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_playlist.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
92 #define OPT_MOTION 181
96 #define OPT_SYNCHRO 190
97 #define OPT_WARNING 191
106 static const struct option longopts[] =
108 /* name, has_arg, flag, val */
110 /* General/common options */
111 { "help", 0, 0, 'h' },
112 { "longhelp", 0, 0, 'H' },
113 { "version", 0, 0, 'v' },
115 /* Interface options */
116 { "intf", 1, 0, 'I' },
117 { "warning", 1, 0, OPT_WARNING },
120 { "noaudio", 0, 0, OPT_NOAUDIO },
121 { "aout", 1, 0, 'A' },
122 { "stereo", 0, 0, OPT_STEREO },
123 { "mono", 0, 0, OPT_MONO },
126 { "novideo", 0, 0, OPT_NOVIDEO },
127 { "vout", 1, 0, 'V' },
128 { "display", 1, 0, OPT_DISPLAY },
129 { "width", 1, 0, OPT_WIDTH },
130 { "height", 1, 0, OPT_HEIGHT },
131 { "grayscale", 0, 0, 'g' },
132 { "color", 0, 0, OPT_COLOR },
133 { "motion", 1, 0, OPT_MOTION },
134 { "idct", 1, 0, OPT_IDCT },
135 { "yuv", 1, 0, OPT_YUV },
136 { "fullscreen", 0, 0, OPT_FULLSCREEN },
137 { "overlay", 0, 0, OPT_OVERLAY },
140 { "dvdtitle", 1, 0, 't' },
141 { "dvdchapter", 1, 0, 'T' },
142 { "dvdaudio", 1, 0, 'a' },
143 { "dvdchannel", 1, 0, 'c' },
144 { "dvdsubtitle", 1, 0, 's' },
147 { "input", 1, 0, OPT_INPUT },
148 { "vlans", 0, 0, OPT_VLANS },
149 { "server", 1, 0, OPT_SERVER },
150 { "port", 1, 0, OPT_PORT },
151 { "broadcast", 0, 0, OPT_BROADCAST },
153 /* Synchro options */
154 { "synchro", 1, 0, OPT_SYNCHRO },
159 static const char *psz_shortopts = "hHvgt:T:a:s:c:I:A:V:";
163 /*****************************************************************************
164 * Global variable program_data - this is the one and only, see main.h
165 *****************************************************************************/
168 /*****************************************************************************
170 *****************************************************************************/
171 static void SetDefaultConfiguration ( void );
172 static int GetConfiguration ( int i_argc, char *ppsz_argv[],
174 static int GetFilenames ( int i_argc, char *ppsz_argv[] );
175 static void Usage ( int i_fashion );
176 static void Version ( void );
178 static void InitSignalHandler ( void );
179 static void SimpleSignalHandler ( int i_signal );
180 static void FatalSignalHandler ( int i_signal );
182 /*****************************************************************************
183 * main: parse command line, start interface and spawn threads
184 *****************************************************************************
185 * Steps during program execution are:
186 * -configuration parsing and messages interface initialization
187 * -opening of audio output device and some global modules
188 * -execution of interface, which exit on error or on user request
189 * -closing of audio output device and some global modules
190 * On error, the spawned threads are canceled, and the open devices closed.
