include/vlc_plugin.h

   1 /*****************************************************************************
   2  * vlc_plugin.h : Macros used from within a module.
   3  *****************************************************************************
   4  * Copyright (C) 2001-2006 VLC authors and VideoLAN
   5  * Copyright © 2007-2009 Rémi Denis-Courmont
   6  *
   7  * Authors: Samuel Hocevar <sam@zoy.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU Lesser General Public License as published by
  11  * the Free Software Foundation; either version 2.1 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17  * GNU Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public License
  20  * along with this program; if not, write to the Free Software Foundation,
  21  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #ifndef LIBVLC_MODULES_MACROS_H
  25 # define LIBVLC_MODULES_MACROS_H 1
  26
  27 /**
  28  * \file
  29  * This file implements plugin (module) macros used to define a vlc module.
  30  */
  31
  32 enum vlc_module_properties
  33 {
  34     VLC_MODULE_CREATE,
  35     VLC_CONFIG_CREATE,
  36
  37     /* DO NOT EVER REMOVE, INSERT OR REPLACE ANY ITEM! It would break the ABI!
  38      * Append new items at the end ONLY. */
  39     VLC_MODULE_CPU_REQUIREMENT=0x100,
  40     VLC_MODULE_SHORTCUT,
  41     VLC_MODULE_CAPABILITY,
  42     VLC_MODULE_SCORE,
  43     VLC_MODULE_CB_OPEN,
  44     VLC_MODULE_CB_CLOSE,
  45     VLC_MODULE_NO_UNLOAD,
  46     VLC_MODULE_NAME,
  47     VLC_MODULE_SHORTNAME,
  48     VLC_MODULE_DESCRIPTION,
  49     VLC_MODULE_HELP,
  50     VLC_MODULE_TEXTDOMAIN,
  51     /* Insert new VLC_MODULE_* here */
  52
  53     /* DO NOT EVER REMOVE, INSERT OR REPLACE ANY ITEM! It would break the ABI!
  54      * Append new items at the end ONLY. */
  55     VLC_CONFIG_NAME=0x1000,
  56     /* command line name (args=const char *) */
  57
  58     VLC_CONFIG_VALUE,
  59     /* actual value (args=int64_t/double/const char *) */
  60
  61     VLC_CONFIG_RANGE,
  62     /* minimum value (args=int64_t/double/const char * twice) */
  63
  64     VLC_CONFIG_ADVANCED_RESERVED,
  65     /* reserved - do not use */
  66
  67     VLC_CONFIG_VOLATILE,
  68     /* don't write variable to storage (args=none) */
  69
  70     VLC_CONFIG_PERSISTENT_OBSOLETE,
  71     /* unused (ignored) */
  72
  73     VLC_CONFIG_PRIVATE,
  74     /* hide from user (args=none) */
  75
  76     VLC_CONFIG_REMOVED,
  77     /* tag as no longer supported (args=none) */
  78
  79     VLC_CONFIG_CAPABILITY,
  80     /* capability for a module or list thereof (args=const char*) */
  81
  82     VLC_CONFIG_SHORTCUT,
  83     /* one-character (short) command line option name (args=char) */
  84
  85     VLC_CONFIG_OLDNAME_OBSOLETE,
  86     /* unused (ignored) */
  87
  88     VLC_CONFIG_SAFE,
  89     /* tag as modifiable by untrusted input item "sources" (args=none) */
  90
  91     VLC_CONFIG_DESC,
  92     /* description (args=const char *, const char *, const char *) */
  93
  94     VLC_CONFIG_LIST_OBSOLETE,
  95     /* unused (ignored) */
  96
  97     VLC_CONFIG_ADD_ACTION_OBSOLETE,
  98     /* unused (ignored) */
  99
 100     VLC_CONFIG_LIST,
 101     /* list of suggested values
 102      * (args=size_t, const <type> *, const char *const *) */
 103
 104     VLC_CONFIG_LIST_CB_OBSOLETE,
 105     /* unused (ignored) */
 106
 107     /* Insert new VLC_CONFIG_* here */
 108 };
 109
