libvlc.c
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上传日期:2009-03-27
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文件大小:66k
- /*****************************************************************************
- * libvlc.c: main libvlc source
- *****************************************************************************
- * Copyright (C) 1998-2004 VideoLAN
- * $Id: libvlc.c 9056 2004-10-24 21:07:58Z gbazin $
- *
- * Authors: Vincent Seguin <seguin@via.ecp.fr>
- * Samuel Hocevar <sam@zoy.org>
- * Gildas Bazin <gbazin@videolan.org>
- * Derk-Jan Hartman <hartman at videolan dot org>
- *
- * 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.
- *****************************************************************************/
- /*****************************************************************************
- * Pretend we are a builtin module
- *****************************************************************************/
- #define MODULE_NAME main
- #define MODULE_PATH main
- #define __BUILTIN__
- /*****************************************************************************
- * Preamble
- *****************************************************************************/
- #include <vlc/vlc.h>
- #include <vlc/input.h>
- #include <errno.h> /* ENOMEM */
- #include <stdio.h> /* sprintf() */
- #include <string.h> /* strerror() */
- #include <stdlib.h> /* free() */
- #ifndef WIN32
- # include <netinet/in.h> /* BSD: struct in_addr */
- #endif
- #ifdef HAVE_UNISTD_H
- # include <unistd.h>
- #elif defined( WIN32 ) && !defined( UNDER_CE )
- # include <io.h>
- #endif
- #ifdef WIN32 /* optind, getopt(), included in unistd.h */
- # include "extras/getopt.h"
- #endif
- #ifdef HAVE_LOCALE_H
- # include <locale.h>
- #endif
- #ifdef HAVE_HAL
- # include <hal/libhal.h>
- #endif
- #include "vlc_cpu.h" /* CPU detection */
- #include "os_specific.h"
- #include "vlc_error.h"
- #include "vlc_playlist.h"
- #include "vlc_interface.h"
- #include "audio_output.h"
- #include "vlc_video.h"
- #include "video_output.h"
- #include "stream_output.h"
- #include "libvlc.h"
- /*****************************************************************************
- * The evil global variable. We handle it with care, don't worry.
- *****************************************************************************/
- static libvlc_t libvlc;
- static libvlc_t * p_libvlc;
- static vlc_t * p_static_vlc;
- /*****************************************************************************
- * Local prototypes
- *****************************************************************************/
- static void SetLanguage ( char const * );
- static int GetFilenames ( vlc_t *, int, char *[] );
- static void Usage ( vlc_t *, char const *psz_module_name );
- static void ListModules ( vlc_t * );
- static void Version ( void );
- #ifdef WIN32
- static void ShowConsole ( void );
- static void PauseConsole ( void );
- #endif
- static int ConsoleWidth ( void );
- static int VerboseCallback( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
- static void InitDeviceValues( vlc_t * );
- /*****************************************************************************
- * vlc_current_object: return the current object.
- *****************************************************************************
- * If i_object is non-zero, return the corresponding object. Otherwise,
- * return the statically allocated p_vlc object.
- *****************************************************************************/
- vlc_t * vlc_current_object( int i_object )
- {
- if( i_object )
- {
- return vlc_object_get( p_libvlc, i_object );
- }
- return p_static_vlc;
- }
- /*****************************************************************************
- * VLC_Version: return the libvlc version.
- *****************************************************************************
- * This function returns full version string (numeric version and codename).
- *****************************************************************************/
- char const * VLC_Version( void )
- {
- return VERSION_MESSAGE;
- }
- /*****************************************************************************
- * VLC_Error: strerror() equivalent
- *****************************************************************************
- * This function returns full version string (numeric version and codename).
- *****************************************************************************/
- char const * VLC_Error( int i_err )
- {
- return vlc_error( i_err );
- }
- /*****************************************************************************
- * VLC_Create: allocate a vlc_t structure, and initialize libvlc if needed.
- *****************************************************************************
- * This function allocates a vlc_t structure and returns a negative value
- * in case of failure. Also, the thread system is initialized.
- *****************************************************************************/
- int VLC_Create( void )
- {
- int i_ret;
- vlc_t * p_vlc = NULL;
- vlc_value_t lockval;
- /* &libvlc never changes, so we can safely call this multiple times. */
- p_libvlc = &libvlc;
- /* vlc_threads_init *must* be the first internal call! No other call is
- * allowed before the thread system has been initialized. */
- i_ret = vlc_threads_init( p_libvlc );
- if( i_ret < 0 )
- {
- return i_ret;
- }
- /* Now that the thread system is initialized, we don't have much, but
- * at least we have var_Create */
- var_Create( p_libvlc, "libvlc", VLC_VAR_MUTEX );
- var_Get( p_libvlc, "libvlc", &lockval );
- vlc_mutex_lock( lockval.p_address );
- if( !libvlc.b_ready )
- {
- char *psz_env;
- /* Guess what CPU we have */
- libvlc.i_cpu = CPUCapabilities();
- /* Find verbosity from VLC_VERBOSE environment variable */
- psz_env = getenv( "VLC_VERBOSE" );
- libvlc.i_verbose = psz_env ? atoi( psz_env ) : -1;
- #if defined( HAVE_ISATTY ) && !defined( WIN32 )
- libvlc.b_color = isatty( 2 ); /* 2 is for stderr */
- #else
- libvlc.b_color = VLC_FALSE;
- #endif
- /* Initialize message queue */
- msg_Create( p_libvlc );
- /* Announce who we are */
- msg_Dbg( p_libvlc, COPYRIGHT_MESSAGE );
- msg_Dbg( p_libvlc, "libvlc was configured with %s", CONFIGURE_LINE );
- /* The module bank will be initialized later */
- libvlc.p_module_bank = NULL;
- libvlc.b_ready = VLC_TRUE;
- }
- vlc_mutex_unlock( lockval.p_address );
- var_Destroy( p_libvlc, "libvlc" );
- /* Allocate a vlc object */
- p_vlc = vlc_object_create( p_libvlc, VLC_OBJECT_VLC );
- if( p_vlc == NULL )
- {
- return VLC_EGENERIC;
- }
- p_vlc->thread_id = 0;
- p_vlc->psz_object_name = "root";
- /* Initialize mutexes */
- vlc_mutex_init( p_vlc, &p_vlc->config_lock );
- #ifdef SYS_DARWIN
- vlc_mutex_init( p_vlc, &p_vlc->quicktime_lock );
- vlc_thread_set_priority( p_vlc, VLC_THREAD_PRIORITY_LOW );
- #endif
- /* Store our newly allocated structure in the global list */
- vlc_object_attach( p_vlc, p_libvlc );
- /* Store data for the non-reentrant API */
- p_static_vlc = p_vlc;
- return p_vlc->i_object_id;
- }
- /*****************************************************************************
- * VLC_Init: initialize a vlc_t structure.
