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
9 * Authors: Gildas Bazin <gbazin@videolan.org>
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.
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.
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 *****************************************************************************/
26 #if !defined( __LIBVLC__ )
27 #error You are not libvlc or one of its plugins. You cannot include this file
30 #ifndef _VLC_CONFIGURATION_H
31 #define _VLC_CONFIGURATION_H 1
38 /*****************************************************************************
39 * Macros used to build the configuration structure.
40 *****************************************************************************/
42 /* Configuration hint types */
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 */
50 #define CONFIG_CATEGORY 0x0006 /* Set category */
51 #define CONFIG_SUBCATEGORY 0x0007 /* Set subcategory */
52 #define CONFIG_SECTION 0x0008 /* Start of new section */
54 #define CONFIG_HINT 0x000F
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 (*) */
71 #define CONFIG_ITEM 0x00F0
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
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
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
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
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
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
121 #define CAT_PLAYLIST 7
122 #define SUBCAT_PLAYLIST_GENERAL 701
123 #define SUBCAT_PLAYLIST_SD 702
124 #define SUBCAT_PLAYLIST_EXPORT 703
127 #define SUBCAT_OSD_IMPORT 801
129 struct config_category_t
132 const char *psz_name;
133 const char *psz_help;
149 struct module_config_t
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 */
159 module_value_t saved;
163 /* Function to call when commiting a change */
164 vlc_callback_t pf_callback;
165 void *p_callback_data;
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 */
174 vlc_callback_t *ppf_action; /* List of possible actions for a config */
175 char **ppsz_action_text; /* Friendly names for actions */
176 int i_action; /* actions list size */
179 vlc_mutex_t *p_lock; /* Lock to use when modifying the config */
180 vlc_bool_t b_dirty; /* Dirty flag to indicate a config change */
181 vlc_bool_t b_advanced; /* Flag to indicate an advanced option */
182 vlc_bool_t b_internal; /* Flag to indicate option is not to be shown */
183 vlc_bool_t b_restart; /* Flag to indicate the option needs a restart */
187 char *psz_oldname; /* Old option name */
188 vlc_bool_t b_removed;
190 /* Option values loaded from config file */
191 vlc_bool_t b_autosave; /* Config will be auto-saved at exit time */
192 vlc_bool_t b_unsaveable; /* Config should be saved */
197 /*****************************************************************************
198 * Prototypes - these methods are used to get, set or manipulate configuration
200 *****************************************************************************/
201 VLC_EXPORT( int, __config_GetType, (vlc_object_t *, const char *) );
202 VLC_EXPORT( int, __config_GetInt, (vlc_object_t *, const char *) );
203 VLC_EXPORT( void, __config_PutInt, (vlc_object_t *, const char *, int) );
204 VLC_EXPORT( float, __config_GetFloat, (vlc_object_t *, const char *) );
205 VLC_EXPORT( void, __config_PutFloat, (vlc_object_t *, const char *, float) );
206 VLC_EXPORT( char *, __config_GetPsz, (vlc_object_t *, const char *) );
207 VLC_EXPORT( void, __config_PutPsz, (vlc_object_t *, const char *, const char *) );
209 #define config_SaveConfigFile(a,b) __config_SaveConfigFile(VLC_OBJECT(a),b)
210 VLC_EXPORT( int, __config_SaveConfigFile, ( vlc_object_t *, const char * ) );
211 #define config_ResetAll(a) __config_ResetAll(VLC_OBJECT(a))
212 VLC_EXPORT( void, __config_ResetAll, ( vlc_object_t * ) );
214 VLC_EXPORT( module_config_t *, config_FindConfig,( vlc_object_t *, const char * ) );
216 VLC_EXPORT(const char *, config_GetDataDir, ( void ));
218 VLC_EXPORT( void, __config_AddIntf, ( vlc_object_t *, const char * ) );
219 VLC_EXPORT( void, __config_RemoveIntf, ( vlc_object_t *, const char * ) );
220 VLC_EXPORT( vlc_bool_t, __config_ExistIntf, ( vlc_object_t *, const char * ) );
222 #define config_GetType(a,b) __config_GetType(VLC_OBJECT(a),b)
223 #define config_GetInt(a,b) __config_GetInt(VLC_OBJECT(a),b)
224 #define config_PutInt(a,b,c) __config_PutInt(VLC_OBJECT(a),b,c)
225 #define config_GetFloat(a,b) __config_GetFloat(VLC_OBJECT(a),b)
226 #define config_PutFloat(a,b,c) __config_PutFloat(VLC_OBJECT(a),b,c)
227 #define config_GetPsz(a,b) __config_GetPsz(VLC_OBJECT(a),b)
228 #define config_PutPsz(a,b,c) __config_PutPsz(VLC_OBJECT(a),b,c)
230 #define config_AddIntf(a,b) __config_AddIntf(VLC_OBJECT(a),b)
231 #define config_RemoveIntf(a,b) __config_RemoveIntf(VLC_OBJECT(a),b)
232 #define config_ExistIntf(a,b) __config_ExistIntf(VLC_OBJECT(a),b)
234 enum vlc_config_properties
236 /* DO NOT EVER REMOVE, INSERT OR REPLACE ANY ITEM! It would break the ABI!
