/*
* parse_desc_service_list.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_desc_service_list.h"
#include "descriptors/parse_desc.h"
/*=============================================================================================*/
// CONSTANTS
/*=============================================================================================*/
/*=============================================================================================*/
// MACROS
/*=============================================================================================*/
/*=============================================================================================*/
// FUNCTIONS
/*=============================================================================================*/
/* ----------------------------------------------------------------------- */
//
// service_list_descriptor(){
// descriptor_tag 8 uimsbf
// descriptor_length 8 uimsbf
// for (i=0;i<N;I++){
// service_id 16 uimsbf
// service_type 8 uimsbf
// }
// }
/* ----------------------------------------------------------------------- */
void print_service_list(struct Descriptor_service_list *sld, int level)
{
struct list_head *item, *safe;
printf(" Descriptor: service_list [0x%02x]\n", sld->descriptor_tag) ;
printf(" Length: %d\n", sld->descriptor_length) ;
list_for_each_safe(item,safe,&sld->sld_array) {
struct SLD_entry *sld_entry = list_entry(item, struct SLD_entry, next);
// SLD entry
printf(" -SLD entry-\n") ;
printf(" service_id = %d\n", sld_entry->service_id) ;
printf(" service_type = %d\n", sld_entry->service_type) ;
}
}
/* ----------------------------------------------------------------------- */
struct Descriptor *parse_service_list(struct TS_bits *bits, unsigned tag, unsigned len)
{
struct Descriptor_service_list *sld ;
unsigned byte ;
int end_buff_len ;
sld = (struct Descriptor_service_list *)malloc( sizeof(*sld) ) ;
memset(sld,0,sizeof(*sld));
//== Parse data ==
INIT_LIST_HEAD(&sld->next);
sld->descriptor_tag = tag ; // already extracted by parse_desc()
sld->descriptor_length = len ; // already extracted by parse_desc()
INIT_LIST_HEAD(&sld->sld_array) ;
end_buff_len = bits_len_calc(bits, -sld->descriptor_length ) ;
while (bits->buff_len > end_buff_len)
{
struct SLD_entry *sld_entry = malloc(sizeof(*sld_entry));
memset(sld_entry,0,sizeof(*sld_entry));
list_add_tail(&sld_entry->next,&sld->sld_array);
sld_entry->service_id = bits_get(bits, 16) ;
sld_entry->service_type = bits_get(bits, 8) ;
}
return (struct Descriptor *)sld ;
}
/* ----------------------------------------------------------------------- */
void free_service_list(struct Descriptor_service_list *sld)
{
struct list_head *item, *safe;
list_for_each_safe(item,safe,&sld->sld_array) {
struct SLD_entry *sld_entry = list_entry(item, struct SLD_entry, next);
free(sld_entry) ;
}
free(sld) ;
}