nit.h

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/*****************************************************************************
 * nit.h
 * Copyright (C) 2001-2011 VideoLAN
 * $Id$
 *
 * Authors: Johann Hanne
 *          heavily based on pmt.c which was written by
 *          Arnaud de Bossoreille de Ribou <bozo@via.ecp.fr>
 *          Jean-Paul Saman <jpsaman@videolan.org>
 *
 * This library 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 library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 *****************************************************************************/
 
#ifndef _DVBPSI_NIT_H_
#define _DVBPSI_NIT_H_
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*****************************************************************************
 * dvbpsi_nit_ts_t
 *****************************************************************************/
typedef struct dvbpsi_nit_ts_s
{
  uint16_t                      i_ts_id;                
  uint16_t                      i_orig_network_id;      
  dvbpsi_descriptor_t *         p_first_descriptor;     
  struct dvbpsi_nit_ts_s *      p_next;                 
} dvbpsi_nit_ts_t;
 
/*****************************************************************************
 * dvbpsi_nit_t
 *****************************************************************************/
typedef struct dvbpsi_nit_s
{
    uint8_t              i_table_id;        
    uint16_t             i_extension;       
    uint16_t             i_network_id;       
    uint8_t              i_version;          
    bool                 b_current_next;     
    dvbpsi_descriptor_t *p_first_descriptor; 
    dvbpsi_nit_ts_t *    p_first_ts;         
} dvbpsi_nit_t;
 
/*****************************************************************************
 * dvbpsi_nit_callback
 *****************************************************************************/
typedef void (* dvbpsi_nit_callback)(void* p_priv, dvbpsi_nit_t* p_new_nit);
 
/*****************************************************************************
 * dvbpsi_nit_attach
 *****************************************************************************/
bool dvbpsi_nit_attach(dvbpsi_t* p_dvbpsi, uint8_t i_table_id, uint16_t i_extension,
                       dvbpsi_nit_callback pf_callback, void* p_priv);
 
/*****************************************************************************
 * dvbpsi_nit_detach
 *****************************************************************************/
void dvbpsi_nit_detach(dvbpsi_t* p_dvbpsi, uint8_t i_table_id,
                      uint16_t i_extension);
 
/*****************************************************************************
 * dvbpsi_nit_init/dvbpsi_nit_new
 *****************************************************************************/
void dvbpsi_nit_init(dvbpsi_nit_t* p_nit, uint8_t i_table_id, uint16_t i_extension,
                     uint16_t i_network_id, uint8_t i_version, bool b_current_next);
 
dvbpsi_nit_t *dvbpsi_nit_new(uint8_t i_table_id, uint16_t i_extension,
                             uint16_t i_network_id, uint8_t i_version,
                             bool b_current_next);
 
/*****************************************************************************
 * dvbpsi_nit_empty/dvbpsi_nit_delete
 *****************************************************************************/
void dvbpsi_nit_empty(dvbpsi_nit_t* p_nit);
 
void dvbpsi_nit_delete(dvbpsi_nit_t *p_nit);
 
/*****************************************************************************
 * dvbpsi_nit_descriptor_add
 *****************************************************************************/
dvbpsi_descriptor_t* dvbpsi_nit_descriptor_add(dvbpsi_nit_t *p_nit,
                                               uint8_t i_tag, uint8_t i_length,
                                               uint8_t *p_data);
 
/*****************************************************************************
 * dvbpsi_nit_ts_add
 *****************************************************************************/
dvbpsi_nit_ts_t* dvbpsi_nit_ts_add(dvbpsi_nit_t* p_nit,
                                 uint16_t i_ts_id, uint16_t i_orig_network_id);
 
/*****************************************************************************
 * dvbpsi_nit_ts_descriptor_add
 *****************************************************************************/
dvbpsi_descriptor_t* dvbpsi_nit_ts_descriptor_add(dvbpsi_nit_ts_t* p_ts,
                                                  uint8_t i_tag, uint8_t i_length,
                                                  uint8_t* p_data);
 
/*****************************************************************************
 * dvbpsi_nit_sections_generate
 *****************************************************************************/
dvbpsi_psi_section_t* dvbpsi_nit_sections_generate(dvbpsi_t* p_dvbpsi, dvbpsi_nit_t* p_nit,
                                            uint8_t i_table_id);
 
#ifdef __cplusplus
};
#endif
 
#else
#error "Multiple inclusions of nit.h"
#endif