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,
  65     /* enable advanced flag (args=none) */
  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,
 105     /* callback for suggested values
 106      * (args=const char *, size_t (*)(vlc_object_t *, <type> **, char ***)) */
 107
 108     /* Insert new VLC_CONFIG_* here */
 109 };
 110
 111 /* Configuration hint types */
 112 #define CONFIG_HINT_CATEGORY                0x02  /* Start of new category */
 113 #define CONFIG_HINT_USAGE                   0x05  /* Usage information */
 114
 115 #define CONFIG_CATEGORY                     0x06 /* Set category */
 116 #define CONFIG_SUBCATEGORY                  0x07 /* Set subcategory */
 117 #define CONFIG_SECTION                      0x08 /* Start of new section */
 118
 119 /* Configuration item types */
 120 #define CONFIG_ITEM_FLOAT                   0x20  /* Float option */
 121 #define CONFIG_ITEM_INTEGER                 0x40  /* Integer option */
 122 #define CONFIG_ITEM_RGB                     0x41  /* RGB color option */
 123 #define CONFIG_ITEM_BOOL                    0x60  /* Bool option */
 124 #define CONFIG_ITEM_STRING                  0x80  /* String option */
 125 #define CONFIG_ITEM_PASSWORD                0x81  /* Password option (*) */
 126 #define CONFIG_ITEM_KEY                     0x82  /* Hot key option */
 127 #define CONFIG_ITEM_MODULE                  0x84  /* Module option */
 128 #define CONFIG_ITEM_MODULE_CAT              0x85  /* Module option */
 129 #define CONFIG_ITEM_MODULE_LIST             0x86  /* Module option */
 130 #define CONFIG_ITEM_MODULE_LIST_CAT         0x87  /* Module option */
 131 #define CONFIG_ITEM_LOADFILE                0x8C  /* Read file option */
 132 #define CONFIG_ITEM_SAVEFILE                0x8D  /* Written file option */
 133 #define CONFIG_ITEM_DIRECTORY               0x8E  /* Directory option */
 134 #define CONFIG_ITEM_FONT                    0x8F  /* Font option */
 135
 136 #define CONFIG_ITEM(x) (((x) & ~0xF) != 0)
 137
 138 /* Categories and subcategories */
 139 #define CAT_INTERFACE 1
 140 #define SUBCAT_INTERFACE_GENERAL 101
 141 #define SUBCAT_INTERFACE_MAIN 102
 142 #define SUBCAT_INTERFACE_CONTROL 103
 143 #define SUBCAT_INTERFACE_HOTKEYS 104
 144
 145 #define CAT_AUDIO 2
 146 #define SUBCAT_AUDIO_GENERAL 201
 147 #define SUBCAT_AUDIO_AOUT 202
 148 #define SUBCAT_AUDIO_AFILTER 203
 149 #define SUBCAT_AUDIO_VISUAL 204
 150 #define SUBCAT_AUDIO_MISC 205
 151 #define SUBCAT_AUDIO_RESAMPLER 206
 152
 153 #define CAT_VIDEO 3
 154 #define SUBCAT_VIDEO_GENERAL 301
 155 #define SUBCAT_VIDEO_VOUT 302
 156 #define SUBCAT_VIDEO_VFILTER 303
 157 #define SUBCAT_VIDEO_SUBPIC 305
 158 #define SUBCAT_VIDEO_SPLITTER 306
 159
 160 #define CAT_INPUT 4
 161 #define SUBCAT_INPUT_GENERAL 401
 162 #define SUBCAT_INPUT_ACCESS 402
 163 #define SUBCAT_INPUT_DEMUX 403
 164 #define SUBCAT_INPUT_VCODEC 404
 165 #define SUBCAT_INPUT_ACODEC 405
 166 #define SUBCAT_INPUT_SCODEC 406
 167 #define SUBCAT_INPUT_STREAM_FILTER 407
 168
 169 #define CAT_SOUT 5
 170 #define SUBCAT_SOUT_GENERAL 501
 171 #define SUBCAT_SOUT_STREAM 502
 172 #define SUBCAT_SOUT_MUX 503
 173 #define SUBCAT_SOUT_ACO 504
 174 #define SUBCAT_SOUT_PACKETIZER 505
 175 #define SUBCAT_SOUT_VOD 507
 176 #define SUBCAT_SOUT_RENDERER 508
 177
 178 #define CAT_ADVANCED 6
 179 #define SUBCAT_ADVANCED_MISC 602
 180 #define SUBCAT_ADVANCED_NETWORK 603
 181
 182 #define CAT_PLAYLIST 7
 183 #define SUBCAT_PLAYLIST_GENERAL 701
 184 #define SUBCAT_PLAYLIST_SD 702
 185 #define SUBCAT_PLAYLIST_EXPORT 703
 186
 187
 188 /**
 189  * Current plugin ABI version
 190  */
 191 # define MODULE_SYMBOL 3_0_0f
 192 # define MODULE_SUFFIX "__3_0_0f"
 193
 194 /*****************************************************************************
 195  * Add a few defines. You do not want to read this section. Really.
