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500 lines
20 KiB
500 lines
20 KiB
/*****************************************************************************
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* configuration.h : configuration management module
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* This file describes the programming interface for the configuration module.
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* It includes functions allowing to declare, get or set configuration options.
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*****************************************************************************
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* Copyright (C) 1999-2006 the VideoLAN team
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* $Id$
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*
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* Authors: Gildas Bazin <gbazin@videolan.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* 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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#if !defined( __LIBVLC__ )
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#error You are not libvlc or one of its plugins. You cannot include this file
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#endif
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#ifndef _VLC_CONFIGURATION_H
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#define _VLC_CONFIGURATION_H 1
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# ifdef __cplusplus
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extern "C" {
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# endif
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/*****************************************************************************
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* Macros used to build the configuration structure.
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*****************************************************************************/
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/* Configuration hint types */
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#define CONFIG_HINT_CATEGORY 0x0002 /* Start of new category */
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#define CONFIG_HINT_SUBCATEGORY 0x0003 /* Start of sub-category */
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#define CONFIG_HINT_SUBCATEGORY_END 0x0004 /* End of sub-category */
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#define CONFIG_HINT_USAGE 0x0005 /* Usage information */
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#define CONFIG_CATEGORY 0x0006 /* Set category */
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#define CONFIG_SUBCATEGORY 0x0007 /* Set subcategory */
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#define CONFIG_SECTION 0x0008 /* Start of new section */
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#define CONFIG_HINT 0x000F
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/* Configuration item types */
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#define CONFIG_ITEM_STRING 0x0010 /* String option */
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#define CONFIG_ITEM_FILE 0x0020 /* File option */
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#define CONFIG_ITEM_MODULE 0x0030 /* Module option */
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#define CONFIG_ITEM_INTEGER 0x0040 /* Integer option */
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#define CONFIG_ITEM_BOOL 0x0050 /* Bool option */
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#define CONFIG_ITEM_FLOAT 0x0060 /* Float option */
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#define CONFIG_ITEM_DIRECTORY 0x0070 /* Directory option */
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#define CONFIG_ITEM_KEY 0x0080 /* Hot key option */
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#define CONFIG_ITEM_MODULE_CAT 0x0090 /* Module option */
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#define CONFIG_ITEM_MODULE_LIST 0x00A0 /* Module option */
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#define CONFIG_ITEM_MODULE_LIST_CAT 0x00B0 /* Module option */
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#define CONFIG_ITEM_FONT 0x00C0 /* Font option */
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#define CONFIG_ITEM_PASSWORD 0x00D0 /* Password option (*) */
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#define CONFIG_ITEM 0x00F0
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/*******************************************************************
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* All predefined categories and subcategories
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*******************************************************************/
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#define CAT_INTERFACE 1
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#define SUBCAT_INTERFACE_GENERAL 101
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#define SUBCAT_INTERFACE_MAIN 102
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#define SUBCAT_INTERFACE_CONTROL 103
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#define SUBCAT_INTERFACE_HOTKEYS 104
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#define CAT_AUDIO 2
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#define SUBCAT_AUDIO_GENERAL 201
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#define SUBCAT_AUDIO_AOUT 202
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#define SUBCAT_AUDIO_AFILTER 203
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#define SUBCAT_AUDIO_VISUAL 204
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#define SUBCAT_AUDIO_MISC 205
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#define CAT_VIDEO 3
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#define SUBCAT_VIDEO_GENERAL 301
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#define SUBCAT_VIDEO_VOUT 302
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#define SUBCAT_VIDEO_VFILTER 303
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#define SUBCAT_VIDEO_TEXT 304
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#define SUBCAT_VIDEO_SUBPIC 305
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#define SUBCAT_VIDEO_VFILTER2 306
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#define CAT_INPUT 4
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#define SUBCAT_INPUT_GENERAL 401
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#define SUBCAT_INPUT_ACCESS 402
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#define SUBCAT_INPUT_ACCESS_FILTER 403
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#define SUBCAT_INPUT_DEMUX 404
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#define SUBCAT_INPUT_VCODEC 405
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#define SUBCAT_INPUT_ACODEC 406
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#define SUBCAT_INPUT_SCODEC 407
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#define CAT_SOUT 5
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#define SUBCAT_SOUT_GENERAL 501
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#define SUBCAT_SOUT_STREAM 502
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#define SUBCAT_SOUT_MUX 503
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#define SUBCAT_SOUT_ACO 504
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#define SUBCAT_SOUT_PACKETIZER 505
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#define SUBCAT_SOUT_SAP 506
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#define SUBCAT_SOUT_VOD 507
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#define CAT_ADVANCED 6
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#define SUBCAT_ADVANCED_CPU 601
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#define SUBCAT_ADVANCED_MISC 602
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#define SUBCAT_ADVANCED_NETWORK 603
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#define SUBCAT_ADVANCED_XML 604
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#define CAT_PLAYLIST 7
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#define SUBCAT_PLAYLIST_GENERAL 701
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#define SUBCAT_PLAYLIST_SD 702
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#define SUBCAT_PLAYLIST_EXPORT 703
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#define CAT_OSD 8
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#define SUBCAT_OSD_IMPORT 801
