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- /*****************************************************************************
- * vlc_plugin.h : Macros used from within a module.
- *****************************************************************************
- * Copyright (C) 2001-2006 the VideoLAN team
- * Copyright © 2007-2009 Rémi Denis-Courmont
- *
- * Authors: Samuel Hocevar <sam@zoy.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
-
- #ifndef LIBVLC_MODULES_MACROS_H
- # define LIBVLC_MODULES_MACROS_H 1
-
- /**
- * \file
- * This file implements plugin (module) macros used to define a vlc module.
- */
-
- VLC_EXPORT( int, vlc_plugin_set, (module_t *, module_config_t *, int, ...) );
-
- #define vlc_module_set( mod, ... ) vlc_plugin_set ((mod), NULL, __VA_ARGS__)
- #define vlc_config_set( cfg, ... ) vlc_plugin_set (NULL, (cfg), __VA_ARGS__)
-
- enum vlc_module_properties
- {
- VLC_SUBMODULE_CREATE,
- VLC_CONFIG_CREATE,
-
- /* DO NOT EVER REMOVE, INSERT OR REPLACE ANY ITEM! It would break the ABI!
- * Append new items at the end ONLY. */
- VLC_MODULE_CPU_REQUIREMENT=0x100,
- VLC_MODULE_SHORTCUT,
- VLC_MODULE_CAPABILITY,
- VLC_MODULE_SCORE,
- VLC_MODULE_CB_OPEN,
- VLC_MODULE_CB_CLOSE,
- VLC_MODULE_NO_UNLOAD,
- VLC_MODULE_NAME,
- VLC_MODULE_SHORTNAME,
- VLC_MODULE_DESCRIPTION,
- VLC_MODULE_HELP,
- /* Insert new VLC_MODULE_* here */
-
- /* DO NOT EVER REMOVE, INSERT OR REPLACE ANY ITEM! It would break the ABI!
- * Append new items at the end ONLY. */
- VLC_CONFIG_NAME=0x1000,
- /* command line name (args=const char *, vlc_callback_t) */
-
- VLC_CONFIG_VALUE,
- /* actual value (args=int/double/const char *) */
-
- VLC_CONFIG_RANGE,
- /* minimum value (args=int/double/const char * twice) */
-
- VLC_CONFIG_ADVANCED,
- /* enable advanced flag (args=none) */
-
- VLC_CONFIG_VOLATILE,
- /* don't write variable to storage (args=none) */
-
- VLC_CONFIG_PERSISTENT,
- /* always write variable to storage (args=none) */
-
- VLC_CONFIG_RESTART,
- /* restart required to apply value change (args=none) */
-
- VLC_CONFIG_PRIVATE,
- /* hide from user (args=none) */
-
- VLC_CONFIG_REMOVED,
- /* tag as no longer supported (args=none) */
-
- VLC_CONFIG_CAPABILITY,
- /* capability for a module or list thereof (args=const char*) */
-
- VLC_CONFIG_SHORTCUT,
- /* one-character (short) command line option name (args=char) */
-
- VLC_CONFIG_OLDNAME,
- /* former option name (args=const char *) */
-
- VLC_CONFIG_SAFE,
- /* tag as modifiable by untrusted input item "sources" (args=none) */
-
- VLC_CONFIG_DESC,
- /* description (args=const char *, const char *, const char *) */
-
- VLC_CONFIG_LIST,
- /* possible values list
- * (args=const char *, size_t, const <type> *, const char *const *) */
-
- VLC_CONFIG_ADD_ACTION,
- /* add value change callback
- * (args=const char *, vlc_callback_t, const char *) */
-
- /* Insert new VLC_CONFIG_* here */
- };
-
- /*****************************************************************************
- * If we are not within a module, assume we're in the vlc core.
- *****************************************************************************/
- #if !defined( __PLUGIN__ ) && !defined( __BUILTIN__ )
- # define MODULE_NAME main
- #endif
-
- /**
- * Current plugin ABI version
- */
- # define MODULE_SYMBOL 1_0_0e
- # define MODULE_SUFFIX "__1_0_0e"
-
- /*****************************************************************************
- * Add a few defines. You do not want to read this section. Really.