 196  *****************************************************************************/
 197
 198 /* Explanation:
 199  *
 200  * if linking a module statically, we will need:
 201  * #define MODULE_FUNC( zog ) module_foo_zog
 202  *
 203  * this can't easily be done with the C preprocessor, thus a few ugly hacks.
 204  */
 205
 206 /* I need to do _this_ to change « foo bar » to « module_foo_bar » ! */
 207 #define CONCATENATE( y, z ) CRUDE_HACK( y, z )
 208 #define CRUDE_HACK( y, z )  y##__##z
 209
 210 /* If the module is built-in, then we need to define foo_InitModule instead
 211  * of InitModule. Same for Activate- and DeactivateModule. */
 212 #ifdef __PLUGIN__
 213 # define __VLC_SYMBOL( symbol  ) CONCATENATE( symbol, MODULE_SYMBOL )
 214 # define VLC_MODULE_NAME_HIDDEN_SYMBOL \
 215     const char vlc_module_name[] = MODULE_STRING;
 216 #else
 217 # define __VLC_SYMBOL( symbol )  CONCATENATE( symbol, MODULE_NAME )
 218 # define VLC_MODULE_NAME_HIDDEN_SYMBOL
 219 #endif
 220
 221 #define CDECL_SYMBOL
 222 #if defined (__PLUGIN__)
 223 # if defined (_WIN32)
 224 #   define DLL_SYMBOL              __declspec(dllexport)
 225 #   undef CDECL_SYMBOL
 226 #   define CDECL_SYMBOL            __cdecl
 227 # elif defined (__GNUC__)
 228 #   define DLL_SYMBOL              __attribute__((visibility("default")))
 229 # else
 230 #  define DLL_SYMBOL
 231 # endif
 232 #else
 233 # define DLL_SYMBOL
 234 #endif
 235
 236 #if defined( __cplusplus )
 237 #   define EXTERN_SYMBOL           extern "C"
 238 #else
 239 #   define EXTERN_SYMBOL
 240 #endif
 241
 242 EXTERN_SYMBOL typedef int (*vlc_set_cb) (void *, void *, int, ...);
 243
 244 #define vlc_plugin_set(...) vlc_set (opaque,   NULL, __VA_ARGS__)
 245 #define vlc_module_set(...) vlc_set (opaque, module, __VA_ARGS__)
 246 #define vlc_config_set(...) vlc_set (opaque, config, __VA_ARGS__)
 247
 248 /*
 249  * InitModule: this function is called once and only once, when the module
 250  * is looked at for the first time. We get the useful data from it, for
 251  * instance the module name, its shortcuts, its capabilities... we also create
 252  * a copy of its config because the module can be unloaded at any time.
