You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
104 lines
3.6 KiB
104 lines
3.6 KiB
/*****************************************************************************
|
|
* desc_4f.h: ETSI EN 300 468 Descriptor 0x4f: (Time shifted event 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_4F_H__
|
|
#define __BITSTREAM_DVB_DESC_4F_H__
|
|
|
|
#include <bitstream/common.h>
|
|
#include <bitstream/mpeg/psi/descriptors.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif
|
|
|
|
/*****************************************************************************
|
|
* Descriptor 0x4f: Time shifted event descriptor
|
|
*****************************************************************************/
|
|
#define DESC4F_HEADER_SIZE (DESC_HEADER_SIZE + 4)
|
|
|
|
static inline void desc4f_init(uint8_t *p_desc)
|
|
{
|
|
desc_set_tag(p_desc, 0x4f);
|
|
desc_set_length(p_desc, DESC4F_HEADER_SIZE - DESC_HEADER_SIZE);
|
|
}
|
|
|
|
static inline uint16_t desc4f_get_reference_sid(const uint8_t *p_desc)
|
|
{
|
|
return (p_desc[2] << 8) | p_desc[3];
|
|
}
|
|
|
|
static inline void desc4f_set_reference_sid(uint8_t *p_desc, uint16_t i_reference_sid)
|
|
{
|
|
p_desc[2] = (i_reference_sid >> 8) & 0xff;
|
|
p_desc[3] = i_reference_sid & 0xff;
|
|
}
|
|
|
|
static inline uint16_t desc4f_get_reference_event_id(const uint8_t *p_desc)
|
|
{
|
|
return (p_desc[4] << 8) | p_desc[5];
|
|
}
|
|
|
|
static inline void desc4f_set_reference_event_id(uint8_t *p_desc, uint16_t i_reference_event_id)
|
|
{
|
|
p_desc[4] = (i_reference_event_id >> 8) & 0xff;
|
|
p_desc[5] = i_reference_event_id & 0xff;
|
|
}
|
|
|
|
static inline bool desc4f_validate(const uint8_t *p_desc)
|
|
{
|
|
return desc_get_length(p_desc) >= DESC4F_HEADER_SIZE - DESC_HEADER_SIZE;
|
|
}
|
|
|
|
static inline void desc4f_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, "<TIME_SHIFTED_EVENT_DESC reference_sid=\"%u\" reference_event_id=\"%u\"/>",
|
|
desc4f_get_reference_sid(p_desc),
|
|
desc4f_get_reference_event_id(p_desc)
|
|
);
|
|
break;
|
|
default:
|
|
pf_print(opaque, " - desc 4f time_shifted_service reference_sid=%u reference_event_id=%u",
|
|
desc4f_get_reference_sid(p_desc),
|
|
desc4f_get_reference_event_id(p_desc)
|
|
);
|
|
}
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|