Commit 745ec332 authored by Georgi Chorbadzhiyski's avatar Georgi Chorbadzhiyski

dvb/si: Add support for descriptor 0x55 (Parental rating descriptor).

parent f82f7bff
/*****************************************************************************
* desc_55.h: ETSI EN 300 468 Descriptor 0x55: Parental rating descriptor
*****************************************************************************
* Copyright (C) 2011 Unix Solutions Ltd.
*
* Authors: Georgi Chorbadzhiyski <georgi@unixsol.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject
* to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*****************************************************************************/
/*
* Normative references:
* - ETSI EN 300 468 V1.11.1 (2010-04) (SI in DVB systems)
*/
#ifndef __BITSTREAM_DVB_DESC_55_H__
#define __BITSTREAM_DVB_DESC_55_H__
#include <bitstream/common.h>
#include <bitstream/mpeg/psi/descriptors.h>
#include <bitstream/mpeg/psi/desc_0a.h>
#ifdef __cplusplus
extern "C"
{
#endif
/*****************************************************************************
* Descriptor 0x55: Parental rating descriptor
*****************************************************************************/
#define DESC55_HEADER_SIZE DESC_HEADER_SIZE
#define DESC55_RATING_SIZE 4
static inline void desc55_init(uint8_t *p_desc)
{
desc_set_tag(p_desc, 0x55);
}
#define desc55n_get_country_code desc0an_get_code
#define desc55n_set_country_code desc0an_set_code
static inline uint8_t *desc55_get_rating(uint8_t *p_desc, uint8_t n)
{
uint8_t *p_desc_n = p_desc + DESC55_HEADER_SIZE + n * DESC55_RATING_SIZE;
if (p_desc_n + DESC55_RATING_SIZE - p_desc
> desc_get_length(p_desc) + DESC55_HEADER_SIZE)
return NULL;
return p_desc_n;
}
static inline uint8_t desc55n_get_rating(uint8_t *p_desc_n)
{
return p_desc_n[3];
}
static inline void desc55n_set_rating(uint8_t *p_desc_n, uint8_t i_rating)
{
p_desc_n[3] = i_rating;
}
static inline bool desc55_validate(const uint8_t *p_desc)
{
return !(desc_get_length(p_desc) % DESC55_RATING_SIZE);
}
static inline void desc55_print(uint8_t *p_desc, f_print pf_print,
void *opaque, print_type_t i_print_type)
{
uint8_t j = 0;
uint8_t *p_desc_n;
while ((p_desc_n = desc55_get_rating(p_desc, j++)) != NULL) {
char rating_txt[16];
uint8_t rating = desc55n_get_rating(p_desc_n);
if (rating == 0)
sprintf(rating_txt, "%s", "undefined");
else if (rating >= 0x01 && rating <= 0x0f)
sprintf(rating_txt, "min %d years", rating + 3);
else
sprintf(rating_txt, "%s", "unknown");
switch (i_print_type) {
case PRINT_XML:
pf_print(opaque, "<PARENTAL_RATING_DESC country_code=\"%3.3s\" rating=\"%u\" rating_txt=\"%s\"/>",
(char *)desc55n_get_country_code(p_desc_n),
desc55n_get_rating(p_desc_n),
rating_txt
);
break;
default:
pf_print(opaque," - desc 55 parental_rating country_code=%3.3s rating=%u rating_txt=\"%s\"",
(char *)desc55n_get_country_code(p_desc_n),
desc55n_get_rating(p_desc_n),
rating_txt
);
}
}
}
#ifdef __cplusplus
}
#endif
#endif
......@@ -46,6 +46,7 @@
#include <bitstream/dvb/si/desc_4e.h>
#include <bitstream/dvb/si/desc_52.h>
#include <bitstream/dvb/si/desc_54.h>
#include <bitstream/dvb/si/desc_55.h>
#include <bitstream/dvb/si/desc_56.h>
#include <bitstream/dvb/si/desc_59.h>
#include <bitstream/dvb/si/desc_5a.h>
......
......@@ -129,6 +129,7 @@ static inline void descl_print(uint8_t *p_descl, uint16_t i_length,
CASE_DESC_ICONV(4e)
CASE_DESC(52)
CASE_DESC(54)
CASE_DESC(55)
CASE_DESC(56)
CASE_DESC(59)
CASE_DESC(5a)
......
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