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/*****************************************************************************
* desc_5d.h: ETSI EN 300 468 Descriptor 0x5d: Multilingual service name
*****************************************************************************
* Copyright (C) 2009-2010 VideoLAN
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
* 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_5D_H__
#define __BITSTREAM_DVB_DESC_5D_H__
#include <bitstream/common.h>
#include <bitstream/mpeg/psi/descriptors.h>
#include <bitstream/mpeg/psi/desc_0a.h>
#include <bitstream/dvb/si/strings.h>
#ifdef __cplusplus
extern "C"
{
#endif
/*****************************************************************************
* Descriptor 0x5d: Multilingual service name
*****************************************************************************/
#define DESC5D_HEADER_SIZE DESC_HEADER_SIZE
#define DESC5D_DATA_SIZE 5
static inline void desc5d_init(uint8_t *p_desc)
{
desc_set_tag(p_desc, 0x5d);
}
#define desc5dn_set_code desc0an_set_code
#define desc5dn_get_code desc0an_get_code
static inline uint8_t desc5dn_get_provider_name_length(const uint8_t *p_desc_n)
{
return p_desc_n[3];
}
static inline const uint8_t *desc5dn_get_provider_name(const uint8_t *p_desc_n, uint8_t *pi_length)
{
*pi_length = desc5dn_get_provider_name_length(p_desc_n);
return p_desc_n + 4;
}
static inline void desc5dn_set_provider_name(uint8_t *p_desc_n, const uint8_t *p_network_name, uint8_t i_length)
{
p_desc_n[3] = i_length;
memcpy(p_desc_n + 4, p_network_name, i_length);
}
static inline uint8_t desc5dn_get_service_name_length(const uint8_t *p_desc_n)
{
return p_desc_n[4 + desc5dn_get_provider_name_length(p_desc_n)];
}
static inline const uint8_t *desc5dn_get_service_name(const uint8_t *p_desc_n, uint8_t *pi_length)
{
*pi_length = desc5dn_get_service_name_length(p_desc_n);
return p_desc_n + 5 + desc5dn_get_provider_name_length(p_desc_n);
}
static inline void desc5dn_set_service_name(uint8_t *p_desc_n, const uint8_t *p_network_name, uint8_t i_length)
{
p_desc_n[4 + desc5dn_get_provider_name_length(p_desc_n)] = i_length;
memcpy(p_desc_n + 5 + desc5dn_get_provider_name_length(p_desc_n),
p_network_name, i_length);
}
static inline uint8_t *desc5d_get_data(const uint8_t *p_desc, uint8_t n)
{
const uint8_t *p_desc_n = p_desc + DESC5D_HEADER_SIZE;
uint8_t i_desc_size = desc_get_length(p_desc);
while (n) {
if (p_desc_n + DESC5D_DATA_SIZE - p_desc > i_desc_size)
return NULL;
p_desc_n += DESC5D_DATA_SIZE
+ desc5dn_get_provider_name_length(p_desc_n)
+ desc5dn_get_service_name_length(p_desc_n);
n--;
}
if (p_desc_n - p_desc > i_desc_size)
return NULL;
return (uint8_t *)p_desc_n;
}
static inline bool desc5d_validate(const uint8_t *p_desc)
{
const uint8_t *p_desc_n = p_desc + DESC5D_HEADER_SIZE;
int i_desc_size = desc_get_length(p_desc);
while (i_desc_size > 0)
{
uint8_t i_data_sz = DESC5D_DATA_SIZE
+ desc5dn_get_provider_name_length(p_desc_n)
+ desc5dn_get_service_name_length(p_desc_n);
i_desc_size -= i_data_sz;
p_desc_n += i_data_sz;
}
return i_desc_size == 0;
}
static inline void desc5d_print(const uint8_t *p_desc,
f_print pf_print, void *print_opaque,
f_iconv pf_iconv, void *iconv_opaque,
print_type_t i_print_type)
{
const uint8_t *p_desc_n;
uint8_t j = 0;
while ((p_desc_n = desc5d_get_data(p_desc, j++)) != NULL) {
uint8_t i_provider_name_length, i_service_name_length;
const uint8_t *p_provider_name = desc5dn_get_provider_name(p_desc_n, &i_provider_name_length);
const uint8_t *p_service_name = desc5dn_get_service_name(p_desc_n, &i_service_name_length);
char *psz_provider_name = dvb_string_get(p_provider_name, i_provider_name_length, pf_iconv, iconv_opaque);
char *psz_service_name = dvb_string_get(p_service_name, i_service_name_length, pf_iconv, iconv_opaque);
switch (i_print_type) {
case PRINT_XML:
psz_provider_name = dvb_string_xml_escape(psz_provider_name);
pf_print(print_opaque,
"<MULTILINGUAL_SERVICE_NAME_DESC code=\"%3.3s\" provider=\"%s\" service=\"%s\"/>",
desc5dn_get_code(p_desc_n),
psz_provider_name,
psz_service_name
);
break;
default:
pf_print(print_opaque,
" - desc 5d multilingual_service_name code=\"%3.3s\" provider=\"%s\" service=\"%s\"",
desc5dn_get_code(p_desc_n),
psz_provider_name,
psz_service_name
);
}
free(psz_provider_name);
free(psz_service_name);
}
}
#ifdef __cplusplus
}
#endif
#endif
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