vlc_plugin.h
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:18k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * 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,
- "x43x6fx70x79x72x69x67x68x74x20x28x43x29x20x74x68"
- "x65x20x56x69x64x65x6fx4cx41x4ex20x56x4cx43x20x6d"
- "x65x64x69x61x20x70x6cx61x79x65x72x20x64x65x76x65"
- "x6cx6fx70x65x72x73" )
- #elif !defined (VLC_COPYRIGHT_EXPORT)
- # define VLC_COPYRIGHT_EXPORT
- #endif
- #define VLC_LICENSE_EXPORT VLC_META_EXPORT (license,
- "x4cx69x63x65x6ex73x65x64x20x75x6ex64x65x72x20x74"
- "x68x65x20x74x65x72x6dx73x20x6fx66x20x74x68x65x20"
- "x47x4ex55x20x47x65x6ex65x72x61x6cx20x50x75x62x6c"
- "x69x63x20x4cx69x63x65x6ex73x65x2cx20x76x65x72x73"
- "x69x6fx6ex20x32x20x6fx72x20x6cx61x74x65x72x2e" )
- #define VLC_METADATA_EXPORTS
- VLC_COPYRIGHT_EXPORT
- VLC_LICENSE_EXPORT
- #endif