/*****************************************************************************
* vlc_services_discovery.h : Services Discover functions
*****************************************************************************
- * Copyright (C) 1999-2004 the VideoLAN team
+ * Copyright (C) 1999-2004 VLC authors and VideoLAN
* $Id$
*
* Authors: Pierre d'Herbemont <pdherbemont # 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
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser 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.
+ * You should have received a copy of the GNU Lesser 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.
*****************************************************************************/
-#if !defined( __LIBVLC__ )
- #error You are not libvlc or one of its plugins. You cannot include this file
-#endif
+#ifndef VLC_SERVICES_DISCOVERY_H_
+#define VLC_SERVICES_DISCOVERY_H_
-#ifndef _VLC_SERVICES_DISCOVERY_H_
-#define _VLC_SERVICES_DISCOVERY_H_
+#include <vlc_input.h>
+#include <vlc_events.h>
+#include <vlc_probe.h>
+
+/**
+ * \file
+ * This file lists functions and structures for service discovery (SD) in vlc
+ */
# ifdef __cplusplus
extern "C" {
# endif
-/*
+/**
* @{
*/
-#include <vlc_input.h>
-#include <vlc_events.h>
-
+/**
+ * Main service discovery structure to build a SD module
+ */
struct services_discovery_t
{
VLC_COMMON_MEMBERS
- char * psz_module;
- module_t * p_module;
+ module_t * p_module; /**< Loaded module */
+
+ /**< Event manager
+ * You should access it through setters, outside of the core */
+ vlc_event_manager_t event_manager;
- char * psz_localized_name; /* Accessed through Setters for non class function */
- vlc_event_manager_t event_manager; /* Accessed through Setters for non class function */
+ char *psz_name; /**< Main name of the SD */
+ config_chain_t *p_cfg; /**< Configuration for the SD */
+
+ /** Control function
+ * \see services_discovery_command_e
+ */
+ int ( *pf_control ) ( services_discovery_t *, int, va_list );
+
+ services_discovery_sys_t *p_sys; /**< Custom private data */
+};
+
+/**
+ * Service discovery categories
+ * \see vlc_sd_probe_Add
+ */
+enum services_discovery_category_e
+{
+ SD_CAT_DEVICES = 1, /**< Devices, like portable music players */
+ SD_CAT_LAN, /**< LAN/WAN services, like Upnp or SAP */
+ SD_CAT_INTERNET, /**< Internet or Website channels services */
+ SD_CAT_MYCOMPUTER /**< Computer services, like Discs or Apps */
+};
+
+/**
+ * Service discovery control commands
+ */
+enum services_discovery_command_e
+{
+ SD_CMD_SEARCH = 1, /**< arg1 = query */
+ SD_CMD_DESCRIPTOR /**< arg1 = services_discovery_descriptor_t* */
+};
- services_discovery_sys_t *p_sys;
- void (*pf_run) ( services_discovery_t *);
+/**
+ * Service discovery capabilities
+ */
+enum services_discovery_capability_e
+{
+ SD_CAP_SEARCH = 1 /**< One can search in the SD */
};
+/**
+ * Service discovery descriptor
+ * \see services_discovery_command_e
+ */
+typedef struct
+{
+ char *psz_short_desc; /**< The short description, human-readable */
+ char *psz_icon_url; /**< URL to the icon that represents it */
+ char *psz_url; /**< URL for the service */
+ int i_capabilities; /**< \see services_discovery_capability_e */
+} services_discovery_descriptor_t;
+
/***********************************************************************
* Service Discovery
***********************************************************************/
+/**
+ * Ask for a research in the SD
+ * @param p_sd: the Service Discovery
+ * @param i_control: the command to issue
+ * @param args: the argument list