- *****************************************************************************
- * This function initializes a previously allocated vlc_t structure:
- * - CPU detection
- * - gettext initialization
- * - message queue, module bank and playlist initialization
- * - configuration and commandline parsing
- *****************************************************************************/
- int VLC_Init( int i_object, int i_argc, char *ppsz_argv[] )
- {
- char p_capabilities[200];
- char * p_tmp;
- char * psz_modules;
- char * psz_parser;
- char * psz_language;
- vlc_bool_t b_exit = VLC_FALSE;
- vlc_t * p_vlc = vlc_current_object( i_object );
- module_t *p_help_module;
- playlist_t *p_playlist;
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- /*
- * System specific initialization code
- */
- system_Init( p_vlc, &i_argc, ppsz_argv );
- /* Get the executable name (similar to the basename command) */
- if( i_argc > 0 )
- {
- p_vlc->psz_object_name = p_tmp = ppsz_argv[ 0 ];
- while( *p_tmp )
- {
- if( *p_tmp == '/' ) p_vlc->psz_object_name = ++p_tmp;
- else ++p_tmp;
- }
- }
- else
- {
- p_vlc->psz_object_name = "vlc";
- }
- /*
- * Support for gettext
- */
- SetLanguage( "" );
- /* Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
- msg_Dbg( p_vlc, "translation test: code is "%s"", _("C") );
- /* Initialize the module bank 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) */
- module_InitBank( p_vlc );
- /* Hack: insert the help module here */
- p_help_module = vlc_object_create( p_vlc, VLC_OBJECT_MODULE );
- if( p_help_module == NULL )
- {
- module_EndBank( p_vlc );
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_EGENERIC;
- }
- p_help_module->psz_object_name = "help";
- p_help_module->psz_longname = N_("Help options");
- config_Duplicate( p_help_module, p_help_config );
- vlc_object_attach( p_help_module, libvlc.p_module_bank );
- /* End hack */
- if( config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_TRUE ) )
- {
- vlc_object_detach( p_help_module );
- config_Free( p_help_module );
- vlc_object_destroy( p_help_module );
- module_EndBank( p_vlc );
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_EGENERIC;
- }
- /* Check for short help option */
- if( config_GetInt( p_vlc, "help" ) )
- {
- fprintf( stdout, _("Usage: %s [options] [items]...n"),
- p_vlc->psz_object_name );
- Usage( p_vlc, "main" );
- Usage( p_vlc, "help" );
- b_exit = VLC_TRUE;
- }
- /* Check for version option */
- else if( config_GetInt( p_vlc, "version" ) )
- {
- Version();
- b_exit = VLC_TRUE;
- }
- /* Set the config file stuff */
- p_vlc->psz_homedir = config_GetHomeDir();
- p_vlc->psz_configfile = config_GetPsz( p_vlc, "config" );
- /* Check for plugins cache options */
- if( config_GetInt( p_vlc, "reset-plugins-cache" ) )
- {
- libvlc.p_module_bank->b_cache_delete = VLC_TRUE;
- }
- /* Hack: remove the help module here */
- vlc_object_detach( p_help_module );
- /* End hack */
- /* Will be re-done properly later on */
- p_vlc->p_libvlc->i_verbose = config_GetInt( p_vlc, "verbose" );
- /* Check for daemon mode */
- #ifndef WIN32
- if( config_GetInt( p_vlc, "daemon" ) )
- {
- #if HAVE_DAEMON
- if( daemon( 0, 0) != 0 )
- {
- msg_Err( p_vlc, "Unable to fork vlc to daemon mode" );
- b_exit = VLC_TRUE;
- }
- p_vlc->p_libvlc->b_daemon = VLC_TRUE;
- #else
- pid_t i_pid;
- if( ( i_pid = fork() ) < 0 )
- {
- msg_Err( p_vlc, "Unable to fork vlc to daemon mode" );
- b_exit = VLC_TRUE;
- }
- else if( i_pid )
- {
- /* This is the parent, exit right now */
- msg_Dbg( p_vlc, "closing parent process" );
- b_exit = VLC_TRUE;
- }
- else
- {
- /* We are the child */
- msg_Dbg( p_vlc, "daemon spawned" );
- close( STDIN_FILENO );
- close( STDOUT_FILENO );
- close( STDERR_FILENO );
- p_vlc->p_libvlc->b_daemon = VLC_TRUE;
- }
- #endif
- }
- #endif
- if( b_exit )
- {
- config_Free( p_help_module );
- vlc_object_destroy( p_help_module );
- module_EndBank( p_vlc );
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_EEXIT;
- }
- /* Check for translation config option */
- #if defined( ENABLE_NLS )
- && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
- /* This ain't really nice to have to reload the config here but it seems
- * the only way to do it. */
- config_LoadConfigFile( p_vlc, "main" );
- config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_TRUE );
- /* Check if the user specified a custom language */
- psz_language = config_GetPsz( p_vlc, "language" );
- if( psz_language && *psz_language && strcmp( psz_language, "auto" ) )
- {
- vlc_bool_t b_cache_delete = libvlc.p_module_bank->b_cache_delete;
- /* Reset the default domain */
- SetLanguage( psz_language );
- /* Translate "C" to the language code: "fr", "en_GB", "nl", "ru"... */
- msg_Dbg( p_vlc, "translation test: code is "%s"", _("C") );
- textdomain( PACKAGE_NAME );
- #if defined( ENABLE_UTF8 )
- bind_textdomain_codeset( PACKAGE_NAME, "UTF-8" );
- #endif
- module_EndBank( p_vlc );
- module_InitBank( p_vlc );
- config_LoadConfigFile( p_vlc, "main" );
- config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_TRUE );
- libvlc.p_module_bank->b_cache_delete = b_cache_delete;
- }
- if( psz_language ) free( psz_language );
- #endif
- /*
- * Load the builtins and plugins into the module_bank.
- * We have to do it before config_Load*() because this also gets the
- * list of configuration options exported by each module and loads their
- * default values.
- */
- module_LoadBuiltins( p_vlc );
- module_LoadPlugins( p_vlc );
- if( p_vlc->b_die )
- {
- b_exit = VLC_TRUE;
- }
- msg_Dbg( p_vlc, "module bank initialized, found %i modules",
- libvlc.p_module_bank->i_children );
- /* Hack: insert the help module here */
- vlc_object_attach( p_help_module, libvlc.p_module_bank );
- /* End hack */
- /* Check for help on modules */
- if( (p_tmp = config_GetPsz( p_vlc, "module" )) )
- {
- Usage( p_vlc, p_tmp );
- free( p_tmp );
- b_exit = VLC_TRUE;
- }
- /* Check for long help option */
- else if( config_GetInt( p_vlc, "longhelp" ) )
- {
- Usage( p_vlc, NULL );
- b_exit = VLC_TRUE;
- }
- /* Check for module list option */
- else if( config_GetInt( p_vlc, "list" ) )
- {
- ListModules( p_vlc );
- b_exit = VLC_TRUE;
- }
- /* Check for config file options */
- if( config_GetInt( p_vlc, "reset-config" ) )
- {
- vlc_object_detach( p_help_module );
- config_ResetAll( p_vlc );
- config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_TRUE );
- config_SaveConfigFile( p_vlc, NULL );
- vlc_object_attach( p_help_module, libvlc.p_module_bank );
- }
- if( config_GetInt( p_vlc, "save-config" ) )
- {
- vlc_object_detach( p_help_module );
- config_LoadConfigFile( p_vlc, NULL );
