/*
* parse_si_bat.c
*
* Created by: si_desc.pl
* Created on: 20-May-2011
* Author: sdprice1
*/
// VERSION = 1.00
/*=============================================================================================*/
// USES
/*=============================================================================================*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
#include <fcntl.h>
#include <inttypes.h>
#include "parse_si_bat.h"
#include "descriptors/parse_desc.h"
/*=============================================================================================*/
// CONSTANTS
/*=============================================================================================*/
/*=============================================================================================*/
// MACROS
/*=============================================================================================*/
/*=============================================================================================*/
// FUNCTIONS
/*=============================================================================================*/
/* ----------------------------------------------------------------------- */
//
// bouquet_association_section(){
// table_id 8 uimsbf
// section_syntax_indicator 1 bslbf
// reserved_future_use 1 bslbf
// reserved 2 bslbf
// section_length 12 uimsbf
// bouquet_id 16 uimsbf
// reserved 2 bslbf
// version_number 5 uimsbf
// current_next_indicator 1 bslbf
// section_number 8 uimsbf
// last_section_number 8 uimsbf
// reserved_future_use 4 bslbf
// bouquet_descriptors_length 12 uimsbf
// for(i=0;i<N;i++){
// descriptor()
// }
// reserved_future_use 4 bslbf
// transport_stream_loop_length 12 uimsbf
// for(i=0;i<N;i++){
// transport_stream_id 16 uimsbf
// original_network_id 16 uimsbf
// reserved_future_use 4 bslbf
// transport_descriptors_length 12 uimsbf
// for(j=0;j<N;j++){
// descriptor()
// }
// }
// CRC_32 32 rpchof
// }
/* ----------------------------------------------------------------------- */
void print_bat(struct Section_bouquet_association *bat)
{
struct list_head *item, *safe;
int end_buff_len ;
printf("Table: bouquet_association [0x%02x]\n", bat->table_id) ;
printf("Length: %d\n", bat->section_length) ;
//== data ==
printf("section_syntax_indicator = %d\n", bat->section_syntax_indicator) ;
printf("bouquet_id = %d\n", bat->bouquet_id) ;
printf("version_number = %d\n", bat->version_number) ;
printf("current_next_indicator = %d\n", bat->current_next_indicator) ;
printf("section_number = %d\n", bat->section_number) ;
printf("last_section_number = %d\n", bat->last_section_number) ;
printf("bouquet_descriptors_length = %d\n", bat->bouquet_descriptors_length) ;
// Descriptors list
print_desc_list(&bat->bouquet_array, 1) ;
printf("transport_stream_loop_length = %d\n", bat->transport_stream_loop_length) ;
list_for_each_safe(item,safe,&bat->bat_array) {
struct BAT_entry *bat_entry = list_entry(item, struct BAT_entry, next);
// BAT entry
printf(" -BAT entry-\n") ;
printf(" transport_stream_id = %d\n", bat_entry->transport_stream_id) ;
printf(" original_network_id = %d\n", bat_entry->original_network_id) ;
printf(" transport_descriptors_length = %d\n", bat_entry->transport_descriptors_length) ;
// Descriptors list
print_desc_list(&bat_entry->transport_array, 1) ;
}
}
/* ----------------------------------------------------------------------- */
void parse_bat(struct TS_reader *tsreader, struct TS_state *tsstate, struct TS_bits *bits,
Section_handler handler, struct Section_decode_flags *flags)
{
struct Section_bouquet_association bat ;
struct list_head *item, *safe;
unsigned byte ;
int end_buff_len ;
//== Parse data ==
bat.table_id = bits_get(bits, 8) ;
bat.section_syntax_indicator = bits_get(bits, 1) ;
bits_skip(bits, 1) ;
bits_skip(bits, 2) ;
bat.section_length = bits_get(bits, 12) ;
bat.bouquet_id = bits_get(bits, 16) ;
bits_skip(bits, 2) ;
bat.version_number = bits_get(bits, 5) ;
bat.current_next_indicator = bits_get(bits, 1) ;
bat.section_number = bits_get(bits, 8) ;
bat.last_section_number = bits_get(bits, 8) ;
bits_skip(bits, 4) ;
bat.bouquet_descriptors_length = bits_get(bits, 12) ;
// Descriptors
INIT_LIST_HEAD(&bat.bouquet_array);
end_buff_len = bits_len_calc(bits, -bat.bouquet_descriptors_length ) ;
while (bits->buff_len > end_buff_len)
{
enum TS_descriptor_ids desc_tag = parse_desc(&bat.bouquet_array, bits, flags->decode_descriptor) ;
}
bits_skip(bits, 4) ;
bat.transport_stream_loop_length = bits_get(bits, 12) ;
INIT_LIST_HEAD(&bat.bat_array) ;
while (bits->buff_len >= 6)
{
struct BAT_entry *bat_entry = malloc(sizeof(*bat_entry));
memset(bat_entry,0,sizeof(*bat_entry));
list_add_tail(&bat_entry->next,&bat.bat_array);
bat_entry->transport_stream_id = bits_get(bits, 16) ;
bat_entry->original_network_id = bits_get(bits, 16) ;
bits_skip(bits, 4) ;
bat_entry->transport_descriptors_length = bits_get(bits, 12) ;
// Descriptors
INIT_LIST_HEAD(&bat_entry->transport_array);
end_buff_len = bits_len_calc(bits, -bat_entry->transport_descriptors_length ) ;
while (bits->buff_len > end_buff_len)
{
enum TS_descriptor_ids desc_tag = parse_desc(&bat_entry->transport_array, bits, flags->decode_descriptor) ;
}
}
//== Call handler ==
if (handler)
handler(tsreader, tsstate, (struct Section *)&bat, tsreader->user_data) ;
//== Tidy up ==
free_descriptors_list(&bat.bouquet_array);
list_for_each_safe(item,safe,&bat.bat_array) {
struct BAT_entry *bat_entry = list_entry(item, struct BAT_entry, next);
free_descriptors_list(&bat_entry->transport_array);
free(bat_entry) ;
}
}