vlc_configuration.h
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上传日期:2020-07-06
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文件大小:12k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * configuration.h : configuration management module
- * This file describes the programming interface for the configuration module.
- * It includes functions allowing to declare, get or set configuration options.
- *****************************************************************************
- * Copyright (C) 1999-2006 the VideoLAN team
- * $Id: 5ccb29e3c6a9650f2ef106761e7fd1a9bc74b337 $
- *
- * Authors: Gildas Bazin <gbazin@videolan.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 VLC_CONFIGURATION_H
- #define VLC_CONFIGURATION_H 1
- /**
- * file
- * This file describes the programming interface for the configuration module.
- * It includes functions allowing to declare, get or set configuration options.
- */
- # ifdef __cplusplus
- extern "C" {
- # endif
- /*****************************************************************************
- * Macros used to build the configuration structure.
- *****************************************************************************/
- /* Configuration hint types */
- #define CONFIG_HINT_CATEGORY 0x0002 /* Start of new category */
- #define CONFIG_HINT_SUBCATEGORY 0x0003 /* Start of sub-category */
- #define CONFIG_HINT_SUBCATEGORY_END 0x0004 /* End of sub-category */
- #define CONFIG_HINT_USAGE 0x0005 /* Usage information */
- #define CONFIG_CATEGORY 0x0006 /* Set category */
- #define CONFIG_SUBCATEGORY 0x0007 /* Set subcategory */
- #define CONFIG_SECTION 0x0008 /* Start of new section */
- #define CONFIG_HINT 0x000F
- /* Configuration item types */
- #define CONFIG_ITEM_STRING 0x0010 /* String option */
- #define CONFIG_ITEM_FILE 0x0020 /* File option */
- #define CONFIG_ITEM_MODULE 0x0030 /* Module option */
- #define CONFIG_ITEM_INTEGER 0x0040 /* Integer option */
- #define CONFIG_ITEM_BOOL 0x0050 /* Bool option */
- #define CONFIG_ITEM_FLOAT 0x0060 /* Float option */
- #define CONFIG_ITEM_DIRECTORY 0x0070 /* Directory option */
- #define CONFIG_ITEM_KEY 0x0080 /* Hot key option */
- #define CONFIG_ITEM_MODULE_CAT 0x0090 /* Module option */
- #define CONFIG_ITEM_MODULE_LIST 0x00A0 /* Module option */
- #define CONFIG_ITEM_MODULE_LIST_CAT 0x00B0 /* Module option */
- #define CONFIG_ITEM_FONT 0x00C0 /* Font option */
- #define CONFIG_ITEM_PASSWORD 0x00D0 /* Password option (*) */
- #define CONFIG_ITEM 0x00F0
- /*******************************************************************
- * All predefined categories and subcategories
- *******************************************************************/
- #define CAT_INTERFACE 1
- #define SUBCAT_INTERFACE_GENERAL 101
- #define SUBCAT_INTERFACE_MAIN 102
- #define SUBCAT_INTERFACE_CONTROL 103
- #define SUBCAT_INTERFACE_HOTKEYS 104
- #define CAT_AUDIO 2
- #define SUBCAT_AUDIO_GENERAL 201
- #define SUBCAT_AUDIO_AOUT 202
- #define SUBCAT_AUDIO_AFILTER 203
- #define SUBCAT_AUDIO_VISUAL 204
- #define SUBCAT_AUDIO_MISC 205
- #define CAT_VIDEO 3
- #define SUBCAT_VIDEO_GENERAL 301
- #define SUBCAT_VIDEO_VOUT 302
- #define SUBCAT_VIDEO_VFILTER 303
- #define SUBCAT_VIDEO_TEXT 304
- #define SUBCAT_VIDEO_SUBPIC 305
- #define SUBCAT_VIDEO_VFILTER2 306
- #define CAT_INPUT 4
- #define SUBCAT_INPUT_GENERAL 401
- #define SUBCAT_INPUT_ACCESS 402
- #define SUBCAT_INPUT_DEMUX 403
- #define SUBCAT_INPUT_VCODEC 404
- #define SUBCAT_INPUT_ACODEC 405
- #define SUBCAT_INPUT_SCODEC 406
- #define SUBCAT_INPUT_STREAM_FILTER 407
- #define CAT_SOUT 5
- #define SUBCAT_SOUT_GENERAL 501
- #define SUBCAT_SOUT_STREAM 502
- #define SUBCAT_SOUT_MUX 503