- config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_TRUE );
- config_SaveConfigFile( p_vlc, NULL );
- vlc_object_attach( p_help_module, libvlc.p_module_bank );
- }
- /* Hack: remove the help module here */
- vlc_object_detach( p_help_module );
- /* End hack */
- if( b_exit )
- {
- config_Free( p_help_module );
- vlc_object_destroy( p_help_module );
- module_EndBank( p_vlc );
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_EEXIT;
- }
- /*
- * Init device values
- */
- InitDeviceValues( p_vlc );
- /*
- * Override default configuration with config file settings
- */
- config_LoadConfigFile( p_vlc, NULL );
- /* Hack: insert the help module here */
- vlc_object_attach( p_help_module, libvlc.p_module_bank );
- /* End hack */
- /*
- * Override configuration with command line settings
- */
- if( config_LoadCmdLine( p_vlc, &i_argc, ppsz_argv, VLC_FALSE ) )
- {
- #ifdef WIN32
- ShowConsole();
- /* Pause the console because it's destroyed when we exit */
- fprintf( stderr, "The command line options couldn't be loaded, check "
- "that they are valid.n" );
- PauseConsole();
- #endif
- vlc_object_detach( p_help_module );
- config_Free( p_help_module );
- vlc_object_destroy( p_help_module );
- module_EndBank( p_vlc );
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_EGENERIC;
- }
- /* Hack: remove the help module here */
- vlc_object_detach( p_help_module );
- config_Free( p_help_module );
- vlc_object_destroy( p_help_module );
- /* End hack */
- /*
- * System specific configuration
- */
- system_Configure( p_vlc, &i_argc, ppsz_argv );
- /*
- * Message queue options
- */
- var_Create( p_vlc, "verbose", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- if( config_GetInt( p_vlc, "quiet" ) )
- {
- vlc_value_t val;
- val.i_int = -1;
- var_Set( p_vlc, "verbose", val );
- }
- var_AddCallback( p_vlc, "verbose", VerboseCallback, NULL );
- var_Change( p_vlc, "verbose", VLC_VAR_TRIGGER_CALLBACKS, NULL, NULL );
- libvlc.b_color = libvlc.b_color && config_GetInt( p_vlc, "color" );
- /*
- * Output messages that may still be in the queue
- */
- msg_Flush( p_vlc );
- /* p_vlc initialization. FIXME ? */
- #if defined( __i386__ )
- if( !config_GetInt( p_vlc, "mmx" ) )
- libvlc.i_cpu &= ~CPU_CAPABILITY_MMX;
- if( !config_GetInt( p_vlc, "3dn" ) )
- libvlc.i_cpu &= ~CPU_CAPABILITY_3DNOW;
- if( !config_GetInt( p_vlc, "mmxext" ) )
- libvlc.i_cpu &= ~CPU_CAPABILITY_MMXEXT;
- if( !config_GetInt( p_vlc, "sse" ) )
- libvlc.i_cpu &= ~CPU_CAPABILITY_SSE;
- if( !config_GetInt( p_vlc, "sse2" ) )
- libvlc.i_cpu &= ~CPU_CAPABILITY_SSE2;
- #endif
- #if defined( __powerpc__ ) || defined( SYS_DARWIN )
- if( !config_GetInt( p_vlc, "altivec" ) )
- libvlc.i_cpu &= ~CPU_CAPABILITY_ALTIVEC;
- #endif
- #define PRINT_CAPABILITY( capability, string )
- if( libvlc.i_cpu & capability )
- {
- strncat( p_capabilities, string " ",
- sizeof(p_capabilities) - strlen(p_capabilities) );
- p_capabilities[sizeof(p_capabilities) - 1] = ' ';
- }
- p_capabilities[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_SSE2, "SSE2" );
- PRINT_CAPABILITY( CPU_CAPABILITY_ALTIVEC, "AltiVec" );
- PRINT_CAPABILITY( CPU_CAPABILITY_FPU, "FPU" );
- msg_Dbg( p_vlc, "CPU has capabilities %s", p_capabilities );
- /*
- * Choose the best memcpy module
- */
- p_vlc->p_memcpy_module = module_Need( p_vlc, "memcpy", "$memcpy", 0 );
- if( p_vlc->pf_memcpy == NULL )
- {
- p_vlc->pf_memcpy = memcpy;
- }
- if( p_vlc->pf_memset == NULL )
- {
- p_vlc->pf_memset = memset;
- }
- /*
- * Initialize hotkey handling
- */
- var_Create( p_vlc, "key-pressed", VLC_VAR_INTEGER );
- p_vlc->p_hotkeys = malloc( sizeof(p_hotkeys) );
- /* Do a copy (we don't need to modify the strings) */
- memcpy( p_vlc->p_hotkeys, p_hotkeys, sizeof(p_hotkeys) );
- /*
- * Initialize playlist and get commandline files
- */
- p_playlist = playlist_Create( p_vlc );
- if( !p_playlist )
- {
- msg_Err( p_vlc, "playlist initialization failed" );
- if( p_vlc->p_memcpy_module != NULL )
- {
- module_Unneed( p_vlc, p_vlc->p_memcpy_module );
- }
- module_EndBank( p_vlc );
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_EGENERIC;
- }
- /*
- * Load background interfaces
- */
- psz_modules = config_GetPsz( p_vlc, "extraintf" );
- psz_parser = psz_modules;
- while ( psz_parser && *psz_parser )
- {
- char *psz_module, *psz_temp;
- psz_module = psz_parser;
- psz_parser = strchr( psz_module, ',' );
- if ( psz_parser )
- {
- *psz_parser = ' ';
- psz_parser++;
- }
- psz_temp = (char *)malloc( strlen(psz_module) + sizeof(",none") );
- if( psz_temp )
- {
- sprintf( psz_temp, "%s,none", psz_module );
- VLC_AddIntf( 0, psz_temp, VLC_FALSE, VLC_FALSE );
- free( psz_temp );
- }
- }
- if ( psz_modules )
- {
- free( psz_modules );
- }
- /*
- * Allways load the hotkeys interface if it exists
- */
- VLC_AddIntf( 0, "hotkeys,none", VLC_FALSE, VLC_FALSE );
- /*
- * FIXME: kludge to use a p_vlc-local variable for the Mozilla plugin
- */
- var_Create( p_vlc, "drawable", VLC_VAR_INTEGER );
- var_Create( p_vlc, "drawableredraw", VLC_VAR_INTEGER );
- var_Create( p_vlc, "drawablet", VLC_VAR_INTEGER );
- var_Create( p_vlc, "drawablel", VLC_VAR_INTEGER );
- var_Create( p_vlc, "drawableb", VLC_VAR_INTEGER );
- var_Create( p_vlc, "drawabler", VLC_VAR_INTEGER );
- var_Create( p_vlc, "drawablex", VLC_VAR_INTEGER );
- var_Create( p_vlc, "drawabley", VLC_VAR_INTEGER );
- var_Create( p_vlc, "drawablew", VLC_VAR_INTEGER );
- var_Create( p_vlc, "drawableh", VLC_VAR_INTEGER );
- var_Create( p_vlc, "drawableportx", VLC_VAR_INTEGER );
- var_Create( p_vlc, "drawableporty", VLC_VAR_INTEGER );
- /*
- * Get input filenames given as commandline arguments
- */
- GetFilenames( p_vlc, i_argc, ppsz_argv );
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * VLC_AddIntf: add an interface
- *****************************************************************************
- * This function opens an interface plugin and runs it. If b_block is set
- * to 0, VLC_AddIntf will return immediately and let the interface run in a
- * separate thread. If b_block is set to 1, VLC_AddIntf will continue until
- * user requests to quit. If b_play is set to 1, VLC_AddIntf will start playing
- * the playlist when it is completely initialised.
- *****************************************************************************/
- int VLC_AddIntf( int i_object, char const *psz_module,
- vlc_bool_t b_block, vlc_bool_t b_play )
- {
- int i_err;
- intf_thread_t *p_intf;
- vlc_t *p_vlc = vlc_current_object( i_object );
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- #ifndef WIN32
- if( p_vlc->p_libvlc->b_daemon && b_block && !psz_module )
- {
- /* Daemon mode hack.
