include/vlc_configuration.h

   1 /*****************************************************************************
   2  * configuration.h : configuration management module
   3  * This file describes the programming interface for the configuration module.
   4  * It includes functions allowing to declare, get or set configuration options.
   5  *****************************************************************************
   6  * Copyright (C) 1999-2006 the VideoLAN team
   7  * $Id$
   8  *
   9  * Authors: Gildas Bazin <gbazin@videolan.org>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  24  *****************************************************************************/
  25
  26 #if !defined( __LIBVLC__ )
  27   #error You are not libvlc or one of its plugins. You cannot include this file
  28 #endif
  29
  30 #ifndef _VLC_CONFIGURATION_H
  31 #define _VLC_CONFIGURATION_H 1
  32
  33
  34 # ifdef __cplusplus
  35 extern "C" {
  36 # endif
  37
  38 /*****************************************************************************
  39  * Macros used to build the configuration structure.
  40  *****************************************************************************/
  41
  42 /* Configuration hint types */
  43
  44
  45 #define CONFIG_HINT_CATEGORY                0x0002  /* Start of new category */
  46 #define CONFIG_HINT_SUBCATEGORY             0x0003  /* Start of sub-category */
  47 #define CONFIG_HINT_SUBCATEGORY_END         0x0004  /* End of sub-category */
  48 #define CONFIG_HINT_USAGE                   0x0005  /* Usage information */
  49
  50 #define CONFIG_CATEGORY                     0x0006 /* Set category */
  51 #define CONFIG_SUBCATEGORY                  0x0007 /* Set subcategory */
  52 #define CONFIG_SECTION                      0x0008 /* Start of new section */
  53
  54 #define CONFIG_HINT                         0x000F
  55
  56 /* Configuration item types */
  57 #define CONFIG_ITEM_STRING                  0x0010  /* String option */
  58 #define CONFIG_ITEM_FILE                    0x0020  /* File option */
  59 #define CONFIG_ITEM_MODULE                  0x0030  /* Module option */
  60 #define CONFIG_ITEM_INTEGER                 0x0040  /* Integer option */
  61 #define CONFIG_ITEM_BOOL                    0x0050  /* Bool option */
  62 #define CONFIG_ITEM_FLOAT                   0x0060  /* Float option */
  63 #define CONFIG_ITEM_DIRECTORY               0x0070  /* Directory option */
  64 #define CONFIG_ITEM_KEY                     0x0080  /* Hot key option */
  65 #define CONFIG_ITEM_MODULE_CAT              0x0090  /* Module option */
  66 #define CONFIG_ITEM_MODULE_LIST             0x00A0  /* Module option */
  67 #define CONFIG_ITEM_MODULE_LIST_CAT         0x00B0  /* Module option */
  68 #define CONFIG_ITEM_FONT                    0x00C0  /* Font option */
  69 #define CONFIG_ITEM_PASSWORD                0x00D0  /* Password option (*) */
  70
  71 #define CONFIG_ITEM                         0x00F0
  72
  73 /*******************************************************************
  74  * All predefined categories and subcategories
  75  *******************************************************************/
  76 #define CAT_INTERFACE 1
  77    #define SUBCAT_INTERFACE_GENERAL 101
  78    #define SUBCAT_INTERFACE_MAIN 102
  79    #define SUBCAT_INTERFACE_CONTROL 103
  80    #define SUBCAT_INTERFACE_HOTKEYS 104
  81
  82 #define CAT_AUDIO 2
  83    #define SUBCAT_AUDIO_GENERAL 201
  84    #define SUBCAT_AUDIO_AOUT 202
  85    #define SUBCAT_AUDIO_AFILTER 203
  86    #define SUBCAT_AUDIO_VISUAL 204
  87    #define SUBCAT_AUDIO_MISC 205
  88
  89 #define CAT_VIDEO 3
  90    #define SUBCAT_VIDEO_GENERAL 301
  91    #define SUBCAT_VIDEO_VOUT 302
  92    #define SUBCAT_VIDEO_VFILTER 303
  93    #define SUBCAT_VIDEO_TEXT 304
  94    #define SUBCAT_VIDEO_SUBPIC 305
  95    #define SUBCAT_VIDEO_VFILTER2 306
  96
  97 #define CAT_INPUT 4
  98    #define SUBCAT_INPUT_GENERAL 401
  99    #define SUBCAT_INPUT_ACCESS 402