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struct config_category_t
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{
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int i_id;
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const char *psz_name;
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const char *psz_help;
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};
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typedef union
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{
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char *psz;
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int i;
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float f;
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} module_value_t;
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typedef union
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{
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int i;
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float f;
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} module_nvalue_t;
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struct module_config_t
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{
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int i_type; /* Configuration type */
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char *psz_type; /* Configuration subtype */
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char *psz_name; /* Option name */
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char i_short; /* Optional short option name */
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char *psz_text; /* Short comment on the configuration option */
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char *psz_longtext; /* Long comment on the configuration option */
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module_value_t value; /* Option value */
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module_value_t orig;
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module_value_t saved;
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module_nvalue_t min;
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module_nvalue_t max;
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/* Function to call when commiting a change */
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vlc_callback_t pf_callback;
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void *p_callback_data;
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/* Values list */
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char ** ppsz_list; /* List of possible values for the option */
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int *pi_list; /* Idem for integers */
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char **ppsz_list_text; /* Friendly names for list values */
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int i_list; /* Options list size */
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/* Actions list */
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vlc_callback_t *ppf_action; /* List of possible actions for a config */
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char **ppsz_action_text; /* Friendly names for actions */
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int i_action; /* actions list size */
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/* Misc */
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vlc_mutex_t *p_lock; /* Lock to use when modifying the config */
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vlc_bool_t b_dirty; /* Dirty flag to indicate a config change */
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vlc_bool_t b_advanced; /* Flag to indicate an advanced option */
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vlc_bool_t b_internal; /* Flag to indicate option is not to be shown */
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vlc_bool_t b_restart; /* Flag to indicate the option needs a restart */
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/* to take effect */
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/* Deprecated */
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char *psz_oldname; /* Old option name */
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vlc_bool_t b_removed;
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/* Option values loaded from config file */
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vlc_bool_t b_autosave; /* Config will be auto-saved at exit time */
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vlc_bool_t b_unsaveable; /* Config should be saved */
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vlc_bool_t b_safe;
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};
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/*****************************************************************************
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* Prototypes - these methods are used to get, set or manipulate configuration
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* data.
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*****************************************************************************/
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VLC_EXPORT( int, __config_GetType, (vlc_object_t *, const char *) );
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VLC_EXPORT( int, __config_GetInt, (vlc_object_t *, const char *) );
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VLC_EXPORT( void, __config_PutInt, (vlc_object_t *, const char *, int) );
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VLC_EXPORT( float, __config_GetFloat, (vlc_object_t *, const char *) );
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VLC_EXPORT( void, __config_PutFloat, (vlc_object_t *, const char *, float) );
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VLC_EXPORT( char *, __config_GetPsz, (vlc_object_t *, const char *) );
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VLC_EXPORT( void, __config_PutPsz, (vlc_object_t *, const char *, const char *) );
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#define config_SaveConfigFile(a,b) __config_SaveConfigFile(VLC_OBJECT(a),b)
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VLC_EXPORT( int, __config_SaveConfigFile, ( vlc_object_t *, const char * ) );
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#define config_ResetAll(a) __config_ResetAll(VLC_OBJECT(a))
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VLC_EXPORT( void, __config_ResetAll, ( vlc_object_t * ) );
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VLC_EXPORT( module_config_t *, config_FindConfig,( vlc_object_t *, const char * ) );
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VLC_EXPORT(const char *, config_GetDataDir, ( void ));
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VLC_EXPORT( void, __config_AddIntf, ( vlc_object_t *, const char * ) );
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VLC_EXPORT( void, __config_RemoveIntf, ( vlc_object_t *, const char * ) );
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VLC_EXPORT( vlc_bool_t, __config_ExistIntf, ( vlc_object_t *, const char * ) );
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#define config_GetType(a,b) __config_GetType(VLC_OBJECT(a),b)
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#define config_GetInt(a,b) __config_GetInt(VLC_OBJECT(a),b)
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#define config_PutInt(a,b,c) __config_PutInt(VLC_OBJECT(a),b,c)
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#define config_GetFloat(a,b) __config_GetFloat(VLC_OBJECT(a),b)
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#define config_PutFloat(a,b,c) __config_PutFloat(VLC_OBJECT(a),b,c)
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#define config_GetPsz(a,b) __config_GetPsz(VLC_OBJECT(a),b)
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#define config_PutPsz(a,b,c) __config_PutPsz(VLC_OBJECT(a),b,c)
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#define config_AddIntf(a,b) __config_AddIntf(VLC_OBJECT(a),b)
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#define config_RemoveIntf(a,b) __config_RemoveIntf(VLC_OBJECT(a),b)
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#define config_ExistIntf(a,b) __config_ExistIntf(VLC_OBJECT(a),b)
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enum vlc_config_properties
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{
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/* DO NOT EVER REMOVE, INSERT OR REPLACE ANY ITEM! It would break the ABI!