 110 /* Configuration hint types */
 111 #define CONFIG_HINT_CATEGORY                0x02  /* Start of new category */
 112 #define CONFIG_HINT_USAGE                   0x05  /* Usage information */
 113
 114 #define CONFIG_CATEGORY                     0x06 /* Set category */
 115 #define CONFIG_SUBCATEGORY                  0x07 /* Set subcategory */
 116 #define CONFIG_SECTION                      0x08 /* Start of new section */
 117
 118 /* Configuration item types */
 119 #define CONFIG_ITEM_FLOAT                   0x20  /* Float option */
 120 #define CONFIG_ITEM_INTEGER                 0x40  /* Integer option */
 121 #define CONFIG_ITEM_RGB                     0x41  /* RGB color option */
 122 #define CONFIG_ITEM_BOOL                    0x60  /* Bool option */
 123 #define CONFIG_ITEM_STRING                  0x80  /* String option */
 124 #define CONFIG_ITEM_PASSWORD                0x81  /* Password option (*) */
 125 #define CONFIG_ITEM_KEY                     0x82  /* Hot key option */
 126 #define CONFIG_ITEM_MODULE                  0x84  /* Module option */
 127 #define CONFIG_ITEM_MODULE_CAT              0x85  /* Module option */
 128 #define CONFIG_ITEM_MODULE_LIST             0x86  /* Module option */
 129 #define CONFIG_ITEM_MODULE_LIST_CAT         0x87  /* Module option */
 130 #define CONFIG_ITEM_LOADFILE                0x8C  /* Read file option */
 131 #define CONFIG_ITEM_SAVEFILE                0x8D  /* Written file option */
 132 #define CONFIG_ITEM_DIRECTORY               0x8E  /* Directory option */
 133 #define CONFIG_ITEM_FONT                    0x8F  /* Font option */
 134
 135 #define CONFIG_ITEM(x) (((x) & ~0xF) != 0)
 136
 137 /* Categories and subcategories */
 138 #define CAT_INTERFACE 1
 139 #define SUBCAT_INTERFACE_GENERAL 101
 140 #define SUBCAT_INTERFACE_MAIN 102
 141 #define SUBCAT_INTERFACE_CONTROL 103
 142 #define SUBCAT_INTERFACE_HOTKEYS 104
 143
 144 #define CAT_AUDIO 2
 145 #define SUBCAT_AUDIO_GENERAL 201
 146 #define SUBCAT_AUDIO_AOUT 202
 147 #define SUBCAT_AUDIO_AFILTER 203
 148 #define SUBCAT_AUDIO_VISUAL 204
 149 #define SUBCAT_AUDIO_RESAMPLER 206
 150
 151 #define CAT_VIDEO 3
 152 #define SUBCAT_VIDEO_GENERAL 301
 153 #define SUBCAT_VIDEO_VOUT 302
 154 #define SUBCAT_VIDEO_VFILTER 303
 155 #define SUBCAT_VIDEO_SUBPIC 305
 156 #define SUBCAT_VIDEO_SPLITTER 306
 157
 158 #define CAT_INPUT 4
 159 #define SUBCAT_INPUT_GENERAL 401
 160 #define SUBCAT_INPUT_ACCESS 402
 161 #define SUBCAT_INPUT_DEMUX 403
 162 #define SUBCAT_INPUT_VCODEC 404
 163 #define SUBCAT_INPUT_ACODEC 405
 164 #define SUBCAT_INPUT_SCODEC 406
 165 #define SUBCAT_INPUT_STREAM_FILTER 407
 166
 167 #define CAT_SOUT 5
 168 #define SUBCAT_SOUT_GENERAL 501
 169 #define SUBCAT_SOUT_STREAM 502
 170 #define SUBCAT_SOUT_MUX 503
 171 #define SUBCAT_SOUT_ACO 504
 172 #define SUBCAT_SOUT_PACKETIZER 505
 173 #define SUBCAT_SOUT_VOD 507
 174 #define SUBCAT_SOUT_RENDERER 508
 175
 176 #define CAT_ADVANCED 6
 177 #define SUBCAT_ADVANCED_MISC 602
 178 #define SUBCAT_ADVANCED_NETWORK 603
 179
 180 #define CAT_PLAYLIST 7
 181 #define SUBCAT_PLAYLIST_GENERAL 701
 182 #define SUBCAT_PLAYLIST_SD 702
 183 #define SUBCAT_PLAYLIST_EXPORT 703
 184
 185
 186 /**
 187  * Current plugin ABI version
 188  */
 189 #define VLC_API_VERSION_STRING "4.0.4"
 190
 191 /*****************************************************************************
 192  * Add a few defines. You do not want to read this section. Really.