- * We prefer the dummy interface if none is specified. */
- char *psz_interface = config_GetPsz( p_vlc, "intf" );
- if( !psz_interface || !*psz_interface ) psz_module = "dummy";
- if( psz_interface ) free( psz_interface );
- }
- #endif
- /* Try to create the interface */
- p_intf = intf_Create( p_vlc, psz_module ? psz_module : "$intf" );
- if( p_intf == NULL )
- {
- msg_Err( p_vlc, "interface "%s" initialization failed", psz_module );
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_EGENERIC;
- }
- /* Interface doesn't handle play on start so do it ourselves */
- if( !p_intf->b_play && b_play ) VLC_Play( i_object );
- /* Try to run the interface */
- p_intf->b_play = b_play;
- p_intf->b_block = b_block;
- i_err = intf_RunThread( p_intf );
- if( i_err )
- {
- vlc_object_detach( p_intf );
- intf_Destroy( p_intf );
- if( i_object ) vlc_object_release( p_vlc );
- return i_err;
- }
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * VLC_Die: ask vlc to die.
- *****************************************************************************
- * This function sets p_vlc->b_die to VLC_TRUE, but does not do any other
- * task. It is your duty to call VLC_CleanUp and VLC_Destroy afterwards.
- *****************************************************************************/
- int VLC_Die( int i_object )
- {
- vlc_t *p_vlc = vlc_current_object( i_object );
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- p_vlc->b_die = VLC_TRUE;
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * VLC_CleanUp: CleanUp all the intf, playlist, vout, aout
- *****************************************************************************/
- int VLC_CleanUp( int i_object )
- {
- intf_thread_t * p_intf;
- playlist_t * p_playlist;
- vout_thread_t * p_vout;
- aout_instance_t * p_aout;
- announce_handler_t * p_announce;
- vlc_t *p_vlc = vlc_current_object( i_object );
- /* Check that the handle is valid */
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- /*
- * Ask the interfaces to stop and destroy them
- */
- msg_Dbg( p_vlc, "removing all interfaces" );
- while( (p_intf = vlc_object_find( p_vlc, VLC_OBJECT_INTF, FIND_CHILD )) )
- {
- intf_StopThread( p_intf );
- vlc_object_detach( p_intf );
- vlc_object_release( p_intf );
- intf_Destroy( p_intf );
- }
- /*
- * Free playlists
- */
- msg_Dbg( p_vlc, "removing all playlists" );
- while( (p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST,
- FIND_CHILD )) )
- {
- vlc_object_detach( p_playlist );
- vlc_object_release( p_playlist );
- playlist_Destroy( p_playlist );
- }
- /*
- * Free video outputs
- */
- msg_Dbg( p_vlc, "removing all video outputs" );
- while( (p_vout = vlc_object_find( p_vlc, VLC_OBJECT_VOUT, FIND_CHILD )) )
- {
- vlc_object_detach( p_vout );
- vlc_object_release( p_vout );
- vout_Destroy( p_vout );
- }
- /*
- * Free audio outputs
- */
- msg_Dbg( p_vlc, "removing all audio outputs" );
- while( (p_aout = vlc_object_find( p_vlc, VLC_OBJECT_AOUT, FIND_CHILD )) )
- {
- vlc_object_detach( (vlc_object_t *)p_aout );
- vlc_object_release( (vlc_object_t *)p_aout );
- aout_Delete( p_aout );
- }
- /*
- * Free announce handler(s?)
- */
- msg_Dbg( p_vlc, "removing announce handler" );
- while( (p_announce = vlc_object_find( p_vlc, VLC_OBJECT_ANNOUNCE,
- FIND_CHILD ) ) )
- {
- vlc_object_detach( p_announce );
- vlc_object_release( p_announce );
- announce_HandlerDestroy( p_announce );
- }
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * VLC_Destroy: Destroy everything.
- *****************************************************************************
- * This function requests the running threads to finish, waits for their
- * termination, and destroys their structure.
- *****************************************************************************/
- int VLC_Destroy( int i_object )
- {
- vlc_t *p_vlc = vlc_current_object( i_object );
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- /*
- * Free allocated memory
- */
- if( p_vlc->p_memcpy_module )
- {
- module_Unneed( p_vlc, p_vlc->p_memcpy_module );
- p_vlc->p_memcpy_module = NULL;
- }
- /*
- * Free module bank !
- */
- module_EndBank( p_vlc );
- if( p_vlc->psz_homedir )
- {
- free( p_vlc->psz_homedir );
- p_vlc->psz_homedir = NULL;
- }
- if( p_vlc->psz_configfile )
- {
- free( p_vlc->psz_configfile );
- p_vlc->psz_configfile = NULL;
- }
- if( p_vlc->p_hotkeys )
- {
- free( p_vlc->p_hotkeys );
- p_vlc->p_hotkeys = NULL;
- }
- /*
- * System specific cleaning code
- */
- system_End( p_vlc );
- /* Destroy mutexes */
- vlc_mutex_destroy( &p_vlc->config_lock );
- vlc_object_detach( p_vlc );
- /* Release object before destroying it */
- if( i_object ) vlc_object_release( p_vlc );
- vlc_object_destroy( p_vlc );
- /* Stop thread system: last one out please shut the door! */
- vlc_threads_end( p_libvlc );
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * VLC_VariableSet: set a vlc variable
- *****************************************************************************/
- int VLC_VariableSet( int i_object, char const *psz_var, vlc_value_t value )
- {
- vlc_t *p_vlc = vlc_current_object( i_object );
- int i_ret;
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- /* FIXME: Temporary hack for Mozilla, if variable starts with conf:: then
- * we handle it as a configuration variable. Don't tell Gildas :) -- sam */
- if( !strncmp( psz_var, "conf::", 6 ) )
- {
- module_config_t *p_item;
- char const *psz_newvar = psz_var + 6;
- p_item = config_FindConfig( VLC_OBJECT(p_vlc), psz_newvar );
- if( p_item )
- {
- switch( p_item->i_type )
- {
- case CONFIG_ITEM_BOOL:
- config_PutInt( p_vlc, psz_newvar, value.b_bool );
- break;
- case CONFIG_ITEM_INTEGER:
- config_PutInt( p_vlc, psz_newvar, value.i_int );
- break;
- case CONFIG_ITEM_FLOAT:
- config_PutFloat( p_vlc, psz_newvar, value.f_float );
- break;
- default:
- config_PutPsz( p_vlc, psz_newvar, value.psz_string );
- break;
- }
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_SUCCESS;
- }
- }
- i_ret = var_Set( p_vlc, psz_var, value );
- if( i_object ) vlc_object_release( p_vlc );
- return i_ret;
- }
- /*****************************************************************************
- * VLC_VariableGet: get a vlc variable
- *****************************************************************************/
- int VLC_VariableGet( int i_object, char const *psz_var, vlc_value_t *p_value )
- {
- vlc_t *p_vlc = vlc_current_object( i_object );
- int i_ret;
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- i_ret = var_Get( p_vlc , psz_var, p_value );
- if( i_object ) vlc_object_release( p_vlc );
- return i_ret;
- }
- /*****************************************************************************
- * VLC_AddTarget: adds a target for playing.
- *****************************************************************************
- * This function adds psz_target to the current playlist. If a playlist does
- * not exist, it will create one.
