eit.h

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00001 /*****************************************************************************
00002  * eit.h
00003  * (c)2004 VideoLAN
00004  * $Id: eit.h 88 2004-02-24 14:31:18Z sam $
00005  *
00006  * Authors: Christophe Massiot <massiot@via.ecp.fr>
00007  *
00008  * This program is free software; you can redistribute it and/or
00009  * modify it under the terms of the GNU General Public License
00010  * as published by the Free Software Foundation; either version 2
00011  * of the License, or (at your option) any later version.
00012  *
00013  * This program is distributed in the hope that it will be useful,
00014  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016  * GNU General Public License for more details.
00017  *
00018  * You should have received a copy of the GNU General Public License
00019  * along with this program; if not, write to the Free Software
00020  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00021  *
00022  *****************************************************************************/
00023 
00036 #ifndef _DVBPSI_EIT_H_
00037 #define _DVBPSI_EIT_H_
00038 
00039 #ifdef __cplusplus
00040 extern "C" {
00041 #endif
00042 
00043 
00044 /*****************************************************************************
00045  * dvbpsi_eit_event_t
00046  *****************************************************************************/
00058 typedef struct dvbpsi_eit_event_s
00059 {
00060   uint16_t                  i_event_id;             
00061   uint64_t                  i_start_time;           
00062   uint32_t                  i_duration;             
00063   uint8_t                   i_running_status;       
00064   int                       b_free_ca;              
00065   uint16_t                  i_descriptors_length;   
00067   dvbpsi_descriptor_t *     p_first_descriptor;     
00071   struct dvbpsi_eit_event_s * p_next;               
00074 } dvbpsi_eit_event_t;
00075 
00076 
00077 /*****************************************************************************
00078  * dvbpsi_eit_t
00079  *****************************************************************************/
00091 typedef struct dvbpsi_eit_s
00092 {
00093   uint16_t                  i_service_id;       
00094   uint8_t                   i_version;          
00095   int                       b_current_next;     
00096   uint16_t                  i_ts_id;            
00097   uint16_t                  i_network_id;       
00098   uint8_t                   i_segment_last_section_number; 
00099   uint8_t                   i_last_table_id;    
00101   dvbpsi_eit_event_t *      p_first_event;      
00103 } dvbpsi_eit_t;
00104 
00105 
00106 /*****************************************************************************
00107  * dvbpsi_eit_callback
00108  *****************************************************************************/
00114 typedef void (* dvbpsi_eit_callback)(void* p_cb_data, dvbpsi_eit_t* p_new_eit);
00115 
00116 
00117 /*****************************************************************************
00118  * dvbpsi_AttachEIT
00119  *****************************************************************************/
00132 int dvbpsi_AttachEIT(dvbpsi_decoder_t * p_psi_decoder, uint8_t i_table_id,
00133           uint16_t i_extension, dvbpsi_eit_callback pf_callback,
00134                                void* p_cb_data);
00135 
00136 
00137 /*****************************************************************************
00138  * dvbpsi_DetachEIT
00139  *****************************************************************************/
00149 void dvbpsi_DetachEIT(dvbpsi_demux_t * p_demux, uint8_t i_table_id,
00150           uint16_t i_extension);
00151 
00152 
00153 /*****************************************************************************
00154  * dvbpsi_InitEIT/dvbpsi_NewEIT
00155  *****************************************************************************/
00172 void dvbpsi_InitEIT(dvbpsi_eit_t* p_eit, uint16_t i_service_id, uint8_t i_version,
00173                     int b_current_next, uint16_t i_ts_id, uint16_t i_network_id,
00174                     uint8_t i_segment_last_section_number,
00175                     uint8_t i_last_table_id);
00176 
00187 #define dvbpsi_NewEIT(p_eit, i_service_id, i_version, b_current_next, i_ts_id, i_network_id, i_segment_last_section_number, i_last_table_id) \
00188 do {                                                                    \
00189   p_eit = (dvbpsi_eit_t*)malloc(sizeof(dvbpsi_eit_t));                  \
00190   if(p_eit != NULL)                                                     \
00191     dvbpsi_InitEIT(p_eit, i_service_id, i_version, b_current_next, i_ts_id, i_network_id, i_segment_last_section_number, i_last_table_id); \
00192 } while(0);
00193 
00194 
00195 /*****************************************************************************
00196  * dvbpsi_EmptyEIT/dvbpsi_DeleteEIT
00197  *****************************************************************************/
00204 void dvbpsi_EmptyEIT(dvbpsi_eit_t* p_eit);
00205 
00212 #define dvbpsi_DeleteEIT(p_eit)                                         \
00213 do {                                                                    \
00214   dvbpsi_EmptyEIT(p_eit);                                               \
00215   free(p_eit);                                                          \
00216 } while(0);
00217 
00218 
00219 /*****************************************************************************
00220  * dvbpsi_EITAddEvent
00221  *****************************************************************************/
00238 dvbpsi_eit_event_t* dvbpsi_EITAddEvent(dvbpsi_eit_t* p_eit,
00239     uint16_t i_event_id, uint64_t i_start_time, uint32_t i_duration,
00240     uint8_t i_running_status, int b_free_ca);
00241 
00242 /*****************************************************************************
00243  * dvbpsi_EITEventAddDescriptor
00244  *****************************************************************************/
00257 dvbpsi_descriptor_t* dvbpsi_EITEventAddDescriptor(
00258                                                dvbpsi_eit_event_t* p_event,
00259                                                uint8_t i_tag, uint8_t i_length,
00260                                                uint8_t* p_data);
00261 
00262 #ifdef __cplusplus
00263 };
00264 #endif
00265 
00266 #else
00267 #error "Multiple inclusions of eit.h"
00268 #endif
00269 

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