 193  *****************************************************************************/
 194
 195 /* Explanation:
 196  *
 197  * if linking a module statically, we will need:
 198  * #define MODULE_FUNC( zog ) module_foo_zog
 199  *
 200  * this can't easily be done with the C preprocessor, thus a few ugly hacks.
 201  */
 202
 203 /* I need to do _this_ to change « foo bar » to « module_foo_bar » ! */
 204 #define CONCATENATE( y, z ) CRUDE_HACK( y, z )
 205 #define CRUDE_HACK( y, z )  y##__##z
 206
 207 /* If the module is built-in, then we need to define foo_InitModule instead
 208  * of InitModule. Same for Activate- and DeactivateModule. */
 209 #ifdef __PLUGIN__
 210 # define VLC_SYMBOL(symbol) symbol
 211 # define VLC_MODULE_NAME_HIDDEN_SYMBOL \
 212     const char vlc_module_name[] = MODULE_STRING;
 213 #else
 214 # define VLC_SYMBOL(symbol)  CONCATENATE(symbol, MODULE_NAME)
 215 # define VLC_MODULE_NAME_HIDDEN_SYMBOL
 216 #endif
 217
 218 #define CDECL_SYMBOL
 219 #if defined (__PLUGIN__)
 220 # if defined (_WIN32)
 221 #   define DLL_SYMBOL              __declspec(dllexport)
 222 #   undef CDECL_SYMBOL
 223 #   define CDECL_SYMBOL            __cdecl
 224 # elif defined (__GNUC__)
 225 #   define DLL_SYMBOL              __attribute__((visibility("default")))
 226 # else
 227 #  define DLL_SYMBOL
 228 # endif
 229 #else
 230 # define DLL_SYMBOL
 231 #endif
 232
 233 #if defined( __cplusplus )
 234 #   define EXTERN_SYMBOL           extern "C"
 235 #else
 236 #   define EXTERN_SYMBOL
 237 #endif
 238
 239 EXTERN_SYMBOL typedef int (*vlc_set_cb) (void *, void *, int, ...);
 240
 241 #define vlc_plugin_set(...) vlc_set (opaque,   NULL, __VA_ARGS__)
 242 #define vlc_module_set(...) vlc_set (opaque, module, __VA_ARGS__)
 243 #define vlc_config_set(...) vlc_set (opaque, config, __VA_ARGS__)
 244
 245 EXTERN_SYMBOL DLL_SYMBOL
 246 int CDECL_SYMBOL VLC_SYMBOL(vlc_entry)(vlc_set_cb, void *);
 247 EXTERN_SYMBOL DLL_SYMBOL
 248 int CDECL_SYMBOL VLC_SYMBOL(vlc_entry_cfg_int_enum)(const char *name,
 249     int64_t **values, char ***descs);
 250 EXTERN_SYMBOL DLL_SYMBOL
 251 int CDECL_SYMBOL VLC_SYMBOL(vlc_entry_cfg_str_enum)(const char *name,
 252     char ***values, char ***descs);
 253
 254 /*
 255  * InitModule: this function is called once and only once, when the module
 256  * is looked at for the first time. We get the useful data from it, for
 257  * instance the module name, its shortcuts, its capabilities... we also create
 258  * a copy of its config because the module can be unloaded at any time.
