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/*****************************************************************************
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 * main.c: main vlc source
 * Includes the main() function for vlc. Parses command line, start interface
 * and spawn threads.
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 *****************************************************************************
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 * Copyright (C) 1998-2001 VideoLAN
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 * $Id: main.c,v 1.158 2002/03/04 01:53:56 stef Exp $
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 *
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 * Authors: Vincent Seguin <seguin@via.ecp.fr>
 *          Samuel Hocevar <sam@zoy.org>
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 *          Gildas Bazin <gbazin@netcourrier.com>
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 *
 * 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.
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 * 
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 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
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 *
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 * 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.
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 *****************************************************************************/
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/*****************************************************************************
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 * Preamble
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 *****************************************************************************/
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#include <signal.h>                               /* SIGHUP, SIGINT, SIGKILL */
#include <stdio.h>                                              /* sprintf() */
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#include <setjmp.h>                                       /* longjmp, setjmp */
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#include <videolan/vlc.h>

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#ifdef HAVE_GETOPT_LONG
#   ifdef HAVE_GETOPT_H
#       include <getopt.h>                                       /* getopt() */
#   endif
#else
#   include "GNUgetopt/getopt.h"
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#endif

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#ifdef SYS_DARWIN
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#   include <mach/mach.h>                               /* Altivec detection */
#   include <mach/mach_error.h>       /* some day the header files||compiler *
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                                                       will define it for us */
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#   include <mach/bootstrap.h>
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#endif
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#ifndef WIN32
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#   include <netinet/in.h>                            /* BSD: struct in_addr */
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#endif
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#ifdef HAVE_UNISTD_H
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#   include <unistd.h>
#elif defined( _MSC_VER ) && defined( _WIN32 )
#   include <io.h>
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#endif

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#ifdef HAVE_LOCALE_H
#    include <locale.h>
#endif

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#include <errno.h>                                                 /* ENOMEM */
#include <stdlib.h>                                  /* getenv(), strtol(),  */
#include <string.h>                                            /* strerror() */
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#include <fcntl.h>                                       /* open(), O_WRONLY */
#include <sys/stat.h>                                             /* S_IREAD */
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#include "netutils.h"                                 /* network_ChannelJoin */
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#include "stream_control.h"
#include "input_ext-intf.h"
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#include "intf_playlist.h"
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#include "interface.h"
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#include "audio_output.h"
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#include "video.h"
#include "video_output.h"

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#include "debug.h"
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/*****************************************************************************
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 * Configuration options for the main program. Each plugin will also separatly
 * define its own configuration options.
 * Look into configuration.h if you need to know more about the following
 * macros.
 * 
 *****************************************************************************/
#define BUILTIN
#define MODULE_NAME main
#include "modules_inner.h"                        /* for configuration stuff */

/* Quick usage guide
MODULE_CONFIG_START
MODULE_CONFIG_STOP
ADD_CATEGORY_HINT( text, longtext )
ADD_SUBCATEGORY_HINT( text, longtext )
ADD_STRING( option_name, value, p_callback, text, longtext )
ADD_FILE( option_name, psz_value, p_callback, text, longtext )
ADD_PLUGIN( option_name, psz_value, i_capability, p_callback, text, longtext )
ADD_INTEGER( option_name, i_value, p_callback, text, longtext )
ADD_BOOL( option_name, p_callback, text, longtext )
*/

MODULE_CONFIG_START

/* Help options */
ADD_CATEGORY_HINT( "Help Options", NULL )
ADD_BOOL    ( "help", NULL,"print help and exit (or use -h)", NULL )
ADD_BOOL    ( "longhelp", NULL, "print long help version and exit (or use -H)",
              NULL )
ADD_BOOL    ( "list", NULL, "list available plugins (or use -l)", NULL )
ADD_STRING  ( "pluginhelp", NULL, NULL,"print help on a plugin and exit",NULL )
ADD_BOOL    ( "version", NULL, "output version information and exit", NULL )

/* Interface options */
ADD_CATEGORY_HINT( "Interface Options", NULL)
ADD_PLUGIN  ( INTF_METHOD_VAR, MODULE_CAPABILITY_INTF, NULL, NULL,
              "interface method", NULL )
ADD_INTEGER ( INTF_WARNING_VAR, 0, NULL, "warning level (or use -v)", NULL )
ADD_BOOL    ( INTF_STATS_VAR, NULL, "output statistics", NULL )
ADD_STRING  ( INTF_PATH_VAR, NULL, NULL, "interface default search path", NULL)

