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vlc_plugin.h
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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 
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=int/double/const char *) */
60 
61  VLC_CONFIG_RANGE,
62  /* minimum value (args=int/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=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_SUBCATEGORY 0x03 /* Start of sub-category */
114 #define CONFIG_HINT_SUBCATEGORY_END 0x04 /* End of sub-category */
115 #define CONFIG_HINT_USAGE 0x05 /* Usage information */
116 
117 #define CONFIG_CATEGORY 0x06 /* Set category */
118 #define CONFIG_SUBCATEGORY 0x07 /* Set subcategory */
119 #define CONFIG_SECTION 0x08 /* Start of new section */
120 
121 /* Configuration item types */
122 #define CONFIG_ITEM_FLOAT 0x20 /* Float option */
123 #define CONFIG_ITEM_INTEGER 0x40 /* Integer option */
124 #define CONFIG_ITEM_RGB 0x41 /* RGB color option */
125 #define CONFIG_ITEM_BOOL 0x60 /* Bool option */
126 #define CONFIG_ITEM_STRING 0x80 /* String option */
127 #define CONFIG_ITEM_PASSWORD 0x81 /* Password option (*) */
128 #define CONFIG_ITEM_KEY 0x82 /* Hot key option */
129 #define CONFIG_ITEM_MODULE 0x84 /* Module option */
130 #define CONFIG_ITEM_MODULE_CAT 0x85 /* Module option */
131 #define CONFIG_ITEM_MODULE_LIST 0x86 /* Module option */
132 #define CONFIG_ITEM_MODULE_LIST_CAT 0x87 /* Module option */
133 #define CONFIG_ITEM_LOADFILE 0x8C /* Read file option */
134 #define CONFIG_ITEM_SAVEFILE 0x8D /* Written file option */
135 #define CONFIG_ITEM_DIRECTORY 0x8E /* Directory option */
136 #define CONFIG_ITEM_FONT 0x8F /* Font option */
137 
138 #define CONFIG_ITEM(x) (((x) & ~0xF) != 0)
139 
140 /* Categories and subcategories */
141 #define CAT_INTERFACE 1
142 #define SUBCAT_INTERFACE_GENERAL 101
143 #define SUBCAT_INTERFACE_MAIN 102
144 #define SUBCAT_INTERFACE_CONTROL 103
145 #define SUBCAT_INTERFACE_HOTKEYS 104
146 
147 #define CAT_AUDIO 2
148 #define SUBCAT_AUDIO_GENERAL 201
149 #define SUBCAT_AUDIO_AOUT 202
150 #define SUBCAT_AUDIO_AFILTER 203
151 #define SUBCAT_AUDIO_VISUAL 204
152 #define SUBCAT_AUDIO_MISC 205
153 
154 #define CAT_VIDEO 3
155 #define SUBCAT_VIDEO_GENERAL 301
156 #define SUBCAT_VIDEO_VOUT 302
157 #define SUBCAT_VIDEO_VFILTER 303
158 #define SUBCAT_VIDEO_SUBPIC 305
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 
177 #define CAT_ADVANCED 6
178 #define SUBCAT_ADVANCED_MISC 602
179 #define SUBCAT_ADVANCED_NETWORK 603
180 
181 #define CAT_PLAYLIST 7
182 #define SUBCAT_PLAYLIST_GENERAL 701
183 #define SUBCAT_PLAYLIST_SD 702
184 #define SUBCAT_PLAYLIST_EXPORT 703
185 
186 
190 # define MODULE_SYMBOL 2_1_0a
191 # define MODULE_SUFFIX "__2_1_0a"
192 
193 /*****************************************************************************
194  * Add a few defines. You do not want to read this section. Really.
195  *****************************************************************************/
196 
197 /* Explanation:
198  *
199  * if linking a module statically, we will need:
200  * #define MODULE_FUNC( zog ) module_foo_zog
201  *
202  * this can't easily be done with the C preprocessor, thus a few ugly hacks.