 259  */
 260 #define vlc_module_begin() \
 261 EXTERN_SYMBOL DLL_SYMBOL \
 262 int CDECL_SYMBOL VLC_SYMBOL(vlc_entry)(vlc_set_cb vlc_set, void *opaque) \
 263 { \
 264     module_t *module; \
 265     module_config_t *config = NULL; \
 266     if (vlc_plugin_set (VLC_MODULE_CREATE, &module)) \
 267         goto error; \
 268     if (vlc_module_set (VLC_MODULE_NAME, (MODULE_STRING))) \
 269         goto error;
 270
 271 #define vlc_module_end() \
 272     (void) config; \
 273     return 0; \
 274 error: \
 275     return -1; \
 276 } \
 277 VLC_MODULE_NAME_HIDDEN_SYMBOL \
 278 VLC_METADATA_EXPORTS
 279
 280 #define add_submodule( ) \
 281     if (vlc_plugin_set (VLC_MODULE_CREATE, &module)) \
 282         goto error;
 283
 284 #define add_shortcut( ... ) \
 285 { \
 286     const char *shortcuts[] = { __VA_ARGS__ }; \
 287     if (vlc_module_set (VLC_MODULE_SHORTCUT, \
 288                         sizeof(shortcuts)/sizeof(shortcuts[0]), shortcuts)) \
 289         goto error; \
 290 }
 291
 292 #define set_shortname( shortname ) \
 293     if (vlc_module_set (VLC_MODULE_SHORTNAME, (const char *)(shortname))) \
 294         goto error;
 295
 296 #define set_description( desc ) \
 297     if (vlc_module_set (VLC_MODULE_DESCRIPTION, (const char *)(desc))) \
 298         goto error;
 299
 300 #define set_help( help ) \
 301     if (vlc_module_set (VLC_MODULE_HELP, (const char *)(help))) \
 302         goto error;
 303
 304 #define set_capability( cap, score ) \
 305     if (vlc_module_set (VLC_MODULE_CAPABILITY, (const char *)(cap)) \
 306      || vlc_module_set (VLC_MODULE_SCORE, (int)(score))) \
 307         goto error;
 308
 309 #define set_callback(activate) \
 310     if (vlc_module_set(VLC_MODULE_CB_OPEN, #activate, (void *)(activate))) \
 311         goto error;
 312
 313 #define set_callbacks( activate, deactivate ) \
 314     set_callback(activate) \
 315     if (vlc_module_set(VLC_MODULE_CB_CLOSE, #deactivate, \
 316                        (void (*)(vlc_object_t *)){ deactivate })) \
 317         goto error;
 318
 319 #define cannot_unload_broken_library( ) \
 320     if (vlc_module_set (VLC_MODULE_NO_UNLOAD)) \
 321         goto error;
 322
 323 #define set_text_domain( dom ) \
 324     if (vlc_plugin_set (VLC_MODULE_TEXTDOMAIN, (dom))) \
 325         goto error;
 326
 327 /*****************************************************************************
 328  * Macros used to build the configuration structure.
 329  *
 330  * Note that internally we support only 3 types of config data: int, float
 331  *   and string.
 332  *   The other types declared here just map to one of these 3 basic types but
 333  *   have the advantage of also providing very good hints to a configuration
 334  *   interface so as to make it more user friendly.
 335  * The configuration structure also includes category hints. These hints can
 336  *   provide a configuration interface with some very useful data and again
 337  *   allow for a more user friendly interface.