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* Append new items at the end ONLY. */
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VLC_CONFIG_NAME,
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/* command line name (args=const char *, vlc_callback_t) */
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VLC_CONFIG_DESC,
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/* description (args=const char *, const char *) */
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VLC_CONFIG_VALUE,
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/* actual value (args=int/double/const char *) */
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VLC_CONFIG_RANGE,
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/* minimum value (args=int/double/const char * twice) */
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VLC_CONFIG_ADVANCED,
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/* enable advanced flag (args=none) */
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VLC_CONFIG_VOLATILE,
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/* don't write variable to storage (args=none) */
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VLC_CONFIG_PERSISTENT,
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/* always write variable to storage (args=none) */
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VLC_CONFIG_RESTART,
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/* restart required to apply value change (args=none) */
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VLC_CONFIG_PRIVATE,
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/* hide from user (args=none) */
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VLC_CONFIG_REMOVED,
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/* tag as no longer supported (args=none) */
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VLC_CONFIG_CAPABILITY,
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/* capability for a module or list thereof (args=const char*) */
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VLC_CONFIG_SHORTCUT,
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/* one-character (short) command line option name (args=char) */
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VLC_CONFIG_LIST,
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/* possible values list
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* (args=size_t, const <type> *, const char *const *) */
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VLC_CONFIG_ADD_ACTION,
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/* add value change callback (args=vlc_callback_t, const char *) */
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VLC_CONFIG_OLDNAME,
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/* former option name (args=const char *) */
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VLC_CONFIG_SAFE,
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/* tag as modifiable by untrusted input item "sources" (args=none) */
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};
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VLC_EXPORT( module_config_t *, vlc_config_create, (module_t *, int type) );
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VLC_EXPORT( int, vlc_config_set, (module_config_t *, int, ...) );
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/*****************************************************************************
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* Macros used to build the configuration structure.
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*
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* Note that internally we support only 3 types of config data: int, float
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* and string.
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* The other types declared here just map to one of these 3 basic types but
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* have the advantage of also providing very good hints to a configuration
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* interface so as to make it more user friendly.
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* The configuration structure also includes category hints. These hints can
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* provide a configuration interface with some very useful data and again
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* allow for a more user friendly interface.