/* Audio Options */
ADD_CATEGORY_HINT( "Audio Options", NULL)
ADD_BOOL    ( AOUT_NOAUDIO_VAR, NULL, "disable audio", NULL )
ADD_PLUGIN  ( AOUT_METHOD_VAR, MODULE_CAPABILITY_AOUT, NULL, NULL,
              "audio output method", NULL )
ADD_BOOL    ( AOUT_MONO_VAR, NULL, "mono audio", NULL )
ADD_INTEGER ( AOUT_VOLUME_VAR, VOLUME_DEFAULT, NULL, "VLC output volume", NULL)
ADD_INTEGER ( AOUT_RATE_VAR, 44100, NULL, "VLC output frequency", NULL )
ADD_INTEGER ( AOUT_DESYNC_VAR, 0, NULL, "Compensate desynchronization of the "
                                        "audio (in ms)", NULL )

/* Video options */
ADD_CATEGORY_HINT( "Video Options", NULL )
ADD_BOOL    ( VOUT_NOVIDEO_VAR, NULL, "disable video", NULL )
ADD_PLUGIN  ( VOUT_METHOD_VAR, MODULE_CAPABILITY_VOUT, NULL, NULL,
              "video output method", NULL )
ADD_STRING  ( VOUT_DISPLAY_VAR, NULL, NULL, "display string", NULL )
ADD_INTEGER ( VOUT_WIDTH_VAR, 720, NULL, "display width", NULL )
ADD_INTEGER ( VOUT_HEIGHT_VAR, 576, NULL, "display height", NULL )
ADD_BOOL    ( VOUT_GRAYSCALE_VAR, NULL, "grayscale output", NULL )
ADD_BOOL    ( VOUT_FULLSCREEN_VAR, NULL, "fullscreen output", NULL )
ADD_BOOL    ( VOUT_NOOVERLAY_VAR, NULL, "disable accelerated display", NULL )
ADD_PLUGIN  ( VOUT_FILTER_VAR, MODULE_CAPABILITY_VOUT, NULL, NULL,
              "video filter module", NULL )
ADD_INTEGER ( VOUT_SPUMARGIN_VAR, -1, NULL, "force SPU position", NULL )

/* Input options */
ADD_CATEGORY_HINT( "Input Options", NULL )
ADD_STRING  ( INPUT_METHOD_VAR, NULL, NULL, "input method", NULL )
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ADD_INTEGER ( INPUT_PORT_VAR, 1234, NULL, "server port", NULL )
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ADD_BOOL    ( INPUT_NETWORK_CHANNEL_VAR, NULL, "enable network channel mode",
              NULL )
ADD_STRING  ( INPUT_CHANNEL_SERVER_VAR, "localhost", NULL,
              "channel server address", NULL )
ADD_INTEGER ( INPUT_CHANNEL_PORT_VAR, 6010, NULL, "channel server port", NULL )
ADD_STRING  ( INPUT_IFACE_VAR, "eth0", NULL, "network interface", NULL )

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ADD_INTEGER ( INPUT_AUDIO_VAR, -1, NULL, "choose audio", NULL )
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ADD_INTEGER ( INPUT_CHANNEL_VAR, -1, NULL, "choose channel", NULL )
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ADD_INTEGER ( INPUT_SUBTITLE_VAR, -1, NULL, "choose subtitles", NULL )

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ADD_STRING  ( INPUT_DVD_DEVICE_VAR, "/dev/dvd", NULL, "DVD device", NULL )
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ADD_STRING  ( INPUT_VCD_DEVICE_VAR, "/dev/cdrom", NULL, "VCD device", NULL )

/* Decoder options */
ADD_CATEGORY_HINT( "Decoders Options", NULL )
ADD_PLUGIN  ( ADEC_MPEG_VAR, MODULE_CAPABILITY_DECODER, NULL, NULL,
              "choose MPEG audio decoder", NULL )
ADD_PLUGIN  ( ADEC_AC3_VAR, MODULE_CAPABILITY_DECODER, NULL, NULL,
              "choose AC3 audio decoder", NULL )
ADD_INTEGER ( VDEC_SMP_VAR, 0, NULL, "use additional processors", NULL )
ADD_STRING  ( VPAR_SYNCHRO_VAR, NULL, NULL, "force synchro algorithm "
                                            "{I|I+|IP|IP+|IPB}", NULL )

/* CPU options */
ADD_CATEGORY_HINT( "CPU Options Options", NULL )
ADD_BOOL    ( NOMMX_VAR, NULL, "disable CPU's MMX support", NULL )
ADD_BOOL    ( NO3DN_VAR, NULL, "disable CPU's 3D Now! support", NULL )
ADD_BOOL    ( NOMMXEXT_VAR, NULL, "disable CPU's MMX EXT support", NULL )
ADD_BOOL    ( NOSSE_VAR, NULL, "disable CPU's SSE support", NULL )
ADD_BOOL    ( NOALTIVEC_VAR, NULL, "disable CPU's AltiVec support", NULL )

