Commit 04ed0fcd authored by Georgi Chorbadzhiyski's avatar Georgi Chorbadzhiyski

mpeg/psi: Add support for descriptor 0x0f (Private data indicator).

parent 3fb51658
/*****************************************************************************
* desc_0f.h: ISO/IEC 13818-1 Descriptor 0x0f (Private data indicator)
*****************************************************************************
* 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:
* - ISO/IEC 13818-1:2007(E) (MPEG-2 Systems)
*/
#ifndef __BITSTREAM_MPEG_DESC_0F_H__
#define __BITSTREAM_MPEG_DESC_0F_H__
#include <bitstream/common.h>
#include <bitstream/mpeg/psi/descriptors.h>
#ifdef __cplusplus
extern "C"
{
#endif
/*****************************************************************************
* Descriptor 0x0f: Private data indicator descriptor
*****************************************************************************/
#define DESC0F_HEADER_SIZE (DESC_HEADER_SIZE + 4)
static inline void desc0f_init(uint8_t *p_desc)
{
desc_set_tag(p_desc, 0x0F);
desc_set_length(p_desc, DESC0F_HEADER_SIZE - DESC_HEADER_SIZE);
}
static inline uint32_t desc0f_get_private_indicator(const uint8_t *p_desc)
{
return (p_desc[2] << 24) | (p_desc[3] << 16) | (p_desc[4] << 8) | p_desc[5];
}
static inline void desc0f_set_private_indicator(uint8_t *p_desc, uint32_t i_private_indicator)
{
p_desc[2] = (i_private_indicator >> 24) & 0xff;
p_desc[3] = (i_private_indicator >> 16) & 0xff;
p_desc[4] = (i_private_indicator >> 8) & 0xff;
p_desc[5] = i_private_indicator & 0xff;;
}
static inline bool desc0f_validate(const uint8_t *p_desc)
{
return desc_get_length(p_desc) >= DESC0F_HEADER_SIZE - DESC_HEADER_SIZE;
}
static inline void desc0f_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, "<PRIVATE_DATA_INDICATOR_DESC private_indicator=\"0x%08x\"/>",
desc0f_get_private_indicator(p_desc));
break;
default:
pf_print(opaque, " - desc 0f private_data_indicator private_indicator=0x%08x",
desc0f_get_private_indicator(p_desc));
}
}
#ifdef __cplusplus
}
#endif
#endif
......@@ -47,5 +47,6 @@
#include <bitstream/mpeg/psi/desc_0c.h>
#include <bitstream/mpeg/psi/desc_0d.h>
#include <bitstream/mpeg/psi/desc_0e.h>
#include <bitstream/mpeg/psi/desc_0f.h>
#endif
......@@ -113,6 +113,7 @@ static inline void descl_print(uint8_t *p_descl, uint16_t i_length,
CASE_DESC(0c)
CASE_DESC(0d)
CASE_DESC(0e)
CASE_DESC(0f)
CASE_DESC_ICONV(40)
CASE_DESC(41)
CASE_DESC(43)
......
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