 338  *****************************************************************************/
 339
 340 #define add_type_inner( type ) \
 341     vlc_plugin_set (VLC_CONFIG_CREATE, (type), &config);
 342
 343 #define add_typedesc_inner( type, text, longtext ) \
 344     add_type_inner( type ) \
 345     vlc_config_set (VLC_CONFIG_DESC, \
 346                     (const char *)(text), (const char *)(longtext));
 347
 348 #define add_typename_inner(type, name, text, longtext) \
 349     add_typedesc_inner(type, text, longtext) \
 350     vlc_config_set (VLC_CONFIG_NAME, (const char *)(name));
 351
 352 #define add_string_inner(type, name, text, longtext, v) \
 353     add_typename_inner(type, name, text, longtext) \
 354     vlc_config_set (VLC_CONFIG_VALUE, (const char *)(v));
 355
 356 #define add_int_inner(type, name, text, longtext, v) \
 357     add_typename_inner(type, name, text, longtext) \
 358     vlc_config_set (VLC_CONFIG_VALUE, (int64_t)(v));
 359
 360
 361 #define set_category( i_id ) \
 362     add_type_inner( CONFIG_CATEGORY ) \
 363     vlc_config_set (VLC_CONFIG_VALUE, (int64_t)(i_id));
 364
 365 #define set_subcategory( i_id ) \
 366     add_type_inner( CONFIG_SUBCATEGORY ) \
 367     vlc_config_set (VLC_CONFIG_VALUE, (int64_t)(i_id));
 368
 369 #define set_section( text, longtext ) \
 370     add_typedesc_inner( CONFIG_SECTION, text, longtext )
 371
 372 #define add_category_hint(text, longtext) \
 373     add_typedesc_inner( CONFIG_HINT_CATEGORY, text, longtext )
 374
 375 #define add_usage_hint( text ) \
 376     add_typedesc_inner( CONFIG_HINT_USAGE, text, NULL )
 377
 378 #define add_string( name, value, text, longtext, advc ) \
 379     add_string_inner(CONFIG_ITEM_STRING, name, text, longtext, value)
 380
 381 #define add_password(name, value, text, longtext) \
 382     add_string_inner(CONFIG_ITEM_PASSWORD, name, text, longtext, value)
 383
 384 #define add_loadfile(name, value, text, longtext) \
 385     add_string_inner(CONFIG_ITEM_LOADFILE, name, text, longtext, value)
 386
 387 #define add_savefile(name, value, text, longtext) \
 388     add_string_inner(CONFIG_ITEM_SAVEFILE, name, text, longtext, value)
 389
 390 #define add_directory(name, value, text, longtext) \
 391     add_string_inner(CONFIG_ITEM_DIRECTORY, name, text, longtext, value)
 392
 393 #define add_font(name, value, text, longtext) \
 394     add_string_inner(CONFIG_ITEM_FONT, name, text, longtext, value)
 395
 396 #define add_module(name, psz_caps, value, text, longtext) \
 397     add_string_inner(CONFIG_ITEM_MODULE, name, text, longtext, value) \
 398     vlc_config_set (VLC_CONFIG_CAPABILITY, (const char *)(psz_caps));
 399
 400 #define add_module_list(name, psz_caps, value, text, longtext) \
 401     add_string_inner(CONFIG_ITEM_MODULE_LIST, name, text, longtext, value) \
 402     vlc_config_set (VLC_CONFIG_CAPABILITY, (const char *)(psz_caps));
 403
 404 #ifndef __PLUGIN__
 405 #define add_module_cat(name, i_subcategory, value, text, longtext) \
 406     add_string_inner(CONFIG_ITEM_MODULE_CAT, name, text, longtext, value) \
 407     change_integer_range (i_subcategory /* gruik */, 0);
 408
 409 #define add_module_list_cat(name, i_subcategory, value, text, longtext) \
 410     add_string_inner(CONFIG_ITEM_MODULE_LIST_CAT, name, text, longtext, \