203  */
204 
205 /* I need to do _this_ to change « foo bar » to « module_foo_bar » ! */
206 #define CONCATENATE( y, z ) CRUDE_HACK( y, z )
207 #define CRUDE_HACK( y, z ) y##__##z
208 
209 /* If the module is built-in, then we need to define foo_InitModule instead
210  * of InitModule. Same for Activate- and DeactivateModule. */
211 #ifdef __PLUGIN__
212 # define __VLC_SYMBOL( symbol ) CONCATENATE( symbol, MODULE_SYMBOL )
213 #else
214 # define __VLC_SYMBOL( symbol ) CONCATENATE( symbol, MODULE_NAME )
215 #endif
216 
217 #define CDECL_SYMBOL
218 #if defined (__PLUGIN__)
219 # if defined (_WIN32)
220 # define DLL_SYMBOL __declspec(dllexport)
221 # undef CDECL_SYMBOL
222 # define CDECL_SYMBOL __cdecl
223 # elif VLC_GCC_VERSION(4,0)
224 # define DLL_SYMBOL __attribute__((visibility("default")))
225 # else
226 # define DLL_SYMBOL
227 # endif
228 #else
229 # define DLL_SYMBOL
230 #endif
231 
232 #if defined( __cplusplus )
233 # define EXTERN_SYMBOL extern "C"
234 #else
235 # define EXTERN_SYMBOL
236 #endif
237 
238 typedef int (*vlc_set_cb) (void *, void *, int, ...);
239 
240 #define vlc_plugin_set(...) vlc_set (opaque, NULL, __VA_ARGS__)
241 #define vlc_module_set(...) vlc_set (opaque, module, __VA_ARGS__)
242 #define vlc_config_set(...) vlc_set (opaque, config, __VA_ARGS__)
243 
244 /*
245  * InitModule: this function is called once and only once, when the module
246  * is looked at for the first time. We get the useful data from it, for
247  * instance the module name, its shortcuts, its capabilities... we also create
248  * a copy of its config because the module can be unloaded at any time.
249  */
250 #define vlc_module_begin() \
251 EXTERN_SYMBOL DLL_SYMBOL \
252 int CDECL_SYMBOL __VLC_SYMBOL(vlc_entry) (vlc_set_cb, void *); \
253 EXTERN_SYMBOL DLL_SYMBOL \
254 int CDECL_SYMBOL __VLC_SYMBOL(vlc_entry) (vlc_set_cb vlc_set, void *opaque) \
255 { \
256  module_t *module; \
257  module_config_t *config = NULL; \
258  if (vlc_plugin_set (VLC_MODULE_CREATE, &module)) \
259  goto error; \
260  if (vlc_module_set (VLC_MODULE_NAME, (MODULE_STRING))) \
261  goto error;
262 
263 #define vlc_module_end() \
264  (void) config; \
265  return 0; \
266 error: \
267  return -1; \
268 } \
269 VLC_METADATA_EXPORTS
270 
271 #define add_submodule( ) \
272  if (vlc_plugin_set (VLC_MODULE_CREATE, &module)) \
273  goto error;
274 
275 #define add_shortcut( ... ) \
276 { \
277  const char *shortcuts[] = { __VA_ARGS__ }; \
278  if (vlc_module_set (VLC_MODULE_SHORTCUT, \
279  sizeof(shortcuts)/sizeof(shortcuts[0]), shortcuts)) \
280  goto error; \
281 }
282 
283 #define set_shortname( shortname ) \
284  if (vlc_module_set (VLC_MODULE_SHORTNAME, (const char *)(shortname))) \
285  goto error;
286 
287 #define set_description( desc ) \
288  if (vlc_module_set (VLC_MODULE_DESCRIPTION, (const char *)(desc))) \
289  goto error;
290 
291 #define set_help( help ) \
292  if (vlc_module_set (VLC_MODULE_HELP, (const char *)(help))) \
293  goto error;
294 
295 #define set_capability( cap, score ) \
296  if (vlc_module_set (VLC_MODULE_CAPABILITY, (const char *)(cap)) \
297  || vlc_module_set (VLC_MODULE_SCORE, (int)(score))) \
298  goto error;
299 
300 #define set_callbacks( activate, deactivate ) \
301  if (vlc_module_set (VLC_MODULE_CB_OPEN, activate) \
302  || vlc_module_set (VLC_MODULE_CB_CLOSE, deactivate)) \
303  goto error;
304 
305 #define cannot_unload_broken_library( ) \
306  if (vlc_module_set (VLC_MODULE_NO_UNLOAD)) \
307  goto error;
308 
309 #define set_text_domain( dom ) \
310  if (vlc_plugin_set (VLC_MODULE_TEXTDOMAIN, (dom))) \
311  goto error;
312 
313 /*****************************************************************************
314  * Macros used to build the configuration structure.
315  *
316  * Note that internally we support only 3 types of config data: int, float
317  * and string.
318  * The other types declared here just map to one of these 3 basic types but
319  * have the advantage of also providing very good hints to a configuration
320  * interface so as to make it more user friendly.
321  * The configuration structure also includes category hints. These hints can
322  * provide a configuration interface with some very useful data and again
323  * allow for a more user friendly interface.