 100    #define SUBCAT_INPUT_ACCESS_FILTER 403
 101    #define SUBCAT_INPUT_DEMUX 404
 102    #define SUBCAT_INPUT_VCODEC 405
 103    #define SUBCAT_INPUT_ACODEC 406
 104    #define SUBCAT_INPUT_SCODEC 407
 105
 106 #define CAT_SOUT 5
 107    #define SUBCAT_SOUT_GENERAL 501
 108    #define SUBCAT_SOUT_STREAM 502
 109    #define SUBCAT_SOUT_MUX 503
 110    #define SUBCAT_SOUT_ACO 504
 111    #define SUBCAT_SOUT_PACKETIZER 505
 112    #define SUBCAT_SOUT_SAP 506
 113    #define SUBCAT_SOUT_VOD 507
 114
 115 #define CAT_ADVANCED 6
 116    #define SUBCAT_ADVANCED_CPU 601
 117    #define SUBCAT_ADVANCED_MISC 602
 118    #define SUBCAT_ADVANCED_NETWORK 603
 119    #define SUBCAT_ADVANCED_XML 604
 120
 121 #define CAT_PLAYLIST 7
 122    #define SUBCAT_PLAYLIST_GENERAL 701
 123    #define SUBCAT_PLAYLIST_SD 702
 124    #define SUBCAT_PLAYLIST_EXPORT 703
 125
 126 #define CAT_OSD 8
 127    #define SUBCAT_OSD_IMPORT 801
 128
 129 struct config_category_t
 130 {
 131     int         i_id;
 132     const char *psz_name;
 133     const char *psz_help;
 134 };
 135
 136 typedef union
 137 {
 138     char       *psz;
 139     int         i;
 140     float       f;
 141 } module_value_t;
 142
 143 typedef union
 144 {
 145     int         i;
 146     float       f;
 147 } module_nvalue_t;
 148
 149 struct module_config_t
 150 {
 151     int          i_type;                               /* Configuration type */
 152     char        *psz_type;                          /* Configuration subtype */
 153     char        *psz_name;                                    /* Option name */
 154     char         i_short;                      /* Optional short option name */
 155     char        *psz_text;      /* Short comment on the configuration option */
 156     char        *psz_longtext;   /* Long comment on the configuration option */
 157     module_value_t value;                                    /* Option value */
 158     module_value_t orig;
 159     module_value_t saved;
 160     module_nvalue_t min;
 161     module_nvalue_t max;
 162
 163     /* Function to call when commiting a change */
 164     vlc_callback_t pf_callback;
 165     void          *p_callback_data;
 166
 167     /* Values list */
 168     char **      ppsz_list;       /* List of possible values for the option */
 169     int         *pi_list;                              /* Idem for integers */
 170     char       **ppsz_list_text;          /* Friendly names for list values */
 171     int          i_list;                               /* Options list size */
 172     vlc_callback_t pf_update_list; /*callback to initialize dropdownlists */
 173
 174     /* Actions list */
 175     vlc_callback_t *ppf_action;    /* List of possible actions for a config */
 176     char          **ppsz_action_text;         /* Friendly names for actions */
 177     int            i_action;                           /* actions list size */
 178
 179     /* Misc */
 180     vlc_mutex_t *p_lock;            /* Lock to use when modifying the config */
 181     bool   b_dirty;          /* Dirty flag to indicate a config change */
 182     bool   b_advanced;          /* Flag to indicate an advanced option */
 183     bool   b_internal;   /* Flag to indicate option is not to be shown */
 184     bool   b_restart;   /* Flag to indicate the option needs a restart */
 185                               /* to take effect */
 186
 187     /* Deprecated */
 188     char          *psz_oldname;                          /* Old option name */
 189     bool     b_removed;
 190
 191     /* Option values loaded from config file */
 192     bool   b_autosave;      /* Config will be auto-saved at exit time */
 193     bool   b_unsaveable;                /* Config should not be saved */
 194
 195     bool   b_safe;
 196 };
 197
 198 /*****************************************************************************
 199  * Prototypes - these methods are used to get, set or manipulate configuration
 200  * data.