191 *****************************************************************************/
192 int main( int i_argc, char *ppsz_argv[], char *ppsz_env[] )
194 main_t main_data; /* root of all data - see main.h */
196 p_main = &main_data; /* set up the global variable */
199 * System specific initialization code
205 p_main->i_cpu_capabilities = CPUCapabilities();
208 * Test if our code is likely to run on this CPU
210 #if defined( __pentium__ ) || defined( __pentiumpro__ )
211 if( ! TestCPU( CPU_CAPABILITY_586 ) )
213 fprintf( stderr, "error: this program needs a Pentium CPU,\n"
214 "please try a version without Pentium support\n" );
220 if( ! TestCPU( CPU_CAPABILITY_MMX ) )
222 fprintf( stderr, "error: this program needs MMX extensions,\n"
223 "please try a version without MMX support\n" );
229 * Initialize messages interface
231 p_main->p_msg = intf_MsgCreate();
232 if( !p_main->p_msg ) /* start messages interface */
234 fprintf( stderr, "error: can't initialize messages interface (%s)\n",
239 intf_MsgImm( COPYRIGHT_MESSAGE );
244 if( GetConfiguration( i_argc, ppsz_argv, ppsz_env ) ) /* parse cmd line */
250 p_main->i_warning_level = main_GetIntVariable( INTF_WARNING_VAR,
251 INTF_WARNING_DEFAULT );
254 * Initialize playlist and get commandline files
256 p_main->p_playlist = intf_PlaylistCreate( );
257 if( !p_main->p_playlist )
259 intf_ErrMsg( "playlist error: playlist initialization failed" );
263 intf_PlaylistInit( p_main->p_playlist );
266 * Get input filenames given as commandline arguments
268 GetFilenames( i_argc, ppsz_argv );
271 * Initialize module bank
273 p_main->p_bank = module_CreateBank( );
274 if( !p_main->p_bank )
276 intf_ErrMsg( "module error: module bank initialization failed" );
277 intf_PlaylistDestroy( p_main->p_playlist );
281 module_InitBank( p_main->p_bank );
284 * Initialize shared resources and libraries
286 /* FIXME: no VLANs */
288 if( p_main->b_vlans && input_VlanCreate() )
290 /* On error during vlans initialization, switch off vlans */
291 intf_Msg( "Virtual LANs initialization failed : "
292 "vlans management is deactivated" );
300 p_main->p_intf = intf_Create();
301 if( !p_main->p_intf )
303 intf_ErrMsg( "intf error: interface initialization failed" );
304 module_DestroyBank( p_main->p_bank );
305 intf_PlaylistDestroy( p_main->p_playlist );
311 * Set signal handling policy for all threads
316 * Open audio device and start aout thread
318 if( p_main->b_audio )
320 p_main->p_aout = aout_CreateThread( NULL );
321 if( p_main->p_aout == NULL )
323 /* On error during audio initialization, switch off audio */
324 intf_ErrMsg( "aout error: audio initialization failed,"
325 " audio is deactivated" );
331 * Open video device and start vout thread
333 if( p_main->b_video )
335 p_main->p_vout = vout_CreateThread( NULL );
336 if( p_main->p_vout == NULL )
338 /* On error during video initialization, switch off video */
339 intf_ErrMsg( "vout error: video initialization failed,"
340 " video is deactivated" );
345 /* Flush messages before entering the main loop */
349 * This is the main loop
351 p_main->p_intf->pf_run( p_main->p_intf );
353 intf_Destroy( p_main->p_intf );
358 if( p_main->b_video )
360 vout_DestroyThread( p_main->p_vout, NULL );
366 if( p_main->b_audio )
368 aout_DestroyThread( p_main->p_aout, NULL );
372 * Free shared resources and libraries
376 if( p_main->b_vlans )
385 module_DestroyBank( p_main->p_bank );
390 intf_PlaylistDestroy( p_main->p_playlist );
394 * System specific cleaning code
400 * Terminate messages interface and program
402 intf_Msg( "intf: program terminated" );
408 /*****************************************************************************
409 * main_GetIntVariable: get the int value of an environment variable
410 *****************************************************************************
411 * This function is used to read some default parameters in modules.
412 *****************************************************************************/
413 int main_GetIntVariable( char *psz_name, int i_default )
415 char * psz_env; /* environment value */
416 char * psz_end; /* end of parsing index */
417 long int i_value; /* value */
419 psz_env = getenv( psz_name );
422 i_value = strtol( psz_env, &psz_end, 0 );
423 if( (*psz_env != '\0') && (*psz_end == '\0') )
431 /*****************************************************************************
432 * main_GetPszVariable: get the string value of an environment variable
433 *****************************************************************************
434 * This function is used to read some default parameters in modules.
