/*
* parse_desc_content.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_content.h"
#include "descriptors/parse_desc.h"
/*=============================================================================================*/
// CONSTANTS
/*=============================================================================================*/
/*=============================================================================================*/
// MACROS
/*=============================================================================================*/
/*=============================================================================================*/
// FUNCTIONS
/*=============================================================================================*/
/* ----------------------------------------------------------------------- */
//
// content_descriptor(){
// descriptor_tag 8 uimsbf
// descriptor_length 8 uimsbf
// for (i=0;i<N;i++) {
// content_nibble_level_1 4 uimsbf
// content_nibble_level_2 4 uimsbf
// user_nibble 4 uimsbf
// user_nibble 4 uimsbf
// }
// }
/* ----------------------------------------------------------------------- */
void print_content(struct Descriptor_content *cd, int level)
{
struct list_head *item, *safe;
printf(" Descriptor: content [0x%02x]\n", cd->descriptor_tag) ;
printf(" Length: %d\n", cd->descriptor_length) ;
list_for_each_safe(item,safe,&cd->cd_array) {
struct CD_entry *cd_entry = list_entry(item, struct CD_entry, next);
// CD entry
printf(" -CD entry-\n") ;
printf(" content_nibble_level_1 = %d\n", cd_entry->content_nibble_level_1) ;
printf(" content_nibble_level_2 = %d\n", cd_entry->content_nibble_level_2) ;
printf(" user_nibble = %d\n", cd_entry->user_nibble) ;
printf(" user_nibble1 = %d\n", cd_entry->user_nibble1) ;
}
}
/* ----------------------------------------------------------------------- */
struct Descriptor *parse_content(struct TS_bits *bits, unsigned tag, unsigned len)
{
struct Descriptor_content *cd ;
unsigned byte ;
int end_buff_len ;
cd = (struct Descriptor_content *)malloc( sizeof(*cd) ) ;
memset(cd,0,sizeof(*cd));
//== Parse data ==
INIT_LIST_HEAD(&cd->next);
cd->descriptor_tag = tag ; // already extracted by parse_desc()
cd->descriptor_length = len ; // already extracted by parse_desc()
INIT_LIST_HEAD(&cd->cd_array) ;
end_buff_len = bits_len_calc(bits, -cd->descriptor_length ) ;
while (bits->buff_len > end_buff_len)
{
struct CD_entry *cd_entry = malloc(sizeof(*cd_entry));
memset(cd_entry,0,sizeof(*cd_entry));
list_add_tail(&cd_entry->next,&cd->cd_array);
cd_entry->content_nibble_level_1 = bits_get(bits, 4) ;
cd_entry->content_nibble_level_2 = bits_get(bits, 4) ;
cd_entry->user_nibble = bits_get(bits, 4) ;
cd_entry->user_nibble1 = bits_get(bits, 4) ;
}
return (struct Descriptor *)cd ;
}
/* ----------------------------------------------------------------------- */
void free_content(struct Descriptor_content *cd)
{
struct list_head *item, *safe;
list_for_each_safe(item,safe,&cd->cd_array) {
struct CD_entry *cd_entry = list_entry(item, struct CD_entry, next);
free(cd_entry) ;
}
free(cd) ;
}