 411                      value) \
 412     change_integer_range (i_subcategory /* gruik */, 0);
 413 #endif
 414
 415 #define add_integer( name, value, text, longtext, advc ) \
 416     add_int_inner(CONFIG_ITEM_INTEGER, name, text, longtext, value)
 417
 418 #define add_rgb(name, value, text, longtext) \
 419     add_int_inner(CONFIG_ITEM_RGB, name, text, longtext, value) \
 420     change_integer_range( 0, 0xFFFFFF )
 421
 422 #define add_key(name, value, text, longtext) \
 423     add_string_inner(CONFIG_ITEM_KEY, "global-" name, text, longtext, \
 424                      KEY_UNSET) \
 425     add_string_inner(CONFIG_ITEM_KEY, name, text, longtext, value)
 426
 427 #define add_integer_with_range( name, value, i_min, i_max, text, longtext, advc ) \
 428     add_integer( name, value, text, longtext, advc ) \
 429     change_integer_range( i_min, i_max )
 430
 431 #define add_float( name, v, text, longtext, advc ) \
 432     add_typename_inner(CONFIG_ITEM_FLOAT, name, text, longtext) \
 433     vlc_config_set (VLC_CONFIG_VALUE, (double)(v));
 434
 435 #define add_float_with_range( name, value, f_min, f_max, text, longtext, advc ) \
 436     add_float( name, value, text, longtext, advc ) \
 437     change_float_range( f_min, f_max )
 438
 439 #define add_bool( name, v, text, longtext, advc ) \
 440     add_typename_inner(CONFIG_ITEM_BOOL, name, text, longtext) \
 441     if (v) vlc_config_set (VLC_CONFIG_VALUE, (int64_t)true);
 442
 443 /* For removed option */
 444 #define add_obsolete_inner( name, type ) \
 445     add_type_inner( type ) \
 446     vlc_config_set (VLC_CONFIG_NAME, (const char *)(name)); \
 447     vlc_config_set (VLC_CONFIG_REMOVED);
 448
 449 #define add_obsolete_bool( name ) \
 450         add_obsolete_inner( name, CONFIG_ITEM_BOOL )
 451
 452 #define add_obsolete_integer( name ) \
 453         add_obsolete_inner( name, CONFIG_ITEM_INTEGER )
 454
 455 #define add_obsolete_float( name ) \
 456         add_obsolete_inner( name, CONFIG_ITEM_FLOAT )
 457
 458 #define add_obsolete_string( name ) \
 459         add_obsolete_inner( name, CONFIG_ITEM_STRING )
 460
 461 /* Modifier macros for the config options (used for fine tuning) */
 462
 463 #define change_short( ch ) \
 464     vlc_config_set (VLC_CONFIG_SHORTCUT, (int)(ch));
 465
 466 #define change_string_list( list, list_text ) \
 467     vlc_config_set (VLC_CONFIG_LIST, \
 468                     (size_t)(sizeof (list) / sizeof (char *)), \
 469                     (const char *const *)(list), \
 470                     (const char *const *)(list_text));
 471
 472 #define change_integer_list( list, list_text ) \
 473     vlc_config_set (VLC_CONFIG_LIST, \
 474                     (size_t)(sizeof (list) / sizeof (int)), \
 475                     (const int *)(list), \
 476                     (const char *const *)(list_text));
 477
 478 #define change_integer_range( minv, maxv ) \
 479     vlc_config_set (VLC_CONFIG_RANGE, (int64_t)(minv), (int64_t)(maxv));
 480
 481 #define change_float_range( minv, maxv ) \
 482     vlc_config_set (VLC_CONFIG_RANGE, (double)(minv), (double)(maxv));
 483
 484 /* For options that are saved but hidden from the preferences panel */
 485 #define change_private() \
