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81 lines
2.0 KiB
81 lines
2.0 KiB
/*
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* section and descriptor parser
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*
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* Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
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* Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef _UCSI_DVB_DSNG_DESCRIPTOR
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#define _UCSI_DVB_DSNG_DESCRIPTOR 1
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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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#include <libucsi/descriptor.h>
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#include <libucsi/endianops.h>
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/**
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* dvb_dsng_descriptor structure.
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*/
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struct dvb_dsng_descriptor {
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struct descriptor d;
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/* uint8_t data[] */
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} __ucsi_packed;
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/**
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* Process a dvb_dsng_descriptor.
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*
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* @param d Generic descriptor structure.
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* @return Pointer to a dvb_dsng_descriptor, or NULL on error.
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*/
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static inline struct dvb_dsng_descriptor*
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dvb_dsng_descriptor_codec(struct descriptor* d)
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{
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return (struct dvb_dsng_descriptor*) d;
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}
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/**
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* Accessor for the data field in a dvb_dsng_descriptor.
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*
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* @param d dvb_dsng_descriptor pointer.
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* @return Pointer to the field.
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*/
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static inline uint8_t *dvb_dsng_descriptor_data(struct dvb_dsng_descriptor *d)
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{
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return (uint8_t *) d + sizeof(struct dvb_dsng_descriptor);
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}
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/**
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* Determine the length of the data field in a dvb_dsng_descriptor.
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*
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* @param d dvb_dsng_descriptor pointer.
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* @return Length of the field in bytes.
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*/
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static inline int dvb_dsng_descriptor_data_length(struct dvb_dsng_descriptor *d)
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{
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return d->d.len;
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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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