/* Playlist options */
ADD_BOOL    ( PLAYLIST_STARTUP_VAR, NULL, "launch playlist on startup", NULL )
ADD_BOOL    ( PLAYLIST_ENQUEUE_VAR, NULL, "enqueue playlist as default", NULL )
ADD_BOOL    ( PLAYLIST_LOOP_VAR, NULL, "loop on playlist end", NULL )

/* Misc options */
ADD_CATEGORY_HINT( "Miscellaneous Options", NULL )
ADD_PLUGIN  ( MEMCPY_METHOD_VAR, MODULE_CAPABILITY_MEMCPY, NULL, NULL,
              "memory copy method", NULL )

MODULE_CONFIG_STOP

MODULE_INIT_START
    SET_DESCRIPTION( "Main program" )
    ADD_CAPABILITY( MAIN, 100/*whatever*/ )
MODULE_INIT_STOP

MODULE_ACTIVATE_START
MODULE_ACTIVATE_STOP

MODULE_DEACTIVATE_START
MODULE_DEACTIVATE_STOP
/*****************************************************************************
 * End configuration.
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 *****************************************************************************/
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/*****************************************************************************
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 * Global variables - these are the only ones, see main.h and modules.h
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 *****************************************************************************/
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main_t        *p_main;
module_bank_t *p_module_bank;
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input_bank_t  *p_input_bank;
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aout_bank_t   *p_aout_bank;
vout_bank_t   *p_vout_bank;
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/*****************************************************************************
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 * Local prototypes
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 *****************************************************************************/
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static int  GetConfigurationFromFile    ( void ){return 0;};
static int  GetConfigurationFromCmdLine ( int *pi_argc, char *ppsz_argv[],
                                          boolean_t b_ignore_errors );
static int  GetFilenames                ( int i_argc, char *ppsz_argv[] );
static void Usage                       ( const char *psz_module_name );
static void ListModules                 ( void );
static void Version                     ( void );

static void InitSignalHandler           ( void );
static void SimpleSignalHandler         ( int i_signal );
static void FatalSignalHandler          ( int i_signal );
static void IllegalSignalHandler        ( int i_signal );
static u32  CPUCapabilities             ( void );

#ifdef WIN32
static void ShowConsole                 ( void );
#endif
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static jmp_buf env;
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static int     i_illegal;
static char   *psz_capability;
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/*****************************************************************************
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 * main: parse command line, start interface and spawn threads
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 *****************************************************************************
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 * Steps during program execution are:
 *      -configuration parsing and messages interface initialization
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 *      -opening of audio output device and some global modules
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 *      -execution of interface, which exit on error or on user request
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 *      -closing of audio output device and some global modules
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 * On error, the spawned threads are canceled, and the open devices closed.
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 *****************************************************************************/
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int main( int i_argc, char *ppsz_argv[], char *ppsz_env[] )
{
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    main_t        main_data;                /* root of all data - see main.h */
    module_bank_t module_bank;
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    input_bank_t  input_bank;
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    aout_bank_t   aout_bank;
    vout_bank_t   vout_bank;
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    char *p_tmp;
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    p_main        = &main_data;               /* set up the global variables */
    p_module_bank = &module_bank;
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    p_input_bank  = &input_bank;
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    p_aout_bank   = &aout_bank;
    p_vout_bank   = &vout_bank;
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    p_main->i_warning_level = 0;

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#if defined( ENABLE_NLS ) && defined ( HAVE_GETTEXT )
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    /*
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     * Support for getext
     */
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#if defined( HAVE_LOCALE_H ) && defined( HAVE_LC_MESSAGES )
    if( !setlocale( LC_MESSAGES, "" ) )
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    {
        fprintf( stderr, "warning: unsupported locale.\n" );
    }
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#endif
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    if( !bindtextdomain( PACKAGE, LOCALEDIR ) )
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    {
        fprintf( stderr, "warning: no domain %s in directory %s\n",
                 PACKAGE, LOCALEDIR );
    }

    textdomain( PACKAGE );
#endif
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    /*
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     * Initialize threads system
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     */
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    vlc_threads_init( );
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    /*
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     * Test if our code is likely to run on this CPU
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     */
    p_main->i_cpu_capabilities = CPUCapabilities();
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    /*
     * System specific initialization code
     */
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#if defined( SYS_BEOS ) || defined( SYS_DARWIN ) || defined( WIN32 )
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    system_Init( &i_argc, ppsz_argv, ppsz_env );
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#elif defined( SYS_LINUX )
#   ifdef DEBUG
    /* Activate malloc checking routines to detect heap corruptions. */
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    putenv( "MALLOC_CHECK_=2" );
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#   endif
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#endif
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    /*
     * Initialize messages interface
     */
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    intf_MsgCreate();
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    intf_Msg( COPYRIGHT_MESSAGE "\n" );
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    /* Get the executable name (similar to the basename command) */
    p_main->psz_arg0 = p_tmp = ppsz_argv[ 0 ];
    while( *p_tmp )
    {
        if( *p_tmp == '/' ) p_main->psz_arg0 = ++p_tmp;
        else ++p_tmp;
    }