- *****************************************************************************/
- int VLC_AddTarget( int i_object, char const *psz_target,
- char const **ppsz_options, int i_options,
- int i_mode, int i_pos )
- {
- int i_err;
- playlist_t *p_playlist;
- vlc_t *p_vlc = vlc_current_object( i_object );
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
- if( p_playlist == NULL )
- {
- msg_Dbg( p_vlc, "no playlist present, creating one" );
- p_playlist = playlist_Create( p_vlc );
- if( p_playlist == NULL )
- {
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_EGENERIC;
- }
- vlc_object_yield( p_playlist );
- }
- i_err = playlist_AddExt( p_playlist, psz_target, psz_target,
- i_mode, i_pos, -1, ppsz_options, i_options);
- vlc_object_release( p_playlist );
- if( i_object ) vlc_object_release( p_vlc );
- return i_err;
- }
- /*****************************************************************************
- * VLC_Play: play
- *****************************************************************************/
- int VLC_Play( int i_object )
- {
- playlist_t * p_playlist;
- vlc_t *p_vlc = vlc_current_object( i_object );
- /* Check that the handle is valid */
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST, FIND_CHILD );
- if( !p_playlist )
- {
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_ENOOBJ;
- }
- playlist_Play( p_playlist );
- vlc_object_release( p_playlist );
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * VLC_Pause: toggle pause
- *****************************************************************************/
- int VLC_Pause( int i_object )
- {
- playlist_t * p_playlist;
- vlc_t *p_vlc = vlc_current_object( i_object );
- /* Check that the handle is valid */
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST, FIND_CHILD );
- if( !p_playlist )
- {
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_ENOOBJ;
- }
- playlist_Pause( p_playlist );
- vlc_object_release( p_playlist );
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * VLC_Pause: toggle pause
- *****************************************************************************/
- int VLC_Stop( int i_object )
- {
- playlist_t * p_playlist;
- vlc_t *p_vlc = vlc_current_object( i_object );
- /* Check that the handle is valid */
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST, FIND_CHILD );
- if( !p_playlist )
- {
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_ENOOBJ;
- }
- playlist_Stop( p_playlist );
- vlc_object_release( p_playlist );
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * VLC_IsPlaying: Query for Playlist Status
- *****************************************************************************/
- vlc_bool_t VLC_IsPlaying( int i_object )
- {
- playlist_t * p_playlist;
- vlc_bool_t b_playing;
- vlc_t *p_vlc = vlc_current_object( i_object );
- /* Check that the handle is valid */
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST, FIND_CHILD );
- if( !p_playlist )
- {
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_ENOOBJ;
- }
- b_playing = playlist_IsPlaying( p_playlist );
- vlc_object_release( p_playlist );
- if( i_object ) vlc_object_release( p_vlc );
- return b_playing;
- }
- /**
- * Get the current position in a input
- *
- * Return the current position as a float
- * note For some inputs, this will be unknown.
- *
- * param i_object a vlc object id
- * return a float in the range of 0.0 - 1.0
- */
- float VLC_PositionGet( int i_object )
- {
- input_thread_t *p_input;
- vlc_value_t val;
- vlc_t *p_vlc = vlc_current_object( i_object );
- /* Check that the handle is valid */
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- p_input = vlc_object_find( p_vlc, VLC_OBJECT_INPUT, FIND_CHILD );
- if( !p_input )
- {
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_ENOOBJ;
- }
- var_Get( p_input, "position", &val );
- vlc_object_release( p_input );
- if( i_object ) vlc_object_release( p_vlc );
- return val.f_float;
- }
- /**
- * Set the current position in a input
- *
- * Set the current position in a input and then return
- * the current position as a float.
- * note For some inputs, this will be unknown.
- *
- * param i_object a vlc object id
- * param i_position a float in the range of 0.0 - 1.0
- * return a float in the range of 0.0 - 1.0
- */
- float VLC_PositionSet( int i_object, float i_position )
- {
- input_thread_t *p_input;
- vlc_value_t val;
- vlc_t *p_vlc = vlc_current_object( i_object );
- /* Check that the handle is valid */
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- p_input = vlc_object_find( p_vlc, VLC_OBJECT_INPUT, FIND_CHILD );
- if( !p_input )
- {
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_ENOOBJ;
- }
- val.f_float = i_position;
- var_Set( p_input, "position", val );
- var_Get( p_input, "position", &val );
- vlc_object_release( p_input );
- if( i_object ) vlc_object_release( p_vlc );
- return val.f_float;
- }
- /**
- * Get the current position in a input
- *
- * Return the current position in seconds from the start.
- * note For some inputs, this will be unknown.
- *
- * param i_object a vlc object id
- * return the offset from 0:00 in seconds
- */
- int VLC_TimeGet( int i_object )
- {
- input_thread_t *p_input;
- vlc_value_t val;
- vlc_t *p_vlc = vlc_current_object( i_object );
- /* Check that the handle is valid */
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- p_input = vlc_object_find( p_vlc, VLC_OBJECT_INPUT, FIND_CHILD );
- if( !p_input )
- {
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_ENOOBJ;
- }
- var_Get( p_input, "time", &val );
- vlc_object_release( p_input );
- if( i_object ) vlc_object_release( p_vlc );
- return val.i_time / 1000000;
- }
- /**
- * Seek to a position in the current input
- *
- * Seek i_seconds in the current input. If b_relative is set,
- * then the seek will be relative to the current position, otherwise
- * it will seek to i_seconds from the beginning of the input.
- * note For some inputs, this will be unknown.
- *
- * param i_object a vlc object id
- * param i_seconds seconds from current position or from beginning of input
- * param b_relative seek relative from current position
- * return VLC_SUCCESS on success
- */
- int VLC_TimeSet( int i_object, int i_seconds, vlc_bool_t b_relative )
- {
- input_thread_t *p_input;
- vlc_value_t val;
- vlc_t *p_vlc = vlc_current_object( i_object );
- /* Check that the handle is valid */
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- p_input = vlc_object_find( p_vlc, VLC_OBJECT_INPUT, FIND_CHILD );
- if( !p_input )
- {
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_ENOOBJ;
- }
- if( b_relative )
- {
- val.i_time = i_seconds * 1000000;
- var_Set( p_input, "time-offset", val );
- }
- else
- {
- val.i_time = i_seconds * 1000000;
- var_Set( p_input, "time", val );
- }
- vlc_object_release( p_input );
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_SUCCESS;
- }
- /**
- * Get the total length of a input
- *
- * Return the total length in seconds from the current input.
- * note For some inputs, this will be unknown.
- *
- * param i_object a vlc object id
- * return the length in seconds
- */
- int VLC_LengthGet( int i_object )
- {
- input_thread_t *p_input;
- vlc_value_t val;
- vlc_t *p_vlc = vlc_current_object( i_object );
- /* Check that the handle is valid */
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- p_input = vlc_object_find( p_vlc, VLC_OBJECT_INPUT, FIND_CHILD );
- if( !p_input )
- {
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_ENOOBJ;
- }
- var_Get( p_input, "length", &val );
- vlc_object_release( p_input );
- if( i_object ) vlc_object_release( p_vlc );
- return val.i_time / 1000000;
- }
- /**
- * Play the input faster than realtime
- *
- * 2x, 4x, 8x faster than realtime
- * note For some inputs, this will be impossible.
- *
- * param i_object a vlc object id
- * return the current speedrate
- */
- float VLC_SpeedFaster( int i_object )
- {
- input_thread_t *p_input;
- vlc_value_t val;
- vlc_t *p_vlc = vlc_current_object( i_object );
- /* Check that the handle is valid */
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- p_input = vlc_object_find( p_vlc, VLC_OBJECT_INPUT, FIND_CHILD );
- if( !p_input )
- {
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_ENOOBJ;
- }
- val.b_bool = VLC_TRUE;
- var_Set( p_input, "rate-faster", val );
- var_Get( p_input, "rate", &val );
- vlc_object_release( p_input );
- if( i_object ) vlc_object_release( p_vlc );
- return val.f_float / INPUT_RATE_DEFAULT;
- }
- /**
- * Play the input slower than realtime
- *
- * 1/2x, 1/4x, 1/8x slower than realtime
- * note For some inputs, this will be impossible.
