/usr/include/bitstream/dvb/vbi.h is in libbitstream-dev 1.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* vbi.h: ETSI EN 301 775 Carriage of VBI in DVB
*****************************************************************************
* Copyright (C) 2016 OpenHeadend
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
*
* 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 300 775 V1.2.1 (2003-05) (carriage of VBI in DVB)
*/
#ifndef __BITSTREAM_DVB_VBI_H__
#define __BITSTREAM_DVB_VBI_H__
#include <stdint.h>
#include <stdbool.h>
#ifdef __cplusplus
extern "C"
{
#endif
/*****************************************************************************
* PES data field
*****************************************************************************/
#define DVBVBI_HEADER_SIZE 1
#define DVBVBI_UNIT_HEADER_SIZE 2
#define DVBVBI_DATA_IDENTIFIER 0x10
#define DVBVBI_ID_TTX_NONSUB 0x02
#define DVBVBI_ID_TTX_SUB 0x03
#define DVBVBI_ID_TTX_INVERTED 0xc0
#define DVBVBI_ID_VPS 0xc3
#define DVBVBI_ID_WSS 0xc4
#define DVBVBI_ID_CEA608 0xc5
#define DVBVBI_ID_RAWVBI 0xc6
#define DVBVBI_ID_STUFFING 0xff
#define DVBVBI_LENGTH 0x2c
/*****************************************************************************
* Teletext data field
*****************************************************************************/
#define DVBVBITTX_FRAMING_CODE 0xe4
static inline void dvbvbittx_set_field(uint8_t *p, bool field)
{
p[0] |= 0xc0;
if (field)
p[0] |= 0x20;
else
p[0] &= ~0x20;
}
static inline bool dvbvbittx_get_field(const uint8_t *p)
{
return p[0] & 0x20;
}
static inline void dvbvbittx_set_line(uint8_t *p, uint8_t line)
{
p[0] &= ~0x1f;
p[0] |= 0xc0 | (line & 0x1f);
}
static inline uint8_t dvbvbittx_get_line(const uint8_t *p)
{
return p[0] & 0x1f;
}
#ifdef __cplusplus
}
#endif
#endif
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