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130 lines
4.3 KiB
130 lines
4.3 KiB
/*
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en50221 encoder An implementation for libdvb
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an implementation for the en50221 transport layer
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Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.com)
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Copyright (C) 2005 Julian Scheel (julian at jusst dot de)
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Copyright (C) 2006 Andrew de Quincey (adq_dvb@lidskialf.net)
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This library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __EN50221_APPLICATION_AI_H__
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#define __EN50221_APPLICATION_AI_H__
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include <stdlib.h>
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#include <stdint.h>
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#include <libdvben50221/en50221_app_utils.h>
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#define EN50221_APP_AI_RESOURCEID MKRID(2,1,1)
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#define APPLICATION_TYPE_CA 0x01
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#define APPLICATION_TYPE_EPG 0x02
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/**
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* Type definition for application callback function - called when we receive
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* an application info object.
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*
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* @param arg Private argument.
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* @param slot_id Slot id concerned.
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* @param session_number Resource id concerned.
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* @param application_type Type of application.
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* @param application_manufacturer Manufacturer of application.
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* @param manufacturer_code Manufacturer specific code.
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* @param menu_string_length Length of menu string.
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* @param menu_string The menu string itself.
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* @return 0 on success, -1 on failure.
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*/
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typedef int (*en50221_app_ai_callback)(void *arg, uint8_t slot_id, uint16_t session_number,
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uint8_t application_type, uint16_t application_manufacturer,
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uint16_t manufacturer_code, uint8_t menu_string_length,
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uint8_t *menu_string);
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/**
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* Opaque type representing an application information resource.
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*/
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typedef void *en50221_app_ai;
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/**
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* Create an instance of an application information resource.
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*
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* @param funcs Send functions to use.
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* @return Instance, or NULL on failure.
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*/
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extern en50221_app_ai en50221_app_ai_create(struct en50221_app_send_functions *funcs);
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/**
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* Destroy an instance of an application information resource.
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*
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* @param ai Instance to destroy.
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*/
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extern void en50221_app_ai_destroy(en50221_app_ai ai);
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/**
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* Register a callback for reception of application_info objects.
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*
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* @param ai Application information instance.
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* @param callback Callback function.
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* @param arg Private argument passed during calls to the callback.
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*/
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extern void en50221_app_ai_register_callback(en50221_app_ai ai, en50221_app_ai_callback, void *arg);
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/**
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* send a enquiry for the app_info provided by a module
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*
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* @param ai Application information instance.
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* @param session_number Session to send on.
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* @return 0 on success, -1 on failure.
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*/
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extern int en50221_app_ai_enquiry(en50221_app_ai ai, uint16_t session_number);
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/**
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* send a enter_menu tag, this will make the application
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* open a new MMI session to provide a Menu, or so.
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*
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* @param ai Application information instance.
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* @param session_number Session to send on.
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* @return 0 on success, -1 on failure.
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*/
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extern int en50221_app_ai_entermenu(en50221_app_ai ai, uint16_t session_number);
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/**
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* Pass data received for this resource into it for parsing.
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*
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* @param ai Application information instance.
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* @param slot_id Slot ID concerned.
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* @param session_number Session number concerned.
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* @param resource_id Resource ID concerned.
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* @param data The data.
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* @param data_length Length of data in bytes.
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* @return 0 on success, -1 on failure.
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*/
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extern int en50221_app_ai_message(en50221_app_ai ai,
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uint8_t slot_id,
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uint16_t session_number,
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uint32_t resource_id,
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uint8_t *data, uint32_t data_length);
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#ifdef __cplusplus
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}
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#endif
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#endif
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