- *
- * param i_object a vlc object id
- * return the current speedrate
- */
- float VLC_SpeedSlower( int i_object )
- {
- input_thread_t *p_input;
- vlc_value_t val;
- vlc_t *p_vlc = vlc_current_object( i_object );
- /* Check that the handle is valid */
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- p_input = vlc_object_find( p_vlc, VLC_OBJECT_INPUT, FIND_CHILD );
- if( !p_input )
- {
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_ENOOBJ;
- }
- val.b_bool = VLC_TRUE;
- var_Set( p_input, "rate-slower", val );
- var_Get( p_input, "rate", &val );
- vlc_object_release( p_input );
- if( i_object ) vlc_object_release( p_vlc );
- return val.f_float / INPUT_RATE_DEFAULT;
- }
- /**
- * Return the current playlist item
- *
- * Returns the index of the playlistitem that is currently selected for play.
- * This is valid even if nothing is currently playing.
- *
- * param i_object a vlc object id
- * return the current index
- */
- int VLC_PlaylistIndex( int i_object )
- {
- int i_index;
- playlist_t * p_playlist;
- vlc_t *p_vlc = vlc_current_object( i_object );
- /* Check that the handle is valid */
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST, FIND_CHILD );
- if( !p_playlist )
- {
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_ENOOBJ;
- }
- i_index = p_playlist->i_index;
- vlc_object_release( p_playlist );
- if( i_object ) vlc_object_release( p_vlc );
- return i_index;
- }
- /**
- * Total amount of items in the playlist
- *
- * param i_object a vlc object id
- * return amount of playlist items
- */
- int VLC_PlaylistNumberOfItems( int i_object )
- {
- int i_size;
- playlist_t * p_playlist;
- vlc_t *p_vlc = vlc_current_object( i_object );
- /* Check that the handle is valid */
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST, FIND_CHILD );
- if( !p_playlist )
- {
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_ENOOBJ;
- }
- i_size = p_playlist->i_size;
- vlc_object_release( p_playlist );
- if( i_object ) vlc_object_release( p_vlc );
- return i_size;
- }
- /**
- * Next playlist item
- *
- * Skip to the next playlistitem and play it.
- *
- * param i_object a vlc object id
- * return VLC_SUCCESS on success
- */
- int VLC_PlaylistNext( int i_object )
- {
- playlist_t * p_playlist;
- vlc_t *p_vlc = vlc_current_object( i_object );
- /* Check that the handle is valid */
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST, FIND_CHILD );
- if( !p_playlist )
- {
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_ENOOBJ;
- }
- playlist_Next( p_playlist );
- vlc_object_release( p_playlist );
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_SUCCESS;
- }
- /**
- * Previous playlist item
- *
- * Skip to the previous playlistitem and play it.
- *
- * param i_object a vlc object id
- * return VLC_SUCCESS on success
- */
- int VLC_PlaylistPrev( int i_object )
- {
- playlist_t * p_playlist;
- vlc_t *p_vlc = vlc_current_object( i_object );
- /* Check that the handle is valid */
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST, FIND_CHILD );
- if( !p_playlist )
- {
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_ENOOBJ;
- }
- playlist_Prev( p_playlist );
- vlc_object_release( p_playlist );
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * VLC_PlaylistClear: Empty the playlist
- *****************************************************************************/
- int VLC_PlaylistClear( int i_object )
- {
- int i_err;
- playlist_t * p_playlist;
- vlc_t *p_vlc = vlc_current_object( i_object );
- /* Check that the handle is valid */
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST, FIND_CHILD );
- if( !p_playlist )
- {
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_ENOOBJ;
- }
- i_err = playlist_Clear( p_playlist );
- vlc_object_release( p_playlist );
- if( i_object ) vlc_object_release( p_vlc );
- return i_err;
- }
- /**
- * Change the volume
- *
- * param i_object a vlc object id
- * param i_volume something in a range from 0-200
- * return the new volume (range 0-200 %)
- */
- int VLC_VolumeSet( int i_object, int i_volume )
- {
- audio_volume_t i_vol = 0;
- vlc_t *p_vlc = vlc_current_object( i_object );
- /* Check that the handle is valid */
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- if( i_volume >= 0 && i_volume <= 200 )
- {
- i_vol = i_volume * AOUT_VOLUME_MAX / 200;
- aout_VolumeSet( p_vlc, i_vol );
- }
- if( i_object ) vlc_object_release( p_vlc );
- return i_vol * 200 / AOUT_VOLUME_MAX;
- }
- /**
- * Get the current volume
- *
- * Retrieve the current volume.
- *
- * param i_object a vlc object id
- * return the current volume (range 0-200 %)
- */
- int VLC_VolumeGet( int i_object )
- {
- audio_volume_t i_volume;
- vlc_t *p_vlc = vlc_current_object( i_object );
- /* Check that the handle is valid */
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- aout_VolumeGet( p_vlc, &i_volume );
- if( i_object ) vlc_object_release( p_vlc );
- return i_volume*200/AOUT_VOLUME_MAX;
- }
- /**
- * Mute/Unmute the volume
- *
- * param i_object a vlc object id
- * return VLC_SUCCESS on success
- */
- int VLC_VolumeMute( int i_object )
- {
- vlc_t *p_vlc = vlc_current_object( i_object );
- /* Check that the handle is valid */
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- aout_VolumeMute( p_vlc, NULL );
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * VLC_FullScreen: toggle fullscreen mode
- *****************************************************************************/
- int VLC_FullScreen( int i_object )
- {
- vout_thread_t *p_vout;
- vlc_t *p_vlc = vlc_current_object( i_object );
- if( !p_vlc )
- {
- return VLC_ENOOBJ;
- }
- p_vout = vlc_object_find( p_vlc, VLC_OBJECT_VOUT, FIND_CHILD );
- if( !p_vout )
- {
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_ENOOBJ;
- }
- p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
- vlc_object_release( p_vout );
- if( i_object ) vlc_object_release( p_vlc );
- return VLC_SUCCESS;
- }
- /* following functions are local */
- /*****************************************************************************
- * SetLanguage: set the interface language.
- *****************************************************************************
- * We set the LC_MESSAGES locale category for interface messages and buttons,
- * as well as the LC_CTYPE category for string sorting and possible wide
- * character support.
- *****************************************************************************/
- static void SetLanguage ( char const *psz_lang )
- {
- #if defined( ENABLE_NLS )
- && ( defined( HAVE_GETTEXT ) || defined( HAVE_INCLUDED_GETTEXT ) )
- char * psz_path;
- #if defined( SYS_DARWIN ) || defined ( WIN32 ) || defined( SYS_BEOS )
- char psz_tmp[1024];
- #endif
- if( psz_lang && !*psz_lang )
- {
- # if defined( HAVE_LC_MESSAGES )
- setlocale( LC_MESSAGES, psz_lang );
- # endif
- setlocale( LC_CTYPE, psz_lang );
- }
- else if( psz_lang )
- {
- #ifdef SYS_DARWIN
- /* I need that under Darwin, please check it doesn't disturb
- * other platforms. --Meuuh */
- setenv( "LANG", psz_lang, 1 );
- #elif defined( SYS_BEOS ) || defined( WIN32 )
- /* We set LC_ALL manually because it is the only way to set
- * the language at runtime under eg. Windows. Beware that this
- * makes the environment unconsistent when libvlc is unloaded and
- * should probably be moved to a safer place like vlc.c. */
- static char psz_lcall[20];
- snprintf( psz_lcall, 19, "LC_ALL=%s", psz_lang );
- psz_lcall[19] = ' ';
- putenv( psz_lcall );
- #endif
- setlocale( LC_ALL, psz_lang );
- }
- /* Specify where to find the locales for current domain */
- #if !defined( SYS_DARWIN ) && !defined( WIN32 ) && !defined( SYS_BEOS )
- psz_path = LOCALEDIR;
- #else
- snprintf( psz_tmp, sizeof(psz_tmp), "%s/%s", libvlc.psz_vlcpath,
- "locale" );
- psz_path = psz_tmp;
- #endif
- if( !bindtextdomain( PACKAGE_NAME, psz_path ) )
- {
- fprintf( stderr, "warning: no domain %s in directory %sn",
- PACKAGE_NAME, psz_path );
- }
- /* Set the default domain */
- textdomain( PACKAGE_NAME );
- #if defined( ENABLE_UTF8 )
- bind_textdomain_codeset( PACKAGE_NAME, "UTF-8" );
- #endif
- #endif
- }
- /*****************************************************************************
- * GetFilenames: parse command line options which are not flags
- *****************************************************************************
- * Parse command line for input files as well as their associated options.