 253  */
 254 #define vlc_module_begin() \
 255 EXTERN_SYMBOL DLL_SYMBOL \
 256 int CDECL_SYMBOL __VLC_SYMBOL(vlc_entry) (vlc_set_cb, void *); \
 257 EXTERN_SYMBOL DLL_SYMBOL \
 258 int CDECL_SYMBOL __VLC_SYMBOL(vlc_entry) (vlc_set_cb vlc_set, void *opaque) \
 259 { \
 260     module_t *module; \
 261     module_config_t *config = NULL; \
 262     if (vlc_plugin_set (VLC_MODULE_CREATE, &module)) \
 263         goto error; \
 264     if (vlc_module_set (VLC_MODULE_NAME, (MODULE_STRING))) \
 265         goto error;
 266
 267 #define vlc_module_end() \
 268     (void) config; \
 269     return 0; \
 270 error: \
 271     return -1; \
 272 } \
 273 VLC_MODULE_NAME_HIDDEN_SYMBOL \
 274 VLC_METADATA_EXPORTS
 275
 276 #define add_submodule( ) \
 277     if (vlc_plugin_set (VLC_MODULE_CREATE, &module)) \
 278         goto error;
 279
 280 #define add_shortcut( ... ) \
 281 { \
 282     const char *shortcuts[] = { __VA_ARGS__ }; \
 283     if (vlc_module_set (VLC_MODULE_SHORTCUT, \
 284                         sizeof(shortcuts)/sizeof(shortcuts[0]), shortcuts)) \
 285         goto error; \
 286 }
 287
 288 #define set_shortname( shortname ) \
 289     if (vlc_module_set (VLC_MODULE_SHORTNAME, (const char *)(shortname))) \
 290         goto error;
 291
 292 #define set_description( desc ) \
 293     if (vlc_module_set (VLC_MODULE_DESCRIPTION, (const char *)(desc))) \
 294         goto error;
 295
 296 #define set_help( help ) \
 297     if (vlc_module_set (VLC_MODULE_HELP, (const char *)(help))) \
 298         goto error;
 299
 300 #define set_capability( cap, score ) \
 301     if (vlc_module_set (VLC_MODULE_CAPABILITY, (const char *)(cap)) \
 302      || vlc_module_set (VLC_MODULE_SCORE, (int)(score))) \
 303         goto error;
 304
 305 #define set_callbacks( activate, deactivate ) \
 306     if (vlc_module_set(VLC_MODULE_CB_OPEN, #activate, (void *)(activate)) \
 307      || vlc_module_set(VLC_MODULE_CB_CLOSE, #deactivate, \
 308                        (void *)(deactivate))) \
 309         goto error;
 310
 311 #define cannot_unload_broken_library( ) \
 312     if (vlc_module_set (VLC_MODULE_NO_UNLOAD)) \
 313         goto error;
 314
 315 #define set_text_domain( dom ) \
 316     if (vlc_plugin_set (VLC_MODULE_TEXTDOMAIN, (dom))) \
 317         goto error;
 318
 319 /*****************************************************************************
 320  * Macros used to build the configuration structure.
 321  *
 322  * Note that internally we support only 3 types of config data: int, float
 323  *   and string.
 324  *   The other types declared here just map to one of these 3 basic types but
 325  *   have the advantage of also providing very good hints to a configuration
 326  *   interface so as to make it more user friendly.
 327  * The configuration structure also includes category hints. These hints can
 328  *   provide a configuration interface with some very useful data and again
 329  *   allow for a more user friendly interface.
