/usr/include/bitstream/dvb/sub.h is in libbitstream-dev 1.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* sub.h: ETSI EN 300 743 Subtitling Systems
*****************************************************************************
* Copyright (C) 2014 VideoLAN
*
* 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 300 743 V1.5.1 (2014-01) (Subtitling Systems)
*/
#ifndef __BITSTREAM_DVB_SUB_H__
#define __BITSTREAM_DVB_SUB_H__
#include <stdint.h>
#ifdef __cplusplus
extern "C"
{
#endif
/*****************************************************************************
* PES data field
*****************************************************************************/
#define DVBSUB_HEADER_SIZE 2
#define DVBSUB_DATA_IDENTIFIER 0x20
/*****************************************************************************
* Subtitling segment
*****************************************************************************/
#define DVBSUBS_HEADER_SIZE 6
#define DVBSUBS_SYNC 0xf
#define DVBSUBS_PAGE_COMPOSITION 0x10
#define DVBSUBS_REGION_COMPOSITION 0x11
#define DVBSUBS_CLUT_DEFINITION 0x12
#define DVBSUBS_OBJECT_DATA 0x13
#define DVBSUBS_DISPLAY_DEFINITION 0x14
#define DVBSUBS_DISPARITY_SIGNALLING 0x15
#define DVBSUBS_END_OF_DISPLAY_SET 0x80
static inline uint8_t dvbsubs_get_type(const uint8_t *p_dvbsubs)
{
return p_dvbsubs[1];
}
static inline uint16_t dvbsubs_get_page(const uint8_t *p_dvbsubs)
{
return (p_dvbsubs[2] << 8) | p_dvbsubs[3];
}
static inline uint16_t dvbsubs_get_length(const uint8_t *p_dvbsubs)
{
return (p_dvbsubs[4] << 8) | p_dvbsubs[5];
}
#ifdef __cplusplus
}
#endif
#endif
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