- #define SUBCAT_SOUT_ACO 504
- #define SUBCAT_SOUT_PACKETIZER 505
- #define SUBCAT_SOUT_SAP 506
- #define SUBCAT_SOUT_VOD 507
- #define CAT_ADVANCED 6
- #define SUBCAT_ADVANCED_CPU 601
- #define SUBCAT_ADVANCED_MISC 602
- #define SUBCAT_ADVANCED_NETWORK 603
- #define SUBCAT_ADVANCED_XML 604
- #define CAT_PLAYLIST 7
- #define SUBCAT_PLAYLIST_GENERAL 701
- #define SUBCAT_PLAYLIST_SD 702
- #define SUBCAT_PLAYLIST_EXPORT 703
- #define CAT_OSD 8
- #define SUBCAT_OSD_IMPORT 801
- struct config_category_t
- {
- int i_id;
- const char *psz_name;
- const char *psz_help;
- };
- typedef union
- {
- char *psz;
- int i;
- float f;
- } module_value_t;
- typedef union
- {
- int i;
- float f;
- } module_nvalue_t;
- struct module_config_t
- {
- int i_type; /* Configuration type */
- char *psz_type; /* Configuration subtype */
- char *psz_name; /* Option name */
- char i_short; /* Optional short option name */
- char *psz_text; /* Short comment on the configuration option */
- char *psz_longtext; /* Long comment on the configuration option */
- module_value_t value; /* Option value */
- module_value_t orig;
- module_value_t saved;
- module_nvalue_t min;
- module_nvalue_t max;
- /* Function to call when commiting a change */
- vlc_callback_t pf_callback;
- void *p_callback_data;
- /* Values list */
- char ** ppsz_list; /* List of possible values for the option */
- int *pi_list; /* Idem for integers */
- char **ppsz_list_text; /* Friendly names for list values */
- int i_list; /* Options list size */
- vlc_callback_t pf_update_list; /*callback to initialize dropdownlists */
- /* Actions list */
- vlc_callback_t *ppf_action; /* List of possible actions for a config */
- char **ppsz_action_text; /* Friendly names for actions */
- int i_action; /* actions list size */
- /* Misc */
- vlc_mutex_t *p_lock; /* Lock to use when modifying the config */
- bool b_dirty; /* Dirty flag to indicate a config change */
- bool b_advanced; /* Flag to indicate an advanced option */
- bool b_internal; /* Flag to indicate option is not to be shown */
- bool b_restart; /* Flag to indicate the option needs a restart */
- /* to take effect */
- /* Deprecated */
- char *psz_oldname; /* Old option name */
- bool b_removed;
- /* Option values loaded from config file */
- bool b_autosave; /* Config will be auto-saved at exit time */
- bool b_unsaveable; /* Config should not be saved */
- bool b_safe;
- };
- /*****************************************************************************
- * Prototypes - these methods are used to get, set or manipulate configuration
- * data.
- *****************************************************************************/
- VLC_EXPORT( int, __config_GetType, (vlc_object_t *, const char *) LIBVLC_USED );
- VLC_EXPORT( int, __config_GetInt, (vlc_object_t *, const char *) LIBVLC_USED );
- VLC_EXPORT( void, __config_PutInt, (vlc_object_t *, const char *, int) );
- VLC_EXPORT( float, __config_GetFloat, (vlc_object_t *, const char *) LIBVLC_USED );
- VLC_EXPORT( void, __config_PutFloat, (vlc_object_t *, const char *, float) );
- VLC_EXPORT( char *, __config_GetPsz, (vlc_object_t *, const char *) LIBVLC_USED );
- VLC_EXPORT( void, __config_PutPsz, (vlc_object_t *, const char *, const char *) );
- #define config_SaveConfigFile(a,b) __config_SaveConfigFile(VLC_OBJECT(a),b)
- VLC_EXPORT( int, __config_SaveConfigFile, ( vlc_object_t *, const char * ) );
- #define config_ResetAll(a) __config_ResetAll(VLC_OBJECT(a))
- VLC_EXPORT( void, __config_ResetAll, ( vlc_object_t * ) );
- VLC_EXPORT( module_config_t *, config_FindConfig,( vlc_object_t *, const char * ) LIBVLC_USED );
- VLC_EXPORT(const char *, config_GetDataDir, ( void ) LIBVLC_USED);