237 * Append new items at the end ONLY. */
240 /* command line name (args=const char *, vlc_callback_t) */
243 /* description (args=const char *, const char *) */
246 /* actual value (args=int/double/const char *) */
249 /* minimum value (args=int/double/const char * twice) */
252 /* enable advanced flag (args=none) */
255 /* don't write variable to storage (args=none) */
257 VLC_CONFIG_PERSISTENT,
258 /* always write variable to storage (args=none) */
261 /* restart required to apply value change (args=none) */
264 /* hide from user (args=none) */
267 /* tag as no longer supported (args=none) */
269 VLC_CONFIG_CAPABILITY,
270 /* capability for a module or list thereof (args=const char*) */
273 /* one-character (short) command line option name (args=char) */
276 /* possible values list
277 * (args=size_t, const <type> *, const char *const *) */
279 VLC_CONFIG_ADD_ACTION,
280 /* add value change callback (args=vlc_callback_t, const char *) */
283 /* former option name (args=const char *) */
286 /* usable by external plugins (args=none) */
290 VLC_EXPORT( module_config_t *, vlc_config_create, (module_t *, int type) );
291 VLC_EXPORT( int, vlc_config_set, (module_config_t *, int, ...) );
293 /*****************************************************************************
294 * Macros used to build the configuration structure.
296 * Note that internally we support only 3 types of config data: int, float
298 * The other types declared here just map to one of these 3 basic types but
299 * have the advantage of also providing very good hints to a configuration
300 * interface so as to make it more user friendly.
301 * The configuration structure also includes category hints. These hints can
302 * provide a configuration interface with some very useful data and again
303 * allow for a more user friendly interface.
304 *****************************************************************************/
306 #define add_type_inner( type ) \
307 p_config = vlc_config_create (p_module, type)
309 #define add_typedesc_inner( type, text, longtext ) \
310 add_type_inner( type ); \
311 vlc_config_set (p_config, VLC_CONFIG_DESC, \
312 (const char *)(text), (const char *)(longtext))
314 #define add_typeadv_inner( type, text, longtext, advc ) \
315 add_typedesc_inner( type, text, longtext ); \
316 if (advc) vlc_config_set (p_config, VLC_CONFIG_ADVANCED)
318 #define add_typename_inner( type, name, text, longtext, advc, cb ) \
319 add_typeadv_inner( type, text, longtext, advc ); \
320 vlc_config_set (p_config, VLC_CONFIG_NAME, \
321 (const char *)(name), (vlc_callback_t)(cb))
323 #define add_string_inner( type, name, text, longtext, advc, cb, v ) \
324 add_typename_inner( type, name, text, longtext, advc, cb ); \
325 vlc_config_set (p_config, VLC_CONFIG_VALUE, (const char *)(v))
327 #define add_int_inner( type, name, text, longtext, advc, cb, v ) \
328 add_typename_inner( type, name, text, longtext, advc, cb ); \
329 vlc_config_set (p_config, VLC_CONFIG_VALUE, (int)(v))
332 #define set_category( i_id ) \
333 add_type_inner( CONFIG_CATEGORY ); \
334 vlc_config_set (p_config, VLC_CONFIG_VALUE, (int)(i_id))
336 #define set_subcategory( i_id ) \
337 add_type_inner( CONFIG_SUBCATEGORY ); \