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    /*
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     * Initialize the module bank and and load the configuration of the main
     * module. We need to do this at this stage to be able to display a short
     * help if required by the user. (short help == main module options)
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     */
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    module_InitBank();
    module_LoadMain();

    if( GetConfigurationFromCmdLine( &i_argc, ppsz_argv, 1 ) )
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    {
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        intf_MsgDestroy();
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        return( errno );
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    }
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    /* Check for short help option */
    if( config_GetIntVariable( "help" ) )
    {
        Usage( "main" );
        return( -1 );
    }

    /* Check for version option */
    if( config_GetIntVariable( "version" ) )
    {
        Version();
        return( -1 );
    }

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    /*
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     * Load the builtins and plugins into the module_bank.
     * We have to do it before GetConfiguration() because this also gets the
     * list of configuration options exported by each plugin and loads their
     * default values.
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     */
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    module_LoadBuiltins();
    module_LoadPlugins();
    intf_WarnMsg( 2, "module: module bank initialized, found %i modules",
                  p_module_bank->i_count );

    /* Check for help on plugins */
    if( (p_tmp = config_GetPszVariable( "pluginhelp" )) )
    {
        Usage( p_tmp );
        free( p_tmp );
        return( -1 );
    }

    /* Check for long help option */
    if( config_GetIntVariable( "longhelp" ) )
    {
        Usage( NULL );
        return( -1 );
    }

    /* Check for plugin list option */
    if( config_GetIntVariable( "list" ) )
    {
        ListModules();
        return( -1 );
    }

    /*
     * Override default configuration with config file settings
     */
    if( GetConfigurationFromFile() )
    {
        intf_MsgDestroy();
        return( errno );
    }

    /*
     * Override configuration with command line settings
     */
    if( GetConfigurationFromCmdLine( &i_argc, ppsz_argv, 0 ) )
    {
        intf_MsgDestroy();
        return( errno );
    }

    /* p_main inititalization. FIXME ? */
    p_main->i_desync = (mtime_t)config_GetIntVariable( AOUT_DESYNC_VAR )
      * (mtime_t)1000;
    p_main->b_stats = config_GetIntVariable( INTF_STATS_VAR );
    p_main->b_audio = !config_GetIntVariable( AOUT_NOAUDIO_VAR );
    p_main->b_stereo= !config_GetIntVariable( AOUT_MONO_VAR );
    p_main->b_video = !config_GetIntVariable( VOUT_NOVIDEO_VAR );
    if( config_GetIntVariable( NOMMX_VAR ) )
        p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_MMX;
    if( config_GetIntVariable( NO3DN_VAR ) )
        p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_3DNOW;
    if( config_GetIntVariable( NOMMXEXT_VAR ) )
        p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_MMXEXT;
    if( config_GetIntVariable( NOSSE_VAR ) )
        p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_SSE;
    if( config_GetIntVariable( NOALTIVEC_VAR ) )
        p_main->i_cpu_capabilities &= ~CPU_CAPABILITY_ALTIVEC;


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    if( p_main->b_stats )
    {
        char          p_capabilities[200];
        p_capabilities[0] = '\0';

#define PRINT_CAPABILITY( capability, string )                              \
        if( p_main->i_cpu_capabilities & capability )                       \
        {                                                                   \
            strncat( p_capabilities, string " ",                            \
                     sizeof(p_capabilities) - strlen(p_capabilities) );     \
            p_capabilities[sizeof(p_capabilities) - 1] = '\0';              \
        }

        PRINT_CAPABILITY( CPU_CAPABILITY_486, "486" );
        PRINT_CAPABILITY( CPU_CAPABILITY_586, "586" );
        PRINT_CAPABILITY( CPU_CAPABILITY_PPRO, "Pentium Pro" );
        PRINT_CAPABILITY( CPU_CAPABILITY_MMX, "MMX" );
        PRINT_CAPABILITY( CPU_CAPABILITY_3DNOW, "3DNow!" );
        PRINT_CAPABILITY( CPU_CAPABILITY_MMXEXT, "MMXEXT" );
        PRINT_CAPABILITY( CPU_CAPABILITY_SSE, "SSE" );
        PRINT_CAPABILITY( CPU_CAPABILITY_ALTIVEC, "Altivec" );
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        PRINT_CAPABILITY( CPU_CAPABILITY_FPU, "FPU" );
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        intf_StatMsg( "info: CPU has capabilities : %s", p_capabilities );
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    }