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*****************************************************************************/
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#define add_type_inner( type ) \
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p_config = vlc_config_create (p_module, type)
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#define add_typedesc_inner( type, text, longtext ) \
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add_type_inner( type ); \
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vlc_config_set (p_config, VLC_CONFIG_DESC, \
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(const char *)(text), (const char *)(longtext))
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#define add_typeadv_inner( type, text, longtext, advc ) \
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add_typedesc_inner( type, text, longtext ); \
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if (advc) vlc_config_set (p_config, VLC_CONFIG_ADVANCED)
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#define add_typename_inner( type, name, text, longtext, advc, cb ) \
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add_typeadv_inner( type, text, longtext, advc ); \
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vlc_config_set (p_config, VLC_CONFIG_NAME, \
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(const char *)(name), (vlc_callback_t)(cb))
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#define add_string_inner( type, name, text, longtext, advc, cb, v ) \
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add_typename_inner( type, name, text, longtext, advc, cb ); \
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vlc_config_set (p_config, VLC_CONFIG_VALUE, (const char *)(v))
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#define add_int_inner( type, name, text, longtext, advc, cb, v ) \
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add_typename_inner( type, name, text, longtext, advc, cb ); \
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vlc_config_set (p_config, VLC_CONFIG_VALUE, (int)(v))
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#define set_category( i_id ) \
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add_type_inner( CONFIG_CATEGORY ); \
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vlc_config_set (p_config, VLC_CONFIG_VALUE, (int)(i_id))
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#define set_subcategory( i_id ) \
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add_type_inner( CONFIG_SUBCATEGORY ); \
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vlc_config_set (p_config, VLC_CONFIG_VALUE, (int)(i_id))
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#define set_section( text, longtext ) \
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add_typedesc_inner( CONFIG_SECTION, text, longtext )
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#define add_category_hint( text, longtext, advc ) \
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add_typeadv_inner( CONFIG_HINT_CATEGORY, text, longtext, advc )
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#define add_subcategory_hint( text, longtext ) \
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add_typedesc_inner( CONFIG_HINT_SUBCATEGORY, text, longtext )
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#define end_subcategory_hint \
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add_type_inner( CONFIG_HINT_SUBCATEGORY_END )
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#define add_usage_hint( text ) \
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add_typedesc_inner( CONFIG_HINT_USAGE, text, NULL )
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#define add_string( name, value, p_callback, text, longtext, advc ) \
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add_string_inner( CONFIG_ITEM_STRING, name, text, longtext, advc, p_callback, value )
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#define add_password( name, value, p_callback, text, longtext, advc ) \
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add_string_inner( CONFIG_ITEM_PASSWORD, name, text, longtext, advc, p_callback, value )
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#define add_file( name, value, p_callback, text, longtext, advc ) \
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add_string_inner( CONFIG_ITEM_FILE, name, text, longtext, advc, p_callback, value )
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#define add_directory( name, value, p_callback, text, longtext, advc ) \
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add_string_inner( CONFIG_ITEM_DIRECTORY, name, text, longtext, advc, p_callback, value )
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#define add_module( name, psz_caps, value, p_callback, text, longtext, advc ) \
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add_string_inner( CONFIG_ITEM_MODULE, name, text, longtext, advc, p_callback, value ); \
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vlc_config_set (p_config, VLC_CONFIG_CAPABILITY, (const char *)(psz_caps))
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#define add_module_list( name, psz_caps, value, p_callback, text, longtext, advc ) \
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add_string_inner( CONFIG_ITEM_MODULE_LIST, name, text, longtext, advc, p_callback, value ); \
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vlc_config_set (p_config, VLC_CONFIG_CAPABILITY, (const char *)(psz_caps))
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#ifndef __PLUGIN__
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#define add_module_cat( name, i_subcategory, value, p_callback, text, longtext, advc ) \
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add_string_inner( CONFIG_ITEM_MODULE_CAT, name, text, longtext, advc, p_callback, value ); \
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p_config->min.i = i_subcategory /* gruik */
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#define add_module_list_cat( name, i_subcategory, value, p_callback, text, longtext, advc ) \
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add_string_inner( CONFIG_ITEM_MODULE_LIST_CAT, name, text, longtext, advc, p_callback, value ); \
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p_config->min.i = i_subcategory /* gruik */