338 vlc_config_set (p_config, VLC_CONFIG_VALUE, (int)(i_id))
340 #define set_section( text, longtext ) \
341 add_typedesc_inner( CONFIG_SECTION, text, longtext )
343 #define add_category_hint( text, longtext, advc ) \
344 add_typeadv_inner( CONFIG_HINT_CATEGORY, text, longtext, advc )
346 #define add_subcategory_hint( text, longtext ) \
347 add_typedesc_inner( CONFIG_HINT_SUBCATEGORY, text, longtext )
349 #define end_subcategory_hint \
350 add_type_inner( CONFIG_HINT_SUBCATEGORY_END )
352 #define add_usage_hint( text ) \
353 add_typedesc_inner( CONFIG_HINT_USAGE, text, NULL )
355 #define add_string( name, value, p_callback, text, longtext, advc ) \
356 add_string_inner( CONFIG_ITEM_STRING, name, text, longtext, advc, p_callback, value )
358 #define add_password( name, value, p_callback, text, longtext, advc ) \
359 add_string_inner( CONFIG_ITEM_PASSWORD, name, text, longtext, advc, p_callback, value )
361 #define add_file( name, value, p_callback, text, longtext, advc ) \
362 add_string_inner( CONFIG_ITEM_FILE, name, text, longtext, advc, p_callback, value )
364 #define add_directory( name, value, p_callback, text, longtext, advc ) \
365 add_string_inner( CONFIG_ITEM_DIRECTORY, name, text, longtext, advc, p_callback, value )
367 #define add_module( name, psz_caps, value, p_callback, text, longtext, advc ) \
368 add_string_inner( CONFIG_ITEM_MODULE, name, text, longtext, advc, p_callback, value ); \
369 vlc_config_set (p_config, VLC_CONFIG_CAPABILITY, (const char *)(psz_caps))
371 #define add_module_list( name, psz_caps, value, p_callback, text, longtext, advc ) \
372 add_string_inner( CONFIG_ITEM_MODULE_LIST, name, text, longtext, advc, p_callback, value ); \
373 vlc_config_set (p_config, VLC_CONFIG_CAPABILITY, (const char *)(psz_caps))
376 #define add_module_cat( name, i_subcategory, value, p_callback, text, longtext, advc ) \
377 add_string_inner( CONFIG_ITEM_MODULE_CAT, name, text, longtext, advc, p_callback, value ); \
378 p_config->min.i = i_subcategory /* gruik */
380 #define add_module_list_cat( name, i_subcategory, value, p_callback, text, longtext, advc ) \
381 add_string_inner( CONFIG_ITEM_MODULE_LIST_CAT, name, text, longtext, advc, p_callback, value ); \
382 p_config->min.i = i_subcategory /* gruik */
385 #define add_integer( name, value, p_callback, text, longtext, advc ) \
386 add_int_inner( CONFIG_ITEM_INTEGER, name, text, longtext, advc, p_callback, value )
388 #define add_key( name, value, p_callback, text, longtext, advc ) \
389 add_int_inner( CONFIG_ITEM_KEY, name, text, longtext, advc, p_callback, value )
391 #define add_integer_with_range( name, value, i_min, i_max, p_callback, text, longtext, advc ) \
392 add_integer( name, value, p_callback, text, longtext, advc ); \
393 change_integer_range( i_min, i_max )
395 #define add_float( name, v, p_callback, text, longtext, advc ) \
396 add_typename_inner( CONFIG_ITEM_FLOAT, name, text, longtext, advc, p_callback ); \
397 vlc_config_set (p_config, VLC_CONFIG_VALUE, (double)(v))
399 #define add_float_with_range( name, value, f_min, f_max, p_callback, text, longtext, advc ) \
400 add_float( name, value, p_callback, text, longtext, advc ); \
401 change_float_range( f_min, f_max )
403 #define add_bool( name, v, p_callback, text, longtext, advc ) \