 330  *****************************************************************************/
 331
 332 #define add_type_inner( type ) \
 333     vlc_plugin_set (VLC_CONFIG_CREATE, (type), &config);
 334
 335 #define add_typedesc_inner( type, text, longtext ) \
 336     add_type_inner( type ) \
 337     vlc_config_set (VLC_CONFIG_DESC, \
 338                     (const char *)(text), (const char *)(longtext));
 339
 340 #define add_typeadv_inner( type, text, longtext, advc ) \
 341     add_typedesc_inner( type, text, longtext ) \
 342     if (advc) vlc_config_set (VLC_CONFIG_ADVANCED);
 343
 344 #define add_typename_inner( type, name, text, longtext, advc ) \
 345     add_typeadv_inner( type, text, longtext, advc ) \
 346     vlc_config_set (VLC_CONFIG_NAME, (const char *)(name));
 347
 348 #define add_string_inner( type, name, text, longtext, advc, v ) \
 349     add_typename_inner( type, name, text, longtext, advc ) \
 350     vlc_config_set (VLC_CONFIG_VALUE, (const char *)(v));
 351
 352 #define add_int_inner( type, name, text, longtext, advc, v ) \
 353     add_typename_inner( type, name, text, longtext, advc ) \
 354     vlc_config_set (VLC_CONFIG_VALUE, (int64_t)(v));
 355
 356
 357 #define set_category( i_id ) \
 358     add_type_inner( CONFIG_CATEGORY ) \
 359     vlc_config_set (VLC_CONFIG_VALUE, (int64_t)(i_id));
 360
 361 #define set_subcategory( i_id ) \
 362     add_type_inner( CONFIG_SUBCATEGORY ) \
 363     vlc_config_set (VLC_CONFIG_VALUE, (int64_t)(i_id));
 364
 365 #define set_section( text, longtext ) \
 366     add_typedesc_inner( CONFIG_SECTION, text, longtext )
 367
 368 #define add_category_hint( text, longtext, advc ) \
 369     add_typeadv_inner( CONFIG_HINT_CATEGORY, text, longtext, advc )
 370
 371 #define add_usage_hint( text ) \
 372     add_typedesc_inner( CONFIG_HINT_USAGE, text, NULL )
 373
 374 #define add_string( name, value, text, longtext, advc ) \
 375     add_string_inner( CONFIG_ITEM_STRING, name, text, longtext, advc, \
 376                       value )
 377
 378 #define add_password( name, value, text, longtext, advc ) \
 379     add_string_inner( CONFIG_ITEM_PASSWORD, name, text, longtext, advc, \
 380                       value )
 381
 382 #define add_loadfile( name, value, text, longtext, advc ) \
 383     add_string_inner( CONFIG_ITEM_LOADFILE, name, text, longtext, advc, \
 384                       value )
 385
 386 #define add_savefile( name, value, text, longtext, advc ) \
 387     add_string_inner( CONFIG_ITEM_SAVEFILE, name, text, longtext, advc, \
 388                       value )
 389
 390 #define add_directory( name, value, text, longtext, advc ) \
 391     add_string_inner( CONFIG_ITEM_DIRECTORY, name, text, longtext, advc, \
 392                       value )
 393
 394 #define add_font( name, value, text, longtext, advc )\
 395     add_string_inner( CONFIG_ITEM_FONT, name, text, longtext, advc, \
 396                       value )
 397
 398 #define add_module( name, psz_caps, value, text, longtext, advc ) \
 399     add_string_inner( CONFIG_ITEM_MODULE, name, text, longtext, advc, \
 400                       value ) \
 401     vlc_config_set (VLC_CONFIG_CAPABILITY, (const char *)(psz_caps));
 402
 403 #define add_module_list( name, psz_caps, value, text, longtext, advc ) \
 404     add_string_inner( CONFIG_ITEM_MODULE_LIST, name, text, longtext, advc, \