 486     vlc_config_set (VLC_CONFIG_PRIVATE);
 487
 488 /* For options that cannot be saved in the configuration */
 489 #define change_volatile() \
 490     change_private() \
 491     vlc_config_set (VLC_CONFIG_VOLATILE);
 492
 493 #define change_safe() \
 494     vlc_config_set (VLC_CONFIG_SAFE);
 495
 496 /* Configuration item choice enumerators */
 497 #define VLC_CONFIG_INTEGER_ENUM(cb) \
 498 EXTERN_SYMBOL DLL_SYMBOL \
 499 int CDECL_SYMBOL VLC_SYMBOL(vlc_entry_cfg_int_enum)(const char *name, \
 500     int64_t **values, char ***descs) \
 501 { \
 502     return (cb)(name, values, descs); \
 503 }
 504
 505 #define VLC_CONFIG_STRING_ENUM(cb) \
 506 EXTERN_SYMBOL DLL_SYMBOL \
 507 int CDECL_SYMBOL VLC_SYMBOL(vlc_entry_cfg_str_enum)(const char *name, \
 508     char ***values, char ***descs) \
 509 { \
 510     return (cb)(name, values, descs); \
 511 }
 512
 513 /* Meta data plugin exports */
 514 #define VLC_META_EXPORT( name, value ) \
 515     EXTERN_SYMBOL DLL_SYMBOL const char * CDECL_SYMBOL \
 516     VLC_SYMBOL(vlc_entry_ ## name)(void); \
 517     EXTERN_SYMBOL DLL_SYMBOL const char * CDECL_SYMBOL \
 518     VLC_SYMBOL(vlc_entry_ ## name)(void) \
 519     { \
 520          return value; \
 521     }
 522
 523 #define VLC_API_VERSION_EXPORT \
 524     VLC_META_EXPORT(api_version, VLC_API_VERSION_STRING)
 525
 526 #define VLC_COPYRIGHT_VIDEOLAN \
 527     "\x43\x6f\x70\x79\x72\x69\x67\x68\x74\x20\x28\x43\x29\x20\x74\x68" \
 528     "\x65\x20\x56\x69\x64\x65\x6f\x4c\x41\x4e\x20\x56\x4c\x43\x20\x6d" \
 529     "\x65\x64\x69\x61\x20\x70\x6c\x61\x79\x65\x72\x20\x64\x65\x76\x65" \
 530     "\x6c\x6f\x70\x65\x72\x73"
 531 #define VLC_LICENSE_LGPL_2_1_PLUS \
 532     "\x4c\x69\x63\x65\x6e\x73\x65\x64\x20\x75\x6e\x64\x65\x72\x20\x74" \
 533     "\x68\x65\x20\x74\x65\x72\x6d\x73\x20\x6f\x66\x20\x74\x68\x65\x20" \
 534     "\x47\x4e\x55\x20\x4c\x65\x73\x73\x65\x72\x20\x47\x65\x6e\x65\x72" \
 535     "\x61\x6c\x20\x50\x75\x62\x6c\x69\x63\x20\x4c\x69\x63\x65\x6e\x73" \
 536     "\x65\x2c\x20\x76\x65\x72\x73\x69\x6f\x6e\x20\x32\x2e\x31\x20\x6f" \
 537     "\x72\x20\x6c\x61\x74\x65\x72\x2e"
 538 #define VLC_LICENSE_GPL_2_PLUS \
 539     "\x4c\x69\x63\x65\x6e\x73\x65\x64\x20\x75\x6e\x64\x65\x72\x20\x74" \
 540     "\x68\x65\x20\x74\x65\x72\x6d\x73\x20\x6f\x66\x20\x74\x68\x65\x20" \
 541     "\x47\x4e\x55\x20\x47\x65\x6e\x65\x72\x61\x6c\x20\x50\x75\x62\x6c" \
 542     "\x69\x63\x20\x4c\x69\x63\x65\x6e\x73\x65\x2c\x20\x76\x65\x72\x73" \
 543     "\x69\x6f\x6e\x20\x32\x20\x6f\x72\x20\x6c\x61\x74\x65\x72\x2e"
 544 #if defined (__LIBVLC__)
 545 # define VLC_MODULE_COPYRIGHT VLC_COPYRIGHT_VIDEOLAN
 546 # ifndef VLC_MODULE_LICENSE
 547 #  define VLC_MODULE_LICENSE VLC_LICENSE_LGPL_2_1_PLUS
 548 # endif
 549 #endif
 550
 551 #ifdef VLC_MODULE_COPYRIGHT
 552 # define VLC_COPYRIGHT_EXPORT VLC_META_EXPORT(copyright, VLC_MODULE_COPYRIGHT)
 553 #else
 554 # define VLC_COPYRIGHT_EXPORT
 555 #endif
 556 #ifdef VLC_MODULE_LICENSE
 557 # define VLC_LICENSE_EXPORT VLC_META_EXPORT(license, VLC_MODULE_LICENSE)
 558 #else
 559 # define VLC_LICENSE_EXPORT
 560 #endif
 561
 562 #define VLC_METADATA_EXPORTS \
 563     VLC_API_VERSION_EXPORT \
 564     VLC_COPYRIGHT_EXPORT \
 565     VLC_LICENSE_EXPORT
 566
 567 #endif