/***************************************************************************** * vlc.c: the vlc player ***************************************************************************** * Copyright (C) 1998-2004 VideoLAN * $Id: vlc.c,v 1.21 2004/01/25 17:16:05 zorglub Exp $ * * Authors: Vincent Seguin <seguin@via.ecp.fr> * Samuel Hocevar <sam@zoy.org> * Gildas Bazin <gbazin@netcourrier.com> * Lots of other people, see the libvlc AUTHORS file * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. *****************************************************************************/ #include "config.h" #include <stdio.h> /* fprintf() */ #include <stdlib.h> /* putenv(), strtol(), */ #ifdef HAVE_SIGNAL_H # include <signal.h> /* SIGHUP, SIGINT, SIGKILL */ #endif #ifdef HAVE_TIME_H # include <time.h> /* time() */ #endif #include <vlc/vlc.h> /***************************************************************************** * Local prototypes. *****************************************************************************/ #ifndef WIN32 static void SigHandler ( int i_signal ); #endif /***************************************************************************** * main: parse command line, start interface and spawn threads *****************************************************************************/ int main( int i_argc, char *ppsz_argv[] ) { int i_ret; fprintf( stderr, "VLC media player %s\n", VLC_Version() ); #ifdef HAVE_PUTENV # ifdef DEBUG /* Activate malloc checking routines to detect heap corruptions. */ putenv( "MALLOC_CHECK_=2" ); /* Disable the ugly Gnome crash dialog so that we properly segfault */ putenv( "GNOME_DISABLE_CRASH_DIALOG=1" ); # endif /* If the user isn't using VLC_VERBOSE, set it to 0 by default */ if( getenv( "VLC_VERBOSE" ) == NULL ) { putenv( "VLC_VERBOSE=0" ); } #endif /* Create a libvlc structure */ i_ret = VLC_Create(); if( i_ret < 0 ) { return i_ret; } #ifndef WIN32 /* Set the signal handlers. SIGTERM is not intercepted, because we need at * least one method to kill the program when all other methods failed, and * when we don't want to use SIGKILL. * Note that we set the signals after the vlc_create call. */ signal( SIGINT, SigHandler ); signal( SIGHUP, SigHandler ); signal( SIGQUIT, SigHandler ); /* Other signals */ signal( SIGALRM, SIG_IGN ); signal( SIGPIPE, SIG_IGN ); #endif /* Initialize libvlc */ i_ret = VLC_Init( 0, i_argc, ppsz_argv ); if( i_ret < 0 ) { VLC_Destroy( 0 ); return i_ret; } /* Run libvlc, in non-blocking mode */ i_ret = VLC_Play( 0 ); /* Add a blocking interface and keep the return value */ i_ret = VLC_AddIntf( 0, NULL, VLC_TRUE ); /* Finish the threads */ VLC_Stop( 0 ); /* Destroy the libvlc structure */ VLC_Destroy( 0 ); return i_ret; } #ifndef WIN32 /***************************************************************************** * SigHandler: system signal handler ***************************************************************************** * This function is called when a fatal signal is received by the program. * It tries to end the program in a clean way. *****************************************************************************/ static void SigHandler( int i_signal ) { static time_t abort_time = 0; static volatile vlc_bool_t b_die = VLC_FALSE; /* Once a signal has been trapped, the termination sequence will be * armed and subsequent signals will be ignored to avoid sending signals * to a libvlc structure having been destroyed */ if( !b_die ) { b_die = VLC_TRUE; abort_time = time( NULL ); fprintf( stderr, "signal %d received, terminating vlc - do it " "again in case it gets stuck\n", i_signal ); /* Acknowledge the signal received */ VLC_Die( 0 ); } else if( time( NULL ) > abort_time + 2 ) { /* If user asks again 1 or 2 seconds later, die badly */ signal( SIGINT, SIG_DFL ); signal( SIGHUP, SIG_DFL ); signal( SIGQUIT, SIG_DFL ); signal( SIGALRM, SIG_DFL ); signal( SIGPIPE, SIG_DFL ); fprintf( stderr, "user insisted too much, dying badly\n" ); abort(); } } #endif