/*
* parse_desc_nvod_reference.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_nvod_reference.h"
#include "descriptors/parse_desc.h"
/*=============================================================================================*/
// CONSTANTS
/*=============================================================================================*/
/*=============================================================================================*/
// MACROS
/*=============================================================================================*/
/*=============================================================================================*/
// FUNCTIONS
/*=============================================================================================*/
/* ----------------------------------------------------------------------- */
//
// NVOD_reference_descriptor(){
// descriptor_tag 8 uimsbf
// descriptor_length 8 uimsbf
// for (i=0;i<N;i++) {
// transport_stream_id 16 uimsbf
// original_network_id 16 uimsbf
// service_id 16 uimsbf
// }
// }
/* ----------------------------------------------------------------------- */
void print_nvod_reference(struct Descriptor_nvod_reference *nrd, int level)
{
struct list_head *item, *safe;
printf(" Descriptor: nvod_reference [0x%02x]\n", nrd->descriptor_tag) ;
printf(" Length: %d\n", nrd->descriptor_length) ;
list_for_each_safe(item,safe,&nrd->nrd_array) {
struct NRD_entry *nrd_entry = list_entry(item, struct NRD_entry, next);
// NRD entry
printf(" -NRD entry-\n") ;
printf(" transport_stream_id = %d\n", nrd_entry->transport_stream_id) ;
printf(" original_network_id = %d\n", nrd_entry->original_network_id) ;
printf(" service_id = %d\n", nrd_entry->service_id) ;
}
}
/* ----------------------------------------------------------------------- */
struct Descriptor *parse_nvod_reference(struct TS_bits *bits, unsigned tag, unsigned len)
{
struct Descriptor_nvod_reference *nrd ;
unsigned byte ;
int end_buff_len ;
nrd = (struct Descriptor_nvod_reference *)malloc( sizeof(*nrd) ) ;
memset(nrd,0,sizeof(*nrd));
//== Parse data ==
INIT_LIST_HEAD(&nrd->next);
nrd->descriptor_tag = tag ; // already extracted by parse_desc()
nrd->descriptor_length = len ; // already extracted by parse_desc()
INIT_LIST_HEAD(&nrd->nrd_array) ;
end_buff_len = bits_len_calc(bits, -nrd->descriptor_length ) ;
while (bits->buff_len > end_buff_len)
{
struct NRD_entry *nrd_entry = malloc(sizeof(*nrd_entry));
memset(nrd_entry,0,sizeof(*nrd_entry));
list_add_tail(&nrd_entry->next,&nrd->nrd_array);
nrd_entry->transport_stream_id = bits_get(bits, 16) ;
nrd_entry->original_network_id = bits_get(bits, 16) ;
nrd_entry->service_id = bits_get(bits, 16) ;
}
return (struct Descriptor *)nrd ;
}
/* ----------------------------------------------------------------------- */
void free_nvod_reference(struct Descriptor_nvod_reference *nrd)
{
struct list_head *item, *safe;
list_for_each_safe(item,safe,&nrd->nrd_array) {
struct NRD_entry *nrd_entry = list_entry(item, struct NRD_entry, next);
free(nrd_entry) ;
}
free(nrd) ;
}