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    /*
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     * Initialize playlist and get commandline files
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     */
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    p_main->p_playlist = intf_PlaylistCreate();
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    if( !p_main->p_playlist )
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    {
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        intf_ErrMsg( "playlist error: playlist initialization failed" );
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        intf_MsgDestroy();
        return( errno );
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    }
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    intf_PlaylistInit( p_main->p_playlist );
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    /*
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     * Get input filenames given as commandline arguments
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     */
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    GetFilenames( i_argc, ppsz_argv );
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    /*
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     * Initialize input, aout and vout banks
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     */
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    input_InitBank();
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    aout_InitBank();
    vout_InitBank();
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    /*
     * Choose the best memcpy module
     */
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    p_main->p_memcpy_module = module_Need( MODULE_CAPABILITY_MEMCPY, NULL,
                                           NULL );
    if( p_main->p_memcpy_module == NULL )
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    {
        intf_ErrMsg( "intf error: no suitable memcpy module, "
                     "using libc default" );
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        p_main->pf_memcpy = memcpy;
    }
    else
    {
        p_main->pf_memcpy = p_main->p_memcpy_module->p_functions
                                  ->memcpy.functions.memcpy.pf_memcpy;
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    }
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    /*
     * Initialize shared resources and libraries
     */
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    if( config_GetIntVariable( INPUT_NETWORK_CHANNEL_VAR ) &&
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        network_ChannelCreate() )
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    {
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        /* On error during Channels initialization, switch off channels */
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        intf_ErrMsg( "intf error: channels initialization failed, " 
                                 "deactivating channels" );
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        config_PutIntVariable( INPUT_NETWORK_CHANNEL_VAR, 0 );
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    }
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    /*
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     * Try to run the interface
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     */
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    p_main->p_intf = intf_Create();
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    if( p_main->p_intf == NULL )
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    {
        intf_ErrMsg( "intf error: interface initialization failed" );
    }
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    else
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    {
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        /*
         * Set signal handling policy for all threads
         */
        InitSignalHandler();

        /*
         * This is the main loop
         */
        p_main->p_intf->pf_run( p_main->p_intf );

        /*
         * Finished, destroy the interface
         */
        intf_Destroy( p_main->p_intf );

        /*
         * Go back into channel 0 which is the network
         */
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        if( config_GetIntVariable( INPUT_NETWORK_CHANNEL_VAR ) )
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        {
            network_ChannelJoin( COMMON_CHANNEL );
        }
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    }
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    /*
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     * Free input, aout and vout banks
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     */
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    input_EndBank();
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    vout_EndBank();
    aout_EndBank();

    /*
     * Free playlist
     */
    intf_PlaylistDestroy( p_main->p_playlist );

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    /*
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     * Free memcpy module if it was allocated
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     */
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    if( p_main->p_memcpy_module != NULL )
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    {
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        module_Unneed( p_main->p_memcpy_module );
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    }
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    /*
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     * Free module bank
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     */
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    module_EndBank();
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    /*
     * System specific cleaning code
     */
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#if defined( SYS_BEOS ) || defined( SYS_DARWIN ) || defined( WIN32 )
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    system_End();
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#endif

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    /*
     * Terminate messages interface and program
     */
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    intf_WarnMsg( 1, "intf: program terminated" );
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    intf_MsgDestroy();
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    /*
     * Stop threads system
     */
    vlc_threads_end( );
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    return 0;
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}

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/* following functions are local */
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/*****************************************************************************
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 * GetConfigurationFromCmdLine: parse command line
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 *****************************************************************************
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 * Parse command line for configuration. If the inline help is requested, the
 * function Usage() is called and the function returns -1 (causing main() to
 * exit).
 * Now that the module_bank has been initialized, we can dynamically
 * generate the longopts structure used by getops. We have to do it this way
 * because we don't know (and don't want to know) in advance the configuration
 * options used (ie. exported) by each module.
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 *****************************************************************************/
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static int GetConfigurationFromCmdLine( int *pi_argc, char *ppsz_argv[],
                                        boolean_t b_ignore_errors )
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{
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    int i_cmd, i, i_index, i_longopts_size;
    module_t *p_module;
    struct option *p_longopts;
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    /* Short options */
    const char *psz_shortopts = "hHvl";
617

