Commit a4d5b910 authored by Georgi Chorbadzhiyski's avatar Georgi Chorbadzhiyski

dvb/si: Add support for descriptor 0x52 (Stream identifier).

parent 1ce81e11
/*****************************************************************************
* desc_52.h: ETSI EN 300 468 Descriptor 0x52: Stream identifier 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_52_H__
#define __BITSTREAM_DVB_DESC_52_H__
#include <bitstream/common.h>
#include <bitstream/mpeg/psi/descriptors.h>
#ifdef __cplusplus
extern "C"
{
#endif
/*****************************************************************************
* Descriptor 0x52: Stream identifier descriptor
*****************************************************************************/
#define DESC52_HEADER_SIZE (DESC_HEADER_SIZE + 1)
static inline void desc52_init(uint8_t *p_desc)
{
desc_set_tag(p_desc, 0x52);
desc_set_length(p_desc, DESC52_HEADER_SIZE - DESC_HEADER_SIZE);
}
static inline void desc52_set_component_tag(uint8_t *p_desc, uint8_t component_tag)
{
p_desc[2] = component_tag;
}
static inline uint8_t desc52_get_component_tag(const uint8_t *p_desc)
{
return p_desc[2];
}
static inline bool desc52_validate(const uint8_t *p_desc)
{
return desc_get_length(p_desc) >= DESC52_HEADER_SIZE - DESC_HEADER_SIZE;
}
static inline void desc52_print(const uint8_t *p_desc, f_print pf_print,
void *opaque, print_type_t i_print_type)
{
switch (i_print_type) {
case PRINT_XML:
pf_print(opaque, "<STREAM_IDENTIFIER_DESC component_tag=\"%u\"/>",
desc52_get_component_tag(p_desc));
break;
default:
pf_print(opaque, " - desc 52 stream_identifier component_tag=%u",
desc52_get_component_tag(p_desc));
}
}
#ifdef __cplusplus
}
#endif
#endif
......@@ -44,6 +44,7 @@
#include <bitstream/dvb/si/desc_4a.h>
#include <bitstream/dvb/si/desc_4d.h>
#include <bitstream/dvb/si/desc_4e.h>
#include <bitstream/dvb/si/desc_52.h>
#include <bitstream/dvb/si/desc_56.h>
#include <bitstream/dvb/si/desc_59.h>
#include <bitstream/dvb/si/desc_5a.h>
......
......@@ -127,6 +127,7 @@ static inline void descl_print(uint8_t *p_descl, uint16_t i_length,
CASE_DESC(4a)
CASE_DESC_ICONV(4d)
CASE_DESC_ICONV(4e)
CASE_DESC(52)
CASE_DESC(56)
CASE_DESC(59)
CASE_DESC(5a)
......
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