- *****************************************************************************/
-
- /* Explanation:
- *
- * if linking a module statically, we will need:
- * #define MODULE_FUNC( zog ) module_foo_zog
- *
- * this can't easily be done with the C preprocessor, thus a few ugly hacks.
- */
-
- /* I need to do _this_ to change « foo bar » to « module_foo_bar » ! */
- #define CONCATENATE( y, z ) CRUDE_HACK( y, z )
- #define CRUDE_HACK( y, z ) y##__##z
-
- /* If the module is built-in, then we need to define foo_InitModule instead
- * of InitModule. Same for Activate- and DeactivateModule. */
- #ifdef __PLUGIN__
- # define __VLC_SYMBOL( symbol ) CONCATENATE( symbol, MODULE_SYMBOL )
- #else
- # define __VLC_SYMBOL( symbol ) CONCATENATE( symbol, MODULE_NAME )
- #endif
-
- #if defined( __PLUGIN__ ) && ( defined( WIN32 ) || defined( UNDER_CE ) )
- # define DLL_SYMBOL __declspec(dllexport)
- # define CDECL_SYMBOL __cdecl
- #else
- # define DLL_SYMBOL
- # define CDECL_SYMBOL
- #endif
-
- #if defined( __cplusplus )
- # define EXTERN_SYMBOL extern "C"
- #else
- # define EXTERN_SYMBOL
- #endif
-
- /*
- * InitModule: this function is called once and only once, when the module
- * is looked at for the first time. We get the useful data from it, for
- * instance the module name, its shortcuts, its capabilities... we also create
- * a copy of its config because the module can be unloaded at any time.
- */
- #define vlc_module_begin( ) \
- EXTERN_SYMBOL DLL_SYMBOL int CDECL_SYMBOL \
- __VLC_SYMBOL(vlc_entry) ( module_t *p_module ); \
- \
- EXTERN_SYMBOL DLL_SYMBOL int CDECL_SYMBOL \
- __VLC_SYMBOL(vlc_entry) ( module_t *p_module ) \
- { \
- module_config_t *p_config = NULL; \
- const char *domain = NULL; \
- if (vlc_module_set (p_module, VLC_MODULE_NAME, \
- (const char *)(MODULE_STRING))) \
- goto error; \
- { \
- module_t *p_submodule = p_module;
-
- #define vlc_module_end( ) \
- } \
- (void)p_config; \
- return VLC_SUCCESS; \
- \
- error: \
- return VLC_EGENERIC; \
- } \
- VLC_METADATA_EXPORTS
-
- #define add_submodule( ) \
- if (vlc_plugin_set (p_module, NULL, VLC_SUBMODULE_CREATE, &p_submodule)) \
- goto error;
-
- #define add_requirement( cap ) \
- if (vlc_module_set (p_module, VLC_MODULE_CPU_REQUIREMENT, \
- (int)(CPU_CAPABILITY_##cap))) \
- goto error;
-
- #define add_shortcut( shortcut ) \
- if (vlc_module_set (p_submodule, VLC_MODULE_SHORTCUT, \
- (const char *)(shortcut))) \
- goto error;
-
- #define set_shortname( shortname ) \
- if (vlc_module_set (p_submodule, VLC_MODULE_SHORTNAME, domain, \
- (const char *)(shortname))) \
- goto error;
-
- #define set_description( desc ) \
- if (vlc_module_set (p_submodule, VLC_MODULE_DESCRIPTION, domain, \
- (const char *)(desc))) \
- goto error;
-
- #define set_help( help ) \
- if (vlc_module_set (p_submodule, VLC_MODULE_HELP, domain, \
- (const char *)(help))) \
- goto error;
-
- #define set_capability( cap, score ) \
- if (vlc_module_set (p_submodule, VLC_MODULE_CAPABILITY, \
- (const char *)(cap)) \
- || vlc_module_set (p_submodule, VLC_MODULE_SCORE, (int)(score))) \
- goto error;
-
- #define set_callbacks( activate, deactivate ) \
- if (vlc_module_set (p_submodule, VLC_MODULE_CB_OPEN, activate) \
- || vlc_module_set (p_submodule, VLC_MODULE_CB_CLOSE, deactivate)) \
- goto error;
-
- #define linked_with_a_crap_library_which_uses_atexit( ) \
- if (vlc_module_set (p_submodule, VLC_MODULE_NO_UNLOAD)) \
- goto error;
-
- #define set_text_domain( dom ) domain = (dom);
-
- /*****************************************************************************
- * Macros used to build the configuration structure.
