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Diffstat (limited to 'lib/libucsi/dvb/dsng_descriptor.h')
-rw-r--r-- | lib/libucsi/dvb/dsng_descriptor.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/lib/libucsi/dvb/dsng_descriptor.h b/lib/libucsi/dvb/dsng_descriptor.h new file mode 100644 index 0000000..6fd369b --- /dev/null +++ b/lib/libucsi/dvb/dsng_descriptor.h @@ -0,0 +1,80 @@ +/* + * section and descriptor parser + * + * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org) + * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net) + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA + */ + +#ifndef _UCSI_DVB_DSNG_DESCRIPTOR +#define _UCSI_DVB_DSNG_DESCRIPTOR 1 + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include <libucsi/descriptor.h> +#include <libucsi/endianops.h> + +/** + * dvb_dsng_descriptor structure. + */ +struct dvb_dsng_descriptor { + struct descriptor d; + + /* uint8_t data[] */ +} __ucsi_packed; + +/** + * Process a dvb_dsng_descriptor. + * + * @param d Generic descriptor structure. + * @return Pointer to a dvb_dsng_descriptor, or NULL on error. + */ +static inline struct dvb_dsng_descriptor* + dvb_dsng_descriptor_codec(struct descriptor* d) +{ + return (struct dvb_dsng_descriptor*) d; +} + +/** + * Accessor for the data field in a dvb_dsng_descriptor. + * + * @param d dvb_dsng_descriptor pointer. + * @return Pointer to the field. + */ +static inline uint8_t *dvb_dsng_descriptor_data(struct dvb_dsng_descriptor *d) +{ + return (uint8_t *) d + sizeof(struct dvb_dsng_descriptor); +} + +/** + * Determine the length of the data field in a dvb_dsng_descriptor. + * + * @param d dvb_dsng_descriptor pointer. + * @return Length of the field in bytes. + */ +static inline int dvb_dsng_descriptor_data_length(struct dvb_dsng_descriptor *d) +{ + return d->d.len; +} + +#ifdef __cplusplus +} +#endif + +#endif |