- * An option always follows its associated input and begins with a ":".
- *****************************************************************************/
- static int GetFilenames( vlc_t *p_vlc, int i_argc, char *ppsz_argv[] )
- {
- int i_opt, i_options;
- /* We assume that the remaining parameters are filenames
- * and their input options */
- for( i_opt = i_argc - 1; i_opt >= optind; i_opt-- )
- {
- i_options = 0;
- /* Count the input options */
- while( *ppsz_argv[ i_opt ] == ':' && i_opt > optind )
- {
- i_options++;
- i_opt--;
- }
- /* TODO: write an internal function of this one, to avoid
- * unnecessary lookups. */
- VLC_AddTarget( p_vlc->i_object_id, ppsz_argv[ i_opt ],
- (char const **)( i_options ? &ppsz_argv[i_opt + 1] :
- NULL ), i_options,
- PLAYLIST_INSERT, 0 );
- }
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * Usage: print program usage
- *****************************************************************************
- * Print a short inline help. Message interface is initialized at this stage.
- *****************************************************************************/
- static void Usage( vlc_t *p_this, char const *psz_module_name )
- {
- #define FORMAT_STRING " %s --%s%s%s%s%s%s%s "
- /* short option ------' | | | | | | |
- * option name ------------' | | | | | |
- * <bra -------------------------' | | | | |
- * option type or "" --------------' | | | |
- * ket> -----------------------------' | | |
- * padding spaces ---------------------' | |
- * comment -------------------------------' |
- * comment suffix --------------------------'
- *
- * The purpose of having bra and ket is that we might i18n them as well.
- */
- #define LINE_START 8
- #define PADDING_SPACES 25
- vlc_list_t *p_list;
- module_t *p_parser;
- module_config_t *p_item;
- char psz_spaces[PADDING_SPACES+LINE_START+1];
- char psz_format[sizeof(FORMAT_STRING)];
- char psz_buffer[1000];
- char psz_short[4];
- int i_index;
- int i_width = ConsoleWidth() - (PADDING_SPACES+LINE_START+1);
- vlc_bool_t b_advanced = config_GetInt( p_this, "advanced" );
- memset( psz_spaces, ' ', PADDING_SPACES+LINE_START );
- psz_spaces[PADDING_SPACES+LINE_START] = ' ';
- strcpy( psz_format, FORMAT_STRING );
- #ifdef WIN32
- ShowConsole();
- #endif
- /* List all modules */
- p_list = vlc_list_find( p_this, VLC_OBJECT_MODULE, FIND_ANYWHERE );
- /* Enumerate the config for each module */
- for( i_index = 0; i_index < p_list->i_count; i_index++ )
- {
- vlc_bool_t b_help_module;
- p_parser = (module_t *)p_list->p_values[i_index].p_object ;
- if( psz_module_name && strcmp( psz_module_name,
- p_parser->psz_object_name ) )
- {
- continue;
- }
- /* Ignore modules without config options */
- if( !p_parser->i_config_items )
- {
- continue;
- }
- /* Ignore modules with only advanced config options if requested */
- if( !b_advanced )
- {
- for( p_item = p_parser->p_config;
- p_item->i_type != CONFIG_HINT_END;
- p_item++ )
- {
- if( (p_item->i_type & CONFIG_ITEM) &&
- !p_item->b_advanced ) break;
- }
- if( p_item->i_type == CONFIG_HINT_END ) continue;
- }
- /* Print name of module */
- if( strcmp( "main", p_parser->psz_object_name ) )
- fprintf( stdout, "n %sn", p_parser->psz_longname );
- b_help_module = !strcmp( "help", p_parser->psz_object_name );
- /* Print module options */
- for( p_item = p_parser->p_config;
- p_item->i_type != CONFIG_HINT_END;
- p_item++ )
- {
- char *psz_text;
- char *psz_bra = NULL, *psz_type = NULL, *psz_ket = NULL;
- char *psz_suf = "", *psz_prefix = NULL;
- int i;
- /* Skip advanced options if requested */
- if( p_item->b_advanced && !b_advanced )
- {
- continue;
- }
- switch( p_item->i_type )
- {
- case CONFIG_HINT_CATEGORY:
- case CONFIG_HINT_USAGE:
- if( !strcmp( "main", p_parser->psz_object_name ) )
- fprintf( stdout, "n %sn", p_item->psz_text );
- break;
- case CONFIG_ITEM_STRING:
- case CONFIG_ITEM_FILE:
- case CONFIG_ITEM_DIRECTORY:
- case CONFIG_ITEM_MODULE: /* We could also have "=<" here */
- if( !p_item->ppsz_list )
- {
- psz_bra = " <"; psz_type = _("string"); psz_ket = ">";
- break;
- }
- else
- {
- psz_bra = " {";
- psz_type = psz_buffer;
- psz_type[0] = ' ';
- for( i = 0; p_item->ppsz_list[i]; i++ )
- {
- if( i ) strcat( psz_type, "," );
- strcat( psz_type, p_item->ppsz_list[i] );
- }
- psz_ket = "}";
- break;
- }
- case CONFIG_ITEM_INTEGER:
- case CONFIG_ITEM_KEY: /* FIXME: do something a bit more clever */
- psz_bra = " <"; psz_type = _("integer"); psz_ket = ">";
- break;
- case CONFIG_ITEM_FLOAT:
- psz_bra = " <"; psz_type = _("float"); psz_ket = ">";
- break;
- case CONFIG_ITEM_BOOL:
- psz_bra = ""; psz_type = ""; psz_ket = "";
- if( !b_help_module )
- {
- psz_suf = p_item->i_value ? _(" (default enabled)") :
- _(" (default disabled)");
- }
- break;
- }
- if( !psz_type )
- {
- continue;
- }
- /* Add short option if any */
- if( p_item->i_short )
- {
- sprintf( psz_short, "-%c,", p_item->i_short );
- }
- else
- {
- strcpy( psz_short, " " );
- }
- i = PADDING_SPACES - strlen( p_item->psz_name )
- - strlen( psz_bra ) - strlen( psz_type )
- - strlen( psz_ket ) - 1;
- if( p_item->i_type == CONFIG_ITEM_BOOL && !b_help_module )
- {
- /* If option is of type --foo-bar, we print its counterpart
- * as --no-foo-bar, but if it is of type --foobar (without
- * dashes in the name) we print it as --nofoobar. Both
- * values are of course valid, only the display changes. */
- psz_prefix = strchr( p_item->psz_name, '-' ) ? ", --no-"
- : ", --no";
- i -= strlen( p_item->psz_name ) + strlen( psz_prefix );
- }
- if( i < 0 )
- {
- psz_spaces[0] = 'n';
- i = 0;
- }
- else
- {
- psz_spaces[i] = ' ';
- }
- if( p_item->i_type == CONFIG_ITEM_BOOL && !b_help_module )
- {
- fprintf( stdout, psz_format, psz_short, p_item->psz_name,
- psz_prefix, p_item->psz_name, psz_bra, psz_type,
- psz_ket, psz_spaces );
- }
- else
- {
- fprintf( stdout, psz_format, psz_short, p_item->psz_name,
- "", "", psz_bra, psz_type, psz_ket, psz_spaces );
- }
- psz_spaces[i] = ' ';
- /* We wrap the rest of the output */
- sprintf( psz_buffer, "%s%s", p_item->psz_text, psz_suf );
- psz_text = psz_buffer;
- while( *psz_text )
- {
- char *psz_parser, *psz_word;
- int i_end = strlen( psz_text );
- /* If the remaining text fits in a line, print it. */
- if( i_end <= i_width )
- {
- fprintf( stdout, "%sn", psz_text );
- break;
- }
- /* Otherwise, eat as many words as possible */
- psz_parser = psz_text;
- do
- {
- psz_word = psz_parser;
- psz_parser = strchr( psz_word, ' ' );
- /* If no space was found, we reached the end of the text
- * block; otherwise, we skip the space we just found. */
- psz_parser = psz_parser ? psz_parser + 1
- : psz_text + i_end;
- } while( psz_parser - psz_text <= i_width );
- /* We cut a word in one of these cases:
- * - it's the only word in the line and it's too long.