- VLC_EXPORT(const char *, config_GetConfDir, ( void ) LIBVLC_USED);
- VLC_EXPORT(const char *, config_GetHomeDir, ( void ) LIBVLC_USED);
- VLC_EXPORT(char *, config_GetUserConfDir, ( void ) LIBVLC_USED);
- VLC_EXPORT(char *, config_GetUserDataDir, ( void ) LIBVLC_USED);
- VLC_EXPORT(char *, config_GetCacheDir, ( void ) LIBVLC_USED);
- VLC_EXPORT( void, __config_AddIntf, ( vlc_object_t *, const char * ) );
- VLC_EXPORT( void, __config_RemoveIntf, ( vlc_object_t *, const char * ) );
- VLC_EXPORT( bool, __config_ExistIntf, ( vlc_object_t *, const char * ) LIBVLC_USED);
- #define config_GetType(a,b) __config_GetType(VLC_OBJECT(a),b)
- #define config_GetInt(a,b) __config_GetInt(VLC_OBJECT(a),b)
- #define config_PutInt(a,b,c) __config_PutInt(VLC_OBJECT(a),b,c)
- #define config_GetFloat(a,b) __config_GetFloat(VLC_OBJECT(a),b)
- #define config_PutFloat(a,b,c) __config_PutFloat(VLC_OBJECT(a),b,c)
- #define config_GetPsz(a,b) __config_GetPsz(VLC_OBJECT(a),b)
- #define config_PutPsz(a,b,c) __config_PutPsz(VLC_OBJECT(a),b,c)
- #define config_AddIntf(a,b) __config_AddIntf(VLC_OBJECT(a),b)
- #define config_RemoveIntf(a,b) __config_RemoveIntf(VLC_OBJECT(a),b)
- #define config_ExistIntf(a,b) __config_ExistIntf(VLC_OBJECT(a),b)
- /****************************************************************************
- * config_chain_t:
- ****************************************************************************/
- struct config_chain_t
- {
- config_chain_t *p_next; /**< Pointer on the next config_chain_t element */
- char *psz_name; /**< Option name */
- char *psz_value; /**< Option value */
- };
- /**
- * This function will
- * - create all options in the array ppsz_options (var_Create).
- * - parse the given linked list of config_chain_t and set the value (var_Set).
- *
- * The option names will be created by adding the psz_prefix prefix.
- */
- #define config_ChainParse( a, b, c, d ) __config_ChainParse( VLC_OBJECT(a), b, c, d )
- VLC_EXPORT( void, __config_ChainParse, ( vlc_object_t *, const char *psz_prefix, const char *const *ppsz_options, config_chain_t * ) );
- /**
- * This function will parse a configuration string (psz_string) and
- * - set the module name (*ppsz_name)
- * - set all options for this module in a chained list (*pp_cfg)
- * - returns a pointer on the next module if any.
- *
- * The string format is
- * module{option=*,option=*}[:modulenext{option=*,...}]
- *
- * The options values are unescaped using config_StringUnescape.
- */
- VLC_EXPORT( char *, config_ChainCreate, ( char **ppsz_name, config_chain_t **pp_cfg, const char *psz_string ) );
- /**
- * This function will release a linked list of config_chain_t
- * (Including the head)
- */
- VLC_EXPORT( void, config_ChainDestroy, ( config_chain_t * ) );
- /**
- * This function will unescape a string in place and will return a pointer on
- * the given string.
- * No memory is allocated by it (unlike config_StringEscape).
- * If NULL is given as parameter nothing will be done (NULL will be returned).
- *
- * The following sequences will be unescaped (only one time):
- * \ ' and "
- */
- VLC_EXPORT( char *, config_StringUnescape, ( char *psz_string ) );
- /**
- * This function will escape a string that can be unescaped by
- * config_StringUnescape.
- * The returned value is allocated by it. You have to free it once you
- * do not need it anymore (unlike config_StringUnescape).
- * If NULL is given as parameter nothing will be done (NULL will be returned).
- *
- * The escaped characters are ' " and
- */
- VLC_EXPORT( char *, config_StringEscape, ( const char *psz_string ) LIBVLC_USED);
- # ifdef __cplusplus
- }
- # endif
- #endif /* _VLC_CONFIGURATION_H */