 405                       value ) \
 406     vlc_config_set (VLC_CONFIG_CAPABILITY, (const char *)(psz_caps));
 407
 408 #ifndef __PLUGIN__
 409 #define add_module_cat( name, i_subcategory, value, text, longtext, advc ) \
 410     add_string_inner( CONFIG_ITEM_MODULE_CAT, name, text, longtext, advc, \
 411                       value ) \
 412     change_integer_range (i_subcategory /* gruik */, 0);
 413
 414 #define add_module_list_cat( name, i_subcategory, value, text, longtext, advc ) \
 415     add_string_inner( CONFIG_ITEM_MODULE_LIST_CAT, name, text, longtext, \
 416                       advc, value ) \
 417     change_integer_range (i_subcategory /* gruik */, 0);
 418 #endif
 419
 420 #define add_integer( name, value, text, longtext, advc ) \
 421     add_int_inner( CONFIG_ITEM_INTEGER, name, text, longtext, advc, value )
 422
 423 #define add_rgb( name, value, text, longtext, advc ) \
 424     add_int_inner( CONFIG_ITEM_RGB, name, text, longtext, advc, value ) \
 425     change_integer_range( 0, 0xFFFFFF )
 426
 427 #define add_key( name, value, text, longtext, advc ) \
 428     add_string_inner( CONFIG_ITEM_KEY, "global-" name, text, longtext, advc, \
 429                    KEY_UNSET ) \
 430     add_string_inner( CONFIG_ITEM_KEY, name, text, longtext, advc, value )
 431
 432 #define add_integer_with_range( name, value, i_min, i_max, text, longtext, advc ) \
 433     add_integer( name, value, text, longtext, advc ) \
 434     change_integer_range( i_min, i_max )
 435
 436 #define add_float( name, v, text, longtext, advc ) \
 437     add_typename_inner( CONFIG_ITEM_FLOAT, name, text, longtext, advc ) \
 438     vlc_config_set (VLC_CONFIG_VALUE, (double)(v));
 439
 440 #define add_float_with_range( name, value, f_min, f_max, text, longtext, advc ) \
 441     add_float( name, value, text, longtext, advc ) \
 442     change_float_range( f_min, f_max )
 443
 444 #define add_bool( name, v, text, longtext, advc ) \
 445     add_typename_inner( CONFIG_ITEM_BOOL, name, text, longtext, advc ) \
 446     if (v) vlc_config_set (VLC_CONFIG_VALUE, (int64_t)true);
 447
 448 /* For removed option */
 449 #define add_obsolete_inner( name, type ) \
 450     add_type_inner( type ) \
 451     vlc_config_set (VLC_CONFIG_NAME, (const char *)(name)); \
 452     vlc_config_set (VLC_CONFIG_REMOVED);
 453
 454 #define add_obsolete_bool( name ) \
 455         add_obsolete_inner( name, CONFIG_ITEM_BOOL )
 456
 457 #define add_obsolete_integer( name ) \
 458         add_obsolete_inner( name, CONFIG_ITEM_INTEGER )
 459
 460 #define add_obsolete_float( name ) \
 461         add_obsolete_inner( name, CONFIG_ITEM_FLOAT )
 462
 463 #define add_obsolete_string( name ) \
 464         add_obsolete_inner( name, CONFIG_ITEM_STRING )
 465
 466 /* Modifier macros for the config options (used for fine tuning) */
 467
 468 #define change_short( ch ) \
 469     vlc_config_set (VLC_CONFIG_SHORTCUT, (int)(ch));
 470
 471 #define change_string_list( list, list_text ) \
 472     vlc_config_set (VLC_CONFIG_LIST, \
 473                     (size_t)(sizeof (list) / sizeof (char *)), \
 474                     (const char *const *)(list), \
 475                     (const char *const *)(list_text));
 476
 477 #define change_string_cb( cb ) \
 478     vlc_config_set (VLC_CONFIG_LIST_CB, #cb, (void *)(cb));