+ * @return VLC_SUCCESS in case of success, the error code overwise
+ */
+static inline int vlc_sd_control( services_discovery_t *p_sd, int i_control, va_list args )
+{
+ if( p_sd->pf_control )
+ return p_sd->pf_control( p_sd, i_control, args );
+ else
+ return VLC_EGENERIC;
+}
+
/* Get the services discovery modules names to use in Create(), in a null
* terminated string array. Array and string must be freed after use. */
-VLC_EXPORT( char **, __services_discovery_GetServicesNames, ( vlc_object_t * p_super, char ***pppsz_longnames ) );
-#define services_discovery_GetServicesNames(a,b) \
- __services_discovery_GetServicesNames(VLC_OBJECT(a),b)
-
-/* Creation of a service_discovery object */
-VLC_EXPORT( services_discovery_t *, services_discovery_Create, ( vlc_object_t * p_super, const char * psz_service_name ) );
-VLC_EXPORT( void, services_discovery_Destroy, ( services_discovery_t * p_this ) );
-VLC_EXPORT( int, services_discovery_Start, ( services_discovery_t * p_this ) );
-VLC_EXPORT( void, services_discovery_Stop, ( services_discovery_t * p_this ) );
+VLC_API char ** vlc_sd_GetNames( vlc_object_t *, char ***, int ** ) VLC_USED;
+#define vlc_sd_GetNames(obj, pln, pcat ) \
+ vlc_sd_GetNames(VLC_OBJECT(obj), pln, pcat)
+
+/* Creation of a services_discovery object */
+VLC_API services_discovery_t * vlc_sd_Create( vlc_object_t *, const char * ) VLC_USED;
+VLC_API bool vlc_sd_Start( services_discovery_t * );
+VLC_API void vlc_sd_Stop( services_discovery_t * );
+VLC_API void vlc_sd_Destroy( services_discovery_t * );
+
+/**
+ * Helper to stop and destroy the Service Discovery
+ */
+static inline void vlc_sd_StopAndDestroy( services_discovery_t * p_this )
+{
+ vlc_sd_Stop( p_this );
+ vlc_sd_Destroy( p_this );
+}
/* Read info from discovery object */
-VLC_EXPORT( char *, services_discovery_GetLocalizedName, ( services_discovery_t * p_this ) );
+VLC_API char * services_discovery_GetLocalizedName( services_discovery_t * p_this ) VLC_USED;
/* Receive event notification (preferred way to get new items) */
-VLC_EXPORT( vlc_event_manager_t *, services_discovery_EventManager, ( services_discovery_t * p_this ) );
+VLC_API vlc_event_manager_t * services_discovery_EventManager( services_discovery_t * p_this ) VLC_USED;
/* Used by services_discovery to post update about their items */
-VLC_EXPORT( void, services_discovery_SetLocalizedName, ( services_discovery_t * p_this, const char * ) );
/* About the psz_category, it is a legacy way to add info to the item,
* for more options, directly set the (meta) data on the input item */
-VLC_EXPORT( void, services_discovery_AddItem, ( services_discovery_t * p_this, input_item_t * p_item, const char * psz_category ) );
-VLC_EXPORT( void, services_discovery_RemoveItem, ( services_discovery_t * p_this, input_item_t * p_item ) );
+VLC_API void services_discovery_AddItem( services_discovery_t * p_this, input_item_t * p_item, const char * psz_category );
+VLC_API void services_discovery_RemoveItem( services_discovery_t * p_this, input_item_t * p_item );
+VLC_API void services_discovery_RemoveAll( services_discovery_t * p_sd );
+
+
+/* SD probing */
+
+VLC_API int vlc_sd_probe_Add(vlc_probe_t *, const char *, const char *, int category);
+
+#define VLC_SD_PROBE_SUBMODULE \
+ add_submodule() \
+ set_capability( "services probe", 100 ) \
+ set_callbacks( vlc_sd_probe_Open, NULL )
+
+#define VLC_SD_PROBE_HELPER(name, longname, cat) \
+static int vlc_sd_probe_Open (vlc_object_t *obj) \
+{ \
+ return vlc_sd_probe_Add ((struct vlc_probe_t *)obj, \
+ name "{longname=\"" longname "\"}", \
+ longname, cat); \
+}
/** @} */
# ifdef __cplusplus