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    /* Set default configuration and copy arguments */
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    p_main->i_argc    = *pi_argc;
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    p_main->ppsz_argv = ppsz_argv;
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    p_main->p_channel = NULL;

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#ifdef SYS_DARWIN
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    /* When vlc.app is run by double clicking in Mac OS X, the 2nd arg
     * is the PSN - process serial number (a unique PID-ish thingie)
     * still ok for real Darwin & when run from command line */
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    if ( (*pi_argc > 1) && (strncmp( ppsz_argv[ 1 ] , "-psn" , 4 ) == 0) )
                                        /* for example -psn_0_9306113 */
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    {
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        /* GDMF!... I can't do this or else the MacOSX window server will
         * not pick up the PSN and not register the app and we crash...
         * hence the following kludge otherwise we'll get confused w/ argv[1]
         * being an input file name */
#if 0
        ppsz_argv[ 1 ] = NULL;
#endif
        *pi_argc = *pi_argc - 1;
        pi_argc--;
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        return( 0 );
    }
#endif

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    /*
     * Generate the longopts structure used by getopt_long
     */
    i_longopts_size = 0;
    for( p_module = p_module_bank->first ;
         p_module != NULL ;
         p_module = p_module->next )
    {
        /* count the number of exported configuration options (to allocate
         * longopts). The i_config_options we use is an approximation of the
         * real number of options (it also includes markers like: category ...)
         * but it is enough for our purpose */
        i_longopts_size += p_module->i_config_options -1;
    }

    p_longopts = (struct option *)malloc( sizeof(struct option)
                                          * (i_longopts_size + 1) );
    if( p_longopts == NULL )
    {
        intf_ErrMsg( "GetConfigurationFromCmdLine error: "
                     "can't allocate p_longopts" );
        return( -1 );
    }

    /* Fill the longopts structure */
    i_index = 0;
    for( p_module = p_module_bank->first ;
         p_module != NULL ;
         p_module = p_module->next )
    {
        for( i = 1; i < (p_module->i_config_options -1); i++ )
        {
            if( (p_module->p_config[i].i_type == MODULE_CONFIG_ITEM_CATEGORY)||
                (p_module->p_config[i].i_type ==
                     MODULE_CONFIG_ITEM_SUBCATEGORY)||
                (p_module->p_config[i].i_type ==
                     MODULE_CONFIG_ITEM_SUBCATEGORY_END) )
                 continue;
            p_longopts[i_index].name = p_module->p_config[i].psz_name;
            p_longopts[i_index].has_arg =
                (p_module->p_config[i].i_type == MODULE_CONFIG_ITEM_BOOL)?
                                               no_argument : required_argument;
            p_longopts[i_index].flag = 0;
            p_longopts[i_index].val = 0;
            i_index++;
        }
    }
    /* Close the longopts structure */
    memset( &p_longopts[i_index], 0, sizeof(struct option) );


    /*
     * Parse the command line options
     */
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    opterr = 0;
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    optind = 1;
    while( ( i_cmd = getopt_long( *pi_argc, ppsz_argv, psz_shortopts,
                                  p_longopts, &i_index ) ) != EOF )
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    {
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        if( i_cmd == 0 )
        {
            /* A long option has been recognized */

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            module_config_t *p_conf;
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            /* Store the configuration option */
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            p_conf = config_FindConfig( p_longopts[i_index].name );
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            switch( p_conf->i_type )
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            {
            case MODULE_CONFIG_ITEM_STRING:
            case MODULE_CONFIG_ITEM_FILE:
            case MODULE_CONFIG_ITEM_PLUGIN:
                config_PutPszVariable( p_longopts[i_index].name, optarg );
                break;
            case MODULE_CONFIG_ITEM_INTEGER:
                config_PutIntVariable( p_longopts[i_index].name, atoi(optarg));
                break;
            case MODULE_CONFIG_ITEM_BOOL:
                config_PutIntVariable( p_longopts[i_index].name, 1 );
                break;
            }

            continue;
        }

        /* short options handled here for now */
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        switch( i_cmd )
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        {
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        /* General/common options */
        case 'h':                                              /* -h, --help */
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            config_PutIntVariable( "help", 1 );
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            break;
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        case 'H':                                          /* -H, --longhelp */
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            config_PutIntVariable( "longhelp", 1 );
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            break;
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        case 'l':                                              /* -l, --list */
            config_PutIntVariable( "list", 1 );
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            break;
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        case 'v':                                           /* -v, --verbose */
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            p_main->i_warning_level++;
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            break;
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        /* Internal error: unknown option */
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        case '?':
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        default:
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            if( !b_ignore_errors )
            {
                intf_ErrMsg( "intf error: unknown option `%s'",
                             ppsz_argv[optind] );
                intf_Msg( "Try `%s --help' for more information.\n",
                          p_main->psz_arg0 );