404 add_typename_inner( CONFIG_ITEM_BOOL, name, text, longtext, advc, p_callback ); \
405 if (v) vlc_config_set (p_config, VLC_CONFIG_VALUE, (int)VLC_TRUE)
407 /* For removed option */
408 #define add_obsolete_inner( name, type ) \
409 add_type_inner( type ); \
410 vlc_config_set (p_config, VLC_CONFIG_NAME, \
411 (const char *)(name), (vlc_callback_t)NULL); \
412 vlc_config_set (p_config, VLC_CONFIG_REMOVED)
414 #define add_obsolete_bool( name ) \
415 add_obsolete_inner( name, CONFIG_ITEM_BOOL )
417 #define add_obsolete_integer( name ) \
418 add_obsolete_inner( name, CONFIG_ITEM_INTEGER )
420 #define add_obsolete_float( name ) \
421 add_obsolete_inner( name, CONFIG_ITEM_FLOAT )
423 #define add_obsolete_string( name ) \
424 add_obsolete_inner( name, CONFIG_ITEM_STRING )
426 /* Modifier macros for the config options (used for fine tuning) */
428 #define add_deprecated_alias( name ) \
429 vlc_config_set (p_config, VLC_CONFIG_OLDNAME, (const char *)(name))
431 #define change_short( ch ) \
432 vlc_config_set (p_config, VLC_CONFIG_SHORTCUT, (int)(ch))
434 #define change_string_list( list, list_text, list_update_func ) \
435 vlc_config_set (p_config, VLC_CONFIG_LIST, \
436 (size_t)(sizeof (list) / sizeof (char *)), \
437 (const char *const *)(list), \
438 (const char *const *)(list_text))
440 #define change_integer_list( list, list_text, list_update_func ) \
441 vlc_config_set (p_config, VLC_CONFIG_LIST, \
442 (size_t)(sizeof (list) / sizeof (int)), \
443 (const int *)(list), \
444 (const char *const *)(list_text))
446 #define change_float_list( list, list_text, list_update_func ) \
447 vlc_config_set (p_config, VLC_CONFIG_LIST, \
448 (size_t)(sizeof (list) / sizeof (float)), \
449 (const float *)(list), \
450 (const char *const *)(list_text))
452 #define change_integer_range( minv, maxv ) \
453 vlc_config_set (p_config, VLC_CONFIG_RANGE, (int)(minv), (int)(maxv))
455 #define change_float_range( minv, maxv ) \
456 vlc_config_set (p_config, VLC_CONFIG_RANGE, \
457 (double)(minv), (double)(maxv))
459 #define change_action_add( pf_action, text ) \
460 vlc_config_set (p_config, VLC_CONFIG_ADD_ACTION, \
461 (vlc_callback_t)(pf_action), (const char *)(text))
463 #define change_internal() \
464 vlc_config_set (p_config, VLC_CONFIG_PRIVATE)
466 #define change_need_restart() \
467 vlc_config_set (p_config, VLC_CONFIG_RESTART)
469 #define change_autosave() \
470 vlc_config_set (p_config, VLC_CONFIG_PERSISTENT)
472 #define change_unsaveable() \
473 vlc_config_set (p_config, VLC_CONFIG_VOLATILE)
475 #define change_safe() \
476 vlc_config_set (p_config, VLC_CONFIG_SAFE)
478 /****************************************************************************
480 ****************************************************************************/
481 struct config_chain_t
483 config_chain_t *p_next;
489 #define config_ChainParse( a, b, c, d ) __config_ChainParse( VLC_OBJECT(a), b, c, d )
490 VLC_EXPORT( void, __config_ChainParse, ( vlc_object_t *, const char *psz_prefix, const char *const *ppsz_options, config_chain_t * ) );
491 VLC_EXPORT( char *, config_ChainCreate, ( char **, config_chain_t **, const char * ) );
492 VLC_EXPORT( void, config_ChainDestroy, ( config_chain_t * ) );
498 #endif /* _VLC_CONFIGURATION_H */