/*
* parse_desc_stuffing.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_stuffing.h"
#include "descriptors/parse_desc.h"
/*=============================================================================================*/
// CONSTANTS
/*=============================================================================================*/
/*=============================================================================================*/
// MACROS
/*=============================================================================================*/
/*=============================================================================================*/
// FUNCTIONS
/*=============================================================================================*/
/* ----------------------------------------------------------------------- */
//
// stuffing_descriptor(){
// descriptor_tag 8 uimsbf
// descriptor_length 8 uimsbf
// for (i= 0;i<N;i++){
// stuffing_byte 8 bslbf
// }
// }
// stuffing_section(){
// table_id 8 uimsbf
// section_syntax_indicator 1 bslbf
// reserved_future_use 1 bslbf
// reserved 2 bslbf
// section_length 12 uimsbf
// for (i=0;i<N;i++){
// data_byte 8 uimsbf
// }
// }
/* ----------------------------------------------------------------------- */
void print_stuffing(struct Descriptor_stuffing *sd, int level)
{
struct list_head *item, *safe;
printf(" Descriptor: stuffing [0x%02x]\n", sd->descriptor_tag) ;
printf(" Length: %d\n", sd->descriptor_length) ;
printf(" stuffing = \"%s\"\n", sd->stuffing) ;
}
/* ----------------------------------------------------------------------- */
struct Descriptor *parse_stuffing(struct TS_bits *bits, unsigned tag, unsigned len)
{
struct Descriptor_stuffing *sd ;
unsigned byte ;
int end_buff_len ;
sd = (struct Descriptor_stuffing *)malloc( sizeof(*sd) ) ;
memset(sd,0,sizeof(*sd));
//== Parse data ==
INIT_LIST_HEAD(&sd->next);
sd->descriptor_tag = tag ; // already extracted by parse_desc()
sd->descriptor_length = len ; // already extracted by parse_desc()
end_buff_len = bits_len_calc(bits, -sd->descriptor_length) ;
sd->stuffing[0] = 0 ;
for (byte=0; (bits->buff_len > end_buff_len) && (byte < MAX_STUFFING_LEN); ++byte)
{
sd->stuffing[byte] = bits_get(bits, 8) ;
sd->stuffing[byte+1] = 0 ;
}
return (struct Descriptor *)sd ;
}
/* ----------------------------------------------------------------------- */
void free_stuffing(struct Descriptor_stuffing *sd)
{
struct list_head *item, *safe;
free(sd) ;
}