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#ifdef WIN32        /* Pause the console because it's destroyed when we exit */
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                intf_Msg( "\nPress the RETURN key to continue..." );
                getchar();
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#endif
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                free( p_longopts );
                return( EINVAL );
                break;
            }
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        }
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    }
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    if( p_main->i_warning_level < 0 )
    {
        p_main->i_warning_level = 0;
    }

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    free( p_longopts );
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    return( 0 );
}

/*****************************************************************************
 * GetFilenames: parse command line options which are not flags
 *****************************************************************************
 * Parse command line for input files.
 *****************************************************************************/
static int GetFilenames( int i_argc, char *ppsz_argv[] )
{
    int i_opt;
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    /* We assume that the remaining parameters are filenames */
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    for( i_opt = optind; i_opt < i_argc; i_opt++ )
    {
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        intf_PlaylistAdd( p_main->p_playlist, PLAYLIST_END,
                          ppsz_argv[ i_opt ] );
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    }
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    return( 0 );
}

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/*****************************************************************************
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 * Usage: print program usage
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 *****************************************************************************
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 * Print a short inline help. Message interface is initialized at this stage.
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 *****************************************************************************/
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static void Usage( const char *psz_module_name )
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{
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    int i;
    module_t *p_module;
    char psz_spaces[30];

    memset( psz_spaces, 32, 30 );

#ifdef WIN32
    ShowConsole();
#endif

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    /* Usage */
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    intf_Msg( "Usage: %s [options] [parameters] [file]...\n",
              p_main->psz_arg0 );
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    /* Enumerate the config of each module */
    for( p_module = p_module_bank->first ;
         p_module != NULL ;
         p_module = p_module->next )
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    {
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        if( psz_module_name && strcmp( psz_module_name, p_module->psz_name ) )
            continue;

        /* print module name */
        intf_Msg( "%s configuration:\n", p_module->psz_name );

        for( i = 0; i < (p_module->i_config_options -1); i++ )
        {
            int j;

            switch( p_module->p_config[i].i_type )
            {
            case MODULE_CONFIG_ITEM_CATEGORY:
                intf_Msg( " %s", p_module->p_config[i].psz_text );
                break;

            case MODULE_CONFIG_ITEM_STRING:
            case MODULE_CONFIG_ITEM_FILE:
            case MODULE_CONFIG_ITEM_PLUGIN:
                /* Nasty hack, but right now I'm too tired to think about
                 * a nice solution */
                j = 25 - strlen( p_module->p_config[i].psz_name )
                    - strlen(" <string>") - 1;
                if( j < 0 ) j = 0; psz_spaces[j] = 0;

                intf_Msg( "  --%s <string>%s %s",
                          p_module->p_config[i].psz_name, psz_spaces,
                          p_module->p_config[i].psz_text );
                psz_spaces[j] = 32;
                break;
            case MODULE_CONFIG_ITEM_INTEGER:
                /* Nasty hack, but right now I'm too tired to think about
                 * a nice solution */
                j = 25 - strlen( p_module->p_config[i].psz_name )
                    - strlen(" <integer>") - 1;
                if( j < 0 ) j = 0; psz_spaces[j] = 0;

                intf_Msg( "  --%s <integer>%s %s",
                          p_module->p_config[i].psz_name, psz_spaces,
                          p_module->p_config[i].psz_text );
                psz_spaces[j] = 32;
                break;
            default:
                /* Nasty hack, but right now I'm too tired to think about
                 * a nice solution */
                j = 25 - strlen( p_module->p_config[i].psz_name ) - 1;
                if( j < 0 ) j = 0; psz_spaces[j] = 0;

                intf_Msg( "  --%s%s %s",
                          p_module->p_config[i].psz_name, psz_spaces,
                          p_module->p_config[i].psz_text );
                psz_spaces[j] = 32;
                break;
            }
        }

        /* Yet another nasty hack.
         * Maybe we could use MODULE_CONFIG_ITEM_END to display tail messages
         * for each module?? */
        if( !strcmp( "main", p_module->psz_name ) )
            intf_Msg( "\nPlaylist items:"
                "\n  *.mpg, *.vob                   \tPlain MPEG-1/2 files"
                "\n  dvd:<device>[@<raw device>]    \tDVD device"
                "\n  vcd:<device>                   \tVCD device"
                "\n  udpstream:[<server>[:<server port>]][@[<bind address>]"
                      "[:<bind port>]]"
                "\n                                 \tUDP stream sent by VLS"
                "\n  vlc:loop                       \tLoop execution of the "
                      "playlist"
                "\n  vlc:pause                      \tPause execution of "
                      "playlist items"
                "\n  vlc:quit                       \tQuit VLC" );

        intf_Msg( "" );