435 *****************************************************************************/
436 char * main_GetPszVariable( char *psz_name, char *psz_default )
440 psz_env = getenv( psz_name );
445 return( psz_default );
448 /*****************************************************************************
449 * main_PutPszVariable: set the string value of an environment variable
450 *****************************************************************************
451 * This function is used to set some default parameters in modules. The use of
452 * this function will cause some memory leak: since some systems use the pointer
453 * passed to putenv to store the environment string, it can't be freed.
454 *****************************************************************************/
455 void main_PutPszVariable( char *psz_name, char *psz_value )
459 psz_env = malloc( strlen(psz_name) + strlen(psz_value) + 2 );
460 if( psz_env == NULL )
462 intf_ErrMsg( "intf error: cannot create psz_env (%s)",
467 sprintf( psz_env, "%s=%s", psz_name, psz_value );
468 if( putenv( psz_env ) )
470 intf_ErrMsg( "intf error: cannot putenv (%s)", strerror(errno) );
475 /*****************************************************************************
476 * main_PutIntVariable: set the integer value of an environment variable
477 *****************************************************************************
478 * This function is used to set some default parameters in modules. The use of
479 * this function will cause some memory leak: since some systems use the pointer
480 * passed to putenv to store the environment string, it can't be freed.
481 *****************************************************************************/
482 void main_PutIntVariable( char *psz_name, int i_value )
484 char psz_value[ 256 ]; /* buffer for value */
486 sprintf( psz_value, "%d", i_value );
487 main_PutPszVariable( psz_name, psz_value );
490 /* following functions are local */
492 /*****************************************************************************
493 * SetDefaultConfiguration: set default options
494 *****************************************************************************
495 * This function is called by GetConfiguration before command line is parsed.
496 * It sets all the default values required later by the program. At this stage,
497 * most structure are not yet allocated, so initialization must be done using
499 *****************************************************************************/
500 static void SetDefaultConfiguration( void )
503 * All features are activated by default except vlans
510 /*****************************************************************************
511 * GetConfiguration: parse command line
512 *****************************************************************************
513 * Parse command line and configuration file for configuration. If the inline
514 * help is requested, the function Usage() is called and the function returns
515 * -1 (causing main() to exit). The messages interface is initialized at this
516 * stage, but most structures are not allocated, so only environment should
518 *****************************************************************************/
519 static int GetConfiguration( int i_argc, char *ppsz_argv[], char *ppsz_env[] )
524 /* Set default configuration and copy arguments */
525 p_main->i_argc = i_argc;
526 p_main->ppsz_argv = ppsz_argv;
527 p_main->ppsz_env = ppsz_env;
528 SetDefaultConfiguration();
530 /* Get the executable name (similar to the basename command) */
531 p_main->psz_arg0 = p_pointer = ppsz_argv[ 0 ];
534 if( *p_pointer == '/' )
536 p_main->psz_arg0 = ++p_pointer;
544 /* Parse command line options */
547 while( ( c = getopt_long( i_argc, ppsz_argv, psz_shortopts, longopts, 0 ) ) != EOF )