- * - we used less than 80% of the width and the word we are
- * going to wrap is longer than 40% of the width, and even
- * if the word would have fit in the next line. */
- if( psz_word == psz_text
- || ( psz_word - psz_text < 80 * i_width / 100
- && psz_parser - psz_word > 40 * i_width / 100 ) )
- {
- char c = psz_text[i_width];
- psz_text[i_width] = ' ';
- fprintf( stdout, "%sn%s", psz_text, psz_spaces );
- psz_text += i_width;
- psz_text[0] = c;
- }
- else
- {
- psz_word[-1] = ' ';
- fprintf( stdout, "%sn%s", psz_text, psz_spaces );
- psz_text = psz_word;
- }
- }
- }
- }
- /* Release the module list */
- vlc_list_release( p_list );
- #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
- PauseConsole();
- #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( vlc_t *p_this )
- {
- vlc_list_t *p_list;
- module_t *p_parser;
- char psz_spaces[22];
- int i_index;
- memset( psz_spaces, ' ', 22 );
- #ifdef WIN32
- ShowConsole();
- #endif
- /* Usage */
- fprintf( stdout, _("Usage: %s [options] [items]...nn"),
- p_this->p_vlc->psz_object_name );
- fprintf( stdout, _("[module] [description]n") );
- /* List all modules */
- p_list = vlc_list_find( p_this, VLC_OBJECT_MODULE, FIND_ANYWHERE );
- /* Enumerate each module */
- for( i_index = 0; i_index < p_list->i_count; i_index++ )
- {
- int i;
- p_parser = (module_t *)p_list->p_values[i_index].p_object ;
- /* Nasty hack, but right now I'm too tired to think about a nice
- * solution */
- i = 22 - strlen( p_parser->psz_object_name ) - 1;
- if( i < 0 ) i = 0;
- psz_spaces[i] = 0;
- fprintf( stdout, " %s%s %sn", p_parser->psz_object_name,
- psz_spaces, p_parser->psz_longname );
- psz_spaces[i] = ' ';
- }
- vlc_list_release( p_list );
- #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
- PauseConsole();
- #endif
- }
- /*****************************************************************************
- * Version: print complete program version
- *****************************************************************************
- * Print complete program version and build number.
- *****************************************************************************/
- static void Version( void )
- {
- #ifdef WIN32
- ShowConsole();
- #endif
- fprintf( stdout, VERSION_MESSAGE "n" );
- fprintf( stdout,
- _("This program comes with NO WARRANTY, to the extent permitted by "
- "law.nYou may redistribute it under the terms of the GNU General "
- "Public License;nsee the file named COPYING for details.n"
- "Written by the VideoLAN team; see the AUTHORS file.n") );
- #ifdef WIN32 /* Pause the console because it's destroyed when we exit */
- PauseConsole();
- #endif
- }
- /*****************************************************************************
- * ShowConsole: On Win32, create an output console for debug messages
- *****************************************************************************
- * This function is useful only on Win32.
- *****************************************************************************/
- #ifdef WIN32 /* */
- static void ShowConsole( void )
- {
- # ifndef UNDER_CE
- if( getenv( "PWD" ) && getenv( "PS1" ) ) return; /* cygwin shell */
- AllocConsole();
- freopen( "CONOUT$", "w", stdout );
- freopen( "CONOUT$", "w", stderr );
- freopen( "CONIN$", "r", stdin );
- # endif
- }
- #endif
- /*****************************************************************************
- * PauseConsole: On Win32, wait for a key press before closing the console
- *****************************************************************************
- * This function is useful only on Win32.
- *****************************************************************************/
- #ifdef WIN32 /* */
- static void PauseConsole( void )
- {
- # ifndef UNDER_CE
- if( getenv( "PWD" ) && getenv( "PS1" ) ) return; /* cygwin shell */
- fprintf( stdout, _("nPress the RETURN key to continue...n") );
- getchar();
- # endif
- }
- #endif
- /*****************************************************************************
- * ConsoleWidth: Return the console width in characters
- *****************************************************************************
- * We use the stty shell command to get the console width; if this fails or
- * if the width is less than 80, we default to 80.
- *****************************************************************************/
- static int ConsoleWidth( void )
- {
- int i_width = 80;
- #ifndef WIN32
- char buf[20], *psz_parser;
- FILE *file;
- int i_ret;
- file = popen( "stty size 2>/dev/null", "r" );
- if( file )
- {
- i_ret = fread( buf, 1, 20, file );
- if( i_ret > 0 )
- {
- buf[19] = ' ';
- psz_parser = strchr( buf, ' ' );
- if( psz_parser )
- {
- i_ret = atoi( psz_parser + 1 );
- if( i_ret >= 80 )
- {
- i_width = i_ret;
- }
- }
- }
- pclose( file );
- }
- #endif
- return i_width;
- }
- static int VerboseCallback( vlc_object_t *p_this, const char *psz_variable,
- vlc_value_t old_val, vlc_value_t new_val, void *param)
- {
- vlc_t *p_vlc = (vlc_t *)p_this;
- if( new_val.i_int >= -1 )
- {
- p_vlc->p_libvlc->i_verbose = __MIN( new_val.i_int, 2 );
- }
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * InitDeviceValues: initialize device values
- *****************************************************************************
- * This function inits the dvd, vcd and cd-audio values
- *****************************************************************************/
- static void InitDeviceValues( vlc_t *p_vlc )
- {
- #ifdef HAVE_HAL
- LibHalContext * ctx;
- int i, i_devices;
- char **devices;
- char *block_dev;
- dbus_bool_t b_dvd;
- if( ( ctx = hal_initialize( NULL, FALSE ) ) )
- {
- if( ( devices = hal_get_all_devices( ctx, &i_devices ) ) )
- {
- for( i = 0; i < i_devices; i++ )
- {
- if( !hal_device_property_exists( ctx, devices[ i ],
- "storage.cdrom.dvd" ) )
- {
- continue;
- }
- b_dvd = hal_device_get_property_bool( ctx, devices[ i ],
- "storage.cdrom.dvd" );
- block_dev = hal_device_get_property_string( ctx, devices[ i ],
- "block.device" );
- if( b_dvd )
- {
- config_PutPsz( p_vlc, "dvd", block_dev );
- }
- config_PutPsz( p_vlc, "vcd", block_dev );
- config_PutPsz( p_vlc, "cd-audio", block_dev );
- hal_free_string( block_dev );
- }
- }
- hal_shutdown( ctx );
- }
- #endif
- }