/*
* parse_desc_data_broadcast.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_data_broadcast.h"
#include "descriptors/parse_desc.h"
/*=============================================================================================*/
// CONSTANTS
/*=============================================================================================*/
/*=============================================================================================*/
// MACROS
/*=============================================================================================*/
/*=============================================================================================*/
// FUNCTIONS
/*=============================================================================================*/
/* ----------------------------------------------------------------------- */
//
// data_broadcast_descriptor(){
// descriptor_tag 8 uimsbf
// descriptor_length 8 uimsbf
// data_broadcast_id 16 uimsbf
// component_tag 8 uimsbf
// selector_length 8 uimsbf
// for (i=0; i<selector_length; i++){
// selector_byte 8 uimsbf
// }
// ISO_639_language_code 24 bslbf
// text_length 8 uimsbf
// for (i=0; i<text_length; i++){
// text_char 8 uimsbf
// }
// }
/* ----------------------------------------------------------------------- */
void print_data_broadcast(struct Descriptor_data_broadcast *dbd, int level)
{
struct list_head *item, *safe;
printf(" Descriptor: data_broadcast [0x%02x]\n", dbd->descriptor_tag) ;
printf(" Length: %d\n", dbd->descriptor_length) ;
printf(" data_broadcast_id = %d\n", dbd->data_broadcast_id) ;
printf(" component_tag = %d\n", dbd->component_tag) ;
printf(" selector_length = %d\n", dbd->selector_length) ;
printf(" selector = \"%s\"\n", dbd->selector) ;
printf(" ISO_639_language_code = %d\n", dbd->ISO_639_language_code) ;
printf(" text_length = %d\n", dbd->text_length) ;
printf(" text = \"%s\"\n", dbd->text) ;
}
/* ----------------------------------------------------------------------- */
struct Descriptor *parse_data_broadcast(struct TS_bits *bits, unsigned tag, unsigned len)
{
struct Descriptor_data_broadcast *dbd ;
unsigned byte ;
int end_buff_len ;
dbd = (struct Descriptor_data_broadcast *)malloc( sizeof(*dbd) ) ;
memset(dbd,0,sizeof(*dbd));
//== Parse data ==
INIT_LIST_HEAD(&dbd->next);
dbd->descriptor_tag = tag ; // already extracted by parse_desc()
dbd->descriptor_length = len ; // already extracted by parse_desc()
dbd->data_broadcast_id = bits_get(bits, 16) ;
dbd->component_tag = bits_get(bits, 8) ;
dbd->selector_length = bits_get(bits, 8) ;
end_buff_len = bits_len_calc(bits, -dbd->selector_length) ;
dbd->selector[0] = 0 ;
for (byte=0; (bits->buff_len > end_buff_len) && (byte < MAX_SELECTOR_LEN); ++byte)
{
dbd->selector[byte] = bits_get(bits, 8) ;
dbd->selector[byte+1] = 0 ;
}
dbd->ISO_639_language_code = bits_get(bits, 24) ;
dbd->text_length = bits_get(bits, 8) ;
end_buff_len = bits_len_calc(bits, -dbd->text_length) ;
dbd->text[0] = 0 ;
for (byte=0; (bits->buff_len > end_buff_len) && (byte < MAX_TEXT_LEN); ++byte)
{
dbd->text[byte] = bits_get(bits, 8) ;
dbd->text[byte+1] = 0 ;
}
return (struct Descriptor *)dbd ;
}
/* ----------------------------------------------------------------------- */
void free_data_broadcast(struct Descriptor_data_broadcast *dbd)
{
struct list_head *item, *safe;
free(dbd) ;
}