551 /* General/common options */
552 case 'h': /* -h, --help */
556 case 'H': /* -H, --longhelp */
560 case 'v': /* -v, --version */
565 /* Interface warning messages level */
566 case 'I': /* -I, --intf */
567 main_PutPszVariable( INTF_METHOD_VAR, optarg );
569 case OPT_WARNING: /* --warning */
570 main_PutIntVariable( INTF_WARNING_VAR, atoi(optarg) );
574 case OPT_NOAUDIO: /* --noaudio */
577 case 'A': /* -A, --aout */
578 main_PutPszVariable( AOUT_METHOD_VAR, optarg );
580 case OPT_STEREO: /* --stereo */
581 main_PutIntVariable( AOUT_STEREO_VAR, 1 );
583 case OPT_MONO: /* --mono */
584 main_PutIntVariable( AOUT_STEREO_VAR, 0 );
588 case OPT_NOVIDEO: /* --novideo */
591 case 'V': /* -V, --vout */
592 main_PutPszVariable( VOUT_METHOD_VAR, optarg );
594 case OPT_DISPLAY: /* --display */
595 main_PutPszVariable( VOUT_DISPLAY_VAR, optarg );
597 case OPT_WIDTH: /* --width */
598 main_PutPszVariable( VOUT_WIDTH_VAR, optarg );
600 case OPT_HEIGHT: /* --height */
601 main_PutPszVariable( VOUT_HEIGHT_VAR, optarg );
603 case 'g': /* -g, --grayscale */
604 main_PutIntVariable( VOUT_GRAYSCALE_VAR, 1 );
606 case OPT_COLOR: /* --color */
607 main_PutIntVariable( VOUT_GRAYSCALE_VAR, 0 );
609 case OPT_FULLSCREEN: /* --fullscreen */
610 main_PutIntVariable( VOUT_FULLSCREEN_VAR, 1 );
612 case OPT_OVERLAY: /* --overlay */
613 main_PutIntVariable( VOUT_OVERLAY_VAR, 1 );
615 case OPT_MOTION: /* --motion */
616 main_PutPszVariable( MOTION_METHOD_VAR, optarg );
618 case OPT_IDCT: /* --idct */
619 main_PutPszVariable( IDCT_METHOD_VAR, optarg );
621 case OPT_YUV: /* --yuv */
622 main_PutPszVariable( YUV_METHOD_VAR, optarg );
627 main_PutIntVariable( INPUT_TITLE_VAR, atoi(optarg) );
630 main_PutIntVariable( INPUT_CHAPTER_VAR, atoi(optarg) );
633 if ( ! strcmp(optarg, "ac3") )
634 main_PutIntVariable( INPUT_AUDIO_VAR, REQUESTED_AC3 );
635 else if ( ! strcmp(optarg, "lpcm") )
636 main_PutIntVariable( INPUT_AUDIO_VAR, REQUESTED_LPCM );
637 else if ( ! strcmp(optarg, "mpeg") )
638 main_PutIntVariable( INPUT_AUDIO_VAR, REQUESTED_MPEG );
640 main_PutIntVariable( INPUT_AUDIO_VAR, REQUESTED_NOAUDIO );
643 main_PutIntVariable( INPUT_CHANNEL_VAR, atoi(optarg) );
646 main_PutIntVariable( INPUT_SUBTITLE_VAR, atoi(optarg) );
650 case OPT_INPUT: /* --input */
651 main_PutPszVariable( INPUT_METHOD_VAR, optarg );
653 case OPT_VLANS: /* --vlans */
656 case OPT_SERVER: /* --server */
657 main_PutPszVariable( INPUT_SERVER_VAR, optarg );
659 case OPT_PORT: /* --port */
660 main_PutPszVariable( INPUT_PORT_VAR, optarg );
662 case OPT_BROADCAST: /* --broadcast */
663 main_PutIntVariable( INPUT_BROADCAST_VAR, 1 );
666 /* Synchro options */
668 main_PutPszVariable( VPAR_SYNCHRO_VAR, optarg );
671 /* Internal error: unknown option */
674 intf_ErrMsg( "intf error: unknown option `%s'", ppsz_argv[optind - 1] );
684 /*****************************************************************************
685 * GetFilenames: parse command line options which are not flags
686 *****************************************************************************
687 * Parse command line for input files.
688 *****************************************************************************/
689 static int GetFilenames( int i_argc, char *ppsz_argv[] )
693 /* We assume that the remaining parameters are filenames */
694 for( i_opt = optind; i_opt < i_argc; i_opt++ )
696 intf_PlaylistAdd( p_main->p_playlist, PLAYLIST_END,
697 ppsz_argv[ i_opt ] );
703 /*****************************************************************************
704 * Usage: print program usage
705 *****************************************************************************
706 * Print a short inline help. Message interface is initialized at this stage.