 201  *****************************************************************************/
 202 VLC_EXPORT( int,    __config_GetType,  (vlc_object_t *, const char *) );
 203 VLC_EXPORT( int,    __config_GetInt,   (vlc_object_t *, const char *) );
 204 VLC_EXPORT( void,   __config_PutInt,   (vlc_object_t *, const char *, int) );
 205 VLC_EXPORT( float,  __config_GetFloat, (vlc_object_t *, const char *) );
 206 VLC_EXPORT( void,   __config_PutFloat, (vlc_object_t *, const char *, float) );
 207 VLC_EXPORT( char *, __config_GetPsz,   (vlc_object_t *, const char *) );
 208 VLC_EXPORT( void,   __config_PutPsz,   (vlc_object_t *, const char *, const char *) );
 209
 210 #define config_SaveConfigFile(a,b) __config_SaveConfigFile(VLC_OBJECT(a),b)
 211 VLC_EXPORT( int,    __config_SaveConfigFile, ( vlc_object_t *, const char * ) );
 212 #define config_ResetAll(a) __config_ResetAll(VLC_OBJECT(a))
 213 VLC_EXPORT( void,   __config_ResetAll, ( vlc_object_t * ) );
 214
 215 VLC_EXPORT( module_config_t *, config_FindConfig,( vlc_object_t *, const char * ) );
 216
 217 VLC_EXPORT(const char *, config_GetDataDir, ( void ));
 218 VLC_EXPORT(const char *, config_GetConfDir, ( void ) );
 219 VLC_EXPORT(const char *, config_GetHomeDir, ( void ));
 220 VLC_EXPORT(char *, config_GetUserConfDir, ( void ) );
 221 VLC_EXPORT(char *, config_GetUserDataDir, ( void ) );
 222 VLC_EXPORT(char *, config_GetCacheDir, ( void ) );
 223
 224 VLC_EXPORT( void,       __config_AddIntf,    ( vlc_object_t *, const char * ) );
 225 VLC_EXPORT( void,       __config_RemoveIntf, ( vlc_object_t *, const char * ) );
 226 VLC_EXPORT( bool, __config_ExistIntf,  ( vlc_object_t *, const char * ) );
 227
 228 #define config_GetType(a,b) __config_GetType(VLC_OBJECT(a),b)
 229 #define config_GetInt(a,b) __config_GetInt(VLC_OBJECT(a),b)
 230 #define config_PutInt(a,b,c) __config_PutInt(VLC_OBJECT(a),b,c)
 231 #define config_GetFloat(a,b) __config_GetFloat(VLC_OBJECT(a),b)
 232 #define config_PutFloat(a,b,c) __config_PutFloat(VLC_OBJECT(a),b,c)
 233 #define config_GetPsz(a,b) __config_GetPsz(VLC_OBJECT(a),b)
 234 #define config_PutPsz(a,b,c) __config_PutPsz(VLC_OBJECT(a),b,c)
 235
 236 #define config_AddIntf(a,b) __config_AddIntf(VLC_OBJECT(a),b)
 237 #define config_RemoveIntf(a,b) __config_RemoveIntf(VLC_OBJECT(a),b)
 238 #define config_ExistIntf(a,b) __config_ExistIntf(VLC_OBJECT(a),b)
 239
 240 /****************************************************************************
 241  * config_chain_t:
 242  ****************************************************************************/
 243 struct config_chain_t
 244 {
 245     config_chain_t *p_next;
 246
 247     char        *psz_name;
 248     char        *psz_value;
 249 };
 250
 251 #define config_ChainParse( a, b, c, d ) __config_ChainParse( VLC_OBJECT(a), b, c, d )
 252 VLC_EXPORT( void,   __config_ChainParse, ( vlc_object_t *, const char *psz_prefix, const char *const *ppsz_options, config_chain_t * ) );
 253 VLC_EXPORT( char *, config_ChainCreate, ( char **, config_chain_t **, const char * ) );
 254 VLC_EXPORT( void, config_ChainDestroy, ( config_chain_t * ) );
 255
 256 # ifdef __cplusplus
 257 }
 258 # endif
 259
 260 #endif /* _VLC_CONFIGURATION_H */