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/*****************************************************************************
* desc_67.h: ETSI EN 300 468 Descriptor 0x67: Transport stream 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_67_H__
#define __BITSTREAM_DVB_DESC_67_H__
#include <bitstream/common.h>
#include <bitstream/mpeg/psi/descriptors.h>
#ifdef __cplusplus
extern "C"
{
#endif
/*****************************************************************************
* Descriptor 0x67: Transport stream descriptor
*****************************************************************************/
#define DESC67_HEADER_SIZE DESC_HEADER_SIZE
static inline void desc67_init(uint8_t *p_desc)
{
desc_set_tag(p_desc, 0x67);
desc_set_length(p_desc, 0);
}
static inline uint8_t desc67_get_bytes_length(const uint8_t *p_desc)
{
return desc_get_length(p_desc);
}
static inline const uint8_t *desc67_get_bytes(const uint8_t *p_desc, uint8_t *pi_length)
{
*pi_length = desc67_get_bytes_length(p_desc);
return p_desc + 2;
}
static inline void desc67_set_bytes(uint8_t *p_desc, const uint8_t *p_bytes, uint8_t i_length)
{
desc_set_length(p_desc, i_length);
memcpy(p_desc + 2, p_bytes, i_length);
}
static inline bool desc67_validate(const uint8_t *p_desc)
{
(void) p_desc;
return true;
}
static inline void desc67_print(const uint8_t *p_desc, f_print pf_print,
void *opaque, print_type_t i_print_type)
{
uint8_t i_bytes_length, i;
bool b_dsng_desc = desc_get_tag(p_desc) == 0x68;
const uint8_t *p_bytes = desc67_get_bytes(p_desc, &i_bytes_length);
char psz_bytes[2 * 255 + 1];
char psz_bytes_txt[255 + 1];
for (i = 0; i < i_bytes_length; i++) {
sprintf(psz_bytes + 2 * i, "%02x", p_bytes[i]);
if (p_bytes[i] >= 32 && p_bytes[i] <= 127 && p_bytes[i] != '"')
psz_bytes_txt[i] = p_bytes[i];
else
psz_bytes_txt[i] = '.';
}
psz_bytes[2 * i] = '\0';
psz_bytes_txt[i] = '\0';
switch (i_print_type) {
case PRINT_XML:
pf_print(opaque,
!b_dsng_desc
? "<TRANSPORT_STREAM_DESC bytes=\"%s\"/>"
: "<DSNG_DESC bytes=\"%s\"/>",
psz_bytes
);
break;
default:
pf_print(opaque,
!b_dsng_desc
? " - desc 67 transport_stream bytes=\"%s\" bytes_txt=\"%s\""
: " - desc 68 dsng bytes=\"%s\" bytes_txt=\"%s\"",
psz_bytes,
psz_bytes_txt
);
}
}
#ifdef __cplusplus
}
#endif
#endif
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