707 *****************************************************************************/
708 static void Usage( int i_fashion )
711 intf_MsgImm( "Usage: %s [options] [parameters] [file]...",
714 if( i_fashion == USAGE )
716 intf_MsgImm( "Try `%s --help' for more information.",
722 intf_MsgImm( "\nOptions:"
723 "\n -I, --intf <module> \tinterface method"
724 "\n --warning <level> \tdisplay warning messages"
726 "\n --noaudio \tdisable audio"
727 "\n -A, --aout <module> \taudio output method"
728 "\n --stereo, --mono \tstereo/mono audio"
730 "\n --novideo \tdisable video"
731 "\n -V, --vout <module> \tvideo output method"
732 "\n --display <display> \tdisplay string"
733 "\n --width <w>, --height <h> \tdisplay dimensions"
734 "\n -g, --grayscale \tgrayscale output"
735 "\n --fullscreen \tfullscreen output"
736 "\n --overlay \taccelerated display"
737 "\n --color \tcolor output"
738 "\n --motion <module> \tmotion compensation method"
739 "\n --idct <module> \tIDCT method"
740 "\n --yuv <module> \tYUV method"
741 "\n --synchro <type> \tforce synchro algorithm"
743 "\n -t, --dvdtitle <num> \tchoose DVD title"
744 "\n -T, --dvdchapter <num> \tchoose DVD chapter"
745 "\n -a, --dvdaudio <type> \tchoose DVD audio type"
746 "\n -c, --dvdchannel <channel> \tchoose DVD audio channel"
747 "\n -s, --dvdsubtitle <channel> \tchoose DVD subtitle channel"
749 "\n --input \tinput method"
750 "\n --vlans \tenable vlans"
751 "\n --server <host> \tvideo server address"
752 "\n --port <port> \tvideo server port"
753 "\n --broadcast \tlisten to a broadcast"
755 "\n -h, --help \tprint help and exit"
756 "\n -H, --longhelp \tprint long help and exit"
757 "\n -v, --version \toutput version information and exit" );
759 if( i_fashion == SHORT_HELP )
762 /* Interface parameters */
763 intf_MsgImm( "\nInterface parameters:"
764 "\n " INTF_METHOD_VAR "=<method name> \tinterface method"
765 "\n " INTF_INIT_SCRIPT_VAR "=<filename> \tinitialization script"
766 "\n " INTF_CHANNELS_VAR "=<filename> \tchannels list"
767 "\n " INTF_WARNING_VAR "=<level> \twarning level" );
769 /* Audio parameters */
770 intf_MsgImm( "\nAudio parameters:"
771 "\n " AOUT_METHOD_VAR "=<method name> \taudio method"
772 "\n " AOUT_DSP_VAR "=<filename> \tdsp device path"
773 "\n " AOUT_STEREO_VAR "={1|0} \tstereo or mono output"
774 "\n " AOUT_RATE_VAR "=<rate> \toutput rate" );
776 /* Video parameters */
777 intf_MsgImm( "\nVideo parameters:"
778 "\n " VOUT_METHOD_VAR "=<method name> \tdisplay method"
779 "\n " VOUT_DISPLAY_VAR "=<display name> \tdisplay used"
780 "\n " VOUT_WIDTH_VAR "=<width> \tdisplay width"
781 "\n " VOUT_HEIGHT_VAR "=<height> \tdislay height"
782 "\n " VOUT_FB_DEV_VAR "=<filename> \tframebuffer device path"
783 "\n " VOUT_GRAYSCALE_VAR "={1|0} \tgrayscale or color output"
784 "\n " VOUT_FULLSCREEN_VAR "={1|0} \tfullscreen"
785 "\n " VOUT_OVERLAY_VAR "={1|0} \toverlay"
786 "\n " MOTION_METHOD_VAR "=<method name> \tmotion compensation method"
787 "\n " IDCT_METHOD_VAR "=<method name> \tIDCT method"
788 "\n " YUV_METHOD_VAR "=<method name> \tYUV method"
789 "\n " VPAR_SYNCHRO_VAR "={I|I+|IP|IP+|IPB} \tsynchro algorithm" );
792 intf_MsgImm( "\nDVD parameters:"
793 "\n " INPUT_DVD_DEVICE_VAR "=<device> \tDVD device"
794 "\n " INPUT_TITLE_VAR "=<title> \ttitle number"
795 "\n " INPUT_CHAPTER_VAR "=<chapter> \tchapter number"
796 "\n " INPUT_AUDIO_VAR "={ac3|lpcm|mpeg|off} \taudio type"
797 "\n " INPUT_CHANNEL_VAR "=[0-15] \taudio channel"