- *
- * Note that internally we support only 3 types of config data: int, float
- * and string.
- * The other types declared here just map to one of these 3 basic types but
- * have the advantage of also providing very good hints to a configuration
- * interface so as to make it more user friendly.
- * The configuration structure also includes category hints. These hints can
- * provide a configuration interface with some very useful data and again
- * allow for a more user friendly interface.
- *****************************************************************************/
-
- #define add_type_inner( type ) \
- vlc_plugin_set (p_module, NULL, VLC_CONFIG_CREATE, (type), &p_config);
-
- #define add_typedesc_inner( type, text, longtext ) \
- add_type_inner( type ) \
- vlc_config_set (p_config, VLC_CONFIG_DESC, domain, \
- (const char *)(text), (const char *)(longtext));
-
- #define add_typeadv_inner( type, text, longtext, advc ) \
- add_typedesc_inner( type, text, longtext ) \
- if (advc) vlc_config_set (p_config, VLC_CONFIG_ADVANCED);
-
- #define add_typename_inner( type, name, text, longtext, advc, cb ) \
- add_typeadv_inner( type, text, longtext, advc ) \
- vlc_config_set (p_config, VLC_CONFIG_NAME, \
- (const char *)(name), (vlc_callback_t)(cb));
-
- #define add_string_inner( type, name, text, longtext, advc, cb, v ) \
- add_typename_inner( type, name, text, longtext, advc, cb ) \
- vlc_config_set (p_config, VLC_CONFIG_VALUE, (const char *)(v));
-
- #define add_int_inner( type, name, text, longtext, advc, cb, v ) \
- add_typename_inner( type, name, text, longtext, advc, cb ) \
- vlc_config_set (p_config, VLC_CONFIG_VALUE, (int)(v));
-
-
- #define set_category( i_id ) \
- add_type_inner( CONFIG_CATEGORY ) \
- vlc_config_set (p_config, VLC_CONFIG_VALUE, (int)(i_id));
-
- #define set_subcategory( i_id ) \
- add_type_inner( CONFIG_SUBCATEGORY ) \
- vlc_config_set (p_config, VLC_CONFIG_VALUE, (int)(i_id));
-
- #define set_section( text, longtext ) \
- add_typedesc_inner( CONFIG_SECTION, text, longtext )
-
- #define add_category_hint( text, longtext, advc ) \
- add_typeadv_inner( CONFIG_HINT_CATEGORY, text, longtext, advc )
-
- #define add_subcategory_hint( text, longtext ) \
- add_typedesc_inner( CONFIG_HINT_SUBCATEGORY, text, longtext )
-
- #define end_subcategory_hint \
- add_type_inner( CONFIG_HINT_SUBCATEGORY_END )
-
- #define add_usage_hint( text ) \
- add_typedesc_inner( CONFIG_HINT_USAGE, text, NULL )
-
- #define add_string( name, value, p_callback, text, longtext, advc ) \
- add_string_inner( CONFIG_ITEM_STRING, name, text, longtext, advc, \
- p_callback, value )
-
- #define add_password( name, value, p_callback, text, longtext, advc ) \
- add_string_inner( CONFIG_ITEM_PASSWORD, name, text, longtext, advc, \
- p_callback, value )
-
- #define add_file( name, value, p_callback, text, longtext, advc ) \
- add_string_inner( CONFIG_ITEM_FILE, name, text, longtext, advc, \
- p_callback, value )
-
- #define add_directory( name, value, p_callback, text, longtext, advc ) \