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    }

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#ifdef WIN32        /* Pause the console because it's destroyed when we exit */
        intf_Msg( "\nPress the RETURN key to continue..." );
        getchar();
#endif
}

/*****************************************************************************
 * ListModules: list the available modules with their description
 *****************************************************************************
 * Print a list of all available modules (builtins and plugins) and a short
 * description for each one.
 *****************************************************************************/
static void ListModules( void )
{
    module_t *p_module;
    char psz_spaces[20];

    memset( psz_spaces, 32, 20 );

#ifdef WIN32
    ShowConsole();
#endif

    /* Usage */
    intf_Msg( "Usage: %s [options] [parameters] [file]...\n",
              p_main->psz_arg0 );

    intf_Msg( "[plugin]              [description]" );

    /* Enumerate each module */
    for( p_module = p_module_bank->first ;
         p_module != NULL ;
         p_module = p_module->next )
    {
        int i;

        /* Nasty hack, but right now I'm too tired to think about a nice
         * solution */
        i = 20 - strlen( p_module->psz_name ) - 1;
        if( i < 0 ) i = 0;
        psz_spaces[i] = 0;

        intf_Msg( "  %s%s %s", p_module->psz_name, psz_spaces,
                  p_module->psz_longname );

        psz_spaces[i] = 32;

    }

#ifdef WIN32        /* Pause the console because it's destroyed when we exit */
        intf_Msg( "\nPress the RETURN key to continue..." );
        getchar();
#endif
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}

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/*****************************************************************************
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 * Version: print complete program version
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 *****************************************************************************
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 * Print complete program version and build number.
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 *****************************************************************************/
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static void Version( void )
{
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#ifdef WIN32
    ShowConsole();
#endif
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    intf_Msg( VERSION_MESSAGE
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        "This program comes with NO WARRANTY, to the extent permitted by law.\n"
        "You may redistribute it under the terms of the GNU General Public License;\n"
        "see the file named COPYING for details.\n"
        "Written by the VideoLAN team at Ecole Centrale, Paris." );
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#ifdef WIN32        /* Pause the console because it's destroyed when we exit */
        intf_Msg( "\nPress the RETURN key to continue..." );
        getchar();
#endif
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}
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/*****************************************************************************
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 * InitSignalHandler: system signal handler initialization
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 *****************************************************************************
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 * Set the signal handlers. SIGTERM is not intercepted, because we need at
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 * at least a method to kill the program when all other methods failed, and
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 * when we don't want to use SIGKILL.
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 *****************************************************************************/
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static void InitSignalHandler( void )
{
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    /* Termination signals */
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#ifndef WIN32
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    signal( SIGINT,  FatalSignalHandler );
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    signal( SIGHUP,  FatalSignalHandler );
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    signal( SIGQUIT, FatalSignalHandler );

    /* Other signals */
    signal( SIGALRM, SimpleSignalHandler );
    signal( SIGPIPE, SimpleSignalHandler );
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#endif
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}

/*****************************************************************************
 * SimpleSignalHandler: system signal handler
 *****************************************************************************
 * This function is called when a non fatal signal is received by the program.
 *****************************************************************************/
static void SimpleSignalHandler( int i_signal )
{
    /* Acknowledge the signal received */
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    intf_WarnMsg( 0, "intf: ignoring signal %d", i_signal );
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}

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/*****************************************************************************
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 * FatalSignalHandler: system signal handler
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 *****************************************************************************
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 * This function is called when a fatal signal is received by the program.
 * It tries to end the program in a clean way.
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 *****************************************************************************/
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static void FatalSignalHandler( int i_signal )
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{
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    /* Once a signal has been trapped, the termination sequence will be
     * armed and following signals will be ignored to avoid sending messages
     * to an interface having been destroyed */
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#ifndef WIN32
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    signal( SIGINT,  SIG_IGN );
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    signal( SIGHUP,  SIG_IGN );
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    signal( SIGQUIT, SIG_IGN );
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#endif
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    /* Acknowledge the signal received */
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    intf_ErrMsg( "intf error: signal %d received, exiting", i_signal );
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    /* Try to terminate everything - this is done by requesting the end of the
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     * interface thread */
    p_main->p_intf->b_die = 1;
}

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/*****************************************************************************
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 * IllegalSignalHandler: system signal handler
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 *****************************************************************************
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 * This function is called when an illegal instruction signal is received by
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 * the program. We use this function to test OS and CPU capabilities
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 *****************************************************************************/
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static void IllegalSignalHandler( int i_signal )
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{
    /* Acknowledge the signal received */
    i_illegal = 1;
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