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VLC Source 0.5.3.dmg
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vlc.c
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2003-04-07
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/*****************************************************************************
* vlc.c: the vlc player
*****************************************************************************
* Copyright (C) 1998-2001 VideoLAN
* $Id: vlc.c,v 1.19 2002/12/25 23:39:01 sam 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, "VideoLAN Client %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