- add_string_inner( CONFIG_ITEM_DIRECTORY, name, text, longtext, advc, \
- p_callback, value )
-
- #define add_module( name, psz_caps, value, p_callback, text, longtext, advc ) \
- add_string_inner( CONFIG_ITEM_MODULE, name, text, longtext, advc, \
- p_callback, value ) \
- vlc_config_set (p_config, VLC_CONFIG_CAPABILITY, (const char *)(psz_caps));
-
- #define add_module_list( name, psz_caps, value, p_callback, text, longtext, advc ) \
- add_string_inner( CONFIG_ITEM_MODULE_LIST, name, text, longtext, advc, \
- p_callback, value ) \
- vlc_config_set (p_config, VLC_CONFIG_CAPABILITY, (const char *)(psz_caps));
-
- #ifndef __PLUGIN__
- #define add_module_cat( name, i_subcategory, value, p_callback, text, longtext, advc ) \
- add_string_inner( CONFIG_ITEM_MODULE_CAT, name, text, longtext, advc, \
- p_callback, value ) \
- change_integer_range (i_subcategory /* gruik */, 0);
-
- #define add_module_list_cat( name, i_subcategory, value, p_callback, text, longtext, advc ) \
- add_string_inner( CONFIG_ITEM_MODULE_LIST_CAT, name, text, longtext, \
- advc, p_callback, value ) \
- change_integer_range (i_subcategory /* gruik */, 0);
- #endif
-
- #define add_integer( name, value, p_callback, text, longtext, advc ) \
- add_int_inner( CONFIG_ITEM_INTEGER, name, text, longtext, advc, \
- p_callback, value )
-
- #if !defined(WIN32) && !defined(SYS_LINUX)
- #define add_key( name, value, p_callback, text, longtext, advc ) \
- add_int_inner( CONFIG_ITEM_KEY, name, text, longtext, advc, p_callback, \
- value )
- #else
- #define add_key( name, value, p_callback, text, longtext, advc ) \
- add_int_inner( CONFIG_ITEM_KEY, name, text, longtext, advc, \
- p_callback, value ) \
- add_int_inner( CONFIG_ITEM_KEY, "global-" name, text, longtext, advc, \
- p_callback, KEY_UNSET )
- #endif
-
- #define add_integer_with_range( name, value, i_min, i_max, p_callback, text, longtext, advc ) \
- add_integer( name, value, p_callback, text, longtext, advc ) \
- change_integer_range( i_min, i_max )
-
- #define add_float( name, v, p_callback, text, longtext, advc ) \
- add_typename_inner( CONFIG_ITEM_FLOAT, name, text, longtext, advc, p_callback ) \
- vlc_config_set (p_config, VLC_CONFIG_VALUE, (double)(v));
-
- #define add_float_with_range( name, value, f_min, f_max, p_callback, text, longtext, advc ) \
- add_float( name, value, p_callback, text, longtext, advc ) \
- change_float_range( f_min, f_max )
-
- #define add_bool( name, v, p_callback, text, longtext, advc ) \
- add_typename_inner( CONFIG_ITEM_BOOL, name, text, longtext, advc, \
- p_callback ) \
- if (v) vlc_config_set (p_config, VLC_CONFIG_VALUE, (int)true);
-
- /* For removed option */
- #define add_obsolete_inner( name, type ) \
- add_type_inner( type ) \
- vlc_config_set (p_config, VLC_CONFIG_NAME, \
- (const char *)(name), (vlc_callback_t)NULL); \
- vlc_config_set (p_config, VLC_CONFIG_REMOVED);
-
- #define add_obsolete_bool( name ) \
- add_obsolete_inner( name, CONFIG_ITEM_BOOL )
-
- #define add_obsolete_integer( name ) \
- add_obsolete_inner( name, CONFIG_ITEM_INTEGER )
-