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#endif
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#define add_integer( name, value, p_callback, text, longtext, advc ) \
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add_int_inner( CONFIG_ITEM_INTEGER, name, text, longtext, advc, p_callback, value )
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#define add_key( name, value, p_callback, text, longtext, advc ) \
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add_int_inner( CONFIG_ITEM_KEY, name, text, longtext, advc, p_callback, value )
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#define add_integer_with_range( name, value, i_min, i_max, p_callback, text, longtext, advc ) \
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add_integer( name, value, p_callback, text, longtext, advc ); \
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change_integer_range( i_min, i_max )
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#define add_float( name, v, p_callback, text, longtext, advc ) \
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add_typename_inner( CONFIG_ITEM_FLOAT, name, text, longtext, advc, p_callback ); \
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vlc_config_set (p_config, VLC_CONFIG_VALUE, (double)(v))
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#define add_float_with_range( name, value, f_min, f_max, p_callback, text, longtext, advc ) \
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add_float( name, value, p_callback, text, longtext, advc ); \
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change_float_range( f_min, f_max )
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#define add_bool( name, v, p_callback, text, longtext, advc ) \
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add_typename_inner( CONFIG_ITEM_BOOL, name, text, longtext, advc, p_callback ); \
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if (v) vlc_config_set (p_config, VLC_CONFIG_VALUE, (int)VLC_TRUE)
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/* For removed option */
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#define add_obsolete_inner( name, type ) \
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add_type_inner( type ); \
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vlc_config_set (p_config, VLC_CONFIG_NAME, \
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(const char *)(name), (vlc_callback_t)NULL); \
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vlc_config_set (p_config, VLC_CONFIG_REMOVED)
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#define add_obsolete_bool( name ) \
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add_obsolete_inner( name, CONFIG_ITEM_BOOL )
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#define add_obsolete_integer( name ) \
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add_obsolete_inner( name, CONFIG_ITEM_INTEGER )
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#define add_obsolete_float( name ) \
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add_obsolete_inner( name, CONFIG_ITEM_FLOAT )
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#define add_obsolete_string( name ) \
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add_obsolete_inner( name, CONFIG_ITEM_STRING )
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/* Modifier macros for the config options (used for fine tuning) */
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#define add_deprecated_alias( name ) \
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vlc_config_set (p_config, VLC_CONFIG_OLDNAME, (const char *)(name))
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#define change_short( ch ) \
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vlc_config_set (p_config, VLC_CONFIG_SHORTCUT, (int)(ch))
|
|
|
|
#define change_string_list( list, list_text, list_update_func ) \
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|
vlc_config_set (p_config, VLC_CONFIG_LIST, \
|
|
(size_t)(sizeof (list) / sizeof (char *)), \
|
|
(const char *const *)(list), \
|
|
(const char *const *)(list_text))
|
|
|
|
#define change_integer_list( list, list_text, list_update_func ) \
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|
vlc_config_set (p_config, VLC_CONFIG_LIST, \
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|
(size_t)(sizeof (list) / sizeof (int)), \
|
|
(const int *)(list), \
|
|
(const char *const *)(list_text))
|
|
|
|
#define change_float_list( list, list_text, list_update_func ) \
|
|
vlc_config_set (p_config, VLC_CONFIG_LIST, \
|
|
(size_t)(sizeof (list) / sizeof (float)), \
|
|
(const float *)(list), \
|
|
(const char *const *)(list_text))
|
|
|
|
#define change_integer_range( minv, maxv ) \
|
|
vlc_config_set (p_config, VLC_CONFIG_RANGE, (int)(minv), (int)(maxv))
|
|
|
|
#define change_float_range( minv, maxv ) \
|
|
vlc_config_set (p_config, VLC_CONFIG_RANGE, \
|
|
(double)(minv), (double)(maxv))
|
|
|
|
#define change_action_add( pf_action, text ) \
|
|
vlc_config_set (p_config, VLC_CONFIG_ADD_ACTION, \
|
|
(vlc_callback_t)(pf_action), (const char *)(text))
|
|
|
|
#define change_internal() \
|
|
vlc_config_set (p_config, VLC_CONFIG_PRIVATE)
|
|
|
|
#define change_need_restart() \
|
|
vlc_config_set (p_config, VLC_CONFIG_RESTART)
|
|
|
|
#define change_autosave() \
|
|
vlc_config_set (p_config, VLC_CONFIG_PERSISTENT)
|
|
|
|
#define change_unsaveable() \
|
|
vlc_config_set (p_config, VLC_CONFIG_VOLATILE)
|
|
|
|
#define change_unsafe() (void)0 /* no-op */
|
|
|
|
#define change_safe() \
|
|
vlc_config_set (p_config, VLC_CONFIG_SAFE)
|
|
|
|
/****************************************************************************
|
|
* config_chain_t:
|
|
****************************************************************************/
|
|
struct config_chain_t
|
|
{
|
|
config_chain_t *p_next;
|
|
|
|
char *psz_name;
|
|
char *psz_value;
|
|
};
|
|
|
|
#define config_ChainParse( a, b, c, d ) __config_ChainParse( VLC_OBJECT(a), b, c, d )
|
|
VLC_EXPORT( void, __config_ChainParse, ( vlc_object_t *, const char *psz_prefix, const char *const *ppsz_options, config_chain_t * ) );
|
|
VLC_EXPORT( char *, config_ChainCreate, ( char **, config_chain_t **, const char * ) );
|
|
VLC_EXPORT( void, config_ChainDestroy, ( config_chain_t * ) );
|
|
|
|
# ifdef __cplusplus
|
|
}
|
|
# endif
|
|
|
|
#endif /* _VLC_CONFIGURATION_H */
|
|
|