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82 lines
2.8 KiB
82 lines
2.8 KiB
/*****************************************************************************
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* sub.h: ETSI EN 300 743 Subtitling Systems
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*****************************************************************************
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* Copyright (C) 2014 VideoLAN
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*
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* Authors: Christophe Massiot <massiot@via.ecp.fr>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject
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* to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*****************************************************************************/
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/*
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* Normative references:
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* - ETSI EN 300 743 V1.5.1 (2014-01) (Subtitling Systems)
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*/
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#ifndef __BITSTREAM_DVB_SUB_H__
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#define __BITSTREAM_DVB_SUB_H__
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/*****************************************************************************
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* PES data field
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*****************************************************************************/
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#define DVBSUB_HEADER_SIZE 2
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#define DVBSUB_DATA_IDENTIFIER 0x20
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/*****************************************************************************
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* Subtitling segment
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*****************************************************************************/
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#define DVBSUBS_HEADER_SIZE 6
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#define DVBSUBS_SYNC 0xf
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#define DVBSUBS_PAGE_COMPOSITION 0x10
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#define DVBSUBS_REGION_COMPOSITION 0x11
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#define DVBSUBS_CLUT_DEFINITION 0x12
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#define DVBSUBS_OBJECT_DATA 0x13
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#define DVBSUBS_DISPLAY_DEFINITION 0x14
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#define DVBSUBS_DISPARITY_SIGNALLING 0x15
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#define DVBSUBS_END_OF_DISPLAY_SET 0x80
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static inline uint8_t dvbsubs_get_type(const uint8_t *p_dvbsubs)
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{
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return p_dvbsubs[1];
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}
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static inline uint16_t dvbsubs_get_page(const uint8_t *p_dvbsubs)
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{
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return (p_dvbsubs[2] << 8) | p_dvbsubs[3];
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}
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static inline uint16_t dvbsubs_get_length(const uint8_t *p_dvbsubs)
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{
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return (p_dvbsubs[4] << 8) | p_dvbsubs[5];
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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