- #define add_obsolete_float( name ) \
- add_obsolete_inner( name, CONFIG_ITEM_FLOAT )
-
- #define add_obsolete_string( name ) \
- add_obsolete_inner( name, CONFIG_ITEM_STRING )
-
- /* Modifier macros for the config options (used for fine tuning) */
-
- #define add_deprecated_alias( name ) \
- vlc_config_set (p_config, VLC_CONFIG_OLDNAME, (const char *)(name));
-
- #define change_short( ch ) \
- vlc_config_set (p_config, VLC_CONFIG_SHORTCUT, (int)(ch));
-
- #define change_string_list( list, list_text, list_update_func ) \
- vlc_config_set (p_config, VLC_CONFIG_LIST, domain, \
- (size_t)(sizeof (list) / sizeof (char *)), \
- (const char *const *)(list), \
- (const char *const *)(list_text), \
- (vlc_callback_t)(list_update_func));
-
- #define change_integer_list( list, list_text, list_update_func ) \
- vlc_config_set (p_config, VLC_CONFIG_LIST, domain, \
- (size_t)(sizeof (list) / sizeof (int)), \
- (const int *)(list), \
- (const char *const *)(list_text), \
- (vlc_callback_t)(list_update_func));
-
- #define change_integer_range( minv, maxv ) \
- vlc_config_set (p_config, VLC_CONFIG_RANGE, (int)(minv), (int)(maxv));
-
- #define change_float_range( minv, maxv ) \
- vlc_config_set (p_config, VLC_CONFIG_RANGE, \
- (double)(minv), (double)(maxv));
-
- #define change_action_add( pf_action, text ) \
- vlc_config_set (p_config, VLC_CONFIG_ADD_ACTION, domain, \
- (vlc_callback_t)(pf_action), (const char *)(text));
-
- #define change_internal() \
- vlc_config_set (p_config, VLC_CONFIG_PRIVATE);
-
- #define change_need_restart() \
- vlc_config_set (p_config, VLC_CONFIG_RESTART);
-
- #define change_autosave() \
- vlc_config_set (p_config, VLC_CONFIG_PERSISTENT);
-
- #define change_unsaveable() \
- vlc_config_set (p_config, VLC_CONFIG_VOLATILE);
-
- #define change_safe() \
- vlc_config_set (p_config, VLC_CONFIG_SAFE);
-
- /* Meta data plugin exports */
- #define VLC_META_EXPORT( name, value ) \
- EXTERN_SYMBOL DLL_SYMBOL const char * CDECL_SYMBOL \
- __VLC_SYMBOL(vlc_entry_ ## name) (void); \
- EXTERN_SYMBOL DLL_SYMBOL const char * CDECL_SYMBOL \
- __VLC_SYMBOL(vlc_entry_ ## name) (void) \
- { \
- return value; \
- }
-
- #if defined (__LIBVLC__)
- # define VLC_COPYRIGHT_EXPORT VLC_META_EXPORT (copyright, \
- "\x43\x6f\x70\x79\x72\x69\x67\x68\x74\x20\x28\x43\x29\x20\x74\x68" \
- "\x65\x20\x56\x69\x64\x65\x6f\x4c\x41\x4e\x20\x56\x4c\x43\x20\x6d" \
- "\x65\x64\x69\x61\x20\x70\x6c\x61\x79\x65\x72\x20\x64\x65\x76\x65" \
- "\x6c\x6f\x70\x65\x72\x73" )
- #elif !defined (VLC_COPYRIGHT_EXPORT)
- # define VLC_COPYRIGHT_EXPORT
- #endif
- #define VLC_LICENSE_EXPORT VLC_META_EXPORT (license, \
- "\x4c\x69\x63\x65\x6e\x73\x65\x64\x20\x75\x6e\x64\x65\x72\x20\x74" \
- "\x68\x65\x20\x74\x65\x72\x6d\x73\x20\x6f\x66\x20\x74\x68\x65\x20" \
- "\x47\x4e\x55\x20\x47\x65\x6e\x65\x72\x61\x6c\x20\x50\x75\x62\x6c" \
- "\x69\x63\x20\x4c\x69\x63\x65\x6e\x73\x65\x2c\x20\x76\x65\x72\x73" \
- "\x69\x6f\x6e\x20\x32\x20\x6f\x72\x20\x6c\x61\x74\x65\x72\x2e" )
-
- #define VLC_METADATA_EXPORTS \
- VLC_COPYRIGHT_EXPORT \
- VLC_LICENSE_EXPORT
-
- #endif
-