324  *****************************************************************************/
325 
326 #define add_type_inner( type ) \
327  vlc_plugin_set (VLC_CONFIG_CREATE, (type), &config);
328 
329 #define add_typedesc_inner( type, text, longtext ) \
330  add_type_inner( type ) \
331  vlc_config_set (VLC_CONFIG_DESC, \
332  (const char *)(text), (const char *)(longtext));
333 
334 #define add_typeadv_inner( type, text, longtext, advc ) \
335  add_typedesc_inner( type, text, longtext ) \
336  if (advc) vlc_config_set (VLC_CONFIG_ADVANCED);
337 
338 #define add_typename_inner( type, name, text, longtext, advc ) \
339  add_typeadv_inner( type, text, longtext, advc ) \
340  vlc_config_set (VLC_CONFIG_NAME, (const char *)(name));
341 
342 #define add_string_inner( type, name, text, longtext, advc, v ) \
343  add_typename_inner( type, name, text, longtext, advc ) \
344  vlc_config_set (VLC_CONFIG_VALUE, (const char *)(v));
345 
346 #define add_int_inner( type, name, text, longtext, advc, v ) \
347  add_typename_inner( type, name, text, longtext, advc ) \
348  vlc_config_set (VLC_CONFIG_VALUE, (int64_t)(v));
349 
350 
351 #define set_category( i_id ) \
352  add_type_inner( CONFIG_CATEGORY ) \
353  vlc_config_set (VLC_CONFIG_VALUE, (int64_t)(i_id));
354 
355 #define set_subcategory( i_id ) \
356  add_type_inner( CONFIG_SUBCATEGORY ) \
357  vlc_config_set (VLC_CONFIG_VALUE, (int64_t)(i_id));
358 
359 #define set_section( text, longtext ) \
360  add_typedesc_inner( CONFIG_SECTION, text, longtext )
361 
362 #define add_category_hint( text, longtext, advc ) \
363  add_typeadv_inner( CONFIG_HINT_CATEGORY, text, longtext, advc )
364 
365 #define add_subcategory_hint( text, longtext ) \
366  add_typedesc_inner( CONFIG_HINT_SUBCATEGORY, text, longtext )
367 
368 #define end_subcategory_hint \
369  add_type_inner( CONFIG_HINT_SUBCATEGORY_END )
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));
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));
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 #define change_action_add( pf_action, text ) \
496  (void)(pf_action, text);
497 
498 /* For options that are saved but hidden from the preferences panel */
499 #define change_private() \
500  vlc_config_set (VLC_CONFIG_PRIVATE);
501 
502 /* For options that cannot be saved in the configuration */
503 #define change_volatile() \
504  change_private() \
505  vlc_config_set (VLC_CONFIG_VOLATILE);
506 
507 #define change_safe() \
508  vlc_config_set (VLC_CONFIG_SAFE);
509 
510 /* Meta data plugin exports */
511 #define VLC_META_EXPORT( name, value ) \
512  EXTERN_SYMBOL DLL_SYMBOL const char * CDECL_SYMBOL \
513  __VLC_SYMBOL(vlc_entry_ ## name) (void); \
514  EXTERN_SYMBOL DLL_SYMBOL const char * CDECL_SYMBOL \
515  __VLC_SYMBOL(vlc_entry_ ## name) (void) \
516  { \
517  return value; \
518  }
519 
520 #if defined (__LIBVLC__)
521 # define VLC_COPYRIGHT_EXPORT VLC_META_EXPORT (copyright, \
522  "\x43\x6f\x70\x79\x72\x69\x67\x68\x74\x20\x28\x43\x29\x20\x74\x68" \
523  "\x65\x20\x56\x69\x64\x65\x6f\x4c\x41\x4e\x20\x56\x4c\x43\x20\x6d" \
524  "\x65\x64\x69\x61\x20\x70\x6c\x61\x79\x65\x72\x20\x64\x65\x76\x65" \
525  "\x6c\x6f\x70\x65\x72\x73" )
526 # define VLC_LICENSE_EXPORT VLC_META_EXPORT (license, \
527  "\x4c\x69\x63\x65\x6e\x73\x65\x64\x20\x75\x6e\x64\x65\x72\x20\x74" \
528  "\x68\x65\x20\x74\x65\x72\x6d\x73\x20\x6f\x66\x20\x74\x68\x65\x20" \
529  "\x47\x4e\x55\x20\x4c\x65\x73\x73\x65\x72\x20\x47\x65\x6e\x65\x72" \
530  "\x61\x6c\x20\x50\x75\x62\x6c\x69\x63\x20\x4c\x69\x63\x65\x6e\x73" \
531  "\x65\x2c\x20\x76\x65\x72\x73\x69\x6f\x6e\x20\x32\x2e\x31\x20\x6f" \
532  "\x72\x20\x6c\x61\x74\x65\x72\x2e" )
533 #else
534 # if !defined (VLC_COPYRIGHT_EXPORT)
535 # define VLC_COPYRIGHT_EXPORT
536 # endif
537 # if !defined (VLC_LICENSE_EXPORT)
538 # define VLC_LICENSE_EXPORT
539 # endif
540 #endif
541 
542 #define VLC_METADATA_EXPORTS \
543  VLC_COPYRIGHT_EXPORT \
544  VLC_LICENSE_EXPORT
545 
546 #endif