPUT_BROADCAST_VAR "={1|0} \tbroadcast mode"
808 "\n " INPUT_VLAN_SERVER_VAR "=<hostname> \tvlan server"
809 "\n " INPUT_VLAN_PORT_VAR "=<port> \tvlan server port" );
813 /*****************************************************************************
814 * Version: print complete program version
815 *****************************************************************************
816 * Print complete program version and build number.
817 *****************************************************************************/
818 static void Version( void )
820 intf_MsgImm( VERSION_MESSAGE
821 "This program comes with NO WARRANTY, to the extent permitted by law.\n"
822 "You may redistribute it under the terms of the GNU General Public License;\n"
823 "see the file named COPYING for details.\n"
824 "Written by the VideoLAN team at Ecole Centrale, Paris." );
827 /*****************************************************************************
828 * InitSignalHandler: system signal handler initialization
829 *****************************************************************************
830 * Set the signal handlers. SIGTERM is not intercepted, because we need at
831 * at least a method to kill the program when all other methods failed, and
832 * when we don't want to use SIGKILL.
833 *****************************************************************************/
834 static void InitSignalHandler( void )
836 /* Termination signals */
837 signal( SIGHUP, FatalSignalHandler );
838 signal( SIGINT, FatalSignalHandler );
839 signal( SIGQUIT, FatalSignalHandler );
842 signal( SIGALRM, SimpleSignalHandler );
843 signal( SIGPIPE, SimpleSignalHandler );
847 /*****************************************************************************
848 * SimpleSignalHandler: system signal handler
849 *****************************************************************************
850 * This function is called when a non fatal signal is received by the program.
851 *****************************************************************************/
852 static void SimpleSignalHandler( int i_signal )
854 /* Acknowledge the signal received */
855 intf_WarnMsg( 0, "intf: ignoring signal %d", i_signal );
859 /*****************************************************************************
860 * FatalSignalHandler: system signal handler
861 *****************************************************************************
862 * This function is called when a fatal signal is received by the program.
863 * It tries to end the program in a clean way.
864 *****************************************************************************/
865 static void FatalSignalHandler( int i_signal )
867 /* Once a signal has been trapped, the termination sequence will be
868 * armed and following signals will be ignored to avoid sending messages
869 * to an interface having been destroyed */
870 signal( SIGHUP, SIG_IGN );
871 signal( SIGINT, SIG_IGN );
872 signal( SIGQUIT, SIG_IGN );
874 /* Acknowledge the signal received */
875 intf_ErrMsgImm( "intf error: signal %d received, exiting", i_signal );
877 /* Try to terminate everything - this is done by requesting the end of the
878 * interface thread */
879 p_main->p_intf->b_die = 1;