 479
 480 #define change_integer_list( list, list_text ) \
 481     vlc_config_set (VLC_CONFIG_LIST, \
 482                     (size_t)(sizeof (list) / sizeof (int)), \
 483                     (const int *)(list), \
 484                     (const char *const *)(list_text));
 485
 486 #define change_integer_cb( cb ) \
 487     vlc_config_set (VLC_CONFIG_LIST_CB, #cb, (cb));
 488
 489 #define change_integer_range( minv, maxv ) \
 490     vlc_config_set (VLC_CONFIG_RANGE, (int64_t)(minv), (int64_t)(maxv));
 491
 492 #define change_float_range( minv, maxv ) \
 493     vlc_config_set (VLC_CONFIG_RANGE, (double)(minv), (double)(maxv));
 494
 495 /* For options that are saved but hidden from the preferences panel */
 496 #define change_private() \
 497     vlc_config_set (VLC_CONFIG_PRIVATE);
 498
 499 /* For options that cannot be saved in the configuration */
 500 #define change_volatile() \
 501     change_private() \
 502     vlc_config_set (VLC_CONFIG_VOLATILE);
 503
 504 #define change_safe() \
 505     vlc_config_set (VLC_CONFIG_SAFE);
 506
 507 /* Meta data plugin exports */
 508 #define VLC_META_EXPORT( name, value ) \
 509     EXTERN_SYMBOL DLL_SYMBOL const char * CDECL_SYMBOL \
 510     __VLC_SYMBOL(vlc_entry_ ## name) (void); \
 511     EXTERN_SYMBOL DLL_SYMBOL const char * CDECL_SYMBOL \
 512     __VLC_SYMBOL(vlc_entry_ ## name) (void) \
 513     { \
 514          return value; \
 515     }
 516
 517 #define VLC_COPYRIGHT_VIDEOLAN \
 518     "\x43\x6f\x70\x79\x72\x69\x67\x68\x74\x20\x28\x43\x29\x20\x74\x68" \
 519     "\x65\x20\x56\x69\x64\x65\x6f\x4c\x41\x4e\x20\x56\x4c\x43\x20\x6d" \
 520     "\x65\x64\x69\x61\x20\x70\x6c\x61\x79\x65\x72\x20\x64\x65\x76\x65" \
 521     "\x6c\x6f\x70\x65\x72\x73"
 522 #define VLC_LICENSE_LGPL_2_1_PLUS \
 523     "\x4c\x69\x63\x65\x6e\x73\x65\x64\x20\x75\x6e\x64\x65\x72\x20\x74" \
 524     "\x68\x65\x20\x74\x65\x72\x6d\x73\x20\x6f\x66\x20\x74\x68\x65\x20" \
 525     "\x47\x4e\x55\x20\x4c\x65\x73\x73\x65\x72\x20\x47\x65\x6e\x65\x72" \
 526     "\x61\x6c\x20\x50\x75\x62\x6c\x69\x63\x20\x4c\x69\x63\x65\x6e\x73" \
 527     "\x65\x2c\x20\x76\x65\x72\x73\x69\x6f\x6e\x20\x32\x2e\x31\x20\x6f" \
 528     "\x72\x20\x6c\x61\x74\x65\x72\x2e"
 529 #define VLC_LICENSE_GPL_2_PLUS \
 530     "\x4c\x69\x63\x65\x6e\x73\x65\x64\x20\x75\x6e\x64\x65\x72\x20\x74" \
 531     "\x68\x65\x20\x74\x65\x72\x6d\x73\x20\x6f\x66\x20\x74\x68\x65\x20" \
 532     "\x47\x4e\x55\x20\x47\x65\x6e\x65\x72\x61\x6c\x20\x50\x75\x62\x6c" \
 533     "\x69\x63\x20\x4c\x69\x63\x65\x6e\x73\x65\x2c\x20\x76\x65\x72\x73" \
 534     "\x69\x6f\x6e\x20\x32\x20\x6f\x72\x20\x6c\x61\x74\x65\x72\x2e"
 535 #if defined (__LIBVLC__)
 536 # define VLC_MODULE_COPYRIGHT VLC_COPYRIGHT_VIDEOLAN
 537 # ifndef VLC_MODULE_LICENSE
 538 #  define VLC_MODULE_LICENSE VLC_LICENSE_LGPL_2_1_PLUS
 539 # endif
 540 #endif
 541
 542 #ifdef VLC_MODULE_COPYRIGHT
 543 # define VLC_COPYRIGHT_EXPORT VLC_META_EXPORT(copyright, VLC_MODULE_COPYRIGHT)
 544 #else
 545 # define VLC_COPYRIGHT_EXPORT
 546 #endif
 547 #ifdef VLC_MODULE_LICENSE
 548 # define VLC_LICENSE_EXPORT VLC_META_EXPORT(license, VLC_MODULE_LICENSE)
 549 #else
 550 # define VLC_LICENSE_EXPORT
 551 #endif
 552
 553 #define VLC_METADATA_EXPORTS \
 554     VLC_COPYRIGHT_EXPORT \
 555     VLC_LICENSE_EXPORT
 556
 557 #endif