798 "\n " INPUT_SUBTITLE_VAR "=[0-31] \tsubtitle channel" );
800 /* Input parameters */
801 intf_MsgImm( "\nInput parameters:"
802 "\n " INPUT_SERVER_VAR "=<hostname> \tvideo server"
803 "\n " INPUT_PORT_VAR "=<port> \tvideo server port"
804 "\n " INPUT_IFACE_VAR "=<interface> \tnetwork interface"
805 "\n " INPUT_BROADCAST_VAR "={1|0} \tbroadcast mode"
806 "\n " INPUT_VLAN_SERVER_VAR "=<hostname> \tvlan server"
807 "\n " INPUT_VLAN_PORT_VAR "=<port> \tvlan server port" );
811 /*****************************************************************************
812 * Version: print complete program version
813 *****************************************************************************
814 * Print complete program version and build number.
815 *****************************************************************************/
816 static void Version( void )
818 intf_MsgImm( VERSION_MESSAGE
819 "This program comes with NO WARRANTY, to the extent permitted by law.\n"
820 "You may redistribute it under the terms of the GNU General Public License;\n"
821 "see the file named COPYING for details.\n"
822 "Written by the VideoLAN team at Ecole Centrale, Paris." );
825 /*****************************************************************************
826 * InitSignalHandler: system signal handler initialization
827 *****************************************************************************
828 * Set the signal handlers. SIGTERM is not intercepted, because we need at
829 * at least a method to kill the program when all other methods failed, and
830 * when we don't want to use SIGKILL.
831 *****************************************************************************/
832 static void InitSignalHandler( void )
834 /* Termination signals */
835 signal( SIGHUP, FatalSignalHandler );
836 signal( SIGINT, FatalSignalHandler );
837 signal( SIGQUIT, FatalSignalHandler );
840 signal( SIGALRM, SimpleSignalHandler );
841 signal( SIGPIPE, SimpleSignalHandler );
845 /*****************************************************************************
846 * SimpleSignalHandler: system signal handler
847 *****************************************************************************
848 * This function is called when a non fatal signal is received by the program.
849 *****************************************************************************/
850 static void SimpleSignalHandler( int i_signal )
852 /* Acknowledge the signal received */
853 intf_WarnMsg( 0, "intf: ignoring signal %d", i_signal );
857 /*****************************************************************************
858 * FatalSignalHandler: system signal handler
859 *****************************************************************************
860 * This function is called when a fatal signal is received by the program.
861 * It tries to end the program in a clean way.
862 *****************************************************************************/
863 static void FatalSignalHandler( int i_signal )
865 /* Once a signal has been trapped, the termination sequence will be
866 * armed and following signals will be ignored to avoid sending messages
867 * to an interface having been destroyed */
868 signal( SIGHUP, SIG_IGN );
869 signal( SIGINT, SIG_IGN );
870 signal( SIGQUIT, SIG_IGN );
872 /* Acknowledge the signal received */
873 intf_ErrMsgImm( "intf error: signal %d received, exiting", i_signal );
875 /* Try to terminate everything - this is done by requesting the end of the
876 * interface thread */
877 p_main->p_intf->b_die = 1;